CN214031828U - Ternary combination flooding oily sewage treatment device - Google Patents

Abstract

An oil-containing sewage treatment device for ASP flooding, which belongs to the technical field of oil development. The air compressor air outlet end is provided with an air supply pipe arranged in an air charging tank, the discharge end of the air charging tank is provided with a releaser arranged in a reaction tank, the upper end of the air charging tank is provided with a driving motor connected with a driving bevel gear, the driving bevel gear is connected with two driven bevel gears, the driven bevel gears are respectively connected with an inner rotating shaft and an outer rotating shaft, the outer rotating shaft is rotatably sleeved on the outer side of the inner rotating shaft, the lower ends of the outer rotating shaft and the inner rotating shaft are both arranged in the air charging tank and are respectively fixedly connected with a plurality of stirring paddles, and the stirring paddles are matched with the air supply pipe. The utility model increases the contact area between water and air bubbles and improves the water gas dissolving effect through a plurality of reversely rotating stirring paddles and an air compressor; the water content of the collected oil is low, the product quality is good, and the product quality is improved.

Description

Ternary combination flooding oily sewage treatment device

Technical Field

The utility model relates to an oil-containing sewage treatment plant is driven to three-component composite belongs to oil development technical field.

Background

In the middle and later periods of crude oil production, the water content in produced liquid can be greatly improved and can generally reach more than 80-90% of the flow of the produced liquid. In order to improve the recovery efficiency, the oil is extracted from the oil reservoir by using a polymer + alkali + surfactant by adopting an ASP flooding technology. The recovery liquid is a complex oil-water system, the emulsification is serious, the oil and water are difficult to naturally settle and separate, the particle size of oil drops in the sewage is small, wherein the particle size of the oil drops is less than 10 micrometers and accounts for more than 90 percent, and the median of the particle size of the oil drops is generally 3-6 micrometers.

At present, a dissolved air flotation device is mostly used for treating oily sewage, but the existing dissolved air flotation device has poor dissolved air effect inside an aeration tank, so that the wastewater treatment effect is poor; meanwhile, the water content of the oil product collected by the oil collecting device of the existing dissolved air type air flotation device is still high, and the product quality is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists in the background art, the utility model provides an oil-containing sewage treatment plant is driven to three-element composite.

The purpose is achieved, the utility model adopts the following technical proposal: a ternary combination drive oily sewage treatment device comprises an air compressor, an air supply pipe, an inflation tank, a releaser, a reaction tank, a driving motor, a driving bevel gear, an outer rotating shaft, an inner rotating shaft, two driven bevel gears and a plurality of stirring paddles; an air supply pipe is arranged at the air outlet end of the air compressor and is arranged in an inflation tank, a releaser is arranged at the discharge end of the inflation tank and is arranged in the reaction tank; the upper end of aeration tank is equipped with driving motor, driving motor's output shaft and the coaxial fixed connection of the initiative bevel gear of vertical setting, initiative bevel gear and two driven bevel gear that the level set up side by side from top to bottom are all engaged with and are connected, are located the upper end driven bevel gear and the coaxial fixed connection of the interior pivot of vertical setting, the driven bevel gear that is located the lower extreme and the coaxial fixed connection of the outer pivot of vertical setting, the outer pivot rotates the outside of pivot including the suit, and the lower extreme of outer pivot and interior pivot all sets up in aeration tank, and respectively with a plurality of stirring rake fixed connection, a plurality of stirring rakes and give the trachea cooperation setting.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model increases the contact area between water and air bubbles and improves the water gas dissolving effect through a plurality of reversely rotating stirring paddles and an air compressor;

2. the water content of the oil collected by the collecting mechanism is low, and the product quality is good;

3. the utility model discloses purify the air, guaranteed the quality of dissolving the air water, improved the quality of product then.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of the collection mechanism;

FIG. 3 is a schematic view of the attachment of the squeegee;

fig. 4 is a schematic structural view of the air cleaning mechanism.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1:

a ternary combination drive oily sewage treatment device comprises an air compressor 1, an air supply pipe 2, an aeration tank 3, a releaser 4, a reaction tank 5, a driving motor 9, a driving bevel gear 10, an outer rotating shaft 12, an inner rotating shaft 13, two driven bevel gears 11 and a plurality of stirring paddles 14; an air supply pipe 2 is arranged at an air outlet end of the air compressor 1, the air supply pipe 2 is arranged in an inflation tank 3 with an inlet pipe, a releaser 4 is arranged at a discharge end of the inflation tank 3, and the releaser 4 is arranged in a reaction tank 5; the upper end of the inflatable tank 3 is provided with a driving motor 9 which is horizontally arranged, the output shaft of the driving motor 9 is coaxially and fixedly connected with a driving bevel gear 10 which is vertically arranged, the driving bevel gear 10 is meshed with two driven bevel gears 11 which are horizontally arranged in parallel up and down, the driven bevel gear 11 which is arranged at the upper end is coaxially and fixedly connected with an inner rotating shaft 13 which is vertically arranged, the driven bevel gear 11 which is arranged at the lower end is coaxially and fixedly connected with an outer rotating shaft 12 which is vertically arranged, the outer rotating shaft 12 is sleeved outside the inner rotating shaft 13 through a bearing in a rotating manner, the lower ends of the outer rotating shaft 12 and the inner rotating shaft 13 are arranged in the inflatable tank 3 and are respectively fixedly connected with a plurality of stirring paddles 14, and the stirring paddles 14 are matched with the air supply pipe 2.

Give trachea 2 along the axial setting of aeration tank 3 for give trachea 2 and the cooperation setting of a plurality of stirring rake 14, increase bubble and the area of contact of feedwater, make the breakage more even, improve the gas dissolving effect of water.

Water flows into the interior of the air charging tank 3 from the water inlet pipe, then the air compressor 1 is opened, the air compressor 1 charges compressed air into the interior of the air charging tank 3 through the air supply pipe 2, the air entering the interior of the air charging tank 3 is discharged in a bubble form, and the air compressor 1 increases the pressure in the interior of the air charging tank, so that the solubility of bubbles in water is increased. Meanwhile, the driving motor 9 is started, the rotation of the output shaft of the driving motor 9 drives the driving bevel gear 10 to rotate, then the two driven bevel gears 11 are driven to rotate, then the inner rotating shaft 13 and the outer rotating shaft 12 are driven to rotate in the opposite direction, and then the stirring paddles 14 on the inner rotating shaft are driven to rotate in the opposite direction, so that the bubble volume is reduced, the contact area of water and bubbles is increased, and the water gas dissolving effect is improved.

The bubbles are dissolved in water to form dissolved gas water, the releaser 4 uniformly releases the dissolved gas water into the oily sewage in the reaction tank 5, and oil drops in the sewage are brought to the liquid level by utilizing the buoyancy of the bubbles, so that solid-liquid separation is realized.

Example 2:

this example differs from example 1 in that:

the upper end of the reaction tank 5 is provided with a collecting mechanism, and the collecting mechanism comprises a stepping motor 15, a ball screw 16, a ball nut 17, two scraping plates 6, two sliding rods 18 and two sliding blocks 19; the ball screw 16 and the two slide bars 18 are horizontally arranged at the top end of the reaction tank 5 in parallel, the two slide bars 18 are arranged at two sides of the ball screw 16, two ends of each slide bar 18 are fixedly connected with the reaction tank 5, each slide bar 18 is slidably sleeved with a slide block 19, the ball screw 16 is sleeved with a ball screw 17, one end of each ball screw is rotatably connected with the reaction tank 5 through a bearing, and the other end of each ball screw is coaxially and fixedly connected with an output shaft of a horizontally arranged stepping motor 15; the stepping motor 15 is connected with the reaction tank 5, and a scraper 6 is arranged between the ball screw 17 and each slide block 19.

The scraper 6 is inserted with the ball screw 17 and the two sliding blocks 19. The opposite faces of the ball screw 17 and the two sliding blocks 19 are correspondingly provided with slots, the two ends of the scraper 6 are provided with convex blocks, and the convex blocks are clamped in the corresponding slots.

The lower extreme of scraper blade 6 is network structure, and network structure can improve the water permeability, reduces the product moisture content.

Example 3:

this example differs from example 2 in that:

air compressor 1's inlet end is equipped with air purification mechanism 7, air purification mechanism 7 is the electrostatic absorption box, the inner chamber of electrostatic absorption box is divided into a plurality of absorption cavities 21 by a plurality of crosswise baffle 20 that set up of indulging, every all be equipped with friction nanometer generator in the absorption cavity 21 and fill and have the polytetrafluoroethylene bobble, the upper end of the relative curb plate of electrostatic absorption box all is equipped with air vent one 22, every the lower extreme of baffle 20 all is equipped with air vent two 23.

The electrostatic adsorption box is made of an insulating material, and the plurality of partition plates 20 are made of a metal material.

The diameter of the polytetrafluoroethylene small ball filled in each adsorption cavity 21 is 1-4 mm.

The lower extreme of electrostatic absorption box is equipped with spring 8, strengthens rocking of electrostatic absorption box through spring 8, improves adsorption efficiency then.

And a filter screen is arranged in each vent hole I22 to primarily filter larger solid impurities.

Be provided with the friction nanometer generator in a plurality of absorption cavities 21 of electrostatic absorption box and fill and have the polytetrafluoroethylene bobble, the friction nanometer generator can turn into the electric energy with mechanical energy (the main source is the rocking that the wind current drove), makes the friction of polytetrafluoroethylene bobble produce the electrostatic field, and then adsorbs the dust in the air, carries out air purification.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. An oil-containing sewage treatment device for three-component combination flooding comprises an air compressor (1), an air supply pipe (2), an inflation tank (3), a releaser (4) and a reaction tank (5); an air supply pipe (2) is arranged at the air outlet end of the air compressor (1), the air supply pipe (2) is arranged in an inflation tank (3), a releaser (4) is arranged at the discharge end of the inflation tank (3), and the releaser (4) is arranged in a reaction tank (5); the method is characterized in that: the device also comprises a driving motor (9), a driving bevel gear (10), an outer rotating shaft (12), an inner rotating shaft (13), two driven bevel gears (11) and a plurality of stirring paddles (14); the upper end of aeration tank (3) is equipped with driving motor (9), the output shaft of driving motor (9) and the coaxial fixed connection of drive bevel gear (10) of vertical setting, drive bevel gear (10) and two driven bevel gear (11) that set up side by side from top to bottom of level are all engaged with and are connected, are located the upper end driven bevel gear (11) and the coaxial fixed connection of interior pivot (13) of vertical setting, driven bevel gear (11) that are located the lower extreme and the coaxial fixed connection of outer pivot (12) of vertical setting, the outside of pivot (13) is including outer pivot (12) rotation suit, and the lower extreme of outer pivot (12) and interior pivot (13) all sets up in aeration tank (3), and respectively with a plurality of stirring rake (14) fixed connection, a plurality of stirring rake (14) and give trachea (2) cooperation setting.

2. The ASP flooding oily sewage treatment device according to claim 1, characterized in that: the air supply pipe (2) is arranged along the axial direction of the inflation tank (3).

3. The ASP flooding oily sewage treatment device according to claim 1 or 2, characterized in that: the upper end of the reaction tank (5) is provided with a collecting mechanism, and the collecting mechanism comprises a stepping motor (15), a ball screw (16), a ball screw nut (17), two scraping plates (6), two sliding rods (18) and two sliding blocks (19); the ball screw (16) and the two slide bars (18) are horizontally arranged at the top end of the reaction tank (5) in parallel, the two slide bars (18) are arranged at two sides of the ball screw (16), two ends of each slide bar are fixedly connected with the reaction tank (5), each slide bar (18) is slidably sleeved with a slide block (19), the ball screw (16) is sleeved with a ball screw (17), one end of each slide bar is rotatably connected with the reaction tank (5), and the other end of each slide bar is coaxially and fixedly connected with an output shaft of the stepping motor (15); and a scraper (6) is arranged between the ball screw nut (17) and each sliding block (19).

4. The ASP flooding oily sewage treatment device according to claim 3, characterized in that: the scraper (6) is inserted with the ball screw (17) and the two sliding blocks (19).

5. The ASP flooding oily sewage treatment device according to claim 4, characterized in that: the lower end of the scraper (6) is of a net structure.

6. The ASP flooding oily sewage treatment device according to claim 1 or 5, characterized in that: the inlet end of air compressor (1) is equipped with air purification mechanism (7), air purification mechanism (7) are the electrostatic adsorption box, the inner chamber of electrostatic adsorption box is divided into a plurality of absorption cavities (21), every by a plurality of crosswise baffle (20) that set up of indulging all be equipped with friction nanometer generator in absorption cavity (21) and fill and have polytetrafluoroethylene bobble, and the upper end of the relative curb plate of electrostatic adsorption box all is equipped with air vent one (22), every the lower extreme of baffle (20) all is equipped with air vent two (23).

7. The ASP flooding oily sewage treatment device according to claim 6, characterized in that: the electrostatic adsorption box is made of an insulating material, and the plurality of partition plates (20) are made of a metal material.

8. The ASP flooding oily sewage treatment device according to claim 7, characterized in that: the diameter of the polytetrafluoroethylene small ball filled in each adsorption cavity (21) is 1-4 mm.

9. The ASP flooding oily sewage treatment device according to claim 7 or 8, characterized in that: the lower end of the electrostatic adsorption box is provided with a spring (8).

10. The ASP flooding oily sewage treatment device according to claim 9, characterized in that: a filter screen is arranged in each vent hole I (22).

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