CN1041219A - A kind of detection liquid chloro level method and its special calibrating device - Google Patents
A kind of detection liquid chloro level method and its special calibrating device Download PDFInfo
- Publication number
- CN1041219A CN1041219A CN 89108042 CN89108042A CN1041219A CN 1041219 A CN1041219 A CN 1041219A CN 89108042 CN89108042 CN 89108042 CN 89108042 A CN89108042 A CN 89108042A CN 1041219 A CN1041219 A CN 1041219A
- Authority
- CN
- China
- Prior art keywords
- liquid
- level
- chloro
- electrical capacitance
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 125000001309 chloro group Chemical group Cl* 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 title claims abstract description 11
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 19
- 231100000252 nontoxic Toxicity 0.000 claims abstract description 4
- 230000003000 nontoxic effect Effects 0.000 claims abstract description 4
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims description 2
- 210000005239 tubule Anatomy 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 235000017168 chlorine Nutrition 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 240000006705 Pistacia terebinthus Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to a kind of detection liquid chloro level method and its special calibrating device thereof.The present invention adopts electrical capacitance levelmeter, select homemade UYZ-54 electrode sensor, as demarcating substituted liquid injection its special calibrating device the level meter instrument is carried out " zero-bit " and " full scale " adjustment with certain specific inductive capacity and the akin non-toxic aq of liquid chlorine, will carry out Level Detection in the calibrated level meter input liquid chlorine production equipment again.Cost of the present invention is low, and technology is simple, and can improve working conditions, and reduces labor intensity.
Description
The present invention relates to a kind of detection liquid chloro level method and its special calibrating device, belong to the automatic detection range technology of chemical industry.
Chlorine is a kind of broad-spectrum Elementary Chemical Industry raw material.In order to make chlorine purity height, be convenient to accumulating, come into the market to be liquid state as the chlorine of commodity, therefore, domestic and international most chlor-alkali plant all have the liquid chlorine production process.In producing the liquid chlorine process in order to grasp the production initiative and to guarantee safety, frequent liquid chlorine liquid level variation situation in the checkout equipment.(often be operated in-38 ℃～+ 60 ℃ scopes 100 ℃ of △ t ≈ because the specific (special) requirements of the severe corrosive of liquid chlorine and some physical characteristics and vessel safety as the liquid chlorine vaporizing jar, memory medium is poisonous, design pressure 1.6Mpa, belong to third class(grade) pressure vessel), container to various splendid attire liquid chlorines does not allow to install gage glass, is not suitable for adopting other conventional liquid level instruments yet.
According to " chlor-alkali production technology " (chemical department of the Ministry of Chemical Industry published in 198 5) book introduction, chlor-alkali plant generally adopts the magnetic float liquid level emasuring device both at home and abroad now.This kind liquid level gauge basic structure is to be made of magnetic float, slideway, magnetoelectricity conversion equipment and secondary instrument, slideway is inserted into and stores in the liquid chloro container, float floats on the liquid level all the time, slide up and down along slideway with liquid surface lifting, the magnetisable material sensing of float is given conversion equipment, make output electric signal and the sexual intercourse of float position retention wire, the instant float place height that gives expression to.Adopt the shortcoming of magnetic float liquidlevel meter to be: because float will stand the withstand voltage experiment of 2.2MPa pressure, material and welding quality have deviation or the spot corrosion of float outer wall saturating slightly, all can make float lose sensing function; Also may cause the result that float is blocked if occur the erosion point on the slideway; In case Sensor section breaks down, just need manually by keeping in repair in the hand-hole access arrangement on the tankage, and liquid chlorine has strong toxicity working condition very severe in the equipment, greatly endangers workers'health.
Level meter aspect authority's West Germany E+H company recommends to use gamma-rays liquid level gauge (seeing annex 2 for details) in the world today, but every this kind of cover liquid level gauge order needs more than 120,000 yuan of Renminbi, and cost is too high; In addition, the front man generally is reluctant to contact this class ray instrument at home.Therefore, this kind liquid level gauge also is not suitable for China's national situation.
The objective of the invention is to: overcome the deficiency of prior art, provide a kind of cost new-type detection liquid chloro level method and its special calibrating device thereof low, stable and reliable for performance.
Detection method provided by the present invention is to adopt the electrical capacitance levelmeter of being made up of conformable display and sensor that liquid chloro level is detected, and concrete steps are as follows:
A. select the general supporting formation integral capacitor of the conformable display level meter of UYZ-54 ferrule sleeve compound electrode sensor and this series;
B. earlier selected electrical capacitance levelmeter sensor is packed in the caliberating device, relative dielectric constant being approximately the 1.81-2.01(corresponding temperature again is+60 ℃～-30 ℃), boiling point injects this caliberating device at certain non-toxic aq more than 100 ℃ as the liquid chlorine substituted liquid, then the level meter instrument is carried out " zero-bit " and " full scale " and adjusts, demarcates;
C. calibrated electrical capacitance levelmeter is reinstalled in the container that stores liquid chlorine liquid chloro level is detected.
When stating method on the implementation, can directly utilize production equipment to carry out at the scene to the demarcation of liquid level gauge instrument, be about to open mouth of pipe top flange in the selected substituted liquid injection device, Direct observation " zero-bit " and " full scale " be with the adjustment instrument.But need like this to consume a large amount of substituted liquids and also need cleaning equipment afterwards.For this reason, the present invention also provides and has implemented said method and special-purpose caliberating device, its concrete structure is: main body is upright φ 57 steel pipes, the sensor of electrical capacitance levelmeter is packed into from the main body top ports, establish a tubule that is used to add substituted liquid on the main body upper portion side wall, bottom part body is equipped with three-legged support, adorns a stop valve on the main body bottom face, a transparent nylon pipe of parallel dressing with main body linker, its length are greater than the maximum height that needs to survey liquid chloro level.
Accompanying drawing is special-purpose caliberating device structural representation among the present invention.
Below in conjunction with embodiment the present invention is done detailed argumentation:
Adopt UYZ-50 series capacitance liquid level meter, at first will be according to rerum natura and operating conditions type selecting from the sensor of more than 50 kind of different model of its six class (seeing annex 1 for details) of measured medium.In the present invention, according to gained industry liquid chlorine conductivity 6.0～7.3 * 10 in industrial liquid chlorine water cut≤0.05% of stipulating among the GB5138-85, the experiment
-7Two data of v/cm, comprehensive again other process conditions of liquid chlorine have been selected UYZ-54 jacket socket compound electrode sensor.
Because initial capacitance C with the different electrical capacitance levelmeter instrument of application scenario and measured medium.And capacitance all has great changes when measuring full scale, so after instrument manufacturing plant regulation must carry out the adjustment, demarcation of scene " zero-bit " and " full scale " to instrument, can normal operation input (seeing annex 1 for details).Common this demarcation is exactly the level meter sensor production equipment of packing into is charged into measured medium in the equipment again, according to " zero-bit " that observe directly and " full scale " adjustment instrument.But this is inapplicable to the liquid chlorine vaporizing jar, because liquid chloro container all belongs to third class(grade) pressure vessel, does not allow glaze liquid level meter; Liquid chlorine will gasify rapidly under normal pressure and be again noxious material simultaneously, can not open its inner case of mouth of pipe Direct observation.For this reason, the present invention is according to electrical capacitance levelmeter principle of work (C=(24.1 ∈ r) xL/Ln(R/r), in the formula: C-sensor electrical interpolar electric capacity, measured medium relative dielectric constant between ∈ r-electrode, in coaxial two electrodes of R.r-. external radius, institute's filling medium controlling level between L-two electrodes), the relative dielectric constant that elder generation's experiment test goes out liquid chlorine (corresponding temperature+60 ℃～-30 ℃) between 1.81-2.01, find out the akin therewith a. pentane of specific inductive capacity again, b. transformer oil, c. turpentine wet goods non-toxic aq is as demarcating substituted liquid, wherein pentane replaces the calibrated error minimum, but it is inflammable, and is volatile and be more difficult to get.
Most preferred embodiment of the present invention is to select UYZ-541B type sensor.With transformer oil as demarcating substituted liquid; Adopt its special calibrating device shown in the drawings, this device main body 4 is upright φ 57 steel pipes, draw a substituted liquid input pipe 2 on its upper portion side wall, its bottom is being adorned fixing with three-legged support 6, adorn a stop valve 7 on its bottom face, the transparent nylon pipe 3 of adorning a length greater than need survey liquid chloro level maximum height in parallel makes nylon tube 3 and main body 4 become linker by two bite type elbows 5 outside main body 4.Electrical capacitance levelmeter 1 timing signal is just packed into from main body 4 top ports.
Advantage of the present invention is:
1. compare with adopting the test of magnetic float liquid level meter, the present invention has simplified the design and manufacture process of production equipment greatly, and a leaving-one method is blue at the holding vessel top gets final product.
2. measure the transducing part movement-less part, except the periodic cleaning electrode, almost need not maintenance; And install or maintenance all needn't access arrangement, greatly improved the working condition of shop floor worker, subtracted clearly labour intensity.
3. compare with the import gamma ray level meter, enforcement cost of the present invention is 1/60 of its price, can save great amount of investment.
4. owing to adopted its special calibrating device, in calibration process, can save a large amount of substituted liquids. Improve the work efficiency of demarcating.
Claims (3)
1, a kind of detection liquid chloro level method is characterized in that: adopt the electrical capacitance levelmeter of forming by conformable display and electrode sensor to detect,
A. select the general supporting formation integral capacitor of the conformable display level meter of UYZ-54 jacket socket compound electrode sensor and this series,
B. earlier selected electrical capacitance levelmeter sensor is packed in the caliberating device, certain boiling point that relative dielectric constant is approximately 1.81～2.01 (corresponding temperature is+60 ℃～-30 ℃) injects this caliberating device at the non-toxic aq more than 100 ℃ as the liquid chlorine substituted liquid again, then the level meter instrument being carried out " zero-bit " and " full scale " adjusts, demarcates
C. calibrated electrical capacitance levelmeter is reinstalled in the container that stores liquid chlorine liquid chloro level is detected.
2, detection liquid chloro level method according to claim 1 is characterized in that: the liquid chlorine substituted liquid that injects caliberating device is a transformer oil.
3, its special calibrating device of detection method according to claim 1, it is characterized in that: main body is upright φ 57 steel pipes, draw a tubule that is used to add substituted liquid on its upper portion side wall, three-legged support is equipped with in the bottom, parallelly with main body adorning a transparent nylon pipe linker, its length is greater than the maximum height that needs to survey liquid chloro level, and the sensor of electrical capacitance levelmeter is packed into from the main body top ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89108042 CN1041219A (en) | 1989-10-28 | 1989-10-28 | A kind of detection liquid chloro level method and its special calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89108042 CN1041219A (en) | 1989-10-28 | 1989-10-28 | A kind of detection liquid chloro level method and its special calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1041219A true CN1041219A (en) | 1990-04-11 |
Family
ID=4857425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89108042 Pending CN1041219A (en) | 1989-10-28 | 1989-10-28 | A kind of detection liquid chloro level method and its special calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1041219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439880C (en) * | 2004-09-28 | 2008-12-03 | 恩德莱斯和豪瑟尔两合公司 | Manufacturing-side calibration of a measuring device for capacitive fill level measurement and corresponding measuring device |
-
1989
- 1989-10-28 CN CN 89108042 patent/CN1041219A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439880C (en) * | 2004-09-28 | 2008-12-03 | 恩德莱斯和豪瑟尔两合公司 | Manufacturing-side calibration of a measuring device for capacitive fill level measurement and corresponding measuring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216283780U (en) | Automatic detection device for water level of rice field surface | |
| CN216119856U (en) | Capsule type transformer stores up oil tank | |
| CN1041219A (en) | A kind of detection liquid chloro level method and its special calibrating device | |
| CN2622681Y (en) | Self-calibration and capacitor type level gage | |
| CN209326747U (en) | A kind of intelligence floating ball lever meter | |
| CN113916435A (en) | Pressure monitoring device for electrolytic cell | |
| CN2315545Y (en) | multi-point thermal effect liquid level meter | |
| CN2387520Y (en) | High precision capacitive sensing liquid level measurer | |
| CN2465174Y (en) | Industrial online alcohol meter | |
| CN2514341Y (en) | Automatic corrosion tester | |
| CN2513088Y (en) | Sensor for detecting and controlling receptive level of blast furnace air tight box water cool system | |
| CN2072677U (en) | Integrated electric connection point tank gage | |
| CN103868567A (en) | Capacitance liquid level transmitter | |
| CN2345965Y (en) | Capacitive level meter | |
| CN212674207U (en) | Multifunctional safety detection system for large container | |
| CN1122824C (en) | Self-calibrating capacitor-type liquid level gauge | |
| CN2203444Y (en) | Gravity multi-point automatic charge level measuring sensor | |
| CN2271706Y (en) | Intelligent sodium level meter | |
| CN2499804Y (en) | High precision boundary measuring device | |
| CN2380910Y (en) | Self-calibrating capacitor level-gage | |
| CN212830529U (en) | Metering tank that measurement accuracy is high | |
| CN219628230U (en) | Cooling device suitable for electrolytic tank storage bin material quantity detection equipment to work in high-temperature environment | |
| CN215677219U (en) | Cold-resistant, high-temperature-resistant and corrosion-resistant liquid level meter | |
| CN214174067U (en) | A detection apparatus for be used for wax control rate of wax control agent | |
| CN202547729U (en) | Liquid level measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |