CN204979829U - Outer top crude oil storage tank equipment that floats - Google Patents
Outer top crude oil storage tank equipment that floats Download PDFInfo
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- CN204979829U CN204979829U CN201520385616.5U CN201520385616U CN204979829U CN 204979829 U CN204979829 U CN 204979829U CN 201520385616 U CN201520385616 U CN 201520385616U CN 204979829 U CN204979829 U CN 204979829U
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Abstract
The utility model relates to a crude oil storage tank liquid level measurement field discloses an outer top crude oil storage tank equipment that floats, and this equipment includes: floating plate liquid level calibrating device (2) for measure the liquid level height of storage tank floating plate sample connection department, metering device (3) are used for measuring liquid level height in the storage tank meter buret of metering device (3), calibrating device at zero point (1) is used for measuring storage tank jar wall top that the floating plate sample connection corresponds with the difference in height on the storage tank jar wall top that storage tank meter buret corresponds. Utilize the utility model discloses an equipment can show the metering error who reduces because of the jam of storage tank meter buret causes, can float the crude oil liquid level height in the storage tank of top outward by the precision measurement.
Description
Technical field
The utility model relates to crude oil storage tank level gauging field, particularly, relates to a kind of outer floating roof crude oil storage tank equipment for accurately measuring crude oil liquid level.
Background technology
At present, outer floating roof crude oil storage tank is only measured crude oil liquid level in storage tank by tank measurements pipe.But, by the impact of crude oil heavy constituent sedimentation, storage tank bottom easily piles up a large amount of greasy filth and other impurity, causes the lower end opening blocking of tank measurements pipe, thus make the actual liquid level height of crude oil in the liquid level in tank measurements pipe and External floating roof tank inconsistent, cause metering error.
Therefore, research and develop a kind of outer floating roof crude oil storage tank equipment accurately can measuring crude oil liquid level, practical operation is had important practical significance.
Utility model content
The purpose of this utility model is to overcome in prior art because tank measurements blockage causes crude oil liquid level in outer floating roof crude oil storage tank to there is the defect of metering error, a kind of outer floating roof crude oil storage tank equipment is provided, utilize this equipment significantly can reduce metering error because tank measurements blockage causes, accurately can measure the crude oil liquid level in External floating roof tank.
Therefore, to achieve these goals, the utility model provides a kind of outer floating roof crude oil storage tank equipment, and described equipment comprises:
Floating plate liquid level calibrating installation, for measuring the liquid level at storage tank floating plate sample tap place;
Gauging device, for measuring the liquid level in the tank measurements pipe of described gauging device;
Zero point correction device, for measuring the diff-H on storage tank shell top corresponding to described floating plate sample tap and storage tank shell top corresponding to described tank measurements pipe.
Preferably, described zero point correction device comprises the graduated U-shaped pipe of mark, the vertical pipe at described U-shaped pipe two ends is fitted respectively, and the described floating plate sample tap storage tank shell corresponding with described tank measurements pipe is vertical to be arranged, and the top of the vertical pipe at described U-shaped pipe two ends is not less than the top of storage tank shell, is preferably not less than the gage zero of tank measurements pipe further.
Preferably, described U-shaped pipe is n, and the vertical pipe of one end of described n U-shaped pipe storage tank shell corresponding to described tank measurements pipe of all fitting vertically is arranged, and the vertical pipe of the other end of described n U-shaped pipe storage tank shell corresponding to n floating plate sample tap of fitting respectively is vertically arranged, wherein, n >=1.
Preferably, n is 2-4.
Preferably, the vertical pipe of the one end of the vertically disposed n of the storage tank shell U-shaped pipe that described laminating tank measurements pipe is corresponding is an identical vertical pipe.
Preferably, described floating plate liquid level calibrating installation comprises the measuring stick can finely tuned in vertical dimension, described measuring stick storage tank shell corresponding to described floating plate sample tap of fitting vertically is arranged, one end of described measuring stick is arranged at described floating plate sample tap place, and the height of the other end of described measuring stick is not less than the top of storage tank shell, be preferably not less than the gage zero of tank measurements pipe further.
Preferably, described floating plate liquid level calibrating installation also comprises level indicator, is horizontality between measuring stick scale and tank skin top when described level indicator to be arranged on measuring stick for keeping reading.
Preferably, described level indicator is spirit level.
Preferably, described gauging device is tank measurements pipe.
When utilizing crude oil liquid level in outer floating roof crude oil storage tank device measuring storage tank of the present utility model, effectively can reduce the metering error because tank measurements blockage causes, accurately can measure the crude oil liquid level in outer floating roof crude oil storage tank.And outer floating roof crude oil storage tank device structure of the present utility model is simple, handled easily.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Fig. 1 is the perspective view of the outer floating roof crude oil storage tank equipment of a kind of preferred implementation of the present utility model.
Fig. 2 is the structural representation of the outer floating roof crude oil storage tank equipment adopting a kind of preferred implementation of the present utility model.
Description of reference numerals
1 zero point correction device; 2 floating plate liquid level calibrating installations; 3 gauging devices.
Detailed description of the invention
Below in conjunction with Fig. 1-2, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of outer floating roof crude oil storage tank equipment, and this equipment comprises:
Floating plate liquid level calibrating installation 2, for measuring the liquid level at storage tank floating plate sample tap place;
Gauging device 3, for measuring the liquid level in the tank measurements pipe of described gauging device 3;
Zero point correction device 1, for measuring the diff-H on storage tank shell top corresponding to described floating plate sample tap and storage tank shell top corresponding to described tank measurements pipe.
In the utility model, for zero point correction device 1, there is no particular limitation, as long as the diff-H on storage tank shell top corresponding to floating plate sample tap and storage tank shell top corresponding to tank measurements pipe can be measured, under preferable case, zero point correction device 1 comprises the graduated U-shaped pipe of mark, the vertical pipe at U-shaped pipe two ends is fitted respectively, and the floating plate sample tap storage tank shell corresponding with tank measurements pipe is vertical to be arranged, and the top of the vertical pipe at U-shaped pipe two ends is not less than the top of storage tank shell, is preferably not less than the gage zero of tank measurements pipe further.It will be understood by those skilled in the art that conveniently reading, the scale mark of U-shaped pipe is not less than the top of storage tank shell, is preferably not less than the gage zero of tank measurements pipe.
In the utility model, in order to measure the crude oil liquid level in outer floating roof crude oil storage tank more accurately, under preferable case, U-shaped pipe is n, and the vertical pipe of one end of described n U-shaped pipe storage tank shell corresponding to tank measurements pipe of all fitting vertically is arranged, and the vertical pipe of the other end of described n U-shaped pipe storage tank shell corresponding to n floating plate sample tap of fitting respectively is vertically arranged, wherein, n >=1, further preferably, n is 2-4.Again further preferably, the vertical pipe of the one end of the vertically disposed n of the storage tank shell U-shaped pipe that tank measurements pipe of fitting is corresponding is an identical vertical pipe.Wherein, described n floating plate sample tap can be arbitrary n floating plate sample tap in the floating plate sample tap that storage tank is arranged, in order to measure the crude oil liquid level in outer floating roof crude oil storage tank more accurately, described n floating plate sample tap is preferably uniformly distributed on storage tank floating plate.
In the utility model, for floating plate liquid level calibrating installation 2, there is no particular limitation, as long as the liquid level at storage tank floating plate sample tap place can be measured, under preferable case, floating plate liquid level calibrating installation 2 comprises the measuring stick can finely tuned in vertical dimension, the storage tank shell that measuring stick laminating floating plate sample tap is corresponding is vertically arranged, one end of measuring stick is arranged at floating plate sample tap place, and the height of the other end of measuring stick is not less than the top of storage tank shell, be preferably not less than the gage zero of tank measurements pipe further.
In the utility model, under preferable case, the number of measuring stick is n, wherein, and n >=1; Further preferably, n is 2-4.
It will be understood by those skilled in the art that when U-shaped pipe is n, the number of measuring stick is also n, and the corresponding respectively floating plate sample tap of n U-shaped pipe and n measuring stick to distinguish corresponding floating plate sample tap identical.
In the utility model, under preferable case, floating plate liquid level calibrating installation 2 also comprises level indicator, is horizontality between measuring stick scale and tank skin top when level indicator to be arranged on measuring stick for keeping reading.Further preferably, level indicator is spirit level.
In the utility model, under preferable case, gauging device 3 is tank measurements pipe.
When adopting crude oil liquid level in the outer floating roof crude oil storage tank of outer floating roof crude oil storage tank device measuring of the present utility model, can adopt with the following method:
(1) zero point correction device 1 is adopted to measure the height difference H on storage tank shell top corresponding to floating plate sample tap and storage tank shell top corresponding to tank measurements pipe;
(2) adopt floating plate liquid level calibrating installation 2 to measure the liquid level h at storage tank floating plate sample tap place, calibrate described liquid level h by the height difference H of step 1, obtain the liquid level h ' after calibrating;
(3) the liquid level h1 of crude oil in the tank measurements pipe adopting gauging device 3 to measure described gauging device 3;
(4) if | h '-h1|≤5mm, the then liquid level will the liquid level h1 that measures of gauging device 3 being adopted as crude oil in storage tank; If | h '-h1| > 5mm, then using the liquid level of the liquid level h ' after calibration as crude oil in storage tank.
Wherein, in said method, the structure of zero point correction device 1, floating plate liquid level calibrating installation 2 and gauging device 3 as previously mentioned, does not repeat them here.
Wherein, in step (1), the method of measured altitude difference H comprises: in the vertical pipe of the U-shaped pipe of zero point correction device 1, be filled with water, obtain the difference of electrolyte level and the corresponding tank skin tip height in the vertical pipe at U-shaped pipe two ends respectively, thus acquisition H.It will be understood by those skilled in the art that when n >=1, described height difference H is the aviation value of n difference.
Wherein, in step (2), the method measuring liquid level h comprises: utilize measuring stick, U-shaped pipe and tank measurements pipe obtain floating plate sample tap place crude oil liquid level to tank measurements pipe gage zero height between vertical Ullage, and then obtain liquid level.Particularly, can by the U-shaped pipe of tank measurements pipe and setting, the scale that one end vertical pipe corresponding with tank measurements pipe of acquisition U-shaped pipe maintains an equal level mutually with the gage zero height of tank measurements pipe, and then the scale that the other end vertical pipe of acquisition U-shaped pipe maintains an equal level mutually with the gage zero height of tank measurements pipe, then obtain by described U-shaped pipe and the measuring stick corresponding with identical floating plate sample tap the scale that measuring stick maintains an equal level mutually with the gage zero height of tank measurements pipe, and then obtain described floating plate sample tap place crude oil liquid level to tank measurements pipe gage zero height between vertical Ullage s, vertical Ullage L between the gage zero height of known tank measurements pipe to storage tank bottom, and then obtain liquid level h, h=L-s.It will be understood by those skilled in the art that when n >=1, i.e., during number n >=1 of measuring stick, for a described n measuring stick, obtain the liquid level that each measuring stick is measured respectively, described liquid level h is the aviation value of n liquid level.
Preferably, the method measuring liquid level h also comprises: be horizontality between measuring stick scale and tank skin top when arranging level indicator for keeping reading on measuring stick.
In the utility model, with height difference H calibration liquid level h, the method obtaining the liquid level h ' after calibrating is conventionally known to one of skill in the art, such as can comprise: obtain the difference H ' that the height residing for storage tank shell top corresponding to tank measurements pipe deducts the height residing for storage tank shell top corresponding to floating plate sample tap, then h '=H '+h.
Wherein, in step (3), in the tank measurements pipe of measuring device 3, the method for the liquid level h1 of crude oil is conventionally known to one of skill in the art, does not repeat them here.
In a preferred embodiment, as depicted in figs. 1 and 2, outer floating roof crude oil storage tank equipment of the present utility model comprises: floating plate liquid level calibrating installation 2, for measuring the liquid level at storage tank floating plate sample tap place; Gauging device 3, for the liquid level in the tank measurements pipe of measuring device 3; Zero point correction device 1, for measuring the diff-H on storage tank shell top corresponding to floating plate sample tap and storage tank shell top corresponding to tank measurements pipe.
Wherein, zero point correction device 1 comprises n the graduated U-shaped pipe of mark, the vertical pipe of one end of described n U-shaped pipe is an identical vertical pipe, and storage tank shell corresponding to laminating tank measurements pipe is vertically arranged, the vertical pipe of the other end of described n U-shaped pipe storage tank shell corresponding to n floating plate sample tap of fitting respectively is vertically arranged, and the top of the vertical pipe at described n U-shaped pipe two ends all maintains an equal level with the gage zero of tank measurements pipe.
Wherein, spirit level for horizontality between measuring stick scale and tank skin top when floating plate liquid level calibrating installation 2 comprises measuring stick that n can finely tune in vertical dimension and to be arranged on measuring stick for keeping reading, described n measuring stick storage tank shell corresponding to n floating plate sample tap of fitting respectively is vertically arranged, and the corresponding respectively floating plate sample tap of described n measuring stick and described n U-shaped pipe to distinguish corresponding floating plate sample tap identical, one end of a described n measuring stick is arranged at described n floating plate sample tap place respectively, and the height of the other end of a described n measuring stick all maintains an equal level with the gage zero of tank measurements pipe.Wherein, n is 2-4.
Wherein, gauging device 3 is tank measurements pipe.
Particularly, when measuring crude oil liquid level in outer floating roof crude oil storage tank, in zero point correction device 1, being filled with water, liquid level is in U-shaped pipe vertical pipe.Obtain the difference of electrolyte level in the vertical pipe at each U-shaped pipe two ends and corresponding tank skin tip height respectively, thus obtain each U-shaped Guan Eryan, the height residing for storage tank shell top that floating plate sample tap is corresponding deducts the difference of the height residing for storage tank shell top corresponding to tank measurements pipe, calculate the aviation value of n difference, this aviation value is the height difference H on storage tank shell top corresponding to floating plate sample tap and storage tank shell top corresponding to tank measurements pipe, adopt n measuring stick of floating plate liquid level calibrating installation 2, spirit level for horizontality between measuring stick scale and tank skin top when to be arranged on measuring stick for keeping reading, n U-shaped pipe of zero point correction device 1 and tank measurements pipe, obtain respectively n floating plate sample tap place crude oil liquid level to tank measurements pipe gage zero height between vertical Ullage, and then obtain the liquid level at n storage tank floating plate sample tap place respectively, calculate the aviation value of n liquid level, this aviation value is the liquid level h at storage tank floating plate sample tap place, with height difference H calibration liquid level h, obtain the liquid level h ' after calibrating, the liquid level h1 of crude oil in the tank measurements pipe of employing gauging device 3 measuring device 3, if | h '-h1|≤5mm, then the liquid level h1 measured by employing gauging device 3 is as the liquid level of crude oil in storage tank, if | h '-h1| > 5mm, then using the liquid level of the liquid level h ' after calibration as crude oil in storage tank.
More than describe preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. an outer floating roof crude oil storage tank equipment, it is characterized in that, described equipment comprises:
Floating plate liquid level calibrating installation (2), for measuring the liquid level at storage tank floating plate sample tap place;
Gauging device (3), for measuring the liquid level in the tank measurements pipe of described gauging device (3);
Zero point correction device (1), for measuring the diff-H on storage tank shell top corresponding to described floating plate sample tap and storage tank shell top corresponding to described tank measurements pipe.
2. outer floating roof crude oil storage tank equipment according to claim 1, it is characterized in that, described zero point correction device (1) comprises the graduated U-shaped pipe of mark, the vertical pipe at described U-shaped pipe two ends is fitted respectively, and the described floating plate sample tap storage tank shell corresponding with described tank measurements pipe is vertical to be arranged, and the top of the vertical pipe at described U-shaped pipe two ends is not less than the top of storage tank shell, is preferably not less than the gage zero of tank measurements pipe.
3. outer floating roof crude oil storage tank equipment according to claim 2, it is characterized in that, described U-shaped pipe is n, the vertical pipe of one end of described n U-shaped pipe storage tank shell corresponding to described tank measurements pipe of all fitting vertically is arranged, the vertical pipe of the other end of described n U-shaped pipe storage tank shell corresponding to n floating plate sample tap of fitting respectively is vertically arranged, wherein, n >=1.
4. outer floating roof crude oil storage tank equipment according to claim 3, it is characterized in that, n is 2-4.
5. outer floating roof crude oil storage tank equipment according to claim 3, is characterized in that, the vertical pipe of the one end of the vertically disposed n of the storage tank shell U-shaped pipe that described laminating tank measurements pipe is corresponding is an identical vertical pipe.
6. according to the outer floating roof crude oil storage tank equipment in claim 2-5 described in any one, it is characterized in that, described floating plate liquid level calibrating installation (2) comprises the measuring stick can finely tuned in vertical dimension, described measuring stick storage tank shell corresponding to described floating plate sample tap of fitting vertically is arranged, one end of described measuring stick is arranged at described floating plate sample tap place, and the height of the other end of described measuring stick is not less than the top of storage tank shell, be preferably not less than the gage zero of tank measurements pipe.
7. outer floating roof crude oil storage tank equipment according to claim 6, it is characterized in that, described floating plate liquid level calibrating installation (2) also comprises level indicator, is horizontality between measuring stick scale and tank skin top when described level indicator to be arranged on measuring stick for keeping reading.
8. outer floating roof crude oil storage tank equipment according to claim 7, it is characterized in that, described level indicator is spirit level.
9. outer floating roof crude oil storage tank equipment according to claim 1, is characterized in that, described gauging device (3) is tank measurements pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520385616.5U CN204979829U (en) | 2015-06-08 | 2015-06-08 | Outer top crude oil storage tank equipment that floats |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520385616.5U CN204979829U (en) | 2015-06-08 | 2015-06-08 | Outer top crude oil storage tank equipment that floats |
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| CN204979829U true CN204979829U (en) | 2016-01-20 |
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| CN201520385616.5U Active CN204979829U (en) | 2015-06-08 | 2015-06-08 | Outer top crude oil storage tank equipment that floats |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406818A (en) * | 2019-07-16 | 2019-11-05 | 河北旭日汇阳能源科技有限公司 | A kind of Tray type tank system and method with storage tank floating plate state output ability |
-
2015
- 2015-06-08 CN CN201520385616.5U patent/CN204979829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406818A (en) * | 2019-07-16 | 2019-11-05 | 河北旭日汇阳能源科技有限公司 | A kind of Tray type tank system and method with storage tank floating plate state output ability |
| CN110406818B (en) * | 2019-07-16 | 2024-05-14 | 河北旭日汇阳能源科技有限公司 | Floating disc type storage tank system and method with storage tank floating disc type output capability |
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