CN113984131A - Liquid level measurement type float flowmeter in toxic medium - Google Patents
Liquid level measurement type float flowmeter in toxic medium Download PDFInfo
- Publication number
- CN113984131A CN113984131A CN202010729261.2A CN202010729261A CN113984131A CN 113984131 A CN113984131 A CN 113984131A CN 202010729261 A CN202010729261 A CN 202010729261A CN 113984131 A CN113984131 A CN 113984131A
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- CN
- China
- Prior art keywords
- guide pipe
- pipe
- float
- floater
- liquid level
- 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
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- 239000007788 liquid Substances 0.000 title claims abstract description 17
- 231100000331 toxic Toxicity 0.000 title claims abstract description 14
- 230000002588 toxic effect Effects 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 title claims abstract description 10
- 230000005291 magnetic effect Effects 0.000 claims abstract description 14
- 239000000696 magnetic material Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/52—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring the height of the fluid level due to the lifting power of the fluid flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/006—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus characterised by the use of a particular material, e.g. anti-corrosive material
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention aims to provide a liquid level measurement type float flowmeter in toxic media, which is used for measuring flow, wherein a soft magnetic material ring is arranged in a float to improve the stability of the float during measurement; comprises a taper pipe, a floater, a magnetic floating element, a guide pipe and a fixing device; the upper end of the conical pipe is provided with an upper flange, the lower end of the conical pipe is provided with a lower flange, and a guide pipe is vertically arranged in the conical pipe; the floater is sleeved on the outer surface of the guide pipe and slides up and down along the guide pipe; the magnetic floating element is arranged in the guide pipe and is matched with the floater; the upper end of the guide pipe is also provided with an upper plug fixed with the upper flange, and the lower end of the guide pipe is also provided with a lower plug fixed with the lower flange; the invention has the beneficial effects that: extremely excellent anti-waving performance: the structure of the anti-fluctuation is extremely small; the floater 2 is internally provided with soft magnetic materials, and the detection element is positioned in the guide pipe, so that the sealing is reliable, the detection element is not contacted with a medium, and the influence of medium pollution is avoided.
Description
Technical Field
The invention relates to the technical field of flowmeters, in particular to a liquid level measurement type float flowmeter in toxic media.
Background
The flow rate detecting element of float flowmeter is a measuring equipment formed from a vertical conical tube which is enlarged from bottom to top and a float group which can be moved up and down along the axis of conical tube, and is a volume flow meter which can be used for measuring by means of that the float can be lifted and fallen in the vertical conical tube along with the change of flow rate and the flow area between them can be changed, also called rotor flowmeter.
The Chinese invention patent is disclosed, the publication number is: CN208536929U, patent name: horizontal metal pipe float flowmeter, application date: 20180908, which discloses a horizontal metal tube float flowmeter, the technical proposal is based on the float flowmeter structure and carries out innovative design on a liquid circulation path. Specifically, the invention is connected to the horizontal pipeline through the lower end enclosure, and when the pipeline to be measured is filled with the medium, the fluid enters from the water inlet and flows to the water outlet, so that the flowmeter is filled. When the horizontal pipeline has flow, the float of the float flowmeter can displace upwards under the action of mechanics, and the displacement is in direct proportion to the flow of the horizontal pipeline, so that the flow is measured. The invention is convenient for installation and maintenance, and simultaneously solves the problem of flowmeter precision. The invention realizes good technical effect by innovative technical improvement, has lower cost and is easy to realize, thereby having wide application prospect.
Disclosure of Invention
The invention aims to provide a liquid level measurement type float flowmeter in a toxic medium, which is used for measuring flow, and a soft magnetic material ring is arranged in a float to improve the stability of the float during measurement.
A float flowmeter for measuring the liquid level in toxic medium is composed of conic tube, float, magnetic floating element, guide tube and fixer;
it is characterized in that the preparation method is characterized in that,
the upper end of the conical pipe is provided with an upper flange, the lower end of the conical pipe is provided with a lower flange, and a guide pipe is vertically arranged in the conical pipe;
the floater is sleeved on the outer surface of the guide pipe and slides up and down along the guide pipe;
the magnetic floating element is arranged in the guide pipe and is matched with the floater;
the upper end of the guide pipe is also provided with an upper plug fixed with the upper flange, and the lower end of the guide pipe is also provided with a lower plug fixed with the lower flange.
Preferably, the taper pipe is arranged in a conical shape, and the diameter of the taper pipe is gradually reduced from the top to the bottom.
Preferably, the upper end of the guide pipe is arranged at a right angle and extends to the outside of the taper pipe along the horizontal direction.
Preferably, the end of the guide pipe extending towards the outside of the taper pipe is further provided with a pressure measuring pipe joint.
Preferably, the surface of the float in contact with the guide tube is provided with a ring of soft magnetic material.
Preferably, the outer surface of the float is provided with a corrosion resistant material.
Preferably, the material of the guide tube is glass or plastic.
The invention has the beneficial effects that:
(1) extremely excellent anti-waving performance: the float flowmeter has flow field disturbance sometimes, the float displaces up and down greatly, and the measured value has fluctuation certainly; in the design, the magnetic floating element 3 is immersed in liquid and cannot rapidly move up and down under the damping action of the liquid, so that the fluctuation of measurement data is small.
(2) The structure of the anti-fluctuation is extremely small; in order to increase the damping of the float, a damping device is used, a mechanism is inevitably increased, and the size is increased;
(3) the floater 2 is internally provided with soft magnetic materials and forms a magnetic loop with the magnetic floating element 3, if a magnetic shielding layer is added in the floater, the floater 2 can not show magnetism, ferromagnetic substances in liquid can not be adsorbed on the floater, and the working condition is the fatal weakness of the metal tube floater flowmeter.
(4) Because the detection element is arranged in the guide pipe, the sealing is reliable, the detection element is not contacted with a medium, and the detection element is not influenced by medium pollution, so that the detection device is suitable for occasions of toxic and harmful media.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a taper pipe; 2. a float; 3. a magnetic floating element; 4. a guide tube; (ii) a 5. A lower flange; 6. an upper flange; 7. an upper plug; 8. and (7) a lower plug.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way.
The invention provides a liquid level measurement type float flowmeter in toxic media, which comprises a conical pipe 1, wherein flanges are respectively arranged at the upper part and the lower part of the conical pipe 1, a guide pipe 4 is vertically arranged in the conical pipe 1, the upper end and the lower end of the guide pipe 4 are respectively provided with a plug for fixing the positions of the guide pipe 4 and the upper flange and the lower flange, the guide pipe 4 is filled with liquid, a float 2 is sleeved on the outer surface of the guide pipe 4, the upper end of the guide pipe 4 is arranged in a right angle and extends to the outside of the conical pipe 1 along the horizontal direction, and the end part of the guide pipe is provided with a pressure measuring pipe joint 10. The magnetic floating element 3 is arranged in the guide tube 4 and can be connected by a capillary hose which is filled with liquid.
In the preferred embodiment, the taper pipe 1 is tapered, and the diameter is gradually reduced from the top to the bottom.
In this embodiment it is preferred that the surface of the float 2 in contact with the guide tube 4 is provided with a ring of soft magnetic material.
In this embodiment it is preferred that the outer surface of the float 2 is provided with a corrosion resistant material.
In this embodiment, the material of the guide tube 4 is preferably glass or plastic.
The working principle is as follows:
along with the change of the flow, the floater 2 moves up and down along the guide pipe 4; the magnetic floating element 3 moves up and down with the soft magnetic material ring because of the magnetic force in the float 2, and thus the position is detected by the load cell.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. A float flowmeter for measuring the liquid level in toxic medium is composed of conic tube, float, magnetic floating element, guide tube and fixer;
it is characterized in that the preparation method is characterized in that,
the upper end of the conical pipe is provided with an upper flange, the lower end of the conical pipe is provided with a lower flange, and a guide pipe is vertically arranged in the conical pipe;
the floater is sleeved on the outer surface of the guide pipe and slides up and down along the guide pipe;
the magnetic floating element is arranged in the guide pipe and is matched with the floater;
the upper end of the guide pipe is also provided with an upper plug fixed with the upper flange, and the lower end of the guide pipe is also provided with a lower plug fixed with the lower flange.
2. The float flowmeter of claim 1, wherein said cone is tapered and gradually decreases in diameter from top to bottom.
3. The toxic medium liquid level measuring float flowmeter of claim 2, wherein the upper end of the guide pipe is arranged at a right angle and extends to the outside of the taper pipe along the horizontal direction.
4. The toxic medium liquid level measuring float flowmeter of claim 3, wherein the end of the guide pipe extending to the outside of the taper pipe is further provided with a pressure pipe joint.
5. The toxic medium level measurement float flowmeter of claim 4, wherein the surface of the float in contact with the guide tube is provided with a ring of soft magnetic material.
6. A toxic medium level gauging float flowmeter according to claim 5, wherein the outer surface of the float is provided with a corrosion resistant material.
7. The toxic medium liquid level measuring float flowmeter of claim 6, wherein the guide tube is made of glass or plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729261.2A CN113984131A (en) | 2020-07-27 | 2020-07-27 | Liquid level measurement type float flowmeter in toxic medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729261.2A CN113984131A (en) | 2020-07-27 | 2020-07-27 | Liquid level measurement type float flowmeter in toxic medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113984131A true CN113984131A (en) | 2022-01-28 |
Family
ID=79731395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010729261.2A Pending CN113984131A (en) | 2020-07-27 | 2020-07-27 | Liquid level measurement type float flowmeter in toxic medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113984131A (en) |
-
2020
- 2020-07-27 CN CN202010729261.2A patent/CN113984131A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220128 |