CN205575621U - A safety device for pier vapor recovery system - Google Patents
A safety device for pier vapor recovery system Download PDFInfo
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- CN205575621U CN205575621U CN201620270029.6U CN201620270029U CN205575621U CN 205575621 U CN205575621 U CN 205575621U CN 201620270029 U CN201620270029 U CN 201620270029U CN 205575621 U CN205575621 U CN 205575621U
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- oxygen content
- gas
- vapor recovery
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Abstract
The utility model discloses a safety device for pier vapor recovery system, including return line, set up in last automatically controlled cabinet and the following mechanism of return line: oxygen content monitoring mechanism: including an oxygen content detection appearance, the 2nd oxygen content detection appearance and lazyization system, pressure monitoring mechanism: including the pressure transmitter that establishes ties in proper order, manometer, the 2nd pressure transmitter, pressure / vacuum valve and the explosion -proof solenoid valve that pressure / vacuum valve connected in parallel mutually, explosion -proof mechanism: including first rupture disk, explosion -proof hong the fire -retardant ware of type, second rupture disk and a differential pressure transmitter, a differential pressure transmitter with explosion -proof hong the fire -retardant ware of type is parallelly connected, above -mentioned each mechanism of automatically controlled cabinet control connection, adopt the utility model provides a safety device, other parameters such as pressure that can real -time supervision oil gas, oxygen content, anti -detonation, effectively with the oil carrier and on the bank recovery unit keep apart the security that has improved vapor recovery system greatly.
Description
Technical field
This utility model relates to harbour device for recovering oil and gas, specifically, relate to a kind of for
The safety device of harbour petroleum vapor recovery.
Background technology
In harbour oil carrier shipment, can be with the generation of oil gas.Owing to oil gas is dispersed in air
In, not only cause a certain degree of pollution to air, meanwhile, if the temperature in air or pressure
Power is too high, and oil gas is susceptible to explosion phenomenon.Peace greatly is caused to oil carrier and working on the bank
Full hidden danger, therefore in oil carrier shipment, needs to carry out back oil gas with device for recovering oil and gas
Receive.
At present, abroad petroleum vapor recovery is had many requirement and safety standard, firm yet with China
Just having promoted the work of harbour petroleum vapor recovery, the safety problem at ship bank interface does not the most come into one's own, and lacks
The requirement of few standards and norms.Therefore, when harbour carries out petroleum vapor recovery, the most still use
The mode that oil gas is directly reclaimed by retracting device, lacks important safe link, and safety is hidden
Trouble yet suffers from.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is that offer one can be real-time
The monitoring parameter such as oil-air pressure and oxygen content, when generation superpressure, oxygen content can be automatic when exceeding standard
Regulation oil-air pressure and oxygen content, and it is prevented from superpressure or oxygen content exceeds standard caused quick-fried
Fried phenomenon, safety device for harbour petroleum vapor recovery.
For reaching above-mentioned purpose, the technical solution of the utility model is as follows: return for harbour oil gas
The safety device received, described safety device includes recovery channel, is arranged on described recovery channel
Electrical control cubicles and following mechanism:
Oxygen content mechanism for monitoring: include the first oxygen content testing instrument, the second oxygen content testing instrument with
And inerting system, described first oxygen content testing instrument and described second oxygen content testing instrument are arranged at
The entrance point of described recovery channel and the port of export, described inerting system be arranged at described entrance point with
Between described first oxygen content testing instrument；Described inerting system includes for carrying inerting gas
Pipeline and the some valves being arranged on described pipeline；
Pressure monitoring mechanism: be arranged at the outlet side of described first oxygen content testing instrument, including depending on
First pressure transmitter of secondary series connection, Pressure gauge, the second pressure transmitter, pressure/vacuum
And and the explosion-proof solenoid valve that is in parallel of described pressure/vacuum；
Anti-explosion mechanism: be arranged at the outlet side of described pressure monitoring mechanism, including the first rupture disk,
Anti-detonation type flame-retardant device, the second rupture disk and the first differential pressure transmitter；Described first rupture disk
With the two ends that the second rupture disk is respectively arranged at described anti-detonation type flame-retardant device, described first differential pressure
Transmitter is in parallel with described anti-detonation type flame-retardant device；
Described electrical control cubicles controls to connect each mechanism above-mentioned.
Using technique scheme, technical solutions of the utility model provide the benefit that: oxygen content
First oxygen content testing instrument of mechanism for monitoring and the setting of the second oxygen content testing instrument, enabling
The entrance point of recovery channel and the oxygen content of the port of export are monitored in real time, works as oxygen content
When exceeding setting value, it is possible to the signal that oxygen content exceeded standard feeds back to the control in electrical control cubicles in time
Device, controller will stop the recovery operation of oil gas, until oxygen content is normal；And when first contains
Oxygen amount detector detects that when oxygen content exceedes the setting value that inerting system starts, then first is oxygen-containing
Amount detector will deliver the signal to controller, and controller will open inerting system, lazy
Change system will carry the inerting gas concentration with dilution oxygen in recovery channel so that oxygen-containing
Measure up to standard；
The setting of each pressure detecting part in pressure monitoring mechanism, it is possible to monitor recovery tube in real time
The force value of oil gas in road, oil-air pressure is monitored by Pressure gauge, the first pressure transmitter,
The setting of the second pressure transmitter, enabling in time force value is fed back to controller, even if
One of them pressure transmitter is in damaged condition, and another also can be standby；Pressure/vacuum
Setting so that during oil gas superpressure, it is possible to be automatically releasable the pressure of oil gas, play release of pressure effect,
Meanwhile, the setting of the explosion-proof solenoid valve being in parallel with it, when oil-air pressure superelevation, can alleviate
The work load of pressure/vacuum, carries out release of pressure work together, can prevent pressure/vacuum simultaneously
Valve is when producing fault, and explosion-proof solenoid valve carries out discharging pressure, and pressure emission effect is more preferably, real
Existing duplicate protection, dual release of pressure function, pressure is monitored and signal by pressure monitoring mechanism
Transmission, it is to avoid occur, because of superpressure phenomenon, explosion phenomenon occurs during petroleum vapor recovery, it is ensured that
The safety at ship bank interface；
Anti-detonation type flame-retardant device, the setting of the first differential pressure transmitter, the first differential pressure in anti-explosion mechanism
The pressure at two ends of anti-detonation type flame-retardant device can be monitored by transmitter in real time, to judge that it is
No normal work, even if the phenomenon exceeding standard because of superpressure or oxygen content and setting off an explosion occurs, anti-
Detonation type flame-retardant device can suppress explosive levels, the first rupture disk and the setting of the second rupture disk,
Pressure excessive during detonation can be eliminated simultaneously, prevent safety device damaged, whole blasting-proof machine
Structure is prevented from generation or the suppression explosive levels of blast, passes to detonator signal in time control
Device, controller will stop petroleum vapor recovery work, it is achieved the isolation at ship bank interface；
Generally speaking, pressure monitoring mechanism in this safety device, oxygen content mechanism for monitoring and anti-
The setting of quick-fried mechanism, enabling parameters such as reclaiming the pressure of oil gas and oxygen content is carried out in real time
Monitoring, and parameter signal is fed back in time electrical control cubicles, it is possible to exceed standard in superpressure or oxygen content
Time interrupt the recovery of oil gas in time, treat that parametric regression is normal, then restart device and carry out oil gas
Reclaim, it is ensured that oil carrier and safety on the bank, no matter oil carrier or explosion phenomenon occurs on the bank, also
Will not mutually spread, improve the safety coefficient of petroleum vapor recovery, it is ensured that personnel and the peace of device
Entirely.
On the basis of technique scheme, this utility model also can improve as follows:
As preferred scheme, it is provided with between described pressure monitoring mechanism and described anti-explosion mechanism
Gas-liquid separation mechanism, described gas-liquid separation mechanism includes gas-liquid separator and the second differential pressure transporting
Device, described gas-liquid separator and described second differential pressure transmitter are in parallel.
Use above-mentioned preferred scheme, the setting of gas-liquid separator in gas-liquid separation mechanism so that
The liquid such as produced moisture during petroleum vapor recovery can be reclaimed, prevent removal process
The liquid such as middle moisture produce interference to recovery operation, the monitoring of affecting parameters, carry further
High monitoring accuracy, Monitoring Data is more accurate；Second differential pressure transmitter can judge that gas-liquid is divided at any time
Whether being in normal operating conditions from device, safety coefficient is higher.
As preferred scheme, described safety device also includes check-valves, and described check-valves is arranged
Between described entrance point and described inerting system.
Using above-mentioned preferred scheme, when oxygen content exceeds standard, check-valves will cut out, and stops
, there is explosion phenomenon in the recovery of oil gas, protects the interface peace of ship bank when preventing oxygen content from exceeding standard
Entirely；Treat that inerting system, by the oxygen dilution in the oil gas of recovery channel, reaches oxygen content normal value
Time, check-valves will be opened, and proceeds the recovery operation of oil gas；Simultaneously as check-valves
Simply one-way only operation, it is possible to effectively the oil gas of oil carrier and retracting device on the bank are carried out every
From, improve safety coefficient further, more preferable than traditional two-way valve (such as butterfly valve) safe effect.
As preferred scheme, described safety device also includes for measuring fuel gas or harmful
The VOC detector of gas concentration.
Using above-mentioned preferred scheme, VOC detector can be to harmful gas and fuel gas
Concentration carries out real-time monitoring, and in time signal is passed to electrical control cubicles, prevents the generation of blast.
As preferred scheme, arrange between described pressure/vacuum and described gas-liquid separator
There is anti-explosion electric ball valve.
Using above-mentioned preferred scheme, when oxygen content exceeds standard, anti-explosion electric ball valve will be automatic
Closing, when being in power failure state, anti-explosion electric ball valve also can be automatically switched off, due to its sealing
Get well and the advantage of one-way transmission so that the oil gas of recovery can not be transferred on ship, it is possible to preferably
Ship bank is isolated so that safety and isolation effect are more preferable.
As preferred scheme, described safety device also includes temperature monitoring mechanism, described temperature
Mechanism for monitoring includes the first temperature transmitter and the second temperature transmitter, described first temperature pick-up
Device is arranged between described first rupture disk and described anti-detonation type flame-retardant device, described second temperature
Transmitter is arranged between described anti-detonation type flame-retardant device and described second rupture disk.
Using above-mentioned preferred scheme, the setting of temperature transmitter makes the oil in recovery channel
Temperature is monitored in real time, and in time temperature parameter is fed back to electrical control cubicles, properly protects
Measure, prevents from occurring explosion phenomenon because temperature is too high.
As preferred scheme, regulation valve that described valve includes being sequentially connected in series, air relief valve and
Stop valve.
Use above-mentioned preferred scheme, regulation valve can regulate inerting transfer of gas amount, decompression
Valve can alleviate the pressure in conveying inerting gas process, and stop valve can open and close pipeline, reach
Open the conveying of inerting gas or close the purpose of inerting gas conveying.
As preferred scheme, described safety device also includes flow monitoring mechanism, described flow
Mechanism for monitoring includes effusion meter.
Using above-mentioned preferred scheme, the flow of oil gas is monitored by effusion meter in real time, and
Its flow parameter is fed back to electrical control cubicles in time, prevent from producing because gas flow is too high superpressure or
Explosion phenomenon.
As preferred scheme, between described entrance point and described check-valves, described effusion meter and
It is provided with insulating flange between the described port of export.
Use above-mentioned preferred scheme so that even if occurring blast existing during petroleum vapor recovery
As, insulating flange also is able to carry out insulating and intercepting by recovery channel, prevents spreading of blast.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment technology, below will
In describing embodiment technology, the required accompanying drawing used is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, common for this area
From the point of view of technical staff, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is this utility model front view for the safety device of harbour petroleum vapor recovery；
Fig. 2 is this utility model top view for the safety device of harbour petroleum vapor recovery；
Fig. 3 is this utility model side view for the safety device of harbour petroleum vapor recovery；
Fig. 4 is this utility model electric diagram for the safety device of harbour petroleum vapor recovery.
Wherein, 1, recovery channel, 11, entrance point, 12, the port of export, 13, check-valves,
14, VOC detector, 15, anti-explosion electric ball valve, 16, insulating flange, 2, electrical control cubicles, 21,
Alarm lamp, the 31, first oxygen content testing instrument, the 32, second oxygen content testing instrument, 33, pipeline,
34, regulation valve, 35, air relief valve, 36, stop valve, the 41, first pressure transmitter, 42,
Pressure gauge, the 43, second pressure transmitter, 44, pressure/vacuum, 45, explosion-proof solenoid valve,
51, the first rupture disk, 52, anti-detonation type flame-retardant device, the 53, second rupture disk, 54, first
Differential pressure transmitter, 61, gas-liquid separator, the 62, second differential pressure transmitter, the 71, first temperature
Transmitter, the 72, second temperature transmitter, 8, effusion meter, 9, base.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme be clearly and completely described, it is clear that described embodiment be only this
The a part of embodiment of utility model rather than whole embodiments.Based in this utility model
Embodiment, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of this utility model protection.
In order to reach the purpose of this utility model, as Figure 1-4, it is used at this utility model
In some embodiments of the safety device of harbour petroleum vapor recovery, its returning for harbour oil gas
Receive, electrical control cubicles 2 and that this safety device includes recovery channel 1, is arranged on recovery channel 1
Following mechanism:
Oxygen content mechanism for monitoring: include first oxygen content testing instrument the 31, second oxygen content testing instrument
32 and inerting system, the first oxygen content testing instrument 31 and the second oxygen content testing instrument 32 are arranged
In entrance point 11 and the port of export 12 of recovery channel 1, inerting system is arranged at entrance point 11
And between the first oxygen content testing instrument 31；Inerting system includes the pipe for carrying inerting gas
Road 33 and the some valves being arranged on pipeline；During work, inerting gas can use nitrogen,
Other gases can also be used.
Pressure monitoring mechanism: be arranged at the outlet side of the first oxygen content testing instrument 31, including depending on
First pressure transmitter 41 of secondary series connection, Pressure gauge the 42, second pressure transmitter 43, pressure/
Vacuum valve 44 and the explosion-proof solenoid valve 45 being in parallel with pressure/vacuum 44；
Anti-explosion mechanism: be arranged at the outlet side of pressure monitoring mechanism, including the first rupture disk 51,
Anti-detonation type flame-retardant device the 52, second rupture disk 53 and the first differential pressure transmitter 54；First is quick-fried
Fragmentation 51 and the second rupture disk 53 are respectively arranged at the two ends of anti-detonation type flame-retardant device 52, the
One differential pressure transmitter 54 is in parallel with anti-detonation type flame-retardant device 52；
Electrical control cubicles 2 controls to connect each mechanism above-mentioned, electrical control cubicles 2 is provided with for superpressure pre-
Alert or oxygen content exceeds standard the alarm lamp 21 of early warning.During work, whole safety device is installed on base
On 9, it is simple to dismount and transport.
Using technique scheme, technical solutions of the utility model provide the benefit that: oxygen content
First oxygen content testing instrument 31 and the setting of the second oxygen content testing instrument 32 of mechanism for monitoring, makes
Obtain and the oxygen content of the entrance point 11 of recovery channel 1 and the port of export 12 can be supervised in real time
Survey, when oxygen content exceedes setting value, it is possible to the signal that oxygen content exceeded standard feeds back to electricity in time
The controller of 2 in control cabinet, controller will stop the recovery operation of oil gas, until oxygen content is just
Often；And when the first oxygen content testing instrument 31 detects that oxygen content exceedes setting of inerting system startup
During definite value, then the first oxygen content testing instrument 31 will deliver the signal to controller, controls
Device will open inerting system, inerting system will carry in recovery channel 1 inerting gas with
The concentration of dilution oxygen so that oxygen content is up to standard；
The setting of each pressure detecting part in pressure monitoring mechanism, it is possible to monitor recovery tube in real time
The force value of oil gas in road, oil-air pressure is monitored by Pressure gauge 42, the first pressure inverting
The setting of device the 41, second pressure transmitter 43, enabling in time force value is fed back to control
Device processed, even if one of them pressure transmitter is in damaged condition, another also can be standby；Pressure
The setting of power/vacuum valve 44 so that during oil gas superpressure, it is possible to be automatically releasable the pressure of oil gas,
Play release of pressure effect, meanwhile, the setting of the explosion-proof solenoid valve 45 being in parallel with it, work as oil gas
During pressure superelevation, can ease off the pressure/the work load of vacuum valve 44, carries out release of pressure work together,
Pressure/vacuum 44 can be prevented when producing fault, and explosion-proof solenoid valve 45 discharges simultaneously
Pressure, pressure emission effect is more preferably, it is achieved duplicate protection, dual release of pressure function, pressure monitoring
Pressure is monitored and the transmission of signal by mechanism, it is to avoid occur during petroleum vapor recovery because surpassing
Press phenomenon that explosion phenomenon occurs, it is ensured that the safety at ship bank interface；
The setting of anti-detonation type flame-retardant device the 52, first differential pressure transmitter 54 in anti-explosion mechanism, the
The pressure at two ends of anti-detonation type flame-retardant device 52 can be supervised by differential pressure transmitter 54 in real time
Survey, to judge that it the most normally works, even if occurring exceeding standard because of superpressure or oxygen content and causing
The phenomenon of blast, anti-detonation type flame-retardant device 52 can suppress explosive levels, the first rupture disk 51
With the setting of the second rupture disk 53, pressure excessive during detonation can be eliminated simultaneously, prevent peace
Full device is damaged, and whole anti-explosion mechanism is prevented from generation or the suppression explosive levels of blast,
Detonator signal passes to controller in time, and controller will stop petroleum vapor recovery work, it is achieved
The isolation at ship bank interface；
Generally speaking, pressure monitoring mechanism in this safety device, oxygen content mechanism for monitoring and anti-
The setting of quick-fried mechanism, enabling parameters such as reclaiming the pressure of oil gas and oxygen content is carried out in real time
Monitoring, and parameter signal is fed back in time electrical control cubicles 2, it is possible to surpass in superpressure or oxygen content
Timestamp interrupts the recovery of oil gas in time, treats that parametric regression is normal, then restarts device and carry out oil
Gas reclaims, it is ensured that oil carrier and safety on the bank, no matter oil carrier or explosion phenomenon occurs on the bank,
Also will not mutually spread, improve the safety coefficient of petroleum vapor recovery, it is ensured that personnel and device
Safety.
On the basis of technique scheme, this utility model also can improve as follows:
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, being provided with gas-liquid separation mechanism between pressure monitoring mechanism and anti-explosion mechanism, gas-liquid is divided
Structure of disembarking includes gas-liquid separator 61 and the second differential pressure transmitter 62, gas-liquid separator 61 and
Two differential pressure transmitters 62 are in parallel.
Use above-mentioned preferred scheme, the setting of gas-liquid separator 61 in gas-liquid separation mechanism,
Make it possible to the liquid such as produced moisture during petroleum vapor recovery are reclaimed, prevent from reclaiming
During the liquid such as moisture recovery operation is produced interference, the monitoring of affecting parameters, enter one
Step improves monitoring accuracy, and Monitoring Data is more accurate；Second differential pressure transmitter 62 can be sentenced at any time
Whether liquid/gas separator 61 of dying is in normal operating conditions, and safety coefficient is higher.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, safety device also includes that check-valves 13, check-valves 13 are arranged at entrance point 11 and lazy
Between change system.
Using above-mentioned preferred scheme, when oxygen content exceeds standard, check-valves 13 will cut out,
Stop the recovery of oil gas, explosion phenomenon occurs when preventing oxygen content from exceeding standard, protects the boundary of ship bank
Face safety；Treat that inerting system, by the oxygen dilution in the oil gas of recovery channel 1, reaches oxygen content
During normal value, check-valves 13 will be opened, and proceeds the recovery operation of oil gas；Meanwhile,
Due to check-valves 13 simply one-way only operation, it is possible to effectively by the oil gas of oil carrier and returning on the bank
Receiving apparatus is isolated, and improves safety coefficient further, than traditional two-way valve (such as butterfly valve)
Safe effect is more preferable.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, safety device also includes the VOC inspection for measuring fuel gas or harmful gas concentration
Survey instrument 14.
Using above-mentioned preferred scheme, VOC detector 14 can be to harmful gas and fuel gas
Concentration carry out real-time monitoring, and in time signal is passed to electrical control cubicles 2, prevents blast
Produce.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, between pressure/vacuum and gas-liquid separator, it is provided with anti-explosion electric ball valve 15.
Using above-mentioned preferred scheme, when oxygen content exceeds standard, anti-explosion electric ball valve 15 will
Being automatically switched off, when being in power failure state, anti-explosion electric ball valve also can be automatically switched off, owing to it is close
Envelope property is got well and the advantage of one-way transmission so that the oil gas of recovery can not be transferred on ship, it is possible to more
Good is isolated ship bank so that safety and isolation effect are more preferable.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, safety device also includes that temperature monitoring mechanism, temperature monitoring mechanism include the first temperature
Transmitter 71 and the second temperature transmitter 72, the first temperature transmitter 71 is arranged at the first explosion
Between sheet 51 and anti-detonation type flame-retardant device 52, the second temperature transmitter 72 is arranged at anti-detonation
Between type flame-retardant device 52 and the second rupture disk 53.
Using above-mentioned preferred scheme, the setting of temperature transmitter makes in recovery channel 1
Oil gas temperature is monitored in real time, and in time temperature parameter is fed back to electrical control cubicles 2, carries out
Safeguard procedures, prevent from occurring explosion phenomenon because temperature is too high.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, valve includes regulation valve 34, air relief valve 35 and the stop valve 36 being sequentially connected in series.
Use above-mentioned preferred scheme, regulation valve 34 can regulate inerting transfer of gas amount,
Air relief valve 35 can alleviate the pressure in conveying inerting gas process, and stop valve 36 can open and close
Pipeline 33, reaches open the conveying of inerting gas or close the purpose of inerting gas conveying.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, safety device also includes that flow monitoring mechanism, flow monitoring mechanism include effusion meter 8.
Using above-mentioned preferred scheme, the flow of oil gas is monitored by effusion meter 8 in real time, and
And its flow parameter is fed back to electrical control cubicles 2 in time, prevent from producing because gas flow is too high super
Pressure or explosion phenomenon.
In order to optimize implementation result of the present utility model further, as shown in Figure 1, Figure 2 and figure
Shown in 4, implement for the other of the safety device of harbour petroleum vapor recovery at this utility model
In mode, between entrance point 11 and check-valves 13, between effusion meter 8 and the port of export 12 all
It is provided with insulating flange 16.
Use above-mentioned preferred scheme so that even if occurring blast existing during petroleum vapor recovery
As, insulating flange 16 also is able to carry out insulating and intercepting by recovery channel 1, prevents blast
Spread.
As Figure 1-4, harbour oil-gas recovery method, utilize above-mentioned returning for harbour oil gas
The safety device received carries out petroleum vapor recovery, specifically comprises the following steps that
One, installation, tuning parameter: by the output of the entrance point 11 of recovery channel 1 with oil carrier
Pipeline connect, by the port of export 12 of recovery channel 1 be used for reclaiming the retracting device phase of oil gas
Connect, afterwards the parameter of each mechanism for monitoring be configured and debug.
Two, oxygen content monitoring: when the first oxygen content testing instrument 31 monitors in recovery channel
When oxygen content exceedes setting value (during petroleum vapor recovery, this setting value is 6.5%), the first oxygen content
Detector 31 will pass to electrical control cubicles 2 this oxygen content parameter, and electrical control cubicles 2 will control lazy
Change system works, until the oxygen content in recovery channel 1 is diluted to normal value；When first contains
Any one in oxygen amount detector 31 and the second oxygen content testing instrument 32 monitors oxygen content and exceedes
When 8%, electrical control cubicles 2 will control the oil-gas transportation in recovery channel 1 and terminate, and treats that oxygen content is extensive
Multiple normal value, then continue petroleum vapor recovery work.
Three, pressure monitoring: when in first pressure transmitter the 41, second pressure transmitter 43
Any one high-pressure value monitored in recovery channel 1 is low more than 14KPA or negative pressure force value
When-3.5KPA, pressure/vacuum 44 opens release pressure, and now anti-explosion electric ball valve is certainly
Dynamic closedown；When any one monitoring in first pressure transmitter the 41, second pressure transmitter 43
High-pressure value in recovery channel 1 is less than-4.0KPA more than 15KPA or negative pressure force value
Time, explosion-proof solenoid valve 45 opens release pressure；Wherein, monitor when the second differential pressure transmitter 62
To the pressure differential at gas-liquid separator 61 two ends more than 1.0KPA time, point out fault alarm.
Four, explosion-proof monitoring: when the first differential pressure transmitter 54 monitors anti-detonation type flame-retardant device 52
The pressure differential at two ends, more than 0.8KPA, points out fault alarm；When the first differential pressure transmitter 54 is supervised
When pressure measurement force value is more than 1.6MPA, the first rupture disk 51 and the second rupture disk 53 work, and press down
System blast.
Use above-mentioned preferred scheme, enabling pressure and the oxygen content etc. reclaiming oil gas are joined
Number is monitored in real time, and parameter signal is fed back in time electrical control cubicles 2, it is possible in superpressure
Or oxygen content interrupts the recovery of oil gas in time when exceeding standard, treat that parametric regression is normal, then restart
Device carries out petroleum vapor recovery, it is ensured that oil carrier and safety on the bank, no matter oil carrier or occur on the bank
Explosion phenomenon, also will not mutually spread, and improves the safety coefficient of petroleum vapor recovery, it is ensured that people
Member and the safety of device.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or use this utility model.To the multiple amendment of these embodiments professional technique people to this area
Will be apparent from for Yuan, generic principles defined herein can be without departing from this reality
In the case of novel spirit or scope, realize in other embodiments.Therefore, this practicality
The novel the embodiments shown herein that is not intended to be limited to, and it is to fit to public with institute herein
The principle opened and the consistent the widest scope of features of novelty.
Claims (9)
1. for the safety device of harbour petroleum vapor recovery, it is characterised in that described safety device includes recovery channel, the electrical control cubicles being arranged on described recovery channel and following mechanism:
Oxygen content mechanism for monitoring: include the first oxygen content testing instrument, the second oxygen content testing instrument and inerting system, described first oxygen content testing instrument and described second oxygen content testing instrument are arranged at entrance point and the port of export of described recovery channel, and described inerting system is arranged between described entrance point and described first oxygen content testing instrument；Described inerting system includes the pipeline for carrying inerting gas and the some valves being arranged on described pipeline；
Pressure monitoring mechanism: be arranged at the outlet side of described first oxygen content testing instrument, including the first pressure transmitter being sequentially connected in series, Pressure gauge, the second pressure transmitter, pressure/vacuum and and the explosion-proof solenoid valve that is in parallel of described pressure/vacuum；
Anti-explosion mechanism: be arranged at the outlet side of described pressure monitoring mechanism, including the first rupture disk, anti-detonation type flame-retardant device, the second rupture disk and the first differential pressure transmitter；Described first rupture disk and the second rupture disk are respectively arranged at the two ends of described anti-detonation type flame-retardant device, and described first differential pressure transmitter is in parallel with described anti-detonation type flame-retardant device；
Described electrical control cubicles controls to connect each mechanism above-mentioned.
Safety device for harbour petroleum vapor recovery the most according to claim 1, it is characterized in that, gas-liquid separation mechanism it is provided with between described pressure monitoring mechanism and described anti-explosion mechanism, described gas-liquid separation mechanism includes that gas-liquid separator and the second differential pressure transmitter, described gas-liquid separator and described second differential pressure transmitter are in parallel.
Safety device for harbour petroleum vapor recovery the most according to claim 2, it is characterised in that described safety device also includes that check-valves, described check-valves are arranged between described entrance point and described inerting system.
Safety device for harbour petroleum vapor recovery the most according to claim 3, it is characterised in that described safety device also includes the VOC detector for measuring fuel gas or harmful gas concentration.
Safety device for harbour petroleum vapor recovery the most according to claim 4, it is characterised in that be provided with anti-explosion electric ball valve between described pressure/vacuum and described gas-liquid separator.
Safety device for harbour petroleum vapor recovery the most according to claim 5, it is characterized in that, described safety device also includes temperature monitoring mechanism, described temperature monitoring mechanism includes the first temperature transmitter and the second temperature transmitter, described first temperature transmitter is arranged between described first rupture disk and described anti-detonation type flame-retardant device, and described second temperature transmitter is arranged between described anti-detonation type flame-retardant device and described second rupture disk.
7. according to the safety device for harbour petroleum vapor recovery described in any one of claim 1-6, it is characterised in that described valve includes regulation valve, air relief valve and the stop valve being sequentially connected in series.
8. according to the safety device for harbour petroleum vapor recovery described in any one of claim 3-6, it is characterised in that described safety device also includes that flow monitoring mechanism, described flow monitoring mechanism include effusion meter.
Safety device for harbour petroleum vapor recovery the most according to claim 8, it is characterised in that between described entrance point and described check-valves, be provided with insulating flange between described effusion meter and the described port of export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270029.6U CN205575621U (en) | 2016-04-01 | 2016-04-01 | A safety device for pier vapor recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620270029.6U CN205575621U (en) | 2016-04-01 | 2016-04-01 | A safety device for pier vapor recovery system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692541A (en) * | 2016-04-01 | 2016-06-22 | 连云港远洋流体装卸设备有限公司 | Wharf oil and gas recycling security device and method |
| CN107270129A (en) * | 2017-07-28 | 2017-10-20 | 连云港港口国际石化港务有限公司 | A kind of portable ship-to-shore security interface device |
| CN110360446A (en) * | 2019-06-13 | 2019-10-22 | 广州世品环保科技股份有限公司 | The old tank gas compartment closed loop inerting automated programming system of petrol station and its method |
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2016
- 2016-04-01 CN CN201620270029.6U patent/CN205575621U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692541A (en) * | 2016-04-01 | 2016-06-22 | 连云港远洋流体装卸设备有限公司 | Wharf oil and gas recycling security device and method |
| CN107270129A (en) * | 2017-07-28 | 2017-10-20 | 连云港港口国际石化港务有限公司 | A kind of portable ship-to-shore security interface device |
| CN110360446A (en) * | 2019-06-13 | 2019-10-22 | 广州世品环保科技股份有限公司 | The old tank gas compartment closed loop inerting automated programming system of petrol station and its method |
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