CN105771298B - One kind condensation flow controller - Google Patents
One kind condensation flow controller Download PDFInfo
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- CN105771298B CN105771298B CN201510854925.7A CN201510854925A CN105771298B CN 105771298 B CN105771298 B CN 105771298B CN 201510854925 A CN201510854925 A CN 201510854925A CN 105771298 B CN105771298 B CN 105771298B
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- oil
- gas
- condenser
- housing
- pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0054—General arrangements, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/0087—Recirculating of the cooling medium
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses one kind to condense flow controller, including housing two, the top of the housing two is provided with offgas outlet two and inlet exhaust gas one, wherein, the inlet exhaust gas one is connected with the offgas outlet one of the oil gas pretreatment unit in gas recovery system for oil and the condenser offgas outlet of condenser, the housing two is internally provided with the pipeline to connect one to one with condenser, the pipeline is connected with the outlet pipe of two side of housing, the diameter of the outlet pipe is more than the sum of described pipe diameter, and, the outlet pipe is connected with condenser compressor, in addition, the bottom of the housing two is additionally provided with grease outlet one, the grease outlet one is connected with oil and water trap.The present invention is used in gas recovery system for oil, realizes the concentration of emission for being handled, reducing gas recovery system for oil further to tail gas, improves the grease rate of recovery.
Description
Technical field
The present invention relates to Investigation of Petroleum Vapor Recovery Technology field, it particularly relates to a kind of condensation flow controller.
Background technology
The fueling facilities such as oil depot, oil tank, fuel tank and oil drum are refueling, during emptying, due to fluid position rising or under
Drop, causes ullage constantly to discharge oil vapour or penetrates into air, causes energy waste, generation environment pollution, buries fire
Calamity hidden danger, influence fuel oil quality.In order to reduce the volatilization of oil gas, one kind in the technique such as generally use absorption and sorption or condensation
Or two methods, the oil gas collection of volatilization is got up, oil gas is changed into liquid from gaseous state, is changed into fuel oil again, reaches recycling
The purpose utilized.Oil-gas recovery method common at present has absorption method, absorption process, membrane separation process and condensation method, specific as follows：
Absorption method is to realize oil to the size to oil gas/air gaseous mixture adsorption capacity using adsorbents such as activated carbon, silica gel
The separation of gas and air.By adsorbents such as activated carbons, oil-gas component is adsorbed in adsorbent surface oil gas, then passes through decompression again
Desorption or steam desorption, the oil gas of enrichment are drawn into oil tank with vacuum pump or are liquefied with other methods；And the adsorbent such as activated carbon
Very small to the adsorption capacity of air, tail gas not to be adsorbed is through emission by exhaust pipe.This method can reach higher treatment effeciency,
Concentration of emission is low, but its complex process, and the activated carbon service life is low, and there are secondary pollution, adsorbent bed after inactivation easily to produce high warm
Point, there are the problems such as security risk.
Absorption process is the size of the solubility in absorbent according to each component in mixed oil and gas, to carry out oil gas and air
Separation.General to carry out counter current contacting with the absorbent sprayed from absorption tower top using oil gas, absorbent carries out hydrocarbon component
Selective absorbing, unabsorbed gases are discharged through spark arrester, and absorbent is desorbed into Vacuum solutions cucurbitula, and enrichment oil gas is again with oil
Product absorb.This method technique is simple, and cost of investment is low, but the rate of recovery is too low, generally can only achieve 80% or so, is unable to reach existing
Row national standard；Equipment space is big.
Membrane separation process is that have the characteristics of preferential permeability to hydro carbons using special polymeric membrane, allows oil gas and air Mixture
Under the promotion of certain pressure, oil gas molecule is set preferentially to pass through polymeric membrane, and constituent of air is then trapped discharge, the oil of enrichment
Gas is transmitted back to oil tank or is liquefied with other methods.The shortcomings that this method is that membrane lifetime is short, expensive, and operation requires high, easily production
Raw discharge layer, there are security risk.
Condensation method is to utilize the vapour pressure difference of hydrocarbons at different temperatures, makes some hydro carbons in oil gas by cooling
Vapour pressure reaches the method that supersaturation is condensed into liquid recycling oil gas.Can according to the component of Volatile Gas, the desired rate of recovery and
Organic compound concentrations limit value determines the minimum temperature of condensing unit, the letter of this method technique in the tail gas being finally discharged into air
Single, safe, the rate of recovery is high, can directly obtain fluid oil.However, at present, existing condensation method it is more because gas concentration compared with
Low, overall energy consumption is higher, and brings higher operating cost.
It is improved the present invention be directed to existing condensation hair Investigation of Petroleum Vapor Recovery Technology, there is provided one kind condensation flow controller,
For in gas recovery system for oil, to realize the concentration of emission for being handled, reducing gas recovery system for oil further to tail gas, improving
The grease rate of recovery.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of condensation flow controller, in gas recovery system for oil, realizing
The concentration of emission for being handled, reducing gas recovery system for oil further to tail gas, improves the grease rate of recovery.
The technical proposal of the invention is realized in this way：
One kind condensation flow controller, including housing two, the top of the housing two are provided with offgas outlet two and inlet exhaust gas
One, wherein, the offgas outlet one and condenser of the inlet exhaust gas one and the oil gas pretreatment unit in gas recovery system for oil
The connection of condenser offgas outlet, the housing two is internally provided with the pipeline to connect one to one with condenser, the pipeline
It is connected with the outlet pipe of two side of housing, the diameter of the outlet pipe is more than the sum of described pipe diameter, also, institute
State outlet pipe to be connected with condenser compressor, in addition, the bottom of the housing two is additionally provided with grease outlet one, the grease
Outlet one is connected with oil and water trap.
Further, the end of the inlet exhaust gas one is extended in housing two, and to the pipe bending.
Further, gap is left between the pipeline.Diameter of the width in the gap at least above the pipeline.
Further, the pipeline is uniformly distributed in the inside of the housing two.
Beneficial effects of the present invention：The pipeline and setting to be connected one to one by setting with condenser is connected with pipeline
Outlet pipe, the diameter of outlet pipe is set greater than the sum of pipe diameter, so that between pipeline and outlet pipe
Because the principle that pressure differential throttling generation latent heat and cigarette lead to forms air pressure difference, realize cold air convection current, take away heat exchange and brought
" high-temperature gas ", and then realize recycling for the cold air in condenser, further to tail gas to be condensed, oil recovery
Water, greatly reduces the concentration of emission of gas recovery system for oil, improves the grease rate of recovery.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the surface structure schematic diagram of condensation flow controller according to embodiments of the present invention；
Fig. 2 is the internal structure perspective view of condensation flow controller according to embodiments of the present invention；
Fig. 3 is the structure diagram of gas recovery system for oil according to embodiments of the present invention；
Fig. 4 is the surface structure schematic diagram of oil gas pretreatment unit according to embodiments of the present invention；
Fig. 5 is the internal structure schematic diagram of oil gas pretreatment unit according to embodiments of the present invention；
Fig. 6 is the surface structure schematic diagram of oil molecule grabber according to embodiments of the present invention；
Fig. 7 is the internal structure schematic diagram of oil molecule grabber according to embodiments of the present invention.
In figure：
1st, condenser；2nd, oil and water trap；3rd, oil gas pretreatment unit；4th, housing one；5th, oil gas air inlet；6th, tail gas goes out
Mouth one；7th, filtration apparatus；8th, heat-exchanger rig；9th, air inlet；10th, gas outlet；11st, condenser compressor；12nd, sewage comb；13、
Cesspool；14th, cold air return duct；15th, flow controller is condensed；16th, housing two；17th, offgas outlet two；18th, inlet exhaust gas one；19、
Pipeline；20th, outlet pipe；21st, grease outlet one；22nd, oil molecule grabber；23rd, housing three；24th, oil molecule catcher；25、
Wire partition plate；26th, offgas outlet three；27th, inlet exhaust gas two；28th, grease outlet two；29th, sideboard；30th, condenser tail
Gas exports.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained, belong to what the present invention protected
Scope.
According to an embodiment of the invention, there is provided one kind condensation flow controller.
As shown in Figs. 1-2, condensation flow controller according to embodiments of the present invention includes housing 2 16, the top of the housing 2 16
Portion is provided with offgas outlet 2 17 and inlet exhaust gas 1, wherein, the inlet exhaust gas 1 and the oil in gas recovery system for oil
The offgas outlet 1 of gas pretreatment unit 3 and the condenser offgas outlet 30 of condenser 1 connect, the housing 2 16 it is interior
Portion is provided with the pipeline 19 to connect one to one with condenser 1, the pipeline 19 and the outlet pipe 20 of 2 16 side of housing
Connection, the diameter of the outlet pipe 20 are more than the sum of described 19 diameter of pipeline, also, the outlet pipe 20 and condenser pressure
Contracting machine 11 connects, in addition, the bottom of the housing 2 16 is additionally provided with grease outlet 1, the grease outlet 1 and grease
Collector 2 connects.
Further, the end of the inlet exhaust gas 1 is extended in housing 2 16, and is bent to the pipeline 19.
Further, gap is left between the pipeline 19.The width in the gap is straight at least above the pipeline 19
Footpath.
Further, the pipeline 19 is uniformly distributed in the inside of the housing 2 16.
In order to facilitate the above-mentioned technical proposal for understanding the present invention, below in conjunction with the overall structure of gas recovery system for oil, to this
The above-mentioned technical proposal of invention is described in detail.
As shown in figs. 1-7, if gas recovery system for oil includes being sequentially connected and dry condenser 1 that rank of freezing gradually increases,
The oil and water trap 2 that is connected with the condenser 1, the oil gas pretreatment unit 3 being connected between oil-gas pipeline and condenser 1,
The condensation flow controller being connected on the offgas outlet 1 of oil gas pretreatment unit 3 and the condenser offgas outlet 30 of condenser 1
15th, the oil molecule grabber 22 being connected on condensation flow controller 15.
Wherein, oil gas pretreatment unit 3 includes housing 1, the top of the housing 1 is provided with 5 and of oil gas air inlet
Offgas outlet 1, the housing 1 are internally provided with filtration apparatus 7, and the lower section of the filtration apparatus 7 is provided with heat exchange dress
8 are put, the air inlet 9 of the heat-exchanger rig 8 is connected with gas outlet 10 with condenser compressor 11, and the bottom of the housing 1 is set
Sewage comb 12 is equipped with, which is connected with exterior cesspool 13.
Wherein, condensation flow controller 15 includes housing 2 16, and the top of the housing 2 16 is provided with 2 17 He of offgas outlet
The inlet exhaust gas 1 being connected with the offgas outlet 1, condenser offgas outlet 30, also, the inside of the housing 2 16
If being provided with the pipeline 19 to connect one to one with the dry condenser 1, the pipeline 19 and the outlet of 2 16 side of housing
Pipeline 20 connects, and the diameter of the outlet pipe 20 is more than the sum of described 19 diameter of pipeline, also, the outlet pipe 20 and institute
State condenser compressor 11 to connect, in addition, the bottom of the housing 2 16 is additionally provided with grease outlet 1, the grease outlet
One 21 are connected with the oil and water trap 2.
Wherein, oil molecule grabber 22 includes housing 3 23, and the housing 3 23 is internally provided with oil molecule catcher
24, some wire partition plates 25 are provided with the oil molecule catcher 24, and adjacent two wires partition plate 25 is mutually abutted and stayed
There is gap, offgas outlet 3 26 and the inlet exhaust gas two being connected with the offgas outlet 2 17 are additionally provided with the housing 3 23
27, the inlet exhaust gas 2 27 is connected to the side of the oil molecule catcher 24, and the offgas outlet 3 26 is connected to described
The opposite side of oil molecule catcher 24, the bottom of the oil molecule catcher 24 are provided with grease outlet 2 28, grease outlet
2 28 are connected with the bottom of the oil molecule catcher 24 and the oil and water trap 2.Wherein, wire partition plate 25 and oil
Inlet channel is formed between sub- 24 madial wall of catcher, the inlet channel is close to inlet exhaust gas 2 27 and/or offgas outlet 3 26
Side be airtight passage, which is equipped with towards wire partition plate 25 close to the side of 25 bottom of wire partition plate and opens
Mouthful, also, sideboard 29 is provided with the inlet channel of 2 27 side of inlet exhaust gas, the sideboard 29 is positioned at described
The lower section of inlet exhaust gas 2 27, and when inlet exhaust gas 2 27 is not ventilated, inlet channel is closed, ventilate in inlet exhaust gas 2 27
When, open inlet channel.
When specifically used, if for dry condenser 1, it can include first-stage condenser, secondary condenser and three-level
Three condensers of condenser, the temperature of three condensers gradually reduce, and are respectively -5 DEG C, -55 DEG C and -120 DEG C.
When specifically used, oil gas enters oil and gas import 5 by oil-gas pipeline, is passed into oil gas pretreatment unit 1, works as oil
After gas is passed into oil gas pretreatment unit 1, condenser compressor 11 works, and is the heat-exchanger rig 8 in oil gas pretreatment unit 1
Cold air is provided, promotes heat-exchanger rig 8 to pre-cool the oil gas in oil gas pretreatment unit 1.After the cooling period or at the same time, it is cold
But the oil gas after is entered by pipeline carries out condensation recycling in first-stage condenser, and during oil gas circulates, it is few
The oil gas of amount is flowed out by offgas outlet 1, and sewage caused by filtering and exchanging heat, then is discharged to dirt by sewage comb 12
In pond 13.
While first-stage condenser carries out oil gas level-one condensation recycling, due to first-stage condenser and secondary condenser and
Three-level condenser is sequentially connected, and therefore, oil gas successive can be entered in secondary condenser and three-level condenser, is carried out cold
Solidifying recycling, and the obtained grease of condensation recycling is then flowed into oil-water collecting device 3 (i.e. fuel tank) by pipeline and is recycled
Utilize, and be condensed back to a small amount of oil gas remained by the time receiving, then condensation flow controller 15 is flowed into by condenser offgas outlet 30
In inlet exhaust gas 1.
It should be noted that the tail gas that oil gas pretreatment unit 1 is flowed out similarly is flowed into condensation flow controller 15
Inlet exhaust gas 1 in, carry out further vent gas treatment.
In addition it is also necessary to explanation, condenses oil gas in first-stage condenser, secondary condenser, three-level condenser
During recycling, it can pass through and control (stopping) corresponding condenser compressor 11 so that cold air in high level condenser is to rudimentary
Flow back in other condenser, so that the temperature in low level condenser can be rapidly achieved requirement, degradation low level condenser institute is right
The energy consumption for the compressor answered.
After in the inlet exhaust gas 1 that tail gas enters condensation flow controller 15, first-stage condenser, secondary condenser, three-level
Condenser is passed through cold air under the control of corresponding compressor into the pipeline 19 of condensation flow controller 15, to condensing flow controller
In tail gas in 15 carry out condensation recycling again, in the process, be connected thereto since the sum of diameter of three pipelines 19 is less than
Outlet pipe 20, so as to then produce the principle shape that latent heat and cigarette lead to because pressure differential throttles between pipeline 19 and outlet pipe 20
Into air pressure difference, promote the cold air convection current in pipeline 19, and then take away " high-temperature gas " caused by heat exchange, and be somebody's turn to do " high
Wet body " is then led in condenser compressor 11 again by pipeline, and is condensed and recycled obtained grease, then passes through pipeline stream
Enter into oil and water trap 2.
Further is being condensed back to tail gas using condensing flow controller 15 time receiving, may also have a small amount of tail gas production
Raw, at this time, tail gas is then entered in oil molecule grabber 22 by pipeline, and since in oil molecule grabber 22, there are oil
Molecule trapping chamber 24, wire partition plate 25 and inlet channel, therefore, can only then lead into the tail gas in oil molecule grabber 22
Flowed upwards out to the bottom of wire partition plate 25, then by the gap between wire partition plate 25, and then pass through offgas outlet 3 26
Emit, in the process, trickle gap left due between wire partition plate 25 being close to each other, when
When tail gas circulates in wire partition plate 25, the oil molecule in tail gas can be attached on wire partition plate 25, and then in gravity
Under effect, it is enriched with the bottom of oil molecule catcher, and then be flowed into by pipeline in oil-water collecting device 2.So far, whole oil
Gas recovery process terminates.
It can be seen from the above that by means of the above-mentioned technical proposal of the present invention, by setting the pipe to connect one to one with condenser 1
Road 19 and the outlet pipe 20 that is connected with pipeline 19 of setting, by the diameter of outlet pipe 20 be set greater than 19 diameter of pipeline it
With so that producing the principle that latent heat and cigarette lead to because pressure differential throttles between pipeline 19 and outlet pipe 20 and forming air pressure
Difference, realizes cold air convection current, takes away " high-temperature gas " caused by heat exchange, and then realize the circulation of the cold air in condenser 1
Utilize, it is further to tail gas to be condensed, grease is recycled, the concentration of emission of gas recovery system for oil greatly reduces, improves
Grease rate of recovery
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (5)
1. one kind condensation flow controller, it is characterised in that including housing two (16), tail gas is provided with the top of the housing two (16)
Two (17) and inlet exhaust gas one (18) are exported, wherein, the inlet exhaust gas one (18) is located in advance with the oil gas in gas recovery system for oil
Manage condenser offgas outlet (30) connection of the offgas outlet one (6) and condenser (1) of device (3), the housing two (16)
Be internally provided with the pipeline (19) to connect one to one with condenser (1), the pipeline (19) and described two (16) side of housing
Outlet pipe (20) connection, the diameter of the outlet pipe (20) is more than the sum of the pipeline (19) diameter, also, it is described go out
Feed channel (20) is connected with condenser compressor (11), in addition, the bottom of the housing two (16) is additionally provided with grease outlet one
(21), the grease exports one (21) and is connected with oil and water trap (2).
2. condensation flow controller according to claim 1, it is characterised in that the end of the inlet exhaust gas one (18) extends to
In housing two (16), and bent to the pipeline (19).
3. condensation flow controller according to claim 1, it is characterised in that leave gap between the pipeline (19).
4. condensation flow controller according to claim 3, it is characterised in that the width in the gap is at least above the pipeline
(19) diameter.
5. condensation flow controller according to claim 1, it is characterised in that the pipeline (19) is uniformly distributed in the housing
The inside of two (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854925.7A CN105771298B (en) | 2015-12-01 | 2015-12-01 | One kind condensation flow controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510854925.7A CN105771298B (en) | 2015-12-01 | 2015-12-01 | One kind condensation flow controller |
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| Publication Number | Publication Date |
|---|---|
| CN105771298A CN105771298A (en) | 2016-07-20 |
| CN105771298B true CN105771298B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510854925.7A Expired - Fee Related CN105771298B (en) | 2015-12-01 | 2015-12-01 | One kind condensation flow controller |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109847397B (en) * | 2019-03-14 | 2021-07-27 | 江苏雷蒙新材料有限公司 | Device for improving acetic acid recovery rate in glycerol triacetate production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996016904A1 (en) * | 1994-11-25 | 1996-06-06 | Emsys Separation Technology B.V. | Apparatus for the purification of water contaminated with oil |
| CN2728600Y (en) * | 2004-10-15 | 2005-09-28 | 黄道军 | Oil gas separation recovery device by complex method |
| CN102716597A (en) * | 2011-11-17 | 2012-10-10 | 李贤锡 | Device for condensation liquefaction recovery of organic exhaust gas |
| CN102728189A (en) * | 2011-04-11 | 2012-10-17 | 朱建英 | Cooled dryer |
| CN205323264U (en) * | 2015-12-01 | 2016-06-22 | 北京明天和创科贸有限公司 | Condensation flow controller |
-
2015
- 2015-12-01 CN CN201510854925.7A patent/CN105771298B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996016904A1 (en) * | 1994-11-25 | 1996-06-06 | Emsys Separation Technology B.V. | Apparatus for the purification of water contaminated with oil |
| CN2728600Y (en) * | 2004-10-15 | 2005-09-28 | 黄道军 | Oil gas separation recovery device by complex method |
| CN102728189A (en) * | 2011-04-11 | 2012-10-17 | 朱建英 | Cooled dryer |
| CN102716597A (en) * | 2011-11-17 | 2012-10-10 | 李贤锡 | Device for condensation liquefaction recovery of organic exhaust gas |
| CN205323264U (en) * | 2015-12-01 | 2016-06-22 | 北京明天和创科贸有限公司 | Condensation flow controller |
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| Publication number | Publication date |
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| CN105771298A (en) | 2016-07-20 |
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Effective date of registration: 20191106 Address after: 224015 building 3, No. 100, group 3, Chengzhuang village, Zhangzhuang street, Yandu District, Yancheng City, Jiangsu Province (g) Patentee after: Yancheng tomorrow hechuang environmental protection and energy saving Technology Co., Ltd. Address before: 102600 Beijing City, Daxing District Huang Cun Dong 38 academy Street No. 3 Building 9 layer 901 Patentee before: BEIJING MINGTIAN HECHUANG SCIENCE AND TRADE CO., LTD. |
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Granted publication date: 20180508 Termination date: 20191201 |