Double-layer steel structure skid-mounted chemical injection control system for offshore platform

Abstract

The utility model discloses a double-layer steel structure skid-mounted chemical injection control system for an offshore platform, which comprises a steel frame seat, the top of the steel frame seat is connected with an operation platform through a support rod, the top of the operation platform is provided with a protective top, and a ladder stand is arranged between the steel frame seat and the operation platform; a chemical agent box is arranged on the operation platform, and a liquid outlet pipe of the chemical agent box extends downwards into the steel frame seat; a liquid supply assembly is arranged in the steel frame base, and the tail end of the liquid supply assembly is connected with a liquid drainage pipeline. The device has the beneficial effects that the chemical agent can be assisted to be more efficiently conveyed to the liquid supply assembly by utilizing the characteristic that the chemical agent flows downwards, and the injection process of the chemical agent is optimized; and secondly, the system adopts a double-layer steel structure skid-mounted design, so that the whole equipment structure is more stable and reliable, adapts to the complex environment of an offshore platform, and has stronger wind resistance and shock resistance.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical injection control field, concretely relates to a double -deck steel structure pry dress chemical injection control system for offshore platform. BACKGROUND

[0002] The injection control equipment is the equipment for accurately controlling and conveying chemical medicaments, is widely used in industrial production, environmental protection, petroleum chemical industry and the like. Its main function is to accurately inject specific kinds and dosage of chemical medicaments according to demand to reach the purposes such as adjusting process, controlling pollution, inhibiting corrosion, promoting reaction and the like. In the petroleum and natural gas industry, the injection control equipment is commonly used in oil and gas well water injection, improving oil recovery, inhibiting corrosion in well and the like;In chemical production, it is commonly used in injection of catalyst, reaction control and medicament adding in wastewater treatment and the like. In addition, the injection control equipment is also widely used in water treatment, agricultural irrigation, sewage treatment and the like, to ensure accurate feeding and stable conveying of chemical medicaments.

[0003] For the conventional offshore oil production platform chemical medicament injection control system pry dress equipment, the appearance structure design adopts single layer form, due to the chemical medicament tank needing to occupy relatively large plane area, generally will cause the same scale injection control system pry dress overall area to be large, which is not conducive to the overall arrangement of the oil production platform. SUMMARY

[0004] The utility model discloses a double -deck steel structure pry dress chemical injection control system for offshore platform, which solves the above problems, and details are described below.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a double -deck steel structure pry dress chemical injection control system for offshore platform, including steel frame seat, the top of steel frame seat is connected with operation platform through support rod, the top of operation platform is equipped with the protection top, be equipped with the ladder between steel frame seat and operation platform;

[0007] At least one chemical medicament tank is arranged on the operation platform, and the liquid outlet pipe of the chemical medicament tank extends downward into the steel frame seat;The steel frame seat includes not less than one group of liquid supply assembly, the liquid inlet end of each group of liquid supply assembly is connected with the liquid outlet pipe of the chemical medicament tank, and the liquid outlet pipe is connected with the liquid outlet pipe.

[0008] Further, the liquid supply assembly includes an outlet collector and a chemical medicament metering pump arranged in series, the liquid inlet end of the outlet collector is communicated with the liquid guide pipe corresponding to the liquid outlet pipe of the chemical medicament tank, and a pipe valve is arranged on the liquid guide pipe, and the liquid outlet end of the chemical medicament metering pump is communicated with the liquid outlet pipe.

[0009] Further illustrate, the pipeline valve, chemical agent metering pump are electric control components, and with control module electrically connected.

[0010] Further illustrate, the protective roof top surface is inverted "V" shape, the protective roof top surface is equipped with solar panel, the solar panel is connected with battery pack through inverter controller, the battery pack and control module electrically connected.

[0011] Further illustrate, the chemical agent tank is equipped with liquid level meter for the liquid in it, the liquid inlet pipe of the chemical agent tank is equipped with auxiliary liquid inlet metering pump, the metering pump and the liquid level meter are electrically connected with the control module.

[0012] Further illustrate, the control module is connected with terminal monitoring alarm equipment through communication module.

[0013] Further illustrate, the steel frame seat contains frame, the inside of the frame is equipped with longitudinal and transverse staggered grid frame body, the surface of the grid frame body is supported by "L" shaped support to the liquid supply assembly.

[0014] Further illustrate, the outside of the steel frame seat and / or the chemical agent metering pump is equipped with protective cage outside the ladder.

[0015] Further illustrate, the operation platform is provided with protective net around.

[0016] Beneficial effect lies in:

[0017] The system can utilize the characteristics of chemical agent flowing downward, to assist the chemical agent to be more efficiently delivered to the liquid supply assembly, and optimize the injection process of the chemical agent.

[0018] Secondly, the system adopts double-layer steel structure pry design, so that the whole equipment structure is more stable and reliable, adapts to the complex environment of offshore platform, has strong wind resistance and shock resistance.

[0019] At the same time, the closed and automatic control function of the system significantly improves the safety of offshore operation, ensures the safety of the operator and improves the operation efficiency. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Fig. 1 is the three-dimensional model structure diagram of the present application.

[0022] Fig. 2 is the front view of the utility model;

[0023] Fig. 3 is the left view of the utility model.

[0024] The sign of the drawing is explained as follows:

[0025] 1, steel seat; 2, chemical agent metering pump; 3, outlet collector; 4, pipeline valve; 5, chemical agent tank; 6, liquid level meter; 7, operation platform; 8, ladder; 9, cage; 10, protective roof; 11, control module; 12, solar panel. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model.

[0027] First embodiment:

[0028] Referring to Figs. 1-3 As shown in the utility model provides a kind of offshore platform with double-layer steel structure pry dress chemical injection control system, as the basic support part of entire device, mainly through steel seat 1 and operation platform 7 provide structural support, operation platform 7 is located above steel seat 1, and two platforms are supported and connected by strut, form the support of operation platform 7, protective roof 10 is equipped on the top of operation platform 7, for protecting equipment and operating personnel on operation platform 7 by protective roof 10, reduce wind and rain, ensure safe operation;And steel seat 1 and operation platform 7 are equipped with ladder 8, personnel can be assisted to go up and down operation platform by ladder, facilitate maintenance and routine inspection;

[0029] Operation platform 7 is equipped with at least one chemical agent tank 5, chemical agent tank 5 can store chemical agent, multiple chemical agents can be classified and stored by different chemical agent tank 5, usually for various chemicals required in offshore platform production process, chemical agent tank 5 is equipped with multiple liquid outlet pipes, and the liquid outlet pipe of chemical agent tank 5 extends downward to steel seat 1 inside;

[0030] The steel frame seat 1 comprises at least one liquid supply assembly. The number of liquid supply assemblies is determined according to the number of devices that need to be supplied with liquid. Further, the number of liquid outlet pipes at the bottom of the chemical agent tank 5 is consistent with the number of liquid supply assemblies, which are used to proportion and deliver the chemical agent through different liquid supply assemblies. The liquid inlet end of each liquid supply assembly is connected to the liquid outlet pipe of the chemical agent tank 5, and the end of the liquid supply assembly is connected to the liquid discharge pipeline. The double-layer steel structure pry chemical injection control system provides an efficient, stable and safe solution for various chemical injection operations on offshore platforms. The chemical agent can be assisted to flow towards the liquid supply assembly by using the downward flow of the chemical agent itself. The chemical agent can be proportioned through the liquid supply assembly, which can greatly improve the safety and efficiency of offshore operations and reduce the risk of environmental pollution.

[0031] In the preferred embodiment, the liquid supply assembly comprises an outlet collector 3 and a chemical agent metering pump 2 arranged in series. The liquid inlet end of the outlet collector 3 is connected to the liquid outlet pipe of the chemical agent tank 5 through a corresponding liquid guide pipeline. The outlet collector 3 collects the chemical agent transmitted from the chemical agent tank 5 through the liquid guide pipeline, providing a stable liquid source for the subsequent chemical agent metering pump 2. A pipeline valve 4 is arranged on the liquid guide pipeline. The pipeline valve 4 is installed on the liquid guide pipeline to adjust the flow of the chemical agent or cut off the flow of the liquid. The liquid outlet end of the chemical agent metering pump 2 is connected to the liquid discharge pipeline. In the above structure, the pipeline valve 4, the outlet collector 3 and the chemical agent metering pump 2 are electrically controlled components and are electrically connected to the control module 11. The control module 11 is used to electrically control the pipeline valve 4, the outlet collector 3 and the chemical agent metering pump 2. The control module 11 comprises a PLC controller, which can be Siemens S7-1200 / 1500 or Omron CP1H / CP2E. Specifically, the pipeline valve 4 can be Fisher 467 series. The opening degree of the valve can be controlled by an electric actuator, and the liquid flow can be accurately adjusted. The PLC controller sends a 4-20mA control signal, and the electric actuator adjusts the opening degree of the pipeline valve 4 according to the signal. The chemical agent metering pump 2 can be ProMinent DME series. The PLC controller outputs a 4-20mA analog signal to the chemical agent metering pump 2. The built-in controller of the chemical agent metering pump 2 receives the signal and adjusts the output flow of the pump according to the signal, thereby controlling the liquid output.

[0032] The control module 11 is connected with the terminal monitoring alarm device through the communication module, the PLC controller transmits data with the communication module, remote device, host computer and the like through the serial interface; the communication module selects CP-1243-1 (for Siemens S7-1200 PLC) or CS1W-CN226 (for Omron PLC), the PLC controller and the communication module transmit data through the preset communication protocol, so that the system can be monitored through the terminal device.

[0033] In addition, the chemical agent tank 5 is provided with a liquid level meter 6 for measuring the liquid inside, and a metering pump is arranged at the liquid inlet pipe of the chemical agent tank 5 to assist liquid inlet. The metering pump and the liquid level meter 6 are electrically connected with the control module 11, and the automatic management of liquid measurement and control is realized through the electrical connection with the control module 11. The liquid level meter 6 is installed on the chemical agent tank 5 and is used to monitor the real-time liquid level in the agent tank. Common liquid level meters 6 include float type liquid level meters, capacitive type liquid level meters or ultrasonic liquid level meters, etc. The liquid level meter 6 feeds back the liquid level information to the control module 11 through a sensor. If the liquid level is too low or too high, the control module can send corresponding control signals according to the set value.

[0034] Specifically, the liquid level meter 6 is usually equipped with analog or digital output to transmit the liquid level information by connecting with the control module 11. For example, the liquid level meter 6 outputs a voltage or current signal (such as 4-20 mA or 0-10 V) proportional to the liquid level, and the liquid level meter 6 can communicate with the control module 11 through serial communication (such as RS-485 or Modbus protocol); the control module 11 continuously receives the signal of the liquid level meter 6 and judges according to the set liquid level range.

[0035] The second embodiment differs from the first embodiment in that:

[0036] The top surface of the protective roof 10 is in the shape of an inverted "V", which enhances the rainwater drainage capacity and improves the protection effect. The top surface of the protective roof 10 is provided with a solar panel 12, the solar panel 12 is connected with a battery pack through an inverter controller, the battery pack is electrically connected with the control module 11, the solar panel 12 is installed on the top surface of the protective roof 10, and the solar panel 12 converts sunlight into electrical energy, so that the entire device can effectively utilize solar energy and reduce traditional power consumption. The solar panel 12 converts sunlight into direct current DC through photovoltaic effect, the electrical energy of the solar panel 12 is then transmitted to the inverter controller, the inverter controller converts the direct current generated by the solar panel 12 into an appropriate type of electrical energy for the battery pack and other devices, and the inverter controller has safety functions of overload protection and overheat protection, ensuring the safety and efficiency of the power conversion process.

[0037] The control module 11 is the "brain" of the entire system in the device, and can directly supply power to the control module and power equipment in the device through the battery pack.

[0038] The third embodiment differs from the first embodiment in that:

[0039] The steel frame seat 1 comprises a frame-shaped frame, the inside of the frame-shaped frame is provided with a longitudinal and transverse intersecting grid frame body, the surface of the grid frame body is supported and provided with a liquid supply assembly through an "L" shaped support, the grid frame body is formed by interweaving horizontal and vertical metal strips, has good permeability, and can share load and provide support points for other equipment, the liquid supply assembly is stably installed on the surface of the grid frame body through the "L" shaped support, and balance is maintained during long time operation.

[0040] The outside of the steel frame seat 1 and / or the chemical agent metering pump 2 is provided with a cage 9 located outside the ladder 8, the cage 9 can prevent accidental collision or falling of the operator when approaching the equipment, and ensure the safety of the surrounding area of the equipment, which is generally made of metal material and has sufficient strength and stability, and can effectively prevent the contact of objects or personnel and avoid danger. The operation platform 7 is provided with a protective net around, which further enhances the safety of the operator. The protective net can effectively prevent the operator from falling or being injured by external objects when maintaining, debugging or operating the equipment. The design of the protective net usually conforms to the safety specification, has good perspective and sufficient protection performance, and ensures the safety and reliability of the environment around the operation platform.

[0041] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A double-layer steel structure pry chemical injection control system for offshore platforms, comprising a steel pedestal (1), characterized in that: the top of the steel pedestal (1) is connected with an operation platform (7) through a support rod, the top of the operation platform (7) is provided with a protective roof (10), and a crawling ladder (8) is arranged between the steel pedestal (1) and the operation platform (7); at least one chemical agent tank (5) is arranged on the operation platform (7), and a liquid outlet pipe of the chemical agent tank (5) extends downward into the steel pedestal (1); the steel pedestal (1) comprises at least one liquid supply assembly, a liquid inlet end of each liquid supply assembly is connected with the liquid outlet pipe of the chemical agent tank (5), and a liquid outlet pipeline is connected to the end of the liquid supply assembly.

2. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 1, characterized in that: the liquid supply assembly comprises a serially arranged outlet collector (3) and a chemical agent metering pump (2), a liquid inlet end of the outlet collector (3) is communicated with a corresponding liquid guide pipeline of the liquid outlet pipe of the chemical agent tank (5), a pipeline valve (4) is arranged on the liquid guide pipeline, and a liquid outlet end of the chemical agent metering pump (2) is communicated with the liquid outlet pipeline.

3. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 2, characterized in that: The pipeline valve (4) and the chemical agent metering pump (2) are electric control components and are electrically connected with a control module (11).

4. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 3, characterized in that: The top surface of the protective roof (10) is in an inverted "V" shape, the top surface of the protective roof (10) is provided with a solar panel (12), the solar panel (12) is connected with a battery pack through an inverter controller, and the battery pack is electrically connected with the control module (11).

5. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 3, characterized in that: A liquid level meter (6) for measuring the liquid in the chemical agent tank (5) is arranged on the chemical agent tank (5), a metering pump for assisting liquid inlet is arranged at a liquid inlet pipe of the chemical agent tank (5), and the metering pump and the liquid level meter (6) are electrically connected with the control module (11).

6. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 3, characterized in that: The control module (11) is connected with terminal monitoring and alarm equipment through a communication module.

7. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 6, characterized in that: The steel pedestal (1) comprises a frame-shaped frame, longitudinal and transverse intersecting grid frame bodies are arranged on the inner side of the frame-shaped frame, and the grid frame bodies are supported and arranged with the liquid supply assembly through "L"-shaped supports.

8. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 7, characterized in that: The outer side of the steel pedestal (1) and / or the chemical agent metering pump (2) is provided with a protective cage (9) located outside the crawling ladder (8).

9. A double-layer steel structure pry chemical injection control system for offshore platforms according to claim 8, characterized in that: The operation platform (7) is provided with a protective net around.

Images