Integrated sewage treatment equipment

By designing integrated sewage treatment equipment, using sulfur-based and sulfide-ferrous filler layers and microbial reaction zones, the problems of carbon source addition and sludge increase in traditional technology are solved, and the nitrate nitrogen in sewage is efficiently removed and improved Total nitrogen removal accuracy meets stricter emission standards.

CN222331733UActive Publication Date: 2025-01-10SHANDONG HONGSHI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202421101964.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-10
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

Traditional heterotrophic denitrification technology requires the consumption of carbon sources in sewage treatment, resulting in high operating costs, increased sludge production, and low overall nitrogen removal accuracy, making it difficult to meet stricter emission standards.

Method used

The integrated sewage treatment equipment is designed, including raw water tanks, conveying components, storage components, sulfur-based filler layers, sulfide iron filler layers, microbial reaction zones and solid-liquid separation zones. Through these components, the nitrate nitrogen in the sewage is solved. Problems of carbon source injection and increased sludge volume and improved overall nitrogen removal accuracy.

Benefits of technology

Effectively remove nitrate nitrogen from sewage, reduce sludge production and operating costs, improve the accuracy of total nitrogen removal, and meet stricter emission standards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sewage treatment equipment, and discloses integrated sewage treatment equipment which comprises a raw water tank and further comprises a conveying assembly arranged on one side of the raw water tank and used for conveying sewage, one end of the conveying assembly is communicated with a bearing layer, and a storage assembly is arranged at the top of the bearing layer; sewage in a raw water pool can be conveniently guided into the reactor tank body by arranging the conveying assembly, nitrate nitrogen in water can be conveniently removed by arranging the sulfur-based filler layer and the ferrous sulfide filler layer, nitrate nitrogen can be further conveniently removed by arranging the microbial reaction area, and the solid-liquid separation area is arranged, so that the nitrogen removal efficiency is improved. The sewage treatment device can be used for conveniently carrying out solid-liquid separation on sewage, and the defects of carbon source addition, sludge quantity increase, lower load, low total nitrogen removal precision and the like in heterotrophic denitrification are overcome.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to an integrated sewage treatment equipment. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a water body or reuse. Sewage treatment equipment is an industrial equipment that can effectively treat urban domestic sewage, industrial wastewater, etc., and prevent sewage and pollutants from directly flowing into waters. It is of great significance to improving the ecological environment, enhancing the quality of the city and promoting economic development.

[0003] Under the pressure of multiple policy demands and environmental governance, sewage treatment plants will usher in a new round of upgrading and transformation market. Sewage treatment plants must seek effective processes or measures in operation management and technical transformation to cope with more stringent emission standards. The traditional heterotrophic denitrification technology and autotrophic denitrification technology currently exist in the market. Traditional heterotrophic denitrification requires consumption of carbon source during the reaction process. The additional addition of carbon source to wastewater with a low carbon-nitrogen ratio will increase the operating cost. The addition of carbon source will increase sludge production and increase the burden on the sewage treatment denitrification system. Traditional denitrification has low removal accuracy and needs to be determined through traditional aerobic biochemical methods to determine the total nitrogen accuracy. Projects for upgrading and transformation also need to be coordinated with other processes, and there are limitations when used. Utility Model Content

[0004] The purpose of the utility model is to provide an integrated sewage treatment device to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: an integrated sewage treatment equipment, including a raw water pool, and also including:

[0006] A conveying assembly for conveying sewage arranged at one side of the raw water pool, one end of the conveying assembly is connected to a supporting layer, and a storage assembly is arranged on the top of the supporting layer;

[0007] A sulfur-based filler layer for removing nitrate nitrogen from sewage is arranged inside the storage component, a sulfide iron filler layer for removing nitrate nitrogen from sewage is arranged above the sulfur-based filler layer, a microbial reaction zone for further removing nitrate nitrogen is arranged above the sulfide iron filler layer, a solid-liquid separation zone for solid-liquid separation of sewage is arranged above the microbial reaction zone, and a water outlet weir is arranged above the solid-liquid separation zone.

[0008] Preferably, the conveying assembly includes a water inlet pump connected to one side of the raw water tank, one side of the water inlet pump is connected to a transversely arranged first water pipe, one end of the first water pipe is connected to a flow meter, one side of the flow meter is connected to a second water pipe, and one end of the second water pipe is connected to one side of the supporting layer.

[0009] Preferably, the storage assembly comprises a reactor tank body disposed on the top of the supporting layer, and a plurality of through holes are formed at the bottom of the reactor tank body.

[0010] Preferably, the storage assembly further comprises a feed inlet and a discharge port respectively opened on one side of the reactor tank body, and a water outlet is opened on the other side of the reactor tank body.

[0011] Preferably, one side of the supporting layer is connected to a transversely arranged air duct, and one side of the air duct is provided with a backwash fan.

[0012] Preferably, one side of the supporting layer is connected to a third water pipe which is arranged transversely, and one end of the third water pipe is connected to a backwash water pump.

[0013] Preferably, one side of the reactor tank is connected to a water outlet pipe, and the other end of the water outlet pipe is connected to a water outlet collection tank.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model can facilitate the introduction of sewage in the raw water pool into the reactor tank by arranging a conveying component, can facilitate the removal of nitrate nitrogen in the water by arranging a sulfur-based filler layer and a sulfide iron filler layer, can facilitate the further removal of nitrate nitrogen by arranging a microbial reaction zone, can facilitate the solid-liquid separation of sewage by arranging a solid-liquid separation zone, and solves the shortcomings of heterotrophic denitrification such as adding carbon source, increasing sludge amount, low load and low total nitrogen removal accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of the integrated sewage treatment equipment provided by the utility model;

[0017] Figure 2 A schematic diagram of the storage assembly structure provided by the utility model;

[0018] Figure 3 A schematic diagram of the structure of the water inlet assembly provided by the utility model;

[0019] Figure 4 This is a schematic diagram of the reactor tank structure provided by the utility model.

[0020] In the figure: 1. raw water tank; 2. conveying component; 21. water inlet pump; 22. first water pipe; 23. flow meter; 24. second water pipe; 3. supporting layer; 4. storage component; 41. reactor tank; 42. through hole; 43. feed port; 44. discharge port; 45. water outlet; 5. sulfur-based filler layer; 6. sulfide iron filler layer; 7. microbial reaction zone; 8. solid-liquid separation zone; 9. water outlet weir; 10. air duct; 11. backwash fan; 12. third water pipe; 13. backwash water pump; 14. water outlet pipe; 15. water outlet collection tank. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] See also Figure 1-4 As shown, an integrated sewage treatment equipment includes a raw water tank 1. By setting the raw water tank 1, it is convenient to store sewage. A conveying component 2 for conveying sewage is arranged on one side of the raw water tank 1. By setting the conveying component 2, it is convenient to convey sewage. One end of the conveying component 2 is connected to a supporting layer 3. By setting the supporting layer 3, it is convenient to support the reactor tank 41. A storage component 4 is arranged on the top of the supporting layer 3. By setting the storage component 4, it is convenient to store sewage; a sulfur-based filler layer 5 for removing nitrate nitrogen in sewage is arranged inside the storage component 4. By setting the sulfur-based filler layer 5, it is convenient to filter sewage, which solves the problem of sludge volume. A sulfide iron filler layer 6 for removing nitrate nitrogen is arranged above the sulfide-based filler layer 5. By setting the sulfide iron filler layer 6, it is convenient to filter the sewage, and the disadvantage of low total nitrogen removal accuracy is solved. A microbial reaction zone 7 for further removing nitrate nitrogen is arranged above the sulfide iron filler layer 6. By setting the microbial reaction zone 7, the disadvantage of low total nitrogen removal accuracy is solved. A solid-liquid separation zone 8 for solid-liquid separation of sewage is arranged above the microbial reaction zone 7. By setting the solid-liquid separation zone 8, it is convenient to separate the sludge and water in the sewage. A water outlet weir 9 is arranged above the solid-liquid separation zone 8. By setting the water outlet weir 9, it is convenient to discharge the filtered sewage.

[0023] refer to Figure 3As shown, the conveying component 2 includes a water inlet pump 21 connected to one side of the raw water tank 1. By setting the water inlet pump 21, the sewage in the raw water tank 1 can be easily introduced into the first water pipe 22. One side of the water inlet pump 21 is connected to the first water pipe 22 arranged horizontally. By setting the first water pipe 22, the sewage can be easily transported. One end of the first water pipe 22 is connected to a flow meter 23. By setting the flow meter 23, the sewage flow can be easily recorded. One side of the flow meter 23 is connected to the second water pipe 24, and one end of the second water pipe 24 is connected to one side of the supporting layer 3. By setting the second water pipe 24, the sewage can be easily transported.

[0024] refer to Figure 2 and Figure 4 As shown, the storage component 4 includes a reactor tank body 41 arranged on the top of the supporting layer 3. By setting the reactor tank body 41, it is convenient to store the sewage and thus filter it. A plurality of through holes 42 are opened at the bottom of the reactor tank body 41. By setting the through holes 42, it is convenient to flush it with the backwash fan 11 and the backwash water pump 13; the storage component 4 also includes a feed port 43 and a discharge port 44 respectively opened on one side of the reactor tank body 41. By setting the feed port 43, it is convenient to fill the sulfur-based filler layer 5 and the sulfide iron filler layer 6 in the reactor tank body 41. A water outlet 45 is opened on the other side of the reactor tank body 41. By setting the discharge port 44, it is convenient to discharge the sludge filtered out of the sewage. By setting the water outlet 45, it is convenient to introduce the filtered sewage into the effluent collection tank 15.

[0025] refer to Figure 2 and Figure 4 As shown, one side of the supporting layer 3 is connected to a transversely arranged air guide pipe 10. By setting the air guide pipe 10, it is convenient for the backwashing fan 11 to air wash the main body. One side of the air guide pipe 10 is provided with a backwashing fan 11. By providing the backwashing fan 11, it is convenient to air wash the main body; one side of the supporting layer 3 is connected to a transversely arranged third water guide pipe 12. By providing the third water guide pipe 12, it is convenient to cooperate with the backwashing water pump 13 to wash the reactor tank body 41. One end of the third water guide pipe 12 is connected to the backwashing water pump 13. By providing the backwashing water pump 13, it is convenient to wash the reactor tank body 41; one side of the reactor tank body 41 is connected to a water outlet pipe 14. By providing the water outlet pipe 14, it is convenient to discharge sewage into the water outlet collection tank 15. The other end of the water outlet pipe 14 is connected to the water outlet collection tank 15. By providing the water outlet collection tank 15, it is convenient to store the filtered sewage.

[0026] Working principle: When in use, first turn on the water inlet pump 21 to guide the sewage in the raw water tank 1 into the first water pipe 22. The first water pipe 22 transports the sewage to the reactor tank body 41 through the flow meter 23 and the second water pipe 24. In the reactor tank body 41, the sewage passes through the supporting layer 3, the sulfur-based filler layer 5, the sulfide filler layer 6, the microbial reaction area 7, the solid-liquid separation area 8 and the outlet weir 9 from bottom to top, and enters the outlet water collection tank 15 through the outlet pipe 14. When the equipment has been running for a period of time and the filler layer has retained a lot of suspended matter, first turn on the backwash fan 11 to air wash the reactor tank body 41, then turn on the backwash water pump 13 to perform air-water combined backwashing on the reactor tank body 41, then turn off the backwash fan 11 for water washing, and finally turn off the backwash water pump 13 to complete the entire backwashing process.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An integrated sewage treatment device, comprising a raw water tank (1), characterized in that: Also includes: A conveying assembly (2) for conveying sewage, arranged on one side of the raw water pool (1), one end of the conveying assembly (2) being connected to a supporting layer (3), and a storage assembly (4) being arranged on the top of the supporting layer (3); A sulfur-based filler layer (5) for removing nitrate nitrogen from sewage is arranged inside the storage component (4); a sulfide iron filler layer (6) for removing nitrate nitrogen from sewage is arranged above the sulfur-based filler layer (5); a microbial reaction zone (7) for further removing nitrate nitrogen is arranged above the sulfide iron filler layer (6); a solid-liquid separation zone (8) for performing solid-liquid separation on sewage is arranged above the microbial reaction zone (7); and a water outlet weir (9) is arranged above the solid-liquid separation zone (8).

2. The integrated sewage treatment equipment according to claim 1, characterized in that: The conveying assembly (2) comprises a water inlet pump (21) connected to one side of the raw water pool (1); one side of the water inlet pump (21) is connected to a first water pipe (22) arranged transversely; one end of the first water pipe (22) is connected to a flow meter (23); one side of the flow meter (23) is connected to a second water pipe (24); and one end of the second water pipe (24) is connected to one side of the supporting layer (3).

3. The integrated sewage treatment equipment according to claim 1, characterized in that: The storage assembly (4) comprises a reactor tank body (41) arranged on the top of the supporting layer (3), and a plurality of through holes (42) are opened at the bottom of the reactor tank body (41).

4. The integrated sewage treatment equipment according to claim 3 is characterized in that: The storage assembly (4) further comprises a feed inlet (43) and a discharge outlet (44) respectively opened on one side of the reactor tank body (41), and a water outlet (45) is opened on the other side of the reactor tank body (41).

5. The integrated sewage treatment equipment according to claim 1, characterized in that: One side of the supporting layer (3) is connected to a transversely arranged air guide pipe (10), and one side of the air guide pipe (10) is provided with a backwash fan (11).

6. The integrated sewage treatment equipment according to claim 1, characterized in that: One side of the supporting layer (3) is connected to a third water pipe (12) arranged transversely, and one end of the third water pipe (12) is connected to a backwash water pump (13).

7. The integrated sewage treatment equipment according to claim 3, characterized in that: One side of the reactor tank (41) is connected to a water outlet pipe (14), and the other end of the water outlet pipe (14) is connected to a water outlet collection tank (15).