CN218810913U - Turbid circulating water treatment system of steel plant - Google Patents
Turbid circulating water treatment system of steel plant Download PDFInfo
- Publication number
- CN218810913U CN218810913U CN202123294833.8U CN202123294833U CN218810913U CN 218810913 U CN218810913 U CN 218810913U CN 202123294833 U CN202123294833 U CN 202123294833U CN 218810913 U CN218810913 U CN 218810913U
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- Prior art keywords
- circulating water
- turbid circulating
- pipeline
- sludge
- steel mill
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 238000004140 cleaning Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000010802 sludge Substances 0.000 claims description 39
- 238000000746 purification Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000010354 integration Effects 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000013049 sediment Substances 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000007259 addition reaction Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009500 colour coating Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Cyclones (AREA)
Abstract
The utility model discloses a turbid circulating water processing system of steel mill relates to the environmental protection equipment field, this turbid circulating water processing system of steel mill is including the whirl well of connecting the sediment fill, the whirl well has the pipe-line mixer through pipeline and pump connection, the pipe-line mixer is connected with hydraulic mixing device and pipe-line mixer in proper order, two pipe-line mixers all are connected with charge device (PAC, PAM), the pipe-line mixer is connected with integration pressure-bearing purifier, integration pressure-bearing purifier connects to flow through the filter with two options in proper order, the cooling tower, the cold water pond is connected, the cold water pond passes through pipeline and pump and is connected with the self-cleaning filter, the self-cleaning filter connects back the whirl well. This turbid circulating water processing system of steel mill designs the clean system who takes out mud specially to the turbid circulating water of steel mill, and solid-liquid separation thoroughly purifies more's effect is better.
Description
Technical Field
The utility model relates to an environmental protection equipment field relates to a turbid circulating water processing system of steel mill particularly.
Background
A cold rolling mill in the steel industry is provided with a pickling continuous rolling unit, a continuous annealing unit, a leveling unit, a color coating unit, a galvanizing unit and the like, the units can generate wastewater containing acid, oil and the like in the production process, desalted water is usually adopted during rinsing of steel plates, the salt content of the wastewater is low, the conductivity is low, and the recycling value is high. Meanwhile, a circulating water station is arranged in a cold rolling plant, the circulating water station needs to continuously supplement water lost in the processes of evaporation, air blowing, pollution discharge and the like in the operation process, the water quality requirement of supplemented water is high, the requirements on conductivity, COD (chemical oxygen demand), suspended matters and the like are met, and the next operation can be carried out after the wastewater is treated by a decontamination process of turbid circulating water treatment in a steel plant. The existing treatment system for the turbid circulating water of the steel plant is designed in a simpler and more traditional way, the sludge treatment in the turbid circulating water of the steel plant is not thorough and advanced, the sludge separation effect is not good, and some turbid matters can be generated during the next treatment of the turbid circulating water of the steel plant, so that the sewage purification effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a turbid circulating water processing system of steel mill, designs the clean system who takes out mud to the turbid circulating water of steel mill specially, and the effect that solid-liquid separation thoroughly purified more is better.
In order to achieve the above object, the present invention provides the following technical solutions:
this turbid circulating water processing system of steel mill is including the whirl well of connecting the sediment fill, the whirl well has the line mixer through pipeline and pump connection, the line mixer is connected with hydraulic mixing device and line mixer in proper order, two line mixers all are connected with charge device (PAC, PAM), the line mixer is connected with integration pressure-bearing purifier, integration pressure-bearing purifier connects in proper order and flows the filter with two options, the cooling tower, the cold water pond is connected, the cold water pond passes through pipeline and pump and is connected with the self-cleaning filter, the self-cleaning filter connects back the whirl well.
As a further optimization of the technical scheme, the hydraulic mixing device is connected with the sludge collecting tank.
As a further optimization of the technical scheme, the sludge collection tank is sequentially connected with two sludge concentration tanks through a pipeline and a pump, and the dosing device (PAC, PAM) is connected with the first sludge concentration tank.
As a further optimization of the technical scheme, the two sludge concentration tanks respectively send clear liquid and filtrate into the cyclone well, and sludge of the sludge concentration tanks is transported outwards.
The beneficial effect of adopting above technical scheme is: when the turbid circulating water treatment system of the steel plant works, the steel rolling production effluent can be sent to a part of sludge at the shunting part in the cyclone well and then enters a slag hopper, and then the sewage is sent to a pipeline mixer and a hydraulic mixing device and is subjected to chemical addition reaction. Then the sewage is sent into an integrated pressure-bearing purification device, the sludge is sent into a sludge collection tank, the sewage is sent into a double-selective flow filter, a cooling tower and a cold water tank in sequence, and finally the sewage is connected back to a cyclone well through a self-cleaning filter. And the sludge in the sludge collecting tank is concentrated by the two sludge concentrating tanks, and finally the clear liquid and the filtrate are respectively sent into the cyclone well, and the sludge in the sludge concentrating tanks is transported outwards. This turbid circulating water processing system of steel mill designs the clean system who takes out mud specially to the turbid circulating water of steel mill, and solid-liquid separation thoroughly purifies's effect is better more.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of the configuration of the turbid circulating water treatment system of the steel plant.
Detailed Description
Preferred embodiments of the turbid circulating water treatment system of a steel plant will be described in detail below with reference to the accompanying drawings.
FIG. 1 shows a concrete embodiment of the turbid circulating water treatment system of a steel plant:
as shown in figure 1, the turbid circulating water treatment system of the steel plant comprises a cyclone well connected with a slag bucket, wherein the cyclone well is connected with a pipeline mixer through a pipeline and a pump, the pipeline mixer is sequentially connected with a hydraulic mixing device and the pipeline mixer, the two pipeline mixers are both connected with a dosing device (PAC and PAM), the pipeline mixer is connected with an integrated pressure-bearing purification device, the integrated pressure-bearing purification device is sequentially connected with a double-selective flow filter, a cooling tower and a cold water pond, the cold water pond is connected with a self-cleaning filter through a pipeline and a pump, and the self-cleaning filter is connected with the cyclone well.
As shown in fig. 1, the hydraulic mixing device is connected to a sludge collection tank. The sludge collecting tank is sequentially connected with two sludge concentration tanks through a pipeline and a pump, and the dosing devices (PAC and PAM) are connected with the first sludge concentration tank. The two sludge concentration tanks respectively send the clear liquid and the filtrate into the cyclone well, and the sludge of the sludge concentration tanks is transported outside.
When the turbid circulating water treatment system of the steel plant works, the steel rolling production effluent can be sent to a part of sludge at the shunting part in the cyclone well and then enters a slag hopper, and then the sewage is sent to a pipeline mixer and a hydraulic mixing device and is subjected to chemical addition reaction. Then the sewage is sent into an integrated pressure-bearing purification device, the sludge is sent into a sludge collection tank, the sewage is sent into a double-selective flow filter, a cooling tower and a cold water tank in sequence, and finally the sewage is connected back to a cyclone well through a self-cleaning filter. And the sludge in the sludge collecting tank is concentrated by the two sludge concentrating tanks, and finally the clear liquid and the filtrate are respectively sent into the cyclone well, and the sludge in the sludge concentrating tanks is transported outwards. This turbid circulating water processing system of steel mill designs the clean system who takes out mud specially to the turbid circulating water of steel mill, and solid-liquid separation thoroughly purifies's effect is better more.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these all fall into the protection scope of the present invention.
Claims (4)
1. The utility model provides a turbid circulating water processing system of steel mill which characterized in that: the turbid circulating water treatment system of the steel plant comprises a cyclone well connected with a slag bucket, the cyclone well is connected with a pipeline mixer through a pipeline and a pump, the pipeline mixer is sequentially connected with a hydraulic mixing device and the pipeline mixer, the two pipeline mixers are connected with a dosing device (PAC, PAM), the pipeline mixer is connected with an integrated pressure-bearing purification device, the integrated pressure-bearing purification device is sequentially connected with a double-selective flow filter, a cooling tower and a cold water pond, the cold water pond is connected with a self-cleaning filter through a pipeline and a pump, and the self-cleaning filter is connected back to the cyclone well.
2. A steel plant turbid circulating water treatment system according to claim 1, characterized in that: the hydraulic mixing device is connected with the sludge collecting tank.
3. A steel mill turbid circulating water treatment system according to claim 2, characterized in that: the sludge collecting tank is sequentially connected with two sludge concentration tanks through a pipeline and a pump, and the dosing device (PAC, PAM) is connected with the first sludge concentration tank.
4. A steel mill turbid circulating water treatment system according to claim 3, characterized in that: the two sludge concentration tanks respectively send clear liquid and filtrate into the cyclone well, and sludge of the sludge concentration tanks is transported outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123294833.8U CN218810913U (en) | 2021-12-26 | 2021-12-26 | Turbid circulating water treatment system of steel plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123294833.8U CN218810913U (en) | 2021-12-26 | 2021-12-26 | Turbid circulating water treatment system of steel plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218810913U true CN218810913U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123294833.8U Active CN218810913U (en) | 2021-12-26 | 2021-12-26 | Turbid circulating water treatment system of steel plant |
Country Status (1)
| Country | Link |
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| CN (1) | CN218810913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117865378A (en) * | 2023-12-22 | 2024-04-12 | 无锡市德林环保集团有限公司 | Pressure-bearing integrated turbid circulating water purifying device |
-
2021
- 2021-12-26 CN CN202123294833.8U patent/CN218810913U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117865378A (en) * | 2023-12-22 | 2024-04-12 | 无锡市德林环保集团有限公司 | Pressure-bearing integrated turbid circulating water purifying device |
| CN117865378B (en) * | 2023-12-22 | 2024-06-11 | 无锡市德林环保集团有限公司 | Pressure-bearing integrated turbid circulating water purifying device |
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