CN215742110U

CN215742110U - Sewage and sludge separation device for urban sewage treatment

Info

Publication number: CN215742110U
Application number: CN202120976291.3U
Authority: CN
Inventors: 余萱萱; 周晓飞; 许友仁
Original assignee: Nanjing Best Environmental Protection Equipment Co ltd
Current assignee: Nanjing Best Environmental Protection Equipment Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-02-08
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a sewage and sludge separating device for urban sewage treatment, which belongs to the technical field of sewage and sludge separation and comprises a motor, wherein the output end of the motor is fixedly connected with a rotating shaft, the bottom of the rotating shaft penetrates through a separating box shell and a separating plate and extends to the bottom of an inner cavity of the separating box shell, a plurality of groups of stirring plates are fixedly sleeved on the side wall of the rotating shaft, a rotating disc is fixedly sleeved in the middle of the rotating shaft, a plurality of groups of first sludge scraping plates are fixedly connected on the side wall of the rotating disc, a filter box is fixedly connected on the upper part of the separating plate, a connecting block is fixedly connected at the bottom of the rotating shaft, a second sludge scraping plate is fixedly connected on the side wall of the connecting block, and a spiral conveying rod is welded at the bottom of the connecting block. The motor drives the stirring plate to rotate to generate centrifugal force to carry out solid-liquid separation on sewage and sludge, and the sludge scraper is provided with a plurality of groups of sludge scraping plates, so that the problem that the sludge blocks a leak hole in the separation process to cause difficult separation can be prevented, and the separation efficiency is improved.

Description

Sewage and sludge separation device for urban sewage treatment

Technical Field

The utility model relates to the technical field of sewage and sludge separation, in particular to a sewage and sludge separation device for urban sewage treatment.

Background

The sewage treatment is a process for making sewage meet the water quality requirement for draining a certain water body or reusing the sewage and purifying the sewage, the production amount of the sewage and the sludge is rapidly increased along with the development and the industrialization of the society, wherein the industrial sludge is a mixture of solids produced by various industrial production and water, oil, chemical pollution and organic matters, the sludge is a product after the sewage treatment and is an extremely complex heterogeneous body consisting of organic residues, bacterial cells, inorganic particles, colloids and the like, the sludge has the main characteristics of high water content, high organic matter content, easy decomposition and odor generation and colloidal liquid state, is a thick substance between liquid and solid and can be transported by a pump, but the sludge is difficult to be separated by sedimentation, the traditional sludge separation device can not completely separate the sludge, and reduces the sewage treatment efficiency, and part of sludge is adhered in the device and affects the sludge separation effect after being accumulated.

Aiming at the defects of the existing device, the utility model provides a sewage and sludge separation device for urban sewage treatment, wherein a stirring plate and a plurality of groups of sludge scraping plates are driven by a motor to rotate to generate centrifugal force, so that solid-liquid separation is performed on the sewage and sludge on two sides, and the sludge can be cleaned by the plurality of groups of sludge scraping plates, so that the problem of difficult separation caused by blockage of a leak hole by the sludge in the separation process is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sewage and sludge separation device for urban sewage treatment, which aims to solve the problems of incomplete separation and low separation efficiency in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a sewage and sludge separation device for urban sewage treatment comprises a separation box shell, wherein the top of the separation box shell is fixedly connected with a motor, a partition plate is fixedly connected to the middle part of the inner cavity of the shell of the separation box, the bottom of the inner cavity of the shell of the separation box is welded with the separation box, the outer side of the motor is fixedly connected with a bracket through a bolt, the output end of the motor is fixedly connected with a rotating shaft, the bottom of the rotating shaft penetrates through the outer shell of the separation box and the partition plate, and extends to the bottom of the inner cavity of the shell of the separation box, a plurality of groups of stirring plates are fixedly sleeved on the side wall of the rotating shaft, a turntable is fixedly sleeved in the middle of the rotating shaft, a plurality of groups of first mud scraping plates are fixedly connected with the side wall of the turntable, the upper part of the partition plate is fixedly connected with a filter box, the bottom of the rotating shaft is fixedly connected with a connecting block, the connecting block lateral wall fixedly connected with second mud scraper, the welding of connecting block bottom has the spiral transfer bar.

Preferably, the outer end of the stirring plate is in contact with the filter box, the stirring plate is positioned on the upper portion of the rotary table, and the first mud scraping plate is of an arc-shaped structure and is obliquely arranged on the side wall of the rotary table.

Preferably, first weeping holes are formed in the surface of the partition plate and the side wall of the filter box, and a second sludge outlet is formed in the side wall of the bottom of the filter box.

Preferably, the bottom of the separation box shell is fixedly connected with a supporting plate, four corners of the bottom of the supporting plate are fixedly connected with supporting legs, the middle of the separation box penetrates through the supporting plate and extends to the bottom of the supporting plate, and two groups of second leakage holes are formed in the side wall of the separation box.

Preferably, the second mud scraper outside contacts with the separator box, a first mud outlet is formed in the bottom of the separator box, a water outlet box is welded on the outer side of the first mud outlet, a gap is reserved between the outer side wall of the separator box and the outer shell of the separator box as well as between the outer side wall of the separator box and the inner cavity of the water outlet box, and a water outlet is formed in the bottom of the water outlet box.

Preferably, the separation box shell top fixedly connected with water tank, the water tank lateral wall runs through there is the outlet pipe, the outlet pipe runs through the separation box shell and extends to inside the rose box, outlet pipe bottom fixedly connected with multiunit shower nozzle.

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

(1) according to the utility model, the rotating shaft and the stirring plate are driven by the motor to enable sewage and sludge to rotate in the filter box, the stirring plate rotates to generate centrifugal force, the sewage flows into the separation box through the first leakage hole, the second mud scraper in the separation box can stir the separated sewage and sludge again, and secondary solid-liquid separation is carried out on the sewage and sludge again through the centrifugal force, so that the sewage and sludge can be more thoroughly separated through the secondary separation.

(2) When solid-liquid separation is carried out, sludge can be attached to the surfaces of the inner cavities of the filter box and the separation box through centrifugal force, the first leakage hole and the second leakage hole are blocked, and the discharge of sewage can be influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a three-dimensional structure of a sewage-sludge separation device for municipal sewage treatment according to the present invention;

FIG. 2 is an overall sectional view of a sewage-sludge separating apparatus for municipal sewage treatment according to the present invention;

FIG. 3 is a schematic view of the internal structure of a sewage-sludge separation apparatus for municipal sewage treatment according to the present invention;

FIG. 4 is a schematic view of a partial structure of a sewage-sludge separation apparatus for municipal sewage treatment according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a motor; 2. a support; 3. a water tank; 4. a separator box housing; 5. a support plate; 6. a first sludge outlet; 7. supporting legs; 8. a water outlet pipe; 9. a spray head; 10. a first leak hole; 11. a filter box; 12. a first mud scraper; 13. a second sludge outlet; 14. a water outlet; 15. a screw transfer rod; 16. connecting blocks; 17. a second mud scraper; 18. a second leak hole; 19. a separation tank; 20. dividing the plate; 21. a stirring plate; 22. a rotating shaft; 23. a turntable; 24. and (4) a water outlet tank.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, which may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the specific embodiments disclosed in the following description.

The utility model provides a technical scheme that: a sewage sludge separation device for urban sewage treatment, please refer to fig. 2 and 3, comprising a separation box housing 4, characterized in that: the top of the separation box shell 4 is fixedly connected with a motor 1, the middle part of the inner cavity of the separation box shell 4 is fixedly connected with a partition plate 20, the bottom of the inner cavity of the separation box shell 4 is welded with a separation box 19, the outer side of the motor 1 is fixedly connected with a support 2 through bolts, the output end of the motor 1 is fixedly connected with a rotating shaft 22, the bottom of the rotating shaft 22 penetrates through the separation box shell 4 and the partition plate 20 and extends to the bottom of the inner cavity of the separation box shell 4, the surface of the partition plate 20 and the side wall of the filter box 11 are both provided with a first leak hole 10, the side wall of the bottom of the filter box 11 is provided with a second mud outlet 13, the side wall of the rotating shaft 22 is fixedly sleeved with a plurality of groups of stirring plates 21, the outer ends of the stirring plates 21 are in contact with the filter box 11, the first mud scraping plate 12 is of an arc structure and is obliquely arranged on the side wall of the turntable 23, so that the inner cavity of the filter box 11 can be cleaned while stirring, prevent that mud from blockking up first small opening 10, stirring board 21 is located carousel 23 upper portion, and first mud scraper 12 is the arc structure, and its slope sets up at the lateral wall of carousel 23, and the carousel 23 lateral wall is provided with the first mud scraper 12 of multiunit, and mud falls the division board 20 upper surface, clears up through first mud scraper 12 to discharge mud from second mud outlet 13 by first mud scraper 12.

The upper portion of the dividing plate 20 is fixedly connected with the filter box 11, the bottom of the rotating shaft 22 is fixedly connected with the connecting block 16, the side wall of the connecting block 16 is fixedly connected with the second mud scraping plate 17, the outer side of the second mud scraping plate 17 is in contact with the separating box 19, the bottom of the separating box 19 is provided with a first mud outlet 6, the outer side of the first mud outlet 6 is welded with a water outlet box 24, a gap is reserved between the outer side wall of the separating box 19 and the inner cavities of the separating box shell 4 and the water outlet box 24, the bottom of the water outlet box 24 is provided with a water outlet 14 communicated with the gap, and the bottom of the connecting block 16 is welded with a spiral conveying rod 15.

Please refer to fig. 1 and 2, a supporting plate 5 is fixedly connected to the bottom of the separating box housing 4, supporting legs 7 are fixedly connected to four corners of the bottom of the supporting plate 5, a separating box 19 penetrates through the middle of the supporting plate 5, the top of the separating box 19 is connected with the separating box housing 4 in a welding manner, two sets of second leaking holes 18 are formed in the side wall of the separating box 19, the diameter of each second leaking hole 18 is smaller than that of each first leaking hole 10, a water tank 3 is fixedly connected to the top of the separating box housing 4, a water outlet pipe 8 penetrates through the side wall of the water tank 3, the water outlet pipe 8 penetrates through the separating box housing 4 and extends to the inside of the filtering box 11, multiple sets of spray heads 9 are fixedly connected to the bottom of the water outlet pipe 8, and the device can be cleaned after separation.

The integral working principle is that the motor 1 is turned on to drive the rotating shaft 22, the stirring plate 21, the rotating disc 23 and the first mud scraper 12 to rotate, sewage and sludge are conveyed into the filter box 11 through the inlet at the top, the stirring plate 21 rotates to stir the sewage and the sludge, and under the action of centrifugal force, sewage and fine sludge particles can be discharged from the first leakage hole 10 to the inside of the separation box 19, large sludge particles can be attached to the surface of the inner cavity of the filter box 11, when the stirring plate 21 rotates, the large sludge particles can be scraped and fall onto the upper surface of the dividing plate 20, under the action of the first mud scraper 12, the large sludge particles can be driven to be discharged from the second sludge outlet 13, under the action of centrifugal force generated by the rotation of the second mud scraper 17 in the separation box 19, the sewage and the fine sludge particles can flow into the cavity through the second leakage hole 18 on the surface of the inner cavity of the separation box 19, the sludge is discharged from the water outlet 14, the sludge attached to the inner cavity surface of the separation box 19 is scraped off by the second sludge scraping plate 17 and then is conveyed to the bottom by the spiral conveying rod 15 at the bottom and discharged from the first sludge outlet 6, and the sewage and the sludge can be better separated through two solid-liquid separations, so that the separation efficiency is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a sewage sludge separation device of municipal sewage treatment, includes separator box shell (4), its characterized in that: the separation box comprises a separation box shell (4), a motor (1) is fixedly connected to the top of the separation box shell (4), a partition plate (20) is fixedly connected to the middle of the inner cavity of the separation box shell (4), a separation box (19) is welded to the bottom of the inner cavity of the separation box shell (4), a support (2) is fixedly connected to the outer side of the motor (1) through bolts, a rotating shaft (22) is fixedly connected to the output end of the motor (1), the bottom of the rotating shaft (22) penetrates through the separation box shell (4) and the partition plate (20) and extends to the bottom of the inner cavity of the separation box shell (4), a plurality of groups of stirring plates (21) are fixedly sleeved on the side wall of the rotating shaft (22), a rotating disc (23) is fixedly sleeved on the middle of the rotating shaft (22), a plurality of groups of first mud scraping plates (12) are fixedly connected to the side wall of the rotating disc (23), a filter box (11) is fixedly connected to the upper portion of the partition plate (20), a connecting block (16) is fixedly connected to the bottom of the rotating shaft (22), the side wall of the connecting block (16) is fixedly connected with a second mud scraper (17), and the bottom of the connecting block (16) is welded with a spiral conveying rod (15).

2. The sewage sludge separation device for municipal sewage treatment according to claim 1, wherein: the outer end of the stirring plate (21) is in contact with the filter box (11), the stirring plate (21) is positioned on the upper portion of the rotary table (23), the first mud scraper (12) is of an arc-shaped structure, and the first mud scraper is obliquely arranged on the side wall of the rotary table (23).

3. The sewage sludge separation device for municipal sewage treatment according to claim 1, wherein: the surface of the partition plate (20) and the side wall of the filter box (11) are both provided with first leak holes (10), and the side wall of the bottom of the filter box (11) is provided with a second sludge outlet (13).

4. The sewage sludge separation device for municipal sewage treatment according to claim 1, wherein: separating box shell (4) bottom fixedly connected with backup pad (5), the equal fixedly connected with supporting leg (7) in backup pad (5) bottom four corners, backup pad (5) are run through at separating box (19) middle part to extend to backup pad (5) bottom, two sets of second small opening (18) have been seted up to separating box (19) lateral wall.

5. The sewage sludge separation device for municipal sewage treatment according to claim 1, wherein: the mud scraper is characterized in that the outer side of the second mud scraper (17) is in contact with the separating box (19), a first mud outlet (6) is formed in the bottom of the separating box (19), a water outlet box (24) is welded on the outer side of the first mud outlet (6), a gap is reserved between the outer side wall of the separating box (19) and the inner cavity of the separating box shell (4) and the inner cavity of the water outlet box (24), and a water outlet (14) is formed in the bottom of the water outlet box (24).

6. The sewage sludge separation device for municipal sewage treatment according to claim 1, wherein: separator box shell (4) top fixedly connected with water tank (3), water tank (3) lateral wall runs through has outlet pipe (8), outlet pipe (8) run through separator box shell (4) and extend to inside rose box (11), outlet pipe (8) bottom fixedly connected with multiunit shower nozzle (9).