CN210505888U - Integrated physical method oilfield water treatment device - Google Patents

Integrated physical method oilfield water treatment device Download PDF

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Publication number
CN210505888U
CN210505888U CN201920859044.8U CN201920859044U CN210505888U CN 210505888 U CN210505888 U CN 210505888U CN 201920859044 U CN201920859044 U CN 201920859044U CN 210505888 U CN210505888 U CN 210505888U
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cylinder
liquid inlet
pipe orifice
tank
treatment device
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CN201920859044.8U
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Chinese (zh)
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张后继
韩立芹
魏丽萍
刘宝
韩会生
徐红雨
李毅
崔海涛
万威佑
张瑾
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SHANDONG HYGEIA ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
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SHANDONG HYGEIA ENVIRONMENTAL PROTECTION EQUIPMENT CO LTD
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Abstract

The utility model relates to an integrated physical oilfield water treatment device, which comprises a lower end socket, a tank, an upper end socket, an electric cation and water elimination treatment device, a vortex device, an electric absorber and an anode rod body; the upper end and the lower end of the tank cylinder are respectively provided with an upper sealing head and a lower sealing head, a supporting cylinder is arranged in the center of the lower sealing head, and an anode rod body is arranged in an annular space between the supporting cylinder and the lower sealing head; the support cylinder is provided with a vortex device, the outer part of the vortex device, the discharge pipe opening of the tank body and the ring surface below the lower manhole are provided with lower sieve plates, the upper part of the shell ring of the vortex device is provided with a liquid inlet conduit, the ring surface below the liquid inlet conduit is provided with an upper sieve plate, and an annulus between the lower sieve plate and the upper sieve plate is provided with filter materials; an electric adsorber is arranged in an annular space on the liquid inlet conduit and outside the straight cylinder end of the vortex device. The utility model greatly simplifies the sewage treatment process; in the treatment process, only gas and electricity are used without adding chemicals, so that the device is green, environment-friendly, safe and pollution-free, small in size, low in energy consumption and good in treatment effect, and the problem that the sewage treatment difficult in the oil field does not reach the standard is effectively solved.

Description

Integrated physical method oilfield water treatment device
Technical Field
The utility model relates to an oil field water treatment technical field especially relates to a novel physical method oil field water treatment device, the difficult sewage's in mainly used oil field processing.
Background
The oil field is developed along with tertiary oil recovery, oil field polymer injection and ternary drive development, the oil field sewage becomes more and more complex and is more and more difficult to treat, particularly ternary drive sewage, because the types of added chemical agents are more, the emulsification degree of water is high, the colloidal particles are small, scaling and blockage are serious after alkali is added, the existing device cannot normally operate, the treatment by the existing chemical method and biological method does not take effect, the quality of the treated water is seriously overproof, and therefore the oil field is regarded as a world water treatment problem.
In order to solve the problem, the oil field is subjected to polymer injection, ternary drive, measure waste liquid and drilling waste liquid treatment and then is reinjected or recycled after reaching the standard, and Chinese utility model patent skid-mounted multifunctional integrated oil field water treatment device, patent number: 201310338278.5, good antiscaling effect and good oil-water separation are seen in the field test, but the problem that the suspended matters in the purified water do not reach the standard is not solved because of the small removal rate of the colloidal particles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integration physical method oil field water treatment ware to solve above-mentioned technical problem, for realizing above-mentioned purpose, the utility model discloses a following technical scheme:
an integrated physical oilfield water treatment device comprises a lower end enclosure, a tank cylinder, an upper end enclosure, an electric cation and water elimination treatment device, a support cylinder, a lower sieve plate, a vortex device, an upper sieve plate, a liquid inlet conduit, an electric adsorber, a filter material, an anode rod body and a sludge discharge conduit; the upper end and the lower end of the tank cylinder are respectively provided with an upper sealing head and a lower sealing head, a supporting cylinder is arranged in the center of the lower sealing head, and an anode rod body is arranged in an annular space between the supporting cylinder and the lower sealing head; the support cylinder is provided with a vortex device, the outer part of the vortex device, the discharge pipe opening of the tank body and the ring surface below the lower manhole are provided with lower sieve plates, the upper part of the shell ring of the vortex device is provided with a liquid inlet conduit, the ring surface below the liquid inlet conduit is provided with an upper sieve plate, and an annulus between the lower sieve plate and the upper sieve plate is provided with filter materials; an electric adsorber is arranged in an annular space on the liquid inlet conduit and outside the straight cylinder end of the vortex device.
As a further aspect of the present invention: the bottom of the lower end enclosure is provided with support legs, the middle position of the bottom of the lower end enclosure is provided with a three-way pipe orifice, the outer side of the three-way pipe orifice is provided with a bottom manhole, the upper side of the bottom manhole is provided with a sludge discharge pipe orifice, and the upper side of the sludge discharge pipe orifice is provided with an electric cation and elimination water treatment device; a discharge pipe orifice and a lower manhole are arranged at the middle lower part outside the tank barrel, a feeding pipe orifice is arranged at the middle upper part outside the tank barrel, a liquid inlet pipe orifice is arranged at the upper side of the feeding pipe orifice, and an upper manhole and a power supply junction box are arranged on the liquid inlet pipe orifice; the upper middle position of the upper end enclosure is provided with a double-row pipe orifice, and the outer side of the double-row pipe orifice is provided with a top manhole.
As a further aspect of the present invention: three purposes of water outlet when the three-purpose pipe orifice operates, water inlet when back flushing and emptying when overhauling are achieved; the double-row pipe orifice has two purposes of oil discharge during operation and sewage discharge during backwashing.
As a further aspect of the present invention: the lower end of the supporting cylinder is provided with a semicircular hole, the number of the semicircular holes is n multiplied by 2, the number of the semicircular holes is equal to the number of the semicircular holes, the circumference of the semicircular holes is uniformly distributed, n is more than 1, and the upper part of the supporting cylinder is provided with a pressure relief hole.
As a further aspect of the present invention: the lower part of the swirler is a cone, and the center of the bottom of the cone is provided with a sludge discharge port which is connected with a sludge discharge pipe port of the tank through a sludge discharge conduit; a straight cylinder is welded on the conical cylinder, a liquid inlet is arranged on the tangent line of the upper cylinder wall of the straight cylinder, and the liquid inlet is connected with a liquid inlet pipe orifice of the tank through a liquid inlet conduit; the straight cylinder is welded with a bucket cylinder.
As a further aspect of the present invention: the electric absorber is in a multilayer annular shape and consists of an electrode fixing frame and an electrode annular plate, the cathodes and the anodes of the polar plates are alternately arranged, and the power supply can automatically change direction in the operation process.
As a further aspect of the present invention: an anode rod body of the electric cation-eliminating water treatment device is inserted into the annular space between the support cylinder and the lower end enclosure, and a cathode is arranged on the tank wall at the root part of the anode rod body.
As a further aspect of the present invention: the upper end and the lower end of the tank cylinder are respectively provided with an upper seal head and a lower seal head to form a vertical circular tank body.
The utility model has the advantages of it is following: the multiple functions of air floatation oil removal, electro-adsorption hardness reducing and glue gathering, electro-air floatation oil removal, filtration and purification, electric scale prevention, electric sterilization and electric corrosion inhibition are integrated in one treatment tank, so that the sewage treatment process is greatly simplified; in the treatment process, only gas and electricity are used without adding chemicals, so that the device is green, environment-friendly, safe and pollution-free, small in size, low in gas consumption, low in energy consumption, low in operating cost and good in treatment effect, and the problem that the sewage treatment in the oil field is not up to the standard is effectively solved.
Drawings
FIG. 1 is a view showing the outer shape of a can body according to the present invention;
FIG. 2 is an internal structure view of the tank of the present invention;
FIG. 3 is an external view of the supporting cylinder of the present invention;
FIG. 4 is an external view of the vortex apparatus of the present invention;
FIG. 5 is a schematic view of the electric absorber of the present invention;
in the figure, 1, a support leg, 2, a lower end socket, 3, a tank barrel, 4, a discharge pipe orifice, 5, a lower manhole, 6, a liquid inlet pipe orifice, 7, an upper manhole, 8, an upper end socket, 9, a double-row pipe orifice, 10, a top manhole, 11, a power supply junction box, 12, a material inlet pipe orifice, 13, an electric cation water removal processor, 14, a sludge discharge pipe orifice, 15, a bottom manhole, 16, a three-way pipe orifice, 17, a support barrel, 18, a lower sieve plate, 19, a vortex device, 20, an upper sieve plate, 21, a liquid inlet pipe, 22, an electric absorber, 23, a filter material, 24, an anode rod body, 25, a sludge discharge pipe, 26, a conical barrel, 27, a straight barrel, 28, 29, a bucket barrel, 30, a sludge discharge port, 31, a semicircular hole, 32 a pressure relief hole, 33, an electrode fixing frame and 34.
Detailed Description
The invention is explained in further detail below with reference to the figures and the embodiments.
An integrated physical oilfield water treatment device comprises a lower end enclosure 2, a tank barrel 3, an upper end enclosure 8, an electric cation and water elimination treatment device 13, a support barrel 17, a lower sieve plate 18, a vortex device 19, an upper sieve plate 20, a liquid inlet conduit 21, an electric adsorber 22, a filter material 23, an anode rod body 24 and a mud discharge conduit 25; the upper end and the lower end of the tank cylinder 3 are respectively provided with an upper seal head 8 and a lower seal head 2, the center in the lower seal head 2 is provided with a supporting cylinder 17, and an anode rod body 24 is arranged in an annular space between the supporting cylinder and the lower seal head 2; a vortex device 19 is arranged on the supporting cylinder, a lower sieve plate 18 is arranged on the outer surface of the vortex device 19 and the ring surface below the discharge pipe opening 4 and the lower manhole 5 of the tank body, a liquid inlet conduit 21 is arranged in the cylinder section of the vortex device 19, an upper sieve plate 20 is arranged on the ring surface below the liquid inlet conduit 21, and a filter material 23 is arranged in the annular space between the lower sieve plate 18 and the upper sieve plate 20; an electric adsorber 22 is arranged on the annular space of the liquid inlet conduit 21 and outside the straight cylinder 27 end of the swirler 19.
The bottom of the lower end enclosure 2 is provided with a support leg 1, the middle position of the bottom of the lower end enclosure 2 is provided with a three-way pipe orifice 16, the outer side of the three-way pipe orifice 16 is provided with a bottom manhole 15, the upper side of the bottom manhole 15 is provided with a sludge discharge pipe orifice 14, and the upper side of the sludge discharge pipe orifice 14 is provided with an electrodeionization cation water treatment device 13; a discharge pipe orifice 4 and a lower manhole 5 are arranged at the middle lower part outside the tank barrel 3, a feed pipe orifice 12 is arranged at the middle upper part outside the tank barrel 3, a liquid inlet pipe orifice 6 is arranged at the upper side of the feed pipe orifice 12, and an upper manhole 7 and a power supply junction box 11 are arranged on the liquid inlet pipe orifice 6; the upper middle position of the upper end enclosure 8 is provided with a double-row pipe opening 9, and the outer side of the double-row pipe opening 9 is provided with a top manhole 10.
The three-purpose pipe orifice 16 has three purposes of water outlet when in operation, water inlet when in back flushing and emptying when in maintenance; the double-drain pipe opening 9 has two purposes of oil discharge during running and sewage discharge during backwashing.
The lower end of the supporting cylinder 17 is provided with a semicircular hole 31, the circumference of the supporting cylinder is evenly distributed by using the number of holes n multiplied by 2, and the like, n is more than 1, and the upper part of the supporting cylinder 17 is provided with a pressure relief hole 32.
The lower part of the swirler 19 is a cone cylinder 26, the center of the bottom of the cone cylinder 26 is provided with a sludge discharge port 30 which is connected with the tank sludge discharge pipe port 14 through a sludge discharge conduit 25; a straight cylinder 27 is welded on the conical cylinder 26, a liquid inlet 28 is arranged on the tangent line of the cylinder wall of the straight cylinder 27, and the liquid inlet 28 is connected with the tank liquid inlet pipe mouth 6 through a liquid inlet conduit 21; the bucket cylinder 29 is welded on the straight cylinder 27.
The electric absorber 22 is in a multilayer annular shape and consists of an electrode fixing frame 33 and an electrode annular plate 34, the cathodes and the anodes of the electrode plates are alternately arranged, and the power supply can be automatically switched in the operation process.
An anode rod body 24 of the electric cation and elimination water treater 13 is inserted into the annular space between the support cylinder 17 and the lower seal head 2, and a cathode is arranged on the tank wall at the root of the anode rod body 24.
The upper end and the lower end of the tank barrel 3 are respectively provided with an upper seal head 8 and a lower seal head 2 to form a vertical circular tank body.
The utility model relates to a working principle process of an integrated physical oil field water treatment device, which only adds gas and electricity without adding chemicals in the treatment process. Dissolved gas sewage firstly enters a vortex device through a liquid inlet pipe orifice, a liquid inlet guide pipe and a liquid inlet, oil gas is moved inwards circularly through centrifugal force generated by vortex rotation, the oil gas floats upwards to the top of the tank under the action of gas buoyancy after moving to the center, and the oil gas is discharged from a double-row pipe orifice on the top of the tank to be recovered into an oil recovery tank (the oil recovery tank is not shown); meanwhile, heavy silt sinks along the cylinder wall and enters the conical cylinder to be discharged into a sewage disposal pool (the sewage disposal pool is not shown) through the sludge discharge port, the sludge discharge guide pipe and the sludge discharge pipe port; the water and the suspended substances spirally go upward to a bucket barrel mouth and are redirected to go downward to enter an electric absorber; the above process is to remove floating oil, dispersed oil and silt.
Then, water and suspended matter enter an electric adsorber for electro-adsorption, in the electric adsorber, anode matter moves to a cathode plate, cathode matter moves to an anode plate, and the adsorption is saturated and then is removed by reversing the power supply; simultaneously, hydrogen is separated out from the negative plate, chlorine, oxygen and chlorine dioxide are separated out from the positive plate, and the gases discharge the non-polar substance floating tank top in the carried water and the oil gas of air floatation into the oil receiving tank together, so that secondary air floatation is completed; in the process, emulsified oil is mainly broken, hardness is reduced, and colloid is removed.
Then, the water and the residual substances enter the filter layer downwards for filtration, and the filter layer retains the particles which can be trapped; the remaining oil and suspended matter are removed during this process by adsorptive coalescing filtration.
Then, the filtered water is subjected to discharge treatment when passing through an electric cation elimination water treatment device, water cations are eliminated by electrons, so that the cations are changed into non-polar molecules, no cations reach a cathode on the surface of the steel body to obtain electrons, therefore, the cathode of the steel body is not lost, no metal ions fall off from the anode of the steel body, and the steel body is not corroded; meanwhile, after the metal cations are changed into nonpolar molecules, the metal cations are not combined with hydroxide radicals and acid radicals to generate alkali and salt, and the alkali and the salt are not separated out, so that water does not scale; meanwhile, electrons enter the bacteria to change the electronic structure in the bacteria, so that broken bonds are broken to kill the bacteria; in this treatment process, scale prevention, sterilization and corrosion inhibition are mainly performed. The treated water is discharged from the three-purpose pipe orifice at the bottom of the tank, thereby completing the whole treatment of the device.
In addition, in order to ensure that the device can effectively treat for a long time, a discharging pipe orifice is arranged on the middle lower tangent line at one side of the tank cylinder, and a feeding pipe orifice is arranged on the middle upper tangent line at the other side of the tank cylinder; the central line in the discharge pipe is parallel to the central line of the feeding pipe opening, the directions are the same, and the height difference is more than or equal to 0.5 m; the tank is equipped with a feed and circulating filter material device (not shown) for scrubbing the filter material during feed and backwash.
The foregoing is a preferred embodiment of the present invention, and for those skilled in the art to understand the teaching of the present invention, the changes, modifications, replacements and variations to the embodiments will still fall within the protection scope of the present invention without departing from the principle and spirit of the present invention.

Claims (8)

1. An integrated physical oilfield water treatment device is characterized in that: comprises a lower end enclosure (2), a tank cylinder (3), an upper end enclosure (8), an electric cation and water elimination treatment device (13), a support cylinder (17), a lower sieve plate (18), a vortex device (19), an upper sieve plate (20), a liquid inlet conduit (21), an electric absorber (22), a filter material (23), an anode rod body (24) and a sludge discharge conduit (25); an upper end enclosure (8) and a lower end enclosure (2) are respectively arranged at the upper end and the lower end of the tank barrel (3), a support barrel (17) is arranged at the center in the lower end enclosure (2), and an anode rod body (24) is arranged in an annular space between the support barrel and the lower end enclosure (2); a vortex device (19) is arranged on the support cylinder, a lower sieve plate (18) is arranged on the outer side of the vortex device (19) and the ring surface below the discharge pipe opening (4) and the lower manhole (5) of the tank body, a liquid inlet conduit (21) is arranged in the cylinder section of the vortex device (19), an upper sieve plate (20) is arranged on the ring surface below the liquid inlet conduit (21), and a filter material (23) is arranged in the annular space between the lower sieve plate (18) and the upper sieve plate (20); an electric adsorber (22) is arranged in an annular space on the liquid inlet conduit (21) and outside the straight cylinder (27) end of the vortex device (19).
2. The integrated physical oilfield water treatment device of claim 1, wherein: the bottom of the lower end enclosure (2) is provided with a support leg (1), the middle position of the bottom of the lower end enclosure (2) is provided with a three-way pipe orifice (16), the outer side of the three-way pipe orifice (16) is provided with a bottom manhole (15), the upper side of the bottom manhole (15) is provided with a sludge discharge pipe orifice (14), and the upper side of the sludge discharge pipe orifice (14) is provided with an electrodeionization cation water processor (13); a discharge pipe orifice (4) and a lower manhole (5) are arranged at the middle lower part outside the tank barrel (3), a feed pipe orifice (12) is arranged at the middle upper part outside the tank barrel (3), a liquid inlet pipe orifice (6) is arranged at the upper side of the feed pipe orifice (12), and an upper manhole (7) and a power supply junction box (11) are arranged on the liquid inlet pipe orifice (6); the upper middle position of the upper end enclosure (8) is provided with a double-row pipe orifice (9), and the outer side of the double-row pipe orifice (9) is provided with a top manhole (10).
3. The integrated physical oilfield water treatment device of claim 2, wherein: the three-purpose pipe orifice (16) has three purposes of water outlet when in operation, water inlet when in back flushing and emptying when in maintenance; the double-row pipe opening (9) has two purposes of oil discharge during running and sewage discharge during backwashing.
4. The integrated physical oilfield water treatment device of claim 1, wherein: the lower end of the supporting cylinder (17) is provided with a semicircular hole (31), the circumference of the supporting cylinder is evenly distributed by using the number of holes n multiplied by 2, and the like, n is more than 1, and the upper part of the supporting cylinder (17) is provided with a pressure relief hole (32).
5. The integrated physical oilfield water treatment device of claim 1, wherein: the lower part of the swirler (19) is a cone cylinder (26), the center of the bottom of the cone cylinder (26) is provided with a sludge discharge port (30) which is connected with a sludge discharge pipe port (14) of the tank through a sludge discharge conduit (25); a straight cylinder (27) is welded on the conical cylinder (26), a liquid inlet (28) is arranged on the tangent line of the upper cylinder wall of the straight cylinder (27), and the liquid inlet (28) is connected with a liquid inlet pipe orifice (6) of the tank through a liquid inlet conduit (21); a bucket cylinder (29) is welded on the straight cylinder (27).
6. The integrated physical oilfield water treatment device of claim 1, wherein: the electric absorber (22) is in a multilayer annular shape and consists of an electrode fixing frame (33) and an electrode annular plate (34), the cathodes and the anodes of the electrode plates are alternately arranged, and the power supply can automatically change direction in the operation process.
7. The integrated physical oilfield water treatment device of claim 1, wherein: an anode rod body (24) of the electric cation and water elimination water treatment device (13) is inserted into the annular space in the supporting cylinder (17) and the lower end enclosure (2), and a cathode is arranged on the tank wall at the root part of the anode rod body (24).
8. The integrated physical oilfield water treatment device of claim 1, wherein: the upper end and the lower end of the tank cylinder (3) are respectively provided with an upper seal head (8) and a lower seal head (2) to form a vertical circular tank body.
CN201920859044.8U 2019-06-10 2019-06-10 Integrated physical method oilfield water treatment device Active CN210505888U (en)

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Application Number Priority Date Filing Date Title
CN201920859044.8U CN210505888U (en) 2019-06-10 2019-06-10 Integrated physical method oilfield water treatment device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112408669A (en) * 2020-11-30 2021-02-26 海南儋州雅惠科技有限公司 Device and method for removing anions in electric disinfection
CN114163026A (en) * 2021-12-20 2022-03-11 山东海吉雅环保设备有限公司 Impact-resistant fine filtering device capable of adding chemicals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112408669A (en) * 2020-11-30 2021-02-26 海南儋州雅惠科技有限公司 Device and method for removing anions in electric disinfection
CN114163026A (en) * 2021-12-20 2022-03-11 山东海吉雅环保设备有限公司 Impact-resistant fine filtering device capable of adding chemicals

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