CN220788352U

CN220788352U - Sludge dewatering device

Info

Publication number: CN220788352U
Application number: CN202322297919.9U
Authority: CN
Inventors: 朱静; 纪新运
Original assignee: Suzhou Aiyuan Environmental Technology Co ltd
Current assignee: Suzhou Aiyuan Environmental Technology Co ltd
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-04-16
Anticipated expiration: 2033-08-25

Abstract

The utility model discloses a sludge dewatering device in the technical field of sludge treatment, and aims to solve the problems that in the prior art, when the sludge dewatering device performs pressure extrusion dewatering on sludge, residual sludge is always accumulated in the device after the extrusion is completed, and cleaning of the device is difficult to perform. The device comprises a box body, wherein an extrusion box is arranged in the box body, a feeding pipe is arranged on the outer wall of the extrusion box, the bottom of the extrusion box is rotationally connected with a bottom plate, a filter screen is detachably connected on the bottom plate, a driving mechanism is arranged on the outer wall of the extrusion box, a guiding mechanism is arranged at the bottom of the extrusion box, and a drying mechanism is arranged in the box body; the utility model is suitable for sludge dewatering, the pressing plate can scrape the sludge on the inner wall of the extrusion box, the scraping plate can scrape the sludge on the bottom plate, and the pressing plate is convenient to clean at the moment, so that residual sludge is prevented from accumulating in the extrusion box after the extrusion work is finished, and the interior of the extrusion box is not required to be cleaned.

Description

Sludge dewatering device

Technical Field

The utility model relates to a sludge dewatering device, and belongs to the technical field of sludge treatment.

Background

Sludge is a product after sewage treatment, and is a substance which consists of organic residues, bacterial cells, inorganic particles, colloid and the like and is complex. The main characteristics of the sludge are high water content up to 99%, high organic matter content, easy decomposition and stinking, fine particles and small specific gravity. It is a thick matter between a liquid and a solid. In order to avoid pollution of the sludge to the environment, the sludge is generally required to be dehydrated after sewage treatment. Sludge dewatering is the process of removing water from sludge and converting fluid sludge into semi-solid or solid sludge blocks. The conventional sludge dewatering method is mainly mechanical dewatering, such as pressure extrusion dewatering, centrifugal dewatering and the like.

When the sludge dewatering device in the prior art performs pressure extrusion dewatering operation on sludge, residual sludge is often accumulated in the device after the extrusion operation is completed, and cleaning operation on the inside of the device is difficult to perform, so that the practicability of the device is affected.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a sludge dewatering device, which solves the problems that when the sludge dewatering device performs pressure extrusion dewatering on sludge, residual sludge is always accumulated in the device after the extrusion is completed, and cleaning of the device is difficult to perform.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

the utility model provides a sludge dewatering device, which comprises a box body, wherein an extrusion box is arranged in the box body, a feeding pipe is arranged on the outer wall of the extrusion box, the bottom of the extrusion box is rotationally connected with a bottom plate, a filter screen is detachably connected to the bottom plate, a driving mechanism for driving the bottom plate to rotate is arranged on the outer wall of the extrusion box, a guiding-out mechanism is arranged below the filter screen at the bottom of the extrusion box, and a drying mechanism is arranged below the extrusion box in the box body;

the extrusion case inner wall matches and is equipped with sliding connection's clamp plate, extrusion case inner wall top is equipped with and is used for the drive the cylinder of clamp plate motion, the clamp plate outer wall is close to actuating mechanism one side has seted up logical groove, logical inslot wall is equipped with sliding connection's scraper blade, the scraper blade pass through the spring with logical inslot wall elastic connection.

Further, the filter screen is detachably connected with the bottom plate through bolts.

Further, the guiding mechanism comprises a first funnel and a hose, the first funnel is communicated with the hose, one end of the hose extends to the outer side of the box body, and the first funnel is detachably connected with the filter screen through the bolt.

Further, the drying mechanism comprises a drying box arranged at the bottom of the inner wall of the box body, a collecting box is arranged at the bottom of the inner wall of the drying box, a plurality of air outlet pipes are arranged above the collecting box on the inner wall of the drying box, an air heater is arranged on the outer wall of the drying box, and the air outlet pipes are communicated with the air heater.

Further, the drying box inner wall is equipped with sliding connection's supporting shoe, the drying box inner wall is equipped with and is used for the drive the electric telescopic handle that the supporting shoe goes up and down, in the supporting shoe the clamp plate below is equipped with two-way motor, one of them output cover of two-way motor is equipped with first puddler, another output cover of two-way motor is equipped with the second puddler.

Further, a first outlet is formed in one side of the collecting box on the inner wall of the drying box, and a second outlet is formed in one side of the first outlet on the inner wall of the box body.

Further, the first outlet is rotatably connected with a first baffle, and the second outlet is rotatably connected with a second baffle.

Further, one end of the feeding pipe extends to the outer side of the box body and is provided with a second funnel.

Further, the driving mechanism is a servo motor.

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

1. according to the sludge dewatering device, after the pressure extrusion dewatering operation is finished on sludge, the bottom plate can be controlled to rotate downwards, so that the sludge falls into the drying mechanism for further dewatering, the air cylinder drives the pressing plate to continuously descend, the pressing plate can scrape the sludge on the inner wall of the extrusion box, when the pressing plate moves on one side of the bottom plate, the spring pushes the pressing plate to contact with the bottom plate, the pressing plate can scrape the sludge on the bottom plate, and the pressing plate is positioned below the extrusion box at the moment, so that the cleaning is convenient, the phenomenon that residual sludge is accumulated in the extrusion box after the extrusion operation is finished is avoided, and the cleaning of the interior of the extrusion box is not needed, so that the cleaning operation of the device is simplified, and the practicability of the device is ensured;

2. according to the utility model, sludge at the bottom of the pressing plate can be scraped without cleaning the pressing plate, so that the cleaning effect of the device is further ensured, the scraped sludge falls into the collecting box, and after the cleaning of the pressing plate is completed, the electric telescopic rod drives the supporting block to descend, so that the second stirring rod moves into the collecting box, and the sludge in the collecting box is stirred, so that the drying and dewatering effects of the hot air blower on the sludge are ensured, and the working effect of the device is ensured.

Drawings

Fig. 1 is a schematic front view in cross section of a sludge dewatering device according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an enlarged schematic view at B in fig. 1.

In the figure: 1. a case; 2. an extrusion box; 3. a feed pipe; 4. a bottom plate; 5. a filter screen; 6. a pressing plate; 7. a cylinder; 8. a through groove; 9. a scraper; 10. a spring; 11. a bolt; 12. a first funnel; 13. a hose; 14. a drying box; 15. a collection box; 16. an air outlet pipe; 17. a support block; 18. an electric telescopic rod; 19. a bi-directional motor; 20. a first stirring rod; 21. a second stirring rod; 22. and a second funnel.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1-3, the utility model provides a sludge dewatering device, which comprises a box body 1, wherein an extrusion box 2 is arranged in the box body 1, a feeding pipe 3 is arranged on the outer wall of the extrusion box 2, a bottom plate 4 is rotatably connected to the bottom of the extrusion box 2, a filter screen 5 is detachably connected to the bottom plate 4, a driving mechanism for driving the bottom plate 4 to rotate is arranged on the outer wall of the extrusion box 2, a guiding mechanism is arranged below the filter screen 5 at the bottom of the extrusion box 2, and a drying mechanism is arranged below the extrusion box 2 in the box body 1; the extrusion case 2 inner wall matches and is equipped with sliding connection's clamp plate 6, extrusion case 2 inner wall top is equipped with and is used for the drive clamp plate 6 motion's cylinder 7, the clamp plate 6 outer wall is close to actuating mechanism one side has seted up logical groove 8, logical groove 8 inner wall is equipped with sliding connection's scraper blade 9, scraper blade 9 pass through spring 10 with logical groove 8 inner wall elastic connection.

Specifically, when the sludge needs to be dehydrated, the sludge to be treated is placed in the feed pipe 3, then the sludge enters the extrusion box 2 through the feed pipe 3, at the moment, the bottom plate 4 blocks the bottom of the extrusion box 2, the extrusion box 2 is fixed at the top of the inner wall of the box body 1, after the sludge in the extrusion box 2 is added, the cylinder 7 starts to work and drives the pressing plate 6 to move downwards, so that the sludge on the bottom plate 4 is extruded, the preliminary dehydration is carried out on the sludge, the water extruded by the sludge is led out through the leading-out mechanism, after the extrusion is finished on the sludge, the bottom plate 4 is driven by the driving mechanism to rotate downwards for ninety degrees at the moment, the bottom plate 4 does not block the sludge any more, at the moment, the sludge falls into the drying mechanism below due to the gravity of the self-body to carry out further dehydration, at this time, part of sludge is accumulated on the inner wall of the extrusion box 2 and the bottom plate 4, the air cylinder 7 drives the pressing plate 6 to move downwards continuously, the pressing plate 6 can scrape the sludge on the inner wall of the extrusion box 2, when the pressing plate 6 moves to the lower part of the extrusion box 2 and is positioned on one side of the bottom plate 4, the extrusion box 2 does not limit the scraping plate 9, the spring 10 can push the scraping plate 9 to move to the outer side of the through groove 8, so that the scraping plate 9 is tightly attached to the side wall of the bottom plate 4, the scraping plate 9 moves along with the pressing plate 6 along with the continuous downwards movement of the pressing plate 6, the sludge scraped by the inner walls of the bottom plate 4 and the extrusion box 2 is scraped by the pressing plate 6 to fall into the drying mechanism, the pressing plate 6 is positioned below the extrusion box 2 at this time, the cleaning is convenient, the air cylinder 7 drives the pressing plate 6 to restore to the original position upwards after the cleaning is finished, the driving mechanism drives the bottom plate 4 to rotate back to the original position so as to facilitate the next work; optionally, the vertical section of the scraping plate 9 is trapezoid, and when the air cylinder 7 drives the pressing plate 6 to restore to the original position, the side wall of the extrusion box 2 is contacted with the inclined surface of the scraping plate 9, so that the scraping plate 9 is conveniently pushed back to the inside of the through groove 8, and the normal operation of the device is prevented from being influenced; optionally, the driving mechanism is a servo motor; optionally, the inlet pipe 3 one end extends to the box 1 outside and is equipped with second funnel 22, can place mud in second funnel 22, accomplish the interpolation work of mud, simultaneously, the quantity of single interpolation mud has been restricted to the height of inlet pipe 3, avoids single interpolation mud too much, influences the work effect of device.

According to the utility model, through the cooperation of the pressing plate 6, the scraping plate 9 and the spring 10, after the pressure extrusion dehydration of the sludge is completed, the bottom plate 4 can be controlled to rotate downwards, so that the sludge falls into the drying mechanism for further dehydration, the air cylinder 7 drives the pressing plate 6 to continuously descend, the pressing plate 6 can scrape the sludge on the inner wall of the extrusion box 2, when the pressing plate 6 moves on one side of the bottom plate 4, the spring 10 pushes the scraping plate 9 to be in contact with the bottom plate 4, the scraping plate 9 can scrape the sludge on the bottom plate 4, and at the moment, the pressing plate 6 is positioned below the extrusion box 2, so that the cleaning is convenient, the phenomenon that residual sludge is accumulated in the extrusion box 2 after the extrusion is completed is avoided, and the cleaning of the inside of the extrusion box 2 is not needed, so that the cleaning work of the device is simplified, and the practicability of the device is ensured.

As shown in fig. 3, in one embodiment, the filter screen 5 is detachably connected with the bottom plate 4 through a bolt 11, the guiding mechanism includes a first funnel 12 and a hose 13, the first funnel 12 is communicated with the hose 13, one end of the hose 13 extends to the outside of the box 1, and the first funnel 12 is detachably connected with the filter screen 5 through the bolt 11.

Specifically, when the pressing plate 6 is used for pressing the sludge in the pressing box 2, the pressed water flows out through the filter screen 5 and then enters the first funnel 12 for collection, and finally can be discharged out of the box 1 through the hose 13 for collection, and when the bottom plate 4 rotates, the filter screen 5, the first funnel 12 and the hose 13 can move along with the bottom plate 4, so that the normal operation of the device is prevented from being influenced; optionally, the bottom plate 4, the first funnel 12 and the filter screen 5 are detachably connected through bolts 11; optionally, an annular block for fixing the bolts 11 is sleeved below the bottom plate 4 on the outer wall of the filter screen 5.

An embodiment, stoving mechanism is including locating stoving case 14 of box 1 inner wall bottom, collection box 15 has been placed to stoving case 14 inner wall bottom, stoving case 14 inner wall in collection box 15 top is equipped with a plurality of tuber pipes 16, stoving case 14 outer wall is equipped with the air heater, a plurality of tuber pipes 16 all with the air heater intercommunication.

Specifically, when the servo motor drives the bottom plate 4 to rotate, sludge in the extrusion box 2 and scraped sludge fall into the collecting box 15, and at the moment, the air heater can be started, and the air heater performs further drying and dewatering operation on the sludge in the collecting box 15 through the plurality of air outlet pipes 16.

In one embodiment, a supporting block 17 in sliding connection is arranged on the inner wall of the drying box 14, an electric telescopic rod 18 for driving the supporting block 17 to lift is arranged on the inner wall of the drying box 14, a bidirectional motor 19 is arranged below the pressing plate 6 in the supporting block 17, one output end of the bidirectional motor 19 is sleeved with a first stirring rod 20, and the other output end of the bidirectional motor 19 is sleeved with a second stirring rod 21.

Specifically, when the servo motor drives the bottom plate 4 to rotate, the air cylinder 7 drives the pressing plate 6 to move to the lower part of the extrusion box 2, at the moment, the electric telescopic rod 18 can be controlled to drive the supporting block 17 to ascend, so that the first stirring rod 20 is driven to ascend until the first stirring rod 20 contacts with the bottom of the pressing plate 6, at the moment, the bidirectional motor 19 is started, the first stirring rod 20 and the second stirring rod 21 are driven to synchronously rotate, so that sludge at the bottom of the pressing plate 6 can be scraped, cleaning work on the pressing plate 6 is not needed, the cleaning effect of the device is further ensured, the scraped sludge falls into the collecting box 15, and after the cleaning work on the pressing plate 6 is completed, the electric telescopic rod 18 drives the supporting block 17 to descend, so that the second stirring rod 21 moves into the collecting box 15, and the sludge in the collecting box 15 is stirred, so that the drying and dewatering effects of a hot air blower on the sludge are ensured, and the working effect of the device is ensured; optionally, the supporting block 17 is cylindrical, so as to avoid sludge accumulation on the top of the supporting block 17.

As shown in fig. 1, in one embodiment, a first outlet is formed in one side of the collecting box 15 on the inner wall of the drying box 14, a second outlet is formed in one side of the first outlet on the inner wall of the box body 1, a first baffle is rotatably connected to the first outlet, and a second baffle is rotatably connected to the second outlet.

When the device is used, after the drying and dewatering work of the sludge in the collecting box 15 is completed, the first baffle and the second baffle can be opened, and the collecting box 15 is taken out through the first outlet and the second outlet to be replaced, so that the next processing work is facilitated, and the convenience of the device is guaranteed.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The sludge dewatering device is characterized by comprising a box body (1), wherein an extrusion box (2) is arranged in the box body (1), a feeding pipe (3) is arranged on the outer wall of the extrusion box (2), a bottom plate (4) is rotationally connected to the bottom of the extrusion box (2), a filter screen (5) is detachably connected to the bottom plate (4), a driving mechanism for driving the bottom plate (4) to rotate is arranged on the outer wall of the extrusion box (2), a guiding mechanism is arranged below the filter screen (5) at the bottom of the extrusion box (2), and a drying mechanism is arranged below the extrusion box (2) inside the box body (1);

the device is characterized in that a pressing plate (6) in sliding connection is arranged on the inner wall of the extrusion box (2) in a matched mode, a cylinder (7) used for driving the pressing plate (6) to move is arranged on the top of the inner wall of the extrusion box (2), a through groove (8) is formed in one side, close to the outer wall of the pressing plate (6), of the driving mechanism, a scraping plate (9) in sliding connection is arranged on the inner wall of the through groove (8), and the scraping plate (9) is in elastic connection with the inner wall of the through groove (8) through a spring (10).

2. Sludge dewatering device according to claim 1, characterized in that the filter screen (5) is detachably connected to the bottom plate (4) by means of bolts (11).

3. Sludge dewatering equipment according to claim 2, characterized in that the guiding-out mechanism comprises a first funnel (12) and a hose (13), the first funnel (12) is communicated with the hose (13), one end of the hose (13) extends to the outside of the box body (1), and the first funnel (12) is detachably connected with the filter screen (5) through the bolt (11).

4. The sludge dewatering device according to claim 1, wherein the drying mechanism comprises a drying box (14) arranged at the bottom of the inner wall of the box body (1), a collecting box (15) is arranged at the bottom of the inner wall of the drying box (14), a plurality of air outlet pipes (16) are arranged on the inner wall of the drying box (14) above the collecting box (15), a hot air blower is arranged on the outer wall of the drying box (14), and a plurality of air outlet pipes (16) are communicated with the hot air blower.

5. The sludge dewatering device according to claim 4, wherein a supporting block (17) in sliding connection is arranged on the inner wall of the drying box (14), an electric telescopic rod (18) for driving the supporting block (17) to lift is arranged on the inner wall of the drying box (14), a bidirectional motor (19) is arranged below the pressing plate (6) in the supporting block (17), a first stirring rod (20) is sleeved at one output end of the bidirectional motor (19), and a second stirring rod (21) is sleeved at the other output end of the bidirectional motor (19).

6. The sludge dewatering device according to claim 4, wherein a first outlet is formed in the inner wall of the drying box (14) at one side of the collecting box (15), and a second outlet is formed in the inner wall of the box body (1) at one side of the first outlet.

7. The sludge dewatering device according to claim 6, wherein a first baffle is rotatably connected to the first outlet, and a second baffle is rotatably connected to the second outlet.

8. Sludge dewatering device according to claim 1, characterized in that one end of the feed pipe (3) extends outside the tank (1) and is provided with a second funnel (22).

9. The sludge dewatering device according to claim 1, wherein the driving mechanism is a servo motor.