CN219392009U - Offshore oil and gas field discharged production water oil-containing concentration monitoring device - Google Patents

Abstract

The utility model discloses an offshore oil and gas field discharged production water oil concentration monitoring device, which comprises a tank body, wherein one side of the tank body is provided with a water inlet pipe in a penetrating manner, the water inlet pipe is provided with a water inlet valve, one side of the water inlet valve is provided with a flow control valve, the upper part of the tank body is provided with a driving motor, the output end of the driving motor is provided with a rotating shaft in a penetrating manner, two ends of the lower part of the rotating shaft are fixedly connected with rotating rods, two ends of the rotating rods are fixedly connected with cleaning brushes, the inside of the tank body is provided with a detection module, production water can be fed into the inside of the tank body through the water inlet pipe, the flow of a water sample can be in a proper range under the action of a water inlet rigid valve and the flow control valve, the detection accuracy is ensured, and meanwhile, the detection module can carry out automatic accurate detection on the oil content without manual detection, so that the convenience and the practicability are improved.

Description

Offshore oil and gas field discharged production water oil-containing concentration monitoring device

Technical Field

The utility model relates to the field of slurry pumps, in particular to an oil concentration monitoring device for discharged production water of an offshore oil and gas field.

Background

The oilfield produced water is a byproduct in the oilfield exploitation process and is also the largest wastewater in the oil exploitation process; the characteristics of the produced water are not completely the same along with different oil field sites, different water quality of reinjection water, different geological conditions, different oil extraction methods and the like, and in recent years, along with the continuous enhancement of environmental protection policies in China, the oil content of the produced water is monitored in a key way as one of the most important water quality indexes;

for a long time, the oil content of the production water is monitored by adopting a manual sampling mode, and the defects of low monitoring frequency and high labor intensity exist. Particularly in the environment of offshore platforms, whenever severe weather such as typhoons, storm and the like comes, the manual monitoring work can be stopped due to the safety problem, so that the monitoring of water quality is insufficient. On the other hand, although the online monitoring device for the oil content of the production water is applied to the offshore platform, the monitoring device basically has the problems of easy pollution, unclean cleaning, easy damage and the like because of the environment and the water quality characteristics of the offshore platform, frequent manual intervention and cleaning are required, and the requirements of unmanned on water quality monitoring and maintenance-free of the existing offshore platform cannot be met.

Disclosure of Invention

The utility model aims to provide an offshore oil and gas field discharged production water oil-containing concentration monitoring device, which solves the problems of low monitoring frequency and high labor intensity caused by manual sampling in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme that the device for monitoring the oil concentration of the water discharged from the offshore oil and gas field comprises a tank body, wherein one side of the tank body is provided with a water inlet pipe in a penetrating way, the water inlet pipe is provided with a water inlet valve, one side of the water inlet valve is provided with a flow control valve, a driving motor is arranged above the tank body, and the output end of the driving motor is provided with a rotating shaft in a penetrating way;

the rotary rod is fixedly connected to two ends of the lower portion of the rotary shaft, the cleaning brushes are fixedly connected to two ends of the rotary rod, and the detection module is arranged in the tank body.

As a further description of the above technical solution: the other end of the tank body is provided with a cleaning pipe in a penetrating way, and the outer side of the tank body is provided with a controller.

As a further description of the above technical solution: one end fixedly connected with connecting piece of inlet tube, the inside fixedly connected with solid fixed ring of connecting piece.

As a further description of the above technical solution: the inside of solid fixed ring is provided with the spacing groove, the inside of spacing groove corresponds and is provided with the stopper, the inside fixedly connected with filter screen of stopper.

As a further description of the above technical solution: the limiting block is connected with the screw rod through internal threads of the limiting groove.

As a further description of the above technical solution: the bottom of the tank body is provided with a water outlet in a penetrating way, and the outer side of the tank body is fixedly connected with a supporting frame.

The utility model has the following beneficial effects:

1. compared with the prior art, the offshore oil and gas field discharged production water oil-containing concentration monitoring device can send production water into the tank body through the water inlet pipe, and can enable the flow of a water sample to be in a proper range under the action of the water inlet rigid valve and the flow control valve, so that the detection accuracy is ensured, meanwhile, the detection module is arranged to automatically accurately detect the oil content, manual detection is not needed, convenience and practicability are improved, and meanwhile, the driving assembly and the cleaning brush are arranged to clean the tank body, so that the internal adhesion is prevented from influencing the next detection;

2. compared with the prior art, this marine oil gas field is discharged production water and is contained oily concentration monitoring devices outward can be connected with the pipeline that carries production water through setting up the connecting piece, and can intercept inside impurity under the effect of filter screen, prevent that impurity from entering into the inside of jar body and causing the influence to the detection of oily concentration, detachable structure can ensure that the filter screen can regularly clear up simultaneously, ensures filterable effect.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated by the following figures and examples;

FIG. 1 is a schematic diagram of the overall structure of an offshore oil and gas field drainage produced water oil concentration monitoring device;

FIG. 2 is a schematic diagram of the structure of a cleaning assembly of the device for monitoring the oil concentration of the discharged produced water of the offshore oil and gas field;

FIG. 3 is a cross-sectional view of an offshore field off-stream produced water oil concentration monitoring apparatus of the present utility model;

FIG. 4 is a schematic diagram showing the installation of a filter screen of the device for monitoring the oil concentration of the discharged water of the offshore oil and gas field.

Legend description:

1. a driving motor; 2. a controller; 3. a connecting piece; 4. a water inlet valve; 5. a flow control valve; 6. a water inlet pipe; 7. a water outlet; 8. a support frame; 9. cleaning the tube; 10. a tank body; 11. a rotating shaft; 12. a rotating rod; 13. a cleaning brush; 14. a detection module; 15. a limiting block; 16. a filter screen; 17. a screw; 18. a limit groove; 19. and a fixing ring.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an offshore oil gas field drainage production water oil-containing concentration monitoring devices, including a jar body 10, jar body 10 one side runs through and is provided with inlet tube 6, can let in the inside of jar body 10 with the water sample through inlet tube 6, be provided with inlet valve 4 on the inlet tube 6, can control the switch of inlet tube 6 through inlet valve 4, one side of inlet valve 4 is provided with flow control valve 5, can make the water sample flow be in suitable range under the effect of flow control valve 5, guarantee the accuracy of detection, jar body 10 top is provided with driving motor 1, driving motor 1's output runs through inwards and is provided with pivot 11, can make pivot 11 rotate through starting driving motor 1;

the two ends of the lower part of the rotating shaft 11 are fixedly connected with rotating rods 12, the two ends of the rotating rods 12 are fixedly connected with cleaning brushes 13, a detection module 14 is arranged in the tank body 10, the rotating rods 12 can be driven to rotate through the rotating shafts 11, cleaning work can be carried out on the interior of the tank body 10 under the action of the cleaning brushes 13, the influence of the adhesion of the inner wall of the tank body 10 on the next detection is prevented, meanwhile, a water sample flows into the detection module 14 to monitor the oil content, obtained data are sent to a water quality analyzer through a sensor to carry out oil content analysis, and analysis data are transmitted to a control terminal on site through a network cable through a data collector to carry out real-time monitoring and recording of the data;

the other end of the tank body 10 is provided with the cleaning pipe 9 in a penetrating way, the outer side of the tank body 10 is provided with the controller 2, detected data can be displayed through the controller 2, a worker can check conveniently, one end of the water inlet pipe 6 is fixedly connected with the connecting piece 3, and the inside of the connecting piece 3 is fixedly connected with the fixing ring 19.

The inside of solid fixed ring 19 is provided with spacing groove 18, the inside of spacing groove 18 corresponds and is provided with stopper 15, the inside fixedly connected with filter screen 16 of stopper 15, the inside threaded connection of stopper 15 and spacing groove 18 has screw rod 17, the bottom of jar body 10 runs through and is provided with delivery port 7, the outside fixedly connected with support frame 8 of jar body 10, can be connected with external conveyer pipe through connecting piece 3, open water intaking valve 4, can let in the inside of jar body 10 with the production water that needs to detect through the water pump, and inside filter screen 16 can filter the impurity in the water sample, prevent that impurity in the water sample from entering into the inside result that influences the detection of jar body 10, can make things convenient for the staff to dismantle the filter screen 16 under stopper 15 and spacing groove 18 simultaneously and wash, increase its filterable effect.

Working principle: when the device is used, firstly, the connecting piece 3 is connected with an external conveying pipe, the water inlet valve 4 is opened, the production water to be detected can be introduced into the tank body 10 through the water pump, and the flow of the water sample can be in a proper range through the flow control valve 5, the detection accuracy is guaranteed, the water sample flows into the detection module 14 for monitoring the oil content, wherein the obtained data is sent to the water quality analyzer through the sensor for oil analysis, the analysis data is transmitted to the on-site control terminal through the network cable through the data collector for real-time data monitoring and recording, the water sample can be discharged through the water outlet 7 at the bottom after detection, then the cleaning water and the liquid medicine are discharged into the tank body 10 through the cleaning pipe 9 at the other end for cleaning, and finally, the driving motor 1 is started to enable the rotary shaft 11 to drive the rotary rod 12 and the cleaning brush 13 for rotating, so that the inner wall of the tank body 10 can be cleaned, the inner wall of the tank body 10 is prevented from being uncleanly cleaned, the next detection is affected, the whole device is convenient to detect, the automatic degree is high, and the labor intensity of workers is reduced.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The device for monitoring the oil concentration of the water in the discharged production water of the offshore oil and gas field comprises a tank body (10) and is characterized in that a water inlet pipe (6) is arranged on one side of the tank body (10) in a penetrating manner, a water inlet valve (4) is arranged on the water inlet pipe (6), a flow control valve (5) is arranged on one side of the water inlet valve (4), a driving motor (1) is arranged above the tank body (10), and a rotating shaft (11) is arranged on the output end of the driving motor (1) in a penetrating manner;

the cleaning brush is characterized in that two ends of the lower part of the rotating shaft (11) are fixedly connected with rotating rods (12), two ends of each rotating rod (12) are fixedly connected with cleaning brushes (13), and a detection module (14) is arranged in the tank body (10).

2. The offshore oil and gas field drainage production water oil content concentration monitoring device according to claim 1, wherein a cleaning pipe (9) is arranged at the other end of the tank body (10) in a penetrating manner, and a controller (2) is arranged at the outer side of the tank body (10).

3. The offshore oil and gas field drainage production water oil concentration monitoring device according to claim 1, wherein one end of the water inlet pipe (6) is fixedly connected with a connecting piece (3), and the inside of the connecting piece (3) is fixedly connected with a fixing ring (19).

4. An offshore oil and gas field drainage production water oil-containing concentration monitoring device according to claim 3, characterized in that a limiting groove (18) is formed in the fixing ring (19), a limiting block (15) is correspondingly arranged in the limiting groove (18), and a filter screen (16) is fixedly connected to the inside of the limiting block (15).

5. The offshore oil and gas field drainage production water oil content concentration monitoring device according to claim 4, wherein the limiting block (15) is connected with a screw (17) through internal threads of the limiting groove (18).

6. The offshore oil and gas field drainage production water oil concentration monitoring device according to claim 1, wherein a water outlet (7) is formed in the bottom of the tank body (10) in a penetrating manner, and a supporting frame (8) is fixedly connected to the outer side of the tank body (10).