Sludge dewatering and extruding device for sludge treatment

Abstract

The utility model discloses a sludge dewatering extrusion device for sludge treatment, which comprises a box body and support side plates, the support side plates are fixed below the bottom walls of the two sides of the box body, the inner side wall of the box body is provided with a telescopic cylinder, one end of the telescopic cylinder is fixedly provided with a push plate, and the push plate is tightly attached to the inner wall of the box body in a sliding manner. An opening is formed in the position, close to the top wall of the push plate, of the box body, a scraping plate is slidably arranged in the opening, a top frame plate is fixedly connected to the top end of the scraping plate, a limiting column penetrates through the top frame plate and is fixed to the top wall of the box body, a limiting spring sleeves the limiting column, and one end of the limiting spring is fixed to the lower portion of the top frame plate; the other end of the limiting spring is fixed to the top wall of the box body, and a discharging bin is arranged below the bottom wall of the box body. The utility model belongs to the technical field of sludge treatment, and particularly relates to a sludge dewatering and extruding device for sludge treatment, which can clean and collect residual sludge on a push plate after extrusion is completed and is convenient to use.

Description

Technical Field

[0001] The utility model belongs to the technical field of sludge treatment, in particular to a sludge dewatering and squeezing device used for sludge treatment. Background Art

[0002] Sludge is the product of sewage treatment. It is a very complex substance composed of organic debris, bacterial cells, inorganic particles and colloids. The main characteristics of sludge are a water content of up to 99%, a high organic content, easy to decompose and stink, and fine particles and a small specific gravity. It is a thick substance between liquid and solid. In order to avoid sludge from polluting the environment, it is generally necessary to treat the sludge after sewage treatment, and dehydration is carried out during the sludge treatment process.

[0003] A sludge dewatering extrusion device for sludge treatment disclosed in a Chinese patent with patent authorization announcement number CN217972951U mainly realizes sludge dewatering by extrusion of two push plates; however, the extrusion of the push plates will cause the sludge adhering to a large amount of sludge to be unable to fall off, making it inconvenient to clean the sludge adhering to the push plates. Utility Model Content

[0004] In order to solve the above-mentioned problem, the utility model provides a sludge dewatering and squeezing device for sludge treatment which can clean and collect the sludge remaining on the push plate after the squeezing is completed and is easy to use.

[0005] In order to achieve the above-mentioned function, the technical solution adopted by the utility model is as follows: a sludge dewatering and squeezing device for sludge treatment comprises a box body and a supporting side plate, the supporting side plate is fixed under the bottom walls on both sides of the box body, a telescopic cylinder is provided on the inner wall of the box body, a push plate is fixed on one end of the telescopic cylinder, the push plate is slidably arranged close to the inner wall of the box body, an opening is provided on the top wall of the box body near the push plate, a scraper is slidably arranged in the opening, the top end of the scraper is fixedly connected with a top frame plate, the top wall of the box body passes through the top frame plate to fix a limiting column, a limiting spring is provided on the outer sleeve of the limiting column, one end of the limiting spring is fixed under the top frame plate, and the other end of the limiting spring is fixed on the top wall of the box body, pressing the top frame plate downward drives the scraper downward, the limiting spring is compressed, and the scraper scrapes off the sludge on the push plate, and releasing the limiting spring drives the top frame plate and the scraper to return to their original position under the action of its own restoring force, and a discharge bin is provided under the bottom wall of the box body to facilitate the collection and discharge of the sludge.

[0006] Preferably, the outer wall of the scraper plate is in close contact with the inner wall of the opening, and the outer wall of the scraper plate is in close contact with the outer wall of the push plate.

[0007] Preferably, a limiting top block is fixed on the top of the limiting column to limit the top frame plate.

[0008] Preferably, a cover plate and a connecting plate are sealed and plugged on the top and bottom walls of the box body, a connecting rod is fixedly connected between the bottom wall of the cover plate and the top wall of the connecting plate, and water outlet holes are evenly arranged on the connecting plate.

[0009] Preferably, a fixing plate is provided on the supporting side plate, a lifting cylinder is provided on the fixing plate, a top plate is provided on the lifting cylinder, and convex thorns corresponding to the water outlet holes are evenly provided on the top plate to facilitate cleaning of the water storage holes and avoid clogging of the water outlet holes.

[0010] Preferably, the bottom wall of the discharge bin is inclined to serve as a guide.

[0011] The utility model adopts the above structure to achieve the following beneficial effects: by pressing the top frame plate downward to drive the scraper downward, the limit spring is compressed, and the scraper scrapes off the sludge on the push plate; when the limit spring is released, the top frame plate and the scraper are driven to return to their original positions under the action of its own restoring force, and the scraped sludge falls into the discharge bin for collection and discharge; in the process of retracting the scraper, the sludge on the scraper is also scraped off due to the action of the opening, thereby achieving the effect of cleaning the scraper. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is an overall structural diagram of a sludge dewatering and squeezing device for sludge treatment according to the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of a sludge dewatering and squeezing device for sludge treatment according to the utility model;

[0014] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0015] Figure 4 It is a bottom and side view of a sludge dewatering and squeezing device for sludge treatment according to the utility model.

[0016] Among them, 1. box body, 2. supporting side plate, 3. telescopic cylinder, 4. push plate, 5. scraper, 6. opening, 7. limit column, 8. limit spring, 9. top frame plate, 10. limit top block, 11. cover plate, 12. connecting rod, 13. connecting plate, 14. water outlet, 15. thorn, 16. discharge bin, 17. top plate, 18. fixed plate, 19. lifting cylinder. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0019] like Figure 1-4 As shown, the utility model is a sludge dewatering and squeezing device for sludge treatment, comprising a box body 1 and supporting side plates 2, the supporting side plates 2 are fixed under the bottom walls of both sides of the box body 1, a telescopic cylinder 3 is provided on the inner wall of the box body 1, a push plate 4 is fixed on one end of the telescopic cylinder 3, the push plate 4 is slidably arranged close to the inner wall of the box body 1, an opening 6 is provided on the top wall of the box body 1 near the push plate 4, a scraper 5 is slidably arranged in the opening 6, the top end of the scraper 5 is fixedly connected to a top frame plate 9, a limiting column 7 is fixed on the top wall of the box body 1 through the top frame plate 9, a limiting top block 10 is fixed on the top end of the limiting column 7, a limiting spring 8 is provided on the outer sleeve of the limiting column 7, one end of the limiting spring 8 is fixed under the top frame plate 9, and the other end of the limiting spring 8 is fixed on the top wall of the box body 1, a discharge bin 16 is provided under the bottom wall of the box body 1, the bottom wall of the discharge bin 16 is inclined, the outer wall of the scraper 5 is in close contact with the inner wall of the opening 6, and the outer wall of the scraper 5 is in close contact with the outer wall of the push plate 4.

[0020] like Figure 2 and Figure 4 As shown, a cover plate 11 and a connecting plate 13 are sealed and inserted on the top and bottom walls of the box body 1, a connecting rod 12 is fixedly connected between the bottom wall of the cover plate 11 and the top wall of the connecting plate 13, water outlet holes 14 are evenly arranged on the connecting plate 13, a fixing plate 18 is provided on the supporting side plate 2, a lifting cylinder 19 is provided on the fixing plate 18, a top plate 17 is provided on the lifting cylinder 19, and convex thorns 15 corresponding to the water outlet holes 14 are evenly arranged on the top plate 17.

[0021] When in use, first add the sludge into the box body 1 through the feed port on the cover plate 11, then start the two telescopic cylinders 3, the telescopic cylinders 3 drive the push plates 4 to move horizontally, and the sludge can be dehydrated by squeezing the sludge with the two push plates 4, and the water will be discharged through the water outlet 14. When the water outlet 14 is blocked, the lifting cylinder 19 drives the top plate 17 and the convex thorns 15 to move upward, and the sludge in the water outlet 14 can be pushed out upward by the movement of the convex thorns 15 in the water outlet 14, so as to prevent the sludge from blocking the water outlet 14 and causing water In the case where the sludge cannot be discharged, the push plate 4 is retracted after the sludge is squeezed, and the top frame plate 9 is pressed downward to drive the scraper 5 downward. The limit spring 8 is compressed, and the scraper 5 scrapes off the sludge on the push plate 4. The limit spring 8 is released and the top frame plate 9 and the scraper 5 are driven to return to their original positions under the action of its own restoring force. The scraped sludge falls into the discharge bin 16 for collection and discharge. The cover plate 11 is driven to move by the handle, and the connecting rod 12 can drive the connecting plate 13 to move, so that the dehydrated sludge can be conveniently taken out of the box 1, which is convenient for the collection and treatment of the sludge.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A sludge dewatering and squeezing device for sludge treatment, comprising a box body (1) and supporting side plates (2), wherein the supporting side plates (2) are fixed to the bottom walls on both sides of the box body (1), a telescopic cylinder (3) is provided on the inner side wall of the box body (1), a push plate (4) is fixed to one end of the telescopic cylinder (3), and the push plate (4) is slidably arranged close to the inner wall of the box body (1), characterized in that: The box body (1) is provided with an opening (6) on the top wall near the push plate (4), a scraper (5) is slidably provided in the opening (6), the top end of the scraper (5) is fixedly connected to the top frame plate (9), the top wall of the box body (1) passes through the top frame plate (9) to fix a limiting column (7), the limiting column (7) is provided with a limiting spring (8) on its outer sleeve, one end of the limiting spring (8) is fixed under the top frame plate (9), and the other end of the limiting spring (8) is fixed on the top wall of the box body (1), and a discharge bin (16) is provided under the bottom wall of the box body (1).

2. The sludge dewatering and squeezing device for sludge treatment according to claim 1, characterized in that: The outer wall of the scraper (5) is in close contact with the inner wall of the opening (6), and the outer wall of the scraper (5) is in close contact with the outer wall of the push plate (4).

3. The sludge dewatering and squeezing device for sludge treatment according to claim 2, characterized in that: A limiting top block (10) is fixed on the top end of the limiting column (7).

4. The sludge dewatering and squeezing device for sludge treatment according to claim 3, characterized in that: A cover plate (11) and a connecting plate (13) are sealed and plugged into the top and bottom walls of the box body (1); a connecting rod (12) is fixedly connected between the bottom wall of the cover plate (11) and the top wall of the connecting plate (13); and water outlet holes (14) are evenly arranged on the connecting plate (13).

5. The sludge dewatering and squeezing device for sludge treatment according to claim 4, characterized in that: A fixing plate (18) is provided on the supporting side plate (2), a lifting cylinder (19) is provided on the fixing plate (18), a top plate (17) is provided on the lifting cylinder (19), and ridges (15) corresponding to the water outlet holes (14) are evenly provided on the top plate (17).

6. The sludge dewatering and squeezing device for sludge treatment according to claim 5, characterized in that: The bottom wall of the discharge bin (16) is arranged inclined.

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