CN208596095U - Product tank stratified density meter - Google Patents
Product tank stratified density meter Download PDFInfo
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- CN208596095U CN208596095U CN201821017957.7U CN201821017957U CN208596095U CN 208596095 U CN208596095 U CN 208596095U CN 201821017957 U CN201821017957 U CN 201821017957U CN 208596095 U CN208596095 U CN 208596095U
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- solenoid valve
- thief hatch
- liquid
- fluid column
- recycling
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Abstract
The utility model relates to Density Detection equipment technical fields, and in particular to product tank stratified density meter, comprising: upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch is arranged in finished pot, measurement fluid column and controller, finished pot side；It measures fluid column bottom surface and inlet tube is set, upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube pass through piping connection, and the first solenoid valve, second solenoid valve and third solenoid valve are respectively set on the pipeline between upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube；It measures liquid column bottom and pressure transmitter is set.Product tank stratified density meter provided by the utility model, open the first solenoid valve, second solenoid valve and third solenoid valve, it is flowed into liquid in finished pot successively in measurement fluid column, pressure transmitter detects the fluid pressure in measurement fluid column, detection upper, middle and lower-ranking fluid density judges whether liquid is layered, and avoids artificial sample from being sent to the operation cycle caused by laboratory too long.
Description
Technical field
The utility model relates to Density Detection equipment technical fields, and in particular to product tank stratified density meter.
Background technique
Be blending in the last production link of oil plant petrol and diesel oil, i.e., by several intermediate species gasoline, as S_ZORB gasoline,
Reformed Gasoline, MTBE raffinate oil.Using certain proportion on-line blending pipeline mixer simultaneously or each component gasoline is quantitative
Finished pot is added portionwise, generally there are the facilities such as nozzle that each component is promoted to be uniformly mixed when entering finished pot, but still not
It can ensure that finished pot density is " not to be layered ", therefore, after blending need to recycle reconciliation pneumatic diaphragm after standing 2 hours
Pump extracts oil product in tank out, then returns finished pot 2-3 hours by nozzle, it is ensured that even density.
So-called density stratification is exactly to sample respectively at 3 points of finished pot upper, middle and lower, carry out laboratory analyze 3 points it is different close
Angle value, national regulations any two points density difference are less than or equal to 2.4g/m3Even density can be met, oil plant storage and transportation portion is general
It is required that tank turnover rate is high, it can just sample within prescribed requirement standing 2 hours or more before assay samples, experiment is sent to after artificial sample
Room analysis causes the long defect of analytical cycle.
Utility model content
The technical problem to be solved by the present invention is to overcome because artificial sample analysis link causes in the prior art
Concoct the defect of period length.
For this purpose, the technical solution used, product tank stratified density meter, comprising: finished pot, measurement fluid column and controller,
Upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch is respectively set in the upper, middle and lower position of finished pot side；Measure fluid column bottom
Inlet tube is arranged in face, and upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube pass through piping connection, upper layer sampling
Mouthful, be respectively set on the pipeline between middle layer thief hatch and lower layer's thief hatch and inlet tube the first solenoid valve, second solenoid valve and
Third solenoid valve, the first solenoid valve, second solenoid valve and third solenoid valve are electrically connected with the controller；Measure liquid column bottom setting
Pressure transmitter, pressure transmitter are electrically connected with the controller.
In order to enable liquid in finished pot smoothly to flow into measurement fluid column, preferred technical solution is to measure fluid column
Top is connect at the top of finished pot by breather valve.
In order to obtain more accurate 20 DEG C of fluid density values by scene temperature measurement result and compensation calculation table, preferably
Technical solution be temperature sensor to be set inside measurement fluid column, temperature sensor is electrically connected with the controller.
When having detected fluid density, when needing fluid density detection next time, in order to which the discharge of the raffinate in fluid column will be measured,
Preferred technical solution is that product tank stratified density meter further includes recycling can, is passed through at the top of recycling can with measurement liquid column bottom
Piping connection, measurement liquid column bottom setting setting pipeline are connected with recycling can, set on the pipeline between recycling can and measurement fluid column
The 4th solenoid valve is set, the 4th solenoid valve is electrically connected with the controller.
After liquid is filled in recycling can, in order to lead back to liquid in recycling can in finished pot, preferred technical solution is,
Pot bottom configuration pneumatic diaphragm pump and finished pot are recycled by piping connection, recycles and is set on the pipeline between pot bottom and finished pot
Pneumatic operated valve is set, pneumatic valve inlet is instrument wind line, and the first liquid-level switch, pneumatic operated valve, pneumatic diaphragm is arranged in recycling can inner tip
Pump and the first liquid-level switch are electrically connected with the controller respectively.
In order to which liquid is able to maintain the same height, preferred technology in each measurement in measurement fluid column when guaranteeing detection
Scheme is that product tank stratified density meter further includes auxiliary fuel tank, and the second liquid-level switch and controller is arranged in auxiliary fuel tank inner upper end
Overflow port is arranged in electrical connection, measurement fluid column top, and auxiliary fuel tank and overflow port pass through piping connection；Auxiliary fuel tank bottom and recycling can are logical
Cross piping connection.
Auxiliary fuel tank and liquid in measurement fluid column are excessively high in order to prevent, and preferred technical solution is auxiliary fuel tank bottom and recycling
5th solenoid valve is set on the pipeline between tank, and the 5th solenoid valve is electrically connected with the controller.
In order to reduce finished pot at the middle and upper levels, middle layer, lower liquid residual make into inlet tube to measure liquid discharge in fluid column
Now the occurrence of the mixing liquid of part, preferred technical solution is that flow sensor is arranged on inlet tube.
Technical solutions of the utility model have the advantages that
Product tank stratified density meter provided by the utility model, by controller control successively control the first solenoid valve,
Second solenoid valve and third solenoid valve are opened, and are flowed into liquid in finished pot successively in measurement fluid column, pressure transmitter detection
To the fluid pressure in measurement fluid column, the pressure information that pressure transmitter will test passes to controller, then passes through Paasche
It is locking to manage the density for calculating this layer of liquid, it detects upper, middle and lower-ranking fluid density successively to judge whether liquid is layered, keeps away
Manpower-free's sampling is sent to that the operation cycle caused by laboratory testing is too long, and the technological operation that tank recycles can be reduced under certain probability
Link.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is the structural schematic diagram of the utility model embodiment 3；
Fig. 4 is the structural schematic diagram of the utility model embodiment 4；
Fig. 5 is the structural schematic diagram of the utility model embodiment 5；
Wherein, 10- finished pot；The first solenoid valve of 11-；12- second solenoid valve；13- third solenoid valve；20- measures fluid column；
21- inlet tube；22- pressure transmitter；23- breather valve；24- temperature sensor；25- flow sensor；30- controller；40- is returned
Closed cans；The 4th solenoid valve of 41-；42- pneumatic operated valve；43- pneumatic diaphragm pump；The first liquid-level switch of 44-；50- auxiliary fuel tank；51- overflow
Mouthful；The 5th solenoid valve of 52-；The second liquid-level switch of 53-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
Embodiment 1
As shown in Figure 1, product tank stratified density meter, comprising: finished pot 10, measurement fluid column 20 and controller 30, finished product
Upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch is respectively set in the upper, middle and lower position of 10 side of tank；Measuring fluid column 20 is
Inlet tube 21 is arranged in tubulose, measurement 20 bottom surface of fluid column, and upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube 21 are equal
By piping connection, it is respectively set on the pipeline between upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube 21
First solenoid valve 11, second solenoid valve 12 and third solenoid valve 13, the first solenoid valve 11, second solenoid valve 12 and third solenoid valve
13 are electrically connected with controller 30；It measures 20 bottom of fluid column and pressure transmitter 22,30 electricity of pressure transmitter 22 and controller is set
Connection.
The working principle of the utility model are as follows:
Product tank stratified density meter provided by the utility model successively controls the first solenoid valve by the control of controller 30
11, second solenoid valve 12 and third solenoid valve 13 are opened, and are flowed into liquid in finished pot 10 successively in measurement fluid column 20, measurement
Fluid column 20 measures liquid height h, and pressure transmitter 22 detects that the fluid pressure P in measurement fluid column 20, pressure transmitter 22 will
The pressure information detected passes to controller 30, every to have detected one layer of liquid pressure in measurement fluid column 20, discharge measurement liquid
Liquid in column 20 injects other one layer of liquid to measurement fluid column 20, continues to measure pressure of this layer of liquid in measurement fluid column 20
Power, the density of this layer of liquid, ρ=P/hg are then calculated by Pascal's theorem, which belongs to existing theorem, according to
Whether secondary detection upper, middle and lower-ranking fluid density is identical to judge fluid density, to whether judge upper, middle and lower-ranking liquid
Layering, avoids artificial sample from being sent to the trouble of laboratory testing, reduces the operation cycle.
Embodiment 2
As shown in Fig. 2, in order to enable liquid in finished pot 10 smoothly to flow into measurement fluid column 20, preferred technical side
Case is that 20 top of measurement fluid column is connect at the top of finished pot 10 by breather valve 23.When liquid is flowed into measurement in finished pot 10
In fluid column 20, lead to since there are air in measurement fluid column 20 so that pressure is different from pressure in finished pot 10 in measurement fluid column 20
Crossing breather valve 23 keeps finished pot 10 identical as pressure in measurement fluid column 20, so that liquid in finished pot 10 be enable to smoothly flow therein
It measures in fluid column 20.
In order to obtain more accurate fluid density value, preferred skill by scene temperature measurement result and compensation calculation table
Art scheme is to measure and temperature sensor 24 is arranged inside fluid column 20, and temperature sensor 24 is electrically connected with controller 30.Current liquid
The fluid density in measurement fluid column 20 is detected under state of temperature, is calculated by controller 30 according to temperature-density compensation table
20 DEG C of density, calculated result are more accurate.
Embodiment 3
As shown in figure 3, when having detected fluid density, when needing fluid density detection next time, in order to which fluid column 20 will be measured
In raffinate discharge, preferred technical solution is that product tank stratified density meter further includes recycling can 40, the top of recycling can 40
With measurement 20 bottom of fluid column by piping connection, recycling can 40,40 top of recycling can is connected with measurement 20 bottom of fluid column by pipeline
It connects, measurement 20 bottom of fluid column setting setting pipeline is connected with recycling can 40, on the pipeline between recycling can 40 and measurement fluid column 20
4th solenoid valve 41 is set, and the 4th solenoid valve 41 is electrically connected with controller 30.After having detected fluid density in current measurement liquid,
The 4th solenoid valve 41 is controlled by controller 30 to open, and is made to measure liquid in fluid column 20 and is flowed into recycling can 40.
After liquid is filled in recycling can 40, in order to which liquid in recycling can 40 is led back in finished pot 10, preferred technology
Scheme is that 40 bottom of recycling can configures pneumatic diaphragm pump 43 and finished pot 10 passes through piping connection, 40 bottom of recycling can and finished product
Pneumatic operated valve 42 is set on the pipeline between tank 10, and 42 entrance of pneumatic operated valve is instrument wind line, 40 inner tip of recycling can setting first
Liquid-level switch 44, pneumatic operated valve 42, pneumatic diaphragm pump 43 and the first liquid-level switch 44 are electrically connected with controller 30 respectively.Work as recycling can
Liquid is filled in 40, driving force of the pneumatic operated valve 42 as pneumatic diaphragm pump 43, and controller is reported according to the height of the first liquid-level switch 44
Alert signal, opens pneumatic operated valve 42, makes instrument wind driving pneumatic diaphragm pump 43 that trapped fuel is flow back to finished pot 10, when the first liquid-level switch
44 be low alarm signal, and controller closes pneumatic operated valve 42, stops instrument wind driving pneumatic diaphragm pump 43 and operates, keeps pneumatic diaphragm
Retain gasoline in pump 43, it is ensured that pneumatic diaphragm pump can work normally for 43 next time.Oil Tank can guarantee using pneumatic diaphragm pump 43
Anti-explosion safety use, avoid using the possible explosion danger of electrodynamic pump.
Embodiment 4
As shown in figure 4, in order to which liquid is able to maintain the same height in each measurement in measurement fluid column 20 when guaranteeing detection
Degree, preferred technical solution is that product tank stratified density meter further includes auxiliary fuel tank 50,50 inner upper end of auxiliary fuel tank setting the
Two liquid-level switches 53 are electrically connected with controller 30, measure and overflow port 51 is arranged at the top of fluid column 20, and auxiliary fuel tank 50 and overflow port 51 are logical
Cross piping connection；50 bottom of auxiliary fuel tank and recycling can 40 pass through piping connection.When the second liquid-level switch 53 of auxiliary fuel tank 50 issues
The alarm of liquid level height, controller 30 will close the first, second, and third solenoid valve, and the gasoline of sampled measurements will not enter back into measurement liquid
Column 20, after waiting for a period of time, overflow port 51 will no longer flow out, and the height of measurement fluid column 20 is consistent, pressure transmitter 22
Send the pressure signal of measurement to controller 30, according to Pascal's theorem, ρ=P/hg, controller 30 calculates, in or under
The density of layer oil product, and convert 20 degree of density.
Auxiliary fuel tank 50 facilitates with liquid discharge in measurement fluid column 20 and is detected next time after in order to make measurement, preferably
Technical solution be, on the pipeline between 50 bottom of auxiliary fuel tank and recycling can 40 be arranged the 5th solenoid valve 52, the 5th solenoid valve 52
It is electrically connected with controller 30.The 6th solenoid valve is opened after being measured, and auxiliary fuel tank oil product is discharged to recycling can, the second liquid-level switch
High ann reset is normal.Controller opens the 4th solenoid valve simultaneously, and the oil product measured in fluid column is discharged to back according to gravity
In closed cans.
Controller 30 opens 1 in the first, second, third solenoid valve in turn, and closes other 2, then executes
The measurement of Duan Suoshu and valve events obtain three layers of density value respectively.
Embodiment 5
As shown in figure 5, in order to reduce finished pot 10 at the middle and upper levels, middle layer, lower liquid residual into inlet tube 21 make to survey
There is the occurrence of part mixing liquid in liquid in amount fluid column 20, and preferred technical solution is that flow is arranged on inlet tube 21
Sensor 24.In current measurement fluid column 20 after the Density Detection of liquid, need the liquid of other layers importeding into measurement liquid
In in, and in inlet tube 21 can one layer of liquid on residual fraction, this layer of liquid is mixed with upper one layer of liquid will affect liquid and surveys
The precision of amount, the liquid capacity in the inlet tube 21 that passes budgets, controller 30 control the first solenoid valve 11, second solenoid valve 12 or
Third solenoid valve 13 is opened, and flow sensor 24 calculates trickle capacity, when flow sensor 24 calculates the liquid flow of outflow
After amount is greater than the liquid capacity in the inlet tube 21 of budget, corresponding first solenoid valve 11, second solenoid valve 12 or third are closed
Solenoid valve 13 opens the 4th solenoid valve 41, makes the mixing liquid discharge for measuring different layers in fluid column 20, when in measurement fluid column 20
Mixing liquid discharge, then corresponding first solenoid valve 11, second solenoid valve 12 or third electromagnetism are opened by the control of controller 30
The liquid of this layer imported into measurement fluid column 20, measures calculating to this layer of fluid density, improve fluid density by valve 13
The precision of measurement.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (8)
1. product tank stratified density meter characterized by comprising finished pot (10), measurement fluid column (20) and controller (30),
Upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch is respectively set in the upper, middle and lower position of finished pot (10) side；Measure liquid
Inlet tube (21) are arranged in column (20) bottom surface, and upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube (21) pass through
Piping connection is respectively set on the pipeline between upper layer thief hatch, middle layer thief hatch and lower layer's thief hatch and inlet tube (21)
One solenoid valve (11), second solenoid valve (12) and third solenoid valve (13), the first solenoid valve (11), second solenoid valve (12) and
Three solenoid valves (13) are electrically connected with controller (30)；Measure fluid column (20) bottom setting pressure transmitter (22), pressure inverting
Device (22) is electrically connected with controller (30).
2. product tank stratified density meter according to claim 1, which is characterized in that measurement fluid column (20) top and finished product
It is connected at the top of tank (10) by breather valve (23).
3. product tank stratified density meter according to claim 1, which is characterized in that setting temperature inside measurement fluid column (20)
It spends sensor (24), temperature sensor (24) is electrically connected with controller (30).
4. product tank stratified density meter according to claim 1, which is characterized in that product tank stratified density meter also wraps
It includes, recycling can (40), with measurement fluid column (20) bottom by piping connection at the top of recycling can (40), measurement fluid column (20) bottom is set
It installs pipeline to be connected with recycling can (40), the 4th solenoid valve is set on the pipeline between recycling can (40) and measurement fluid column (20)
(41), the 4th solenoid valve (41) is electrically connected with controller (30).
5. product tank stratified density meter according to claim 4, which is characterized in that the configuration of recycling can (40) bottom is pneumatic
Diaphragm pump (43) and finished pot (10) are arranged on the pipeline between recycling can (40) bottom and finished pot (10) by piping connection
Pneumatic operated valve (42), pneumatic operated valve (42) entrance are instrument wind line, and the first liquid-level switch (44) are arranged in recycling can (40) inner tip, gas
Dynamic valve (42), pneumatic diaphragm pump (43) and the first liquid-level switch (44) are electrically connected with controller (30) respectively.
6. product tank stratified density meter according to claim 5, which is characterized in that product tank stratified density meter also wraps
It includes, auxiliary fuel tank (50), auxiliary fuel tank (50) inner upper end setting the second liquid-level switch (53) is electrically connected with controller (30), measures liquid
Overflow port (51) are set at the top of column (20), auxiliary fuel tank (50) and overflow port (51) pass through piping connection；Auxiliary fuel tank (50) bottom with
Recycling can (40) passes through piping connection.
7. product tank stratified density meter according to claim 6, which is characterized in that auxiliary fuel tank (50) bottom and recycling can
(40) the 5th solenoid valve (52) is set on the pipeline between, and the 5th solenoid valve (52) is electrically connected with controller (30).
8. product tank stratified density meter according to claim 1, which is characterized in that flow is arranged on inlet tube (21) and passes
Sensor (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017957.7U CN208596095U (en) | 2018-06-28 | 2018-06-28 | Product tank stratified density meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821017957.7U CN208596095U (en) | 2018-06-28 | 2018-06-28 | Product tank stratified density meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596095U true CN208596095U (en) | 2019-03-12 |
Family
ID=65602006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821017957.7U Expired - Fee Related CN208596095U (en) | 2018-06-28 | 2018-06-28 | Product tank stratified density meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596095U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793939A (en) * | 2020-12-28 | 2021-05-14 | 北京航程迈进科技发展有限公司 | Finished oil tank circulating device based on density detection |
| CN113082775A (en) * | 2021-03-31 | 2021-07-09 | 张田田 | Chemical solution separating tank |
-
2018
- 2018-06-28 CN CN201821017957.7U patent/CN208596095U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793939A (en) * | 2020-12-28 | 2021-05-14 | 北京航程迈进科技发展有限公司 | Finished oil tank circulating device based on density detection |
| CN112793939B (en) * | 2020-12-28 | 2022-06-17 | 北京航程迈进科技发展有限公司 | Finished oil tank circulating device based on density detection |
| CN113082775A (en) * | 2021-03-31 | 2021-07-09 | 张田田 | Chemical solution separating tank |
| CN113082775B (en) * | 2021-03-31 | 2022-07-29 | 山东龙华生物股份有限公司 | Chemical solution separating tank |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 Termination date: 20200628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |