CN211226826U - Device based on sulphur is from oxygen denitrogenation dephosphorization - Google Patents
Device based on sulphur is from oxygen denitrogenation dephosphorization Download PDFInfo
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- CN211226826U CN211226826U CN201922138090.1U CN201922138090U CN211226826U CN 211226826 U CN211226826 U CN 211226826U CN 201922138090 U CN201922138090 U CN 201922138090U CN 211226826 U CN211226826 U CN 211226826U
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Abstract
The utility model relates to the technical field of sewage treatment equipment, and discloses a sulfur-based nitrogen and phosphorus removal device by using autoxidation, one side of a cell body is slidably connected with a bottom plate, the front surface of the bottom plate is fixedly connected with a connecting rod, the front surface of the connecting rod is fixedly provided with a limiting plate, the front surface of the limiting plate is connected with a limiting bolt in a penetrating way, one side of the cell body is fixedly provided with a side plate, the lower surface of the side plate is fixedly provided with a backwashing component, the inside of the cell body is fixedly provided with a filtering component, the filtering component can prevent the insecurity of elemental sulfur, avoid the pH drop of a conventional sulfur autotrophic denitrification system in the use process and the accumulated defect of nitrite, strengthen denitrification, the backwashing component runs for a period of time, the growth of a microbial membrane and the interception of suspended matters can cause the blockage of a filter bed, and cleaning the filter bed.
Description
Technical Field
The utility model relates to a sewage treatment device technical field specifically is a device based on sulphur is from oxygen denitrification dephosphorization.
Background
The main problem of advanced treatment of domestic sewage at present is advanced treatment of nitrogen and phosphorus, wherein the standard reaching of total nitrogen is the biggest problem, and the existing denitrification technical route based on the principle of nitrification and denitrification is the main technical flow, wherein the heterotrophic denitrification is the main technical flow, and because a large amount of carbon sources need to be added, the operation cost is high, and huge pressure is applied to a sewage treatment agent. Generally, the cost of wastewater treatment increased by the addition of carbon sources is about 0.1 to 0.5 yuan/m3The cost of the carbon source is usually estimated to be 1000 ten thousand yuan per year, and the operation pressure of enterprises is very large in a sewage treatment plant with the scale of 10 ten thousand tons, but water body deterioration may be caused by insecurity of elemental sulfur in the using process, pH reduction in the using process, accumulation of nitrite and circulation of more generated sulfate and sulfur. Therefore, one skilled in the art provides a device based on sulfur-based oxygen denitrification and phosphorus removal to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device based on sulphur is from oxygen denitrogenation dephosphorization to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a device based on sulphur is from oxygen denitrogenation dephosphorization, includes the cell body, one side sliding connection of cell body has the bottom plate, and the front surface of cell body has seted up the spout, the front surface fixed connection of bottom plate has the connecting rod, and the last fixed surface of bottom plate is connected with the weir plate, the front surface fixed mounting of connecting rod has the limiting plate, the front surface through connection of limiting plate has spacing bolt, one side fixed mounting of cell body has the curb plate, and the lower fixed surface of cell body installs the base, the lower fixed surface of curb plate installs the back flush subassembly, the inside fixed mounting of cell body has filtering component.
As a further aspect of the present invention: the back flush subassembly includes intake pipe, first outlet pipe, second outlet pipe, valve, inlet tube, cushion and back flush intake pipe, the lower surface through connection of curb plate has second outlet pipe and first outlet pipe, one side through connection of cell body has the inlet tube, and the opposite side through connection of cell body has the intake pipe, the one end through connection of inlet tube has the valve, and the lower fixed surface of inlet tube is connected with the cushion, the one end through connection of intake pipe has the back flush intake pipe.
As a further aspect of the present invention: the filter assembly comprises an anode, a cathode, a filter bed, a filter plate and a filter head, wherein the filter bed is fixedly arranged on the upper surface of the filter plate, the lower surface of the filter plate is connected with the filter head in a penetrating manner, the anode is connected with the filter bed in a penetrating manner, and the cathode is connected with the filter bed in a penetrating manner.
As a further aspect of the present invention: the connecting rod and the spout looks adaptation, and connecting rod and spout sliding connection.
As a further aspect of the present invention: the diameters of the first water outlet pipe and the second water outlet pipe are the same, and the first water outlet pipe and the second water outlet pipe are made of PVC.
As a further aspect of the present invention: the anodes and the cathodes are arranged in a staggered mode, and the anodes and the cathodes are made of the same material.
As a further aspect of the present invention: the quantity of base is 2, and 2 base bilateral symmetry install the lower surface at the cell body.
Compared with the prior art, the beneficial effects of the utility model are that:
can prevent the insecurity of elemental sulphur through having increased filtering component, avoid conventional sulphur autotrophic denitrogenation system to descend at use pH, the defect of nitrite accumulation, reinforce the denitrogenation, the utility model discloses an increased back flush subassembly after a period of operation, the growth of microbial film and holding back of suspended solid can cause the filter bed to block up, open back flush system this moment, the back flush adopts the joint recoil form of soda, with the filter bed sanitization, guarantee the utility model discloses normal work.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for removing nitrogen and phosphorus based on sulfur autoxidation;
FIG. 2 is a schematic view of an installation structure of a weir plate in a sulfur-based apparatus for removing nitrogen and phosphorus from oxygen;
FIG. 3 is a schematic structural diagram of a filter assembly in a sulfur-based apparatus for removing nitrogen and phosphorus from oxygen;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: 1. a side plate; 2. a weir plate; 3. a backwash assembly; 4. a tank body; 5. an air inlet pipe; 6. a first water outlet pipe; 7. a second water outlet pipe; 8. a valve; 9. a connecting rod; 10. a base plate; 11. a water inlet pipe; 12. an anode; 13. a cathode; 14. cushion blocks; 15. a filter assembly; 16. a filter bed; 17. a filter plate; 18. backwashing the air inlet pipe; 19. a filter head; 22. a limiting plate; 23. a chute; 24. a limit bolt; 25. a base.
Detailed Description
Please refer to fig. 1-4, in the embodiment of the utility model, a device based on nitrogen and phosphorus removal is taken off from oxygen to sulphur, including cell body 4, one side sliding connection of cell body 4 has bottom plate 10, and the front surface of cell body 4 has seted up spout 23, the front fixed surface of bottom plate 10 is connected with connecting rod 9, and the last fixed surface of bottom plate 10 is connected with weir plate 2, the front fixed surface of connecting rod 9 installs limiting plate 22, limiting plate 22's front surface through connection has stop bolt 24, one side fixed mounting of cell body 4 has curb plate 1, and the lower fixed surface of cell body 4 installs base 25, connecting rod 9 and spout 23 looks adaptation, and connecting rod 9 and spout 23 sliding connection, the quantity of base 25 is 2, and 2 base 25 bilateral symmetry install the lower surface at cell body 4.
In fig. 1, 3 and 4: the lower surface of the side plate 1 is fixedly provided with a backwashing component 3, the backwashing component 3 comprises an air inlet pipe 5, a first water outlet pipe 6, a second water outlet pipe 7, a valve 8, a water inlet pipe 11, a cushion block 14 and a backwashing air inlet pipe 18, the lower surface of the side plate 1 is connected with the second water outlet pipe 7 and the first water outlet pipe 6 in a penetrating way, one side of the cell body 4 is connected with the water inlet pipe 11 in a penetrating way, the other side of the cell body 4 is connected with the air inlet pipe 5 in a penetrating way, one end of the water inlet pipe 11 is connected with the valve 8 in a penetrating way, the cushion block 14 is fixedly connected with the lower surface of the water inlet pipe 11, one end of the air inlet pipe 5 is connected with the backwashing air inlet pipe 18 in a penetrating way, the diameters of the first water outlet pipe 6 and the second water outlet pipe 7 are the same, and, at the moment, the back washing system is opened, and the back washing adopts a steam-water combined back washing form to clean the filter bed and ensure the normal work of the utility model.
In fig. 1, 2 and 3: a filter assembly 15 is fixedly arranged in the tank body 4, the filter assembly 15 comprises an anode 12, a cathode 13, a filter bed 16, a filter plate 17 and a filter head 19, the filter bed 16 is fixedly arranged on the upper surface of the filter plate 17, the filter head 19 is connected to the lower surface of the filter plate 17 in a penetrating manner, the anode 12 is connected to the filter bed 16 in a penetrating manner, the cathode 13 is connected to the filter bed 16 in a penetrating manner, the anode 12 and the cathode 13 are arranged in a staggered manner, the anode 12 and the cathode 13 are made of the same material, the filter bed 16 is filled by taking ceramsite, sponge iron, pyrite particles (FeS2), elemental sulfur particles, shells and zeolite particles as mixed fillers, the particle size of the fillers is controlled to be 5-20mm, wherein the fillers such as ceramsite, sponge iron, pyrite and the like are mainly used as microorganism growth carriers, the sponge iron and the pyrite are mainly used for dephosphorization, enhanced denitrification and pH balance, and the sulfur particles and the pyrite are mainly used, the shell is mainly applied to pH balance, a stainless steel plate (net) is embedded in a filter bed 16 to serve as a cathode 13, a graphite net is embedded in a filter bed to serve as an anode 12, a direct current power supply is connected, corrosion of sponge iron and pyrite is enhanced in the form of impressed current, phosphorus removal is enhanced, meanwhile, a hydrogen source and a ferrous iron source are provided for self-oxygen denitrification, denitrification is enhanced, pH is balanced, insecurity of elemental sulfur can be prevented by adding a filter assembly 15, the defects that the pH of a conventional sulfur autotrophic denitrification system is reduced in the using process and nitrite is accumulated are avoided, and denitrification is enhanced.
The utility model discloses a theory of operation is: effluent of the sedimentation tank enters an intermediate water tank in a self-flowing or lifting mode, a small amount of carbon source is added into the intermediate water tank to play a role in reducing dissolved oxygen to create a denitrification nitrogen removal environment, the effluent enters a tank body 4 through a pump after temporarily staying in the intermediate water tank, wastewater is distributed through a filter head 19, the effluent adopts an upward flowing mode, and is mainly used as a microorganism growth carrier, namely sponge iron, pyrite particles (FeS2), elemental sulfur particles, shells and zeolite particles as mixed fillers and a filter bed 16, the particle size of the fillers is controlled to be 5-20mm, wherein the fillers of the ceramsite, the sponge iron, the pyrite and the like are mainly used as sponge iron and pyrite which are mainly used for removing phosphorus and strengthening nitrogen removal and pH balance, the sulfur particles and the pyrite are mainly used for providing a sulfur source for sulfur self-oxidizing nitrogen removal, the shells are mainly used for pH balance, a stainless steel plate (net) is embedded in the filter bed 16 as a, burying a graphite net as an anode 12, connecting a direct current power supply, enhancing corrosion of sponge iron and pyrite by an external current mode, enhancing phosphorus removal, providing a hydrogen source and a ferrous source for self-oxygen denitrification, enhancing denitrification, balancing pH, removing phosphate by chemical precipitation under the action of microorganisms, nitrate nitrogen and micro current (the external current is controlled to be 0-400mA), forming a series of hydroxyl polymers by nascent iron ions, helping flocculation to remove suspended matters, ensuring SS to reach the standard, enabling the total nitrogen removal rate of effluent to reach more than 80% after treatment, enabling the phosphate to reach more than 70%, enabling the suspended matters to reach more than 80%, enabling the effluent to converge into a second water outlet pipe 7, enabling the growth of microbial films and interception of the suspended matters to cause blockage of a filter bed 16 after running for a period of time, starting a backwashing component 3 at the moment, and enabling the backwashing component 3 to adopt a gas-water combined backwashing mode, first outlet pipe 6 is discharged to the backwash water, then discharges again, adjustable weir plate 2 sets up on 4 inside sliding connection's of cell body bottom plate 10, highly controls the height of going out water through adjusting sliding connection pole 9 regulation weir plate 2, and spacing bolt 24 on the limiting plate 22 that connecting rod 9 top is connected carries on spacingly to base 10, the utility model discloses a form that autotrophic denitrification and heterotrophic denitrogenation combine, throw a small amount of carbon source promptly in the intake (adopt sodium acetate to be main, the alcohols are for assisting) for improve abundant fungus crowd structure, strengthen the denitrogenation, can reach sulphur autotrophic denitrification, heterotrophic denitrogenation, hydrogen autotrophic denitrification, iron autotrophic denitrification, multiple functions such as electrochemistry dephosphorization, biological assimilation dephosphorization.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a device based on sulphur is from oxygen denitrogenation dephosphorization, includes cell body (4), its characterized in that, one side sliding connection of cell body (4) has bottom plate (10), and the front surface of cell body (4) has seted up spout (23), the front surface fixedly connected with connecting rod (9) of bottom plate (10), and the last fixed surface of bottom plate (10) is connected with weir plate (2), the front surface fixed mounting of connecting rod (9) has limiting plate (22), the front surface through connection of limiting plate (22) has stop bolt (24), one side fixed mounting of cell body (4) has curb plate (1), and the lower fixed surface of cell body (4) installs base (25), the lower fixed surface of curb plate (1) installs back flush subassembly (3), the inside fixed mounting of cell body (4) has filter assembly (15).
2. The device based on sulfur self-oxygen denitrification and dephosphorization is characterized in that the backwashing component (3) comprises an air inlet pipe (5), a first water outlet pipe (6), a second water outlet pipe (7), a valve (8), a water inlet pipe (11), a cushion block (14) and a backwashing air inlet pipe (18), the lower surface of the side plate (1) is connected with the second water outlet pipe (7) and the first water outlet pipe (6) in a penetrating manner, one side of the tank body (4) is connected with the water inlet pipe (11) in a penetrating manner, the other side of the tank body (4) is connected with the air inlet pipe (5) in a penetrating manner, one end of the water inlet pipe (11) is connected with the valve (8) in a penetrating manner, the lower surface of the water inlet pipe (11) is fixedly connected with the cushion block (14), and one.
3. The device for removing nitrogen and phosphorus from sulfur and oxygen is characterized in that the filtering component (15) comprises an anode (12), a cathode (13), a filter bed (16), a filter plate (17) and a filter head (19), the filter bed (16) is fixedly arranged on the upper surface of the filter plate (17), the filter head (19) is connected to the lower surface of the filter plate (17) in a penetrating manner, the anode (12) is connected to the filter bed (16) in a penetrating manner, and the cathode (13) is connected to the filter bed (16) in a penetrating manner.
4. The device for removing nitrogen and phosphorus from sulfur and oxygen is characterized in that the connecting rod (9) is matched with the chute (23), and the connecting rod (9) is in sliding connection with the chute (23).
5. The device for removing nitrogen and phosphorus from sulfur and oxygen as claimed in claim 2, wherein the diameters of the first outlet pipe (6) and the second outlet pipe (7) are the same, and the materials of the first outlet pipe (6) and the second outlet pipe (7) are PVC.
6. The device for removing nitrogen and phosphorus from sulfur and oxygen as claimed in claim 3, wherein the anode (12) and the cathode (13) are arranged in a staggered manner, and the anode (12) and the cathode (13) are made of the same material.
7. The device for removing nitrogen and phosphorus from sulfur and oxygen is characterized in that the number of the bases (25) is 2, and the 2 bases (25) are symmetrically arranged on the left and right of the lower surface of the tank body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922138090.1U CN211226826U (en) | 2019-12-03 | 2019-12-03 | Device based on sulphur is from oxygen denitrogenation dephosphorization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922138090.1U CN211226826U (en) | 2019-12-03 | 2019-12-03 | Device based on sulphur is from oxygen denitrogenation dephosphorization |
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| CN211226826U true CN211226826U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922138090.1U Active CN211226826U (en) | 2019-12-03 | 2019-12-03 | Device based on sulphur is from oxygen denitrogenation dephosphorization |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607847A (en) * | 2020-11-19 | 2021-04-06 | 西北工业大学 | Sewage nitrogen and phosphorus removal treatment method, device and application |
| CN114644397A (en) * | 2021-06-25 | 2022-06-21 | 无锡映川环境技术有限公司 | Autotrophic and heterotrophic synergetic denitrification composite denitrification filter material and preparation method thereof |
-
2019
- 2019-12-03 CN CN201922138090.1U patent/CN211226826U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607847A (en) * | 2020-11-19 | 2021-04-06 | 西北工业大学 | Sewage nitrogen and phosphorus removal treatment method, device and application |
| CN114644397A (en) * | 2021-06-25 | 2022-06-21 | 无锡映川环境技术有限公司 | Autotrophic and heterotrophic synergetic denitrification composite denitrification filter material and preparation method thereof |
| CN114644397B (en) * | 2021-06-25 | 2023-11-10 | 无锡映川环境技术有限公司 | Autotrophic heterotrophic synergistic denitrification composite denitrification filter material and preparation method thereof |
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