CN219156734U - Micro-rotation oil removal water purification device - Google Patents

Abstract

The utility model discloses a micro-rotation floating oil removal water purification device which is a vertical circular tank, wherein the tank is internally divided into three treatment cavities from top to bottom, an oil removal cavity at the upper part, a mud forming cavity at the middle and outer parts and a mud removal cavity at the inner and lower parts; the liquid flow in the oil removing cavity is redirected, negative pressure is generated by spraying of a turbulence generator to remove suspended oil, vortex centrifugation is carried out to remove dispersed oil, an electric cation elimination processor reduces and breaks emulsified particles to remove emulsified oil, and a micro-suspension generator micro-vortex air floatation is carried out to remove dissolved oil; the micro-suspension generator downwards mixes the micro-particles into small particles in the mud forming cavity through the micro-suspension pipe, and the hollow suspension ball sucks and agglomerates the small particles into large particles or mud blocks; the mud is settled to the bottom of the tank and discharged from the mud discharging pipe orifice by the inertia and gravity generated by water flow redirection and speed reduction in the mud removing cavity; the device has the advantages of multiple functions, strong pertinence, no medicine addition, continuous closed operation, no back flushing, energy conservation, synergy, no volatilization of VOCs, no sewage landing, safe operation, environmental protection and no pollution.

Description

Micro-rotation oil removal water purification device

Technical Field

The utility model relates to the technical field of oily sewage treatment, in particular to a micro-rotation floating oil removal water purification device.

Background

At present, the oil field has more oil removal treatment devices for oily sewage, and the oil removal of high-oil-content sewage is carried out by adopting an air flotation oil removal device, a large tank sedimentation oil removal device and a three-phase separator oil removal device; the existing oil-water separation device has the disadvantages of large volume, large occupied area, long treatment time and poor treatment effect; the low-turbidity oily sewage treated by the device is subjected to activated carbon adsorption and membrane ultrafiltration or microbial degradation and membrane ultrafiltration, so that the factors such as long flow, large reflux quantity, low efficiency, unstable effect and the like are inconvenient to manage on site; the processes are mostly open processes, so that the defects of difficult sealing, easy volatilization of VOCs, environmental pollution and the like are overcome; in addition, the technical treatment process also has the problem of resource waste. In order to simplify the oilfield water treatment process, a simple, practical, multifunctional and efficient integrated non-dosing standard treatment device capable of adaptively treating high and low oily sewage is developed, and is an urgent need for oilfield oily sewage treatment, and the utility model is based on the utility model patent application name of 2022, 9 and 8-month application: a micro-rotation oil removal and water purification method, the application number is: 202211187816.0, in combination with Chinese patent, patent name: turbulent air floatation oil removal and water purification device and patent number: 201920103689.9, the field trial proves that the oil and water purifying device meets the water treatment requirement of the oil field.

Disclosure of Invention

The utility model aims to provide a micro-rotation oil removal water purification device so as to solve the technical problems.

The utility model adopts the following technical scheme for realizing the purposes:

the micro-rotation oil and water purifying device comprises a tank body, wherein a tank bottom of the tank body is welded with a tank section, the bottom of the tank section is welded with a water outlet pipe orifice, a water collecting pipe is welded on the water outlet pipe orifice, a water collecting bucket is welded on the upper opening of the water collecting pipe, and the water collecting pipe and the water collecting bucket are inserted into the middle upper part of a small top cylinder of a cap type sedimentation cylinder; the outer annular space of the water collecting pipe and the water collecting bucket is provided with a cap type sedimentation cylinder; an annular lower pore plate is arranged between the large barrel lower opening of the cap-type sedimentation barrel and the inner wall of the tank, and a secondary electric cation elimination anode rod is arranged below the annular lower pore plate; the crown of the hat-shaped sedimentation cylinder and the lower center circle horizontal plane of the micro-suspension generator are centered and welded to form a convex mud removing cavity;

an annular upper pore plate is arranged on the outer platform cylinder of the cap-type sedimentation cylinder and the inner wall of the tank body, and a suspension ball is arranged in an annulus between the annular lower pore plate and the annular upper pore plate; the top of the cap-type sedimentation cylinder is horizontally provided with a micro-suspension generator which is separated from the upper mud removing cavity and forms a mud forming cavity with a lower ring shape;

the center of the micro-suspension generator is provided with a turbulence generator, a liquid inlet on the turbulence generator is welded with a liquid inlet pipe orifice on the top of the tank body in a centering way, the outer ring of the turbulence generator and the inner wall of the tank above the micro-suspension generator are provided with a primary electro-cationic anode rod, and the micro-suspension generator is separated from a mud forming cavity and a mud removing cavity at the lower part to form a hemispherical oil removing cavity at the upper part.

Preferably, the side wall of the cylinder section is welded with a mud discharging pipe orifice; a bottom manhole is welded on the lower sealing head on the shell ring, and a second-level electric cation elimination power supply box is arranged outside the tank body on the bottom manhole; a lower manhole is welded on the lower part of the tank barrel and the tank wall on the annular lower pore plate in the tank body; an upper manhole is welded on the tank wall between the annular upper pore plate in the tank body and the micro-suspension generator; the tank wall at the outer side of the middle upper part of the in-tank micro-suspension generator is welded with an air-entraining pipe orifice; a liquid inlet pipe orifice is welded at the center of the top of the tank body, a top manhole is welded on the circumference of an upper end enclosure outside the liquid inlet pipe orifice, and an oil discharge pipe orifice is welded on a cylindrical shell of the top manhole; a primary electric cation elimination power supply box is arranged outside the tank wall above the micro-suspension generator in the tank body.

Preferably, the tank is welded to the legs.

Compared with the prior art, the utility model has the following advantages: the device has the advantages of multiple functions, wide application range, small processing unit, high processing efficiency and precision, no back washing regeneration and continuous operation management; only air is added and no medicine is added in the operation process, so that the method is environment-friendly, safe, pollution-free, low in energy consumption and low in operation cost; in addition, the resource saving effect is good, the reclaimed oil has no medicament or impurity, is convenient to use and has remarkable synergy; the oil removal and water purification effects are better than those of the existing other air floatation treatment devices, the integrated generation of multiple stages and one tank of multiple functions are realized, the sewage treatment flow is greatly simplified, and the oil content of the effluent can be controlled to be less than or equal to 1mg/L.

Drawings

FIG. 1 is a schematic illustration of the exterior of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of a portion of a degreasing chamber;

FIG. 4 is a partial schematic view of a mud forming cavity;

FIG. 5 is a partial schematic view of a mud removal chamber;

FIG. 6 is a schematic view of the internal structure of the suspended argillaceous filter layer of the present utility model;

in the figure: 1. the device comprises a support leg, a cylindrical shell, a bottom manhole, a lower manhole, a tank body, an upper manhole, a top manhole, an oil discharge pipe orifice, a liquid inlet pipe orifice, a primary electric eliminating cation power supply box, an air charging pipe orifice, a secondary electric eliminating cation power supply box, a mud discharge pipe orifice, a water outlet pipe orifice, a circular lower orifice plate, a water collecting pipe, a cap sedimentation cylinder, a water collecting bucket, a turbulence generator, a primary electric eliminating cation anode rod, a micro-suspension generator, a circular upper orifice plate, a suspension ball, a secondary electric eliminating cation anode rod and a suspended mud filtering layer.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples.

The micro-rotation oil and water purifying device comprises a tank body 5, wherein the tank body 5 is welded on a supporting leg 1, a cylinder section 2 is welded at the tank bottom of the tank body 5, a water outlet pipe orifice 14 is welded at the bottom of the cylinder section 2, and a mud discharge pipe orifice 13 is welded on the side wall of the cylinder section 2; a bottom manhole 3 is welded on the lower sealing head on the shell ring, and a secondary electric cation elimination power box 12 is arranged outside the tank body 5 on the bottom manhole 3; a lower manhole 4 is welded on the lower part of the tank barrel and the tank wall on the annular lower pore plate in the tank body 5; an upper manhole 6 is welded on the tank wall between the annular upper pore plate in the tank body 5 and the micro-suspension generator; the wall of the tank outside the middle upper part of the in-tank micro-suspension generator is welded with an air-entraining pipe orifice 11; a liquid inlet pipe orifice 9 is welded at the top center of the tank body 5, a top manhole 7 is welded on the circumference of an upper end enclosure outside the liquid inlet pipe orifice 9, and an oil discharge pipe orifice 8 is welded on a cylindrical shell of the top manhole 7; a primary electric cation eliminating power box 10 is arranged outside the tank wall above the micro-suspension generator in the tank body 5.

A water collecting pipe 16 is welded on the water outlet pipe orifice 14, a water collecting bucket 18 is welded on the upper opening of the water collecting pipe 16, and the water collecting pipe 16 and the water collecting bucket 18 are inserted into the middle upper part of the small top cylinder of the cap-type sedimentation cylinder 17; the outer annular spaces of the water collecting pipe 16 and the water collecting bucket 18 are provided with cap-type sedimentation cylinders 17; an annular lower orifice plate 15 is arranged between the large barrel lower opening of the cap-type sedimentation barrel 17 and the inner wall of the tank, and a secondary electric cation elimination anode rod 24 is arranged below the annular lower orifice plate 15; the crown of the hat-shaped sedimentation cylinder 17 and the horizontal plane of the center circle under the micro-suspension generator 21 are centered and welded to form a convex mud removing cavity;

an annular upper orifice plate 22 is arranged on the outer platform cylinder of the cap-type sedimentation cylinder 17 and on the inner wall of the tank body, and a suspension ball 23 is arranged in the annulus between the annular lower orifice plate 15 and the annular upper orifice plate 22; the top of the cap type sedimentation cylinder 17 is horizontally provided with a micro-suspension generator 21, and the micro-suspension generator 21 is separated from the upper mud removing cavity and forms a mud forming cavity with a lower ring;

the center of the micro-suspension generator 21 is provided with a turbulence generator 19, a liquid inlet on the turbulence generator 19 is welded with a liquid inlet pipe orifice 9 on the top of the tank body 5 in a centering way, the outer ring of the turbulence generator 19 and the inner wall of the tank above the micro-suspension generator 21 are provided with a primary electro-cationic anode rod 20, and the micro-suspension generator 21, a mud forming cavity and a mud removing cavity at the lower part are separated to form a hemispherical oil removing cavity at the upper part.

In the degreasing cavity: firstly, removing suspended oil by negative pressure generated by spraying dissolved gas sewage by a turbulence generator; tangential liquid flow sprayed by the turbulence generator and centrifugal force generated by vortex generated by the circular wall in the tank body remove dispersed oil; thirdly, releasing electrons into vortex liquid flow by the electric cation elimination water processor, reducing and cracking emulsified particles by using electrons to remove emulsified oil, and fourthly, removing dissolved oil upwards by micro-suspension generated by the micro-suspension generator; the four oil removing steps are strong in pertinence and good in oil removing effect, and the separated oil in the oil removing cavity floats upwards to be discharged and recovered from the oil discharging pipe orifice, so that the oil removing process is completed. Meanwhile, the electric cation-eliminating water treater has the functions of scale prevention, scale removal, sterilization, deoxidization and corrosion inhibition.

In the mud forming cavity: firstly, micro particles are mixed and coagulated into small particles through a micro suspension pipe of a micro suspension generator, then the small particles are sucked and agglomerated into large particles or become mud blocks through a hollow suspension ball at the lower part, and then the mud blocks are collided and separated from each other to sink, so that the mud forming treatment process is completed.

In the mud removing cavity: the liquid flow after mud forming downwards passes through an annular lower pore plate, then is redirected into a cap type sedimentation cylinder, is slowed down upwards, and is subjected to sedimentation to a mud discharge pipe orifice of the bottom of the tank for sedimentation purification by inertia and gravity generated by redirection and deceleration; meanwhile, the heights of the tank body, the desilting cavity, the cap-type sedimentation cylinder and the water collecting pipe can be increased, so that the thickness of the suspended argillaceous layer 25 is increased, the suspended argillaceous filter can be used as a suspended argillaceous filter, the water purifying effect can be further improved, and filtered and settled water is discharged from the cap-type sedimentation cylinder upwards from the small cylinder inner water collecting bucket at the top to be reused or reprocessed through the water collecting pipe and the water outlet pipe orifice. Besides the functions of scale prevention, scale removal, sterilization, deoxidization and corrosion inhibition, the secondary electric cation water treatment device can also crack and carbonize organic matters in the sludge to reduce the content of the organic matters in the sludge so as to achieve the standard discharge (oil content in water is less than or equal to 1mg/L and oil content in the sludge is less than or equal to 0.1 percent), thereby completing the treatment process of micro-rotation floating oil removal and water purification and mud purification.

The utility model is a closed treatment device, can inhibit the pollution of VOCs to the environment caused by volatilization, can recycle the crude oil without medicament impurities, has obvious income and cost saving, can prevent the pollution of residual oil discharge to the environment, can be widely used for high-precision effluent oil removal and purification of oily sewage, and can also be used for turbidity reduction treatment of sewage. The integrated generation of multiple stages and one tank of multiple functions of the device are realized, and the sewage treatment process is greatly simplified.

The foregoing is a preferred embodiment of the present utility model, and it will be apparent to those skilled in the art from this disclosure that changes, modifications, substitutions and alterations can be made without departing from the principles and spirit of the utility model.

Claims (3)

1. The micro-rotation oil and water purifying device is characterized by comprising a tank body (5), wherein a tank bottom of the tank body (5) is welded with a tank shell (2), the bottom of the tank shell (2) is welded with a water outlet pipe orifice (14), a water collecting pipe (16) is welded on the water outlet pipe orifice (14), a water collecting bucket (18) is welded on the upper opening of the water collecting pipe (16), and the water collecting pipe (16) and the water collecting bucket (18) are inserted into the middle upper part of a small top cylinder of a cap type sedimentation cylinder (17); the outer annular space of the water collecting pipe (16) and the water collecting bucket (18) is provided with a cap type sedimentation cylinder (17); an annular lower pore plate (15) is arranged between the large barrel lower opening of the cap-type sedimentation barrel (17) and the inner wall of the tank, and a secondary electric cation elimination anode rod (24) is arranged below the annular lower pore plate (15); the crown of the hat type sedimentation cylinder (17) and the lower center circle horizontal plane of the micro-suspension generator (21) are centered and welded to form a convex mud removing cavity;

an annular upper pore plate (22) is arranged on the outer platform cylinder of the cap type sedimentation cylinder (17) and the inner wall of the tank body, and a suspension ball (23) is arranged in an annulus between the annular lower pore plate (15) and the annular upper pore plate (22); the top of the cap-type sedimentation cylinder (17) is horizontally provided with a micro-suspension generator (21), and the micro-suspension generator (21) is separated from the upper mud removing cavity and forms a mud forming cavity with a lower ring;

the center of the micro-suspension generator (21) is provided with a turbulence generator (19), a liquid inlet on the turbulence generator (19) is welded with a liquid inlet pipe orifice (9) on the top of the tank body (5) in a centering way, the outer ring of the turbulence generator (19) is provided with a primary electro-cationic anode rod (20) on the inner wall of the tank above the micro-suspension generator (21), and the micro-suspension generator (21) is separated from a mud forming cavity and a mud removing cavity at the lower part to form a hemispherical oil removing cavity at the upper part.

2. The micro-rotation oil and water purification device according to claim 1, wherein a mud discharging pipe orifice (13) is welded on the side wall of the cylinder section (2); a bottom manhole (3) is welded on the lower seal head on the shell ring, and a secondary electric cation elimination power supply box (12) is arranged outside the tank body (5) on the bottom manhole (3); a lower manhole (4) is welded on the lower part of the tank barrel and the tank wall on the annular lower pore plate in the tank body (5); an upper manhole (6) is welded on the tank wall between the annular upper pore plate in the tank body (5) and the micro-suspension generator; the tank wall at the upper part of the micro-suspension generator in the tank is welded with an air filling pipe orifice (11); a liquid inlet pipe orifice (9) is welded at the top center of the tank body (5), a top manhole (7) is welded on the circumference of an upper end enclosure outside the liquid inlet pipe orifice (9), and an oil discharge pipe orifice (8) is welded on a cylindrical shell of the top manhole (7); a primary electric cation elimination power box (10) is arranged outside the tank wall above the micro-suspension generator in the tank body (5).

3. A micro-rotation oil and water purification device as claimed in claim 1, wherein the tank (5) is welded to the support leg (1).

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