CN210159239U - Self-control type liquefied gas two-stage water cutting device - Google Patents
Self-control type liquefied gas two-stage water cutting device Download PDFInfo
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- CN210159239U CN210159239U CN201921003435.6U CN201921003435U CN210159239U CN 210159239 U CN210159239 U CN 210159239U CN 201921003435 U CN201921003435 U CN 201921003435U CN 210159239 U CN210159239 U CN 210159239U
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Abstract
The utility model belongs to oil-water separation equipment, concretely relates to automatic control formula liquefied gas two-stage cuts hydrophone. To the problem of among the prior art under the unmanned on duty condition cutting device appear leaking unmanned understanding, cause serious consequence easily, the utility model discloses a self-control formula liquefied gas two-stage cutting device, technical scheme is: including one-level water cutting device, second grade water cutting device, still include the teletransmission level gauge, one-level water cutting device top is provided with the water cutting device inlet tube, and the water cutting device inlet tube passes through the pipeline and is connected with second grade water cutting device top, be provided with back liquid passageway valve on the pipeline, return and be connected with the intercommunication pipeline on the pipeline between liquid passageway valve and the second grade water cutting device, intercommunication pipeline and one-level water cutting device lower part intercommunication, be provided with the teletransmission level gauge on the second grade water cutting device, the teletransmission level gauge is connected with the electric cabinet, and second grade water cutting device lower part is provided with water cutting device outlet valve. The utility model is suitable for a deposit water among the discharge liquefied petroleum gas storage tank.
Description
Technical Field
The utility model belongs to oil-water separation equipment, concretely relates to automatic control formula liquefied gas two-stage cuts hydrophone.
Background
The water cutting device is a new generation product developed and designed according to the dehydration requirement of the storage tank in the petrochemical industry at present, the internal parts of the water cutting device are made of stainless steel, and the water cutting device has the advantages of reasonable design, simple structure, large water discharge, high oil return speed, strong corrosion resistance, convenience in use, safety, reliability and the like. The device is used in the petroleum and chemical industries, replaces the manual water cutting mode of an oil tank, realizes automatic water cutting, greatly reduces the labor intensity of operation work and the hydrogen sulfide poisoning phenomenon during manual water cutting, reduces the waste of oil products and environmental pollution, and simultaneously meets the standard requirements of drainage underdrains and pipelining of petrochemical systems. The problems that oil tank dehydration in the petrochemical industry adopts manual operation, oil-water separation cannot be strictly controlled, the oil content of discharged water is high, oil waste is caused, the environment is polluted and the like are solved; the great potential safety hazard caused by manual misoperation is overcome.
The water cutter is arranged at the lower part of the oil tank, the mechanical force generated by buoyancy is used for automatically opening and draining water, and the water cutter can be automatically closed after draining water, so that manual intervention is not needed, and energy is not consumed. Not only ensures the safe operation of production, but also lightens the labor intensity of workers and the pollution to the environment. The application range is wide, the installation and the use are convenient, the safety performance is good, and the reliability is high.
However, the liquefied petroleum gas storage tank system has higher pressure, and the liquefied petroleum gas has the characteristics of flammability, explosiveness and easy phase change, and even if a small amount of leakage exists, serious consequences can be caused. The mechanical automatic water cutting device cannot ensure 100% leakage prevention after running for a period of time, and particularly, the leakage of the water cutting device can cause serious consequences once the liquefied petroleum gas storage tank stands unattended.
SUMMERY OF THE UTILITY MODEL
To the problem of among the prior art under the unmanned on duty condition cutting ware appear leaking unmanned understanding, cause serious consequence easily, the utility model provides a self-control formula liquefied gas two-stage cutting ware, its aim at: when the water cutting device has leakage fault, the protection can be cut off and the alarm can be automatically given out, so that the worker can immediately deal with the leakage fault.
The utility model adopts the technical scheme as follows:
the utility model provides a self-control formula liquefied gas two-stage water cutting ware, includes that one-level water cutting ware, second grade water cutting ware, its characterized in that: still include the teletransmission level gauge, the one-level is cut the hydrophone top and is provided with the hydrophone inlet tube, and the hydrophone inlet tube is cut the hydrophone top through pipeline and second grade and is connected, be provided with back liquid passageway valve on the pipeline, be connected with the intercommunication pipeline on the pipeline between back liquid passageway valve and the second grade hydrophone, intercommunication pipeline and one-level water cutting ware lower part intercommunication, be provided with the teletransmission level gauge on the second grade water cutting ware, the teletransmission level gauge is connected with the electric cabinet, and second grade water cutting ware lower part is provided with the hydrophone outlet valve of cutting.
After adopting this technical scheme, when leakage fault had all taken place for one-level water cutting device, second grade water cutting device, the continuous decline of water level in the second grade water cutting device, when the water level dropped to the setting water level, the teletransmission level gauge arrived the electric cabinet with the signal transmission, and the electric cabinet sends alarm signal, and control center received alarm signal after immediate dispatch staff handles, can avoid on-the-spot unmanned value to be watched the time water cutting device and leak nobody and know and arouse major incident.
Preferably, the electric water heater further comprises an electric valve, wherein the electric valve is arranged between the secondary water cutting device and a water outlet valve of the water cutting device, and the electric valve is connected with the electric cabinet.
After the technical scheme is adopted, when a leakage fault occurs, the remote transmission water level gauge transmits a signal to the electric cabinet, and the electric cabinet sends a closing instruction to the electric valve while sending an alarm signal. After the ball valve is closed, a water seal with a certain height is arranged in the cylinder body of the secondary water cutter, and the liquefied gas is tightly sealed in the cylinder body without any leakage, so that the safety of the system is ensured.
Preferably, the pipeline connecting the water inlet pipe of the water cutter with the secondary water cutter is in an inclined straight line shape, and the inclined straight line slopes towards the secondary water cutter.
After the technical scheme is adopted, no elbow is arranged in a pipeline connecting the water inlet pipe of the water cutting device and the second-stage water cutting device, so that liquefied gas in the second-stage water cutting device can flow back to the storage tank more conveniently.
Preferably, a thermometer is arranged on the primary water cutting device.
After the technical scheme is adopted, the ambient temperature can be monitored in real time, the phenomenon that water in the first-stage water cutting device and the second-stage water cutting device is frozen and cannot be discharged due to too low temperature is prevented, and therefore the situation that deposited water in the liquefied gas storage tank cannot be discharged is avoided.
Preferably, the top of the secondary water cutting device is connected with a pressure gauge stop valve, and the pressure gauge stop valve is connected with a pressure gauge.
The deposited water in the storage tank enters the first-stage water cutter, the automatic opening and closing mechanism in the first-stage water cutter is opened, and after the water is discharged into the second-stage water cutter, the opening and closing mechanism in the second-stage water cutter is opened to discharge the water out of the water cutter. In the process, the pressure indicated by the pressure gauge starts to rise from '0', and the indicator needle of the pressure gauge gradually returns to '0' along with the end of the automatic drainage process. The manometer can be used for detecting whether normal work of second grade water cutting ware and whether the pipeline blocks up.
Preferably, a water cutting device heat tracing box is arranged on the outer side of the first-stage water cutting device and the outer side of the second-stage water cutting device.
After the technical scheme is adopted, when the ambient temperature is too low, the water in the first-stage water cutting device and the second-stage water cutting device can be prevented from freezing by opening the water cutting device heat tracing box, and the smooth discharge of the deposition water in the liquefied gas storage tank is ensured.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. when leakage faults occur in the primary water cutter and the secondary water cutter, the water level in the secondary water cutter continuously drops, when the water level drops to the set water level, the remote transmission liquid level meter transmits signals to the electric cabinet, the electric cabinet sends out alarm signals when sending out emergency cut-off instructions, the control center immediately sends out workers to process after receiving the alarm signals, and the situation that the field unattended time water cutter leaks and is not known by people to cause major safety accidents can be avoided.
2. When a leakage fault occurs, the remote transmission water level gauge transmits a signal to the electric cabinet, and the electric cabinet sends out a closing instruction to the electric valve while sending out an alarm signal. After the ball valve is closed, a water seal with a certain height is arranged in the cylinder body of the secondary water cutter, and the liquefied gas is tightly sealed in the cylinder body without any leakage, so that the safety of the system is ensured.
3. And no elbow is arranged in a pipeline connecting the water inlet pipe of the water cutter and the secondary water cutter, so that liquefied gas in the secondary water cutter can flow back to the storage tank.
4. Set up the thermometer and can real-time supervision ambient temperature, prevent that the temperature from crossing low and causing the water in one-level water cutting ware and the second grade water cutting ware to freeze and unable the discharge to the condition emergence that the deposit water in avoiding the liquefied gas storage tank can't be got rid of.
5. The pressure gauge is arranged to be used for detecting whether the secondary water cutting device works normally or not and whether the pipeline is blocked or not.
6. The water cutting device heat tracing box is arranged, when the ambient temperature is too low, the water cutting device heat tracing box is opened to prevent the water in the first-stage water cutting device and the second-stage water cutting device from freezing, and the smooth discharge of the deposition water in the liquefied gas storage tank is ensured.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram I of a self-control type liquefied gas two-stage water cutting device;
FIG. 2 is a schematic structural diagram II of a self-control type liquefied gas two-stage water cutting device;
fig. 3 is a schematic view of the installation of the self-control liquefied gas two-stage water cutting device.
1-first-stage water cutter, 2-thermometer, 3-liquid return channel valve, 4-communicating pipeline, 5-pressure gauge, 6-pressure gauge stop valve, 7-second-stage water cutter, 8-liquid level gauge valve, 9-remote liquid level gauge, 10-water cutter external heat tracing box, 11-electric valve, 12-water cutter water outlet valve, 13-electric control box, 14-water cutter water inlet gate valve, 15-bypass pipeline and 16-spherical tank water outlet valve.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1 to 3.
The utility model provides a self-control formula liquefied gas two-stage water cutting ware, includes that one-level water cutting ware 1, second grade water cutting ware 7, still includes teletransmission level gauge 9, 1 top of one-level water cutting ware is provided with the water cutting ware inlet tube, and the water cutting ware inlet tube passes through the pipeline and is connected with liquefied petroleum gas storage tank, be close to water cutting ware inlet tube one side on the pipeline and be provided with water cutting ware water inlet gate valve 14, be close to liquefied petroleum gas storage tank one side on the pipeline and be provided with spherical tank drain valve 16, be provided with bypass line 15 in the pipeline. The side of the water inlet pipe of the water cutter is connected with the top of the second-stage water cutter 7 through a pipeline, a liquid return channel valve 3 is arranged on the pipeline, a communicating pipeline 4 is connected on the pipeline between the liquid return channel valve 3 and the second-stage water cutter 7, the communicating pipeline 4 is communicated with the lower portion of the first-stage water cutter 1, a remote liquid level meter 9 is arranged on the second-stage water cutter 7, the remote liquid level meter 9 can be arranged on any one side of the second-stage water cutter 7 on the premise that the use is not affected (for example, the remote liquid level meter 9 is arranged on the right side of the second-stage water cutter 7 in the figure 1, the remote liquid level meter 9 is arranged in the front of the second-stage water cutter 7 in the figure 2), the remote liquid level meter 9 is connected with an electric cabinet 13, and. The deposition water in the liquefied petroleum gas storage tank is discharged after the two-stage water cutting process, the liquefied petroleum gas in the discharged water is basically eliminated, and the two-stage water cutting can effectively prevent the liquefied petroleum gas leakage accident possibly caused by pressure fluctuation in the water cutting process. When leakage faults occur in the primary water cutter 1 and the secondary water cutter 7, the water level in the secondary water cutter 7 continuously drops, when the water level drops to the set water level, the remote transmission liquid level meter 9 transmits a signal to the electric cabinet 13, the electric cabinet 13 sends out an alarm signal, and the control center immediately sends out a worker to process the alarm signal after receiving the alarm signal, so that the situation that the leakage of the on-site unattended water cutter is unknown and serious safety accidents are caused can be avoided.
Preferably, the electric water cutting device further comprises an electric valve 11, wherein the electric valve 11 is arranged between the secondary water cutting device 7 and a water discharging port valve 12 of the water cutting device, and the electric valve 11 is connected with an electric cabinet 13. When a leakage fault occurs, the remote transmission water level gauge 9 transmits a signal to the electric control box 13, and the electric control box 13 sends out a closing instruction to the electric valve 11 while sending out an alarm signal. After the electric valve 11 is closed, a water seal with a certain height is arranged in the cylinder body of the secondary water cutting device 7, and the liquefied gas is tightly sealed in the cylinder body without leaking, so that the safety of the system is ensured.
Preferably, the pipeline connecting the water inlet pipe of the water cutter and the secondary water cutter 7 is in an inclined straight line shape, and the inclined straight line slopes towards the secondary water cutter 7. The arrangement can make the liquefied gas in the secondary water cut-off device 7 easier to flow back into the liquefied petroleum gas storage tank.
Preferably, a thermometer is arranged on the primary water cutting device 1. Because water freezes easily under cold weather, leads to the water in the ware of cutting to be unable to get rid of, so need monitor the ambient temperature, just need to take anti-freezing measure when the temperature is lower.
Preferably, the top of the secondary water cutting device 7 is connected with a pressure gauge stop valve 6, and the pressure gauge stop valve 6 is connected with a pressure gauge 5.
Preferably, a water cutting heater accompanying box 10 is arranged outside the first-stage water cutting device 1 and the second-stage water cutting device 7. When the ambient air temperature is lower, the water cutting device heat tracing box 10 is opened to prevent the deposited water in the first-stage water cutting device 1 and the second-stage water cutting device 7 from freezing, and the normal work of the water cutting devices is ensured.
The working principle of the device is explained in detail below:
when water is cut, the water outlet valve 12 of the water cutting device is opened, the secondary water cutting device enters an operating state, after water is discharged, the internal mechanisms of the primary water cutting device 1 and the secondary water cutting device 7 are closed successively, and the pointer of the pressure gauge 5 is reduced to zero.
When water is cut again, the deposited water in the storage tank enters the first-stage water cutter 1, and the automatic opening and closing mechanism is opened. The automatic opening and closing mechanism adopts an automatic opening and closing mechanism in the prior art. After the water is discharged into the second-stage water cutter 7, the opening and closing mechanism of the second-stage water cutter 7 is opened to discharge the water. In the process, the pressure indicated by the pressure gauge can rise from '0', and the pressure gauge pointer gradually returns to '0' along with the end of the automatic drainage process. The gate valve 14 of the water inlet of the water cutter, the drain valve 16 of the spherical tank and the drain valve 12 of the water cutter are normally opened, and the water cutter enters a normal operation state. Liquefied gas in the first-stage water cutting device 1 flows back to the storage tank through a pipeline at the top of the first-stage water cutting device, and the liquefied gas in the second-stage water cutting device 7 flows back to the storage tank through the second-stage water cutting device and a pipeline connected with a water inlet pipe of the water cutting device after being accumulated to a certain degree.
When leakage faults occur in the primary water cutting device 1 and the secondary water cutting device 7, the water level in the secondary dehydrator 7 continuously drops, when the water level drops to a set water level, the remote water level meter 9 transmits a signal to the electric cabinet 13, and the electric cabinet 13 sends out a closing instruction to the electric (or pneumatic) valve 11 while sending out an alarm signal. After the electric (or pneumatic) valve 11 is closed, a water seal with a certain height is arranged in the secondary dehydrator 7, so that the liquefied gas is tightly sealed in the cylinder body without leakage, and the system safety is ensured.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (6)
1. The utility model provides a self-control formula liquefied gas two-stage water cutting ware, includes that one-level water cutting ware (1), second grade water cutting ware (7), its characterized in that: still include teletransmission level gauge (9), one-level water cutting ware (1) top is provided with the water cutting ware inlet tube, and the water cutting ware inlet tube passes through the pipeline and is connected with second grade water cutting ware (7) top, be provided with back liquid passageway valve (3) on the pipeline, return and be connected with intercommunication pipeline (4) on the pipeline between liquid passageway valve (3) and second grade water cutting ware (7), intercommunication pipeline (4) and one-level water cutting ware (1) lower part intercommunication, be provided with teletransmission level gauge (9) on second grade water cutting ware (7), teletransmission level gauge (9) are connected with electric cabinet (13), and second grade water cutting ware (7) lower part is provided with water cutting ware outlet valve (12).
2. The self-controlled two-stage water cutter for liquefied gas as claimed in claim 1, further comprising an electrically operated valve (11), wherein the electrically operated valve (11) is disposed between the two-stage water cutter (7) and the water outlet valve (12) of the water cutter, and the electrically operated valve (11) is connected to the electric cabinet (13).
3. The self-controlled two-stage water cutter for liquefied gas as claimed in claim 1, wherein the pipeline connecting the water inlet pipe of the water cutter and the two-stage water cutter (7) is inclined straight and the inclined straight line is inclined towards the two-stage water cutter (7).
4. A self-controlled two-stage water cutter for liquefied gas according to claim 1, wherein a thermometer is provided on the one-stage water cutter (1).
5. A self-controlled two-stage water cutter for liquefied gas as claimed in claim 1, wherein the top of the two-stage water cutter (7) is connected with a pressure gauge stop valve (6), and the pressure gauge stop valve (6) is connected with a pressure gauge (5).
6. The self-controlled two-stage water cutter for liquefied gas as claimed in claim 1, wherein the water cutter heat tracing box (10) is arranged outside the first stage water cutter (1) and the second stage water cutter (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003435.6U CN210159239U (en) | 2019-07-01 | 2019-07-01 | Self-control type liquefied gas two-stage water cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921003435.6U CN210159239U (en) | 2019-07-01 | 2019-07-01 | Self-control type liquefied gas two-stage water cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210159239U true CN210159239U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921003435.6U Active CN210159239U (en) | 2019-07-01 | 2019-07-01 | Self-control type liquefied gas two-stage water cutting device |
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| Country | Link |
|---|---|
| CN (1) | CN210159239U (en) |
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- 2019-07-01 CN CN201921003435.6U patent/CN210159239U/en active Active
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