CN105890687A - Precision metering device for oil product unloading - Google Patents
Precision metering device for oil product unloading Download PDFInfo
- Publication number
- CN105890687A CN105890687A CN201610473935.0A CN201610473935A CN105890687A CN 105890687 A CN105890687 A CN 105890687A CN 201610473935 A CN201610473935 A CN 201610473935A CN 105890687 A CN105890687 A CN 105890687A
- Authority
- CN
- China
- Prior art keywords
- valve
- pipeline
- oil product
- unloading
- coriolis mass
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/84—Coriolis or gyroscopic mass flowmeters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
Abstract
A precision metering device for oil product unloading relates to an oil product unloading and metering device, and comprises an unloading part, a precision metering part and an oil product conveying part, wherein the unloading part comprises a movable joint (13), a movable joint (14), a cut-off valve (12), a cut-off ball valve (15), a dehydration coalescer (17), a pipeline pump and explosion-proof motor (9), a pipeline pump overline valve and pipeline (8), and a single-way valve and pipeline (11); the precision metering part comprises a Coriolis mass flowmeter (5), a transducer and plug connection cable (4), and a feed cut-off valve (3); the oil product conveying part comprises an oil product storage tank (1), a storage tank cut-off valve (2), and a cut-off valve and pipeline (7). According to the precision metering device provided by the invention, not only the invest is reduced, but also the labor intensity of workers is lowered, moreover, production, long-period safe running of a storing and transporting device, as well as oil discharging efficiency are ensured.
Description
[technical field]
The present invention relates to a kind of oil product unload metering device, especially relate to a kind of oil product and unload precision metering device.
[background technology]
Known, the oil product storage of petroleum chemical industry, sales process all be unable to do without oil article vehicle, unloading unit.Tank wagon transport more too busy to get away entrucking, unloading unit, tank wagon transport enterprise, in order to improve vehicle utilization rate, often transports multiple logistics, also often oil tank is carried out steaming pot process, cause oil tank water phenomenon；In oil product transportation, oil product measures generally by weighbridge, easily produces error in dipping, causes logistics to lose；The situation that oil product storage device the most often occurs tank boil-overs, pours in down a chimney, most of petrochemical enterprises use man-to-man unloading system, and feeding line does not interfere with each other with going out stockline.On the one hand causing a large amount of wastes of resource, on the other hand accident condition, handover operation bothers, under efficiency.
[summary of the invention]
In order to overcome the deficiency in background technology, the open a kind of oil product of the present invention is unloaded precision metering device, the present invention realizes oil dehydrating by part of unloading and unloads, accurately measured by delicate metering part, safe unload, the implement tank switching of emergency, outward transport is carried out by oil product transport portion and part of unloading, both save investment, reduced again labor strength, ensure that production, storage and transportation apparatus long period safe operation and oil discharging rate simultaneously.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of oil product is unloaded precision metering device, including part, delicate metering part and the oil product transport portion of unloading, part of unloading includes articulation and articulation, stop valve and cutting ball valve, dehydration coalescer, pipeline pump and fire-proof motor, pipeline pump cross-line valve and pipeline, pipeline pump pressure table, check valve and pipeline；Delicate metering part includes coriolis mass flowmeters, effusion meter cross-line valve, transmitter and connects multi-plug cable；Oil product transport portion includes oil product storage tank, tank cutoff valve, Feed Shut-Off valve and stop valve and pipeline；Part of unloading is connected with coriolis mass flowmeters entrance by check valve and pipeline with delicate metering part；Articulation, stop valve are connected with coriolis mass flowmeters entrance by pipeline；Part of unloading is connected by stop valve and pipeline with oil product transport portion；Delicate metering part is connected with coriolis mass flowmeters outlet by Feed Shut-Off valve with oil product transport portion.
Described oil product is unloaded precision metering device, the articulation of part of unloading is connected on cutting ball valve one end, the cutting ball valve other end is connected with the entrance of dehydration coalescer, the outlet of dehydration coalescer is connected with the entrance of pipeline pump and fire-proof motor, Pressure gauge is arranged on the outlet conduit of pipeline pump and fire-proof motor, and the outlet of pipeline pump and fire-proof motor is connected with the entrance of check valve and pipeline；Articulation is directly connected with stop valve, and the stop valve other end is connected with the outlet of pipeline pump and fire-proof motor.
Described oil product is unloaded precision metering device, and the two ends of effusion meter cross-line valve of delicate metering part are connected with the two ends pipeline of coriolis mass flowmeters, transmitter and connect multi-plug cable and be arranged on coriolis mass flowmeters and reserve in socket.
Described oil product is unloaded precision metering device, and the oil product storage tank charging aperture of oil product transport portion is connected with tank cutoff valve one end, and the tank cutoff valve other end is connected with Feed Shut-Off valve；The two ends of stop valve and pipeline are connected with Feed Shut-Off valve, pipeline pump and fire-proof motor entrance respectively.
Described oil product is unloaded precision metering device, transmitter and connect the cable of multi-plug cable and be connected with central control room instrument, transmits the signal of coriolis mass flowmeters.
Owing to using technical scheme as above, there is advantages that
Oil product of the present invention is unloaded precision metering device, concrete effect is as follows: 1, Quick-unloading: to the oil product special transportation vehicle liking the good client of credit, product quality analysis is reported accurately and reliably, use Quick-unloading scheme, will the connecting tube of special transportation vehicle be connected with articulation, measure through delicate metering part, use the delivery pump of special transportation vehicle to carry out car unloading operation；Have and unload the advantage that vehicle speed is fast, efficiency of unloading is high.
2, dehydration is unloaded: for non-oil product special transportation vehicle, use the scheme of unloading being carried out processed by dehydration coalescer, will the connecting tube of special transportation vehicle be connected with articulation, connecting pipe pump cross-line valve and pipeline, measure through delicate metering part, use the delivery pump of special transportation vehicle to carry out car unloading operation；Pipeline pump cross-line valve and pipeline can also be closed, the connecting tube of special transportation vehicle is connected with articulation, carry out processed and the metering of delicate metering part through dehydration coalescer, utilize the pipeline pump of this device and fire-proof motor to carry out car unloading operation；Water and the impurity of remaining got rid of by the coalescer drain valve first opening dehydration coalescer before operation, slowly gets rid of internal gas with coalescer air bleeding valve during unloading.
3, quick tank switching: if oil product storage tank needs to carry out tank switching operation, opening and closing tank cutoff valve, Feed Shut-Off valve, stop valve and the conveying flow process of pipeline can be switched, close effusion meter cross-line valve, Feed Shut-Off ball valve, stop valve and pipeline pump cross-line valve and pipeline, carry out tank switching operation by pipeline pump and fire-proof motor.
4, entrucking outward transport: raw material is sold when having profit or need outward transport, entrucking outward transport can be carried out, open the conveying flow process of tank cutoff valve, stop valve and pipeline, close Feed Shut-Off valve, effusion meter cross-line valve, Feed Shut-Off ball valve and pipeline pump cross-line valve and pipeline, carry out entrucking outward transport by pipeline pump and fire-proof motor and stop valve, articulation.
5, delicate metering: coriolis mass flowmeters directly measures mass flow, has the highest measuring accuracy.The vibration measuring pipe is little, measures without hindrance part and movable part in pipeline.Reply is met stream velocity flow profile insensitive, thus without upstream and downstream straight length requirement.Measured value fluid viscosity is insensitive, and the impact that measured value must be worth by fluid density change is small.Measuring multiple parameters can be done, as the same period measures density, carry out remote transmission, detection.
The present invention realizes oil dehydrating by part of unloading and unloads, accurately measured by delicate metering part, safe unload, the implement tank switching of emergency, outward transport is carried out by oil product transport portion and part of unloading, both investment had been saved, reduce again labor strength, ensure that production, storage and transportation apparatus long period safe operation and oil discharging rate simultaneously.
[accompanying drawing explanation]
Fig. 1 is the process chart of the present invention
In figure: 1, oil product storage tank；2, tank cutoff valve；3, Feed Shut-Off valve；4, transmitter and connection multi-plug cable；5, coriolis mass flowmeters；6, effusion meter cross-line valve；7, stop valve and pipeline；8, pipeline pump cross-line valve and pipeline；9, pipeline pump and fire-proof motor；10, Pressure gauge；11, check valve；12, stop valve；13, articulation；14, articulation；15, Feed Shut-Off ball valve；16, coalescer drain valve；17, dehydration coalescer；18, coalescer air bleeding valve.
[detailed description of the invention]
Can be explained in more detail the present invention by the following examples, the open purpose of the present invention is intended to all changes and improvements in the protection scope of the invention, the invention is not limited in the following examples；
Unload precision metering device in conjunction with the oil product described in accompanying drawing 1, including part, delicate metering part and the oil product transport portion of unloading, it is characterised in that: part of unloading includes articulation 14 and articulation 13, stop valve 12 and cutting ball valve 15, dehydration coalescer 16, pipeline pump and fire-proof motor 9, pipeline pump cross-line valve and pipeline 8, pipeline pump pressure table 10, check valve and pipeline 11；Delicate metering part includes coriolis mass flowmeters 5, effusion meter cross-line valve 6, transmitter and connects multi-plug cable 4；Oil product transport portion includes oil product storage tank 1, tank cutoff valve 2, Feed Shut-Off valve 3 and stop valve and pipeline 7；Part of unloading is connected with coriolis mass flowmeters 5 entrance by check valve and pipeline 11 with delicate metering part；Articulation 13, stop valve 12 are connected with coriolis mass flowmeters 5 entrance by pipeline；Part of unloading is connected by stop valve and pipeline 7 with oil product transport portion；Delicate metering part is connected with coriolis mass flowmeters 5 outlet by Feed Shut-Off valve 3 with oil product transport portion.
The articulation 14 of part of unloading is connected on cutting ball valve 15 one end, cutting ball valve 15 other end is connected with the entrance of dehydration coalescer 17, the outlet of dehydration coalescer 17 is connected with the entrance of pipeline pump and fire-proof motor 9, Pressure gauge 10 is arranged on the outlet conduit of pipeline pump and fire-proof motor 9, and the outlet of pipeline pump and fire-proof motor 9 is connected with the entrance of check valve and pipeline 11；Articulation 13 is directly connected with stop valve 12, and stop valve 12 other end is connected with the outlet of pipeline pump and fire-proof motor 9.
The two ends of effusion meter cross-line valve 6 of delicate metering part are connected with the two ends pipeline of coriolis mass flowmeters 5, and transmitter and connection multi-plug cable 4 are arranged on coriolis mass flowmeters 5 and reserve in socket.
Oil product storage tank 1 charging aperture of oil product transport portion is connected with tank cutoff valve 2 one end, and tank cutoff valve 2 other end is connected with Feed Shut-Off valve 3；The two ends of stop valve and pipeline 7 are connected with Feed Shut-Off valve 3, pipeline pump and fire-proof motor 8 entrance respectively.
The cable of transmitter and connection multi-plug cable 4 is connected with central control room instrument, the signal of transmission coriolis mass flowmeters 5.
Car unloading operation: to as if the oil product special transportation vehicle of the good client of credit, product quality analysis is reported accurately and reliably, uses Quick-unloading scheme.The connecting tube of special transportation vehicle is connected with articulation 13, open tank cutoff valve 2, Feed Shut-Off valve 3, close effusion meter cross-line valve 6, stop valve and pipeline 7, pipeline pump cross-line valve and pipeline 8, cutting ball valve 15, measure through coriolis mass flowmeters 5, utilize the delivery pump of haulage vehicle by feedstock transportation to oil product storage tank 1.
Dehydration car unloading operation: object is non-oil product special transportation vehicle, uses the scheme of unloading being carried out processed by dehydration coalescer 17.Water and the impurity of remaining got rid of by the coalescer drain valve 16 first opening dehydration coalescer 17, slowly gets rid of internal gas with coalescer air bleeding valve 18 during unloading；Again the connecting tube of special transportation vehicle is connected with articulation 14, open stop valve 12, tank cutoff valve 2, Feed Shut-Off valve 3, close effusion meter cross-line valve 6, stop valve and pipeline 7, pipeline pump cross-line valve and pipeline 8, cutting ball valve 15, measure through coriolis mass flowmeters 5, by the feedstock transportation of raw material carrier vehicle to oil product storage tank 1.
Tank switching operation: if oil product storage tank 1 needs to carry out tank switching operation, opening and closing tank cutoff valve 2, Feed Shut-Off valve 3, stop valve and the conveying flow process of pipeline 7 can be switched, close effusion meter cross-line valve 6, Feed Shut-Off ball valve 15, stop valve 12 and pipeline pump cross-line valve and pipeline 8, carry out tank switching operation by pipeline pump and fire-proof motor 9.
Entrucking is transported outward: raw material is sold when having profit or need outward transport, entrucking outward transport can be carried out, open the conveying flow process of tank cutoff valve 2, stop valve and pipeline 7, close Feed Shut-Off valve 3, effusion meter cross-line valve 6, Feed Shut-Off ball valve 15 and pipeline pump cross-line valve and pipeline 8, carry out entrucking outward transport by pipeline pump and fire-proof motor 9 and stop valve 12, articulation 13.
Part not in the detailed description of the invention is prior art.
Claims (5)
1. an oil product is unloaded precision metering device, including part, delicate metering part and the oil product transport portion of unloading, it is characterized in that: part of unloading includes articulation (14) and articulation (13), stop valve (12) and cutting ball valve (15), dehydration coalescer (16), pipeline pump and fire-proof motor (9), pipeline pump cross-line valve and pipeline (8), pipeline pump pressure table (10), check valve and pipeline (11)；Delicate metering part includes coriolis mass flowmeters (5), effusion meter cross-line valve (6), transmitter and connects multi-plug cable (4)；Oil product transport portion includes oil product storage tank (1), tank cutoff valve (2), Feed Shut-Off valve (3) and stop valve and pipeline (7)；Part of unloading is connected with coriolis mass flowmeters (5) entrance by check valve and pipeline (11) with delicate metering part；Articulation (13), stop valve (12) are connected with coriolis mass flowmeters (5) entrance by pipeline；Part of unloading is connected by stop valve and pipeline (7) with oil product transport portion；Delicate metering part is connected with coriolis mass flowmeters (5) outlet by Feed Shut-Off valve (3) with oil product transport portion.
Oil product the most according to claim 1 is unloaded precision metering device, it is characterized in that: the articulation (14) of part of unloading is connected on cutting ball valve (15) one end, cutting ball valve (15) other end is connected with the entrance of dehydration coalescer (17), the outlet of dehydration coalescer (17) is connected with the entrance of pipeline pump and fire-proof motor (9), Pressure gauge (10) is arranged on the outlet conduit of pipeline pump and fire-proof motor (9), and the outlet of pipeline pump and fire-proof motor (9) is connected with the entrance of check valve and pipeline (11)；Articulation (13) is directly connected with stop valve (12), and stop valve (12) other end is connected with the outlet of pipeline pump and fire-proof motor (9).
Oil product the most according to claim 1 is unloaded precision metering device, it is characterized in that: the two ends of effusion meter cross-line valve (6) of delicate metering part are connected with the two ends pipeline of coriolis mass flowmeters (5), transmitter and connection multi-plug cable (4) are arranged in the reserved socket of coriolis mass flowmeters (5).
Oil product the most according to claim 1 is unloaded precision metering device, it is characterized in that: oil product storage tank (1) charging aperture of oil product transport portion is connected with tank cutoff valve (2) one end, and tank cutoff valve (2) other end is connected with Feed Shut-Off valve (3)；The two ends of stop valve and pipeline (7) are connected with Feed Shut-Off valve (3), pipeline pump and fire-proof motor (8) entrance respectively.
Oil product the most according to claim 1 is unloaded precision metering device, it is characterized in that: transmitter and connect the cable of multi-plug cable (4) and be connected with central control room instrument, transmits the signal of coriolis mass flowmeters (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473935.0A CN105890687A (en) | 2016-06-27 | 2016-06-27 | Precision metering device for oil product unloading |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610473935.0A CN105890687A (en) | 2016-06-27 | 2016-06-27 | Precision metering device for oil product unloading |
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| CN105890687A true CN105890687A (en) | 2016-08-24 |
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| CN201610473935.0A Pending CN105890687A (en) | 2016-06-27 | 2016-06-27 | Precision metering device for oil product unloading |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641732A (en) * | 2017-02-24 | 2017-05-10 | 中国石油天然气集团公司 | Product oil loading metering adjusting device |
| CN106895262A (en) * | 2017-02-24 | 2017-06-27 | 中国石油天然气集团公司 | A kind of flow regulator and flow rate adjusting method for product oil entrucking |
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| CN106895262B (en) * | 2017-02-24 | 2018-08-31 | 中国石油天然气集团公司 | A kind of flow regulator and flow rate adjusting method for product oil entrucking |
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Application publication date: 20160824 |
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