CN217535680U - Combined device for deeply softening and removing silicon in coal chemical wastewater - Google Patents
Combined device for deeply softening and removing silicon in coal chemical wastewater Download PDFInfo
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- CN217535680U CN217535680U CN202221635109.9U CN202221635109U CN217535680U CN 217535680 U CN217535680 U CN 217535680U CN 202221635109 U CN202221635109 U CN 202221635109U CN 217535680 U CN217535680 U CN 217535680U
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Abstract
The utility model discloses a composite set that is used for coal chemical industry waste water degree of depth to soften desiliconization, including advanced treatment forebay and advanced treatment depositing reservoir, advance through depositing reservoir water piping connection between advanced treatment forebay and the advanced treatment depositing reservoir, the advanced treatment forebay is equipped with the forebay agitator, the mixing drum, forebay mud pipe, forebay inlet tube, forebay mud bucket, lime dosing pipe and magnesium agent dosing pipe, the advanced treatment depositing reservoir is equipped with the depositing reservoir agitator, the mud scraper, the mixing chamber, the depositing reservoir reacting chamber, the mud bucket, depositing reservoir mud pipe, coagulant dosing pipe, sodium carbonate dosing pipe and production water pipe. The utility model belongs to the technical field of, specifically be a carry out the advanced treatment back to coal chemical industry waste water, can get rid of hardness in the coal chemical industry waste water to effectively get rid of the organic matter, reduce the silicon that contains in the waste water, thereby reduce the composite set that is used for coal chemical industry waste water degree of depth of follow-up membrane concentration system scale deposit risk to soften desiliconization.
Description
Technical Field
The utility model belongs to the technical field of the preliminary treatment of coal chemical industry waste water is softened and is removed the silicon, especially, relate to a composite set that is used for coal chemical industry waste water degree of depth to soften and removes silicon.
Background
Pretreatment of coal gasification wastewater is a necessary condition for ensuring biochemical treatment and advanced treatment. The high-silicon high-hardness coal gasification wastewater can cause scaling and blockage of process equipment and pipelines, particularly, a reverse osmosis membrane can be scaled in a short time when advanced treatment is carried out, and the reverse osmosis membrane is difficult to clean after silica scale is formed, so that the membrane performance is reduced and even the membrane fails, and the cyclic utilization of the coal gasification wastewater is seriously influenced.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a composite set for coal chemical industry waste water degree of depth softens desiliconization carries out the advanced treatment back to coal chemical industry waste water, can get rid of hardness in the coal chemical industry waste water to effectively get rid of the organic matter, reduce the silicon that contains in the waste water, thereby reduce follow-up concentrated system scale deposit risk of membrane.
The utility model adopts the technical scheme as follows: a combination device for deeply softening and removing silicon from coal chemical wastewater comprises a deep treatment front pool and a deep treatment clarification pool, wherein the deep treatment front pool is connected with the deep treatment clarification pool through a clarification pool water inlet pipe, the deep treatment front pool is provided with a front pool stirrer, a mixing cylinder, a front pool mud pipe, a front pool water inlet pipe, a front pool mud bucket, a lime dosing pipe and a magnesium agent dosing pipe, the mixing cylinder is arranged at the center of the deep treatment front pool and is coaxially arranged with the front pool, the front pool stirrer is arranged at the central shaft in the mixing cylinder, the front pool is connected with the water inlet pipe for feeding water into the deep treatment front pool, the bottom of the deep treatment front pool is connected with the front pool mud bucket, the front pool mud bucket is connected with the front pool mud pipe, and the deep treatment front pool is connected with the lime dosing pipe and the magnesium agent dosing pipe;
the advanced treatment clarification tank is equipped with the clarification tank agitator, scrapes mud machine, mixing chamber, clarification tank reaction chamber, mud fill, clarification tank mud pipe, coagulant dosing pipe, sodium carbonate dosing pipe and produce the water pipe, center department is equipped with the mixing chamber in the advanced treatment clarification tank, the mixing chamber is coaxial with the advanced treatment clarification tank, set up the reaction chamber with the coaxial outside of mixing chamber in the advanced treatment clarification tank, the outside of reaction chamber is the clear water district in the advanced treatment clarification tank, the center pin department of mixing chamber is located to the clarification tank agitator, the rotation axis of mud machine runs through the mixing chamber along the center pin of mixing chamber, the rotation axis of mud machine is connected with scrapes the mud subassembly, it locates advanced treatment clarification tank lower part to scrape the mud subassembly, the bottom of advanced treatment clarification tank is connected with the clarification tank mud fill, the clarification tank mud fill is connected with the clarification tank mud pipe, the advanced treatment clarification tank is connected with the product water pipe, the advanced treatment clarification tank leads to being connected with coagulant dosing pipe and adds the dosing pipe.
Further, the deep treatment front pool body is a cylindrical open pool, and the ratio of the diameter to the height is 0.6-1.6; the bottom of the pool is conical, and the lowest angle is-15 to 30 degrees.
Further, the volume of the advanced treatment foretank body ensures that the incoming water stays for 0.5 hour.
Further, the rotating speed of a stirring paddle of the forebay stirrer is 65r/min, and the stirring paddle is used for mixing and lifting.
Furthermore, the dosing point of the lime dosing pipe of the advanced treatment forebay is positioned outside the guide cylinder and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide cylinder, and is used for removing the temporary hardness in water and replacing the hardness of magnesium; the feeding point of the magnesium agent feeding pipe of the advanced treatment forebay is positioned outside the guide shell and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide shell, and is used for reducing the silicon content in water.
Furthermore, an overflow weir is arranged at the top of the advanced treatment forebay and used for collecting produced water, and the produced water of the overflow weir is connected with a water production pipe.
Further, the tank wall of the advanced treatment clarification tank body is a cylindrical open tank, and the ratio of the diameter to the height is 1-2; the bottom of the pool is conical, and the lowest angle is 8-15 degrees.
Further, the volume of the advanced treatment clarifier body ensures that the incoming water stays for 2 hours.
Furthermore, the rotating speed of a stirring paddle of the clarifier agitator is 10-15r/min, and the stirring paddle is used for mixing and lifting.
Furthermore, the dosing point of the coagulant dosing pipe of the advanced treatment clarification tank is positioned on the inner side of the guide cylinder and is positioned between the elevations of +/-0.5 m of the middle position of the straight section of the guide cylinder and used for coagulating colloid particles in water; the sodium carbonate dosing pipe dosing point of the advanced treatment clarification tank is positioned outside the guide shell and between the +/-0.5 m elevation of the middle position of the straight section of the guide shell, and is used for removing water hardness forever.
After the structure is adopted, the utility model discloses beneficial effect as follows: the utility model provides a composite set that is used for coal chemical industry waste water degree of depth to soften desiliconization utilizes advanced treatment forebay, advanced treatment clarification tank, and the advanced treatment forebay is connected with the advanced treatment clarification tank, and waste water at first gets into the advanced treatment forebay, through throwing lime, magnesium agent, after mixing the reaction with waste water, gets into the advanced treatment clarification tank to throw sodium carbonate, coagulant aid, and realize solid-liquid separation. After the advanced treatment is carried out through the combined device, the hardness in the coal chemical wastewater can be removed, organic matters are effectively removed, silicon contained in the wastewater is reduced, and the scaling risk of a subsequent membrane concentration system is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall structure of the combined device for deep softening and silicon removal of wastewater in coal chemical industry.
In the drawings: 1. advanced treatment forebay, 2, advanced treatment clarifier, 3, clarifier inlet pipe, 4, forebay agitator, 5, mixing drum, 6, forebay mud pipe, 7, forebay inlet pipe, 8, forebay mud bucket, 9, lime dosing pipe, 10, magnesium agent dosing pipe, 11, clarifier agitator, 12, mud scraper, 13, mixing chamber, 14, clarifier reaction chamber, 15, mud bucket, 16, clarifier mud pipe, 17, coagulant dosing pipe, 18, sodium carbonate dosing pipe, 19, water production pipe, 20, overflow weir.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, a combination device for deep softening and desilicification of coal chemical wastewater comprises a deep treatment front pool 1 and a deep treatment clarification pool 2, wherein the deep treatment front pool 1 is connected with the deep treatment clarification pool 2 through a clarification pool water inlet pipe 3, the deep treatment front pool 1 is provided with a front pool stirrer 4, a mixing cylinder 5, a front pool sludge discharge pipe 6, a front pool water inlet pipe 7, a front pool sludge hopper 158, a lime feeding pipe 9 and a magnesium agent feeding pipe 10, the mixing cylinder 5 is arranged at the center of the deep treatment front pool 1, the mixing cylinder 5 and the front pool are coaxially arranged, the front pool stirrer 4 is arranged at a central shaft in the mixing cylinder 5, the front pool is connected with a water inlet pipe for feeding water into the deep treatment front pool 1, the bottom of the deep treatment front pool 1 is connected with the front pool sludge hopper 158, the front pool sludge discharge pipe 158 is connected with the front pool sludge discharge pipe 6, and the deep treatment front pool 1 is connected with the lime feeding pipe 9 and the magnesium agent feeding pipe 10;
wherein, the body of the advanced treatment front pool 1 is a cylindrical open pool, and the ratio of the diameter to the height is between 0.6 and 1.6; the bottom of the pool is conical, and the lowest angle is-15-30 degrees; the volume of the body of the advanced treatment forebay 1 ensures that the incoming water stays for 0.5 hour; the rotating speed of a stirring paddle of the forebay stirrer 4 is 65r/min, and the stirring paddle is used for mixing and lifting; the lime dosing pipe 9 dosing point of the advanced treatment forebay 1 is positioned outside the guide shell and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide shell and is used for removing the temporary hardness in water and replacing the hardness of magnesium; the magnesium agent feeding pipe 10 of the advanced treatment forebay 1 is positioned at the outer side of the guide shell and positioned between the elevations of plus or minus 0.5m of the middle position of the straight section of the guide shell and is used for reducing the silicon content in water; the top of the advanced treatment forebay 1 is provided with an overflow weir 20 for collecting produced water, and the produced water of the overflow weir 20 is connected with a water production pipe 19.
As shown in figure 1, the advanced treatment clarification tank 2 is provided with a clarification tank stirrer 11, a mud scraper 12, a mixing chamber 13, a clarification tank reaction chamber 14, a mud bucket 15, a clarification tank mud discharge pipe 16, a coagulant dosing pipe 17, a sodium carbonate dosing pipe 18 and a water production pipe 19, the center of the advanced treatment clarification tank 2 is provided with the mixing chamber 13, the mixing chamber 13 is coaxial with the advanced treatment clarification tank 2, the reaction chamber is arranged on the outer side of the advanced treatment clarification tank 2 which is coaxial with the mixing chamber 13, the outer side of the reaction chamber of the advanced treatment clarification tank 2 is a clear water area, the clarification tank stirrer 11 is arranged on the center shaft of the mixing chamber 13, the rotating shaft of the mud scraper 12 penetrates through the mixing chamber 13 along the center shaft of the mixing chamber 13, the rotating shaft of the mud scraper 12 is connected with a mud scraping component, the mud scraping component is arranged on the lower part of the advanced treatment clarification tank 2, the bottom of the advanced treatment clarification tank 2 is connected with the mud bucket 15, the clarification tank mud bucket 15 is connected with the clarification tank mud discharge pipe 16, the advanced treatment clarification tank 2 is connected with the water production pipe 19, and the coagulant dosing pipe 17 and the sodium carbonate dosing pipe 18 are connected with the advanced treatment clarification tank 2.
Wherein, the tank wall of the body of the advanced treatment clarification tank 2 is a cylindrical open tank, and the ratio of the diameter to the height is 1-2; the bottom of the tank is conical, and the lowest angle is 8-15 degrees; the volume of the body of the advanced treatment clarification tank 2 ensures that the incoming water stays for 2 hours; the rotating speed of a stirring paddle of the clarifier agitator 11 is 10-15r/min, and the stirring paddle is used for mixing and lifting; the coagulant adding pipe 17 of the advanced treatment clarification tank 2 is positioned at the inner side of the guide shell and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide shell and is used for coagulating colloid particles in water; the sodium carbonate dosing pipe 18 dosing point of the advanced treatment clarification tank 2 is positioned outside the guide shell and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide shell and is used for removing water hardness.
When the advanced treatment device is used specifically, the combined device utilizes the advanced treatment front tank 1 and the advanced treatment clarification tank 2, the advanced treatment front tank 1 is connected with the advanced treatment clarification tank 2, wastewater firstly enters the advanced treatment front tank 1, is mixed and reacted with the wastewater through adding lime and magnesium agents, then enters the advanced treatment clarification tank 2, is added with sodium carbonate, a coagulant and a coagulant aid, and realizes solid-liquid separation. After the advanced treatment by the combined device, the hardness in the coal chemical wastewater can be removed, and 50-70% of organic matters can be removed. The silicon content in the wastewater can be reduced to 5mg/L. Thereby reducing the risk of fouling of the subsequent membrane concentration system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a composite set that is used for coal chemical industry waste water degree of depth to soften except that silicon which characterized in that: the advanced treatment pre-tank is connected with the advanced treatment clarification tank through a clarification tank water inlet pipe, the advanced treatment pre-tank is provided with a pre-tank stirrer, a mixing cylinder, a pre-tank mud pipe, a pre-tank water inlet pipe, a pre-tank mud bucket, a lime dosing pipe and a magnesium agent dosing pipe, the mixing cylinder is arranged at the center of the advanced treatment pre-tank and is coaxially arranged with the pre-tank, the pre-tank stirrer is arranged at the central shaft in the mixing cylinder, the pre-tank is connected with a water inlet pipe for feeding water into the advanced treatment pre-tank, the bottom of the advanced treatment pre-tank is connected with the pre-tank mud bucket, the pre-tank mud bucket is connected with the pre-tank mud pipe, and the advanced treatment pre-tank is connected with the lime dosing pipe and the magnesium agent dosing pipe;
the advanced treatment clarification tank is equipped with the clarifier agitator, scrapes mud machine, mixing chamber, clarification tank reaction chamber, bagger, clarification tank mud pipe, coagulant dosing pipe, sodium carbonate dosing pipe and produce the water pipe, center department is equipped with the mixing chamber in the advanced treatment clarification tank, the mixing chamber is coaxial with the advanced treatment clarification tank, set up the reaction chamber with the coaxial outside of mixing chamber in the advanced treatment clarification tank, the outside of reaction chamber is clear water district in the advanced treatment clarification tank, the center pin department of mixing chamber is located to the clarification tank agitator, the rotation axis of mud machine runs through the mixing chamber along the center pin of mixing chamber, the rotation axis of mud machine is connected with scrapes the mud subassembly, it locates the lower part in the advanced treatment clarification tank to scrape the mud subassembly, the bottom of advanced treatment clarification tank is connected with the clarification tank mud bucket, the advanced treatment clarification tank is connected with the mud pipe, the advanced treatment clarification tank is connected with the production water pipe, the advanced treatment clarification tank leads to being connected with coagulant dosing pipe and adds the pencil.
2. The combined device for deeply softening and removing silicon in coal chemical industry wastewater according to claim 1 is characterized in that: the deep treatment front pool body is a cylindrical open pool, and the ratio of the diameter to the height is 0.6-1.6; the bottom of the pool is conical, and the lowest angle is-15-30 degrees.
3. The combined device for deeply softening and removing silicon in coal chemical industry wastewater according to claim 1 is characterized in that: the volume of the advanced treatment forebay body ensures that the incoming water stays for 0.5 hour.
4. The combined device for deeply softening and removing silicon in coal chemical industry wastewater as claimed in claim 1, wherein: the rotating speed of a stirring paddle of the forebay stirrer is 65r/min.
5. The combined device for deeply softening and removing silicon in coal chemical industry wastewater according to claim 1 is characterized in that: the dosing point of the lime dosing pipe of the advanced treatment forebay is positioned outside the guide shell and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide shell;
the feeding point of the magnesium agent feeding pipe of the advanced treatment forebay is positioned outside the guide shell and between the plus or minus 0.5m elevation of the middle position of the straight section of the guide shell.
6. The combined device for deeply softening and removing silicon in coal chemical industry wastewater according to claim 1 is characterized in that: and the top of the advanced treatment forebay is provided with an overflow weir, and water produced by the overflow weir is connected with a water production pipe.
7. The combined device for deeply softening and removing silicon in coal chemical industry wastewater as claimed in claim 1, wherein: the tank wall of the advanced treatment clarification tank body is a cylindrical open tank, and the ratio of the diameter to the height is 1-2; the bottom of the pool is conical, and the lowest angle is 8-15 degrees.
8. The combined device for deeply softening and removing silicon in coal chemical industry wastewater according to claim 1 is characterized in that: the volume of the advanced treatment clarification tank body ensures that the incoming water stays for 2 hours.
9. The combined device for deeply softening and removing silicon in coal chemical industry wastewater as claimed in claim 1, wherein: the rotating speed of a stirring paddle of the clarifier agitator is 10-15r/min.
10. The combined device for deeply softening and removing silicon in coal chemical industry wastewater according to claim 1 is characterized in that: the dosing point of the coagulant dosing pipe of the advanced treatment clarification tank is positioned at the inner side of the guide cylinder and is positioned between the elevation of +/-0.5 m of the middle position of the straight section of the guide cylinder;
the sodium carbonate dosing pipe dosing point of the advanced treatment clarification tank is positioned outside the guide cylinder and between the elevation of +/-0.5 m of the middle position of the straight section of the guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221635109.9U CN217535680U (en) | 2022-06-27 | 2022-06-27 | Combined device for deeply softening and removing silicon in coal chemical wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221635109.9U CN217535680U (en) | 2022-06-27 | 2022-06-27 | Combined device for deeply softening and removing silicon in coal chemical wastewater |
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| Publication Number | Publication Date |
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| CN217535680U true CN217535680U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221635109.9U Active CN217535680U (en) | 2022-06-27 | 2022-06-27 | Combined device for deeply softening and removing silicon in coal chemical wastewater |
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| CN (1) | CN217535680U (en) |
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Denomination of utility model: A combined device for deep softening and silicon removal of coal chemical wastewater Effective date of registration: 20230901 Granted publication date: 20221004 Pledgee: China Construction Bank Corporation Chengdu hi tech sub branch Pledgor: CHENGDU SHUKE TECHNOLOGY Co.,Ltd. Registration number: Y2023510000207 |