CN105204378B - Using speed of sound differential from liquids having different specific weight medium intermittent discharge method and device - Google Patents
Using speed of sound differential from liquids having different specific weight medium intermittent discharge method and device Download PDFInfo
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- CN105204378B CN105204378B CN201410278031.3A CN201410278031A CN105204378B CN 105204378 B CN105204378 B CN 105204378B CN 201410278031 A CN201410278031 A CN 201410278031A CN 105204378 B CN105204378 B CN 105204378B
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- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 239000011261 inert gas Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000005484 gravity Effects 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The present invention relates to a kind of using speed of sound differential from immiscible liquids having different specific weight medium intermittent discharge method and device, especially a kind of for separating the method and device for containing inflammable volatile liquid medium in liquids having different specific weight.By the way that measuring cylinder (4) are arranged in systems, blank tank (3), ultrasonic probe, temp probe, the method and apparatus of nitrogen or inert gas source and respective line and valve, it solves the problems, such as to realize intermittent discharge, under the premise of guaranteeing separative efficiency, the inflammable volatile liquid medium of safe separating.
Description
Technical field
The present invention relates to a kind of using speed of sound differential from immiscible liquids having different specific weight medium intermittent discharge method
And device, it is especially a kind of for separating the method and device for having inflammable volatile liquid medium in liquids having different specific weight.
Background technique
China Patent No. is in CN1637414, and the present inventor has invented a kind of ultrasonic detection type automatic storage tank dewatering method
And its device is set by setting water distributing can and on water distributing can using ultrasonic wave to the difference of two kinds of liquid medium echo times
Ultrasonic probe is set, the method controlled using intelligent controller solves crude oil and product oil in petrochemical industry
The problem of automatic dehydration.Chinese patent publication No., which is that CN103425067 is entitled, identifies liquids having different specific weight using velocity of sound difference
Medium simultaneously controls in the system of its discharge, and the present inventor in blank tank by being arranged benchmark cylinder, with water in the benchmark cylinder that measures
Ultrasonic echo rate as standard, to conclude the appearance of oil, guarantee automatic water-cutting system among impurity siltation, occurring
It can observantly work under the abnormal conditions such as layer.
In the automatic system that both separate liquid using the difference of liquid different specific weight and the velocity of sound, use
In the case where being all continuous discharge, according to two kinds of liquid specific gravity differences using two kinds of liquid to the difference of the echo rate of ultrasonic wave
It is separated, but during continuous discharge, the layering face of two kinds of liquid is disturbed, influence divides water purity and efficiency.
And for inflammable volatile liquid medium, there are security risks by the way of continuously discharging, and are easy to cause the hair of accident
It is raw.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of using speed of sound differential from liquids having different specific weight medium interval
Formula discharge method contains inflammable volatile liquid in the liquid.
In order to solve the above technical problems, entire intermittent discharge method and step is as follows:
(1) valve 2 is opened, dense media outflow in storage tank；
(2) be mounted on the ultrasonic probe 4-5 in measuring cylinder and data that temp probe T1 is fed back at identical temperature
Reference data it is identical when, control system issue instruction, inlet valve KV1 and communicated with storage tank 1 pipeline valve KV4 open；
(3) when the echo time that two ultrasonic probe 4-1 and 4-2 are fed back on blank tank is identical, control system is issued
Instruction, inlet valve KV1 and the valve KV4 that pipeline is communicated with storage tank 1 are closed, and blank valve KV3 and intake valve KV2 are opened, into
Air valve is communicated with source nitrogen；
(4) propagation of the spread speed of the ultrasonic probe 4-2 feedback on blank tank in ultrasonic wave in gas medium
When velocity interval, control system issues instruction, and blank valve KV3 and intake valve KV2 are closed, inlet valve KV1 and with 1 phase of storage tank
The valve KV4 on siphunculus road is opened, and carries out second stage blank；
(5) after repeating aforementioned four step n times, wherein n >=1 is anti-as the ultrasonic probe 4-5 in measuring cylinder
Present data at identical temperature when reference data difference, control system is issued instructs, inlet valve KV1 and with 1 phase siphunculus of storage tank
The valve KV4 on road is closed, and in the valve responds time, the interface of two kinds of immiscible liquids, which drops to, in measuring cylinder 4 is parallel to
Or the feed inlet cross section higher than blank pipe, blank valve KV3 and intake valve KV2 are opened；
(6) light substance entered in measuring cylinder 4 is back in storage tank, and primary complete blank process is completed.
Preferably as one kind of the invention, reference data is that there are the ultrasounds obtained through overtesting in intelligence control system
The relation data of spread speed and temperature of the wave in dense media.
As another preferred embodiment of the invention, air inlet pipeline can also be communicated with inert gas source.
Another technical problem to be solved by this invention be to provide it is a kind of using speed of sound differential from liquids having different specific weight be situated between
Matter intermittent discharge device, including valve 2, blank tank 3, perpendicular separation are mounted on two ultrasonic probes on blank tank 3
4-1 and 4-2 is equipped with valve 7 on the blank pipe of the lower section of blank tank 3, and whole system is controlled by intelligence control system 5.
After the valve 2 connecting with storage tank 1, it is connected with measuring cylinder 4；Storage is led in pipeline one end on blank tank 3
Tank 1, the other end are air inlet pipeline, are connected with source nitrogen, and valve 8 is housed in air inlet pipe.
And control for convenience, between measuring cylinder 4 and blank tank 3, air inlet pipe, blank pipe and blank tank 3 with
Four autocontrol valves KV1, KV2, KV3, KV4 are installed between storage tank 1.
The digital carrier for Memory Reference data is equipped in the intelligence control system 5.
The length of measuring cylinder is H, and decrease speed of the dense media in measuring cylinder is v, in the reaction time t of valve, H, v
Relationship between t is H >=vt, wherein t≤5s；It is connect by the feed pipe of valve 2 with measuring cylinder 4, measuring cylinder
4 top horizontal extends from high to low along charging one end.
Preferably as one kind of the invention, parallel at the top of feed pipe or higher than being connected at the top of measuring cylinder 4.
Preferably as another kind of the invention, air inlet pipeline can also be connected with inert gas source.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is using speed of sound differential from liquids having different specific weight medium intermittent discharge method flow diagram schematic diagram.
Fig. 2 is using speed of sound differential from liquids having different specific weight medium intermittent discharge system schematic.
Fig. 3 is the connected mode schematic diagram of feeding pipe and measuring cylinder.
Fig. 4 is the oil content result folding of inflammable volatile liquid dehydration test ten times abjection water in intermittent discharge system
Line chart.
Specific embodiment
Fig. 1 is that flow chart of the speed of sound differential from liquids having different specific weight medium intermittent discharge method is utilized in the present invention.
Two kinds of different liquid mediums of immiscible specific gravity are stored in storage tank 1, are had in the liquid medium and inflammable are easily waved
The liquid of hair, wherein the biggish liquid of specific gravity is dense media, and the lesser liquid of specific gravity is light substance.
When being initially separated two kinds of liquid mediums, valve 2 is opened, when the ultrasonic probe 4-5 being located in measuring cylinder 4 is visited
When reference data at the identical temperature stored in the data and intelligence control system of survey feedback is identical, intelligence control system 5 is sent out
It instructs out, autocontrol valve KV4 is opened on autocontrol valve KV1 and the pipeline communicated with storage tank 1 on feed pipe, is opened
Begin to feed.In the present system, reference data is that there are the ultrasonic waves obtained through overtesting in intelligence control system in dense media
In spread speed and temperature relation data, find mutually synthermal corresponding spread speed, in this, as benchmark be used to than
It is right.
When the data that two ultrasonic probe 4-1 and 4-2 being mounted on blank tank 3 are fed back are identical, intelligent control system
System 5 issues instruction and closes autocontrol valve KV1 and KV4, stops charging, connect on the pipeline of nitrogen or inert gas from
It moves autocontrol valve KV3 on control valve KV2 and blank pipe and opens progress blank.Also have in intelligence control system 5
Spread speed range of the ultrasonic wave in gas, when data carry out in the spread speed homologous ray that ultrasonic probe 4-2 is detected
Compare, when in the range of gas, autocontrol valve KV2 and KV3 close, stop blank, autocontrol valve KV1 and
KV4 is opened, and feed pipe is fed again.
After the above process repeats n times, wherein n >=1, when the feedback data of the ultrasonic probe 4-5 in measuring cylinder 4
When temperature reference data difference identical as in intelligence control system 5, system command autocontrol valve KV1 and and air accumulator
The valve KV4 communicated is closed, and stops charging, and autocontrol valve KV3 is opened and air intake valve KV2 is opened, and starts blank.
The instruction for stopping charging being completely closed from autocontrol valve KV1 is issued to, the referred to as reaction time t of valve, it is known that and t≤
5s, within the reaction time of valve in t, the interface of two kinds of immiscible liquids is parallel to or is higher than blank in measuring cylinder 4
The feed inlet cross section of pipe, first separation discharge process are completed.
After the completion of blank, in measuring cylinder 4 light substance float up to the top of measuring cylinder along postpone at the top of measuring cylinder to survey
The feed pipe overhead reflux of cylinder head connection is into storage tank 1.
It is real by the device of Fig. 2 from liquids having different specific weight medium intermittent discharge method whole process using speed of sound differential
It is existing.As shown in Fig. 2, storage tank 1 by feed pipe connects measuring cylinder 4 after connecting with valve 2, is equipped with ultrasound in measuring cylinder 4
Wave probe 4-5 and temperature probe T 1, measuring cylinder 4 are connected by autocontrol valve KV1 with blank tank 3, blank tank 3
Upper perpendicular separation installs two external labeling types ultrasonic probe 4-1 and 4-2, hand hole S1 is equipped in the side wall of blank tank, for artificial
The impurity being deposited in blank tank 3 is cleared up manually.The lower section of blank tank connects blank pipe, passes through autocontrol valve KV3 and valve
Door 7, finally leads to pollution discharge pond, in discharge Chi Zhongyou plug-in type detection probe, for detecting the oil content after discharge in water.Together
When, pipeline is equipped at the top of blank tank and is communicated by autocontrol valve KV4 with storage tank 1, to reach the pressure with storage tank 1
Balance, in addition the other end of this pipeline is connected by autocontrol valve KV2 and valve 8 with nitrogen or inert gas, this
Connecting line is located at blank tank top center position and is preferred.Valve 7 and valve 8 can be automatically controled and can manually control
Valve is constantly in the state of unlatching during entire blank.It is additionally provided with safety valve at the top of blank tank 3, in pressure mistake
Guarantee safety for pressure release exhaust when big.Whole system is controlled by intelligent controller 5.Core is provided in intelligence control system 5
The digital carriers such as piece or SD card record in measuring cylinder 4 ultrasonic propagation velocity and temperature in dense media liquid with stored digital mode
The spread speed range of relation curve and ultrasonic wave in gas medium between degree.
To realize when the feedback data of the ultrasonic probe 4-5 in measuring cylinder 4 is identical as in intelligence control system 5
When temperature reference data difference, autocontrol valve KV1 and KV4 are closed, and stop charging, the t within the reaction time of valve
It is interior, in measuring cylinder 4 interface of two kinds of immiscible liquids be parallel to or higher than blank pipe feed inlet cross section, it is assumed that survey
The height of graduated cylinder 4 is H, and when automatic valve KV1 is opened, dense media decrease speed is v in measuring cylinder, then between H, v and t
Relationship is H >=vt, wherein t≤5s.
For convenience of oil return, 4 top of measuring cylinder and the top design of connection type and measuring cylinder at the top of feeding pipe are shown in figure
3, eight kinds of modes are respectively as follows:
The connection parallel with 4 top of measuring cylinder of feed pipe horizontal direction, 4 top of measuring cylinder are another from charging one end horizontal direction
End extends.Feed pipe horizontal direction, which is higher than at the top of measuring cylinder 4, to be connected, from charging one end horizontal direction other end at the top of measuring cylinder 4
Extend.
The parallel connection in 4 top of feed pipe horizontal direction and measuring cylinder, 4 top of measuring cylinder from feed one end from high to low to
The other end extends, and inclined angle alpha is 5-10 degree.
Feed pipe horizontal direction, which is higher than at the top of measuring cylinder 4, to be connected, and 4 top of measuring cylinder is from charging one end from high to low to another
One end extends, and inclined angle alpha is 5-10 degree.
Feed pipe inclination installation, 4 top of measuring cylinder extend from charging one end horizontal direction other end.
Feed pipe horizontal direction, which is higher than at the top of measuring cylinder 4, to be connected, the top of measuring cylinder 4 from charging one end from high to low to
The other end extends, and inclined angle alpha is 5-10 degree.
Feed pipe is tilted and is connected at the top of measuring cylinder 4, and 4 top of measuring cylinder extends from charging one end horizontal direction other end,
Inclined angle alpha is 5-10 degree.
Feed pipe inclination installation, higher than connecting at the top of measuring cylinder 4,4 top of measuring cylinder is another from charging one end horizontal direction
End extends, and inclined angle alpha is 5-10 degree.
It is same according to the process that above-mentioned blank method and apparatus, inventor are dehydrated using liquefied petroleum gas in light oil
Oil product is criticized, decrease speed V=300mm/s of water flow in measuring cylinder is set in, it is known that reaction time t=5s of solenoid valve 7, into
Row dehydration test ten times, as a result as shown in Fig. 4.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.
Claims (6)
1. it is a kind of using speed of sound differential from liquids having different specific weight medium intermittent discharge method, in the liquid containing it is inflammable easily
The liquid of volatilization, which is characterized in that steps are as follows:
(1) valve (2) are opened, dense media outflow in storage tank；
(2) be mounted on data that the ultrasonic probe in measuring cylinder (4-5) and temp probe (T1) are fed back at identical temperature
When reference data is identical, control system issues instruction, and inlet valve (KV1) and the valve (KV4) that pipeline is communicated with storage tank (1) are beaten
It opens；
(3) when the echo time that two ultrasonic probes (4-1,4-2) are fed back on blank tank is identical, control system issues instruction,
Inlet valve (KV1) and the valve (KV4) that pipeline is communicated with storage tank (1) are closed, and blank valve (KV3) and intake valve (KV2) are opened, into
Air pipe is connected with source nitrogen；
(4) propagation of the spread speed of ultrasonic probe (4-2) feedback on blank tank (3) in ultrasonic wave in gas medium
When velocity interval, control system issues instruction, and blank valve (KV3) and intake valve (KV2) are closed, inlet valve (KV1) and and storage tank
(1) valve (KV4) for communicating pipeline is opened, and second stage blank is carried out；
(5) after aforementioned four step being repeated n times, wherein n >=1, when the ultrasonic probe (4-5) on measuring cylinder (4)
For feedback data at identical temperature when reference data difference, control system issues instruction, inlet valve (KV1) and with storage tank (1) phase
The valve (KV4) on siphunculus road is closed, and in the valve responds time, the interface of two kinds of immiscible liquids drops in measuring cylinder (4)
Be parallel to or higher than blank pipe feed inlet cross section, blank valve (KV3) and intake valve (KV2) are opened；
(6) light substance entered in measuring cylinder (4) is back in storage tank, and primary complete blank process is completed.
2. the intermittent discharge method according to claim 1, it is characterised in that: the reference data is the presence of intelligence control
The relation data of spread speed and temperature of the ultrasonic wave obtained through overtesting in dense media in system processed.
3. the intermittent discharge method according to claim 1, it is characterised in that: the air inlet pipeline and inert gas source phase
It is logical.
4. it is a kind of using speed of sound differential from liquids having different specific weight medium intermittent discharge device, including valve (2), blank tank (3),
Perpendicular separation is mounted on two ultrasonic probes (4-1,4-2) on blank tank (3), the blank Guan Shangan below blank tank (3)
Equipped with valve (7), whole system is controlled by intelligence control system (5), it is characterised in that: in the valve connecting with storage tank (1)
(2) after, measuring cylinder (4) are connected with；Storage tank (1) is led in pipeline one end on blank tank (3), and the other end is air inlet pipeline,
It is connected with nitrogen, valve (8) is housed in air inlet pipe；And for convenience control between measuring cylinder (4) and blank tank (3),
Four autocontrol valves (KV1, KV2, KV3, KV4) are installed between air inlet pipe, blank pipe and blank tank (3) and storage tank (1)；
The digital carrier for Memory Reference data is equipped in the intelligence control system (5)；The length of measuring cylinder is H, and dense media exists
Decrease speed in measuring cylinder is v, and in the reaction time t of valve, the relationship between H, v and t is H >=vt, wherein t
≤ 5s ；Connect by the feed pipe of valve (2) with measuring cylinder (4), the top horizontal of measuring cylinder (4) or along charging one
End extends from high to low.
5. the intermittent discharge device according to claim 4, it is characterised in that: the feed pipe top is parallel or is higher than
Connection at the top of measuring cylinder (4).
6. the intermittent discharge device according to claim 4, it is characterised in that: the air inlet pipeline can also and inertia
Gas source is connected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410278031.3A CN105204378B (en) | 2014-06-20 | 2014-06-20 | Using speed of sound differential from liquids having different specific weight medium intermittent discharge method and device |
| PCT/CN2014/000616 WO2014206060A1 (en) | 2013-06-24 | 2014-06-24 | Method and device for identifying liquid mediums by ultrasonic waves and controlling emission thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410278031.3A CN105204378B (en) | 2014-06-20 | 2014-06-20 | Using speed of sound differential from liquids having different specific weight medium intermittent discharge method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105204378A CN105204378A (en) | 2015-12-30 |
| CN105204378B true CN105204378B (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410278031.3A Active CN105204378B (en) | 2013-06-24 | 2014-06-20 | Using speed of sound differential from liquids having different specific weight medium intermittent discharge method and device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113739069A (en) * | 2021-09-23 | 2021-12-03 | 凯泰（滁州）流体控制有限公司 | Method and device for realizing online leakage real-time monitoring of safety valve pipeline of liquefied hydrocarbon spherical tank water cut-off device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001086284A2 (en) * | 2000-05-10 | 2001-11-15 | Braesel Eckhard | Method and device for the monitoring of gases |
| CN100392392C (en) * | 2004-01-07 | 2008-06-04 | 高翔 | Ultrasonic detection type automatic storage tank dewatering method and apparatus |
| CN202369464U (en) * | 2011-12-01 | 2012-08-08 | 上海陆源环保科技发展有限公司 | Ultrasonic oil-water separating device |
| CN203561613U (en) * | 2013-06-24 | 2014-04-23 | 高翔 | Device for recognizing and emitting liquid media with different specific gravities by virtue of sound velocity difference |
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Effective date of registration: 20210326 Address after: 239000, No. 350, Nanjing North Road, Chuzhou City, Anhui Province Patentee after: KAITAI (CHUZHOU) FLUID CONTROL Co.,Ltd. Address before: 100101 unit 1201, block a, 170 Beiyuan Road, Chaoyang District, Beijing Patentee before: Gao Xiang |