CN108083588A - The cleaning treatment system and treatment process of a kind of waste water-base drilling mud - Google Patents
The cleaning treatment system and treatment process of a kind of waste water-base drilling mud Download PDFInfo
- Publication number
- CN108083588A CN108083588A CN201711276493.1A CN201711276493A CN108083588A CN 108083588 A CN108083588 A CN 108083588A CN 201711276493 A CN201711276493 A CN 201711276493A CN 108083588 A CN108083588 A CN 108083588A
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- CN
- China
- Prior art keywords
- cleaning
- mud
- dewatering
- processing
- steady
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
Abstract
The invention discloses the cleaning treatment system and technique of a kind of waste water-base drilling mud, the mud including setting gradually, which takes off steady unit, slurry dewatering unit and at least one cleaning and dewatering unit, processing step, to be included：1) mud destablizing：It is added in into pending mud and takes off steady medicament to carry out destablizing to mud；2) slurry dewatering is handled：Mud in step 1) after destablizing is carried out dehydrating；3) cleaning and dewatering is handled：The solid phase generated in step 2) through dehydration start the cleaning processing 0.1 4 it is small when, and the mud mixture after cleaning is carried out dehydrating.The processing system and technique of the present invention ensure that the sustainable development of drilling well cause by the harmless treatment that mud is realized to the method for taking off the single or multiple cleanings of mud cake progress steady and after dehydration.
Description
Technical field
The present invention relates to a kind of mud disposal system and techniques, and in particular at a kind of cleaning of waste water-base drilling mud
Reason system and treatment process, belong to field of Environment Protection.
Background technology
The processing mode of waste water-base drilling mud mainly has does not land processing mode with two kinds of brill and central treating station, is
It realizes the minimizing target of drilling mud processing, is handled with brill and generally employ technique that is de- steady and carrying out filter-press dehydration.So
And due to the difference of different drilling depths, different work areas slip, individual mud takes off steady and filter-press dehydration technique can not
Ensure that the leachate of solid phase mud cake meets relevant environmental requirement, therefore, processing up to standard is carried out to solid phase mud cake needs addition solid
Chemical drug agent is to realize environmentally friendly purpose.Although the method can realize processing up to standard, need curing medicament to be added more, processing
It is costly.And central treating station generally realizes the processing of mud using the direct technique for carrying out solidification and stabilization, but handle
The addition for curing medicament in the process is up to 20-40%, and causing that treated, solid phase total amount dramatically increases, cause subsequent transportation and
Comprehensively utilize the increase of burden.Therefore, a kind of effective processing that can realize waste water-base drilling mud is developed, and can be to avoid solid
The processing system being significantly increased and technique of phase total amount are the technical issues of those skilled in the art are urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of cleaning treatments of waste water-base drilling mud
System and treatment process are, it can be achieved that the harmless treatment of mud.
To achieve the above object, the present invention uses following technical scheme：
A kind of cleaning treatment system of waste water-base drilling mud, the mud including setting gradually take off steady unit, mud
Dewatering unit and at least one cleaning and dewatering unit, wherein, the cleaning and dewatering unit includes purge tank and separation of solid and liquid
Equipment.
Further：The cleaning and dewatering unit is provided with 1-10.
Further：The solid phase that upper cleaning and dewatering cell processing generates enters next cleaning and dewatering unit, and next clear
The liquid phase that elution water unit generates can be back to a cleaning and dewatering unit as cleaning solution.
Further：Described to take off steady unit including taking off steady tank, the slurry dewatering unit includes plate and frame filter press, described solid
Liquid separation equipment is plate and frame filter press, centrifugal dehydrator or folded spiral shell squeezer.
Further：The processing system further includes the water treatment unit being connected with the liquid phase of slurry dewatering unit, described
Water treatment unit includes purifier.
Another object of the present invention, it is a kind of that waste water-base drilling mud is carried out using cleaning treatment system as described above
The treatment process of cleaning, comprises the following steps：
1) mud destablizing：It is added in into pending mud and takes off steady medicament to carry out destablizing to mud；
2) slurry dewatering is handled：Mud in step 1) after destablizing is carried out dehydrating；
3) cleaning and dewatering is handled：The solid phase generated in step 2) through dehydration start the cleaning processing 0.1-4 it is small when, it is and right
Mud mixture after cleaning is carried out dehydrating.
Further：The treatment process further includes step 4) clean water treatment：To the slurry dewatering processing step of step 2)
The liquid phase of middle generation carries out clean water treatment, handles in the production water reuse cleaning and dewatering processing step of generation or directly discharge.
Further：By weight percentage, de- described in step 1) surely includes：By weight percentage, step 1)
Described in de- surely include：Aluminium polychloride or aluminum sulfate：5-20%, polyaluminum ferric chloride：5-20%, macromolecule polypropylene acyl
Amine：0-0.5%, highly basic：0-5% and lime：54.5-90%；And pending mud gauge is pressed, the de- steady medicament
Addition is 0.5-10wt%.
Further：Cleaning and dewatering processing in step 3) can carry out n times successively, wherein, 1≤N≤10；It is also, latter
Generated liquid phase is back to last cleaning and dewatering processing as cleaning solution in secondary cleaning and dewatering processing.
Further：Being added in cleaning and dewatering processing in step 3) has cleaning solution and cleaning agent, wherein, by weight hundred
Divide than meter, the cleaning agent is by 20-90% cement, 5-40% aluminum sulfate, 3-30% aluminium polychlorides and 0-10% acid groups
Into；Also, based on solid phase weight to be cleaned, the cleaning solution that is added in：The weight ratio of solid phase is 1：1-25：1；The cleaning medicine
The addition of agent is the 0-30% of solid phase weight to be cleaned.
The beneficial effects of the present invention are processing systems and technique of the invention, by taking off surely and after dehydration
Mud cake carry out the methods of single or multiple cleanings and realize the harmless treatment of mud, can be according to pending in processing procedure
The property of waste water-base drilling mud, adjustment cleaning solution, the dosage and wash number of cleaning agent have good flexible
Property, adaptability and specific aim.Solid phase leachate after cleaning meets《Integrated wastewater discharge standard》(GB8978-1996) level-one
Emission request, and clean the liquid phase generated and also can use through clean water treatment realization reuse or directly discharge, realize the comprehensive of resource
It closes and utilizes, ensure that the sustainable development of drilling well cause.
Description of the drawings
Fig. 1 shows the process flow chart of the cleaning treatment technique of waste water-base drilling mud of the present invention.
Specific embodiment
The specific embodiment of the present invention is described further below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of according to an aspect of the invention, there is provided cleaning treatment system of waste water-base drilling mud
System, the mud including being sequentially connected setting by pipeline take off steady unit, slurry dewatering unit and cleaning and dewatering unit,
In, the mud, which takes off steady unit, to be included taking off steady tank, and described take off in steady tank has added de- steady medicament.Further, by weight hundred
Divide than meter, the de- steady medicament includes：Aluminium polychloride or aluminum sulfate：5-20%, polyaluminum ferric chloride (PAFC)：5-20%,
High polymer polyacrylamide (molecular weight 300-2000 ten thousand)：0-0.5%, highly basic：0-5% and lime：54.5-90%.It is described
Slurry dewatering unit includes plate and frame filter press, to be carried out dehydrating to the mud after mud takes off steady unit destablizing, takes off
The solid phase that water generates enters cleaning and dewatering unit.In the present invention, the cleaning and dewatering unit includes purge tank and solid-liquid point
Being added in from equipment, in the purge tank has cleaning solution and cleaning agent, and by weight percentage, the cleaning agent is by 20-
90% cement, 5-40% aluminum sulfate, 3-30% aluminium polychlorides and 0-10% acid compositions；The solid-liquid separating equipment can be
The solid-liquid separating equipments such as plate and frame filter press, centrifugal dehydration and folded spiral shell squeezer.In the present invention, the cleaning and dewatering unit can
Be provided with it is at least one, with to slurry dewatering unit through dehydration generate solid phase carry out that dehydration, processing procedure is cleaned multiple times
In, the solid phase that upper cleaning and dewatering cell processing generates is into next cleaning and dewatering unit, and next cleaning and dewatering unit generates
Liquid phase a cleaning and dewatering unit can be back to as cleaning solution, until the solid phase that generates and liquid after cleaned dehydration
Mutually meet corresponding examination criteria.Particularly, in the present invention, the cleaning and dewatering unit may be provided with 1-10.In addition, this
The invention cleaning treatment system may also include water treatment unit, and the water treatment unit includes purifier, the water purification
Equipment may include at least one in the purifiers commonly used in the art such as air supporting sedimentation device, electric flocculation device and oxidation unit
Kind, purified treatment is carried out with the liquid phase generated to slurry dewatering unit, the production water for handling generation can be used for drilling team and station reuse
Or directly discharge, also it can be back to cleaning and dewatering unit as cleaning solution.
According to another aspect of the present invention, additionally provide it is a kind of using processing system as described above to drilling mud carry out
The cleaning of cleaning, comprises the following steps：
1) mud destablizing：Storage or transport extremely collect after the received device of pending waste water-base drilling mud is collected
Middle station is stored in de- steady tank, and takes off steady medicament to mud progress destablizing to taking off to add in steady tank；
Wherein, by weight percentage, the de- steady medicament includes：Aluminium polychloride or aluminum sulfate：5-20%, polymerization chlorine
Change ferro-aluminum (PAFC)：5-20%, high polymer polyacrylamide (molecular weight 300-2000 ten thousand)：0-0.5%, highly basic：0-5%, with
And lime：54.5-90%；Wherein, the highly basic is sodium hydroxide and/or potassium hydroxide, and by pending mud gauge, institute
The addition for stating de- steady medicament is 0.5-10wt%；
2) slurry dewatering is handled：Mud in step 1) after destablizing is lifted into slurry dewatering unit through pump
It is carried out dehydrating in plate and frame filter press；
3) cleaning and dewatering is handled：The solid phase generated in step 2) through dehydration enters the purge tank of cleaning and dewatering unit
In start the cleaning processing 0.1-4 it is small when, and the mud mixture after cleaning is carried out dehydrating using solid-liquid separating equipment；
Wherein, being added in the cleaning process has cleaning solution, and the cleaning solution can be clear water, and by solid phase to be cleaned
Weight meter, the cleaning solution added in：The weight ratio of solid phase is 1：1-25：1；Cleaning agent can be also added in cleaning process, by weight
Percentages are measured, the cleaning agent is by 20-90% cement, 5-40% aluminum sulfate, 3-30% aluminium polychlorides and 0-10%
Acid composition, further, the acid are at least one of sulfuric acid, hydrochloric acid, phosphoric acid and nitric acid, and its addition is to be cleaned
Solid phase weight 0-30%.
In addition, the cleaning of the present invention may also include step 4) clean water treatment：Using purifier to the mud of step 2)
The liquid phase generated in slurry dehydration process steps carries out clean water treatment, and the production water for handling generation can be used for drilling team and station reuse or straight
Run in and put, can be also back to as cleaning solution in cleaning and dewatering processing step.
As shown in Figure 1, in the present invention, according to actual conditions, the cleaning and dewatering processing in step 3) can carry out N successively
It is secondary, i.e. after carrying out once cleaning and dehydration to the solid phase generated in step 2) through dehydration, then it is de- to once cleaning
The solid phase that water process generates carries out secondary cleaning dehydration, and so on, until final cleaned dehydration generation is consolidated
Reuse standard mutually can be met.Further, in the present invention, 1≤N≤10, also, produced by the processing of a rear cleaning and dewatering
Liquid phase the processing of last cleaning and dewatering can be back to as cleaning solution；Specifically：If N=1, clear water can be used in cleaning solution
And/or the production water in step 4) clean water treatment step；As 1 ＜ N≤10, then clear water and/or step can be used in the cleaning solution of n-th
Production water in rapid 4) clean water treatment step, and clear water and/or the processing of n-th cleaning and dewatering then can be used in the cleaning solution of the N-1 times
The liquid phase generated in clear water and/or the N-1 times cleaning and dewatering processing then can be used in the liquid phase of middle generation, the cleaning solution of the N-2 times,
And so on, until the solid phase leachate that cleaned dehydration generates meets reuse standard, to be back to brickmaking, pave the way.
And the liquid phase that first time cleaning and dewatering generates can enter water treatment unit and carry out clean water treatment.
Embodiment 1
The waste water-base drilling mud generated using processing system as described above of the invention and treatment process to certain well site
It is handled, wherein, in mud destablizing step, the weight percent composition for taking off steady medicament is：Aluminum sulfate 15%, polymerization chlorine
Change ferro-aluminum 20%, polyacrylamide (molecular weight 10,000,000) 0.5%, sodium hydroxide 2%, lime 62.5%；And by pending
Mud gauge, the addition for taking off steady medicament is 5%；Xun Huan carries out 2 times altogether for the cleaning and dewatering processing, and cleans each time
In dehydration, the cleaning solution and the weight ratio of pending solid phase that are added in are 15:1；The weight of the cleaning agent added in
Percentage composition is 75% cement, 15% aluminum sulfate, 6% aluminium polychloride and 4% nitric acid form, and its addition is to wait to locate
Manage the 10% of solid phase weight.Its handling result is as shown in table 1：
1 drilling mud handling result of table
According to the handling result of table 1, handled by the two level cleaning and dewatering of the present invention, realize waste water-base drilling well
The innoxious processing up to standard of mud solid phase, solid phase weight reduce 23% before relatively cleaning, can either realize the requirement of environment protection standard,
There is the clear superiority of drilling cuttings solid phase minimizing processing again, realize the comprehensive utilization of resource, ensure that holding for drilling well cause
Supervention exhibition.
The present invention has carried out detailed explanation by preferred embodiment.However, by studying carefully above, to each
The variation and increase of embodiment are also apparent to those of ordinary skill in the art.It is intended that it is all this
A little variations and increase fall in the protection domain of the claims in the present invention.
Term used herein is only that specific embodiment is illustrated, and is not intended to and the present invention is limited
System.Unless otherwise defined, all terms (including technical term and scientific terminology) used herein with the present invention belonging to neck
The understanding of the those skilled in the art in domain is identical.Must also it is clear that, except having herein, specific definition is outer, logical in such as dictionary
The term often defined should be construed in the linguistic context of this specification and correlation technique can have the consistent meaning, without that should solve
The idealization released or undue formalization.Well known function or structure are in briefly and clearly consider or repeat no more.
Claims (10)
1. a kind of cleaning treatment system of waste water-base drilling mud, it is characterised in that：Mud including setting gradually takes off steady list
Member, slurry dewatering unit and at least one cleaning and dewatering unit, wherein, the cleaning and dewatering unit is including purge tank and admittedly
Liquid separation equipment.
2. cleaning treatment system according to claim 1, it is characterised in that：The cleaning and dewatering unit is provided with 1-10
It is a.
3. cleaning treatment system according to claim 2, it is characterised in that：What upper cleaning and dewatering cell processing generated consolidates
Mutually enter next cleaning and dewatering unit, and the liquid phase that next cleaning and dewatering unit generates can be back to a cleaning as cleaning solution
Dewatering unit.
4. the cleaning treatment system according to any one in claim 1-3, it is characterised in that：The de- steady unit includes
Steady tank is taken off, the slurry dewatering unit includes plate and frame filter press, and the solid-liquid separating equipment is plate and frame filter press, centrifugal dehydrator
Or folded spiral shell squeezer.
5. the cleaning treatment system according to any one in claim 1-3, it is characterised in that：The processing system is also wrapped
The water treatment unit being connected with the liquid phase of slurry dewatering unit is included, the water treatment unit includes purifier.
6. a kind of cleaning treatment technique of waste water-base drilling mud, it is characterised in that：Comprise the following steps：
1) mud destablizing：It is added in into pending mud and takes off steady medicament to carry out destablizing to mud；
2) slurry dewatering is handled：Mud in step 1) after destablizing is carried out dehydrating；
3) cleaning and dewatering is handled：In step 2) through dehydration generate solid phase start the cleaning processing 0.1-4 it is small when, and to cleaning
Mud mixture afterwards is carried out dehydrating.
7. cleaning treatment technique according to claim 6, it is characterised in that：The treatment process further includes step 4) water purification
Processing：Clean water treatment is carried out to the liquid phase generated in the slurry dewatering processing step of step 2), the production water reuse for handling generation is clear
Elute water treatment steps in or directly discharge.
8. the cleaning treatment technique according to claim 6 or 7, it is characterised in that：By weight percentage, institute in step 1)
The de- steady medicament stated includes：Aluminium polychloride or aluminum sulfate：5-20%, polyaluminum ferric chloride：5-20%, macromolecule polypropylene acyl
Amine：0-0.5%, highly basic：0-5% and lime：54.5-90%；And pending mud gauge is pressed, the de- steady medicament
Addition is 0.5-10wt%.
9. the cleaning treatment technique according to claim 6 or 7, it is characterised in that：Cleaning and dewatering processing in step 3) can
N times are carried out successively, wherein, 1≤N≤10；Also, generated liquid phase is as cleaning solution reuse in rear cleaning and dewatering processing
In the processing of last cleaning and dewatering.
10. the cleaning treatment technique according to claim 6 or 7, it is characterised in that：In cleaning and dewatering processing in step 3)
Addition has cleaning solution and cleaning agent, wherein, by weight percentage, the cleaning agent is by 20-90% cement, 5-40% sulphur
Sour aluminium, 3-30% aluminium polychlorides and 0-10% acid compositions；Also, based on solid phase weight to be cleaned, the cleaning that is added in
Liquid：The weight ratio of solid phase is 1：1-25：1；The addition of the cleaning agent is the 0-30% of solid phase weight to be cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276493.1A CN108083588A (en) | 2017-12-06 | 2017-12-06 | The cleaning treatment system and treatment process of a kind of waste water-base drilling mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276493.1A CN108083588A (en) | 2017-12-06 | 2017-12-06 | The cleaning treatment system and treatment process of a kind of waste water-base drilling mud |
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| CN108083588A true CN108083588A (en) | 2018-05-29 |
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ID=62174478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276493.1A Pending CN108083588A (en) | 2017-12-06 | 2017-12-06 | The cleaning treatment system and treatment process of a kind of waste water-base drilling mud |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293052A (en) * | 2018-10-23 | 2019-02-01 | 天津大港油田滨港集团博弘石油化工有限公司 | A kind of water base rejected well drilling liquid breaks colloid system and preparation method thereof |
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| CN106032302A (en) * | 2016-06-16 | 2016-10-19 | 浙江富春江环保热电股份有限公司 | Waste incineration fly ash washing wastewater treatment method |
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| JP2000176489A (en) * | 1998-12-11 | 2000-06-27 | Satoshi Matsumoto | Method of cleaning rivers, lakes and marshes, or the like |
| CN101774746A (en) * | 2010-01-29 | 2010-07-14 | 濮阳市天地人环保工程技术有限公司 | Treatment method of waste slurry generated by gigging well and drilling |
| CN201799189U (en) * | 2010-09-21 | 2011-04-20 | 浙江工商大学 | Solid waste incineration fly ash washing device |
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| CN109293052A (en) * | 2018-10-23 | 2019-02-01 | 天津大港油田滨港集团博弘石油化工有限公司 | A kind of water base rejected well drilling liquid breaks colloid system and preparation method thereof |
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