CN106742890B - A kind of safety monitoring system and its control method of device for recovering oil and gas - Google Patents
A kind of safety monitoring system and its control method of device for recovering oil and gas Download PDFInfo
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- CN106742890B CN106742890B CN201710015892.6A CN201710015892A CN106742890B CN 106742890 B CN106742890 B CN 106742890B CN 201710015892 A CN201710015892 A CN 201710015892A CN 106742890 B CN106742890 B CN 106742890B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/30—Recovery of escaped vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0423—Beds in columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
- B67D7/0476—Vapour recovery systems
- B67D7/0478—Vapour recovery systems constructional features or components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/402—Further details for adsorption processes and devices using two beds
Abstract
The present invention relates to a kind of safety monitoring systems of device for recovering oil and gas.The safety monitoring system of device for recovering oil and gas, including controller, monitoring device, fire-fighting pipeline, emergency deflation pipeline and the air accumulator for being stored with inert gas, the first valve is provided in fire-fighting pipeline, the second valve is provided in emergency deflation pipeline, controller respectively with monitoring device, first valve and the connection of the second valve, monitoring device includes pressure monitoring component, one or more components in level monitoring component and temperature monitoring elements, status signals in the first adsorption tower and the second adsorption tower of monitoring can be fed back to controller by monitoring device, controller controls the break-make of the first valve and the second valve and then ensures the trouble free service of device for recovering oil and gas.The present invention effectively prevent in adsorption tower explosion caused by sorbent combustion, improves the safety in utilization of device for recovering oil and gas.The normal use of adsorption tower has been ensured simultaneously.
Description
Technical field
The invention belongs to security monitoring fields, and in particular to a kind of safety monitoring system of device for recovering oil and gas and its control
Method.
Background technology
Currently, in oil storage and transportation, handling operation, need to recycle the oil gas of volatilization, recycling oil storage and transportation, handling
The oil gas to volatilize in operation can not only be effectively prevent because of the excessively high generation fire of gas concentration or explosion, and can make the oil of volatilization
Gas is turned waste into wealth, is recycled.
Petroleum vapor recovery technique has absorption method, absorption process, condensation method etc..Wherein, absorption method is because that can reach higher processing
Efficiency, using more in large and medium-sized oil depot.Vapor Recovery Equipment with Adsorption is a kind of to utilize adsorbent absorption oil gas and air
Oil gas in gaseous mixture realizes the separation of oil gas and air.It mainly runs in oil storage and transportation, handling operation, by volatilization
Oil gas collection gets up.It includes mainly a set of dynamic power machine for extracting vaporizing oil-gas（Compressor, vacuum pump etc.）, at least two dresses
It is filled with the adsorption tower of adsorbent, the automatic switchover valve and measuring instrument and attachment of a set of program control.It is returned in absorption method oil gas
In receiving apparatus actual motion, due to the temperature of vaporizing oil-gas, the difference of pressure and site operation personnel's technical quality, cause to inhale
The case where attached method device for recovering oil and gas is run under high temperature, high pressure operating mode happens occasionally, when in adsorption tower tower hydrocarbon content it is larger,
Temperature is excessively high in the tower being easy to cause when tower pressure interior force is excessively high, sorbent combustion sets off an explosion in tower, so as to cause absorption method oil
There is the safety accident caught fire or even exploded in gas recovering device.
Invention content
The technical problem to be solved in the present invention is to provide one kind, and device for recovering oil and gas can be effectively prevent because in adsorption tower tower
The case where temperature is excessively high in tower caused by hydrocarbon content is larger, tower pressure interior force is excessively high, sorbent combustion sets off an explosion in tower
Retracting device safety monitoring system.
In order to solve the above-mentioned technical problem, a kind of technical solution that the present invention uses is：A kind of peace of device for recovering oil and gas
Full monitoring system is arranged in device for recovering oil and gas, and the device for recovering oil and gas includes capableing of the first of alternating sorbent oil gas to inhale
Attached tower and the second adsorption tower, be connected to the first exhaust pipeline of the first adsorption tower inlet communication, with the first adsorption column outlet
One scavenging pipeline, second be connected to the second exhaust pipeline of the second adsorption tower inlet communication and with the second adsorption column outlet purge
Pipeline,
The safety monitoring system includes that can control the controller of each pipeline break-make in device for recovering oil and gas, setting the
The monitoring device of situation, fire extinguishing tube in the first adsorption tower and the second adsorption tower can be monitored on one adsorption tower and the second adsorption tower
Road, emergency deflation pipeline and the air accumulator for being stored with inert gas, fire-fighting pipeline one end are connected with air accumulator, the other end
It is respectively connected in the first scavenging pipeline and the second scavenging pipeline, emergency deflation pipeline one end is respectively connected to first exhaust pipeline
With second exhaust pipeline, the other end is connected to outside, and the first valve for capableing of break-make is provided in the fire-fighting pipeline, described tight
Be provided with the second valve for capableing of break-make in anxious blowdown piping, the controller respectively with monitoring device, the first valve and second
Valve connects, and the monitoring device includes pressure monitoring component, level monitoring component and one kind or more in temperature monitoring elements
Kind component, the pressure monitoring component are used to monitor the air pressure in the first adsorption tower and the second adsorption tower, the level monitoring group
Part is used to monitor the liquid level of the first adsorption tower and the fluid of the accumulation in the second adsorption tower, and the temperature monitoring elements are for monitoring
Temperature in first adsorption tower and the second adsorption tower, the monitoring device can will be in the first adsorption towers and the second adsorption tower of monitoring
Status signals feed back to controller, and the controller can refer to according to the signal data of the feedback of monitoring device and the safety of setting
It marks parameter comparison and controls the break-make of the first valve and the second valve and then ensure the trouble free service of device for recovering oil and gas.
Specifically, the pressure monitoring component includes the first pressure sensor being arranged in the first adsorption tower and setting the
Second pressure sensor in two adsorption towers, the first pressure sensor can detect the air pressure in the first adsorption tower, described
Second pressure sensor can detect the air pressure in the second adsorption tower, and safe pressure index parameter is set in the controller,
When the atmospheric pressure value of one or two of first pressure sensor and second pressure sensor detection is joined more than safe pressure index
Number, the controller judge corresponding adsorption tower Indexes Abnormality, the controller control the second valve opening make the first adsorption tower and
The adsorption tower and turned on outside of Indexes Abnormality, oil gas are exported in second adsorption tower, and the controller controls the first valve and opens,
So that the inert gas in air accumulator is imported in the first adsorption tower and the second adsorption tower will be in adsorption tower in the adsorption tower of Indexes Abnormality
Absorption bed body and air exclusion.
Specifically, the level monitoring component includes that the first liquid level sensor of lower part and setting in the first adsorption tower is arranged
The second liquid level sensor of lower part in the second adsorption tower, first liquid level sensor, which can detect, takes the first adsorption tower inner product
The liquid level of poly- fluid, second liquid level sensor can detect the liquid level of the fluid gathered in the second adsorption tower, the control
Safety levels index parameter is set in device processed, when one or two of the first liquid level sensor and the second liquid level sensor are examined
The level value of survey is more than safety levels index parameter, and the controller judges corresponding adsorption tower Indexes Abnormality, the controller control
It makes the second valve and opens the adsorption tower and turned on outside for making Indexes Abnormality in the first adsorption tower and the second adsorption tower, oil gas is led
Go out, the controller controls the first valve and opens, and the inert gas in air accumulator is made to import the first adsorption tower and the second adsorption tower
By the absorption bed body and air exclusion in adsorption tower in the adsorption tower of middle Indexes Abnormality.
Specifically, the temperature monitoring elements include the first temperature sensor being arranged in the first adsorption tower and setting the
Second temperature sensor in two adsorption towers, first temperature sensor can detect the temperature taken in the first adsorption tower, institute
Temperature in the second adsorption tower can be detected by stating second temperature sensor, and safe temperature index ginseng is set in the controller
Number, when the temperature value of one or two of the first temperature sensor and second temperature sensor detection is more than safe temperature index
Parameter, the controller judge corresponding adsorption tower Indexes Abnormality, and the controller, which controls the second valve opening, makes the first adsorption tower
With the adsorption tower and turned on outside of Indexes Abnormality in the second adsorption tower, oil gas is exported, and the controller controls the first valve and beats
It opens, inert gas in air accumulator is made to import adsorption tower in the first adsorption tower and the second adsorption tower in the adsorption tower of Indexes Abnormality
In absorption bed body and air exclusion.
Further, first temperature sensor tool there are three and set up separately the top in the first adsorption tower, middle part and
Lower part, three the first temperature sensors can detect the temperature of the upper, middle and lower of absorption bed body in the first adsorption tower respectively
Degree；There are three the second temperature sensor tools and sets up the upper, middle and lower in the second adsorption tower separately, three second temperature
Degree sensor can detect the temperature of the upper, middle and lower of absorption bed body in the second adsorption tower respectively.
Preferably, the inert gas stored in the air accumulator is nitrogen.
Preferably, first valve and the second valve are motor-operated control valve.
Further, the device for recovering oil and gas further include with the first air inlet pipeline of the first adsorption tower inlet communication, with
First outlet pipe of the first adsorption column outlet connection is inhaled with the second air inlet pipeline of the second adsorption tower inlet communication, with second
The second outlet pipe, the first air delivering pipeline, the second air delivering pipeline and the recovery pipe of attached tower outlet, first air inlet pipe
Road and the second air inlet pipeline are connect with the first air delivering pipeline respectively, and first scavenging pipeline and the second scavenging pipeline are respectively with
Two air delivering pipelines connect, first outlet pipe and the second outlet pipe respectively with atmosphere, the recovery pipe difference
It is connect with first exhaust pipeline and second exhaust pipeline,
Compressor is provided on first air delivering pipeline, oil gas can be imported the first air delivering pipeline by the compressor
In, second air delivering pipeline connect with air-source and is provided with the 9th motor-operated control valve, the recycling on the second air delivering pipeline
End is provided with vacuum pump on pipeline, and the vacuum pump can extract the fluid recycled in the adsorption tower of the first adsorption tower/second out
And the adsorption tower parsing of the first adsorption tower/second is made to restore,
First air inlet pipeline, the second air inlet pipeline, first exhaust pipeline, second exhaust pipeline, the first outlet pipe,
Second outlet pipe, the first scavenging pipeline are disposed with the first motor-operated control valve to the 8th electronic control on the second scavenging pipeline
Valve processed,
The controller is connect with the first motor-operated control valve to the 9th motor-operated control valve, compressor and vacuum pump respectively.
A kind of control method of the safety monitoring system of device for recovering oil and gas, for the safety of above-mentioned device for recovering oil and gas
Monitoring system carries out operation and control, and the control method includes the following steps：
1）Start monitoring device, the situation in the first adsorption tower of monitoring device pair and the second adsorption tower is monitored in real time simultaneously
Feedback monitoring data are to controller；
2）Monitoring data control compressor, vacuum pump, the first valve, the second valve that controller is fed back according to monitoring device
And first motor-operated control valve to the 9th motor-operated control valve operation,
2A）When monitoring data indicate status index exception in the first adsorption tower tower：
2A-1）Controller controls compressor and vacuum pump is shut down, and the first valve and the second valve are opened, the 9th Electronic control
Valve is closed, and third motor-operated control valve is opened, the first motor-operated control valve, the second motor-operated control valve and the 4th motor-operated control valve to the
Eight motor-operated control valves are turned off, and the oil gas in the first adsorption tower is discharged from urgent blowdown piping, air pressure decline in the first adsorption tower；
2A-2）When atmospheric pressure is down in air pressure in the first adsorption tower, controller controls the second valve and closes, and the 7th is electronic
Control valve is opened, and the inert gas in air accumulator is filled in the first adsorption tower is discharged the first adsorption tower by air, and then first inhales
Space and air exclusion in the tower of attached tower；
2B）When monitoring data indicate status index exception in the second adsorption tower tower：
2B-1）Controller controls compressor and vacuum pump is shut down, and the first valve and the second valve are opened, the 9th Electronic control
Valve is closed, and the 4th motor-operated control valve is opened, and the first motor-operated control valve to third motor-operated control valve and the 5th motor-operated control valve are extremely
8th motor-operated control valve is turned off, and the oil gas in the second adsorption tower is discharged from urgent blowdown piping, in the second adsorption tower under air pressure
Drop；
2B-2）When atmospheric pressure is down in air pressure in the second adsorption tower, controller controls the second valve and closes, and the 8th is electronic
Control valve is opened, and the inert gas in air accumulator is filled in the second adsorption tower is discharged the second adsorption tower by air, and then second inhales
Space and air exclusion in the tower of attached tower.
It is referred to above to the inferior noun of locality upper all around, be the safety monitoring system in the device for recovering oil and gas
Normal use when orientation make to define.
The scope of the present invention, however it is not limited to technical solution made of the specific combination of above-mentioned technical characteristic, while should also contain
Lid carries out the arbitrary other technical solutions for combining and being formed by above-mentioned technical characteristic or its equivalent feature.Such as features described above with this
Disclosed in application（But it is not limited to）Technical characteristic with similar functions is replaced mutually and the technical solution etc. that is formed.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：Using monitoring device pair
Situation in the adsorption tower of first adsorption tower/second is monitored in real time, in the first adsorption tower/second adsorption tower situation exception,
The oil gas in the adsorption tower of the first adsorption tower/second is released away by emergency deflation pipeline, makes the absorption of the first adsorption tower/second
Air pressure in tower declines, and the inert gas in air accumulator is imported energy in the adsorption tower of the first adsorption tower/second by fire-fighting pipeline
Air in enough adsorption towers by the first adsorption tower/second is discharged, and makes the adsorbent bed in tower and air insulated, and then can reduce
Air pressure and temperature in tower effectively prevent leading because hydrocarbon content is larger, tower pressure interior force is excessively high in the adsorption tower of the first adsorption tower/second
Explosion caused by sorbent combustion, improves the safety in utilization of device for recovering oil and gas in the tower of cause.The present invention can prevent simultaneously
Only adsorption tower tower inner fluid accumulation excessively makes adsorbent fail, and has ensured the normal use of adsorption tower.
Description of the drawings
Fig. 1 is the schematic diagram of the safety monitoring system of device for recovering oil and gas of the present invention；
Fig. 2 is the work flow diagram of the safety monitoring system of device for recovering oil and gas of the present invention；
Wherein：1, fire-fighting pipeline；2, emergency deflation pipeline；3, controller；4, air accumulator；5, compressor；6, vacuum pump；7、
First air delivering pipeline；8, the second air delivering pipeline；9, recovery pipe；10, the first air inlet pipeline；11, the first valve；20, second into
Air pipe；21, the second valve；30, first exhaust pipeline；40, second exhaust pipeline；50, the first outlet pipe；60, second goes out
Air pipe；70, the first scavenging pipeline；80, the second scavenging pipeline；100, the first adsorption tower；101, the first motor-operated control valve；102、
Second motor-operated control valve；103, third motor-operated control valve；104, the 4th motor-operated control valve；105, the 5th motor-operated control valve；106、
6th motor-operated control valve；107, the 7th motor-operated control valve；108, the 8th motor-operated control valve；109, the 9th motor-operated control valve；200、
Second adsorption tower；
BP1, first pressure sensor；BP2, second pressure sensor；BL1, the first liquid level sensor；BL2, the second liquid level
Sensor；BT1, the first temperature sensor；BT2, second temperature sensor.
Specific implementation mode
As depicted in figs. 1 and 2, the safety monitoring system of a kind of device for recovering oil and gas of the present invention is arranged in oil gas
In retracting device.The device for recovering oil and gas includes the first adsorption tower 100 and the second adsorption tower for capableing of alternating sorbent oil gas
200, it is inhaled respectively with the first air inlet pipeline 10 and first exhaust pipeline 30 of 100 inlet communication of the first adsorption tower, respectively with first
The first outlet pipe 50 and the first scavenging pipeline 70 of 100 outlet of attached tower, respectively with 200 inlet communication of the second adsorption tower
Second air inlet pipeline 20 and second exhaust pipeline 40, respectively with the second outlet pipe 60 of 200 outlet of the second adsorption tower and
Second scavenging pipeline 80, the first air delivering pipeline 7, the second air delivering pipeline 8 and recovery pipe 9.
First air inlet pipeline, 10 and second air inlet pipeline 20 is connect with the first air delivering pipeline 7 respectively.Described first blows
It sweeps pipeline 70 and the second scavenging pipeline 80 is connect with the second air delivering pipeline 8 respectively., first outlet pipe, 50 and second outlet
Pipeline 60 respectively with atmosphere.The recovery pipe 9 is connect with first exhaust pipeline 30 and second exhaust pipeline 40 respectively.
Compressor 5 is provided on first air delivering pipeline 7, oil gas can be imported the first appendix by the compressor 5
In road 7.Second air delivering pipeline 8 connect with air-source and is provided with the 9th motor-operated control valve 109 on the second air delivering pipeline 8.
End is provided with vacuum pump 6 in the recovery pipe 9, and the vacuum pump 6 can be by 100/ second adsorption tower 200 of the first adsorption tower
The fluid of interior recycling is extracted out and the parsing of 100/ second adsorption tower 200 of the first adsorption tower is made to restore.
First air inlet pipeline 10, the second air inlet pipeline 20, first exhaust pipeline 30, second exhaust pipeline 40, first
Outlet pipe 50, the first scavenging pipeline 70, is disposed with the first electronic control on the second scavenging pipeline 80 at second outlet pipe 60
101 to the 8th motor-operated control valve 108 of valve processed.
The safety monitoring system include can control the controller 3 of each pipeline break-make in device for recovering oil and gas, setting exist
The prison of situation in the first adsorption tower 100 and the second adsorption tower 200 can be monitored on first adsorption tower 100 and the second adsorption tower 200
Survey device, fire-fighting pipeline 1, emergency deflation pipeline 2 and the air accumulator 4 for being stored with inert gas.In the present embodiment, the gas storage
The inert gas stored in tank 4 is nitrogen.
1 one end of the fire-fighting pipeline is connected with air accumulator 4, and the other end is respectively connected to the first scavenging pipeline 70 and second purging
In pipeline 80.Described 2 one end of emergency deflation pipeline is respectively connected to first exhaust pipeline 30 and second exhaust pipeline 40, the other end with
Outside connection.The first valve 11 for capableing of break-make is provided in the fire-fighting pipeline 1.It is provided in the emergency deflation pipeline 2
It is capable of the second valve 21 of break-make.First valve, 11 and second valve 21 is motor-operated control valve.
The monitoring device includes one or more in pressure monitoring component, level monitoring component and temperature monitoring elements
Component.The pressure monitoring component is used to monitor the air pressure in the first adsorption tower 100 and the second adsorption tower 200, the liquid level prison
Survey the liquid level that component is used to monitor the first adsorption tower 100 and the fluid of the accumulation in the second adsorption tower 200.The temperature monitoring group
Part is for monitoring temperature in the first adsorption tower 100 and the second adsorption tower 200.In the present embodiment, the monitoring device includes pressure
Three kinds of monitoring assembly, level monitoring component and temperature monitoring elements components.
The pressure monitoring component includes the first pressure sensor BP1 being arranged in the first adsorption tower 100 and setting the
Second pressure sensor BP2 in two adsorption towers 200.The first pressure sensor BP1 can be detected in the first adsorption tower 100
Air pressure, the second pressure sensor BP2 can detect the air pressure in the second adsorption tower 200, be set in the controller 3
Safe pressure index parameter, when the atmospheric pressure value of any of first pressure sensor BP1 and second pressure sensor BP2 detection
More than safe pressure index parameter, show that the air pressure in corresponding adsorption tower is excessively high, the controller 3 judges corresponding adsorption tower index
It is abnormal.
The level monitoring component includes that the first liquid level sensor BL1 of lower part and setting in the first adsorption tower 100 is arranged
The second liquid level sensor BL2 of lower part in the second adsorption tower 200.The first liquid level sensor BL1, which can be detected, takes first
The liquid level of the fluid gathered in adsorption tower 100, the second liquid level sensor BL2 can detect accumulation in the second adsorption tower 200
Fluid liquid level, safety levels index parameter is set in the controller 3, when the first liquid level sensor BL1 and the second liquid
The level value of any of level sensor BL2 detections is more than safety levels index parameter, shows the fluid product in corresponding adsorption tower
Poly- excessive, adsorbent adsorption effect is poor, and the controller 3 judges corresponding adsorption tower Indexes Abnormality.
The temperature monitoring elements include the first temperature sensor BT1 being arranged in the first adsorption tower 100 and setting the
Second temperature sensor BT2 in two adsorption towers 200.There are three the first temperature sensor BT1 tools and sets up separately in the first suction
Upper, middle and lower in attached tower 100.Three the first temperature sensor BT1 can detect 100 interior suction of the first adsorption tower respectively
The temperature of the upper, middle and lower of attached bed body.The second temperature sensor BT2 also has there are three and sets up separately in the second absorption
Upper, middle and lower in tower 200.Three second temperature sensor BT2 can detect absorption in the second adsorption tower 200 respectively
The temperature of the upper, middle and lower of bed body.Safe temperature index parameter is set in the controller 3, when the first temperature passes
The temperature value of any of sensor BT1 and second temperature sensor BT2 detection is more than safe temperature index parameter, shows corresponding suction
Temperature in attached tower is excessively high, and the controller 3 judges corresponding adsorption tower Indexes Abnormality.
The controller 3 respectively with 101 to the 9th motor-operated control valve 109 of the first motor-operated control valve, compressor 5, vacuum pump
6, it is connect with monitoring device, the first valve 11 and the second valve 21.The monitoring device can be by the first adsorption tower 100 of monitoring
Controller 3 is fed back to status signals in the second adsorption tower 200, the controller 3 can be according to the letter of the feedback of monitoring device
Number and the safety index parameter comparison of setting simultaneously control the break-make of the first valve 11 and the second valve 21 and then ensure oil gas
The trouble free service of retracting device.When an adsorption tower status index exception, institute in the first adsorption tower 100 and the second adsorption tower 200
State controller 3 control the second valve 21 opening make in the first adsorption tower 100 and the second adsorption tower 200 adsorption tower of Indexes Abnormality with
Turned on outside, oil gas are exported, and the controller 3 controls the first valve 11 and opens, and inert gas in air accumulator 4 is made to import the
By the absorption bed body and air exclusion in adsorption tower in the adsorption tower of Indexes Abnormality in one adsorption tower 100 and the second adsorption tower 200.
It is specifically described and device for recovering oil and gas is grasped below using the safety monitoring system of above-mentioned device for recovering oil and gas
Make the control method controlled.The control method includes the following steps：
1）Start monitoring device, the situation in monitoring device pair the first adsorption tower 100 and the second adsorption tower 200 carries out real-time
It monitors and feedback monitoring data is to controller 3.Distinguished by pressure monitoring component, level monitoring component and temperature monitoring elements
Monitor the first adsorption tower 100 and three kinds of air pressure in the second adsorption tower 200, fluid position and temperature indexs.Any of which refers to
Mark exceeded, the situation in corresponding adsorption tower is just abnormal；
2）Monitoring data control compressor 5 that controller 3 is fed back according to monitoring device, vacuum pump 6, the first valve 11, the
The operation of 101 to the 9th motor-operated control valve 109 of two valves 21 and the first motor-operated control valve,
2A）When monitoring data indicate status index exception in 100 tower of the first adsorption tower：
2A-1）Controller 3 controls compressor 5 and vacuum pump 6 is shut down, and the first valve 11 and the second valve 21 are opened, and the 9th
Motor-operated control valve 109 close, third motor-operated control valve 103 open, the first motor-operated control valve 101, the second motor-operated control valve 102 with
And 104 to the 8th motor-operated control valve 108 of the 4th motor-operated control valve is turned off, the oil gas in the first adsorption tower 100 is from emergency deflation
Pipeline 2 is discharged, air pressure decline in the first adsorption tower 100；
2A-2）When atmospheric pressure is down in air pressure in the first adsorption tower 100, controller 3 controls the second valve 21 and closes, the
Seven motor-operated control valves 107 are opened, and the inert gas in air accumulator 4 is filled with the first absorption of air discharge in the first adsorption tower 100
Tower 100, and then space and air exclusion in the tower of the first adsorption tower 100.
2B）When monitoring data indicate status index exception in 200 tower of the second adsorption tower：
2B-1）Controller 3 controls compressor 5 and vacuum pump 6 is shut down, and the first valve 11 and the second valve 21 are opened, and the 9th
Motor-operated control valve 109 is closed, and the 4th motor-operated control valve 104 is opened, the first motor-operated control valve 101 to third motor-operated control valve 103
And 105 to the 8th motor-operated control valve 108 of the 5th motor-operated control valve is turned off, the oil gas in the second adsorption tower 200 is from promptly putting
Air pipe 2 is discharged, air pressure decline in the second adsorption tower 200；
2B-2）When atmospheric pressure is down in air pressure in the second adsorption tower 200, controller 3 controls the second valve 21 and closes, the
Eight motor-operated control valves 108 are opened, and the inert gas in air accumulator 4 is filled with the second absorption of air discharge in the second adsorption tower 200
Tower 200, and then space and air exclusion in the tower of the second adsorption tower 200.
As it can be seen that the present invention is carried out in real time using the situation in 100/ second adsorption tower 200 of the first adsorption tower of monitoring device pair
Monitoring, in the first adsorption tower 100/ second adsorption tower, 200 situation exception, by emergency deflation pipeline 2 by the first adsorption tower
Oil gas in 100/ second adsorption tower 200 is released away, and the air pressure in 100/ second adsorption tower 200 of the first adsorption tower is made to decline
Being imported the inert gas in air accumulator 4 by fire-fighting pipeline 2 can be by first in first adsorption tower, 100/ second adsorption tower 200
Air discharge in 100/ second adsorption tower 200 of adsorption tower, and make the adsorbent bed in tower and air insulated, and then tower can be reduced
Interior air pressure and temperature, effectively prevent that 200 internal cause hydrocarbon content of the first 100/ second adsorption tower of adsorption tower is larger, tower pressure interior force is excessively high
Caused by explosion caused by sorbent combustion in tower, improve the safety in utilization of device for recovering oil and gas.Energy of the present invention simultaneously
It enough prevents the accumulation of adsorption tower tower inner fluid from excessively adsorbent being made to fail, has ensured the normal use of adsorption tower.
As described above, we are illustrated fully according to spirit of the invention, but the present invention is not limited to above-mentioned reality
Apply example and implementation.The practitioner of correlative technology field can carry out different in the range of the license of the technological thought of the present invention
Variation and implementation.
Claims (9)
1. a kind of safety monitoring system of device for recovering oil and gas is arranged in device for recovering oil and gas, the device for recovering oil and gas packet
Include the first adsorption tower for capableing of alternating sorbent oil gas（100）With the second adsorption tower（200）And the first adsorption tower（100）Import connects
Logical first exhaust pipeline（30）And the first adsorption tower（100）First scavenging pipeline of outlet（70）And the second adsorption tower
（200）The second exhaust pipeline of inlet communication（40）With with the second adsorption tower（200）Second scavenging pipeline of outlet（80）,
It is characterized in that：The safety monitoring system includes the controller that can control each pipeline break-make in device for recovering oil and gas
（3）, be arranged in the first adsorption tower（100）With the second adsorption tower（200）On can monitor the first adsorption tower（100）With the second absorption
Tower（200）The monitoring device of interior situation, fire-fighting pipeline（1）, emergency deflation pipeline（2）And it is stored with the air accumulator of inert gas
（4）, the fire-fighting pipeline（1）One end and air accumulator（4）It is connected, the other end is respectively connected to the first scavenging pipeline（70）It is blown with second
Sweep pipeline（80）In, the emergency deflation pipeline（2）One end is respectively connected to first exhaust pipeline（30）With second exhaust pipeline
（40）, the other end with outside be connected to, the fire-fighting pipeline（1）In be provided with the first valve for capableing of break-make（11）, described urgent
Blowdown piping（2）In be provided with the second valve for capableing of break-make（21）, the controller（3）Respectively with monitoring device, the first valve
Door（11）With the second valve（21）Connection, the monitoring device includes pressure monitoring component, level monitoring component and temperature monitoring
One or more components in component, the pressure monitoring component is for monitoring the first adsorption tower（100）With the second adsorption tower
（200）Interior air pressure, the level monitoring component is for monitoring the first adsorption tower（100）With the second adsorption tower（200）Interior product
The liquid level of poly- fluid, the temperature monitoring elements are for monitoring the first adsorption tower（100）With the second adsorption tower（200）Interior temperature
Degree, the monitoring device can be by the first adsorption tower of monitoring（100）With the second adsorption tower（200）Interior status signals feed back to control
Device processed（3）, the controller（3）It can be according to the signal data of the feedback of monitoring device and the safety index parameter comparison of setting
And control the first valve（11）With the second valve（21）Break-make so that ensure device for recovering oil and gas trouble free service.
2. a kind of safety monitoring system of device for recovering oil and gas according to claim 1, it is characterised in that：The pressure prison
It includes the first adsorption tower of setting to survey component（100）Interior first pressure sensor（BP1）With setting in the second adsorption tower（200）It is interior
Second pressure sensor（BP2）, the first pressure sensor（BP1）The first adsorption tower can be detected（100）Interior air pressure,
The second pressure sensor（BP2）The second adsorption tower can be detected（200）Interior air pressure, the controller（3）Inside it is set with
Safe pressure index parameter, works as first pressure sensor（BP1）With second pressure sensor（BP2）One or two of detection
Atmospheric pressure value be more than safe pressure index parameter, the controller（3）Judge corresponding adsorption tower Indexes Abnormality, the controller
（3）Control the second valve（21）Opening makes the first adsorption tower（100）With the second adsorption tower（200）The adsorption tower of middle Indexes Abnormality with
Turned on outside, oil gas are exported, the controller（3）Control the first valve（11）It opens, makes air accumulator（4）In inert gas
Import the first adsorption tower（100）With the second adsorption tower（200）By the absorption bed body in adsorption tower in the adsorption tower of middle Indexes Abnormality
With air exclusion.
3. a kind of safety monitoring system of device for recovering oil and gas according to claim 1, it is characterised in that：The liquid level prison
It includes the first adsorption tower of setting to survey component（100）First liquid level sensor of interior lower part（BL1）With setting in the second adsorption tower
（200）Second liquid level sensor of interior lower part（BL2）, first liquid level sensor（BL1）It can detect and take the first adsorption tower
（100）The liquid level of the fluid of interior accumulation, second liquid level sensor（BL2）The second adsorption tower can be detected（200）Interior accumulation
Fluid liquid level, the controller（3）It is inside set with safety levels index parameter, when the first liquid level sensor（BL1）With
Two liquid level sensors（BL2）One or two of detection level value be more than safety levels index parameter, the controller（3）
Judge corresponding adsorption tower Indexes Abnormality, the controller（3）Control the second valve（21）Opening makes the first adsorption tower（100）With
Two adsorption towers（200）The adsorption tower and turned on outside of middle Indexes Abnormality, oil gas are exported, the controller（3）Control the first valve
Door（11）It opens, makes air accumulator（4）In inert gas import the first adsorption tower（100）With the second adsorption tower（200）Middle index
By the absorption bed body and air exclusion in adsorption tower in abnormal adsorption tower.
4. a kind of safety monitoring system of device for recovering oil and gas according to claim 1, it is characterised in that：The temperature prison
It includes the first adsorption tower of setting to survey component（100）The first interior temperature sensor（BT1）With setting in the second adsorption tower（200）It is interior
Second temperature sensor（BT2）, first temperature sensor（BT1）The first adsorption tower can be detected（100）Interior temperature,
The second temperature sensor（BT2）The second adsorption tower can be detected（200）Interior temperature, the controller（3）Inside it is set with
Safe temperature index parameter, when the first temperature sensor（BT1）And second temperature sensor（BT2）One or two of detection
Temperature value be more than safe temperature index parameter, the controller（3）Judge corresponding adsorption tower Indexes Abnormality, the controller
（3）Control the second valve（21）Opening makes the first adsorption tower（100）With the second adsorption tower（200）The adsorption tower of middle Indexes Abnormality with
Turned on outside, oil gas are exported, the controller（3）Control the first valve（11）It opens, makes air accumulator（4）In inert gas
Import the first adsorption tower（100）With the second adsorption tower（200）By the absorption bed body in adsorption tower in the adsorption tower of middle Indexes Abnormality
With air exclusion.
5. a kind of safety monitoring system of device for recovering oil and gas according to claim 4, it is characterised in that：First temperature
Spend sensor（BT1）There are three tools and sets up separately in the first adsorption tower（100）Interior upper, middle and lower, three the first temperature
Sensor（BT1）The first adsorption tower can be detected respectively（100）The temperature of the upper, middle and lower of interior absorption bed body；It is described
Second temperature sensor（BT2）There are three tools and sets up separately in the second adsorption tower（200）Interior upper, middle and lower, three
Two temperature sensors（BT2）The second adsorption tower can be detected respectively（200）The temperature of the upper, middle and lower of interior absorption bed body
Degree.
6. a kind of safety monitoring system of device for recovering oil and gas according to claim 1, it is characterised in that：The air accumulator
（4）The inert gas of interior storage is nitrogen.
7. a kind of safety monitoring system of device for recovering oil and gas according to claim 1, it is characterised in that：First valve
Door（11）With the second valve（21）It is motor-operated control valve.
8. a kind of safety monitoring system of device for recovering oil and gas according to any one of claim 1 to 7, feature exist
In：The device for recovering oil and gas further includes and the first adsorption tower（100）First air inlet pipeline of inlet communication（10）And first inhales
Attached tower（100）First outlet pipe of outlet（50）And the second adsorption tower（200）Second air inlet pipeline of inlet communication
（20）And the second adsorption tower（200）Second outlet pipe of outlet（60）, the first air delivering pipeline（7）, the second air delivering pipeline
（8）And recovery pipe（9）, first air inlet pipeline（10）With the second air inlet pipeline（20）Respectively with the first air delivering pipeline（7）
Connection, first scavenging pipeline（70）With the second scavenging pipeline（80）Respectively with the second air delivering pipeline（8）Connection, described first
Outlet pipe（50）With the second outlet pipe（60）Respectively with atmosphere, the recovery pipe（9）Respectively with downtake pipe
Road（30）With second exhaust pipeline（40）Connection,
First air delivering pipeline（7）On be provided with compressor（5）, the compressor（5）Oil gas can be imported the first gas transmission
Pipeline（7）In, second air delivering pipeline（8）It is connect with air-source and the second air delivering pipeline（8）On be provided with the 9th electronic control
Valve processed（109）, the recovery pipe（9）Upper end is provided with vacuum pump（6）, the vacuum pump（6）It can be by the first adsorption tower
（100）/ the second adsorption tower（200）The fluid of interior recycling is extracted out and makes the first adsorption tower（100）/ the second adsorption tower（200）Parsing
Restore,
First air inlet pipeline（10）, the second air inlet pipeline（20）, first exhaust pipeline（30）, second exhaust pipeline（40）、
First outlet pipe（50）, the second outlet pipe（60）, the first scavenging pipeline（70）, the second scavenging pipeline（80）On set gradually
There is the first motor-operated control valve（101）To the 8th motor-operated control valve（108）,
The controller（3）Respectively with the first motor-operated control valve（101）To the 9th motor-operated control valve（109）, compressor（5）And
Vacuum pump（6）Connection.
9. a kind of control method of the safety monitoring system of device for recovering oil and gas, it is characterised in that：For according to any one of claims 8
A kind of safety monitoring system progress operation and control of device for recovering oil and gas, the control method include the following steps：
Start monitoring device, the first adsorption tower of monitoring device pair（100）With the second adsorption tower（200）Interior situation is supervised in real time
It controls and feedback monitoring data is to controller（3）；
Controller（3）Compressor is controlled according to the monitoring data of monitoring device feedback（5）, vacuum pump（6）, the first valve（11）、
Second valve（21）And first motor-operated control valve（101）To the 9th motor-operated control valve（109）Operation,
2A）When monitoring data indicate the first adsorption tower（100）In tower when status index exception：
2A-1）Controller（3）Control compressor（5）And vacuum pump（6）It shuts down, the first valve（11）With the second valve（21）It beats
It opens, the 9th motor-operated control valve（109）It closes, third motor-operated control valve（103）It opens, the first motor-operated control valve（101）, second electricity
Dynamic control valve（102）And the 4th motor-operated control valve（104）To the 8th motor-operated control valve（108）It is turned off, the first adsorption tower
（100）Interior oil gas is from urgent blowdown piping（2）Discharge, the first adsorption tower（100）Interior air pressure declines；
2A-2）When the first adsorption tower（100）When atmospheric pressure is down in interior air pressure, controller（3）Control the second valve（21）It closes,
7th motor-operated control valve（107）It opens, air accumulator（4）In inert gas be filled with the first adsorption tower（100）It is interior that air is discharged
First adsorption tower（100）, and then the first adsorption tower（100）Tower in space and air exclusion；
2B）When monitoring data indicate the second adsorption tower（200）In tower when status index exception：
2B-1）Controller（3）Control compressor（5）And vacuum pump（6）It shuts down, the first valve（11）With the second valve（21）It beats
It opens, the 9th motor-operated control valve（109）It closes, the 4th motor-operated control valve（104）It opens, the first motor-operated control valve（101）To third
Motor-operated control valve（103）And the 5th motor-operated control valve（105）To the 8th motor-operated control valve（108）It is turned off, the second adsorption tower
（200）Interior oil gas is from urgent blowdown piping（2）Discharge, the second adsorption tower（200）Interior air pressure declines；
2B-2）When the second adsorption tower（200）When atmospheric pressure is down in interior air pressure, controller（3）Control the second valve（21）It closes,
8th motor-operated control valve（108）It opens, air accumulator（4）In inert gas be filled with the second adsorption tower（200）It is interior that air is discharged
Second adsorption tower（200）, and then the second adsorption tower（200）Tower in space and air exclusion.
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