CN113651473A - Water-based drilling waste mud classification harmless treatment method - Google Patents
Water-based drilling waste mud classification harmless treatment method Download PDFInfo
- Publication number
- CN113651473A CN113651473A CN202110869874.0A CN202110869874A CN113651473A CN 113651473 A CN113651473 A CN 113651473A CN 202110869874 A CN202110869874 A CN 202110869874A CN 113651473 A CN113651473 A CN 113651473A
- Authority
- CN
- China
- Prior art keywords
- water
- mud
- based drilling
- classification
- treatment
- 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.)
- Pending
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 239000003814 drug Substances 0.000 claims abstract description 16
- 230000020477 pH reduction Effects 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000010525 oxidative degradation reaction Methods 0.000 claims abstract description 13
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 12
- 239000003337 fertilizer Substances 0.000 claims abstract description 11
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 230000001954 sterilising effect Effects 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 6
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 235000015097 nutrients Nutrition 0.000 claims abstract description 5
- 239000002689 soil Substances 0.000 claims abstract description 5
- 230000000249 desinfective effect Effects 0.000 claims abstract description 4
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000006228 supernatant Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 11
- 239000000701 coagulant Substances 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 238000006731 degradation reaction Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 239000010865 sewage Substances 0.000 claims description 6
- 239000008394 flocculating agent Substances 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- YYRMJZQKEFZXMX-UHFFFAOYSA-L calcium bis(dihydrogenphosphate) Chemical compound [Ca+2].OP(O)([O-])=O.OP(O)([O-])=O YYRMJZQKEFZXMX-UHFFFAOYSA-L 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 235000019691 monocalcium phosphate Nutrition 0.000 claims description 4
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 4
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 4
- 235000011151 potassium sulphates Nutrition 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000006479 redox reaction Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000001784 detoxification Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000004566 building material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- -1 alkalis Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/02—Superphosphates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a classification harmless treatment method of water-based drilling waste mud, which comprises the following steps: step one, screening and filtering; step two, mixing and stirring; step three, ultrasonic treatment; step four, solid-liquid separation; step five, oxidative degradation; step six, mixing and preparing fertilizer; step seven, wastewater treatment; step eight, sterilizing and disinfecting; step nine, recycling; according to the invention, through the steps of filtering by using the vibrating screen, solid-liquid separation, oxidative degradation, acidification, oxidation, sterilization and disinfection, classification treatment of the waste slurry is realized, the harmful substances in the waste slurry are favorably and thoroughly removed, the slurry and the medicament are treated by ultrasonic waves, the uniform mixing degree of the medicament and the slurry is improved by using the action of the ultrasonic waves, gravel is generated in the treatment process and can be used as a building material, the generated nutrient soil can be sold as a fertilizer, the economic benefit is favorably improved, the treated wastewater can be recycled, and the production cost is favorably reduced.
Description
Technical Field
The invention relates to the technical field of drilling mud treatment, in particular to a classification harmless treatment method for water-based drilling waste mud.
Background
The waste slurry and carried substances in oil and gas drilling and urban foundation engineering construction drilling and the residual slurry after drilling need to be treated so as to ensure the environmental safety. The water-based waste drilling mud contains a large amount of heavy metal ions, inorganic substances, organic substances, salts, alkalis, colloids and other harmful substances, and is directly discharged without being removed, so that the environment is greatly polluted.
At present, the method for treating the waste drilling mud on the market generally adopts a solidification landfill method for treatment, although the treatment cost is low, harmful substances are difficult to remove, the treatment is incomplete, the treated mud still contains a large amount of pollutants, certain potential safety hazards are caused, and the method is not beneficial to environmental protection. And no economic product is produced in the treatment process, the treatment economic benefit is low, a medicament needs to be added in the treatment process, the reaction time of the medicament and the waste slurry is long, and the reaction efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a classification harmless treatment method of water-based drilling waste mud, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the classification harmless treatment method of the water-based drilling waste mud comprises the following steps: step one, screening and filtering; step two, mixing and stirring; step three, ultrasonic treatment; step four, solid-liquid separation; step five, oxidative degradation; step six, mixing and preparing fertilizer; step seven, wastewater treatment; step eight, sterilizing and disinfecting; step nine, recycling;
in the first step, pumping the water-based drilling waste mud into a vibrating screen by using a mud pump for screening to remove stones, gravels and drill cuttings in the mud, then putting the screened stones, gravels and drill cuttings into a dryer for drying, using the stones, gravels and drill cuttings after moisture removal as paving raw materials, and pumping the screened mud into a sedimentation tank for later use;
in the second step, adding a pH regulator into the slurry sieved in the first step, starting a water pump to circulate at the opposite angle to realize vortex stirring of the slurry in the tank, adding a flocculating agent and a coagulant aid after full stirring, then performing vortex stirring again, and standing for later use after the stirring is completed;
in the third step, after the vortex stirring in the second step is finished, turning on an ultrasonic generator, carrying out ultrasonic treatment on the medicament and the sewage in the sedimentation tank, and waiting for standing reaction of the medicament and the sewage after the treatment is finished;
in the fourth step, after the mud in the third step is subjected to standing reaction, pumping out the supernatant by using a water pump, pumping the supernatant into a waste liquid pool for storage, and leaving the lower-layer precipitate in a sedimentation tank for later use;
in the fifth step, adding an oxidant and a degradation agent into the sedimentation tank after the supernatant liquid is extracted in the fourth step, then conveying the precipitate into a reaction tank by using a lifting machine, carrying out airing and oxidative degradation reaction, and airing into mud blocks for later use after the complete reaction;
in the sixth step, the mud blocks oxidized and degraded in the fifth step are put into a stirrer to be crushed and stirred, then potassium sulfate fertilizer and calcium superphosphate are added to be fully mixed, and the mixture is prepared into nutrient soil to be sold after being mixed;
in the seventh step, the supernatant liquid stored in the waste liquid pool in the fourth step is put into an acidification pool for acidification, and the supernatant liquid is pumped into an oxidation pool for oxidation-reduction reaction after the acidification is finished, so that most organic matters are removed, and the supernatant liquid is filtered by using activated carbon after the acidification is finished;
in the eighth step, the wastewater filtered by the activated carbon in the seventh step is conveyed into a sterilization and disinfection tank, and is sterilized and disinfected by ultraviolet rays for later use;
and in the ninth step, the water sterilized and disinfected in the eighth step is conveyed to a water-based drilling platform for recycling or is discharged in a compliance manner, so that the harmless treatment of the water-based drilling waste mud is completed.
Optionally, in the first step, the temperature of the dryer is 150-.
Optionally, in the second step, the pH is adjusted to 6-8.
Optionally, in the second step, the flocculant is polyaluminium sulfate, and the coagulant aid is a polymer coagulant aid.
Optionally, in the third step, the ultrasonic treatment time is 1-2h, and the standing reaction time is 2-3 d.
Optionally, in the fifth step, the oxidant is hydrogen peroxide, and the degradation agent is enruid-1 developed by beijing enrida technologies ltd.
Optionally, in the fifth step, the oxidative degradation reaction time is 5-7 d.
Optionally, in the step eight, the ultraviolet sterilization time is 2-3 h.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the vibration screen filtration, solid-liquid separation, oxidative degradation, acidification oxidation and sterilization, the classification treatment of the waste slurry is realized, the harmful substances in the waste slurry can be thoroughly removed, the harmless treatment is realized, no secondary pollution is generated in the treatment process, and the environment protection is facilitated;
2. according to the invention, the slurry and the medicament are treated by ultrasonic waves, the uniform mixing degree of the medicament and the slurry is improved by utilizing the action of the ultrasonic waves, and the high-frequency vibration generates heat, so that the reaction rate of the medicament and the slurry is accelerated, and the working efficiency is improved;
3. gravel stones generated in the treatment process are used as building materials, the produced nutrient soil can be sold as fertilizer, economic benefits are improved, income in the treatment process is increased, the treated wastewater can be recycled, and production cost is reduced.
Drawings
FIG. 1 is a flow chart of a method for classification and innocent treatment of water-based drilling waste mud according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a method for classification and harmless treatment of water-based drilling waste mud, comprising the following steps: step one, screening and filtering; step two, mixing and stirring; step three, ultrasonic treatment; step four, solid-liquid separation; step five, oxidative degradation; step six, mixing and preparing fertilizer; step seven, wastewater treatment; step eight, sterilizing and disinfecting; and step nine, recycling.
In the first step, water-based drilling waste mud is pumped into a vibrating screen by a mud pump to be screened, stones, gravel and drill cuttings in the mud are removed, the screened stones, gravel and drill cuttings are put into a dryer to be dried, the temperature of the dryer is 150-180 ℃, the drying time is 1-2 hours, the stones, gravel and drill cuttings after moisture removal are used as paving raw materials, and the screened mud is pumped into a settling pond for later use.
And in the second step, adding a pH regulator into the slurry sieved in the first step, regulating the pH to 6-8, starting a water pump to circulate in the opposite angle to realize vortex stirring of the slurry in the tank, adding a flocculating agent and a coagulant aid after full stirring is finished, wherein the flocculating agent is polyaluminium sulfate, the coagulant aid is a high-molecular coagulant aid, then carrying out vortex stirring again, and standing for later use after the stirring is finished.
In the third step, after the vortex stirring in the second step is finished, the ultrasonic generator is started to perform ultrasonic treatment on the medicament and the sewage in the sedimentation tank, the ultrasonic treatment time is 1-2 hours, after the treatment is finished, the medicament and the sewage are waited for standing reaction, and the standing reaction time is 2-3 days.
In the fourth step, after the mud in the third step is subjected to standing reaction, the supernatant is pumped out by a water pump and pumped into a waste liquid pool for storage, and the lower sediment is left in a sedimentation tank for later use.
In the fifth step, adding an oxidant and a degradation agent into the sedimentation tank after the supernatant liquid is extracted in the fourth step, wherein the oxidant is hydrogen peroxide, for example, and the degradation agent is Enruida-1 developed by Beijing Enruida science and technology corporation, then conveying the precipitate into a reaction tank by using a lifting machine, carrying out airing and oxidative degradation reaction for 5-7d, and airing into mud blocks for later use after the complete reaction.
And step six, putting the mud blocks subjected to oxidative degradation in the step five into a stirrer, crushing and stirring, then adding a potassium sulfate fertilizer and calcium superphosphate, fully mixing, and preparing the mixture into nutrient soil for sale after mixing.
And step seven, putting the supernatant liquid stored in the waste liquid pool in the step four into an acidification pool for acidification, pumping the supernatant liquid into an oxidation pool for oxidation-reduction reaction after the acidification is finished, removing most organic matters, and filtering the supernatant liquid by using activated carbon after the oxidation reaction is finished.
And step eight, conveying the wastewater filtered by the activated carbon in the step seven into a sterilization and disinfection tank, and performing sterilization and disinfection by using ultraviolet rays for 2-3 hours for later use.
And in the ninth step, the water sterilized and disinfected in the eighth step is conveyed to a water-based drilling platform for recycling or is discharged in a compliance manner, so that the harmless treatment of the water-based drilling waste mud is completed.
Based on the above, the ultrasonic treatment method has the advantages that the ultrasonic treatment is carried out on the medicament and the slurry by utilizing the ultrasonic waves, so that the reaction rate of the medicament and the slurry is effectively accelerated, the working efficiency is improved, the uniform mixing degree of the slurry and the medicament is improved, the full reaction is facilitated, and the reaction effect is improved. And the mud is subjected to vibration sieve filtration, solid-liquid separation, oxidative degradation, acidification and oxidation, sterilization and disinfection, so that the classification treatment of the waste mud is realized, the harmful substances in the waste mud can be thoroughly removed, and the harmless treatment is realized. And no secondary pollution is generated in the treatment process, so that the method is favorable for environmental protection, meanwhile, the mud cake generated in the treatment process is added with potassium sulfate fertilizer and calcium superphosphate and mixed to be used as fertilizer, the filtered stones and gravel are used as building materials, so that the added value of the product is favorably improved, the economic benefit is improved, and the treated wastewater is recycled, so that the cost is favorably reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. A classification harmless treatment method for water-based drilling waste mud comprises the following steps: step one, screening and filtering; step two, mixing and stirring; step three, ultrasonic treatment; step four, solid-liquid separation; step five, oxidative degradation; step six, mixing and preparing fertilizer; step seven, wastewater treatment; step eight, sterilizing and disinfecting; step nine, recycling; the method is characterized in that:
in the first step, pumping the water-based drilling waste mud into a vibrating screen by using a mud pump for screening to remove stones, gravels and drill cuttings in the mud, then putting the screened stones, gravels and drill cuttings into a dryer for drying, using the stones, gravels and drill cuttings after moisture removal as paving raw materials, and pumping the screened mud into a sedimentation tank for later use;
in the second step, adding a pH regulator into the slurry sieved in the first step, starting a water pump to circulate at the opposite angle to realize vortex stirring of the slurry in the tank, adding a flocculating agent and a coagulant aid after full stirring, then performing vortex stirring again, and standing for later use after the stirring is completed;
in the third step, after the vortex stirring in the second step is finished, turning on an ultrasonic generator, carrying out ultrasonic treatment on the medicament and the sewage in the sedimentation tank, and waiting for standing reaction of the medicament and the sewage after the treatment is finished;
in the fourth step, after the mud in the third step is subjected to standing reaction, pumping out the supernatant by using a water pump, pumping the supernatant into a waste liquid pool for storage, and leaving the lower-layer precipitate in a sedimentation tank for later use;
in the fifth step, adding an oxidant and a degradation agent into the sedimentation tank after the supernatant liquid is extracted in the fourth step, then conveying the precipitate into a reaction tank by using a lifting machine, carrying out airing and oxidative degradation reaction, and airing into mud blocks for later use after the complete reaction;
in the sixth step, the mud blocks oxidized and degraded in the fifth step are put into a stirrer to be crushed and stirred, then potassium sulfate fertilizer and calcium superphosphate are added to be fully mixed, and the mixture is prepared into nutrient soil to be sold after being mixed;
in the seventh step, the supernatant liquid stored in the waste liquid pool in the fourth step is put into an acidification pool for acidification, and the supernatant liquid is pumped into an oxidation pool for oxidation-reduction reaction after the acidification is finished, so that most organic matters are removed, and the supernatant liquid is filtered by using activated carbon after the acidification is finished;
in the eighth step, the wastewater filtered by the activated carbon in the seventh step is conveyed into a sterilization and disinfection tank, and is sterilized and disinfected by ultraviolet rays for later use;
and in the ninth step, the water sterilized and disinfected in the eighth step is conveyed to a water-based drilling platform for recycling or is discharged in a compliance manner, so that the harmless treatment of the water-based drilling waste mud is completed.
2. The method of claim 1, wherein the classification of the water-based drilling waste mud is performed by: in the first step, the temperature of the dryer is 150-.
3. The method of claim 1, wherein the classification of the water-based drilling waste mud is performed by: in the second step, the pH is adjusted to 6-8.
4. The method of claim 1, wherein the classification of the water-based drilling waste mud is performed by: in the second step, the flocculating agent is polyaluminium sulfate, and the coagulant aid is a polymer coagulant aid.
5. The method of claim 1, wherein the classification of the water-based drilling waste mud is performed by: in the third step, the ultrasonic treatment time is 1-2h, and the standing reaction time is 2-3 d.
6. The method of claim 1, wherein the classification of the water-based drilling waste mud is performed by: in the fifth step, the oxidant is hydrogen peroxide, and the degradation agent is Enruida-1 developed by Beijing Enruida technologies GmbH.
7. The method of claim 1, wherein the classification of the water-based drilling waste mud is performed by: in the fifth step, the oxidative degradation reaction time is 5-7 d.
8. The method of classification detoxification treatment of water-based drilling waste mud according to any of claims 1 to 7, wherein: in the step eight, the ultraviolet sterilization time is 2-3 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869874.0A CN113651473A (en) | 2021-07-30 | 2021-07-30 | Water-based drilling waste mud classification harmless treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869874.0A CN113651473A (en) | 2021-07-30 | 2021-07-30 | Water-based drilling waste mud classification harmless treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113651473A true CN113651473A (en) | 2021-11-16 |
Family
ID=78490908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110869874.0A Pending CN113651473A (en) | 2021-07-30 | 2021-07-30 | Water-based drilling waste mud classification harmless treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113651473A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265156A (en) * | 2022-07-26 | 2022-11-01 | 四川大地山河环保工程有限责任公司 | Drying device based on drilling water-based drill chip preparation barium sulfate mortar raw materials |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120682A (en) * | 2011-01-12 | 2011-07-13 | 天津生态城环保有限公司 | New ultrasound-assisted sludge dewatering system |
| CN207418547U (en) * | 2017-11-02 | 2018-05-29 | 杨升岐 | Well drilling waste mud is with brill processing unit |
-
2021
- 2021-07-30 CN CN202110869874.0A patent/CN113651473A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120682A (en) * | 2011-01-12 | 2011-07-13 | 天津生态城环保有限公司 | New ultrasound-assisted sludge dewatering system |
| CN207418547U (en) * | 2017-11-02 | 2018-05-29 | 杨升岐 | Well drilling waste mud is with brill processing unit |
Non-Patent Citations (1)
| Title |
|---|
| JPWD1188: "钻井废弃泥浆无害化处置施工方案", 《豆丁网，网址：HTTPS://WWW.DOCIN.COM/P-2281697630.HTML》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265156A (en) * | 2022-07-26 | 2022-11-01 | 四川大地山河环保工程有限责任公司 | Drying device based on drilling water-based drill chip preparation barium sulfate mortar raw materials |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | Rapid and efficient activated sludge treatment by electro-Fenton oxidation | |
| Chen et al. | Influence of extracellular polymeric substances (EPS) treated by combined ultrasound pretreatment and chemical re-flocculation on water treatment sludge settling performance | |
| CN106830544A (en) | Light electrolysis Fenton EGSB A/O BCO BAF coagulating treatment pharmacy waste water systems | |
| WO2010133151A1 (en) | Organic wastewater recycling treatment method | |
| CN103073149B (en) | Harmless processing method of night soil | |
| CN101948215A (en) | Garbage leachate treatment process | |
| CN106746192A (en) | A kind of city domestic sewage processing method | |
| CN102320702B (en) | Method for deeply processing coking wastewater through coagulation-adsorption and chemical-oxidation combination | |
| Youcai et al. | Pollution Control and Resource Recovery: Sewage Sludge | |
| CN105417840A (en) | Treatment method for coating pretreatment wastewater | |
| CN102642995B (en) | Method and system for physicochemical biological combined treatment of drilling wastewater of oil and gas field | |
| Kumar et al. | Management of tannery waste effluents towards the reclamation of clean water using an integrated membrane system: A state-of-the-art review | |
| CN113651473A (en) | Water-based drilling waste mud classification harmless treatment method | |
| CN107032567B (en) | Method for deodorizing and reducing municipal sludge | |
| CN102206022B (en) | Physicochemical biological ecological method of system applied to sewage advanced treatment | |
| CN110226490A (en) | Utilize the method that plant nutrient soil is prepared after drilling sludge harmless treatment | |
| Li et al. | Fate of organic fractions of greywater in combined process of vacuum-ultraviolet (VUV/UV)/ozone pre-oxidation with enhanced coagulation | |
| Pérez-Sangrador et al. | Solids and nutrient removal from flushed swine manure using polyacrylamides | |
| CN107032568B (en) | Municipal sludge deodorization decrement processing system | |
| CN104787985A (en) | Sewage treatmentmethod | |
| CN204939207U (en) | A kind of livestock breeding wastewater treatment system | |
| CN105174568A (en) | Method used for ultrasonic treatment of waste water | |
| CN105884144A (en) | Process for efficiently treating sewage | |
| JP3163294B2 (en) | Waste chemical and biological treatment system | |
| CN111547963A (en) | Method for removing heavy metal in organic sludge by pulping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211116 |