CN219712688U - Remote pulse control anti-freezing device for oil pipe on outer wall of gas tank - Google Patents
Remote pulse control anti-freezing device for oil pipe on outer wall of gas tank Download PDFInfo
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- CN219712688U CN219712688U CN202320438473.4U CN202320438473U CN219712688U CN 219712688 U CN219712688 U CN 219712688U CN 202320438473 U CN202320438473 U CN 202320438473U CN 219712688 U CN219712688 U CN 219712688U
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- oil pipe
- controller
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- site controller
- heat tracing
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- 238000007710 freezing Methods 0.000 title description 3
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 235000019198 oils Nutrition 0.000 description 79
- 238000007789 sealing Methods 0.000 description 8
- 230000005856 abnormality Effects 0.000 description 4
- 238000010257 thawing Methods 0.000 description 4
- 239000000571 coke Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000019476 oil-water mixture Nutrition 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Control Of Temperature (AREA)
Abstract
The utility model discloses a remote pulse control antifreezing device for an upper oil pipe on the outer wall of a gas tank, which comprises an upper oil pipe arranged on the side surface of the gas tank, wherein the upper oil pipe is divided into four sections, segmented electric tracing bands are respectively arranged on the upper oil pipe, a heat tracing band joint and a temperature measuring element are arranged at the lower part of each section of upper oil pipe, a heat tracing band terminal and an explosion-proof terminal box are arranged at the upper part of each section of upper oil pipe, and a heat tracing band lead wire is connected to a field control box; the temperature measuring element on the heat tracing band is connected to a site controller by adopting a three-wire system lead wire, the site controller and the site controller are respectively provided with a temperature controller and a temperature limiter, the site controller is connected with a site control box by using a control wire provided with a bidirectional thyristor, the site controller is connected to a centralized controller of the electric room by a serial port 485 lead wire, the centralized controller is provided with a PLC and is connected to an uninterruptible power supply of the electric room, the real-time state of control parameters is remotely transmitted to a man-machine picture, the site control box and the site controller are powered by a main loop power supply of the electric room, and the same power supply is homologous.
Description
Technical Field
The utility model relates to the technical field of gas tank equipment, in particular to a remote pulse control anti-freezing device for an oil pipe on the outer wall of a gas tank.
Background
Eight steel new POC blast furnace gas tank 3 seats, two of which are 10 ten thousand m 3 1 seat 20 ten thousand m 3 The method comprises the steps of storing blast furnace gas, coke oven gas and OY furnace gas, wherein the blast furnace gas, the coke oven gas and the OY furnace gas belong to important dangerous sources, the height of the blast furnace gas, the coke oven gas and the OY furnace gas is 70-90 m, 4 oil pump stations are uniformly arranged on the ground around the tank body, conveying sealing oil to a reserve oil tank at the upper part of the gas tank, and the sealing oil flows into a piston oil gallery along the inner wall of a side plate through a reserved port of the oil tank. The bottom oil channel of the oil pump inlet adopts a hot water pipeline to heat the oil temperature, the piston oil channel and the prepared oil tank on the top of the tank are provided with electric heating equipment to heat, the oil temperature is mainly maintained at 8-10 ℃, and the oil conveying height of the external oil pipe is about 65-80 m. But the outer oil delivery pipe is arranged near the outer wall and is spaced from the wall of the cabinet by about 0.5 to 1 meter. The piston oil groove is divided into 4 independent oil grooves which are communicated in a semi-partition mode at the connecting position. The oil level of the piston is respectively controlled by the oil supply of 4 oil pump rooms, and the oil is supplied to a reserve oil tank at the inner side of the gas holder from the outside through the 4 oil supply pipes and flows to the piston along the wall of the gas holder. When the sealing effect of the piston and the cabinet wall is good, the oil level of the piston is long in holding time, the reflux quantity is small, and the starting times of the oil pump are small, so that sealing oil in the oil feeding pipe is stored and kept stand for a period of time; when the oil pipe is subjected to extremely cold weather in winter of Xinjiang, although the outside of the oil pipe is insulated, the temperature in the pipe is lower than zero degree when the oil pipe is not heated and does not flow for a long time, the demulsification degree index of sealing oil is poor or the oil-water separation in a pump house is incomplete, an oil-water mixture is frozen and thawed and plugged in the oil pipe, the oil pipe is frozen and cracked after expansion, a corresponding oil pump cannot oil a corresponding oil tank, the weather is warmed, oil is sprayed and leaked at a high position after the oil-water thawing, and the oil-water mixture is 20 ten thousand meters 3 Gas tank and 10 ten thousand m 3 The faults are generated on the back and the shadow surface of the blast furnace gas tank, namely the oil pipe on the 3#4 oil pipe.
The damage of the fault is large, the oil tank 4 is communicated with the bottom oil return only by the adjacent oil tanks in winter, the oil level is balanced slowly, and the oil level of the oil tank 4 is low; the operation safety of the gas holder is threatened. The weather changes warm oil pipe defrosting oil spout oil leakage, and the high altitude can't clear up, and the high altitude pipeline rush repair degree of difficulty increases to can greatly increase maintenance workman's intensity of labour. According to the prior art and the conventional method, the oil pump room is returned for transportation, the oil pipe is specially treated, special fire thawing rush repair is handled, and sealing oil in the pipe is discharged, so that the operation is at great risk.
Disclosure of Invention
The utility model aims to provide a remote pulse control antifreezing device for oil pipes on the outer wall of a gas tank, which can solve the problem of freeze thawing of two oil pipes on the external shadow surface of the gas tank, collect the starting times and time of an oil pump of a pump room of the existing gas tank, judge the flowing speed and the resting time of sealing oil in the oil pipes, automatically pulse and adjust the heating and constant temperature rates, and realize remote monitoring.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the remote pulse control antifreezing device for the oil pipe on the outer wall of the gas tank comprises an oil pipe arranged on the side surface of the gas tank, wherein the oil pipe is divided into four sections, segmented electric tracing bands are respectively arranged on the oil pipe, a heat tracing band joint and a temperature measuring element are arranged at the lower part of each section of the oil pipe, a heat tracing band terminal and an explosion-proof terminal box are arranged at the upper part of each section of the oil pipe, and heat tracing band leads are connected to a field control box; the temperature measuring element on the heat tracing band is connected to a site controller by adopting a three-wire system lead wire, the site controller and the site controller are respectively provided with a temperature controller and a temperature limiter, the site controller is connected with a site control box by using a control wire provided with a bidirectional thyristor, the site controller is connected to a centralized controller of the electric room by a serial port 485 lead wire, the centralized controller is provided with a PLC and is connected to an uninterruptible power supply of the electric room, the real-time state of control parameters is remotely transmitted to a man-machine picture, the site control box and the site controller are powered by a main loop power supply of the electric room, and the same power supply is homologous.
The utility model realizes remote real-time monitoring, timely discovers and processes faults, ensures safe and reliable operation of equipment, and the novel device has the following advantages: the bidirectional thyristor pulse control has the advantages of no spark, fast action, long service life, low failure rate, high reliability, simplified circuit structure and the like, is balanced in temperature adjustment and heat preservation, and is suitable for being used in explosion-proof areas. The installation is convenient, is fit for high altitude long distance transmission oil pipe. The man-machine image realizes remote monitoring, an on-line monitoring device, temperature measurement and constant temperature regulation, has the functions of alarming temperature abnormality, cable fault and heat tracing belt fault, and timely discovers abnormality and timely warns and handles abnormality. The analysis and judgment are simple and clear, and then corresponding abnormality elimination measures are adopted in time. The device is reliable in operation, fully considers the conditions and the space for overhauling and maintaining, is convenient to install and overhaul, and can be popularized on oil pipes on a gas tank and other devices which need to be heated, insulated and antifreezed in high altitude.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present utility model;
fig. 2 is a schematic diagram of a control circuit employed in the present utility model.
1. A gas cabinet; 2. a heat tracing band terminal; 3. 5, 7 and 9 sections of electric tracing bands; 4. 6, 8 heat tracing band joints; 10. temperature measuring element and heat tracing band terminal; 11. a heat tracing belt joint, a temperature measuring element and an oil pump room; 12. an explosion-proof terminal box; 13. a three-wire lead; 14. a temperature measuring element; 15. a field control box; 16. a main loop power supply; 17. a field controller; 18. a serial port 485 lead; 19. the oil pump starts the frequency, the running time exports the component; 20. remotely controlling a man-machine picture; 21. a centralized controller; 22. bidirectional thyristors.
Description of the embodiments
The remote pulse control antifreezing device for the oil pipe on the outer wall of the gas tank is shown in fig. 1 and 2, and comprises an oil pipe arranged on the side surface of the gas tank 1, wherein the oil pipe is divided into four sections, segmented electric tracing bands 3, 5, 7 and 9 are respectively arranged on the oil pipe, heat tracing band joints 4, 6 and 8 and a temperature measuring element 10 are arranged at the lower part of each section of the oil pipe, heat tracing band terminals 8, 6, 4 and 2 and an explosion-proof terminal box 12 are arranged at the upper part of each section of the oil pipe, and heat tracing band leads are connected to a field control box 15; the temperature measuring element 14 on the heat tracing band is connected to the site controller 17 by adopting the three-wire lead 13, the temperature controller and the temperature limiter are respectively arranged in the 4 site controllers, the temperature adjusting range of the corresponding heat tracing band is mainly controlled, when the temperature is close to 10 ℃, the temperature raising rate is reduced by the heat tracing band control system according to the oil pump starting times and the operation time output element 19, when the temperature is close to 5 ℃, the temperature raising rate is increased by the heat tracing band control system according to the oil pump starting times and the operation time, the operation working condition of the heat tracing band is controlled, and the constant temperature of the sealing oil of the oil feeding pipe is ensured.
The field controller 17 is connected with the field control box 15 by a control line provided with a bidirectional thyristor 22, has short circuit and disconnection protection functions, and is provided with a touch screen for checking and modifying the set value. The field controller 17 can be placed in the oil pump house, and room temperature conditions can ensure sensitivity and lifetime.
The field controller 17 is connected to the centralized controller 21 of the electric room through the serial port 485 lead 18, the centralized controller 21 is provided with a PLC, is connected to the uninterrupted power supply of the electric room, and remotely transmits the real-time state of control parameters to the man-machine picture 20, the field control box and the field controller are powered from the main loop power supply 16 of the electric room, and the same power supply is in the same phase, so that the bidirectional thyristor 22 is triggered once every half axle, and bidirectional conduction can be realized.
Claims (1)
1. The utility model provides an oil pipe remote pulse control freeze-proof device on gas chamber outer wall, includes the oil pipe of going up that is setting up at the gas chamber side, characterized by: the upper oil pipe is divided into four sections, segmented electric tracing bands are respectively arranged, a heat tracing band joint and a temperature measuring element are arranged at the lower part of each section of upper oil pipe, a heat tracing band terminal and an explosion-proof terminal box are arranged at the upper part of each section of upper oil pipe, and heat tracing band leads are connected to a field control box; the temperature measuring element on the heat tracing band is connected to a site controller by adopting a three-wire system lead wire, the site controller and the site controller are respectively provided with a temperature controller and a temperature limiter, the site controller is connected with a site control box by using a control wire provided with a bidirectional thyristor, the site controller is connected to a centralized controller of the electric room by a serial port 485 lead wire, the centralized controller is provided with a PLC and is connected to an uninterruptible power supply of the electric room, the real-time state of control parameters is remotely transmitted to a man-machine picture, the site control box and the site controller are powered by a main loop power supply of the electric room, and the same power supply is homologous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320438473.4U CN219712688U (en) | 2023-03-09 | 2023-03-09 | Remote pulse control anti-freezing device for oil pipe on outer wall of gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320438473.4U CN219712688U (en) | 2023-03-09 | 2023-03-09 | Remote pulse control anti-freezing device for oil pipe on outer wall of gas tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712688U true CN219712688U (en) | 2023-09-19 |
Family
ID=88001373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320438473.4U Active CN219712688U (en) | 2023-03-09 | 2023-03-09 | Remote pulse control anti-freezing device for oil pipe on outer wall of gas tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712688U (en) |
-
2023
- 2023-03-09 CN CN202320438473.4U patent/CN219712688U/en active Active
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