CN209893111U - Hydraulic emergency cut-off protection device for fixed storage tank controlled by DCS - Google Patents
Hydraulic emergency cut-off protection device for fixed storage tank controlled by DCS Download PDFInfo
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- CN209893111U CN209893111U CN201822085597.0U CN201822085597U CN209893111U CN 209893111 U CN209893111 U CN 209893111U CN 201822085597 U CN201822085597 U CN 201822085597U CN 209893111 U CN209893111 U CN 209893111U
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Abstract
Use fixed hydraulic pressure emergency cut-off protection device for storage tank of DCS control, including the storage tank, still include with the feed liquor pipe that the storage tank is connected, the storage tank still is connected with drain pipe and blow off pipe, the branch road of feed liquor pipe, the branch road of drain pipe and the branch road of blow off pipe all are connected with the hydraulic pressure pipe be provided with on the hydraulic pressure pipe and feel and shake module, fusible valve and electromagnetism bleeder valve, the mouth of pipe department of hydraulic pressure pipe is provided with manual hydraulic pump, the storage tank still is connected with the aciculiform three-way valve, the level gauge is connected to the other end of aciculiform three-way valve, the storage tank still is connected with the gas. The utility model discloses a DCS distributed control system can real-time supervision data and when breaking down and accident, and its fixed storage tank that corresponds can automatic cutout with the quick action emergency valve, and this fundamentally has solved the first slice flange seal face inefficacy of storage tank and the first valve irreparable problem that causes because of external force destruction, so fundamentally has solved the essential safety problem, has reduced the emergence and the loss of property of casualties accident.
Description
Technical Field
The utility model belongs to the technical field of storage tank cooling protection system technique and specifically relates to use fixed hydraulic pressure for storage tank of DCS control to promptly cut off protection device.
Background
According to the relevant national regulations and standards, the storage tank container for storing the media such as gasoline, diesel oil, methanol, ethanol, ethyl ester of liquefied petroleum gas, ethane, butane, ethylene and the like is required to be provided with an emergency cut-off protection device, but only the emergency cut-off valve for the fixed storage tank for the pipeline is available in the domestic market at present, the emergency cut-off valve can be used for emergently blocking the liquid passage of the pipeline when the pressure pipeline leaks, so as to realize the purpose of emergently cutting off the pipeline, for example, when the storage tank and the first flange sealing surface, the sealing gasket or the first valve at the connecting pipe part of the spherical tank are frozen and damaged, fail and aged, or when the storage medium leaks due to the impact of external force or even artificial damage, even if the pipeline type emergency cut-off valve for the fixed storage tank is installed, the situation that the medium at the damaged part leaks out can not be controlled fundamentally, and the built-in fixed hydraulic emergency cut-off protection device, but also only realize emergency cut-off of the valve and power supply and no specific failure cause can be known.
Therefore, in order to compensate for the technical defects, a hydraulic emergency shutdown protection system for a storage tank needs to be designed, wherein corresponding measures can be taken according to different fault reasons.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide an automatic cut-off fault source is with hydraulic pressure DCS distributed control system for storage tank that reaches safety protection.
The utility model provides a its technical problem take following technical scheme to realize:
use fixed hydraulic pressure emergency cut-off protection device for storage tank of DCS control, including the storage tank, still include with the feed liquor pipe that the storage tank is connected, the storage tank still is connected with drain pipe and blow off pipe, the branch road of feed liquor pipe, the branch road of drain pipe and the branch road of blow off pipe all are connected with the hydraulic pressure pipe be provided with on the hydraulic pressure pipe and feel and shake module and fusible valve and electromagnetism bleeder valve, the mouth of pipe department of hydraulic pressure pipe is provided with manual hydraulic pump, the storage tank still is connected with the aciculiform three-way valve, the other end of aciculiform three-way valve is connected with the level gauge, the storage tank still is connected with the gas.
Preferably, be located the outside ground surface of storage tank still be provided with a plurality of combustible gas probe, combustible gas probe all is connected with the combustible gas alarm, the combustible gas alarm is connected with DCS distributed control system, DCS distributed control system is connected with computer display, DCS distributed control system wireless connection user cell-phone end.
Preferably, the storage tank outside be provided with a plurality of shower head, a plurality of be responsible for the connection with spraying between the shower head, the mouth of pipe department that sprays the person in charge is connected with the fire pump, the water piping connection of fire pump has the fire pond, the fire pump is connected DCS distributed control system.
Preferably, the emergency cut-off valve is positioned in the storage tank and connected with the liquid inlet pipe, the liquid outlet pipe and the drain pipe for fixing the storage tank.
Preferably, the gas phase pipe is provided with a thermometer, a temperature transmitter, a safety valve, a pressure gauge and a pressure transmitter, and signal ends of the temperature transmitter and the pressure transmitter are connected to the DCS distributed control system.
Preferably, the hydraulic pipe is also provided with a ball valve, an electromagnetic oil drain valve and a one-way valve.
Preferably, the vibration sensing module, the fusible valve and the electromagnetic oil drain valve are connected with the DCS distributed control system.
The utility model has the advantages that:
1. the utility model discloses a DCS distributed control system can realize monitoring data and when breaking down, like earthquake, conflagration, material surpass dress, temperature overtemperature and external force destruction, the valve that it corresponds can automatic cutout to upload and show in arriving the computer, make things convenient for operating personnel to examine and artificially issue the execution command.
2. The utility model discloses an inside hydraulic pressure that is provided with of storage tank promptly cuts off protection device, it has very big temperature inertia, can not produce stress failure because of the abrupt drop of temperature, need not consider the heat preservation antifreeze measure again, and the destruction of any human factor also need not consider, and this fundamentally has solved the first sealed face of flange of storage tank and has leaked and first valve irreparable problem because of the damage of external force causes, so has improved its security performance, has reduced casualties and loss of property.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
FIG. 2 is a schematic diagram of the circuit schematic data transmission of the present invention;
fig. 3 is a schematic diagram of the DCS distributed control system of the present invention.
In the figure: 1. a liquid level meter; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a hydraulic tube; 5. a ball valve; 6. an emergency cut-off valve for fixing the storage tank; 7. an electromagnetic oil drain valve; 8. a one-way valve; 9. a manual hydraulic pump; 10. a fusible valve; 11. a vibration sensing module; 12. a blow-off pipe; 13. spraying a main pipe; 14. a shower head; 15. a storage tank; 16. a thermometer; 17. a temperature transmitter; 18. a gas phase pipe; 19. a safety valve; 20. a pressure gauge; 21. a pressure transmitter; 22. a needle-shaped three-way valve; 23. a combustible gas probe.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
as shown in FIG. 1 and FIG. 2, the fixed storage tank of applied DCS control is with hydraulic pressure emergency cut-off protection device, including storage tank 15, still include with feed liquor pipe 2 that storage tank 15 is connected, storage tank 15 still is connected with drain pipe 3 and blow off pipe 12, feed liquor pipe 2, drain pipe 3 and blow off pipe 12 on all be connected with the compressor for control storage medium's flow direction and state. Feed liquor pipe 2 is arranged in adding the liquid medium that will store in the storage tank 15, drain pipe 3 be arranged in with the liquid medium output of storage tank 15 outside the jar, blow off pipe 12 be arranged in with the storage tank 15 in the sedimentary solid impurity discharge jar outside, the branch road of feed liquor pipe 2, the branch road of drain pipe 3 and the branch road of blow off pipe 12 all are connected with hydraulic pressure pipe 4 be provided with on the hydraulic pressure pipe 4 and feel and shake module 11 and fusible valve 10 and electromagnetism bleeder valve 7, the mouth of pipe department of hydraulic pressure pipe 4 is provided with manual hydraulic pump 9, through adjusting manual hydraulic pump 9, can promote each valve to work in the hydraulic pressure pipe 4 with the oil transmission in the oil tank of manual hydraulic pump 9. The storage tank 15 is further connected with a needle three-way valve 22, the other end of the needle three-way valve 22 is connected with a liquid level meter 1, the liquid level meter 1 is used for measuring the height of a liquid medium in the storage tank 15 to judge whether the material is excessively loaded, the needle three-way valve 22 is used for flushing the liquid level meter, and the storage tank 15 is further connected with a gas phase pipe 18. Storage tank 15 still be provided with a plurality of combustible gas probe 23 apart from ground surface department, combustible gas probe 23 all is connected with the combustible gas alarm, the combustible gas alarm is connected with DCS distributed control system, DCS distributed control system is connected with computer display, combustible gas probe 23 is installed in storage tank 15 outer ground surface department, can detect whether storage tank 15 takes place gas leakage when external force destroys or the pipe fitting destruction is inefficacy storage tank 15, when gas leakage, combustible gas probe 23 can transmit leakage information to the combustible gas alarm, the combustible gas alarm then transmits to computer display through DCS distributed control system and shows and send the police dispatch newspaper. Storage tank 15 outside be provided with a plurality of shower head 14, a plurality of be responsible for 13 connections with spraying between the shower head 14, the mouth of pipe department that sprays to be responsible for 13 is connected with the fire pump, the water piping connection of fire pump has the fire pond, the fire pump is connected DCS distributed control system, when storage tank 15 temperature is overtemperature, DCS distributed control system can automatic control fire pump take out the water in the fire pond to shower head 14, spout and cool down to storage tank 15.
In addition, be located storage tank 15 inside and with feed liquor pipe 2, drain pipe 3, blow off pipe 12 all are connected with fixed storage tank and use quick action emergency valve 6, gaseous phase pipe 18 on be equipped with thermometer 16, temperature transmitter 17, relief valve 19, manometer 20 and pressure transmitter 21, temperature transmitter 17 and pressure transmitter 21 all connect DCS distributed control system, thermometer 16 shows storage tank 15's temperature value, manometer 20 shows storage tank 15's pressure value, and temperature transmitter 17 and pressure transmitter 21 measure storage tank 15's temperature and pressure value respectively, and when storage tank 15 internal pressure was too big, relief valve 19 opened and is used for release pressure in order to keep tank internal pressure balanced. The hydraulic pipe 4 is also provided with a ball valve 5, an electromagnetic oil drain valve 7 and a one-way valve 8. The vibration sensing module 11, the fusible valve 10 and the electromagnetic oil drain valve 7 are connected with the DCS distributed control system, and when the temperature in the area where the storage tank 15 is located is too high, namely the temperature outside the storage tank 15 exceeds 75 +/-5 ℃, the fusible valve 10 is opened. When an earthquake occurs, the earthquake sensing module 11 detects the crack value of the ground and transmits the crack value to the DCS distributed control system. The computer can issue an instruction automatically, and the electromagnetic oil drain valve 7 is opened to drain the hydraulic oil, so that the emergency cut-off valve 6 for the fixed storage tank is used for automatically closing the valve, the liquid inlet pipe 2, the liquid outlet pipe 3 and the sewage discharge pipe 12 are blocked, and internal materials cannot enter and be discharged.
DCS is an english abbreviation (Distributed Control System) of Distributed Control System, and is also called as a Distributed Control System in the domestic automatic Control industry. Is a novel computer control system relative to a centralized control system.
When an earthquake occurs, the earthquake sensing module 11 can detect the ground crack value and transmit the ground crack value to the DCS distributed control system, and the DCS distributed control system feeds back the power supply, the liquid inlet pipe 2 and the liquid outlet pipe 3 to block the material inlet and outlet channels and close the power supply, so that the storage tank 15 is protected from the influence of the earthquake to cause the leakage. When the storage tank 15 causes gas leakage due to external force damage or failure deformation of the pipe fitting, the combustible gas probe 23 detects gas leakage in the storage tank 15 and transmits the gas leakage to the combustible gas alarm to give an alarm to inform a worker to maintain, and the DCS distributed control system can control the liquid inlet pipe 2 and the liquid outlet pipe 3 to be closed. When the temperature or the air pressure in the storage tank 15 is too large and exceeds the critical point of the limit, the temperature transmitter 17 and the pressure transmitter 21 transmit the detected over-limit value to the DCS distributed control system, when the pressure is too large or when the temperature of the area where the storage tank 15 is located is up to 75 +/-5 ℃, the fusible valve 10 is automatically opened, the liquid inlet pipe 2 and the liquid outlet pipe 3 are turned off, the safety valve 19 is controlled to be opened, the pressure is released, and when the temperature is ultrahigh, the fire pump is controlled to pump the water in the fire pool to the spray header 14, so that the purpose of cooling is achieved through the spraying storage tank 15. The level gauge 1 can detect the material height inside the storage tank 15, and when reaching the limit value, the DCS distributed control system cuts off the power supply and closes the liquid inlet pipe 2 so as to maintain the material balance inside the storage tank 15. And when the fault occurs, the fault video of the site can be remotely transmitted to a computer display for displaying through the DCS distributed control system, so that the operator can more clearly know the specific fault condition of the site.
Besides, the DCS distributed control system controls the storage tanks 15 to monitor information of the storage tanks 15 in real time, the DCS distributed control system is also in wireless connection with a user mobile phone end through a remote transmission end to wirelessly transmit the information of the storage tanks 15 monitored by the DCS distributed control system in real time to the user mobile phone, a user can observe the state of each storage tank 15 on the mobile phone, and if a fault occurs, the user can also turn off or turn on valves and running compressors of each storage tank 15 through the mobile phone to achieve the purposes of protecting system safety and eliminating the fault.
The utility model discloses a DCS distributed control system can also real-time supervision instantaneous data and when breaking down, if the earthquake, the conflagration, the material is adorned excessively, during temperature overtemperature and external force destroy, its valve that corresponds can automatic cutout, and upload and show in the computer, make things convenient for operating personnel to examine, furthermore, still be provided with hydraulic pressure in the storage tank inside and promptly cut off protection device, it has very big temperature inertia, can not produce stress failure because of the slump of temperature, need not consider heat preservation antifreeze measure again, the destruction of any human factor also need not consider, this fundamentally has solved the sealed face failure leakage of first piece flange of storage tank and the irreparable problem that first valve caused because of external force destroys, so its security performance has been improved, casualties and loss of property have been reduced.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.
Claims (7)
1. Use fixed hydraulic pressure emergency cut-off protection device for storage tank of DCS control, including storage tank (15), its characterized in that: still include with feed liquor pipe (2) that storage tank (15) are connected, storage tank (15) still are connected with drain pipe (3) and blow off pipe (12), the branch road of feed liquor pipe (2), the branch road of drain pipe (3) and the branch road of blow off pipe (12) all are connected with hydraulic pressure pipe (4) be provided with on hydraulic pressure pipe (4) and feel and shake module (11) and fusible valve (10) and electromagnetism bleeder valve (7), the mouth of pipe department of hydraulic pressure pipe (4) is provided with manual hydraulic pump (9), storage tank (15) still are connected with aciculiform three-way valve (22), the other end of aciculiform three-way valve (22) is connected with level gauge (1), storage tank (15) still are connected with gaseous phase pipe (18).
2. The hydraulic emergency shutdown protection device for a stationary tank using DCS control of claim 1, further comprising: lie in outside ground surface of storage tank (15) on still be provided with a plurality of combustible gas probe (23), combustible gas probe (23) all are connected to the combustible gas alarm, the combustible gas alarm is connected with DCS distributed control system, DCS distributed control system is connected with computer display, DCS distributed control system wireless connection user cell-phone end.
3. The hydraulic emergency shutdown protection device for a stationary tank using DCS control of claim 2, further comprising: storage tank (15) outside be provided with a plurality of shower head (14), a plurality of be connected with spraying person in charge (13) between shower head (14), the mouth of pipe department that sprays person in charge (13) is connected with the fire pump, the water piping connection of fire pump has the fire pond, the fire pump is connected DCS distributed control system.
4. The hydraulic emergency shutdown protection device for a stationary tank using DCS control of claim 1, further comprising: the emergency cut-off valve (6) is positioned in the storage tank (15) and connected with the liquid inlet pipe (2), the liquid outlet pipe (3) and the sewage discharge pipe (12) for fixing the storage tank.
5. The hydraulic emergency shutdown protection device for a stationary tank using DCS control of claim 2, further comprising: the gas phase pipe (18) is provided with a thermometer (16), a temperature transmitter (17), a safety valve (19), a pressure gauge (20) and a pressure transmitter (21), and signal ends of the temperature transmitter (17) and the pressure transmitter (21) are connected to the DCS distributed control system.
6. The hydraulic emergency shutdown protection device for a stationary tank using DCS control of claim 2, further comprising: the hydraulic pipe (4) is also provided with a ball valve (5), an electromagnetic oil drain valve (7) and a one-way valve (8).
7. The hydraulic emergency shutdown protection device for a stationary tank using DCS control of claim 2, further comprising: and the vibration sensing module (11), the fusible valve (10) and the electromagnetic oil drain valve (7) are connected with the DCS distributed control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085597.0U CN209893111U (en) | 2018-12-12 | 2018-12-12 | Hydraulic emergency cut-off protection device for fixed storage tank controlled by DCS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822085597.0U CN209893111U (en) | 2018-12-12 | 2018-12-12 | Hydraulic emergency cut-off protection device for fixed storage tank controlled by DCS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209893111U true CN209893111U (en) | 2020-01-03 |
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ID=68989347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822085597.0U Expired - Fee Related CN209893111U (en) | 2018-12-12 | 2018-12-12 | Hydraulic emergency cut-off protection device for fixed storage tank controlled by DCS |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209893111U (en) |
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2018
- 2018-12-12 CN CN201822085597.0U patent/CN209893111U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 Termination date: 20201212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |