CN205323264U - Condensation flow controller - Google Patents
Condensation flow controller Download PDFInfo
- Publication number
- CN205323264U CN205323264U CN201520980664.9U CN201520980664U CN205323264U CN 205323264 U CN205323264 U CN 205323264U CN 201520980664 U CN201520980664 U CN 201520980664U CN 205323264 U CN205323264 U CN 205323264U
- Authority
- CN
- China
- Prior art keywords
- oil
- pipeline
- condenser
- gas
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a condensation flow controller, including casing no. 2, the top of casing no. 2 is provided with tail gas export no. 2 and tail gas import no. 1, wherein, oil gas preprocessing device's in tail gas import no. 1 and the vapor recovery system system the tail gas export no. 1 and the condenser tail gas exit linkage of condenser, the inside of casing no. 2 is provided with the pipeline of being connected with the condenser one -to -one, this pipeline with the pipeline of giving vent to anger of two one sides of casing is connected, the diameter of pipeline of giving vent to anger is greater than pipeline diameter sum, and, the pipeline of giving vent to anger is connected with the condenser compressor, in addition, the bottom of casing no. 2 still is provided with profit export no. 1, profit export no. 1 is connected with oily water collector. The utility model is used for in the vapor recovery system system, realized doing further processing to tail gas, reduced the effluent concentration of vapor recovery system system, improved the profit rate of recovery.
Description
Technical field
This utility model relates to Investigation of Petroleum Vapor Recovery Technology field, it particularly relates to a kind of condensation reducer。
Background technology
The fueling facilities such as oil depot, oil tank, fuel tank and oil drum are in oiling, emptying process, due to rising or falling of oil liquid level, cause that ullage is constantly discharged oil vapour or penetrates into air, cause energy waste, produce environmental pollution, bury disaster hidden-trouble, affect fuel oil quality。In order to reduce the volatilization of oil gas, generally adopt one or both methods in the technique such as absorption and sorption or condensation, the oil gas collection of volatilization is got up, makes oil gas be changed into liquid from gaseous state, again become fuel oil, reach the purpose recycled。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 utilize the adsorbent such as activated carbon, silica gel to the size to oil gas/air gaseous mixture absorption affinity, it is achieved the separation of oil gas and air。Oil gas is by adsorbents such as activated carbons, and oil-gas component is adsorbed on adsorbent surface, and then then through decompression desorption or steam desorption, the oil gas vacuum pump of enrichment is drawn into oil tank or liquefies with additive method；And the adsorbents such as activated carbon are very little to the absorption affinity of air, not adsorbed tail gas is through emission by exhaust pipe。The method can reach higher treatment effeciency, and concentration of emission is low, but its complex process, the activated carbon life-span is low, there is secondary pollution after inactivation, and adsorbent bed easily produces high temperature hotspot, there is the problems such as potential safety hazard。
Absorption process is the size according to component each in mixed oil and gas dissolubility in absorbent, carries out the separation of oil gas and air。Being generally adopted oil gas and carry out counter current contacting with the absorbent sprayed from absorption tower top, hydrocarbon component is carried out selective absorbing by absorbent, and unabsorbed gases discharges through spark arrester, and absorbent enters Vacuum solutions cucurbitula desorbing, and enrichment oil gas absorbs with oil product again。The method technique is simple, and cost of investment is low, but the response rate is too low, generally can only achieve about 80%, it is impossible to reach existing national standards；It is big that equipment takes up an area space。
Membrane separation process is the feature utilizing special polymeric membrane that hydro carbons has preferential permeability, allow oil gas and air Mixture under the promotion of certain pressure, making oil gas molecule preferentially through polymeric membrane, constituent of air is then trapped discharge, and the oil gas of enrichment is transmitted back to oil tank or liquefies with additive method。The shortcoming of the method is that membrane lifetime is short, expensive, and operation requires height, is easily generated discharge layer, there is potential safety hazard。
Condensation method is the vapour pressure difference utilizing hydrocarbons at different temperatures, makes by lowering the temperature some hydrocarbon vapours pressures in oil gas reach supersaturation and is condensed into the method that liquid reclaims oil gas。Can according to the composition of Volatile Gas, the response rate of requirement and the minimum temperature being finally discharged in the tail gas in air organic compound concentrations limit value and determining condensing unit, the method technique is simple, and safety is high, and the response rate is high, can directly obtain fluid oil。But, at present, existing condensation method is many because gas concentration is relatively low, and overall power consumption is higher, and brings higher operating cost。
This utility model is sent out Investigation of Petroleum Vapor Recovery Technology for existing condensation and is improved, it is provided that a kind of condensation reducer, for, in gas recovery system for oil, to realize tail gas is done further process, reducing the concentration of emission of gas recovery system for oil, improve the profit response rate。
Utility model content
For the problem in correlation technique, the utility model proposes a kind of condensation reducer, in gas recovery system for oil, it is achieved tail gas to be done further process, reduce the concentration of emission of gas recovery system for oil, improve the profit response rate。
The technical solution of the utility model is achieved in that
A kind of condensation reducer, including housing two, the top of described housing two is provided with offgas outlet two and inlet exhaust gas one, wherein, described 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, described housing two be internally provided with the pipeline connected one to one with condenser, this pipeline is connected with the outlet pipe of described housing two side, the diameter of described outlet pipe is more than described pipe diameter sum, and, described outlet pipe is connected with condenser compressor, in addition, the bottom of described housing two is additionally provided with profit outlet one, described profit outlet one is connected with oil and water trap。
Further, the end of described inlet exhaust gas one extends in housing two, and to described pipe bending。
Further, gap is left between described pipeline。The width in described gap is at least above the diameter of described pipeline。
Further, described pipeline is uniformly distributed in the inside of described housing two。
The beneficial effects of the utility model: by arranging the pipeline connected one to one with condenser and arranging the outlet pipe being connected with pipeline, the diameter of outlet pipe is set greater than pipe diameter sum, so that the principle led to because of pressure differential throttling generation latent heat and cigarette between pipeline and outlet pipe forms air pressure difference, realize cold air convection current, take away " high-temperature gas " that heat exchange brings, and then achieve recycling of cold air in condenser, tail gas is done further condensation, reclaim profit, the concentration of emission of gas recovery system for oil is greatly reduced, improve the profit response rate。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the surface structure schematic diagram of the condensation reducer according to this utility model embodiment；
Fig. 2 is the internal structure perspective view of the condensation reducer according to this utility model embodiment；
Fig. 3 is the structural representation of the gas recovery system for oil according to this utility model embodiment；
Fig. 4 is the surface structure schematic diagram of the oil gas pretreatment unit according to this utility model embodiment；
Fig. 5 is the internal structure schematic diagram of the oil gas pretreatment unit according to this utility model embodiment；
Fig. 6 is the surface structure schematic diagram of the oil molecule grabber according to this utility model embodiment；
Fig. 7 is the internal structure schematic diagram of the oil molecule grabber according to this utility model embodiment。
In figure:
1, condenser；2, oil and water trap；3, oil gas pretreatment unit；4, housing one；5, oil gas air inlet；6, offgas outlet one；7, defecator；8, heat-exchanger rig；9, air inlet；10, gas outlet；11, condenser compressor；12, sewage comb；13, cesspool；14, cold air return duct；15, condensation reducer；16, housing two；17, offgas outlet two；18, inlet exhaust gas one；19, pipeline；20, outlet pipe；21, profit outlet one；22, oil molecule grabber；23, housing three；24, oil molecule catcher；25, tinsel dividing plate；26, offgas outlet three；27, inlet exhaust gas two；28, profit outlet two；29, sideboard；30, condenser offgas outlet。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain, broadly fall into the scope of this utility model protection。
According to embodiment of the present utility model, it is provided that a kind of condensation reducer。
As shown in Figure 1-2, condensation reducer according to this utility model embodiment includes housing 2 16, the top of described housing 2 16 is provided with offgas outlet 2 17 and inlet exhaust gas 1, wherein, described inlet exhaust gas 1 is connected with the offgas outlet 1 of the oil gas pretreatment unit 3 in gas recovery system for oil and the condenser offgas outlet 30 of condenser 1, described housing 2 16 be internally provided with the pipeline 19 connected one to one with condenser 1, this pipeline 19 is connected with the outlet pipe 20 of described housing 2 16 side, the diameter of described outlet pipe 20 is more than described pipeline 19 diameter sum, and, described outlet pipe 20 is connected with condenser compressor 11, in addition, the bottom of described housing 2 16 is additionally provided with profit outlet 1, described profit outlet 1 is connected with oil and water trap 2。
Further, the end of described inlet exhaust gas 1 extends in housing 2 16, and bends to described pipeline 19。
Further, gap is left between described pipeline 19。The width in described gap is at least above the diameter of described pipeline 19。
Further, described pipeline 19 is uniformly distributed in the inside of described housing 2 16。
Understand technique scheme of the present utility model in order to convenient, below in conjunction with the overall structure of gas recovery system for oil, technique scheme of the present utility model is described in detail。
As shown in figs. 1-7, gas recovery system for oil include being sequentially connected with and freeze oil and water trap 2, the oil gas pretreatment unit 3 being connected between oil and gas pipes and condenser 1, the offgas outlet 1 being connected to oil gas pretreatment unit 3 and condenser 1 that some condensers 1 that rank is gradually increased are connected with described condenser 1 condenser offgas outlet 30 on condensation reducer 15, the oil molecule grabber 22 that is connected on condensation reducer 15。
Wherein, oil gas pretreatment unit 3 includes housing 1, the top of described housing 1 is provided with oil gas air inlet 5 and offgas outlet 1, described housing 1 be internally provided with defecator 7, described defecator 7 be arranged below heat-exchanger rig 8, the air inlet 9 of this heat-exchanger rig 8 is all connected with condenser compressor 11 with gas outlet 10, the bottom of described housing 1 is provided with sewage comb 12, and this sewage comb 12 is connected with outside cesspool 13。
Wherein, condensation reducer 15 includes housing 2 16, the top of described housing 2 16 be provided with offgas outlet 2 17 and with described offgas outlet 1, the inlet exhaust gas 1 that condenser offgas outlet 30 connects, and, described housing 2 16 be internally provided with the pipeline 19 connected one to one with described some condensers 1, this pipeline 19 is connected with the outlet pipe 20 of described housing 2 16 side, the diameter of described outlet pipe 20 is more than described pipeline 19 diameter sum, and, described outlet pipe 20 is connected with described condenser compressor 11, in addition, the bottom of described housing 2 16 is additionally provided with profit outlet 1, described profit outlet 1 is connected with described oil and water trap 2。
Wherein, oil molecule grabber 22 includes housing 3 23, described housing 3 23 be internally provided with oil molecule catcher 24, some tinsel dividing plates 25 it are provided with in described oil molecule catcher 24, adjacent two tinsel dividing plates 25 mutually against and leave gap, described housing 3 23 is additionally provided with offgas outlet 3 26 and the inlet exhaust gas 2 27 being connected with described offgas outlet 2 17, described inlet exhaust gas 2 27 is connected to the side of described oil molecule catcher 24, described offgas outlet 3 26 is connected to the opposite side of described oil molecule catcher 24, the bottom of described oil molecule catcher 24 is provided with profit outlet 2 28, this profit outlet 2 28 is connected with bottom and the described oil and water trap 2 of described oil molecule catcher 24。Wherein, inlet channel is formed between tinsel dividing plate 25 and oil molecule catcher 24 medial wall, this inlet channel is airtight passage near the side of inlet exhaust gas 2 27 and/or offgas outlet 3 26, this inlet channel is provided with opening near the side of tinsel dividing plate 25 bottom towards tinsel dividing plate 25, and, it is provided with sideboard 29 in the inlet channel of inlet exhaust gas 2 27 side, this sideboard 29 is positioned at the lower section of described inlet exhaust gas 2 27, and when inlet exhaust gas 2 27 is not ventilated, close inlet channel, when inlet exhaust gas 2 27 is ventilated, open inlet channel。
Time specifically used, for some condensers 1, it can include first-stage condenser, secondary condenser and three condensers of three grades of condensers, and the temperature of three condensers is gradually lowered, respectively-5 DEG C ,-55 DEG C and-120 DEG C。
Time specifically used, oil gas enters oil and gas import 5 by oil and gas pipes, it is passed in oil gas pretreatment unit 1, after oil gas is passed in oil gas pretreatment unit 1, condenser compressor 11 works, there is provided cold air for the heat-exchanger rig 8 in oil gas pretreatment unit 1, promote heat-exchanger rig 8 that the oil gas in oil gas pretreatment unit 1 is cooled down in advance。After the cooling period or simultaneously, oil gas after cooling is entered into by pipeline and carries out condensation recycling in first-stage condenser, and in the process of oil gas circulation, a small amount of oil gas is flowed out by offgas outlet 1, and filter and sewage produced by heat exchange, then it is discharged in cesspool 13 by sewage comb 12。
While oil gas is carried out one-level condensation recovery by first-stage condenser, owing to first-stage condenser is sequentially connected with secondary condenser and three grades of condensers, therefore, oil gas can enter in secondary condenser and three grades of condensers in succession, carry out condensation to reclaim, condense the obtained profit of recovery to be then flowed in oil-water collecting device 3 (i.e. fuel tank) by pipeline and recycle, and condense a small amount of oil gas remaining during recovery, then it is flowed into by condenser offgas outlet 30 in the inlet exhaust gas 1 of condensation reducer 15。
At this it should be noted that the tail gas that oil gas pretreatment unit 1 flows out is flowed in the inlet exhaust gas 1 of condensation reducer 15 too, carry out further vent gas treatment。
In addition, it can further be stated that, when oil gas is carried out condensation recovery by first-stage condenser, secondary condenser, three grades of condensers, can pass through to control the condenser compressor 11 that (stopping) is corresponding, cold air in high level condenser is refluxed in low level condenser, so that the temperature in low level condenser can be rapidly achieved requirement, the energy consumption of degradation compressor corresponding to low level condenser。
When tail gas enters into after in the inlet exhaust gas 1 of condensation reducer 15, first-stage condenser, secondary condenser, three grades of condensers are under the control of corresponding compressor, cold air is passed in the pipeline 19 of condensation reducer 15, tail gas in condensation reducer 15 is condensed recovery again, in the process, owing to the diameter sum of three pipelines 19 is less than connected outlet pipe 20, thus the principle then led to because of pressure differential throttling generation latent heat and cigarette between pipeline 19 and outlet pipe 20 forms air pressure difference, promote the cold air convection current in pipeline 19, and then take away " high-temperature gas " that heat exchange brings, should " high-temperature gas " then again lead in condenser compressor 11 by pipeline, and condense and reclaim obtained profit, then it is flowed in oil and water trap 2 by pipeline。
When utilizing condensation reducer 15 that tail gas is carried out, condensation is reclaimed further, it is likely to also have a small amount of tail gas produce, now, tail gas then enters in oil molecule grabber 22 by pipeline, and due in oil molecule grabber 22, there is oil molecule catcher 24, tinsel dividing plate 25 and inlet channel, therefore, enter the tail gas in oil molecule grabber 22 and then can only lead to the bottom of tinsel dividing plate 25, flowed upwards out by the gap between tinsel dividing plate 25 again, and then emitted by offgas outlet 3 26, in the process, trickle gap is left owing between tinsel dividing plate 25 being close to each other, therefore, when tail gas circulates in tinsel dividing plate 25, oil molecule in tail gas can be attached on tinsel dividing plate 25, and then under gravity, it is enriched with in the bottom of oil molecule catcher, and then be flowed in oil-water collecting device 2 by pipeline。So far, whole petroleum vapor recovery flow process terminates。
As can be seen here, by means of technique scheme of the present utility model, by arranging the pipeline 19 connected one to one with condenser 1 and arranging the outlet pipe 20 being connected with pipeline 19, the diameter of outlet pipe 20 is set greater than pipeline 19 diameter sum, so that the principle led to because of pressure differential throttling generation latent heat and cigarette between pipeline 19 and outlet pipe 20 forms air pressure difference, realize cold air convection current, take away " high-temperature gas " that heat exchange brings, and then achieve recycling of cold air in condenser 1, tail gas is done further condensation, reclaim profit, the concentration of emission of gas recovery system for oil is greatly reduced, improve the profit response rate。
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model。
Claims (5)
1. a condensation reducer, it is characterized in that, including housing two (16), the top of described housing two (16) is provided with offgas outlet two (17) and inlet exhaust gas one (18), wherein, described inlet exhaust gas one (18) is connected with the offgas outlet one (6) of the oil gas pretreatment unit (3) in gas recovery system for oil and the condenser offgas outlet (30) of condenser (1), described housing two (16) be internally provided with the pipeline (19) connected one to one with condenser (1), this pipeline (19) is connected with the outlet pipe (20) of described housing two (16) side, the diameter of described outlet pipe (20) is more than described pipeline (19) diameter sum, and, described outlet pipe (20) is connected with condenser compressor (11), in addition, the bottom of described housing two (16) is additionally provided with profit outlet one (21), described profit outlet one (21) is connected with oil and water trap (2)。
2. condensation reducer according to claim 1, it is characterised in that the end of described inlet exhaust gas one (18) extends in housing two (16), and bend to described pipeline (19)。
3. condensation reducer according to claim 1, it is characterised in that described pipeline leaves gap between (19)。
4. condensation reducer according to claim 3, it is characterised in that the width in described gap is at least above the diameter of described pipeline (19)。
5. condensation reducer according to claim 1, it is characterised in that described pipeline (19) is uniformly distributed in the inside of described housing two (16)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980664.9U CN205323264U (en) | 2015-12-01 | 2015-12-01 | Condensation flow controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980664.9U CN205323264U (en) | 2015-12-01 | 2015-12-01 | Condensation flow controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205323264U true CN205323264U (en) | 2016-06-22 |
Family
ID=56214820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980664.9U Withdrawn - After Issue CN205323264U (en) | 2015-12-01 | 2015-12-01 | Condensation flow controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205323264U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771298A (en) * | 2015-12-01 | 2016-07-20 | 北京明天和创科贸有限公司 | Condensing throttler |
| CN108792336A (en) * | 2017-04-28 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of the autonomous respiration Zero discharging system and processing method of nitrogen-sealed storage tank |
-
2015
- 2015-12-01 CN CN201520980664.9U patent/CN205323264U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771298A (en) * | 2015-12-01 | 2016-07-20 | 北京明天和创科贸有限公司 | Condensing throttler |
| CN105771298B (en) * | 2015-12-01 | 2018-05-08 | 北京明天和创科贸有限公司 | One kind condensation flow controller |
| CN108792336A (en) * | 2017-04-28 | 2018-11-13 | 中国石油化工股份有限公司 | A kind of the autonomous respiration Zero discharging system and processing method of nitrogen-sealed storage tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102899064B (en) | Gas recovery system for oil | |
| CN101716428A (en) | Device for recovering oil and gas by condensation-adsorption method | |
| CN108993140A (en) | A kind of processing fuel oil VOC containing steamsCondensation adsorption catalytic oxidizing equipment and method | |
| CN206152550U (en) | Exhaust treatment device in pyridine production | |
| CN204637927U (en) | A kind of device for recovering oil and gas | |
| CN205323264U (en) | Condensation flow controller | |
| CN105771300A (en) | Oil and gas recovery system | |
| CN205672782U (en) | A kind of absorption, condensation and bioanalysis synergy process the device of waste gas | |
| CN206642549U (en) | Multicomponent VOC recycling and processing device | |
| CN205340353U (en) | Oil molecules grabber | |
| CN205360650U (en) | Oil gas preprocessing device | |
| CN103263820B (en) | A kind of organic exhaust gas resource retracting device of plank frame | |
| CN205360649U (en) | Oil and gas recovery system | |
| CN203373140U (en) | Oil gas recovery system | |
| CN105771298A (en) | Condensing throttler | |
| CN206304534U (en) | Charcoal absorption condenses emission-control equipment | |
| CN105771431A (en) | Oil molecule trapper | |
| CN105861026A (en) | Residual oily gas recycling and treatment device and treatment method | |
| CN204134250U (en) | The organic waste gas purification recovery device of a kind of mixing | |
| CN105771299A (en) | Oil and gas pretreatment device | |
| CN114812700A (en) | Liquid hydrocarbon flow on-line monitoring equipment | |
| CN205796785U (en) | A kind of portable VOCs emergent treatment system | |
| CN205235705U (en) | Styrene exhaust treatment device | |
| CN204865444U (en) | Meticulous processing system in vapor recovery system rear end | |
| CN204380477U (en) | A kind of gas treatment equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Cheng Han Document name: Notification of Passing Examination on Formalities |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20180508 |