CN108645484A - The radar levelmeter of crystallization-preventive - Google Patents

The radar levelmeter of crystallization-preventive Download PDF

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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
Authority
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.)
Pending
Application number
CN201810286413.9A
Other languages
Chinese (zh)
Inventor
宋琪
舒航
王威
邓禹
张家巍
宋旋
陈坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Hangfei Science and Technology Co Ltd
Original Assignee
Wuhu Hangfei Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhu Hangfei Science and Technology Co Ltd filed Critical Wuhu Hangfei Science and Technology Co Ltd
Priority to CN201810286413.9A priority Critical patent/CN108645484A/en
Publication of CN108645484A publication Critical patent/CN108645484A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22Indicating 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
    • G01F23/28Indicating 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
    • G01F23/284Electromagnetic 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

The radar levelmeter of crystallization-preventive
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.
CN201810286413.9A 2018-04-03 2018-04-03 The radar levelmeter of crystallization-preventive Pending CN108645484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810286413.9A CN108645484A (en) 2018-04-03 2018-04-03 The radar levelmeter of crystallization-preventive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810286413.9A CN108645484A (en) 2018-04-03 2018-04-03 The radar levelmeter of crystallization-preventive

Publications (1)

Publication Number Publication Date
CN108645484A true CN108645484A (en) 2018-10-12

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Cited By (4)

* Cited by examiner, † Cited by third party
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

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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

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Cited By (5)

* Cited by examiner, † Cited by third party
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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Application publication date: 20181012

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