CN201458718U - Oil-gas emission treatment device - Google Patents
Oil-gas emission treatment device Download PDFInfo
- Publication number
- CN201458718U CN201458718U CN2009200905821U CN200920090582U CN201458718U CN 201458718 U CN201458718 U CN 201458718U CN 2009200905821 U CN2009200905821 U CN 2009200905821U CN 200920090582 U CN200920090582 U CN 200920090582U CN 201458718 U CN201458718 U CN 201458718U
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- oil
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- pipeline
- membrane module
- vacuum pump
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Abstract
The utility model relates to an oil-gas emission treatment device, which is characterized in that the device comprises a compressor (1), a refrigerator (2), an automatic drain valve (3), a membrane module (4), a vacuum pump (5) and a pressure transmitter, wherein an inlet of the compressor (1) is connected with an outlet of an oil tank through a pipeline, an outlet thereof is connected with an inlet of the refrigerator (2), an outlet of the refrigerator is connected with the automatic drain valve (3), and is connected with an inlet of the membrane module (4). The pressure side of the membrane module is connected with an outfall, the permeation side of the membrane module is connected with the vacuum pump (5), an outlet of the vacuum pump is connected with the oil tank through the pipeline, and an outlet of the automatic drain valve (3) is connected with the oil tank through the pipeline. The device not only can solve the problem of having no economic benefit of condensation and membrane separation combination method oil-gas emission treatment device in the prior art, also overcomes the problem of increasing oil-gas volatilization and causing oil-gas expansion because the return gas temperature is higher than the environment temperature, and leads the oil-gas emission treatment process to form complete virtuous circle.
Description
Technical field
The utility model relates to a kind of exhaust of oil processing equipment that is applicable to petrol service station and oil depot.
Background technology
Place such as petrol service station, oil depot is being refueled, in the emptying, charge of oil operating process, can produced a large amount of oil gas volatilizations, and oil gas volatilization has contaminated environment, infringement health, serious harm such as inflammable and explosive.Developed countries such as America and Europe work out corresponding laws and regulations the eighties in 20th century and carry out oil gas recovery improvement, China had also put into effect the respective country standard in succession before the 2008 Beijing Olympic Games, places such as beginning mandatory requirement petrol service station and oil depot are carried out oil gas and are reclaimed and administer, and during Beijing Olympic Games in Beijing and the surrounding area oil gas be installed reclaimed relevant device.In oil gas reclaimed relevant device, the exhaust of oil processing equipment was one of major equipment, and the oil gas that it is used for recovery is collected carries out liquefaction processing, made the air that is discharged in the atmosphere regulation that is up to state standards.
The principle of work of the exhaust of oil processing equipment of prior art mainly contains condensation method, membrane separation process, condensation and membrance separation combined method, CAM, solvent absorption.What the condensation link of device therefor adopted in described condensation and the membrance separation combined method is common heat exchangers, and condensation effect is bad, remove device electricity charge loss after, do not have economic benefit substantially; Condensed oil gas temperature is higher than ambient temperature, extracts through vacuum pump again, and the oil remaining temperature degree after the processing is higher than ambient temperature, and the oil gas higher when this part temperature reclaims oil tank, with the oil gas volatilization in the aggravation oil gas, causes oil gas expansion in the oil tank simultaneously.Such result is that recovery has produced secondary action to a certain degree to the oil gas treating process to oil gas.Particularly in summer, the liquid gasoline that the normal temperature condensation forms is easy to be caused the pressure of buried tank system to be not easy to reach state of equilibrium by pipeline heating evaporation once more in returning the process of buried tank.
Summary of the invention
The purpose of this utility model provides a kind of exhaust of oil processing equipment that compression+fefrigerator condensation+membrance separation is an one that collects at existing weak point in the above-mentioned prior art just.Device of the present utility model not only can solve in the prior art condensation and membrance separation combined method exhaust of oil processing equipment does not have economical efficiency, also overcome simultaneously owing to suction temperature is higher than the problem that ambient temperature is aggravated oil gas volatilization and caused oil gas to expand, made the exhaust of oil treating process form benign cycle completely.
The purpose of this utility model can realize by following technique measures:
Exhaust of oil processing equipment of the present utility model comprises compressor, fefrigerator, selfdraining valve, membrane module, vacuum pump and is arranged on pressure transformer on the connecting tube; Wherein, the import of described compressor links to each other with the outlet of oil tank by pipeline, and its outlet links to each other with the import of fefrigerator; The fefrigerator outlet connects selfdraining valve, and links to each other with the import of membrane module; Membrane module on the pressure side connects discharge side, and membrane module sees through the side joint vacuum pump, and vacuum pump outlet links to each other by pipeline and oil tank; The outlet of described selfdraining valve links to each other by pipeline and oil tank.
The gas of being discharged by vacuum pump outlet in the utility model inserts fefrigerator low temperature heat-exchange system by pipeline, and is linked into oil tank via fefrigerator cooling back by pipeline.This architectural feature can make the temperature of the oil gas that returns the buried tank system remain on about 20 ℃, and the pressure of buried tank system is easy to reach state of equilibrium.
The inlet side pipeline of the utility model compressor is provided with and is used for the pressure transformer that sensing air inlet oil gas is pressed, whether normal malleation pressure transformer of the exhaust gas pressure that is used for monitoring compressor and temperature is housed on the outlet side pipeline of compressor, first temperature transmitter, second temperature transmitter of the gas temperature after being used to monitor refrigeration is housed on the outlet side pipeline of fefrigerator, whether up to standard on the pressure side meet the discharge side place at membrane module is equipped with and is used to detect discharged air consistency transmitter and the ventilative cap of back-fire relief, the side that sees through at membrane module, be equipped with on the connecting pipe between vacuum pump inlet and be used to monitor whether normal negative pressure pressure transformer of degree of vacuum that film sees through side, on vacuum pump outlet side pipe road, be equipped with and be used to monitor whether normal the 3rd temperature transmitter of Outlet Gas Temperature.
Be provided with data trap in the device of the present utility model, and be provided with control box, control box is made up of controller and other electric component, generally is installed on the far-end control cabin.Collector is gathered the data of each sensor and transmitter, is sent to controller by communication line, can show pressure, temperature, the concentration data of each sensor and transmitter on the control box.The actuating pressure of device and shutdown pressure can be made amendment by control box.Frequency converter is installed in control box, comes the oil gas processing capacity of control apparatus by frequency conversion.Signalling methods between device and the control box adopts radio communication.SMS transmission module is installed in the control box, equipment operation information can be sent to computer management system.The design of data acquisition system adopted inbeing safe explosion prevention.
The utility model is by making " condensation of compression+normal temperature " used in the prior art into the technology of " condensation of compression+fefrigerator ", condensation process is carried out under the temperature about 0 ℃, the liquid gasoline evaporation once more in returning the process of buried tank that not only can avoid condensation to form, and can improve the effect of withdrawal liquid gasoline greatly, make the pressure of buried tank system be easy to reach state of equilibrium.
Principle of work of the present utility model is as follows:
The real-time sensing air inlet of pressure transformer oil-air pressure, when pressure surpasses setting value (this setting value can be revised according to actual conditions), equipment starts automatically, and compressor is compressed to oil gas between 0.2～0.4MPa.Concentrated gas after the compression enters fefrigerator, and fefrigerator is cooled to oil gas about 0 ℃, makes moisture content and most of oil gas be condensed into liquid; The liquid that condenses is discharged through selfdraining valve; Remaining gas enters membrane module on the pressure side, because membrane module is strong to the solvency of organic molecule, and the dissolving of oil gas molecule tunicle, and air discharges through discharge side.Dissolving is advanced the oil gas molecule of film seeing through under the effect of side vacuum pump, parses, and the cooled via return air mouth is to oil tank.
In equipment running process, when sensing intake pressure, pressure transformer is lower than setting value, then the equipment auto-stop.
Because the condensation link has adopted fefrigerator, condensed oil gas temperature is about 0 ℃, see through film after vacuum pump is taken out the oil gas temperature that adds far below ambient temperature, such oil gas has cooling effect to oil gas in the oil tank after getting back to oil tank, thereby has avoided the oil gas expansion, slowed down oil gas volatilization.
Pressure transformer real-time continuous in the utility model monitoring admission port pressure, but the setting value that starts and stop by the controller modifier are to adapt to situations such as different length induction tract, different oil tank evaporation rates.Such as, when the initial setting actuating pressure is 150Pa,,, equipressure just begins to handle if being increased to 150Pa when being installed on an oil tank that volume ratio is bigger, may need the long period.By revising the startup value is 100Pa, can the interior oil gas of advanced processing jar.
When in control box, installing frequency converter additional, can reduce frequency and can reduce motor speed, the control apparatus process load by frequency converter control system power electricity frequency.
In practice of construction, power line and communication line can not be laid in the same protective tube, therefore for the device of wire communication, need lay power cable and communication cable respectively.The built-in wireless communication module of the utility model need not to lay communication line, gets final product the data communication of implement device and controller.
The exhaust of oil processing equipment is distributed in each petrol service station, in service, the running condition that wants to understand every table apparatus is a hard work, for addressing this problem, the utility model is equipped with SMS transmission module in control box, to install operation information and be sent to computer management system every day, just can see the running condition of every table apparatus in administrative center.
Owing to be installed on explosive gas atmosphere, the utility model complete machine carries out explosion-proof design, and wherein part of data acquisition designs for inbeing safe explosion prevention.
The beneficial effects of the utility model are as follows:
Because the condensation link has adopted fefrigerator, condensed oil gas temperature is about 0 ℃, see through film after the oil gas temperature that vacuum pump is taken out far below ambient temperature, such oil gas has cooling effect to oil gas in the oil tank after getting back to oil tank, thereby has avoided the oil gas expansion, slowed down oil gas volatilization.
Application of the present utility model is in the optimum circulation exhaust of oil, causes the non-benign process of volatilizing and expanding while avoided existing same device to handle.
The startup that can be provided with makes the processing capacity of device adapt to the different demands of different user whenever and wherever possible with shutdown pressure, variable frequency adjustment technology.
Wireless communication technology has reduced site operation and materials, is easy to installation and maintenance.
Note sends the merit apparatus manager and easily grasps each operating performance of plant.
The integrated explosion proof system design makes explosion risk gas places such as device safe and applicable petrol service station and oil depot.
Description of drawings
Fig. 1 is a principle assumption diagram of the present utility model.
Fig. 2 is the principle assumption diagram of another kind of embodiment of the present utility model.This embodiment and embodiment difference shown in Figure 1 are that vacuum pump outlet inserts the low temperature heat-exchange system of fefrigerator by pipeline, and are linked into oil tank via fefrigerator cooling back by pipeline.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, exhaust of oil processing equipment of the present utility model comprises compressor 1, fefrigerator 2, selfdraining valve 3, membrane module 4, vacuum pump 5 and is arranged on pressure transformer on the connecting tube; Wherein, the import of described compressor 1 links to each other with the outlet of oil tank by pipeline, and its outlet links to each other with the import of fefrigerator 2; The fefrigerator outlet connects selfdraining valve 3, and links to each other with the import of membrane module 4; Membrane module on the pressure side connects discharge side, and membrane module sees through side joint vacuum pump 5, and vacuum pump outlet links to each other by pipeline and oil tank; The outlet of described selfdraining valve 3 links to each other by pipeline and oil tank; The inlet side pipeline of compressor is provided with and is used for the pressure transformer 6 that sensing air inlet oil gas is pressed, whether normal malleation pressure transformer 7 of the exhaust gas pressure that is used for monitoring compressor and temperature is housed on the outlet side pipeline of compressor, first temperature transmitter 8, second temperature transmitter 9 of the gas temperature after being used to monitor refrigeration is housed on the outlet side pipeline of fefrigerator, whether up to standard on the pressure side meet the discharge side place at membrane module is equipped with and is used to detect discharged air consistency transmitter 11 and the ventilative cap 10 of back-fire relief, the side that sees through at membrane module, be equipped with on the connecting pipe between vacuum pump inlet and be used to monitor whether normal negative pressure pressure transformer 12 of degree of vacuum that film sees through side, on vacuum pump outlet side pipe road, be equipped with and be used to monitor whether normal the 3rd temperature transmitter 13 of Outlet Gas Temperature.
Equipment also is furnished with controller, is installed on control cabin, is used for the monitoring equipment operation conditions.The data of each transmitter are sent to controller by the collector collection and by radio communication or communication line on the device, by controller automatically judge start, shutdown, fault judgement, warning etc.
The utility model carries out following workflow in the co-ordination of above each major part, transmitter and controller:
When pressure transformer 6 senses the air inlet oil-air pressure, surpass setting value (this setting value can be revised according to actual conditions), equipment starts automatically, and compressor 1 is compressed to oil gas between 0.2～0.3MPa.Concentrated gas after the compression enters fefrigerator 2, and fefrigerator 2 is cooled to oil gas about 0 ℃, makes moisture and most of oil gas be condensed into liquid; The liquid that condenses is discharged through selfdraining valve 3; Remaining gas enters membrane module 4 on the pressure side, because film is strong to the solvency of organic molecule, and the dissolving of oil gas molecule tunicle, and air discharges through discharge side.The oil gas molecule that film is advanced in dissolving is seeing through under the effect of side vacuum pump 5, parses to enter through side, and the cooled via return air Huis is to oil tank.
In equipment running process, when sensing intake pressure, pressure transformer is lower than setting value, then the equipment auto-stop.
The normal operation of membrane module 4 needs certain malleation on the pressure side and sees through side degree of vacuum; monitor malleation deficiency or superelevation so work as malleation pressure transformer 7, perhaps negative pressure pressure transformer 12 monitors vacuum degree deficiency, and then pressure signal is delivered to controller; control convenience auto-stop, and newspaper fault.Other safety method of equipment also has: it is too high that compressor exit temperature transmitter 8 monitors temperature; it is too high that temperature transmitter 9 monitors refrigeration back temperature; it is too high that temperature transmitter 13 monitors vacuum pump outlet side temperature, and it is not up to standard that consistency transmitter monitors concentration of emission.
Pressure transformer real-time continuous in the utility model monitoring admission port pressure, but the setting value that starts and stop by the controller modifier are to adapt to situations such as different length induction tract, different oil tank evaporation rates.Such as, when the initial setting actuating pressure is 150Pa,,, equipressure just begins to handle if being increased to 150Pa when being installed on an oil tank that volume ratio is bigger, may need the long period.By revising the startup value is 100Pa, can the interior oil gas of advanced processing jar.
When in control box, installing frequency converter additional, can reduce frequency and can reduce motor speed, the control apparatus process load by frequency converter control system power electricity frequency.
In practice of construction, power line and communication line can not be laid in the same protective tube, therefore for the device of wire communication, need lay power cable and communication cable respectively.The built-in wireless communication module of the utility model need not to lay communication line, gets final product the data communication of implement device and controller.
The exhaust of oil processing equipment is distributed in each petrol service station, in service, the running condition that wants to understand every table apparatus is a hard work, for addressing this problem, the utility model is equipped with SMS transmission module in control box, to install operation information and be sent to computer management system every day, just can see the running condition of every table apparatus in administrative center.
Owing to be installed on explosive gas atmosphere, the utility model complete machine carries out explosion-proof design, and wherein part of data acquisition designs for inbeing safe explosion prevention.
As shown in Figure 2, this embodiment and embodiment difference shown in Figure 1 are that vacuum pump outlet inserts the low temperature heat-exchange system of fefrigerator by pipeline, and are linked into oil tank via fefrigerator cooling back by pipeline.Because through over cooling, the oil gas temperature that device return-air mouth is discharged is lower than ambient temperature in the present embodiment, has solved same category of device in the past and has handled back oil gas temperature and be higher than oil gas temperature in the oil tank and quickened the problem that gasoline volatilization and oil gas expand in the oil tank.
Claims (3)
1. exhaust of oil processing equipment is characterized in that: this device comprises compressor (1), fefrigerator (2), selfdraining valve (3), membrane module (4), vacuum pump (5) and is arranged on pressure transformer on the connecting tube; Wherein, the import of described compressor (1) links to each other with the outlet of oil tank by pipeline, and its outlet links to each other with the import of fefrigerator (2); The fefrigerator outlet connects selfdraining valve (3), and links to each other with the import of membrane module (4); Membrane module on the pressure side connects discharge side, and membrane module sees through side joint vacuum pump (5), and vacuum pump outlet links to each other by pipeline and oil tank; The outlet of described selfdraining valve (3) links to each other by pipeline and oil tank.
2. exhaust of oil processing equipment according to claim 1 is characterized in that: the outlet of described vacuum pump (5) inserts the low temperature heat-exchange system of fefrigerator by pipeline, and is linked into oil tank via fefrigerator cooling back by pipeline.
3. exhaust of oil processing equipment according to claim 1, it is characterized in that: the inlet side pipeline of compressor is provided with and is used for the pressure transformer (6) that sensing air inlet oil gas is pressed, whether normal malleation pressure transformer (7) of the exhaust gas pressure that is used for monitoring compressor and temperature is housed on the outlet side pipeline of compressor, first temperature transmitter (8), second temperature transmitter (9) of the gas temperature after being used to monitor refrigeration is housed on the outlet side pipeline of fefrigerator, whether up to standard on the pressure side meet the discharge side place at membrane module is equipped with and is used to detect discharged air consistency transmitter (11) and the ventilative cap (10) of back-fire relief, the side that sees through at membrane module, be equipped with on the connecting pipe between vacuum pump inlet and be used to monitor whether normal negative pressure pressure transformer (12) of degree of vacuum that film sees through side, on vacuum pump outlet side pipe road, be equipped with and be used to monitor whether normal the 3rd temperature transmitter (13) of Outlet Gas Temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200905821U CN201458718U (en) | 2009-06-02 | 2009-06-02 | Oil-gas emission treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200905821U CN201458718U (en) | 2009-06-02 | 2009-06-02 | Oil-gas emission treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201458718U true CN201458718U (en) | 2010-05-12 |
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ID=42386071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200905821U Expired - Lifetime CN201458718U (en) | 2009-06-02 | 2009-06-02 | Oil-gas emission treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201458718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833742A (en) * | 2017-04-01 | 2017-06-13 | 安徽实华工程技术股份有限公司 | A kind of oil gas recovery processing system and method based on emission reduction control |
| CN109775170A (en) * | 2018-11-30 | 2019-05-21 | 伟林环保科技（大连）有限公司 | A kind of unloading port, gas station device of integrated purifying system |
| CN111960373A (en) * | 2020-08-25 | 2020-11-20 | 优必得石油设备(苏州)有限公司 | Method and device for recycling tertiary oil gas of gas station |
-
2009
- 2009-06-02 CN CN2009200905821U patent/CN201458718U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833742A (en) * | 2017-04-01 | 2017-06-13 | 安徽实华工程技术股份有限公司 | A kind of oil gas recovery processing system and method based on emission reduction control |
| CN106833742B (en) * | 2017-04-01 | 2019-03-19 | 安徽实华工程技术股份有限公司 | A kind of oil gas recovery processing system and method based on emission reduction control |
| CN109775170A (en) * | 2018-11-30 | 2019-05-21 | 伟林环保科技（大连）有限公司 | A kind of unloading port, gas station device of integrated purifying system |
| CN109775170B (en) * | 2018-11-30 | 2020-10-02 | 伟林环保科技（大连）有限公司 | Oil discharge port device of filling station of integrated clean system |
| CN111960373A (en) * | 2020-08-25 | 2020-11-20 | 优必得石油设备(苏州)有限公司 | Method and device for recycling tertiary oil gas of gas station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |