Sludge dewatering and recycling device

Abstract

The utility model relates to a sludge dewatering recovery device which comprises a machine body, a top frame and a material pushing plate, one side of the machine body is provided with a secondary flocculation mechanism and a material conveying mechanism, the other side of the machine body is provided with a vertical cavity, the bottom of the vertical cavity is provided with a motor I and a draining hole, the motor I is connected with a shaft rod I arranged in the vertical cavity, and the shaft rod I is provided with a spiral blade I; the top frame is arranged on the top of the vertical cavity, a first electric push rod is arranged on the top of the top frame and connected with a top cover, the top cover is aligned to the vertical cavity, the material pushing plate is arranged at the upper end of the first shaft rod and located between the lower portion of the top cover and the top of the vertical cavity, and when the first shaft rod drives the material pushing plate to rotate, sludge between the top of the vertical cavity and the top cover can be pushed towards the outer side of the vertical cavity; the secondary flocculation mechanism can stir and flocculate the sludge, and the conveying device can convey the sludge in the secondary flocculation mechanism into the bottom of the vertical cavity. According to the sludge dewatering device, sludge is subjected to secondary dewatering treatment in a spiral compression mode, sludge blockage in the treatment process can be avoided, and meanwhile the dewatering degree of the sludge can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sludge recycling technical field, especially relate to a sludge dewatering and recycling device. BACKGROUND

[0002] Sludge generated during the sewage treatment process needs to be recycled, which is considered from multiple aspects and is of great significance. On the one hand, sludge contains a large amount of organic matter, nitrogen, phosphorus, potassium and other nutrients. If discarded at will, not only will it cause waste of resources, but also may cause secondary pollution to the environment. On the other hand, recycling sludge helps to reduce the amount of waste emissions, which meets the requirements of environmental protection and sustainable development. The recycled sludge can have multiple uses, such as being used as high-quality organic fertilizer for agricultural production after treatment, providing rich nutrients for the soil, improving soil structure and enhancing soil fertility. It can also be used to make building materials such as bricks and ceramsite, realizing the recycling of resources. Part of the sludge can also be used for land reclamation to help repair damaged land ecosystems.

[0003] In the prior art, during the sewage treatment process, a filter screen is usually used to filter out sludge from the sewage for recycling, and then the sludge is loaded into a vehicle for sale to downstream enterprises for secondary processing. However, the problem is that the sold sludge still contains a large amount of water. This increases the weight during transportation, thereby increasing the transportation cost, and because the sludge has a high water content, it increases the difficulty of secondary processing of the sludge for downstream enterprises. SUMMARY

[0004] The utility model provides a kind of sludge dewatering and recycling device, secondary dewatering treatment is carried out to sludge using the mode of spiral compression, can avoid sludge jam in the process of processing, also can adjust the dewatering degree of sludge.

[0005] The utility model employs the technical scheme that:

[0006] A kind of sludge dewatering and recycling device, including machine body, top frame and multiple pusher plates, the side of the machine body is equipped with secondary flocculation mechanism and material conveying mechanism, the other side of the machine body is equipped with vertical cavity, the bottom of the vertical cavity is equipped with motor one and multiple drain holes, the motor one is connected with the shaft rod one rotatingly arranged in vertical cavity, the shaft rod one is equipped with spiral blade one, the top frame is located on the top of vertical cavity, the top of the top frame is equipped with electric push rod one, the electric push rod one is connected with top cover, the top cover is aligned with the top of vertical cavity, multiple pusher plates are intervally arranged on the upper end of shaft rod one, the pusher plate is located between the lower surface of top cover and the top of vertical cavity, when the shaft rod one drives pusher plate to rotate, sludge between the top of vertical cavity and top cover can be pushed to the outside of vertical cavity, the secondary flocculation mechanism can stir and flocculate sludge, the material conveying mechanism can convey sludge in secondary flocculation mechanism to the bottom of vertical cavity.

[0007] Further, the secondary flocculation mechanism comprises a stirring cavity arranged on one side of the machine body, a feeding hopper is arranged on the top of the stirring cavity, a stirring mechanism is arranged in the stirring cavity, and an electric discharge door connected with the material conveying mechanism is arranged on the bottom of the stirring cavity.

[0008] Further, the stirring mechanism comprises a second motor arranged on the top of the stirring cavity and a stirring rod assembly arranged in the stirring cavity, and the second motor is connected with the stirring rod assembly.

[0009] Further, the stirring rod assembly comprises a stirring shaft arranged in the stirring cavity, the stirring shaft is connected with the second motor, and a plurality of stirring rods are arranged on the stirring shaft.

[0010] Further, the electric discharge door comprises a discharge port arranged on the bottom of the stirring cavity, the discharge port is connected with the material conveying mechanism, a side cavity is arranged on the side wall of the discharge port, a baffle is slidably arranged in the side cavity, an electric push rod two is connected between the baffle and the end wall of the side cavity, and the electric push rod two is located in the side cavity and can drive the baffle to slide into or out of the discharge port.

[0011] Further, the material conveying mechanism comprises a horizontal cavity arranged below the stirring cavity, the horizontal cavity is connected with the discharge port and a vertical cavity respectively on the two sides, a shaft rod two is rotatably arranged in the horizontal cavity, a spiral blade two is arranged on the shaft rod two, and a third motor is arranged on the outer end wall of the horizontal cavity and connected with the shaft rod two.

[0012] Further, an annular cavity is arranged on the outer periphery of the lower end of the shaft rod two, the top of the annular cavity is connected with the lower end of the drainage hole, and a drain pipe is arranged at the bottom of the annular cavity and located away from the motor.

[0013] Further, a guide plate is arranged on the upper part of the vertical cavity.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The secondary flocculation mechanism is used for stirring and flocculating the sludge, so that the sludge is subjected to secondary flocculation, and then the material conveying mechanism is used for conveying the sludge in the secondary flocculation mechanism to the bottom of the vertical cavity, so that the cohesiveness of the sludge is further improved, and the dewatering effect of the sludge is improved.

[0016] 2. After the material conveying mechanism is used for conveying the sludge to the vertical cavity, the spiral blade one is used for conveying the sludge upward, under the action of gravity, the sludge can be dewatered, when the sludge is conveyed to the top of the vertical cavity, the sludge can be extruded by the top cover, so that the sludge in the vertical cavity can be further dewatered, the sewage in the vertical cavity can be discharged through the drainage hole, the dewatering effect is good, and in the conveying process, the shaft rod one is used for driving the push plate to rotate and push the sludge to the outside of the vertical cavity, so that the sludge discharge is prevented from being blocked.

[0017] 3. The top cover is lifted by the electric push rod, the distance between the top cover and the top of the vertical cavity can be adjusted, and the size of the discharging interval can be adjusted, so that the pressing degree of the sludge in the vertical cavity can be adjusted, and the dehydration degree of the sludge can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is Figure 1 the enlarged view of A in the figure;

[0020] Figure 3 It is Figure 1 the enlarged view of B in the figure;

[0021] Figure 4 It is a top view structure schematic view of the push plate;

[0022] Figure 5 It is a lateral structure schematic view of the guide plate;

[0023] In the figure: 1, machine body; 2, spiral blade one; 3, shaft rod one; 4, vertical cavity; 5, guide plate; 6, motor two; 7, feeding hopper; 8, stirring rod assembly; 9, stirring cavity; 10, discharging port; 11, baffle; 12, side cavity; 13, electric push rod two; 14, motor three; 15, spiral blade two; 16, shaft rod two; 17, horizontal cavity; 18, motor one; 19, annular cavity; 20, drain pipe; 21, top frame; 22, electric push rod one; 23, push plate; 24, top cover; 25, draining hole. DETAILED DESCRIPTION

[0024] In order to better understand the technical content of the utility model, the specific embodiments are provided below, and the utility model is further explained in combination with the drawings.

[0025] Referring to Figures 1 to 5The utility model provides a kind of sludge dewatering recovery device, including body 1, top frame 21 and multiple pusher plates 23, the right side of body 1 is equipped with secondary flocculation mechanism and material conveying mechanism, the left side of body 1 is vertically equipped with vertical cavity 4, vertical cavity 4 bottom is equipped with motor one 18 and multiple drain holes 25, motor one 18 is connected with rotating rod one 3, rotating rod one 3 is rotationally arranged in vertical cavity 4, shaft one 3 is fixedly equipped with helical blade one 2, is located in vertical cavity 4, top frame 21 is U-shaped structure, the lower end of both sides of top frame 21 is fixedly connected on the both sides of vertical cavity 4 top, the middle of top frame 21 top is fixedly equipped with electric push rod one 22, the telescopic end of electric push rod one 22 is connected with top cover 24, top cover 24 is vertically aligned with vertical cavity 4 top, multiple pusher plates 23 are fixedly arranged at the upper end of shaft one 3 with interval, pusher plate 23 is located between the lower surface of top cover 24 and vertical cavity 4 top, when shaft one 3 drives pusher plate 23 to rotate, sludge between vertical cavity 4 top and top cover 24 can be pushed to the outside of vertical cavity 4, secondary flocculation mechanism can stir and flocculate sludge, material conveying mechanism can transport sludge in secondary flocculation mechanism in vertical cavity 4 bottom;

[0026] After sludge needing dewatering is put in secondary flocculation mechanism, secondary flocculation mechanism can stir and flocculate sludge, so that sludge is flocculated again, and then material conveying mechanism transports sludge in secondary flocculation mechanism in vertical cavity 4 bottom, so that the unity of sludge can be promoted, and the dewatering effect of sludge is improved; in the process of transporting sludge in vertical cavity 4 by material conveying mechanism, shaft one 3 is rotated in vertical cavity 4 by motor one 18, shaft one 3 drives helical blade one 2 to rotate, and helical blade one 2 transports sludge upward, under the action of gravity, sludge can be dewatered, and when sludge is transported to vertical cavity 4 top, sludge can be extruded by top cover 24, so that sludge in vertical cavity 4 can be dewatered further, and sewage in vertical cavity 4 can be discharged through drain holes 25, the dewatering effect is good, and in the process of transporting, pusher plate 23 is rotated by shaft one 3, and pusher plate 23 pushes sludge to the outside of vertical cavity 4, so that sludge discharge is prevented from being blocked; in addition, before dewatering treatment, top cover 24 is lifted by electric push rod one 22, the distance between top cover 24 and vertical cavity 4 top can be adjusted, so that the size of discharge interval can be adjusted, the pressing degree of sludge in vertical cavity 4 can be adjusted, and the dewatering degree of sludge can be adjusted.

[0027] Preferably, secondary flocculation mechanism includes stirring cavity 9 arranged on the right side of body 1, stirring cavity 9 top is fixedly equipped with feeding hopper 7, flocculating agent and sludge are put in stirring cavity 9 through feeding hopper 7, stirring cavity 9 is equipped with stirring mechanism, and stirring cavity 9 bottom is equipped with electric discharge door connected to material conveying mechanism;

[0028] After flocculating agent and sludge are put in stirring cavity 9, stirring mechanism is used to stir sludge in stirring cavity 9, which is conducive to improving the flocculation effect of sludge, and after stirring and flocculation are completed, electric discharge door is opened, and sludge is discharged into conveying mechanism.

[0029] Preferably, the stirring mechanism comprises a second motor 6 arranged at the top of the stirring cavity 9 and a stirring rod assembly 8 arranged in the stirring cavity 9, the second motor 6 is connected to the stirring rod assembly 8, and the second motor 6 drives the stirring rod assembly 8 to rotate in the stirring cavity 9 to stir the sludge.

[0030] Preferably, the stirring rod assembly 8 comprises a stirring shaft arranged in the stirring cavity 9, the stirring shaft is connected to the second motor 6, and a plurality of stirring rods are arranged on the stirring shaft, the stirring rods are located in the stirring cavity 9, the second motor 6 drives the stirring shaft to rotate in the stirring cavity 9, and the stirring shaft drives the stirring rods to rotate in the stirring box.

[0031] Preferably, the electric discharge door comprises a discharge port 10 arranged at the bottom of the stirring cavity 9, the discharge port 10 is connected to the material conveying mechanism, a side cavity 12 is arranged on the side wall of the discharge port 10, a baffle 11 is slidably arranged in the side cavity 12, and an electric push rod 13 is connected between the baffle 11 and the end wall of the side cavity 12, the electric push rod 13 is located in the side cavity 12, and the electric push rod 13 can drive the baffle 11 to slide into the discharge port 10 or exit.

[0032] Before feeding into the stirring cavity 9, the electric push rod 13 needs to be controlled to extend to drive the baffle 11 to slide into the discharge port 10 to close the discharge door, when discharging is needed, the electric push rod 13 is controlled to shorten to drive the baffle 11 to slide back into the side cavity 12 to open the discharge port 10.

[0033] Preferably, the material conveying mechanism comprises a horizontal cavity 17 arranged below the stirring cavity 9, the horizontal cavity 17 is connected to the discharge port 10 and the vertical cavity 4 on both sides respectively, a shaft rod 16 is rotatably arranged in the horizontal cavity 17, a spiral blade 15 is arranged on the shaft rod 16, and a third motor 14 is connected to the outer end wall of the horizontal cavity 17;

[0034] The third motor 14 drives the shaft rod 16 to rotate in the horizontal cavity 17, and the shaft rod 16 drives the spiral blade 15 to rotate, so that the sludge in the horizontal cavity 17 can be conveyed into the vertical cavity 4.

[0035] Preferably, an annular cavity 19 is arranged on the outer periphery of the lower end of the shaft rod 1, the top of the annular cavity 19 is connected to the lower end of the drainage hole 25, and a drain pipe 20 is arranged at the bottom of the annular cavity 19, the drain pipe 20 is located away from the first motor 18, and the sewage flowing out of the drainage hole 25 enters the annular cavity 19 and then is discharged to the side away from the first motor 18 through the drain pipe 20, so as to avoid the adverse effect of the sewage on the first motor 18.

[0036] Preferably, the upper part of the vertical cavity 4 is inclined and provided with a guide plate 5, the guide plate 5 is fixedly sleeved on the vertical cavity 4, and the cross section of the guide plate 5 is in U-shaped structure, the sludge discharged from the top of the vertical cavity 4 after dehydration is discharged to the outside of the machine body through the guide plate 5, so as to facilitate the collection of the sludge.

[0037] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A sludge dewatering recovery apparatus, characterized by: The utility model provides a sludge treatment device, including body, top frame and a plurality of pushing plates, one side of the body is equipped with secondary flocculation mechanism and material conveying mechanism, the other side of the body is equipped with vertical cavity, the bottom of vertical cavity is equipped with motor one and a plurality of drain holes, the shaft rod one rotating in vertical cavity is connected to motor one, the spiral blade one is equipped on the shaft rod one, the top frame is equipped on the top of vertical cavity, the top of top frame is equipped with electric push rod one, electric push rod one is connected with top cover, top cover is aligned with the top of vertical cavity, a plurality of pushing plates are equidistantly arranged on the upper end of shaft rod one, the pushing plates are located between the lower surface of top cover and the top of vertical cavity, when the shaft rod one drives the pushing plates to rotate, the sludge between the top of vertical cavity and top cover can be pushed to the outside of vertical cavity, the secondary flocculation mechanism can stir and flocculate the sludge, and the material conveying mechanism can convey the sludge in the secondary flocculation mechanism to the bottom of vertical cavity.

2. A sludge dewatering and recovery apparatus according to claim 1, wherein: The secondary flocculation mechanism comprises a stirring cavity arranged on one side of the body, a feeding hopper arranged on the top of the stirring cavity, a stirring mechanism arranged in the stirring cavity, and an electric discharge door arranged at the bottom of the stirring cavity and connected to the material conveying mechanism.

3. A sludge dewatering and recovery apparatus as claimed in claim 2, wherein: The stirring mechanism comprises a motor two arranged on the top of the stirring cavity and a stirring rod assembly arranged in the stirring cavity, and the motor two is connected to the stirring rod assembly.

4. A sludge dewatering and recovery apparatus as claimed in claim 3, wherein: The stirring rod assembly comprises a stirring shaft arranged in the stirring cavity, the stirring shaft is connected to the motor two, and a plurality of stirring rods are arranged on the stirring shaft.

5. A sludge dewatering and recovery apparatus as claimed in any one of claims 2 to 4, wherein: The electric discharge door comprises a discharge port arranged at the bottom of the stirring cavity, the discharge port is connected to the material conveying mechanism, a side cavity is arranged on the side wall of the discharge port, a baffle is slidably arranged in the side cavity, an electric push rod two is connected between the baffle and the end wall of the side cavity, and the electric push rod two is located in the side cavity and can drive the baffle to slide into the discharge port or exit.

6. A sludge dewatering and recovery apparatus as claimed in claim 5, wherein: The material conveying mechanism comprises a horizontal cavity arranged below the stirring cavity, the horizontal cavity is connected to the discharge port and the vertical cavity on both sides respectively, a shaft rod two is rotatably arranged in the horizontal cavity, a spiral blade two is arranged on the shaft rod two, and a motor three is arranged on the outer end wall of the horizontal cavity and connected to the shaft rod two.

7. A sludge dewatering and recovery apparatus as claimed in any one of claims 1 to 4, wherein: An annular cavity is arranged on the outer periphery of the lower end of the shaft rod two, the top of the annular cavity is connected to the lower end of the drain hole, a drain pipe is arranged at the bottom of the annular cavity, and the drain pipe is located away from the motor one.

8. A sludge dewatering and recovery apparatus as claimed in any one of claims 1 to 4, wherein: A guide plate is obliquely arranged on the upper part of the vertical cavity.

Images