CN111925003A - Guarantee treatment system for extracting NMP (N-methyl pyrrolidone) in carbon nano tube slurry production wastewater - Google Patents
Guarantee treatment system for extracting NMP (N-methyl pyrrolidone) in carbon nano tube slurry production wastewater Download PDFInfo
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- CN111925003A CN111925003A CN202010686981.5A CN202010686981A CN111925003A CN 111925003 A CN111925003 A CN 111925003A CN 202010686981 A CN202010686981 A CN 202010686981A CN 111925003 A CN111925003 A CN 111925003A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/20—Total organic carbon [TOC]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/06—Pressure conditions
- C02F2301/066—Overpressure, high pressure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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Abstract
The invention relates to a guarantee treatment system for extracting NMP (N-methyl pyrrolidone) in carbon nanotube slurry production wastewater, which comprises a final sedimentation tank, a discharge monitoring tank, a booster pump, a multi-media filter, an activated carbon filter and a sludge tank, wherein the final sedimentation tank is used for collecting NMP; the final sedimentation tank is used for putting a coagulant and a coagulant aid and carrying out sedimentation treatment on the sewage; the bottom of one side of the final sedimentation tank is connected with the sludge tank, and the top of one side of the final sedimentation tank is connected with the discharge monitoring tank; the discharge monitoring pool is used for monitoring the water quality, and liquid in the discharge monitoring pool is lifted to the multi-media filter through the booster pump; the multi-media filter is used for removing suspended impurities in the sewage to clarify the water; liquid discharged by the multi-medium filter is lifted to an active carbon filter by a booster pump; the activated carbon filter is used for adsorbing small molecular organic matters in sewage. The invention has simple structure and convenient use, and is beneficial to green production of enterprises.
Description
Technical Field
The invention belongs to the technical field of wastewater treatment, and particularly relates to a guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater.
Background
A large amount of comprehensive chemical organic wastewater is discharged every day by general chemical enterprises, such as absorption tower wastewater, workshop flushing wastewater, wastewater during tests and the like, and some of the wastewater is discharged from high-temperature production equipment, so that cooling treatment is required before treatment, otherwise, the activity of microorganisms in a biochemical pool is influenced, and a small amount of factory domestic wastewater exists. The main pollution factors of the comprehensive chemical wastewater are CODER and ammonia nitrogen, the characteristic pollutant components are mainly high molecular organic compounds such as an organic solvent NMP and the like, and the wastewater reaches the pipe connecting standard of a sewage treatment plant after being treated.
After the wastewater is subjected to a combined process of Fenton cracking, electrocatalytic oxidation and coagulating sedimentation, the ring is opened and the chain is broken, high molecular organic compounds in the wastewater are degraded, the biotoxicity in the wastewater is eliminated, and then a guarantee treatment system is required to be arranged for ensuring that the quality of the discharged water reaches the discharge standard, so that the biochemical treatment effluent is subjected to advanced treatment. At present, no complete set of guarantee treatment system exists in the market, so that the development of an efficient sewage guarantee treatment system is more and more concerned by people.
Disclosure of Invention
Aiming at the problems, the invention discloses a guarantee treatment system for extracting NMP from carbon nano tube slurry production wastewater.
The specific technical scheme is as follows:
a guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater comprises a final sedimentation tank, a discharge monitoring tank, a booster pump, a multi-media filter, an activated carbon filter and a sludge tank;
the final sedimentation tank is used for putting a coagulant and a coagulant aid and carrying out sedimentation treatment on the sewage; the bottom of one side of the final sedimentation tank is connected with the sludge tank, and the top of one side of the final sedimentation tank is connected with the discharge monitoring tank;
the discharge monitoring pool is used for monitoring water quality, and liquid in the discharge monitoring pool is lifted to the multi-media filter through the booster pump;
the multi-media filter is used for removing suspended impurities in the sewage to clarify the water; liquid discharged by the multi-medium filter is lifted to the activated carbon filter through the booster pump;
the activated carbon filter is used for adsorbing small molecular organic matters in sewage.
Further, the final sedimentation tank comprises a mixing chamber and a sedimentation chamber, the top of one side of the mixing chamber is connected with an input pipe, the upper end of the mixing chamber is fixedly provided with a metering pump through a fixed support, and the inner wall of one side of the mixing chamber is provided with a mixing structure;
a plurality of honeycomb inclined pipes are arranged in the settling chamber; a supernatant outlet is formed in the top of one side of the settling cavity, an electromagnetic valve is arranged on the supernatant outlet, a sludge outlet is formed in the bottom of one side of the settling cavity, and an electromagnetic valve is arranged on the sludge outlet;
a plurality of flow channels are arranged between the mixing cavity and the sedimentation cavity, and switch valves are arranged in the flow channels.
Further, the mixing structure comprises a mixing disc, a mixing frame, a rotating shaft, a motor and a motor bracket; the motor passes through the motor support setting and is in the mixing chamber is outside, the motor is connected to rotation axis one end, and the other end runs through the lateral wall of mixing chamber stretch into to the mixing chamber is inside with the hybrid disc is connected, evenly set up a plurality of mixing frame on hybrid disc one side.
Furthermore, an inlet is formed in the top of the multi-media filter, an outlet is formed in one side of the bottom of the multi-media filter, and a quartz sand filter and a manganese sand filter layer are arranged on one side of the inside of the multi-media filter from top to bottom.
Furthermore, a back washing port is arranged on one side of the bottom of the multi-media filter.
Furthermore, the top of the activated carbon filter is provided with an inlet, one side of the bottom of the activated carbon filter is provided with an outlet, and a carbon bed and a coarse quartz sand cushion layer are arranged on one side of the inside of the activated carbon filter from top to bottom.
Furthermore, a back washing port is arranged on one side of the bottom of the activated carbon filter.
The invention has the beneficial effects that:
a coagulant and a coagulant aid are added into a mixing cavity of the final sedimentation tank in a metering way; the sedimentation cavity is provided with a honeycomb inclined tube assembly. The precipitated sludge is discharged into a sludge tank by a sludge pump, and the supernatant automatically flows into a discharge monitoring tank.
The discharge monitoring pool receives the outlet water of the final sedimentation pool and also serves as a raw water pool of the filter. When the water quality of the discharge monitoring pool meets the discharge standard, directly entering the discharge pool to be discharged; when the water quality of the discharge monitoring pool does not meet the discharge requirement, the water quality is boosted by the booster pump to a multi-media filter and an activated carbon filter for further purification treatment.
The multi-medium filter can effectively remove suspended impurities to clarify water, and is used for pre-stage pretreatment of water treatment, softened water and pure water, and the turbidity of the effluent can reach below 3 ℃.
In the water quality pretreatment system of the activated carbon filter, the activated carbon filter can adsorb pollutants such as micromolecular organic matters leaked from the previous stage, and has obvious adsorption and removal effects on peculiar smell, colloid, pigment, heavy metal ions, COD (chemical oxygen demand) and the like in water. SDI <5, TOC <2.Oppm can be guaranteed. The active carbon particles in the carbon bed of the active carbon filter have very many micropores and huge specific surface area, and have very strong physical adsorption capacity. The water passes through the carbon bed, and the organic pollutants in the water are effectively adsorbed by the activated carbon. In addition, the amorphous part of the surface of the activated carbon has some oxygen-containing tube energy groups, so that the organic pollutants in the water passing through the carbon bed are effectively adsorbed by the activated carbon.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a schematic view of the final settling tank of the present invention.
FIG. 3 is a diagram of a multi-media filter of the present invention.
FIG. 4 is a schematic view of an activated carbon filter according to the present invention.
Detailed Description
In order to make the technical scheme of the invention clearer and clearer, the invention is further described with reference to the accompanying drawings, and any scheme obtained by carrying out equivalent replacement and conventional reasoning on the technical characteristics of the technical scheme of the invention falls into the protection scope of the invention. The fixing and the arrangement of the fixing and the connection are all general connection modes in the mechanical field, and the fixing and the connection can be performed by welding, bolt and nut connection and screw connection.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in the figure, the guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater comprises a final sedimentation tank 1, a discharge monitoring tank 2, a booster pump 3, a multi-media filter 4, an activated carbon filter 5 and a sludge tank 6;
the final sedimentation tank 1 is used for putting a coagulant and a coagulant aid and carrying out sedimentation treatment on sewage; the bottom of one side of the final sedimentation tank 1 is connected with the sludge tank 6, and the top of one side of the final sedimentation tank is connected with the discharge monitoring tank 2;
the discharge monitoring pool 2 is used for monitoring water quality, and liquid in the discharge monitoring pool 3 is lifted to the multi-media filter 4 through the booster pump 3;
the multi-media filter 4 is used for removing suspended impurities in the sewage to clarify the water; liquid discharged from the multi-medium filter 4 is lifted to the activated carbon filter 5 by the booster pump 3;
the activated carbon filter 5 is used for adsorbing small molecular organic matters in sewage.
Further, the final sedimentation tank 1 comprises a mixing chamber 11 and a sedimentation chamber 12, the top of one side of the mixing chamber 11 is connected with an input pipe 13, the upper end of the mixing chamber 11 is fixedly provided with a metering pump 14 through a fixed bracket 141, and the inner wall of one side of the mixing chamber 11 is provided with a mixing structure 15;
a plurality of honeycomb inclined pipes 16 are arranged in the sedimentation cavity 12; a supernatant outlet 17 is arranged at the top of one side of the settling chamber 12, an electromagnetic valve 171 is arranged on the supernatant outlet 17, a sludge outlet 18 is arranged at the bottom of one side of the settling chamber, and an electromagnetic valve 181 is arranged on the sludge outlet 18;
a plurality of flow channels 19 are arranged between the mixing cavity 11 and the settling cavity 12, and a switch valve 191 is arranged in each flow channel 19.
Further, the mixing structure 15 includes a mixing disk 151, a mixing frame 152, a rotation shaft 153, a motor 154, and a motor holder 155; the motor 154 is arranged outside the mixing chamber 11 through a motor support, one end of the rotating shaft 153 is connected with the motor 154, the other end of the rotating shaft penetrates through the side wall of the mixing chamber 11 and extends into the mixing chamber 11 and the mixing disc 151 is connected, and a plurality of mixing frames 152 are uniformly arranged on one side of the mixing disc 151.
Further, an inlet 41 is arranged at the top of the multi-medium filter 4, an outlet 42 is arranged at one side of the bottom of the multi-medium filter 4, and a quartz sand filter 43 and a manganese sand filter layer 44 are arranged at one side of the inside of the multi-medium filter 4 from top to bottom.
Further, a back washing port 45 is arranged on one side of the bottom of the multi-media filter 4.
Further, an inlet 51 is arranged at the top of the activated carbon filter 5, an outlet 52 is arranged at one side of the bottom of the activated carbon filter 5, and a carbon bed 53 and a coarse quartz sand cushion 54 are arranged at one side of the inside of the activated carbon filter 5 from top to bottom.
Further, a back washing port 55 is arranged on one side of the bottom of the activated carbon filter 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater is characterized by comprising a final sedimentation tank (1), a discharge monitoring tank (2), a booster pump (3), a multi-media filter (4), an activated carbon filter (5) and a sludge tank (6);
the final sedimentation tank (1) is used for putting a coagulant and a coagulant aid and carrying out sedimentation treatment on sewage; the bottom of one side of the final sedimentation tank (1) is connected with the sludge tank (6), and the top of one side of the final sedimentation tank is connected with the discharge monitoring tank (2);
the discharge monitoring pool (2) is used for monitoring the water quality, and liquid in the discharge monitoring pool (3) is lifted to the multi-media filter (4) through the booster pump (3);
the multi-medium filter (4) is used for removing suspended impurities in the sewage and clarifying the water; liquid discharged from the multi-medium filter (4) is lifted to the activated carbon filter (5) through the booster pump (3);
the activated carbon filter (5) is used for adsorbing small molecular organic matters in sewage.
2. The guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater according to claim 1, wherein the final sedimentation tank (1) comprises a mixing chamber (11) and a sedimentation chamber (12), the top of one side of the mixing chamber (11) is connected with an input pipe (13), a metering pump (14) is fixedly arranged at the upper end of the mixing chamber (11) through a fixing support (141), and a mixing structure (15) is arranged on the inner wall of one side of the mixing chamber (11);
a plurality of honeycomb inclined pipes (16) are arranged in the sedimentation cavity (12); a supernatant outlet (17) is formed in the top of one side of the settling cavity (12), an electromagnetic valve (171) is arranged on the supernatant outlet (17), a sludge outlet (18) is formed in the bottom of one side of the settling cavity, and an electromagnetic valve (181) is arranged on the sludge outlet (18);
a plurality of flow channels (19) are arranged between the mixing cavity (11) and the sedimentation cavity (12), and switch valves (191) are arranged in the flow channels (19).
3. The warranty treatment system for NMP extraction in carbon nanotube slurry production wastewater according to claim 2, wherein the mixing structure (15) comprises a mixing disk (151), a mixing rack (152), a rotating shaft (153), a motor (154), and a motor bracket (155); motor (154) are in through the motor support setting mixing chamber (11) outside, motor (154) is connected to rotation axis (153) one end, and the other end runs through the lateral wall of mixing chamber (11) stretch into to mixing chamber (11) inside with mixing disc (151) are connected, evenly set up a plurality of mixing frame (152) on mixing disc (151) one side.
4. The guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater according to claim 1, wherein an inlet (41) is arranged at the top of the multi-media filter (4), an outlet (42) is arranged at one side of the bottom of the multi-media filter, and a quartz sand filter (43) and a manganese sand filter layer (44) are arranged at one side of the inside of the multi-media filter (4) from top to bottom.
5. The guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater according to claim 4, wherein a back washing port (45) is arranged on one side of the bottom of the multi-media filter (4).
6. The guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater according to claim 1, wherein the activated carbon filter (5) is provided with an inlet (51) at the top and an outlet (52) at one side of the bottom, and the activated carbon filter (5) is provided with a carbon bed (53) and a coarse quartz sand cushion layer (54) at one side from top to bottom inside.
7. The guarantee treatment system for extracting NMP from carbon nanotube slurry production wastewater according to claim 6, wherein a back washing port (55) is arranged on one side of the bottom of the activated carbon filter (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686981.5A CN111925003A (en) | 2020-07-16 | 2020-07-16 | Guarantee treatment system for extracting NMP (N-methyl pyrrolidone) in carbon nano tube slurry production wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686981.5A CN111925003A (en) | 2020-07-16 | 2020-07-16 | Guarantee treatment system for extracting NMP (N-methyl pyrrolidone) in carbon nano tube slurry production wastewater |
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| CN111925003A true CN111925003A (en) | 2020-11-13 |
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| CN202010686981.5A Pending CN111925003A (en) | 2020-07-16 | 2020-07-16 | Guarantee treatment system for extracting NMP (N-methyl pyrrolidone) in carbon nano tube slurry production wastewater |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209123831U (en) * | 2018-11-06 | 2019-07-19 | 河北峰宇生物技术有限责任公司 | A kind of mixing machine for feed additive production |
| CN110894125A (en) * | 2019-09-25 | 2020-03-20 | 镇江新纳环保材料有限公司 | Sewage treatment process for recycling N-methyl pyrrolidone |
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2020
- 2020-07-16 CN CN202010686981.5A patent/CN111925003A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209123831U (en) * | 2018-11-06 | 2019-07-19 | 河北峰宇生物技术有限责任公司 | A kind of mixing machine for feed additive production |
| CN110894125A (en) * | 2019-09-25 | 2020-03-20 | 镇江新纳环保材料有限公司 | Sewage treatment process for recycling N-methyl pyrrolidone |
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