CN105253480A - Oil gas discharging device in oil pump room and oil gas discharging method using oil gas discharging device - Google Patents
Oil gas discharging device in oil pump room and oil gas discharging method using oil gas discharging device Download PDFInfo
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- CN105253480A CN105253480A CN201510565245.3A CN201510565245A CN105253480A CN 105253480 A CN105253480 A CN 105253480A CN 201510565245 A CN201510565245 A CN 201510565245A CN 105253480 A CN105253480 A CN 105253480A
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Abstract
The invention provides an oil gas discharging device and method in an oil pump room. The device comprises a filter, a sealed buffer tank, an oil gas discharging pipe and a first circulating pipeline, wherein the first circulating pipeline comprises a gas discharging branch pipe and a liquid discharging branch pipe; the gas discharged from the filter is discharged into the sealed buffer tank through the gas discharging branch pipe; the first circulating pipeline further comprises a first control valve, and the gas discharging branch pipe and the liquid discharging branch pipe are communicated with a gas discharging outlet of the filter through the first control valve; a second control valve is arranged on the liquid discharging branch pipe; an overflow pipe is arranged on the gas discharging branch pipe and provided with a liquid level detecting device; the liquid level detecting device detects the liquid level in the overflow pipe; when the liquid level in the overflow pipe reaches the highest point, the first control valve is closed, the second control valve is opened, and the liquid discharged from the filter is discharged into the sealed buffer tank through the liquid discharging branch pipe. The oil gas discharging device in the oil pump room and the oil gas discharging method have the advantages of being safe, environmentally friendly, efficient and low in cost.
Description
Technical field
The present invention relates to inflammable and combustible liquid Storing and conveying technical field, particularly relate to a kind of exhaust of oil method of oil pump room exhaust of oil device and this oil pump room exhaust of oil device of use.
Background technology
In " Code for design of petroleum depots ", inflammable and combustible liquid Design of Pump Station are explicitly called for, " pipeline between pump is imported and exported should be established high some blow off valve; when transportation of liquefied hydrocarbon, liquefied ammonia or other toxic liquid, the outlet of blow off valve should be connected to sealing blowdown system." as a rule, fuel transfer pump relatively more conventional in oil pump room has centrifugal pump and screw pump two kinds.The chargine line of fuel transfer pump also needs add fixed filter, filtering enters the objectionable impurities in valve body in oil, reduces the premature wear of equipment.
Need before the every task of fuel transfer pump to carry out the venting of height point to filter, discharge residual gas.Traditional exhaust of oil mode has two kinds, all cannot meet the requirement of " Code for design of petroleum depots ".One is place an oil drum on filter side, uses metal conduit or flexible pipe to extend in oil drum by filter exhaust mouth, carries out simple seal simultaneously to oil drum mouth.The oil product stored in oil drum is more or when filling, use instrument or merely dependence manpower transport also pour into oil sump, then uses oil pump the oil product in oil sump to be extracted again note and feeds back in oil pipe line.The second way uses metal conduit that freeing pipe is introduced trench, and the oil gas of discharge is in trench discharge chamber, and the oil product simultaneously overflowed introduces oil sump along trench, uses oil pump the oil product in oil sump to be extracted again note and feed back in oil pipe.
The first exhaust of oil mode above-mentioned, owing to use only easy sealing means, oil gas is directly emitted on indoor, and therefore in pump house, gas concentration raises rapidly the dangerous matter sources becoming combustion explosion, and the situation cannot observing liquid level in oil drum during exhaust easily occurs emitting excessive phenomenon; Easily cause secondary pollution during conveying oil tank simultaneously.Therefore, the dangerous property of the first exhaust of oil mode is high, efficiency is poor and be unfavorable for the shortcoming that operating personal is healthy.Above-mentioned the second exhaust of oil mode, because the open drain part of trench is directly exposed to indoor, so oil gas equally also can be exposed to indoor, and oil gas accumulates in the covered conduit of trench and is easy to reach explosion ratio, more dangerous.In sum, there is poor stability and easily cause the defect of environmental pollution in oil pump room exhaust of oil device of the prior art.
Summary of the invention
The invention provides a kind of oil pump room exhaust of oil device, be intended to overcome oil pump room exhaust of oil device of the prior art and there is poor stability and easily cause the defect of environmental pollution.
The invention provides a kind of oil pump room exhaust of oil device, comprising: filter, described filter is communicated with fuel transfer pump by the first delivery line;
Sealing buffer tank, described sealing buffer tank is communicated with filter by the first circulation line;
Exhaust of oil pipe, described exhaust of oil pipe is communicated with sealing buffer tank;
Wherein, described first circulation line comprises exhaust branch pipe and drain branch pipe; The gas that described filter is discharged enters described sealing buffer tank by exhaust branch pipe;
Described first circulation line also comprises the first control cock; Described drain branch pipe is communicated with filter exhaust mouth with exhaust branch pipe via described first control cock; Described drain branch pipe is also provided with the second control cock; Described exhaust branch pipe is provided with overflow pipe, described overflow pipe is provided with liquid level detection device; Described liquid level detection device detects the liquid level in described overflow pipe; When described overflow pipe reach the highest liquid level time, described first control cock is closed, and described second control cock is opened, and the liquid that described filter is discharged enters described sealing buffer tank by described drain branch pipe.
Further, described liquid level detection device is visor; One arrangement of mirrors sheet of described visor is arranged on described overflow pipe both sides along axisymmetrical.Operating personal can according to the liquid level in overflow pipe, Non-follow control first control cock and/or the second control cock easily.
Further, described liquid level detection device is level sensor; When the liquid level in described overflow pipe arrives vertex, level sensor exports electric signal to control module, and described control module generates and exports and controls electric signal to described first control cock and the second control cock; Described first control cock receives described control electric signal and closes, and described second control cock receives described control electric signal and opens.
Further, described exhaust of oil pipe is provided with the 3rd control cock; Oil resistance blow off valve is provided with between described 3rd control cock and sealing buffer tank.
For ensureing safety, the discharge side of described exhaust of oil pipe is provided with flame trap.
For realizing the recycling to oily medium, described sealing buffer tank is communicated with described first delivery line by the second circulation line, described second circulation line is provided with the 4th control cock and boiler check valve; The first circulation loop is formed between described filter, the first circulation line, oil gas buffer tank, the second circulation line, the first delivery line.
For detecting the reserves of oily medium in sealing buffer tank, in described sealing buffer tank, be provided with the liquidometer for detecting described sealing buffer tank liquid level; When described liquidometer detects sealing buffer tank arrival setting value, described 4th control cock is opened, and the liquid in described sealing buffer tank flows into described fuel transfer pump by the second circulation line, the first delivery line successively.
For realizing the independence companion heat to high condensation point, high viscosity oil, described first circulation line and sealing buffer tank are respectively arranged with trace pipe.
Further, described oil pump room exhaust of oil device comprises multiple stage filter and fuel transfer pump, and each described filter is the corresponding oil inlet place being arranged on fuel transfer pump respectively; Many that are communicated with each filter respectively described first circulation lines are communicated with described sealing buffer tank by discharge manifold.
Adopting oil pump room exhaust of oil device provided by the present invention, effectively the gas that filter discharges can be drained into outdoor, by arranging liquid level detection device, the state of discharging medium can be known exactly, realize accurately controlling; Simultaneously can the Efficient Cycle oily medium of cleaning that utilizes filter to discharge.
The present invention proposes a kind of exhaust of oil method adopting above-mentioned oil pump room exhaust gear simultaneously, comprises the following steps: (1) opens the exhausr port of described filter, keeps described first control cock to open, and the second control cock is closed; The gas of discharging in described filter enters described sealing buffer tank by described exhaust branch pipe; (2) described liquid level detection device detects the liquid level in described overflow pipe, when the liquid level in described overflow pipe peaks, described first control cock is closed, and the second control cock is opened, and the liquid of discharging in described filter enters described sealing buffer tank by described drain branch pipe; (3) described 3rd control cock is opened, and the gas entering described sealing buffer tank is discharged by described oil resistance blow off valve, the 3rd control cock, exhaust of oil pipe and flame trap successively; (4) described 4th control cock is closed; Described liquidometer detects the liquid level in described sealing buffer tank, when the liquid level in described sealing buffer tank reaches setting value, under described fuel transfer pump running state, described 4th control cock is opened, and the liquid in described sealing buffer tank flows into fuel transfer pump through described 4th control cock, boiler check valve, the second circulation line, the first delivery line.
Exhaust of oil method provided by the present invention, efficiently by outside oil gas discharge chamber, can eliminate the oil gas source of release in pump house.Avoid under operating personal is directly exposed to the oil and gas environments of high concentration, the work reduced for operating personal injures simultaneously.Meanwhile, the oily medium of spilling directly reclaims, and avoids because oil spilling is to the secondary pollution of pump house.Do not need extra power plant in operation, provide cost savings.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of oil pump room exhaust of oil device first embodiment proposed by the invention;
Fig. 2 is the structural representation of oil pump room exhaust of oil device second embodiment proposed by the invention.
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Shown in Figure 1 is the structural representation of oil pump room exhaust of oil device first embodiment provided by the present invention.As shown in Figure 1, the setting position of the exhaust of oil pipe 6 of oil pump room (canopy) is positioned at outside pump house, and its mouth of pipe exceeds terrace at least 4 meters around, exceeds pump house top face at least 1.5 meters.Exhaust of oil pipe 6 to be located in the sleeve pipe on pump house metope and to stretch out outside body of wall.Be provided with filter 1 and fuel transfer pump 3 in the oil pump room tapping equipment that the present embodiment provides, its middle filtrator 1 is communicated with the oil inlet of fuel transfer pump 3 by the first delivery line 2.Filter 1 radical function is the impurity in filtering oil product, reduces the infringement to fuel transfer pump 3 pump housing, extends the service life of fuel transfer pump 3.Fuel transfer pump 3 is centrifugal pump or screw pump, and other can realize the oil pump of function of the same race, does not limit at this.In order to ensure the normal use of fuel transfer pump 3, must be exhausted filter 1 before the every task of fuel transfer pump 3, therefore filter 1 being provided with exhausr port.Compared to traditional filter draining technology, sealing buffer tank 5 is also provided with in the oil pump room tapping equipment that the present embodiment provides, sealing buffer tank 5 is according to actual operating conditions determination volume, tank wall thickness, bottom edge board thickness and tightness, when avoiding discharging oil gas, oil gas is directly exposed to indoor, forms potential safety hazard.Sealing buffer tank 5 is communicated with by the first circulation line 4 with filter 1, and the oil gas that filter 1 gives off enters sealing buffer tank 5 by the first circulation line.The import of sealing buffer tank 5 is connected with filter 1 preferably by flange, is convenient to carry out when original equipment environment for use changes changing and adjusting, or keeps in repair equipment.
Due to filter 1 discharge oil gas time, gas put clean after have clean oil product and discharge from the discharge side of filter 1, therefore, the gas of discharge and liquid all need be imported and seal buffer tank 5.Shown in Figure 1, for exhaust of oil is comprised exhaust branch pipe 7 and drain branch pipe 8 to the first circulation line 4 sealing buffer tank 5.The gas that filter 1 is discharged enters sealing buffer tank 5 by exhaust branch pipe 7, and the liquid that filter 1 is discharged enters sealing buffer tank 5 by drain branch pipe 8.
Specifically, the first circulation line 4 is provided with the first control cock 9.Exhaust branch pipe 7, drain branch pipe 8 are communicated with filter 1 exhausr port via the first control cock 9.Open the first control cock 9, namely the gas that filter 1 is discharged or liquid can enter the first circulation line 4, and continue to flow into sealing buffer tank 5.Exhaust branch pipe 7 has one section of overflow pipe 11, when overflow pipe 11 fill oil product until spill-over time, namely the gas emptying in filter 1 is described.Now, the first control cock 9 is closed, and the second control cock 10 be arranged on drain branch pipe 8 is opened, and the liquid dielectric in overflow pipe 11 enters the first circulation line 4 by drain branch pipe 8 and flows into sealing buffer tank 5.
Wherein, the first control cock 9 and the second control cock 10 can be realized by manually actuated control valve, mechanically controlled valve or automatic controlling valve, and wherein the second control cock 10 is bypass disc.Meanwhile, overflow pipe 11 is also provided with liquid level detection device 12.
When the first control cock 9 and the second control cock 10 all adopt automatic controlling valve, liquid level detection device 12 can adopt contact or contactless liquid level sensor.Adopt this kind of scheme, in the electric cabinet or electric control chamber of oil pump room, be equipped with control module.First control cock 9 receives the electric signal that control module sends and opens, and filter 1 starts outside emission gases.Liquid level detection device 12 detects the liquid level in overflow pipe 11 simultaneously, when the liquid level in overflow pipe 11 peaks, liquid level detection device 12 exports electric signal to control module, control module outputs control signals to the first control cock 9 and the second control cock 10 respectively, control the first control cock 9 to close, second control cock 10 is opened, and the liquid dielectric in overflow pipe 11 is introduced the first circulation line 4 and imports sealing buffer tank 5.
When the first control cock 9 and the second control cock 10 all adopt mechanically controlled valve or manually actuated control valve, liquid level detection device 12 both can adopt contact or contactless liquid level sensor, also can be realized by one group of visor.Adopt one group of visor as liquid level detection device 12, visor eyeglass is separately positioned on the both sides of overflow pipe 11.Operator observes the liquid level in overflow pipe 11 by visor, when the liquid level in overflow pipe 11 peaks, illustrates that filter 1 is vented and terminates.Operator controls the first control cock 9 and closes, and the second control cock 10 is opened, and the liquid dielectric in overflow pipe 11 is introduced the first circulation line 4 and imported sealing buffer tank 5.
By the buffer memory of a period of time, be in the upper strata in tank by the first circulation line 4 oil gas flowed in sealing buffer tank 5, oily medium is in the lower floor in pipe.The exhaust of oil pipe 6 being in sealing buffer tank 5 tank deck is provided with between the 3rd control cock the 14, three control cock 14 and sealing buffer tank 5 and is also provided with oil resistance blow off valve 13.Open the 3rd control cock 14, in sealing buffer tank 5 tank, namely the oil gas on upper strata discharge by exhaust of oil pipe 6.Oil resistance blow off valve 13 can prevent oily medium from leaking.Oil resistance blow off valve 13 utilizes the buoyancy characteristic of valve inner float ball, if liquid level raises ball float and is subject to buoyancy and automatically floats in the process of exhaust, until contact valve-off with the sealing surface of exhausr port, can play the effect that discharge oil gas stops oily medium simultaneously.For the use safety of assurance device, the discharge side of exhaust of oil pipe 6 is provided with flame trap 20.
For the oily medium of recycle sealing buffer tank 5 Guan Nei lower floor, sealing buffer tank 5 is communicated with the first delivery line 2 by the second circulation line 21.Second circulation line 21 is provided with the 4th control cock 18.Under fuel transfer pump 3 running state, open the 4th control cock 18, namely the oily medium in sealing buffer tank 5 flows into the first delivery line 2 by the second circulation line 21, enters fuel transfer pump 3 more subsequently, forms the first circulation loop.Second circulation line 21 is also provided with boiler check valve 19, avoids the oily medium in the first delivery line 2 to flow back to sealing buffer tank 5.Same, the 4th control cock 18 also both can use manually actuated control valve also can use automatic controlling valve.Also be provided with liquidometer 17 in sealing buffer tank 5, when sealing the liquid level in buffer tank 5 and reaching setting value, liquidometer 17 exports electric signal to control module, and control module exports and controls electric signal to the 4th control cock 18, controls the 4th control cock 18 and automatically opens.Filter 1, first circulation line 4, between oil gas buffer tank 5, second circulation line 21 and the first delivery line 2, form the first circulation loop.
For realizing the independence companion heat when oil product has high condensation point, full-bodied characteristic, the first circulation line 4 being provided with the first trace pipe (not shown), in sealing buffer tank 5, being provided with the second trace pipe 16.Thus the tracing system avoided with oil line accompanies heat for a long time.
Shown in Figure 2 is the structural representation of oil pump room exhaust of oil device second embodiment provided by the present invention.As shown in Figure 2, the fuel transfer pump 3 that multiple stage is arranged in parallel and the filter 1 arranged with each fuel transfer pump 3 one_to_one corresponding is comprised.Many the first circulation lines 4 be communicated with each filter 1 are respectively communicated with sealing buffer tank 5 by discharge manifold 22.
The oil pump room exhaust of oil device that above-described embodiment provides, can drain into outdoor by the gas that filter discharges effectively, by arranging liquid level detection device, can know the state of discharging medium exactly, realizes accurately controlling; The cleaning oil medium that recycle filter is discharged can be realized simultaneously, avoid meaningless waste.
The present invention discloses a kind of method adopted as the oil pump room exhaust of oil device discharge oil gas disclosed in above-mentioned first embodiment, comprise the following steps:
1, open the exhausr port of described filter 1, keep the first control cock 9 to open, the second control cock 10 is closed; The gas of discharging in filter 1 enters sealing buffer tank 5 by exhaust branch pipe 7;
2, liquid level detection device 12 detects the liquid level in overflow pipe 11, and when the liquid level in overflow pipe 11 peaks, the first control cock 9 is closed, and the second control cock 10 is opened; The liquid of discharging in filter 1 enters sealing buffer tank 5 via exhaust branch pipe 7;
3, open the 3rd control cock 14, the gas entering sealing buffer tank 5 is discharged by oil resistance blow off valve 13, the 3rd control cock 14, exhaust of oil pipe 6 and flame trap 20 successively;
4, the 4th control cock 18 is closed, described liquidometer 17 detects the liquid level in sealing buffer tank 5, when sealing the liquid level in buffer tank 5 and reaching setting value, under fuel transfer pump 3 running state, 4th control cock 18 is opened, and the liquid in sealing buffer tank 5 flows into fuel transfer pump 3 via the 4th control cock 18, boiler check valve 19, second circulation line 21, first delivery line 2.
Exhaust of oil method provided by the present invention, efficiently by outside oil gas discharge chamber, can eliminate the oil gas source of release in pump house.Avoid under operating personal is directly exposed to the oil and gas environments of high concentration simultaneously, reduce the work Shanghai for operating personal.Meanwhile, the oily medium of spilling directly reclaims, and avoids because oil spilling is to the secondary pollution of pump house.Do not need extra power plant in operation, provide cost savings.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. an oil pump room exhaust of oil device, is characterized in that, comprising:
Filter, described filter is communicated with fuel transfer pump by the first delivery line;
Sealing buffer tank, described sealing buffer tank is communicated with filter by the first circulation line;
Exhaust of oil pipe, described exhaust of oil pipe is communicated with sealing buffer tank;
Wherein, described first circulation line comprises exhaust branch pipe and drain branch pipe; The gas that described filter is discharged enters described sealing buffer tank by exhaust branch pipe;
Described first circulation line also comprises the first control cock; Described drain branch pipe is communicated with filter exhaust mouth with exhaust branch pipe via described first control cock; Described drain branch pipe is also provided with the second control cock; Described exhaust branch pipe is provided with overflow pipe, described overflow pipe is provided with liquid level detection device; Described liquid level detection device detects the liquid level in described overflow pipe; When described overflow pipe reach the highest liquid level time, described first control cock is closed, and described second control cock is opened, and the liquid that described filter is discharged enters described sealing buffer tank by described drain branch pipe.
2. oil pump room exhaust of oil device according to claim 1, is characterized in that, described liquid level detection device is visor; One arrangement of mirrors sheet of described visor is arranged on described overflow pipe both sides along axisymmetrical.
3. oil pump room exhaust of oil device according to claim 1, is characterized in that, described liquid level detection device is level sensor; When the liquid level in described overflow pipe arrives vertex, level sensor exports electric signal to control module, and described control module generates and exports and controls electric signal to the first control cock and the second control cock; Described first control cock receives described control electric signal and closes, and described second control cock receives described control electric signal and opens.
4. oil pump room exhaust of oil device according to claim 1, is characterized in that, described exhaust of oil pipe is provided with the 3rd control cock; Oil resistance blow off valve is provided with between described 3rd control cock and sealing buffer tank.
5. oil pump room exhaust of oil device according to claim 4, is characterized in that, the discharge side of described exhaust of oil pipe is provided with flame trap.
6. oil pump room exhaust of oil device according to claim 4, is characterized in that, described sealing buffer tank is communicated with described first delivery line by the second circulation line, described second circulation line is provided with the 4th control cock and boiler check valve; The first circulation loop is formed between described filter, the first circulation line, oil gas buffer tank, the second circulation line, the first delivery line.
7. oil pump room exhaust of oil device according to claim 6, is characterized in that, is provided with the liquidometer for detecting described sealing buffer tank liquid level in described sealing buffer tank; When the described liquidometer liquid level detected in sealing buffer tank arrives setting value, described 4th control cock is opened, and the liquid in described sealing buffer tank flows into described fuel transfer pump by the second circulation line, the first delivery line successively.
8. oil pump room exhaust of oil device according to claim 7, is characterized in that, described first circulation line and sealing buffer tank are respectively arranged with trace pipe.
9. the oil pump room exhaust of oil device according to any one of claim 1 or 8, it is characterized in that, described filter and fuel transfer pump include multiple stage, and each described filter is the corresponding oil inlet place being arranged on described fuel transfer pump respectively; Many that are communicated with each filter respectively described first circulation lines are communicated with described sealing buffer tank by discharge manifold.
10. adopt a method for oil pump room exhaust of oil device as claimed in claim 7 discharge oil gas, it is characterized in that, comprise the following steps: (1) opens described filter exhaust mouth, keep described first control cock to open, the second control cock is closed; The gas of discharging in described filter enters described sealing buffer tank by described exhaust branch pipe; (2) described liquid level detection device detects the liquid level in described overflow pipe, when the liquid level in described overflow pipe peaks, described first control cock is closed, and the second control cock is opened, and the liquid of discharging in described filter enters described sealing buffer tank by described drain branch pipe; (3) described 3rd control cock is opened, and the gas entering described sealing buffer tank is discharged by described oil resistance blow off valve, the 3rd control cock, exhaust of oil pipe and flame trap successively; (4) described 4th control cock is closed; Described liquidometer detects the liquid level in described sealing buffer tank, when the liquid level in described sealing buffer tank reaches setting value, under described fuel transfer pump running state, described 4th control cock is opened, and the liquid in described sealing buffer tank flows into fuel transfer pump through described 4th control cock, boiler check valve, the second circulation line, the first delivery line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565245.3A CN105253480B (en) | 2015-09-08 | 2015-09-08 | A kind of oil pump room exhaust of oil device and use its exhaust of oil method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510565245.3A CN105253480B (en) | 2015-09-08 | 2015-09-08 | A kind of oil pump room exhaust of oil device and use its exhaust of oil method |
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| CN105253480A true CN105253480A (en) | 2016-01-20 |
| CN105253480B CN105253480B (en) | 2017-10-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835087A (en) * | 2018-08-15 | 2020-02-25 | 中国石油天然气股份有限公司 | Oil discharge system exhaust apparatus and oil discharge system |
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