CN212609682U

CN212609682U - Boron removal system for fracturing flowback fluid

Info

Publication number: CN212609682U
Application number: CN202021042029.3U
Authority: CN
Inventors: 罗睿敏; 王栋; 潘月辉; 何海波; 张银平
Original assignee: Sichuan Collinsco Environmental Protection Technology Co ltd
Current assignee: Sichuan Collinsco Environmental Protection Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-02-26
Anticipated expiration: 2030-06-09

Abstract

The utility model provides a boron removal system for flowing back is returned in fracturing relates to sewage treatment technical field. The utility model has the advantages that the top of the tank body is provided with an exhaust port, the bottom of the tank body is provided with a cleaning port and a liquid outlet, the tank body is internally provided with two filter screens which are arranged up and down, the tank body between the two filter screens is also provided with a resin inlet and a resin outlet, the top of the tank body is provided with a base which is provided with a first liquid inlet pipe which is coaxial with the tank body, the base is internally provided with a second liquid inlet pipe which extends into the tank body, the second liquid inlet pipe is coaxial with the first liquid inlet pipe and is rotationally sealed with the first liquid inlet pipe, the circumferential outer wall of the second liquid inlet pipe in the base is provided with a ring gear, the base is correspondingly provided with a driving source which is connected with the ring gear in a, and the liquid conveying pipes are obliquely arranged, and the second liquid inlet pipe drives the liquid conveying pipes to rotate, so that liquid output by the liquid conveying pipes uniformly falls into the tank body, and the ion exchange efficiency is improved.

Description

Boron removal system for fracturing flowback fluid

Technical Field

Relate to sewage treatment technical field, concretely relates to boron removal system for flowing back is returned to fracturing.

Background

The fracturing flow-back fluid is a liquid containing a solid phase and is discharged after fracturing operation of an oil-gas field, the main components of the liquid are guar gum, a preservative, a gel breaker, petroleum and other various chemical additives, the characteristics of three-high (high COD value, high stability and high viscosity) are presented, and if the liquid is directly discharged without treatment, the liquid can cause harm to the environment.

At present, the processing of flowing back is returned in fracturing includes removing boron through the ion exchange column, and the ion column top is generally located to the feed liquor pipe of present ion column, and the flowing back is returned in fracturing through the ion column top injection, and this kind of feed liquor mode leads to fracturing to return the flowing back liquid and can't evenly get into the jar body to can't evenly carry out ion exchange with the resin, urgent need to solve.

Disclosure of Invention

The utility model aims at developing a make fracturing flow back liquid dispersion get into jar internal be used for fracturing to return boron removing system of flowing back liquid.

The utility model discloses a following technical scheme realizes:

a boron removal system for fracturing flow-back fluid comprises a tank body with a barrel structure, wherein an exhaust port is arranged at the top of the tank body, a cleaning port and a fluid discharge port are arranged at the bottom of the tank body, a first filter screen and a second filter screen which are arranged up and down are arranged in the tank body, a resin inlet and a resin outlet are also arranged on the tank body between the first filter screen and the second filter screen, a base is arranged at the top of the tank body, a first fluid inlet pipe which is coaxial with the tank body is arranged on the base, a second fluid inlet pipe which extends into the tank body is arranged in the base in a rotating manner, the second fluid inlet pipe and the first fluid inlet pipe are arranged in a coaxial manner and are sealed in a rotating manner, ring teeth are arranged on the circumferential outer wall of the second fluid inlet pipe in the base, a driving source which is in transmission connection with the ring teeth is correspondingly arranged in the base, at least two infusion, and the infusion tubes are obliquely arranged, the driving source drives the second liquid inlet tube to rotate, and the second liquid inlet tube drives the infusion tubes to rotate, so that liquid output by the infusion tubes uniformly falls into the tank body, the liquid is uniformly contacted with resin, and the ion exchange efficiency is improved.

Furthermore, a gear meshed with the ring gear of the second liquid inlet pipe is rotatably arranged at a corresponding position in the base, and a motor connected with the gear in a transmission manner is further arranged in the base.

Furthermore, the connecting end of the infusion tube and the second liquid inlet tube is a higher end.

Furthermore, the inclination angles of the infusion tubes are the same.

Furthermore, a plurality of the infusion tubes are uniformly arranged in the circumferential direction of the second liquid inlet tube at equal intervals.

Furthermore, a liquid discharge pipe is arranged at the end part of the infusion tube and is vertically arranged.

Further, the edge of first filter screen is equipped with the slip ring, the slip ring is the ring structure, and the external diameter and jar internal diameter of slip ring are the same, and the inner wall of slip ring is connected with the edge of first filter screen.

Further, the slip ring has a certain length in a vertical direction.

Furthermore, a plurality of vertically arranged spring telescopic rods are arranged at the bottom of the sliding ring, supporting blocks are arranged at the bottoms of the spring telescopic rods, and the supporting blocks are arranged on the inner wall of the tank body at corresponding positions.

Furthermore, a plurality of the spring telescopic rods are arranged at equal intervals at the bottom of the sliding ring.

The utility model has the advantages that:

the utility model discloses it is internal that can make fracturing flow-back fluid evenly get into jar, make it and remove boron resin uniform contact, full play removes boron resin's effect, improves ion exchange efficiency to the first filter screen liftable on upper portion slides, when making the resin volume inflation, provides the space for the inflation of resin, reduces the extrusion between the resin.

Drawings

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

FIG. 1 is a structural view of example 1;

FIG. 2 is a structural view of embodiment 2;

fig. 3 is an enlarged view of a portion a in fig. 2.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the creation of the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the invention. Furthermore, the present invention creates that reference numerals and/or reference letters may be repeated in different examples, such repetition being for the purpose of simplicity and clarity and not being indicative of the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize applications of other processes and/or uses of other materials.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the embodiment discloses a boron removal system for fracturing flow-back fluid, which comprises a tank body 6 with a cylindrical structure, wherein an exhaust port 9 is arranged at the top of the tank body 6, a cleaning port 3 and a fluid discharge port 2 are arranged at the bottom of the tank body 6, a first filter screen and a second filter screen which are arranged up and down are arranged in the tank body 6, a resin inlet 5 and a resin outlet 4 are further arranged on the tank body 6 between the first filter screen and the second filter screen, a base 10 is arranged at the top of the tank body 6, a first fluid inlet pipe 11 which is coaxial with the tank body 6 is arranged on the base 10, a second fluid inlet pipe 18 which extends into the tank body 6 is rotationally arranged in the base 10, the second fluid inlet pipe 18 and the first fluid inlet pipe 11 are coaxial and are rotationally sealed, annular teeth 14 are arranged on the circumferential outer wall of the second fluid inlet pipe 18 in the base 10, and a driving source which is in transmission connection with, the part of the second liquid inlet pipe 18 extending into the tank body 6 is provided with at least two liquid conveying pipes, the lengths of the liquid conveying pipes are different, the liquid conveying pipes are arranged in an inclined mode, the driving source drives the second liquid inlet pipe 18 to rotate, the second liquid inlet pipe 18 drives the liquid conveying pipes to rotate, liquid output by the liquid conveying pipes uniformly falls into the tank body 6, the liquid is in uniform contact with resin, and ion exchange efficiency is improved.

Specifically, jar body 6 is located on pillar 1, jar body 6 is columniform tubular structure, jar first screen cloth 8 and second screen cloth 7 of arranging from top to bottom that is equipped with in the body 6, first screen cloth 8 is located second screen cloth 7 upper portion, first screen cloth 8 and second screen cloth 7 are all arranged horizontally, be equipped with between first screen cloth 8 and the second screen cloth 7 and remove boron resin, jar body 6 side between first screen cloth 8 and the second screen cloth 7 is equipped with resin inlet 5, jar body 6 side between first screen cloth 8 and the second screen cloth 7 still is equipped with resin outlet 4, resin outlet 4 locates second screen cloth 7 top side, jar body 6 bottom center is equipped with leakage fluid dram 2, jar body 6 bottom still is equipped with washing mouth 3.

The top of the tank body 6 is provided with an exhaust port 9, the center of the top of the tank body 6 is provided with a base 10, the base 10 is provided with a first liquid inlet pipe 11 which is coaxial with the tank body 6, the first liquid inlet pipe 11 extends into the base 10 for a certain depth, a second liquid inlet pipe 18 is also rotatably arranged in the base 10, the second liquid inlet pipe 18 is coaxially arranged with the tank body 6 and the first liquid inlet pipe 11, the top end of the second liquid inlet pipe 18 in the base 10 is rotationally sealed with the bottom end of the first liquid inlet pipe 11, the second liquid inlet pipe 18 extends into the top of the tank body 6 from the base 10, the circumferential outer wall of the second liquid inlet pipe 18 in the base 10 is provided with ring teeth 14, a gear 13 meshed with the ring gear 14 is rotatably arranged at a corresponding position in the base 10, a motor 12 in transmission connection with the gear 13 is further arranged in the base 10, the motor 12 rotates to drive the gear 13 to rotate, and the gear 13 drives the ring gear 14 to enable the second liquid inlet pipe 18 to rotate.

The bottom end of a second liquid inlet pipe 18 is positioned at the top part in the tank body 6, the bottom end of the second liquid inlet pipe 18 is provided with a first transfusion pipe 15, a second transfusion pipe 16 and a third transfusion pipe 17, one end of the first infusion tube 15, one end of the second infusion tube 16 and one end of the third infusion tube 17 are all communicated with the second liquid inlet tube 18, the other end is provided with a liquid discharge tube, the first infusion tube 15, the second infusion tube 16 and the third infusion tube 17 are uniformly distributed in the circumferential direction of the second liquid inlet tube 18 at equal intervals, the included angle between two adjacent infusion tubes is one hundred twenty degrees, the length of the first infusion tube 15 is longer than that of the second infusion tube 16, the length of the second infusion tube 16 is longer than that of the third infusion tube 17, the first infusion tube 15, the second infusion tube 16 and the third infusion tube 17 are all arranged in an inclined way at the same angle, and their connection ends with the second inlet pipe 18, which is arranged vertically, are the higher ends. The number of the infusion tubes can be adjusted according to the size of the tank body 6, the number of the infusion tubes can be increased or decreased, but the number of the infusion tubes is at least two.

The fracturing flow-back fluid enters the second fluid inlet pipe 18 from the first fluid inlet pipe 11, the motor 12 drives the second fluid inlet pipe 18 to rotate, the second fluid inlet pipe 18 drives the first infusion pipe 15, the second infusion pipe 16 and the third infusion pipe 17 to rotate, three fluid-discharge pipes are enabled to respectively perform circular motion with three diameters gradually reduced from large to small, the motion tracks of the three fluid-discharge pipes can basically cover the cross section in the tank body 6, the fracturing flow-back fluid can uniformly enter boron-removing resin in the tank body 6 through the fluid inlet mode, the effect of the boron-removing resin is fully exerted, and the ion exchange efficiency is effectively improved.

Example 2

As shown in fig. 2 and fig. 3, the present embodiment is different from embodiment 1 in that a sliding ring 19 is disposed at an edge of a first screen 8, the sliding ring 19 is of a circular ring structure, the sliding ring 19 has a certain length in a vertical direction, the edge of the first screen 8 is connected to an inner wall of the sliding ring 19, an outer diameter of the sliding ring 19 is the same as an inner diameter of the tank 6, the sliding ring 19 can vertically slide in the tank 6, the sliding ring 19 is kept horizontal during sliding of the inner wall of the tank 6 due to the fact that the sliding ring 19 has a certain height, a plurality of vertically arranged telescopic spring rods 20 are disposed at equal intervals at the bottom of the sliding ring 19, support blocks 21 are disposed at the bottom of the telescopic spring rods 20, and the support blocks 21 are disposed at corresponding positions on the inner wall of the tank 6. Can make slip ring 19 drive first screen cloth 8 through spring telescopic link 20 and carry out elasticity and go up and down, the inflation takes place for the volume when exchange resin during operation, and first screen cloth 8 can the rebound, reduces the extrusion that produces because of the volume inflation between the resin to effectively reduce the extrusion breakage of resin, guarantee the validity of resin, prolong the life of resin, first screen cloth 8 moves down under spring telescopic link 20's effect after the resin volume resumes.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. The boron removal system for the fracturing flow-back fluid is characterized by comprising a tank body of a barrel structure, wherein an exhaust port is arranged at the top of the tank body, a cleaning port and a fluid discharge port are arranged at the bottom of the tank body, a first filter screen and a second filter screen which are arranged up and down are arranged in the tank body, a resin inlet and a resin outlet are also arranged on the tank body between the first filter screen and the second filter screen, a base is arranged at the top of the tank body, a first fluid inlet pipe which is coaxial with the tank body is arranged on the base, a second fluid inlet pipe which extends into the tank body is arranged in the base in a rotating manner, the second fluid inlet pipe and the first fluid inlet pipe are arranged in a coaxial manner and are sealed in a rotating manner, ring teeth are arranged on the circumferential outer wall of the second fluid inlet pipe in the base, a driving source which is in transmission connection with the ring teeth is correspondingly arranged in the base, at least two infusion, and the infusion tube is obliquely arranged.

2. The boron removal system for fracturing flow-back fluid of claim 1, wherein a gear engaged with the ring gear of the second fluid inlet pipe is rotatably arranged at a corresponding position in the base, and a motor in transmission connection with the gear is further arranged in the base.

3. The boron removal system for a fracturing flow-back fluid of claim 2, wherein the connection end of the infusion tube to the second fluid inlet tube is a higher end.

4. The boron removal system for a frac flowback of claim 3, wherein a plurality of the fluid lines are angled at the same angle.

5. The boron removal system for the fracturing flow-back fluid of claim 4, wherein the plurality of liquid conveying pipes are uniformly arranged at equal intervals in the circumferential direction of the second liquid inlet pipe.

6. The boron removal system for fracturing flow-back fluid of claim 5, wherein a flow drain is provided at an end of the fluid line, the flow drain being vertically disposed.

7. The boron removal system for the fracturing flow-back fluid of claim 6, wherein the edge of the first filter screen is provided with a sliding ring, the sliding ring is of a circular ring structure, the outer diameter of the sliding ring is the same as the inner diameter of the tank body, and the inner wall of the sliding ring is connected with the edge of the first filter screen.

8. The boron removal system for a frac flowback fluid of claim 7, wherein the slip ring has a length in a vertical direction.

9. The boron removal system for fracturing flow-back fluid of claim 8, wherein the bottom of the slip ring is provided with a plurality of vertically arranged telescopic spring rods, the bottoms of the telescopic spring rods are provided with supporting blocks, and the supporting blocks are arranged on the inner wall of the tank body at corresponding positions.

10. The boron removal system for fracturing flow-back fluid of claim 9, wherein a plurality of said spring telescoping rods are equally spaced at the bottom of the slip ring.