CN204227041U - The accurate LNG storage tank of level sensing - Google Patents
The accurate LNG storage tank of level sensing Download PDFInfo
- Publication number
- CN204227041U CN204227041U CN201420555515.3U CN201420555515U CN204227041U CN 204227041 U CN204227041 U CN 204227041U CN 201420555515 U CN201420555515 U CN 201420555515U CN 204227041 U CN204227041 U CN 204227041U
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- storage tank
- guide pipe
- ball valve
- outer cover
- connecting tube
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Abstract
The utility model discloses the accurate LNG storage tank of a kind of level sensing, comprise the cylindric storage tank of center line level, guide pipe is inserted with from top to bottom in described storage tank, in the lower end of described guide pipe and storage tank, the end, is fixed, through hole is evenly distributed with vertically at guide pipe tube wall, described through hole is all positioned at storage tank, ball valve is connected with in the upper end of described guide pipe, described ball valve is positioned at outside storage tank, above described ball valve, servo liquidometer is installed, described servo liquidometer has float by wire hanger, and described float stretches in guide pipe through ball valve.The utility model by installing guide pipe, ball valve and servo liquidometer on the storage tank of oval column, by servo liquidometer, level sensing is carried out to storage tank, drastically increase the level sensing precision of storage tank, make the statistics of LNG gas station and manage accurately convenient, have be skillfully constructed, structure is simple, transformation easily and the feature such as reforming cost is low.
Description
Technical field
The utility model belongs to LNG storage tank technical field, specifically, and the particularly accurate LNG storage tank of a kind of level sensing.
Background technique
At present, LNG gas station storage tank used is mostly horizontal column tank, and its volume is all at 100m
3below.These LNG storage tank all adopt differential pressure gauge or differential pressure transmitter to carry out level sensing, need liquid level display gas valve and liquid level display liquid phase valve are installed separately in the upper side and lower side of storage tank, the detection validity of this differential pressure gauge or differential pressure transmitter is low, the error of usual existence tens millimeters, is not easy to statistics and the management of LNG gas station very much.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of level sensing accurate LNG storage tank, for facilitating statistics and the management of LNG gas station.
The technical solution of the utility model is as follows: the accurate LNG storage tank of a kind of level sensing, comprise the cylindric storage tank of center line level, it is characterized in that: in described storage tank, be inserted with guide pipe from top to bottom, in the lower end of described guide pipe and storage tank, the end, is fixed, through hole is evenly distributed with vertically at guide pipe tube wall, described through hole is all positioned at storage tank, ball valve is connected with in the upper end of described guide pipe, described ball valve is positioned at outside storage tank, above described ball valve, servo liquidometer is installed, described servo liquidometer there is float by wire hanger, described float stretches in guide pipe through ball valve.
Described guide pipe was fixed by the end in sleeve pipe, screw and strut and storage tank, wherein casing pipe sleeve is outside guide pipe, described screw has some, each screw all crosses the outer wall that sleeve pipe compresses guide pipe, have at least three place's struts at the outer circumferential uniform welding of described sleeve pipe, in the lower end of described strut and storage tank, back welding connects.
Isolation outer cover is connected with between described servo liquidometer and ball valve, described isolation outer cover is the circular tube shaped of center line level, in isolation outer cover, correcting plate is installed, the front end of described isolation outer cover is installed with forward flange, blind flange is fixed with on front side of forward flange, end cap is fixed with in the rear end of described isolation outer cover, described end cap is provided with Decompression valves, the upper side and lower side in the middle part of described isolation outer cover radial direction is connected with connecting tube and lower connecting tube separately, described upper connecting tube is connected with servo liquidometer and ball valve separately with lower connecting tube, and the center line of upper connecting tube and lower connecting tube and the center line of guide pipe are on the same line.
Described correcting plate is rectangular, be arranged in isolation outer cover by two pieces of long strip mounting plates side by side, described mounting plate and the central axis of isolating outer cover, the two ends of mounting plate are welded and fixed with isolation outer cover inwall, adjusting bolt is inserted with in the middle part of the mounting plate near end cap, the rear end of described correcting plate is supported in adjusting bolt, two screw rods are fixed with above the mounting plate near blind flange, described screw rod is through the front end of correcting plate, and there are two nuts at the screw rod part cover be positioned at below correcting plate, a nut is had at the screw rod part cover be positioned at above correcting plate, just to the mouth of pipe of upper connecting tube and lower connecting tube in the middle part of described correcting plate.
Adopt said structure, horizontal cylindric storage tank installs guide pipe, ball valve and servo liquidometer, steel wire on servo liquidometer and ball float stretch in guide pipe, thus only need on storage tank, open a hole, the liquid level information of storage tank is detected by servo liquidometer, detection can be accurate to 1 millimeter, drastically increases the level sensing precision of storage tank, makes the statistics of LNG gas station and manages accurately convenient.The lower end of guide pipe is fixed on the end in storage tank by sleeve pipe, screw and strut, and the installation and removal of guide pipe are all very convenient.Isolation outer cover is set between ball valve and servo liquidometer, in isolation outer cover, correcting plate is installed, is convenient to correct servo liquidometer, overhaul.In using process, correcting plate takes down, at needs, servo liquidometer is checked, timing, only need float to rise in isolation outer cover, close ball valve, open Decompression valves, then open blind flange, correcting plate is fixed on a mounting board, namely by correcting plate, adjustment is carried out to servo liquidometer.At the end of adjustment, correcting plate is taken out, close blind flange and Decompression valves, open ball valve and float is put down, can continue to detect the liquid level of storage tank.
Beneficial effect: the utility model by installing guide pipe, ball valve and servo liquidometer on columned storage tank, by servo liquidometer, level sensing is carried out to storage tank, drastically increase the level sensing precision of storage tank, make the statistics of LNG gas station and manage accurately convenient, have be skillfully constructed, structure is simple, transformation easily and the feature such as reforming cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of isolation outer cover.
Fig. 3 is the A-A sectional view of Fig. 2.
In figure, mark is as follows: storage tank 1, guide pipe 2, ball valve 3, blind flange 4, servo liquidometer 5, steel wire 6, float 7, sleeve pipe 8, screw 9, strut 10, end cap 11, Decompression valves 12, correcting plate 13, mounting plate 14, adjusting bolt 15, lower connecting tube 16, forward flange 17, isolation outer cover 18, screw rod 19 and upper connecting tube 20.
Embodiment
Be described below in detail embodiment of the present utility model, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.In description of the present utility model, it should be noted that, for the noun of locality, if any term " " center ", " transverse direction ", " longitudinal direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", indicating positions such as " outward " and position relationship are based on orientation shown in the drawings or position relationship, only for the ease of describing the utility model and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with particular orientation structure and operation, restriction concrete protection domain of the present utility model can not be interpreted as.In the utility model, except as otherwise clear stipulaties and restriction, should go to understand as broad sense if any the term such as term " assembling ", " being connected ", " connection ", " fixing ", such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also can be connected by intermediary, can be that two element internals are connected.For those of ordinary skills, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.In model utility, unless otherwise prescribed and limit, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.Below in conjunction with accompanying drawing, by being further described embodiment of the present utility model, make the technical solution of the utility model and beneficial effect thereof clearly, clearly.
As shown in Figure 1, the utility model comprises the cylindric storage tank 1 of center line level, in described storage tank 1, be inserted with guide pipe 2 from top to bottom, and in the lower end of described guide pipe 2 and storage tank 1, the end is fixed.Described guide pipe 2 is fixed with the end in storage tank 1 by sleeve pipe 8, screw 9 and support 10, and its middle sleeve 8 is enclosed within outside guide pipe 2, and described screw 9 has some, and each screw 9 all crosses the outer wall that sleeve pipe 8 pushes against guide pipe 2.Have at least three place's struts 10 at the outer circumferential uniform welding of described sleeve pipe 8, described strut 10 radially distributes, and in its lower end and storage tank 1, back welding connects.Preferred described screw 9 circumference of the present embodiment is evenly equipped with three, and described strut 10 has three, and strut 10 is all in tilted layout with vertical direction.Described guide pipe 2 evenly has through hole 2a vertically, and described through hole 2a is all positioned at storage tank 1.Be connected with ball valve 3 in the upper end of described guide pipe 2, described ball valve 3 is positioned at outside storage tank 1, and this ball valve 3 is low-temperature welding ball valve.Above described ball valve 3, be provided with servo liquidometer 5, described servo liquidometer 5 is hung with float 7 by steel wire 6, described float 7 stretches in guide pipe 2 through ball valve 3.Also baffle plate being installed in described guide pipe 2 lower end, dropping out guide pipe 2 for preventing float 7.
As shown in Figure 1, Figure 2 and Figure 3, be connected with and isolate outer cover 18 between described servo liquidometer 5 and ball valve 3, the circular tube shaped of described isolation outer cover 18 in center line level, is provided with correcting plate 13 in isolation outer cover 18.The front end of described isolation outer cover 18 is installed with forward flange 17, is fixed with blind flange 4 on front side of forward flange 17, is fixed with end cap 11 in the rear end of described isolation outer cover 18, and described end cap 11 is provided with Decompression valves 12.The upper side and lower side at the radial middle part of described isolation outer cover 18 is connected with connecting tube 20 and lower connecting tube 16 separately, described upper connecting tube 20 is connected with servo liquidometer 5 and ball valve 3 separately with lower connecting tube 16, and the center line of the center line of upper connecting tube 20 and lower connecting tube 16 and guide pipe 2 on the same line.Described correcting plate 13 is rectangular, is arranged in isolation outer cover 18 by two pieces of long strip mounting plates 14 side by side.Described mounting plate 14 and the central axis of isolating outer cover 18, the two ends of mounting plate 14 are welded and fixed with isolation outer cover 18 inwall, and in the middle part of the mounting plate 14 near end cap 11, be inserted with adjusting bolt 15, the rear end of described correcting plate 13 is supported in adjusting bolt 15.Two screw rods 19 are fixed with above the mounting plate 14 near blind flange 4, described screw rod 19 is through the front end of correcting plate 13, and there are two nuts at the screw rod 19 part cover be positioned at below correcting plate 13, a nut is had, just to the mouth of pipe of upper connecting tube 20 and lower connecting tube 16 in the middle part of described correcting plate 13 at the screw rod 19 part cover be positioned at above correcting plate 13.
Claims (4)
1. the accurate LNG storage tank of level sensing, comprise the cylindric storage tank (1) of center line level, it is characterized in that: in described storage tank (1), be inserted with guide pipe (2) from top to bottom, lower end and storage tank (1) the interior end of described guide pipe (2), fixed, through hole (2a) is evenly distributed with vertically at guide pipe (2) tube wall, described through hole (2a) is all positioned at storage tank (1), ball valve (3) is connected with in the upper end of described guide pipe (2), described ball valve (3) is positioned at storage tank (1) outward, described ball valve (3) top is provided with servo liquidometer (5), described servo liquidometer (5) is hung with float (7) by steel wire (6), described float (7) stretches in guide pipe (2) through ball valve (3).
2. the accurate LNG storage tank of level sensing according to claim 1, it is characterized in that: described guide pipe (2) is by sleeve pipe (8), screw (9) and strut (10) were fixed with the interior end of storage tank (1), its middle sleeve (8) is enclosed within guide pipe (2) outward, described screw (9) has some, each screw (9) all crosses the outer wall that sleeve pipe (8) compresses guide pipe (2), described sleeve pipe (8) outward circumferential uniform welding have at least three place's struts (10), lower end and storage tank (1) the interior back welding of described strut (10) connect.
3. the accurate LNG storage tank of level sensing according to claim 1 and 2, it is characterized in that: be connected with between described servo liquidometer (5) and ball valve (3) and isolate outer cover (18), the circular tube shaped of described isolation outer cover (18) in center line level, in isolation outer cover (18), correcting plate (13) is installed, the front end of described isolation outer cover (18) is installed with forward flange (17), blind flange (4) is fixed with in forward flange (17) front side, end cap (11) is fixed with in the rear end of described isolation outer cover (18), described end cap (11) is provided with Decompression valves (12), the upper side and lower side at the radial middle part of described isolation outer cover (18) is connected with connecting tube (20) and lower connecting tube (16) separately, described upper connecting tube (20) is connected with servo liquidometer (5) and ball valve (3) separately with lower connecting tube (16), and the center line of the center line of upper connecting tube (20) and lower connecting tube (16) and guide pipe (2) on the same line.
4. the accurate LNG storage tank of level sensing according to claim 3, it is characterized in that: described correcting plate (13) is rectangular, be arranged in isolation outer cover (18) by two pieces of long strip mounting plates (14) side by side, described mounting plate (14) and the central axis of isolating outer cover (18), the two ends of mounting plate (14) are welded and fixed with isolation outer cover (18) inwall, adjusting bolt (15) is inserted with at mounting plate (14) middle part near end cap (11), the rear end of described correcting plate (13) is supported in adjusting bolt (15), two screw rods (19) are fixed with in mounting plate (14) top near blind flange (4), described screw rod (19) is through the front end of correcting plate (13), and the part cover being positioned at correcting plate (13) below at screw rod (19) has two nuts, the part cover being positioned at correcting plate (13) top at screw rod (19) has a nut, described correcting plate (13) middle part is just to the mouth of pipe of upper connecting tube (20) and lower connecting tube (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555515.3U CN204227041U (en) | 2014-09-25 | 2014-09-25 | The accurate LNG storage tank of level sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555515.3U CN204227041U (en) | 2014-09-25 | 2014-09-25 | The accurate LNG storage tank of level sensing |
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| Publication Number | Publication Date |
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| CN204227041U true CN204227041U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420555515.3U Active CN204227041U (en) | 2014-09-25 | 2014-09-25 | The accurate LNG storage tank of level sensing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027671A (en) * | 2018-06-29 | 2018-12-18 | 郑州飞铄电子科技有限公司 | A kind of anti-canting cargo tank |
| CN114646016A (en) * | 2022-03-28 | 2022-06-21 | 中国空分工程有限公司 | Large-scale low-temperature storage tank inspection and maintenance method |
-
2014
- 2014-09-25 CN CN201420555515.3U patent/CN204227041U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027671A (en) * | 2018-06-29 | 2018-12-18 | 郑州飞铄电子科技有限公司 | A kind of anti-canting cargo tank |
| CN114646016A (en) * | 2022-03-28 | 2022-06-21 | 中国空分工程有限公司 | Large-scale low-temperature storage tank inspection and maintenance method |
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| GR01 | Patent grant |