CN217947817U - Nano plane membrane wastewater treatment system - Google Patents
Nano plane membrane wastewater treatment system Download PDFInfo
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- CN217947817U CN217947817U CN202221074550.4U CN202221074550U CN217947817U CN 217947817 U CN217947817 U CN 217947817U CN 202221074550 U CN202221074550 U CN 202221074550U CN 217947817 U CN217947817 U CN 217947817U
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Abstract
The invention discloses a nano plane membrane wastewater treatment system, which comprises a wastewater collection box, a flocculation reaction box, a sedimentation tank, an oxidation tank, a supercharging device, a membrane filtration device, a medicament barrel and a control system which are sequentially arranged according to a wastewater treatment sequence; the flocculation reaction box adjusts the PH value of the wastewater; the sedimentation tank flocculates the wastewater and then performs solid-liquid separation; the oxidation pond oxidizes the liquid separated from the wastewater pond; the pressurizing device transmits the wastewater oxidized in the oxidation pond to the membrane filtering device; the membrane filtering device is used for filtering the wastewater; the medicament barrel is internally stored with an acidic substance, an alkaline substance, a flocculating agent and an oxidizing agent respectively. The invention can treat complex and highly difficult degradation waste water, stabilize the quality of the discharged water, prevent water body pollution, meet the waste water treatment requirements of industries such as medicine, electronics, chemical engineering, seawater, electroplating coating, mechanical manufacturing and the like, ensure the standard discharge and protect the natural environment.
Description
Technical Field
The invention belongs to the field of wastewater treatment, and particularly relates to a nano planar membrane wastewater treatment system.
Background
With the deepening of the industrial revolution, the varieties of industrial wastewater and medical wastewater in electronics, chemical industry and the like develop in the trend of diversification, complication and increment, the human water environment is more and more seriously damaged, and a plurality of natural environmental problems are associated. In order to improve the water environment and the natural environment quality, the development of a wastewater treatment machine which is simple, convenient and easy to operate is more and more urgently needed from the source, the requirements of various small industrial and mining, medicines, enterprises and public institutions are met, the timely treatment of self-produced wastewater is realized, and the safety of the living environment of people is guaranteed.
The waste water treating system based on NPMF nano planar membrane filter has no effective and feasible system solution or relevant scheme, unstable operation and imperfect technological process.
Disclosure of Invention
In order to solve the technical problem, the method adopts the technical scheme that:
the embodiment of the invention provides a wastewater treatment system with a nano planar membrane, which comprises a wastewater collection box, a flocculation reaction box, a sedimentation tank, an oxidation tank, a supercharging device, a membrane filtration device, a medicament barrel and a control system, wherein the wastewater collection box, the flocculation reaction box, the sedimentation tank, the oxidation tank, the supercharging device, the membrane filtration device, the medicament barrel and the control system are sequentially arranged according to a wastewater treatment sequence; the flocculation reaction box adjusts the PH value of the wastewater; the sedimentation tank flocculates the wastewater and then performs solid-liquid separation; the oxidation pond oxidizes the liquid separated by the sedimentation pond; the pressurizing device transmits the wastewater oxidized in the oxidation pond to the membrane filtering device; the membrane filtration device filters the wastewater; the medicament barrel is internally stored with an acidic substance, an alkaline substance, a flocculating agent and an oxidizing agent respectively; the flocculation reaction tank, the supercharging device, the membrane filtering device, the medicament barrel and the control system are arranged in the cabinet body; the control system is connected with the medicament barrel, and the medicament barrel is connected with the flocculation reaction box, the sedimentation tank and the oxidation tank.
Further, in the embodiment provided by the invention, a pH sensor is arranged in the flocculation reaction tank, and the pH sensor is connected with the control system.
Further, in the embodiment provided by the invention, a magnetic stirrer is arranged in the flocculation reaction tank.
Further, in the embodiment provided by the invention, a cartridge filter is arranged between the pressure boosting device and the oxidation pond.
Further, in the embodiment provided by the invention, a manual pressure regulating valve is arranged between the pressurization device and the membrane filtering device.
Further, in the embodiment provided by the invention, a flow meter is arranged between the manual pressure regulating valve and the membrane filtering device.
Further, in the embodiment provided by the invention, a protection device is arranged between the flowmeter and the membrane filtering device.
Further, in the embodiment provided by the present invention, the boosting device is a boosted water pump.
Further, in an embodiment provided by the present invention, the membrane filtration device comprises a reflux pump connected to the waste water collection tank.
Further, in an embodiment provided by the present invention, the medicament barrel comprises a peristaltic dosing pump, the peristaltic dosing pump being connected to the control system; the peristaltic dosing pump is connected with the flocculation reaction tank, the sedimentation tank and the oxidation tank.
Further, in the embodiment provided by the invention, the membrane filter device comprises a drug washing device, wherein the drug washing device is connected with the membrane filter device; the drug washing device is connected with the control system.
The invention can treat industrial waste water of medicine, electron, chemical industry and the like and waste water of laboratories of environmental supervision, disease control and the like in time, accurately, safely and efficiently; the defects of single treatment process, unstable effluent quality, incapability of continuously reaching the standard and the like of common wastewater treatment equipment in the existing market in the current practical application are overcome, the wastewater process can be freely selected and combined, multiple processes are used for treating complex and highly-difficult degraded wastewater, the quality of the discharged water is stabilized, the water pollution is prevented, the wastewater treatment requirements of industries such as medicine, electronics, chemical industry, seawater, electroplating coating, mechanical manufacturing and the like are met, the standard discharge is ensured, and the natural environment is protected.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a left side perspective view of the embodiment of the present invention.
Fig. 2 is a front view structural diagram of the embodiment of the invention.
Fig. 3 is a left side view structural diagram of the embodiment of the invention.
Fig. 4 is a right side view structural diagram of the embodiment of the invention.
Fig. 5 is a right side perspective view of the embodiment of the present invention.
FIG. 6 is a process flow diagram of an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, an embodiment of the present invention provides a wastewater treatment system with a nano-planar membrane, which includes a wastewater collection tank 1, a flocculation reaction tank 2, a sedimentation tank 3, an oxidation tank 4, a pressurization device 15, a membrane filtration device 7, a chemical tank 5, and a control system 9, which are sequentially arranged in a wastewater treatment order; the flocculation reaction tank 2 is used for adjusting the PH of the wastewater; the sedimentation tank 3 flocculates the wastewater and then performs solid-liquid separation; the oxidation pond 4 oxidizes the liquid separated from the wastewater pond; the pressurizing device 15 transmits the wastewater oxidized in the oxidation pond to the membrane filtering device 7; the membrane filtering device 7 filters the wastewater; an acidic substance, an alkaline substance, a flocculating agent and an oxidizing agent are respectively stored in the medicament barrel 5;
wherein the flocculation reaction tank 2, the supercharging device 15, the membrane filtering device 7, the medicament barrel 5 and the control system 9 are arranged in the cabinet body; the upper left part is provided with a flocculation reaction box, the upper right part is provided with a control system, the lower part is provided with a medicament barrel, and the membrane filtering device is horizontally arranged in the rear space of the cabinet body.
The medicament barrels 5 are arranged and grouped in a split manner in the lower part space of the cabinet body, so that the replacement and the dosing are convenient.
The control system 9 with the medicament bucket 5 is connected, the medicament bucket with 5 flocculation reaction case 2, sedimentation tank 3, oxidation pond 4 are connected.
Further, the oxidation pond 4 is provided with a ball float valve 19 and a liquid level sensor 20 for detecting the height of the water level.
Further, in the embodiment provided by the present invention, a PH sensor 8 is disposed in the flocculation reaction tank 2, and the PH sensor 8 is connected to the control system 9; the PH sensor is used for detecting the pH value of the wastewater and feeding the pH value back to the control system, and the control system adds acidic substances or alkaline substances into the wastewater by controlling the peristaltic dosing pump in the medicament barrel so as to control the PH value of the wastewater within a parameter setting range.
Further, in the embodiment provided by the present invention, a magnetic stirrer 10 is disposed in the flocculation reaction tank 2, and the control system 9 controls the peristaltic dosing pump 17 in the chemical tank 5 to add a flocculant to the wastewater after PH adjustment, so that the wastewater can be flocculated quickly.
Further, in the embodiment provided by the invention, a liquid level sensor is further arranged in the flocculation reaction tank 2 and used for detecting the liquid level.
Further, in the embodiment provided by the invention, a cartridge filter 11 is arranged between the pressure boosting device 15 and the oxidation pond 4, so that the membrane elements in the membrane filtering device are prevented from being damaged by impurities in the wastewater.
Further, in the embodiment provided by the invention, the manual pressure regulating valve 12 is arranged between the pressurizing device 15 and the membrane filtering device 7, so that when the water pressure provided by the pressurizing device is insufficient, the water pressure can be further increased.
Further, in the embodiment provided by the present invention, a flow meter 13 is disposed between the manual pressure regulating valve 12 and the membrane filtering device 7 for detecting the water pressure.
Further, in the embodiment provided by the invention, a protective device 14 is arranged between the flowmeter 13 and the membrane filtering device 7, so that the membrane element in the membrane filtering device is prevented from being damaged due to excessive water pressure in an accidental situation.
Further, in the embodiment provided by the present invention, the pressure increasing device 15 is a pressure increasing water pump.
The control system sets parameters according to the process, intelligently controls the opening or closing of the peristaltic dosing pump and the booster water pump in a real-time linkage manner, and ensures the stable operation of the security filter and the booster water pump.
Namely, in order to achieve the best osmotic filtration effect, the water pressure of the wastewater subjected to membrane pretreatment is increased to be more than 0.2-0.3Mpa after the wastewater is pressurized by a booster water pump, and the water outlet flow of a single membrane element is 50-100L/Hr.
The protection device protection film element that membrane filter equipment anterior segment was furnished with operates at reasonable water pressure within range. If the water inlet pressure is too high, or the water outlet flow is too low, and the concentrated water pressure is too high, so that the nano plane membrane element cannot normally operate, the protection device is started to ensure the membrane device element.
Further, in the embodiment provided by the present invention, the membrane filtration device 7 includes a reflux pump 16, and the reflux pump 16 is connected to the wastewater collection tank 1, and is used for refluxing the high-concentration wastewater generated after the membrane filtration device is treated to the wastewater collection tank.
Further, in the embodiment provided by the present invention, the medicament cartridge 5 comprises a peristaltic dosing pump 17, which is connected to the control system; the peristaltic dosing pump is connected with the flocculation reaction tank, the sedimentation tank and the oxidation tank.
Further, in the embodiment provided by the invention, the membrane filtration device is provided with a drug washing device 18, the drug washing device 18 is connected with the membrane filtration device 7, the drug washing device is connected with the control system, and the drug washing device regularly washes the membrane filtration device through the control system, so that the corrosion and blockage of the membrane filtration device caused by long-time cleaning are avoided.
Further, in the embodiment provided by the present invention, after the membrane filtration device 7 finishes filtering, the filtered liquid is sampled and detected through the sampling port 21, and when the detection result is qualified, the filtered liquid can be directly discharged, otherwise, the filtered liquid is discharged to the wastewater collection tank for re-treatment.
As shown in fig. 6, the process flow of the present invention is: experimental wastewater collection tank → primary filtration → micro-electrolysis (Tsu/electric flocculation/electrocatalysis) → organic solvent separation → PH adjustment 8-9 → flocculation polymerization reaction → heavy metal capture → precipitation → oxidation (→ ozone oxidation) → NPMF membrane filtration (SMBR biofilm) → Tsu water quality detection → up-to-standard discharge.
Wherein, the marked symbol is an alternative process, and whether the process is used or not is selected according to the actual situation.
Further, in the embodiment provided by the invention, the control system adopts a programmable frequency converter to control the starting and stopping of the booster pump, the processing speed can be dynamically adjusted, and the control system has the functions of alarm notification and abnormal shutdown. (Booster pump)
Further, in the embodiment provided by the invention, the shell of the pH sensor is resistant to strong acid, strong base and organic solvent, the protection grade is IP68, the pH sensor can be directly put into wastewater/waste liquid for use, and the use environment temperature is 0-80 ℃. (PH regulation in flocculation reaction box)
Further, in the embodiment provided by the invention, the digital sensor has a PDI enhanced adaptive adjustment algorithm, has 485 communication and 4-20mA analog quantity output functions, can directly output a digital model without conversion, and can directly perform parameter setting, online calibration and calibration on the sensor. (PLC human-computer interface)
Further, in the embodiment provided by the invention, the control system controls the flocculation precipitation reaction, has the functions of stirring, variable frequency regulation and the like, can automatically complete the addition of a flocculating agent, polymerization reaction, precipitation and precipitate filtration, and has the characteristics of high treatment degree, rapid reaction and stable effluent. (flocculation reaction box)
Furthermore, in the embodiment provided by the invention, a special heavy metal capturing device is configured, and the SewageARK TMT heavy metal capturing technology is adopted, so that more than 70 common heavy metals in the wastewater can be automatically and efficiently removed, the concentration is suitable for direct treatment within 0-100mg/L, and dilution is not needed. The removal is thorough, and the detection can reach trace level even lower than detection limit by ICP, AA and AAS instruments. (Metal catching Process in flocculation reaction tank)
Further, in the embodiment provided by the invention, the primary filtering device ensures that no solid particles larger than 0.5mm exist in the system inlet water; the safe and stable operation of the pressurizing device is guaranteed, and the filtering device is quick-open and convenient to maintain. (wastewater enters the wastewater machine from the water tank and the pipeline is provided with a primary filtering device)
Further, in the embodiment provided by the invention, a full-automatic advanced oxidation device is configured, and a Quick ARK PMPS advanced oxidation and Quick ARK PCOD degradation technology is adopted. The oxidative decomposition of inorganic pollutants can be completed within 3-5 minutes. The oxidation device does not contain chloride ions, does not need dechlorination treatment, and is environment-friendly and safe. (Oxidation box)
Further, in the embodiment provided by the invention, a PH neutralization pre-regulation reaction device is configured, the water quality is monitored on line through a sensor, and corresponding agents are added according to needs to complete the control of the pH value of the water quality. (flocculation reaction tank)
Further, in the embodiment provided by the invention, the wastewater collection tank is provided with an aeration device, and the rapid decomposition work of the organic wastewater is completed under the continuous action of the small-flow aeration system. (wastewater collection tank)
Furthermore, in the embodiment provided by the invention, the system reactor is made of an anti-corrosion material, and is seamless in welding, surface spraying treatment, strong acid and alkali resistance and organic solvent resistance, and can bear pressure of more than 6 kilograms. (case Material)
Further, in the embodiment provided by the invention, the pipeline of the dosing system is made of fluororubber, strong acid and strong base resistance and organic solvent resistance, and the outlet pressure is 0-3kg. (drug adding tube)
Furthermore, in the embodiment provided by the invention, an NPMF nano planar membrane filtering device is configured to ensure the continuous and stable operation of the effluent index of the system. (Membrane filtration device)
Particularly, the membrane filtering device mainly comprises a membrane element, a pressure instrument, a pipeline, a valve, a gas-liquid backwashing pump set, a chemical washing tank and the like; and (3) regular flushing: after normal operation is carried out for 30 minutes, the control system automatically opens the gas backwashing device and the electric valve at the concentrated water side to flush the concentrated water side of the membrane assembly; after washing for several minutes, the electric valve is closed and the system works normally. (Membrane unit)
Manual pressure control valve and protection device are installed in booster pump exit, and when pump inlet pressure was less than 0.05Mpa, manual pressure control valve and low pressure switch action made equipment stop work, guaranteed the safety of waste water import booster pump, and protection device is installed to high pressure water pump outlet department, and when outlet pressure was higher than 2.0Mpa, protection device action made equipment stop work, guaranteed the safety of high pressure water pump, NPMF film element and membrane shell. (after oxidation, the wastewater enters the pipeline before the membrane device)
Furthermore, in the embodiment provided by the invention, the equipment adopts an integrated and modular design, and has a compact structure and small occupied area; all related system components are in quick-opening loose joint connection, so that the maintenance and the overhaul are convenient.
While embodiments of the invention have been disclosed above, it is not intended that they be limited to the applications set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (10)
1. The nano planar membrane wastewater treatment system is characterized by comprising a wastewater collection box, a flocculation reaction box, a sedimentation tank, an oxidation tank, a supercharging device, a membrane filtering device, a medicament barrel and a control system which are sequentially arranged according to a wastewater treatment sequence;
the flocculation reaction box adjusts the PH value of the wastewater; the sedimentation tank flocculates the wastewater and then performs solid-liquid separation; the oxidation pond oxidizes the liquid separated by the sedimentation pond; the pressurizing device transmits the wastewater oxidized by the oxidation pond to the membrane filtering device; the membrane filtering device is used for filtering the wastewater; acidic substances, alkaline substances, flocculating agents and oxidizing agents are stored in the medicament barrel respectively;
the flocculation reaction tank, the supercharging device, the membrane filtering device, the medicament barrel and the control system are arranged in the cabinet body; the control system is connected with the medicament barrel, and the medicament barrel is connected with the flocculation reaction box, the sedimentation tank and the oxidation pond.
2. The wastewater treatment system of claim 1, wherein a PH sensor is disposed in the flocculation reaction tank, and the PH sensor is connected to the control system.
3. The wastewater treatment system of claim 2, wherein a magnetic stirrer is arranged in the flocculation reaction tank.
4. The nanoplanar membrane wastewater treatment system as defined in claim 1 wherein a cartridge filter is provided between said pressurizing means and said oxidation pond.
5. The nanoplanar membrane wastewater treatment system as defined in claim 4 wherein a manual pressure regulating valve is provided between said pressurizing means and said membrane filtration means.
6. The nanoplanar membrane wastewater treatment system of claim 5, wherein a flow meter is provided between said manual pressure regulating valve and said membrane filtration device.
7. The nanoplanar membrane wastewater treatment system of claim 6, wherein a protector is placed between said flow meter and said membrane filtration device.
8. The nanoplane membrane wastewater treatment system of claim 1, wherein the membrane filtration device comprises a backwash pump connected to the wastewater collection tank.
9. The nanoplanar membrane wastewater treatment system as defined in claim 1 wherein said drug tank comprises a peristaltic dosing pump connected to said control system; the peristaltic dosing pump is connected with the flocculation reaction box, the sedimentation tank and the oxidation tank.
10. The nanoplanar membrane wastewater treatment system as claimed in claim 1, comprising a drug washing device connected to said membrane filtration device;
the drug washing device is connected with the control system.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550698A (en) * | 2024-01-09 | 2024-02-13 | 国能龙源环保有限公司 | Waste water treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117550698A (en) * | 2024-01-09 | 2024-02-13 | 国能龙源环保有限公司 | Waste water treatment equipment |
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