CN1278758C - Recovery treatment system and method for oil field waste filtered substance - Google Patents
Recovery treatment system and method for oil field waste filtered substance Download PDFInfo
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- CN1278758C CN1278758C CN 200410013736 CN200410013736A CN1278758C CN 1278758 C CN1278758 C CN 1278758C CN 200410013736 CN200410013736 CN 200410013736 CN 200410013736 A CN200410013736 A CN 200410013736A CN 1278758 C CN1278758 C CN 1278758C
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Abstract
The present invention provides a system and a method thereof for recovering and processing a filtering material discarded in an oil field, which relates to the system and the method thereof for recovering and processing the discarded filtering material. The discarded filtering material in the oil field pollutes environment and wastes resources at present. The present invention has the processing system that a coarse sieving machine (1) is connected with a screw elevator (2); an outlet of a filtering material washing and processing device (3) is arranged on the upper side of a hopper of a screw elevating separator (4); a drying box (5) is connected with a conveyer belt (6); a magnetic separator (7) is connected with the conveyer belt (6) and a multi-layer electric sieving machine (8). The present invention has the method that the discarded filtering material orderly enters the coarse sieving machine (1), the screw elevator (2) and the filtering material washing and processing device (3), is rinsed in the filtering material washing and processing device (3), is elevated by the screw elevating separator (4) and enters the drying baker (5), and the classified filtering material is sent into the sieving machine (8). The processing system and the processing method of the present invention save production funds and avoid environment pollution.
Description
Technical field:
The present invention relates to a kind of system and method that recycles at the discarded filtrate on the oil field.
Background technology:
At present disposing polluted water in oil reaches oil field reinjection water matter index for guaranteeing effluent quality, and the employing sedimentation adds the mode of filtration, and wherein the filter type of Cai Yonging is mainly with granular filtrate dam SS and sump oil.The filtrate that filter plant uses was changed once in common 2～3 years, and the method that the filtrate that more swaps out generally adopts outward transport to bury is handled.Owing to contain a large amount of pollution impurity and sump oil in the filtrate of changing, pollute the environment like this; If the filtrate that is replaced out in addition can not utilize again and discard, can waste resource so again.Therefore, at this present situation, the research that discarded filtrate is handled reuse technology and equipment thereof has been proposed.Clear jar filtrate is mainly cleaning, upgrades the filter medium that is stained with impurity such as oil, mud that all kinds of filter tanks produce, as quartz sand, anthracite, magnetic iron ore and cobble etc.Calculate the discarded filtrate of more than one hundred million tons that full oil field will produce if changed filtrate in 3 years by every jar.Also not this treatment technology and equipment both at home and abroad at present, and this problem practical problem that to be environmental protection and producing be badly in need of solves.
Summary of the invention:
Purpose of the present invention is exactly at the oil that is stained with that produces in the disposing polluted water in oil system, the filter medium of impurity such as mud, as quartz sand, anthracite, the pollution filtrate that magnetic iron ore and cobble etc. are changed, reclaim the system and method that focuses on, described system comprises with lower device: scalping extension set 1 is connected with the storage bin hopper 2-1 of screw elevator 2 lower ends, the upper end of screw elevator 2 is arranged on the upper end of filtrate cleaning processing apparatus 3 charging apertures, the outlet of filtrate cleaning processing apparatus 3 is arranged on the top that spiral promotes seperator 4 hoppers, the upper end that spiral promotes seperator 4 links to each other with the inlet of drying baker 5, the outlet of drying baker 5 links to each other with the end of transport tape 6-1, the other end of transport tape 6-1 links to each other with an end of magnetic separator 7, and the other end of magnetic separator 7 links to each other with multilayer electric screen grader 8 by another transport tape 6-2; Described filtrate cleaning processing apparatus 3 comprises housing 3-1, be equipped with motor 3-9 and electric cabinet 3-10 on the housing 3-1, motor 3-9 links to each other with wash bowl 3-2 by chain 3-11, crosswise fixed has the wash bowl 3-2 that has sieve aperture on the barrel in the housing 3-1, and wash bowl 3-2 two ends communicate with housing 3-1 filtrate import 3-5 and pump 3-6 outward respectively; Upper and lower oil drain out 3-3 and the mud discharging mouth 3-4 of having of housing 3-1 sidewall, the housing 3-1 wall of wash bowl 3-2 top has water inlet 3-7; Described filtrate cleaning processing apparatus 3 links to each other with chemicals dosing plant 9, boiler 14 simultaneously, and the inlet of boiler 14 links to each other with flushing pump 15, and flushing pump 15 links to each other with treated water tank 16.Described method is: will discard filtrate and be placed on and carry out coarse fraction on the scalping extension set 1, then the granule filtrate of telling is driven among the storage bin hopper 2-1 of screw elevator 2, screw elevator 2 is sent into filtrate in the filtrate cleaning processing apparatus 3, begins behind adding hot water and the chemical to clean in filtrate cleaning processing apparatus 3; After 10～100 minutes filtrate is discharged from filtrate cleaning processing apparatus 3, the hopper of again filtrate being driven into spiral lifting seperator 4 carries out rinsing, promoting seperator 4 via spiral then promotes, in lifting process with moisture from going out, filtrate enters drying baker 5 after promoting, filtrate after the oven dry is delivered to magnetic separator 7 with transport tape 6-1 filtrate is classified by magnetic iron ore, quartz sand, cobble, and sorted filtrate is delivered to multilayer electric screen grader 8 through transport tape 6-2 and carried out fine screen and divide and get final product; Described chemical is formed by accounting for following component in percentage by weight: non-ionic surface active agent 1～10%, anion surfactant 1～15%, polymer chain-breaker 5～25%, sulfide remover 5～20%, inorganic acid 50～80%, corrosion inhibiter 5～20%, water 3～33%; Described non-ionic surface active agent is AEO and/or APES; Described anion surfactant is alkylsulfonate and/or alkylbenzenesulfonate; Described polymer chain-breaker is potassium permanganate and/or clorox; Described sulfide remover is glutaraldehyde and/or formaldehyde; Described inorganic acid is sulfuric acid and/or hydrochloric acid; Described corrosion inhibiter is alkynol and/or organic phosphoric acid.The invention has the advantages that, by treatment system of the present invention and processing method, the oil field after handling, a large amount of production filtrates that need more swap out can have been obtained reuse again because of producing every year, the filtrate discharging and the environmental protection problem that more swap out have not only been solved, also can be by reaching most of filtrate purpose of reuse again after the recycling, thereby realized turning waste into wealth, saved a large amount of production capitals; In addition because the discarded filtrate that more swaps out is mainly polluted by sump oil, by handling a spot of sump oil is reclaimed, obtain certain economic benefits, also avoided simultaneously effluxing, guaranteed the recycling of sump oil the severe contamination that can't recover that ecological environment caused on every side and the waste of sump oil.Therefore, treatment system of the present invention and method have been created good economic benefit and social benefit, are beneficial to and apply.
Description of drawings:
Fig. 1 is a recovery and processing system structural representation of the present invention, and Fig. 2 is the structural representation of filtrate cleaning processing apparatus 3.
The specific embodiment:
Oilfield waste filtrate recovery and processing system comprises with lower device in the present embodiment: scalping extension set 1 is connected with the lower end of screw elevator 2, the upper end of screw elevator 2 is arranged on the upper end of filtrate cleaning processing apparatus 3 charging apertures, the outlet of filtrate cleaning processing apparatus 3 is arranged on the top that spiral promotes seperator 4 hoppers, the upper end that spiral promotes seperator 4 links to each other with the inlet of drying baker 5, the outlet of drying baker 5 links to each other with an end of transport tape 6, the other end of transport tape 6 links to each other with an end of magnetic separator 7, and the other end of magnetic separator 7 links to each other with multilayer electric screen grader 8 by transport tape 6.Described filtrate cleaning processing apparatus 3 links to each other with chemicals dosing plant 9, boiler 14 simultaneously, and the inlet of boiler 14 links to each other with flushing pump 15, and flushing pump 15 links to each other with treated water tank 16.Described filtrate cleaning processing apparatus 3, spiral promote seperator 4 and link to each other with an end of sewage pump 10, the other end of sewage pump 10 links to each other with waste liquid concentration tank 11, the other end of waste liquid concentration tank 11 links to each other with sludge pump 12, and sludge pump 12 links to each other with centrifuge 13.
Aforementioned filtrate cleaning processing apparatus 3 comprises housing 3-1, be equipped with motor 3-9 and electric cabinet 3-10 on the housing 3-1, motor 3-9 links to each other with wash bowl 3-2 by chain 3-11, crosswise fixed has the wash bowl 3-2 that has sieve aperture on the barrel in the housing 3-1, and wash bowl 3-2 two ends communicate with housing 3-1 filtrate import 3-5 and pump 3-6 outward respectively; Upper and lower oil drain out 3-3 and the mud discharging mouth 3-4 of having of housing 3-1 sidewall, the housing 3-1 wall of wash bowl 3-2 top has water inlet 3-7.In housing 3-1 wash bowl 3-2 below laterally be equipped with screen casing 3-12, water inlet 3-7 and screen casing 3-12 communicate with water pump 3-15 by pipe 3-13 and pipe 3-14 respectively, are fixed with spiral slurry conveying machine 3-8 bottom the housing 3-1.During actual the use, water pump 3-15 pumps into water in the housing 3-1 by water inlet 3-7, and the filtrate that is cleaned is joined in the wash bowl 3-2 by filtrate import 3-5, and wash bowl 3-2 back and forth rotates in housing 3-1, filtrate is washed repeatedly in the wash bowl 3-2, reaches the purpose of cleaning.Greasy dirt on the filtrate is cleaned the floating water surface of going up in back and is discharged by oil drain out 3-3, mud sink to housing 3-1 bottom by spiral slurry conveying machine 3-8 outside mud discharging mouth 3-4 discharges housing 3-1.Filtrate after the cleaning is discharged by pump 3-6, is provided with attemperating unit in the electric cabinet 3-10, keeps water temperature to be controlled at more than 40 ℃.
The method of utilizing aforesaid oilfield waste filtrate recovery and processing system to carry out the filtrate recycling is: be transported to the recycling station of concentrating the discarded graininess pollution filtrate of building with car with changing the pollution filtrate that comes out, to discard filtrate is placed on and carries out coarse fraction on the scalping extension set 1, then the granule filtrate of telling is driven among the storage bin hopper 2-1 of screw elevator 2, screw elevator 2 is sent into filtrate in the filtrate cleaning processing apparatus 3, begins behind adding hot water and the chemical to clean in filtrate cleaning processing apparatus 3; After 10～100 minutes filtrate is discharged from filtrate cleaning processing apparatus 3, the hopper of again filtrate being driven into spiral lifting seperator 4 carries out rinsing, promoting seperator 4 via spiral then promotes, in lifting process with moisture from going out, filtrate enters drying baker 5 after promoting, filtrate after the oven dry is delivered to magnetic separator 7 with transport tape 6-1 filtrate is classified by magnetic iron ore, quartz sand, cobble, and sorted filtrate is delivered to multilayer electric screen grader 8 through transport tape 6-2 and carried out fine screen and divide and get final product.Promote the sewage that produces in the seperator 4 in filtrate cleaning disposal 3 and spiral, get to by sewage pump 10 and carry out concentration and settlement in the waste liquid concentration tank 11, the mud impurity after concentrating enters centrifuge 13 through sludge pump 12 liftings and carries out processed.
Aforementioned chemical is formed by accounting for following component in percentage by weight: non-ionic surface active agent 1～10%, anion surfactant 1～15%, polymer chain-breaker 5～25%, sulfide remover 5～20%, inorganic acid 50～80%, corrosion inhibiter 5～20%, water 3～33%.The preparation method of aforementioned chemical is: at first, corrosion inhibiter is added in the polymeric kettle, start agitating device then, afterwards, sulfide remover, non-ionic surface active agent, inorganic acid, anion surfactant, polymer chain-breaker are joined in the polymeric kettle successively, stir and got final product in 1 hour.Wherein, non-ionic surface active agent is AEO and/or APES; Described anion surfactant is alkylsulfonate and/or alkylbenzenesulfonate; Described polymer chain-breaker is potassium permanganate and/or clorox; Described sulfide remover is glutaraldehyde and/or formaldehyde; Described inorganic acid is sulfuric acid and/or hydrochloric acid and/or sulfamic acid; Described corrosion inhibiter is alkynol and/or organic phosphoric acid.
At present, the major pollutants in the oilfield waste filtrate have crude oil, suspended particle, microbial film and ferrous sulfide film etc.Therefore, in the prescription of inorganic agent, contain surfactant, polymer chain-breaker and sulfide remover component.Surfactant has amphipathic, and its aqueous solution can play wetting, peptizaiton to crude oil, suspension, also can play solubilization to crude oil, can be used for the removing to crude oil and suspension.Polymer chain-breaker and organic polymer substance reaction generate small-molecule substance, therefore can reach degraded and destruction to polymer gel and microbial film.The sulfide remover can generate stable water-soluble substances with the sulphion reaction of negative divalence, therefore can be used for removing the ferrous sulfide film of filter material surface.Inorganic acid can be inorganic agent sour environment is provided, the dissolving of the ferrous film of accelerated cure, the action effect of raising medicament.Handle the mechanical agitation that makes discarded filtrate and inorganic agent that arranged enough times of contact in the regenerative process and sufficient intensity is arranged at discarded filtrate, all contaminations of filter material surface can be removed.
Claims (4)
1, a kind of oilfield waste filtrate recycling and processing device system, it is characterized in that it comprises with lower device: scalping extension set (1) is connected with the storage bin hopper (2-1) of screw elevator (2) lower end, the upper end of screw elevator (2) is arranged on the upper end of filtrate cleaning processing apparatus (3) charging aperture, the outlet of filtrate cleaning processing apparatus (3) is arranged on the top that spiral promotes seperator (4) hopper, the upper end that spiral promotes seperator (4) links to each other with the inlet of drying baker (5), the outlet of drying baker (5) links to each other with an end of transport tape (6-1), the other end of transport tape (6-1) links to each other with an end of magnetic separator (7), and the other end of magnetic separator (7) links to each other with multilayer electric screen grader (8) by another transport tape (6-2);
Described filtrate cleaning processing apparatus (3) comprises housing (3-1), be equipped with motor (3-9) and electric cabinet (3-10) on the housing (3-1), motor (3-9) links to each other with wash bowl (3-2) by chain (3-11), the interior crosswise fixed of housing (3-1) has the wash bowl (3-2) that has sieve aperture on the barrel, and wash bowl (3-2) two ends communicate with housing (3-1) filtrate import (3-5) and pump (3-6) outward respectively; Upper and lower oil drain out (3-3) and the mud discharging mouth (3-4) of having of housing (3-1) sidewall, housing (3-1) wall of wash bowl (3-2) top has water inlet (3-7);
Described filtrate cleaning processing apparatus (3) links to each other with chemicals dosing plant (9), boiler (14) simultaneously, and the inlet of boiler (14) links to each other with flushing pump (15), and flushing pump (15) links to each other with treated water tank (16).
2, oilfield waste filtrate recycling and processing device according to claim 1 system, it is characterized in that described filtrate cleaning processing apparatus (3), spiral promote seperator (4) and link to each other with an end of two sewage pumps (10) respectively, and the other end of these two sewage pumps (10) links to each other with waste liquid concentration tank (11), the other end of waste liquid concentration tank (11) links to each other with sludge pump (12), and sludge pump (12) links to each other with centrifuge (13).
3, a kind of method that adopts the described oilfield waste filtrate of claim 1 recycling and processing device system to carry out the recycling of oilfield waste filtrate, it is characterized in that discarding filtrate is placed on the scalping extension set (1) and carries out coarse fraction, then the granule filtrate of telling is driven in the storage bin hopper (2-1) of screw elevator (2), screw elevator (2) is sent into filtrate in the filtrate cleaning processing apparatus (3), begins behind adding hot water and the chemical to clean in filtrate cleaning processing apparatus (3); After 10～100 minutes filtrate is discharged from filtrate cleaning processing apparatus (3), the hopper of again filtrate being driven into spiral lifting seperator (4) carries out rinsing, promoting seperator (4) via spiral then promotes, in lifting process with moisture from going out, filtrate enters drying baker (5) after promoting, filtrate after the oven dry is delivered to magnetic separator (7) with transport tape (6-1) filtrate is classified by magnetic iron ore, quartz sand, cobble, and sorted filtrate is delivered to multilayer electric screen grader (8) through another transport tape (6-2) and carried out fine screen and divide and get final product;
Described chemical is formed by accounting for following component in percentage by weight: non-ionic surface active agent 1～10%, anion surfactant 1～15%, polymer chain-breaker 5～25%, sulfide remover 5～20%, inorganic acid 50～80%, corrosion inhibiter 5～20%, water 3～33%;
Described non-ionic surface active agent is AEO and/or APES; Described anion surfactant is alkylsulfonate and/or alkylbenzenesulfonate; Described polymer chain-breaker is potassium permanganate and/or clorox; Described sulfide remover is glutaraldehyde and/or formaldehyde; Described inorganic acid is sulfuric acid and/or hydrochloric acid; Described corrosion inhibiter is alkynol and/or organic phosphoric acid.
4, the method for oilfield waste filtrate recycling according to claim 3, it is characterized in that described filtrate cleaning processing apparatus (3) and spiral promote the sewage that produces in the seperator (4), get in the waste liquid concentration tank (11) by two sewage pumps (10) respectively and carry out concentration and settlement, the mud impurity after concentrating enters centrifuge (13) through sludge pump (12) lifting and carries out processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410013736 CN1278758C (en) | 2004-04-30 | 2004-04-30 | Recovery treatment system and method for oil field waste filtered substance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200410013736 CN1278758C (en) | 2004-04-30 | 2004-04-30 | Recovery treatment system and method for oil field waste filtered substance |
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| CN1569307A CN1569307A (en) | 2005-01-26 |
| CN1278758C true CN1278758C (en) | 2006-10-11 |
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| CN 200410013736 Active CN1278758C (en) | 2004-04-30 | 2004-04-30 | Recovery treatment system and method for oil field waste filtered substance |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583627B (en) * | 2012-02-24 | 2013-07-10 | 重庆康达环保产业（集团）有限公司 | Active coke extracting and backwashing device used for sewage advanced treatment |
| CN103009501A (en) * | 2012-12-13 | 2013-04-03 | 华电电力科学研究院 | Recycling device and method of waste filtering bag of novel bag type dust remover |
| CN103482757B (en) * | 2013-09-03 | 2017-03-15 | 大连大孤山污水处理有限公司 | A kind of filter material for biological filter cleaning |
| CN104190150B (en) * | 2014-08-15 | 2015-10-28 | 南京凯燕电子有限公司 | Mesh belt transmission formula oil dripping gathering-device and installation method thereof |
| CN110624315A (en) * | 2019-02-24 | 2019-12-31 | 田大志 | Environment-friendly treatment method for recycling polluted and ineffective filter material |
| CN112744888A (en) * | 2019-10-31 | 2021-05-04 | 中国石油天然气股份有限公司 | Purifying device for filter material |
| CN112691882A (en) * | 2020-12-31 | 2021-04-23 | 唐山燕山钢铁有限公司 | Hot-rolled waste filter material screening, recycling and reusing process |
| CN115385539B (en) * | 2022-08-19 | 2023-07-25 | 江苏博一环保科技有限公司 | Sludge step-by-step separation system |
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Address after: Heilongjiang Province, Daqing City Ranghulu District 163513 Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: DAQING OILFIELD ENGINEERING Co.,Ltd. Address before: Heilongjiang Province, Daqing City Ranghulu District 163513 Patentee before: Daqing Oilfield Co.,Ltd. Patentee before: Daqing Oilfield Engineering Design Technology Development Co.,Ltd. Address after: Heilongjiang Province, Daqing City Ranghulu District 163513 Patentee after: Daqing Oilfield Co.,Ltd. Patentee after: Daqing Oilfield Design Institute Co.,Ltd. Address before: Heilongjiang Province, Daqing City Ranghulu District 163513 Patentee before: Daqing Oilfield Co.,Ltd. Patentee before: DAQING OILFIELD ENGINEERING Co.,Ltd. |