CN206607138U - A kind of precompressed mechanism of efficient novel band sludge dewatering equipment - Google Patents

Abstract

The utility model provides a high-efficiency pre-pressing mechanism of a novel belt sludge dewatering machine, relates to the field of belt sludge dewatering mechanical equipment, and includes an arc surface device, and the arc surface device includes a first mounting plate and a second mounting plate , the corresponding positions on the first mounting plate and the second mounting plate are provided with mounting holes, the mounting holes are embedded with n pre-compressed shafts, and the n pre-compressed shafts are arranged to form an arc surface, and the pre-compressed shafts include outer cylinder and the central axis that runs through the outer cylinder, rolling bearings are arranged at both ends inside the outer cylinder, and a circlip for locking is arranged beside the rolling bearing, between the first mounting plate and the second mounting plate Supporting devices for supporting the pre-compressed shaft are arranged equidistantly between them. The advantage of the utility model is that the structure is ingenious, and the curved surface structure is adopted, and rolling friction can be realized on the premise of taking into account the pressure action density and the large curvature radius on the curved surface, and the sludge in the two passing filter cloths can be removed. Preload.

Description

A new type of high-efficiency pre-pressing mechanism of belt sludge dewatering machine

technical field

The utility model relates to the field of belt-type sludge dewatering mechanical equipment, in particular to a high-efficiency pre-pressing mechanism of a novel belt-type sludge dewatering machine.

Background technique

The belt sludge dewatering machine is a widely used continuous sludge dewatering equipment, usually consisting of a thickening system, a pressing system, a filter belt tensioning system, a filter belt deviation adjustment system, a filter belt flushing system and a filter belt drive system, etc. composition. In the pressing system, when the moisture content of the sludge is relatively low, it has better anti-pressure dehydration performance and is not easy to leak sideways. Therefore, pre-pressing operation must be carried out before the sludge enters the strong press. The pre-pressing of sludge The organization directly affects the sludge treatment dryness and treatment volume.

The pre-pressing mechanism of the traditional belt sludge dewatering machine adopts a wedge-shaped plane pre-pressing structure, which has low dewatering efficiency and is not easy to form effective pressure on the sludge. With the arc surface structure, the pressure is easy to form, but due to the low pressure required for preloading, the radius of curvature of the arc surface is large. In the case where a complete cylindrical surface cannot be designed, the friction loss between the bottom support of the filter cloth and the filter cloth must be solved. The problem is very difficult, and no institution exists to deal with it.

Utility model content

The utility model overcomes the shortcomings in the prior art, and provides a new type of efficient pre-pressing mechanism for belt sludge dewatering machine. Under the premise of rolling friction, the sludge in the two passing filter cloths is pre-compressed.

In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

A high-efficiency pre-pressing mechanism of a new belt sludge dewatering machine includes an arc surface device, and the arc surface device includes a first mounting plate and a second mounting plate balancedly arranged at both ends, the first mounting plate and the second mounting plate The corresponding positions on the two mounting plates are provided with mounting holes, and the mounting holes are embedded with n pre-compression shafts perpendicular to the direction of the first mounting plate or the second mounting plate, and the n pre-compression shafts are arranged to form an arc shape, The pre-compression shaft includes an outer cylinder and a central shaft that runs through the outer cylinder. Rolling bearings are provided at both ends of the outer cylinder, and the rolling bearings are sleeved on the central shaft. The elastic circlip is arranged equidistantly between the first mounting plate and the second mounting plate for supporting the pre-compressed shaft.

Further, the supporting device includes a first support plate and a second support plate, n+1 support shafts are arranged between the first support plate and the second support plate, and the two ends of the support shafts are connected to the The first support plate and the second support plate are rotatably connected, and the outer surface of the support shaft is in contact with the outer surface of the pre-pressing shaft.

Further, clamping plates for positioning the pre-compressed shafts are provided between every two supporting devices, circular clamping holes are provided on the arc surface of the clamping plates, and the opening angle of the circular clamping holes is greater than 180°, the circular clamping hole is clamped with the pre-compressed shaft, and the pre-compressed shaft protrudes from the arc surface of the clamping plate by 2-5mm after being connected to the circular clamping hole, and a clamping position is provided under the clamping plate groove.

Further, a mounting bracket used in conjunction with the locking slot is provided under the clamping plate.

Further, sealing rings are provided at both ends of the outer cylinder.

Further, the number of n is 34.

Further, the diameter of the pre-compression shafts is 30 mm, and the gap between two adjacent pre-compression shafts is 10 mm.

Further, the number of the supporting devices is 8, and the number of the clamping plates is 3.

Further, the rolling bearing is a deep groove ball bearing.

Further, the total width of the arc device is 2.6 meters, the diameter of the arc formed is 2 meters, and the angle is 60°.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model overcomes the weakness of the traditional wedge-shaped plane pre-compression mechanism, and can make the two filter belts carrying the sludge stable by forming groups of rolling pre-compression shafts on the pre-compression surface on the premise that the pre-compression surface has a large radius of curvature. It is gradually affected by the radial force and tangential force, effectively solving the difficulty of gradually increasing the sludge pre-compression pressure, and stably making the sludge dryness meet the requirements of the feed pressure resistance required in the pressing stage, and it is not easy to run Sludge, providing a good early guarantee for sludge pressing.

Description of drawings

Accompanying drawing is used for providing further understanding to the utility model, is used for explaining the utility model together with the embodiment of the utility model, does not constitute the limitation of the utility model, in the accompanying drawing:

Fig. 1 is the schematic general diagram of the structure of the preloading mechanism described in the utility model;

Fig. 2 is a schematic structural view of the supporting device;

Fig. 3 is a schematic diagram of the connection between the preload shaft and the support shaft;

Fig. 4 is the schematic diagram of card board;

Fig. 5 is the structural representation of central axis;

In the figure: 1—curved surface device, 11—first mounting plate, 12—second mounting plate, 2—preloaded shaft, 21—outer cylinder, 22—central shaft, 23—rolling bearing, 24—circlip, 25— Sealing ring, 3—supporting device, 31—first supporting plate, 32—second supporting plate, 33—supporting shaft, 4—clamping plate, 41—circular carding hole, 42—carding slot, 5—installation frame.

detailed description

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

As shown in Figure 1, a high-efficiency preloading mechanism of a new belt sludge dewatering machine includes an arc surface device 1. The total width of the arc surface device 1 is 2.6 meters, and the diameter of the formed arc is 2 meters. It is 60°, and the curved surface device 1 includes a first mounting plate 11 and a second mounting plate 12 that are balancedly arranged at both ends, and mounting holes (not shown) are provided at corresponding positions on the first mounting plate 11 and the second mounting plate 12 , the mounting hole is embedded with n preloading shafts 2 perpendicular to the direction of the first mounting plate 11 or the second mounting plate 12, and the n preloading shafts 2 are arranged to form an arc surface, between the first mounting plate 11 and the second mounting plate 12 There are also supporting devices 3 for supporting the pre-compression shaft 2 at equal distances between them. As shown in Figure 2, the supporting device 3 includes a first support plate 31 and a second support plate 32, and the first support plate 31 and the second support plate There are n+1 support shafts 33 between the plates 32, and the two ends of the support shafts 33 are rotatably connected with the first support plate 31 and the second support plate 32. The outer surfaces of the two supporting devices 3 are connected to each other, and a clamping plate 4 for positioning the pre-compression shaft 2 is also provided between every two supporting devices 3. As shown in Figure 4, the upper arc surface of the clamping plate 4 is provided with a circular clamping hole 41. The clamping hole 41 is clamped with the pre-compression shaft 2, and the opening angle of the circular clamping hole 41 is greater than 180°, which can surround the pre-compression shaft 2 and rotate in the corresponding circular clamping hole 41, and the pre-compression shaft 2 protrudes after being connected to the circular clamping hole 41 The upper arc surface of the card plate 4 is 3 mm, the protruding position of the pre-pressing shaft 2 is in rolling contact with the filter cloth, and a locking groove 41 is provided under the card plate 4, and the locking groove 41 is snapped to the mounting frame 5 provided under the arc surface device 1 , so that the arc surface device 1 is fixed on the installation frame 5. The pre-pressing mechanism of the utility model is used by fixing the installation frame 5 on the side plate of the dehydrator. When the two filter cloths holding the sludge pass through the arc surface device When the pre-compression shaft 2 on the 1, the filter cloth will be stably affected by the radial force and tangential force from the pre-compression shaft 2, and the sludge will be squeezed to meet the required compression resistance of the feed.

As shown in Figure 5, the preloading shaft 2 includes an outer cylinder 21 and a central shaft 22 penetrating through the outer cylinder 21. Rolling bearings 23 are provided at both ends of the outer cylinder 21, and the rolling bearings 23 are sleeved on the central shaft 22. Preferably, in this embodiment, the rolling bearing 23 is a deep groove ball bearing, and sealing rings 25 are provided at both ends of the outer cylinder 21 to prevent dirt from entering the outer cylinder 21 .

Preferably, the number of n is 34.

Preferably, the diameter of the pre-compression shafts 2 is 30 mm, and the gap between two adjacent pre-compression shafts 2 is 10 mm.

Preferably, the number of supporting devices 3 is eight, and the number of clamping plates 4 is three.

Finally, it should be noted that the above are only preferred embodiments of the utility model, and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the embodiments, for those skilled in the art, it is still It is possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements on some of the technical features, but within the spirit and principles of the present utility model, any modifications, equivalent replacements, improvements, etc. Included within the protection scope of the present utility model.

Claims (1)

1. a kind of precompressed mechanism of efficient novel band sludge dewatering equipment, it is characterised in that including cambered surface device, the cambered surface Device is included on the first installing plate and the second installing plate that balance is arranged on two ends, first installing plate and the second installing plate Correspondence position is provided with mounting hole, and the mounting hole is embedded with the n vertical with first installing plate or the second installing plate direction The pre- last item of bar, the pre- last item arrangement form arc surfaced of n bars, the pre- last item includes outer barrel and the center through the outer barrel Axle, the outer barrel is provided at both ends with rolling bearing, and the rolling bearing is socketed on the central shaft, the rolling bearing Side is additionally provided with the circlip for screens, has also been placed equidistant being used between first installing plate and the second installing plate The bearing device of the pre- last item is withstood, the bearing device includes the first supporting plate and the second supporting plate, first support N+1 bar support shafts, the support shaft two ends and first supporting plate and the second support are provided between plate and the second supporting plate Plate rotates connection, and the outer surface of the support shaft connects with the outer surface of the pre- last item, and the number of the n is 34；Every two Cambered surface on the clamp for the pre- last item to be positioned, the clamp is additionally provided between the individual bearing device and is provided with round card Hole, the blowing angle of the round hole clipping is more than 180 °, the round hole clipping and the pre- last item clamping, and the pre- last item access is described It is provided with screens groove after circle hole clipping on the prominent clamp below 2~5mm of cambered surface, the clamp, the lower section of the clamp is set Have and the matching used mounting bracket of screens groove；The outer barrel two ends are additionally provided with sealing ring；The diameter of the pre- last item is 30mm, the gap of the adjacent pre- last item is 10mm two-by-two；The quantity of the bearing device is 8, and the quantity of the clamp is 3 Block；The rolling bearing is deep groove ball bearing；The overall width of the cambered surface device is 2.6 meters, and the diameter for forming circular arc is 2 Rice, angle are 60 °.