Fixed-axis rotary drum horizontal sludge dewatering device

Abstract

The utility model relates to the technical field of sludge dewatering devices, and discloses a fixed-shaft rotary drum horizontal sludge dewatering device which comprises a workbench and a horizontal sludge dewatering machine, the horizontal sludge dewatering machine is fixedly installed at the upper end of the workbench, supporting legs are fixedly installed at the lower end of the workbench and distributed in a rectangular shape, and the horizontal sludge dewatering machine is fixedly installed on the workbench. When the horizontal sludge dewatering equipment is used, dry sludge discharged from a sludge discharge port of the horizontal sludge dewatering equipment can be extruded and then discharged after being extruded into a cake shape, separated sewage is discharged through the first connecting pipe, the sewage is filtered through the filter plate in the filter box, and the sludge is filtered through the filter plate in the filter box. The sewage is filtered and purified and then discharged through the second connecting pipe, the filter plate can be conveniently taken out through the handle plate to be replaced after being used for a long time, and the sewage filtering device has the advantages of being high in practicability and capable of filtering the sewage.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge dewatering devices, in particular to a fixed-axis rotary drum horizontal sludge dewatering device. Background Art

[0002] Sludge is the inevitable product of sewage treatment in sewage treatment plants and sewage stations. Sludge that has not been properly treated and disposed of will directly cause secondary pollution to water bodies and the atmosphere after entering the environment, and will also pose a serious threat to the ecological environment and human activities. Therefore, sludge must be handled with great caution. The sludge dewatering machine plays the role of solid-liquid separation of sludge. The horizontal sludge dewatering machine is an efficient solid-liquid separation equipment made according to the principles of chemical flocculation contact filtration and mechanical extrusion. It is becoming more and more widely used because of its simple process flow, high level of automation, continuous operation, simple operation and adjustable task process.

[0003] Sludge dewatering machines are widely used due to their low energy consumption, relatively simple control and management, and easy maintenance. However, the sludge dewatering machines currently on the market have certain limitations. Most of the current sludge dewatering machines directly discharge the separated sewage into the external environment, causing secondary pollution. Therefore, it is necessary to design a fixed-axis rotary drum horizontal sludge dewatering device that is highly practical and can filter sewage. Utility Model Content

[0004] The purpose of the utility model is to provide a horizontal sludge dewatering device with a fixed-axis rotary drum to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: A fixed-axis rotary drum horizontal sludge dewatering device comprises a workbench and a horizontal sludge dewatering machine, the horizontal sludge dewatering machine is fixedly mounted on the upper end of the workbench, a supporting leg is fixedly mounted on the lower end of the workbench and the supporting legs are distributed in a rectangular shape, a mud inlet pipe is fixedly mounted through one end of the workbench, the mud inlet pipe is connected to the mud inlet of the horizontal sludge dewatering machine, a filter box is fixedly mounted on the upper end of the workbench, a first connecting pipe is fixedly mounted on the upper end of the filter box, the first connecting pipe is connected to the drain outlet of the horizontal sludge dewatering machine, a second connecting pipe is fixedly mounted on the lower end of the filter box, the second connecting pipe extends to the lower end of the workbench, a filter plate is provided in the filter box, a handle plate is fixedly mounted on one end of the filter plate, an embedding groove is provided at the front end of the filter box, the handle plate is embedded in the embedding groove, pull grooves are symmetrically provided on the handle plate, a lifting groove is provided at the lower end of the embedding groove, and a lifting assembly is provided in the lifting groove.

[0006] According to the above technical solution, a discharge port is provided through the other end of the workbench, and an extrusion box is provided at the upper end of the discharge port. The extrusion box is fixedly mounted on the upper end of the workbench through a first support rod and a second support rod, and the first support rod and the second support rod are symmetrically arranged on both sides of the extrusion box. The upper end of the extrusion box is connected to the mud discharge port of the horizontal sludge dewatering machine, and the lower end of the extrusion box is arranged above the discharge port. A cylinder is fixedly mounted on the upper end of the extrusion box, and the telescopic end of the cylinder extends into the extrusion box and is fixedly mounted with an extrusion plate. An electric gate is provided at the lower end of the extrusion box.

[0007] According to the above technical solution, the lifting assembly includes a first spring, a lifting sealing plate, a pulling block and a guide groove. The first spring is symmetrically fixedly installed at the bottom of the lifting groove. The telescopic ends of the first spring are jointly fixedly installed with the lifting sealing plate. The pulling block is fixedly installed on the side wall of the lifting sealing plate. The guide groove is opened through the side wall of the lifting groove, and the pulling block is movably installed in the guide groove.

[0008] According to the above technical solution, a placement groove is symmetrically opened at the upper end of the lifting sealing plate, a second spring is fixedly installed in the placement groove, a clamping block is fixedly installed at the telescopic end of the second spring, a limiting block is symmetrically fixedly installed on the clamping block, a limiting groove is symmetrically opened at the placement groove, the limiting block is movably installed in the corresponding limiting groove, a first clamping groove is symmetrically opened at the lower end of the handle plate, a second clamping groove is symmetrically opened at the upper end of the embedded groove, and the clamping block is movably installed in the first clamping slot or the second clamping slot.

[0009] According to the above technical solution, the number of the filter plates is a pair and they are arranged correspondingly up and down, and the embedding grooves are respectively arranged on the front and rear walls of the filter box and are staggered up and down.

[0010] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0011] (1) When the utility model is in use, the sludge dewatering operation is performed through the horizontal sludge dewatering machine, and the separated dry mud is discharged through the mud outlet of the horizontal sludge dewatering machine. Through the arrangement of the extrusion box, the cylinder, the extrusion plate and other components, the dry mud discharged from the mud outlet of the horizontal sludge dewatering machine can be squeezed, and the dry mud is squeezed into a cake shape and then discharged. A control device is provided on the outside of the electric gate, which is switched by the external control device. A mud cake collecting vehicle is provided under the discharge port, which can collect the mud cakes in a unified manner. The separated sewage is discharged through the first connecting pipe, and the sewage is filtered through the filter plate in the filter box. The sewage is filtered and purified, and then discharged through the second connecting pipe. After long-term use, the filter plate can be conveniently taken out and replaced through the handle plate.

[0012] (2) By providing the first spring, lifting sealing plate, pulling block and guide groove, the lifting sealing plate can be pushed upward along the direction of the guide groove by relying on the elastic force of the first spring, and by providing the placement groove, the second spring, the card block, the limit block and the limit groove, the card block can be clamped in the first card groove at the lower end of the handle plate by relying on the elastic force of the second spring, further fixing the handle plate and the filter plate so that they are firmly placed. At the same time, the card block has a limit when moving up and down, and can completely fit in the second card groove when it is extended to the maximum extent. The groove depth of the second card groove is greater than the groove depth of the first card groove, which can ensure the sealing of the lifting sealing plate. During the replacement of the filter plate, when there is no filter plate, it can play a role in sealing the lifting groove. When there is a filter plate, it can abut the handle plate to increase the placement stability of the handle plate and the filter plate. The handle plate and the filter plate can be taken out by pulling the pulling block downward.

[0013] (3) The number of filter plates is one pair and they are arranged correspondingly up and down. The embedded grooves are respectively arranged on the front and rear walls of the filter box and are staggered up and down. One filter plate can be placed at a time. When the filter plate needs to be replaced, another filter plate is put in, and then the filter plate that needs to be replaced is removed. The filter plate can be replaced without stopping the work, which saves the time of replacing the filter plate and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a first stereoscopic schematic diagram of the present utility model;

[0016] Figure 2 It is a second three-dimensional schematic diagram of the present utility model;

[0017] Figure 3 It is a third three-dimensional schematic diagram of the present utility model;

[0018] Figure 4 It is a schematic diagram of the main cross-sectional view of the utility model;

[0019] Figure 5 This is a three-dimensional schematic diagram of the filter plate of the utility model

[0020] Figure 6 This utility model Figure 4 A magnified schematic diagram of point A in the middle;

[0021] In the figure: 1-workbench, 2-horizontal sludge dewatering machine, 3-support leg, 4-mud inlet pipe, 5-filter box, 6-first connecting pipe, 7-second connecting pipe, 8-filter plate, 9-handle plate, 10-embedding groove, 11-pull groove, 12-lifting groove, 13-discharge port, 14-squeezing box, 15-first support rod, 16-second support rod, 17-cylinder, 18-squeezing plate, 19-electric gate, 20-first spring, 21-lifting sealing plate, 22-pulling block, 23-guide groove, 24-placement groove, 25-second spring, 26-block, 27-limiting block, 28-limiting groove, 29-first slot, 30-second slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-6The utility model provides a technical solution: a fixed-axis rotary drum horizontal sludge dewatering device, comprising a workbench 1 and a horizontal sludge dewatering machine 2, the horizontal sludge dewatering machine 2 is fixedly mounted on the upper end of the workbench 1, and the lower end of the workbench 1 is fixedly mounted with a supporting leg 3, and the supporting leg 3 is distributed in a rectangular shape. One end of the workbench 1 passes through and is fixedly mounted with a mud inlet pipe 4, and the mud inlet pipe 4 is connected to the mud inlet of the horizontal sludge dewatering machine 2. The upper end of the workbench 1 is fixedly mounted with a filter box 5, the upper end of the filter box 5 is fixedly mounted with a first connecting pipe 6, the first connecting pipe 6 is connected to the drain outlet of the horizontal sludge dewatering machine 2, the lower end of the filter box 5 is fixedly mounted with a second connecting pipe 7, and the second connecting pipe 7 extends to the lower end of the workbench 1. The filter box 5 is provided with a filter plate 8, and one end of the filter plate 8 is fixedly mounted with a handle plate 9. The front end of the filter box 5 is provided with an embedding groove 10, and the handle plate 9 is embedded in the embedding groove 10, and the handle plate 9 is symmetrically provided with a pull groove 11 The sludge is discharged through the mud outlet of the horizontal sludge dewatering machine 2, and the separated dry mud is discharged through the mud outlet of the horizontal sludge dewatering machine 2. The separated sewage is discharged through the first connecting pipe 6, and the sewage passes through the filter plate 8 in the filter box 5 to be filtered and purified, and then discharged through the second connecting pipe 7. After long-term use, the filter plate 8 can be conveniently taken out and replaced by the handle plate 9. Through the use of the lifting assembly, when there is no filter plate 8, the lifting groove 12 can be sealed. When there is a filter plate 8, the handle plate 9 can be abutted to increase the placement stability of the handle plate 9 and the filter plate 8. The handle plate 9 and the filter plate 8 can be taken out by pulling the pulling block 22 downward.

[0024] Specifically, the other end of the workbench 1 is provided with a discharge port 13, and the upper end of the discharge port 13 is provided with an extrusion box 14, and the extrusion box 14 is fixedly installed on the upper end of the workbench 1 through a first support rod 15 and a second support rod 16. The first support rod 15 and the second support rod 16 are symmetrically arranged on both sides of the extrusion box 14, and the upper end of the extrusion box 14 is connected to the mud discharge port of the horizontal sludge dewatering machine 2. The lower end of the extrusion box 14 is arranged above the discharge port 13, and the upper end of the extrusion box 14 is fixedly installed. There is a cylinder 17, the telescopic end of the cylinder 17 extends into the squeezing box 14 and is fixedly installed with a squeezing plate 18. The lower end of the squeezing box 14 is provided with an electric gate 19. Through the arrangement of the squeezing box 14, the cylinder 17, the squeezing plate 18 and other components, the dry mud discharged from the mud outlet of the horizontal sludge dewatering machine 2 can be squeezed, and the dry mud can be squeezed into a cake shape and then discharged. The electric gate 19 is provided with a control device outside, which is opened and closed by the external control device. A mud cake collection vehicle is provided below the discharge port 13, which can collect the mud cakes in a unified manner.

[0025] The lifting and sealing plate 21 is fixedly mounted on the bottom of the lifting groove 12, and the retractable ends of the first spring 20 are fixedly mounted on the lifting and sealing plate 21. The side wall of the lifting and sealing plate 21 is fixedly mounted on the pulling block 22. The guide groove 23 penetrates and is opened on the side wall of the lifting groove 12. The pulling block 22 is movably mounted in the guide groove 23. By virtue of the first spring 20, the lifting and sealing plate 21, the pulling block 22 and the guide groove 23, the lifting and sealing plate 21 can be pushed upward along the direction of the guide groove 23 by the elastic force of the first spring 20. When there is no filter plate 8, the lifting groove 12 can be sealed. When there is a filter plate 8, the handle plate 9 can be abutted to increase the placement stability of the handle plate 9 and the filter plate 8. The handle plate 9 and the filter plate 8 can be taken out by pulling the pulling block 22 downward.

[0026] Specifically, the upper end of the lifting sealing plate 21 is symmetrically provided with a placement groove 24, a second spring 25 is fixedly installed in the placement groove 24, a clamping block 26 is fixedly installed at the telescopic end of the second spring 25, and the clamping block 26 is symmetrically fixed with a limit block 27, the placement groove 24 is symmetrically provided with a limit groove 28, and the limit block 27 is movably installed in the corresponding limit groove 28, the lower end of the handle plate 9 is symmetrically provided with a first clamping groove 29, the upper end of the embedded groove 10 is symmetrically provided with a second clamping groove 30, and the clamping block 26 is movably installed in the first In the slot 29 or the second slot 30, by means of the placement slot 24, the second spring 25, the block 26, the limit block 27 and the limit slot 28, the block 26 can be clamped into the first slot 29 at the lower end of the handle plate 9 by the elastic force of the second spring 25, further fixing the handle plate 9 and the filter plate 8 so that they are firmly placed. At the same time, the block 26 has a limit when moving up and down, and can completely fit into the second slot 30 when it is extended to the maximum extent. The groove depth of the second slot 30 is greater than the groove depth of the first slot 29, which can ensure the sealing of the lifting sealing plate 21.

[0027] Specifically, the number of the filter plates 8 is a pair and they are arranged correspondingly up and down. The embedding grooves 10 are respectively arranged on the front and rear walls of the filter box 5 and are staggered up and down. One filter plate 8 can be placed at a time. When the filter plate 8 needs to be replaced, another filter plate 8 is placed in, and then the filter plate 8 that needs to be replaced is removed. The filter plate 8 can be replaced without stopping work, which saves the time for replacing the filter plate 8 and improves work efficiency.

[0028] Working principle: When the utility model is in use, the horizontal sludge dewatering machine 2 is a common rotary drum dewatering machine on the market, such as the horizontal screw centrifuge of Guangzhou Maihuang. The sludge is fed through the provided mud inlet pipe 4, and the sludge is dehydrated through the horizontal sludge dewatering machine 2. The separated dry mud is discharged through the mud outlet of the horizontal sludge dewatering machine 2. The dry mud discharged from the mud outlet of the horizontal sludge dewatering machine 2 can be squeezed by the arrangement of the squeezing box 14, the cylinder 17, the squeezing plate 18 and other components. After the dry mud is squeezed into a cake shape, it is discharged again. The electric gate 19 is provided with a control device outside. Through the external control device The filter plate 8 is filtered and purified by the filter box 5, and then discharged through the second connecting pipe 7. After long-term use, the filter plate 8 can be easily taken out and replaced through the handle plate 9. The first spring 20, the lifting sealing plate 21, the pulling block 22 and the guide groove 23 can be used to push the lifting sealing plate 21 upward along the direction of the guide groove 23 by relying on the elastic force of the first spring 20. The slot 24, the second spring 25, the card block 26, the limit block 27 and the limit slot 28 can rely on the elastic force of the second spring 25 to clamp the card block 26 into the first card slot 29 at the lower end of the handle plate 9, further fixing the handle plate 9 and the filter plate 8 so that they are firmly placed. At the same time, the card block 26 has a limit when moving up and down, and can completely fit into the second card slot 30 when it reaches its maximum extension. The groove depth of the second card slot 30 is greater than the groove depth of the first card slot 29, which can ensure the sealing of the lifting sealing plate 21. During the replacement of the filter plate 8, when there is no filter plate 8, it can play a role in sealing the lifting slot 12. When there is a filter plate 8, the handle plate 9 can be abutted to increase the placement stability of the handle plate 9 and the filter plate 8. The handle plate 9 and the filter plate 8 can be taken out by pulling the pulling block 22 downward. The number of filter plates 8 is a pair and they are arranged correspondingly up and down. The embedding grooves 10 are respectively arranged on the front and rear walls of the filter box 5 and are staggered up and down. One filter plate 8 can be placed at a time. When the filter plate 8 needs to be replaced, another filter plate 8 is put in, and then the filter plate 8 that needs to be replaced is removed. The filter plate 8 can be replaced without stopping work, which saves the time for replacing the filter plate 8 and improves work efficiency.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A horizontal sludge dewatering device with a fixed axis rotary drum, comprising a workbench (1) and a horizontal sludge dewatering machine (2), characterized in that: The horizontal sludge dewatering machine (2) is fixedly mounted on the upper end of the workbench (1); a support leg (3) is fixedly mounted on the lower end of the workbench (1), and the support leg (3) is distributed in a rectangular shape; a mud inlet pipe (4) is fixedly mounted through one end of the workbench (1); the mud inlet pipe (4) is connected to the mud inlet of the horizontal sludge dewatering machine (2); a filter box (5) is fixedly mounted on the upper end of the workbench (1); a first connecting pipe (6) is fixedly mounted on the upper end of the filter box (5); the first connecting pipe (6) is connected to the drainage outlet of the horizontal sludge dewatering machine (2); A second connecting pipe (7) is fixedly installed at the lower end of the filter box (5), and the second connecting pipe (7) extends to the lower end of the workbench (1). A filter plate (8) is provided in the filter box (5), and a handle plate (9) is fixedly installed at one end of the filter plate (8). An embedding groove (10) is provided at the front end of the filter box (5), and the handle plate (9) is embedded in the embedding groove (10). Pull grooves (11) are symmetrically provided on the handle plate (9). A lifting groove (12) is provided at the lower end of the embedding groove (10), and a lifting component is provided in the lifting groove (12).

2. The fixed-axis rotary drum horizontal sludge dewatering device according to claim 1, characterized in that: The other end of the workbench (1) is provided with a discharge port (13), and the upper end of the discharge port (13) is provided with an extrusion box (14). The extrusion box (14) is fixedly mounted on the upper end of the workbench (1) through a first support rod (15) and a second support rod (16). The first support rod (15) and the second support rod (16) are symmetrically arranged on both sides of the extrusion box (14). The upper end of the extrusion box (14) is connected to the mud discharge port of the horizontal sludge dewatering machine (2). The lower end of the extrusion box (14) is arranged above the discharge port (13). A cylinder (17) is fixedly mounted on the upper end of the extrusion box (14). The telescopic end of the cylinder (17) extends into the extrusion box (14) and is fixedly mounted with an extrusion plate (18). The lower end of the extrusion box (14) is provided with an electric gate (19).

3. The fixed-axis rotary drum horizontal sludge dewatering device according to claim 1, characterized in that: The lifting assembly comprises a first spring (20), a lifting sealing plate (21), a pulling block (22) and a guide groove (23); the first spring (20) is symmetrically fixedly installed at the bottom of the lifting groove (12); the telescopic end of the first spring (20) is fixedly installed with the lifting sealing plate (21); the side wall of the lifting sealing plate (21) is fixedly installed with the pulling block (22); the guide groove (23) is opened through the side wall of the lifting groove (12); and the pulling block (22) is movably installed in the guide groove (23).

4. The fixed-axis rotary drum horizontal sludge dewatering device according to claim 3, characterized in that: The upper end of the lifting sealing plate (21) is symmetrically provided with a placement groove (24), a second spring (25) is fixedly installed in the placement groove (24), a clamping block (26) is fixedly installed at the telescopic end of the second spring (25), a limit block (27) is symmetrically fixedly installed on the clamping block (26), the placement groove (24) is symmetrically provided with a limit groove (28), the limit block (27) is movably installed in the corresponding limit groove (28), the lower end of the handle plate (9) is symmetrically provided with a first clamping groove (29), the upper end of the embedding groove (10) is symmetrically provided with a second clamping groove (30), the clamping block (26) is movably installed in the first clamping groove (29) or the second clamping groove (30).

5. The fixed-axis rotary drum horizontal sludge dewatering device according to claim 1, characterized in that: The number of the filter plates (8) is a pair and they are arranged correspondingly up and down, and the embedding grooves (10) are respectively arranged on the front and rear walls of the filter box (5) and are staggered up and down.

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