CN112986316A - Experimental device for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material - Google Patents
Experimental device for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material Download PDFInfo
- Publication number
- CN112986316A CN112986316A CN202110310673.7A CN202110310673A CN112986316A CN 112986316 A CN112986316 A CN 112986316A CN 202110310673 A CN202110310673 A CN 202110310673A CN 112986316 A CN112986316 A CN 112986316A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- cold insulation
- liquid nitrogen
- steel pipe
- insulation 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an experimental device for carrying out an ultralow-temperature cold insulation effect test on a cold insulation material, which is characterized in that: the liquid nitrogen tank is connected with one end of the L-shaped stainless steel pipe through a special stainless steel hose, a valve is mounted at the other end of the L-shaped stainless steel pipe to control the open-close state of the experiment pipeline, an exhaust port is mounted at the tail end of the L-shaped stainless steel pipe and used for exhausting redundant gas generated after liquid nitrogen gasification, and the L-shaped stainless steel experiment pipe is placed on the support. The invention has the main characteristics of safety, low cost and convenient carrying, thereby improving the efficiency of cold insulation effect experiments of cold insulation materials in an ultralow temperature environment.
Description
Technical Field
The invention relates to an experimental device for performing an ultralow-temperature cold insulation effect test on a cold insulation material, in particular to a simple ultralow-temperature experimental device for the cold insulation material.
Background
The ultralow temperature experimental device is used for carrying out ultralow temperature cold insulation effect and cold insulation material low temperature performance test on cold insulation materials, and the ultralow temperature experimental device commonly used is a special fixed experimental device, is inconvenient to carry and has high manufacturing cost. The invention relates to an experimental device for carrying out ultralow temperature cold insulation effect on a cold insulation material and low temperature performance of the material, which has the advantages of small volume, portability, low manufacturing cost and capability of demonstration and demonstration on a client site.
Disclosure of Invention
This experimental apparatus adopts L type stainless steel pipe as major structure, places on the support, is connected with the liquid nitrogen container through special stainless steel hose in one end, and the valve is installed to the other end, controls the environment of leading to and shutting of experiment pipeline, is provided with discharge valve at the pipeline end for unnecessary gas behind the gasification of liquid nitrogen in the discharge pipeline makes the sustainable input of liquid nitrogen.
Drawings
FIG. 1 is a schematic top view of the present patent;
FIG. 2 is a schematic front view;
in the figure: 1. liquid nitrogen container, 2, special stainless steel hose, 3, connecting valve, 4, support, 5, L-shaped stainless steel pipe, 6, exhaust valve, 7 and valve
Detailed Description
The technical solution in this patent will be described clearly and completely with reference to the attached drawings of this patent.
The design adopts the liquid nitrogen refrigerant to reduce the temperature in the experiment pipeline.
And (3) cooling by adopting liquid nitrogen: install cold insulation material in L type stainless steel pipeline outer wall, place on the support, be connected liquid nitrogen tank and experiment pipeline through special stainless steel hose, open the valve, let in the liquid nitrogen, the unnecessary gas after the gasification of gas vent exhaust liquid nitrogen, the valve is closed after lasting a period, make the experiment pipeline form the closure state, after keeping a certain time, open the valve and continue to let in the liquid nitrogen, process cycle is several according to this, observe a period after, unpack apart cold insulation material, through looking over cold insulation material inner structure change and experiment pipeline surface condition, finally judge the low temperature performance and the cold insulation effect of this cold insulation material.
Claims (4)
1. The utility model provides an experimental apparatus for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material, includes liquid nitrogen container (1), L type stainless steel pipeline (5) and special stainless steel metal collapsible tube (2), its characterized in that: the liquid nitrogen tank is connected with a test device L-shaped stainless steel pipe (5) through a special stainless steel metal hose (2), the special stainless steel metal hose (2) and the L-shaped stainless steel pipe (5) are fixedly connected through a connecting valve (3), the L-shaped stainless steel pipe (5) is placed on a support (4), a valve (7) is installed at the other end of the L-shaped stainless steel pipe (5) and used for controlling the opening and closing state of the whole experimental pipeline, and an exhaust valve (6) is installed at the tail end of the L-shaped stainless steel pipe (5) and used for exhausting redundant gas after liquid nitrogen in a pipeline is gasified when the liquid nitrogen is introduced.
2. The experimental facility for testing the ultra-low temperature cold insulation effect of the cold insulation material as claimed in claim 1, wherein the liquid nitrogen in the liquid nitrogen tank (1) is led to the L-shaped stainless steel pipeline (5) through the special stainless steel hose (2), so that the temperature is reduced to-196 ℃.
3. The experimental device for testing the ultralow-temperature cold insulation effect of the cold insulation material as claimed in claim 1, wherein the open and close environment of the stainless steel pipe (5) is adjusted by the valve (7) to circulate the liquid nitrogen cooling test.
4. The experimental device for testing the ultra-low temperature cold insulation effect of the cold insulation material as claimed in claim 1, wherein the excess gas generated after gasification during liquid nitrogen introduction is exhausted through an exhaust valve (6) at the end of the pipeline, so that the liquid nitrogen introduction can be continuously cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310673.7A CN112986316A (en) | 2021-03-24 | 2021-03-24 | Experimental device for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110310673.7A CN112986316A (en) | 2021-03-24 | 2021-03-24 | Experimental device for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112986316A true CN112986316A (en) | 2021-06-18 |
Family
ID=76334408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110310673.7A Pending CN112986316A (en) | 2021-03-24 | 2021-03-24 | Experimental device for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112986316A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1516150A (en) * | 1974-09-20 | 1978-06-28 | Nihon Soflan Chem & Eng Co Ltd | Thermally insulated containers for liquefied gas |
| US4878520A (en) * | 1984-06-07 | 1989-11-07 | Asahi Kasei Kogyo Kabushiki Kaisha | Heat insulating structures for low-temperature or cryogenic pipings |
| CN1425867A (en) * | 2002-12-27 | 2003-06-25 | 浙江大学 | Low temperature liquid-conveying pipe performance measuring system |
| CN205301216U (en) * | 2015-11-27 | 2016-06-08 | 李竹霞 | Insulation coating thermal insulation properties's simple and easy detection device |
| CN105845271A (en) * | 2016-05-19 | 2016-08-10 | 胡光南 | High temperature superconducting charging cable |
| CN108168733A (en) * | 2018-01-17 | 2018-06-15 | 江苏长能节能新材料科技有限公司 | The judgment method of low temperature insulation material storage tank cryogenic property quality |
| CN111977181A (en) * | 2019-05-24 | 2020-11-24 | 苏州科技大学 | Portable medicament cold insulation bottle based on PCM material |
-
2021
- 2021-03-24 CN CN202110310673.7A patent/CN112986316A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1516150A (en) * | 1974-09-20 | 1978-06-28 | Nihon Soflan Chem & Eng Co Ltd | Thermally insulated containers for liquefied gas |
| US4878520A (en) * | 1984-06-07 | 1989-11-07 | Asahi Kasei Kogyo Kabushiki Kaisha | Heat insulating structures for low-temperature or cryogenic pipings |
| CN1425867A (en) * | 2002-12-27 | 2003-06-25 | 浙江大学 | Low temperature liquid-conveying pipe performance measuring system |
| CN205301216U (en) * | 2015-11-27 | 2016-06-08 | 李竹霞 | Insulation coating thermal insulation properties's simple and easy detection device |
| CN105845271A (en) * | 2016-05-19 | 2016-08-10 | 胡光南 | High temperature superconducting charging cable |
| CN108168733A (en) * | 2018-01-17 | 2018-06-15 | 江苏长能节能新材料科技有限公司 | The judgment method of low temperature insulation material storage tank cryogenic property quality |
| CN111977181A (en) * | 2019-05-24 | 2020-11-24 | 苏州科技大学 | Portable medicament cold insulation bottle based on PCM material |
Non-Patent Citations (2)
| Title |
|---|
| 国家技术监督局: "设备及管道保冷效果的测试与评价", 《中华人民共和国国家标准》 * |
| 李月满: "保冷材料在石油化工行业的应用", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅰ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109781579B (en) | Automatic tester and testing method for cycle life of hydrogen storage material | |
| CN106918458B (en) | A kind of Test System for Rocket Engine Test kerosene high/low temperature heat-exchange system and charging method | |
| CN103486434B (en) | Gas transferring device | |
| CN105972901B (en) | Deep cooling box | |
| CN110806290A (en) | Test bench for detecting micro leakage of valve by using methane | |
| CN112986316A (en) | Experimental device for be used for carrying out ultra-low temperature cold insulation effect test to cold insulation material | |
| CN113758321B (en) | High-temperature heat pipe quantitative liquid filling device and method | |
| CN203365265U (en) | Evaluation test device for oilfield corrosion inhibitor | |
| CN204874630U (en) | Handle powder material's high temperature vacuum apparatus | |
| CN102538326A (en) | Automatic liquid mixing and filling system for commercial thermal expansion valve and automatic liquid mixing and filling method for same | |
| CN112666266A (en) | Device for testing adsorption performance of adsorbent under low-temperature high-vacuum condition | |
| WO2020151367A1 (en) | Simulated comprehensive test system for gas sealing performance | |
| CN203284418U (en) | Movable leakage detection device for blast furnace cooling stave | |
| CN219368082U (en) | Negative pressure liquid nitrogen/liquid oxygen subcooler system | |
| CN204362810U (en) | A kind of biological sample stored refrigerated case | |
| CN207279260U (en) | A kind of LNG low-temperature tankers vacuumize inner-outer circulation heating unit | |
| CN103016951B (en) | Residual liquid emptier | |
| CN203639595U (en) | Polycrystalline silicon ingot casting furnace | |
| CN202420058U (en) | System for automatically mixing and filling liquid for commercial thermal expansion valve | |
| CN202433359U (en) | Ageing test device | |
| CN113465385A (en) | Detachable organic carbon high-temperature closed combustion system and application thereof | |
| CN202074227U (en) | Dual-coil electric heating natural gas gasification heat exchanger | |
| CN204101368U (en) | The pre-heat sink of low temperature three axle confined pressure room liquid | |
| CN102730613A (en) | Heat pipe working medium filling bench | |
| CN112578018B (en) | Device and method for testing decomposition and composite characteristics of insulating gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210618 |