CN211999315U - Groundwater pollution repair system - Google Patents
Groundwater pollution repair system Download PDFInfo
- Publication number
- CN211999315U CN211999315U CN202020312403.0U CN202020312403U CN211999315U CN 211999315 U CN211999315 U CN 211999315U CN 202020312403 U CN202020312403 U CN 202020312403U CN 211999315 U CN211999315 U CN 211999315U
- Authority
- CN
- China
- Prior art keywords
- tank
- micro
- communicated
- electrolysis
- carbon adsorption
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of water treatment, in particular to an underground water pollution remediation system, which comprises a magnetic coagulation mechanism, a micro-electrolysis mechanism, a heterogeneous catalytic oxidation mechanism and an activated carbon adsorption mechanism; the magnetic coagulation mechanism, the micro-electrolysis mechanism, the heterogeneous catalytic oxidation mechanism and the activated carbon adsorption mechanism are communicated in sequence. The utility model discloses a repair system, with magnetism coagulation mechanism, little electrolysis mechanism, heterogeneous catalytic oxidation mechanism and active carbon adsorption mechanism connect gradually and make up the use, can reduce the COD value in the groundwater by a wide margin, the BOD value, the TP value, the TDS value, heavy metal content, the chromatic value etc., therefore, this repair system is when handling pesticide pollution groundwater, it is short to have a repair cycle, the treatment effeciency is high, no secondary pollution's advantage to the environment, current groundwater repair system when pesticide pollution groundwater is restoreed has been solved, it is not thorough to restore, repair time is longer, the limitation is big, low working efficiency, the unsatisfactory problem of repair effect.
Description
Technical Field
The utility model belongs to the technical field of the water treatment technique and specifically relates to a groundwater pollution repair system is related to.
Background
In recent years, with the adjustment of industrial structures in China and the expansion of urban scale, some pollution-type enterprises in chemical industry, metallurgy, machinery, pharmacy and the like have been or are planned to move out of urban core areas, and a large amount of original industrial land is replaced by urban construction land. In the production of the enterprises, because of chemical leakage, waste water and exhaust gas emission and random dumping and stacking of solid wastes, original site soil and underground water are polluted, which forms a potential risk for the health of future residents, and in a plurality of enterprises, pesticide enterprises move to old sites and pollute the underground water, so that the site polluted soil and the underground water need to be repaired before development and utilization.
At present, the groundwater pollution treatment technology mainly comprises the following steps: in-situ bioremediation technology, in-situ air injection technology, extraction treatment technology, chemical oxidation remediation technology and the like. The in-situ bioremediation technology is characterized in that microorganisms are used for degrading organic pollutants in underground water, secondary damage to the underground water environment is avoided, the remediation period is long, and the in-situ bioremediation technology is only suitable for underground water polluted by VOCs (volatile organic compounds), SVOCs (volatile organic compounds) and fuels; the in-situ air injection technology is characterized in that air is injected into a polluted saturated layer, the injected air is diffused in the transverse direction and the vertical direction through a micro channel in soil, pollutants are blown out of underground water through volatilization, and the in-situ air injection technology is only suitable for the underground water with target pollutants of VOCs and fuel; the extraction treatment technology is the most common heterotopic treatment technology, in the treatment process, a water pump is adopted to extract polluted underground water from a water storage layer, then the polluted underground water is treated and purified on the ground, so that pollutants dissolved in the water can be removed, the technology is wide in application range and also suitable for polluted sites with large pollution range and deep pollution corona and burial, however, the extraction treatment technology has more combined processes, each process is different, and the application fields are different.
The technology for groundwater remediation in China is relatively lagged behind, and particularly, the technology is still in the initial stage for groundwater remediation mainly containing organic pesticides as pollutants. Therefore, the development of a simple and effective pesticide-polluted groundwater remediation system based on an extraction treatment technology becomes a technical problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an groundwater pollution repair system aims at solving current groundwater repair system and when pesticide pollutes groundwater and restores, restores not thoroughly, the longer problem of repair time.
The utility model provides an underground water pollution remediation system, which comprises a magnetic coagulation mechanism, a micro-electrolysis mechanism, a heterogeneous catalytic oxidation mechanism and an activated carbon adsorption mechanism; the magnetic coagulation mechanism, the micro-electrolysis mechanism, the heterogeneous catalytic oxidation mechanism and the activated carbon adsorption mechanism are communicated in sequence.
In the groundwater pollution remediation system, the magnetic coagulation mechanism, the micro-electrolysis mechanism, the heterogeneous catalytic oxidation mechanism and the activated carbon adsorption mechanism are sequentially communicated, when the mechanism is used for treating pesticide-polluted groundwater, firstly, the groundwater is placed in the magnetic coagulation mechanism, and pollutants and magnetic seeds are coagulated into magnetic flocculates through the micro-magnetic coagulation effect of the magnetic seeds, a coagulant and pollutants in water, so that the purpose of purifying water quality is achieved; the water body treated by the magnetic coagulation mechanism enters the micro-electrolysis mechanism from the magnetic coagulation mechanism, and the water body generates electrochemical oxidation-reduction reaction in the micro-electrolysis mechanism to cause the macromolecular organic matters to generate open loops and broken chains, so that the chromaticity and COD value of the water body are reduced by physical chemical adsorption and flocculation precipitation; then, the water body is placed in a heterogeneous catalytic oxidation mechanism, pollutants in water are further removed through catalytic oxidation reaction, finally, pollutants such as micro-molecular organic matters and heavy metals which are not completely oxidized in a micro-electrolysis mechanism and the heterogeneous catalytic oxidation mechanism are removed through an activated carbon adsorption mechanism, and the groundwater pollution remediation system can greatly reduce COD (chemical oxygen demand), BOD (biochemical oxygen demand), TP (total phosphorus), TDS (total dissolved solids), heavy metal content, chromatic value and the like in groundwater.
Further, the magnetic coagulation mechanism comprises a suction pump, a regulation and storage tank, a coagulation reaction box and a supermagnetic separator; the extraction pump, the storage tank, the coagulation reaction box and the supermagnetic separator are communicated in sequence; the supermagnetic separator is communicated with the micro-electrolysis mechanism.
The magnetic coagulation mechanism comprises a pump, a storage tank, a coagulation reaction box and a supermagnetic separator, pesticide-polluted underground water is conveyed to the storage tank through the pump, the storage tank can temporarily store the pesticide-polluted underground water and can simultaneously equalize the water quality and water quantity, so that the subsequent treatment mechanism can stably feed water to prevent abnormal operation of each mechanism caused by water quality concentration changes of different plots in different periods of time, then the polluted underground water in the storage tank is conveyed to the coagulation reaction box, a coagulant aid and iron powder are added into the magnetic coagulation reaction box, micro-magnetic coagulation reaction is carried out on pollutants, magnetic seeds, the coagulant aid and the magnetic seeds in the water, the pollutants and the magnetic seeds are coagulated into magnetic flocs, the underground water which is uniformly mixed and reacted in the coagulation reaction box flows into the supermagnetic separator, a high-intensity magnetic field is generated in the supermagnetic separator, so that the magnetic seeds are separated from the micro-flocs, thereby achieving the purpose of purifying water quality.
Further, the micro-electrolysis mechanism comprises a first acid regulating pool and a micro-electrolysis reaction tower; the first acid regulating pool is communicated with the micro-electrolysis reaction tower; the supermagnetic separator is communicated with the first acid regulating tank; the micro-electrolysis reaction tower is communicated with the heterogeneous catalytic oxidation mechanism.
Little electrolysis mechanism includes first accent acid pond and little electrolysis reaction tower, and the super magnetic separator goes out water and flows automatically to first accent acid pond, adds sour adjusting solution pH value, prepares for little electrolysis reaction, first accent acid pond play water to little electrolysis reaction tower in to add iron fillings and carbon particle, groundwater, iron fillings and carbon particle are in little electrolysis reaction tower, take place electrochemical redox reaction and carry out the ring opening to aquatic macromolecule organic matter, chain scission, and then get rid of the pollutant through physical chemical adsorption, flocculation and precipitation, reduce water colourity, COD value.
Further, the heterogeneous catalytic oxidation mechanism comprises a second acid adjusting tank, a heterogeneous reaction tower, a degassing tower, an alkali adjusting tank, a flocculation reaction tank and a high-efficiency sedimentation tank; the second acid adjusting tank, the heterogeneous reaction tower, the degassing tower, the alkali adjusting tank, the flocculation reaction tank and the high-efficiency sedimentation tank are communicated in sequence; the micro-electrolysis reaction tower is communicated with the second acid regulating tank; the high-efficiency sedimentation tank is communicated with the activated carbon adsorption mechanism.
Heterogeneous catalytic oxidation mechanism includes that the second transfers the acid bath, heterogeneous reaction tower, the degasser, transfer the alkali pond, flocculation reaction tank and high-efficient sedimentation tank, little electrolysis reaction tower effluent flows to the second and transfers in the acid bath, add acid regulation solution pH value, provide the acid condition for heterogeneous catalytic oxidation reaction, the second transfers acid bath effluent to heterogeneous reaction tower, and drop into catalyst and oxidant and make groundwater pollutant get rid of, heterogeneous reaction tower effluent gets into the degasser, CO through the production of air aeration desorption oxidation reaction process2And when gases provide proper conditions for flocculation and precipitation, the effluent of the degassing tower automatically flows to an alkali adjusting tank, the heterogeneous catalytic oxidation reaction is stopped by adding alkali liquor, the effluent of the alkali adjusting tank automatically flows to a flocculation reaction tank, a flocculating agent is added for flocculation reaction, the effluent of the flocculation reaction tank automatically flows to a high-efficiency sedimentation tank, and then thoroughly inorganic organic matters are subjected to mud-water separation in the high-efficiency sedimentation tank.
Further, the activated carbon adsorption mechanism comprises an activated carbon adsorption tank and a clean water tank; the activated carbon adsorption tank is communicated with the clean water tank; the high-efficiency sedimentation tank is communicated with the activated carbon adsorption tank.
The activated carbon adsorption mechanism comprises an activated carbon adsorption tank and a clean water tank, the high-efficiency sedimentation tank discharges water to the activated carbon adsorption tank, pollutants such as micro-electrolysis and heterogeneous catalytic oxidation incompletely oxidized micromolecule organic matters and heavy metals are further removed, and finally the treated water body is discharged to the clean water tank to finish the restoration of pesticide-polluted underground water.
Further, between regulation pond and the reaction box that thoughtlessly congeals, first accent sour pond with between the little electrolysis reaction tower, the second transfer sour pond with between the heterogeneous reaction tower, heterogeneous reaction tower with between the degasification tower, high-efficient sedimentation tank with all be provided with the elevator pump between the active carbon adsorption jar. Further, the first acid adjusting pool, the second acid adjusting pool and the alkali adjusting pool are respectively provided with a stirrer, an online pH meter and a metering pump.
All be provided with agitator and online pH meter on first accent acid pond, the second accent acid pond and the accent alkali pond, the agitator can carry out the intensive mixing to the solution in the container, and the pH of solution can real time monitoring to online pH meter, when not reaching required pH, accessible measuring pump in time supplyes acid-base reagent.
Further, a stirrer and a dosing component are arranged on the coagulation reaction box and the flocculation reaction tank.
The coagulation reaction box and the flocculation reaction tank are both provided with a stirrer and a dosing component, and the dosing component can quantitatively control the dosage of the medicament fed into the coagulation reaction box and the flocculation reaction tank, so that the controllability of the reaction is ensured.
Further, a conical sludge discharge port is formed in the bottom of the high-efficiency sedimentation tank; a plurality of sedimentation components are arranged inside the high-efficiency sedimentation tank, and all the sedimentation components are parallel to each other and have an included angle of 20-40 degrees with the horizontal plane where the conical sludge discharge port is located.
The bottom of the high-efficiency sedimentation tank is provided with a conical sludge discharge port for collecting and discharging flocculates deposited in a water body, a plurality of sedimentation components are further arranged inside the high-efficiency sedimentation tank, the sedimentation components are parallel to each other and form an included angle of 20-40 degrees with the horizontal plane where the conical sludge discharge port is located, and the sedimentation components can be pipelines or baffles.
Furthermore, pall ring packing is arranged in the degassing tower.
The degassing tower is filled with efficient pall ring packing, and the packing has the advantages of large specific surface area and good stripping effect.
The utility model discloses a groundwater pollution repair system compares with prior art, has following technological effect:
the utility model discloses a repair system thoughtlessly congeals mechanism, little electrolysis mechanism, heterogeneous catalytic oxidation mechanism and active carbon adsorption mechanism with magnetism and connects gradually and make up the use, can reduce COD value, BOD value, TP value, TDS value, heavy metal content, chromatic value etc. in the groundwater by a wide margin, consequently, this repair system has that repair cycle is short, the treatment effeciency is high when handling pesticide pollution groundwater, does not have secondary pollution's advantage to the environment.
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 technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a simple diagram of the groundwater pollution remediation system of the present invention;
fig. 2 is a schematic diagram of the groundwater pollution remediation system of the present invention.
Description of reference numerals:
1: a magnetic coagulation mechanism; 11: a pump for pumping out; 12: a regulation and storage tank; 13: a coagulation reaction box; 14: a supermagnetic separator; 15: a lift pump; 16: a stirrer; 17: an online pH meter; 18: a metering pump; 19: an administration member;
2: a micro-electrolysis mechanism; 21: a first acid adjusting tank; 22: a micro-electrolysis reaction tower;
3: a heterogeneous catalytic oxidation mechanism; 31: a second acid adjusting tank; 32: a heterogeneous reaction column; 33: a degassing tower; 34: an alkali adjusting tank; 35: a flocculation reaction tank; 36: a high-efficiency sedimentation tank; 37: a conical sludge discharge port; 38: a precipitation member; 39: pall ring packing;
4: an activated carbon adsorption mechanism; 41: an activated carbon adsorption tank; 42: a clean water tank.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, the utility model relates to an underground water pollution remediation system, which comprises a magnetic coagulation mechanism 1, a micro-electrolysis mechanism 2, a heterogeneous catalytic oxidation mechanism 3 and an activated carbon adsorption mechanism 4; the magnetic coagulation mechanism 1, the micro-electrolysis mechanism 2, the heterogeneous catalytic oxidation mechanism 3 and the activated carbon adsorption mechanism 4 are communicated in sequence.
On the basis of the technical scheme, the magnetic coagulation mechanism 1 comprises a suction pump 11, a regulation and storage tank 12, a coagulation reaction box 13 and a supermagnetic separator 14; the extraction pump 11, the storage tank 12, the coagulation reaction box 13 and the supermagnetic separator 14 are communicated in sequence; the supermagnetic separator 14 is communicated with the micro-electrolysis mechanism 2.
The storage tank 12 in the magnetic coagulation mechanism 1 can temporarily store the underground water polluted by pesticides, and simultaneously achieve the effect of water quality and water quantity equalization, the storage tank 12 is made of carbon steel for corrosion prevention, the use of underground water polluted by different types of pesticides can be met, the storage tank 12 can play a role of storage and homogenization, the retention time of the polluted underground water in the storage tank 12 is preferably 12-15h, in the coagulation reaction box 13, the magnetic seeds, the coagulant aid and the coagulant are subjected to micro-magnetic coagulation reaction with pollutants in water to form magnetic aggregates, and finally, the high-intensity magnetic field generated in the super-magnetic separator 14 is utilized to separate the magnetic seeds from the micro-flocculants, so that the purpose of purifying the water quality is achieved.
On the basis of the technical scheme, the micro-electrolysis mechanism 2 comprises a first acid regulating pool 21 and a micro-electrolysis reaction tower 22; the first acid regulating pool 21 is communicated with the micro-electrolysis reaction tower 22; the supermagnetic separator 14 is communicated with the first acid regulating tank 21; the micro-electrolysis reaction tower 22 is communicated with the heterogeneous catalytic oxidation mechanism 3.
The micro-electrolysis mechanism 2 comprises a first acid regulating pool 21 and a micro-electrolysis reaction tower 22, the first acid regulating pool 21 is made of acid-resistant and corrosion-resistant materials, the pH is controlled between 3 and 4 through the first acid regulating pool 21, a suitable acid environment is provided for micro-electrolysis reaction, the tower wall of the micro-electrolysis reaction tower 22 is made of PE materials, the bottom of the tower is provided with a fixed support for controlling the filler, the carbon particle filler is of a porous structure and has a large specific surface area, the underground water and scrap iron and carbon particles in the micro-electrolysis reaction tower 22 undergo electrochemical oxidation-reduction reaction to open and break the chains of macromolecular organic matters in the water body, and then the water chromaticity and the COD value are reduced through physical chemical adsorption and flocculation precipitation methods. In order to improve the treatment efficiency, the reaction time in the micro-electrolysis reaction tower 22 is 50-110min, and the replacement frequency of the filler is 1 time/6 months.
On the basis of the technical scheme, the heterogeneous catalytic oxidation mechanism 3 comprises a second acid adjusting tank 31, a heterogeneous reaction tower 32, a degassing tower 33, an alkali adjusting tank 34, a flocculation reaction tank 35 and a high-efficiency sedimentation tank 36; the second acid adjusting tank 31, the heterogeneous reaction tower 32, the degassing tower 33, the alkali adjusting tank 34, the flocculation reaction tank 35 and the high-efficiency sedimentation tank 36 are sequentially communicated; the micro-electrolysis reaction tower 22 is communicated with the second acid regulating pool 31; the high-efficiency sedimentation tank 36 is communicated with the activated carbon adsorption mechanism 4.
The second acid regulating pool 31 in the heterogeneous catalytic oxidation mechanism 3 is made of an acid-resistant and corrosion-resistant material, the pH value is controlled between 5 and 6 through the second acid regulating pool 31, a proper acid environment is provided for heterogeneous reaction, the pollutant removing effect is obvious under the combined action of a catalyst and an oxidant in the heterogeneous reaction tower 32 of pesticide-polluted underground water, and the reaction time suitable for the heterogeneous reaction is 1 to 2 hours. Gas such as carbon dioxide can be generated in the heterogeneous reaction process, so that the effluent of the heterogeneous reaction tower 32 enters the degassing tower 33, the degassing tower 33 is kept to enter an adequate air source, the evacuation of the gas such as carbon dioxide in underground water is ensured, conditions are provided for efficient precipitation of the subsequent process, and the degassing time of the degassing tower 33 is 2.5-3 h. The flocculation reaction is carried out under the alkaline condition, so the effluent of the degassing tower 33 enters an alkali adjusting tank 34, the pH of the water body is adjusted to 10.5-11.5, the water body adjusted to be alkaline is discharged into a flocculation reaction tank 35, a flocculating agent is added, and the flocculation reaction time is 4.5-5 h. Effluent after the flocculation reaction flows into the efficient sedimentation tank 36 automatically, water flow in the efficient sedimentation tank 36 flows upwards from the bottom of the tank, thoroughly inorganic organic matters are separated from soil in the efficient sedimentation tank 36, and the sedimentation time of the efficient sedimentation tank 36 is 20-40 min.
On the basis of the technical scheme, the activated carbon adsorption mechanism 4 comprises an activated carbon adsorption tank and a clean water tank 42; the activated carbon adsorption tank 41 is communicated with the clean water tank 42; the high-efficiency sedimentation tank 36 is communicated with the activated carbon adsorption tank 41.
The activated carbon adsorption mechanism 4 comprises an activated carbon adsorption tank 41 and a clean water tank 42, the high-efficiency sedimentation tank 36 discharges water to the activated carbon adsorption tank 41, and due to the adsorption effect of activated carbon, pollutants such as small molecular organic matters and heavy metals which are not completely oxidized in the micro-electrolysis and non-catalytic oxidation processes are adsorbed and removed, the indexes such as COD (chemical oxygen demand) value and chromaticity of the discharged water are reduced, and finally the polluted underground water is discharged to the clean water tank 42 after reaching the standard.
On the basis of the above technical scheme, further, lift pumps 15 are respectively arranged between the storage tank 12 and the coagulation reaction box 13, between the first acid regulating tank 21 and the micro-electrolysis reaction tower 22, between the second acid regulating tank 31 and the heterogeneous reaction tower 32, between the heterogeneous reaction tower 32 and the degassing tower 33, and between the high-efficiency settling tank 36 and the activated carbon adsorption tank 41.
On the basis of the above technical solution, it is further preferable that the first acid adjusting tank 21, the second acid adjusting tank 31, and the alkali adjusting tank 34 are respectively provided with a stirrer 16, an online pH meter 17, and a metering pump 18.
All be provided with agitator 16 and online pH meter 17 on first accent acid pond 21, second accent acid pond 31 and the accent alkali pond 34, agitator 16 can guarantee the abundant mixing of solution in the system, and in online pH meter 17's probe immersed solution, the pH of solution can be monitored in real time to adjust the acid-base quantity through first accent acid pond 21, second accent acid pond 31 and the measuring pump 18 of adjusting the installation of alkali pond 34 top.
In addition to the above technical solution, it is more preferable that the coagulation reaction tank 13 and the flocculation reaction tank 35 are both provided with a stirrer 16 and a dosing member 19.
The internal parts of the coagulation reaction box 13 and the flocculation reaction tank 35 are provided with the stirrers 16, so that the solution in the system and the solution of the dosing component 19 can be fully mixed, the dosing component 19 is arranged at the inlet ends of the coagulation reaction box 13 and the flocculation reaction tank 35, and the dosing component 19 is provided with a regulating valve, so that the input amount of the medicament can be accurately controlled.
In order to improve the sedimentation of flocculate and pollutant particles in the heterogeneous catalytic oxidation mechanism 3, the bottom of the high-efficiency sedimentation tank 36 is provided with a conical sludge discharge port 37; a plurality of sedimentation components 38 are arranged in the high-efficiency sedimentation tank 36, and all the sedimentation components 38 are parallel to each other and have an included angle of 20-40 degrees with the horizontal plane where the conical sludge discharge port 37 is located.
The inside of high-efficient sedimentation tank 36 is provided with a plurality of sedimentation parts 38, and the contained angle that is parallel to each other and with toper row silt mouth 37 place horizontal plane between the sedimentation part 38 is 20-40, and sedimentation part 38 can set up to the baffle, also can set up to the pipeline, and like this, groundwater flows up along sedimentation part 38 from high-efficient sedimentation tank 36 bottom, because of sedimentation part 38 exists certain gradient for flocculate or particulate matter in the water can be fully settled down.
In order to improve the effect of the degassing tower 33 on the removal of gas from the reaction system, pall ring packing 39 is arranged in the degassing tower 33.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The underground water pollution remediation system is characterized by comprising a magnetic coagulation mechanism (1), a micro-electrolysis mechanism (2), a heterogeneous catalytic oxidation mechanism (3) and an activated carbon adsorption mechanism (4);
the magnetic coagulation mechanism (1), the micro-electrolysis mechanism (2), the heterogeneous catalytic oxidation mechanism (3) and the activated carbon adsorption mechanism (4) are communicated in sequence.
2. The repair system according to claim 1, wherein the magnetic coagulation mechanism (1) comprises a suction pump (11), a regulation reservoir (12), a coagulation reaction tank (13) and a supermagnetic separator (14);
the extraction pump (11), the storage tank (12), the coagulation reaction box (13) and the super-magnetic separator (14) are communicated in sequence;
the supermagnetic separator (14) is communicated with the micro-electrolysis mechanism (2).
3. The remediation system of claim 2, wherein the micro-electrolysis mechanism (2) comprises a first conditioning cell (21) and a micro-electrolysis reaction tower (22);
the first acid regulating pool (21) is communicated with the micro-electrolysis reaction tower (22);
the ultra-magnetic separator (14) is communicated with the first acid regulating pool (21);
the micro-electrolysis reaction tower (22) is communicated with the heterogeneous catalytic oxidation mechanism (3).
4. The remediation system of claim 3, wherein the heterogeneous catalytic oxidation mechanism (3) comprises a second acidity tank (31), a heterogeneous reaction tower (32), a degassing tower (33), an alkalinity adjusting tank (34), a flocculation reaction tank (35), and a high efficiency sedimentation tank (36);
the second acid adjusting tank (31), the heterogeneous reaction tower (32), the degassing tower (33), the alkali adjusting tank (34), the flocculation reaction tank (35) and the high-efficiency sedimentation tank (36) are communicated in sequence;
the micro-electrolysis reaction tower (22) is communicated with the second acid regulating pool (31);
the high-efficiency sedimentation tank (36) is communicated with the activated carbon adsorption mechanism (4).
5. The repair system according to claim 4, wherein the activated carbon adsorption mechanism (4) comprises an activated carbon adsorption tank and a clean water tank (42);
the activated carbon adsorption tank (41) is communicated with the clean water tank (42);
the efficient sedimentation tank (36) is communicated with the activated carbon adsorption tank (41).
6. The remediation system of claim 5, wherein a lift pump (15) is disposed between the storage tank (12) and the coagulation reaction tank (13), between the first acidity regulating tank (21) and the microelectrolysis reaction tower (22), between the second acidity regulating tank (31) and the heterogeneous reaction tower (32), between the heterogeneous reaction tower (32) and the degassing tower (33), and between the high efficiency settling tank (36) and the activated carbon adsorption tank (41).
7. The rehabilitation system according to claim 6, characterized in that the first acid adjusting tank (21), the second acid adjusting tank (31) and the alkali adjusting tank (34) are provided with a stirrer (16), an online pH meter (17) and a metering pump (18).
8. The rehabilitation system according to claim 6, wherein an agitator (16) and an administration member (19) are provided on each of the coagulation reaction tank (13) and the flocculation reaction tank (35).
9. The rehabilitation system according to claim 6, characterized in that the bottom of the high-efficiency sedimentation tank (36) is provided with a conical sludge discharge opening (37);
a plurality of sedimentation components (38) are arranged in the high-efficiency sedimentation tank (36), all the sedimentation components (38) are parallel to each other, and the included angle between the sedimentation components and the horizontal plane where the conical sludge discharge port (37) is located is 20-40 degrees.
10. Repair system according to claim 6, characterized in that inside the degassing column (33) is a pall ring packing (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312403.0U CN211999315U (en) | 2020-03-13 | 2020-03-13 | Groundwater pollution repair system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312403.0U CN211999315U (en) | 2020-03-13 | 2020-03-13 | Groundwater pollution repair system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211999315U true CN211999315U (en) | 2020-11-24 |
Family
ID=73433096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020312403.0U Active CN211999315U (en) | 2020-03-13 | 2020-03-13 | Groundwater pollution repair system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211999315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978992A (en) * | 2021-02-25 | 2021-06-18 | 中国地质科学院水文地质环境地质研究所 | High concentration organic matter pollutes groundwater and takes out processing system |
-
2020
- 2020-03-13 CN CN202020312403.0U patent/CN211999315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978992A (en) * | 2021-02-25 | 2021-06-18 | 中国地质科学院水文地质环境地质研究所 | High concentration organic matter pollutes groundwater and takes out processing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210323853A1 (en) | Plasma denitrification device and operating method thereof | |
| CN100390081C (en) | Process method for waste water containing nitrobenzene and aniline | |
| CN106396270A (en) | High-concentration pharmaceutical wastewater treatment system and treatment method | |
| CN101885570A (en) | Sludge treatment method | |
| CN107963786A (en) | A kind of sewage water treatment method and system | |
| CN205347057U (en) | Oil field tertiary oil recovery effluent disposal system | |
| CN103112992A (en) | Method and device for purifying treatment wastewater prior to painting by adopting constructed wetland | |
| KR100359562B1 (en) | An apparatus for purifying wastewater | |
| CN211999315U (en) | Groundwater pollution repair system | |
| CN211896556U (en) | Chemical medicine research and development laboratory waste water treatment equipment | |
| CN210215108U (en) | High-concentration wastewater treatment system for coal chemical industry | |
| CN111302556A (en) | Groundwater remediation method for pesticide-polluted site | |
| CN110316881A (en) | A kind of sewage air lift combined treatment process | |
| CN213446736U (en) | Oil field waste water treatment device | |
| CN202808518U (en) | Device for treating difficultly-degradable organic wastewater by combination of micro-electrolysis and Fenton | |
| CN213446586U (en) | Fluorescence flaw detection wastewater integrated treatment system | |
| CN114409207A (en) | Printing ink effluent disposal system | |
| CN114538709A (en) | Sewage treatment system and sewage treatment method | |
| CN209307174U (en) | Liquor production wastewater processing system | |
| CN206476856U (en) | A kind of high concentration medical wastewater processing unit | |
| CN208949053U (en) | A kind of plasma water purifying device | |
| CN208218511U (en) | The processing unit of high-concentration sewage | |
| CN218755341U (en) | Comprehensive treatment system for hydrocarbon organic polluted underground water | |
| CN110697929A (en) | Method for treating black and odorous water body by hydroxyl radical active oxygen | |
| CN116514345B (en) | Domestic sewage treatment device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |