CN201765221U

CN201765221U - Online monitoring device for oilfield produced wastewater

Info

Publication number: CN201765221U
Application number: CN2010202667712U
Authority: CN
Inventors: 杨明儒
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-22
Filing date: 2010-07-22
Publication date: 2011-03-16
Anticipated expiration: 2020-07-22

Abstract

An online monitoring device for oilfield produced wastewater comprises a first control valve and a second control valve. An outlet end of the first control valve is communicated to a sampling tank via a pipeline while an inlet end of the first control valve is communicated with a drain pipe, an inlet end of the second control valve is communicated with a water pump mounted in the sampling tank while an outlet end of the second control valve is communicated with the drain pipe, an oil-in-water analyzer, a suspension analyzer, a silicon analyzer, a COD analyzer, a dissolved oxygen analyzer, a hardness measurement instrument and a PH measurement instrument are mounted in a monitoring room provided with the sampling tank, sampling heads of all the analyzer and instruments are communicated with the sampling tank via sampling pipes, and the analyzers and the instruments sample once per four minutes. Further, monitored data is uploaded to relative departments such as a multi-purpose station, an environmental protection department, oilfield head offices and the like in a wireless or wire form, thereby bringing convenience to take measures in time to treat wastewater properly and guarantee that quality of oilfield reuse water or exterior drainage water meets environment-friendly requirements, simultaneously, reducing labor intensity, saving wastewater treatment cost, and leading water quality to meet standards of water for steam-injection boilers when in heavy oil production.

Description

The oil extraction-generated waste water on-Line Monitor Device

Technical field

The utility model relates to a kind of oil extraction-generated waste water on-Line Monitor Device, is that many indexs such as the suspension in the oil producing operation sewage, COD, PH, hardness, silicon dioxide are carried out the on-line measurement device specifically, is convenient to sewage is handled.Be adapted to especially in the detection watch-dog of heavy oil wells when exploitation gas injection boiler water quality.

Background technology

The oil field is the water rich and influential family, realizes that the cleansing and recycling of oilfield exploitation sewage is handled, and has multiple benefits such as society, economy, environmental protection.The multi-purpose station in general oil field is the unit that sewage load is concentrated, at present, the mode of artificial chemical examination is adopted in water quality monitoring after the processing, got one time sample in per 4 hours, thereby the existence monitoring is untimely, chemical examination testing result error is big, handle hysteresis, and chemical examination detects problems such as labour intensity is big, and benefit is low.Particularly in the exploitation of heavy oil wells, need in oil well, inject high pressure high temperature vapor, at this moment gas injection boiler feed water is taken from multi-purpose station water after treatment and is carried out reuse, reaches water-saving purpose, thereby promotes the realization and the sustainable development of oil field recycling economy.Obviously this class recycle-water must reach certain water quality standard, and the mode that adopts artificial chemical examination is early can not satisfy the requirement that high-yield and high-efficiency is developed production.

The utility model content

The technical problems to be solved in the utility model provides a kind of automatic, real-time, accurate, reduces sewage detection labour intensity, saves wastewater treatment operating cost, the oil extraction-generated waste water on-Line Monitor Device of raising business efficiency.

The utility model oil extraction-generated waste water on-Line Monitor Device, comprising first, second operation valve, the first operation valve endpiece is communicated with the sampling pond by pipeline, and its entrance point is communicated with drainpipe; The entrance point of second operation valve be placed in the water pump of sampling in the pond and be communicated with, its endpiece is communicated with drainpipe; In the Control Room that is provided with the sampling pond oil analysis instrument in the water, suspension analyser, silicon meter, COD analyser, dissolved oxygen analytic instrument, qualimeter and PH measuring instrument are housed, their sampling head is communicated with the sampling pond by stopple coupon; The Monitoring Data of oil analysis instrument, suspension analyser, silicon meter, COD analyser, dissolved oxygen analytic instrument, qualimeter and PH measuring instrument is after the data acquisition controller collection and analyzing, by wireless or wired terminating machine that sends several functional departments in the water.

The utility model oil extraction-generated waste water on-Line Monitor Device, wherein first, second operation valve is the solenoid valve that is electrically connected with data acquisition controller.

The utility model oil extraction-generated waste water on-Line Monitor Device, wherein stopple coupon is positioned at sampling top, pond.

The utility model oil extraction-generated waste water on-Line Monitor Device, wherein the oil analysis instrument is the ENVIROFLU-HC type in the water, the suspension analyser is the SOLITAX type, silicon meter is the SLC-1625 type, the COD analyser is the CODmax type, dissolved oxygen analytic instrument is the LOD type, and qualimeter is the APA6000 type, and the PH measuring instrument is a PHD difference PH type.

The utility model adopts advanced oil extraction-generated waste water on-line monitoring instrument reliably both at home and abroad, the multi-purpose station reuse or outside the drainpipe place build the on-line monitoring station nearby, by pipeline from reuse or outside water sample collected the drainpipe in the sampling pond in the monitoring room, the primary sample in per 4 minutes from the sampling pond of the sampling probe of every monitoring analysis instrument or sensor is monitored; Data monitored is by the data acquisition system (DAS) collection and research and analyse, data information is uploaded on the terminating machine of relevant departments such as multi-purpose station, environmental protection section, oil field main office by wireless (GPRS) or wired (TCP/IP) simultaneously, so that in time take measures, sewage is carried out appropriateness to be handled, guarantee the quality of oil field reuse or outer draining, make wastewater treatment reach environmental requirement.Simultaneously, reduce labour intensity, save wastewater treatment operating cost, make it to reach the standard that work out in the oil field, the water quality standard of gas injection boiler feed water when particularly reaching thickened oil recovery is guaranteed the economic benefit of thickened oil recovery.

Description of drawings

Fig. 1 is the utility model oil extraction-generated waste water on-Line Monitor Device schematic block diagram.

Embodiment

As seen from Figure 1, the utility model oil extraction-generated waste water on-Line Monitor Device is comprising first, second operation valve 1,2, first operation valve, 1 endpiece is communicated with sampling pond 3 by pipeline, and reuse or outer drainpipe 4 are communicated with in the multi-purpose station of its entrance point and disposing polluted water in oil; The entrance point of second operation valve 2 is communicated with water pump 5 in being placed in sampling pond 3, and its endpiece is communicated with reuse or outer drainpipe 4; In the Control Room that is provided with sampling pond 3 oil analysis instrument 6 in the water, suspension analyser 7, silicon meter 8, COD analyser 9, dissolved oxygen analytic instrument 10, qualimeter 11 and PH measuring instrument 12 are housed, their sampling head is communicated with sampling pond 3 by stopple coupon 13; The Monitoring Data of oil analysis instrument 6, suspension analyser 6, silicon meter 8, COD analyser 9, dissolved oxygen analytic instrument 10, qualimeter 11 and PH measuring instrument 12 is after data acquisition controller 14 is gathered and analyzed, by wireless or wired terminating machine 15 that sends several functional departments in the water.

Wherein, first, second operation valve 1,2 is the solenoid valve that is electrically connected with data acquisition controller 14, controls the interval time of water sampling more easily.Stopple coupon 13 is positioned at sampling 3 tops, pond, more helps the detection of suspension in the water.

The oil analysis instrument adopts the concentration of the palycyclic aromatic in the fluorescence measurement water gaging in the ENVIROFLU-HC type water here, thereby determines the content of oil in the water.SOLITAX type suspension analyser adopts suspended particle quantity in the infrared light detecting head sum counter detection record water.SLC-1625 type silicon meter adopts assorted molybdenum blue analytic approach to measure the content of silicon dioxide in the water.CODmax type COD analyser adopts potassium dichromate method to detect COD value in the water.The Clarke polarography that LOD type dissolved oxygen analytic instrument adopts three sensors to constitute is measured.APA6000 type hardness tester measuring instrument adopts colourimetry to detect.PHD difference PH type PH measuring instrument adopts three potential electrode, selects the difference value of the pH value that potential electrode and normal electrode record with respect to solution background electrode for use.Above-mentioned instrument and data acquisition controller 14 are domestic and international existing product, and terminating machine 15 can be computer, phone etc. have shows or the equipment of phonetic function.

From the reuse of the final stage of the wastewater treatment multi-purpose station in oil field or outside first solenoid electric valve 1 of drainpipe 4 by control, treated water is introduced in the sampling pond 3, the sampling head of various analysis and detecting instruments or sensor are all introduced water in the container in the instrument by stopple coupon 13 and are measured, every Monitoring Data is after data acquisition controller 14 is gathered and analyzed, send the terminating machine 15 of several functional departments to by wireless (GPRS) or wired (TCP/IP), as the wastewater treatment multi-purpose station, environmental administration, units such as oil field main office, pass to multi-purpose station rapidly wherein mainly, so that in time wastewater treatment is taken measures, make the sewage after the processing reach standard, particularly guarantee thickened oil recovery gas injection boiler recycle-water quality, promote the high-quality high yield in oil field.Data acquisition controller 14, terminating machine 15 and wireless or wired conveyer are prior art.The water in sampling pond 3 can be sent drainpipe 4 back to by the water pump 5 and second solenoid electric valve 2 that are placed in the pond again.

Claims

1. an oil extraction-generated waste water on-Line Monitor Device is characterized in that comprising first, second operation valve (1,2), and described first operation valve (1) endpiece is communicated with sampling pond (3) by pipeline, and its entrance point is communicated with drainpipe (4); The entrance point of described second operation valve (2) water pump (5) interior with being placed in described sampling pond (3) is communicated with, and its endpiece is communicated with described drainpipe (4); Oil analysis instrument (6) in the water, suspension analyser (7), silicon meter (8), COD analyser (9), dissolved oxygen analytic instrument (10), qualimeter (11) and PH measuring instrument (12) are housed in the Control Room that is provided with described sampling pond (3), and the sampling head of oil analysis instrument (6), suspension analyser (7), silicon meter (8), COD analyser (9), dissolved oxygen analytic instrument (10), qualimeter (11) and PH measuring instrument (12) is communicated with described sampling pond (3) by stopple coupon (13) in the described water; The Monitoring Data of oil analysis instrument (6), suspension analyser (7), silicon meter (8), COD analyser (9), dissolved oxygen analytic instrument (10), qualimeter (11) and PH measuring instrument (12) is after data acquisition controller (14) is gathered and analyzed, by wireless or wired terminating machine (15) that sends several functional departments in the described water.

2. oil extraction-generated waste water on-Line Monitor Device according to claim 1 is characterized in that the solenoid valve of described first, second operation valve (1,2) for being electrically connected with described data acquisition controller (14).

3. oil extraction-generated waste water on-Line Monitor Device according to claim 1 and 2 is characterized in that described stopple coupon (13) is positioned at top, described sampling pond (3).

4. oil extraction-generated waste water on-Line Monitor Device according to claim 3, it is characterized in that oil analysis instrument (6) is the ENVIROFLU-HC type in the described water, described suspension analyser (7) is the SOLITAX type, described silicon meter (8) is the SLC-1625 type, described COD analyser (9) is the CODmax type, described dissolved oxygen analytic instrument (10) is the LOD type, and described qualimeter (10) is the APA6000 type, and described PH measuring instrument (11) is a PHD difference PH type.