CN217056791U - Photoelectric double-source coupling heating system for preventing and treating ice blockage by natural gas - Google Patents
Photoelectric double-source coupling heating system for preventing and treating ice blockage by natural gas Download PDFInfo
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- CN217056791U CN217056791U CN202220485595.4U CN202220485595U CN217056791U CN 217056791 U CN217056791 U CN 217056791U CN 202220485595 U CN202220485595 U CN 202220485595U CN 217056791 U CN217056791 U CN 217056791U
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Abstract
The utility model relates to a photoelectric double-source coupling heating system for preventing and controlling ice blockage by natural gas, which structurally comprises a groove type solar heat collector, a heat storage water tank and a water bath heater which are sequentially communicated; the water bath heater comprises a sealed shell, a natural gas circulation pipe is arranged in the sealed shell, and an electric heating rod is arranged in the sealed shell; the upper portion of the sealing shell is communicated with the upper portion of the heat storage water tank through a first pipeline, the lower portion of the sealing shell is communicated with the lower portion of the heat storage water tank through a second pipeline and a third pipeline, the middle portion of the first pipeline is communicated with the middle portion of the second pipeline through a circulating water pump, and electric valves are respectively arranged on the front portion and the rear portion of the circulating water pump on the first pipeline, the front portion and the rear portion of the circulating water pump on the second pipeline and the third pipeline. The utility model discloses can make full use of solar energy and can guarantee to heat the natural gas under the low temperature environment, prevent to produce ice stifled.
Description
Technical Field
The utility model relates to a heating device, specifically speaking are stifled two source coupling heating system of natural gas prevention and cure ice.
Background
In the natural gas transportation process, when the pressure, the temperature and the moisture content of the natural gas in the pipeline meet certain conditions, the natural gas can form natural gas hydrate, and the blockage of pipeline low-lying positions or pressure regulating equipment is caused. In order to prevent ice blockage, on one hand, the water content of natural gas needs to be strictly controlled, and on the other hand, an accompanying heating belt needs to be laid on an accessory of pressure regulating equipment. However, in cold areas in northern China, when the temperature is reduced to a certain degree, the problem of ice blockage still occurs in pipelines and pressure regulating equipment, and the stable supply of natural gas is influenced. At present, each station usually adopts a method of additionally installing an electric heater or a gas furnace heating system in front of a pressure regulating device to increase the temperature of natural gas, and the method has obvious effect but can increase the energy consumption of the system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas prevention and cure ice stifled two source coupling heating system of photoelectricity to solve the high problem of current natural gas heating device energy consumption.
The utility model discloses a realize like this: a photoelectric double-source coupling heating system for preventing ice blockage by natural gas comprises a groove type solar heat collector, a heat storage water tank and a water bath heater which are sequentially communicated; the water bath heater comprises a sealed shell, a natural gas circulating pipe is arranged in the sealed shell, and an electric heating rod is arranged in the sealed shell; the upper portion of the sealing shell is communicated with the upper portion of the heat storage water tank through a first pipeline, the lower portion of the sealing shell is communicated with the lower portion of the heat storage water tank through a second pipeline and a third pipeline, the middle portion of the first pipeline is communicated with the middle portion of the second pipeline through a circulating water pump, and electric valves are respectively arranged on the front portion and the rear portion of the circulating water pump on the first pipeline, the front portion and the rear portion of the circulating water pump on the second pipeline and the third pipeline.
Furthermore, a turbulence piece is arranged in the natural gas circulation pipe, and fins are arranged on the outer wall of the natural gas circulation pipe.
Further, the spoiler is a spring, a twisted belt or a spiral belt arranged along the length direction of the natural gas flow pipe.
Furthermore, the trough type solar thermal collector comprises a thermal collector support, a reflector is arranged on the thermal collector support, and a thermal collecting tube is arranged at the focus of the reflector; one end of the heat collecting pipe is communicated with the upper part of the heat storage water tank through a fourth pipeline, the other end of the heat collecting pipe is communicated with the lower part of the heat storage water tank through a fifth pipeline, and valves are respectively arranged on the fourth pipeline and the fifth pipeline.
Furthermore, a water tank outlet pressure transmitter is arranged at the position, communicated with the heat storage water tank, of the second pipeline, and a water bath pressure transmitter communicated with the inner cavity of the sealed shell is arranged on the water bath heater.
Furthermore, a safety valve is arranged at the top of the heat storage water tank, a drain pipe is arranged at the bottom of the heat storage water tank, and a drain valve is arranged on the drain pipe.
Further, a water tank temperature transmitter and a water tank pressure transmitter are arranged on the heat storage water tank.
Deionized water flows through the trough type solar heat collector, the heat storage water tank, the water bath heater and the pipelines.
The utility model discloses use solar energy heating as the main to the electric energy heating is for assisting, and two sets of heating system can independent operation separately, also can the joint operation, heats water bath heater through heating system, and natural gas pipeline and water bath heater's natural gas flow tube intercommunication heats the natural gas through water bath heating's mode to prevent that the ice jam phenomenon from appearing in the natural gas. Because mainly utilize solar energy, can save a large amount of energy resource consumptions, when the heat that solar energy produced is not enough, start the electrical heating stick and heat, make water bath heater reach sufficient temperature. Through the coupling of two heating systems of solar energy and electric energy, can enough guarantee heating temperature, the energy can be saved of maximize again.
The heat storage water tank is communicated with the water bath heater through the first pipeline, the second pipeline and the third pipeline, the first pipeline and the second pipeline are communicated through the circulating water pump, and different circulating loops can be formed by matching with an electric valve on the pipeline. One circulating water pump can realize that the heat storage water tank provides hot water for the water bath heater, the heat storage water tank independently circulates and the water bath heater independently circulates in different circulation loops, and the whole pipeline has a simple structure and low cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the water bath heater of the present invention.
In the figure: 1: a trough solar collector; 2: a heat storage water tank; 3: a water bath heater; 4: a first pipeline; 5: a second pipeline; 6: a third pipeline; 7: a circulating water pump; 8: a fourth pipeline; 9: a fifth pipeline; 10: a water tank outlet pressure transmitter; 11: a water bath pressure transmitter; 12-16: an electrically operated valve; 17. 18: a valve; 1-1: a heat collector support; 1-2: a reflective mirror; 1-3: a heat collecting pipe; 2-1: a safety valve; 2-2: a blow-off pipe; 2-3: a blowoff valve; 2-4: a water tank temperature transmitter; 2-5: a water tank pressure transmitter; 3-1: sealing the housing; 3-2: a natural gas flow pipe; 3-3: an electrical heating rod; 3-4: a spoiler; 3-5: a fin; 3-6: a water inlet; 3-7: a water outlet; 3-8: an air inlet; 3-9: an air outlet; 3-10: and an end plate.
Detailed Description
As shown in fig. 1, the utility model comprises a trough-type solar heat collector 1, a heat storage water tank 2 and a water bath heater 3 which are communicated in sequence.
The groove type solar heat collector 1 is used for heating water in the heat storage water tank 2, the heat storage water tank 2 is communicated with the water bath heater 3 through a first pipeline 4, a second pipeline 5 and a third pipeline 6, the first pipeline 4 is communicated with the upper portion of the heat storage water tank 2 and the upper portion of the water bath heater 3, the second pipeline 5 and the third pipeline 6 are communicated with the lower portion of the heat storage water tank 2 and the lower portion of the water bath heater 3, an electric valve 12 and an electric valve 13 are sequentially arranged on the first pipeline 4, an electric valve 14 and an electric valve 15 are sequentially arranged on the second pipeline 5, an electric valve 16 is arranged on the third pipeline 6, the first pipeline 4 is communicated with the second pipeline 5 through a circulating water pump 7, and the circulating water pump 7 is located between the electric valve 12 and the electric valve 13 of the first pipeline 4 and between the electric valve 14 and the electric valve 15 of the second pipeline 5.
As shown in figure 2, the water bath heater 3 comprises a sealed shell 3-1, the upper part and the lower part in the sealed shell 3-1 are respectively provided with an end plate 3-10, a plurality of natural gas circulation pipes 3-2 are arranged in the sealed shell 3-1, the natural gas circulation pipes 3-2 are positioned between the two end plates 3-10, the bottom of the sealed shell 3-1 is provided with an air inlet 3-8, and the top of the sealed shell 3-1 is provided with an air outlet 3-9. The space between the two end plates 3-10 is used for circulation of water and the natural gas circulation pipe 3-2 passes through the space for circulation of natural gas. The sealed shell 3-1 is provided with a water inlet 3-6 and a water outlet 3-7, the water inlet 3-6 is communicated with the first pipeline 4, and the water outlet 3-7 is communicated with the second pipeline 5 and the third pipeline 6. The water inlets 3-6 and the water outlets 3-7 are communicated with the space between the two end plates 3-10, the water inlets 3-6 are positioned at the upper part, the water outlets 3-7 are positioned at the lower part, the water flow direction is opposite to the natural gas flow direction, and natural gas can be better heated. An electric heating rod 3-3 is arranged in the sealed shell 3-1, the electric heating rod 3-3 is positioned between the two end plates 3-10, and water between the two end plates 3-10 can be heated by the electric heating rod 3-3 to indirectly heat natural gas.
Wherein, a turbulent flow member 3-4 is arranged in the natural gas flow pipe 3-2, and the length direction of the turbulent flow member 3-4 is consistent with the length direction of the natural gas flow pipe 3-2. The fins 3-5 are arranged on the outer wall of the natural gas circulation pipe 3-2 to increase the contact area with water flow and improve the heat exchange efficiency.
Wherein the spoiler 3-4 is a spring, a twisted band or a spiral band or the like arranged.
The trough type solar thermal collector 1 comprises a thermal collector support 1-1, a reflector 1-2 is installed on the thermal collector support 1-1, and a thermal collecting tube 1-3 is installed at the focus of the reflector 1-2. The reflector 1-2 concentrates sunlight on the heat collecting tube 1-3 at the focus through reflection, so that water in the heat collecting tube 1-3 is heated by solar energy. One end of the heat collecting pipe 1-3 is communicated with the upper part of the heat storage water tank 2 through a fourth pipeline 8, and the other end of the heat collecting pipe 1-3 is communicated with the lower part of the heat storage water tank 2 through a fifth pipeline 9. A valve 17 is arranged in the fourth line 8 and a valve 18 is arranged in the fifth line 9.
Deionized water flows through the trough type solar heat collector 1, the heat storage water tank 2, the water bath heater 3 and the pipelines.
The water circulation between the heat storage water tank 2 and the heat collecting pipes 1-3 is driven by the density difference of cold and hot fluids, and when the heat storage water tank 2 is arranged, the horizontal height of the heat collecting pipes 1-3 and the top of the heat storage tank have enough height difference so as to ensure enough hydraulic circulation power.
A water tank outlet pressure transmitter 10 is arranged at the position of the second pipeline 5 communicated with the heat storage water tank 2, and a water bath pressure transmitter 11 communicated with the inner cavity of the sealed shell 3-1 is arranged on the water bath heater 3. Before the heat storage water tank 2 is communicated with the water bath heater 3, calculating the relative deviation between the pressure of 3-7 at the water outlet of the heat storage water tank 2 and the pressure of the water bath heater 3, and when the relative deviation is less than 1%, normally starting; when the relative deviation is larger than 1%, adjusting the water temperature and the water pressure in the water bath heater 3 by adjusting the power of the electric heating rod 3-3 until the relative deviation is smaller than 1%.
A water tank temperature transmitter 2-4 and a water tank pressure transmitter 2-5 are arranged on the heat storage water tank 2, and the temperature and pressure change of the heat storage water tank 2 is monitored in real time. A safety valve 2-1 is arranged at the top of the heat storage water tank 2, and when the pressure of the heat storage water tank 2 exceeds a limit value, the safety valve 2-1 is opened to release the pressure.
The bottom of the heat storage water tank 2 is provided with a drain pipe 2-2, the drain pipe 2-2 is provided with a drain valve 2-3, impurities in the heat storage water tank 2 are discharged at regular time, when the quality of deionized water does not meet the conductivity requirement, the deionized water is discharged through a drain device and treated, and the deionized water is injected into a system through the drain device after being qualified.
A plurality of circulation modes can be realized through the first pipeline 4, the second pipeline 5, the third pipeline 6, the circulating water pump 7 and the electric valves 12-16.
When the water temperature in the heat storage water tank 2 meets the heating requirement, the electric valve 14, the electric valve 13 and the electric valve 16 are opened, other electric valves are closed, the heat storage water tank 2 sequentially passes through the electric valve 14, the circulating water pump 7 and the electric valve 13, enters the sealed shell 3-1 of the water bath heater 3 through the water inlets 3-6, flows out of the water outlets 3-7 of the water bath heater 3, and then flows back to the heat storage water tank 2 through the electric valve 16 of the third pipeline 6, and the heat storage water tank 2 heats the water bath heater 3. When the electric heating rod 3-3 is needed to assist in heating, the electric heating rod 3-3 is started at the same time, and the water bath heater 3 is heated by solar energy and electric energy.
When the water temperature in the heat storage water tank 2 is too low to meet the heating requirement, the electric valve 13 and the electric valve 15 are opened, other electric valves are closed, the electric heating rods 3-3 are started simultaneously, the natural gas is heated through the electric heating rods 3-3, and the water in the water bath heater 3 is circulated through the circulating water pump 7, so that the natural gas is electrically heated.
When the water in the hot water storage tank 2 needs to be mixed strongly, the electric valves 12 and 14 are opened, and the other electric valves are closed, so that the water in the hot water storage tank 2 is mixed rapidly by the circulating water pump 7.
The utility model discloses use solar heating as the main to the electric energy heating is for assisting, and two sets of heating system can independent operation separately, also can the joint operation, heats water bath heater 3 through heating system, and natural gas pipeline and water bath heater 3's natural gas flow tube 3-2 intercommunication heats the natural gas through water bath heating's mode to prevent that the ice jam phenomenon from appearing in the natural gas.
Because the utility model mainly utilizes solar energy, a large amount of energy consumption can be saved, when the heat generated by the solar energy is not enough, the electric heating rod 3-3 is started to heat, so that the water bath heater 3 reaches enough temperature, and the electric heating rod 3-3 can also be independently used for heating. Through the coupling of two heating systems of solar energy and electric energy, can enough guarantee heating temperature, the energy can be saved of maximize again.
The heat storage water tank 2 is communicated with the water bath heater 3 through a first pipeline 4, a second pipeline 5 and a third pipeline 6, the first pipeline 4 is communicated with the second pipeline 5 through a circulating water pump 7, and different circulating loops can be formed by matching with an electric valve on the pipelines. The heat storage water tank 2 can provide hot water for the water bath heater 3, the heat storage water tank 2 can independently circulate and the water bath heater 3 can independently circulate in different circulation loops by the aid of the water circulating pump 7, and the whole pipeline is simple in structure and low in cost.
Claims (8)
1. A photoelectric double-source coupling heating system for preventing and treating ice blockage by natural gas is characterized by comprising a groove type solar heat collector, a heat storage water tank and a water bath heater which are sequentially communicated; the water bath heater comprises a sealed shell, a natural gas circulation pipe is arranged in the sealed shell, and an electric heating rod is arranged in the sealed shell; the upper portion of the sealing shell is communicated with the upper portion of the heat storage water tank through a first pipeline, the lower portion of the sealing shell is communicated with the lower portion of the heat storage water tank through a second pipeline and a third pipeline, the middle portion of the first pipeline is communicated with the middle portion of the second pipeline through a circulating water pump, and electric valves are respectively arranged on the front portion and the rear portion of the circulating water pump on the first pipeline, the front portion and the rear portion of the circulating water pump on the second pipeline and the third pipeline.
2. The photoelectric double-source coupled heating system for preventing ice blockage by natural gas as claimed in claim 1, wherein a flow disturbing piece is arranged in the natural gas circulation pipe, and fins are arranged on the outer wall of the natural gas circulation pipe.
3. The natural gas ice blockage prevention photoelectric double-source coupled heating system as claimed in claim 2, wherein the spoilers are springs, twisted bands or spiral bands arranged along the length direction of the natural gas flow pipe.
4. The natural gas anti-icing and anti-icing photoelectric double-source coupled heating system as claimed in claim 1, wherein the trough type solar heat collector comprises a heat collector support, a reflector is arranged on the heat collector support, and a heat collecting tube is arranged at a focus of the reflector; one end of the heat collecting pipe is communicated with the upper part of the heat storage water tank through a fourth pipeline, the other end of the heat collecting pipe is communicated with the lower part of the heat storage water tank through a fifth pipeline, and valves are respectively arranged on the fourth pipeline and the fifth pipeline.
5. The photoelectric double-source coupled heating system for preventing and treating ice blockage by natural gas as claimed in claim 1, wherein a water tank outlet pressure transmitter is arranged at a position on the second pipeline communicated with the heat storage water tank, and a water bath pressure transmitter communicated with the inner cavity of the sealed shell is arranged on the water bath heater.
6. The photoelectric double-source coupled heating system for preventing and treating ice blockage by natural gas as claimed in claim 1, wherein a safety valve is arranged at the top of the heat storage water tank, a drain pipe is arranged at the bottom of the heat storage water tank, and a drain valve is arranged on the drain pipe.
7. The photoelectric double-source coupled heating system for preventing and treating ice blockage of natural gas as claimed in claim 1, wherein a water tank temperature transmitter and a water tank pressure transmitter are arranged on the heat storage water tank.
8. The natural gas ice blockage prevention photoelectric double-source coupled heating system as claimed in claim 1, wherein deionized water flows through the groove type solar heat collector, the heat storage water tank, the water bath heater and the pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220485595.4U CN217056791U (en) | 2022-03-08 | 2022-03-08 | Photoelectric double-source coupling heating system for preventing and treating ice blockage by natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220485595.4U CN217056791U (en) | 2022-03-08 | 2022-03-08 | Photoelectric double-source coupling heating system for preventing and treating ice blockage by natural gas |
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| Publication Number | Publication Date |
|---|---|
| CN217056791U true CN217056791U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220485595.4U Active CN217056791U (en) | 2022-03-08 | 2022-03-08 | Photoelectric double-source coupling heating system for preventing and treating ice blockage by natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217056791U (en) |
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2022
- 2022-03-08 CN CN202220485595.4U patent/CN217056791U/en active Active
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