CN205748546U - Reflection unit is measured bottom a kind of LNG tank body - Google Patents
Reflection unit is measured bottom a kind of LNG tank body Download PDFInfo
- Publication number
- CN205748546U CN205748546U CN201620444445.3U CN201620444445U CN205748546U CN 205748546 U CN205748546 U CN 205748546U CN 201620444445 U CN201620444445 U CN 201620444445U CN 205748546 U CN205748546 U CN 205748546U
- Authority
- CN
- China
- Prior art keywords
- tank body
- lng tank
- lng
- metal rack
- absorbing material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000011358 absorbing material Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Abstract
This utility model relates to LNG technical field of liquid level measurement, reflection unit is measured bottom specifically a kind of LNG tank body, including LNG tank body, filtering wire netting, absorbing material and metal rack, it is fixed with metal rack on the inwall of LNG tank body, distance between lower surface and the LNG tank body bottom metal layers of metal rack is 5mm, the upper surface of metal rack is provided with filtering wire netting and absorbing material, filtering wire netting is cylindrically, being set in the outside of absorbing material, the distance between upper surface and the lower surface of metal rack of absorbing material is 22mm.This utility model compared with the existing technology, devises measurement reflection unit bottom LNG tank body, weakens the echo reflection intensity bottom LNG tank body, to increase the range of radar level gauge measurement LNG, thus the capacity of residual LNG in measuring tank body more accurately.
Description
Technical field
This utility model relates to LNG technical field of liquid level measurement, measures reflection unit bottom specifically a kind of LNG tank body.
Background technology
Radar level sensor, as a kind of liquid level emasuring device, has the advantages that tank interior goods does not contacts and is easily maintained, is more and more welcome by users.
Radar level gauge is widely used for current LNG, on the cargo ship of namely for methane.But owing to the dielectric constant of LNG approximates 1.65, numeric ratio is relatively low.At LNG tank body inside liquid level than in the case of relatively low, radar echo intensity is weaker than the reflex strength of LNG tank body bottom metal, causes low liquid level when, and radar level gauge degree of accuracy is severely impacted.
Reflection unit is measured bottom a kind of LNG tank body that can more accurately measure tank body interior residual LNG accordingly, it would be desirable to design.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that measure reflection unit bottom a kind of LNG tank body that can more accurately measure tank body interior residual LNG.
In order to achieve the above object, this utility model is to measure reflection unit bottom a kind of LNG tank body, including LNG tank body, filtering wire netting, absorbing material and metal rack, it is characterized in that: on the inwall of LNG tank body, be fixed with metal rack, distance between lower surface and the LNG tank body bottom metal layers of metal rack is 5mm, the upper surface of metal rack is provided with filtering wire netting and absorbing material, filtering wire netting is cylindrically, being set in the outside of absorbing material, the distance between upper surface and the lower surface of metal rack of absorbing material is 22mm.
Between described metal rack with the inwall of described LNG tank body, employing is welded or screw is fixed.
A diameter of 250mm of described filtering wire netting.
This utility model compared with the existing technology, devises measurement reflection unit bottom LNG tank body, weakens the echo reflection intensity bottom LNG tank body, to increase the range of radar level gauge measurement LNG, thus the capacity of residual LNG in measuring tank body more accurately.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Seeing Fig. 1,1 manages for radar instructor in broadcasting；2 is filtering wire netting；3 is absorbing material；4 is metal rack；5 is LNG tank body bottom metal layers.
Detailed description of the invention
In conjunction with accompanying drawing, this utility model is described further.
Seeing Fig. 1, this utility model is to measure reflection unit bottom a kind of LNG tank body, including LNG tank body, filtering wire netting, absorbing material and metal rack.Metal rack 4 it is fixed with on the inwall of LNG tank body, distance between lower surface and the LNG tank body bottom metal layers 5 of metal rack 4 is 5mm, the upper surface of metal rack 4 is provided with filtering wire netting 2 and absorbing material 3, filtering wire netting 2 is cylindrically, being set in the outside of absorbing material 3, the distance between upper surface and the lower surface of metal rack 4 of absorbing material 3 is 22mm.
In this utility model, between metal rack 4 and the inwall of LNG tank body, employing is welded or screw is fixed.
This utility model operationally, radar instructor in broadcasting's pipe 1 measures in inserting LNG tank body, a diameter of 250mm of filtering wire netting 2, and the material of filtering wire netting 2 is ANSIL316.Cylindric filtering wire netting 2, during can effectively slowing down handling goods, in LNG tank body the concussion of LNG with rock, be conducive to accurately measuring bottoms level.The Teflon that absorbing material 3 is fixed for thickness, can effectively reduce the reflex strength of LNG tank body bottom metal layers 5, the most accurately the liquid level of LNG in monitoring LNG tank body.
This utility model, with devising measurement reflection unit bottom LNG tank body, weakens the echo reflection intensity bottom LNG tank body, to increase the range of radar level gauge measurement LNG, thus the capacity of residual LNG in measuring tank body more accurately.
Claims (3)
1. bottom a LNG tank body, measure reflection unit, including LNG tank body, filtering wire netting, absorbing material and metal rack, it is characterized in that: on the inwall of LNG tank body, be fixed with metal rack (4), distance between lower surface and LNG tank body bottom metal layers (5) of metal rack (4) is 5mm, the upper surface of metal rack (4) is provided with filtering wire netting (2) and absorbing material (3), filtering wire netting (2) is cylindrically, it is set in the outside of absorbing material (3), distance between upper surface and the lower surface of metal rack (4) of absorbing material (3) is 22mm.
Reflection unit is measured bottom a kind of LNG tank body the most according to claim 1, it is characterised in that: between described metal rack (4) and the inwall of described LNG tank body, employing is welded or screw is fixed.
Reflection unit is measured bottom a kind of LNG tank body the most according to claim 1, it is characterised in that: a diameter of 250mm of described filtering wire netting (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620444445.3U CN205748546U (en) | 2016-05-16 | 2016-05-16 | Reflection unit is measured bottom a kind of LNG tank body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620444445.3U CN205748546U (en) | 2016-05-16 | 2016-05-16 | Reflection unit is measured bottom a kind of LNG tank body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205748546U true CN205748546U (en) | 2016-11-30 |
Family
ID=57367171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620444445.3U Expired - Fee Related CN205748546U (en) | 2016-05-16 | 2016-05-16 | Reflection unit is measured bottom a kind of LNG tank body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205748546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019091231A1 (en) * | 2017-11-08 | 2019-05-16 | 北京古大仪表有限公司 | High-frequency module for level measurement, and radar level instrument |
-
2016
- 2016-05-16 CN CN201620444445.3U patent/CN205748546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019091231A1 (en) * | 2017-11-08 | 2019-05-16 | 北京古大仪表有限公司 | High-frequency module for level measurement, and radar level instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20200516 |