CN216662785U - Coking wastewater treatment device - Google Patents
Coking wastewater treatment device Download PDFInfo
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- CN216662785U CN216662785U CN202123328500.2U CN202123328500U CN216662785U CN 216662785 U CN216662785 U CN 216662785U CN 202123328500 U CN202123328500 U CN 202123328500U CN 216662785 U CN216662785 U CN 216662785U
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- tank
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- pond
- fixed mounting
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- 238000004939 coking Methods 0.000 title claims abstract description 29
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 53
- 239000002351 wastewater Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 17
- 230000001112 coagulating effect Effects 0.000 claims abstract description 11
- 241000883990 Flabellum Species 0.000 claims abstract description 6
- 239000003381 stabilizer Substances 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000005496 tempering Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 238000005188 flotation Methods 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 238000000034 method Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- AKVPUSMVWHWDGW-UHFFFAOYSA-N [C].[N].[P] Chemical compound [C].[N].[P] AKVPUSMVWHWDGW-UHFFFAOYSA-N 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Physical Water Treatments (AREA)
Abstract
The utility model discloses a coking wastewater treatment device, which comprises an oil separation tank, an air flotation tank, a pretreatment adjusting tank, a primary A tank, a secondary A tank, an O tank, a secondary sedimentation tank, a biochemical fluidized bed and a coagulating sedimentation tank, wherein wastewater flows through the oil separation tank, the air flotation tank, the pretreatment adjusting tank, the primary A tank, the secondary A tank, the O tank, the secondary sedimentation tank, the biochemical fluidized bed and the coagulating sedimentation tank in sequence, and the coking wastewater treatment device is characterized in that: the preliminary treatment equalizing basin still includes mixing arrangement, mixing arrangement includes upper and lower open-ended blending bin, and blending bin below fixed mounting has a plurality of stabilizer blades of certain length, has seted up two at least water conservancy diversion mouths on the blending bin lateral wall, and the blending bin outside still includes the honeycomb duct that corresponds with water conservancy diversion mouth quantity, and the honeycomb duct is the arcuation hollow tube and is connected with the water conservancy diversion mouth, and the blending bin top is fixed mounting still has the motor support, and motor support top fixed mounting has the motor, and the motor shaft of motor is deepened the bottom of blending bin from the top of blending bin, and fixed mounting has the flabellum on the bottom of motor shaft.
Description
Technical Field
The utility model relates to the field of wastewater treatment, in particular to a coking wastewater treatment device.
Background
The coking wastewater is high-concentration organic wastewater which is toxic, harmful and difficult to degrade, and mainly comes from the process water and steam condensation wastewater in the process of primary cooling and coking of coke oven gas. The concentration of pollutants in the coking wastewater is high and difficult to degrade, the nitrogen source required by biological purification is excessive due to the existence of nitrogen in the coking wastewater, the treatment reaches the standard and is difficult, the polycyclic aromatic hydrocarbon in the coking wastewater is difficult to degrade and is a strong carcinogen generally, so that the environment is seriously polluted and the human health is directly threatened.
Therefore, the treatment of the coking wastewater is necessary, a device for treating the coking wastewater is available on the market at present, advanced pretreatment is carried out by adopting an oil separation tank, an air flotation tank and a pretreatment regulating tank, biochemical treatment is carried out by a primary A tank, a secondary A tank and an O tank, and then after-treatment processes of a secondary sedimentation tank, a biochemical fluidized bed and a coagulating sedimentation tank are carried out, so that the effluent reaches the requirements of discharge standards of pollutants in coking chemical industry (GB16171-2012), and the coking wastewater finally reaches zero discharge through advanced treatment of ultrafiltration and reverse osmosis processes. The pretreatment regulating reservoir in the device at present has two functions, one is that the water yield is adjusted in order to prevent that the water yield that untimely drainage of water plant caused exceeds standard, but adjusts the carbon nitrogen phosphorus proportion in waste water, and low efficiency when the pretreatment regulating reservoir adjusts carbon nitrogen phosphorus proportion at present, the time spent is overlength to there is the uneven problem of proportion distribution.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coking wastewater treatment device which can solve the problems that the efficiency is low, the time consumption is too long and the carbon-nitrogen-phosphorus ratio is unevenly distributed in wastewater when a pretreatment regulating tank adjusts the carbon-nitrogen-phosphorus ratio in the prior art.
The technical scheme of the utility model is realized as follows:
the utility model provides a coking wastewater treatment device, includes oil interceptor, air supporting pond, preliminary treatment equalizing basin, one-level A pond, second grade A pond, O pond, two heavy ponds, biochemical fluidized bed and coagulating sedimentation tank, and waste water flows through in oil interceptor, air supporting pond, preliminary treatment equalizing basin, one-level A pond, second grade A pond, O pond, two heavy ponds, biochemical fluidized bed, coagulating sedimentation tank in proper order. Above-mentioned preliminary treatment equalizing basin is still including placing the mixing arrangement who puts at preliminary treatment equalizing basin central point, above-mentioned mixing arrangement includes upper and lower open-ended blending bin, blending bin below fixed mounting has a plurality of stabilizer blades of certain length, at least two water conservancy diversion mouths have been seted up on the blending bin lateral wall, the blending bin outside still includes the honeycomb duct that corresponds with water conservancy diversion mouth quantity, the honeycomb duct is the arcuation hollow tube and is connected with the water conservancy diversion mouth, the blending bin top is fixed mounting still has the motor support, motor support top fixed mounting has the motor, the motor shaft of motor is deepened the bottom of blending bin from the top of blending bin, fixed mounting has the flabellum on the bottom of motor shaft.
The further technical proposal is that the included angle between the draft tube and the outer wall of the mixing barrel in the vertical direction is less than 90 degrees.
The further technical proposal is that the guide pipe is fixedly connected with the outer wall of the mixing barrel through a support rod.
The further technical scheme is that the motor support comprises a support and a support rod, the support is a hard long plate, the support and the mixing barrel are fixedly connected through the support rod, and the motor is fixedly installed on the support.
The further technical scheme is that the rotating direction of the fan blades is consistent with the direction of the bending radian of the flow guide pipe.
The utility model has the beneficial effects that:
1. the carbon source, the nitrogen source and the phosphorus source which are additionally arranged in the pretreatment regulating reservoir can be fully mixed, so that the carbon-nitrogen-phosphorus ratio in the wastewater of the pretreatment regulating reservoir is kept consistent.
2. Through setting up the honeycomb duct, can transport the waste water of fully mixing in the blending tank to the inside all around of preliminary treatment equalizing basin.
3. By setting the rotating direction of the fan blades to be consistent with the curvature direction of the radian of the flow guide pipe, the output power of the motor is reduced and energy is saved by utilizing the rotation potential energy of water.
4. Through setting up flabellum direction of rotation unanimous with the crooked direction of honeycomb duct radian for waste water rotates more fast in the preliminary treatment equalizing basin, and carbon nitrogen phosphorus mixes more fully.
Drawings
FIG. 1 is a general schematic view of a mixing device;
FIG. 2 is a cross-sectional view of the internal structure of the present invention;
FIG. 3 is a general schematic of the present invention;
FIG. 4 is a schematic diagram of the arrangement of the pretreatment adjusting tank and the mixing device.
In the figure, 1 mixing barrel, 2 honeycomb ducts, 3 support rods, 4 support legs, 5 support rods, 6 supports, 7 motors, 8 motor shafts, 9 flow guide openings, 10 fan blades, 11 ring frames, 12 wastewater inlets, 13 oil separation tanks, 14 air flotation tanks, 15 pretreatment adjusting tanks, 16 primary A tanks, 17 secondary A tanks, 18O tanks, 19 secondary sedimentation tanks, 20 biochemical fluidized beds and 21 coagulative precipitation tanks.
Detailed Description
In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.
Under the current environment, the treatment process of the coking wastewater has been disclosed more, for example, the Chinese invention patent with the patent number of CN2021109494085.9 and the name of "a treatment method for discharging the coking wastewater reaching the standard" and the Chinese invention patent with the patent number of CN200810001207.5 and the name of "a biological treatment process method for the coking wastewater" both disclose the treatment process of the coking wastewater and corresponding required equipment. A coking wastewater treatment device appears on the market, the coking wastewater reaches zero discharge finally through the advanced pretreatment by adopting an oil separation tank 13, an air flotation tank 14 and a pretreatment regulating tank 15, the biochemical treatment by a primary A tank 16, a secondary A tank 17 and an O tank 18, and the post-treatment process of a secondary sedimentation tank 19, a biochemical fluidized bed 20 and a coagulating sedimentation tank 31, wherein the effluent meets the requirements of coking chemical industry pollutant discharge standard (GB16171-2012), and the advanced treatment by ultrafiltration and reverse osmosis processes. The pretreatment regulating tank 15 before entering the first-stage a tank 16, that is, the anaerobic tank, needs to regulate the proportion of carbon, nitrogen and phosphorus, and generally, some additional carbon sources, nitrogen sources and phosphorus sources are needed to convert carbon: nitrogen: the phosphorus ratio was adjusted to 100:5:1, which is sufficient for small plants to have their own water source flow, but insufficient for large plants to adequately mix the added carbon, nitrogen and phosphorus sources.
Referring to fig. 1 to 3, a coking wastewater treatment device comprises an oil separation tank 13, an air flotation tank 14, a pretreatment adjusting tank 15, a first-stage a tank 16, a second-stage a tank 17, an O tank 18, a secondary sedimentation tank 19, a biochemical fluidized bed 20 and a coagulating sedimentation tank 21, wherein wastewater flows through the oil separation tank 13, the air flotation tank 14, the pretreatment adjusting tank 15, the first-stage a tank 16, the second-stage a tank 17, the O tank 18, the secondary sedimentation tank 19, the biochemical fluidized bed 20 and the coagulating sedimentation tank 1 in sequence. Specifically, a mixing device is added to the pretreatment adjusting tank 15.
The main body of the mixing device is a mixing barrel 1 with an upper opening and a lower opening, the mixing barrel 1 is made of stainless steel, three support legs 4 with the length of at least half meter are welded below the mixing barrel 1, and three supports form a stable triangular structure to support the mixing barrel 1. Six diversion ports 9 are formed in the side wall of the mixing barrel 1, and the diversion ports 9 are distributed on the side wall of the mixing barrel 1 at equal angles and in the same level. Six guide pipes 2 are welded at the position of a flow guide opening 9 on the outer side of the mixing barrel 1, each guide pipe 2 is a hollow pipe with radian and is formed by combining stainless steel pipes with different pipe diameters and plastic pipes, each stainless steel pipe is welded to the corresponding flow guide opening 9, each guide pipe 2 and the corresponding flow guide opening 9 are in a closed state after being welded, and then the plastic pipes are sleeved into the stainless steel pipes. The vertical included angle between the draft tube 2 and the outer wall of the mixing barrel 1 is smaller than 90 degrees, so that the draft tube 2 does not touch the bottom of the pretreatment adjusting tank. In order to ensure the stability and prevent the plastic pipe from excessively hanging and breaking, the plastic pipe and the outer wall of the mixing barrel 1 are fixed by a support rod 3, and six guide pipes 2 are in a spiral shape when the guide pipes 2 are overlooked from a high place.
Install the 7 supports of motor at 1 top of tempering tank, the 7 supports of motor include support 6 and cradling piece 5, and support 6 is the long board of hard stainless steel that has the radian, and through cradling piece 5 welded fastening between support 6 and tempering tank 1, installation waterproof motor 7 on support 6. A motor shaft 8 of the waterproof motor 7 extends into the bottom end of the mixing barrel 1 from top to bottom of the mixing barrel 1, and a spiral stainless steel fan blade 10 is mounted on the motor shaft 8.
Specifically, if the motor shaft 8 of the motor 7 is too long in the field situation, the ring frame 11 can be arranged at the top end of the mixing barrel 1, and the motor shaft 8 is fixed in the ring frame 11, so that the stability of the motor shaft 8 is improved.
The working principle of the utility model is as follows:
when this device uses, place mixing arrangement in the centre of preliminary treatment equalizing basin 15, make waste water not cross mixing barrel 1's bottom opening, when operating personnel puts in the corner of preliminary treatment equalizing basin 15 carbon source, when nitrogen source and phosphorus source, it is rotatory to open motor 7 messenger's flabellum 10 in the mixing barrel 1, waste water in the preliminary treatment equalizing basin 15 gets into mixing barrel 1 by the below of mixing barrel 1 under the guide of flabellum 10, and mix and the lifting in mixing barrel 1, spill over by water conservancy diversion mouth 9 when waste water lifting arrives water conservancy diversion mouth 9, waste water enters into in honeycomb duct 2 afterwards and transports around preliminary treatment equalizing basin 15 along with honeycomb duct 2. Along with continuous reciprocating, the waste water in the whole pretreatment regulating tank 15 continuously flows to the mixing barrel 1 in the middle from the periphery, and flows to the periphery along with the draft tube 2 after being mixed in the mixing barrel 1, and finally, the carbon, the nitrogen and the phosphorus in the whole pretreatment regulating tank 15 are completely mixed, so that the carbon, the nitrogen and the phosphorus ratios of any waste water in the pretreatment regulating tank 15 are kept consistent. When the rotating direction of the fan blades 10 is consistent with the direction of the bending radian of the flow guide pipe 2, the flowing potential energy of water can be utilized, so that the wastewater in the pretreatment adjusting tank 15 is rotated more quickly, the carbon, nitrogen and phosphorus are mixed more fully, the output power of a motor is reduced, and the power is saved more.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The utility model provides a coking wastewater treatment device, including oil interceptor (13), air supporting pond (14), preliminary treatment equalizing basin (15), one-level A pond (16), second grade A pond (17), O pond (18), two heavy ponds (19), biochemical fluidized bed (20) and coagulating sedimentation tank (21), waste water flows through its characterized in that in oil interceptor (13), air supporting pond (14), preliminary treatment equalizing basin (15), one-level A pond (16), second grade A pond (17), O pond (18), two heavy ponds (19), biochemical fluidized bed (20), coagulating sedimentation tank (21) in proper order: the pretreatment regulating reservoir (15) also comprises a mixing device which is arranged at the central position of the pretreatment regulating reservoir (15), mixing arrangement includes upper and lower open-ended tempering tank (1), tempering tank (1) below fixed mounting has a plurality of stabilizer blades (4) of certain length, at least two water conservancy diversion mouths (9) have been seted up on tempering tank (1) lateral wall, tempering tank (1) outside still includes honeycomb duct (2) that correspond with water conservancy diversion mouth (9) quantity, honeycomb duct (2) are the arcuation hollow tube and are connected with water conservancy diversion mouth (9), tempering tank (1) top still fixed mounting has motor (7) support, motor (7) support top fixed mounting has motor (7), motor shaft (8) of motor (7) are from the top of tempering tank (1) deep into the bottom of tempering tank (1), fixed mounting has flabellum (10) on the bottom of motor shaft (8).
2. The coking wastewater treatment device according to claim 1, characterized in that: the included angle between the guide pipe (2) and the outer wall of the mixing barrel (1) in the vertical direction is smaller than 90 degrees.
3. The coking wastewater treatment plant according to claim 2, characterized in that: the guide pipe (2) is fixedly connected with the outer wall of the mixing barrel (1) through a support rod (3).
4. The coking wastewater treatment plant according to claim 3, characterized in that: the motor (7) support comprises a support (6) and a support rod (5), the support (6) is a hard long plate, the support (6) is fixedly connected with the mixing barrel (1) through the support rod (5), and the motor (7) is fixedly installed on the support (6).
5. The coking wastewater treatment device according to claim 4, characterized in that: the rotating direction of the fan blades (10) is consistent with the direction of the bending radian of the flow guide pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123328500.2U CN216662785U (en) | 2021-12-28 | 2021-12-28 | Coking wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123328500.2U CN216662785U (en) | 2021-12-28 | 2021-12-28 | Coking wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216662785U true CN216662785U (en) | 2022-06-03 |
Family
ID=81799136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123328500.2U Active CN216662785U (en) | 2021-12-28 | 2021-12-28 | Coking wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216662785U (en) |
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2021
- 2021-12-28 CN CN202123328500.2U patent/CN216662785U/en active Active
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