CN210481094U - Synchronous cyanogen-breaking oil-removing air flotation tank for water treatment - Google Patents
Synchronous cyanogen-breaking oil-removing air flotation tank for water treatment Download PDFInfo
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- CN210481094U CN210481094U CN202020178545.2U CN202020178545U CN210481094U CN 210481094 U CN210481094 U CN 210481094U CN 202020178545 U CN202020178545 U CN 202020178545U CN 210481094 U CN210481094 U CN 210481094U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000005188 flotation Methods 0.000 title claims abstract description 22
- 230000001360 synchronised Effects 0.000 title claims abstract description 16
- 238000005345 coagulation Methods 0.000 claims abstract description 32
- 230000015271 coagulation Effects 0.000 claims abstract description 31
- 238000005189 flocculation Methods 0.000 claims abstract description 31
- 230000016615 flocculation Effects 0.000 claims abstract description 31
- 239000002351 wastewater Substances 0.000 claims abstract description 12
- 230000001112 coagulant Effects 0.000 claims abstract description 8
- 239000000701 coagulant Substances 0.000 claims abstract description 8
- 229920002401 polyacrylamide Polymers 0.000 claims abstract description 6
- 239000003814 drug Substances 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 claims description 10
- JMANVNJQNLATNU-UHFFFAOYSA-N Cyanogen Chemical compound 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N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000002093 peripheral Effects 0.000 claims description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- XFXPMWWXUTWYJX-UHFFFAOYSA-N cyanide Chemical compound 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N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract description 3
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- 238000005273 aeration Methods 0.000 description 3
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- 238000005457 optimization Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
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Abstract
The utility model relates to a water treatment synchronous cyanogen-breaking oil-removing air flotation tank, which comprises a coagulation tank flocculation tank, a water distribution weir structure, a bowl-shaped air flotation tank and a pressurized dissolved air water generating device; the coagulation tank, the flocculation tank and the water distribution weir structure comprise a coagulation tank, a flocculation tank and a water distribution weir structure; a cyanogen-breaking coagulant feeding pipe is arranged at the top of the coagulation tank; a PAM medicament inlet pipe is arranged at the top of the flocculation tank; the bowl-shaped air floatation tank comprises a bowl-shaped body, a cylindrical water inlet chamber and a circular retaining wall; the water distribution weir is connected with the water inlet chamber of the bowl-shaped air floatation tank through a water inlet pipe; the top of the circular retaining wall is sealed, and the bottom of the circular retaining wall is provided with a plurality of holes; water outlet weirs are arranged outside the circular retaining wall at intervals; the pressurized dissolved air water generating device comprises a pressurized dissolved air water pump, a pressurized dissolved air tank and a compressed air inlet device. The device has the advantages of reasonable structural design, reliable and stable operation, capability of greatly reducing the operation cost and the like, and effectively removes pollutants such as cyanide, sulfide and the like in the wastewater.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to a synchronous broken cyanogen deoiling air supporting pond of water treatment.
Background
The main pollutants of the coking wastewater generated by the coke oven comprise cyanides, petroleum and the like, and the coking wastewater has the disadvantages of complex components, high toxicity, poor biodegradability and high treatment difficulty. The utility model discloses just provide based on under this research background, aim at providing the above-mentioned defect that a synchronous broken cyanogen deoiling air supporting pond exists in order to solve above-mentioned coking wastewater of water treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a synchronous cyanogen breaking deoiling air supporting pond of water treatment, it has that structural design is reasonable, the operation is reliable stable, can effectively reduce aeration rate and the input of coagulant, greatly reduced advantages such as running cost, effectively get rid of pollutants such as cyanide, sulphide in the waste water simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a water treatment synchronous cyanogen breaking and oil removing air flotation tank comprises a coagulation tank flocculation tank, a water distribution weir structure, a bowl-shaped air flotation tank and a pressurized dissolved air water generating device; the coagulation tank, the flocculation tank and the water distribution weir structure comprise a coagulation tank, a flocculation tank and a water distribution weir structure; the flocculation tank is respectively connected with the coagulation tank and the water distribution weir structure; a first vertical stirrer is arranged in the coagulation tank; a second vertical stirrer is arranged in the flocculation tank; a cyanogen-breaking coagulant feeding pipe is arranged at the top of the coagulation tank; a PAM medicament inlet pipe is arranged at the top of the flocculation tank; the bowl-shaped air floatation tank comprises a bowl-shaped body, a cylindrical water inlet chamber which is arranged at the center of the bowl-shaped body and used for mixing and pressurizing dissolved air water and wastewater to be treated, and a circular retaining wall which is coaxially arranged with the water inlet chamber and is positioned at the periphery of the water inlet chamber; the water distribution weir is connected with a water inlet chamber of the bowl-shaped air floatation tank through a water inlet pipe; an opening is formed in the cylindrical peripheral surface of the water inlet chamber, and a slag scraper is arranged at the upper part of the water inlet chamber; the top of the circular retaining wall is sealed, and the bottom of the circular retaining wall is provided with a plurality of holes; the outer part of the circular retaining wall is also provided with water outlet weirs at intervals; an L-shaped or reverse L-shaped enclosing wall is arranged behind the water outlet weir; a water outlet pipe is arranged on the enclosing wall; a mud scraper is also arranged between the circular retaining wall and the bottom of the water inlet chamber; the mud scraper is matched with an oil collecting well arranged outside the water inlet chamber; the oil collecting well is connected with the sludge pool through a sludge discharge pipe; the pressurized dissolved air water generating device comprises a pressurized dissolved air water pump, a pressurized dissolved air tank and a compressed air inlet device, and the compressed air inlet device is connected with the pressurized dissolved air tank through a compressed air inlet pipe; the pressurized dissolved air water pump is connected with the pressurized dissolved air tank; the pressurized dissolved air water pump is also connected with the water outlet of the hole at the bottom of the circular retaining wall through a connecting pipe; the pressurizing dissolved air tank is connected with the water inlet chamber through a plurality of pressurizing dissolved air inlet pipes.
As a further optimization of the scheme, the water distribution weir structure comprises a plurality of continuously arranged equal-flow water distribution weirs, and the number of the equal-flow water distribution weirs and the number of the water inlet pipes are the same as that of the bowl-shaped air flotation tanks; the water inlet pipes are respectively and correspondingly connected and arranged between the bottom of the equal-flow water distribution weir and the bowl-shaped air flotation tank.
As a further optimization of the scheme, the first vertical stirrer is a rapid stirrer, and the rotating speed of the rapid stirrer is 70-130 rpm; the second vertical stirrer is a slow stirrer, the rotating speed of the second vertical stirrer is 10-50rpm, and the second vertical stirrer is controlled by frequency conversion; and a plurality of pH measuring instruments are arranged in the flocculation tank.
As a further optimization of the above scheme, the slag scraper and the mud scraper both adopt a driving device with 1 or 2 motors.
Adopt the utility model discloses a synchronous broken cyanogen deoiling air supporting pond of water treatment has following beneficial effect:
the utility model combines the cyanogen-breaking reaction system and the air floatation system, is used for removing cyanides and oil and ensures the stable operation of a subsequent biochemical system; the chemical dosing cyanogen breaking and the air floatation tank are combined, so that the coagulant adding amount of the air floatation tank can be saved, and the transportation is savedAnd (4) running cost. At the same time, Fe2+Conversion to Fe3+The process needs aeration, and the mode of combining with the air floatation tank is adopted, so that the aeration quantity can be saved, and the operation cost can be saved; before entering the air floatation tank, the wastewater firstly enters a coagulation flocculation and equal-flow water distribution weir structureFeSO is added into the coagulation tank4Or other ferrous ion agents, PAM agents. With FeSO4For example, FeSO4With CN in the waste water-And S2-Reacting to generate complex or precipitate, and adding FeSO4The rapid formation of flocs is enhanced and the precipitate is FeS. The rest of the sulfides in the water will be oxidized by the air injected into the flotation tank, which is critical to the removal of phenol in the next biological treatment process, since more than 20mg/L of H2The concentration of S can inhibit the degradation of phenol, thereby removing pollutants such as cyanide, sulfide and the like in the wastewater, and the method has convenient operation and high removal rate.
Drawings
FIG. 1 is a schematic structural view of the synchronous cyanogen-breaking oil-removing air flotation tank for water treatment.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, an integral connection, or a detachable connection; either mechanically or electrically, or internally communicating two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art will understand the specific meanings of the above terms according to specific situations.
The following description will discuss the synchronous cyanogen-breaking oil-removing air flotation tank for water treatment according to the present invention with reference to the attached drawing 1.
A water treatment synchronous cyanogen breaking and oil removing air flotation tank comprises a coagulation tank flocculation tank, a water distribution weir structure 01, a bowl-shaped air flotation tank 02 and a pressurized dissolved air water generating device 03; the coagulation tank, the flocculation tank and the water distribution weir structure comprise a coagulation tank 001, a flocculation tank 002 and a water distribution weir structure 003; the flocculation tank is respectively connected with the coagulation tank and the water distribution weir structure; a first vertical stirrer 004 is arranged in the coagulation tank; a second vertical stirrer 005 is arranged in the flocculation tank; a cyanogen-breaking coagulant feeding pipe 006 is arranged at the top of the coagulation tank; a PAM medicament inlet pipe 007 is arranged at the top of the flocculation tank; the bowl-shaped air floatation tank comprises a bowl-shaped body 105, a cylindrical water inlet chamber 101 which is arranged in the center of the bowl-shaped body and used for mixing pressurized dissolved air water and wastewater to be treated, and a circular retaining wall 104 which is coaxially arranged with the water inlet chamber and is positioned at the periphery of the water inlet chamber; the water distribution weir is connected with a water inlet chamber of the bowl-shaped air floatation tank through a water inlet pipe 009; an opening is formed in the cylindrical peripheral surface of the water inlet chamber, and a slag scraper 103 is arranged at the upper part of the water inlet chamber; the top of the circular retaining wall is sealed, and the bottom of the circular retaining wall is provided with a plurality of holes 106; effluent weirs 107 are arranged outside the circular retaining wall at intervals; an L-shaped or reverse L-shaped enclosing wall 108 is also arranged behind the water outlet weir; a water outlet pipe 109 is arranged on the enclosing wall; a mud scraper 110 is also arranged between the circular retaining wall and the bottom of the water inlet chamber; the mud scraper is matched with an oil collecting well 111 arranged outside the water inlet chamber; the oil collecting well is connected with a sludge pool 112 through a sludge discharge pipe; the pressurized dissolved air water generating device comprises a pressurized dissolved air water pump 201, a pressurized dissolved air tank 202 and a compressed air inlet device 203, and the compressed air inlet device is connected with the pressurized dissolved air tank 202 through a compressed air inlet pipe; the pressurized dissolved air water pump 201 is connected with a pressurized dissolved air tank 202; the pressurized dissolved air water pump 201 is also connected with the water outlet of the hole at the bottom of the circular retaining wall through a connecting pipe; the pressurized dissolved air tank is connected with the water inlet chamber through a plurality of pressurized dissolved air inlet pipes 102. The water distribution weir structure comprises a plurality of continuously arranged equal-flow water distribution weirs 010, and the number of the equal-flow water distribution weirs and the number of the water inlet pipes 009 are the same as that of the bowl-shaped air floatation tanks; the water inlet pipes are respectively and correspondingly connected and arranged between the bottom of the equal-flow water distribution weir and the bowl-shaped air flotation tank. The first vertical stirrer is a rapid stirrer, and the rotating speed of the rapid stirrer is 70-130 rpm; the second vertical stirrer is a slow stirrer, the rotating speed of the second vertical stirrer is 10-50rpm, and the second vertical stirrer is controlled by frequency conversion; and a plurality of pH measuring instruments are arranged in the flocculation tank. The slag scraper and the mud scraper both adopt a driving device with 1 or 2 motors.
The appearance of the flocculation tank and the water distribution weir structure 01 of the coagulation tank is cuboid; the bowl-shaped air flotation tank can be made of metal or alloy materials, and can also be made of concrete or other nonmetal materials; the first vertical stirrer and the second vertical stirrer adopt top built-in mixers; the slag scraper can adopt a chain plate type slag scraper; the mud scraper 110 employs a center drive thickening mud scraper.
The utility model discloses the working method in synchronous broken cyanogen deoiling air supporting pond of water treatment is as follows:
wastewater to be treated firstly enters a coagulation tank 001, a first vertical stirrer 004 is arranged in the coagulation tank, the rotating speed of the first vertical stirrer is 70-130rpm, and a cyanogen-breaking coagulant which can be FeSO is added into the coagulation tank4Or others containing twoSolutions or solids of ferric ions. The incoming water after the cyanogen-breaking coagulant is added enters a flocculation tank,the coagulation tank is internally provided with a second vertical stirrer which is a slow stirrer, the rotating speed of the slow stirrer is 10-50rpm, the flocculation tank is added with a PAM medicament, and the flocculation tank is internally provided with a plurality of pH measuring instruments 008, and the final pH of the flocculation tank is controlled to be less than 6. Coagulation and coagulationThe total retention time of the coagulation tank is 10-30 min; the equal-flow water distribution weir structures 003 are the same as the air floatation tanks in number, and when the number of the air floatation bodies is equal to or more than 2, the equal-flow water distribution weir structures 003 can ensure that the water inflow of each bowl-shaped air floatation tank is completely the same through the corresponding water inlet pipes 009. The wastewater to be treated flows through the water inlet chamber to discharge water to the periphery and enters the bowl-shaped body, and the micro bubbles in the dissolved air pressurized water carry suspended matters to discharge water in the circumferential direction. Floating slag is formed upwards by the suspended matters, the light oil and the generated light suspended matters under the entrainment of the micro air flotation, is positioned on the water surface and is scraped away by a slag scraper 103; the produced water passes through the circular retaining wall 104 positioned in the middle, passes through the holes 106 at the bottom (the holes 106 can be rectangular, circular, triangular, quadrilateral or other shapes capable of passing through water), and then flows out of the upper water outlet weir 107, and is communicated to the next structure for subsequent treatment through the water outlet pipe 109; heavy oil which cannot be carried by the micro bubbles falls to the bottom of the bowl-shaped air flotation tank, and meanwhile, the heavy oil is scraped to an oil collecting well 111 outside the cylindrical water inlet chamber by using a mud scraper 110 of the bowl-shaped air flotation tank and is discharged to a sludge tank 112 through a mud discharge pipe.
The embodiments described above are intended to facilitate one of ordinary skill in the art to understand and practice the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments herein, and those skilled in the art should understand that modifications and alterations made without departing from the scope of the present invention are within the protection scope of the present invention.
Claims (4)
1. The utility model provides a synchronous broken cyanogen deoiling air supporting pond of water treatment which characterized in that: comprises a coagulation tank flocculation tank, a water distribution weir structure (01), a bowl-shaped air floatation tank (02) and a pressurized dissolved air water generating device (03); the coagulation tank, the flocculation tank and the water distribution weir structure comprise a coagulation tank (001), a flocculation tank (002) and a water distribution weir structure (003); the flocculation tank is respectively connected with the coagulation tank and the water distribution weir structure; a first vertical stirrer (004) is arranged in the coagulation tank; a second vertical stirrer (005) is arranged in the flocculation tank; a cyanogen-breaking coagulant feeding pipe (006) is arranged at the top of the coagulation tank; a PAM medicament inlet pipe (007) is arranged at the top of the flocculation tank; the bowl-shaped air floatation tank comprises a bowl-shaped body (105), a cylindrical water inlet chamber (101) which is arranged in the center of the bowl-shaped body and used for mixing pressurized dissolved air water and wastewater to be treated, and a circular retaining wall (104) which is coaxially arranged with the water inlet chamber and is positioned on the periphery of the water inlet chamber; the water distribution weir is connected with a water inlet chamber of the bowl-shaped air floatation tank through a water inlet pipe (009); an opening is formed in the cylindrical peripheral surface of the water inlet chamber, and a slag scraper (103) is arranged at the upper part of the water inlet chamber; the top of the circular retaining wall is sealed, and the bottom of the circular retaining wall is provided with a plurality of holes (106); effluent weirs (107) are arranged outside the circular retaining wall at intervals; an L-shaped or reverse L-shaped enclosing wall (108) is also arranged behind the water outlet weir; a water outlet pipe (109) is arranged on the enclosing wall; a mud scraper (110) is also arranged between the circular retaining wall and the bottom of the water inlet chamber; the mud scraper is matched with an oil collecting well (111) arranged outside the water inlet chamber; the oil collecting well is connected with a sludge pool (112) through a sludge discharge pipe; the pressurized dissolved air water generating device comprises a pressurized dissolved air water pump (201), a pressurized dissolved air tank (202) and a compressed air inlet device (203), and the compressed air inlet device is connected with the pressurized dissolved air tank (202) through a compressed air inlet pipe; the pressurized dissolved air water pump (201) is connected with the pressurized dissolved air tank (202); the pressurized dissolved air water pump (201) is also connected with the water outlet of the hole at the bottom of the circular retaining wall through a connecting pipe; the pressurized dissolved air tank is connected with the water inlet chamber through a plurality of pressurized dissolved air inlet pipes (102).
2. The synchronous cyanogen-breaking oil-removing air flotation tank for water treatment as claimed in claim 1, wherein: the water distribution weir structure comprises a plurality of continuously arranged equal-flow water distribution weirs (010), and the number of the equal-flow water distribution weirs and the number of the water inlet pipes (009) are the same as that of the bowl-shaped air floatation tanks; the water inlet pipes are respectively and correspondingly connected and arranged between the bottom of the equal-flow water distribution weir and the bowl-shaped air flotation tank.
3. The synchronous cyanogen-breaking oil-removing air flotation tank for water treatment as claimed in claim 1, wherein: the first vertical stirrer is a rapid stirrer, and the rotating speed of the rapid stirrer is 70-130 rpm; the second vertical stirrer is a slow stirrer, the rotating speed of the second vertical stirrer is 10-50rpm, and the second vertical stirrer is controlled by frequency conversion; and a plurality of pH measuring instruments are arranged in the flocculation tank.
4. The synchronous cyanogen-breaking oil-removing air flotation tank for water treatment as claimed in claim 1, wherein: the slag scraper and the mud scraper both adopt a driving device with 1 or 2 motors.
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| CN202020178545.2U CN210481094U (en) | 2020-02-18 | 2020-02-18 | Synchronous cyanogen-breaking oil-removing air flotation tank for water treatment |
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Effective date of registration: 20201023 Address after: No.220-839, 2nd floor, science and technology innovation center, No.1 Xiankun Road, Jiangxinzhou, Jianye District, Nanjing City, Jiangsu Province 210019 Patentee after: Beijing Mining University (Nanjing) New Energy Environmental Protection Technology Research Institute Co., Ltd Address before: 100081 2 / F, building 4, Zhongguancun Science Park, north science and Technology Park, No. A2, Xisanhuan North Road, Haidian District, Beijing Patentee before: Beijing Bailing Tiandi Environmental Protection Technology Co.,Ltd. |