CN114307467A

CN114307467A - Annular time-varying dry fog dust suppression device

Info

Publication number: CN114307467A
Application number: CN202210005069.8A
Authority: CN
Inventors: 郑木生; 魏志军
Original assignee: Maanshan Fangzheng Machinery Manufacturing Co ltd
Current assignee: Maanshan Fangzheng Machinery Manufacturing Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-04-12
Anticipated expiration: 2042-01-05
Also published as: CN114307467B

Abstract

The invention relates to the technical field of environmental protection and dust removal, and discloses an annular time-varying dry fog dust suppression device, wherein a manual speed reducer is fixedly arranged in the middle of the top surface of a machine head, output shafts at two ends of the manual speed reducer are respectively and symmetrically and fixedly connected with levers, an annular time-varying spraying device is fixedly connected between the levers and positioned at the bottom of the machine head, an ultrasonic dry fog nozzle is fixedly connected at the bottom of a universal joint nozzle seat, an air guide rod is fixedly connected in the middle of the top of the ultrasonic dry fog nozzle, a flow guide ring groove is formed in the bottom of an equalizing hole, the bottom of the flow guide ring groove is communicated with a nozzle opening, a fixed ring is fixedly arranged at the top of the bottom of the flow guide ring groove, a movable ring is movably sleeved at the bottom of the flow guide ring groove, a slide rod with one end extending to the bottom of the nozzle opening is movably sleeved in the slide groove, a baffle head is movably connected at the bottom of the slide rod, and the internal structure of the ultrasonic dry fog nozzle is adjusted through the arrangement of the annular time-varying spraying device, the effect and the quality of spraying dust suppression are increased, and the energy consumption is saved.

Description

Annular time-varying dry fog dust suppression device

Technical Field

The invention relates to the technical field of environmental protection dust removal, in particular to an annular time-varying dry fog dust suppression device.

Background

Windrow belt feeder aircraft nose is located high altitude position, and the drop is big, and the blanking raise dust is also big, consequently all uses dry fog dust suppression device to restrain the blanking raise dust that lasts, and conventional dry fog dust suppression device is unsettled at the eminence and adopts unilateral, bilateral or trilateral dry fog nozzle arrangement mode to spray, handles the dust of falling material edge raise, though this kind of dust suppression device uses very extensively, but it still has certain problem:

1. the machine head is narrow and suspended in the air, so that when a single-side, double-side or three-side dry fog nozzle arrangement mode is adopted, uneven spraying can exist, the sprayed dry fog is on a limited side, and then all flying dust around the blanking can not be treated, the flying dust in a local area can not be fully contacted with the dry fog to carry out assistant treatment, meanwhile, the nozzle is difficult to replace, the operation of workers is inconvenient, the spraying direction and the spraying amount of the nozzle can not be changed randomly, and the adaptability is poor;

2. the existing ultrasonic dry fog nozzle generally adopts a mode of water inlet at the middle air inlet side, and then dry fog spraying is formed by mixing in the nozzle, wherein when air and water are mixed, water flow is guided into the nozzle from the side by a through hole and is mixed with air at the middle part, so that the mixing uniformity is poor under the condition of high pressure, and mixed water and air are close to the edge part of a water outlet hole due to the limitation of the water outlet hole, so that the scattering effect is poor when the mixed water and air impact on a blocking head, the mixed water and air are not beneficial to fully contacting with raised dust, meanwhile, the spraying effect at the nozzle is different when the pressure of the water and air is changed, the size of particles sprayed out due to the fixed position of the blocking head is not in accordance with the dry fog standard, the dust suppression is also not beneficial, and the spraying effect of the ultrasonic dry fog nozzle can be reduced, and the dust suppression effect is further reduced.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the annular time-varying dry fog dust suppression device, which has the advantages of good fog dust suppression effect, energy consumption saving and convenience in adjustment, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides an annular time-varying dry fog dust suppression device, includes the aircraft nose, one side fixed mounting at aircraft nose top has the switch board, the opposite side fixed mounting at aircraft nose top has the stand, the top fixed mounting of stand has the spraying module, the middle part fixed mounting of aircraft nose top surface has manual speed reducer, the output shaft difference symmetry fixedly connected with lever at manual speed reducer both ends, lie in aircraft nose bottom fixedly connected with annular time-varying atomizer of department between the lever, annular time-varying atomizer's bottom is the even fixed mounting of ring has universal joint nozzle seat, the bottom fixedly connected with ultrasonic wave dry fog nozzle of universal joint nozzle seat.

Preferably, the top of the ultrasonic dry fog nozzle is provided with an annular water inlet, the outer ring of the top of the ultrasonic dry fog nozzle is movably sleeved with a sealing ring, the middle part of the ultrasonic dry fog nozzle is provided with a through nozzle opening, the middle part of the top of the ultrasonic dry fog nozzle is fixedly connected with an air guide rod, the middle part of the air guide rod is provided with an air inlet communicated with the nozzle opening, the bottom of the water inlet is annularly and uniformly provided with flow equalizing holes, a flow guide ring groove is arranged at the bottom of the flow equalizing hole, the bottom of the flow guide ring groove is communicated with the nozzle opening, a fixing ring is fixedly arranged at the top of the bottom end of the flow guide ring groove, the bottom of the bottom end of the diversion ring groove is movably sleeved with a movable ring, sliding grooves are arranged on two sides of the outer ring at the bottom of the ultrasonic dry fog nozzle, the inside activity of spout is cup jointed the slide bar that one end stretches nozzle mouth bottom department, the bottom swing joint of slide bar has the dog.

Preferably, the inside activity ring bottom position that is located of ultrasonic wave dry fog nozzle has seted up the hydraulic pressure hole, the top activity in hydraulic pressure hole has cup jointed top and activity ring swing joint's slider, fixedly connected with reset spring between the bottom of slider and the hydraulic pressure hole diapire, the regulation chamber has been seted up to the outside position in hydraulic pressure hole, the outside activity in regulation chamber has cup jointed the voussoir, the top activity in regulation chamber has cup jointed the piston, the flexible groove has been seted up at the top in regulation chamber, the inside activity in flexible groove has cup jointed bottom and piston swing joint's gear, the outer lane fixed mounting of activity ring has with gear engagement's rack key, the top fixedly connected with impeller of gear.

Preferably, the top side edge of the sliding block is an inclined plane with the same slope as the side edge of the wedge block, and the impeller just extends out of the telescopic groove completely and enters the inner part of the flow guide ring groove when the sliding block jacks the wedge block inwards to the maximum position.

Preferably, the same and relative one side of solid fixed ring and activity ring shape is the taper, gu the inside equal fixed mounting of solid fixed ring and activity ring has annular magnet.

The invention has the following beneficial effects:

1. the ultrasonic dry fog nozzles and the manual speed reducer are uniformly distributed along the circumference by the annular time-varying spraying device, the center of the annular time-varying spraying device is basically superposed with the center of a material flow, compared with the prior art, a fog hole is formed during the annular spraying operation, the falling dust is completely sealed, the falling dust cannot escape, the falling dust is fully polymerized, condensed and settled with cloud and mist, the cloud and mist downwards fly along the conical surface of a material pile and is further adsorbed and combined with the sliding flying dust on the surface of the material pile, so that the falling dust is effectively inhibited, the falling dust is gradually reduced along with the gradual increase of the material pile, the flying dust is gradually reduced, the annular time-varying spraying device body can be rotated to a required position by the manual speed reducer, the nozzles are convenient and quick to replace and maintain, the control system senses the height change of the material pile through the material level meter, controls the opening degree of the water-gas electromagnetic valve to correspondingly reduce the spraying amount randomly, the energy consumption of the system is saved, the running cost of the dry fog dust suppression system is reduced, and meanwhile, the arrangement of the universal adjusting structure can also increase the spraying range of the nozzle, so that the full dust suppression is facilitated.

2. Compared with the prior art, the ultrasonic dry fog nozzle has the advantages that the fixed ring and the movable ring are arranged in the ultrasonic dry fog nozzle to control water outlet, and the slide block in the ultrasonic dry fog nozzle is used for adjusting and changing, the guide ring groove is annularly arranged and communicated with the nozzle opening, the uniformity of water outlet is ensured, meanwhile, the fixed ring and the movable ring are utilized to adjust the water pressure to adapt to the change, when the sliding block is pressed down by the movable ring, the sliding block can drive the wedge block and the sliding rod to be regulated under the hydraulic action, the sliding of the wedge block can drive the impeller to extend into the flow guide ring groove to rotate so as to drive the synchronous rotation of the movable ring to form a rotating force to the water flow, so that the water flow is more fully mixed with the air, meanwhile, the position change of the stop head can be adjusted by the movement of the sliding rod to adapt to the impact force under the condition of mixing different water and air pressures, therefore, the dispersed dry fog is more uniform and meets the requirement of dust suppression, and the spraying effect is improved to achieve a better dust suppression effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an overall elevational view of the structure of the present invention;

FIG. 3 is an overall top view of the structure of the present invention;

FIG. 4 is a schematic diagram of the annular time varying spray device of the present invention;

FIG. 5 is a schematic view of the structure of the ultrasonic dry mist nozzle of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;

fig. 8 is an enlarged view of fig. 5 at C.

In the figure: 1. a machine head; 2. a control cabinet; 3. a column; 4. a spray module; 5. a manual speed reducer; 6. a lever; 7. an annular time varying spray device; 8. a universal joint nozzle base; 9. an ultrasonic dry mist nozzle; 901. a water inlet; 902. a flow equalizing hole; 903. a nozzle opening; 904. a flow guide ring groove; 905. a chute; 906. a hydraulic bore; 907. an adjustment chamber; 908. a telescopic groove; 10. an air guide rod; 1001. an air inlet; 11. a seal ring; 12. a slide bar; 13. a stopper; 14. a fixing ring; 15. a movable ring; 1501. a toothed key; 16. a slider; 17. a return spring; 18. a piston; 19. a gear; 20. an impeller; 21. a magnet; 22. and (4) wedge blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-4, an annular time-varying dry fog dust suppression device comprises a machine head 1, a control cabinet 2 is fixedly installed on one side of the top of the machine head 1, an upright post 3 is fixedly installed on the other side of the top of the machine head 1, a spraying module 4 is fixedly installed on the top of the upright post 3, a manual speed reducer 5 is fixedly installed in the middle of the top surface of the machine head 1, levers 6 are symmetrically and fixedly connected to output shafts at two ends of the manual speed reducer 5 respectively, an annular time-varying spraying device 7 is fixedly connected to the bottom of the machine head 1 between the levers 6, an air inlet pipe and a water inlet pipe are connected inside the annular time-varying spraying device 7, the air inlet pipe and the water inlet pipe are communicated to an ultrasonic dry fog nozzle 9 at the bottom, universal joint nozzle seats 8 are uniformly and fixedly installed at the bottom of the annular time-varying spraying device 7 in an annular mode, the ultrasonic dry fog nozzle 9 is fixedly connected to the bottom of the universal joint nozzle seats 8, referring to the attached drawings 5-8, the top of the ultrasonic dry fog nozzle 9 is provided with an annular water inlet 901, the outer ring at the top of the ultrasonic dry fog nozzle 9 is movably sleeved with a sealing ring 11, the middle part of the ultrasonic dry fog nozzle 9 is provided with a penetrating nozzle opening 903, the middle part of the top of the ultrasonic dry fog nozzle 9 is fixedly connected with an air guide rod 10, the middle part of the air guide rod 10 is provided with an air inlet 1001 communicated with the nozzle opening 903, the bottom of the water inlet 901 is annularly and uniformly provided with a flow equalizing hole 902, the bottom of the flow equalizing hole 902 is provided with a flow guide ring groove 904, the bottom of the flow guide ring groove 904 is communicated with the nozzle opening 903, the opening area at the communication part of the flow guide ring groove 904 and the nozzle opening 903 is smaller than the sum of the total opening areas of the flow equalizing hole 902, so that the water entering the flow equalizing hole 902 from the water inlet 901 is completely enough to enter the nozzle opening 903 for mixing, the top at the bottom of the flow guide ring groove 904 is fixedly provided with a fixing ring 14, the bottom of the flow guide ring groove 904 is movably sleeved with a movable ring 15, the fixed ring 14 and the movable ring 15 are in the same shape, the opposite side is in a conical shape, when the movable ring 15 is under the action of water pressure, water flow enters the nozzle opening 903 through a gap between the fixed ring 14 and the movable ring 15 and is mixed with air and sprayed out, annular magnets 21 are fixedly arranged inside the fixed ring 14 and the movable ring 15, small particle impurities can be adsorbed to the fixed ring 14 and the movable ring 15 by the magnets 21 and then are taken away by the water flow, so that the problem of blockage caused by accumulation of more impurities in the ultrasonic dry fog nozzle 9 can be avoided, sliding grooves 905 are formed in two sides of the outer ring at the bottom of the ultrasonic dry fog nozzle 9, a sliding rod 12 with one end extending to the bottom of the nozzle opening 903 is movably sleeved in each sliding groove 905, a blocking head 13 is movably connected to the bottom of the sliding rod 12, and a hydraulic hole 906 is formed in the ultrasonic dry fog nozzle 9 at the bottom of the movable ring 15, the bottom side edge of the hydraulic hole 906 is sleeved with the upper end position of the sliding rod 12 through a hydraulic cavity, so that the movement of the sliding rod 12 can be adjusted through hydraulic pressure when the sliding block 16 is pressed downwards by hydraulic pressure, and further the position of the baffle head 13 is adjusted, so that the effect of water-air mixed impact can be kept under different pressures, the quality of dry fog is maintained, the top end of the hydraulic hole 906 is movably sleeved with the sliding block 16 the top of which is movably connected with the movable ring 15, a return spring 17 is fixedly connected between the bottom of the sliding block 16 and the bottom wall of the hydraulic hole 906, the outer side position of the hydraulic hole 906 is provided with an adjusting cavity 907, the outer side of the adjusting cavity 907 is movably sleeved with a wedge block 22, the top of the adjusting cavity 907 is movably sleeved with a piston 18, the top of the adjusting cavity 907 is provided with a telescopic groove 908, the inner part of the telescopic groove is movably sleeved with a gear 19 the bottom of which is movably connected with the piston 18, the outer ring of the movable ring 15 is fixedly provided with a toothed key 1501 meshed with the gear 19, the top of the gear 19 is fixedly connected with an impeller 20, the top side edge of the sliding block 16 is an inclined plane with the same slope as the side edge of the wedge 22, when the sliding block 16 pushes the wedge 22 inwards to the maximum position, the impeller 20 just extends out of the telescopic groove 908 to enter the inside of the flow guide ring groove 904, when the movable ring 15 is pressed downwards under the action of hydraulic pressure, the sliding block 16 is driven to synchronously slide downwards and extrude the wedge 22 to the inside of the adjusting cavity 907, the wedge 22 extrudes hydraulic oil inwards and lifts the piston 18 upwards so that the impeller 20 extends into the flow guide ring groove 904, the impeller 20 can rotate under the drive of water flow, the movable ring 15 can be driven to rotate by the transmission of the gear 19, thus the movable ring 15 can rotate under the downward pressing, the water flow coming out through the fixed ring 14 and the movable ring 15 is guaranteed to be driven to have certain rotating force, and small particle impurities adsorbed on the fixed ring 14 and the movable ring 15 can be washed away by the rotating force, on the other hand can make rivers mix with the air with certain impact force, make the homogeneity of mixing better, avoided rivers to accumulate more in nozzle opening 903 periphery, annular time-varying atomizer 7's center department is basic and the coincidence of material stream center, guaranteed that the material of whereabouts produces raise dust and just in time combine to reach the effect of suppressing dirt with the dry fog that the blowout comes all around, detect the height of bottom windrow through control system simultaneously, and adjust the aperture of aqueous vapor solenoid valve according to the height, adjust the spray volume and can practice thrift the energy consumption, more accord with sustainable development's concept.

The working principle is that when falling materials fall to the bottom through the center of the annular time-varying spraying device 7, dust is formed around the falling materials, the spraying device is started, water and air are respectively conveyed into the water inlet 901 and the air inlet 1001 through the water inlet pipe and the air inlet pipe inside the annular time-varying spraying device 7, the water in the water inlet 901 enters the flow equalizing hole 902 under the action of pressure and then enters the flow guide ring groove 904, the movable ring 15 is pressed downwards under the action of water pressure, meanwhile, the sliding block 16 is driven to be pressed downwards, the wedge block 22 is extruded into the adjusting cavity 907 in the process that the sliding block 16 is pressed downwards, the gear 19 pushes the gear 19 upwards through the piston 18, the gear 19 drives the impeller 20 to extend into the flow guide ring groove 904 from the telescopic groove 908 and to be driven to rotate by the water flow, the rotation of the impeller 20 is transmitted to the gear 19 to drive the gear 19 to rotate together, so that the movable ring 15 is driven to rotate synchronously by meshing transmission, therefore, water flow going out from the space between the fixed ring 14 and the movable ring 15 is fully mixed with air in an annular shape, then is sprayed out from the nozzle opening 903 at the bottom and impacts the baffle 13 to form scattered dry fog and raised dust combined dust fall, the slide rod 12 is driven to slide along the sliding groove 905 through hydraulic pressure in the downward sliding process of the slide block 16, and the baffle 13 is driven to move, so that the distance between the baffle 13 and the nozzle opening 903 is reduced, the impact of water-air mixing is more sufficient, and the scattering effect is better;

will be detected by control system when piling up of material more and more high, and then reduce the entering volume of aqueous vapor through the solenoid valve, and then reduce annular time-varying atomizer 7's spraying volume and practice thrift the energy consumption, when needs adjust the nozzle or change the nozzle simultaneously, can rotate lever 6 to one side convenient and direct and adjust change operation, convenient and fast through rotating manual speed reducer 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a become dry fog dust suppression device during annular, includes aircraft nose (1), its characterized in that: one side fixed mounting at aircraft nose (1) top has switch board (2), the opposite side fixed mounting at aircraft nose (1) top has stand (3), the top fixed mounting of stand (3) has spraying module (4), the middle part fixed mounting of aircraft nose (1) top surface has manual speed reducer (5), the output shaft difference symmetry fixedly connected with lever (6) at manual speed reducer (5) both ends, lie in aircraft nose (1) bottom fixedly connected with annular time-varying atomizer (7) of department between lever (6), the bottom of annular time-varying atomizer (7) is the even fixed mounting of ring has universal joint nozzle seat (8), the bottom fixedly connected with ultrasonic wave dry fog nozzle (9) of universal joint nozzle seat (8).

2. The annular time-varying dry mist dust suppression device as claimed in claim 1, wherein: the top of the ultrasonic dry fog nozzle (9) is provided with an annular water inlet (901), the top outer ring of the ultrasonic dry fog nozzle (9) is movably sleeved with a sealing ring (11), the middle of the ultrasonic dry fog nozzle (9) is provided with a penetrating nozzle opening (903), the middle of the top of the ultrasonic dry fog nozzle (9) is fixedly connected with an air guide rod (10), the middle of the air guide rod (10) is provided with an air inlet hole (1001) communicated with the nozzle opening (903), the bottom of the water inlet (901) is annularly and uniformly provided with a uniform flow hole (902), the bottom of the uniform flow hole (902) is provided with a flow guide ring groove (904), the bottom of the flow guide ring groove (904) is communicated with the nozzle opening (903), the top of the bottom of the flow guide ring groove (904) is fixedly provided with a fixed ring (14), and the bottom of the flow guide ring groove (904) is movably sleeved with a movable ring (15), spout (905) have been seted up to the both sides of ultrasonic wave dry fog nozzle (9) bottom outer lane, spout (905) inside activity cup joints slide bar (12) that one end stretches nozzle mouth (903) bottom department, the bottom swing joint of slide bar (12) has keeping off head (13).

3. The annular time-varying dry mist dust suppression device as claimed in claim 2, wherein: the ultrasonic dry fog nozzle (9) is internally provided with a hydraulic hole (906) at the bottom of a movable ring (15), the top end of the hydraulic hole (906) is movably sleeved with a slide block (16) of which the top is movably connected with the movable ring (15), a return spring (17) is fixedly connected between the bottom of the slide block (16) and the bottom wall of the hydraulic hole (906), the outer side of the hydraulic hole (906) is provided with an adjusting cavity (907), the outer side of the adjusting cavity (907) is movably sleeved with a wedge block (22), the top of the adjusting cavity (907) is movably sleeved with a piston (18), the top of the adjusting cavity (907) is provided with a telescopic groove (908), the inner part of the telescopic groove (908) is movably sleeved with a gear (19) of which the bottom is movably connected with the piston (18), the outer ring of the movable ring (15) is fixedly provided with a toothed key (1501) meshed with the gear (19), the top of the gear (19) is fixedly connected with an impeller (20).

4. The annular time-varying dry mist dust suppression device as claimed in claim 3, wherein: the top side edge of the sliding block (16) is an inclined surface with the same slope as the side edge of the wedge block (22), and when the sliding block (16) jacks the wedge block (22) inwards to the maximum position, the impeller (20) just extends out of the telescopic groove (908) completely and enters the flow guide ring groove (904).

5. The annular time-varying dry mist dust suppression device as claimed in claim 2, wherein: the shape of the fixed ring (14) is the same as that of the movable ring (15), the opposite side of the fixed ring is in a conical shape, and annular magnets (21) are fixedly mounted inside the fixed ring (14) and the movable ring (15).