CN205506162U - Defoaming mechanism, liquid level detection device and evaporation device for liquid level detection - Google Patents
Defoaming mechanism, liquid level detection device and evaporation device for liquid level detection Download PDFInfo
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- CN205506162U CN205506162U CN201620293308.4U CN201620293308U CN205506162U CN 205506162 U CN205506162 U CN 205506162U CN 201620293308 U CN201620293308 U CN 201620293308U CN 205506162 U CN205506162 U CN 205506162U
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- liquid level
- level detection
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Abstract
The utility model discloses a defoaming mechanism, liquid level detection device and evaporation device for liquid level detection for liquid level detection's defoaming mechanism, including cavity (1) and blade (2), the front portion of cavity (1) include opening (11) of flaring, blade (2) set up in the bottom of opening (11), blade (2) can rotate around self axis. The utility model discloses a foam and the undulant influence of liquid level can be eliminated by defoaming mechanism under the condition that does not consume the extra power for the level gauge can accurate detection liquid level.
Description
Technical field
This utility model relates to liquid measure field, particularly to a kind of froth breaking mechanism for Level Detection.
Additionally, this utility model further relates to a kind of liquid level detection device and a kind of evaporation with this liquid level detection device
Device.
Background technology
In all kinds of processing technique of modern industry, such as beer fermentation, Industrial Wastewater Treatment etc., due to boiling or
The reasons such as stirring, in tank body, liquid level is often the state of bubble fluctuation, according to the temperature in tank body and liquid stream
Emotionally condition, liquid level situation varies again, is therefore difficult to be measured in tank body by general liquidometer
Amount of liquid.
As a example by liquid level in evaporation equipment, there is fluid zone, gas-liquid mixed district and gas zone in tank body, and
Liquid fluctuating is bigger.Owing to liquid fluctuating is big, and with foam, conventional liquid contact liquid level meter cannot
The liquid level of reality detected accurately.And ultrasonic, radar type or photoelectric liquid-levle meter cannot be distinguished by gas-liquid mixed
District and fluid zone, the amount of liquid detected can be more than actual amount of liquid.For so exist foam and
Liquid in the container of liquid fluctuating, in liquidometer of the prior art all can not reflect tank body exactly
Liquid level.
Utility model content
In view of this, the utility model proposes a kind of for froth breaking mechanism, this mechanism can eliminate foam and liquid level
Fluctuation is for the impact of liquid level detection device, so that liquid level detection device can accurately measure liquid level.
On the one hand, this utility model provides a kind of froth breaking mechanism for Level Detection, including chamber and leaf
Sheet；The front portion of described chamber includes the opening of flaring；Described blade is arranged at the bottom of described opening；
Described blade can be around own axis.
Further, the opening of described chamber is horn-like.
Further, described blade is helical blade.
On the other hand, this utility model also proposes a kind of liquid level detection device, including above-mentioned froth breaking mechanism and
Liquidometer；Described liquidometer is arranged at the rear portion of described chamber.
Further, above-mentioned liquid level detection device also includes mesh；Described mesh is arranged at described chamber
The rear portion of room, is set in the outside of described liquidometer.
Further, the bottom of described chamber is provided with seal member.
Further, described seal member is flange.
Further, above-mentioned liquid level detection device also includes connecting pipeline, one end of described connecting pipeline with
The rear portion connection of described chamber, described connecting pipeline is provided with valve.
Further, described blade is stainless steel blade or polypropylene foil.
The third aspect, this utility model also proposes a kind of vaporising device, including above-mentioned liquid level detection device,
And container for evaporation, on the downward-sloping sidewall being located at container for evaporation of the chamber of described liquid level detection device.
When using this utility model froth breaking mechanism, make that froth breaking mechanism is downward-sloping to be arranged in residing container, and
Liquidometer is placed on the position after chamber Leaf, and liquid is from the opening part of the front portion of chamber, i.e. flaring
Entering, hydraulic shock opening, due to opening, from front end to bottom, its bore is gradually reduced, and liquid is by opening
Extruding, impulsive force becomes big.Blade is arranged at the bottom of opening, and the kinetic energy band moving vane of hydraulic shock rotates,
On the one hand consuming the kinetic energy of liquid, reduce liquid fluctuating, on the other hand the rotation of blade can be sheared and be disappeared
Foam-expelling.When liquid passes through opening and the blade of chamber, the interference of foam and liquid fluctuating is eliminated,
Liquidometer after being arranged on chamber Leaf just can accurately record liquid level.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, this
The schematic description and description of utility model is used for explaining this utility model, is not intended that this practicality new
The improper restriction of type.In the accompanying drawings:
Fig. 1 is the structural representation of first detailed description of the invention of the provided liquid level detection device of this utility model
Figure.
Fig. 2 is the structural representation of second detailed description of the invention of the provided liquid level detection device of this utility model
Figure.
The structural representation of the 3rd detailed description of the invention that Fig. 3 is the provided liquid level detection device of this utility model
Figure.
Fig. 4 is the structural representation of a detailed description of the invention of the provided vaporising device of this utility model.
Fig. 5 is that liquid level detection device of the present utility model is for measuring showing of a detailed description of the invention of liquid level
It is intended to.
Fig. 6 is that liquid level detection device of the present utility model is for measuring the another embodiment of liquid level
Schematic diagram.
Description of reference numerals:
Fig. 1 to Fig. 4 reference is as follows:
Chamber 1；Opening 11；Rear portion 12；Seal member 13；Blade 2；Liquidometer 3；Mesh 4；
Connecting pipeline 5；Valve 51；Container 6.
Fig. 5 to Fig. 6 reference is as follows:
Gas zone 100；Gas-liquid mixed district 200；Fluid zone 300；Critical zone 400；Liquid level detection device 500.
Detailed description of the invention
Elaborating embodiment of the present utility model below, the present embodiment is with this utility model technical side
Carry out implementing to give detailed embodiment and concrete operating process under premised on case, but this utility model
Protection domain be not limited to following embodiment.
In description of the present utility model, it is to be understood that term " on ", D score, " front ",
" afterwards ", "left", "right", " top ", " end ", " interior ", " outward " etc. instruction orientation or
Position relationship is based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and
Simplify and describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or dark
Show relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ",
The feature of " second " can express or implicitly include one or more this feature.New in this practicality
In the description of type, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ",
" connect ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be
Removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be direct
It is connected, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For ability
For the those of ordinary skill in territory, above-mentioned term tool in this utility model can be understood as the case may be
Body implication.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on "
Or D score can include that the first and second features directly contact, it is also possible to include the first and second features not
It is directly contact but by the other characterisation contact between them.And, fisrt feature is in second feature
On " ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or
It is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " under
Side " and " below " include that fisrt feature immediately below second feature and obliquely downward, or is merely representative of the first spy
Levy level height less than second feature.
Refer to first specific embodiment party that Fig. 1, Fig. 1 are the provided liquid level detection device of this utility model
The structural representation of formula.A kind of froth breaking mechanism for Level Detection, including chamber 1 and blade 2；Described
The front portion of chamber 1 include the opening 11 of flaring；Described blade 2 is arranged at the bottom of described opening 11；
Described blade 2 can be around own axis.
The bottom of opening 11 refers to one end that the bore of opening 11 is less.The length of the opening 11 of chamber 1 and
Bore is adjusted according to residing volume of a container and liquid level situation.Such as, for tun, its liquid level
Fluctuation violent, should suitably increase length and the bore of opening 11, make opening 11 go deep into container inner wall, from
And make enough length and bore difference for improving hydraulic shock power.
Blade 2 can be integral type can be around the blade of own axis, it is also possible to be single by several pieces
The knockdown blade that blade combines around a certain axis, described knockdown blade is around own axes
Rotate the axis rotation meaning that the box-like blade of winding is overall.
When using this froth breaking mechanism, make that froth breaking mechanism is downward-sloping to be arranged in residing container, and by liquidometer
It is placed on the position after chamber 1 Leaf 2.Liquid is at the opening 11 of the front portion of chamber 1, i.e. flaring
Entering, hydraulic shock opening 11, due to opening 11, from front end to bottom, its bore is gradually reduced, and liquid is subject to
To the extruding of opening 11, impulsive force becomes big.Blade 2 is arranged at the bottom of opening 11, moving of hydraulic shock
Can rotate by band moving vane 2, on the one hand consume the kinetic energy of liquid, reduce liquid fluctuating, on the other hand leaf
The rotation of sheet 2 can shear elimination foam.When liquid passes through opening 11 and the blade 2 of chamber 1, bubble
The interference of foam and liquid fluctuating is eliminated, and the liquidometer 3 after being arranged on chamber 1 Leaf 2 just can
Accurately record liquid level.
Above-mentioned froth breaking mechanism installs, demolition and maintenance are easy, it is not necessary to transform existing equipment in a large number, also
Without using the detection equipment of other costlinesses, only existing equipment simply need to be transformed, bubble can be eliminated
Foam and the interference of level fluctuation, make ordinary level meter reach accurately to detect the purpose of liquid level.
Refer to Fig. 1 and Fig. 3.Fig. 1 to Fig. 3 is respectively the provided liquid level detection device of this utility model
The structural representation of three detailed description of the invention.The opening 11 of chamber 1 is in horn-like.
Different trumpet-shaped openings 11, such as Fig. 1 institute is selected according to residing volume of a container and liquid level situation
Hyperbolic horn shape opening shown in the straight line flare openings that shows, Fig. 2 or the parabola loudspeaker shown in Fig. 3
Shape opening etc..According to different liquid level situations, can suitably select different flare openings.Such as residing
Volume of a container is relatively big, in the case of liquid fluctuating is violent especially, can use parabola flare openings,
Parabola flare openings can buffer the impulsive force of liquid level, and when preventing impulsive force excessive, blade 2 rotated
In quickly, causing eddy flow excessive in chamber 1, instead result in liquidometer 3 cannot accurately detect liquid level.
Further, in another particular embodiment of the invention, blade 2 is helical blade.Helical blade is not
But the effect can play and shear froth breaking, reducing liquid fluctuating, and owing to helical blade is in hydraulic shock power
Promotion under rotational produce eddy flow, eddy flow can strengthen eliminate foam effect, also can be by many in liquid
Remaining impurity takes the rear portion 12 of chamber 1 out of, makes the rear portion 12 of chamber 1 be difficult to accumulative dirt, blocks.
A kind of liquid level detection device, including above-mentioned froth breaking mechanism and liquidometer 3；Above-mentioned liquidometer 3 sets
It is placed in the rear portion 12 of described chamber 1.
Internal diameter and the degree of depth at the rear portion 12 of above-mentioned chamber 1 become according to residing container and the difference of liquidometer
Change.Such as, for tun, the fluctuation of its liquid level is violent, when gas-liquid mixed district is higher, and should be suitable
Increase internal diameter and the degree of depth at the rear portion 12 of chamber 1, so that it has enough spaces to eliminate foam and fluctuation liquid
Impact in the face of level gauging.
Above-mentioned liquidometer 3 can be contact liquid level meter or contact-free level meter.Described contact liquid level
Meter means the instrument being measured liquid level by contact liq, such as capacitance level gauge, tuning-fork type liquidometer etc..Institute
The contact-free level meter stated means the instrument being not directly contacted with liquid indirect detection liquid level, such as supersonic liquid level
Meter, radar level gauge, fiber optic liquid height meter etc..Eliminating foam and the liquid fluctuating shadow to accuracy of measurement
After sound, above two liquidometer all can accurately record liquid level.Preferably contact liquid level meter, contact liquid level meter
Accurately measure can measure the level condition put, and cost is relatively low, maintains more convenient.
Froth breaking mechanism has above-mentioned technique effect, therefore has the liquid level detection device also phase of this froth breaking mechanism
That answers has above-mentioned technique effect.
Further, in another particular embodiment of the invention, above-mentioned liquid level detection device, also include netted
Part 4, mesh 4 is arranged at the rear portion 12 of chamber 1, is set in the outside of liquidometer 3.
The difference of the content of the impurity in viscosity according to liquid to be detected and liquid, selects different pore size and material
The mesh of matter.Such as, the viscosity of liquid to be detected is relatively big, and the impurity content in liquid is relatively big, then select
The mesh that aperture is relatively large, to prevent from blocking the situation of mesh.
Mesh 4 is located at the rear portion 12 of chamber 1, and is set in the outside of liquidometer 3, and so, liquid depends on
Secondary by opening 11 and blade 2 after, liquidometer 3 need to be arrived by mesh 4 again.Owing to mesh 4 has
Having mesh, liquid is ruptured by the extruding of mesh by bubble during mesh 4, can further enhance whole
The defoaming effect of individual liquid level detection device.On the other hand mesh 4 produces faint resistance to the liquid of flowing,
Also can reduce the fluctuation of liquid level further, eliminate interference so that liquidometer 3 can detect liquid level more accurately.
Further, in a specific embodiment, the bottom of chamber 1 is provided with seal member 13.
It is downward-sloping state in use due to liquid level detection device, even if liquid level rises to liquidometer 3 energy
The height detected, certain space still can be left in the rear portion 12 of chamber 1.Containing the bubble liquid opening from chamber 1
11 enter, and in the effect lower part lather collapse of blade 2, when the liquid level of liquid seals chamber 1, foam breaks
Split rear gas residue in chamber 1, and the rear portion 12 of chamber 1 is for sealing structure 13, now in chamber 1
Portion is hedged off from the outer world and forms certain malleation, and the malleation in chamber 1 can be pressed further by foam so that
Foam is more easily rupturable, and malleation is also beneficial to reduce the fluctuation of liquid level.
Above-mentioned seal member 13 is flange.When seal member 13 is flange, flange and chamber 1 pass through spiral shell
Nail connects, and seals with flange gasket between flange and chamber 1.When liquid level detection device long-play
Time, some impurity dirts be can pile up unavoidably in chamber 1, in mesh 4, demounting flange, peace used
Dress is simple, and clean and maintenance is convenient.
Further, in another particular embodiment of the invention, above-mentioned liquid level detection device also includes connection
Pipeline 5, one end of connecting pipeline 5 connects with the rear portion 12 of chamber 1, and connecting pipeline is provided with valve 51.
The rear portion 12 of chamber 1 is provided with seal member 13, when the liquid level of liquid exceedes opening 11, then liquid level with
Chamber 1 forms the space closed.A small amount of bubble burst forms malleation in making chamber 1, can squeeze further
Pressure foam so that foam is more easily rupturable, and malleation is conducive to reducing liquid fluctuating.If but the bubble of liquid
When foam is a lot, owing to a large amount of foams are vanished in chamber 1, in chamber 1, assemble a large amount of gases, with the external world
Pressure reduction is excessive, causes liquid cannot enter the rear portion 12 of chamber 1 smoothly and be detected by liquidometer 3.Now
Open valve 51, can rapidly the gas in chamber 1 be discharged by connecting pipeline 5, balance chamber 1 with
Extraneous air pressure.Therefore, connecting pipeline 5 and valve 51 can regulate the stream of the pressure in chamber 1 and liquid
Emotionally condition.Valve 51 can be manually-operated gate, it is also possible to for automatic valve.Above-mentioned automatic valve means to be borrowed
Help a kind of equipment that valve is controlled by some external force, such as pressure valve etc., the pressure in chamber 1
During more than setting value, valve is opened；When the pressure in chamber 1 is less than setting value, valve is automatically switched off.
Further, in another particular embodiment of the invention, above-mentioned blade 2 is stainless steel blade or poly-
Propylene blade.
Stainless steel blade wearability is good, high temperature resistant, corrosion-resistant, nontoxic；Polypropylene is high temperature resistant, chemically stable
Property is good, impact resistance, avirulence.Liquid level detection device is commonly used for measuring high temperature or the liquid of tool corrosive liquids
Position, stainless steel blade or polypropylene foil can preferably meet the measurement requirement of these special liquids.Additionally,
Some liquid higher to safety standards, as containing food, the fermentation liquid of medicine, it is desirable to blade itself is nontoxic
Property and noxious substance, stainless steel blade or polypropylene foil will not be discharged also can preferably meet these liquid
Measurement requirement.
Above-mentioned blade 2 is installed on fixing axle by axle sleeve, and axle sleeve is politef axle sleeve.Blade 2
It is fixed on fixing axle by axle sleeve, at this specific embodiment bottom bracket axle as sliding bearing, makes blade
Can be around solid fixed-axis rotation.Politef has lubrication high temperature resistant, low temperature resistant, corrosion-resistant, high and nothing
The advantages such as murder by poisoning, especially low friction performance.Hydraulic shock blade 2 so that blade 2 rotates, due to poly-
Frictional force between tetrafluoroethene axle sleeve and fixing axle is the least, thus when liquid fluctuating is more weak, less
Impulsive force can also promote blade 2 to rotate easily, plays elimination foam, and consumable liquid kinetic energy
Effect.
Refer to Fig. 4, Fig. 4 knot by a detailed description of the invention of the provided vaporising device of this utility model
Structure schematic diagram.In another particular embodiment of the invention, a kind of vaporising device, including above-mentioned Level Detection
Device and container for evaporation 6, the chamber 1 of described liquid level detection device is downward-sloping is arranged at container for evaporation 6
Sidewall on.
Above-mentioned liquid level detection device has aforesaid beneficial effect, therefore has the evaporation of above-mentioned liquid level detection device
Device also has corresponding beneficial effect.The chamber 1 of liquid level detection device is downward-sloping is arranged at container for evaporation
On the sidewall of 6, preferable froth breaking can be played and reduce the effect of fluctuation, accurately detecting liquid level, if chamber 1
It is vertically installed on sidewall, after liquid enters the rear portion 12 of chamber 1, when liquid level declines, and liquid is difficult to backflow
In container for evaporation 6, easily affect testing result.The angle tilted depends on liquid in container for evaporation 6
The fluctuation situation of viscosity and liquid level.Such as, when liquid viscosity is bigger, the liquid of impulse chamber 1 is difficult to back
Fall, now should suitably reduce the angle that chamber 1 tilts.The most such as, relatively big when liquid fluctuating or foam is relatively
Time many, also should suitably reduce the angle that chamber 1 tilts.
Due to the downward-sloping setting of liquid level detection device, even if liquid level rises to the height that liquidometer 3 can detect
Degree, certain space still can be left in the rear portion 12 of chamber 1.When the liquid level of liquid exceedes opening 11, and chamber
When the rear portion 12 of room 1 is provided with seal member 13, then liquid level forms, with chamber 1, the space closed.Work as liquid
Interior foam gradually ruptures, and discharges air, now forms malleation, crushed foam in chamber 1, be conducive to into
One one-step defoaming, malleation also contributes to reduce liquid fluctuating.
Fig. 5 is that liquid level detection device of the present utility model is for measuring showing of a detailed description of the invention of liquid level
It is intended to.Fig. 6 is that liquid level detection device of the present utility model is for measuring the another embodiment of liquid level
Schematic diagram.
Refer to Fig. 5, in a specific embodiment, liquid level detection device 500 contains bubble for detection
The liquid level of the fluctuation liquid level of foam, liquid level detection device 500 is in gas-liquid mixed district 200.Now conventional liquid level
Detection device may show that liquid level is effective under liquid fluctuating or foam shock.And liquid level of the present utility model
Detection device 500 eliminates the impact of foam and liquid fluctuating, and liquidometer shows now without liquid level signal.
Refer to Fig. 6, in another particular embodiment of the invention, liquid level detection device 500 contains for detection
The liquid level of the fluctuation liquid level of foam, liquid level detection device 500 is in gas-liquid mixed district 200 and fluid zone 300
Between critical zone 400.In the case of liquid fluctuating amplitude is relatively big, such as in vaporizer, liquid boils
Rising, liquid fluctuating is violent, and now conventional equipment easily can't detect the situation of liquid level, or because of detection
Signal error is caused to fluctuation high point.And liquid level detection device 500 of the present utility model is examined the most effectively
Measure the liquid level in container.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (10)
1. the froth breaking mechanism for Level Detection, it is characterised in that include chamber (1) and blade (2)；
The front portion of described chamber (1) includes the opening (11) of flaring；Described blade (2) is arranged at described
The bottom of opening (11)；Described blade (2) can be around own axis.
2. froth breaking mechanism as claimed in claim 1, it is characterised in that the opening of described chamber (1)
(11) in horn-like.
3. froth breaking mechanism as claimed in claim 1, it is characterised in that described blade (2) is spiral
Blade.
4. a liquid level detection device, it is characterised in that include the froth breaking described in any one of claims 1 to 3
Mechanism and liquidometer (3)；Described liquidometer (3) is arranged at the rear portion (12) of described chamber (1).
5. liquid level detection device as claimed in claim 4, it is characterised in that also include mesh (4)；
Described mesh (4) is arranged at the rear portion (12) of described chamber (1), is set in described liquidometer (3)
Outside.
6. the liquid level detection device as described in any one of claim 4～5, it is characterised in that described chamber
(1) bottom (12) is provided with seal member (13).
7. liquid level detection device as claimed in claim 6, it is characterised in that described seal member (13)
For flange.
8. liquid level detection device as claimed in claim 6, it is characterised in that also include connecting pipeline (5),
One end of described connecting pipeline (5) connects with the rear portion (12) of described chamber (1), described connection
Pipeline (5) is provided with valve (51).
9. liquid level detection device as claimed in claim 6, it is characterised in that described blade (2) is
Stainless steel blade or polypropylene foil.
10. a vaporising device, it is characterised in that include Level Detection described in any one of claim 4～9
Device, and container for evaporation (6), the chamber (1) of described liquid level detection device is downward-sloping is located at steaming
Send out on the sidewall of container (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293308.4U CN205506162U (en) | 2016-04-08 | 2016-04-08 | Defoaming mechanism, liquid level detection device and evaporation device for liquid level detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293308.4U CN205506162U (en) | 2016-04-08 | 2016-04-08 | Defoaming mechanism, liquid level detection device and evaporation device for liquid level detection |
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| Publication Number | Publication Date |
|---|---|
| CN205506162U true CN205506162U (en) | 2016-08-24 |
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ID=56737676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620293308.4U Active CN205506162U (en) | 2016-04-08 | 2016-04-08 | Defoaming mechanism, liquid level detection device and evaporation device for liquid level detection |
Country Status (1)
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| CN (1) | CN205506162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841774A (en) * | 2016-04-08 | 2016-08-10 | 深圳市沃维斯环保科技有限公司 | Defoaming mechanism for liquid level detection, liquid level detecting device and evaporating device |
-
2016
- 2016-04-08 CN CN201620293308.4U patent/CN205506162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841774A (en) * | 2016-04-08 | 2016-08-10 | 深圳市沃维斯环保科技有限公司 | Defoaming mechanism for liquid level detection, liquid level detecting device and evaporating device |
| CN105841774B (en) * | 2016-04-08 | 2022-05-20 | 深圳市沃维斯环保科技有限公司 | Defoaming mechanism for liquid level detection, liquid level detection device and evaporation device |
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