CN102276047A - Method and device for controlling viscosity loss of oil extraction waste water blended polymer - Google Patents
Method and device for controlling viscosity loss of oil extraction waste water blended polymer Download PDFInfo
- Publication number
- CN102276047A CN102276047A CN 201110147042 CN201110147042A CN102276047A CN 102276047 A CN102276047 A CN 102276047A CN 201110147042 CN201110147042 CN 201110147042 CN 201110147042 A CN201110147042 A CN 201110147042A CN 102276047 A CN102276047 A CN 102276047A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- waste water
- oil extraction
- water
- sun
- 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.)
- Granted
Links
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to a method and a device for controlling the viscosity loss of an oil extraction waste water blended polymer. The method for controlling the viscosity loss of the oil extraction waste water blended polymer comprises: pumping oil extraction waste water into a vertical water collection tank by using a frequency-variable and speed-adjustable vortex pump, and at the same time, compressing the air into the vertical water collection tank to aerate oil extraction waste water in the vertical water collection tank; recording aeration time, monitoring the water content in an action time of the incoming water flow by using a dissolved oxygen tester jointed with a water discharge pipe, working out the variation relationship under a certain flow rate among an aeration pressure, an aeration time and oxygen content in treated water, and determining the optimal oxygen content of a waste water system; and under the guidance of the flow rate, pressure and time parameters corresponding to the optimal oxygen content, pumping the oil extraction waste water into the vertical water collection tank for aeration, and diluting mother solution of a polymer by using the aerated waste water. In the invention, the problem of vague reasonable oxygen content definition of waste water treated by an aeration technique is solved scientifically and effectively, and the method and the device have high operability and practicality.
Description
One, technical field:
What the present invention relates to is in the tertiary oil recovery polymer flooding surface technology technology, utilization extraction dilution of sewage polymer mother liquor technology, and what be specifically related to is a kind of oil extraction-generated waste water the be mixed method and device of polymer viscosity loss controlled.
Two, background technology:
Along with oil-field development enters high water-cut stage, extraction sewage quantity in the ground system is increasing year by year, according to the injection water quality controlling index that is suitable for different rate of permeation stratum, this class sewage is carried out respective handling and carried out re-injection, become the preferred plan of the present oilfield produced waste water comprehensive regulation.Equally, at tertiary oil recovery polymer flooding exploitation block, be the clear water resource of saves valuable, research has been used with extraction dilution of sewage polymer mother liquor and has been finished the individual well injection allocation.Yet salinity height, the extraction sewage quality characteristic that reducing substances content is many, mushroom grows in a large number will significantly impact the work viscosity of its dilute polymer solution.At present, mainly contain for the method that reduces the sewage prepared polymer solution viscosity loss in the prior art reduce the sewage salinity method, add the viscosity stabilizer method, medicament chelating method and sewage expose to the sun the oxygen method, wherein, the sewage oxygen method of exposing to the sun is intended to increase the water body oxygen level, eliminate reducing substances, effusion can be attacked the free radical (O) of polymer molecular chain, kills, reduces anerobes such as sulphate reducing bacteria, avoid polymer molecular chain that degraded on a large scale takes place, guarantee to join poly-viscosity.Jet commonly used oxygen and the pneumatics two kinds of technology of oxygen of exposing to the sun of exposing to the sun in oil field all are based on this principle, and in prolonged application, be improved from aspects such as simplified construction, raising operation stabilities, but the two does not still have science to the handle reasonable oxygen level of joining polywater matter and defines, there is not special report at this yet, be to coming water generally to handle in the reality, or cause the oxygen that exposes to the sun thoroughly not cause that institute's prepared polymer solution produces bigger sticking damage, or cause too high oxygen level and the oxidative degradation that brings a new round to high molecular polymer.Reduce the sewage prepared polymer solution viscosity loss, become the problem that needs to be resolved hurrily that polymer flooding field face engineering system becomes more meticulous.
Three, summary of the invention:
An object of the present invention is to provide a kind of be mixed method of polymer viscosity loss of oil extraction-generated waste water of controlling, another object of the present invention provides the control oil extraction-generated waste water device that the method for polymer viscosity loss uses that is mixed, and it is used for solving the big problem of prior art sewage prepared polymer solution viscosity loss.
The technical solution adopted for the present invention to solve the technical problems is: the be mixed method of polymer viscosity loss of this control oil extraction-generated waste water:
One, by the speed control by frequency variation volute pump oil extraction-generated waste water is pumped into vertical water collect tank with certain flow, open vertical water collect tank inlet pipe valve simultaneously, open air compressor, be pressed into air, air rises along many group spirrillum Stainless Steel Wire spirals in the molten air chamber in vertical water collect tank, enter the gas release chamber by the micropore baffle plate again, make oil extraction-generated waste water aeration aerating in vertical water collect tank;
Two, regulate the aperture of venting ball valve on the vertical water collect tank top end face, gas-liquid mixed pressure is not less than 0.1MPa in the controlling tank, makes the sky G﹠W at the molten air chamber of vertical water collect tank abundant contact, dissolving, transmission ofenergy take place;
Three, the record aeration aerating time, utilize the dissolved oxygen meter that docks with water shoot to monitor above-mentioned flow and come the oxygen level of water in action time, obtain under certain certain flow the variation relation of the oxygen pressure that exposes to the sun, expose to the sun oxygen time and processing back water quality oxygen level;
Four, accept aeration and handle the extremely dilution of sewage polymer mother liquor of different oxygen level, measure viscosity, set up the sewage oxygen level and join the variation relation of poly-dense sticking feature with it, carry out parallel test, each system viscosity value of replication, obtain to realize the average sticking oxygen amount of exposing to the sun of decreasing when minimum, determine the oxygen level of sewage system the best;
Five, continue to regulate the volute pump rotating speed, obtain realizing the pairing oxygen pressure that exposes to the sun of best oxygen content, the oxygen time of exposing to the sun under the serial flooding velocity, and according to the shared volume ratio of oxygen in the equation of gas state and the air, the corresponding flooding velocity and the oxygen pressure that exposes to the sun when reaching best oxygen content is set up out in match, the funtcional relationship of oxygen between the time: Q=f(P exposes to the sun, t, k), wherein k is the constant that combines useful effect gas volume and oxygen dissolution ratio.
Six, concern between oxygen level of the sewage system the best that obtains according to above-mentioned steps four, five and operating parameter, oil extraction-generated waste water is pumped into vertical water collect tank, with the oxygen that exposes to the sun of the corresponding flow of best oxygen content, pressure, time parameter therewith, monitor in real time by dissolved oxygen meter, and transfer expose to the sun oxygen level behind the oxygen of ginseng control oil extraction-generated waste water to reach the oxygen level of sewage system the best, utilize the dilution of sewage polymer mother liquor after the oxygen that exposes to the sun is handled again.
Oil extraction-generated waste water is through the fresh sewage behind coagulation oil removing, the filtering and impurity removing in the such scheme.
The sewage oxygen level is measured the septum electrode method that adopts in the such scheme.
Sewage aeration is handled back diluted polymer mother liquor in the such scheme, and the polymer solution concentration that is mixed is 1000～2500mg/L.
The above-mentioned control oil extraction-generated waste water device that the method for polymer viscosity loss is used that is mixed, comprise air compressor, Vortex pump, magnetic flow meter, vertical water collect tank and dissolved oxygen meter, vertical water collect tank is respectively molten air chamber and gas release room from bottom to top from its bottom face, molten air chamber and gas release room are separated by the micropore baffle plate, bottom face is fixed with inlet pipe and water shoot in the central axis both sides, water shoot is connected with dissolved oxygen meter, vertical water collect tank leans to one side to be installed into water pipe, external magnetic flow meter of water inlet pipe and Vortex pump, in the molten air chamber from the bottom to micropore baffle plate place many around the home group spirrillum Stainless Steel Wires.
Vertical water collect tank is a stainless steel in the such scheme, and the silk footpath of Stainless Steel Wire is 0.2mm in the molten air chamber; The volumetric ratio of molten air chamber and gas release room is 1:3, and vertical water collect tank top end face is installed 1/4 ball valve that exhaust is used along the central axis position.
How group spirrillum Stainless Steel Wire distribution situations are in the molten air chamber in the such scheme, there is one group of spirrillum Stainless Steel Wire to be positioned at the center of vertical water collect tank, center on around it and also adjoin the spirrillum Stainless Steel Wire group that is supporting other mutually, other every group of spirrillum Stainless Steel Wire fixed by the wedge shape hook that is welded on molten air chamber inwall again, and adjoin support mutually, prevent to be subjected to the impact of gas-liquid flow and tilt, be out of shape.
Water inlet pipe is installed in the position of gas release chamber 1/3 height in the such scheme, water inlet pipe top setting pressure table, and tensimeter is installed in the position of gas release chamber 1/2 height.
Be the micropore of 5mm by the equidistant distribution diameter of 10mm on the micropore baffle plate in the such scheme.
Beneficial effect:
When (1) sewage of the present invention enters vertical water collect tank, adopted the speed control by frequency variation volute pump to pump into mode, just can simulate the different flow condition, the aeration aerating time when obtaining under the serial flow realizing the best oxygen level of sewage, oxygen pressure exposes to the sun, determine that the air under the different sewage gauge mould contacts with the water mixing in the aeration processing links of ground, oil field, action time thereby can set up correlation, and operating pressure; Once more, the spiral Stainless Steel Wire of many around the home groups in the molten air chamber, increased the contact area of air and water, prolonged duration of contact, being easy to unequigranular continuous air bubbles forms, cause gas and bubble multidirectional dispersion, stream and collide, promoted that bubble diminishes, dissolving and transmission ofenergy, guaranteed other condition one regularly expose to the sun the oxygen process fully; Meanwhile, the micropore baffle plate makes molten gas process to the transition well of gas release process, both eliminated the reducing substances in the water body by dissolved oxygen, kill, reduced anerobes such as sulphate reducing bacteria, the free radical (O) that reaction institute is formed can attack polymer molecular chain is overflowed from water as far as possible, avoids handling back sewage and joins and molecular chain degradation takes place and cause to glue damage when poly-; In addition, compare with thinking of getting sample, measuring more earlier commonly used, its water shoot directly is connected with dissolved oxygen meter, and the accuracy of dissolved oxygen content measurement result had been eliminated the interference that flow field change, the change of ambient atmosphere envrionment conditions etc. may bring during assurance was disposed of sewage; Simultaneously, discharge aeration synchronously and handle to the sewage of different oxygen level and carry out the follow-up poly-test of joining, handle, rationally be back to science, the reliable technique means of one forming a cover collection wastewater efficient.
(2) the present invention is simple and reasonable for structure, technical parameter standard, adjustable, clear and definite, the easy row of method principle, can determine to be applicable to the best oxygen content of different classes of extraction sewage injection allocation polymkeric substance, solve with science and effectively the expose to the sun reasonable oxygen level of oxygen technical finesse sewage of utilization and define fuzzy problem, operability and practical.
(3) it is general that the present invention has filled up all the time the oxygen treatment process operation of exposing to the sun of oilfield surface engineering sewage, still there is not the blank that science defines to joining the poly-reused sewage reasonable oxygen level that oxygen handles of exposing to the sun, can determine for industrial production key process parameter in service, adjust scientific basis is provided, both can be applicable to the field produces research field, can promote the use of chemical industry, environmental protection etc. and closely-related other field of the sewage comprehensive regulation again.
Four, description of drawings:
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the A-A vertical view of Fig. 1;
Fig. 3 is the B-B vertical view of Fig. 1.
1 vertical water collect tank 2 molten air chambers gas release chambers 3,4 micropore baffle plates, 5 feets, 6 water inlet pipes, 7 inlet pipe, 8 water shoots, 9 tensimeters, 10 ball valves, 11 Stainless Steel Wires, 12 air compressor, 13 magnetic flow meters, 14 Vortex pumps, 15 dissolved oxygen meters.
Five, embodiment:
The present invention is described further below in conjunction with accompanying drawing:
As shown in Figure 1, the be mixed device of polymer viscosity loss of this control oil extraction-generated waste water comprises a vertical water collect tank 1 that is installed on the feet 5, air compressor 12 is connected with the inlet pipe 7 of vertical water collect tank 1, the water inlet pipe 6 of Vortex pump 14 and vertical water collect tank 1 is connected by pipeline, magnetic flow meter 13 is installed on the pipeline of the two connection, dissolved oxygen meter 15 is installed on the water shoot 8 of vertical water collect tank 1, dissolved oxygen meter 15 can be tested dissolved oxygen content in the sewage in real time, measurement result is accurate, has eliminated the flow field change, the interference that ambient atmosphere envrionment conditions change etc. may bring.Described vertical water collect tank 1 is a stainless steel, be respectively molten air chamber 2 and gas release room 3 from bottom to top from its bottom face, between separate by micropore baffle plate 4, above-mentioned molten air chamber 2 is 1:3 with the volumetric ratio of gas release chamber 3, and in the molten air chamber 2 in the shape of a spiral shape around the home seven cocainines directly be the Stainless Steel Wire 11 of 0.2mm, can avoid compressed air stream directly to advance, increase effective contact area of gas and water inlet, extend contact time, be easy to form unequigranular continuous air bubbles, simultaneously, can cause the multidirectional dispersion of gas and bubble, stream and collision, impel bubble further to pulverize, dissolving increases the oxygen effect of exposing to the sun, in the present embodiment, seven groups of spirrillum Stainless Steel Wire distribution situations are in the molten air chamber 2, have one group of spirrillum Stainless Steel Wire to be positioned at the center of vertical water collect tank 1, center on around it also to adjoin six groups of spirrillum Stainless Steel Wires that supporting other mutually, six groups of spirrillum Stainless Steel Wires are fixed by the wedge shape hook that is welded on molten air chamber 2 inwalls again separately, and adjoin support mutually; Vertical water collect tank 1 bottom face has inlet pipe 7 and water shoot 8 in the central axis both sides, water inlet pipe 6 and tensimeter 9 are installed in 1/3 height and 1/2 height location of vertical water collect tank gas release chamber 31 from bottom to top respectively, and the top end face of vertical water collect tank 1 is drawn 1/4 ball valve that an exhaust is used along the central axis position.On inlet pipe 7 and the water shoot 8 sealing-ring is installed all, the end socket of vertical water collect tank 1 bottom face and top end face all adopts shrink-fit to be connected with stop screw is dual with jar inwall, has both guaranteed stopping property, the regular maintenance of convenient again clear jar and molten air chamber 2 inner parts.
Fig. 2 is the A-A vertical view of Fig. 1, it provides the structural representation of micropore baffle plate 4, as shown in the figure, on micropore baffle plate 4 planes by equidistantly the distribute micropore of Φ 5mm of 10mm, micropore baffle plate 4 makes molten gas process to the transition well of gas release process, avoid handling in the sewage of back and can not in time overflow by the formed free radical of reaction (O) and cause and join molecular chain degradation when poly-, cause viscosity loss.
Fig. 3 is the B-B vertical view of Fig. 1, it provides Stainless Steel Wire 11 shape structural representation around the home in the shape of a spiral, as shown in the figure, the silk footpath is that micropore baffle plate 4 curl is around the home arrived in Stainless Steel Wire 11 self-dissolving air chambers 2 bottoms of 0.2mm, fix by the wedge shape hook for every group, and adjoin support mutually, give full play to promote Gas-Liquid Dispersion, stream, the effect of collision, dissolving and transmission ofenergy.
Vortex pump 14 can be realized variable frequency regulating speed control among the present invention, can simulate the different flow condition, the aeration aerating time when being convenient to obtain realizing sewage the best oxygen level under the corresponding flow.
The present invention controls the be mixed method of polymer viscosity loss of oil extraction-generated waste water:
One, will pump into vertical water collect tank 1 with certain flow through the fresh sewage behind coagulation oil removing, the filtering and impurity removing by speed control by frequency variation volute pump 14, open vertical water collect tank 1 inlet pipe valve simultaneously, open air compressor 12, be pressed into air.
Two, regulate the aperture of venting ball valve 10 on vertical water collect tank 1 top end face, gas-liquid mixed pressure is not less than 0.1MPa in the controlling tank, makes the sky G﹠W that abundant contact, dissolving, transmission ofenergy take place in the molten air chamber 2 of vertical water collect tank.
Three, the record aeration aerating time, utilize dissolved oxygen meter 15 these flows of monitoring that dock with water shoot 8 to come the oxygen level of water in action time, obtain under certain certain flow, the variation relation of oxygen pressure, expose to the sun oxygen time and the processing back water quality oxygen level of exposing to the sun, the sewage oxygen level is measured the septum electrode method that adopts.
Four, utilize the sewage of the above-mentioned different oxygen level that obtain to remove the diluted polymer mother liquor respectively, dilute polymer solution concentration is 1000～2500mg/L, sequentially determining viscosity, set up the sewage oxygen level and join the variation relation of poly-dense sticking feature with it, carry out parallel test, each system viscosity value of replication obtains realizing the average sticking oxygen amount of exposing to the sun of decreasing when minimum, determines the oxygen level of sewage system the best.
Five, continue to regulate the volute pump rotating speed, obtain realizing the pairing oxygen pressure that exposes to the sun of best oxygen content, the oxygen time of exposing to the sun under the serial flooding velocity, and according to the shared volume ratio of oxygen in the equation of gas state and the air, the corresponding flooding velocity and the oxygen pressure that exposes to the sun when reaching best oxygen content is set up out in match, the funtcional relationship of oxygen between the time: Q=f(P exposes to the sun, t, k), wherein k is the constant that combines useful effect gas volume and oxygen dissolution ratio.Finish definite task of the operating parameter in dilution of sewage polymer mother liquor early stage,, provide technical indicator, with the be mixed viscosity loss of polymkeric substance of control oil extraction-generated waste water for next step utilizes the work of dilution of sewage polymer mother liquor.
Six, utilize the dilution of sewage polymer mother liquor, concern between oxygen level of the sewage system the best that obtains according to above-mentioned steps four, five and operating parameter, oil extraction-generated waste water is pumped into vertical water collect tank 1, with the oxygen that exposes to the sun of the corresponding flow of best oxygen content, pressure, time parameter therewith, monitor in real time by dissolved oxygen meter 15, and transfer expose to the sun oxygen level behind the oxygen of ginseng control oil extraction-generated waste water to reach the oxygen level of sewage system the best, utilize the dilution of sewage polymer mother liquor after this oxygen that exposes to the sun is handled again.
Thus, the present invention is first stage in the first five step, be to define for the technical parameter in early stage that utilizes dilution of sewage polymer mother liquor task to carry out, the 6th step was second stage of restarting, be that the present invention goes on foot the parameter of acquisition as instructing and foundation with the first five, the work of carrying out that utilizes the dilution of sewage polymer mother liquor is that the be mixed viscosity loss of polymers soln of the 6th step control sewage lays the first stone by the first five step.
Embodiment 1:
Adopting the be mixed method and the device of polymer solution viscosity loss of control oil extraction-generated waste water of the present invention to carry out the confidentiality test, use and poly-ly drives oil extraction-generated waste water as former water, is 12m with the flow
3/ h pumps into vertical water collect tank 1, and carries out five steps of the first step to the of the present invention, and by the Alpha test of technical solution of the present invention, obtaining flooding velocity is 12m
3/ h, the oxygen pressure 0.15MPa that exposes to the sun, when exposing to the sun 7 seconds of oxygen time, the oxygen level of this sewage system the best is 6.50mg/L, the corresponding flooding velocity and the oxygen pressure that exposes to the sun, the pass of oxygen between the time of exposing to the sun were when match foundation reached this best oxygen content:
Q=0.21×32×3600×10
6×k×P/（8.314×298×D
O×t）
In the formula: Q---flooding velocity, m
3/ h;
P---the oxygen pressure that exposes to the sun, MPa;
T---expose to the sun the oxygen time, second;
D
O---the dissolved oxygen content of the best in the water, mg/L, D in the present embodiment
O=6.50mg/L;
K---constant, value sees Table 1.
Table 1 constant k value synopsis
| The oxygen pressure P of exposing to the sun, MPa | K, constant |
| 0.12 | 0.000009 |
| 0.15 | 0.000373 |
| 0.18 | 0.000666 |
| 0.20 | 0.000885 |
| 0.22 | 0.001135 |
| 0.25 | 0.001474 |
The sewage system best oxygen content that utilizes the above-mentioned fs to determine instructs for 6.50mg/L, to vertical water collect tank with flooding velocity 12m
3/ h pumps into oil extraction-generated waste water, and the oxygen pressure 0.15MPa that exposes to the sun exposes to the sun 7 seconds of oxygen time, then utilizes the oxygen that exposes to the sun to handle the back sewage 1400 sub-very much weight polymers that are mixed, and viscosity characteristics the results are shown in Table 2.
Table 2 the be mixed viscosity characteristics contrast table of 1400 sub-very much weight polymers solution of oxygen sewage that exposes to the sun
Embodiment 2:
Using to gather and drive oil extraction-generated waste water as former water, is 25m with the flow
3/ h pumps into vertical water collect tank 1, and carries out five steps of the first step to the of the present invention, and by the Alpha test of technical solution of the present invention, obtaining flooding velocity is 25m
3/ h, the oxygen pressure 0.22MPa that exposes to the sun is when exposing to the sun 15 seconds of oxygen time, the oxygen level of this sewage system the best is 6.48mg/L, the corresponding flooding velocity and the oxygen pressure that exposes to the sun, the relation of oxygen between the time of exposing to the sun when reaching this best oxygen content are set up in match, and it is described that its relation also satisfies embodiment 1, wherein D in the present embodiment
O=6.48mg/L.
The sewage system best oxygen content that utilizes the above-mentioned fs to determine instructs for 6.48mg/L, to vertical water collect tank with flooding velocity 25m
3/ h pumps into oil extraction-generated waste water, and the oxygen pressure 0.22MPa that exposes to the sun exposes to the sun 15 seconds of oxygen time, then utilizes the oxygen that exposes to the sun to handle the back sewage 1900 sub-very much weight polymers that are mixed, and viscosity characteristics the results are shown in Table 3.
Table 3 the be mixed viscosity characteristics contrast table of 1900 sub-very much weight polymers solution of oxygen sewage that exposes to the sun
Embodiment 3:
Using to gather and drive oil extraction-generated waste water as former water, is 18m with the flow
3/ h pumps into vertical water collect tank 1, and carries out five steps of the first step to the of the present invention, and by the Alpha test of technical solution of the present invention, obtaining flooding velocity is 18m
3/ h, the oxygen pressure 0.18MPa that exposes to the sun is when exposing to the sun 10 seconds of oxygen time, the oxygen level of this sewage system the best is 6.70mg/L, the corresponding flooding velocity and the oxygen pressure that exposes to the sun, the relation of oxygen between the time of exposing to the sun when reaching this best oxygen content are set up in match, and it is described that its relation also satisfies embodiment 1, wherein D in the present embodiment
O=6.70mg/L.
The sewage system best oxygen content that utilizes the above-mentioned fs to determine instructs for 6.70mg/L, to vertical water collect tank with flooding velocity 18m
3/ h pumps into oil extraction-generated waste water, and the oxygen pressure 0.18MPa that exposes to the sun exposes to the sun 10 seconds of oxygen time, then utilizes the oxygen that exposes to the sun to handle the back sewage 2500 sub-very much weight polymers that are mixed, and viscosity characteristics the results are shown in Table 4.
Table 4 the be mixed viscosity characteristics contrast table of 2500 sub-very much weight polymers solution of oxygen sewage that exposes to the sun
The polymer mother liquor of 5000mg/L is clear water and stirs slaking in the various embodiments described above, and the polymer solution viscosity after dilution of sewage is mixed is the measured value that leaves standstill Brookfield viscometer after 30 minutes.
From table 2-table 4 as seen, handle oil extraction-generated waste water with technical solution of the present invention, dissolved oxygen concentration in the water body is reached about 6.5mg/L, the more former level of viscosity of different molecular weight, different concns polymers soln of being mixed all improves more than the 5mPa.s, effect obviously is better than used comparatively general treatment technology scheme at present, show that the technical program can significantly eliminate reducing substances, kill, reduce anerobes such as sulphate reducing bacteria, avoid polymer molecular chain that degraded on a large scale takes place, thereby effectively control viscosity loss.
Claims (9)
1. control the be mixed method of polymer viscosity loss of oil extraction-generated waste water for one kind, it is characterized in that: the be mixed method of polymer viscosity loss of this control oil extraction-generated waste water:
One, by speed control by frequency variation volute pump (14) oil extraction-generated waste water is pumped into vertical water collect tank (1) with certain flow, open vertical water collect tank (1) inlet pipe (7) valve simultaneously, open air compressor (12), be pressed into air, air rises along many group spirrillum Stainless Steel Wire (11) spirals in the molten air chamber (2) in vertical water collect tank (1), enter the gas release chamber by micropore baffle plate (4) again, make oil extraction-generated waste water aeration aerating in vertical water collect tank (1);
Two, regulate the aperture of venting ball valve (10) on vertical water collect tank (1) top end face, gas-liquid mixed pressure is not less than 0.1MPa in the controlling tank, makes the sky G﹠W that abundant contact, dissolving, transmission ofenergy take place in the molten air chamber (2) of vertical water collect tank (1);
Three, the record aeration aerating time, utilize the above-mentioned flow of dissolved oxygen meter (15) monitoring that docks with water shoot (8) to come the oxygen level of water in action time, obtain under certain certain flow the variation relation of the oxygen pressure that exposes to the sun, expose to the sun oxygen time and processing back water quality oxygen level;
Four, accept aeration and handle the extremely dilution of sewage polymer mother liquor of different oxygen level, measure viscosity, set up the sewage oxygen level and join the variation relation of poly-dense sticking feature with it, carry out parallel test, each system viscosity value of replication, obtain to realize the average sticking oxygen amount of exposing to the sun of decreasing when minimum, determine the oxygen level of sewage system the best;
Five, continue to regulate the volute pump rotating speed, obtain realizing the pairing oxygen pressure that exposes to the sun of best oxygen content, the oxygen time of exposing to the sun under the serial flooding velocity, and according to the shared volume ratio of oxygen in the equation of gas state and the air, the corresponding flooding velocity and the oxygen pressure that exposes to the sun when reaching best oxygen content is set up out in match, the funtcional relationship of oxygen between the time: Q=f(P exposes to the sun, t, k), wherein k is the constant that combines useful effect gas volume and oxygen dissolution ratio;
Six, concern between oxygen level of the sewage system the best that obtains according to above-mentioned steps four, five and operating parameter, oil extraction-generated waste water is pumped into vertical water collect tank (1), with the oxygen that exposes to the sun of the corresponding flow of best oxygen content, pressure, time parameter therewith, by dissolved oxygen meter (15) monitoring in real time, and transfer expose to the sun oxygen level behind the oxygen of ginseng control oil extraction-generated waste water to reach the oxygen level of sewage system the best, utilize the dilution of sewage polymer mother liquor after the oxygen that exposes to the sun is handled again.
2. the be mixed method of polymer viscosity loss of control oil extraction-generated waste water according to claim 1 is characterized in that: described oil extraction-generated waste water is for through the fresh sewage behind coagulation oil removing, the filtering and impurity removing.
3. the be mixed method of polymer viscosity loss of control oil extraction-generated waste water according to claim 1, it is characterized in that: described sewage oxygen level is measured the septum electrode method that adopts.
4. the be mixed method of polymer viscosity loss of control oil extraction-generated waste water according to claim 1, it is characterized in that: described sewage aeration is handled back diluted polymer mother liquor, and the polymer solution concentration that is mixed is 1000～2500mg/L.
5. the described control oil extraction-generated waste water of claim 1 device that the method for polymer viscosity loss is used that is mixed, it is characterized in that: it comprises air compressor (12), Vortex pump (14), magnetic flow meter (13), vertical water collect tank (1) and dissolved oxygen meter (15), vertical water collect tank (1) is respectively molten air chamber (2) and gas release room (3) from bottom to top from its bottom face, molten air chamber (2) and gas release room (3) are separated by micropore baffle plate (4), bottom face is fixed with inlet pipe (7) and water shoot (8) in the central axis both sides, water shoot (8) is connected with dissolved oxygen meter (15), vertical water collect tank (1) leans to one side to be installed into water pipe (6), external magnetic flow meter of water inlet pipe (6) (13) and Vortex pump (14), many around the home group spirrillum Stainless Steel Wires (11) in the molten air chamber (2).
6. the control oil extraction-generated waste water according to claim 5 device that the method for polymer viscosity loss is used that is mixed, it is characterized in that: many group spirrillum Stainless Steel Wire (11) distribution situations are in the described molten air chamber, there is one group of spirrillum Stainless Steel Wire to be positioned at the center of vertical water collect tank (1), center on around it and also adjoin the spirrillum Stainless Steel Wire group that is supporting other mutually, other every group of spirrillum Stainless Steel Wire fixed by the wedge shape hook that is welded on molten air chamber (2) inwall again, and adjoins support mutually.
7. the control oil extraction-generated waste water according to claim 6 device that the method for polymer viscosity loss is used that is mixed, it is characterized in that: described vertical water collect tank (1) is a stainless steel, in the molten air chamber (2) around the home the silk footpath of Stainless Steel Wire (11) be 0.2mm; Molten air chamber (2) is 1:3 with the volumetric ratio of gas release chamber (3), and vertical water collect tank (1) top end face is installed 1/4 ball valve (10) that exhaust is used along the central axis position.
8. the control oil extraction-generated waste water according to claim 7 device that the method for polymer viscosity loss is used that is mixed, it is characterized in that: it is the micropore of 5mm that described micropore baffle plate (4) is gone up by the equidistant distribution diameter of 10mm.
9. the control oil extraction-generated waste water according to claim 8 device that the method for polymer viscosity loss is used that is mixed, it is characterized in that: described water inlet pipe (6) is installed in the position of gas release chamber (3) 1/3 height, water inlet pipe (6) top setting pressure table (9), tensimeter (9) is installed in the position of gas release chamber (3) 1/2 height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101470424A CN102276047B (en) | 2011-06-02 | 2011-06-02 | Method and device for controlling viscosity loss of oil extraction waste water blended polymer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101470424A CN102276047B (en) | 2011-06-02 | 2011-06-02 | Method and device for controlling viscosity loss of oil extraction waste water blended polymer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102276047A true CN102276047A (en) | 2011-12-14 |
| CN102276047B CN102276047B (en) | 2012-11-21 |
Family
ID=45101847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101470424A Expired - Fee Related CN102276047B (en) | 2011-06-02 | 2011-06-02 | Method and device for controlling viscosity loss of oil extraction waste water blended polymer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102276047B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030387A (en) * | 2014-05-27 | 2014-09-10 | 大庆高新区百世环保科技开发有限公司 | Efficient air floatation treatment integrated device for ternary composite flooding oilfield produced water |
| CN105606489A (en) * | 2014-10-28 | 2016-05-25 | 中国石油天然气股份有限公司 | Polymer solution viscosity loss online detection system and process |
| CN109739153A (en) * | 2019-02-18 | 2019-05-10 | 中国石油天然气股份有限公司 | Method, device and system for controlling viscosity loss of profile control skid-mounted injection allocation station |
| CN111323337A (en) * | 2019-12-24 | 2020-06-23 | 大庆油田有限责任公司 | Evaluation process for polymer-containing sewage diluted polymer solution prepared by clear water and subjected to oxygen exposure treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803676A (en) * | 2005-12-23 | 2006-07-19 | 南开大学 | Photochemical oxidation method for increasing oilfield sewage prepared polymer solution viscosity |
| CN101274797A (en) * | 2007-03-30 | 2008-10-01 | 中国石油天然气股份有限公司 | Equipment and process for preparing polymer water source by catalytic deactivation of oilfield sewage |
| CN101402483A (en) * | 2008-09-23 | 2009-04-08 | 中国科学院南京地理与湖泊研究所 | Catalysis treatment method for oil field wastewater re-injection |
| CN201283285Y (en) * | 2008-10-22 | 2009-08-05 | 中国石油天然气股份有限公司 | Reaction tank for preparing polymer water source by catalytic deactivation |
-
2011
- 2011-06-02 CN CN2011101470424A patent/CN102276047B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1803676A (en) * | 2005-12-23 | 2006-07-19 | 南开大学 | Photochemical oxidation method for increasing oilfield sewage prepared polymer solution viscosity |
| CN101274797A (en) * | 2007-03-30 | 2008-10-01 | 中国石油天然气股份有限公司 | Equipment and process for preparing polymer water source by catalytic deactivation of oilfield sewage |
| CN101402483A (en) * | 2008-09-23 | 2009-04-08 | 中国科学院南京地理与湖泊研究所 | Catalysis treatment method for oil field wastewater re-injection |
| CN201283285Y (en) * | 2008-10-22 | 2009-08-05 | 中国石油天然气股份有限公司 | Reaction tank for preparing polymer water source by catalytic deactivation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030387A (en) * | 2014-05-27 | 2014-09-10 | 大庆高新区百世环保科技开发有限公司 | Efficient air floatation treatment integrated device for ternary composite flooding oilfield produced water |
| CN105606489A (en) * | 2014-10-28 | 2016-05-25 | 中国石油天然气股份有限公司 | Polymer solution viscosity loss online detection system and process |
| CN109739153A (en) * | 2019-02-18 | 2019-05-10 | 中国石油天然气股份有限公司 | Method, device and system for controlling viscosity loss of profile control skid-mounted injection allocation station |
| CN111323337A (en) * | 2019-12-24 | 2020-06-23 | 大庆油田有限责任公司 | Evaluation process for polymer-containing sewage diluted polymer solution prepared by clear water and subjected to oxygen exposure treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102276047B (en) | 2012-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102276047B (en) | Method and device for controlling viscosity loss of oil extraction waste water blended polymer | |
| CN102860280B (en) | Fishpond oxygenation device | |
| CN206692364U (en) | A kind of sewage air-flotation separating purifying device | |
| CN215208878U (en) | Novel mining industry waste water pH is adjusted device | |
| CN205627666U (en) | Application performance contrast evaluation device of multiunit MBR membrane product | |
| CN107324551A (en) | A kind of electromechanical integration Discussion On Measures of Rivers Pollution Treatment device | |
| CN106198845A (en) | Ion chromatogram eluate and automatically configure device and method of automatic configuration continuously | |
| CN202191853U (en) | Pipeline mixer for feeding drug into waste water | |
| CN105819542B (en) | Plasma sewage treatment device and treatment method thereof | |
| CN108163967A (en) | A kind of intelligence control system and its method of catalytic oxidation-biological aerated filter | |
| CN207713601U (en) | A kind of integrated form sewage disposal device | |
| CN208218641U (en) | A kind of spiral-flow type excess sludge ozone minimizing device | |
| CN114455686A (en) | Ammonia nitrogen recovery equipment based on gas stratification and use method thereof | |
| CN111054239A (en) | Integrated system for feeding and proportioning polymerization inhibitor of acrylic acid device | |
| CN112814076A (en) | Water taking system | |
| CN109529645B (en) | Foam generating device for site repair and application thereof | |
| CN203938579U (en) | Sludge dewatering treatment system | |
| CN109574165B (en) | Dynamic oil-containing sewage purifier performance evaluation device | |
| CN211754127U (en) | Integrated system for feeding and proportioning polymerization inhibitor of acrylic acid device | |
| CN112358031B (en) | Water and gas distribution structure of biological filter | |
| CN216853474U (en) | Oxygenation device that aquaculture used | |
| CN210595638U (en) | High-concentration organic wastewater treatment experimental device | |
| CN219156636U (en) | Lime aeration stirring equipment | |
| CN204824343U (en) | Adopt anaerobic reactor of frequency conversion positive displacement water pump inner loop | |
| CN215712301U (en) | In-situ phosphorus removal system for river channel and lake |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150602 |
|
| EXPY | Termination of patent right or utility model |