CN218156322U - Brine corrosion resistant flowmeter - Google Patents
Brine corrosion resistant flowmeter Download PDFInfo
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- CN218156322U CN218156322U CN202222008454.6U CN202222008454U CN218156322U CN 218156322 U CN218156322 U CN 218156322U CN 202222008454 U CN202222008454 U CN 202222008454U CN 218156322 U CN218156322 U CN 218156322U
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Abstract
The utility model relates to an electromagnetic flowmeter technical field specifically discloses a flowmeter of resistant brine corrosion, including the electromagnetic flowmeter body, can dismantle in the measuring tube in the electromagnetic flowmeter body and be connected with the elastic conduit who is used for protecting the measuring tube inner wall, it has the inserted hole that is used for measuring the electrode and inserts the passing through to open on the elastic conduit, the elastic conduit is equipped with the anti-corrosion coating with fluidic contact surface, the input and the output of electromagnetic flowmeter body can be dismantled respectively and be connected with first boss and the second boss that is used for preventing that the elastic conduit from rocking, the problem that lacks necessary corrosion resisting function when traditional electromagnetic flowmeter measures strong acid and strong base fluid is solved to this device.
Description
Technical Field
The application relates to the technical field of electromagnetic flowmeters, and particularly discloses a brine corrosion resistant flowmeter.
Background
The flow meter is defined by the committee on the term of science and technology as: the instrument for indicating the measured flow and/or the total fluid amount in a selected time interval is simply an instrument for measuring the flow of fluid in a pipeline or an open channel, the measurement is the eye of industrial production, the flow measurement is one of the components of measurement science and technology, and has close relation with national economy, national defense construction and scientific research, the work is done, the instrument has important functions for ensuring the product quality, improving the production efficiency and promoting the development of science and technology, particularly in the current times with higher energy crisis and higher industrial production automation degree, the position and the function of the flowmeter in the national economy are more obvious, the flowmeter is divided into a differential pressure type flowmeter, a rotor flowmeter, a throttling type flowmeter, a slit flowmeter, a volume flowmeter, an electromagnetic flowmeter, an ultrasonic flowmeter and the like, and the flowmeter is classified according to media: liquid flow meters and gas flow meters.
Electromagnetic flowmeter develops along with electron technology's development and the novel flow meter who gets up rapidly, and electromagnetic flowmeter is the application electromagnetic induction principle, and the electromotive force that induces when passing through additional magnetic field according to conductive fluid measures conductive fluid flow's an instrument, and this kind of electromagnetic flowmeter's measurement pipeline is made by glass steel matter, and because the anticorrosive ability limitation of glass steel matter is great, when measuring the flow of high temperature, strong acid alkali fluid, this electromagnetic flowmeter is not suitable for. Therefore, there is a need for an electromagnetic flowmeter with improved corrosion resistance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that traditional electromagnetic flowmeter lacks necessary corrosion-resistant function when measuring strong acid and strong alkali fluid.
In order to achieve the above object, the present invention provides the following basic scheme:
the utility model provides a flowmeter of resistant brine corrosion, includes the electromagnetic flowmeter body, can dismantle in the measuring tube in the electromagnetic flowmeter body and be connected with the elasticity pipeline that is used for protecting the measuring tube inner wall, it has the inserted hole that is used for measuring the electrode and inserts the passing through to open on the elasticity pipeline, the elasticity pipeline is equipped with the anti-corrosion coating with fluidic contact surface, the input and the output of electromagnetic flowmeter body can be dismantled respectively and be connected with first boss and the second boss that is used for preventing the elasticity pipeline from rocking.
The principle and the effect of the basic scheme are as follows:
1. compared with the prior art, this device simple structure conceives ingeniously, and this device not only is applicable to traditional fluid detection, when needing to use strong acid alkali fluid, only needs the installation elasticity pipeline, and then is applicable to strong acid alkali fluid measurement equally, solves the problem that traditional electromagnetic flowmeter lacks necessary corrosion-resistant function when measuring strong acid alkali fluid.
2. Compared with the prior art, this device compares in traditional magnetic flowmeter, lie in the use of elastic pipeline, the connection can be dismantled to the elastic pipeline, can confirm whether to install the elastic pipeline according to actual conditions, be equipped with the inserted hole on the elastic pipeline, utilize the inserted hole to make the measurement current level can pass through the elastic pipeline, do not influence the use of measuring the current level, and, the elastic pipeline is equipped with the anticorrosion coating with the fluidic interface, utilize the anticorrosion coating to realize the protection to the elastic pipeline, and then reach the measuring effect of strong acid and strong base fluid, avoid strong acid and strong base fluid to corrode elastic pipeline and electromagnetic flowmeter body.
Furthermore, open the terminal surface of the input of electromagnetic flowmeter body has the ring channel, first boss includes boss piece and joint ring, and the joint ring is arranged in preventing that elastic pipeline from sliding towards the input of electromagnetic flowmeter body, and the boss piece is put into the ring channel.
Further, after the boss block is completely placed in the annular groove, the outer end face of the boss block is flush with the end face of the input end of the electromagnetic flowmeter body.
Furthermore, a plurality of threaded holes are formed in the second boss, screws are connected to the threaded holes in a threaded mode, and the screws are connected to the end face of the output end of the electromagnetic flowmeter body in a threaded mode.
Further, the anti-corrosion layer comprises an adhesive layer coated on the inner wall of the elastic pipeline and a corrosion-resistant layer arranged on the adhesive layer.
Further, the corrosion-resistant layer comprises an inner layer and an outer layer, the inner layer is an oxidation-resistant layer, the outer layer is polytetrafluoroethylene coating, the polytetrafluoroethylene coating is uniformly coated on the inner layer, and the thickness of the polytetrafluoroethylene coating is 2mm.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating an installation of a brine corrosion resistant flowmeter according to an embodiment of the present disclosure;
fig. 2 is a cross-sectional view of a flexible soft ring in a brine corrosion resistant flowmeter according to an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the electromagnetic flowmeter comprises an electromagnetic flowmeter body 1, a second boss 2, a screw 3, an elastic pipeline 4, an insertion hole 5, a boss block 6, a clamping ring 7 and an anti-corrosion layer 8.
Examples are shown in fig. 1 and 2:
the utility model provides a flowmeter of nai brine corrosion, includes electromagnetic flowmeter body 1, about electromagnetic flowmeter body 1, electromagnetic flowmeter body 1 in this embodiment adopts XKWJ-ZI type integral type electromagnetic flowmeter, about electromagnetic flowmeter: the device generally comprises a magnetic circuit system, a measuring pipeline, a measuring electrode and a shell;
a magnetic circuit system: the function of which is to generate a uniform dc or ac magnetic field. The DC magnetic circuit is realized by permanent magnet, its advantages are simple structure, less interference by AC magnetic field, easy polarization of electrolyte liquid passing through measuring pipe, positive electrode surrounded by negative ion, negative electrode surrounded by positive ion, i.e. polarization phenomenon of electrode, and increased internal resistance between two electrodes, thus seriously affecting normal operation of instrument. When the diameter of the pipeline is larger, the permanent magnet is correspondingly larger, and is heavy and uneconomical, so that the electromagnetic flowmeter generally adopts an alternating magnetic field and is generated by excitation of a 50HZ power frequency power supply.
Measuring a pipeline: the function of the device is to allow the measured conductive liquid to pass through. In order to shunt or short-circuit magnetic flux when magnetic lines of force pass through the measuring pipeline, the measuring pipeline must be made of materials which are non-magnetic, low in electric conductivity, low in heat conductivity and have certain mechanical strength, and non-magnetic stainless steel, glass fiber reinforced plastics, high-strength plastics, aluminum and the like can be selected.
Measuring electrodes: its function is to extract an induced potential signal proportional to the measured quantity. The electrodes are typically made of non-magnetic stainless steel and are required to be flush with the liner so that fluid flow is not impeded. Its installation position is preferably in the vertical direction of pipeline to prevent that sediment from piling up on it and influencing measurement accuracy, shell: the magnetic field shielding device is made of ferromagnetic materials, is an outer cover of a distribution system excitation coil, and isolates the interference of an external magnetic field.
Can dismantle in the measuring tube in the electromagnetic flowmeter body 1 and be connected with the elastic pipeline 4 that is used for protecting the measuring tube inner wall, it has the inserted hole 5 that is used for measuring the electrode and inserts the passing through to open on the elastic pipeline 4, and elastic pipeline 4 is equipped with anti-corrosion coating 8 with the fluidic interface, and the input and the output of electromagnetic flowmeter body 1 can dismantle respectively and be connected with first boss and second boss 2 that are used for preventing elastic pipeline 4 from rocking.
Specifically, the method comprises the following steps: the end face of the input end of the electromagnetic flowmeter body 1 is provided with an annular groove, the first boss comprises a boss block 6 and a clamping ring 7, the clamping ring 7 is used for preventing the elastic pipeline 4 from sliding towards the input end of the electromagnetic flowmeter body 1, and the boss block 6 is placed in the annular groove; after the boss block 6 is completely placed in the annular groove, the outer end face of the boss block 6 is flush with the end face of the input end of the electromagnetic flowmeter body 1, and the electromagnetic flowmeter body 1 can be better connected with a runner pipe through the design;
the same principle is that: be equipped with a plurality of screw holes on the second boss 2, screw hole threaded connection has screw 3, and 3 threaded connection of screw are on the terminal surface of the output of electromagnetic flowmeter body 1, in the concrete implementation: utilize screw 3 installation second boss 2 earlier, elastic pipeline 4 puts into, elastic pipeline 4's right-hand member face supports second boss 2, when elastic pipeline 4 puts into, need change elastic pipeline 4's shape with the hand, make the measurement level can insert inserted hole 5, then let's hand, elastic pipeline 4's material possesses certain elasticity, elastic pipeline 4 reconversion, paste the inner wall at electromagnetic flowmeter body 1 can, then install first boss, joint ring 7 supports elastic pipeline 4 terminal surface, boss piece 6 take the advantage of the situation put into the ring channel can, boss piece 6's fixed flange dish through subsequent runner pipe and from taking is realized fixedly.
The anti-corrosion layer 8 includes the viscose layer of smearing on 4 inner walls of elastic pipeline and the corrosion resistant layer of setting on the viscose layer, and the corrosion resistant layer includes inlayer and skin, and the inlayer is the antioxidation layer, and the skin is polytetrafluoroethylene coating, and polytetrafluoroethylene coating evenly coats and smears on the inlayer, and polytetrafluoroethylene coating's thickness is 2mm, and is specific: the elastic pipeline 4 is protected by the anti-corrosion layer 8, so that the measuring effect of strong acid and strong alkali fluid is achieved, and the elastic pipeline 4 and the electromagnetic flowmeter body 1 are prevented from being corroded by the strong acid and strong alkali fluid.
In use: this device not only is applicable to traditional fluid detection, when needing to use strong acid alkali fluid, only needs installation elasticity pipeline 4, just can be applicable to strong acid alkali fluid and measure, possesses certain flexibility, has solved the problem that lacks necessary corrosion-resistant function when traditional electromagnetic flowmeter measures strong acid alkali fluid.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a flowmeter of resistant brine corrosion, includes the electromagnetic flow meter body, its characterized in that: the utility model discloses an electromagnetic flowmeter, including electromagnetic flowmeter body, measuring pipeline, elastic pipeline, anti-corrosion layer, first boss and second boss that are used for preventing elastic pipeline to rock can be dismantled and be connected with in the measuring pipeline in the electromagnetic flowmeter body and be used for protecting the elastic pipeline inner wall, it has the inserted hole that is used for measuring the electrode to insert to pass through to open on the elastic pipeline, the elastic pipeline is equipped with anti-corrosion layer with the fluidic interface, the input and the output of electromagnetic flowmeter body can be dismantled respectively and be connected with the first boss and the second boss that are used for preventing elastic pipeline from rocking.
2. The brine corrosion resistant flowmeter of claim 1, wherein the end face of the input end of the electromagnetic flowmeter body is provided with an annular groove, the first boss comprises a boss block and a clamping ring, the clamping ring is used for preventing the elastic pipeline from sliding towards the input end of the electromagnetic flowmeter body, and the boss block is placed in the annular groove.
3. The brine corrosion resistant flowmeter of claim 2, wherein the outer end surface of the boss block is flush with the end surface of the input end of the electromagnetic flowmeter body after the boss block is completely received in the annular groove.
4. The brine corrosion resistant flowmeter of claim 1, wherein the second boss is provided with a plurality of threaded holes, and the threaded holes are in threaded connection with screws, and the screws are in threaded connection with an end face of the output end of the electromagnetic flowmeter body.
5. The brine corrosion resistant flowmeter of claim 1, wherein the corrosion protection layer comprises an adhesive layer coated on the inner wall of the flexible pipe and a corrosion protection layer disposed on the adhesive layer.
6. The brine corrosion resistant flowmeter of claim 5, wherein said corrosion resistant layer comprises an inner layer and an outer layer, said inner layer is an oxidation resistant layer, said outer layer is a polytetrafluoroethylene coating, said polytetrafluoroethylene coating is uniformly applied on said inner layer, and the thickness of said polytetrafluoroethylene coating is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222008454.6U CN218156322U (en) | 2022-08-01 | 2022-08-01 | Brine corrosion resistant flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222008454.6U CN218156322U (en) | 2022-08-01 | 2022-08-01 | Brine corrosion resistant flowmeter |
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| Publication Number | Publication Date |
|---|---|
| CN218156322U true CN218156322U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222008454.6U Active CN218156322U (en) | 2022-08-01 | 2022-08-01 | Brine corrosion resistant flowmeter |
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| CN (1) | CN218156322U (en) |
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2022
- 2022-08-01 CN CN202222008454.6U patent/CN218156322U/en active Active
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