CN219008663U - Heat tracing device for storage tank - Google Patents
Heat tracing device for storage tank Download PDFInfo
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- CN219008663U CN219008663U CN202120486571.6U CN202120486571U CN219008663U CN 219008663 U CN219008663 U CN 219008663U CN 202120486571 U CN202120486571 U CN 202120486571U CN 219008663 U CN219008663 U CN 219008663U
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- heat tracing
- pipe
- storage tank
- water
- circulating water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a heat tracing device for a storage tank, which comprises: the outer wall of the storage tank is spirally wound with a heat tracing pipe, the upper port of the heat tracing pipe is connected with a water pump, the lower port of the heat tracing pipe is connected with the upper part of the circulating water tank, the water pump is also connected with the lower part of the circulating water tank, and the upper part and the lower part of the circulating water tank are respectively provided with a water injection pipe and a water drainage pipe; the utility model adopts the fuel gas to heat the water in the circulating water tank to the temperature required to be accompanied by heat, and then the water pump pumps the hot water into the heat tracing pipe, at the moment, the electromagnetic valve at the lower end of the heat tracing pipe is closed, the hot water is stored in the heat tracing pipe, when the temperature of the storage tank is detected to be lower than the set temperature, the temperature of the storage tank can be maintained by switching on a circuit of a resistance wire or heating and changing water by the fuel gas again, and compared with the pure electric heat tracing device, the energy is saved, and the cost can be effectively controlled.
Description
Technical Field
The utility model belongs to the field of material storage equipment, and particularly relates to a device for heat tracing of a storage tank.
Background
In the production practice, part of the medium easy to coagulate exists, and in the process of pipeline transportation or storage tank storage, the temperature is gradually reduced, the viscosity is gradually increased, and even the solidification affects the production, so when the medium is transported and stored, heat preservation measures are needed to maintain a certain temperature of materials, and heat tracing is carried out by heating a pipeline or storage tank for transporting a production stream or a sample, and steam tracing, electric tracing band heat tracing, electric tracing pipe and other modes of heat tracing can be adopted.
Heat tracing medium: hot water, steam, heat carrier and electric heat. The application range is as follows:
hot water: the heat source is suitable for being used as a heat source for heat tracing under the condition that the operation temperature is not high or a high-temperature heat tracing medium cannot be adopted.
Steam: typically for heat tracing with an operating temperature of less than 150 degrees for the medium in the tube.
A heat carrier: is generally used for jacket heat tracing systems with operating temperatures of more than 150 degrees for medium in the tube.
Electric heating: the electric tracing is not only suitable for various conditions of steam tracing, but also suitable for heat-sensitive medium pipelines, can effectively control the temperature, prevent the pipeline temperature from overheating, and is suitable for the heat tracing of pipelines or equipment which are scattered or far away from air supply points and equipment with irregular shapes.
However, the electric heating is adopted for heat tracing, so that the cost is high.
Disclosure of Invention
The utility model designs a storage tank heat tracing device for reducing the cost of the heat tracing device, which structurally comprises: the outer wall of the storage tank is spirally wound with a heat tracing pipe, the upper port of the heat tracing pipe is connected with a water pump, the lower port of the heat tracing pipe is connected with the upper part of the circulating water tank, the water pump is also connected with the lower part of the circulating water tank, and the upper part and the lower part of the circulating water tank are respectively provided with a water injection pipe and a water drainage pipe; and a gas heating device is arranged below the circulating water tank.
Preferably, the upper port of the heat tracing pipe is provided with a breather valve.
Preferably, the gas heating device comprises a plurality of burner tips, the burner tips are connected with a gas pipeline and an air pipeline, and gas valves are arranged on the gas pipeline and the air pipeline.
Preferably, electromagnetic valves are arranged on the lower port of the heat tracing pipe, the water injection pipe and the drain pipe.
Preferably, the heat tracing pipe is made of silica gel, one surface of the heat tracing pipe facing the storage tank is embedded with an axial resistance wire, and the resistance wire is provided with an adaptive circuit loop and a control device.
Preferably, the system also comprises a PLC controller and temperature sensors arranged in the storage tank and the circulating water tank; and the PLC receives the signals of the temperature sensor and controls the operation of the air valve, the electromagnetic valve, the water pump and the control device.
According to the utility model, after the water in the circulating water tank is heated to the temperature required for heat tracing by adopting fuel gas, the water pump pumps the hot water into the heat tracing pipe, at the moment, the electromagnetic valve at the lower port of the heat tracing pipe is closed, the hot water is stored in the heat tracing pipe, when the temperature of the storage tank is detected to be lower than the set temperature, the circuit of the resistance wire is connected or the fuel gas is used for heating and changing water again, so that the temperature of the storage tank can be maintained, and compared with the pure heat tracing device, the energy is saved, and the cost can be effectively controlled.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of a heat trace pipe.
Fig. 3 is a schematic diagram of a gas heating device.
1, a storage tank; 21. a heat tracing pipe; 22. a lower port; 23. a respiratory valve; 24. a water pump; 25. a circulation water tank; 26. a gas heating device; 211. a resistance wire; 251. a water injection pipe; 252. a drain pipe; 261. a burner; 262. an air line; 263. a gas line; 264. and an air valve.
Detailed Description
Example 1
As shown in fig. 1 to 3, an embodiment of a heat tracing device for a storage tank 1 according to the present utility model includes: the heat tracing pipe 21 is spirally wound on the outer wall of the storage tank 1, the upper port of the heat tracing pipe 21 is connected with the water pump 24, the lower port 22 is connected with the upper part of the circulating water tank 25, the water pump 24 is also connected with the lower part of the circulating water tank 25, and the upper part and the lower part of the circulating water tank 25 are respectively provided with a water injection pipe 251 and a drain pipe 252; a gas heating device 26 is arranged below the circulating water tank 25.
More specifically, the upper port of the heat tracing pipe 21 is provided with a breather valve 23.
More specifically, the gas heating device 26 includes a plurality of burner tips 261, the burner tips 261 are connected with a gas pipeline 263 and an air pipeline 262, and gas valves 264 are installed on the gas pipeline 263 and the air pipeline 262.
More specifically, solenoid valves are provided on the lower port 22 of the heat tracing pipe 21, the water injection pipe 251 and the drain pipe 252.
More specifically, the heat tracing pipe 21 is made of silica gel, and an axial resistance wire 211 is embedded in one surface of the heat tracing pipe facing the storage tank 1, and the resistance wire 211 is provided with an adaptive circuit and a control device.
Example 2
As shown in fig. 1 to 3, another embodiment of the heat tracing device for the storage tank 1 according to the present utility model includes: the heat tracing pipe 21 is spirally wound on the outer wall of the storage tank 1, the upper port of the heat tracing pipe 21 is connected with the water pump 24, the lower port 22 is connected with the upper part of the circulating water tank 25, the water pump 24 is also connected with the lower part of the circulating water tank 25, and the upper part and the lower part of the circulating water tank 25 are respectively provided with a water injection pipe 251 and a drain pipe 252; a gas heating device 26 is arranged below the circulating water tank 25.
More specifically, the upper port of the heat tracing pipe 21 is provided with a breather valve 23.
More specifically, the gas heating device 26 includes a plurality of burner tips 261, the burner tips 261 are connected with a gas pipeline 263 and an air pipeline 262, and gas valves 264 are installed on the gas pipeline 263 and the air pipeline 262.
More specifically, solenoid valves are provided on the lower port 22 of the heat tracing pipe 21, the water injection pipe 251 and the drain pipe 252.
More specifically, the heat tracing pipe 21 is made of silica gel, and an axial resistance wire 211 is embedded in one surface of the heat tracing pipe facing the storage tank 1, and the resistance wire 211 is provided with an adaptive circuit and a control device.
More specifically, the system also comprises a PLC controller and temperature sensors arranged in the storage tank 1 and the circulating water tank 25; the PLC receives the signals of the temperature sensor and controls the operation of the air valve 264, the electromagnetic valve, the water pump 24 and the control device.
When the heat tracing device of the storage tank operates, the temperature of heat tracing is set by the PLC, then the gas heating device is controlled to heat, the pressure relief opening of the circulating water tank can be set to be consistent with the external air pressure, after the heat tracing device is heated to the set temperature, hot water is pumped into the heat tracing pipe by the water pump to heat the heat tracing pipe, the heat tracing device provides two heating modes of electric heating and circulating hot water for maintaining the heat tracing, namely, the resistance wire can be connected to carry out electric heating and heat preservation, and after the temperature of the heat tracing pipe is lower than the set lower limit value, the gas heating device is started again, the water pump is started to change water to heat the heat tracing, so that the operation reliability of the whole system is ensured, and meanwhile, the energy consumption is lower than that of pure electric heat tracing.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A storage tank heat tracing device which is characterized in that: comprising the following steps: the outer wall of the storage tank is spirally wound with a heat tracing pipe, the upper port of the heat tracing pipe is connected with a water pump, the lower port of the heat tracing pipe is connected with the upper part of the circulating water tank, the water pump is also connected with the lower part of the circulating water tank, and the upper part and the lower part of the circulating water tank are respectively provided with a water injection pipe and a water drainage pipe; and a gas heating device is arranged below the circulating water tank.
2. The storage tank heat tracing apparatus according to claim 1, wherein: the upper port of the heat tracing pipe is provided with a breather valve.
3. The storage tank heat tracing device according to claim 2, wherein: the gas heating device comprises a plurality of burner tips, the burner tips are connected with a gas pipeline and an air pipeline, and gas valves are arranged on the gas pipeline and the air pipeline.
4. The storage tank heat tracing apparatus according to claim 3, wherein: electromagnetic valves are arranged on the lower port of the heat tracing pipe, the water injection pipe and the drain pipe.
5. The storage tank heat tracing apparatus according to claim 4, wherein: the heat tracing pipe is made of silica gel, one surface of the heat tracing pipe facing the storage tank is embedded with an axial resistance wire, and the resistance wire is provided with an adaptive circuit loop and a control device.
6. The storage tank heat tracing apparatus according to claim 5, wherein: the system also comprises a PLC controller and temperature sensors arranged in the storage tank and the circulating water tank; and the PLC receives the signals of the temperature sensor and controls the operation of the air valve, the electromagnetic valve, the water pump and the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120486571.6U CN219008663U (en) | 2021-03-08 | 2021-03-08 | Heat tracing device for storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120486571.6U CN219008663U (en) | 2021-03-08 | 2021-03-08 | Heat tracing device for storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219008663U true CN219008663U (en) | 2023-05-12 |
Family
ID=86252734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120486571.6U Active CN219008663U (en) | 2021-03-08 | 2021-03-08 | Heat tracing device for storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219008663U (en) |
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2021
- 2021-03-08 CN CN202120486571.6U patent/CN219008663U/en active Active
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