Device for enhancing foam elimination by diffusing air and returning sludge

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a device for enhancing foam elimination by diffusing air and returning sludge, which comprises a defoaming box, a cover plate is arranged above the defoaming box, the cover plate is fixedly connected with the defoaming box through a limiting component, and a centrifugal defoamer is fixedly connected with the inner wall of the upper side of the cover plate. According to the utility model, when the foam in the sludge is eliminated, the foam in the sludge can be treated without adding a large amount of defoaming agent, so that the problem of adverse effect on the environment caused by excessive foam in the sludge is avoided, and the possible adverse effect on microorganisms in the sludge caused by some defoaming agents is also avoided; according to the defoaming box, the problems that in the prior art, normal metabolism of microorganisms is interfered, some defoaming agents are likely to be accumulated in sludge after being used for a long time, and potential environmental risks are caused are solved, and after foam in the sludge is eliminated, the defoaming box can be conveniently and rapidly opened, and impurities in the defoaming box can be cleaned up.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a device for enhancing foam elimination by emitting air and returning sludge. Background Art

[0002] During the sludge treatment process, excessive foam will affect the normal operation of the sludge treatment system. Defoaming can help improve treatment efficiency and quality, prevent foam overflow, and avoid adverse effects on the environment and operators.

[0003] In the existing sludge defoaming treatment process, defoaming agents are usually added to the sludge to eliminate the foam in the sludge. Since the defoaming effect of the defoaming agent cannot be maintained in a good state continuously, the foam in the sludge may reappear, and some defoaming agents may have an adverse effect on the microorganisms in the sludge and interfere with the normal metabolism of the microorganisms. Long-term use of some defoaming agents may accumulate in the sludge, bringing potential environmental risks. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the prior art, during the sludge defoaming treatment process, a defoaming agent is usually added to the sludge to eliminate the foam in the sludge. Since the defoaming effect of the defoaming agent cannot be maintained in a good state continuously, the foam in the sludge may reappear, and some defoaming agents may have an adverse effect on the microorganisms in the sludge and interfere with the normal metabolism of the microorganisms. Long-term use of some defoaming agents may accumulate in the sludge, bringing potential environmental risks. A device is proposed to enhance the elimination of foam by releasing air and returning sludge.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The vent pipe is connected with the air filter of the present invention, and the vent pipe is connected with the air filter of the present invention, and the vent pipe is connected with the air filter of the present invention.

[0007] Preferably, the limit assembly includes a plurality of transverse plates fixedly connected to the side wall of the cover plate, the lower side wall of the transverse plate is fixedly connected to the limit pin, the left and right sides of the defoaming box are fixedly connected with a limit cylinder matching the limit pin, the inner wall of the limit cylinder is provided with a positioning groove, and a positioning plate is inserted in the positioning groove, the side wall on the opposite side of the positioning plate and the limit pin is fixedly connected with a plurality of mutually matching teeth, the side wall of the positioning plate is fixedly connected with a pull rod, the end of the pull rod away from the positioning plate extends out of the positioning groove and is fixedly connected with a pull plate, and the same spring is fixedly connected between the pull plate and the limit cylinder.

[0008] Preferably, a top groove is formed at the lower end of the limiting pin, and a top block is fixedly connected to the upper inner wall of the top groove via a spring.

[0009] Preferably, a blocking box is provided on the pipe wall of the discharge pipe, a threaded barrel is rotatably connected to the side wall of the blocking box, a bevel gear ring is fixedly sleeved on the outer wall of the threaded barrel, a motor is fixedly connected to the right side wall of the blocking box, a bevel gear meshing with the bevel gear ring is fixedly connected to the output end of the motor, a threaded rod is threadedly sleeved on the inner thread of the threaded barrel, the left end of the threaded rod is located in the blocking box and is fixedly connected to a blocking block.

[0010] Preferably, a positioning slide plate is fixedly connected to the lower inner wall of the blocking box, and a positioning groove matching the positioning slide plate is formed on the rod wall of the threaded rod.

[0011] Preferably, a handle is fixedly connected to the side wall of the pull plate.

[0012] Preferably, the bottom of the defoaming box is a bucket-shaped structure.

[0013] Preferably, a sealing ring is provided on the outer wall fixing sleeve of the cover plate.

[0014] Preferably, a handle is fixedly connected to the upper side wall of the cover plate.

[0015] Compared with the prior art, the utility model provides a device for enhancing the elimination of foam by releasing air and returning sludge, which has the following beneficial effects:

[0016] 1. The device for enhancing the elimination of foam by releasing air and returning sludge can eliminate the foam in the sludge without adding a large amount of defoaming agent through the arrangement of a defoaming box, a cover plate, a centrifugal defoamer, an air inlet pipe, a pressurizing box, a pressurizing pipe, a conveying pump, a discharge pipe, a spray box, a nozzle and a discharge pipe. Thus, the problem of excessive foam in the sludge causing adverse effects on the environment is avoided, and the problem of some defoaming agents possibly having adverse effects on the microorganisms in the sludge and interfering with the normal metabolism of the microorganisms is avoided. The problem of some defoaming agents possibly accumulating in the sludge and bringing potential environmental risks is avoided.

[0017] 2. The device for enhancing the elimination of foam by releasing air and returning sludge can conveniently and quickly open the defoaming box and clean the impurities inside the defoaming box after the foam in the sludge is eliminated through the arranged horizontal plate, limit pin, limit cylinder, positioning plate, latch teeth, pull rod and pull plate.

[0018] Moreover, the parts not involved in the device are the same as the prior art or can be implemented by the prior art. The utility model can treat the foam in the sludge without adding a large amount of defoaming agent when eliminating the foam in the sludge, thereby avoiding the problem that excessive foam in the sludge may have adverse effects on the environment, and also avoids the problem that some defoaming agents may have adverse effects on the microorganisms in the sludge and interfere with the normal metabolism of the microorganisms. The long-term use of some defoaming agents may accumulate in the sludge and bring potential environmental risks. After the foam in the sludge is eliminated, the defoaming box can be opened quickly and conveniently to clean the impurities inside the defoaming box. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of a device for enhancing foam elimination by releasing air and returning sludge, which is proposed in the utility model;

[0020] Figure 2 The utility model proposes a device for enhancing the elimination of foam by releasing air and returning sludge. Figure 1 A magnified schematic diagram of part A;

[0021] Figure 3 The utility model proposes a device for enhancing the elimination of foam by releasing air and returning sludge. Figure 1 Schematic diagram of the enlarged portion B.

[0022] In the figure: 1. defoaming box; 2. cover plate; 3. centrifugal defoamer; 4. air inlet pipe; 5. pressurizing box; 6. pressurizing pipe; 7. conveying pump; 8. discharge pipe; 9. spray box; 10. nozzle; 11. discharge pipe; 12. cross plate; 13. limit pin; 14. limit cylinder; 15. positioning plate; 16. latching teeth; 17. pull rod; 18. pull plate; 19. top block; 20. blocking box; 21. threaded cylinder; 22. motor; 23. blocking block; 24. positioning slide plate; 25. handle; 26. sealing ring; 27. handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-3, a device for enhancing foam elimination by dispersing air and returning sludge, comprises a defoaming box 1, a cover plate 2 is placed above the defoaming box 1, the cover plate 2 is fixedly connected to the defoaming box 1 through a limiting component, a centrifugal defoamer 3 is fixedly connected to the upper inner wall of the cover plate 2, an air inlet pipe 4 is fixedly connected to the left wall of the defoaming box 1, a pressurizing box 5 is fixedly connected to the left end of the air inlet pipe 4, a pressurizing pipe 6 is fixedly connected to the left wall of the pressurizing box 5, a delivery pump 7 is fixedly connected to the right wall of the defoaming box 1, a feeding end of the delivery pump 7 passes through the side wall of the defoaming box 1 and is located near the bottom of the defoaming box 1, a discharge end of the delivery pump 7 is fixedly connected to a discharge pipe 8, a right end of the discharge pipe 8 is fixedly connected to a spray box 9, a plurality of nozzles 10 are fixedly connected to the lower side wall of the spray box 9, a discharge pipe 11 is fixedly connected to the lower side wall of the defoaming box 1, and a blocking component is provided in the discharge pipe 11.

[0025] The limiting assembly includes a plurality of transverse plates 12 fixedly connected to the upper side wall of the cover plate 2, the lower side wall of the transverse plate 12 is fixedly connected to a limiting pin 13, the left and right sides of the defoaming box 1 are fixedly connected with a limiting cylinder 14 matching the limiting pin 13, the inner wall of the limiting cylinder 14 is provided with a positioning groove, and a positioning plate 15 is inserted in the positioning groove, the side wall on the opposite side of the positioning plate 15 and the limiting pin 13 are fixedly connected with a plurality of mutually matching latching teeth 16, the side wall of the positioning plate 15 is fixedly connected with a pull rod 17, the end of the pull rod 17 away from the positioning plate 15 extends out of the positioning groove, and is fixedly connected with a pull plate 18, the pull plate 18 and the limiting cylinder 14 are fixedly connected with the same spring, so that after the foam in the sludge is eliminated, the defoaming box can be opened quickly and conveniently to clean the impurities inside the defoaming box.

[0026] A top groove is formed at the lower end of the limit pin 13, and a top block 19 is fixedly connected to the upper inner wall of the top groove via a spring, so that the limit pin 13 can be automatically pushed out upward.

[0027] A blocking box 20 is provided on the pipe wall of the discharge pipe 11, and a threaded cylinder 21 is rotatably connected to the side wall of the blocking box 20, and a bevel gear ring is fixedly sleeved on the outer wall of the threaded cylinder 21. A motor 22 is fixedly connected to the right side wall of the blocking box 20, and an output end of the motor 22 is fixedly connected to a bevel gear meshing with the bevel gear ring. A threaded rod is sleeved on the inner thread of the threaded cylinder 21, and the left end of the threaded rod is located in the blocking box 20 and is fixedly connected to a blocking block 23, which can seal the discharge pipe 11.

[0028] A positioning slide 24 is fixedly connected to the lower inner wall of the blocking box 20, and a positioning groove matching the positioning slide 24 is opened on the rod wall of the threaded rod. The mutual cooperation between the positioning slide 24 and the positioning groove prevents the threaded rod from rotating, so that the threaded rod can only move left and right in the horizontal reverse concept.

[0029] A handle 25 is fixedly connected to the side wall of the pull plate 18 to facilitate pulling the pull plate 18 .

[0030] The bottom of the defoaming box 1 is a bucket-shaped structure.

[0031] The outer wall of the cover plate 2 is fixedly sleeved with a sealing ring 26 to improve the sealing performance of the cover plate 2 .

[0032] A handle 27 is fixedly connected to the upper side wall of the cover plate 2 to facilitate operators to pull the cover plate 2.

[0033] In the utility model, when in use, the return sludge is transported to the centrifugal defoaming box 1 through the external pipeline, and then the external high-pressure gas is transported to the defoaming box 1 through the pressurizing box 5 and the pressurizing pipe 6 to pressurize the sludge, so that the bubbles in the sludge are quickly discharged, and the bubbles in the sludge are eliminated by the centrifugal defoamer 3, and then the delivery pump 7 is started to work, and the delivery pump 7 transports the sludge in the defoaming box 1 to the spray box 9, and the sludge after the bubbles are eliminated is sprayed out through the nozzle 10, so that the bubbles can be eliminated.

Claims

1. A device for enhancing the defoaming by releasing air and returning sludge, comprising a defoaming tank (1), characterized in that: A cover plate (2) is placed above the defoaming box (1), and the cover plate (2) is fixedly connected to the defoaming box (1) through a limit assembly. A centrifugal defoamer (3) is fixedly connected to the upper inner wall of the cover plate (2). The left side wall of the defoaming box (1) is fixedly connected to an air inlet pipe (4). The left end of the air inlet pipe (4) is fixedly connected to a pressurizing box (5). The left side wall of the pressurizing box (5) is fixedly connected to a pressurizing pipe (6). The right side wall of the defoaming box (1) is fixedly connected to an air inlet pipe (4). A delivery pump (7), wherein the feed end of the delivery pump (7) passes through the side wall of the defoaming box (1) and is located near the bottom of the defoaming box (1); the discharge end of the delivery pump (7) is fixedly connected to a discharge pipe (8); the right end of the discharge pipe (8) is fixedly connected to a spray box (9); the lower side wall of the spray box (9) is fixedly connected to a plurality of spray heads (10); the lower side wall of the defoaming box (1) is fixedly connected to a discharge pipe (11); a blocking component is provided in the discharge pipe (11).

2. The device for enhancing foam elimination by venting air and returning sludge according to claim 1, characterized in that: The limiting assembly comprises a plurality of transverse plates (12) fixedly connected to the upper side wall of the cover plate (2); the lower side wall of the transverse plate (12) is fixedly connected to a limiting pin (13); the left and right sides of the defoaming box (1) are fixedly connected to limiting cylinders (14) that match the limiting pin (13); the inner wall of the limiting cylinder (14) is provided with a positioning groove, and a positioning plate (15) is inserted into the positioning groove; the side walls on the opposite side of the positioning plate (15) and the limiting pin (13) are fixedly connected to a plurality of mutually matching latching teeth (16); the side wall of the positioning plate (15) is fixedly connected to a pull rod (17); the end of the pull rod (17) away from the positioning plate (15) extends out of the positioning groove and is fixedly connected to a pull plate (18); the pull plate (18) and the limiting cylinder (14) are fixedly connected with the same spring.

3. The device for enhancing foam elimination by venting air and returning sludge according to claim 2, characterized in that: A top groove is formed at the lower end of the limiting pin (13), and a top block (19) is fixedly connected to the upper inner wall of the top groove via a spring.

4. The device for enhancing the elimination of foam by venting air and returning sludge according to claim 3, characterized in that: The pipe wall of the discharge pipe (11) is provided with a blocking box (20), the side wall of the blocking box (20) is rotatably connected to a threaded cylinder (21), the outer wall of the threaded cylinder (21) is fixedly sleeved with a bevel gear ring, the right side wall of the blocking box (20) is fixedly connected to a motor (22), the output end of the motor (22) is fixedly connected to a bevel gear that meshes with the bevel gear ring, the threaded cylinder (21) is internally threaded with a threaded rod, the left end of the threaded rod is located in the blocking box (20) and is fixedly connected to a blocking block (23).

5. The device for enhancing the elimination of foam by venting air and returning sludge according to claim 4, characterized in that: A positioning slide plate (24) is fixedly connected to the lower inner wall of the blocking box (20), and a positioning slide groove matching the positioning slide plate (24) is formed on the rod wall of the threaded rod.

6. The device for enhancing the elimination of foam by venting air and returning sludge according to claim 5, characterized in that: A handle (25) is fixedly connected to the side wall of the pull plate (18).

7. The device for enhancing foam elimination by venting air and returning sludge according to claim 6, characterized in that: The lower part of the defoaming box (1) is a bucket-shaped structure.

8. The device for enhancing the elimination of foam by venting air and returning sludge according to claim 7, characterized in that: The outer wall of the cover plate (2) is fixedly sleeved with a sealing ring (26).

9. The device for enhancing the elimination of foam by venting air and returning sludge according to claim 8, characterized in that: A handle (27) is fixedly connected to the upper side wall of the cover plate (2).

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