Sludge treatment system of sewage treatment plant

Abstract

The utility model discloses a sludge treatment system of a sewage treatment plant, and relates to the technical field of sludge treatment, the sludge treatment system comprises a base, one side of the base is fixedly connected with a first drying box, in the sludge treatment system, waste steam generated by heating and drying sludge is fed into a second drying box through operation of a second pump body to heat and dry the sludge in the second drying box; then, a first pump body works to drive hot air generated by heating and drying the sludge in the second drying box to enter a third connecting pipe from a second connecting pipe, and heat generated by drying the sludge in the first drying box and the second drying box can be recycled, so that the sludge drying treatment in the second drying box does not need to be additionally provided with a heat source; the energy consumption is reduced; and two third connecting pipes work to sequentially drive a plurality of rotating cylinders and flapping rods to rotate, and the flapping rods can stir the sludge on the conveying belt, so that the sludge drying effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a sludge treatment system of a sewage treatment plant. Background Art

[0002] Sewage treatment is the process of purifying sewage so that it meets the water quality requirements for discharge into a water body or reuse. Sludge is a by-product of sewage treatment and contains toxic and harmful substances. The sludge needs to be dehydrated first to facilitate subsequent harmless treatment.

[0003] In the prior art, when treating sludge, most of the time, the sludge is thermally dried through a staged combined process. In the process of each stage of the process, an external heat source needs to be provided, and the waste steam generated by its own drying is not recycled and reused. An external heat source is required to continuously provide the heat required for drying, resulting in a waste of energy and an increase in energy loss. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the heat in the waste steam generated by drying is not recovered, thereby increasing the energy loss, and proposes a sludge treatment system for a sewage treatment plant.

[0005] In order to achieve the above-mentioned objectives, the utility model adopts the following technical scheme: a sludge treatment system of a sewage treatment plant includes a base, one side of the base is fixedly connected to a first drying box, one side of the first drying box is provided with a second drying box, one side of the second drying box is fixedly connected to one side of the base, one side of the first drying box is fixedly connected to a heating box, one side of the heating box is fixedly connected to a fan, the other side of the heating box is fixedly connected to a first connecting pipe, the outer side of the first drying box is fixedly connected to a second pump body, the input end of the second pump body is fixedly connected to one side of the first drying box, the output end of the second pump body is fixedly connected to a third connecting pipe, the outside of the third connecting pipe is fixedly connected to the second connecting pipe, one end of the second connecting pipe is fixedly connected to the first pump body, and the input end of the first pump body is fixedly connected to one side of the second drying box.

[0006] Preferably, an electric heating pipe is fixedly connected to the interior of the heating box.

[0007] Preferably, the outer surfaces of the first connecting tube and the third connecting tube are fixedly connected to a plurality of fourth connecting tubes, and one end of the fourth connecting tube is rotatably connected to a rotating cylinder.

[0008] Preferably, one end of the rotating cylinder passes through one side of the first drying box and is rotatably connected to the other side of the first drying box, and a plurality of beating rods are fixedly connected to the outside of the rotating cylinder.

[0009] Preferably, the other end of the rotating cylinder is fixedly connected to a slave bevel gear, one side of the slave bevel gear is meshed with a main bevel gear, the middle part of the main bevel gear is fixedly connected to a rotating rod, one end of the rotating rod is fixedly connected to a third connecting pipe, and one side of the third connecting pipe is fixedly connected to one side of the first drying box.

[0010] Preferably, conveyor belts are installed inside the first drying box and inside the second drying box.

[0011] Preferably, one side of the first drying box and one side of the second drying box are both fixedly connected to a feed cylinder.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the waste steam generated by heating and drying the sludge is sent into the second drying box through the operation of the second pump body, and the internal sludge is heated and dried. Then the first pump body is operated to drive the hot air generated by heating and drying the sludge in the second drying box to enter the third connecting pipe from the second connecting pipe. The heat generated by drying the sludge in the first drying box and the second drying box can be recovered and reused, so that the sludge drying process in the second drying box does not need to be additionally configured with a heat source, thereby reducing energy consumption.

[0014] 2. In the utility model, during the process of hot air drying the sludge inside the first drying box and the second drying box, the two third connecting pipes work to drive the rotating rod to rotate, and through the engagement between the main bevel gear and the slave bevel gear, the multiple rotating cylinders and the beating rod are driven to rotate in turn. The beating rod can stir the sludge on the conveyor belt, thereby improving the drying effect of the sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural diagram of a sludge treatment system of a sewage treatment plant;

[0016] Figure 2 The utility model provides a schematic diagram of the internal cross-sectional structure of a sludge treatment system of a sewage treatment plant;

[0017] Figure 3 This is a schematic diagram of the connection structure of the first connecting pipe and the second connecting pipe of the sludge treatment system of the sewage treatment plant proposed by the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the rotating drum connection structure of the sludge treatment system of a sewage treatment plant.

[0019] Legend: 1. Base; 2. First connecting pipe; 3. Heating box; 4. First drying box; 5. Feeding barrel; 6. Second drying box; 7. First pump body; 8. Second connecting pipe; 9. Third connecting pipe; 10. Second pump body; 11. Conveyor belt; 12. Rotating rod; 13. Main bevel gear; 14. Slave bevel gear; 15. Fourth connecting pipe; 16. Rotating barrel; 17. Beating rod; 18. Fan; 19. Electric heating tube. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure. Embodiment 1

[0022] like Figure 1-4 As shown, the utility model provides a sludge treatment system for a sewage treatment plant, including a base 1, a first drying box 4 is fixedly connected to one side of the base 1, a second drying box 6 is arranged on one side of the first drying box 4, one side of the second drying box 6 is fixedly connected to one side of the base 1, a heating box 3 is fixedly connected to one side of the first drying box 4, a fan 18 is fixedly connected to one side of the heating box 3, a first connecting pipe 2 is fixedly connected to the other side of the heating box 3, a second pump body 10 is fixedly connected to the outer side of the first drying box 4, and an input end of the second pump body 10 is fixedly connected to the input end of the second pump body 10. It is fixedly connected to one side of the first drying box 4, the output end of the second pump body 10 is fixedly connected to the third connecting pipe 9, the outside of the third connecting pipe 9 is fixedly connected to the second connecting pipe 8, one end of the second connecting pipe 8 is fixedly connected to the first pump body 7, and the input end of the first pump body 7 is fixedly connected to one side of the second drying box 6; the inside of the heating box 3 is fixedly connected to the electric heating pipe 19; the outer surfaces of the first connecting pipe 2 and the third connecting pipe 9 are fixedly connected to multiple fourth connecting pipes 15, and one end of the fourth connecting pipe 15 is rotatably connected to the rotating cylinder 16.

[0023] The sludge is transported to the first drying box 4 and the second drying box 6 respectively through the feed cylinder 5. The internal structures of the first drying box 4 and the second drying box 6 are consistent. The conveyor belt 11 inside the first drying box 4 and the second drying box 6 works to drive the sludge to move. The fan 18 and the electric heating pipe 19 work together to heat the air inside the heating box 3 through the first connecting pipe 2 and the fourth connecting pipe 15 connected thereto. The fourth connecting pipe 15 is connected to one end of the rotating cylinder 16 in rotation. During the rotation of the rotating cylinder 16, the position of the fourth connecting pipe 15 does not rotate accordingly. The interior of the rotating cylinder 16 is hollow, and the outer wall of the rotating cylinder 16 is provided with a plurality of through holes. Hot air is opened from the outside of the rotating cylinder 16. The waste steam generated by heating and drying the sludge in the first drying box 4 flows out through the multiple through holes, and the sludge in the first drying box 4 is heated and dried. The second pump body 10 works, and the waste steam generated by heating and drying the sludge passes through the third connecting pipe 9 and the fourth connecting pipe 15 connected thereto, and flows out from the multiple through holes opened on the outside of the rotating cylinder 16, and the sludge in the second drying box 6 is heated and dried. Then the first pump body 7 works, and the hot air generated by heating and drying the sludge in the second drying box 6 enters the third connecting pipe 9 from the second connecting pipe 8. The heat generated by drying the sludge in the first drying box 4 and the second drying box 6 can be recovered and reused, so that the sludge drying process in the second drying box 6 does not need to be additionally configured with a heat source, thereby reducing energy consumption. Embodiment 2

[0024] like Figure 1 and Figure 2 As shown, one end of the rotating cylinder 16 passes through one side of the first drying box 4 and is rotatably connected to the other side of the first drying box 4, and a plurality of beating rods 17 are fixedly connected to the outside of the rotating cylinder 16; the other end of the rotating cylinder 16 is fixedly connected to a slave bevel gear 14, and a main bevel gear 13 is meshed with one side of the slave bevel gear 14, and a rotating rod 12 is fixedly connected to the middle of the main bevel gear 13, and one end of the rotating rod 12 is fixedly connected to a third connecting pipe 9, and one side of the third connecting pipe 9 is fixedly connected to one side of the first drying box 4; a conveyor belt 11 is installed inside the first drying box 4 and inside the second drying box 6; a feeding cylinder 5 is fixedly connected to one side of the first drying box 4 and one side of the second drying box 6.

[0025] In the process of hot air drying the sludge inside the first drying box 4 and the second drying box 6, the two third connecting pipes 9 work, driving the rotating rod 12 to rotate, and through the engagement between the main bevel gear 13 and the slave bevel gear 14, driving multiple rotating cylinders 16 and the beating rod 17 to rotate in turn. The beating rod 17 can stir the sludge on the conveyor belt 11, thereby improving the drying effect of the sludge.

[0026] The method of use and working principle of the device are as follows: first, the sludge is transported to the first drying box 4 and the second drying box 6 respectively through the feed cylinder 5. The internal structures of the first drying box 4 and the second drying box 6 are consistent. The conveyor belt 11 inside the first drying box 4 and the second drying box 6 works to drive the sludge to move. The fan 18 and the electric heating pipe 19 work together to heat the air inside the heating box 3 and pass through the first connecting pipe 2 and the fourth connecting pipe 15 connected thereto, and flow out from the multiple through holes opened on the outside of the rotating cylinder 16, thereby heating the sludge inside the first drying box 4. For heating and drying, the second pump body 10 works, and the waste steam generated by heating and drying the sludge passes through the third connecting pipe 9 and the fourth connecting pipe 15 connected thereto, and flows out from multiple through holes opened on the outside of the rotating cylinder 16, so as to heat and dry the sludge inside the second drying box 6. At the same time, the two third connecting pipes 9 work, driving the rotating rod 12 to rotate, and in turn driving the multiple rotating cylinders 16 and the beating rod 17 to rotate. The beating rod 17 can stir the sludge on the conveyor belt 11 to improve the drying effect of the sludge, and finally the dried sludge is uniformly recovered.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A sludge treatment system for a sewage treatment plant, comprising a base (1), characterized in that: A first drying box (4) is fixedly connected to one side of the base (1); a second drying box (6) is provided on one side of the first drying box (4); one side of the second drying box (6) is fixedly connected to one side of the base (1); a heating box (3) is fixedly connected to one side of the first drying box (4); a fan (18) is fixedly connected to one side of the heating box (3); a first connecting pipe (2) is fixedly connected to the other side of the heating box (3); a second pump body (10) is fixedly connected to the outside of the first drying box (4); an input end of the second pump body (10) is fixedly connected to one side of the first drying box (4); an output end of the second pump body (10) is fixedly connected to a third connecting pipe (9); an outside of the third connecting pipe (9) is fixedly connected to a second connecting pipe (8); one end of the second connecting pipe (8) is fixedly connected to the first pump body (7); and an input end of the first pump body (7) is fixedly connected to one side of the second drying box (6).

2. The sludge treatment system of a sewage treatment plant according to claim 1, characterized in that: An electric heating pipe (19) is fixedly connected to the interior of the heating box (3).

3. The sludge treatment system of a sewage treatment plant according to claim 1, characterized in that: The outer surfaces of the first connecting tube (2) and the third connecting tube (9) are both fixedly connected to a plurality of fourth connecting tubes (15), and one end of the fourth connecting tube (15) is rotatably connected to a rotating cylinder (16).

4. The sludge treatment system of a sewage treatment plant according to claim 3, characterized in that: One end of the rotating cylinder (16) passes through one side of the first drying box (4) and is rotatably connected to the other side of the first drying box (4), and a plurality of beating rods (17) are fixedly connected to the outside of the rotating cylinder (16).

5. The sludge treatment system of a sewage treatment plant according to claim 3, characterized in that: The other end of the rotating cylinder (16) is fixedly connected to a slave bevel gear (14), one side of the slave bevel gear (14) is meshed with a main bevel gear (13), the middle of the main bevel gear (13) is fixedly connected to a rotating rod (12), one end of the rotating rod (12) is fixedly connected to a third connecting pipe (9), and one side of the third connecting pipe (9) is fixedly connected to one side of the first drying box (4).

6. The sludge treatment system of a sewage treatment plant according to claim 1, characterized in that: Conveyor belts (11) are installed inside the first drying box (4) and inside the second drying box (6).

7. The sludge treatment system of a sewage treatment plant according to claim 1, characterized in that: One side of the first drying box (4) and one side of the second drying box (6) are both fixedly connected to a feed cylinder (5).

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