CN216814626U - Offshore oil platform distributed heating power pipeline heat supply system - Google Patents
Offshore oil platform distributed heating power pipeline heat supply system Download PDFInfo
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- CN216814626U CN216814626U CN202123102933.6U CN202123102933U CN216814626U CN 216814626 U CN216814626 U CN 216814626U CN 202123102933 U CN202123102933 U CN 202123102933U CN 216814626 U CN216814626 U CN 216814626U
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Abstract
The utility model discloses a distributed heat pipeline heating system of an offshore oil platform, wherein one end of a fuel conveying pipeline provided with a fuel conveying valve is connected with a coal feeder or a gas feeder, the other end of the fuel conveying pipeline is connected with a burner of a heat boiler, one end of a hot fluid outlet pipeline provided with an electric valve, a first temperature sensor and a flow sensor is sequentially arranged in the flow direction of hot fluid and is connected with a hot fluid outlet of the heat boiler, the other end of the hot fluid outlet pipeline is connected with a water supply pipeline at the heat supply tail end of an electric room or a room, a second temperature sensor is arranged in the electric room or the room with the heat supply requirement, one end of a fluid supply pipeline provided with an electric three-way valve is connected with a boiler barrel of the heat boiler, the other end of the fluid supply pipeline is connected with a water supply pipeline of the heat boiler, and one valve port of the electric three-way valve is connected with a water return pipeline at the heat supply tail end of the electric room or the room; each frequency converter is connected with an electric valve motor. By adopting the system, the energy utilization efficiency of the heating ventilation air-conditioning system is improved.
Description
Technical Field
The utility model relates to a heat supply optimization system of an offshore oil platform, in particular to a distributed heat pipeline heat supply system.
Background
In order to ensure the heating capacity of the hvac system, the thermodynamic boiler system of the hvac system generally adopts a constant hot water temperature to control the water supply temperature, and then controls the water supply amount through an electric three-way valve inside the hvac system to adjust the heating amount of the hvac system. In fact, the supply and return water temperature difference of the heating, ventilation and air conditioning system is generally designed according to the maximum heating power, and the heating, ventilation and air conditioning system rarely runs under the working condition of the maximum heating load for a long time, so that the constant supply and return water temperature can cause great waste of the heating power of the boiler.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the offshore oil platform distributed heat pipeline heating system which can ensure that the heating, ventilating and air conditioning system can still provide enough heat at a lower water supply temperature, reduce the energy consumption of the heating system and improve the energy utilization efficiency of the heating, ventilating and air conditioning system.
In order to realize the purpose, the utility model adopts the technical scheme that:
the utility model relates to a distributed heat pipeline heating system of an offshore oil platform, wherein one end of a fuel conveying pipeline provided with a fuel conveying valve is connected with a coal feeder or a gas feeder, and the other end of the fuel conveying pipeline is connected with a burner of a heat boiler;
the U, V, W port of each frequency converter is connected with the U, V, W port of the motor of the electric valve through a cable, so that the frequency converter can control the opening degree of the electric valve through the motor, and the fuel delivery valve, each frequency converter, each first temperature sensor, each flow sensor, each second temperature sensor and the electric three-way valve are all connected to an industrial personal computer through data lines.
The utility model realizes the real-time automatic adjustment of the water supply temperature and flow rate of the thermodynamic system of the offshore oil platform, so that the heating ventilation air-conditioning system can still provide enough heat at lower water supply temperature, the energy consumption of the thermodynamic system is reduced, and the energy utilization efficiency of the heating ventilation air-conditioning system is improved.
Drawings
FIG. 1 is a schematic diagram of the connection of elements of a distributed thermal pipe heating system of an offshore oil platform according to the present invention;
FIG. 2 is a schematic diagram of the control principle of the distributed heat pipe heating system of the offshore oil platform according to the present invention;
fig. 3 is a schematic diagram of the installation of the temperature sensor of the distributed thermal pipeline heating system of the offshore oil platform according to the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
As shown in the attached figure 1, the offshore oil platform distributed heat pipeline heating system is characterized in that one end of a fuel conveying pipeline provided with a fuel conveying valve 2 is connected with a coal feeder or a gas feeder, the other end of the fuel conveying pipeline is connected with a burner of a heat boiler 3, an electric valve 4, a first temperature sensor 5(T) and one end of a hot fluid outlet pipeline of a flow sensor 6 are sequentially arranged in the flowing direction of hot fluid and are connected with a hot fluid outlet of the heat boiler 3, the other end of the hot fluid outlet pipeline is connected with a water supply pipeline (such as a water separator) at the heat supply end of an electric room or a room, a second temperature sensor 7(T) is arranged in the electric room or the room with the heat supply requirement, one end of a fluid supply pipeline provided with an electric three-way valve 10 is connected with a boiler barrel of the heat boiler 3, and the other end of the fluid supply pipeline is connected with the heat boiler 3. One valve port of the electric three-way valve 10 is connected with a water return pipeline 9 of a heat supply tail end (such as a water separator and a heat exchanger) of an electric room or a room.
The U, V, W port of each frequency converter 8(VFD) is connected with U, V, W port of the motor of the electric valve 4 through a cable, so that the frequency converter 8 can control the opening degree of the electric valve 4 through the motor, and the fuel delivery valve 2, each frequency converter 8(VFD), each first temperature sensor 5, each flow sensor 6, each second temperature sensor 7 and the electric three-way valve 10 are all connected with the industrial personal computer 1 through data lines.
As an embodiment of the present invention, the first temperature sensor 5(T) is a thermocouple sensor, and is connected to the hot fluid outlet pipeline through a screw thread, as shown in fig. 3, a central axis of the first temperature sensor 5(T) is installed in a counter-flow and oblique manner at an angle of 45 ° with respect to a central axis of the hot fluid outlet pipeline, which is advantageous in that it is robust and requires no external power supply.
As an embodiment of the present invention, the flow sensor 6 is a orifice plate type flowmeter, and is connected to the hot fluid outlet pipeline through a flange, and the length of the upstream and downstream pipeline connecting the flow sensor 6 and the hot fluid outlet pipeline is greater than five times of the diameter of the hot fluid outlet pipeline.
The working principle of the structure is as follows:
when the temperature detected by a second temperature sensor 7 at the end of actual heat supply in an electric room or a room of a thermodynamic system is different from the preset temperature of the industrial personal computer 1, the industrial personal computer 1 controls a frequency converter 8 to adjust the opening degree of an electric valve 4 so as to adjust the fluid flow in a hot fluid outlet pipeline, meanwhile, a first temperature sensor 5 and a flow sensor 6 on the hot fluid outlet pipeline detect the temperature data and the flow data in the hot fluid outlet pipeline, if the temperature data detected by the first temperature sensor 5 is deviated from the predicted value of the industrial personal computer 1, the industrial personal computer 1 changes the fuel quantity by controlling the opening degree of a fuel delivery valve 2, and then adjusts the heat emitted by a burner in the thermodynamic boiler 3 to achieve the purpose of adjusting the temperature of the fluid in the hot fluid outlet pipeline; and if the flow data detected by the flow sensor 6 reaches the predicted value of the industrial personal computer 1, the frequency converter 8 stops adjusting the electric valve 4, and the electric valve 4 keeps a certain opening degree to keep the flow of the fluid in the hot fluid outlet pipeline within a certain range. The hot fluid is discharged through the heat supply end of an electric room or a room and then returns to the heat boiler 3 through a hot fluid return pipeline 9 for fluid circulation.
Fluid gets into the boiler by water supply pipe through electronic three-way valve 10 and heats in this structure, the hot-fluid flows to electric room or room heat supply terminal (like the water knockout drum, heat exchanger) through the hot-fluid outlet pipe way under the control of motorised valve 4, carry out temperature and flow monitoring to the hot-fluid through first temperature sensor 5 and flow sensor 6 at nearly boiler export section, the hot-fluid gets into return water pipeline 9 through the terminal return water pipeline of heat supply after heat exchange is carried out at the heat supply terminal (like ground warm loop, heat exchanger), get back to the boiler through electronic three-way valve 10 and heat and circulate once more.
This structure reaches the purpose of adjusting the terminal actual heat supply load of heat supply through the coupling control to the fluid temperature and the flow of each hot-fluid outlet pipe way, has guaranteed that the temperature data that the terminal second temperature sensor 7 of heat supply surveyed only has less deviation with industrial computer 1 default, and distributed heating power pipeline heat supply can make corresponding response to the heat supply demand of difference under same heating boiler 3, has improved energy utilization.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (3)
1. A distributed heating power pipeline heating system of an offshore oil platform is characterized in that: one end of a fuel conveying pipeline provided with a fuel conveying valve is connected with a coal feeder or a gas feeder, the other end of the fuel conveying pipeline is connected with a burner of a thermal power boiler, one end of a thermal fluid outlet pipeline provided with an electric valve, a first temperature sensor and a flow sensor in sequence in the flow direction of thermal fluid is connected with a thermal fluid outlet of the thermal power boiler, the other end of the thermal fluid outlet pipeline is connected with a water supply pipeline at the heat supply tail end of an electric room or a room, a second temperature sensor is arranged in the electric room or the room with heat supply requirement, one end of a fluid supply pipeline provided with an electric three-way valve is connected with a drum of the thermal power boiler, the other end of the fluid supply pipeline is connected with a water supply pipeline of the thermal power boiler, and one valve port of the electric three-way valve is connected with a water return pipeline at the heat supply tail end of the electric room or the room;
the U, V, W port of each frequency converter is connected with the U, V, W port of the electric valve motor through a cable, and the fuel delivery valve, each frequency converter, each first temperature sensor, each flow sensor, each second temperature sensor and the electric three-way valve are all connected to the industrial personal computer through data lines.
2. The offshore oil platform distributed thermal pipeline heat supply system of claim 1, wherein: the first temperature sensor is a thermocouple sensor and is in threaded connection with the hot fluid outlet pipeline, and the central axis of the first temperature sensor and the central line of the hot fluid outlet pipeline are installed in a reverse flow and inclined mode at an angle of 45 degrees.
3. The offshore oil platform distributed thermal pipeline heating system of claim 1 or 2, wherein: the flow sensor is a pore plate type flowmeter and is connected to the hot fluid outlet pipeline through a flange, and the length of an upstream pipeline and a downstream pipeline connected with the hot fluid outlet pipeline of the flow sensor is more than five times of the diameter of the hot fluid outlet pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123102933.6U CN216814626U (en) | 2021-12-07 | 2021-12-07 | Offshore oil platform distributed heating power pipeline heat supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123102933.6U CN216814626U (en) | 2021-12-07 | 2021-12-07 | Offshore oil platform distributed heating power pipeline heat supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216814626U true CN216814626U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123102933.6U Active CN216814626U (en) | 2021-12-07 | 2021-12-07 | Offshore oil platform distributed heating power pipeline heat supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216814626U (en) |
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2021
- 2021-12-07 CN CN202123102933.6U patent/CN216814626U/en active Active
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