CN215855692U - Two segmentation sludge dewatering device - Google Patents

Abstract

The utility model provides a two-section type sludge dewatering device which comprises dewatering equipment, a first conveyor, cutting equipment, a second conveyor, a crusher, a third conveyor and drying equipment which are sequentially arranged, wherein the cutting equipment comprises a counter cutting plate and a cutting roller, the counter cutting plate is positioned below the tail end of the first conveyor, the counter cutting plate is obliquely arranged, the bottom of the counter cutting plate is inclined towards the downstream, the bottom of the counter cutting plate is concave downwards to form an arc shape, the cutting roller is positioned at the opposite position of the front surface of the counter cutting plate and is adjacent to the counter cutting plate, and the cutting roller is integrally in a round roller shape and rotates around the axis of the cutting roller. According to the two-section type sludge dewatering device, the filter cake is cut by the cutting equipment, so that the size of the filter cake is reduced, and the filter cake is convenient to convey and enter a pulverizer; the cutting roller is used for folding the filter cake through the roller-shaped appearance and the arc-shaped cutting plate, so that the filter cake is cracked, and meanwhile, the filter cake is cut through the rolling type cutter structure, so that the cutting effect on the filter cake is guaranteed.

Description

Two segmentation sludge dewatering device

Technical Field

The utility model relates to the technical field of sludge treatment, in particular to a two-section type sludge dewatering device.

Background

The sludge treatment field uses single sludge dewatering equipment, and sludge dewatering is thorough inadequately, can not pile up the storage, and mud need dry once more, or adds quick lime in the preface technology to improve the dehydration rate, its drawback all exists in two kinds of modes, makes peripheral air odor concentration too high when drying easily, and quick lime has increased the output of mud and the expense of handling mud. Among the prior art, there is the technical scheme who improves the dehydration rate through twice dehydration, leading dewatering equipment promptly, the filter cake after will first dehydrating through the conveyer after the back is transported to the rubbing crusher and is smashed, carry out secondary drying dehydration again to reduce the moisture content of mud, however, when some mud types that harden intensity is higher dewater, the transportation of filter cake is comparatively difficult, because its is bulky, and weight is high, easily from the conveyer landing, and need dispose great rubbing crusher and receive the filter cake, cause the increase of equipment cost.

Disclosure of Invention

In view of the above, the present invention provides a two-stage sludge dewatering device, which adds a cutting device for a filter cake on a conveying path of sludge after the sludge is dewatered for the first time to reduce the size of the filter cake.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a two segmentation sludge dewatering device, is including dewatering equipment, first conveyer, cutting means, second conveyer, rubbing crusher, third conveyer and the drying equipment that sets up in order, cutting means includes butt cut board and cutting roll, the butt cut board is located the terminal below of first conveyer, the butt cut board slope sets up, and its bottom is to downstream slope, the arc of sinking into in the bottom of butt cut board, the cutting roll is located the positive relative position of butt cut board, and is adjoined to the butt cut board, the whole roller form that is of cutting roll is rotatory around its axis.

Further, the dewatering equipment is a plate-and-frame filter press or a belt filter press.

Further, the drying equipment is a low-temperature drier, a low-temperature air drying room, a blower or a heat exchanger.

Further, the first conveyor, the second conveyor, and the third conveyor are belt conveyors, scraper conveyors, or carriage conveyors.

Further, the inclination angle of the pair of cutting plates is not less than 30 degrees and not more than 60 degrees.

Further, a plurality of cutting knives are arranged on the outer ring of the cutting roller.

Further, the cutting knife is fixedly connected with the shaft part of the cutting roller through a supporting plate.

Further, the cutting knife comprises a plurality of annular cutting knives and a plurality of axial cutting knives, the annular cutting knives extend along the axial direction of the cutting roller, the axial cutting knives extend along the axial direction of the cutting roller, and the annular cutting knives and the axial cutting knives are arranged in a crossed mode.

Further, an edge part is arranged on the outer edge of the cutting knife, which is far away from the cutting roller.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this two segmentation sludge dewatering device cuts the filter cake through cutting tool, reduces the size of filter cake, is convenient for transmit and get into the rubbing crusher.

(2) This two segmentation sludge dewatering device, cutting roll carry out the fold-down to the cutting plate to the filter cake through roll form appearance and arc, make the filter cake cracked, simultaneously, cut apart the filter cake through the cutter structure of roll formula, guarantee the effect of cutting to the filter cake.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of a two-stage sludge dewatering device according to the present invention;

FIG. 2 is a schematic view of the overall structure of a cutting roll of the two-stage sludge dewatering device according to the present invention.

Description of reference numerals:

1-a dewatering device; 2-a first conveyor; 3-cutting the plates; 4-cutting roller; 41-shaft portion; 42-a support plate; 43-ring-shaped cutter; 44-axial cutters; 45-a rotating shaft; 5-a second conveyor; 6-a pulverizer; 7-a third conveyor; 8-drying equipment.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be described in detail below with reference to the following examples with reference to the attached drawings:

as shown in fig. 1-2, the present embodiment provides a two-stage sludge dewatering device, which includes a dewatering device 1, a first conveyor 2, a cutting device, a second conveyor 5, a crusher 6, a third conveyor 7, and a drying device 8, which are sequentially disposed, wherein the cutting device includes a cutting plate 3 and a cutting roller 4, the cutting plate 3 is disposed in an inclined manner, the top of the cutting plate is located below the end of the first conveyor 2, the bottom of the cutting plate 3 is inclined downstream, the bottom of the cutting plate 3 is concave into an arc shape, the cutting roller 4 is located at a position opposite to the front of the cutting plate 3, the front of the cutting plate 3 is a side of the cutting plate 3 for receiving a filter cake, the cutting roller 4 is integrally in a round roller shape and rotates around the axis thereof, after the filter cake on the cutting plate 3 is squeezed and sheared, the formed filter cake fragments are pulled down, the distance between the cutting roller 4 and the cutting plate 3 is smaller than the thickness of the filter cake, so that the cutting knife can shear the filter cake.

The two-stage sludge dewatering device that this embodiment provided, during the use, the filter cake falls into from first conveyer 2 and openly to cutting plate 3, because the filter cake is planar slabby thing, the filter cake gets into to be the arc clearance between cutting plate 3 and the cutting roll 4 after, because of receiving the extrusion force of the two and break cracked, cuts the filter cake through cutting equipment, reduces the size of filter cake, is convenient for transmit and gets into rubbing crusher 6.

Specifically, in this embodiment, the dewatering device 1 is a plate-and-frame filter press or a belt filter press; the drying device 8 is a low-temperature drier, a low-temperature air drying room, a blower or a heat exchanger; the first conveyor 2, the second conveyor 5 and the third conveyor 7 are all belt conveyors, scraper conveyors or carriage conveyors.

Further, in the present embodiment, the inclination angle of the cutting plate 3 is not less than 30 degrees and not more than 60 degrees, so that the filter cake and the filter cake fragments after shearing can smoothly fall onto the second conveyor 5.

Further, in the present embodiment, the outer ring of the cutting roller 4 is provided with a plurality of cutting blades, and the cutting blades are fixedly connected with the shaft portion 41 of the cutting roller 4 through the supporting plate 42; the cutting knife comprises a plurality of annular cutting knives 43 and a plurality of axial cutting knives 44, wherein the annular cutting knives 43 extend along the axial direction of the cutting roller 4, the axial cutting knives 44 extend along the axial direction of the cutting roller 4, and the annular cutting knives 43 and the axial cutting knives 44 are arranged in a crossed mode to form a grid-shaped knife array; the outer edge of the cutting knife, which is far away from the cutting roller 4, is provided with a blade part, and the cross arrangement and the design of the blade part of the cutting knife ensure that the cutting knife can further divide the filter cake after being bent and cracked, thereby ensuring the cutting effect.

Note: the fixing manner described herein is, if not specifically stated, a conventional fixing manner such as a screw connection, a welding, an adhesion, etc. may be used.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (9)

1. The utility model provides a two segmentation sludge dewatering device which characterized in that: including dewatering equipment (1), first conveyer (2), cutting equipment, second conveyer (5), rubbing crusher (6), third conveyer (7) and drying equipment (8) that set up in order, cutting equipment includes cutting board (3) and cutting roller (4), cutting board (3) are located the terminal below of first conveyer (2), to cutting board (3) slope setting, its bottom is to downstream slope, it is the arc to recessed in the bottom of cutting board (3), cutting roller (4) are located the positive relative position to cutting board (3), and are adjacent to cutting board (3), cutting roller (4) wholly are the round roller form, rotate around its axis.

2. The two-stage sludge dewatering device of claim 1, wherein: the dewatering equipment (1) is a plate-and-frame filter press or a belt filter press.

3. The two-stage sludge dewatering device of claim 1, wherein: the drying equipment (8) is a low-temperature drier, a low-temperature air drying room, a blower or a heat exchanger.

4. The two-stage sludge dewatering device of claim 1, wherein: the first conveyor (2), the second conveyor (5) and the third conveyor (7) are belt conveyors, scraper conveyors or carriage conveyors.

5. The two-stage sludge dewatering device of claim 1, wherein: the inclination angle of the cutting plate (3) is not less than 30 degrees and not more than 60 degrees.

6. The two-stage sludge dewatering device of claim 1, wherein: the outer ring of the cutting roller (4) is provided with a plurality of cutting knives.

7. The two-stage sludge dewatering device of claim 6, wherein: the cutting knife is fixedly connected with the shaft part (41) of the cutting roller (4) through a support plate (42).

8. The two-stage sludge dewatering device of claim 6, wherein: the cutting knife comprises a plurality of annular cutting knives (43) and a plurality of axial cutting knives (44), the annular cutting knives (43) extend along the axial direction of the cutting roller (4), the axial cutting knives (44) extend along the axial direction of the cutting roller (4), and the annular cutting knives (43) and the axial cutting knives (44) are arranged in a crossed mode.

9. The two-stage sludge dewatering device of claim 6, wherein: the outer edge of the cutting knife far away from the cutting roller (4) is provided with a blade part.

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