Sewage treatment device for removing phosphorus and nitrogen

Abstract

The utility model discloses a sewage treatment device for dephosphorization and denitrification, which relates to the field of sewage treatment and comprises a barrel body and a top cover, a mixing component is mounted in the barrel body, a cleaning component is mounted at the bottom of the barrel body, the mixing component comprises a rotating rod, a first motor is mounted at the front end of the rotating rod and positioned at the front part of the barrel body, and a second motor is mounted at the front end of the rotating rod. A plurality of stirring rods are installed on the periphery of the rotating rod, an access hole is formed in the top of the barrel body, a clamping seat is fixedly installed on the tops of the stirring rods, a clamping groove is formed in the top of the clamping seat, a fixing bolt penetrates through the front portion of the clamping seat to be connected and installed, and a scraping plate is installed on the top of the clamping seat; a fixing block is installed at the bottom of the scraper and located in the clamping groove, and positioning holes are formed in the two sides of the fixing block in a penetrating mode. The sludge stirring and mixing device is simple in structure, can scrape adhered dirt and residues during stirring and mixing, is convenient for cleaning the interior of the barrel body, and is convenient for collecting and discharging sludge sediments for use next time.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a sewage treatment device for removing phosphorus and nitrogen. Background Art

[0002] Sewage phosphorus and nitrogen removal is to remove phosphorus and nitrogen from sewage through biological and chemical methods to meet discharge standards, such as by adding chemical agents such as coagulants, oxidants, etc. to sewage to convert phosphorus and nitrogen into insoluble or insoluble substances, thereby removing phosphorus and nitrogen from sewage. This scheme specifically relates to a sewage treatment device for phosphorus and nitrogen removal;

[0003] When the existing sewage treatment device is in use, the dirt and chemicals in the sewage easily adhere to the inner wall of the barrel, which is inconvenient to scrape off during the stirring and mixing process, and it is inconvenient to clean the inside. In addition, the precipitated sludge and residues easily remain inside, which is inconvenient to collect and discharge, which has a certain impact on actual use. Utility Model Content

[0004] The main purpose of the utility model is to provide a sewage treatment device for removing phosphorus and nitrogen, which can effectively solve the technical problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A sewage treatment device for removing phosphorus and nitrogen comprises a barrel body and a top cover, wherein a mixing assembly is installed inside the barrel body, a cleaning assembly is installed at the bottom of the barrel body, the mixing assembly comprises a rotating rod, a first motor is installed at the front end of the rotating rod and located at the front part of the barrel body, a plurality of stirring rods are installed at the periphery of the rotating rod, an inspection port is provided at the top of the barrel body, a holder is fixedly installed at the top of the stirring rod, a slot is provided at the top of the holder, a fixing bolt is connected and installed through the front part of the holder, a scraper is installed at the top of the holder, a fixing block is installed at the bottom of the scraper and located in the slot, and positioning holes are provided on both sides of the fixing block.

[0007] As a further solution of the utility model, a liquid inlet pipe and a material feed pipe are respectively installed through the top of the top cover, and the top cover is rotatably arranged at the top of the barrel body through a hinge at the rear end.

[0008] As a further solution of the utility model, the plurality of stirring rods are divided into two groups, and the two groups of stirring rods surround the periphery of the rotating rod.

[0009] As a further solution of the utility model, the fixing block and the slot are clamped together, and the fixing bolt passes through the positioning hole and is clamped together.

[0010] As a further solution of the utility model, the cleaning assembly includes a collecting pipe, which is installed at the bottom of the barrel body. A through groove is opened between the collecting pipe and the bottom of the barrel body. A spiral rod is movably installed inside the collecting pipe. A second motor is installed at the front end of the spiral rod and in the front part of the collecting pipe. A sewage pipe is installed at the rear end of the collecting pipe, and a sealing cover is sleeved on the bottom end of the sewage pipe.

[0011] As a further solution of the utility model, the spiral rod rotates synchronously with the output shaft of the second motor, and the collecting pipe is communicated with the barrel body through the through groove.

[0012] As a further solution of the utility model, the pipe opening of the sewage pipe is vertically arranged, and the sealing cover is sleeved on the outer periphery of the bottom of the sewage pipe in a threaded connection.

[0013] The beneficial effects of the utility model are as follows:

[0014] By setting a mixing assembly, the rotating rod drives the stirring rod to rotate, so that the sewage and the reagent are fully mixed and reacted. The stirring rod rotates and drives the scraper located on the inner wall of the barrel to rotate, so that the dirt and reagent adhering to the inner wall can be scraped off, which is convenient for cleaning the inside of the barrel. The fixing block is connected with the card slot, and the fixing bolt is inserted into the positioning hole, which is convenient for installation and removal of the scraper and internal maintenance.

[0015] By setting up a cleaning component, the sludge and residue in the sewage are precipitated and enter the collecting pipe through the through groove, which is convenient for the collection of the sludge and residue. The spiral rod is driven by the second motor to rotate and the sludge is transported to the sewage pipe, which is convenient for the discharge of the sludge and the overall cleaning of the inside of the barrel for the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a sewage treatment device for removing phosphorus and nitrogen according to the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of a mixing component in a sewage treatment device for phosphorus and nitrogen removal according to the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of a card seat in a sewage treatment device for removing phosphorus and nitrogen according to the utility model;

[0019] Figure 4 It is a structural schematic diagram of a cleaning component in a sewage treatment device for removing phosphorus and nitrogen according to the utility model.

[0020] In the figure: 1. barrel; 2. top cover; 3. mixing assembly; 4. cleaning assembly; 5. rotating rod; 6. first motor; 7. stirring rod; 8. inspection port; 9. holder; 10. slot; 11. fixing bolt; 12. scraper; 13. fixing block; 14. positioning hole; 15. collecting pipe; 16. through slot; 17. spiral rod; 18. second motor; 19. drain pipe; 20. sealing cover. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-4 As shown, a sewage treatment device for removing phosphorus and nitrogen comprises a barrel body 1 and a top cover 2, a mixing assembly 3 is installed inside the barrel body 1, a cleaning assembly 4 is installed at the bottom of the barrel body 1, the mixing assembly 3 comprises a rotating rod 5, a first motor 6 is installed at the front end of the rotating rod 5 and located at the front part of the barrel body 1, a plurality of stirring rods 7 are installed on the periphery of the rotating rod 5, an inspection port 8 is provided at the top of the barrel body 1, a holder 9 is fixedly installed on the top of the stirring rod 7, a slot 10 is provided at the top of the holder 9, a fixing bolt 11 is connected and installed through the front part of the holder 9, a scraper 12 is installed on the top of the holder 9, a fixing block 13 is installed at the bottom of the scraper 12 and located in the slot 10, and positioning holes 14 are provided on both sides of the fixing block 13.

[0023] In this embodiment, a liquid inlet pipe and a material feed pipe are respectively installed through the top of the top cover 2. The top cover 2 is rotatably arranged at the top of the barrel body 1 through a hinge at the rear end. The barrel body 1 can be opened by rotating the top cover 2 to facilitate internal inspection.

[0024] In this embodiment, a plurality of stirring rods 7 are divided into two groups. The two groups of stirring rods 7 surround the periphery of the rotating rod 5. The rotating rod 5 drives the stirring rods 7 to rotate. The chemical agent is mixed with the sewage through the stirring rods 7 to remove phosphorus and nitrogen.

[0025] In this embodiment, the fixing block 13 is snap-fitted to the slot 10, the fixing bolt 11 penetrates the positioning hole 14 and is snap-fitted to the fixing block 13, and the scraper 12 scrapes off the residue on the inner wall of the barrel 1. The connection of the fixing bolt 11 facilitates the installation and removal of the scraper 12.

[0026] In this embodiment, the cleaning component 4 includes a collecting pipe 15, which is installed at the bottom of the barrel body 1. A through groove 16 is opened between the collecting pipe 15 and the bottom of the barrel body 1. A spiral rod 17 is movably installed inside the collecting pipe 15. A second motor 18 is installed at the front end of the spiral rod 17 and located in the front part of the collecting pipe 15. A sewage pipe 19 is installed at the rear end of the collecting pipe 15. A sealing cover 20 is sleeved on the bottom end of the sewage pipe 19. The sludge precipitated in the sewage is collected through the collecting pipe 15 to facilitate the collection and discharge of the sludge.

[0027] In this embodiment, the spiral rod 17 rotates synchronously with the output shaft of the second motor 18 , the collecting pipe 15 is connected with the barrel body 1 through the through slot 16 , and the sludge in the sewage settles in the collecting pipe 15 , which facilitates the collection of the sludge.

[0028] In this embodiment, the pipe mouth of the sewage pipe 19 is vertically arranged, and the sealing cover 20 is sleeved on the bottom periphery of the sewage pipe 19 and is threadedly connected. The second motor 18 drives the spiral rod 17 to rotate to discharge the sludge, and the sealing cover 20 is opened or sealed.

[0029] It should be noted that the utility model is a sewage treatment device for removing phosphorus and nitrogen. When in use, the sewage is first transported from the liquid inlet pipe to the barrel body 1, and the agent for removing phosphorus is added to the barrel body 1. During mixing, the rotating rod 5 is rotated by starting the first motor 6, and the stirring rod 7 is driven to rotate to fully mix the agent and the sewage. At the same time, the scraper 12 is driven to rotate to continuously scrape off the dirt and agent residues adhering to the inner wall of the barrel body 1. During the phosphorus removal process, the sludge in the sewage settles to the bottom and enters the collecting pipe 15 through the through groove 16 for collection. After the sewage after phosphorus removal is discharged, the sealing cover 20 is opened, and the second motor 18 is started to rotate the spiral rod 17 to transport the sludge to the sewage pipe 19, and the sludge is discharged through the sewage pipe 19 for next use.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. 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 principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sewage treatment device for removing phosphorus and nitrogen, comprising a barrel (1) and a top cover (2), wherein a mixing assembly (3) is installed inside the barrel (1), and a cleaning assembly (4) is installed at the bottom of the barrel (1), characterized in that: The mixing assembly (3) comprises a rotating rod (5), a first motor (6) is installed at the front end of the rotating rod (5) and located at the front of the barrel (1), a plurality of stirring rods (7) are installed on the periphery of the rotating rod (5), an inspection port (8) is provided at the top of the barrel (1), a holder (9) is fixedly installed at the top of the stirring rod (7), a slot (10) is provided at the top of the holder (9), a fixing bolt (11) is installed through the front of the holder (9), a scraper (12) is installed at the top of the holder (9), a fixing block (13) is installed at the bottom of the scraper (12) and located in the slot (10), and positioning holes (14) are provided on both sides of the fixing block (13).

2. A sewage treatment device for removing phosphorus and nitrogen according to claim 1, characterized in that: A liquid inlet pipe and a material feed pipe are respectively installed through the top of the top cover (2), and the top cover (2) is rotatably arranged on the top of the barrel body (1) via a hinge at the rear end.

3. A sewage treatment device for phosphorus and nitrogen removal according to claim 1, characterized in that: The plurality of stirring rods (7) are divided into two groups, and the two groups of stirring rods (7) surround the periphery of the rotating rod (5).

4. A sewage treatment device for phosphorus and nitrogen removal according to claim 1, characterized in that: The fixing block (13) and the clamping slot (10) are clamped together, and the fixing bolt (11) penetrates the positioning hole (14) and is clamped together.

5. A sewage treatment device for phosphorus and nitrogen removal according to claim 1, characterized in that: The cleaning assembly (4) comprises a collecting pipe (15), the collecting pipe (15) being mounted at the bottom of the barrel body (1), a through groove (16) being provided between the collecting pipe (15) and the bottom of the barrel body (1), a spiral rod (17) being movably mounted inside the collecting pipe (15), a second motor (18) being mounted at the front end of the spiral rod (17) and located in front of the collecting pipe (15), a sewage pipe (19) being mounted at the rear end of the collecting pipe (15), and a sealing cover (20) being sleeved at the bottom end of the sewage pipe (19).

6. A sewage treatment device for removing phosphorus and nitrogen according to claim 5, characterized in that: The spiral rod (17) rotates synchronously with the output shaft of the second motor (18), and the collecting pipe (15) is communicated with the barrel body (1) through the through slot (16).

7. A sewage treatment device for removing phosphorus and nitrogen according to claim 5, characterized in that: The pipe opening of the sewage pipe (19) is arranged vertically, and the sealing cover (20) is sleeved on the outer periphery of the bottom of the sewage pipe (19) in a threaded connection.

Images