CN212687622U

CN212687622U - Device for treating oil field wastewater by photocatalysis

Info

Publication number: CN212687622U
Application number: CN202020642969.XU
Authority: CN
Inventors: 付正兵; 雷华东; 雷林; 钱自学; 王涛
Original assignee: Yichang Huansheng Technology Co ltd
Current assignee: Yichang Huansheng Technology Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-03-12
Anticipated expiration: 2030-04-24

Abstract

The utility model provides a device for treating oil field wastewater by photocatalysis, which comprises a mixing tank and a catalysis bin, wherein the mixing tank is communicated with the catalysis bin through a flexible pipe, the catalysis bin is of a transparent flat hollow structure, a connector is arranged on the side surface of the catalysis bin, which is close to one side of the mixing tank, and is connected with the flexible pipe, the other end of the catalysis bin is provided with a connector for discharging, the bottom of the catalysis bin is also provided with a base, the base is hinged with the catalysis bin, and a motor is also arranged inside the base and is used for driving the catalysis bin to rotate; the utility model discloses well catalysis storehouse is transparent dull and stereotyped hollow structure, and is flat after oily waste water and catalyst mixture lay and fill inside the catalysis storehouse, and its acceptable illumination area has obtained very big improvement, and the catalysis storehouse can rotate by relative base, makes its direct alignment sun's direction, lets the sunlight penetrate directly on catalysis storehouse surface, improves the utilization ratio to the light energy, improves the processing speed of reaction efficiency and waste water.

Description

Device for treating oil field wastewater by photocatalysis

Technical Field

The utility model relates to an oil field waste water treatment equipment field, concretely relates to utilize photocatalysis to handle device of oil field waste water.

Background

Petroleum is one of the most critical fuels and chemical raw materials in the world, crude oil inevitably contains certain moisture, enters oil fields in the middle and later stages of petroleum exploitation, the moisture content of the extracted crude oil can reach 70% -80%, the moisture content of some oil fields is even as high as 90%, and a large amount of wastewater is generated after oil-water separation. If the oily wastewater is directly discharged without being treated, the oily wastewater can cause the pollution of soil and water sources, sometimes even can cause fire to threaten the life safety of people, and cause the national economic loss. Therefore, how to achieve the purposes of saving energy, reducing consumption, protecting the environment and recycling water resources while efficiently and economically treating the oil field wastewater becomes an important problem for the reconstruction and establishment of the oil field water treatment station.

At present, the oil field wastewater treatment methods at home and abroad are mainly divided into a physical method, a chemical method and a biological method, the physical method is difficult to treat and reach the standard, the chemical method needs to be additionally added with chemical reagents, the biological method has high maintenance and operation difficulty, the methods have high engineering investment and high treatment cost, and the water quality is difficult to discharge after reaching the standard.

In recent years, a technology for degrading petroleum pollutants through photocatalysis is gradually developed, and the method can efficiently, safely and environmentally degrade and remove residual petroleum in wastewater through a recyclable catalyst under the condition of solar illumination. However, in the existing equipment for degrading petroleum pollutants by photocatalysis, a degradation pool is generally used, and the depth of the degradation pool is considered, so that the bottom of the degradation pool is less in illumination, the reaction efficiency is inevitably reduced, and the integral degradation effect and speed are influenced; in addition, the sunlight can change the angle to irradiate the degradation pool along with the rising and falling of the sun, and when the sunlight is at a low irradiation angle, the unit illumination intensity can also become low, so that the degradation effect is influenced, and therefore, the photocatalytic petroleum wastewater degradation equipment with high efficiency and high degradation rate is needed.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a utilize device of photocatalysis treatment oil field waste water for in solving current oil field waste water treatment, directly place waste water because of using the degradation pond, the degradation effect that leads to is not good, the problem that reaction efficiency is low.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device for treating oil field wastewater by photocatalysis comprises a mixing tank and a catalysis bin, wherein the mixing tank is communicated with the catalysis bin through a flexible pipe, a stirrer driven by a motor is arranged inside the mixing tank, the top of the mixing tank is provided with a plurality of feed inlets, the bottom of the mixing tank is tapered and contracted, and the bottommost end of the mixing tank is provided with a discharge outlet with a valve;

the catalysis storehouse is transparent dull and stereotyped hollow structure, and catalysis storehouse side is provided with two relative connectors, and wherein the connector that is close to blending tank one side links to each other with soft pipe, and the connector of keeping away from the blending tank is used for the ejection of compact, catalysis storehouse below still is equipped with the base, it is articulated between base and the catalysis storehouse for the catalysis storehouse can rotate on vertical face, the inside rotation that still installs the motor and be used for driving the catalysis storehouse of base.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the middle catalysis bin of the utility model is a transparent flat plate hollow structure, when the oily wastewater is mixed with the catalyst and enters the catalysis bin, the oily wastewater is laid flatly and is poured into the catalysis bin, the acceptable illumination area is greatly improved, and the improvement of the photocatalytic reaction efficiency is facilitated;

2. the utility model discloses well catalysis storehouse can rotate by base relatively, makes its direct alignment sun direction, lets the sunlight penetrate directly on catalysis storehouse surface, improves the utilization ratio to the light energy, further strengthens reaction efficiency for the treatment rate to waste water.

Drawings

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

FIG. 2 is a schematic view of the light path between the reflector and the reflector plate according to the present invention;

in the figure: the device comprises a mixing tank 1, a catalysis bin 2, a base 3, a hard tube 4, a soft tube 5, a reflecting cover 6, a reflecting plate 7, a motor 11, a rotating shaft 12, a stirring blade 13, a feeding hole 14, a discharging hole 15, a connector 21 and a support rod 71; wherein the straight line with the arrow is the direction of the light path.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

Example (b):

as shown in figure 1, the utility model provides a utilize device of photocatalysis treatment oil field waste water, including blending tank 1 and catalysis storehouse 2, blending tank 1 passes through pipeline and 2 intercommunications in catalysis storehouse, at first 1 inside with materials such as waste water and catalyst stirring in blending tank, then transports catalysis storehouse 2 in and carries out the catalytic degradation reaction.

In the embodiment, the mixing tank 1 is of a cylindrical structure, the bottom of the mixing tank 1 is tapered and contracted, and the bottommost end of the mixing tank is provided with a discharge hole 15 with a valve; the agitator driven by motor 11 is equipped with in 1 inside of blending tank, and a plurality of feed inlets 14 have been seted up at 1 top of blending tank, let in oil field waste water and catalyst respectively through feed inlet 14 after 1 blending tank, start motor 11 and pass through the agitator with raw materials stirring. In a preferred scheme, the stirrer comprises a rotating shaft 12 which is coaxially arranged with the mixing tank 1, and a plurality of inclined stirring blades 13 are arranged on the rotating shaft 12.

The catalysis bin 2 is a transparent flat plate hollow structure, two connectors 21 are oppositely arranged on the side surface of the catalysis bin 2, wherein the connector 21 close to one side of the mixing tank 1 is connected with the soft pipe 5, and the connector 21 far away from one side of the mixing tank 1 is connected with other pipelines for discharging; in the preferred scheme, still be provided with hard pipe 4 between discharge gate 15 and the soft pipe 5, hard pipe 4 is higher than the position of catalysis storehouse 2 with the junction point of soft pipe 5, and soft pipe 5 upper end is fixed like this, and the lower extreme is connected with catalysis storehouse 2, is favorable to the circulation of liquid mixture, is difficult to take place to block up.

Further, catalysis storehouse 2 below still is equipped with base 3, it is articulated between base 3 and the catalysis storehouse 2 for catalysis storehouse 2 can rotate on vertical face, the inside rotation that still installs motor 11 is used for driving catalysis storehouse 2 of base 3. For better photocatalytic reaction, the rotation plane of the catalysis bin 2 can be parallel to the rotation plane formed by the rotation of the earth in the place according to the dimension condition of the place, so that the catalysis bin 2 can be always vertically aligned to the direction of sunlight when the angle of the catalysis bin 2 is adjusted through rotation, and it needs to be explained that the length of the soft tube 5 is greater than the rotation range of the catalysis bin 2, so that the catalysis bin 2 can not tighten the soft tube 5 at the limit position.

In the further scheme of this embodiment, catalysis storehouse 2 is the disc, and 2 edges in catalysis storehouse are provided with annular bowl 6 of circle, bowl 6 is convex tilt up, be provided with reflecting plate 7 directly over

catalysis storehouse

2, 2 one side in the relative catalysis storehouse of reflecting plate 7 is convex arc plane of reflection, and reflecting plate 7 passes through the edge fixed connection of a plurality of bracing pieces 71 with catalysis storehouse 2. As shown in fig. 2, the curvature of the reflector 6 makes the reflected light emitted when receiving the vertical light converge on the surface of the reflector 7, and the reflected light emitted after the reflector 7 receives the light from the reflector 6 covers the whole upper surface of the catalytic cabin 2. Through the cooperation of the reflecting cover 6 and the reflecting plate 7, sunlight with a larger area can be reflected to converge on the surface of the catalysis bin 2, so that the illumination intensity is improved, and the catalytic degradation effect is enhanced.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a device for utilize photocatalysis to handle oil field waste water which characterized in that: the catalytic reactor comprises a mixing tank and a catalytic bin, wherein the mixing tank is communicated with the catalytic bin through a flexible pipe, a stirrer driven by a motor is arranged inside the mixing tank, a plurality of feeding holes are formed in the top of the mixing tank, the bottom of the mixing tank is contracted in a conical shape, and a discharging hole with a valve is formed in the bottommost end of the mixing tank;

2. The apparatus for treating oilfield wastewater using photocatalysis as defined in claim 1, wherein: the catalysis storehouse is the disc, and the edge is provided with annular bowl of circle, the radial cross-section of bowl is convex tilt up, be provided with the reflecting plate directly over the catalysis storehouse, the reflecting plate is convex arc plane of reflection to catalysis storehouse one side, and the reflecting plate passes through the edge fixed connection of a plurality of bracing pieces and catalysis storehouse.

3. The apparatus for treating oilfield wastewater using photocatalysis according to claim 2, wherein: the reflecting light emitted by the reflecting cover when receiving vertical illumination is converged on the surface of the reflecting plate, and the reflecting light emitted by the reflecting plate after receiving the light of the reflecting cover covers the whole upper surface of the catalytic cabin.

4. The apparatus for treating oilfield wastewater using photocatalysis as defined in claim 1, wherein: still be provided with the hard pipe between discharge gate and the soft pipe, the connecting point of hard pipe and soft pipe is higher than the position in catalysis storehouse.

5. The apparatus for treating oilfield wastewater using photocatalysis as defined in claim 1, wherein: the agitator includes the axis of rotation with the coaxial setting of blending tank, be equipped with the stirring leaf of a plurality of slopes on the axis of rotation.