Flow guide device for pressing cage of sludge filter press

Abstract

The utility model discloses a pressing cage flow guide device of a sludge filter press, which comprises a pressing cage body and is characterized in that a plurality of groups of inclined drainage holes are formed in the inner wall of the pressing cage body, flow guide grooves communicated with the drainage holes are formed in the outer side of the pressing cage body, columnar filter screens are arranged in the drainage holes, and the columnar filter screens are arranged in the drainage holes. The top of the columnar filter screen is flush with the inner side of the pressing cage body, and a gap is formed between the columnar filter screen and the inner wall of the drainage hole. The filter press has the beneficial effects that the filter cloth cannot completely block the drainage hole by arranging the gap between the columnar filter screen and the inner wall of the drainage hole in the working process of the filter press, and water at an extrusion part can quickly flow into the diversion trench through the gap, so that the problem that the drainage hole is completely blocked by the filter cloth is solved, and the filter press is convenient to use. The filter pressing efficiency of the filter press and the drainage efficiency of the pressing cage body are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge filter press technical field, especially a sludge filter press cage flow guide device. BACKGROUND

[0002] In sludge treatment process, after sludge is concentrated and digested, still has higher water content, volume is very big, sludge dewatering can further remove the void water and capillary water in sludge, reduces its volume. After dewatering treatment, it is favorable for subsequent transportation and processing, and sludge mechanical dewatering method has filter dewatering, centrifugal dewatering and squeezing type dewatering etc., filter dewatering has vacuum filtration and pressure filtration again;Centrifugal dewatering is dewatered with centrifuge;Squeezing type dewatering is dewatered with screw press or rolling press.

[0003] Vertical sludge deep filter dewatering equipment is a mechanical dewatering equipment gradually rising in recent years, and has the characteristics of simple system, large size, low operation cost, high pressure mechanical vertical extrusion sludge and the like, under the conditions of proper selection of equipment and reagent, proper use amount and accurate control, the average sludge moisture content can reach 50%-55% when the sludge moisture content is about 80%.

[0004] Some sludge filter press cages have drainage holes for discharging sewage during the filter pressing process, but the filter cloth may block some drainage holes due to the strong pressure of the filter press during the pressing process, resulting in poor drainage effect of the cage, and further affecting the filter pressing efficiency of the filter press. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortcoming that some sludge filter press cages have drainage holes for discharging sewage during the filter pressing process, but the filter cloth may block some drainage holes due to the strong pressure of the filter press during the pressing process, resulting in poor drainage effect of the cage, and further affecting the filter pressing efficiency of the filter press, and provides a sludge filter press cage flow guide device.

[0006] The utility model discloses a sludge filter press cage flow guide device, which comprises a cage body, characterized in that: a plurality of inclined drainage holes are installed on the inner wall of the cage body, a flow guide groove is installed on the outer side of the cage body and communicates with the drainage holes, a cylindrical filter screen is installed in the drainage hole, the top of the cylindrical filter screen is flush with the inner side of the cage body, and a gap is arranged between the cylindrical filter screen and the inner wall of the drainage hole.

[0007] The pressing cage body is rectangularly arranged, and a drainage groove connected with the flow guide groove is arranged at each corner of the pressing cage body.

[0008] Further, the plurality of groups of drainage holes between the adjacent inner walls of the pressing cage body are staggered, which can evenly distribute the drainage capacity of the drainage holes between each layer of filter cloth in the pressing cage body, so that the sewage squeezed by each layer of filter cloth can be quickly drained, and the overall drainage effect of the equipment is effectively improved.

[0009] Further, the lower part of the inner side wall of the pressing cage body is provided with a drainage filter plate, the bottoms of the plurality of groups of drainage grooves are connected through a drainage groove, the drainage filter plate is connected with the inner wall of the drainage groove, and one side of the drainage groove is connected with a water collecting tank, so that the squeezed sewage can be collected and measured through the drainage groove, thereby facilitating the subsequent calculation of the water content in the sludge.

[0010] Further, the tops of the plurality of groups of drainage grooves are connected, and the top of the drainage groove is connected with a negative pressure fan, so that the negative pressure fan can provide a certain negative pressure effect for the drainage groove, and a certain suction force is provided to make the water in the flow guide groove quickly enter the drainage groove for drainage.

[0011] Further, the flow guide groove and the drainage groove are connected through a through hole.

[0012] Further, the flow guide hole connected with the drainage groove is arranged at each corner of the pressing cage body, so that the drainage effect at the four corners of the pressing cage body is improved, and the squeezed sewage is prevented from remaining at the four corners of the pressing cage body.

[0013] The utility model has the advantages that: the gap between the columnar filter screen and the inner wall of the drainage hole can prevent the filter cloth from completely blocking the drainage hole during the operation of the filter press, and the water at the squeezing position can quickly flow into the flow guide groove through the gap, thereby solving the problem of complete blocking of the filter cloth on the drainage hole, effectively improving the filter pressing efficiency of the filter press and the drainage efficiency of the pressing cage body, and the plurality of groups of drainage holes between the adjacent inner walls are staggered, which can evenly distribute the drainage capacity of the drainage holes between each layer of filter cloth in the pressing cage body, so that the sewage squeezed by each layer of filter cloth can be quickly drained, and the overall drainage effect of the equipment is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a cross-sectional view of the pressing cage body structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the pressing cage body structure of the utility model; Figure 1 It is an enlarged schematic view of the A structure in the utility model;

[0016] Figure 3It is an overall structure front view schematic diagram of the utility model;

[0017] Figure 4 It is a drainage groove top view sectional structure schematic diagram of the utility model;

[0018] In the figure, 1, cage body; 2, drainage hole; 3, cylindrical filter screen; 4, guide groove; 5, drainage filter plate; 6, drainage groove; 7, negative pressure fan; 8, water collecting tank; 9, through hole; 10, guide hole; 11, drainage groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0022] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0023] In the description of the utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, still need explaining, unless another explicit provision and limitation, term "arrangement", "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, can understand the specific meaning of the above terms in the utility model according to specific circumstances.

[0025] Embodiment 1: as Figures 1-4 The utility model discloses a sludge filter press cage flow guide device, including cage body 1, its characterized in that: the inner wall of cage body 1 is installed with multiple groups of drainage hole 2 that sets up obliquely, the outside of cage body 1 is installed with the flow guide groove 4 that communicates with drainage hole 2, installs the cylindrical filter screen 3 in drainage hole 2, the top of cylindrical filter screen 3 is flush with the inside of cage body 1, and the clearance is arranged between cylindrical filter screen 3 and the inner wall of drainage hole 2, and the clearance between cylindrical filter screen 3 and the inner wall of drainage hole 2 can be set up in the process, filter cloth does not completely block drainage hole 2 in the working process of filter press, and the water at extrusion can flow into flow guide groove 4 through the clearance, thereby solve the problem that filter cloth completely blocks drainage hole 2, effectively improve the filter pressing efficiency of filter press and the drainage efficiency of cage body 1.

[0026] Cage body 1 sets up obliquely, and the four corners of cage body 1 are all installed with the drainage groove 6 that communicates with flow guide groove 4.

[0027] The multiple groups of drainage hole 2 between the adjacent inner walls of cage body 1 are staggered, and the drainage capacity of drainage hole 2 can be evenly distributed to each layer of filter cloth in cage body 1 by the multiple groups of drainage hole 2 between the adjacent inner walls, so that the sewage extruded by each layer of filter cloth can be quickly discharged, and the overall drainage effect of the equipment is effectively improved.

[0028] Embodiment 2: as Figures 1-4 The utility model discloses a sludge filter press cage flow guide device, including cage body 1, its characterized in that: the inner wall of cage body 1 is installed with multiple groups of drainage hole 2 that sets up obliquely, the outside of cage body 1 is installed with the flow guide groove 4 that communicates with drainage hole 2, installs the cylindrical filter screen 3 in drainage hole 2, the top of cylindrical filter screen 3 is flush with the inside of cage body 1, and the clearance is arranged between cylindrical filter screen 3 and the inner wall of drainage hole 2, and the clearance between cylindrical filter screen 3 and the inner wall of drainage hole 2 can be set up in the process, filter cloth does not completely block drainage hole 2 in the working process of filter press, and the water at extrusion can flow into flow guide groove 4 through the clearance, thereby solve the problem that filter cloth completely blocks drainage hole 2, effectively improve the filter pressing efficiency of filter press and the drainage efficiency of cage body 1.

[0029] The squeezer cage body 1 is arranged in a rectangular shape, and a drainage groove 6 is arranged at each corner of the squeezer cage body 1 and communicated with the flow guide groove 4.

[0030] The plurality of groups of drainage holes 2 between the adjacent inner walls of the squeezer cage body 1 are arranged in a staggered manner, and the drainage capacity of the drainage holes 2 is evenly distributed between each layer of filter cloth in the squeezer cage body 1, so that the sewage squeezed by each layer of filter cloth can be quickly discharged, and the overall drainage effect of the equipment is effectively improved.

[0031] The lower part of the inner wall of the squeezer cage body 1 is provided with a drainage filter plate 5, the bottoms of the plurality of groups of drainage grooves 6 are communicated through a drainage groove 11, the drainage filter plate 5 is communicated with the inner wall of the drainage groove 11, and one side of the drainage groove 11 is communicated with a water collecting tank 8.

[0032] The tops of the plurality of groups of drainage grooves 6 are communicated, and the top of the drainage groove 6 is connected with a negative pressure fan 7, the negative pressure fan 7 can provide a certain negative pressure effect for the drainage groove 6, and a certain suction force is provided to make the water in the flow guide groove 4 quickly enter the drainage groove 6 for drainage, and the flow guide groove 4 and the drainage groove 6 are communicated through a through hole 9.

[0033] The flow guide holes 10 are arranged at the four corners of the squeezer cage body 1 and communicated with the drainage grooves 6, and the flow guide holes 10 can improve the drainage effect at the four corners of the squeezer cage body 1 and avoid the sewage squeezed being left at the four corners of the squeezer cage body 1.

[0034] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A sludge filter press cage flow guide device comprising a cage body (1), characterized in that: The inner wall of the cage body (1) is provided with a plurality of groups of inclined drainage holes (2), the outer side of the cage body (1) is provided with a flow guide groove (4) in communication with the drainage holes (2), the drainage holes (2) are provided with a cylindrical filter screen (3), the top of the cylindrical filter screen (3) is flush with the inner side of the cage body (1), and a gap is formed between the cylindrical filter screen (3) and the inner wall of the drainage hole (2). The cage body (1) is in a rectangular shape, and the four corners of the cage body (1) are provided with a drainage groove (6) in communication with the flow guide groove (4).

2. The sludge filter press cage flow guide device of claim 1, wherein: The plurality of groups of drainage holes (2) between the adjacent inner walls of the cage body (1) are staggered.

3. The sludge filter press cage flow guide device of claim 1, wherein: The lower part of the inner wall of the cage body (1) is provided with a drainage filter plate (5), the bottoms of the plurality of groups of drainage grooves (6) are connected through a drainage groove (11), the drainage filter plate (5) is in communication with the inner wall of the drainage groove (11), and one side of the drainage groove (11) is connected with a water collecting tank (8).

4. The sludge filter press cage flow guide device of claim 1, wherein: The tops of the plurality of groups of drainage grooves (6) are connected, and the tops of the drainage grooves (6) are connected with a negative pressure fan (7).

5. The sludge filter press cage flow guide device of claim 1, wherein: The flow guide groove (4) and the drainage groove (6) are connected through a through hole (9).

6. The sludge filter press cage flow guide device of claim 1, wherein: The four corners of the cage body (1) are provided with a flow guide hole (10) in communication with the drainage groove (6).

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