CN108645484A - The radar levelmeter of crystallization-preventive - Google Patents
The radar levelmeter of crystallization-preventive Download PDFInfo
- Publication number
- CN108645484A CN108645484A CN201810286413.9A CN201810286413A CN108645484A CN 108645484 A CN108645484 A CN 108645484A CN 201810286413 A CN201810286413 A CN 201810286413A CN 108645484 A CN108645484 A CN 108645484A
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- CN
- China
- Prior art keywords
- crystallization
- antenna
- protective cover
- ring flange
- cleaning
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a kind of radar levelmeters of crystallization-preventive, including:Level meter ontology, ring flange, antenna, protective cover, cleaning barrel, cleaning pipe, heater, the first temperature sensor, second temperature sensor and comparator;The outside top of protective cover is provided with cleaning barrel; conduit is provided on ring flange; supravasal liquid injection port is detachably connected to across protective cover with the liquid outlet on cleaning barrel; at least two outlets are provided on conduit; each export is provided with and communicated with cleaning pipe, and antenna is provided with multiple nozzles in cleaning pipe;The radar levelmeter of the crystallization-preventive overcomes radar levelmeter in the prior art in the long-term use, often there are solid or liquid particles to be attached on radar ontology and antenna to crystallize, influence its measurement accuracy, regular dismounting is needed to carry out cleaning, the mode of this cleaning is cumbersome, working efficiency is low, scale removal process the problem of there is also security risks.
Description
Technical field
The present invention relates to radar levelmeter fields, and in particular, to a kind of radar levelmeter of crystallization-preventive.
Background technology
Microwave level gauge, is commonly called as radar (Radar) level meter, and radar is English Radio Detection and Raging
The abbreviation of (radio detection and ranging) initial.Using the measurement method of microwave pulse, and can be in industrial frequency wave band model
Enclose interior normal, beam energy is low, is mountable in various metals, nonmetallic vessel or pipeline, to liquid, slurry and particulate material
Level carries out contactless continuous measurement.It is big suitable for dust, temperature, pressure change, there is field existing for inert gas and steam
It closes.Radar levelmeter is to human body and the equal fanout free region of environment, and also have is not influenced by medium proportion, not by change in dielectric constant
It influences, does not need the advantages that scene tunes up, whether industry is needed, or be all good to the economical and practical consideration of customer
Selection.
Radar levelmeter in the prior art in the long-term use, often there is solid or liquid particles
It is attached on radar ontology and antenna and crystallizes, influence its measurement accuracy, regular dismounting is needed to carry out cleaning, this cleaning
Mode is cumbersome, and working efficiency is low, and there is also security risks for scale removal process.
Therefore it provides a kind of crystallization content that can be efficiently reduced in use on radar ontology and antenna, and
A small amount of crystalline solid can also be cleared up automatically, be this hair to prevent from influencing the radar levelmeter of crystallization-preventive of measurement accuracy
The problem of bright urgent need to resolve.
Invention content
In view of the above technical problems, the purpose of the present invention is overcome radar levelmeter in the prior art
In the long-term use, often there are solid or liquid particles to be attached on radar ontology and antenna to crystallize, influence its measurement accuracy,
Regular dismounting is needed to carry out cleaning, the mode of this cleaning is cumbersome, and working efficiency is low, and there is also safety for scale removal process
The problem of hidden danger, to provide a kind of crystallization content that can be efficiently reduced in use on radar ontology and antenna, and
And a small amount of crystalline solid can also be cleared up automatically, to prevent influence measurement accuracy crystallization-preventive radar levelmeter.
To achieve the goals above, the present invention provides a kind of radar levelmeter of crystallization-preventive, the radars of the crystallization-preventive
Level meter includes:Level meter ontology, ring flange, antenna, protective cover, cleaning barrel, cleaning pipe, heater, the first temperature sensor,
Second temperature sensor and comparator;The level meter ontology is fixed on the upper surface of the ring flange, and the level meter sheet
The lower end of body passes through the ring flange to connect the antenna, and the protective cover is detachably secured to the upper surface of the ring flange,
And the level meter ontology is covered;The outside top of the protective cover is provided with cleaning barrel, is provided with and leads on the ring flange
Pipe, the supravasal liquid injection port are detachably connected to across the protective cover with the liquid outlet on the cleaning barrel, the conduit
On be provided at least two outlets, cleaning pipe is provided with and communicated in each outlet, is arranged towards the antenna in the cleaning pipe
There are multiple nozzles;The heater is arranged to be provided with and the heater on the side of the antenna, the level meter ontology
The controller of electric connection, the controller are used to control the switch of the heater, and the first temperature sensor setting exists
The other side of the antenna, the second temperature sensor are arranged on the ring flange, first temperature sensor and institute
It states second temperature sensor to be electrically connected with the comparator respectively, the comparator is electrically connected with the controller, in institute
It is described when stating comparator and detecting that the temperature difference between first temperature sensor and the second temperature sensor is more than 5 DEG C
Controller controls the heater starting, and otherwise, the controller controls the heater and closes.
Preferably, cleaning pipe setting parallel with the side of the antenna, and the length of the cleaning pipe is more than institute
State the length of antenna.
Preferably, the lateral surface of the protective cover is relatively set at least two fixed plates, is provided in the fixed plate
Mounting hole, the fixed plate are bolted on the ring flange.
Preferably, the lower surface of the protective cover is provided with sealing ring, the upper table of the ring flange along the edge of opening
Face is provided with and the matched annular groove of the sealing ring.
Preferably, the sealing ring is rubber material.
Preferably, it is screw-type connection between the liquid outlet in the supravasal liquid injection port and the cleaning barrel.
Preferably, the observation window of transparence is additionally provided on the protective cover.
According to above-mentioned technical proposal, the radar levelmeter of crystallization-preventive provided by the invention when in use, utilizes the protection
Cover covers the level meter ontology, to protect the level meter ontology, the antenna and the level meter sheet in order to prevent
There are the temperature difference between body, cause to generate crystallization on the antenna, it is described to add to influence the measurement accuracy of the radar levelmeter
Hot device can balance the temperature difference between the antenna and the level meter ontology, prevent crystalline polamer, utilize described first
Temperature sensor and the second temperature sensor monitor the temperature of the antenna and the level meter ontology, to intelligent starting
The heater can not avoid this problem, be also set up in the present invention although can reduce the probability of antenna crystallization in this way
There are wiper mechanism, i.e. cleaning barrel and nozzle to match to clear up the crystal on the antenna.It is provided by the invention anti-
The radar levelmeter of crystallization overcomes radar levelmeter in the prior art in the long-term use, Chang Yougu
Body or liquid particles are attached on radar ontology and antenna and crystallize, and influence its measurement accuracy, and regular dismounting is needed to carry out scavenger
Make, the mode of this cleaning is cumbersome, and working efficiency is low, scale removal process the problem of there is also security risks.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 be the present invention a kind of preferred embodiment in the structural representation of the radar levelmeter of crystallization-preventive that provides
Figure;
Fig. 2 be the present invention a kind of preferred embodiment in the assembly of the radar levelmeter upper nozzle of crystallization-preventive that provides
Figure;
Fig. 3 be the present invention a kind of preferred embodiment on the radar levelmeter of crystallization-preventive that provides protective cover knot
Structure schematic diagram;
Fig. 4 be the present invention a kind of preferred embodiment in the control of the radar levelmeter upper heater of crystallization-preventive that provides
Schematic diagram processed.
Reference sign
1 level meter ontology, 2 ring flange
3 antenna, 4 nozzle
5 cleaning pipe, 6 fixed plate
7 bolt, 8 protective cover
9 conduit, 10 cleaning barrel
11 mounting hole, 12 sealing ring
13 annular groove, 14 first temperature sensor
15 heater, 16 second temperature sensor
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality that " upper and lower, inside and outside " etc. is included in the term
Only represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as pair
The limitation of the term.
As shown in Figs 1-4, the present invention provides a kind of radar levelmeter of crystallization-preventive, the radar levelmeters of the crystallization-preventive
Including:Level meter ontology 1, ring flange 2, antenna 3, protective cover 8, cleaning barrel 10, cleaning pipe 5, heater 15, the first temperature sensing
Device 14, second temperature sensor 16 and comparator;The level meter ontology 1 is fixed on the upper surface of the ring flange 2, and described
The lower end of level meter ontology 1 connects the antenna 3 across the ring flange 2, and the protective cover 8 is detachably secured to the flange
The upper surface of disk 2, and the level meter ontology 1 is covered;The outside top of the protective cover 8 is provided with cleaning barrel 10, described
Conduit 9 is provided on ring flange 2, the liquid injection port on the conduit 9 passes through the protective cover 8 to go out liquid on the cleaning barrel 10
Mouthful detachable connection is provided at least two outlets on the conduit 9, cleaning pipe 5 is provided with and communicated in each outlet, described clear
It washes on pipe 5 and the antenna 3 is provided with multiple nozzles 4;The heater 15 is arranged in the side of the antenna 3, the object
It is provided with the controller being electrically connected with the heater 15 on the meter ontology 1 of position, the controller is for controlling the heater
15 switch, first temperature sensor 14 are arranged in the other side of the antenna 3, and the second temperature sensor 16 is arranged
On the ring flange 2, first temperature sensor 14 is electric with the comparator respectively with the second temperature sensor 16
Property connection, the comparator and the controller be electrically connected, and first temperature sensor 14 is detected in the comparator
When the temperature difference between the second temperature sensor 16 is more than 5 DEG C, the controller controls the heater 15 and starts, no
Then, the controller controls the heater 15 and closes.
According to above-mentioned technical proposal, the radar levelmeter of crystallization-preventive provided by the invention when in use, utilizes the protection
Cover 8 covers the level meter ontology 1, to protect the level meter ontology 1, the antenna 3 and the level in order to prevent
There are the temperature difference between meter ontology 1, cause to generate crystallization on the antenna 3, to influence the measurement accuracy of the radar levelmeter,
The heater 15 can balance the temperature difference between the antenna 3 and the level meter ontology 1, prevent crystalline polamer, profit
The antenna 3 and the level meter ontology 1 are monitored with first temperature sensor 14 and the second temperature sensor 16
Temperature, although can reduce the probability of antenna crystallization in this way, can not avoid this to heater 15 described in intelligent starting
Problem, is additionally provided with wiper mechanism in of the invention, i.e. cleaning barrel 10 and nozzle 4 matches to the crystal on the antenna 3
It is cleared up.The radar levelmeter of crystallization-preventive provided by the invention overcomes radar levelmeter in the prior art
In the long-term use, often there are solid or liquid particles to be attached on radar ontology and antenna to crystallize, influence its measurement accuracy,
Regular dismounting is needed to carry out cleaning, the mode of this cleaning is cumbersome, and working efficiency is low, and there is also safety for scale removal process
The problem of hidden danger.
In a kind of preferred embodiment of the present invention, the cleaning pipe 5 is parallel with the side of the antenna 3 to be set
It sets, and the length of the cleaning pipe 5 is more than the length of the antenna 3.This structure can make the nozzle to the antenna 3
The effect of cleaning is more preferable.
In a kind of preferred embodiment of the present invention, the lateral surface of the protective cover 8 is relatively set at least two pieces
Fixed plate 6 is provided with mounting hole 11 in the fixed plate 6, and the fixed plate 6 is fixed on by bolt 7 on the ring flange 2.
The structure, which facilitates, is firmly secured at the protective cover 8 on the ring flange 2, and easy to disassemble.
In a kind of preferred embodiment of the present invention, the lower surface of the protective cover 8 is arranged along the edge of opening
There are sealing ring 12, the upper surface of the ring flange 2 to be provided with and 12 matched annular groove 13 of the sealing ring.When in use,
When the protective cover is fixed on the ring flange 2, the lower surface of the protective cover 8 of the lower surface of the protective cover 8 is resisted against
On the annular groove 13, so that the protective cover 8 and the gap of 2 time of the ring flange are filled, it can prevent in this way
Rainy day rainwater damages the level meter ontology from being entered in gap in the protective cover 8.
In a kind of preferred embodiment of the present invention, the sealing ring 12 is rubber material, which is easy to obtain,
And stability is strong, and corrosion-resistant, sealing effect when in use might as well.
In a kind of preferred embodiment of the present invention, in the liquid injection port and the cleaning barrel 10 on the conduit 9
It is screw-type connection between liquid outlet.The connection type not only stable connection, but also convenient for users to dismounting, to cleaning barrel 10 into
Row cleaning, it is easy to operate.
In a kind of preferred embodiment of the present invention, the observation window of transparence is additionally provided on the protective cover 8.From
And situation inside the protective cover 8 is supervised when easy to use.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of radar levelmeter of crystallization-preventive, which is characterized in that the radar levelmeter of the crystallization-preventive includes:Level meter ontology
(1), ring flange (2), antenna (3), protective cover (8), cleaning barrel (10), cleaning pipe (5), heater (15), the first temperature sensing
Device (14), second temperature sensor (16) and comparator;
The level meter ontology (1) is fixed on the upper surface of the ring flange (2), and the lower end of the level meter ontology (1) is worn
It crosses the ring flange (2) and connects the antenna (3), the protective cover (8) is detachably secured to the upper table of the ring flange (2)
Face, and the level meter ontology (1) is covered;
The outside top of the protective cover (8) is provided with cleaning barrel (10), and conduit (9) is provided on the ring flange (2), described
Liquid injection port on conduit (9) is detachably connected to across the protective cover (8) with the liquid outlet on the cleaning barrel (10), described to lead
At least two outlets are provided on pipe (9), each export is provided with and communicated with cleaning pipe (5), towards institute on the cleaning pipe (5)
It states antenna (3) and is provided with multiple nozzles (4);
Heater (15) setting is provided with and the heating on the side of the antenna (3), the level meter ontology (1)
The controller that device (15) is electrically connected, the controller are used to control the switch of the heater (15), and first temperature passes
Sensor (14) setting is arranged in the other side of the antenna (3), the second temperature sensor (16) in the ring flange (2)
On, first temperature sensor (14) is electrically connected with the comparator respectively with the second temperature sensor (16), institute
It states comparator and the controller to be electrically connected, first temperature sensor (14) and described the is detected in the comparator
When the temperature difference between two temperature sensors (16) is more than 5 DEG C, the controller controls the heater (15) and starts, otherwise, institute
It states controller and controls heater (15) closing.
2. the radar levelmeter of crystallization-preventive according to claim 1, which is characterized in that the cleaning pipe (5) and the day
The parallel setting in side of line (3), and the length of the cleaning pipe (5) is more than the length of the antenna (3).
3. the radar levelmeter of crystallization-preventive according to claim 1, which is characterized in that the lateral surface of the protective cover (8)
At least two fixed plates (6) are relatively set with, mounting hole (11) is provided on the fixed plate (6), the fixed plate (6) passes through
Bolt (7) is fixed on the ring flange (2).
4. the radar levelmeter of crystallization-preventive according to claim 1, which is characterized in that the lower surface of the protective cover (8)
The edge of opening is provided with sealing ring (12), the upper surface of the ring flange (2) is provided with and the sealing ring (12) phase
The annular groove (13) of cooperation.
5. the radar levelmeter of crystallization-preventive according to claim 4, which is characterized in that the sealing ring (12) is rubber material
Matter.
6. the radar levelmeter of crystallization-preventive according to claim 1, which is characterized in that the liquid injection port on the conduit (9)
It is screw-type connection between the liquid outlet on the cleaning barrel (10).
7. the radar levelmeter of crystallization-preventive according to claim 1, which is characterized in that also set up on the protective cover (8)
There is the observation window of transparence.
Priority Applications (1)
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CN201810286413.9A CN108645484A (en) | 2018-04-03 | 2018-04-03 | The radar levelmeter of crystallization-preventive |
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CN201810286413.9A CN108645484A (en) | 2018-04-03 | 2018-04-03 | The radar levelmeter of crystallization-preventive |
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CN108645484A true CN108645484A (en) | 2018-10-12 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109696224A (en) * | 2019-01-28 | 2019-04-30 | 南京善元琛波自动化设备有限公司 | A kind of radar levelmeter having safeguard function |
CN109959424A (en) * | 2019-04-10 | 2019-07-02 | 唐山三友集团兴达化纤有限公司 | A kind of device of Antenna Type radar level gauge guided wave measurement liquid level |
CN111351546A (en) * | 2020-03-18 | 2020-06-30 | 安徽马钢张庄矿业有限责任公司 | Accurate liquid level measuring device and method for stirring barrel |
CN111619985A (en) * | 2020-06-08 | 2020-09-04 | 南阳杜尔气体装备有限公司 | Protective cover for liquid level meter on vacuum storage tank |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006063930A1 (en) * | 2004-12-13 | 2006-06-22 | Endress+Hauser Gmbh+Co.Kg | Measuring device for process measurement technology comprising an antenna that is equipped with a rinsing device |
CN104142169A (en) * | 2013-05-07 | 2014-11-12 | Vega格里沙贝两合公司 | Fill level gauge with rinsing device |
CN204064395U (en) * | 2014-08-20 | 2014-12-31 | 中国神华能源股份有限公司 | A kind of radar levelmeter equipment |
CN205926485U (en) * | 2016-08-23 | 2017-02-08 | 邱敬敏 | Automatic device that sweeps of radar level gauge |
CN205981366U (en) * | 2016-08-31 | 2017-02-22 | 福建铁拓机械有限公司 | Measure stably and high hot feed bin burden level examining device of precision |
CN107014464A (en) * | 2016-01-28 | 2017-08-04 | 恩德莱斯和豪瑟尔两合公司 | Level gauging equipment |
CN207019749U (en) * | 2017-08-08 | 2018-02-16 | 亚洲硅业(青海)有限公司 | A kind of protection structure of droplet-shaped radar level gauge in paste system measurement |
-
2018
- 2018-04-03 CN CN201810286413.9A patent/CN108645484A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006063930A1 (en) * | 2004-12-13 | 2006-06-22 | Endress+Hauser Gmbh+Co.Kg | Measuring device for process measurement technology comprising an antenna that is equipped with a rinsing device |
CN104142169A (en) * | 2013-05-07 | 2014-11-12 | Vega格里沙贝两合公司 | Fill level gauge with rinsing device |
CN204064395U (en) * | 2014-08-20 | 2014-12-31 | 中国神华能源股份有限公司 | A kind of radar levelmeter equipment |
CN107014464A (en) * | 2016-01-28 | 2017-08-04 | 恩德莱斯和豪瑟尔两合公司 | Level gauging equipment |
CN205926485U (en) * | 2016-08-23 | 2017-02-08 | 邱敬敏 | Automatic device that sweeps of radar level gauge |
CN205981366U (en) * | 2016-08-31 | 2017-02-22 | 福建铁拓机械有限公司 | Measure stably and high hot feed bin burden level examining device of precision |
CN207019749U (en) * | 2017-08-08 | 2018-02-16 | 亚洲硅业(青海)有限公司 | A kind of protection structure of droplet-shaped radar level gauge in paste system measurement |
Non-Patent Citations (1)
Title |
---|
张惠荣 等: "《热工仪表及其维护》", 31 January 2012, 冶金工业出版社 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109696224A (en) * | 2019-01-28 | 2019-04-30 | 南京善元琛波自动化设备有限公司 | A kind of radar levelmeter having safeguard function |
CN109959424A (en) * | 2019-04-10 | 2019-07-02 | 唐山三友集团兴达化纤有限公司 | A kind of device of Antenna Type radar level gauge guided wave measurement liquid level |
CN109959424B (en) * | 2019-04-10 | 2021-07-20 | 唐山三友集团兴达化纤有限公司 | Device for measuring liquid level by guided wave of antenna type radar liquid level meter |
CN111351546A (en) * | 2020-03-18 | 2020-06-30 | 安徽马钢张庄矿业有限责任公司 | Accurate liquid level measuring device and method for stirring barrel |
CN111619985A (en) * | 2020-06-08 | 2020-09-04 | 南阳杜尔气体装备有限公司 | Protective cover for liquid level meter on vacuum storage tank |
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