CN205719166U - A kind of system measured containing foam liquid liquid level - Google Patents
A kind of system measured containing foam liquid liquid level Download PDFInfo
- Publication number
- CN205719166U CN205719166U CN201620274171.8U CN201620274171U CN205719166U CN 205719166 U CN205719166 U CN 205719166U CN 201620274171 U CN201620274171 U CN 201620274171U CN 205719166 U CN205719166 U CN 205719166U
- Authority
- CN
- China
- Prior art keywords
- pressure gauge
- liquid
- liquid level
- container
- pressure
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 145
- 239000006260 foam Substances 0.000 title claims abstract description 29
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 13
- 238000004364 calculation method Methods 0.000 claims description 7
- 238000000855 fermentation Methods 0.000 abstract description 16
- 230000004151 fermentation Effects 0.000 abstract description 13
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 abstract 1
- 230000009191 jumping Effects 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
This utility model relates to a kind of system measured containing foam liquid liquid level, different parts in container for holding liquid installs multiple pressure gauges, gathering the vertical dimension between pressure gauge and force value that described pressure gauge measurement obtains, the relation utilizing described force value to be directly proportional to liquid height calculates the liquid level in described container；Described pressure gauge includes the first pressure gauge being positioned at described container top and is arranged at the pump entry being connected with described container the second pressure gauge at parallel position.This utility model can calculate the accurate liquid level in fermentation tank by the force value of the distance between pressure gauge and measurement.Solve level gauging in container to be forbidden, cause the abnormal conditions such as foaming, circulating pump interlocking jumping car cannot the problem of anticipation, it is ensured that the stable operation of production technology.
Description
Technical field
This utility model belongs to technical field of liquid level measurement, particularly to what a kind of measurement contained foam liquid liquid level is
System.
Background technology
All the time, it is all relatively difficult for accurately measuring the liquid level containing foam liquid.Measured liquid level in the past
Instrument has a lot, including contact: such as resistance, electric capacity, ball float etc., and contactless: as ultrasonic
Ripple, radar etc., and these sensors all can be difficult to directly measure the accurate liquid level of reality because of the existence of foam.
Level gauging shows that simplest mode is installation liquid-level switch on container, when liquid level arrives liquid-level switch
Height time, liquid-level switch shows bright state.But produced liquid such as such as bio-fermentation process etc. rich in
Foam, viscosity are bigger, it is easy to foam occurs and is stained with on liquid-level switch, thus cause false liquid level to show
Problem.If foam is stained with the highest liquid-level switch, the illusion of liquid level superelevation can be caused；If foam is stained with
To the liquid-level switch that height is minimum, will also result in the illusion that liquid level is too low.Under normal circumstances, the liquid of fermentation tank
Circulating pump controls with minimum liquid level switch interlocking, and the wrong report of liquid-level switch can cause the interlocking of circulating pump to jump car,
It is unfavorable for the continuous operation containing techniques such as bubble fermentations.
Utility model content
For the problems referred to above of the prior art, this utility model provides a kind of measurement containing foam liquid liquid level
System, it is possible to accurately measure the liquid level containing foam liquid, it is to avoid the false alarm that foam causes, it is ensured that produce work
The stable operation of skill.
In order to achieve the above object, this utility model adopts the following technical scheme that a kind of containing foam liquid liquid level
Measurement system, the different parts in container for holding liquid is installed multiple pressure gauges, is gathered pressure
The force value that vertical dimension between measurement apparatus and described pressure gauge measurement obtain, utilizes described pressure
The relation that value is directly proportional to liquid height calculates the liquid level in described container；Described pressure gauge includes position
In the first pressure gauge of described container top and be arranged on the pump entry being connected with described container
The second pressure gauge at place's parallel position.
As the most preferred, hanging down between described first pressure gauge and the second pressure gauge
One or more pressure gauge is also set up in straight distance.
As the most preferred, hanging down between described first pressure gauge and the second pressure gauge
The the three, the 4th and the 5th pressure gauge is also set up in straight distance；The peace of described 3rd pressure gauge
Holding position is at the high level that technique allows, needed for the installation site of described 4th pressure gauge is technique
Optimal liquid level at, the installation site of described 5th pressure gauge be technique allow minimum liquid level at.
As the most preferably, each pressure gauge described is arranged on described container outer surface.
As the most preferably, described container is the container of confining zone pressure, non-open-top receptacle.
As the most preferably, described container is fermentation tank.
As the most preferably, described measured liquid includes that insoluble gas is dispersed in a liquid
Forming the gas-liquid mixed objects system of even density, under nominal situation, the density of liquid is uniform.
As the most preferably, described measured liquid is to produce in industrial gas biofermentation ethanol
Raw fermentation liquid.
As the most preferably, described pressure gauge is pressure transmitter.
As the most preferably, described pressure transmitter includes electronic-controlled installation and pressure transducer, described
Pressure transducer is connected with electronic-controlled installation by holding wire, electronic-controlled installation include signal processing chip,
Display module, signal processing chip is connected with display module, and signal processing chip is provided with binding post, described in connect
Line terminals is connected with pressure transducer by holding wire.
As the most preferably, described second pressure gauge is 10-20m with the distance of container bottom.
As the most preferred, described 5th pressure gauge and the distance of described second pressure gauge
For 0.4-0.8m, described 5th pressure gauge with the distance of described 4th pressure gauge is
0.4-0.8m.The convenience arranged for stability and the technique of each pressure gauge measurement data, Rational choice
Distance between each pressure gauge.
As the most preferably, described pressure gauge is connected with external control unit outside, described pressure measxurement
The signal that device records be sent in control unit calculate, described control unit according to result of calculation, then determine right
Liquid in container is to add or discharge.
As the most preferably, described control unit is provided with alarm unit and display lamp.
The beneficial effects of the utility model are:
1, this utility model is based on the principle that calculate formula P=ρ gh according to liquid pressure, works as liquid distribution
Uniformly, when density is identical everywhere, hydrostatic pressure P is goed deep into subsurface height h and is directly proportional to liquid, because of
This is by installing multiple pressure gauges, according to pressure gauge at the different parts of the container accommodating liquid
Between distance and the liquid pressure value of measurement just can calculate the accurate liquid level in container.
2, this utility model specifies position to install multiple stage pressure gauge at upper vessel portion, monitors diverse location
Pressure value.Such as may select monitoring point at high level, at minimum liquid level and at optimum liquid level.
3, the needs produced according to technique, the liquid level of the controlled container of this utility model is surveyed at described 5th pressure
More than amount device, below described 3rd pressure gauge, both can ensure that circulating pump worked, will not be because of liquid level
Too low cause interlocking jump car, it is also ensured that will not because liquid level is too high tank boil-overs.
4, pressure gauge of the present utility model can be connected with outside control unit, to provide signals to control
Unit processed calculates, and control unit can be automatically brought into operation according to result of calculation, to add the liquid in container or reduce.
Control unit also can be reported to the police in abnormal cases.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model examples measure system containing foam liquid liquid level.
Description of symbols in accompanying drawing is as follows: 1-fermentation tank, P001-fermentation tank circulating pump, PT0-the first pressure transmitter,
PT4-the second pressure transmitter, PT1-the 3rd pressure transmitter, PT2-the 4th pressure transmitter, PT3-the 5th
Pressure transmitter.
Detailed description of the invention
This utility model is by providing a kind of system measured containing foam liquid liquid level, it is possible to accurately measured by it
Liquid level containing foam liquid, it is to avoid the false alarm that foam causes, it is ensured that the stable operation of production technology.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment
Technique scheme is described in detail.
The embodiment of the present application measurement system containing foam liquid liquid level, in the different portions of container for holding liquid
Multiple pressure gauges are installed in position, gather the vertical dimension between pressure gauge and described pressure measxurement dress
Putting and measure the force value obtained, the relation utilizing described force value to be directly proportional to liquid height calculates described container
Interior liquid level；Described pressure gauge includes the first pressure gauge and the peace being positioned at described container top
It is contained in the second pressure gauge at parallel position at the pump entry being connected with described container.
One is also set up in vertical dimension between described first pressure gauge and the second pressure gauge
Or multiple pressure gauge.Concrete, the embodiment of the present application can be in described first pressure gauge and second
Three, the 4th and the 5th pressure gauge is set in the vertical dimension between pressure gauge；Described
The installation site of three pressure gauges is at the high level that technique allows, described 4th pressure gauge
Installation site is at the optimal liquid level needed for technique, and the installation site of described 5th pressure gauge is that technique permits
At the minimum liquid level permitted.Described second pressure gauge is 10-20m with the distance of container bottom.Described
Five pressure gauges are 0.4-0.8m with the distance of described second pressure gauge.
Each pressure gauge described is arranged on described container outer surface.Described container is confining zone pressure
Container, non-open-top receptacle.
Described measured liquid includes the dispersed gas forming even density in a liquid of insoluble gas
Liquid mixture system, under nominal situation, the density of liquid is uniform.Such as, described measured liquid is work
The fermentation liquid produced in industry coal gas biofermentation ethanol.
Described pressure gauge is pressure transmitter.
Described pressure gauge is connected with external control unit outside, the signal transmission that described pressure gauge records
Calculate in control unit, described control unit according to result of calculation, then determine the liquid in container is added or
Reduce.
Embodiment 1
As it is shown in figure 1, container is fermentation tank 1；P001 is fermentation tank circulating pump；First pressure transmitter PT0
For fermentation tank top pressure transmitter；3rd pressure transmitter PT1 is at the high level that technological operation allows
Pressure transmitter；4th pressure transmitter PT2 is pressure transmitter at the optimum liquid level of technological operation；The
Five pressure transmitter PT3 are pressure transmitter at the minimum liquid level that technological operation allows；Second pressure transmitter
PT4 is the pressure transmitter that same fermentation tank pump entry height is parallel.
Distance between 5 pressure transmitter installation sites is as follows: 1, the second pressure transmitter PT4 is away from fermentation
The distance of pot bottom is 10000mm, i.e. L0=10000mm.2, the 5th pressure transmitter PT3 and second
Distance between pressure transmitter PT4 is 500mm, i.e. h0=500mm.3, the 4th pressure transmitter PT2
And the distance between the 5th pressure transmitter PT3 is 500mm, i.e. h1=500mm.4, H1 and H2 is not
Know, be the distance needing to try to achieve.5, L1 and L2 is that citing calculates the liquid level needing to draw.
The needs produced according to technique, generally control the liquid level of fermentation tank 1 the 5th pressure transmitter PT3 with
On, the 3rd below pressure transmitter PT1, both can ensure that circulating pump worked, will not cause because liquid level is too low
Interlocking jump car, it is also ensured that will not because liquid level is too high tank boil-overs.Generally occur within following several situation:
1, as PT4=PT0, illustrate that liquid level is less than or equal to L0 (L0=10000mm), now circulating pump
Entrance no liquid, pump cannot work, belong to abnormal conditions.
2, work as PT3=PT0, during PT4 ＞ PT3, illustrate that liquid level L is in more than pump entry, and be less than
PT3, can meet circulating pump operating.
3, as PT3 ＞ PT0, illustrate that liquid level L is in more than PT3.
4, as PT2 ＞ PT0, illustrate that liquid level L is in more than PT2.
5, as PT1 ＞ PT0, illustrating that liquid level L is in more than PT1, liquid level exceedes tank body height, belongs to
Abnormal conditions.
The measuring method illustrating actual liquid level L1 and L2 is as follows:
(1), assume that required liquid level is in L1 position shown in Fig. 1.According to calculation of pressure formula P=ρ gh,
When even density, P to h is directly proportional.So, (PT3-PT2)/h1=(PT3-PT0)/H1, H1=
(PT3-PT0) * h1/ (PT3-PT2), wherein, h1=500mm, PT3, PT2, PT0 are that pressure becomes
Send the numerical value that device records, be it is known that H1 can be calculated.Required liquid level L1=L0+h0+H1, wherein
L0=10000mm, h0=500mm, H1 obtain, can draw required liquid level L1.
(2), assume that required liquid level is in L2 position shown in Fig. 1.According to calculation of pressure formula P=ρ gh,
When even density, P to h is directly proportional.So, (PT4-PT3)/h0=(PT4-PT0)/H2, H2=
(PT4-PT0) * h0/ (PT4-PT3), wherein, h0=500mm, PT4, PT3, PT0 are that pressure becomes
Send the numerical value that device records, be it is known that H2 can be calculated.Required liquid level L2=L0+H2, wherein
L0=10000mm, H2 obtain, can draw required liquid level L2.
According to above computational methods, it can be deduced that conclusion: when the liquid level of fermentation tank is between PT3 and PT1
Time, liquid level can calculate accurately.When liquid level is less than PT3, or during higher than PT1, the most permissible
Being shown by the numerical value of pressure transmitter and judge, both of these case belongs to abnormal conditions, it is not necessary to calculate accurate liquid
Position.
Technical scheme in above-mentioned the embodiment of the present application, at least has the following technical effect that or advantage:
1, this utility model is based on the principle that calculate formula P=ρ gh according to liquid pressure, works as liquid distribution
Uniformly, when density is identical everywhere, hydrostatic pressure P is goed deep into subsurface height h and is directly proportional, therefore to liquid
By accommodate liquid container different parts install multiple pressure gauges, according to pressure gauge it
Between distance and the liquid pressure value of measurement just can calculate the accurate liquid level in container.
2, this utility model specifies position to install multiple stage pressure gauge at upper vessel portion, monitors diverse location
Pressure value.Such as may select monitoring point at high level, at minimum liquid level and at optimum liquid level.
3, the needs produced according to technique, the liquid level of the controlled container of this utility model is surveyed at described 5th pressure
More than amount device, below described 3rd pressure gauge, both can ensure that circulating pump worked, will not be because of liquid level
Too low cause interlocking jump car, it is also ensured that will not because liquid level is too high tank boil-overs.
4, pressure gauge of the present utility model can be connected with outside control unit, to provide signals to control
Unit processed calculates, and control unit can be automatically brought into operation according to result of calculation, to add the liquid in container or reduce.
Control unit also can be reported to the police in abnormal cases.
Although having been described for preferred embodiment of the present utility model, but those skilled in the art once knowing
Basic creative concept, then can make other change and amendment to these embodiments.So, appended right is wanted
Ask and be intended to be construed to include preferred embodiment and fall into all changes and the amendment of this utility model scope.Aobvious
So, those skilled in the art can carry out various change and modification without deviating from this practicality newly to this utility model
The spirit and scope of type.So, if these amendments of the present utility model and modification belong to this utility model right
Require and within the scope of equivalent technologies, then this utility model is also intended to comprise these change and modification.
Claims (10)
1. the system measured containing foam liquid liquid level, it is characterized in that: the different parts in container for holding liquid installs multiple pressure gauges, described pressure gauge includes the first pressure gauge being positioned at described container top and is arranged at the pump entry being connected with described container the second pressure gauge at parallel position；Described pressure gauge is for gathering the force value at differing heights, and the relation utilizing described force value to be directly proportional to liquid height calculates the liquid level in described container.
The measurement the most according to claim 1 system containing foam liquid liquid level, it is characterised in that: also set up one or more pressure gauge in the vertical dimension between described first pressure gauge and the second pressure gauge.
The measurement the most according to claim 2 system containing foam liquid liquid level, it is characterised in that: also set up the three, the 4th and the 5th pressure gauge in the vertical dimension between described first pressure gauge and the second pressure gauge；The installation site of described 3rd pressure gauge is that at the high level that technique allows, the installation site of described 4th pressure gauge is at the optimal liquid level needed for technique, and the installation site of described 5th pressure gauge is at the minimum liquid level that technique allows.
4. the system of foam liquid liquid level is contained according to measuring described in any one of claim 1-3, it is characterised in that: each pressure gauge described is arranged on described container outer surface.
The measurement the most according to claim 1 system containing foam liquid liquid level, it is characterised in that: described container is the container of confining zone pressure.
The measurement the most according to claim 1 system containing foam liquid liquid level, it is characterised in that: described measured liquid includes the dispersed gas-liquid mixed objects system forming even density in a liquid of insoluble gas.
7. the system of foam liquid liquid level is contained according to measuring described in any one of claim 1-3, it is characterised in that: described pressure gauge is pressure transmitter.
The measurement the most according to claim 1 system containing foam liquid liquid level, it is characterised in that: described second pressure gauge is 10-20m with the distance of container bottom.
The measurement the most according to claim 3 system containing foam liquid liquid level, it is characterized in that: described 5th pressure gauge is 0.4-0.8m with the distance of described second pressure gauge, described 5th pressure gauge is 0.4-0.8m with the distance of described 4th pressure gauge.
10. the system of foam liquid liquid level is contained according to measuring described in any one of claim 1-3, it is characterized in that: described pressure gauge is connected with outside control unit, described control unit is for calculating the signal measured by described pressure gauge, and adds or drain according to result of calculation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620274171.8U CN205719166U (en) | 2016-04-05 | 2016-04-05 | A kind of system measured containing foam liquid liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620274171.8U CN205719166U (en) | 2016-04-05 | 2016-04-05 | A kind of system measured containing foam liquid liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205719166U true CN205719166U (en) | 2016-11-23 |
Family
ID=57311700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620274171.8U Active CN205719166U (en) | 2016-04-05 | 2016-04-05 | A kind of system measured containing foam liquid liquid level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205719166U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443481A (en) * | 2018-12-22 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of closed pressure vessel measuring device and level measuring method |
| CN109724668A (en) * | 2019-03-05 | 2019-05-07 | 华北电力科学研究院有限责任公司 | A kind of absorbing tower liquid-level height measuring device and method considering serum density difference |
| CN113375754A (en) * | 2021-04-30 | 2021-09-10 | 上海新昇半导体科技有限公司 | Liquid level detector capable of avoiding foam interference and liquid level detection method |
-
2016
- 2016-04-05 CN CN201620274171.8U patent/CN205719166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443481A (en) * | 2018-12-22 | 2019-03-08 | 中铁工程装备集团有限公司 | A kind of closed pressure vessel measuring device and level measuring method |
| CN109724668A (en) * | 2019-03-05 | 2019-05-07 | 华北电力科学研究院有限责任公司 | A kind of absorbing tower liquid-level height measuring device and method considering serum density difference |
| CN113375754A (en) * | 2021-04-30 | 2021-09-10 | 上海新昇半导体科技有限公司 | Liquid level detector capable of avoiding foam interference and liquid level detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205719166U (en) | A kind of system measured containing foam liquid liquid level | |
| CN100468015C (en) | Buoyancy scanning type polyphase liquid-level interface detection method and detector therefor | |
| CN105804162B (en) | Prevent the automatic control system and its method that water tank hydropexis is gone bad | |
| CN103090929A (en) | Measurement method of liquid level and position of tank body | |
| CN109443647A (en) | System and method for power battery pack seawater soak test | |
| CN108627216A (en) | A kind of cement bin material real-time monitoring device and monitoring method | |
| CN107976237A (en) | A kind of intelligent monitoring device and monitoring method for slip casting process grouting amount | |
| CN203298828U (en) | Device for measuring liquid level and boundary level of tank body | |
| CN105044382A (en) | Test board for measuring overall flow velocity of submersible mixer, and method for measuring overall flow velocity of submersible mixer | |
| CN202101804U (en) | Split-type hydraulic pressure detecting device | |
| CN202281762U (en) | Construction quality detection device for pile foundation | |
| CN105095671B (en) | Settle Monitoring and forecasting system in real-time instrument and system and implementation method | |
| CN216593660U (en) | Online metering system of essence spice jar | |
| CN211008519U (en) | Indoor drilling fluid flow detection device | |
| CN206515206U (en) | A kind of weir seepage measurement apparatus | |
| CN205638420U (en) | Liquid yield automatic metering device and oil-gas separator | |
| CN203117071U (en) | Densimeter weighing method detection device | |
| CN202532183U (en) | Pipeline conveying intelligent control system | |
| CN215114531U (en) | Foundation pit inclination angle inclinometer | |
| CN201059972Y (en) | Dry seal gas holder gas piston gradient automatic detection device | |
| CN114791280A (en) | Door-span type differential settlement automatic measuring system | |
| CN209214840U (en) | System for power battery pack seawater soak test | |
| CN204556051U (en) | A kind of self-adaptation non-invasive liquid level detection device | |
| CN1355356A (en) | Remote measuring method and equipment for vertical settling without reference beam | |
| CN203825001U (en) | Pump body lubricating oil monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180508 Address after: Shougang Jingtang United Iron & Steel Co., Ltd. Patentee after: HEBEI SHOULANG NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 100043 18 floor, block C, Grand View International Plaza, 31 Shijingshan Road, Shijingshan District, Beijing. Patentee before: BEIJING SHOUGANG LANGZE NEW ENERGY TECHNOLOGY CO.,LTD. |