CN113500090A - Oxidation belt cleaning device of fatlute - Google Patents
Oxidation belt cleaning device of fatlute Download PDFInfo
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- CN113500090A CN113500090A CN202110725151.3A CN202110725151A CN113500090A CN 113500090 A CN113500090 A CN 113500090A CN 202110725151 A CN202110725151 A CN 202110725151A CN 113500090 A CN113500090 A CN 113500090A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
- B09C1/085—Reclamation of contaminated soil chemically electrochemically, e.g. by electrokinetics
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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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Abstract
The invention discloses an oxidation cleaning device for oil sludge, which comprises the following operation steps: the first step is as follows: crushing pretreatment, namely crushing soil, mixing the crushed soil with clear water in a certain proportion to form slurry, and inputting the slurry into a soil scrubbing roller; the second step is that: and (3) the roller scrubbing is carried out, and petroleum hydrocarbon on the surface layer of large-particle-size particles in the soil is washed out into slurry in the scrubbing process. The invention combines a plurality of technologies such as soil leaching, electrolytic flocculation, electrolytic oxidation and the like to form a soil remediation technology which realizes the pollution of a plurality of organic matters without using leaching agents and is designed into a complete set of treatment device; provides a novel and universal treatment method and device for realizing organic soil remediation, does not bring in second pollutants during remediation, and makes a contribution to ecological remediation and environment purification.
Description
Technical Field
The invention belongs to the technical field of remediation of soil polluted by petroleum hydrocarbon organic matters, and particularly relates to an oxidation cleaning device for oil sludge.
Background
During the production, storage and transportation, refining and processing of petroleum, due to accidents, abnormal operation, maintenance and the like, organic substances of petroleum hydrocarbons overflow and are discharged, for example, blowout accidents in the oil field development process, leakage of oil pipelines and oil storage tanks and the like can cause massive overflow of the petroleum hydrocarbons, and under the condition that the recovery of the overflowing petroleum is difficult, the residual part can pollute soil, underground water and the like.
Petroleum is a complex composed of hundreds of compounds, and after petroleum hydrocarbons enter soil, the composition and structure of organic matters in the soil can be changed, soil pores are blocked, and the permeability of the soil is influenced; meanwhile, as the petroleum contains various reaction groups, the petroleum can be combined with inorganic nitrogen, phosphorus and the like to limit nitrification and dephosphorylation, which can generate adverse effect on the production of plants and even cause the death of the plants; petroleum hydrocarbons may also remain in the fruit parts of plants, entering the food chain through food, causing human and animal hazards; meanwhile, the soil pollution also invades underground water, and drinking water resources and underground water resources enter through the underground water, so that the health of human life is harmed.
The petroleum hydrocarbon polluted soil remediation technology mainly comprises a bioremediation method and a physical and chemical method, wherein the bioremediation technology is to decompose pollutants through metabolism of certain specific microorganisms; the bioremediation technology is generally suitable for remediation of soil with small pollution degree, microorganisms are generally not easy to survive under the condition of high pollution degree, soil pollutants are difficult to effectively remove, and the bioremediation technology has the defects of sensitivity to soil environment, long remediation period, poor stability and the like.
The physical-chemical method has the characteristics of large treatment capacity, wide application range, quick response and the like, and is a common method in practical application; at present, a thermal treatment desorption method and a chemical leaching method are mainly adopted; the heat treatment method is generally used for treating the soil polluted by petroleum hydrocarbon with high pollution concentration or oily sludge, can recover the petroleum hydrocarbon, quickly realizes desorption and does not damage other substances of the soil, but cannot be widely applied due to the defects of high investment cost, high operating cost and the like; the chemical leaching method is most common in practical application, the method is based on water leaching, and petroleum hydrocarbon in soil is precipitated, oxidized or degraded by adding various chemical agents in the leaching process; thereby transferring the petroleum hydrocarbon pollution in the soil into the wastewater, and treating the wastewater again to finally realize the removal of the petroleum hydrocarbon.
The existing chemical leaching method has the characteristics of large consumption of chemical agents, large amount of clean water sources, incomplete leaching, residue and secondary pollution; the development of a chemical leaching method which can save water and medicament and does not bring secondary pollution and residue can promote the improvement of the petroleum hydrocarbon soil remediation technology.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an oxidation cleaning device for oil sludge, which has the advantage of no addition of chemical agents and solves the problems that the existing chemical leaching method has the characteristics of large consumption of chemical agents, large amount of clean water sources, unclean leaching, residue and secondary pollution; the problem of developing a chemical leaching method which can save water and medicament and does not bring secondary pollution and residue and can promote the petroleum hydrocarbon soil remediation technology is solved.
The invention is realized in such a way that an oil sludge oxidation cleaning device comprises the following operation steps:
the first step is as follows: crushing pretreatment, namely crushing soil, mixing the crushed soil with clear water in a certain proportion to form slurry, and inputting the slurry into a soil scrubbing roller;
the second step is that: scrubbing by using a roller, wherein petroleum hydrocarbon on the surface layer of large-particle-size particles in the soil is washed out into slurry in the scrubbing process;
the third step: multi-stage screening, namely screening out all the soil components with large particle sizes (larger than 1mm) in a multi-stage screening mode;
the fourth step: settling fine slurry and carrying out electrolytic flocculation treatment, carrying out physical settling on the residual slurry, wherein the upper wastewater of the sediment contains petroleum hydrocarbon, and then entering an electrolytic flocculation system for wastewater treatment; after the wastewater is treated, petroleum hydrocarbon is degraded, and then clear water returns to the front end again to be mixed with the ground soil, and the process is circulated;
the fifth step: oxidizing the petroleum hydrocarbon in an oxidation reactor, leading the precipitated slurry to enter an oxidation process, fully mixing high-oxidizing water generated by electrolytic oxidation with the precipitated slurry in an oxidation tank through a jet releaser, and oxidizing the petroleum hydrocarbon in the slurry into CO2 by an oxidizing substance after a certain oxidation time is met;
and a sixth step: performing filter pressing dehydration on the slurry and preparing electrolytic oxidation water, performing filter pressing dehydration on the slurry to realize the whole repair process, oxidizing the high-oxidation water, re-entering an electrolytic oxidation water generator to prepare the high-oxidation water again, and circulating the steps.
The oxidation belt cleaning device of fatlute cleans module, multistage screening module, waste water treatment retrieval and utilization module, oxidation and dehydration module and electrolytic oxidation generator module including carrying module, soil, the output of carrying the module is cleaned the pan feeding mouth cooperation of module with soil and is used, the input of multistage screening module is cleaned the output cooperation of module with soil and is used, the output of multistage screening module is used with waste water treatment retrieval and utilization module and oxidation and dehydration module cooperation respectively, waste water treatment retrieval and utilization module cleans the input cooperation of module with soil and uses, the output of oxidation and dehydration module produces clean soil and highly oxidizing nature water, and highly oxidizing nature water passes through electrolytic oxidation generator module and handles the rear end cooperation of using with multistage screening module.
Preferably, the wastewater treatment and recycling module comprises a pipeline filter, a delivery pump, modular electrocoagulation, a sludge-water separator, a filter pump and a precision filter, wherein the pipeline filter is matched with the multistage screening module for use, sediment in the pipeline filter is delivered into the modular electrocoagulation by the delivery pump, the number of the modular electrocoagulation is two, the input end of the modular electrocoagulation at the bottom is matched with the delivery pump for use, the output end of the modular electrocoagulation at the bottom is matched with the input end of the modular electrocoagulation at the top for use, the upper water outlet of the modular electrocoagulation at the top is matched with the input end of the sludge-water separator for use, the output end of the sludge-water separator is matched with the input end of the filter pump for use, and the output end of the filter pump is matched with the input end of the precision filter for use.
Preferably, the electrolytic oxidation generator module comprises a horizontal precision filter, a disc-type adsorption filter, an electrolytic water generator, a water inlet and a water outlet, wherein an input end of the horizontal precision filter is matched with an output end of the oxidation and dehydration module for use, an output end of the horizontal precision filter is communicated with an input end of the disc-type adsorption filter, the water inlet is positioned at the rear side of the top of the electrolytic water generator, the water outlet is positioned at the front side of the bottom of the electrolytic water generator, an output end of the disc-type adsorption filter is communicated with an upper water inlet of the electrolytic water generator, and the rear end of the water outlet is communicated with the rear end of the multistage screening module.
Preferably, the horizontal precision filter is internally provided with a filter element, and the filter element fills the interior of the horizontal precision filter.
Preferably, the disc-type adsorption filter is internally provided with a plurality of disc-type adsorption filter elements which are uniformly distributed in the disc-type adsorption filter.
Preferably, a direct current power supply is arranged on the left side of each of the two modular electroflocculations, and the power transmission ends of the direct current power supplies are respectively matched with the two modular electroflocculations for use.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention combines a plurality of technologies such as soil leaching, electrolytic flocculation, electrolytic oxidation and the like to form a soil remediation technology which realizes the pollution of a plurality of organic matters without using leaching agents and is designed into a complete set of treatment device; provides a novel and universal treatment method and device for realizing organic soil remediation, does not bring in second pollutants during remediation, and makes a contribution to ecological remediation and environment purification.
2. According to the invention, the wastewater reuse module is arranged and adopts a modular electrocoagulation technology, and the technology can degrade petroleum, colloid, organic matters and the like eluted in the scrubbing process.
3. The invention adopts the electrolytic oxidation water technology as the basis by arranging the electrolytic oxidation generator module, uses the waste water after the slurry oxidation and dehydration as the electrolytic raw water after the absorption and filtration treatment, changes the raw water into the electrolytic water rich in the oxidation ions through the electrolytic reaction, and then mixes the electrolytic water with the slurry in proportion to enter the electrolytic oxidation generator module.
4. By arranging the filter element, the residual slurry in the wastewater can be intercepted and then enters the disc-type adsorption filter.
5. The invention can adsorb residual reducing substances or pollutants in water by arranging the disc adsorption filter element so as to ensure the water inlet index of electrolysis; the water after two-stage purification enters an electrolyzed water generator.
6. The invention can provide power for modularized electric flocculation to generate electrolytic reaction by arranging the direct current power supply.
Drawings
FIG. 1 is a schematic flow chart provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of an apparatus for oxidation cleaning of sludge according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a wastewater treatment and recycling module provided in the embodiment of the present invention;
FIG. 4 is a schematic diagram of a module structure of an electrolytic oxidation generator according to an embodiment of the present invention.
In the figure: 1. a delivery module; 2. a soil scrubbing module; 3. a multi-stage screening module; 4. a wastewater treatment and reuse module; 41. a pipe filter; 42. a delivery pump; 43. modularization electrocoagulation; 44. a mud-water separator; 45. a filter pump; 46. a precision filter; 5. an oxidation and dehydration module; 6. an electrolytic oxidation generator module; 61. a horizontal precision filter; 62. a disc-type adsorption filter; 63. an electrolyzed water generator; 64. a water inlet; 65. a water outlet; 7. a filter element; 8. the disc adsorbs the filter core; 9. a direct current power supply.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are exemplified and the following detailed description is made with reference to the accompanying drawings.
The structure of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, an oxidation cleaning apparatus for oil sludge according to an embodiment of the present invention includes:
the first step is as follows: crushing pretreatment, namely crushing soil, mixing the crushed soil with clear water in a certain proportion to form slurry, and inputting the slurry into a soil scrubbing roller;
the second step is that: scrubbing by using a roller, wherein petroleum hydrocarbon on the surface layer of large-particle-size particles in the soil is washed out into slurry in the scrubbing process;
the third step: multi-stage screening, namely screening out all the soil components with large particle sizes (larger than 1mm) in a multi-stage screening mode;
the fourth step: settling fine slurry and carrying out electrolytic flocculation treatment, carrying out physical settling on the residual slurry, wherein the upper wastewater of the sediment contains petroleum hydrocarbon, and then entering an electrolytic flocculation system for wastewater treatment; after the wastewater is treated, petroleum hydrocarbon is degraded, and then clear water returns to the front end again to be mixed with the ground soil, and the process is circulated;
the fifth step: oxidizing the petroleum hydrocarbon in an oxidation reactor, leading the precipitated slurry to enter an oxidation process, fully mixing high-oxidizing water generated by electrolytic oxidation with the precipitated slurry in an oxidation tank through a jet releaser, and oxidizing the petroleum hydrocarbon in the slurry into CO2 by an oxidizing substance after a certain oxidation time is met;
and a sixth step: performing filter pressing dehydration on the slurry and preparing electrolytic oxidation water, performing filter pressing dehydration on the slurry to realize the whole repair process, oxidizing the high-oxidation water, re-preparing the high-oxidation water in an electrolytic oxidation water generator, and circulating the steps;
the oxidation belt cleaning device of fatlute is including carrying module 1, module 2 is scrubbed to soil, multistage screening module 3, waste water treatment retrieval and utilization module 4, oxidation and dehydration module 5 and electrolytic oxidation generator module 6, the output of carrying module 1 is scrubbed the pan feeding mouth cooperation of module 2 with soil and is used, the input of multistage screening module 3 is scrubbed the output cooperation of module 2 with soil and is used, multistage screening module 3's output respectively with waste water treatment retrieval and utilization module 4 and oxidation and dehydration module 5 cooperation use, waste water treatment retrieval and utilization module 4 is scrubbed the input cooperation of module 2 with soil and is used, the oxidation produces clean soil and highly oxidizing nature water with dehydration module 5's output, and highly oxidizing nature water is handled through electrolytic oxidation generator module 6 and is used with the rear end cooperation of multistage screening module 3.
Referring to fig. 3, wastewater treatment retrieval and utilization module 4 includes pipeline filter 41, delivery pump 42, modular electroflocculation 43, sludge-water separator 44, filter pump 45 and precision filter 46, pipeline filter 41 uses with the cooperation of multistage screening module 3, the inside precipitate of pipeline filter 41 is carried to modular electroflocculation 43 in through delivery pump 42, the quantity of modular electroflocculation 43 is two, bottom modular electroflocculation 43's input uses with delivery pump 42 cooperation, bottom modular electroflocculation 43's output uses with top modular electroflocculation 43's input cooperation, top modular electroflocculation 43's upper portion delivery port 65 uses with sludge-water separator 44's input cooperation, sludge-water separator 44's output uses with filter pump 45's input cooperation, filter pump 45's output uses with precision filter 46's input cooperation.
Adopt above-mentioned scheme: through setting up waste water retrieval and utilization module, waste water retrieval and utilization module adopts modularization electric flocculation 43 technique, and this technique can degrade the material such as petroleum class, colloid, organic matter that the process of scrubbing was eluted.
Referring to fig. 4, the electrolytic oxidation generator module 6 includes a horizontal precision filter 61, a disc-type adsorption filter 62, an electrolytic water generator 63, a water inlet 64 and a water outlet 65, an input end of the horizontal precision filter 61 is used in cooperation with an output end of the oxidation and dehydration module 5, an output end of the horizontal precision filter 61 is communicated with an input end of the disc-type adsorption filter 62, the water inlet 64 is located at the rear side of the top of the electrolytic water generator 63, the water outlet 65 is located at the front side of the bottom of the electrolytic water generator 63, an output end of the disc-type adsorption filter 62 is communicated with the water inlet 64 on the electrolytic water generator 63, and a rear end of the water outlet 65 is communicated with the rear end of the multistage screening module 3.
Adopt above-mentioned scheme: by arranging the electrolytic oxidation generator module 6 and adopting the electrolytic oxidation water technology as the basis, the waste water after the slurry oxidation and dehydration is absorbed and filtered to be used as electrolytic raw water, the raw water is changed into electrolytic water rich in oxidation ions through electrolytic reaction, and then the electrolytic water is mixed with the slurry according to the proportion and enters the electrolytic oxidation generator module 6.
Referring to fig. 4, the inside of the horizontal type precision filter 61 is provided with the filter cartridge 7, and the filter cartridge 7 fills the inside of the horizontal type precision filter 61.
Adopt above-mentioned scheme: through setting up filter core 7, can intercept remaining mud in the waste water, then get into disc-type adsorption filter 62.
Referring to fig. 4, the disc-type adsorption filter 62 is provided with a plurality of disc-type adsorption filter elements 8 inside, and the number of the disc-type adsorption filter elements 8 is uniformly distributed inside the disc-type adsorption filter 62.
Adopt above-mentioned scheme: the disc adsorption filter element 8 is arranged, so that residual reducing substances or pollutants in water can be adsorbed, and the water inlet index of electrolysis is ensured; the water after the two-stage purification enters an electrolyzed water generator 63.
Referring to fig. 3, the dc power supply 9 is disposed on the left side of the two modular electroflocculations 43, and the power transmission ends of the dc power supply 9 are respectively used in cooperation with the two modular electroflocculations 43.
Adopt above-mentioned scheme: by arranging the direct-current power supply 9, power can be supplied to the modularized electrolytic flocculation 43, and electrolytic reaction can occur.
The working principle of the invention is as follows:
when the device is used, firstly, soil is crushed and then mixed with clear water in a certain proportion to form slurry, the slurry enters a soil scrubbing roller, petroleum hydrocarbon on the surface layer of large-particle-size particles in the soil is washed out into the slurry in the scrubbing process, and the slurry enters multi-stage screening to screen out all soil components with large particle sizes (larger than 1 mm); then the residual slurry is physically precipitated, the upper wastewater of the precipitate contains petroleum hydrocarbon, and then the wastewater enters an electrolytic flocculation system for wastewater treatment; after the wastewater is treated, petroleum hydrocarbon is degraded, then clear water returns to the front end again to be mixed with the ground soil, the circulation is carried out, the wastewater is conveyed to the modular electroflocculation 43 by the conveying pump 42 after residual sediments are intercepted by the pipeline type filter 41, and the water inlet direction is downward inlet and upward outlet; the modularized electric flocculation 43 is divided into two upper and lower electric flocculation modularized electric flocculation 43 which are powered by the direct current power supply 9 to generate electrolysis reaction; after the wastewater is subjected to the electrocoagulation reaction, the wastewater enters the sludge-water separator 44 from an upper water outlet 65 of the upper electrocoagulation, and sludge generated by the electrocoagulation is separated from clear water; the separated clean water is delivered to a precision filter 46 through a filter pump 45 to intercept possible residual sediment and then mixed with the polluted soil in proportion to enter a scrubbing stage, and the precipitated mud is too small in particle sizeThe contaminants may have entered the soil particles, removal of the contaminants cannot be achieved by means of separate hydraulic scrubbing, and the settled slurry enters the oxidation process: in the oxidation tank, the highly oxidizing water generated by electrolytic oxidation is fully mixed with the precipitated slurry through a jet releaser, and after a certain oxidation time is met, the petroleum hydrocarbon in the slurry is oxidized into CO by the oxidizing substance2Then, carrying out filter pressing dehydration on the slurry to realize the whole repairing process; after the high oxidizing water is oxidized, the high oxidizing water enters the electrolytic oxidizing water generator again for secondary preparation, the circulation is carried out, the wastewater enters the reaction module from an external water pump system and firstly enters the horizontal precision filter 61, and the filter element 7 in the horizontal precision filter 61 can intercept slurry remained in the wastewater; then enters a disc-type adsorption filter 62, wherein the arranged disc-type adsorption filter element 8 can adsorb residual reducing substances or pollutants in water so as to ensure the electrolysis water inlet index; the water after two-stage purification enters an electrolyzed water generator 63, and a water inlet 64 at the top of the generator is connected with the water outlet of a disc-type adsorption filter 62; after the electrolytic reaction, the water body is changed into water rich in oxidation factors, and then the water is discharged from a water outlet 65 at the bottom of the generator, mixed with the fine slurry and circulated in the next step, and in the practical application, the treatment efficiency of each module can be adjusted according to different factors such as pollution degree; if the soil polluted by petroleum hydrocarbon contains a large amount of crude oil, more floating oil is separated out in the scrubbing process, and a floating oil recovery device can be added in the wastewater treatment and reuse module 4 to recover the floating oil.
In summary, the following steps: the oxidation cleaning device for the oil sludge is a soil remediation technology which realizes the pollution of various organic matters without using a leaching agent by combining various technologies such as soil leaching, electrolytic flocculation, electrolytic oxidation and the like, and is designed into a complete set of treatment device; provides a novel and universal treatment method and device for realizing organic soil remediation, does not bring in second pollutants during remediation, and makes a contribution to ecological remediation and environment purification.
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.
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.
Claims (6)
1. An oxidation cleaning device for oil sludge comprises the following operation steps:
the first step is as follows: crushing pretreatment, namely crushing soil, mixing the crushed soil with clear water in a certain proportion to form slurry, and inputting the slurry into a soil scrubbing roller;
the second step is that: scrubbing by using a roller, wherein petroleum hydrocarbon on the surface layer of large-particle-size particles in the soil is washed out into slurry in the scrubbing process;
the third step: multi-stage screening, namely screening out all the soil components with large particle sizes (larger than 1mm) in a multi-stage screening mode;
the fourth step: settling fine slurry and carrying out electrolytic flocculation treatment, carrying out physical settling on the residual slurry, wherein the upper wastewater of the sediment contains petroleum hydrocarbon, and then entering an electrolytic flocculation system for wastewater treatment; after the wastewater is treated, petroleum hydrocarbon is degraded, and then clear water returns to the front end again to be mixed with the ground soil, and the process is circulated;
the fifth step: the petroleum hydrocarbon electrolytic oxidation generator module is used for oxidizing, the precipitated slurry enters an oxidation process, in an oxidation tank, high-oxidizing water generated by electrolytic oxidation is fully mixed with the precipitated slurry through a jet releaser, and after a certain oxidation time is met, the petroleum hydrocarbon in the slurry is oxidized into CO2 by an oxidizing substance;
and a sixth step: performing filter pressing dehydration on the slurry and preparing electrolytic oxidation water, performing filter pressing dehydration on the slurry to realize the whole repair process, oxidizing the high-oxidation water, re-preparing the high-oxidation water in an electrolytic oxidation water generator, and circulating the steps;
the oxidation belt cleaning device of fatlute cleans module (2), multistage screening module (3), waste water treatment retrieval and utilization module (4), oxidation and dehydration module (5) and electrolytic oxidation generator module (6), its characterized in that including transport module (1), soil: the output of carrying module (1) and the pan feeding mouth cooperation of soil scrubbing module (2) are used, the input of multistage screening module (3) and the output cooperation of soil scrubbing module (2) are used, the output of multistage screening module (3) is used with waste water treatment retrieval and utilization module (4) and oxidation and dehydration module (5) cooperation respectively, waste water treatment retrieval and utilization module (4) and the input cooperation of soil scrubbing module (2) are used, the output of oxidation and dehydration module (5) produces clean soil and highly oxidizing nature water, and highly oxidizing nature water passes through electrolytic oxidation generator module (6) and handles the rear end cooperation of using with multistage screening module (3).
2. An apparatus for oxidative cleaning of sludge as claimed in claim 1, wherein: the wastewater treatment recycling module (4) comprises a pipeline type filter (41), a delivery pump (42), a modularized electroflocculation (43), a mud-water separator (44), a filtering pump (45) and a precision filter (46), wherein the pipeline type filter (41) is matched with a multi-stage screening module (3) for use, the internal sediment of the pipeline type filter (41) is conveyed into the modularized electroflocculation (43) through the delivery pump (42), the number of the modularized electroflocculation (43) is two, the bottom part is matched with the input end of the modularized electroflocculation (43) for use, the bottom part is matched with the output end of the modularized electroflocculation (43) and the top part is matched with the input end of the modularized electroflocculation (43) for use, and the top part is matched with the input end of the mud-water separator (44) for use, the output end of the mud-water separator (44) is matched with the input end of a filter pump (45) for use, and the output end of the filter pump (45) is matched with the input end of a precision filter (46) for use.
3. An apparatus for oxidative cleaning of sludge as claimed in claim 1, wherein: the electrolytic oxidation generator module (6) comprises a horizontal precision filter (61), a disc-type adsorption filter (62), an electrolytic water generator (63), a water inlet (64) and a water outlet (65), wherein the input end of the horizontal precision filter (61) is matched with the output end of the oxidation and dehydration module (5) for use, the output end of the horizontal precision filter (61) is communicated with the input end of the disc-type adsorption filter (62), the water inlet (64) is positioned at the rear side of the top of the electrolytic water generator (63), the water outlet (65) is positioned at the front side of the bottom of the electrolytic water generator (63), the output end of the disc-type adsorption filter (62) is communicated with the water inlet (64) on the electrolytic water generator (63), and the rear end of the water outlet (65) is communicated with the rear end of the multistage screening module (3).
4. An apparatus for oxidative cleaning of sludge as claimed in claim 3, wherein: the filter element (7) is arranged in the horizontal precision filter (61), and the filter element (7) is filled in the horizontal precision filter (61).
5. An apparatus for oxidative cleaning of sludge as claimed in claim 3, wherein: the inside of disc formula adsorption filter (62) is provided with disc sheet adsorption filter core (8), the quantity of disc sheet adsorption filter core (8) is a plurality of, and evenly distributed in the inside of disc formula adsorption filter (62).
6. An apparatus for oxidative cleaning of sludge as claimed in claim 2, wherein: the left sides of the two modularized electric flocculation devices (43) are provided with direct current power supplies (9), and the power transmission ends of the direct current power supplies (9) are respectively matched with the two modularized electric flocculation devices (43) for use.
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- 2021-06-29 CN CN202110725151.3A patent/CN113500090A/en active Pending
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| CN104741371A (en) * | 2015-04-03 | 2015-07-01 | 重庆大学 | Contaminated land remediation method |
| CN107321779A (en) * | 2017-08-18 | 2017-11-07 | 上海憬图环境工程有限公司 | A kind of organic material contaminated soil wet method prosthetic device and technique |
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Application publication date: 20211015 |