A filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant

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By designing a sewage plant to improve the standard and expand the capacity of the capacity of the filler-free sewage load lifting device, and using automatic filtration and mixing technology, the problems of blockage and large land occupation in sewage treatment have been solved, and efficient and stable sewage treatment and reduction in the area have been achieved.

CN119774784AInactive Publication Date: 2025-04-08QINGDAO YIHAI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202411661431.2
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2024-11-20
Publication Date: 2025-04-08
Estimated Expiration: Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing sewage treatment technology is prone to blockage during the process of increasing standards and expanding capacity, covers a large area, and is difficult to effectively solve the problem of tight land use.

Method used

A sewage plant has been designed to improve the standard and expand the capacity of the capacity of the filler-free sewage load lifting device. By setting up filter components and valve components, the sewage can be automatically filtration and mixing, avoid blockage and reduce the floor area.

Benefits of technology

The device can automatically clean up the sludge on the filter, ensure the continuity and efficiency of sewage treatment, reduce the floor area, and increase the sludge concentration and biomass, making the system operation more stable.

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Abstract

The present invention discloses a non-filler sewage load lifting device for upgrading and expanding the capacity of a sewage treatment plant, and belongs to the technical field of sewage treatment. A non-filler sewage load lifting device for upgrading and expanding the capacity of a sewage treatment plant comprises a box body, a protective cover is fixedly connected to the outer side of the box body, and three partitions are fixedly connected to the inner cavity of the box body, and the three partitions divide the inner cavity of the box body into a first reaction zone, a second reaction zone, a third reaction zone and a fourth reaction zone. For the transformation project, the present invention does not need to add any structures or a new tank body. The present invention is placed in the original tank body to achieve the effect of upgrading and expanding the capacity. For new projects, structures such as the secondary sedimentation tank can be omitted, which greatly reduces the floor space. The activated sludge facultative oxic bacteria cultured by the present invention can carry out simultaneous nitrification and denitrification reactions, and the sedimentation rate is relatively fast, which can significantly increase the sludge concentration of the system, increase the biomass in the system, and the high and rich bacterial abundance makes the system run more stably.

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Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and more specifically to a filler-free sewage load lifting device for improving the standard and expanding the capacity of a sewage plant. Background Art

[0002] The current status of sewage treatment is that new projects have become saturated and are decreasing year by year, while projects for upgrading and expanding capacity are increasing. If existing plants need to upgrade and expand capacity, they need to introduce another set or multiple sets of technologies on top of the original traditional technologies, such as biological fluidized bed process, sulfur autotrophic process, and denitrification filter tank. However, the disadvantages of the existing technologies are similar. The process of adding filter media is prone to clogging, and the cost of replacing filter media in the later stage is high. In addition, the land area is large for projects that need to be renovated. Projects that need to be upgraded and renovated need to add new structures and pools or add integrated equipment, which cannot solve the problem of land shortage. Based on this, the present invention designs a filler-free sewage load lifting device for upgrading and expanding the capacity of sewage treatment plants to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a filler-free sewage load lifting device for improving the standard and expanding the capacity of a sewage treatment plant, so as to solve the problems raised in the above-mentioned background technology.

[0004] A filler-free sewage load lifting device for improving the standard and expanding the capacity of a sewage treatment plant comprises a box body, the inner cavity of the box body is fixedly connected to three partitions, the three partitions divide the inner cavity of the box body into a first reaction zone, a second reaction zone, a third reaction zone and a fourth reaction zone, the inner cavity of the first reaction zone is provided with a spoiler, a filter assembly is provided below the spoiler, the filter assembly is connected to the box body, a backwashing device is fixedly installed on the inner wall of the box body located in the first reaction zone, the backwashing device penetrates the partition and extends to the third reaction zone, a through groove is provided on the outer side of the partition, a valve assembly is provided on the inner wall of the box body located in the second reaction zone, the valve assembly is fitted with the partition close to the first reaction zone, a water outlet weir plate is fixedly connected to the inner walls of the box body located in the third reaction zone and the fourth reaction zone, and a water inlet baffle is fixedly connected to the inner wall of the box body located in the fourth reaction zone.

[0005] Preferably, the filter assembly includes a mounting frame fixedly connected to the inner wall of the box body, the inner cavity of the mounting frame is fixedly connected to the filter screen, and a mounting plate is arranged below the mounting frame, a brush is fixedly connected to the side of the mounting plate close to the filter screen, and a threaded seat is fixedly connected to the side of the mounting plate away from the filter screen, a threaded rod 1 is threadedly connected to the outer side of the threaded seat, one end of the threaded rod 1 is rotatably connected to the box body, and the other end of the threaded rod 1 is fixedly connected to a motor 1, and the motor 1 is fixedly connected to the box body.

[0006] Preferably, a guide seat is fixedly connected to the outer side of the mounting plate, and a guide rod is slidably connected to the outer side of the guide seat.

[0007] Preferably, the valve assembly includes a bearing seat fixedly connected to the outside of the partition, the outer side of the bearing seat is rotatably connected to a threaded rod 2, the threaded rod 2 penetrates the box and is fixedly connected to a motor 2, and the outer side of the threaded rod 2 is threadedly connected to a threaded block, the outer side of the threaded block is fixedly connected to a valve plate, and the valve plate is fitted with the partition.

[0008] Preferably, the outer side of the valve plate is fixedly connected to a limit seat, the outer side of the limit seat is slidably connected to a limit rod, one end of the limit rod is fixedly connected to the box body, and the other end of the limit rod is fixedly connected to a fixed seat.

[0009] Preferably, a water inlet pipe is fixedly connected to the side of the box body close to the first reaction zone, and four reflux devices are arranged on the front of the box body, and the four reflux devices are respectively connected to the first reaction zone, the second reaction zone, the third reaction zone and the fourth reaction zone.

[0010] Compared with the prior art, the advantages of the present invention are:

[0011] 1) In the present invention, by setting a filter assembly, the device can intercept heavy sludge through the filter net when treating sewage. At the same time, since the device can automatically control the rotation of the threaded rod, the device can automatically control the mounting plate to move back and forth, so that the device can clean the sludge attached to the filter net, thereby avoiding clogging of the filter net.

[0012] 2) In the present invention, by setting a valve assembly, the device can automatically control the rotation of the threaded rod 2 when treating sewage, so that the device can automatically control the up and down movement of the valve plate, so that the valve plate blocks and then disengages from the through groove on the partition, thereby preventing the activated sludge and sewage in the inner cavity of the first reaction zone from flowing into the second reaction zone without being fully mixed, thereby further improving the practical performance of the device.

[0013] 3) In summary, the present invention does not require the addition of any structures or the construction of new tanks for renovation projects. The present invention can be placed in the original tank to achieve the effect of improving the standard and expanding the capacity. For new projects, structures such as secondary sedimentation tanks can be omitted, which greatly reduces the floor space. The activated sludge facultative aerobic bacteria cultured in the present invention can carry out simultaneous nitrification and denitrification reactions, with a faster sedimentation rate, which can significantly increase the sludge concentration of the system and increase the biomass in the system. The higher and richer bacterial abundance makes the system run more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2It is a cross-sectional view of the box structure of the present invention;

[0016] Figure 3 It is a schematic diagram of the structure of the filter assembly of the present invention;

[0017] Figure 4 It is a schematic diagram of the structure of the valve assembly of the present invention.

[0018] Explanation of the numbers in the figure: 1. Box body; 2. Partition; 3. Spoiler; 4. Filter assembly; 41. Mounting frame; 42. Filter screen; 43. Mounting plate; 44. Brush; 45. Guide seat; 46. Guide rod; 47. Threaded seat; 48. Threaded rod one; 49. Motor one; 5. Backwash device; 6. Through groove; 7. Valve assembly; 71. Bearing seat; 72. Threaded rod two; 73. Threaded block; 74. Valve plate; 75. Limit seat; 76. Limit rod; 77. Fixed seat; 78. Motor two; 8. Outlet weir plate; 9. Inlet baffle; 10. Inlet pipe; 11. Reflux device. DETAILED DESCRIPTION

[0019] Example: See Figure 1-4 A filler-free sewage load lifting device for improving the standard and expanding the capacity of a sewage treatment plant comprises a box body, the inner cavity of the box body is fixedly connected with three partitions, the three partitions divide the inner cavity of the box body into a first reaction zone, a second reaction zone, a third reaction zone and a fourth reaction zone, the inner cavity of the first reaction zone is provided with a spoiler, a filter assembly is provided below the spoiler, the filter assembly is connected to the box body, a backwashing device is fixedly installed on the inner wall of the box body located in the first reaction zone, the backwashing device penetrates the partition and extends to the third reaction zone, a through groove is provided on the outer side of the partition, A valve assembly is provided on the inner wall of the box body located in the second reaction zone, and the valve assembly is fitted with the partition plate on the side close to the first reaction zone. A water outlet weir plate is fixedly connected to the inner walls of the box body located in the third reaction zone and the fourth reaction zone, and a water inlet baffle is fixedly connected to the inner wall of the box body located in the fourth reaction zone. In order to facilitate the use of the device, a water inlet pipe is fixedly connected to the side of the box body close to the first reaction zone, and four reflux devices are provided on the front of the box body, and the four reflux devices are respectively connected to the first reaction zone, the second reaction zone, the third reaction zone and the fourth reaction zone.

[0020] The filter assembly includes a mounting frame fixedly connected to the inner wall of the box, the inner cavity of the mounting frame is fixedly connected to the filter screen, and a mounting plate is arranged below the mounting frame, a brush is fixedly connected to the side of the mounting plate close to the filter screen, and a threaded seat is fixedly connected to the side of the mounting plate away from the filter screen, a threaded rod 1 is threadedly connected to the outer side of the threaded seat, one end of the threaded rod 1 is rotatably connected to the box, and the other end of the threaded rod 1 is fixedly connected to a motor 1, and the motor 1 is fixedly connected to the box, wherein, in order to ensure the normal operation of the mounting plate, a guide seat is fixedly connected to the outer side of the mounting plate, and a guide rod is slidably connected to the outer side of the guide seat.

[0021] By setting up the filter assembly, the device can intercept heavy sludge through the filter net when treating sewage. At the same time, since the device can automatically control the rotation of the threaded rod, the device can automatically control the mounting plate to move back and forth, so that the device can clean the sludge attached to the filter net, thereby avoiding clogging of the filter net.

[0022] The valve assembly includes a bearing seat fixedly connected to the outer side of the partition, the outer side of the bearing seat is rotatably connected with a threaded rod 2, the threaded rod 2 penetrates the box and is fixedly connected with a motor 2, and the outer side of the threaded rod 2 is threadedly connected with a threaded block, the outer side of the threaded block is fixedly connected with a valve plate, and the valve plate is fitted with the partition, wherein, in order to ensure the normal operation of the valve plate, the outer side of the valve plate is fixedly connected to a limit seat, the outer side of the limit seat is slidably connected to a limit rod, one end of the limit rod is fixedly connected to the box, and the other end of the limit rod is fixedly connected to a fixed seat.

[0023] By setting up the valve assembly, the device can automatically control the rotation of the threaded rod 2 when treating sewage, so that the device can automatically control the up and down movement of the valve plate, so that the valve plate blocks and then disengages from the through groove on the partition, thereby preventing the activated sludge and sewage in the inner cavity of the first reaction zone from flowing into the second reaction zone without being fully mixed, thereby further improving the practical performance of the device.

[0024] Working principle of the present invention:

[0025] First, the sewage flows to the first reaction zone through the water inlet pipe, and then the motor is controlled to work, so that the threaded rod drives the threaded seat connected to it to move, and the threaded seat drives the mounting plate fixedly connected to it to move synchronously when moving, so that the mounting plate drives the brush fixedly connected to it to move, and the brush cleans the sludge on the filter screen when moving;

[0026] Then, the motor 2 is controlled to work, so that the motor 2 drives the threaded rod 2 fixedly connected to its output shaft to rotate, so that the threaded rod 2 drives the threaded block threadedly connected to it to move, and when the threaded block moves, it drives the valve plate fixedly connected to it to move, so that the valve plate blocks the through groove on the partition plate and then disengages, thereby preventing the activated sludge from being mixed insufficiently with the sewage;

[0027] The sewage flows from bottom to top in the first reaction zone. In addition, the first reaction zone uses a backwash device to return the sludge mixture from the third reaction zone to the bottom of the first reaction zone. While adding a group of nitrification liquid reflux, the rising flow rate of the first reaction zone can be artificially controlled, which is conducive to the formation of anaerobic bacteria. At the same time, the reflux device of the first reaction zone returns the sewage to the system. The sewage passes through the first reaction zone and reaches the second reaction zone through the grooves opened on the partitions of the first reaction zone and the second reaction zone. The high-quality sludge in the second reaction zone is returned to the system through the reflux device of the second reaction zone. After passing through the second reaction zone, the sewage enters the third reaction zone. The third reaction zone is a water collection area and a sedimentation area. In this area, sewage is separated from mud and water, and the sludge is refluxed into the system through the reflux device of the third reaction zone, and the supernatant is discharged through the outlet weir in the third reaction zone. The mixed liquid enters the fourth reaction zone after passing through the third reaction zone. The fourth reaction zone is a water collection area and a clarification area. Since sewage enters the fourth reaction zone at a high position, when water enters the fourth reaction zone, the water flow rate is slowed down by the water inlet baffle to prevent the phenomenon of mud and water separation. The reflux device of the fourth reaction zone refluxes the concentrated sludge from the fourth reaction zone into the system. In addition, the fourth reaction zone is also provided with a sludge discharge pipe to discharge the aged and screened sludge out of the system, and the supernatant is discharged through the outlet weir of the fourth reaction zone.

[0028] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant, comprising a housing (1), characterized in that: The inner cavity of the box (1) is fixedly connected to three partitions (2), and the three partitions (2) divide the inner cavity of the box (1) into a first reaction zone, a second reaction zone, a third reaction zone and a fourth reaction zone. The inner cavity of the first reaction zone is provided with a spoiler (3), and a filter assembly (4) is provided below the spoiler (3). The filter assembly (4) is connected to the box (1). A backwashing device (5) is fixedly installed on the inner wall of the box (1) located in the first reaction zone. The backwashing device (5) The device (5) passes through the partition (2) and extends to the third reaction zone. A through groove (6) is provided on the outer side of the partition (2). A valve assembly (7) is provided on the inner wall of the box body (1) located in the second reaction zone. The valve assembly (7) is in contact with the partition (2) on the side close to the first reaction zone. A water outlet weir plate (8) is fixedly connected to the inner wall of the box body (1) located in the third reaction zone and the fourth reaction zone, and a water inlet baffle plate (9) is fixedly connected to the inner wall of the box body (1) located in the fourth reaction zone.

2. According to claim 1, a filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant is characterized by: The filter assembly (4) comprises a mounting frame (41) fixedly connected to the inner wall of the housing (1); the inner cavity of the mounting frame (41) is fixedly connected to a filter screen (42); a mounting plate (43) is arranged below the mounting frame (41); a side of the mounting plate (43) close to the filter screen (42) is fixedly connected to a brush (44); a side of the mounting plate (43) away from the filter screen (42) is fixedly connected to a threaded seat (47); the outer side of the threaded seat (47) is threadedly connected to a threaded rod (48); one end of the threaded rod (48) is rotatably connected to the housing (1); and the other end of the threaded rod (48) is fixedly connected to a motor (49); and the motor (49) is fixedly connected to the housing (1).

3. According to claim 2, a filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant is characterized by: The outer side of the mounting plate (43) is fixedly connected to a guide seat (45), and the outer side of the guide seat (45) is slidably connected to a guide rod (46).

4. According to claim 1, a filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant is characterized by: The valve assembly (7) comprises a bearing seat (71) fixedly connected to the outer side of the partition (2); the outer side of the bearing seat (71) is rotatably connected to a second threaded rod (72); the second threaded rod (72) penetrates the housing (1) and is fixedly connected to a second motor (78); the outer side of the second threaded rod (72) is threadedly connected to a threaded block (73); the outer side of the threaded block (73) is fixedly connected to a valve plate (74); the valve plate (74) is in contact with the partition (2).

5. A filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant according to claim 4, characterized in that: The outer side of the valve plate (74) is fixedly connected to a limit seat (75), the outer side of the limit seat (75) is slidably connected to a limit rod (76), one end of the limit rod (76) is fixedly connected to the box body (1), and the other end of the limit rod (76) is fixedly connected to a fixed seat (77).

6. According to claim 1, a filler-free sewage load lifting device for increasing the standard and capacity of a sewage treatment plant is characterized by: A water inlet pipe (10) is fixedly connected to the side of the box body (1) close to the first reaction zone, and four reflux devices (11) are arranged on the front of the box body (1), and the four reflux devices (11) are respectively connected to the first reaction zone, the second reaction zone, the third reaction zone and the fourth reaction zone.