CN108955820A - A kind of radar level gauge of novel high-precision - Google Patents
A kind of radar level gauge of novel high-precision Download PDFInfo
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- CN108955820A CN108955820A CN201811042408.XA CN201811042408A CN108955820A CN 108955820 A CN108955820 A CN 108955820A CN 201811042408 A CN201811042408 A CN 201811042408A CN 108955820 A CN108955820 A CN 108955820A
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The present invention relates to liquid level emasuring device technical fields, and the radar level gauge for disclosing a kind of novel high-precision includes gauge outfit, rotating bar is fixedly connected with below the gauge outfit, the rotating bar lower end offers downward opening inner cavity, the slotting axis being rotatablely connected with it is installed in inner cavity of rotating bar, the lower end surface of the slotting axis is fixedly connected with connecting rod, the lower end surface of the connecting rod is fixedly connected with antenna, the axle body of the connecting rod is arranged with protection pipe, the lower end surface of the protection pipe is provided with connecting flange, undertaking flange is provided with below the connecting flange, the centrally under for accepting flange is fixedly connected with waveguide pipe, the axle body of the waveguide pipe is provided with protecting tube, the lower end surface of the protecting tube is fixedly connected with screen pipe, the radar level gauge of the novel high-precision, keep back wave steady, weaken electromagnetic wave False wave is reflected, measurement accuracy is improved, avoids the disadvantage of the low liquid measure inaccuracy of dielectric constant, enhance measurement effect.
Description
Technical field
The present invention relates to liquid level emasuring device technical field, specially a kind of radar level gauge of novel high-precision.
Background technique
Radar level gauge belongs to General Radar liquidometer, its measuring instruments based on time stroke principle, radar wave with
Light velocity operation, runing time can be converted into level signal by electronic component, and probe issues high-frequency impulse in space with light
Speed is propagated, and is reflected when pulse encounters surface of material and is received by the receiver in instrument, and converts object for distance signal
Position signal, radar level gauge are made of gauge outfit, receiving antenna antenna and sealing device etc., are emitted by antenna and received electromagnetic wave,
According to the speed of electromagnetic transmission and received time, the height of liquid level is calculated.
Radar level gauge is divided into contact and contactless currently on the market, larger or dielectric is normal in some liquid fluctuatings
In the lesser liquid of number, the guide wave radar liquid level gauge of contact is usually used, guide wave radar liquid level gauge currently on the market has bar
Formula and cable formula, it can effectively avoid the influence of multiecho, but the liquid small for dielectric constant, back wave is weaker,
Cause existing radar level gauge measurement inaccurate, provides a kind of radar level gauge of novel high-precision accordingly to solve above-mentioned ask
Topic.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of radar level gauge of novel high-precision, the precise measurement that has
The advantages that liquid level of the small liquid of dielectric constant, solves the problems, such as to lead to measurement inaccuracy because liquid dielectric is small, furthermore
Also there is weakening influence of fluctuations by waveguide pipe and baffle, improve measurement accuracy, avoid sundries dirty by filter layer and defoaming plate
Guided wave inside pipe wall is contaminated, the influence of false wave is avoided, has reached the benefit for improving measurement accuracy.
(2) technical solution
To realize above-mentioned precise measurement, the purpose for causing measurement inaccuracy because dielectric constant is small is avoided, the present invention provides following skill
Art scheme: a kind of radar level gauge of novel high-precision, including gauge outfit, the shape of the gauge outfit is rounded, the gauge outfit
Upper left side is fixedly installed with connector, and rotating bar is fixedly connected with below the gauge outfit, and the left side central portion of the rotating bar is passed through
The bolt set and be rotatablely connected with it is worn, the rotating bar lower end offers downward opening inner cavity, the inner cavity of the rotating bar
In the slotting axis being rotatablely connected with it is installed, the lower end surface of the slotting axis is fixedly connected with connecting rod, the lower end of the connecting rod
Face is fixedly connected with antenna, and the axle body of the connecting rod is arranged with protection pipe, and the lower end surface of the protection pipe is provided with connection method
Orchid, the lower end of the connecting rod at the center of flange, at the center of the connecting rod lower end outside wall and connecting flange in
Side wall is fixedly connected, and undertaking flange is provided with below the connecting flange, passes through spiral shell between the connecting flange and undertaking flange
Screw bolt and nut is fixedly connected, and the centrally under for accepting flange is fixedly connected with waveguide pipe, the lateral wall of the waveguide pipe
Upper section is opened up there are two isobaric hole, and the axle body of the waveguide pipe is provided with protecting tube, and the upper end outer sheath of the protecting tube is equipped with
Overflow-proof tube is firmly connected with it, the axle body of the protecting tube is provided with the pipe thread structure that quantity is no less than two, the guided wave
The bottom end of tube cavity is provided with suspension round block, and reflection plectane, the suspension round block are fixedly connected with above the suspension round block
Lower section be fixedly connected with dedusting plectane, the lateral wall of the dedusting plectane is fixedly installed with hairbrush, the lower end of the protecting tube
Face is fixedly connected with screen pipe, and the lower end of the screen pipe is closed, the inner sidewall upper end of the screen pipe and it is close with lead
The junction of wave duct lower end is fixedly installed with clamping rings, and foam-removing layer, the foam-removing layer are equipped with below the clamping rings
Lower section be threaded with connection ring, shape filter layer funnel-shaped, a left side for the screen pipe are provided in the connection ring
It opens up jagged on side wall, rotational pin is provided on the inner roof wall of the notch, between the rotational pin and screen pipe lower surface
Distance be its total length one third, the rotational pin is rotatably connected to rotating plate, and screen pipe right wall bottom end is through setting
It is equipped with the outlet pipe being firmly connected with it, is provided with water valve on the outlet pipe and close to the position of screen pipe right wall.
Preferably, the bolt-through is into the inner cavity of rotating bar lower end, and the left side of the right side of bolt and slotting axis
Face fits.
Preferably, the lower end surface of the protection pipe and the upper surface of connecting flange fit, the connecting flange and undertaking
Flange shape is same size.
Preferably, the junction of the undertaking flange and waveguide pipe is welded and soldering opening is smooth.
Preferably, the upper port of the protecting tube and the horizontal center line in second isobaric hole are in same plane, described
The lower end surface of protecting tube and the lower end surface of waveguide pipe are in same level, and the upper surface of the waveguide pipe and clamping rings is affixed
It closes.
Preferably, the suspension round block, reflection plectane and the same size of dedusting plectane and axle body be and the inside of waveguide pipe
Wall has narrow gap, and the sum of the length of the clamping rings block and the tube wall of screen pipe are greater than the wall wide and waveguide pipe of protecting tube
The sum of wall wide.
Preferably, the pipe thread structure includes shape fixed ring annular in shape, tightens bolt and fixed plate, the fixation
Ring set is located on protecting tube
Preferably, the foam-removing layer is made of polyethylene silk screen and mesh grid, below the foam-removing layer on the inner wall of screen pipe
External screw thread is offered, the lateral wall of the connection ring offers internal screw thread.
Preferably, the filter layer slipping through the net using 400 mesh stainless steels.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of radar level gauge of novel high-precision, have it is following the utility model has the advantages that
1, the radar level gauge of the novel high-precision, the rotational pin being arranged by screen pipe left side wall and with rotational pin rotate connect
The rotating plate connect, when liquid level raising reach a certain height, squeeze rotating plate, liquid flows into screen pipe, due to the inflow of liquid,
Liquid level meeting in screen pipe and the liquid level outside pipe reach equal height, due to offering isobaric hole and waveguide pipe above waveguide pipe
With screen pipe connection, so the level of the liquid in the tube meeting of screen pipe and waveguide pipe and the height outside pipe maintain an equal level and are always maintained at down
It goes, when liquid fluctuating is larger, rotating plate has achieved the purpose that effective counteracting influence of fluctuations, and the liquid level in screen pipe is enable to protect
Maintain an equal level quiet, ensure that the liquid level for rising up into waveguide pipe is able to maintain calmness, shake the reflection plectane of suspension round block and its top will not
It is dynamic, promote back wave steady, improves measurement accuracy.
2, the radar level gauge of the novel high-precision, by setting filter layer, foam-removing layer and hairbrush, when liquid level in screen pipe
When height persistently rises, liquid passes through filter layer impurity screening first, is passing through foam-removing layer foam removal, is making the liquid for rising up into waveguide pipe
Keep clean, when liquid level decline, impregnated liquid level waveguide pipe inner wall cleaning one time by hairbrush, avoid guided wave inside pipe wall by
To pollution, make guided wave inside pipe wall in reflection electromagnetic wave, weaken the false wave of reflection of electromagnetic wave, enables the antenna to receive effectively
Back wave, improve measurement accuracy.
3, the radar level gauge of the novel high-precision, by setting antenna, suspension round block and reflection plectane, when in waveguide pipe
Liquid level increase, suspension round block drives reflection plectane to float, and antenna emits electromagnetic wave, and by reflection plectane reflection, antenna connects again
It receives, determines liquid level by the transmission speed of electromagnetic wave and between the hair time receiving, since reflection is by reflecting plectane, so for being situated between
The small liquid of electric constant can also measure liquid level by the height of measurement reflection plectane indirectly, it is small to avoid dielectric constant
The disadvantage of liquid measure inaccuracy, enhances measurement effect.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the portion A enlarged drawing in Fig. 1 of the present invention；
Fig. 3 is the portion B enlarged drawing in Fig. 1 of the present invention；
Fig. 4 is the portion C enlarged drawing in Fig. 1 of the present invention；
Fig. 5 is the portion D enlarged drawing in Fig. 1 of the present invention；
Fig. 6 is pipe thread structure chart of the present invention.
In figure: 1 gauge outfit, 2 connectors, 3 rotating bars, 4 bolts, 5 slotting axis, 6 connecting rods, 7 antennas, 8 connecting rods, 9 connection methods
Flange, 11 waveguide pipes, 12 protecting tubes, 121, anti-overflow filling, 13 transmitting plectanes, 14 suspensions are accepted in orchid, 901 bolts, 902 nuts, 10
Round block, 15 dedusting plectanes, 16 hairbrush, 17 screen pipes, 18 clamping rings blocks, 19 defoaming plates, 20 connection rings, 21 filter layers, 22 pass
Bolt, 27 fixed plates, 28 outlet pipes, 29 outlet valves are tightened in dynamic pin, 23 rotating plates, 24 pipe thread structures, 25 fixed rings, 26.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6, a kind of radar level gauge of novel high-precision, including gauge outfit 1 are please referred to, the shape of gauge outfit 1 is rounded,
There is liquid crystal display in gauge outfit 1, the upper left side of gauge outfit 1 is fixedly installed with connector 2, and the lower section of gauge outfit 1 is fixedly connected with rotation
Bar 3, the bolt 4 that the left side central portion of rotating bar 3 is rotatablely connected through setting with it, 3 lower end of rotating bar offers downward opening
Inner cavity is equipped with the slotting axis 5 being rotatablely connected with it in the inner cavity of rotating bar 3, and the lower end surface for inserting axis 5 is fixedly connected with connecting rod 6,
The lower end surface of connecting rod 6 is fixedly connected with antenna 7, and the axle body of connecting rod 6 is arranged with protection pipe 8, because having three inside connecting rod 6
Bar transmission line, this kind of transmission mode process can be concentrated, and loss is smaller, in order to protect its safety, so to be arranged with protection pipe
8, antenna 7 be it is horn-like, the radar wave that antenna 7 is emitted is CW with frequency modulation, and this radar wave measurement precision is high and stability
Good, the lower end surface of protection pipe 8 is provided with connecting flange 9, and the lower end of connecting rod 6 is at the center of flange 9,6 lower end of connecting rod
Lateral wall is fixedly connected with inner sidewall at the center of connecting flange 9, is provided with below connecting flange 9 and is accepted flange 10, connection method
It is fixedly connected between orchid 9 and undertaking flange 10 by bolt 901 and nut 902, the centrally under for accepting flange 10, which is fixed, to be connected
It is connected to waveguide pipe 11, the right angle setting deviation of waveguide pipe 11 wants smooth nothing inside waveguide pipe 11 no more than positive and negative 0. 5 degree
Thorn, the lateral wall upper section of waveguide pipe 11 are opened up there are two isobaric hole 111, and the degree of eccentricity in isobaric hole 111 is led within 0. 5 degree
The axle body of wave duct 11 is provided with protecting tube 12, and the upper end outer sheath of protecting tube 12, which is equipped with, has been firmly connected with it overflow-proof tube 121, prevents
The axle body of pillar 12 is provided with the pipe thread structure 24 that quantity is no less than two, and the bottom end of 11 inner cavity of waveguide pipe is provided with suspension round block
14, the top of suspension round block 14 is fixedly connected with reflection plectane 13, and reflection plectane 13 is the lighter sheet metal of material, is improving
Reflecting effect alleviates the burden of suspension round block simultaneously, improves buoyancy, and the lower section of suspension round block 14 is fixedly connected with dedusting circle
Plate 15, the lateral wall of dedusting plectane 15 are fixedly installed with hairbrush 16, and the lower end surface of protecting tube 12 is fixedly connected with screen pipe 17, mistake
The lower end of chimney filter 17 is closed, the inner sidewall upper end of screen pipe 17 and the close junction fixed installation with 11 lower end of waveguide pipe
There is clamping rings 18, the lower section of clamping rings 18 is equipped with foam-removing layer 19, and foam-removing layer 19 is mainly made of silk screen and mesh grid,
The lower section of foam-removing layer 19 is threaded with connection ring 20, and shape filter layer 21 funnel-shaped is provided in connection ring 20, filtering
Layer 21 is made of the filter screen of 400 mesh, and filter effect is significant, and jagged, the interior top of notch is opened up on the left side wall of screen pipe 17
Rotational pin 22 is provided on wall, the distance between rotational pin 22 and 17 lower surface of screen pipe are the one third of its total length, are turned
Dynamic pin 22 is rotatably connected to rotating plate 23, and 17 right wall bottom end of screen pipe is provided through the outlet pipe 28 being firmly connected with it, water outlet
Water valve 29 is provided on pipe 28 and close to the position of 17 right wall of screen pipe.
Further, bolt 4 is through in the inner cavity of 3 lower end of rotating bar, and a left side for the right side of bolt 4 and slotting axis 5
Side fits, and rotating bar 3 can be made fixed or rotation by rotating bolt 4.
Further, the lower end surface of protection pipe 8 and the upper surface of connecting flange 9 fit, connecting flange 9 and undertaking flange
10 shapes are same size, accept the flange that flange 10 selects model ANSI 300LB, meet the ability to bear of flange, guarantee
Safety.
Further, it accepts the junction welding of flange 10 and waveguide pipe 11 and soldering opening is smooth, the two gap wants small
In one millimeter.
Further, the upper port of protecting tube 12 and the horizontal center line in second isobaric hole 111 are in same plane, prevent
The lower end surface of pillar 12 and the lower end surface of waveguide pipe 11 are in same level, the upper surface phase of waveguide pipe 11 and clamping rings 18
Fitting.
Specifically, suspension round block 14, reflection plectane 13 and the same size of dedusting plectane 15 and axle body are and waveguide pipe 11
Inner sidewall has a narrow gap, the sum of the length of clamping rings block 18 and the tube wall of screen pipe 17 be greater than protecting tube 12 wall wide and
The sum of the wall wide of waveguide pipe 11.
Further, pipe thread structure 24 includes shape fixed ring 25 annular in shape, tightens bolt 26 and fixed plate 27, Gu
Determine ring 25 to be set on protecting tube 12.
Further, foam-removing layer 19 is made of polyethylene silk screen and mesh grid, 19 lower section screen pipe 17 of foam-removing layer it is interior
External screw thread is offered on wall, the lateral wall of connection ring 20 offers internal screw thread.
Further, the slipping through the net using 400 mesh stainless steels of filter layer 21.
Working principle: when injecting liquid, rotating plate 23 can be squeezed since liquid generation is hydraulic, the rotation of rotating plate 23 leads to liquid
Into screen pipe 17, when having fluctuation outside pipe, keep intraluminal fluid face steady under the blocking of rotating plate 23, liquid passes through filter layer 21
With foam-removing layer 19, impurity and foam in liquid are removed, filtered liquid enters waveguide pipe 11, makes suspension round block 14 with liquid
Body is increased and is increased, so that reflection plectane 13 be driven to increase, emits and receive electromagnetic wave by antenna 8, by reflecting plectane 13
Reflection electromagnetic wave, to measure liquid level indirectly.
In conclusion the radar level gauge of the novel high-precision, by rotational pin 22 that 17 left side wall of screen pipe is arranged with
And the rotating plate 23 being rotatablely connected with rotational pin 22, when liquid level raising reach a certain height, squeeze rotating plate 23, liquid is flowed into
Screen pipe 17, due to the inflow of liquid, the liquid level meeting in screen pipe 17 and the liquid level outside pipe reach equal height, due to waveguide pipe
11 top offers isobaric hole and 17 connection of waveguide pipe 11 and screen pipe, so the intraluminal fluid of screen pipe 17 and waveguide pipe 11
Height outside face height meeting and pipe maintains an equal level and is always maintained at down, and when liquid fluctuating is larger, rotating plate 23, which has reached, effectively to be supported
Disappear the purpose of influence of fluctuations, so that the liquid level in screen pipe 17 is able to maintain calmness, ensure that the liquid level for rising up into waveguide pipe 11 can
It keeps tranquil, shake the reflection plectane 13 of suspension round block 14 and its top will not, promote back wave steady, improve measurement essence
Degree.
Also, by setting filter layer 21, foam-removing layer 19 and hairbrush 16, when liquid level persistently rises in screen pipe 17
When, liquid passes through 21 impurity screening of filter layer first, is passing through 19 foam removal of foam-removing layer, and the liquid for rising up into waveguide pipe 11 is made to keep dry
Only, when liquid level decline when, liquid level was impregnated one time by 11 inner wall cleaning of waveguide pipe by hairbrush 16, avoid 11 inner wall of waveguide pipe by
To pollution, make 11 inner wall of waveguide pipe in reflection electromagnetic wave, the false wave of reflection of electromagnetic wave can be weakened, enable the antenna to receive
Effective back wave, improves measurement accuracy.
Also, it is suspended by setting antenna 7, suspension round block 14 and reflection plectane 13 when the liquid level raising in waveguide pipe 11
Round block 14 drives 13 plate of reflection circle to float, and antenna 7 emits electromagnetic wave, is reflected by reflection plectane 13, antenna 7 receives again, passes through
Liquid level is determined between the transmission speed of electromagnetic wave and hair time receiving, since reflection is by reflection plectane 13, so normal for dielectric
The small liquid of number can also measure liquid level by the height of measurement reflection plectane 13 indirectly, avoid the small liquid of dielectric constant
The disadvantage of bulk measurement inaccuracy, enhances measurement effect.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of radar level gauge of novel high-precision, including gauge outfit (1), it is characterised in that: the shape of the gauge outfit (1) is in circle
The upper left side of spherical shape, the gauge outfit (1) is fixedly installed with connector (2), is fixedly connected with rotating bar below the gauge outfit (1)
(3), the bolt (4) that the left side central portion of the rotating bar (3) is rotatablely connected through setting with it, rotating bar (3) lower end is opened
Equipped with downward opening inner cavity, the slotting axis (5) being rotatablely connected with it, the slotting axis are installed in the inner cavity of the rotating bar (3)
(5) lower end surface is fixedly connected with connecting rod (6), and the lower end surface of the connecting rod (6) is fixedly connected with antenna (7), the company
The axle body of extension bar (6) is arranged with protection pipe (8), and the lower end surface of the protection pipe (8) is provided with connecting flange (9), the connection
The lower end of bar (6) at the center of flange (9), at the center of connecting rod (6) the lower end outside wall and connecting flange (9) in
Side wall is fixedly connected, and is provided with below the connecting flange (9) and is accepted flange (10), the connecting flange (9) and undertaking flange
(10) it is fixedly connected by bolt (901) with nut (902) between, the centrally under for accepting flange (10) is fixedly connected
Have waveguide pipe (11), the lateral wall upper section of the waveguide pipe (11) is opened up there are two isobaric hole (111), the waveguide pipe (11)
Axle body is provided with protecting tube (12), and the upper end outer sheath of the protecting tube (12), which is equipped with, has been firmly connected with it overflow-proof tube (121),
The axle body of the protecting tube (12) is provided with the pipe thread structure (24) that quantity is no less than two, the bottom of waveguide pipe (11) inner cavity
End is provided with suspension round block (14), and reflection plectane (13), the suspension circle are fixedly connected with above the suspension round block (14)
It is fixedly connected with below block (14) dedusting plectane (15), the lateral wall of the dedusting plectane (15) is fixedly installed with hairbrush
(16), the lower end surface of the protecting tube (12) is fixedly connected with screen pipe (17), and the lower end of the screen pipe (17) is closed,
The inner sidewall upper end of the screen pipe (17) and the close junction with waveguide pipe (11) lower end is fixedly installed with clamping rings
(18), it is equipped with foam-removing layer (19) below the clamping rings (18), the company of being threaded with below the foam-removing layer (19)
It connects ring (20), shape filter layer funnel-shaped (21), the left side of the screen pipe (17) is provided in the connection ring (20)
It opens up jagged on wall, is provided on the inner roof wall of the notch rotational pin (22), the rotational pin (22) and screen pipe (17)
The distance between lower surface is the one third of its total length, and the rotational pin (22) is rotatably connected to rotating plate (23), the mistake
Chimney filter (17) right wall bottom end is provided through the outlet pipe (28) being firmly connected with it, on the outlet pipe (28) and close to filtering
The position of pipe (17) right wall is provided with water valve (29).
2. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the bolt (4) is passed through
It wears into the inner cavity of rotating bar (3) lower end, and the right side of bolt (4) and the left side of slotting axis (5) fit.
3. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the protection pipe (8)
Lower end surface and the upper surface of connecting flange (9) fit, the connecting flange (9) and to accept flange (10) shape be same big
It is small.
4. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the undertaking flange
(10) it is welded with the junction of waveguide pipe (11) and soldering opening is smooth.
5. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the protecting tube (12)
Upper port and the horizontal center line of second isobaric hole (111) be in same plane, the lower end surface of the protecting tube (12) and
The lower end surface of waveguide pipe (11) is in same level, and the waveguide pipe (11) and the upper surface of clamping rings (18) fit.
6. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the suspension round block
(14), reflection plectane (13) and the same size of dedusting plectane (15) and axle body is equal and the inner sidewall of waveguide pipe (11) have it is narrow between
Gap, the sum of the length of the clamping rings block (18) and the tube wall of screen pipe (17) are greater than the wall wide and waveguide pipe of protecting tube (12)
(11) the sum of wall wide.
7. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the pipe thread structure
(24) include shape fixed ring annular in shape (25), tighten bolt (26) and fixed plate (27), the fixed ring (25) is arranged
On protecting tube (12).
8. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the foam-removing layer (19)
It is made of polyethylene silk screen and mesh grid, offers external screw thread on the inner wall of screen pipe (17) below the foam-removing layer (19),
The lateral wall of the connection ring (20) offers internal screw thread.
9. a kind of radar level gauge of novel high-precision according to claim 1, it is characterised in that: the filter layer (21)
Using slipping through the net for 400 mesh stainless steels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811042408.XA CN108955820A (en) | 2018-09-07 | 2018-09-07 | A kind of radar level gauge of novel high-precision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811042408.XA CN108955820A (en) | 2018-09-07 | 2018-09-07 | A kind of radar level gauge of novel high-precision |
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| CN108955820A true CN108955820A (en) | 2018-12-07 |
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| CN201811042408.XA Pending CN108955820A (en) | 2018-09-07 | 2018-09-07 | A kind of radar level gauge of novel high-precision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US20230034044A1 (en) * | 2021-07-28 | 2023-02-02 | Hanra Ims Co., Ltd | Fluid level measurement system using buoyant body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| US20230034044A1 (en) * | 2021-07-28 | 2023-02-02 | Hanra Ims Co., Ltd | Fluid level measurement system using buoyant body |
| US11953366B2 (en) * | 2021-07-28 | 2024-04-09 | Hanra Ims Co., Ltd | Fluid level measurement system using buoyant body |
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