CN207050810U - A kind of natural gas storage tank liquid level detection device - Google Patents
A kind of natural gas storage tank liquid level detection device Download PDFInfo
- Publication number
- CN207050810U CN207050810U CN201720874531.2U CN201720874531U CN207050810U CN 207050810 U CN207050810 U CN 207050810U CN 201720874531 U CN201720874531 U CN 201720874531U CN 207050810 U CN207050810 U CN 207050810U
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- liquid level
- fluid reservoir
- cord
- natural gas
- gravity block
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Abstract
The utility model discloses a kind of natural gas storage tank liquid level detection device, including fluid reservoir, the internal liquid level of the fluid reservoir is provided with ball float, the bottom of ball float is connected with the first cord, the one end of first cord away from ball float is connected with the first gravity block, first gravity block is located at below liquid level, support bar is welded with the top of fluid reservoir, the one end of support bar away from fluid reservoir is fixedly connected with connecting rod, pulley is connected with connecting rod, the second cord is connected with the top of ball float, second cord is through the top of fluid reservoir and extends to the outside of fluid reservoir, the second cord at the top of fluid reservoir across pulley groove and extend to the side wall of fluid reservoir.The utility model is simple in construction, the equipment for being not required to additional complexity, and no machinery gets an electric shock, electric spark will not be produced, it is securely and reliably, easy to operate, measuring range is wider, and measurement result is not easy to be influenceed by factors such as temperature, pressures, and rough detection can be provided for the liquid level of liquefied natural gas fluid reservoir.
Description
Technical field
It the utility model is related to instrumentation techniques field, more particularly to a kind of natural gas storage tank liquid level detection device.
Background technology
The main component of liquefied natural gas is methane, it is considered to be the most clean energy in the world.It is colourless, tasteless, nontoxic
And non-corrosiveness, its volume are about the 1/625 of same amount gaseous natural gas volume, the weight of liquefied natural gas is only the water of same volume
45% or so.Its manufacturing process is the natural gas purification processing for first producing gas field, after a series of liquefaction of ultralow temperature, is utilized
LNG carrier transports, very small to air pollution after liquefied natural gas burning, and liberated heat is big, so liquefaction day
Right gas is a kind of more advanced energy.Liquefied natural gas is that natural gas is compressed, is cooled to its boiling point（- 161.5 degrees Celsius）
Become liquid after temperature, in -161.5 degrees Celsius, 0.1MPa or so low-temperature storage tank, it leads usual LNG storage
It is methane to want composition, is transported with special purpose ship or oil truck, is gasified again during use.Since the 1970s, world liquefaction day
Right gas yield and volume of trade increase sharply.
Current liquid-level detecting method mainly have artificial measuring method, using law of buoyancy mensuration, utilize detection signal
Mensuration etc..For example double-colored water level method of manual measurement method, hand-dipping method etc., utilize law of buoyancy mensuration such as differential pressure method, ball float
Method etc., utilize detection signal mensuration such as supercritical ultrasonics technology, laser wave method etc..But all there is certain lack in existing detection method
Fall into, such as the problem of artificial detection method has operation inconvenience, and accuracy of detection is not high；Measuring range be present using law of buoyancy mensuration
Less problem；Signal be present using detection signal mensuration and be relatively vulnerable to the factor shadow such as Media density, pressure, temperature, concentration
The problem of ringing, measurement accuracy is easily impacted, and needs complicated measuring instrument.
Utility model content
The purpose of this utility model is and a kind of natural gas liquid storage proposed in order to solve shortcoming present in prior art
Tank liquid level detection device.
To achieve these goals, the utility model employs following technical scheme：
A kind of natural gas storage tank liquid level detection device, including fluid reservoir, the internal liquid level of the fluid reservoir are provided with ball float,
The bottom of the ball float is connected with the first cord, and the described one end of first cord away from ball float is connected with the first gravity block, described
First gravity block is located at below liquid level, is welded with support bar at the top of the fluid reservoir, the support bar away from fluid reservoir one
End is fixedly connected with connecting rod, and pulley is connected with the connecting rod, the second cord, institute are connected with the top of the ball float
The second cord is stated through the top of fluid reservoir and extends to the outside of fluid reservoir, the second cord at the top of the fluid reservoir is across cunning
The groove of wheel and the side wall for extending to fluid reservoir, the described one end of second cord away from ball float is connected with the second gravity block, described
Second gravity block is provided with through hole, and the side wall of the fluid reservoir is vertically welded with cross bar, and the one end of the cross bar away from fluid reservoir is consolidated
Surely liquid level gauge is connected with, is provided with cavity inside the liquid level gauge, the liquid level gauge bottom is connected with slide bar, the slide bar position vertically
In in cavity, second gravity block is connected by through hole with slide bar.
Preferably, the acute angle scope of the support bar and horizontal direction angle is 30-60 degree.
Preferably, the side of second gravity block away from fluid reservoir is fixedly connected with pointer, and the pointer is put down with ground
OK..
Preferably, the liquid level is calculated as the internal rectangular parallelepiped structure for being provided with cavity, the liquid level gauge away from fluid reservoir one
Side is provided with graduation mark.
Preferably, first cord and the second cord use single-strand rope, and the diameter of the two is 0.3mm,
Material is 304 stainless steels.
Preferably, the surface of the slide bar is smooth, and the through hole madial wall of second gravity block is smooth, and is smeared in through hole
There is lubricating oil.
Preferably, first gravity block and the second gravity block are equal in weight.
Preferably, the quantity of the slide bar, through hole, support bar and pulley is 2.
Compared with prior art, the beneficial effects of the utility model are：
In the utility model, by being provided with ball float on liquid level, the bottom of ball float is connected with the first gravity block, top connection
The groove of the second cord across pulley be connected with the second gravity block, the second gravity block is connected by through hole with slide bar, and first
Pointer is connected with gravity block, liquid level gauge is provided with graduation mark, realizes when ball float and the first gravity block on liquid level with moving down
When dynamic, the second cord is moved up and down using the gravity block of pulley driving second on slide bar, and the pointer on the second gravity block leads to
The height for the graduation mark instruction liquid level crossed on liquid level gauge.The utility model is simple in construction, the equipment for being not required to additional complexity, no machinery
Get an electric shock, electric spark will not be produced, securely and reliably, easy to operate, measuring range is wider, and measurement result is not easy by temperature, pressure etc.
The influence of factor, rough detection can be provided for the liquid level of liquefied natural gas fluid reservoir.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of natural gas storage tank liquid level detection device structural representation；
Fig. 2 be the utility model proposes a kind of natural gas storage tank liquid level detection device liquid level gauge structural representation
Figure.
In figure：1 fluid reservoir, 2 ball floats, 3 first cords, 4 first gravity blocks, 5 support bars, 6 connecting rods, 7 pulleys, 8 second
Cord, 9 second gravity blocks, 10 through holes, 11 cross bars, 12 liquid level gauges, 13 cavitys, 14 slide bars, 15 pointers, 16 graduation marks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-2, a kind of natural gas storage tank liquid level detection device, including fluid reservoir 1, the internal liquid level of fluid reservoir 1
Provided with ball float 2, the bottom of ball float 2 is connected with the first cord 3, and first one end of cord 3 away from ball float 2 is connected with the first gravity block
4, the first gravity block 4 is located at below liquid level, and the top of fluid reservoir 1 is welded with support bar 5, the one end of support bar 5 away from fluid reservoir 1
Connecting rod 6 is fixedly connected with, pulley 7 is connected with connecting rod 6, the top of ball float 2 is connected with the second cord 8, and second is thin
Rope 8 is through the top of fluid reservoir 1 and extends to the outside of fluid reservoir 1, ditch of the second cord 8 at the top of fluid reservoir 1 across pulley 7
Groove and the side wall for extending to fluid reservoir 1, second one end of cord 8 away from ball float 2 are connected with the second gravity block 9, the second gravity block 9
Provided with through hole 10, the side wall of fluid reservoir 1 is vertically welded with cross bar 11, and the one end of cross bar 11 away from fluid reservoir 1 is fixedly connected with liquid
Position meter 12, the inside of liquid level gauge 12 are provided with cavity 13, and the bottom of liquid level gauge 12 is connected with slide bar 14 vertically, and slide bar 14 is located at cavity 13
Interior, the second gravity block 9 is connected by through hole 10 with slide bar 14.
The acute angle scope of support bar 5 and horizontal direction angle is 30-60 degree.Second side of the gravity block 9 away from fluid reservoir 1
Pointer 15 is fixedly connected with, pointer 15 is parallel to the ground.Liquid level gauge 12 is provided with the rectangular parallelepiped structure of cavity 13, liquid level gauge for inside
12 sides away from fluid reservoir 1 are provided with graduation mark 16.Pointer 15 is combined the height for indicating liquid level with graduation mark 16.First is thin
The cord 8 of rope 3 and second uses single-strand rope, and the diameter of the two is 0.2mm, and material is 304 stainless steels.Slide bar 14
Surface it is smooth, the madial wall of through hole 10 of the second gravity block 9 is smooth, and is coated with lubricating oil in through hole 10.Slide bar 14 and through hole
10 contact portion smooths and be provided with lubricating oil, advantageously reduce frictional force therebetween, reduce to the unfavorable of measurement result
Influence.First gravity block 4 and the second gravity block 9 are equal in weight, and the two, which is equal in weight, is advantageous to the balance for maintaining device.Slide bar
14, through hole 10, the quantity of support bar 5 and pulley 7 is 2.
Operation principle：Liquid level is provided with ball float 2, and the bottom of ball float 2 is connected with the first gravity block 4, ball float by the first cord 3
Second cord 8 of 2 top connection through the top of fluid reservoir 1 and is extended to outside tank, the second cord 8 outside the top of fluid reservoir 1
Groove across two pulleys 7 is connected with the second gravity block 9 that can be slided up and down on slide bar 14, when the gravity of ball float 2 and first
When block 4 is with liquid surface lifting, the second gravity block 9 is driven to be moved up in cross bar 14 by the second cord 8 of the groove of pulley 7
Dynamic, the pointer 15 on the second gravity block 9 indicates the height of liquid level using the graduation mark 16 on liquid level gauge 12.Reach to fluid reservoir 1
The purpose that interior liquid level detects roughly.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of natural gas storage tank liquid level detection device, including fluid reservoir（1）, it is characterised in that the fluid reservoir（1）It is interior
Portion's liquid level is provided with ball float（2）, the ball float（2）Bottom be connected with the first cord（3）, first cord（3）Away from ball float
（2）One end be connected with the first gravity block（4）, first gravity block（4）Below liquid level, the fluid reservoir（1）Top
Portion is welded with support bar（5）, the support bar（5）Set for slope, the support bar（5）To be vertically symmetrically arranged
Two, the support bar（5）Away from fluid reservoir（1）One end be fixedly connected with connecting rod（6）, the connecting rod（6）Upper activity
It is connected with pulley（7）, the ball float（2）Top be connected with the second cord（8）, second cord（8）Through fluid reservoir（1）
Top and extend to fluid reservoir（1）Outside, the fluid reservoir（1）Second cord at top（8）Across pulley（7）Groove
And extend to fluid reservoir（1）Side wall, second cord（8）Away from ball float（2）One end be connected with the second gravity block（9）,
Second gravity block（9）Provided with through hole（10）, the fluid reservoir（1）Side wall be vertically welded with cross bar（11）, the cross bar
（11）Away from fluid reservoir（1）One end be fixedly connected with liquid level gauge（12）, the liquid level gauge（12）Inside is provided with cavity（13）, institute
State liquid level gauge（12）Bottom is connected with slide bar vertically（14）, the slide bar（14）Positioned at cavity（13）It is interior, second gravity block
（9）Pass through through hole（10）With slide bar（14）Connection.
A kind of 2. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that the support bar
（5）Acute angle scope with horizontal direction angle is 30-60 degree.
A kind of 3. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that second gravity
Block（9）Away from fluid reservoir（1）Side be fixedly connected with pointer（15）, the pointer（15）It is parallel to the ground.
A kind of 4. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that the liquid level gauge
（12）Cavity is provided with for inside（13）Rectangular parallelepiped structure, the liquid level gauge（12）Away from fluid reservoir（1）Side be provided with scale
Line（16）.
A kind of 5. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that first cord
（3）With the second cord（8）Single-strand rope is used, and the diameter of the two is 0.3mm, material is 304 stainless steels.
A kind of 6. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that the slide bar（14）
Surface it is smooth, second gravity block（9）Through hole（10）Madial wall is smooth, and through hole（10）In be coated with lubricating oil.
A kind of 7. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that first gravity
Block（4）With the second gravity block（9）It is equal in weight.
A kind of 8. natural gas storage tank liquid level detection device according to claim 1, it is characterised in that the slide bar
（14）, through hole（10）, support bar（5）And pulley（7）Quantity be 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874531.2U CN207050810U (en) | 2017-07-19 | 2017-07-19 | A kind of natural gas storage tank liquid level detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720874531.2U CN207050810U (en) | 2017-07-19 | 2017-07-19 | A kind of natural gas storage tank liquid level detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207050810U true CN207050810U (en) | 2018-02-27 |
Family
ID=61497398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720874531.2U Expired - Fee Related CN207050810U (en) | 2017-07-19 | 2017-07-19 | A kind of natural gas storage tank liquid level detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207050810U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375198A (en) * | 2019-07-30 | 2019-10-25 | 南阳杜尔气体装备有限公司 | A kind of improved horizontal low temperature storage tank liquid level meter pipe device and its application method |
| CN112554848A (en) * | 2020-11-12 | 2021-03-26 | 中国石油天然气股份有限公司 | Crude oil conveying device |
| CN113650793A (en) * | 2021-10-21 | 2021-11-16 | 成都飞机工业（集团）有限责任公司 | Visual gravity oil filling port and scale marking method thereof |
-
2017
- 2017-07-19 CN CN201720874531.2U patent/CN207050810U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375198A (en) * | 2019-07-30 | 2019-10-25 | 南阳杜尔气体装备有限公司 | A kind of improved horizontal low temperature storage tank liquid level meter pipe device and its application method |
| CN112554848A (en) * | 2020-11-12 | 2021-03-26 | 中国石油天然气股份有限公司 | Crude oil conveying device |
| CN113650793A (en) * | 2021-10-21 | 2021-11-16 | 成都飞机工业（集团）有限责任公司 | Visual gravity oil filling port and scale marking method thereof |
| CN113650793B (en) * | 2021-10-21 | 2022-01-25 | 成都飞机工业（集团）有限责任公司 | Visual gravity oil filling port and scale marking method thereof |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |