CN205786878U - Liquid charge density measuring equipment in a kind of storage tank - Google Patents
Liquid charge density measuring equipment in a kind of storage tank Download PDFInfo
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- CN205786878U CN205786878U CN201620501742.7U CN201620501742U CN205786878U CN 205786878 U CN205786878 U CN 205786878U CN 201620501742 U CN201620501742 U CN 201620501742U CN 205786878 U CN205786878 U CN 205786878U
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- liquid
- storage tank
- storage container
- charge density
- radome
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Abstract
The utility model discloses liquid charge density measuring equipment in a kind of storage tank, including: the radome of ground connection；The insulated oil pump being arranged in described radome and liquid storage container, described oil pump extracts and inputs the liquid of ad-hoc location in storage tank out liquid storage container by electric conductivity pipeline as power set, and described liquid storage container connects storage tank also by electric conductivity return line；Na table, described na table is connected between liquid storage container and the earth terminal of radome by wire, for measuring the electrostatic induced current between liquid storage container and radome.This utility model utilizes oil pump to be retracted in liquid storage container by the liquid of ad-hoc location in storage tank, the reading of the na table by being connected between liquid storage container with radome calculates this position liquid charge density value in storage tank, measure diverse location liquid, the charge density value of different time in storage tank, simple in construction, easy to operate, low cost, be mainly used in the measurement of liquid charge density in storage tank.
Description
Technical field
This utility model relates to a kind of measurement apparatus, and in being specifically related to a kind of storage tank, liquid charge density is surveyed
Amount device.
Background technology
The charge density of infusion fluid is all used at present when applying fluid space charge density in storage tank,
And liquid charge even density is distributed in assuming storage tank, but infusion fluid and tank skin, tank in actual process
The end, rubs, and the diffusion of electric charge, loss etc. so that in storage tank, liquid charge density is not equal to input
Liquid charge density, and can in time, space changes.Faraday cup is that measurement liquid charge is close
The method that degree is conventional, but Faraday cup can only the charge density of measuring cylinder internal liquid.Flask volume
Relatively big, internal liquid charge density distribution is uneven, needs pot liquid is sampled test, with
Time the sampler the to be got rid of impact on liquid charge density measure, Faraday cup can not meet this requirement.
Utility model content
Technical purpose of the present utility model is to provide liquid charge density measuring equipment in a kind of storage tank.
This utility model realizes the technical scheme that above-mentioned technical purpose used:
Liquid charge density measuring equipment in a kind of storage tank, including:
The radome of ground connection, the radome of ground connection makes the device of inside exempt to be affected by the external environment with equipment；
The insulated oil pump being arranged in described radome and liquid storage container, described oil pump fills as power
Putting and the liquid conductivity pipeline of ad-hoc location in storage tank is extracted and inputted out liquid storage container, described liquid storage holds
Device connects storage tank also by electric conductivity return line, when the solution in liquid storage container reaches scheduled volume,
I.e. it is back in storage tank by electric conductivity return line；
Na table, described na table is connected between liquid storage container and the earth terminal of radome by wire,
For measuring the electrostatic induced current between liquid storage container and radome, by the calculating of this current value is processed
Draw electrostatic charge density value.
Further, it is provided with between described oil pump and radome, between liquid storage container and radome absolutely
Edge support, makes to keep between liquid storage container, oil pump and radome insulation.
Further, the input of described oil pump, outfan and described return line all use outsourcing
Insulant metal hose connection storage tank and liquid storage container.
Further, described liquid storage container outer wall is provided with the ground terminal for connecting wire one end,
The outer wall of described radome is provided with the ground terminal for connecting the wire other end and earth lead, is used for
Electrostatic on release device.
Further, described liquid storage container outer wall is from top to bottom disposed with for connecting back to oil pipe line
Solvent limit output channel interface, for connecting the liquid input tube pipeline joint of described oil pump outfan.
Further, the bottom of described liquid storage container is provided with the liquid output pipe road of connected drainage valve and connects
Mouthful, described tapping valve remains off in test process, opens tapping valve and discharge after having tested
Liquid in liquid storage container.
Further, between described outsourcing insulant metal hose, oil pump and outsourcing insulant gold
Belong between flexible pipe, is connected between liquid storage container and outsourcing insulant metal hose be metal connection or
It is provided with electrostatic bridging.
Compared to existing technology, this utility model provides liquid charge density measuring equipment in a kind of storage tank,
This measurement apparatus simple in construction, easy to operate, it is possible to during measuring storage tank oiling easily, oiling
Diverse location liquid charge density value in storage tank after end.
Accompanying drawing explanation
Fig. 1 be this utility model embodiment storage tank in liquid charge density measuring equipment overall structure show
It is intended to.
Fig. 2 is the liquid storage container part-structure schematic diagram of this utility model embodiment.
Shown in figure be: 1 radome, 2 liquid storage containers, 3 outsourcing insulant metal hoses,
4 ground terminals, 5 earth leads, 6 oil pumps, 7 insulating supports, 8 na tables, 9 discharge opeings
Valve, 10 storage tanks, 11 liquid input tube pipeline joints, 12 solvents limit output channel interfaces, 13
Liquid output pipe pipeline joint, 14 wires.
Detailed description of the invention
Below by specific embodiment, the purpose of this utility model is described in further detail, implements
Example can not repeat one by one at this, but the most therefore embodiment of the present utility model is defined in following enforcement
Example.
As depicted in figs. 1 and 2, liquid charge density measuring equipment in a kind of storage tank, including:
The radome 1 of ground connection, the radome of ground connection makes the device of inside with equipment from external environment shadow
Ring；
The insulated oil pump 6 being arranged in described radome 1 and liquid storage container 2, described liquid storage container 2
Outer wall be from top to bottom disposed with solvent for connecting back to oil pipe line limit output channel interface 12,
For connecting the liquid input tube pipeline joint 11 of described oil pump 6 outfan；Described oil pump 6 is as power
The liquid conductivity pipeline of ad-hoc location in storage tank 10 is extracted and inputted to device out liquid storage container 2, described
Oil pump 6 input connects the metal hose 3 of outsourcing insulant, the metal hose of this outsourcing insulant
3 other ends are deep into below the liquid level of storage tank 10, and outfan connects the metal of another outsourcing insulant
Flexible pipe 3, the metal hose 3 of this bag insulant is with liquid storage container 2 liquid input tube pipeline joint 11 even
Connecing, the solvent of described liquid storage container 2 limits output channel interface 12 also by another root bag insulant
Metal hose 3 connect storage tank 10, when the solution in liquid storage container reaches scheduled volume, i.e. by should
The metal hose 3 of bag insulant is back in storage tank 10；
Na table 8, described na table 8 by wire 14 be connected to liquid storage container 2 and radome 1 it
Between, for measuring the electrostatic induced current between liquid storage container 2 and radome 1, by this current value
Calculating processes and draws electrostatic charge density value.
Specifically, between described oil pump 6 and radome 1, between liquid storage container 2 and radome 1
It is provided with insulating support 7, makes to keep between liquid storage container, oil pump and radome insulation.
Specifically, described liquid storage container 2 outer wall is provided with the earth terminal for connecting wire 14 one end
Son 4, the outer wall of described radome 1 is provided with for connecting connecing of wire 14 other end and earth lead 5
Ground terminal 4, for discharging the electrostatic on device.
Specifically, the bottom of described liquid storage container 2 is provided with the liquid output pipe of connected drainage valve 9
Pipeline joint 13, described tapping valve 9 remains off in test process, the row of opening after having tested
Liquid in liquid storage container discharged by liquid valve 9.
Specifically, between described outsourcing insulant metal hose 3, oil pump 6 and outsourcing are insulated material
Between material metal hose, it is connected between liquid storage container 2 and outsourcing insulant metal hose 3 and is gold
Belong to and connect or be provided with electrostatic bridging.
In the storage tank of the present embodiment, the operation principle of liquid charge density measuring equipment is: be provided with ground connection
During storage tank 10 oiling of terminal 4 and earth lead 5 or after oiling terminates, oil pump 6 is by being deep into
Outsourcing insulant metal hose 3 in storage tank 10 is by the electrically charged liquid of ad-hoc location in storage tank 10
Extract out and be transported in liquid storage container 2；Meanwhile, in storage tank 10, liquid is defeated by pipeline, oil pump 6
Entering during liquid storage container 2, the friction between liquid and tube wall, pump wall makes in liquid, pipe
Producing electrostatic charge equal in magnitude, that symbol is contrary on wall and oil pump wall, final three Partial charges are (logical
Cross that the liquid of flexible pipe input enters the electric charge that carries before pipeline, liquid flows product in pipeline and oil pump 6
Raw electric charge part in liquid, liquid flow the electric charge of generation at tube wall pipeline and oil pump 6 in
With the part on oil pump wall) by connecting the earth lead 5 importing the earth having na table 8；Due to rear two
Partial charge is equal in magnitude, in opposite direction, so calculated by the reading of na table 8 display
Charge density value is liquid charge density at oil pump input channel terminal position.
Liquid charge density measuring method in concrete storage tank, comprises the following steps:
Step one: according to volume, outsourcing insulant metal hose 3 diameter and the oil pump of storage tank 10
The metered flow of 6 determines liquid storage container 2, the volume of radome 1；
Step 2: after storage tank 10 fills in liquid process or fills end, inputs connection oil pump 6
The outsourcing insulant metal hose 3 of end is deep into ad-hoc location in storage tank 10, starts oil pump 6, takes out
Taking this position liquid in liquid storage container 2, in the process, na table 8 can produce reading；
Step 3: by processing the reading that na table 8 records, calculate the liquid charge that locates
Density value, its computing formula is:
I in formulatFor na table 8 reading, unit A；T is that oil pump 6 runs time, unit s；V is
Liquid volume in liquid storage container 2, unit m3。ItFor steady state value, the liquid charge density that locates is described
For definite value；ItT change in time, the liquid charge density that illustrates to locate changes in time.
During measurement, reduce outsourcing insulant metal hose 3 diameter and can improve measuring accuracy.
Storage tank 10 fills in liquid process, and input outsourcing insulant metal hose 3 end is positioned at storage tank
Same position and oil pump 6 continuous firing in 10, in can testing storage tank 10, ad-hoc location liquid charge is close
Degree changes over value.
During measurement, change input outsourcing insulant metal hose 3 end position in storage tank 10,
Diverse location liquid charge density value in storage tank 10 can be tested.
Above-described embodiment of the present utility model is only by clearly demonstrating the act that this utility model is made
Example, and it is not the restriction to embodiment of the present utility model.Ordinary skill for art
For personnel, can also make other changes in different forms on the basis of the above description.
Here without also cannot all of embodiment be given exhaustive.All in spirit of the present utility model with former
Any amendment, equivalent and the improvement etc. made within then, should be included in this utility model right
Within the protection domain required.
Claims (7)
1. a liquid charge density measuring equipment in storage tank, is characterized in that, including:
The radome (1) of ground connection；
The insulated oil pump (6) being arranged in described radome (1) and liquid storage container (2), described oil pump (6)
As power set the liquid of storage tank (10) interior ad-hoc location extracted out by electric conductivity pipeline and input storage
Liquid container (2), described liquid storage container (2) is also by electric conductivity return line connection storage tank (10)；
Na table (8), described na table (8) is connected to liquid storage container (2) and radome (1) by wire (14)
Earth terminal between, for measuring the electrostatic induced current between liquid storage container and radome.
Liquid charge density measuring equipment in storage tank the most according to claim 1, is characterized in that: institute
Between oil pump (6) and the radome (1) stated, between liquid storage container (2) and radome (1), it is provided with insulating support
(7)。
Liquid charge density measuring equipment in storage tank the most according to claim 1, is characterized in that: institute
Stating the input of oil pump (6), outfan and described return line all uses outsourcing insulant metal soft
Pipe (3) connection storage tank (10) and liquid storage container (2).
Liquid charge density measuring equipment in storage tank the most according to claim 1, is characterized in that: institute
State liquid storage container (2) outer wall and be provided with the ground terminal (4) for connecting wire (14) one end, described shielding
The outer wall of cover (1) is provided with the ground terminal (4) for connecting wire (14) other end and earth lead (5).
Liquid charge density measuring equipment in storage tank the most according to claim 1, is characterized in that: institute
State liquid storage container (2) outer wall and be from top to bottom disposed with the volume restriction output for connecting back to oil pipe line
Pipe joint (12), it is used for connecting the liquid input tube pipeline joint (11) of described oil pump (6) outfan.
Liquid charge density measuring equipment in storage tank the most according to claim 1, is characterized in that: institute
The bottom stating liquid storage container (2) is provided with the liquid output pipe pipeline joint (13) of connected drainage valve (9).
Liquid charge density measuring equipment in storage tank the most according to claim 3, is characterized in that:
Between described outsourcing insulant metal hose (3), oil pump (6) and outsourcing insulant metal hose
(3) be connected between, between liquid storage container (2) and outsourcing insulant metal hose (3) be metal connect or
It is provided with electrostatic bridging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501742.7U CN205786878U (en) | 2016-05-26 | 2016-05-26 | Liquid charge density measuring equipment in a kind of storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620501742.7U CN205786878U (en) | 2016-05-26 | 2016-05-26 | Liquid charge density measuring equipment in a kind of storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786878U true CN205786878U (en) | 2016-12-07 |
Family
ID=59979493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620501742.7U Active CN205786878U (en) | 2016-05-26 | 2016-05-26 | Liquid charge density measuring equipment in a kind of storage tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN205786878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891614A (en) * | 2016-05-26 | 2016-08-24 | 华南理工大学 | Charge density measuring device of liquid in storage tank |
| CN109932575A (en) * | 2019-03-22 | 2019-06-25 | 广州特种机电设备检测研究院 | A kind of measuring device and method of liquid electrostatic lotus density |
-
2016
- 2016-05-26 CN CN201620501742.7U patent/CN205786878U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891614A (en) * | 2016-05-26 | 2016-08-24 | 华南理工大学 | Charge density measuring device of liquid in storage tank |
| CN105891614B (en) * | 2016-05-26 | 2019-03-05 | 华南理工大学 | Liquid charge density measuring equipment in a kind of storage tank |
| CN109932575A (en) * | 2019-03-22 | 2019-06-25 | 广州特种机电设备检测研究院 | A kind of measuring device and method of liquid electrostatic lotus density |
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