Cement kiln head and tail dust collection device
Technical Field
The utility model relates to the field of cement processing, in particular to a cement kiln head and tail dust collecting device.
Background
The cement processing process mainly comprises four main steps of raw material preparation, clinker calcination and cement grinding, wherein the clinker calcination is to send raw material into a cement kiln, the raw material is subjected to chemical reaction at high temperature to form cement clinker with certain mineral composition, the clinker is taken out from the kiln after being cooled, the cement kiln mainly comprises a rotary kiln, a vertical kiln and the like, in the production process, kiln heads and kiln tails are main parts for generating dust, and the dust contains various harmful substances, and if the dust is directly discharged into the atmosphere, the environment is seriously polluted, so that the health of people is influenced, and therefore, according to the national environmental protection regulations, cement enterprises have to collect and treat the dust to reduce the pollution to the environment.
Through retrieving chinese patent publication No. CN215352728U, a device for collecting rotary kiln tail dust is disclosed, through setting up atomizer, the guide plate and collect the fill, when handling the purification to kiln tail dust, inside the dust gets into the atomizer, the dust can combine together with the inside liquid steam of atomizer, thereby realize the bonding effect between the dust, the gravity of the dust spheroid of bonding is greater than buoyancy, thereby automatically, collect in the inside of collecting the fill at last, the processing and the collecting effect to the dust of great granule have been improved, through setting up the carousel, L shape connecting rod, the connecting sleeve, the filter screen, fixed arch, remove arch, compression spring and reset spring, this structure can realize that the filter screen carries out the filtration effect on one side, carry out self-vibration effect on one side, can vibrate the effect of dropping to the dust on the filter screen, the work efficiency of device is improved, be convenient for collect the dust after filtering.
But the dust is atomized before filtration, so that the dust has certain humidity, can be firmly adhered to the filter screen during filtration, and is difficult to shake off by vibration.
Disclosure of utility model
The utility model aims to solve the problems and provide a cement kiln head and tail dust collecting device.
The utility model realizes the above purpose through the following technical scheme:
The utility model provides a cement kiln head kiln tail dust collection device, comprising a base plate, the top fixedly connected with atomizing case of bottom plate and rose box, the top fixedly connected with air exhauster of rose box, fixedly connected with communicating pipe between atomizing case and the rose box, be provided with atomizing mechanism in the atomizing case, be provided with filtering mechanism in the rose box, filtering mechanism includes the filter plate of fixed connection between the rose box inner wall, the below of filter plate is provided with cleans the mechanism, it includes the mounting bracket to clean the mechanism, rotate and be connected with the brush roller between the inner wall of mounting bracket, a plurality of brush hair with filter plate butt on the brush roller, the ventilation chamber has been seted up to the inner wall of brush roller, the ventilation hole with ventilation chamber intercommunication has been seted up to the one end of brush roller stretches out the mounting bracket and fixedly connected with gear, fixedly connected with rack between the inner wall of rose box, gear and rack meshing, it still includes air feed subassembly and moving assembly, moving assembly is used for driving the mounting bracket round trip movement.
Preferably, the air supply assembly comprises a blower fixedly connected to the outer wall of the filter box, the air outlet of the blower is connected with a corrugated pipe, the other end of the corrugated pipe is fixedly connected to the rear side of the mounting frame, and a communication cavity is formed in the wall of the mounting frame, so that the corrugated pipe is communicated with the ventilation cavity inside the brush roller.
Preferably, the moving assembly comprises a rotating motor fixedly connected to the outer wall of the filter box, the output end of the rotating motor is connected with a screw rod through a coupling, the screw rod is rotationally connected between the inner walls of the filter box, the screw rod is provided with a mounting block in a threaded connection manner, the mounting frame is fixedly connected to the top of the mounting block, and one end of the mounting frame is slidably connected to the inner walls of the filter box.
Preferably, the atomization mechanism comprises a water tank fixedly connected to the top of the atomization box, a connecting pipe is fixedly connected to the bottom of the water tank, a total flow pipe is fixedly connected to the bottom of the connecting pipe, and a plurality of atomization nozzles are fixedly connected to the bottom of the total flow pipe.
Preferably, the filter mechanism further comprises an activated carbon adsorption layer fixedly connected between the inner walls of the filter box, and the activated carbon adsorption layer is positioned above the filter plate.
Preferably, the inner bottom walls of the atomizing box and the filter box are both connected with the collecting box in a sliding manner, one side of the atomizing box is fixedly connected with an air inlet pipe, and the other end of the air inlet pipe is positioned at the kiln tail of the cement kiln head.
The cleaning mechanism has the beneficial effects that the cleaning mechanism comprises the brush roller, the brush roller is provided with the vent holes, the air supply assembly supplies air to the filter plate when the brush roller cleans the filter plate, and the dust adhered to the filter plate is dried by the air blown out by the vent holes, so that the cleaning effect is improved conveniently, and meanwhile, the dust is prevented from adhering to the brush roller.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a schematic view of a cement kiln head and tail dust collection device according to the utility model;
FIG. 2 is a front view showing the internal structure of a cement kiln head and tail dust collecting device according to the present utility model;
FIG. 3 is a top view of a cement kiln head and tail dust collection device according to the utility model;
fig. 4 is a schematic diagram of the internal structure of a filter box of the cement kiln head and kiln tail dust collecting device.
The reference numerals are as follows, 1, a bottom plate, 2, an atomization box, 201, an air inlet pipe, 3, a filter box, 301, an exhaust fan, 4, a communicating pipe, 501, a water tank, 502, a connecting pipe, 503, a total flow pipe, 504, an atomization nozzle, 601, a filter plate, 602, an activated carbon adsorption layer, 701, a rotating motor, 702, a screw rod, 703, a mounting block, 704, a mounting frame, 705, a brush roll, 706, a gear, 707, a rack, 708, a blower, 709, a corrugated pipe, 8 and a collecting box.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The utility model is further described below with reference to the accompanying drawings:
As shown in fig. 1-4, a cement kiln head and kiln tail dust collection device comprises a bottom plate 1, wherein an atomization box 2 and a filter box 3 are connected to the top of the bottom plate 1 through bolts, an exhaust fan 301 is connected to the top of the filter box 3 through bolts, a communicating pipe 4 is fixedly connected between the atomization box 2 and the filter box 3, collecting boxes 8 are slidably connected to the inner bottom walls of the atomization box 2 and the filter box 3, an air inlet pipe 201 is fixedly connected to one side, far away from the filter box 3, of the atomization box 2, the other end of the air inlet pipe 201 is located at the cement kiln head and kiln tail, the exhaust fan 301 is started, and dust at the kiln head and kiln tail is pumped into the atomization box 2 and the filter box 3 through the air inlet pipe 201 to be treated.
Be provided with atomizing mechanism in the atomizing case 2, atomizing mechanism includes bolted connection at the water tank 501 at atomizing case 2 top, the bottom fixedly connected with connecting pipe 502 of water tank 501, be provided with the control valve in the connecting pipe 502, the bottom fixedly connected with total flow pipe 503 of connecting pipe 502, the bottom fixedly connected with of total flow pipe 503 atomizer 504, open the control valve in connecting pipe 502, utilize atomizer 504 to carry out the sedimentation to the dust that gets into in the atomizing case 2, the great dust of granule adsorbs the bonding at atomizing steam's effect each other, gravity is greater than buoyancy after the bonding, can automatically forming the sediment, collect in the collection case 8.
Be provided with filtering mechanism in the rose box 3, filtering mechanism includes filter plate 601 of fixed connection between rose box 3 inner wall, and filtering mechanism still includes the active carbon adsorbed layer 602 of fixed connection between rose box 3 inner wall, and active carbon adsorbed layer 602 is located the top of filter plate 601, filters less dust through filter plate 601, handles pungent smell through active carbon adsorbed layer 602.
The below of filter plate 601 is provided with cleans the mechanism, clean the mechanism and include the mounting bracket 704 of U-shaped, rotate between the inner wall of mounting bracket 704 and be connected with brush roller 705, fixedly connected with a plurality of brush hair with filter plate 601 butt on the brush roller 705, ventilation chamber has been seted up to the inner wall of brush roller 705, the ventilation hole with ventilation chamber intercommunication has been seted up to the outer wall of brush roller 705, the one end of brush roller 705 stretches out mounting bracket 704 and fixedly connected with gear 706, fixedly connected with rack 707 between the front and back inner wall of rose box 3, gear 706 meshes with rack 707, can drive gear 706 and remove when brush roller 705 removes, gear 706 begins to drive brush roller 705 rotation under the drive of rack 707, improve the effect of cleaning.
The cleaning mechanism further comprises an air supply assembly, the air supply assembly comprises an air blower 708 fixedly connected to the rear side of the filter box 3, an air outlet of the air blower 708 is connected with a corrugated pipe 709, the other end of the corrugated pipe 709 is fixedly connected to the rear side of the mounting frame 704, a communication cavity is formed in the wall of the mounting frame 704, the corrugated pipe 709 is communicated with the ventilation cavity inside the brush roll 705, air is supplied to the ventilation cavity through the air supply assembly, wind power is sprayed out through the ventilation hole, dust adhered to the bottom of the filter plate 601 is dried, and cleaning is facilitated.
The cleaning mechanism further comprises a moving assembly, the moving assembly is used for driving the installation frame 704 to move back and forth, the moving assembly comprises a rotating motor 701 which is connected to the rear side of the filter box 3 through a bolt, a screw rod 702 is connected to the output end of the rotating motor 701 through a coupling, the screw rod 702 is rotationally connected between the inner walls of the filter box 3, an installation block 703 is connected to the screw rod 702 through threads, the installation frame 704 is fixedly connected to the top of the installation block 703, one end of the installation frame 704 is slidingly connected to the inner walls of the filter box 3, the rotating motor 701 is started, the rotating motor 701 drives the screw rod 702 to rotate, the screw rod 702 drives the installation block 703 to drive the installation frame 704 to move, and the installation frame 704 drives the brush roll 705 to move.
Working principle: the device is arranged at a proper position of the kiln tail of the cement kiln head, the air inlet pipe 201 faces the kiln head or the kiln tail, the exhaust fan 301 is started, dust at the kiln tail of the kiln head is pumped into the atomization box 2 through the air inlet pipe 201, the control valve in the connecting pipe 502 is opened, the atomization nozzle 504 is utilized to precipitate dust entering the atomization box 2, the dust with larger particles is mutually adsorbed and adhered under the action of atomization steam, gravity after adhesion is greater than buoyancy, the dust automatically forms precipitation and falls into the collecting box 8 to be collected, the rest dust enters the filtering box 3 through the communicating pipe 4, further filtering is carried out through the filter plate 601 and the activated carbon adsorption layer 602, then purified gas is discharged, the rotary motor 701 is started, the rotary motor 701 drives the screw 702 to rotate, the installation block 703 drives the installation frame 704 to move, the brush roller 705 is driven to move simultaneously, the gear 706 starts to drive the brush roller 705 to rotate under the driving of the rack 707, the filter plate 601 is cleaned, the blower 708 is started, the air blown out from the blower is blown out to enter the filter plate 601 through the bellows 709 to be collected in the communicating cavity, the filter plate is further filtered through the communicating pipe 704, the air is blown out through the communicating pipe 704, then the filter plate is blown into the filter plate 705 to be cleaned by the filter plate, and finally the filter plate is cleaned by the dust is blown and finally, and the dust is blown off from the filter plate 601 and is adhered to the filter plate is cleaned by the filter roller to the filter plate 601.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.