Municipal sludge drying and separating structure

Abstract

The utility model discloses a municipal sludge drying and separating structure, and aims to solve the technical problems of inconvenience in flexible use and poor continuous sludge treatment effect in the prior art. Comprising a box body, two annular grooves are formed in the top face of the box body, conical filter cartridges are fixedly connected to the positions, located at the annular grooves, of an inner cavity of the box body, the tops and the bottoms of the conical filter cartridges are of opening structures, conical pressing rollers are arranged in the conical filter cartridges and are of hollow structures, and annular plates are fixedly connected to the top faces of the conical pressing rollers; the annular plate is matched with the annular groove, the side wall of the conical compression roller is movably connected with a scraper blade, and a transmission assembly is arranged in an inner cavity of the conical compression roller. Continuous separation can be realized by adopting the two conical filter cartridges, and the separated sludge can be dried by utilizing heat generated by the heating pipe when being discharged; further, the sludge separation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the sewage treatment technical field, and specifically relates to a municipal sludge drying and separating structure. BACKGROUND

[0002] Municipal sludge drying and separating is an important link of sludge treatment. Natural drying and heat drying are usually used for sludge drying treatment.

[0003] Natural drying: water in sludge is reduced by using natural evaporation and permeation. Usually, sludge is placed in a drying field, and water is dispersed by solar radiation and air flow. This method has low cost, but large occupation area, is easily affected by weather, and has long treatment time.

[0004] Heat drying: water is quickly evaporated by heating sludge with hot air or other heat sources. Common heat drying equipment includes fluidized bed dryers, disc dryers, etc. It has fast drying speed, low water content of treated sludge, but high equipment investment and operation cost.

[0005] When sludge is treated in a city, a sludge separating vehicle or other separating equipment is usually used. The separating equipment is generally large in size and inconvenient to transport, especially for narrow roads or corner positions, and is not convenient to use, and has poor flexibility. In addition, most traditional separating equipment cannot continuously treat sludge in different chambers, thereby reducing sludge separation efficiency.

[0006] Therefore, a municipal sludge drying and separating structure is designed to change the above technical defects. SUMMARY

[0007] (1) Technical problem to be solved

[0008] In view of the deficiencies of the prior art, the utility model aims to provide a municipal sludge drying and separating structure, which aims to solve the technical problems of inconvenient flexible use and poor continuous treatment effect of sludge in the prior art.

[0009] (2) Technical scheme

[0010] In order to solve the above technical problems, the utility model provides a municipal sludge drying and separating structure, which comprises a box body, two annular grooves are formed in the top surface of the box body, a conical filter cylinder is fixedly connected to the inner cavity of the box body at the annular groove, the top and bottom of the conical filter cylinder are open structures, a conical compression roller is arranged in the conical filter cylinder, the conical compression roller is a hollow structure, an annular plate is fixedly connected to the top surface of the conical compression roller, the annular plate is matched with the annular groove, a scraper is movably connected to the side wall of the conical compression roller, and a transmission assembly is arranged in the inner cavity of the conical compression roller.

[0011] The top surface of the box body is located on the upper side of the conical pressure roller and is provided with a driving assembly. The side wall of the conical filter cartridge is fixedly connected to the same guide pipe, and the side wall of the guide pipe is fixedly connected to the sewage inlet pipe. A three-way valve is installed at the connection between the guide pipe and the sewage inlet pipe. The bottom end of the conical filter cartridge is fixedly connected to a discharge pipe, and a heating guide assembly is provided in the discharge pipe. The bottom surface of the inner cavity of the box body is provided with a collection assembly.

[0012] Furthermore, the transmission assembly includes a mounting plate fixedly connected to the inner wall of the conical pressure roller, the side wall of the mounting plate is fixedly connected to a support plate, the side wall of the support plate is equipped with a first motor, the output shaft of the first motor is fixedly connected to a first gear, the side wall of the mounting plate is rotatably connected to a screw sleeve, the side wall of the screw sleeve is fixedly connected to a second gear, the first gear is meshed with the second gear, the inner thread of the screw sleeve is connected to a screw rod, and one end of the screw rod is rotatably connected to the scraper.

[0013] Furthermore, the drive assembly includes a fixed plate fixedly connected to the top surface of the box body, the fixed plate is U-shaped, an electric push rod is fixedly installed on the top surface of the fixed plate, the output end of the electric push rod passes through the fixed plate and is fixedly connected to a rectangular frame, a second motor is fixedly installed on the bottom surface of the inner cavity of the rectangular frame, and the output end of the second motor is fixedly connected to the top surface of the conical pressure roller.

[0014] Furthermore, the heating material guiding assembly includes a hollow roller arranged in a discharge pipe, both ends of the hollow roller are fixedly connected to a circular shaft, the other end of the circular shaft is rotatably connected to the side wall of the discharge pipe, the side wall of the hollow roller is provided with two arc grooves, the side wall of the discharge pipe is fixedly connected to a third motor, the output end of the third motor is fixedly connected to the circular shaft, and the inner wall of the hollow roller is fixedly connected to a heating tube.

[0015] Furthermore, a guide plate is fixedly connected to the side wall of the discharge pipe, and the guide plate is arranged to be tilted downward. The third motor is located between the guide plate and the discharge pipe.

[0016] Furthermore, a through groove is formed on the side wall of the conical pressure roller, the scraper is located in the through groove, and the upper and lower side walls of the scraper are respectively fixedly connected to limit blocks, and the limit blocks pass through the through groove and are movably connected thereto.

[0017] Furthermore, an annular shell is fixedly connected to the top surface of the inner cavity of the box, and the annular plate is located in the annular shell.

[0018] Furthermore, a sealing ring is installed on the top surface of the box body located under the annular plate.

[0019] Furthermore, the collection assembly includes a baffle fixedly connected to the bottom of the box, a rectangular groove is opened on the front side wall of the box, a collection box is provided on the bottom of the inner cavity of the box and located below the discharge pipe, and a drainage pipe is installed near the bottom of the front side wall of the box.

[0020] Further, the conical filter cartridge is consistent with the inclination of the conical compression roller.

[0021] (3) Advantageous effects

[0022] Compared with the prior art, the utility model has the beneficial effects that:

[0023] The utility model discloses a box, conical filter cartridge, conical compression roller, blanking pipe and the design of drive assembly, two conical filter cartridges and conical compression roller are provided in the scheme and have small volume, high flexibility, can be separated and handled to sludge in smaller site, in addition, two conical filter cartridges can realize continuous separation, and the sludge after separation can be dried using the heat generated by heating pipe when discharging, and then the separation efficiency of sludge is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole structure schematic diagram of the utility model;

[0025] Figure 2 It is the local structure schematic diagram of the utility model;

[0026] Figure 3 It is the sectional structure schematic diagram of the utility model;

[0027] Figure 4 It is the structure schematic diagram of the bottom of the inner chamber of the box of the utility model;

[0028] Figure 5 It is the structure schematic diagram of the scraper of the utility model;

[0029] Figure 6 It is the enlarged view of A in the utility model Figure 3 ;

[0030] Figure 7 It is the enlarged view of B in the utility model Figure 3 ;

[0031] Figure 8 It is the enlarged view of C in the utility model Figure 3 .

[0032] The marks in the accompanying drawings are: 1. Box body; 2. Annular groove; 3. Conical filter cartridge; 4. Conical pressure roller; 5. Scraper; 6. Mounting plate; 7. Support plate; 8. First motor; 9. First gear; 10. Screw sleeve; 11. Second gear; 12. Screw; 13. Fixed plate; 14. Electric push rod; 15. Rectangular frame; 16. Second motor; 17. Guide pipe; 18. Sewage inlet pipe; 19. Three-way valve; 20. Limit block; 21. Feeding pipe; 22. Hollow roller; 23. Arc groove; 24. Third motor; 25. Guide plate; 26. Annular shell; 27. Sealing ring; 28. Baffle; 29. ​​Collection box; 30. Drain pipe; 31. Heating pipe; 32. Annular plate. DETAILED DESCRIPTION

[0033] This specific embodiment is a municipal sludge drying and separation structure, such as Figures 1-8 As shown, it includes a housing 1 with two annular grooves 2 defined on its top surface. A conical filter cartridge 3 is fixedly connected to the inner cavity of the housing 1 at the annular grooves 2. The top and bottom of the conical filter cartridge 3 are open structures. A conical pressure roller 4 is disposed within the conical filter cartridge 3, and the conical filter cartridge 3 and the conical pressure roller 4 have the same inclination. The conical pressure roller 4 is a hollow structure, with an annular plate 32 fixedly connected to its top surface. The annular plate 32 is adapted to the annular grooves 2. A scraper 5 is movably connected to the side wall of the conical pressure roller 4. A transmission assembly is disposed within the inner cavity of the conical pressure roller 4.

[0034] The top surface of the box body 1 is located on the upper side of the conical pressure roller 4 and is provided with a driving assembly. The side wall of the conical filter cartridge 3 is fixedly connected to the same guide pipe 17, and the side wall of the guide pipe 17 is fixedly connected to the sewage inlet pipe 18. A three-way valve 19 is installed at the connection between the guide pipe 17 and the sewage inlet pipe 18. The bottom end of the conical filter cartridge 3 is fixedly connected to a discharge pipe 21, and a heating material guide assembly is provided in the discharge pipe 21. A collection assembly is provided on the bottom surface of the inner cavity of the box body 1.

[0035] like Figure 3 and Figure 8 As shown, the transmission assembly includes a mounting plate 6 fixedly connected to the inner wall of the conical pressure roller 4, the side wall of the mounting plate 6 is fixedly connected to a support plate 7, the side wall of the support plate 7 is equipped with a first motor 8, the output shaft of the first motor 8 is fixedly connected to a first gear 9, the side wall of the mounting plate 6 is rotatably connected to a screw sleeve 10, the side wall of the screw sleeve 10 is fixedly connected to a second gear 11, the first gear 9 is meshed with the second gear 11, the internal thread of the screw sleeve 10 is connected to a screw rod 12, and one end of the screw rod 12 is rotatably connected to the scraper 5.

[0036] A through groove is formed on the side wall of the conical pressure roller 4, and the scraper 5 is located in the through groove. The upper and lower side walls of the scraper 5 are respectively fixedly connected to the limit blocks 20, and the limit blocks 20 pass through the through groove and are movably connected thereto.

[0037] Wherein, by setting transmission assembly can control the extension and retraction of the scraper 5, and the gap between the scraper 5 and the through slot is small, with good sealing performance, sewage will not penetrate into the conical compression roller 4; in addition, by setting the limiting block 20 at both ends of the scraper 5 can ensure the stability of the scraper 5 when moving, to avoid the phenomenon of shaking.

[0038] As shown in Figures 1-3 The driving assembly includes a fixed plate 13 fixedly connected to the top surface of the box 1, the fixed plate 13 is arranged in a U shape, the top surface of the fixed plate 13 is fixedly installed with an electric push rod 14, the output end of the electric push rod 14 penetrates through the fixed plate 13 and is fixedly connected with a rectangular frame 15, the inner cavity bottom surface of the rectangular frame 15 is fixedly installed with a second motor 16, and the output end of the second motor 16 is fixedly connected with the top surface of the conical compression roller 4.

[0039] Specifically, by setting the driving assembly, on the one hand, the conical compression roller 4 can be driven to lift for extruding sludge and discharging sludge, and on the other hand, the conical compression roller 4 can be driven to rotate, facilitating the scraper 5 to scrape off the mud cake.

[0040] As shown in Figure 3 And Figure 7 The heating and material guiding assembly includes a hollow roller 22 arranged in the discharging pipe 21, the two ends of the hollow roller 22 are fixedly connected with a circular shaft, the other end of the circular shaft is rotatably connected with the side wall of the discharging pipe 21, two arc-shaped grooves 23 are formed in the side wall of the hollow roller 22, a third motor 24 is fixedly connected with the side wall of the discharging pipe 21, the output end of the third motor 24 is fixedly connected with the circular shaft, and a heating pipe 31 is fixedly connected with the inner wall of the hollow roller 22.

[0041] When the scraper 5 scrapes off the caked mud cake, the mud cake is accumulated in the discharging pipe 21, at this time, the high temperature generated by the heating pipe 31 facilitates the drying treatment of the mud cake, and the hollow roller 22 is in slow rotation state when rotating, so as to provide sufficient drying time for the mud cake.

[0042] As shown in Figure 3 And Figure 7 The side wall of the discharging pipe 21 is fixedly connected with a flow guide plate 25, the flow guide plate 25 is arranged in a downward inclined manner, and the third motor 24 is located between the flow guide plate 25 and the discharging pipe 21.

[0043] The front left and right side corners of the flow guide plate 25 are respectively provided with inclined plates, so as to avoid the sewage generated during separation from entering the collecting box 29 through the front side of the flow guide plate 25; in addition, the length of the flow guide plate 25 is not limited in the scheme and can be improved according to actual needs.

[0044] As shown in Figure 6As shown, the inner cavity top surface of the box body 1 is fixedly connected with an annular shell 26, and the annular plate 32 is located in the annular shell 26. The annular shell 26 can protect the annular plate 32 and is used for connecting the box body 1 on both sides of the annular groove 2.

[0045] As shown in the drawings, Figure 6 As shown, the top surface of the box body 1 is assembled with a sealing ring 27 below the annular plate 32. By arranging the sealing ring 27, the sealing property between the conical compression roller 4 and the conical filter cylinder 3 during extruding the sludge can be further improved, so as to avoid leakage of the sewage sludge.

[0046] As shown in the drawings, Figure 4 As shown, the collecting assembly includes a baffle 28 fixedly connected to the bottom surface of the box body 1, the front side wall of the box body 1 is provided with a rectangular groove, the bottom surface of the inner cavity of the box body 1 is provided with a collecting box 29 below the discharging pipe 21, and the front side wall of the box body 1 is assembled with a drain pipe 30 close to the bottom surface. The collecting box 29 is used for collecting the dried sludge, and the inside space of the baffle 28 is used for collecting the sewage.

[0047] Working principle: first, connect the sewage inlet pipe 18 with the external sludge discharge pump, when the sludge enters into one side of the conical filter cylinder 3 through the flow guide pipe 17, the other side of the conical filter cylinder 3 is in idle state, after the sludge is discharged, start the electric push rod 14, the output end of the electric push rod 14 drives the conical compression roller 4 to move downward through the rectangular frame 15, so as to narrow the gap between the conical compression roller 4 and the conical filter cylinder 3, the sludge is extruded, and the water can be discharged through the micropores on the conical filter cylinder 3, after being extruded to a certain extent, the sludge forms a sludge cake inside the conical filter cylinder 3, then start the first motor 8, the output shaft of the first motor 8 drives the first gear 9 to rotate, the first gear 9 engages with the second gear 11 and drives the screw sleeve 10 to rotate, the screw sleeve 10 drives the scraper 5 to extend through the screw rod 12, so that the end surface of the scraper 5 contacts with the inner wall of the conical filter cylinder 3, then start the second motor 16, the second motor 16 drives the conical compression roller 4 to rotate, the conical compression roller 4 drives the scraper 5 to scrape the sludge cake and fall into the discharging pipe 21;

[0048] At the same time, start the third motor 24 and the heating pipe 31, the heating pipe 31 transmits heat to the hollow roller 22, when the sludge cake falls into the arc-shaped groove 23 on the hollow roller 22, the sludge cake is dried by using the high temperature of the hollow roller 22, the sludge cake is discharged and falls into the collecting box 29 by the slow rotation of the hollow roller 22, and the sewage is discharged into the bottom of the box body 1 through the flow guide plate 25, when the sludge in one side of the conical filter cylinder 3 is treated, adjust the three-way valve 19, so as to continuously treat the sludge in the other side of the conical filter cylinder 3, and the separation effect is effectively improved.

[0049] All the technical features in the embodiment can be freely combined according to actual needs.

[0050] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A municipal sludge drying and separating structure comprising a box (1), characterized in that: The box (1) top surface is provided with two annular grooves (2), the box (1) inner chamber is located at annular groove (2) fixedly connected with conical filter cartridge (3), the conical filter cartridge (3) top and bottom are open structure, the conical filter cartridge (3) is provided with conical pressure roller (4), the conical pressure roller (4) is hollow structure, the conical pressure roller (4) top surface is fixedly connected with annular plate (32), the annular plate (32) is compatible with annular groove (2), the conical pressure roller (4) side wall is movably connected with scraper (5), the conical pressure roller (4) inner chamber is provided with transmission assembly; The box (1) top surface is provided with drive assembly, the conical filter cartridge (3) side wall is fixedly connected with the same flow guide pipe (17), the flow guide pipe (17) side wall is fixedly connected with the inlet pipe (18), the flow guide pipe (17) and inlet pipe (18) junction is equipped with three-way valve (19), the conical filter cartridge (3) bottom end is fixedly connected with the downpipe (21), the downpipe (21) is provided with heating guide assembly, the box (1) inner chamber bottom is provided with collection assembly.

2. The urban sludge drying and separating structure according to claim 1, characterized in that: The transmission assembly includes a mounting plate (6) fixedly connected to the inner wall of the conical pressure roller (4), the mounting plate (6) side wall is fixedly connected with support plate (7), the support plate (7) side wall is equipped with first motor (8), the first motor (8) output shaft is fixedly connected with first gear (9), the mounting plate (6) side wall is rotatably connected with screw sleeve (10), the screw sleeve (10) side wall is fixedly connected with second gear (11), the first gear (9) is engaged with the second gear (11), the screw sleeve (10) is threadedly connected with a screw rod (12), one end of the screw rod (12) is rotatably connected with the scraper (5).

3. The urban sludge drying and separating structure according to claim 1, characterized in that: The drive assembly includes a fixed plate (13) fixedly connected to the top surface of the box (1), the fixed plate (13) is U-shaped, the fixed plate (13) top surface is fixedly installed with electric push rod (14), the electric push rod (14) output end penetrates through the fixed plate (13) and is fixedly connected with a rectangular frame (15), the rectangular frame (15) inner chamber bottom is fixedly installed with second motor (16), the second motor (16) output end is fixedly connected with the top surface of the conical pressure roller (4).

4. The urban sludge drying and separating structure according to claim 1, characterized in that: The heating guide assembly includes a hollow roller (22) disposed in the downpipe (21), the hollow roller (22) both ends are fixedly connected with a circular shaft, the other end of the circular shaft is rotatably connected with the side wall of the downpipe (21), the hollow roller (22) side wall is provided with two arc grooves (23), the downpipe (21) side wall is fixedly connected with third motor (24), the third motor (24) output end is fixedly connected with the circular shaft, the hollow roller (22) inner wall is fixedly connected with heating pipe (31).

5. A municipal sludge drying and separating structure according to claim 4, characterized in that: The downpipe (21) side wall is fixedly connected with a flow guide plate (25), the flow guide plate (25) is inclined downward, the third motor (24) is located between the flow guide plate (25) and the downpipe (21).

6. The urban sludge drying and separating structure according to claim 1, characterized in that: The tapering compression roller (4) is provided with a through groove in the side wall, the scraper (5) is located in the through groove, the upper and lower side walls of the scraper (5) are fixedly connected with limiting blocks (20) respectively, and the limiting blocks (20) penetrate through the through groove and are movably connected with the through groove.

7. The urban sludge drying and separating structure according to claim 1, characterized in that: The annular shell (26) is fixedly connected to the top surface of the inner cavity of the box body (1).

8. The urban sludge drying and separating structure according to claim 1, characterized in that: The sealing ring (27) is arranged on the top surface of the box body (1) below the annular plate (32).

9. The urban sludge drying and separating structure according to claim 1, characterized in that: The collecting assembly comprises a baffle (28) fixedly connected to the bottom surface of the box body (1), the front side wall of the box body (1) is provided with a rectangular groove, the bottom surface of the inner cavity of the box body (1) is provided with a collecting box (29) below the discharging pipe (21), and the front side wall of the box body (1) is provided with a drain pipe (30) close to the bottom surface.

10. The urban sludge drying and separating structure according to claim 1, characterized in that: The tapering filter cartridge (3) is consistent with the inclination of the tapering compression roller (4).

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