CN217845342U - Be used for capacitanc level changer to mark special frock - Google Patents
Be used for capacitanc level changer to mark special frock Download PDFInfo
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- CN217845342U CN217845342U CN202221218804.5U CN202221218804U CN217845342U CN 217845342 U CN217845342 U CN 217845342U CN 202221218804 U CN202221218804 U CN 202221218804U CN 217845342 U CN217845342 U CN 217845342U
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- transmitter
- liquid level
- probe
- power supply
- process connection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a spent fuel aftertreatment field especially relates to a be used for capacitanc liquid level changer to markd special frock. Be used for capacitanc level transmitter to mark special frock includes: power supply, transducer, display device, process connection, probe; a circuit board is arranged in the transmitter, and the circuit board in the transmitter is respectively connected with a power supply and a display device; the lower part of the transmitter is connected with a probe, the outer part of the probe is provided with a shell, and the shell is provided with a process connection. The utility model discloses a demarcate special frock and improved capacitanc level transmitter measurement accuracy, last improvement and improved aftertreatment factory feed liquid measurement accuracy, practice thrift operating time.
Description
Technical Field
The utility model relates to a spent fuel aftertreatment field especially relates to a be used for capacitanc liquid level changer to markd special frock.
Background
The capacitive liquid level meter is an instrument for measurement and control, is widely applicable to conductive medium liquid or gas (the dielectric constant of the measured medium is relatively large) with less oil stain, difficult blockage and low radioactivity level, and is mainly used for continuous level measurement of the conductive medium in a post-processing factory. The capacitance level meter is the main measurement means of the liquid level of the liquid in various tanks of a post-processing plant, but due to the particularity of the measurement principle of the capacitance level transmitter, zero and full point calibration needs to be carried out on different measurement media.
As shown in figure 1, most of post-treatment plants are opaque storage tanks with arc-shaped four corners, a measuring instrument adopts a capacitive liquid level transmitter in multiple choices, calibration is carried out before use, the calibration range is in a straight pipe section (2), an upper nonlinear measuring section (1) and a lower nonlinear measuring section (3) are non-working areas, and the storage tanks are irregular in shape, so that the linearity is complex and the calibration is difficult. The existing calibration means of a post-processing plant is indirect measurement, namely a calibration rod is inserted into a storage tank, liquid in the storage tank can soak the calibration rod, and the soaked length of the calibration rod is measured after the calibration rod is pulled out to determine the current liquid level, so that the calibration of the capacitive liquid level transmitter is carried out. The method has a certain deviation between the infiltration position and the actual height due to surface tension and the like, so that the calibration precision is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a be used for capacitanc level transmitter to mark special frock improves capacitanc level transmitter measurement accuracy, and the feed liquid measurement accuracy of aftertreatment factory is improved and improved to the continuation, practices thrift operating time.
The utility model provides a be used for capacitanc liquid level changer to mark special frock, include: power supply, transducer, display device, process connection, probe;
a circuit board is arranged in the transmitter,
the circuit board in the transmitter is respectively connected with a power supply and a display device;
the lower part of the transmitter is connected with a probe, the outer part of the probe is provided with a shell,
a process connection is provided on the housing.
Preferably, the process connection is arranged perpendicular to the housing.
Preferably, the end of the probe has an ultrasonic transmitter and receiver.
Preferably, the power supply is a rechargeable 24V power supply.
Preferably, the display device is made of a digital display block with a digital display function.
Preferably, the process connection is an internal thread type flange, the housing is provided with threads, and the internal threads of the process connection are matched with the threads of the housing.
Preferably, the power supply and the display device are respectively disposed at both ends of the transmitter.
Preferably, the housing is disposed at an end of the probe proximate the transmitter.
Compared with the prior art, the utility model discloses a be used for capacitanc level transmitter to mark special frock has following beneficial effect:
(1) When in calibration, the calibration device is directly placed at the tank opening, the measurement speed is high, and the reading of the liquid level value in the tank can be directly carried out on the display device;
(2) The device is suitable for various installation calibers; the calibration device has small volume and is suitable for liquid level calibration of tanks at various complicated positions;
(3) The measurement mode is non-contact, and the method can be used for calibration of various different feed liquids;
(4) The accuracy of the measured data is high and can reach 0.15%, and the method can be used for calibrating all capacitance type liquid level meters lower than the grade.
Drawings
FIG. 1 shows a schematic view of a prior art liquid level measuring device;
fig. 2 shows a schematic structural diagram of the special calibration tool for the capacitive liquid level transmitter of the present invention;
fig. 3 shows a side view of the special calibration tooling for the capacitive liquid level transmitter of the present invention;
in the figure, the position of the first and second end faces,
1-upper end nonlinear measurement section, 2-straight pipe section, 3-lower section nonlinear section, 4-liquid level meter, 5-power supply, 6-transmitter, 7-display device, 8-process connection, 9-probe, 10-shell.
Detailed Description
For further understanding of the present invention, embodiments of the present invention are described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the present invention.
The utility model discloses a mark special frock utilizes ultrasonic wave's principle to measure actual liquid level, places at the installing port, carries out level measurement through the ultrasonic transmitter and the receiver of probe bottom. When the transmitter transmits ultrasonic waves to the liquid level, the ultrasonic waves are reflected at the liquid level, reflected echo waves are received by the receiver, and the height of the liquid level can be obtained by measuring the round trip time of the ultrasonic waves and calculating in the transmitter.
The embodiment of the utility model discloses a be used for capacitanc level transmitter to mark special frock, as shown in figure 2 and figure 3, include: a power supply 5, a transmitter 6, a display device 7, a process connection 8 and a probe 9;
a circuit board is arranged in the transmitter 6,
the circuit board in the transmitter 6 is respectively connected with the power supply 5 and the display device 7;
the lower part of the transmitter 6 is connected with a probe 9, the outer part of the probe 9 is provided with a shell 10,
the housing 10 is provided with a process connection 8.
The utility model discloses in, the power supplies power for the changer. The power supply 5 is preferably a rechargeable 24V power supply.
For the selection of the transmitter 6, a circuit board in the transmitter 6 is respectively connected with the power supply 5 and the display device 7; preferably, the power supply 5 and the display device 7 are respectively arranged at both ends of the transmitter.
A probe 9 is connected to the lower part of the transmitter 6.
The display device 7 is made of a digital display block with a digital display function;
the end of the probe 9 has an ultrasonic transmitter and receiver.
The probe 9 is externally provided with a housing 10, preferably said housing 10 is arranged at an end of said probe 9 close to the transmitter 5.
A process connection 8 is arranged on the housing 10, preferably the process connection 8 is arranged perpendicular to the housing 10
The process connection 8 is used for stably connecting the special calibration tool with the storage tank, preferably, the process connection 8 is an internal thread type flange, threads are arranged on the shell, and the internal threads of the process connection are matched with the threads of the shell. PTFE is selected for the material of the flange, and the material is strong in acid and alkali resistance and lighter in weight.
During the use, will mark special frock and place perpendicularly and fix with the bolt in storing jar top flange mouth department, input the height of jar (jar bottom to the distance of flange mouth) in calibration device, press the measurement button and utilize internal formula (jar height subtracts the height of liquid level to flange mouth) can obtain the actual height of liquid level to show actual liquid level value through the digital display gauge outfit. And obtaining zero point and full point capacitance values of the tank by using the two groups of measured current liquid level values and using a formula Cx = K1 × H1+ K2 (H-H1), inputting the zero full point capacitance value into the capacitive liquid level transmitter to calibrate the zero and full points, and improving the measurement precision of the capacitive liquid level meter. Cx in the formula Cx = K1H 1+ K2 (H-H1) is the capacitance value of the current liquid level, K1 and K2 are dielectric constants xi liquid and xi gas of a medium, H is the distance (total height) from the bottom of the tank to the flange port, and H1 is the height of the current liquid level.
TABLE 1 calibration comparison
The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a be used for capacitanc level transmitter to mark special frock which characterized in that includes: power supply, transducer, display device, process connection, probe;
a circuit board is arranged in the transmitter,
the circuit board in the transmitter is respectively connected with a power supply and a display device;
the lower part of the transmitter is connected with a probe, the outer part of the probe is provided with a shell,
the housing is provided with a process connection.
2. The tool special for calibrating the capacitive liquid level transmitter according to claim 1, wherein the process connection is arranged perpendicular to the housing.
3. The special tool for calibrating the capacitive liquid level transmitter according to claim 1, wherein an ultrasonic transmitter and a receiver are arranged at the end of the probe.
4. The special calibration tool for the capacitive liquid level transmitter as claimed in claim 1, wherein the power supply is a rechargeable 24V power supply.
5. The special tool for calibrating the capacitive liquid level transmitter according to claim 1, wherein the display device is made of a digital display block with a digital display function.
6. The special tool for calibrating the capacitive liquid level transmitter according to claim 1, wherein the process connection is an internal threaded flange, the housing is provided with threads, and the internal threads of the process connection are matched with the threads of the housing.
7. The special tool for calibrating the capacitive liquid level transmitter as claimed in claim 1, wherein the power supply and the display device are respectively arranged at two ends of the transmitter.
8. The tool special for calibrating the capacitive liquid level transmitter according to claim 1, wherein the shell is arranged at one end of the probe close to the transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221218804.5U CN217845342U (en) | 2022-05-19 | 2022-05-19 | Be used for capacitanc level changer to mark special frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221218804.5U CN217845342U (en) | 2022-05-19 | 2022-05-19 | Be used for capacitanc level changer to mark special frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217845342U true CN217845342U (en) | 2022-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221218804.5U Active CN217845342U (en) | 2022-05-19 | 2022-05-19 | Be used for capacitanc level changer to mark special frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217845342U (en) |
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2022
- 2022-05-19 CN CN202221218804.5U patent/CN217845342U/en active Active
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