CN202836678U - Liquid level measurement device with scavenging function - Google Patents
Liquid level measurement device with scavenging function Download PDFInfo
- Publication number
- CN202836678U CN202836678U CN 201220409172 CN201220409172U CN202836678U CN 202836678 U CN202836678 U CN 202836678U CN 201220409172 CN201220409172 CN 201220409172 CN 201220409172 U CN201220409172 U CN 201220409172U CN 202836678 U CN202836678 U CN 202836678U
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- China
- Prior art keywords
- liquid level
- flange
- level gauge
- liquidometer
- scavenging duct
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Abstract
A liquid level measurement device with scavenging function belongs to the technical field of retort liquid level measurement equipment and is used for accurately measuring the liquid level in vanadium product production tanks or kettles. The technical scheme includes that the device has a liquidometer matching installation flange, a flange connecting pipe, a scavenging conduit and a nitrogen inlet pipe, a radar liquidometer is installed at one side of the top of a reaction tank or a reaction kettle, the liquidometer matching installation flange is arranged below a liquidometer flange, the flange connecting pipe is connected with the installation flange matched with a liquidometer, one end of the scavenging conduit is arranged at the flange connecting pipe, the nozzle of the scavenging conduit is opposite to the antenna of the radar liquidometer, the other end of the scavenging conduit is connected with the nitrogen inlet pipe and the nitrogen inlet pipe is connected with outer nitrogen source. The liquid level measurement device with scavenging function can blow off liquid suspended solids on the antenna of the radar liquidometer by utilizing the nitrogen blown into to enhance liquid level measurement accuracy and ensure normally level measurement and has the advantages of being stable and reliable in measurement and high in measurement accuracy. The liquid level measurement device with scavenging function has achieved great effect and created considerable economic benefits.
Description
Technical field
The utility model relates to a kind of liquid level emasuring device of measuring liquid level in vanadium production of articles tank or the still, belongs to fluid level measuring device technical field in the retort.
Background technology
Require in the vanadium production of articles level value in retort or the reactor is measured.Because the diameter of tank and still is less, the volume of stirrer or beating pump is large and measuring media often has highly acid, strong basicity and interior logical high-temperature steam, or there are very large slurries of solid-to-liquid ratio, measurement environment is complicated, therefore for this class level gauging, usually adopt at present single flange liquid level transmission device (the static pressure mode is measured) measurement or radar level gauge to measure.Find that in actual production all there is certain shortcoming in these two kinds of metering systems.
When adopting single flange liquid level transmission device to measure, because fluid to be measured or slurries are subjected to the impact of stirrer or beating pump, can make liquid level generation wave or tank and still side are produced extra pressure or suction, make to measure and produce very large error, the liquid level numerical fluctuations is very large, if slurry medium also can make fluid level transmitter diaphragm serious wear etc., these all can make level gauging carry out.Block liquid outlet for fear of corrosive liquids crystallization or slurries, often cancel hand valve, instrument is keeped in repair and must in the stopping production situation liquid in tank and the still or slurries emptying just can be carried out like this, has so not only affected production but also has increased maintenance personal's danger.
When adopting radar level gauge to measure, because the diameter of tank and still is less, the volume of stirrer or beating pump is large and occupy the centre position, the position that radar level gauge is installed is dwindled, liquid evaporates easily or has a high-temperature steam, dewfall on radar antenna affects measuring accuracy soon, and the maintainer is the wiping radar antenna often, because the corrosivity of fluid to be measured, the wiping radar antenna is to maintenance personal's danger close.Owing to by manual wipping dewfall drop, must pull down radar level gauge, so not only dangerous, workload but also large; if wiping is untimely, liquid level just can't be measured, and liquid level can't be measured and liquid often can occur becomes silted up; damage equipment and contaminated environment, even cause stopping production.
The utility model content
The technical problems to be solved in the utility model provide a kind of without the manual wipping radar antenna, can use for a long time and measure reliably, can not damage equipment and contaminated environment have a liquid level emasuring device that purges function.
The technical scheme that solves the problems of the technologies described above is:
A kind of liquid level emasuring device with purging function, comprise radar level gauge in its formation, the liquid level controller table, radar level gauge is installed in top one side of retort or reactor, its improvements are, it also has the supporting mounting flange of liquid level gauge, flange connecting pipe, scavenging duct, the nitrogen inlet tube, the supporting mounting flange of liquid level gauge is connected to the below of liquid level gauge flange, flange connecting pipe is connected with the supporting mounting flange of liquid level gauge, one end of scavenging duct is installed on the flange connecting pipe, the spout of scavenging duct is relative with the antenna of radar level gauge, the other end of scavenging duct is connected with the nitrogen inlet tube, and the nitrogen inlet tube is connected with outside source nitrogen.
Above-mentioned liquid level emasuring device with purging function, described scavenging duct is comprised of belly pipe and ring scavenging duct, the ring scavenging duct is looped around the excircle of flange connecting pipe, belly pipe is 2-6, along ring scavenging duct circumference uniform distribution, the lower end of belly pipe is connected with the ring scavenging duct, and the upper end spout of belly pipe is towards the antenna of radar level gauge, and the belly pipe body becomes 40-70 degree angle with surface level.
Above-mentioned liquid level emasuring device with purging function, described nitrogen inlet tube is provided with solenoid valve, hand valve and rubber fittings, and the control end of solenoid valve is connected with the liquid level controller table.
Usefulness of the present utility model is:
The utility model is regularly opened solenoid valve under the control of liquid level controller table, be blown into nitrogen in flange connecting pipe, and belly pipe blows the liquid suspension on the radar level gauge antenna off, improves liquid level measurement precision and guarantees that level gauging normally carries out.The utility model be not subjected to stirrer or beating pump, steam, dewfall impact, show that data stabilization is reliable, liquid level measurement precision reaches ± 5mm, satisfy the needs of explained hereafter fully, liquid become silted up damage equipment, contaminated environment even cause the situation of stopping production never occur, obtain good effect, create considerable economic benefit.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of the purging part among Fig. 1.
Mark is as follows among the figure: retort or reactor 1, stirrer or beating pump 2, radar level gauge 3, the supporting mounting flange 4 of liquid level gauge, flange connecting pipe 5, belly pipe 6, ring scavenging duct 7, nitrogen inlet tube 8, solenoid valve 9, hand valve 10, rubber fittings 11, liquid level controller table 12.
Embodiment
The utility model comprises radar level gauge 3, the supporting mounting flange 4 of liquid level gauge, flange connecting pipe 5, belly pipe 6, ring scavenging duct 7, nitrogen inlet tube 8, solenoid valve 9, hand valve 10, rubber fittings 11, liquid level controller table 12.
Show among the figure that radar level gauge 3 of the present utility model is installed in top one side of retort or reactor 1.Retort or reactor 1 are very little, in the sodium vanadate slurries of vanadium production of articles are housed, the sodium vanadate slurries are got to thickening pond by the stirrer that is installed in tank or still center or beating pump 2.
Show among the figure that radar level gauge 3 is higher-frequency radar liquid level gauge (mainly refer to 26GHz and 24GHz and more than), it is little to have a mounting distance, and antenna is short, and the characteristics of good directionality are suitable for canister and measure, and radar level gauge 3 is installed on the liquid level gauge flange.
Show among the figure that the supporting mounting flange 4 of liquid level gauge is connected with the liquid level gauge flange by bolt, flange connecting pipe 5 is welded on the supporting mounting flange of liquid level gauge 4 belows, and flange connecting pipe 5 other ends are welded on retort or reactor 1.
Show among the figure, welding 2-6 root belly pipe 6 on the flange connecting pipe 5, belly pipe 6 are obliquely with 5 one-tenths 40-70 degree of flange connecting pipe angle, and belly pipe 6 is along encircling scavenging duct 7 circumference uniform distributions, the lower end of belly pipe 6 and 7 welding of ring scavenging duct purge welding nitrogen inlet tube 8 on the endless tube 7.
An embodiment of the present utility model adopts 3 belly pipes 6, and belly pipe 6 and surface level are in angle of 45 degrees.
Show among the figure that nitrogen inlet tube 8 is provided with solenoid valve 9, hand valve 10 and rubber fittings 11, the control end of solenoid valve 9 is connected with liquid level controller table 12.Liquid level controller table 12 is accepted the 4-20mA standard signal output of radar level gauge 3, and for radar level gauge 3 provides 24VDC or 220VAC power supply signal, and show and control: the level value of retort or reactor 1 also sends the nitrogen blowing of control signal control liquid level gauge antenna to solenoid valve 9.
Liquid level controller table 12 can adopt PLC or DCS.
Above-mentioned flange connecting pipe 5, belly pipe 6, ring scavenging duct 7, nitrogen inlet tube 8, solenoid valve 9, hand valve 10, rubber fittings 11 form nitrogen purging device.Be connected with outside source nitrogen during use, pass into nitrogen, regularly open solenoid valve 9, in flange connecting pipe 5, be blown into nitrogen, liquid suspension on radar level gauge 3 antennas is blown off, improve liquid level measurement precision and also guarantee that level gauging normally carries out, alleviate maintenance personal's labour intensity and corrosion medium to people's injury.
The course of work of the present utility model is:
Measured medium in retort or the reactor 1 is owing to exist steam or because the work of beating pump or stirrer 2, makes on the liquid level gauge antenna drop in the splash, and the transmission of radar wave that the drop resistance is anti-like this causes liquid level to show and forbidden maybe can't show.At this moment liquid level controller table 12 sends control signal to solenoid valve 9, open solenoid valve 9, nitrogen is by rubber fittings 11, hand valve 10(can often leave), solenoid valve 9(regularly opens), nitrogen inlet tube 8, ring scavenging duct 7, belly pipe 6, flange connecting pipe 5 directly purges the antenna of radar level gauge 3, the liquid suspension such as drop is flowed in retort or the reactor 1 along flange connecting pipe 5, reach the clean purpose of antenna, make level gauging reach accurate, reduce to keep in repair the purpose stable with production safety, avoid the liquid damage equipment that becomes silted up, contaminated environment, cause personal injury, even cause the situation of stopping production.
Claims (3)
1. one kind has the liquid level emasuring device that purges function, comprise radar level gauge (3) in its formation, liquid level controller table (12), radar level gauge (3) is installed in top one side of retort or reactor (1), it is characterized in that: it also has the supporting mounting flange of liquid level gauge (4), flange connecting pipe (5), scavenging duct, nitrogen inlet tube (8), the supporting mounting flange of liquid level gauge (4) is connected to the below of liquid level gauge flange, flange connecting pipe (5) is connected with the supporting mounting flange of liquid level gauge (4), one end of scavenging duct is installed on the flange connecting pipe (5), the spout of scavenging duct is relative with the antenna of radar level gauge (3), the other end of scavenging duct is connected with nitrogen inlet tube (8), and nitrogen inlet tube (8) is connected with outside source nitrogen.
2. according to claim 1 have a liquid level emasuring device that purges function, it is characterized in that: described scavenging duct is comprised of belly pipe (6) and ring scavenging duct (7), ring scavenging duct (7) is looped around the excircle of flange connecting pipe (5), belly pipe (6) is 2-6, along ring scavenging duct (7) circumference uniform distribution, the lower end of belly pipe (6) is connected with ring scavenging duct (7), the upper end spout of belly pipe (6) is towards the antenna of radar level gauge (3), and belly pipe (6) body becomes 40-70 degree angle with surface level.
3. according to claim 2 have a liquid level emasuring device that purges function, it is characterized in that: described nitrogen inlet tube (8) is provided with solenoid valve (9), hand valve (10) and rubber fittings (11), and the control end of solenoid valve (9) is connected with liquid level controller table (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409172 CN202836678U (en) | 2012-08-17 | 2012-08-17 | Liquid level measurement device with scavenging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409172 CN202836678U (en) | 2012-08-17 | 2012-08-17 | Liquid level measurement device with scavenging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202836678U true CN202836678U (en) | 2013-03-27 |
Family
ID=47948363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220409172 Expired - Lifetime CN202836678U (en) | 2012-08-17 | 2012-08-17 | Liquid level measurement device with scavenging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202836678U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509803A (en) * | 2015-12-02 | 2016-04-20 | 中盐工程技术研究院有限公司 | Device for accurately measuring liquid level and solid liquid ratio of salt-making evaporation equipment |
| CN106197608A (en) * | 2016-08-29 | 2016-12-07 | 瓮福（集团）有限责任公司 | A kind of blow device for contactless level meter |
| CN106840311A (en) * | 2017-04-01 | 2017-06-13 | 中材建设有限公司 | Material-level detecting device |
| CN109238402A (en) * | 2018-10-22 | 2019-01-18 | 洛阳双瑞万基钛业有限公司 | A kind of device measuring titanium sponge high temperature liquid level in closed container |
| TWI683992B (en) * | 2014-02-11 | 2020-02-01 | 德商Ｖｅｇａ格里沙貝兩合公司 | Material level measuring instrument and method for measuring the topography of filler surface and application of material level measuring instrument |
| CN111337101A (en) * | 2020-03-13 | 2020-06-26 | 国家能源集团宁夏煤业有限责任公司 | Liquid level measuring device |
| CN111707333A (en) * | 2020-07-08 | 2020-09-25 | 南通市海视光电有限公司 | Intelligent sight glass liquid phase detection system |
| CN113758540A (en) * | 2020-06-03 | 2021-12-07 | 中国石油天然气股份有限公司 | Isolation device and liquid storage tank |
-
2012
- 2012-08-17 CN CN 201220409172 patent/CN202836678U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI683992B (en) * | 2014-02-11 | 2020-02-01 | 德商Ｖｅｇａ格里沙貝兩合公司 | Material level measuring instrument and method for measuring the topography of filler surface and application of material level measuring instrument |
| CN105509803A (en) * | 2015-12-02 | 2016-04-20 | 中盐工程技术研究院有限公司 | Device for accurately measuring liquid level and solid liquid ratio of salt-making evaporation equipment |
| CN106197608A (en) * | 2016-08-29 | 2016-12-07 | 瓮福（集团）有限责任公司 | A kind of blow device for contactless level meter |
| CN106840311A (en) * | 2017-04-01 | 2017-06-13 | 中材建设有限公司 | Material-level detecting device |
| CN106840311B (en) * | 2017-04-01 | 2022-05-31 | 中材建设有限公司 | Material level detection device |
| CN109238402A (en) * | 2018-10-22 | 2019-01-18 | 洛阳双瑞万基钛业有限公司 | A kind of device measuring titanium sponge high temperature liquid level in closed container |
| CN109238402B (en) * | 2018-10-22 | 2024-03-01 | 洛阳双瑞万基钛业有限公司 | Device for measuring titanium sponge height Wen Yemian in closed container |
| CN111337101A (en) * | 2020-03-13 | 2020-06-26 | 国家能源集团宁夏煤业有限责任公司 | Liquid level measuring device |
| CN113758540A (en) * | 2020-06-03 | 2021-12-07 | 中国石油天然气股份有限公司 | Isolation device and liquid storage tank |
| CN111707333A (en) * | 2020-07-08 | 2020-09-25 | 南通市海视光电有限公司 | Intelligent sight glass liquid phase detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |