Demulsifier adding equipment for oil and gas gathering and transportation

Abstract

The utility model relates to the technical field of adding equipment, in particular to demulsifier adding equipment for oil and gas gathering and transportation, which comprises a gathering and transportation pipeline body and a feeding assembly, and the feeding assembly comprises a box body, a connecting pipe, a metering cylinder, a sliding column, a rubber plug, an air cylinder, a hollow column, a hydraulic cylinder, a liquid outlet pipe and an electromagnetic valve. When the demulsifying agent enters the metering cylinder, the demulsifying agent abuts against the rubber plug to move downwards, the space in the metering cylinder is reduced, the demulsifying agent can automatically enter the metering cylinder from the feeding port due to gravity, then the hydraulic cylinder is started to abut against the sliding column to move in the hollow column till the feeding port completely enters the connecting pipe, at the moment, the electromagnetic valve is opened, and the demulsifying agent is discharged from the liquid outlet pipe. In this way, workers can accurately and evenly add the demulsifier, the workload of the workers is effectively reduced, and it is guaranteed that the viscosity of crude oil is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of adding equipment, in particular to a demulsifier adding equipment for oil and gas gathering and transportation. Background Art

[0002] Demulsifiers need to be added during oil and gas transportation. Demulsifiers are surfactants that can destroy emulsions. They mainly destroy emulsions by partially replacing the stabilizing membrane. Used as a dehydrating agent, they can remove water from crude oil and heavy oil to meet the water content requirements. They can be used in oil wells to reduce crude oil viscosity and prevent oil wells from being blocked. They are obtained by the polymerization of fatty alcohols, propylene oxide, and ethylene oxide, are easily soluble in water, and are light yellow or milky white viscous liquids.

[0003] Existing demulsifiers are mainly added manually, and the added metering cannot be accurately controlled, which easily increases the workload of the staff and thus affects the reduction of crude oil viscosity. Utility Model Content

[0004] The purpose of the utility model is to provide a demulsifier adding device for oil and gas gathering and transportation, aiming to solve the problem that the existing demulsifier is mainly added manually, the added metering cannot be accurately controlled, which easily increases the workload of the staff and thus affects the reduction of crude oil viscosity.

[0005] To achieve the above-mentioned purpose, the utility model provides a demulsifier adding device for oil and gas gathering and transportation, including a gathering and transportation pipeline body and a feeding component, the feeding component including a box body, a connecting pipe, a metering cylinder, a sliding column, a rubber stopper, a cylinder, a hollow column, a hydraulic cylinder, a liquid outlet pipe and a solenoid valve, the feeding component is arranged on the outer side wall of the gathering and transportation pipeline body; the connecting pipe is communicated with the gathering and transportation pipeline body and is located on the outer side wall of the gathering and transportation pipeline body, the box body is communicated with the connecting pipe and is located above the connecting pipe, the hollow column is fixedly connected to the box body and is located on the inner top wall of the box body, the sliding column is slidably connected to the hollow column and is located on the inner side wall of the hollow column, the hydraulic cylinder is fixedly connected to the hollow column and is located The inner top wall of the hollow column, the output end of the hydraulic cylinder is fixedly connected to the sliding column and is located above the sliding column, the metering cylinder is slidably connected to the connecting pipe and is located on the inner side wall of the connecting pipe, the metering cylinder is fixedly connected to the sliding column and is located below the sliding column, the cylinder is fixedly connected to the metering cylinder and is located on the inner top wall of the metering cylinder, the rubber stopper is slidably connected to the metering cylinder and is located on the inner side wall of the metering cylinder, the output end of the cylinder is fixedly connected to the rubber stopper and is located above the rubber stopper, the liquid outlet pipe is connected to the metering cylinder and is located below the metering cylinder, the solenoid valve is connected to the liquid outlet pipe and is located in the middle of the liquid outlet pipe, and the metering cylinder has a feed port.

[0006] Wherein, the feeding assembly further includes a controller, which is fixedly connected to the box body and located on the outer side wall of the box body, and the controller is electrically connected to the hydraulic cylinder, the air cylinder and the solenoid valve.

[0007] The demulsifier adding equipment for oil and gas gathering and transportation further comprises a feed assembly, and the feed assembly is arranged above the box.

[0008] In which, the feed assembly includes a feed pipe, a sealing cover, a sealing gasket and a docking flange. The feed pipe is connected to the box body and is located above the box body. The sealing cover is detachably connected to the feed pipe and is located above the feed pipe. The sealing gasket is detachably connected to the sealing cover and is located below the sealing cover, and the sealing gasket is in contact with the feed pipe. The docking flange is fixedly connected to the feed pipe and is located on the outer wall of the feed pipe.

[0009] Wherein, the demulsifier adding equipment for oil and gas gathering and transportation further includes a stirring component, and the stirring component is arranged on the outer side wall of the box body.

[0010] In which, the stirring assembly includes a motor, a rotating shaft, a stirring rod and a support plate, the support plate is fixedly connected to the box body and is located on the inner wall of the box body, the motor is fixedly connected to the support plate and is located above the support plate, the rotating shaft passes through the box body, the output end of the motor is fixedly connected to the rotating shaft and is located at one end of the rotating shaft, and the stirring rod is fixedly connected to the rotating shaft and is located on the outer wall of the rotating shaft.

[0011] The utility model discloses an emulsifier adding device for oil and gas gathering and transportation. First, the air cylinder is started according to the required value, so that it pushes the rubber plug to move downward, reducing the space inside the metering cylinder. Due to gravity, the emulsifier automatically enters the metering cylinder from the feed port. Then, the hydraulic cylinder is started to push the sliding column to move inside the hollow column until the feed port completely enters the connecting pipe. At this time, the solenoid valve is opened to discharge the emulsifier from the liquid outlet pipe and drop it into the gathering and transportation pipeline body. In this way, the staff can add the emulsifier accurately and evenly, effectively reducing the workload of the staff and ensuring the reduction of crude oil viscosity. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the present utility model.

[0014] Figure 2 It is an overall cross-sectional view of the first embodiment of the present utility model.

[0015] Figure 3 This utility model Figure 2 A magnified view of the local structure at point A.

[0016] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the present utility model.

[0017] Figure 5 It is an overall cross-sectional view of the second embodiment of the present utility model.

[0018] 101-gathering pipeline body, 102-feeding assembly, 103-feeding assembly, 104-box, 105-connecting pipe, 106-metering cylinder, 107-sliding column, 108-rubber stopper, 109-cylinder, 110-hollow column, 111-hydraulic cylinder, 112-liquid outlet pipe, 113-solenoid valve, 114-controller, 115-feeding pipe, 116-sealing cover, 117-sealing gasket, 118-docking flange, 119-feeding port, 201-stirring assembly, 202-motor, 203-rotating shaft, 204-stirring rod, 205-support plate. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] First embodiment:

[0021] See also Figures 1 to 3 ,in, Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the present invention. Figure 2 This is a cross-sectional view of the entire first embodiment of the present invention. Figure 3 This utility model Figure 2 A magnified view of the local structure at point A.

[0022] The utility model provides a demulsifier adding device for oil and gas gathering and transportation, comprising a gathering and transportation pipeline body 101, a feeding assembly 102 and a feed assembly 103, wherein the feeding assembly 102 comprises a box body 104, a connecting pipe 105, a metering cylinder 106, a sliding column 107, a rubber stopper 108, a cylinder 109, a hollow column 110, a hydraulic cylinder 111, a liquid outlet pipe 112, a solenoid valve 113 and a controller 114, the feed assembly 103 comprises a feed pipe 115, a sealing cover 116, a sealing gasket 117 and a docking flange 118, and the metering cylinder 106 has a feed port 119.

[0023] In this specific embodiment, the feeding assembly 102 is provided on the outer side wall of the gathering pipeline body 101. The feeding assembly 102 is added to facilitate the staff to accurately and evenly add the demulsifier, effectively reducing the workload of the staff and ensuring the reduction of crude oil viscosity.

[0024] The connecting pipe 105 is connected to the gathering and transportation pipeline body 101 and is located on the outer wall of the gathering and transportation pipeline body 101. The box body 104 is connected to the connecting pipe 105 and is located above the connecting pipe 105. The hollow column 110 is fixedly connected to the box body 104 and is located on the inner top wall of the box body 104. The sliding column 107 is slidably connected to the hollow column 110 and is located on the inner side wall of the hollow column 110. The hydraulic cylinder 111 is fixedly connected to the hollow column 110 and is located inside the hollow column 110. The top wall, the output end of the hydraulic cylinder 111 is fixedly connected to the sliding column 107 and is located above the sliding column 107, the metering cylinder 106 is slidably connected to the connecting pipe 105 and is located on the inner side wall of the connecting pipe 105, the metering cylinder 106 is fixedly connected to the sliding column 107 and is located below the sliding column 107, the cylinder 109 is fixedly connected to the metering cylinder 106 and is located on the inner top wall of the metering cylinder 106, the rubber stopper 108 is slidably connected to the metering cylinder 106 and is located inside the metering cylinder 106. The output end of the cylinder 109 is fixedly connected to the rubber stopper 108 and is located above the rubber stopper 108. The liquid outlet pipe 112 is connected to the metering cylinder 106 and is located below the metering cylinder 106. The solenoid valve 113 is connected to the liquid outlet pipe 112 and is located in the middle of the liquid outlet pipe 112. The metering cylinder 106 has a feed port 119. First, the cylinder 109 is started according to the required value to push the rubber stopper 108 downward to reduce the space inside the metering cylinder 106. Due to the gravity, the liquid outlet pipe 112 is connected to the metering cylinder 106. Because the demulsifier will automatically enter the metering cylinder 106 from the feed port 119, the hydraulic cylinder 111 is started to push the sliding column 107 to move in the hollow column 110 until the feed port 119 completely enters the connecting pipe 105. At this time, the solenoid valve 113 is opened to discharge the demulsifier from the liquid outlet pipe 112 and drop it into the gathering pipeline body 101. In this way, the staff can add the demulsifier accurately and evenly, effectively reducing the workload of the staff and ensuring the reduction of crude oil viscosity.

[0025] Secondly, the controller 114 is fixedly connected to the box body 104 and is located on the outer wall of the box body 104. The controller 114 is electrically connected to the hydraulic cylinder 111, the air cylinder 109 and the solenoid valve 113. First, use PLC to program and click on the controller 114 so that it can control the hydraulic cylinder 111, the air cylinder 109 and the solenoid valve 113 to reduce the fatigue of the staff.

[0026] At the same time, the feeding assembly 103 is arranged above the box body 104 . The feeding assembly 103 is added to facilitate the staff to add the demulsifier and improve the practicality of the box body 104 .

[0027] In addition, the feed pipe 115 is connected to the box body 104 and is located above the box body 104. The sealing cover 116 is detachably connected to the feed pipe 115 and is located above the feed pipe 115. The sealing gasket 117 is detachably connected to the sealing cover 116 and is located below the sealing cover 116. The sealing gasket 117 is in contact with the feed pipe 115. The docking flange 118 is fixedly connected to the feed pipe 115 and is located on the outer wall of the feed pipe 115. The sealing cover 116 is opened and the demulsifier is discharged through the feed pipe 115. A pipe can also be used to connect the docking flange 118 to facilitate the staff to add the demulsifier, thereby improving the practicality of the box body 104.

[0028] When using the demulsifier adding device for oil and gas gathering and transportation of the present invention, first start the cylinder 109 according to the required value, so that it pushes the rubber plug 108 to move downward, reducing the space inside the metering cylinder 106. Due to gravity, the demulsifier will automatically enter the metering cylinder 106 from the feed port 119. Then start the hydraulic cylinder 111 to push the sliding column 107 to move inside the hollow column 110 until the feed port 119 completely enters the connecting pipe 105. At this time, open the solenoid valve 113 to discharge the demulsifier from the liquid outlet pipe 112 and drop it to the In the gathering and transportation pipeline body 101, PLC programming is first performed, and the controller 114 is clicked to enable it to control the hydraulic cylinder 111, the air cylinder 109 and the solenoid valve 113, reducing the fatigue intensity of the staff. The sealing cover 116 is opened, and the demulsifier is discharged through the feed pipe 115. A pipeline can also be used to connect with the docking flange 118 to facilitate the staff to add the demulsifier, thereby improving the practicality of the box 104. In this way, the staff can add the demulsifier accurately and evenly, effectively reducing the workload of the staff and ensuring the reduction of crude oil viscosity.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figure 4 and Figure 5 ,in, Figure 4 This is a schematic diagram of the overall structure of the second embodiment of the present invention. Figure 5 It is an overall cross-sectional view of the second embodiment of the present utility model.

[0031] The utility model provides a demulsifier adding device for oil and gas gathering and transportation, further comprising a stirring assembly 201 . The stirring assembly 201 comprises a motor 202 , a rotating shaft 203 , a stirring rod 204 and a support plate 205 .

[0032] According to this specific embodiment, the stirring assembly 201 is provided on the outer wall of the box body 104. The stirring assembly 201 is added to avoid sedimentation of the raw material and can effectively ensure the reduction of the viscosity of the crude oil.

[0033] Among them, the support plate 205 is fixedly connected to the box body 104 and is located on the inner wall of the box body 104, the motor 202 is fixedly connected to the support plate 205 and is located above the support plate 205, the rotating shaft 203 passes through the box body 104, the output end of the motor 202 is fixedly connected to the rotating shaft 203 and is located at one end of the rotating shaft 203, the stirring rod 204 is fixedly connected to the rotating shaft 203 and is located on the outer wall of the rotating shaft 203, the motor 202 above the support plate 205 is started to drive the rotating shaft 203 to rotate, so that the stirring rod 204 stirs the raw materials, and uses this method to avoid the precipitation of the raw materials, which can effectively ensure the reduction of crude oil viscosity.

[0034] When using the demulsifier addition device for oil and gas gathering and transportation of the present invention, the motor 202 above the support plate 205 is started to drive the rotating shaft 203 to rotate, so that the stirring rod 204 stirs the raw materials. In this way, the raw materials are prevented from settling and the viscosity of the crude oil can be effectively reduced.

[0035] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A demulsifier adding device for oil and gas gathering and transportation, characterized in that: It comprises a gathering and transportation pipeline body and a feeding assembly, wherein the feeding assembly is arranged on the outer side wall of the gathering and transportation pipeline body; The feeding assembly includes a box body, a connecting pipe, a metering cylinder, a sliding column, a rubber stopper, a cylinder, a hollow column, a hydraulic cylinder, a liquid outlet pipe and a solenoid valve. The connecting pipe is connected to the main body of the gathering and transportation pipeline and is located on the outer side wall of the main body of the gathering and transportation pipeline. The box body is connected to the connecting pipe and is located above the connecting pipe. The hollow column is fixedly connected to the box body and is located on the inner top wall of the box body. The sliding column is slidably connected to the hollow column and is located on the inner side wall of the hollow column. The hydraulic cylinder is fixedly connected to the hollow column and is located on the inner top wall of the hollow column. The output end of the hydraulic cylinder is fixedly connected to the sliding column and is located in the Above the sliding column, the metering cylinder is slidably connected to the connecting tube and is located on the inner side wall of the connecting tube, the metering cylinder is fixedly connected to the sliding column and is located below the sliding column, the cylinder is fixedly connected to the metering cylinder and is located on the inner top wall of the metering cylinder, the rubber plug is slidably connected to the metering cylinder and is located on the inner side wall of the metering cylinder, the output end of the cylinder is fixedly connected to the rubber plug and is located above the rubber plug, the liquid outlet pipe is connected to the metering cylinder and is located below the metering cylinder, the solenoid valve is connected to the liquid outlet pipe and is located in the middle of the liquid outlet pipe, and the metering cylinder has a feed port.

2. The demulsifier adding equipment for oil and gas gathering and transportation according to claim 1, characterized in that: The feeding assembly also includes a controller, which is fixedly connected to the box body and located on the outer side wall of the box body, and the controller is electrically connected to the hydraulic cylinder, the air cylinder and the solenoid valve.

3. The demulsifier adding equipment for oil and gas gathering and transportation according to claim 2, characterized in that: The demulsifier adding equipment for oil and gas gathering and transportation further comprises a feed assembly, and the feed assembly is arranged above the box body.

4. The demulsifier adding equipment for oil and gas gathering and transportation according to claim 3, characterized in that: The feed assembly includes a feed pipe, a sealing cover, a sealing gasket and a docking flange. The feed pipe is connected to the box body and is located above the box body. The sealing cover is detachably connected to the feed pipe and is located above the feed pipe. The sealing gasket is detachably connected to the sealing cover and is located below the sealing cover, and the sealing gasket is in contact with the feed pipe. The docking flange is fixedly connected to the feed pipe and is located on the outer side wall of the feed pipe.

5. The demulsifier adding equipment for oil and gas gathering and transportation according to claim 4, characterized in that: The demulsifier adding equipment for oil and gas gathering and transportation further comprises a stirring component, and the stirring component is arranged on the outer side wall of the box body.

6. The demulsifier adding equipment for oil and gas gathering and transportation according to claim 5, characterized in that: The stirring assembly includes a motor, a rotating shaft, a stirring rod and a support plate, wherein the support plate is fixedly connected to the box body and is located on the inner wall of the box body, the motor is fixedly connected to the support plate and is located above the support plate, the rotating shaft passes through the box body, the output end of the motor is fixedly connected to the rotating shaft and is located at one end of the rotating shaft, and the stirring rod is fixedly connected to the rotating shaft and is located on the outer wall of the rotating shaft.

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