CN206002178U - A kind of float level meter calibration facility - Google Patents
A kind of float level meter calibration facility Download PDFInfo
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- CN206002178U CN206002178U CN201620831665.1U CN201620831665U CN206002178U CN 206002178 U CN206002178 U CN 206002178U CN 201620831665 U CN201620831665 U CN 201620831665U CN 206002178 U CN206002178 U CN 206002178U
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Abstract
The utility model discloses a kind of float level meter calibration facility, it includes adpting flange, two single head short circuits, stop valve, binding strap, communicating pipe, funnel, one end of described adpting flange is connected with the flange in the bottom of floating drum, the other end connects one end of first single head short circuit, the other end of first single head short circuit is one end that the end of thread connects stop valve, one end that the other end of stop valve connects second single head short circuit is the end of thread, the other end of second single head short circuit connects one end of pipe, the other end in communicating pipe arranges funnel, in the junction of single head short circuit and connecting tube, binding strap is set.Float level meter of the present utility model is demarcated utensil and is passed through to make floating drum companion flange and install water rate control stop valve, the water yield making water-pouring process is well controlled, make floating drum list school woprk standardization and unification by making standardized overall process interface unit so that the precision in floating drum list school is guaranteed.
Description
Technical field
This utility model is related to gauging calibration apparatus field, specifically a kind of float level meter calibration facility.
Background technology
For float level meter monomer adjustment, all ununified calibration equipment in current work progress, scene
Common practice is to be poured water by live temporary takeover, and the shortcoming of this way is that junction easily produces leakage, pours water
During the uncontrollable water yield, allow floating drum list gyp to complicate.
Utility model content
The purpose of this utility model is the defect existing for existing utensil, provides a kind of flexible structure, single school speed fast
Float level meter demarcate utensil.
The purpose of this utility model solves by the following technical programs：
A kind of float level meter calibration facility, it include adpting flange, first single head short circuit, second single head short circuit,
Stop valve, binding strap, communicating pipe, funnel, one end of described adpting flange is connected with the flange in the bottom of floating drum, and the other end connects the
One end of one single head short circuit, the other end of first single head short circuit is one end that the end of thread connects stop valve, stop valve another
One end that one end connects second single head short circuit is the end of thread, and stop valve is used for controlling inflow；Second single head short circuit another
One end connects one end of pipe, and the other end in communicating pipe arranges funnel, in the connection of second single head short circuit and communicating pipe
Place's setting binding strap；Described communicating pipe is L-shaped：Its top arranges funnel and is higher than floating drum, and its bottom arranges binding strap.
Preferably, described communicating pipe is plastic material.
Preferably, described binding strap is stainless steel.
The beneficial effects of the utility model
Float level meter of the present utility model is demarcated utensil and is passed through to make floating drum companion flange and install water rate control cut-off
Valve, so that the water yield of water-pouring process is well controlled, makes floating drum list by making standardized overall process interface unit
School woprk standardization and unification are so that the precision in floating drum list school is guaranteed.
Brief description
Fig. 1 is structural representation of the present utility model.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but protection domain of the present utility model is not limited to
This：
In conjunction with Fig. 1, embodiment 1：A kind of float level meter calibration facility, it includes 1, first single head short circuit of adpting flange
2-1, second single head short circuit 2-2, stop valve 3, binding strap 4, communicating pipe 5, funnel 6, one end of described adpting flange 1 with floating
The flange in the bottom 7 of cylinder connects, and the other end connects one end of first single head short circuit 2-1, the other end of first single head short circuit 2-1
I.e. the end of thread connects one end of stop valve 3, and one end of the other end second single head short circuit 2-2 of connection of stop valve 3 is the end of thread,
The other end of second single head short circuit 2-2 connects one end of pipe 5, and the other end in communicating pipe 5 arranges funnel 6, second
Individual single head short circuit 2-2 arranges binding strap 4 with the junction of communicating pipe 5；Described communicating pipe 5 is L-shaped：Its top arranges funnel 6
And be higher than floating drum, its bottom arranges binding strap 4.
In a preferred embodiment, described communicating pipe 5 is plastic material.
In a preferred embodiment, described binding strap 4 is stainless steel.
Using method：
As float level meter calibration facility is connected by embodiment 1 with floating drum lower end base flange 7, upper flange 8 He of floating drum
Lower flange 9 blind plate or other article blocking.
Procedure parameter calculates：
(1) measure liquid level
Measured medium density measured by floating drum is checked according to design specification book, calculating floating drum using following equation need to pour water
Height, unit be mm.
HWater×ρWater=HIt is situated between×ρIt is situated between
In formula：HWaterThe height poured water for floating drum, unit is mm.
HIt is situated betweenThe height of floating drum measured medium, unit is mm, checks in from design specification book.
ρWaterFor the density of water, typically take 1g/cm3.
ρIt is situated betweenFor the density of floating drum measured medium, unit is g/cm3, check in from design specification book.
The height H that floating drum is poured water can be calculated according to above formulaWaterIt is the range ability of pouring water of floating drum, will calculate
Range ability respectively by 0%, 25%, 50%, 75%, 100% 5 point divided, from lower flange 9 center of floating drum cylinder
Line, on the basis of upper flange 8 centrage, proceeds by labelling with tape measure from lower flange 9 centrage, by range five decile and mark
On floating drum cylinder.
(2) measure boundary position
When floating drum measurement be two kinds of liquid boundary position when, pour water height (dead-center position) and upper limit water level during zero point
Height (full scale position) of pouring water is calculated by following equation respectively：
Height of pouring water during zero point：
H1=ρGently×H/ρWater
The height of pouring water of the upper limit：
H2=ρWeight×H
Range of stage：
(ρWeight-ρGently)×H/ρWater
In formula：ρGentlyFor the density of the tested light substance of floating drum, unit is g/cm3, check in from design specification book.
ρWeightFor the density of the tested dense media of floating drum, unit is g/cm3, check in from design specification book.
H is the scale of maximum level, and unit is mm, checks in from design specification book.
3rd, 2 points of standardizitions
Carry out 2 points of demarcation with HART375/475, open floating drum gauge outfit end cap, provide 24VDC unidirectional current to supply port
Source simultaneously connects HART475/375 and is communicated.What general demarcation floating drum was commonly used is 2 points of standardizitions, exists in HART475/375
Find 2 points of calibration interfaces in line menu, enter (online) line model → selection basic setup (basic setup) → choosing
Select (pv setup) setting → select (pv range) scope → setting (set zero＆span) zero point scope → carry out set
Zero (4mA) demarcates → carries out set zero (20mA) full scale and demarcates.
4th, pour water demarcation
It is initially added into clean water from funnel 6, when water level rises to dead-center position H1, stopping adding water (notes for range estimation：Cleaning
During water injection dead-center position, range estimation zero point water level is consistent with cylinder top zero mark).Enter HART group according to 2 points of standardizitions
State interface：Set zero (4mA) demarcates and preserves Zero calibration data, after Zero calibration is complete, continues to add water up to water from funnel 6
When being added to full scale position H2, stopping adding water (notes：Plastic tube 5 is transparent visual, when clean water injection full scale interface,
In plastic tube 5, water level must be consistent with upper limit scale on cylinder), enter HART configuration interface according to 2 points of standardizitions：Carry out set
The step that zero (20mA) full scale is demarcated carries out full scale and demarcates and preserve full scale nominal data.After 2 points have been demarcated, will
Water emptying in plastic tube 5, is then that flange in the bottom 7 central point adds water from plastic tube 5 upper port, according to code requirement more again
Carry out the demarcation of five points respectively, generally, after demarcate, then carry out the demarcation of other three points at 2 points, that is, 25%, 50%
With 75%, the method for demarcation is with to demarcate 0% consistent with 100%.After the completion of demarcation, fill protocol, gauge outfit power-off, recover
All of demarcation device, demarcation terminates.
Specific embodiment described herein is only that this utility model spirit is illustrated.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Claims (3)
1. a kind of float level meter calibration facility it is characterised in that it include adpting flange (1), first single head short circuit (2-1),
Second single head short circuit (2-2), stop valve (3), binding strap (4), communicating pipe (5), funnel (6), the one of described adpting flange (1)
End is connected with the flange in the bottom (7) of floating drum, and the other end connects one end of first single head short circuit (2-1), first single head short circuit
(2-1) the other end is one end that the end of thread connects stop valve (3), and the other end of stop valve (3) connects second single head short circuit
(2-2) one end is the end of thread, and the other end of second single head short circuit (2-2) connects one end of pipe (5), in communicating pipe
(5) other end setting funnel (6), in junction setting binding strap (4) of second single head short circuit (2-2) and communicating pipe (5)；
Described communicating pipe (5) is L-shaped：Its top arranges funnel (6) and is higher than floating drum, its bottom setting binding strap (4).
2. a kind of float level meter calibration facility according to claim 1 is it is characterised in that described communicating pipe (5) is plastics
Material.
3. a kind of float level meter calibration facility according to claim 1 is it is characterised in that described binding strap (4) is stainless
Steel matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831665.1U CN206002178U (en) | 2016-08-02 | 2016-08-02 | A kind of float level meter calibration facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620831665.1U CN206002178U (en) | 2016-08-02 | 2016-08-02 | A kind of float level meter calibration facility |
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| Publication Number | Publication Date |
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| CN206002178U true CN206002178U (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620831665.1U Active CN206002178U (en) | 2016-08-02 | 2016-08-02 | A kind of float level meter calibration facility |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225497A (en) * | 2018-01-17 | 2018-06-29 | 南通联科电子科技有限公司 | A kind of liquid level class meter calibration device |
| CN108709608A (en) * | 2018-06-20 | 2018-10-26 | 苏州智顶材料科技有限公司 | A kind of glassware calibration system |
| CN109489776A (en) * | 2018-11-15 | 2019-03-19 | 中广核工程有限公司 | A kind of nuclear power station PTR pond liquid level meter verification experimental rig and its test method |
-
2016
- 2016-08-02 CN CN201620831665.1U patent/CN206002178U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225497A (en) * | 2018-01-17 | 2018-06-29 | 南通联科电子科技有限公司 | A kind of liquid level class meter calibration device |
| CN108709608A (en) * | 2018-06-20 | 2018-10-26 | 苏州智顶材料科技有限公司 | A kind of glassware calibration system |
| CN109489776A (en) * | 2018-11-15 | 2019-03-19 | 中广核工程有限公司 | A kind of nuclear power station PTR pond liquid level meter verification experimental rig and its test method |
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