Total nitrogen removal device for sewage

Abstract

The application provides a sewage total nitrogen removal device, which comprises a first treatment box, a water inlet pipe and a sewage outlet are arranged on the first treatment box, and an adsorption part for pre-adsorption treatment of sewage is arranged in the first treatment box; the sewage outlet is fixedly connected with a second treatment box through a connecting pipe, the second treatment box has a treatment cavity, the top of the second treatment box is provided with a feeding pipe which is communicated with the treatment cavity and is used for feeding treatment agent, and the second treatment box is used for mixing the entering sewage and the feeding treatment agent to treat the sewage. The sewage total nitrogen removal device can ensure that the sewage is pre-adsorbed before entering the second treatment box, so that the sewage treatment pressure of the second treatment box is reduced, and the treatment effect of the sewage can be effectively ensured through the cooperative treatment of the first treatment box and the second treatment box, and the total nitrogen of the sewage is effectively removed, so that the device has high practicability.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of sewage treatment, and particularly relates to a sewage total nitrogen removal device. BACKGROUND

[0002] The excessive total nitrogen content in sewage has become a problem to be solved urgently, and the excessive discharge of total nitrogen can cause water eutrophication, trigger excessive algae reproduction, and thus affect water quality and destroy ecological balance. Therefore, the research and application of sewage total ammonia removal technology are particularly important.

[0003] In the prior art, a sewage total nitrogen removal device is usually used, for example, patent No. CN202321914512.X; patent name: a sewage total nitrogen removal device, which mainly uses lime to remove sewage total nitrogen, and the treatment mode is single, and the single treatment effect is poor in actual application, which affects the treatment effect of total nitrogen. SUMMARY

[0004] The embodiment of the application provides a sewage total nitrogen removal device, which aims to solve the problem of poor treatment effect caused by the single sewage total nitrogen removal mode.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the application is as follows: a sewage total nitrogen removal device is provided, which comprises a first treatment box, a water inlet pipe and a sewage outlet are arranged on the first treatment box, and an adsorption part for pre-adsorption treatment of sewage is arranged in the first treatment box; the sewage outlet is fixedly connected with a second treatment box through a connecting pipe, the second treatment box has a treatment cavity, the top of the second treatment box is provided with a feeding pipe which is in communication with the treatment cavity and is used for feeding treatment agent, and the second treatment box is used for mixing the entering sewage and the fed treatment agent to treat the sewage.

[0006] In a possible implementation manner, the first treatment box comprises an upper box body, a box plate is buckled on the top of the upper box body, a first connecting plate and a second connecting plate are fixedly connected to the bottom surface of the box plate, the first connecting plate and the second connecting plate extend into the upper box body and are arranged at intervals along the extension direction of the sewage outlet; a first adsorption layer and a second adsorption layer located above the first adsorption layer are arranged between the first connecting plate and the second connecting plate, and an upper cavity in communication with the water inlet pipe is formed at the top of the second adsorption layer; a placement plate is fixedly connected to the bottom of the first connecting plate and the second connecting plate, and a lower cavity is formed between the placement plate and the first adsorption layer to accommodate the deposition agent; the deposition agent, the first adsorption layer and the second adsorption layer combine to form the adsorption part; a water leakage hole in communication with the lower cavity is arranged at the bottom of the second connecting plate, which is used for guiding the sewage in the lower cavity to flow out through the sewage outlet.

[0007] In a possible implementation, a handle is arranged on the top surface of the box plate.

[0008] In a possible implementation, a plurality of positioning pins are arranged on the bottom surface of the box plate, and the top end of the upper box body is provided with a plurality of positioning holes for the positioning pins to be inserted.

[0009] In a possible implementation, the sewage outlet is provided with at least two, and the corresponding connecting pipe is provided with at least two.

[0010] In a possible implementation, the upper box body has a cuboid structure and is fixedly arranged on the top of the second treatment box.

[0011] In a possible implementation, the second treatment box comprises a lower box body, the inner cavity of the lower box body is the treatment cavity, the lower box body is provided with an air inlet pipe and a water outlet pipe, one side of the lower box body is fixedly connected with a motor, the power output end of the motor is connected with a screw rod, the screw rod horizontally passes through the treatment cavity and is rotationally connected with the lower box body through a bearing, the screw rod is spirally and movably connected with a moving plate, the moving plate is located in the treatment cavity, the bottom of the moving plate is fixedly connected with a rake structure, and the moving plate is slidably arranged on two guide rods arranged in the treatment cavity.

[0012] In a possible implementation, the rake structure comprises a positioning plate connected with the bottom end of the moving plate, and the positioning plate is horizontally arranged; two groups of mixing elements are fixedly connected to the positioning plate, and the two groups of mixing elements are respectively located at the two ends of the positioning plate along the length direction of the screw rod; each group of mixing elements comprises a plurality of mixing rods, each mixing rod is arranged along the vertical direction, and each mixing rod is arranged along the horizontal direction perpendicular to the axis of the screw rod.

[0013] In a possible implementation, each mixing rod in the two groups of mixing elements is arranged in a staggered manner.

[0014] In a possible implementation, the bottom of the treatment cavity is provided with a water pump, the water pump is connected with a spraying pipe located at the bottom of the treatment cavity through a pipeline, and the spraying pipe is provided with a plurality of spray heads.

[0015] In the present implementation, the first treatment box is provided with an adsorption part, which can ensure that the sewage is pre-adsorbed before entering the second treatment box, thereby reducing the sewage treatment pressure of the second treatment box, and the cooperative treatment of the first treatment box and the second treatment box can effectively ensure the treatment effect of the sewage and effectively remove the total nitrogen of the sewage, and the device has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Structure of the sewage total nitrogen removal device provided by the embodiment of the present applicationFigure 1 ;

[0017] Figure 2 Structure diagram of sewage total nitrogen removal device provided by the embodiment of the present application Figure 2 ;

[0018] Figure 3 Structure diagram of the first processing box of the sewage total nitrogen removal device provided by the embodiment of the present application

[0019] Figure 4 Structure diagram of sewage total nitrogen removal device provided by the embodiment of the present application Figure 3 (lower box body side wall cutaway)

[0020] Figure 5 Structure diagram of the rake structure connection of the sewage total nitrogen removal device provided by the embodiment of the present application (lower box body side wall cutaway)

[0021] Explanation of reference signs:

[0022] 1, first processing box; 11, water inlet pipe; 2, box plate; 21, handle; 22, first connecting plate; 23, second connecting plate; 231, water leakage hole; 24, first adsorption layer; 25, second adsorption layer; 26, placement plate; 27, positioning pin; 3, second processing box; 31, feed pipe; 32, air inlet pipe; 33, connecting pipe; 34, water outlet pipe; 4, motor; 41, screw rod; 411, bearing; 42, moving plate; 421, mixing rod; 43, guide rod; 44, positioning plate; 5, water pump; 51, spraying pipe; 52, spray head. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0024] Please refer to Figure 1 and Figure 2 , the sewage total nitrogen removal device provided by the present application will be described. The sewage total nitrogen removal device comprises a first processing box 1, the first processing box 1 is provided with a water inlet pipe 11 and a sewage outlet, and the first processing box 1 has an adsorption part for pre-adsorption treatment of sewage; the sewage outlet is fixedly connected with a second processing box 3 through a connecting pipe 33, the second processing box 3 has a processing cavity, and the top of the second processing box 3 has a feed pipe 31 communicating with the processing cavity and for feeding treatment agent; the second processing box 3 is used for mixing the incoming sewage and the fed treatment agent to treat the sewage.

[0025] Compared with the prior art, the sewage total nitrogen removal device provided by the embodiment is provided with an adsorption part in the first treatment box 1, can ensure that the sewage is pre-adsorbed before entering the second treatment box 3, and thus can reduce the sewage treatment pressure of the second treatment box 3. Meanwhile, through the cooperative treatment of the first treatment box 1 and the second treatment box 3, the treatment effect of the sewage can be effectively ensured, and the total nitrogen in the sewage can be effectively removed, and the device has high practicability.

[0026] In some embodiments, the first treatment box 1 can adopt the structure as shown in Figure 1 and Figure 3 . Referring to Figure 1 and Figure 3 , the first treatment box 1 comprises an upper box body, a box plate 2 is buckled on the top of the upper box body, a first connecting plate 22 and a second connecting plate 23 are fixedly connected to the bottom surface of the box plate 2, the first connecting plate 22 and the second connecting plate 23 extend into the upper box body and are arranged at intervals along the extension direction of the sewage outlet; a first adsorption layer 24 and a second adsorption layer 25 located above the first adsorption layer 24 are arranged between the first connecting plate 22 and the second connecting plate 23, and an upper cavity in communication with the water inlet pipe 11 is formed at the top of the second adsorption layer 25; a placement plate 26 is fixedly connected to the bottom of the first connecting plate 22 and the second connecting plate 23, and a lower cavity is formed between the placement plate 26 and the first adsorption layer 24 for accommodating the deposition agent; the deposition agent, the first adsorption layer 24 and the second adsorption layer 25 combine to form the adsorption part; a water leakage hole 231 in communication with the lower cavity is arranged at the bottom of the second connecting plate 23 for allowing the sewage in the lower cavity to pass through and be discharged through the sewage outlet.

[0027] After the sewage enters the upper cavity, it successively passes through the second adsorption layer 25 and the first adsorption layer 24, and then enters the lower cavity and passes through the water leakage hole 231 into the connecting pipe 33 after being adsorbed by the deposition agent. The first adsorption layer 24 and the second adsorption layer 25 can achieve the purpose of double adsorption of the total nitrogen in the sewage, and the deposition agent can achieve the purpose of adsorption again, so that the effect of treating the total nitrogen in the sewage is better.

[0028] It should be noted that the first adsorption layer 24 can be activated carbon, the second adsorption layer 25 can be ion exchange resin, and the deposition agent can be zeolite filled in the lower cavity.

[0029] In some embodiments, the box plate 2 can adopt the structure as shown in Figure 3 . Referring to Figure 3 , a handle 21 is arranged on the top surface of the box plate 2, which can facilitate the convenient removal of the box plate 2, the first connecting plate 22, the second connecting plate 23 and the adsorption part.

[0030] In some embodiments, the box plate 2 can adopt the structure as shown inFigure 3 The structure shown. See also Figure 3 The bottom surface of the box plate 2 is provided with a plurality of positioning pins 27, and the top of the upper box body is provided with a plurality of positioning holes for each positioning pin 27 to be inserted. The cooperation between the positioning pins 27 and the positioning holes can ensure the stability of the box plate 2, thereby ensuring the connection effect.

[0031] In some embodiments, the connecting pipe 33 may be as follows: Figure 1 The structure shown. See also Figure 1 The wastewater outlet is provided with at least two outlets, and correspondingly, at least two connecting pipes 33 are provided. The arrangement of multiple connecting pipes 33 can ensure the effluent flow rate, thereby ensuring the wastewater treatment effect.

[0032] In some embodiments, the upper housing may be adopted as follows: Figure 2 The structure shown. See also Figure 2 The upper box has a rectangular shape and is fixedly installed on the top of the second treatment box 3. It has a simple structure and is easy to manufacture. Moreover, the sewage in the first treatment box 1 can directly enter the second treatment box 3 by gravity, which can save energy.

[0033] As a specific implementation of this embodiment, the upper box has a cuboid cavity with an open top, and the first connecting plate 22 and the second connecting plate 23 can divide the cuboid cavity to form an upper cavity, a lower cavity, and a transition cavity between the second connecting plate 23 and the side wall where the sewage outlet is located.

[0034] In some embodiments, the second processing box 3 described above may employ, as follows: Figure 4 The structure shown. See also Figure 4 The second processing box 3 includes a lower box body, the inner cavity of which is the processing chamber. The lower box body is provided with an air inlet pipe 32 and a water outlet pipe 34. A motor 4 is fixedly connected to one side of the lower box body. The power output end of the motor 4 is connected to a screw 41. The screw 41 passes horizontally through the processing chamber and is rotatably connected to the lower box body through a bearing 411. A movable plate 42 is screwed onto the screw 41. The movable plate 42 is located in the processing chamber. A rake structure is fixedly connected to the bottom of the movable plate 42. The movable plate 42 is slidably disposed on two guide rods 43 disposed in the processing chamber. The two guide rods 43 are respectively located on both sides of the screw 41.

[0035] The operation of motor 4 causes screw 41 to rotate, and moving plate 42 to slide on guide rod 43. At the same time, it drives the rake structure to move. The rake structure can agitate the sewage and removal agent at the bottom of the treatment chamber, ensuring thorough mixing and improving the total nitrogen treatment effect.

[0036] In some embodiments, the above-described rake structure may employ, for example...Figure 5 As shown in the structure. Referring to Figure 5 The rake structure includes a positioning plate 44 connected to the bottom end of the moving plate 42, which is horizontally arranged; two groups of mixing elements are fixedly connected to the positioning plate 44, and each group of mixing elements is located at the two ends of the positioning plate 44 along the length direction of the screw rod 41; each mixing element includes a plurality of mixing rods 421, each mixing rod 421 is arranged along the vertical direction, and each mixing rod 421 is arranged along the horizontal direction perpendicular to the axis of the screw rod 41.

[0037] Each mixing rod 421 in the two groups of mixing elements is arranged in a staggered manner, and the staggered arrangement of the mixing rods 421 can improve the mixing effect.

[0038] As an extension of this embodiment, the positioning plate 44 is slidably connected to the bottom end of the moving plate 42, and the sliding direction is along the horizontal direction perpendicular to the axis of the screw rod 41; a serpentine guide bar is arranged below the screw rod 41, the serpentine guide bar is arranged along the length direction of the screw rod 41, and passes through the through hole arranged on the positioning plate 44; as the moving plate 42 moves the positioning plate 44, the positioning plate 44 moves back and forth along the horizontal direction perpendicular to the axis of the screw rod 41 through the through hole and the serpentine guide bar, to further increase the mixing effect and ensure the coverage area of each mixing rod 421. In addition, the serpentine guide bar is slidably connected to the lower box along the axis direction of the screw rod 41, and one end of the serpentine guide bar is connected to the adjusting screw rod arranged on the lower box, which can move under the driving of the adjusting screw rod. This structure can further adjust the positioning plate 44 and further increase the coverage area of each mixing rod 421. Correspondingly, the two ends of the guide bar are provided with straight sections, and a sliding sleeve is arranged inside the treatment cavity above the straight sections; the adjusting screw rod is threadedly connected to the lower box, and one end is rotatably connected to one of the straight sections.

[0039] In some embodiments, the second treatment tank 3 described above can adopt the structure as shown in Figure 4 Referring to Figure 4 The bottom of the treatment cavity is provided with a water pump 5, the water pump 5 is connected to a spray pipe 51 located at the bottom of the treatment cavity through a pipeline, and the spray pipe 51 is provided with a plurality of spray heads 52.

[0040] The water pump 5 can spray the mixture of sewage and remover to promote the mixing of the two, and further ensure the mixing effect when it falls to the bottom of the treatment cavity, thereby improving the total nitrogen removal of sewage.

[0041] The working principle of the specific embodiment of the sewage total nitrogen removal device provided by the present embodiment is that: first, sewage is introduced into the inside of the first treatment box 1 from the water inlet pipe 11, and after entering, the sewage passes through the second adsorption layer 25 and then the first adsorption layer 24, so that the total nitrogen in the sewage is subjected to double adsorption treatment through the second adsorption layer 25 and the first adsorption layer 24, and after treatment, the sewage contacts the depositing agent on the placement plate 26, achieving the purpose of treating the total nitrogen in the sewage again, and after treatment, the sewage is discharged outward through the leakage hole 231, and after discharge, the sewage enters the inside of the second treatment box 3 through the connecting pipe 33, and after entering, the treatment agent is added from the feed pipe 31, and after adding, the screw rod 41 rotates in the inside of the second treatment box 3 through the working of the motor 4, and when rotating, the moving plate 42 moves outside the screw rod 41 and the guide rod 43, and the mixing rod 421 on the lower surface of the moving plate 42 rakes the sewage entering the inside of the second treatment box 3 and the treatment agent entering from the feed pipe 31, achieving the purpose of efficiently removing the total nitrogen in the sewage, and at the same time, the sewage in the inside of the second treatment box 3 is extracted through the working of the water pump 5 and sprayed outward through the nozzles 52 on the lower surface of the spraying pipe 51, so that the removal effect of the total nitrogen is improved by combining with the removal agent entering from the air inlet pipe 32.

[0042] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for removing total nitrogen from sewage, characterized by The utility model provides a sewage treatment device, including first processing box, be equipped with water inlet pipe and sewage outlet on the first processing box, the first processing box has the adsorption part for carrying out pre-adsorption treatment to sewage in it, the sewage outlet is fixedly connected with second processing box through connecting pipe, the second processing box has processing cavity, the top of second processing box has the feed pipe of with processing cavity intercommunication and for processing agent putting, the second processing box is used for mixing to the sewage of entering and the processing agent of putting in to carry out sewage treatment, Wherein, the first processing box includes upper box, the top of upper box is buckled with box board, the bottom surface of box board is fixedly connected with first connecting plate and second connecting plate, the first connecting plate and the second connecting plate extend into the upper box, and are arranged along the extension direction of the sewage outlet; first adsorption layer and second adsorption layer located above first adsorption layer are arranged between the first connecting plate and the second connecting plate, and the top of second adsorption layer forms an upper cavity body communicated with the water inlet pipe; the bottom of the first connecting plate and the second connecting plate is fixedly connected with the placement plate, and the lower cavity body is formed between the placement plate and the first adsorption layer to accommodate the deposition agent; the deposition agent, the first adsorption layer and the second adsorption layer combine to form the adsorption part, the first adsorption layer is activated carbon, the second adsorption layer is ion exchange resin, and the deposition agent is zeolite filled in the lower cavity body; the bottom of the second connecting plate is provided with a water leakage hole communicated with the lower cavity body for the sewage in the lower cavity body to pass through and be discharged at the sewage outlet; Wherein, the second processing box includes lower box, the inner cavity of lower box is the processing cavity, the lower box is provided with air inlet pipe and water outlet pipe; one side of the lower box is fixedly connected with a motor, a power output end of the motor is connected with a screw rod, the screw rod horizontally penetrates through the processing cavity and is rotatably connected with the lower box through a bearing; a moving plate is spirally connected with the screw rod, the moving plate is located in the processing cavity, and a rake structure is fixedly connected to the bottom of the moving plate; the moving plate is slidably arranged on two guide rods arranged in the processing cavity; the rake structure includes a positioning plate connected with the bottom end of the moving plate, and the positioning plate is horizontally arranged; two groups of mixing elements are fixedly connected to the positioning plate, and each group of mixing elements is located at the two ends of the positioning plate along the length direction of the screw rod; each mixing rod is arranged along the vertical direction, and each mixing rod is arranged along the horizontal direction perpendicular to the axis of the screw rod; each mixing rod in the two groups of mixing elements is arranged in a staggered manner; the bottom end of the positioning plate is slidably connected with the moving plate along the horizontal direction perpendicular to the axis of the screw rod, and a serpentine guide strip is arranged below the screw rod, the serpentine guide strip is arranged along the length direction of the screw rod and penetrates through the through hole arranged on the positioning plate; the serpentine guide strip is slidably connected with the lower box along the axis direction of the screw rod, and one end of the serpentine guide strip is connected with an adjusting screw rod arranged on the lower box.

2. The apparatus for total nitrogen removal from sewage according to claim 1, wherein A handle is arranged on the top surface of the box plate.

3. The apparatus for removing total nitrogen from sewage according to claim 1, wherein A plurality of positioning pins are arranged on the bottom surface of the box plate, and the top end of the upper box body is provided with a plurality of positioning holes for the positioning pins to be inserted.

4. The apparatus for removing total nitrogen from sewage according to claim 1, wherein The sewage outlet is provided with at least two, and the corresponding connecting pipe is provided with at least two.

5. The apparatus for total nitrogen removal from sewage according to claim 1, wherein The upper box body is a cuboid in shape and is fixedly arranged on the top of the second treatment box.

6. The apparatus for total nitrogen removal from sewage according to claim 1, wherein A water pump is arranged at the bottom of the treatment cavity, the water pump is connected with a spraying pipe at the bottom of the treatment cavity through a pipeline, and a plurality of spray heads are arranged on the spraying pipe.

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