CN206002168U - A kind of non-contact liquid level measurement amount supplementary structure - Google Patents

A kind of non-contact liquid level measurement amount supplementary structure Download PDF

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Publication number
CN206002168U
CN206002168U CN201620774281.0U CN201620774281U CN206002168U CN 206002168 U CN206002168 U CN 206002168U CN 201620774281 U CN201620774281 U CN 201620774281U CN 206002168 U CN206002168 U CN 206002168U
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China
Prior art keywords
liquid level
blowning installation
pressure
guiding pipe
pressure guiding
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Active
Application number
CN201620774281.0U
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Chinese (zh)
Inventor
和奔流
司涛涛
杨霄
张祥
程永强
韩哲哲
张利超
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Henan Baililian New Materials Co Ltd
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Henan Baililian New Materials Co Ltd
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Priority to CN201620774281.0U priority Critical patent/CN206002168U/en
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Abstract

The utility model discloses a kind of non-contact liquid level measurement amount supplementary structure, including blowning installation, the pressure guiding pipe being arranged in container, the gas blow pipe connected with pressure guiding pipe, the pressure guiding pipe is zirconium pressure guiding pipe in parallel, the gas blow pipe is two, it is set up in parallel and is connected with zirconium pressure guiding pipe respectively, the other end of two gas blow pipes is while be connected with a differential pressure transmitter, the outlet side of the blowning installation is connected in parallel two arms, two arms are respectively communicated with two gas blow pipes, permanent flow valve and flowmeter are arranged in series on each arm, the permanent flow valve is located at the one end near blowning installation, the flowmeter is located remotely from one end of blowning installation.This new non-contact liquid level measurement amount supplementary structure, thoroughly solve the problems, such as liquid level gauge liquid level fluctuate widely, accuracy deviation big so that blowing type liquid level measurement amount stability and precision have greatly improved.

Description

A kind of non-contact liquid level measurement amount supplementary structure
Technical field
The utility model is related to the technical field of liquid level measurement of chemical production equipment, relates in particular to a kind of non-contact liquid Position measurement amount supplementary structure.
Background technology
Blowing type liquid level meter can be understood as contact-free level measuring instrumentss.Contact-free level measuring instrumentss are chemical industry One of the most frequently used measuring appliance of industry, can measure to the liquid in open or closed container.Except gas blow pipe and tested Jie Matter contact is outer, blowning installation and differential pressure(Pressure)Transmitter measuring cell is not all contacted with measured medium, so as to protect measurement Element, reduces the maintenance of instrument, increased the reliability of measurement.Because blowning installation can ensure that constant flow rate gas is exported, Differential pressure(Pressure)The pressure that transmitter is measured just can follow the change of gas blow pipe outlet pressure automatically, so, differential pressure(Pressure) The signal of transmitter output just becomes corresponding relation with medium liquid level.Design parameter is generally:(1)Bleed pressure:0.4-0.8 MPa;(2)Pressure-reducing valve output pressure:0.2-0.4 MPa;(3)Recommend air blowing flow:20-3-40 L/H(With specific reference to live work Condition).Negative pressure lateral pressure:PL=P source of the gas+P tank, malleation measuring pressure:PH=P source of the gas+P tank+ρ gH, so can by differential pressure transmitter To calculate to obtain liquid level H.
Blowing type liquid level meter in addition to it can measure the liquid level of clean liquid, be particularly suitable for mordant acid-alkali salt liquid, The larger liquid of viscosity, easily-crystallized liquid, high temperature, the liquid level containing solid particle liquid.
The factor for causing blowing type liquid level measurement amount inaccurate:1. pressure guiding pipe material problem is measured, and original material is PP, and material is relatively Soft, due to buoyancy in tank, or as tank body shakes(With self-circulating pump or with stirring tank be particularly acute)Cause Malleation is surveyed PP tubing and floats into bending, or vacillates now to the left, now to the right, and causes the measurement of malleation measuring pressure unstable.2. blowning installation pipeline has leakage Gas, causes positive/negative-pressure measuring pressure different, and measurement is not inaccurate 3. quantitative to ensure that positive/negative-pressure measuring pressure is consistent.
There is problem above, often cause that liquid level is indescribable significantly to be risen or fallen, the lighter causes operator Member correctly cannot carry out reading to tank fill level;Heavy then due to interlocking effect cause whole production system to face parking danger.
Utility model content
The purpose of this utility model is the defect for above-mentioned prior art, provides a kind of non-contact liquid level measurement amount auxiliary Structure, prevents that non-contact measurement liquid level gauge is indescribable significantly to be risen or fallen, and causes operating personnel correctly right Tank fill level carries out the defect of reading.
To achieve these goals, the technical solution of the utility model is:
A kind of non-contact liquid level measurement amount supplementary structure, including blowning installation, the pressure guiding pipe being arranged in container and impulse The gas blow pipe of pipe connection, the pressure guiding pipe are zirconium pressure guiding pipe in parallel, and the gas blow pipe is two, be set up in parallel and respectively with Zirconium pressure guiding pipe is connected, and the other end of two gas blow pipes is while be connected with a differential pressure transmitter, described air blowing fills The outlet side that puts is connected in parallel two arms, and two arms are respectively communicated with two gas blow pipes, on each arm Permanent flow valve and flowmeter is arranged in series, the permanent flow valve is located at the one end near blowning installation, the flowmeter is located remotely from One end of blowning installation.
Used as the improvement to technique scheme, the flow is calculated as suspended body flowmeter.
Used as the improvement to technique scheme, the port of export of the blowning installation is provided with filtering pressure reducing valve, described blows Device of air is connected with two arms after filtering pressure reducing valve.
Compared with prior art, the beneficial effects of the utility model are:
Non-contact liquid level measurement amount supplementary structure of the present utility model, 1, transform pressure guiding pipe as not only anti-corrosion but also hard zirconium Pressure guiding pipe processed and it is arranged in parallel, so as to avoid pressure guiding pipe from bending in container or dancing, in the middle of zirconium pressure guiding pipe no Weld seam, global formation, reduces the hidden danger point of corrosion air-leakage;2nd, antirust varnish is smeared in outside blowning installation and pipeline external, prevent The blow gas pressure that only pipeline gas leakage causes is forbidden;3rd, install suspended body flowmeter on the spot on positive/negative-pressure gassing pipe additional, ensure pipe In the case of line is gastight, by adjusting flow scale in suspended body flowmeter, and control positive/negative-pressure is coordinated to survey air blowing with permanent flow valve Amount, so as to the blow gas pressure that quantitative control positive/negative-pressure is surveyed, it is ensured that the precision of measurement;4th, two pressure guiding pipes of differential pressure transmitter equilibrium Gas pressure, such that it is able to mutually revise to measurement data, it is ensured that the accuracy of data.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the utility model is further described.
As shown in figure 1, non-contact liquid level measurement amount supplementary structure of the present utility model, including blowning installation 1, is arranged on appearance The gas blow pipe 3 that pressure guiding pipe 2 in device is connected with pressure guiding pipe 2, the pressure guiding pipe 2 are zirconium pressure guiding pipe in parallel, the gas blow pipe 3 is two, is set up in parallel and is connected with the pressure guiding pipe 2 of zirconium respectively, the other end of two gas blow pipes 3 and meanwhile with one Differential pressure transmitter 4 is connected, and the outlet side of the blowning installation 1 is connected in parallel two arms 5, two arms 5 and two Gas blow pipe 3 is respectively communicated with, and has been arranged in series permanent flow valve 6 and flowmeter 7 on each arm 5, and the permanent flow valve 6 is located at and leans on One end of nearly blowning installation 1, the flowmeter 7 are located remotely from one end of blowning installation.The flow is calculated as suspended body flowmeter.
The port of export of the blowning installation 1 is provided with filtering pressure reducing valve 8, and the blowning installation 1 is by after filtering pressure reducing valve 8 It is connected with two arms 5.
Non-contact liquid level measurement amount supplementary structure of the present utility model, 1, transform pressure guiding pipe as not only anti-corrosion but also hard zirconium Pressure guiding pipe processed and it is arranged in parallel, so as to avoid pressure guiding pipe from bending in container or dancing, in the middle of zirconium pressure guiding pipe no Weld seam, global formation, reduces the hidden danger point of corrosion air-leakage;2nd, antirust varnish is smeared in outside blowning installation and pipeline external, prevent The blow gas pressure that only pipeline gas leakage causes is forbidden;3rd, install suspended body flowmeter on the spot on positive/negative-pressure gassing pipe additional, ensure pipe In the case of line is gastight, by adjusting flow scale in suspended body flowmeter, and control positive/negative-pressure is coordinated to survey air blowing with permanent flow valve Amount, so as to the blow gas pressure that quantitative control positive/negative-pressure is surveyed, it is ensured that the precision of measurement;4th, two pressure guiding pipes of differential pressure transmitter equilibrium Gas pressure, such that it is able to mutually revise to measurement data, it is ensured that the accuracy of data.
The above is only a kind of embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of without departing from the utility model know-why, some improvement can also be made, these improve also should It is considered as protection domain of the present utility model.

Claims (3)

1. a kind of non-contact liquid level measurement amount supplementary structure, it is characterised in that:Including blowning installation, the impulse being arranged in container The gas blow pipe that pipe is connected with pressure guiding pipe, the pressure guiding pipe are zirconium pressure guiding pipe in parallel, and the gas blow pipe is two, sets side by side Put and be connected with zirconium pressure guiding pipe respectively, the other end of two gas blow pipes is connected with a differential pressure transmitter simultaneously, The outlet side of the blowning installation is connected in parallel two arms, and two arms are respectively communicated with two gas blow pipes, each Permanent flow valve and flowmeter has been arranged in series on the arm, and the permanent flow valve is located at the one end near blowning installation, the flow Meter is located remotely from one end of blowning installation.
2. non-contact liquid level measurement amount supplementary structure according to claim 1, it is characterised in that:The flow is calculated as float Flowmeter.
3. non-contact liquid level measurement amount supplementary structure according to claim 1, it is characterised in that:The going out of the blowning installation Mouth end is provided with filtering pressure reducing valve, and the blowning installation is connected with two arms after filtering pressure reducing valve.
CN201620774281.0U 2016-07-22 2016-07-22 A kind of non-contact liquid level measurement amount supplementary structure Active CN206002168U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620774281.0U CN206002168U (en) 2016-07-22 2016-07-22 A kind of non-contact liquid level measurement amount supplementary structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620774281.0U CN206002168U (en) 2016-07-22 2016-07-22 A kind of non-contact liquid level measurement amount supplementary structure

Publications (1)

Publication Number Publication Date
CN206002168U true CN206002168U (en) 2017-03-08

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629613A (en) * 2019-10-09 2021-04-09 上海孚凌自动化控制系统股份有限公司 Blowing liquid level meter system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112629613A (en) * 2019-10-09 2021-04-09 上海孚凌自动化控制系统股份有限公司 Blowing liquid level meter system

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