CN210085170U

CN210085170U - Electrochemical sewage treatment device combining chemistry and physics

Info

Publication number: CN210085170U
Application number: CN201920897380.1U
Authority: CN
Inventors: 李建萍; 佟国章
Original assignee: Karamay Siwei Petroleum Technology Co Ltd
Current assignee: Karamay Siwei Petroleum Technology Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-02-18
Anticipated expiration: 2029-06-14

Abstract

The utility model provides an adopt electrochemistry sewage treatment plant that chemistry and physics combined together, including electrochemical reactor, set up bar-like positive pole and netted negative pole in the electrochemical reactor, positive pole and negative pole pass through waterproof wire and connect DC power supply's positive negative pole respectively, the middle part sets up the filter screen in the electrochemical reactor, positive pole and negative pole are located the below of filter screen, the positive pole top is connected with sheathed tube bottom, the filter screen corresponds with the sleeve pipe and sets up first through-hole, sleeve pipe and first through-hole threaded connection, sheathed tube upper portion periphery sets up the ring, the second through-hole is seted up with sheathed tube corresponding position in electrochemical reactor's top, ring and second through-hole threaded connection, electrochemical reactor lower part and waste water inlet pipe, aeration pipe and flocculation thing discharge pipe intercommunication. The utility model discloses in can be convenient take out the positive pole through the sleeve pipe and carry out the scale removal operation, can avoid flocculate to flow along with water simultaneously through the filter screen, the effectual efficiency that has improved, the time of having practiced thrift.

Description

Electrochemical sewage treatment device combining chemistry and physics

Technical Field

The utility model belongs to the field of oil field wastewater treatment, in particular to an electrochemical sewage treatment device combining chemistry and physics.

Background

A large amount of waste water is generated in the process of oil field exploitation, and particularly in large-scale oil field exploitation, the water content in produced liquid is relatively higher. The oil field waste water is a liquid mixture with complex compositionThe main components of the compound comprise water, crude oil, soluble gas, solid suspended matters, electrolyte, bacteria, various oilfield chemical additives and the like, and the compound is directly discharged, so that the compound can cause serious harm to the environment, pollute surface water and farmlands, cause death of animals and plants and potential human diseases, and cause serious harm to the life of local people. Moreover, acidic gases or salts in the oilfield wastewater can accelerate corrosion of pipeline equipment; the suspended solid in the oil field wastewater can block the stratum; industrial bacteria in oilfield wastewater can corrode pipelines, plug pipelines, and deteriorate water quality. Although the water quality of each oil field is different, the following characteristics are generally seen: the mineralization degree is high, the corrosion speed is accelerated, and the difficulty is caused to the biochemical treatment of the wastewater; the oil content is high and is far greater than the water quality standards required by various outlets; contains a large amount of microorganisms, and the mass propagation of the bacteria not only corrodes pipelines but also causes serious blockage of stratums; contains a large amount of scale-forming ions, and the produced water contains SO4^2-、CO3^2-、Ca²⁺、Mg²⁺、Ba²⁺The method has the advantages that the method is easy to generate scale ions, and the like, the oilfield wastewater is treated by various methods such as a chemical method, a physical method, a biological method and the like at present, the oilfield wastewater contains more substances, the oilfield wastewater treatment efficiency by adopting the electrochemical method is higher through practical operation at present, and the resource utilization rate is relatively low, so the method is widely popularized, but the method also needs to perform a filtering operation again after the treatment in the electrochemical treatment process, the efficiency is low, the anode surface can scale in the electrochemical treatment process, so the electrolytic efficiency is reduced, the anode is inconvenient to take out and clean in the existing electrochemical reactor, the physical or chemical descaling operation in the electrochemical reactor is complicated, and the cleaning effect cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrochemical sewage treatment device combining chemistry and physics, which is used for solving the defects in the prior art.

The utility model discloses a following technical scheme realizes:

an electrochemical sewage treatment device combining chemistry and physics comprises an electrochemical reactor, wherein a rod-shaped anode and a net-shaped cathode are arranged in the electrochemical reactor, the anode and the cathode are respectively connected with the anode and the cathode of a direct current power supply through waterproof leads, a filter screen is arranged in the middle of the electrochemical reactor, the anode and the cathode are positioned below the filter screen, the top of the anode is connected with the bottom of a sleeve, a first through hole is correspondingly formed in the filter screen and the sleeve, the sleeve is in threaded connection with the first through hole, a ring is arranged on the periphery of the upper part of the sleeve, a second through hole is formed in the corresponding position of the top of the electrochemical reactor and the sleeve, the ring is in threaded connection with the second through hole, the lower part of the electrochemical reactor is communicated with a wastewater inlet pipe, an aeration pipe and a flocculate discharge pipe, and the wastewater inlet pipe, the aeration pipe and the flocculate discharge pipe are communicated, Aeration pipe and flocculation discharge pipe are located the below of filter screen, waste water advance pipe, aeration pipe be located one side, the flocculation discharge pipe be located the opposite side, electrochemical reactor's middle part and water outflow pipe intercommunication, waste water advance pipe and aeration pipe on set up the check valve, flocculation discharge pipe and water outflow pipe on set up the valve, the flocculation discharge pipe on set up the pump.

According to the electrochemical sewage treatment device combining chemistry and physics, the bearing is arranged between the bottom of the sleeve and the top of the anode, the bottom sleeve of the sleeve is fixedly connected with the outer ring of the bearing, and the top of the anode is connected with the inner ring of the bearing.

According to the electrochemical sewage treatment device combining chemistry and physics, the motor is arranged at the center of the bottom of the filter screen and connected with the rotating rod, and the rotating rod is provided with the stirring blades.

The electrochemical sewage treatment device adopting the chemical and physical combination is characterized in that the bottom of the electrochemical reactor is provided with an inclined surface, and the lower end of the inclined surface is close to the flocculate discharge pipe.

The utility model has the advantages that: the utility model discloses in can be convenient take out the positive pole through the sleeve pipe and carry out the scale removal operation, can avoid flocculate to flow along with water simultaneously through the filter screen, the effectual efficiency that has improved, the time of having practiced thrift.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

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

Reference numerals: 1. an electrochemical reactor; 2. an anode; 3. a cathode; 4. a direct current power supply; 5. filtering; 6. a sleeve; 7. a first through hole; 8. a circular ring; 9. a second through hole; 10. a wastewater inlet pipe; 11. an aeration pipe; 12. a flocculate discharge pipe; 13. a water outflow pipe; 14. a one-way valve; 15. a valve; 16. a bearing; 17. a motor; 18. a rotating rod; 19. stirring blades; 20. a bevel.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An electrochemical sewage treatment device combining chemistry and physics comprises an electrochemical reactor 1, wherein a rod-shaped anode 2 and a net-shaped cathode 3 are arranged in the electrochemical reactor 1, the anode 2 and the cathode 3 are respectively connected with the positive pole and the negative pole of a direct current power supply 4 through waterproof leads, a filter screen 5 is arranged in the middle of the electrochemical reactor 1, the anode 2 and the cathode 3 are positioned below the filter screen 5, the top of the anode 2 is connected with the bottom of a sleeve 6, the filter screen 5 and the sleeve 6 are correspondingly provided with a first through hole 7, the sleeve 6 is in threaded connection with the first through hole 7, a circular ring 8 is arranged on the periphery of the upper part of the sleeve 6, a second through hole 9 is arranged at the position, corresponding to the sleeve 6, of the top of the electrochemical reactor 1, the circular ring 8 is in threaded connection with the second through hole 9, and the lower part of the electrochemical reactor 1 and a wastewater inlet pipe 10, Aeration pipe 11 and flocculation discharge pipe 12 communicate, waste water advance pipe 10, aeration pipe 11 and flocculation discharge pipe 12 be located the below of filter screen 5, waste water advance pipe 10, aeration pipe 11 be located one side, flocculation discharge pipe 12 be located the opposite side, electrochemical reactor 1 the middle part and water outflow pipe 13 communicate, waste water advance pipe 10 and aeration pipe 11 on set up check valve 14, flocculation discharge pipe 12 and water outflow pipe 13 on set up valve 15, flocculation discharge pipe 12 on set up the pump. The utility model discloses in sending into electrochemical reactor 1 oil field waste water through waste water inlet pipe 10 when using, open DC power supply 4, and bulge into required gas such as oxygen or chlorine in electrochemical reactor 1 through aeration pipe 11, can avoid the oil field waste water in electrochemical reactor 1 to flow through waste water inlet pipe 10 and aeration pipe 11 through check valve 14 on waste water inlet pipe 10 and aeration pipe 11, ensure the normal clear of electrochemical sewage treatment, open valve 15 on water outlet pipe 13 after the processing is accomplished, emit the water above filter screen 5, then close valve 15 on water outlet pipe 13 and continue to send into oil field waste water, the retreatment, after the water of filter screen 5 top was emitted after handling many times, open valve 15 on floc discharge pipe 12, emit the floc of lower part even water together, in order to avoid remaining the floc in electrochemical reactor 1 and discharge together with water, the flow velocity can be accelerated by additionally arranging a pump so as to avoid flocculate residue, and the oilfield wastewater treatment is continued after the discharge is finished.

Specifically, in order to overcome the above problem, a bearing 16 is disposed between the bottom of the sleeve 6 and the top of the anode 2, the bottom sleeve of the sleeve 6 is fixedly connected to the outer ring of the bearing 16, and the top of the anode 2 is connected to the inner ring of the bearing 16. The bearing 16 can effectively prevent the anode 2 from rotating along with the sleeve 6, prevent the waterproof lead from being distorted and ensure the service life of the waterproof lead.

Specifically, in this embodiment, a motor 17 is disposed at the bottom center of the filter screen 5, the motor 17 is connected to a rotating rod 18, and a stirring blade 19 is disposed on the rotating rod 18. The motor 17 drives the rotating rod 18 and the stirring blade 19 to rotate so as to play a role in accelerating the reaction.

Further, since the flocs are settled at the bottom of the electrochemical reactor 1, which is inconvenient to be drawn out, in order to overcome the above problems, the electrochemical reactor 1 according to the present embodiment is provided with a slope 20 at the bottom thereof, and the lower end of the slope 20 is close to the floc discharge pipe 12. The slope 20 collects most of the flocs on the side of the floc discharge pipe 12, facilitating the extraction of the flocs.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An electrochemical sewage treatment device combining chemistry and physics is characterized in that: the device comprises an electrochemical reactor (1), a rod-shaped anode (2) and a mesh-shaped cathode (3) are arranged in the electrochemical reactor (1), the anode (2) and the cathode (3) are respectively connected with the positive electrode and the negative electrode of a direct current power supply (4) through waterproof leads, a filter screen (5) is arranged in the middle of the electrochemical reactor (1), the anode (2) and the cathode (3) are positioned below the filter screen (5), the top of the anode (2) is connected with the bottom of a sleeve (6), the filter screen (5) and the sleeve (6) are correspondingly provided with a first through hole (7), the sleeve (6) is in threaded connection with the first through hole (7), the periphery of the upper part of the sleeve (6) is provided with a circular ring (8), and a second through hole (9) is formed in the position, corresponding to the top of the electrochemical reactor (1) and the sleeve (6), ring (8) and second through-hole (9) threaded connection, electrochemical reactor (1) lower part and waste water advance pipe (10), aeration pipe (11) and flocculation thing discharge tube (12) intercommunication, electrochemical reactor (1) the middle part and the water outflow pipe (13) intercommunication, waste water advance pipe (10) and aeration pipe (11) on set up check valve (14), flocculation thing discharge tube (12) and water outflow pipe (13) on set up valve (15).

2. The electrochemical sewage treatment plant of claim 1, wherein the electrochemical sewage treatment plant comprises: and a bearing (16) is arranged between the bottom of the sleeve (6) and the top of the anode (2).

3. The electrochemical sewage treatment plant of claim 1, wherein the electrochemical sewage treatment plant comprises: the bottom center position of filter screen (5) set up motor (17), motor (17) be connected with bull stick (18), bull stick (18) on set up stirring leaf (19).

4. The electrochemical sewage treatment plant of claim 1, wherein the electrochemical sewage treatment plant comprises: the bottom in the electrochemical reactor (1) is provided with an inclined plane (20), and the lower end of the inclined plane (20) is close to the flocculate discharge pipe (12).