CN208254590U - A kind of measuring system for stirring liquid level for ship water tank - Google Patents
A kind of measuring system for stirring liquid level for ship water tank Download PDFInfo
- Publication number
- CN208254590U CN208254590U CN201820908958.4U CN201820908958U CN208254590U CN 208254590 U CN208254590 U CN 208254590U CN 201820908958 U CN201820908958 U CN 201820908958U CN 208254590 U CN208254590 U CN 208254590U
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- Prior art keywords
- water tank
- guiding pipe
- valve
- pressure
- liquid level
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Abstract
The utility model discloses a kind of measuring systems that liquid level is stirred for ship water tank, including negative pressure chamber's pressure guiding pipe, plemum pressure guiding pipe, the vertical pressure guiding pipe of negative pressure chamber and control module, negative pressure chamber's pressure guiding pipe, and the liquid level top of water tank is arranged in；The bottom of water tank is arranged in plemum pressure guiding pipe；The both ends of the vertical pressure guiding pipe of negative pressure chamber are connect with the bottom interface of differential pressure transmitter and tee pipe fitting respectively, and bottom is equipped with suction side bleeder valve；Control module is separately connected and controls respectively and open or close with suction side isolating valve, water filling shut-off valve, differential pressure transmitter, positive pressure side bleeder valve and suction side bleeder valve, and according to the differential pressure electric signal of differential pressure transmitter, obtains water tank liquid level.The utility model, solve the problems, such as that negative pressure chamber's pressure guiding pipe of Traditional differential pressure measurement method causes level gauging inaccurate since liquid is splashed into, good economy performance is easy to engineering manufacture installation, metering and maintenance, it can be not only used for open water tank level gauging, it can also be used to pressure-resistant sealing water tank level gauging.
Description
Technical field
The utility model relates to technical field of liquid level measurement peculiar to vessel, and in particular to a kind of to stir liquid level for ship water tank
Measuring system.
Background technique
There are many liquid tanks for ship, have ballast tank, trim tank etc., liquid tank water quantity monitoring and water control directly influence
The stability and navigation safety of ship, and ship water tank level gauging is the core skill for realizing marine hydraulic hold water quantity monitoring and control
Art.Mainly there are liquid-level switch liquid level warning, blowing type liquid level peculiar to vessel measurement, float applied to the technology of ship level gauging at present
Formula level gauging and differential pressure type level measurement, the above technology is suitable for the more tranquil liquid level gauging of water tank, for liquid fluctuating
Biggish measurement accuracy it is difficult to ensure that.
For which in the big dynamic liquid level of measurement liquid fluctuating, suction side impulse length of tube is longer, is easy to produce ponding,
During especially water tank carries out water filling or drain operation, liquid fluctuating is big, often has powder-refining with water to splash into suction side pressure guiding pipe, leads
It causes to carry out water filling in water tank or drain operation dynamic process can not correct measurement water tank liquid level.
In view of this, being badly in need of improving the system of existing water tank level gauging, to improve accuracy of measurement.
Utility model content
Technical problem to be solved in the utility model is that there are accuracies of measurement for the system of existing water tank level gauging
Low problem.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is to provide a kind of for ship water tank
The measuring system for stirring liquid level includes:
Negative pressure chamber's pressure guiding pipe, is arranged in the liquid level top of water tank, the other end tilt upwards and successively with suction side isolating valve,
Tee pipe fitting connection, the tee pipe fitting is concordant with the height of negative pressure chamber's impulse mouth, and the other side connects water inlet pipe, the water inlet
Pipe is equipped with water filling shut-off valve；
The bottom of water tank is arranged in plemum pressure guiding pipe, and the other end is connect with differential pressure transmitter, the plemum pressure guiding pipe
It is equipped with positive pressure side bleeder valve；
The vertical pressure guiding pipe of negative pressure chamber, both ends connect with the interface of the bottom of the differential pressure transmitter and the tee pipe fitting respectively
It connects, bottom is equipped with suction side bleeder valve；
Control module is let out with suction side isolating valve, water filling shut-off valve, differential pressure transmitter, positive pressure side bleeder valve and suction side
It puts valve and is separately connected and controls respectively and open or close, and according to the differential pressure electric signal of the differential pressure transmitter, obtain water tank liquid
Position height.
In another preferred embodiment, the tee pipe fitting is equipped with upper and lower two passes, the channel of upside
One end connect negative pressure chamber's pressure guiding pipe, the other end connects the water tank, one end connection in the channel of downside it is described into
Water pipe, the other end connect the vertical pressure guiding pipe of negative pressure chamber.
In another preferred embodiment, the length of negative pressure chamber's pressure guiding pipe is in 2m or less.
In another preferred embodiment, the tilt angle of negative pressure chamber's pressure guiding pipe is 2~5 °.
In another preferred embodiment, the suction side isolating valve, water filling shut-off valve, suction side bleeder valve, positive pressure
The original state of side bleeder valve is in off state.
In another preferred embodiment, the control module is according to the tee pipe fitting and the differential pressure transmitter
Highly, and in the case where the vertical pressure guiding pipe of the negative pressure chamber fills water, water tank as anhydrous state to the differential pressure transmitter negative move is carried out
It moves, so that differential pressure transmitter output water tank liquid level signal is 0.
In another preferred embodiment, the control module opens the positive pressure side bleeder valve, and the water of water tank flows into
The plemum pressure guiding pipe, the air in the plemum pressure guiding pipe are discharged from the positive pressure side bleeder valve, close after filling water
The positive pressure side bleeder valve.
In another preferred embodiment, the control module, which controls, opens the suction side bleeder valve, described in opening
Shut-off valve is filled the water, to the negative pressure chamber vertical pressure guiding pipe water filling, the air of the vertical pressure guiding pipe of negative pressure chamber is from the suction side
Bleeder valve discharge, closes the suction side bleeder valve after filling water, closes the water filling shut-off valve.
Compared with prior art, the utility model improves on the basis of Traditional differential pressure formula measures water tank liquid level, solves
Negative pressure chamber's pressure guiding pipe in Traditional differential pressure measurement method leads to the problem of level gauging inaccuracy since liquid is splashed into, especially suitable
It is filled the water for water tank, drain operation process the liquid fluctuating even level gauging of liquid splash situation, while better economy, easily
In engineering manufacture installation, metering and maintenance, open water tank level gauging can be not only used for, it can also be used to pressure-resistant sealing water tank liquid level
Measurement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model provides a kind of measuring system that liquid level is stirred for ship water tank, can be realized step folding,
It is easy to operate, quick.The utility model is described in detail with specific embodiment with reference to the accompanying drawings of the specification.
As shown in Figure 1, a kind of measuring system that liquid level is stirred for ship water tank provided by the utility model, including negative pressure
Room pressure guiding pipe 2, plemum pressure guiding pipe 10, the vertical pressure guiding pipe 6 of negative pressure chamber and control module 11.
Negative pressure chamber's pressure guiding pipe 2 is arranged in the liquid level top of water tank 1, the other end tilt upwards and successively with suction side isolating valve
3, tee pipe fitting 4 connects, and tee pipe fitting 4 is concordant with the height of negative pressure chamber's impulse mouth, and other side connection water inlet pipe, on water inlet pipe
Equipped with water filling shut-off valve 5.
The bottom of water tank 1 is arranged in plemum pressure guiding pipe 10, and the other end is connect with differential pressure transmitter 8, plemum pressure guiding pipe
10 are equipped with positive pressure side bleeder valve 9.The both ends of the vertical pressure guiding pipe 6 of the negative pressure chamber bottom with differential pressure transmitter 8 and tee pipe fitting 4 respectively
The interface in portion connects, and bottom is equipped with suction side bleeder valve 7.Since the top of the vertical pressure guiding pipe 6 of negative pressure chamber is on tee pipe fitting 4,
So the top of tee pipe fitting 4, the vertical pressure guiding pipe 6 of negative pressure chamber is concordant with the height of negative pressure chamber impulse mouth.
Control module 11 and suction side isolating valve 3, water filling shut-off valve 5, differential pressure transmitter 8, positive pressure side bleeder valve 9 and negative pressure
Side bleeder valve 7 is separately connected and controls respectively and opens or closes, and according to the differential pressure electric signal of differential pressure transmitter 8, obtains water tank 1
Liquid level.
The utility model improves on the basis of Traditional differential pressure formula water tank liquid level measuring system, increase tee pipe fitting 4,
Shut-off valve 5 is filled the water, and improves measurement method, wherein suction side isolating valve 3, water filling shut-off valve 5, suction side bleeder valve 7, differential pressure
Transmitter 8, positive pressure side bleeder valve 9 etc. press procedure auto-control by control module 11.
The length of negative pressure chamber's pressure guiding pipe 2 hereinafter, length is shorter, avoids the water in water tank 1 from entering too deep, and negative pressure in 2m
Side isolating valve 3 can effectively prevent water flow further deeply.
The tilt angle of negative pressure chamber's pressure guiding pipe 2 is 2~5 °, this gradient can ensure that even if there is water to be splashed into negative pressure chamber's impulse
Pipe 2 also can be voluntarily back in water tank 1.
Suction side isolating valve 3, water filling shut-off valve 5, suction side bleeder valve 7, positive pressure side bleeder valve 9 original state be close
State avoids water flow from entering in each pipe before measurement starts.
Control module 11 is filled according to the height of tee pipe fitting 4 and differential pressure transmitter 8 in the vertical pressure guiding pipe 6 of negative pressure chamber
Water, water tank 1 are to carry out negative transfer to differential pressure transmitter 8 under anhydrous state, so that differential pressure transmitter 8 exports 1 liquid level signal of water tank
It is 0.
Control module 11 opens positive pressure side bleeder valve 9, and the water of water tank 1 flows into plemum pressure guiding pipe 10, plemum pressure guiding pipe
Air in 10 is discharged from positive pressure side bleeder valve 9, closes positive pressure side bleeder valve 9 after filling water.Due to the vertical pressure guiding pipe 6 of negative pressure chamber
For full water state, measurement error will not be caused liquid fluctuating acutely causes water to be splashed into suction type pressure guiding pipe.
Suction side bleeder valve 7 is opened in the control of control module 11, water filling shut-off valve 5 is opened, to vertical 6 note of pressure guiding pipe of negative pressure chamber
The air of water, the vertical pressure guiding pipe 6 of negative pressure chamber is discharged from suction side bleeder valve 7, closes suction side bleeder valve 7 after filling water, closes
Fill the water shut-off valve 5.The water filling of the vertical pressure guiding pipe 6 of negative pressure chamber is provided by individual water source, even and if water flow is splashed into again after filling,
Any influence will not be generated.
The prior art has the mature industry product of seawater corrosion resistance in piping material, valve and transmitter, and sea water resistance is rotten
Erosion ability is strong, particularly suitable 1 level gauging of ship water tank.
The utility model realizes that level gauging includes the following steps:
(1) according to the height of tee pipe fitting 4 and differential pressure transmitter 8, and in vertical 6 full water of pressure guiding pipe of negative pressure chamber, 1 nothing of water tank
Water state carries out negative transfer to differential pressure transmitter 8, so that it is 0 that differential pressure transmitter 8, which exports 1 liquid level signal of water tank,；
(2) suction side isolating valve 3, water filling shut-off valve 5, suction side bleeder valve 7, positive pressure side bleeder valve 9 original state be
Closed state；
(3) positive pressure side bleeder valve 9 is opened, the water of water tank 1 flows into plemum pressure guiding pipe 10, and the air in pressure guiding pipe is from positive pressure
Side bleeder valve 9 is discharged, and closes positive pressure side bleeder valve 9 after filling water；
(4) suction side bleeder valve 7 is opened, water filling shut-off valve 5 is opened, is filled the water to the vertical pressure guiding pipe 6 of negative pressure chamber, negative pressure chamber hangs down
It is discharged to the air of pressure guiding pipe 6 from suction side bleeder valve 7, closes suction side bleeder valve 7 after filling water, close water filling shut-off valve 5；
(5) it acquires the liquid level signal of differential pressure transmitter 8 in real time by control module 11, and converts and obtain 1 liquid level of water tank,
And realize water tank 1 water filling, draining etc. be automatically brought into operation.
The utility model improves on the basis of Traditional differential pressure formula measures water tank liquid level, solves Traditional differential pressure measurement side
Negative pressure chamber's pressure guiding pipe in formula leads to the problem of level gauging inaccuracy since liquid is splashed into, especially suitable for water tank water filling, row
Water operating process the liquid fluctuating even level gauging of liquid splash situation, while better economy, be easy to engineering manufacture installation,
Metering and maintenance, can be not only used for open water tank level gauging, it can also be used to pressure-resistant sealing water tank level gauging.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that the enlightenments in the utility model
Under the structure change made, it is all that there is same or similar technical solution with the utility model, each fall within the utility model
Within protection scope.
Claims (7)
1. a kind of measuring system for stirring liquid level for ship water tank characterized by comprising
Negative pressure chamber's pressure guiding pipe, is arranged in the liquid level top of water tank, the other end tilt upwards and successively with suction side isolating valve, threeway
Pipe fitting connection, the tee pipe fitting is concordant with the height of negative pressure chamber's impulse mouth, and other side connection water inlet pipe, on the water inlet pipe
Equipped with water filling shut-off valve；
The bottom of water tank is arranged in plemum pressure guiding pipe, and the other end is connect with differential pressure transmitter, sets on the plemum pressure guiding pipe
There is positive pressure side bleeder valve；
The vertical pressure guiding pipe of negative pressure chamber, both ends are connect with the interface of the bottom of the differential pressure transmitter and the tee pipe fitting respectively,
Bottom is equipped with suction side bleeder valve；
Control module, with suction side isolating valve, water filling shut-off valve, differential pressure transmitter, positive pressure side bleeder valve and suction side bleeder valve
It is separately connected and controls respectively and open or close, and according to the differential pressure electric signal of the differential pressure transmitter, it is high to obtain water tank liquid level
Degree.
2. the measuring system according to claim 1 for stirring liquid level for ship water tank, which is characterized in that the negative pressure chamber
The length of pressure guiding pipe is in 2m or less.
3. the measuring system according to claim 1 for stirring liquid level for ship water tank, which is characterized in that the negative pressure chamber
The tilt angle of pressure guiding pipe is 2~5 °.
4. the measuring system according to claim 1 for stirring liquid level for ship water tank, which is characterized in that the suction side
Isolating valve, water filling shut-off valve, suction side bleeder valve, positive pressure side bleeder valve original state be in off state.
5. the measuring system according to claim 1 for stirring liquid level for ship water tank, which is characterized in that the control mould
Root tuber and fills water, water tank in the vertical pressure guiding pipe of the negative pressure chamber according to the height of the tee pipe fitting and the differential pressure transmitter
To carry out negative transfer to the differential pressure transmitter under anhydrous state, so that differential pressure transmitter output water tank liquid level signal is 0.
6. the measuring system according to claim 1 for stirring liquid level for ship water tank, which is characterized in that the control mould
Block opens the positive pressure side bleeder valve, and the water of water tank flows into the plemum pressure guiding pipe, the air in the plemum pressure guiding pipe
It is discharged from the positive pressure side bleeder valve, closes the positive pressure side bleeder valve after filling water.
7. the measuring system according to claim 1 for stirring liquid level for ship water tank, which is characterized in that the control mould
The suction side bleeder valve is opened in block control, opens the water filling shut-off valve, described to the vertical pressure guiding pipe water filling of the negative pressure chamber
The air of the vertical pressure guiding pipe of negative pressure chamber is discharged from the suction side bleeder valve, closes the suction side bleeder valve after filling water, closes
Close the water filling shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908958.4U CN208254590U (en) | 2018-06-12 | 2018-06-12 | A kind of measuring system for stirring liquid level for ship water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908958.4U CN208254590U (en) | 2018-06-12 | 2018-06-12 | A kind of measuring system for stirring liquid level for ship water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208254590U true CN208254590U (en) | 2018-12-18 |
Family
ID=64654406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820908958.4U Expired - Fee Related CN208254590U (en) | 2018-06-12 | 2018-06-12 | A kind of measuring system for stirring liquid level for ship water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208254590U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623849A (en) * | 2020-06-11 | 2020-09-04 | 北京菲舍波特科技发展有限公司 | Intelligent liquid tank volume measuring device |
| CN112179452A (en) * | 2019-07-04 | 2021-01-05 | 上海孚凌自动化控制系统股份有限公司 | Method for modifying double-flange remote transmission liquid level meter into blowing liquid level meter |
| CN113023130A (en) * | 2021-03-03 | 2021-06-25 | 江苏科技大学 | Liquid storage container for underwater liquid drainage and liquid level measurement and liquid level control method thereof |
-
2018
- 2018-06-12 CN CN201820908958.4U patent/CN208254590U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179452A (en) * | 2019-07-04 | 2021-01-05 | 上海孚凌自动化控制系统股份有限公司 | Method for modifying double-flange remote transmission liquid level meter into blowing liquid level meter |
| CN111623849A (en) * | 2020-06-11 | 2020-09-04 | 北京菲舍波特科技发展有限公司 | Intelligent liquid tank volume measuring device |
| CN113023130A (en) * | 2021-03-03 | 2021-06-25 | 江苏科技大学 | Liquid storage container for underwater liquid drainage and liquid level measurement and liquid level control method thereof |
| CN113023130B (en) * | 2021-03-03 | 2022-07-22 | 江苏科技大学 | Liquid storage container for underwater liquid drainage and liquid level measurement and liquid level control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20210612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |