A kind of counter-current cooler
Technical field
The utility model relates to a kind of counter-current cooler, is specifically related to a kind of counter-current cooler that is used to cool off granular materials such as feed.
Background technology
Existing particulate material adverse current cooling device, as shown in Figure 9, its structure and operation principle are: material drops on the material casting plate that is in tilted layout along the taper bucket in passage enters cooler, along the landing of material casting plate to the cooler warehouse; The material casting plate has a cover driving mechanism driven rotary, so that material can be spread to cooler.The cooler side has an inlet scoop to link to each other with fans entrance, during blower fan work, forms negative pressure in the cavity above cooler, extraneous air enters the cooling storehouse by the discharge mechanism slit, and passes material bed under the atmospheric pressure effect, thereby take away heat and moisture in the material, reach the cooling purpose.When solid accumulation during to specified altitude, discharge mechanism moves back and forth under reductor drives, and material is intermittent discharges.Mainly there is following shortcoming in existing particulate material adverse current cooling device: faults such as chain, vibration very easily appear falling in (1) spreading transmission mechanism complexity; (2) material casting dish structure can not guarantee uniform distribution, and the highly uneven material bed air-flow difference that causes passing material finally causes cooling uniformity relatively poor; (3) the material casting plate of Qing Xieing takies space, too many cooling storehouse 9, and is about 50%, effective cooling highly descended, thereby influence cooler output; (4) open wide fully and the wind path structure of outlet biasing, cause air-flow extremely inhomogeneous, influence cooling uniformity; (5) the adjusting fence is combined by the grizzly bar welding of one group of band iron shape, and structure and connected mode are unreasonable, and manufacturability is relatively poor, and welding deformation is serious, and the bottom flatness is difficult to reach requirement, causes a large amount of material buildups.
Summary of the invention
Goal of the invention: at the deficiencies in the prior art, the purpose of this utility model provides a kind of counter-current cooler, and output height, cooling uniformity are good so that it has, transmission mechanism reliability height, discharge mechanism do not have characteristics such as buildup.
Technical scheme: in order to realize the foregoing invention purpose, the technical solution adopted in the utility model is:
A kind of counter-current cooler comprises the housing that has interior storehouse, is provided with charging aperture and inlet scoop on housing, is provided with discharge mechanism at housing bottom; In described housing, be provided with the air channel that communicates with the inlet scoop, on this air channel, be provided with the passage that communicates with storehouse in the housing, below passage, be provided with wind deflector; Extend a passage from charging aperture and enter the interior storehouse of housing by passage, be provided with the material casting dish below the passage outlet, this material casting dish is fixed on the turning cylinder, and this turning cylinder is driven by the motor direct connection.
During work, material is the storehouse in passage enters cooler, drops on the material casting dish, and the even cloth of material casting dish that is rotated is spread in the cooler warehouse; Cold air is entered in the cooling storehouse by bottom discharging fence place, passes material bedly, arrives equal wind air channel inlet, is discharged by the inlet scoop after passing the air channel.When the nothing material was accumulated to specified altitude, discharge mechanism moved back and forth under reductor drives, and the material intermittence is discharged.When producing end, regulate fence and discharge fence and do relative motion, can remove the material that accumulates on the discharge fence.Because the utility model adopts unique air channel design, air-flow enters the air channel around wind deflector, by the reasonable intervention to air-flow, makes in the storehouse in the height of materials scope, and Flow Field Distribution is even, flows out from the inlet scoop at last.The material casting dish is under turning cylinder drives, with reasonable rotating speed rotation, there are several pieces to be radially-arranged material casting plate on the material casting dish, material casting plate shape can be straight or arc, when material is fallen material casting disk center, driven by material casting dish upthrow flitch and to rotate, and on centrifugal action lower edge material casting plate surface to the impeller border movement, dished out at a high speed at last.Can change material covering uniformity by changing material casting plate quantity.By shape and the angle that changes each material casting plate, or only change rotating speed, can regulate material and shed distance.Finally reach the purpose of uniform distribution.
Beneficial effect: counter-current cooler of the present utility model, to compare with existing cooler, the advantage that has comprises: adopt unique air channel design, to the reasonable intervention of air-flow, make in the storehouse in the height of materials scope, Flow Field Distribution is even; Motor adopts associated mode to drive moving axis, and transmission rigidity is good, and the reliability height does not have additional transmission mechanism, can adapt to higher rotation speed; Adopt rational material casting dish, save the space and reach 30%, effectively improve equipment yield; Adopt the adjusting fence of whole punching structure, guarantee lower edge linearity preferably; Increase integral rigidity simultaneously, reduce support and connection and pad quantity, prevent the bottom surface out-of-flatness that welding deformation causes.Therefore, counter-current cooler of the present utility model has effectively solved problems such as existing cooler yields poorly, cooling uniformity is poor, the transmission mechanism reliability is low, the discharge mechanism buildup is serious, be a kind ofly have that output height, cooling uniformity are good, novel counter-current cooler that transmission mechanism reliability height, discharge mechanism do not have advantages such as buildup.
Description of drawings
Fig. 1 is the structural representation of counter-current cooler of the present utility model;
Fig. 2 is the structural representation in air channel 6;
Fig. 3 is that the A-A of Fig. 2 is to view;
Fig. 4 is the schematic diagram of turning cylinder and motor associated mode;
Fig. 5 is the structural representation of the uniform mechanism of material of the present utility model;
Fig. 6 is that the B-B of Fig. 5 is to schematic diagram;
Fig. 7 is the structural representation of discharge mechanism 7 of the present utility model;
Fig. 8 is that the C-C of Fig. 7 is to schematic diagram;
Fig. 9 is the structural representation of cooler commonly used in the prior art;
Figure 10 is the partial enlarged drawing of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further explained:
As shown in Figure 1, this counter-current cooler comprises circular shell 1, charging aperture 2, motor 3 and the discharging structure 7 that has interior storehouse; Charging aperture 2 is arranged on housing 1 top, preferred top; Inlet scoop 4 can be arranged on the side on housing 1 top; Motor 3 can be arranged on the housing 1, also can adopt the split mode to separate the bottom that setting, discharge mechanism 7 are arranged on housing 1 with housing 1.
In housing 1, be provided with passage 11 and communicate, in passage 11, be provided with turning cylinder 34 and link, be provided with the uniform mechanism 5 of material in the bottom of turning cylinder 34 with motor 3 with charging aperture 2.
As shown in Figures 2 and 3, air channel 6 is arranged in the housing 1, and front end communicates with inlet scoop 4, is provided with the passage 61 that communicates with interior storehouse on the wall in air channel 6, and passage 61 is preferably circle, is provided with wind deflector 62 below passage 61.Pass passage 61 and wind deflector 62 and extend to interior storehouse from charging aperture 2 extended passages 11.When 4 air draughts of inlet scoop, air-flow passes from bottom half and enters Nei Cang, owing to adopt air channel 6 designs of above-mentioned uniqueness, to the reasonable intervention of air-flow, air-flow enters air channel 6 around wind deflector 62,4 outflows from the inlet scoop at last, in the height of materials scope, Flow Field Distribution is even in the assurance storehouse.
As Fig. 4 and shown in Figure 10, turning cylinder 34 is an associated mode with the type of drive of motor 3, the top of turning cylinder 34 and reductor 33 link, reductor 33 is by motor-driven, turning cylinder 34 is provided with the sliding bearing 36 that is used for supplemental support, and sliding bearing 36 is fixing by the bearing block 35 that is arranged on the housing 1.Adopt sliding bearing 36 supplemental support, transmission rigidity is good, and the reliability height does not have additional transmission mechanism, can adapt to higher rotation speed.
As shown in Figure 5 and Figure 6, below passage 11 feeding hopper 51 is set, material casting dish 52 is set below feeding hopper 51, feeding hopper 51 is fixed on the turning cylinder 34, is provided with blade 53 at feeding hopper 51 top edges; Material casting dish 52 is provided with several and is radially-arranged material casting plate 54, and the length of each material casting plate 54 is all inequality.
Material is entered in the feeding hopper 51 by passage 11 guiding, when output hour, guarantee that material can be concentrated to drop on material casting dish 52 centers that when output was excessive, material was overflowed by feeding hopper 51 top edges, and was thrown away fast by the blade 53 of feeding hopper 51 upper edges, prevented putty; Material casting dish 52 is under turning cylinder 34 drives, with reasonable rotating speed rotation, there are several pieces to be radially-arranged material casting plate 54 on the material casting dish 52, material casting plate 54 shapes can be straight or arcs, when material is fallen material casting dish 52 centers, driven by material casting dish 52 upthrow flitch 54 and to rotate, and on centrifugal action lower edge material casting plate 54 surfaces to material casting dish 52 border movements, dished out at a high speed at last.Can change material covering uniformity by changing material casting plate 54 quantity.By shape and the angle that changes each material casting plate 54, or only change decelerator 33 rotating speeds, can regulate material and shed distance, finally reach the purpose of uniform distribution, this structure is saved space 9 and is reached 30%, effectively improves equipment yield.
As shown in Figure 7 and Figure 8, discharge mechanism 7 comprises regulates fence 71 and discharge fence 73, and regulating fence 71 is the adjusting fence of whole drawing.Regulate fence and be designed to whole punching structure, leave passage 72 thereon, guarantee lower edge linearity preferably; Increase integral rigidity simultaneously, reduce support and connection and pad quantity, prevent the bottom surface out-of-flatness that welding deformation causes.
During this counter-current cooler work, material enters in the counter-current cooler through passage 11, drops on the feeding hopper 51, is sent into material casting dish 52 centers by feeding hopper 51, is spread in the counter-current cooler warehouse by material casting dish 52 even cloth and forms material bed 8; Passage 72 places that cold air is regulated on the fence 71 by the bottom enter Nei Cang, pass material bedly 8, arrive passage 61, pass 6 backs, air channel and are discharged by inlet scoop 4.When solid accumulation during to specified altitude, discharge mechanism 7 moves back and forth under reductor drives, and the material intermittence is discharged.When producing end, regulate fence 71 and do relative motion with discharge fence 73, can remove the material that accumulates on the discharge fence 73.
The effect comparing result is as shown in table 1.
Table 1 is the test parameter contrast table of conventional cooler and cooler of the present invention.
The utility model efficiently solves problems such as existing counter-current cooler yields poorly, cooling uniformity is poor, the transmission mechanism reliability is low, the discharge mechanism buildup is serious.Data can obviously draw the many 5t/h of output of the existing cooler of PR of counter-current cooler of the present utility model from table.