CN216725884U

CN216725884U - High-efficient three-phase separator

Info

Publication number: CN216725884U
Application number: CN202122758018.6U
Authority: CN
Inventors: 杨华丽; 何引娥; 张金强
Original assignee: Jiangsu Ludi Petrochemical Equipment Co ltd
Current assignee: Jiangsu Ludi Petrochemical Equipment Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-06-14
Anticipated expiration: 2031-11-11

Abstract

The utility model relates to the technical field of crude oil separation equipment, and discloses a high-efficiency three-phase separator which comprises a separation tank, a first mist catching box is fixedly arranged at the top of the separation tank, a second mist catching box is fixedly arranged at the top of the separation tank and positioned at the right side of the first mist catching box, an oil-gas separation device is fixedly arranged in the inner cavity of the second mist catching box and comprises a V-shaped condensate plate, a gas guide cap, a natural gas secondary exhaust pipe and a condensate drain pipe, the high-efficiency three-phase separator reduces the possibility that petroleum is discharged along natural gas, crude oil enters a first mist catching box through a crude oil conveying pipe, so that the natural gas in the crude oil can be separated for the first time and then enters a separation tank along the crude oil discharging pipe, through the cooperation of the defoaming net and the oil-water collecting box, natural gas, petroleum, water and sand in the crude oil are separated, and the separated natural gas can be conveyed to the second mist catching box through a natural gas secondary exhaust pipe.

Description

High-efficient three-phase separator

Technical Field

The utility model relates to the technical field of crude oil separation equipment, in particular to a high-efficiency three-phase separator.

Background

In view of the development process of the oil industry, the separation technology is continuously advanced along with the development of the oil industry. The domestic and foreign separation technology mainly focuses on three aspects of gravity separation, centrifugal separation and collision coalescence separation. Gravity separation is still dominant in the current practical production due to the mature technology. Through the development of many years, the types and models of oil-gas-water three-phase separators are continuously increased, the separation efficiency is also continuously improved, and some problems still exist.

When using, can be with natural gas, oil, grit and the water separation in the crude oil with current high-efficient three-phase separator, the natural gas that traditional three-phase separator separated is stained with more or less with the oil, walks side by side, and the grit of deposit in three-phase separator bottom can be discharged through arranging the sand pipe, nevertheless pile up the time overlength, leads to arranging the sand pipe to block up and loses original function.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides the high-efficiency three-phase separator which can effectively solve the problems that in the prior art, the separated natural gas is adhered with a small amount of petroleum, so that the natural gas is not completely separated, and sand and stones accumulated in a sand discharge pipe cause the sand discharge pipe to be blocked and lose the original functions.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model discloses a high-efficiency three-phase separator, which comprises a separation tank, wherein a first mist catching box is fixedly arranged at the top of the separation tank, a second mist catching box is fixedly arranged at the top of the separation tank and positioned at the right side of the first mist catching box, an oil-gas separation device is fixedly arranged in an inner cavity of the second mist catching box, the oil-gas separation device comprises a V-shaped condensate plate, a gas guide cap, a natural gas secondary exhaust pipe and a condensate drain pipe, a motor box is fixedly arranged at the top of the separation tank and positioned between the first mist catching box and the second mist catching box, a motor is fixedly arranged in the inner cavity of the motor box, a rotating shaft is fixedly arranged at the output end of the motor through a speed reducer, a fixed disc is fixedly arranged at the bottom end of the rotating shaft, a silt scraper blade is fixedly arranged on the outer surface of the fixed disc, the motor is electrically connected with an external power supply, and is controlled by an external plc programming program, the V-shaped condensate plate is provided with a fine inverted plate, so that crude oil in natural gas can be better condensed. Furthermore, the bottom end of the condensate drain pipe penetrates through the separation tank and extends to the inside of the separation tank, and the top of the natural gas secondary exhaust pipe is fixedly connected with the bottom of the gas guide cap.

Furthermore, a foam removing net is fixedly arranged in the inner cavity of the separation tank, the left side of the separation tank is communicated with a sewage discharge pipe, and the foam removing net can remove foams generated in the crude oil conveying process.

Furthermore, the bottom of the separation tank is communicated with a sand discharge pipe, the outer surface of the first mist catching box is communicated with a crude oil conveying pipe, and the first mist catching box and the second mist catching box are communicated through a natural gas primary exhaust pipe.

Furthermore, a condensation net is fixedly mounted at the top of the inner cavity of the separation tank, the bottom end of the rotating shaft sequentially penetrates through the separation tank and the condensation net and extends to the outside of the condensation net, and the condensation net can isolate foams on petroleum and can primarily separate the petroleum in natural gas.

Furthermore, an oil-water collecting box is fixedly mounted at the bottom of the inner cavity of the separation tank, the bottom of the first mist catching box is communicated with a crude oil discharge pipe, and the bottom end of the crude oil discharge pipe penetrates through the separation tank and extends to the inside of the separation tank.

(III) advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

1. according to the utility model, through adding a natural gas filtering design, through the matching use of the natural gas secondary exhaust pipe and the gas guide cap and through the matching use of the V-shaped condensate plate and the condensate drain pipe, the petroleum attached to the natural gas is filtered completely, and the problem that a small amount of petroleum is discharged along with the natural gas is avoided.

2. According to the sand discharging device, the design of the auxiliary sand discharging device is added, the rotating shaft is driven to rotate by the motor, and the rotating shaft drives the sand scraping plate to be matched with the fixed disc for use, so that the sand at the bottom of the inner cavity of the separation tank is slowly pushed into the sand discharging pipe, the problem of blockage of the sand discharging pipe caused by sand accumulated at the bottom of the sand discharging pipe for a long time is solved, and the sand discharging efficiency and speed of the sand discharging pipe are improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention 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 utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

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

FIG. 2 is a view showing an internal structure of a separation tank in the embodiment;

FIG. 3 is a perspective view of the motor, the rotating shaft, the fixed disc and the sediment scraper in the embodiment;

FIG. 4 is an enlarged view of A in FIG. 2;

the reference numerals in the drawings denote: 1. a separation tank; 2. a first mist catching box; 3. a second mist catching box; 4. an oil-gas separation device; 41. a V-shaped condensate plate; 42. a gas guide cap; 43. a natural gas secondary exhaust pipe; 44. a condensate drain pipe; 5. a motor case; 6. a motor; 7. a rotating shaft; 8. fixing the disc; 9. a silt scraper plate; 10. removing the bubble net; 11. a sewage discharge pipe; 12. a sand discharge pipe; 13. a crude oil delivery pipe; 14. condensing the net; 15. an oil-water collecting box; 16. a crude oil discharge pipe; 17. the natural gas primary exhaust pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The high-efficiency three-phase separator of the embodiment is shown in fig. 1 to 4, and comprises a separation tank 1, a first mist catching tank 2 is fixedly installed at the top of the separation tank 1, a second mist catching tank 3 is fixedly installed at the top of the separation tank 1 and positioned on the right side of the first mist catching tank 2, an oil-gas separation device 4 is fixedly installed in an inner cavity of the second mist catching tank 3, the oil-gas separation device 4 comprises a V-shaped condensate plate 41, a gas guide cap 42, a natural gas secondary exhaust pipe 43 and a condensate drain pipe 44, a motor box 5 is fixedly installed at the top of the separation tank 1 and positioned between the first mist catching tank 2 and the second mist catching tank 3, a motor 6 is fixedly installed in an inner cavity of the motor box 5, a rotating shaft 7 is fixedly installed at the output end of the motor 6 through a speed reducer, a fixed disc 8 is fixedly installed at the bottom end of the rotating shaft 7, and a sediment scraper 9 is fixedly installed on the outer surface of the fixed disc 8.

As shown in fig. 4, the bottom end of the condensate drain pipe 44 penetrates the separation tank 1 and extends into the separation tank 1, and the top of the natural gas secondary exhaust pipe 43 is fixedly connected to the bottom of the gas guide cap 42.

As shown in figure 2, a defoaming net 10 is fixedly arranged in the inner cavity of the separating tank 1, and a sewage discharge pipe 11 is communicated with the left side of the separating tank 1.

As shown in fig. 2, the bottom of the separation tank 1 is communicated with a sand discharge pipe 12, the outer surface of the first mist catching tank 2 is communicated with a crude oil conveying pipe 13, and the first mist catching tank 2 is communicated with the second mist catching tank 3 through a natural gas primary exhaust pipe 17.

As shown in fig. 2, a coagulation net 14 is fixedly installed on the top of the inner cavity of the separation tank 1, and the bottom end of the rotating shaft 7 penetrates through the separation tank 1 and the coagulation net 14 in sequence and extends to the outside of the coagulation net 14.

As shown in FIG. 2, an oil-water collecting box 15 is fixedly arranged at the bottom of the inner cavity of the separation tank 1, a crude oil discharge pipe 16 is communicated with the bottom of the first mist catching tank 2, and the bottom end of the crude oil discharge pipe 16 penetrates through the separation tank 1 and extends into the separation tank 1.

In the implementation, the petroleum is reduced to be discharged along the natural gas, the crude oil enters the first mist catching box 2 through the crude oil conveying pipe 13, the natural gas in the crude oil can be separated out for the first time, then enters the separation tank 1 through the crude oil conveying pipe 16, the natural gas, the petroleum, the water and the sand and stones in the crude oil are separated out through the cooperation of the bubble removing net 10 and the oil-water collecting box 15, the separated natural gas is conveyed into the second mist catching box 3 through the natural gas secondary exhaust pipe 43, the primarily separated natural gas enters the second mist catching box 3 through the natural gas primary exhaust pipe 17, the oil-gas separation device 4 in the second mist catching box 3 separates the residual crude oil in the natural gas, and the condensed crude oil is discharged into the separation tank 1 through the condensed liquid discharge pipe 44;

in order to ensure that the sand deposited on the bottom of the separation tank 1 can smoothly enter the sand discharge pipe 12, the motor 6 drives the rotating shaft 7 to rotate, and the rotating shaft 7 drives the sand scraper 9 to rotate through the fixed disc 8, so that the sand deposited on the bottom of the separation tank 1 can smoothly enter the sand discharge pipe 12.

In conclusion, the petroleum is reduced to be discharged along the natural gas, the crude oil enters the first mist catching box 2 through the crude oil conveying pipe 13, the natural gas in the crude oil can be separated out for the first time, then enters the separation tank 1 through the crude oil discharging pipe 16, the natural gas, the petroleum, the water and the sand and stones in the crude oil are separated out through the cooperation of the defoaming net 10 and the oil-water collecting box 15, the separated natural gas is conveyed into the second mist catching box 3 through the natural gas secondary exhaust pipe 43, the primarily separated natural gas enters the second mist catching box 3 through the natural gas primary exhaust pipe 17, the oil-gas separation device 4 in the second mist catching box 3 separates the residual crude oil in the natural gas, and the condensed crude oil is discharged into the separation tank 1 through the condensed liquid discharge pipe 44;

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill 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 corresponding technical solutions.

Claims

1. An efficient three-phase separator, comprising a separator tank (1), characterized in that: the top fixed mounting of knockout drum (1) has first spray box (2), the top of knockout drum (1) and the right-hand fixed mounting that is located first spray box (2) have second spray box (3), the inner chamber fixed mounting of second spray box (3) has oil-gas separation device (4), oil-gas separation device (4) include V type condensate board (41), gaseous guide cap (42), natural gas second grade blast pipe (43) and condensate calandria (44), the top of knockout drum (1) and be located fixed mounting between first spray box (2) and second spray box (3) have motor case (5), the inner chamber fixed mounting of motor case (5) has motor (6), the output of motor (6) passes through speed reducer fixed mounting has rotation axis (7), the bottom fixed mounting of rotation axis (7) has fixed disk (8), and a sediment scraper (9) is fixedly arranged on the outer surface of the fixed disc (8).

2. A high efficiency three phase separator as defined in claim 1 wherein: the bottom of the condensate drain pipe (44) penetrates through the separation tank (1) and extends to the inside of the separation tank (1), and the top of the natural gas secondary exhaust pipe (43) is fixedly connected with the bottom of the gas guide cap (42).

3. A high efficiency three phase separator as defined in claim 1 wherein: the inner chamber fixed mounting of knockout drum (1) has except that bubble net (10), the left side intercommunication of knockout drum (1) has blow off pipe (11), communicate through condensate calandria (44) between No. two mist catching case (3) and knockout drum (1).

4. A high efficiency three phase separator as defined in claim 1 wherein: the bottom of the separation tank (1) is communicated with a sand discharge pipe (12), the outer surface of the first mist catching box (2) is communicated with a crude oil conveying pipe (13), and the first mist catching box (2) and the second mist catching box (3) are communicated through a natural gas primary exhaust pipe (17).

5. A high efficiency three phase separator as defined in claim 1 wherein: the top fixed mounting of knockout drum (1) inner chamber has congeals netting (14), the bottom of rotation axis (7) runs through knockout drum (1) and congeals netting (14) in proper order and extends to the outside of congealing netting (14).

6. A high efficiency three phase separator according to claim 1 wherein: an oil-water collecting box (15) is fixedly mounted at the bottom of the inner cavity of the separation tank (1), the bottom of the first mist catching box (2) is communicated with a crude oil discharge pipe (16), and the bottom end of the crude oil discharge pipe (16) penetrates through the separation tank (1) and extends to the inside of the separation tank (1).