CN113358568A - Device for eliminating bubble influence in turbidity probe detection process - Google Patents
Device for eliminating bubble influence in turbidity probe detection process Download PDFInfo
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- CN113358568A CN113358568A CN202110576676.5A CN202110576676A CN113358568A CN 113358568 A CN113358568 A CN 113358568A CN 202110576676 A CN202110576676 A CN 202110576676A CN 113358568 A CN113358568 A CN 113358568A
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 239000000523 sample Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000008569 process Effects 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000926 separation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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Abstract
An apparatus for eliminating bubble influence in a turbidity probe detection process, comprising: the lateral surface of the outer cylinder is provided with a plurality of holes; the side surface of the first inner cylinder is provided with a plurality of holes, the first inner cylinder is nested in the outer cylinder, the bottom of the first inner cylinder is fixedly connected with the bottom of the outer cylinder, the side surface of the first inner cylinder and the side surface of the outer cylinder are spaced to form a first defoaming channel, and the inner space of the first inner cylinder forms a turbidity probe mounting space; the mounting rack is fixedly connected to the top of the outer barrel, and an opening communicated with the turbidity probe mounting space is formed in the mounting rack; and the turbidity probe is fixedly arranged in the turbidity probe mounting space through an opening on the mounting frame. By the device, the defoaming effect is good, and the detection accuracy and the signal-to-noise ratio can be improved; the invention has simple operation, time and labor saving, and does not need manual interference after being installed; the invention has zero time delay in the detection process, and can quickly detect the turbidity at the next moment in time.
Description
Technical Field
The invention belongs to the field of chemical engineering, and particularly relates to a device for eliminating bubble influence in a turbidity probe detection process.
Background
The turbidity meter is widely applied to the detection of insoluble suspended impurities in water quality and other solutions, and an online turbidity probe is generally directly arranged in a tank body such as an industrial pipeline or a reaction kettle and the like and is used for monitoring the change condition of the insoluble suspended impurities in the fluid in the pipeline or the material in the tank body. The turbidity probe includes a scattering type, a transmitting scattering type and the like, and is generally called an optical turbidimeter. The optical turbidimeter is easy to be interfered by bubbles in the detection process, so that the data fluctuation is large, the detection signal-to-noise ratio is low, and even the production current situation is judged by mistake, so that the loss is caused.
The traditional defoaming and shading device for the turbidity and dissolved oxygen sensor is provided with a simple separation inlet, so that bubbles in a water body are eliminated and shading is provided, and the traditional defoaming and shading device is usually used for measuring the water body with pressure. A defoaming shade for turbidity and dissolved oxygen sensor of prior art designs for measuring and presses the medium, so when meetting certain velocity of flow and the little water of pressure, can have a series of problems: 1) for water quality with small pressure and more bubbles, the detection effect is poor; 2) the channel flowing into the detection chamber after bubbles are eliminated is too thin, and the detection chamber is filled with water for a certain time, so that the requirement of rapid measurement cannot be met; 3) after the detection is finished, the water outlet of the detection chamber needs to be opened manually, the detection cannot be performed automatically and often, and certain manpower is needed.
For example, the utility model patent CN201420712974.8 discloses a defoaming shade for turbidity and dissolved oxygen sensor, be equipped with the water inlet on the casing, the inboard of water inlet is equipped with the separator plate, the casing upside is equipped with first separator plate bubble export, be equipped with second separator plate bubble export between separator plate and the casing, the rear side that lies in the separator plate on the casing is equipped with first delivery port, the downside that the casing lies in the separator plate is equipped with bubble separation room and detection room, be equipped with the mount pad that is used for installing the sensor on the casing, the downside of first delivery port still is equipped with the outlet, drain outlet department is equipped with the check valve, detection room and outlet intercommunication, the casing is located the indoor bubble separation passageway that is equipped with of bubble separation, the upside that detects the room import is located to bubble separation passageway's bubble entry, bubble separation passageway's bubble export and the parallel range of first delivery port are arranged. The utility model discloses the bubble is eliminated thoroughly, detects the accuracy height, need not extra human operation, only needs periodic maintenance, detection room to be full of the time shorter, detects and expends time weak point. However, the device designed by this utility model is too complicated.
Therefore, a new bubble removal device for a turbidity sensor is desirable.
Disclosure of Invention
In view of the deficiencies of the prior art, it is an object of the present invention to address one or more of the above deficiencies. The defoaming device for the turbidity sensor can thoroughly eliminate bubbles, does not need additional manual operation, does not need regular maintenance, has high solution system consistency, can improve the detection accuracy and the anti-interference performance, and can be suitable for various water bodies or solutions.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided an apparatus for eliminating the influence of bubbles during the detection process of a turbidity probe, comprising:
the side surface of the outer cylinder is provided with a plurality of holes;
the side surface of the first inner cylinder is provided with a plurality of holes, the first inner cylinder is nested in the outer cylinder, the bottom of the first inner cylinder is fixedly connected with the bottom of the outer cylinder, the side surface of the first inner cylinder and the side surface of the outer cylinder are spaced to form a first defoaming channel, and the inner space of the first inner cylinder forms a turbidity probe mounting space;
the mounting frame is fixedly connected to the top of the outer barrel, and an opening communicated with the turbidity probe mounting space is formed in the mounting frame;
the turbidity probe is fixedly arranged in the turbidity probe mounting space through an opening on the mounting frame.
In one embodiment of the invention, the apparatus further comprises:
the side surface of the second inner cylinder is provided with a plurality of holes, the second inner cylinder is embedded in the first inner cylinder, and the bottom of the second inner cylinder is fixedly connected with the bottom of the first inner cylinder; the side surface of the second inner cylinder is spaced from the side surface of the first inner cylinder to form a second defoaming channel; the inner space of the second inner cylinder forms a turbidity probe mounting space.
In one embodiment of the invention, the diameter of the holes provided on the lateral surface of the outer cylinder is 0.5 to 20 mm.
In one embodiment of the present invention, the diameter of the hole provided on the side surface of the first inner cylinder is 0.5 to 10 mm; the diameter of the hole arranged on the side surface of the second inner cylinder is 0.5-10 mm.
In one embodiment of the invention, the hole arranged on the side surface of the outer cylinder and the hole arranged on the side surface of the first inner cylinder are in different circle centers; the hole arranged on the side surface of the first inner cylinder and the hole arranged on the side surface of the second inner cylinder are different in circle center.
In one embodiment of the invention, the size of the first defoaming channel is 5-50 mm; the size of the second defoaming channel is 5-50 mm.
In one embodiment of the invention, the bottom of the outer cylinder is fixedly connected with the bottom of the first inner cylinder through a first bolt; the bottom of the first inner cylinder is fixedly connected with the bottom of the second inner cylinder through a first bolt; the mounting frame is fixedly connected to the top of the outer barrel through a flange and a second bolt.
In one embodiment of the invention, the top of the outer barrel has a plane that is above the level of the liquid to be detected.
In one embodiment of the invention, the length of the turbidity probe submerged below the liquid level of the liquid to be detected is greater than or equal to the required detection radius.
In one embodiment of the invention, the diameter of the second inner cylinder is larger than or equal to the detection diameter range required by the turbidity probe.
By adopting the technical scheme, compared with the prior art, the invention has the following advantages:
(1) the invention has good defoaming effect and can improve the detection accuracy and the signal to noise ratio;
(2) the invention has simple operation, time and labor saving, and does not need manual interference after being installed;
(3) the invention has zero time delay in the detection process, and can quickly detect the turbidity at the next moment in time.
Drawings
FIG. 1 is a schematic front view of the main structure of the apparatus provided by the present invention;
FIG. 2 is a schematic cross-sectional view of an apparatus provided by the present invention;
FIG. 3 is a diagram showing a case where a fluctuation of a detection signal is detected before defoaming is not performed;
FIG. 4 is a diagram showing the fluctuation of a detection signal after defoaming by the apparatus of example 1 of the present invention;
FIG. 5 is a diagram showing the fluctuation of a detection signal after defoaming by the apparatus of example 2 of the present invention.
List of reference numerals
The device comprises a first defoaming channel 1, a second defoaming channel 2, a turbidity probe mounting space 3, a flange 4, a first bolt 5, a second bolt 6, a mounting rack 7, an outer cylinder 8, a first inner cylinder 9, a second inner cylinder 10, a turbidity detection value signal fluctuation line and a temperature detection value signal fluctuation line.
Detailed Description
It should be understood that the embodiments of the invention shown in the exemplary embodiments are illustrative only. Although only a few embodiments of the present invention have been described in detail above, those skilled in the art will readily appreciate that many modifications are possible without materially departing from the teachings of the present subject matter. Accordingly, all such modifications are intended to be included within the scope of this invention. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and parameters and the like of the following exemplary embodiments without departing from the spirit of the present invention.
Referring to fig. 1-2, in one embodiment of the present invention, the present invention provides an apparatus for eliminating the effect of bubbles during the detection process of a turbidity probe, comprising: an outer cylinder 8, a plurality of holes (not shown) being provided on a side surface of the outer cylinder 8; a plurality of holes (not shown) are arranged on the side surface of the first inner cylinder 9, the first inner cylinder 9 is nested in the outer cylinder 8, the bottom of the first inner cylinder 9 is fixedly connected with the bottom of the outer cylinder 8 through a first bolt 5, the side surface of the first inner cylinder 9 is spaced from the side surface of the outer cylinder 8 to form a first defoaming channel 1, and the inner space of the first inner cylinder 9 can form a turbidity probe installation space 3; the mounting frame 7 is fixedly connected to the top of the outer cylinder 8 through a flange 4 and a second bolt 6, and an opening communicated with the turbidity probe mounting space 3 is formed in the mounting frame 7; and a turbidity probe (not shown) fixedly installed in the turbidity probe installation space 3 through an opening on the mounting frame 7.
In another embodiment of the present invention, on the basis of the above-described embodiment apparatus, the apparatus further comprises:
and a second inner cylinder 10, a plurality of holes (not shown) being provided on a side surface of the second inner cylinder 10, the second inner cylinder 10 being nested in the first inner cylinder 9 and a bottom portion of the second inner cylinder 10 being fixedly connected to a bottom portion of the first inner cylinder 9 by the first bolts 5, the side surface of the second inner cylinder 10 being spaced apart from the side surface of the first inner cylinder 9 to form a second defoaming channel 2, and an inner space of the second inner cylinder 10 at this time forming a turbidity probe mounting space.
In the technical solutions of the above embodiments, the diameter of the hole provided on the side surface of the outer cylinder 8 is 0.5-20 mm.
In the technical solutions of the above embodiments, the diameter of the hole formed on the side surface of the first inner cylinder 9 is 0.5-10 mm; the diameter of the hole arranged on the side surface of the second inner cylinder 10 is 0.5-10 mm.
In the technical solutions of the above embodiments, the hole formed on the side surface of the outer cylinder 8 and the hole formed on the side surface of the first inner cylinder 9 are different in circle center; the hole arranged on the side surface of the first inner cylinder 9 and the hole arranged on the side surface of the second inner cylinder 10 are different in circle center.
In the technical scheme of each embodiment, the size of the first defoaming channel 1 is 5-50 mm; the size of the second defoaming channel 2 is 5-50 mm.
In the technical solutions of the above embodiments, the plane of the top of the outer cylinder 8 is higher than the liquid level of the liquid to be detected.
In the technical solutions of the above embodiments, the length of the turbidity probe submerged below the liquid level of the liquid to be detected is greater than or equal to the required detection radius.
In the technical solutions of the above embodiments, the diameter of the second inner cylinder 10 is greater than or equal to the detection diameter range required by the turbidity probe.
More specifically, the following description is made with respect to specific devices of the above-described embodiments, respectively.
Example 1
The defoaming device after being processed and manufactured is shown in fig. 1-2, but the device only comprises an inner cylinder 9, the diameters of holes arranged on the side surfaces of the outer cylinder 8 and the inner cylinder 9 are both 1mm, and the distance between the outer cylinder 8 and the inner cylinder 9 (namely the first defoaming channel 1) is 20 mm.
Fig. 4 shows a diagram of the fluctuation of the detection signal after defoaming with the apparatus of example 1.
Example 2
Example 2 a foam breaker assembly is shown in figures 1-2 and comprises two inner cylinders 9, 10. The diameters of holes formed in the side surfaces of the outer cylinder 8 and the inner cylinders 9 and 10 of the device are both 1mm, the distance between the outer cylinder and the inner cylinder 9 (namely, a first defoaming channel 1) is 20mm, and the distance between the two inner cylinders 9 and 10 (namely, a second defoaming channel 2) is 35 mm.
After the method is implemented according to the embodiment 2, the detection signal to noise ratio is greatly improved, and the influence of bubbles on turbidity monitoring is basically eliminated. Fig. 5 shows a diagram of the fluctuation of the detection signal after defoaming with the apparatus of example 2.
Therefore, compared with the graph shown in FIG. 3, from before defoaming to the step from the step of the embodiment 1 to the step of the embodiment 2, the influence degree of bubbles is gradually reduced, the true turbidity value of the sampling off-line detection system is between 0 and 300, the detection upper limit value is reduced from 800 to 500 and is finally reduced to below 200, and the detection signal-to-noise ratio is greatly improved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.
Claims (10)
1. An apparatus for eliminating bubble influence in a turbidity probe detection process, comprising:
the side surface of the outer cylinder is provided with a plurality of holes;
the inner tube is nested in the outer tube, the bottom of the inner tube is fixedly connected with the bottom of the outer tube, the side surface of the inner tube is spaced from the side surface of the outer tube to form a first defoaming channel, and the inner space of the inner tube forms a turbidity probe mounting space;
the mounting rack is fixedly connected to the top of the outer barrel, and an opening communicated with the turbidity probe mounting space is formed in the mounting rack;
the turbidity probe is fixedly installed in the turbidity probe installation space through the opening on the installation frame.
2. The apparatus of claim 1, wherein the apparatus further comprises:
the side surface of the second inner cylinder is provided with a plurality of holes, the second inner cylinder is nested in the first inner cylinder, the bottom of the second inner cylinder is fixedly connected with the bottom of the first inner cylinder, the side surface of the second inner cylinder is spaced from the side surface of the first inner cylinder to form a second defoaming channel, and the inner space of the second inner cylinder forms a turbidity probe mounting space.
3. The apparatus for eliminating the influence of bubbles in the turbidity probe during measurement according to claim 2, wherein the diameter of the hole formed in the side surface of said outer cylinder is 0.5-20 mm.
4. The apparatus for eliminating the influence of bubbles in the turbidity probe detection process according to claim 3, wherein the diameter of the hole formed on the side surface of the first inner cylinder is 0.5-10 mm; the diameter of the hole arranged on the side surface of the second inner cylinder is 0.5-10 mm.
5. The apparatus for eliminating the influence of bubbles in the turbidity probe detection process as claimed in claim 4, wherein the hole formed on the side surface of said outer cylinder and the hole formed on the side surface of said first inner cylinder are of different circle centers; the hole arranged on the side surface of the first inner cylinder and the hole arranged on the side surface of the second inner cylinder are different in circle center.
6. The apparatus for eliminating the influence of bubbles in the turbidity probe detection process according to claim 5, wherein the size of the first defoaming channel is 5-50 mm; the size of the second defoaming channel is 5-50 mm.
7. The apparatus for eliminating the influence of bubbles in the turbidity probe detection process as claimed in claim 6, wherein the bottom of said outer cylinder is fixedly connected with the bottom of said first inner cylinder by a first bolt; the bottom of the first inner cylinder is fixedly connected with the bottom of the second inner cylinder through a first bolt; the mounting frame is fixedly connected to the top of the outer barrel through a flange and a second bolt.
8. The apparatus for eliminating the influence of bubbles in the turbidity probe during measurement according to claim 7, wherein the top of said outer cylinder has a plane higher than the liquid level of the liquid to be measured.
9. The apparatus for eliminating the influence of bubbles in the turbidity probe during the detection process according to claim 8, wherein the length of the turbidity probe submerged below the liquid level of the liquid to be detected is greater than or equal to a preset detection radius.
10. The apparatus for eliminating the influence of bubbles in the turbidity probe during the detection process according to claim 9, wherein the diameter of the second inner cylinder is greater than or equal to the detection diameter range required by the turbidity probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110576676.5A CN113358568A (en) | 2021-05-26 | 2021-05-26 | Device for eliminating bubble influence in turbidity probe detection process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110576676.5A CN113358568A (en) | 2021-05-26 | 2021-05-26 | Device for eliminating bubble influence in turbidity probe detection process |
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| CN113358568A true CN113358568A (en) | 2021-09-07 |
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| CN202110576676.5A Pending CN113358568A (en) | 2021-05-26 | 2021-05-26 | Device for eliminating bubble influence in turbidity probe detection process |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201974354U (en) * | 2010-12-28 | 2011-09-14 | 西安航天自动化股份有限公司 | Phase-stable detecting device of online turbidimetric apparatus |
| CN204214768U (en) * | 2014-11-24 | 2015-03-18 | 安徽芯核防务装备技术股份有限公司 | A kind of froth breaking shade for turbidity and dissolved oxygen sensor |
| CN207730303U (en) * | 2018-01-12 | 2018-08-14 | 东风设计研究院有限公司 | Anti- liquid fluctuating interference liquid level detection gauge and detection device |
| CN208171852U (en) * | 2018-05-17 | 2018-11-30 | 西安建筑科技大学 | A kind of high-precision surface scattering turbidimeter |
-
2021
- 2021-05-26 CN CN202110576676.5A patent/CN113358568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201974354U (en) * | 2010-12-28 | 2011-09-14 | 西安航天自动化股份有限公司 | Phase-stable detecting device of online turbidimetric apparatus |
| CN204214768U (en) * | 2014-11-24 | 2015-03-18 | 安徽芯核防务装备技术股份有限公司 | A kind of froth breaking shade for turbidity and dissolved oxygen sensor |
| CN207730303U (en) * | 2018-01-12 | 2018-08-14 | 东风设计研究院有限公司 | Anti- liquid fluctuating interference liquid level detection gauge and detection device |
| CN208171852U (en) * | 2018-05-17 | 2018-11-30 | 西安建筑科技大学 | A kind of high-precision surface scattering turbidimeter |
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Application publication date: 20210907 |