Total nitrogen removal device applied to river water treatment

Abstract

The utility model discloses a total nitrogen removal device applied to river water treatment, which relates to the technical field of river water treatment and comprises a tank unit, a nitrogen removal unit arranged in the tank unit and an opening and closing unit arranged on the front end face of the tank unit. The nitrogen removal unit comprises a water inlet pipe fixedly connected to the center of the lower portion of the front end face of the tank body unit and a sulfur autotrophic filler filled in the tank body unit and used for nitration nitrogen removal, and the opening and closing unit comprises a fixed rotating base fixedly connected to the front end face of the tank body unit and a rotating plate arranged on the outer surface of the fixed rotating base in a sleeving mode and used for rotating. According to the total nitrogen removal device applied to river water treatment, a small amount of carbon source is added for denitrification treatment, so that the running cost of river water treatment is reduced, the sampling ports are conveniently sealed and plugged, the two sampling ports are conveniently sampled, and the nitrogen content and the filler saturation are conveniently sampled and detected in real time; the total nitrogen removal effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of river water treatment, in particular to a total nitrogen removal device used for river water treatment. Background Art

[0002] With the gradual popularization of environmental awareness, we all know that the large-scale discharge of nitrogen and phosphorus elements will cause eutrophication of water bodies. However, there is often a large amount of total nitrogen in the current river water. Therefore, in the field of river water management, the removal of total nitrogen is also an important indicator of whether the river water meets the emission standards.

[0003] Currently on the market, traditional biological denitrification processes require the addition of a large amount of carbon source, have relatively high operating costs, and are inconvenient to sample and detect real-time data during the denitrification process, which reduces the efficiency and quality of denitrification. Therefore, it is necessary to provide a total nitrogen removal device for river water treatment. Utility Model Content

[0004] The main purpose of the utility model is to provide a total nitrogen removal device for river water treatment, which can effectively solve the problems in the background technology that a large amount of carbon source needs to be added, the operating cost is relatively high, and it is inconvenient to sample and detect real-time data during the nitrogen removal process, thereby reducing the efficiency and quality of nitrogen removal.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a total nitrogen removal device applied to river water treatment, comprising a tank unit, a nitrogen removal unit arranged inside the tank unit and an opening and closing unit arranged on the front end surface of the tank unit;

[0006] The denitrification unit comprises a water inlet pipe fixedly connected to the center below the front end surface of the tank unit, and a sulfur autotrophic filler for nitrification and denitrification filled inside the tank unit;

[0007] The opening and closing unit comprises a fixed rotating seat fixedly connected to the front end surface of the tank unit, and a rotating plate for rotating direction sleeved on the outer surface of the fixed rotating seat.

[0008] Preferably, the tank unit comprises a bottom support, a processing tank fixedly connected to the top of the bottom support, and a covering plate installed on the top of the processing tank.

[0009] Preferably, the denitrification unit further comprises an exhaust pipe fixedly connected to the bottom of one side of the processing tank body, a water outlet pipe fixedly connected above the front end surface of the processing tank body, and two sampling ports opened on the front end surface of the processing tank body.

[0010] Preferably, the opening and closing unit also includes a threaded hole opened on the front end surface of one end of the rotating plate, an adjusting screw passing through the threaded hole, a sealing blocking block fixedly connected to one end of the adjusting screw, and a rotating ear fixedly connected to the other end of the adjusting screw.

[0011] Preferably, the sealing plate is an embedded structure, the front cross-section of the sealing plate is a "π"-shaped structure, and the bottom plates on both sides of the sealing plate are tightly fitted with the relative inner wall surfaces of the processing tank body.

[0012] Preferably, the water inlet pipe is arranged below the sulfur autotrophic filler, the drain pipe is also arranged below the sulfur autotrophic filler, one sampling port is located above the sulfur autotrophic filler, and the other sampling port is located at the center of the sulfur autotrophic filler.

[0013] Preferably, there are two rotating plates, and one end of the two rotating plates is sleeved on the outer surface of the fixed rotating seat, one above and one below, the adjusting screw is threadedly connected to the rotating plate through a threaded hole, and the outer diameter of the sealing block is adapted to the inner diameter of the sampling port.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. In the utility model, river water enters the lower part of the device through an inlet pipe, and the river water flows through the sulfur autotrophic filler and is discharged from the outlet pipe. Through the action of the sulfur autotrophic filler and the microbial strains, a denitrification reaction occurs, and the nitrate nitrogen in the river water is converted into nitrogen gas, which can then play a role in denitrification. At the same time, the nitrogen gas formed by denitrification is discharged through the emptying pipe. The nitrogen content and the filler saturation degree can be sampled and detected through the two sampling ports, and the data can be detected in real time, thereby improving the effect of total nitrogen removal. A small amount of carbon source is used for denitrification treatment, which reduces the operating cost of river water treatment.

[0016] 2. In the utility model, when it is necessary to process the nitrogen content and filler saturation degree inside the tank body, firstly, the adjusting screw is rotated by the rotating ear, so that the adjusting screw rotates and rises inside one end of the rotating plate through the threaded hole, thereby driving the sealing plugging block to rise inside the sampling port, so that the sealing plugging block is separated from the inside of the sampling port, and then the rotating plate is made to make a circular motion on the outer surface of the fixed rotating seat to keep it away from the sampling port, so that the nitrogen content and filler saturation inside the two sampling ports can be sampled and detected, and the sealing plugging block is located above the sampling port by rotating the rotating plate, and the adjusting screw is rotated by the rotating ear to push the sealing plugging block into the interior of the sampling port for sealing. The arrangement of this structure is convenient for sealing and plugging the sampling port, and can also facilitate sampling operations on the two sampling ports, and is convenient for real-time sampling and detection of nitrogen content and filler saturation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a front view structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the front view internal cross-section structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the three-dimensional connection structure of the opening and closing unit of the utility model.

[0021] In the figure:

[0022] 100, tank unit; 101, bottom support; 102, processing tank; 103, cover plate;

[0023] 200, nitrogen removal unit; 201, water inlet pipe; 202, drain pipe; 203, water outlet pipe; 204, sampling port; 205, sulfur autotrophic filler;

[0024] 300, opening and closing unit; 301, fixed swivel seat; 302, rotating plate; 303, threaded hole; 304, adjusting screw; 305, sealing blocking block; 306, rotating ear. DETAILED DESCRIPTION

[0025] Example 1

[0026] Please refer to Figure 1 — Figure 4 As shown, the utility model is a total nitrogen removal device used for river water treatment, including a tank unit 100, a nitrogen removal unit 200 arranged inside the tank unit 100, and an opening and closing unit 300 arranged on the front end surface of the tank unit 100.

[0027] like Figure 1 — Figure 3 As shown, the tank unit 100 includes a bottom support 101, a processing tank body 102 fixedly connected to the top of the bottom support 101, and a covering plate 103 installed on the top of the processing tank body 102. The covering plate 103 is an embedded structure, and the front view cross-section of the covering plate 103 is a "π"-shaped structure. The bottom plates on both sides of the covering plate 103 are tightly fitted with the relative inner wall surfaces of the processing tank body 102. The bottom support 101 is used to support and place the processing tank body 102. The covering plate 103 with a "π"-shaped structure can seal the processing tank body 102 and facilitate the replacement of the sulfur autotrophic filler 205.

[0028] like Figure 1 — Figure 3As shown, the nitrogen removal unit 200 includes a water inlet pipe 201 fixedly connected to the center below the front end surface of the tank unit 100, and a sulfur autotrophic filler 205 for nitrification and nitrogen removal filled in the tank unit 100. The nitrogen removal unit 200 also includes an emptying pipe 202 fixedly connected to the bottom of one side of the treatment tank body 102, a water outlet pipe 203 fixedly connected to the top of the front end surface of the treatment tank body 102, and two sampling ports 204 opened on the front end surface of the treatment tank body 102. The water inlet pipe 201 is arranged below the sulfur autotrophic filler 205, the emptying pipe 202 is also arranged below the sulfur autotrophic filler 205, one sampling port 204 is located above the sulfur autotrophic filler 205, and the other sampling port 204 is located at the center of the sulfur autotrophic filler 205.

[0029] Working principle: First, river water enters the lower part of the device through the water inlet pipe 201. After the river water flows through the sulfur autotrophic filler 205, it is discharged from the water outlet pipe 203. Through the action of the sulfur autotrophic filler 205 and the microbial strains, a denitrification reaction occurs, and the nitrate nitrogen in the river water is converted into nitrogen gas, which can then play a role in denitrification. At the same time, the nitrogen gas formed by denitrification is discharged through the emptying pipe 202. The nitrogen content and the filler saturation degree can be sampled and tested through the two sampling ports 204. The data can be tested in real time, which improves the effect of total nitrogen removal. A smaller amount of carbon source is used for denitrification treatment, which reduces the operating cost of river water treatment.

[0030] Example 2

[0031] Please refer to Figure 1 — Figure 4 As shown, the utility model is a total nitrogen removal device used for river water treatment, including a tank unit 100, a nitrogen removal unit 200 arranged inside the tank unit 100, and an opening and closing unit 300 arranged on the front end surface of the tank unit 100.

[0032] like Figure 1 — Figure 3 As shown, the tank unit 100 includes a bottom support 101, a processing tank body 102 fixedly connected to the top of the bottom support 101, and a covering plate 103 installed on the top of the processing tank body 102. The covering plate 103 is an embedded structure, and the front view cross-section of the covering plate 103 is a "π"-shaped structure. The bottom plates on both sides of the covering plate 103 are tightly fitted with the relative inner wall surfaces of the processing tank body 102. The bottom support 101 is used to support and place the processing tank body 102. The covering plate 103 with a "π"-shaped structure can seal the processing tank body 102 and facilitate the replacement of the sulfur autotrophic filler 205.

[0033] like Figure 1 , Figure 2 and Figure 4As shown, the opening and closing unit 300 includes a fixed swivel seat 301 fixedly connected to the front end face of the tank unit 100, and a rotating plate 302 for rotating direction sleeved on the outer surface of the fixed swivel seat 301. The opening and closing unit 300 also includes a threaded hole 303 opened on the front end face of one end of the rotating plate 302, an adjusting screw 304 passed through the threaded hole 303, a sealing blocking block 305 fixedly connected to one end of the adjusting screw 304, and a rotating ear 306 fixedly connected to the other end of the adjusting screw 304. There are two rotating plates 302, and one end of the two rotating plates 302 is sleeved on the outer surface of the fixed swivel seat 301 one above and one below. The adjusting screw 304 is threadedly connected to the rotating plate 302 through the threaded hole 303, and the outer diameter of the sealing blocking block 305 is adapted to the inner diameter of the sampling port 204.

[0034] Working principle: When it is necessary to adjust the nitrogen content and filler saturation inside the processing tank body 102, firstly, the adjusting screw 304 is rotated through the rotating ear 306, so that the adjusting screw 304 rotates and rises inside one end of the rotating plate 302 through the threaded hole 303, thereby driving the sealing block 305 to rise inside the sampling port 204, so that the sealing block 305 is separated from the inside of the sampling port 204, and then the rotating plate 302 is made to do a circular motion on the outer surface of the fixed rotating seat 301, so that it is away from the sampling port 204, so that The nitrogen content and filler saturation inside the two sampling ports 204 can be sampled and tested. By rotating the rotating plate 302, the sealing block 305 is located above the sampling port 204. The adjusting screw 304 is rotated by rotating the ear 306 to push the sealing block 305 into the interior of the sampling port 204 for sealing. The arrangement of this structure is convenient for sealing the sampling port 204, and can also facilitate sampling operations on the two sampling ports 204, so as to facilitate real-time sampling and testing of the nitrogen content and filler saturation.

Claims

1. A total nitrogen removal device for river water treatment, comprising a tank unit (100), characterized in that: It also includes a denitrification unit (200) arranged inside the tank unit (100) and an opening and closing unit (300) arranged on the front end surface of the tank unit (100); The denitrification unit (200) comprises a water inlet pipe (201) fixedly connected to the center below the front end surface of the tank unit (100), and a sulfur autotrophic filler (205) for nitrification and denitrification filled in the tank unit (100); The opening and closing unit (300) includes a fixed rotating seat (301) fixedly connected to the front end face of the tank unit (100), and a rotating plate (302) for rotating direction and sleeved on the outer surface of the fixed rotating seat (301). The opening and closing unit (300) also includes a threaded hole (303) opened on the front end face of one end of the rotating plate (302), an adjusting screw (304) passing through the inside of the threaded hole (303), a sealing block (305) fixedly connected to one end of the adjusting screw (304), and a rotating ear (306) fixedly connected to the other end of the adjusting screw (304).

2. A total nitrogen removal device for river water treatment according to claim 1, characterized in that: The tank unit (100) comprises a bottom support (101), a processing tank (102) fixedly connected to the top of the bottom support (101), and a sealing plate (103) installed on the top of the processing tank (102).

3. A total nitrogen removal device for river water treatment according to claim 2, characterized in that: The denitrification unit (200) further comprises an exhaust pipe (202) fixedly connected to the bottom of one side of the processing tank body (102), a water outlet pipe (203) fixedly connected above the front end surface of the processing tank body (102), and two sampling ports (204) provided on the front end surface of the processing tank body (102).

4. A total nitrogen removal device for river water treatment according to claim 3, characterized in that: The sealing plate (103) is an embedded structure, and the front view cross section of the sealing plate (103) is a "π"-shaped structure. The bottom plates on both sides of the sealing plate (103) are tightly fitted with the relative inner wall surfaces of the processing tank body (102).

5. A total nitrogen removal device for river water treatment according to claim 4, characterized in that: The water inlet pipe (201) is arranged below the sulfur autotrophic filler (205), the drain pipe (202) is also arranged below the sulfur autotrophic filler (205), one of the sampling ports (204) is located above the sulfur autotrophic filler (205), and the other sampling port (204) is located at the center of the sulfur autotrophic filler (205).

6. A total nitrogen removal device for river water treatment according to claim 5, characterized in that: There are two rotating plates (302), and one end of the two rotating plates (302) is sleeved on the outer surface of the fixed rotating seat (301) one above and one below. The adjusting screw (304) is threadedly connected to the rotating plate (302) through the threaded hole (303), and the outer diameter of the sealing block (305) is matched with the inner diameter of the sampling port (204).

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