CN215693682U

CN215693682U - Agent device is annotated in crude oil refining desalination

Info

Publication number: CN215693682U
Application number: CN202121440438.3U
Authority: CN
Inventors: 李莉; 李群柱
Original assignee: Luoyang Weida Petrochemical Engineering Co ltd
Current assignee: Luoyang Weida Petrochemical Engineering Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-01
Anticipated expiration: 2031-06-28

Abstract

The utility model provides a crude oil refining desalination annotates agent device, relates to the crude oil refining field, including annotating agent head and pressure cylinder, annotate the agent head and be inside hollow barrel, annotate the both ends of agent head and be fixed with the tubule respectively, the inner of two tubules is fixed with the thick pipe respectively, the inner of two thick pipes rotates respectively and is connected with the runner, the inner of two runners rotates and is connected with another thick pipe, the one end shaping of annotating the agent head has the flange, the side of annotating the agent head is connected with the pressure cylinder through connecting the pipe, be equipped with the screw rod in the pressure cylinder. The utility model ensures that the inner diameter of a pipeline through which crude oil flows is changed sharply through the alternate connection among the thin pipes, the rotating pipes and the thick pipes, the crude oil fluid can be disordered and stirred and mixed automatically, the energy consumption is low, the mixing effect is good, water can be uniformly dispersed in the crude oil flowing through the rotating pipes at high speed through the capillary holes through the rotation of the fan blades, and the liquid pressure in the injection head can be kept consistent through the uniform rotation of the forward and reverse speed regulating motor.

Description

Agent device is annotated in crude oil refining desalination

Technical Field

The utility model relates to the field of crude oil refining, in particular to a desalting and agent injecting device for crude oil refining.

Background

The crude oil entering a refinery still contains a certain amount of salt and water more or less although the crude oil is dehydrated in an oil field, the water is removed by adding a small amount of water and fully mixed, the mixture is placed in an electric field pool to enable salt to be completely dissolved in the water, a demulsifier is added to enlarge water drops under the action of an electric field to obtain settlement separation, the existing device cannot enable the water to be completely dispersed in the crude oil after the water is injected into the crude oil, the smaller the liquid of the water dispersed in the crude oil is, the better the dehydration and desalination effects are, the existing method adopts other mechanical structures for stirring, the energy consumption is large, the mixing effect is very poor, the desalination effect is poor, the water injection into the crude oil accounts for about five percent of the original oil mass, the existing agent injection device can only be injected roughly according to the experience of workers, the deviation is large, and the agent injection effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the background art, the utility model discloses a desalting injection device for crude oil refining, which enables the inner diameter of a pipeline through which crude oil flows to be changed rapidly through the alternate connection among a thin pipe, a rotating pipe and a thick pipe, the crude oil can be disordered and stirred and mixed automatically, the energy consumption is small, the mixing effect is good, water can be uniformly dispersed in the crude oil flowing through the rotating pipe at a high speed through capillary holes through the rotation of fan blades, the liquid pressure in an injection head can be kept consistent through the uniform rotation of a forward and reverse speed regulating motor, the flow of the water injected into the crude oil through the rotating pipe and the fan blades is a fixed value, the control is accurate, and the injection effect is good.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a crude oil refining desalination annotates agent device, is including annotating agent head and pressure section of thick bamboo, annotates the agent head and is inside hollow barrel, annotates the both ends of agent head and is fixed with the tubule respectively, and the inner of two tubules is fixed with the thick pipe respectively, and the inner of two thick pipes rotates respectively to be connected with the commentaries on classics pipe, and the inner of two commentaries on classics pipes rotates to be connected with another thick pipe, and the one end shaping of annotating the agent head has the flange, and the side of annotating the agent head is connected with the pressure section of thick bamboo through the connecting pipe, is equipped with the screw rod in the pressure section of thick bamboo.

The inner diameters of the thin tube and the rotating tube are equal, and the inner diameter of the thick tube is more than three times of the inner diameters of the thin tube and the rotating tube.

The both ends of runner pipe rotate respectively and connect on thick pipe, and the inboard of runner pipe is fixed with the flabellum that is no less than four, and four flabellums are rotatory to same direction.

The rotating pipe is a hollow cylinder, capillary holes are formed in the outer side of the rotating pipe, and the capillary holes are formed in the two sides of the fan blades fixed on the inner side of the rotating pipe.

One end of the connecting pipe is communicated with the interior of the injection head, and the other end of the connecting pipe is communicated with the bottom end of the interior of the pressure cylinder.

The pressure cylinder is a cylinder with a hollow inner part, a threaded hole is formed in the middle of the upper surface of the pressure cylinder, and the upper end of the side surface of the pressure cylinder is communicated with a liquid supplementing pipe.

The threaded hole on the pressure cylinder is connected with a screw rod through threads, the lower end of the screw rod is connected with a forward and reverse speed regulating motor, a piston plate is fixed at the lower end of the forward and reverse speed regulating motor, and the piston plate is connected to the inner side of the pressure cylinder in a sliding mode.

One end of the injection head is formed with a flange, and the outer end of the flange is equidistantly provided with at least eight connecting holes.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

according to the desalting injection device for refining crude oil, the inner diameter of a pipeline through which crude oil flows is changed rapidly through the alternate connection among the thin pipes, the rotating pipes and the thick pipes, the crude oil can be disordered and is stirred and mixed automatically, the energy consumption is low, the mixing effect is good, water can be uniformly dispersed in the crude oil flowing through the rotating pipes at a high speed through capillary holes through the rotation of the fan blades, the liquid pressure in the injection head can be kept consistent through the uniform rotation of the forward and reverse speed regulating motor, the flow of the water injected into the crude oil through the rotating pipes and the fan blades is constant, the control is accurate, and the injection effect is good.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front half-section perspective view of the present invention;

FIG. 3 is a schematic view of a half-section of a chemical injection head according to the present invention;

fig. 4 is a schematic perspective view of the rotating tube of the present invention.

1. Injecting agent head; 101. a thin tube; 102. a thick pipe; 2. a flange; 201. connecting holes; 3. connecting pipes; 4. a pressure cylinder; 401. a liquid supplementing pipe; 402. a threaded hole; 5. a screw; 501. a positive and negative rotation speed regulating motor; 502. a piston plate; 6. pipe rotation; 601. a fan blade.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

Combine the crude oil refining desalination of attached figure 1~4 to annotate agent device, including annotating agent head 1 and pressure cylinder 4, it is inside hollow barrel to annotate agent head 1, the both ends of annotating agent head 1 are fixed with tubule 101 respectively, the inner of two tubules 101 is fixed with thick pipe 102 respectively, the inner of two thick pipes 102 rotates respectively and is connected with runner 6, the inner of two runner 6 rotates and is connected with another thick pipe 102, the one end shaping of annotating agent head 1 has flange 2, the side of annotating agent head 1 is connected with pressure cylinder 4 through connecting pipe 3, be equipped with screw rod 5 in the pressure cylinder 4.

The inner diameters of the narrow tube 101 and the rotary tube 6 are equal, the inner diameter of the wide tube 102 is more than three times of the inner diameters of the narrow tube 101 and the rotary tube 6, and a large diameter difference is made in a crude oil communication pipeline, so that crude oil is violently tumbled in the circulation process, and water injected from the rotary tube 6 is sufficiently stirred to form emulsion.

The both ends of runner 6 rotate respectively and connect on thick pipe 102, and the inboard of runner 6 is fixed with and is no less than four flabellum 601, and four flabellums 601 are rotatory to same direction, make runner 6 and flabellum 601 rotatory under the drive of mobile crude oil, and the injection that more all needs sprays water to the crude oil in.

The rotating pipe 6 is a hollow cylinder, capillary holes are formed in the outer side of the rotating pipe 6, capillary holes are formed in the two sides of the fan blade 601 fixed on the inner side of the rotating pipe 6, and water can be sprayed into crude oil through the capillary holes formed in the fan blade 601.

One end of the connecting pipe 3 is communicated with the inside of the injection head 1, and the other end of the connecting pipe 3 is communicated with the bottom end of the inside of the pressure cylinder 4.

The pressure tube 4 is a hollow cylinder, a threaded hole 402 is formed in the middle of the upper surface of the pressure tube 4, and a liquid replenishing pipe 401 is communicated with the upper end of the side surface of the pressure tube 4.

The threaded hole 402 on the pressure tube 4 is internally connected with a screw rod 5 through threads, the lower end of the screw rod 5 is connected with a forward and reverse rotation speed regulating motor 501, the lower end of the forward and reverse rotation speed regulating motor 501 is fixed with a piston plate 502, and the piston plate 502 is connected to the inner side of the pressure tube 4 in a sliding manner.

The one end shaping of annotating agent head 1 has flange 2, and the outer end equidistance of flange 2 is seted up and is no less than eight connecting holes 201 for connect outside crude oil pipeline.

When the desalting and injecting device for refining crude oil is used, an operator connects an injecting head 1 to the tail end of a crude oil pipeline in a sealing way through a flange 2 and a connecting hole 201, a forward and reverse speed regulating motor 501 drives a screw rod 5 to rotate on a threaded hole 402 to drive a piston plate 502 to move upwards in a pressure cylinder 4 to the position above a liquid supplementing pipe 401, a switch of the liquid supplementing pipe 401 is opened to enable water to flow into the pressure cylinder 4 through the liquid supplementing pipe 401, the forward and reverse speed regulating motor 501 drives the screw rod 5 to rotate reversely in the threaded hole 402 to enable the piston plate 502 to move downwards in the pressure cylinder 4, the piston plate 502 moves downwards to compress the water in the pressure cylinder 4, the water in the pressure cylinder 4 is conveyed into the injecting head 1 through a connecting pipe 3 and enters a fan blade 601 through a micro hole in a rotating pipe 6 to be injected, the operator can adjust the rotating speed of the forward and reverse speed regulating motor 501 according to the flow of the crude oil in the narrow pipe 101 to adjust the flow of the water injected through the fan blade 601, crude oil enters the thick pipes 102 through the thin pipes 101 and then enters the rotating pipe 6, in the process, the diameter of a pipeline through which the crude oil flows is changed rapidly, the crude oil fluid is enabled to be turbulent, water and the crude oil are enabled to be stirred and mixed, when the crude oil passes through the rotating pipe 6, the rotating pipe 6 can be enabled to rotate between the two thick pipes 102 by pushing the fan blades 601, water is sprayed in the crude oil more uniformly, and when the crude oil flows out of the thin pipes 101 far away from the flange 2, the crude oil is already mixed with the water to form emulsion.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A desalination injection device for refining crude oil comprises an injection head (1) and a pressure cylinder (4), and is characterized in that: annotate agent head (1) and be inside hollow barrel, the both ends of annotating agent head (1) are fixed with tubule (101) respectively, the inner of two tubules (101) is fixed with thick pipe (102) respectively, the inner of two thick pipes (102) rotates respectively and is connected with runner (6), the inner of two runner (6) rotates and is connected with another thick pipe (102), the one end shaping of annotating agent head (1) has flange (2), the side of annotating agent head (1) is connected with pressure cylinder (4) through connecting pipe (3), be equipped with screw rod (5) in pressure cylinder (4).

2. The desalination and injection device for refining crude oil as claimed in claim 1, wherein: the inner diameters of the thin tube (101) and the rotating tube (6) are equal, and the inner diameter of the thick tube (102) is more than three times that of the thin tube (101) and the rotating tube (6).

3. The desalination and injection device for refining crude oil as claimed in claim 1, wherein: two ends of the rotating pipe (6) are respectively connected to the thick pipe (102) in a rotating mode, at least four fan blades (601) are fixed on the inner side of the rotating pipe (6), and the four fan blades (601) rotate in the same direction.

4. The desalination and injection device for refining crude oil as claimed in claim 3, wherein: the rotating pipe (6) is a hollow cylinder, capillary holes are formed in the outer side of the rotating pipe (6), and capillary holes are formed in the two sides of the fan blade (601) fixed on the inner side of the rotating pipe (6).

5. The desalination and injection device for refining crude oil as claimed in claim 1, wherein: one end of the connecting pipe (3) is communicated with the inside of the injection head (1), and the other end of the connecting pipe (3) is communicated with the bottom end of the inside of the pressure cylinder (4).

6. The desalination and injection device for refining crude oil as claimed in claim 1, wherein: the pressure cylinder (4) is a hollow cylinder, a threaded hole (402) is formed in the middle of the upper surface of the pressure cylinder (4), and the upper end of the side surface of the pressure cylinder (4) is communicated with a liquid supplementing pipe (401).

7. The desalination and injection device for refining crude oil as claimed in claim 6, wherein: a screw rod (5) is connected in a threaded hole (402) in the pressure cylinder (4) through threads, the lower end of the screw rod (5) is connected with a forward and reverse rotation speed regulating motor (501), a piston plate (502) is fixed at the lower end of the forward and reverse rotation speed regulating motor (501), and the piston plate (502) is connected to the inner side of the pressure cylinder (4) in a sliding mode.

8. The desalination and injection device for refining crude oil as claimed in claim 1, wherein: the outer end of the flange (2) is equidistantly provided with at least eight connecting holes (201).