Efficient integrated wastewater treatment denitrification device

Abstract

The utility model provides an efficient integrated wastewater treatment denitrification device which is applied to the technical field of wastewater treatment. The device comprises a tank body, a water inlet pipe is arranged on one side wall of the tank body, a water outlet pipe is arranged on the other side wall of the tank body, and the tank body is fixedly connected with the bottom end of a first partition plate, the top end of a second partition plate, the bottom end of a third partition plate, the top end of a fourth partition plate, the bottom end of a fifth partition plate, the top end of a sixth partition plate and a seventh partition plate; the seventh partition plate is provided with a plurality of water outlet holes. And the denitrification efficiency of wastewater treatment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a high-efficiency integrated wastewater treatment and denitrification device. Background Art

[0002] Wastewater treatment denitrification equipment is a device used to treat nitrogen in sewage. Its main function is to remove nitrogen compounds such as ammonia nitrogen, nitrite and nitrate in wastewater to meet environmental emission standards. The use of wastewater treatment denitrification equipment can reduce the discharge of wastewater and the concentration of pollutants, reduce environmental pollution and waste of resources; it can also convert nitrogen in wastewater into fertilizer, realize the reuse and recycling of resources, and promote the development of clean production and circular economy. Therefore, wastewater treatment denitrification equipment is of great significance.

[0003] At present, in the process of treating wastewater, the traditional wastewater treatment and denitrification device has a relatively low treatment efficiency when treating high-concentration wastewater, and multiple treatments are required to meet the discharge standards. Therefore, there is an urgent need for an efficient integrated wastewater treatment and denitrification device with high denitrification efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a high-efficiency integrated wastewater treatment and denitrification device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A highly efficient integrated wastewater treatment and denitrification device, comprising:

[0007] A pool body 1, wherein a water inlet pipe 2 is provided on one side wall of the pool body 1, and a water outlet pipe 3 is provided on the other side wall of the pool body 1, and the pool body 1 is fixedly connected to the bottom end of the first partition 4, the top end of the second partition 5, the bottom end of the third partition 6, the top end of the fourth partition 7, the bottom end of the fifth partition 8, the top end of the sixth partition 9, and the seventh partition 10 respectively; the first partition 4 is arranged between the side wall of the pool body 1 where the water inlet pipe 2 is located and the second partition 5; the second partition 5 is arranged between the first partition 4 and the third partition 6; the third partition 6 is arranged between the second partition 5 and the fourth partition 7; the fourth partition 7 is arranged between the third partition 6 and the fifth partition 8; the fifth partition 8 is arranged between the fourth partition 7 and the sixth partition 9; the sixth partition 9 is arranged between the fifth partition 8 and the seventh partition 10; the seventh partition 10 is arranged between the sixth partition 9 and the side wall of the pool body 1 where the water outlet pipe 3 is located; the seventh partition 10 is provided with a plurality of water outlet holes 15.

[0008] Furthermore, a plurality of flow promoters 11 are arranged on the side wall of the pool body 1 where the water inlet pipe 2 is located and on the first partition plate 4 .

[0009] Furthermore: a bottom aeration unit 12 is arranged on the front wall of the tank body 1 .

[0010] Furthermore, an upper inclined pipe system 13 is provided on the bottom of the pool body 1 , and the upper inclined pipe system 13 is provided between the fifth baffle 8 and the sixth baffle 9 .

[0011] Furthermore, a gas extraction and water extraction unit 14 is provided on the bottom of the pool body 1 , and the gas extraction and water extraction unit 14 is provided between the second partition plate 5 and the third partition plate 6 .

[0012] Furthermore: a nitrification liquid reflux pipe 16 is provided at the top of the pool body 1 .

[0013] Compared with the prior art, the beneficial effect of the utility model is that by isolating a pool body with a plurality of partitions to form areas with different functions, the utility model has a higher degree of integration, simplifies the denitrification process of wastewater, and thus improves the denitrification efficiency of wastewater treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 A top view cross-sectional view of a high-efficiency integrated wastewater treatment and denitrification device according to the utility model is shown;

[0016] Figure 2 A front cross-sectional view of a high-efficiency integrated wastewater treatment and denitrification device according to the utility model is shown;

[0017] The following are the descriptions of the reference numerals:

[0018] 1. Tank body; 2. Water inlet pipe; 3. Water outlet pipe; 4. First baffle; 5. Second baffle; 6. Third baffle; 7. Fourth baffle; 8. Fifth baffle; 9. Sixth baffle; 10. Seventh baffle; 11. Flow promoter; 12. Bottom aeration unit; 13. Upper inclined pipe system; 14. Air extraction and water discharge unit; 15. Water outlet hole; 16. Nitration liquid reflux pipe. DETAILED DESCRIPTION

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "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 invention and simplifying the description, rather than indicating or implying 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 invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] like Figure 1-Figure 2As shown, a high-efficiency integrated wastewater treatment and denitrification device comprises: a tank body 1, a side wall of the tank body 1 is provided with a water inlet pipe 2, and another side wall of the tank body 1 is provided with a water outlet pipe 3, and the tank body 1 is respectively fixedly connected to the bottom end of the first partition 4, the top end of the second partition 5, the bottom end of the third partition 6, the top end of the fourth partition 7, the bottom end of the fifth partition 8, the top end of the sixth partition 9, and the seventh partition 10; the first partition 4 is arranged between the side wall of the tank body 1 where the water inlet pipe 2 is located and the second partition 5, and the area between the first partition 4 and the tank body 1 is the anaerobic zone A; the second partition 5 is arranged between the first partition 4 and the third partition 6, and the area between the second partition 5 and the first partition 4 is the denitrification zone B; the third partition 6 is arranged between the second partition 5 and the fourth partition 7, the area between the third partition plate 6 and the second partition plate 5 is the first nitrification zone C; the fourth partition plate 7 is arranged between the third partition plate 6 and the fifth partition plate 8, and the area between the fourth partition plate 7 and the third partition plate 6 is the second nitrification zone D; the fifth partition plate 8 is arranged between the fourth partition plate 7 and the sixth partition plate 9, and the area between the fifth partition plate 8 and the fourth partition plate 7 is the third nitrification zone E; the sixth partition plate 9 is arranged between the fifth partition plate 8 and the seventh partition plate 10, and the area between the sixth partition plate 9 and the fifth partition plate 8 is the clarification zone F; the seventh partition plate 10 is arranged between the sixth partition plate 9 and the side wall of the tank body 1 where the outlet pipe 3 is located; the seventh partition plate 10 is provided with a plurality of outlet holes 15, and the area between the seventh partition plate 10 and the tank body 1 is the fourth nitrification zone G. The embodiment of the utility model integrates anaerobic, anoxic, aerobic and sedimentation in one pool to construct an integrated denitrification system with a compact structure and layout, effectively reducing the floor area by 30%-50%, reducing pipeline and civil engineering investment, increasing the effective use of space of the system, simplifying the treatment process of wastewater denitrification, and thus improving the denitrification efficiency of wastewater treatment; a plurality of flow propellors 11 are arranged on the side wall of the pool body 1 where the water inlet pipe 2 is located and on the first partition plate 4. The embodiment of the utility model improves the fluidity of the wastewater through the arrangement of the flow propellor, thereby improving the denitrification efficiency of the wastewater treatment; a bottom aeration unit 12 is arranged on the front wall of the pool body 1. The embodiment of the utility model can form an anoxic zone and an aerobic zone at the lower part of the sedimentation system through the setting of the aeration system. On the basis of the original AAO, the whole system is formed into an AAO+AO process pattern, which can effectively enhance the denitrification effect; an upper inclined pipe system 13 is arranged on the bottom of the tank body 1, and the upper inclined pipe system 13 is arranged between the fifth partition 8 and the sixth partition 9; an air extraction water unit 14 is arranged on the bottom of the tank body 1, and the air extraction water unit 14 is arranged between the second partition 5 and the third partition 6; a nitrification liquid reflux pipe 16 is arranged at the top of the tank body 1. The embodiment of the utility model adopts unpowered nitrification liquid reflux in the aerobic tank, and the reflux volume can reach dozens or even hundreds of times the water intake volume, which can greatly save energy consumption. At the same time, the large flow reflux can effectively buffer the impact and enhance the denitrification capacity, and the large flow nitrification liquid reflux forms a larger cross-sectional flow velocity, forming a strong plug flow force, which can effectively reduce the energy consumption of the stirring system.

[0023] The basic principles, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements shall fall within the scope of the utility model to be protected.

Claims

1. A highly efficient integrated wastewater treatment and denitrification device, characterized in that: include: A pool body (1), one side wall of the pool body (1) is provided with a water inlet pipe (2), the other side wall of the pool body (1) is provided with a water outlet pipe (3), the pool body (1) is respectively fixedly connected to the bottom end of a first partition (4), the top end of a second partition (5), the bottom end of a third partition (6), the top end of a fourth partition (7), the bottom end of a fifth partition (8), the top end of a sixth partition (9), and a seventh partition (10); the first partition (4) is arranged between the side wall of the pool body (1) where the water inlet pipe (2) is located and the second partition (5); the second partition (5) is arranged between the first partition (4) and the third partition (6). The third partition (6) is arranged between the second partition (5) and the fourth partition (7); the fourth partition (7) is arranged between the third partition (6) and the fifth partition (8); the fifth partition (8) is arranged between the fourth partition (7) and the sixth partition (9); the sixth partition (9) is arranged between the fifth partition (8) and the seventh partition (10); the seventh partition (10) is arranged between the sixth partition (9) and the side wall of the pool body (1) where the water outlet pipe (3) is located; and the seventh partition (10) is provided with a plurality of water outlet holes (15).

2. The high-efficiency integrated wastewater treatment and denitrification device according to claim 1 is characterized in that: A plurality of flow promoters (11) are arranged on the side wall of the pool body (1) where the water inlet pipe (2) is located and on the first baffle (4).

3. The high-efficiency integrated wastewater treatment and denitrification device according to claim 1 is characterized in that: A bottom aeration unit (12) is provided on the front wall of the tank body (1).

4. The high-efficiency integrated wastewater treatment and denitrification device according to claim 1 is characterized in that: An upper inclined pipe system (13) is provided on the bottom of the pool body (1), and the upper inclined pipe system (13) is provided between the fifth baffle (8) and the sixth baffle (9).

5. The high-efficiency integrated wastewater treatment and denitrification device according to claim 1 is characterized in that: A gas extraction and water removal unit (14) is provided on the bottom of the pool body (1), and the gas extraction and water removal unit (14) is arranged between the second partition plate (5) and the third partition plate (6).

6. The high-efficiency integrated wastewater treatment and denitrification device according to claim 1 is characterized in that: A nitrification liquid reflux pipe (16) is provided at the top of the tank body (1).

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