CN216273412U - Steel cold rolling waste water retrieval and utilization preliminary treatment multistage filtration processing system - Google Patents
Steel cold rolling waste water retrieval and utilization preliminary treatment multistage filtration processing system Download PDFInfo
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- CN216273412U CN216273412U CN202122977854.3U CN202122977854U CN216273412U CN 216273412 U CN216273412 U CN 216273412U CN 202122977854 U CN202122977854 U CN 202122977854U CN 216273412 U CN216273412 U CN 216273412U
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Abstract
The utility model discloses a steel cold rolling wastewater recycling pretreatment multistage filtration treatment system, which relates to the field of environmental protection equipment and comprises a manganese sand filter box, an active carbon filter box and a multi-medium filter box from top to bottom, wherein the manganese sand filter box, the active carbon filter box and the multi-medium filter box are all connected through a communicating pipe, valves are all arranged on the communicating pipe, the manganese sand filter box is communicated with a hopper, the multi-medium filter box is communicated with a drain pipe, and the drain pipe is provided with the valves. The steel cold rolling wastewater recycling pretreatment multistage filtration treatment system carries out multistage filtration pretreatment on wastewater reaching the treatment standard before recycling, and pollutants in the wastewater can be effectively reduced after manganese sand filtration, activated carbon filtration and multi-medium filtration, so that the pollutants in the wastewater are effectively removed.
Description
Technical Field
The utility model relates to the field of environment-friendly equipment, in particular to a steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system.
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, 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 requirements of waste water after being treated by the conventional process are difficult to meet. The steel cold rolling wastewater enters subsequent multi-stage filtration treatment after front-end treatment, and the content of pollutants in the wastewater can be effectively reduced after multi-stage filtration. At present, pretreatment filtering equipment for steel cold rolling wastewater is designed to be simple, multi-stage matched filtering without multiple filtering devices is not available, and pollutants in the wastewater cannot be completely removed.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing a steel cold rolling wastewater reuse pretreatment multistage filtration treatment system, wherein the wastewater reaching the standard is subjected to multistage filtration pretreatment before reuse, and pollutants in the wastewater can be effectively reduced after manganese sand filtration, activated carbon filtration and multi-medium filtration, so that the pollutants in the wastewater are effectively removed.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the multistage filtration treatment system for steel cold rolling wastewater recycling pretreatment comprises a manganese sand filter box, an activated carbon filter box and a multi-medium filter box from top to bottom, wherein the manganese sand filter box, the activated carbon filter box and the multi-medium filter box are connected through a communicating pipe, valves are arranged on the communicating pipe, the top of the manganese sand filter box is communicated with a hopper, the bottom of the side surface of the multi-medium filter box is communicated with a drain pipe, and the drain pipe is provided with the valve.
As a further optimization of the technical scheme, the manganese sand filter box, the activated carbon filter box and the multi-medium filter box are all made of stainless steel and respectively filled with manganese sand, activated carbon and multi-medium.
As a further optimization of the technical scheme, the communicating pipes are made of stainless steel and are connected with the manganese sand filter box, the activated carbon filter box and the multi-medium filter box through welding.
As a further optimization of the technical scheme, the hopper is made of stainless steel and is connected with the manganese sand filter box through welding.
As a further optimization of the technical scheme, the drain pipe is made of stainless steel and is connected with the multi-medium filter box through welding.
The beneficial effect of adopting above technical scheme is: the steel cold rolling wastewater recycling pretreatment multistage filtration treatment system carries out multistage filtration pretreatment on wastewater reaching the treatment standard before recycling, and pollutants in the wastewater can be effectively reduced after manganese sand filtration, activated carbon filtration and multi-medium filtration, so that the pollutants in the wastewater are effectively removed. The iron ions in the wastewater can be effectively reduced after the manganese sand is filtered. After the activated carbon is filtered, organic matters in the wastewater can be effectively reduced, and substances such as residual chlorine in the wastewater which are harmful to rear-end recycling can be effectively reduced. Substances such as suspended matters and the like in the sewage can be effectively removed after the multi-medium filtration.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a front view of the steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system;
FIG. 2 is a left side view of the steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system.
Wherein, 1-manganese sand rose box, 2-active carbon rose box, 3-many medium rose box, 4-hopper, 5-drain pipes, 6-communicating pipe, 7-valve.
Detailed Description
The preferred embodiment of the steel cold rolling waste water recycling pretreatment multi-stage filtration treatment system is described in detail below with reference to the accompanying drawings.
Fig. 1 and 2 show a specific embodiment of the steel cold rolling wastewater reuse pretreatment multistage filtration treatment system:
with reference to fig. 1 and 2, the multistage filtration treatment system for recycling and pretreating steel cold rolling wastewater comprises a manganese sand filter box 1, an activated carbon filter box 2 and a multi-medium filter box 3 from top to bottom, wherein the manganese sand filter box 1, the activated carbon filter box 2 and the multi-medium filter box 3 are connected through a communicating pipe 6, valves 7 are arranged on the communicating pipe 6, the top of the manganese sand filter box 1 is communicated with a hopper 4, the bottom of the side surface of the multi-medium filter box 3 is communicated with a drain pipe 5, and the drain pipe 5 is provided with the valves 7. When the device is used, the steel cold rolling wastewater can be poured into the manganese sand filter box 1 from the hopper 4, the valve 7 is opened, the steel cold rolling wastewater is sequentially introduced into the activated carbon filter box 2 and the multi-medium filter box 3 for filtering, and finally, the treated wastewater is discharged from the drain pipe 5.
The manganese sand filter tank 1, the activated carbon filter tank 2 and the multi-medium filter tank 3 are all made of stainless steel, are firm and durable, have good corrosion resistance and are respectively filled with manganese sand, activated carbon and multi-medium. The communicating pipe 6 is made of stainless steel, is firm and durable, has good corrosion resistance, and is connected with the manganese sand filter box 1, the activated carbon filter box 2 and the multi-medium filter box 3 by welding. The hopper 4 is made of stainless steel, is firm and durable, has good corrosion resistance, and is connected with the manganese sand filter box 1 by welding. The drain pipe 5 is made of stainless steel, is firm and durable, has good corrosion resistance, and is connected with the multi-media filter box 3 through welding.
The steel cold rolling wastewater recycling pretreatment multistage filtration treatment system carries out multistage filtration pretreatment on wastewater reaching the treatment standard before recycling, and pollutants in the wastewater can be effectively reduced after manganese sand filtration, activated carbon filtration and multi-medium filtration, so that the pollutants in the wastewater are effectively removed. The iron ions in the wastewater can be effectively reduced after the manganese sand is filtered. After the activated carbon is filtered, organic matters in the wastewater can be effectively reduced, and substances such as residual chlorine in the wastewater which are harmful to rear-end recycling can be effectively reduced. Substances such as suspended matters and the like in the sewage can be effectively removed after the multi-medium filtration.
The above is only a 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 of the present invention, which falls into the protection scope of the present invention.
Claims (5)
1. The steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system is characterized in that: steel cold rolling waste water retrieval and utilization preliminary treatment multistage filtration processing system top-down includes manganese sand rose box (1), active carbon rose box (2), multi-media rose box (3), all connect through communicating pipe (6) between manganese sand rose box (1), active carbon rose box (2), the multi-media rose box (3), all install valve (7) on communicating pipe (6), the top intercommunication of manganese sand rose box (1) has hopper (4), multi-media rose box (3) side bottom intercommunication has drain pipe (5), install valve (7) on drain pipe (5).
2. The steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system according to claim 1, characterized in that: the manganese sand filter box (1), the activated carbon filter box (2) and the multi-medium filter box (3) are all made of stainless steel and are respectively filled with manganese sand, activated carbon and multi-medium.
3. The steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system according to claim 1, characterized in that: the communicating pipes (6) are made of stainless steel, and the communicating pipes (6) are connected with the manganese sand filter box (1), the activated carbon filter box (2) and the multi-medium filter box (3) through welding.
4. The steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system according to claim 1, characterized in that: the hopper (4) is made of stainless steel, and the hopper (4) is connected with the manganese sand filter box (1) through welding.
5. The steel cold rolling wastewater reuse pretreatment multi-stage filtration treatment system according to claim 1, characterized in that: the drain pipe (5) is made of stainless steel, and the drain pipe (5) is connected with the multi-medium filter box (3) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122977854.3U CN216273412U (en) | 2021-11-30 | 2021-11-30 | Steel cold rolling waste water retrieval and utilization preliminary treatment multistage filtration processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122977854.3U CN216273412U (en) | 2021-11-30 | 2021-11-30 | Steel cold rolling waste water retrieval and utilization preliminary treatment multistage filtration processing system |
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| Publication Number | Publication Date |
|---|---|
| CN216273412U true CN216273412U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122977854.3U Active CN216273412U (en) | 2021-11-30 | 2021-11-30 | Steel cold rolling waste water retrieval and utilization preliminary treatment multistage filtration processing system |
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| CN (1) | CN216273412U (en) |
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2021
- 2021-11-30 CN CN202122977854.3U patent/CN216273412U/en active Active
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