CN111505428A - Test section for simulating heating fluid of cylindrical heating rod in pipe - Google Patents
Test section for simulating heating fluid of cylindrical heating rod in pipe Download PDFInfo
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- CN111505428A CN111505428A CN202010446342.1A CN202010446342A CN111505428A CN 111505428 A CN111505428 A CN 111505428A CN 202010446342 A CN202010446342 A CN 202010446342A CN 111505428 A CN111505428 A CN 111505428A
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- heating rod
- heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Physics & Mathematics (AREA)
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Abstract
A test section for simulating heating of fluid by a cylindrical heating rod in a pipe comprises a test section consisting of an outer sleeve, a heating rod outer shell, a cylindrical heating rod and a heating rod inner shell which are coaxially arranged from outside to inside, wherein two ends of the cylindrical heating rod are respectively connected with a heating power supply connecting plate, and the heating rod outer shell and the outer sleeve are fixed. According to the invention, the cylindrical heating rod heated by electrifying is adopted to simulate the heating of the cylindrical heating rod in the tube, and the problems of difficulty in manufacturing the cylindrical heating rod with small volume and high power and insulation of the electrified heating rod for a test section are solved by spraying the alumina ceramic insulating layer on the inner shell of the heating rod and the outer surface of the cylindrical heating rod; the cylindrical heating rod test section capable of being electrified and heated can simulate a cylindrical heating rod with small volume and high power heating in a pipe in the test process, and can be used for researching the performance of a thermal-state cylindrical heating rod and the thermal hydraulic characteristics.
Description
Technical Field
The invention belongs to the technical field of industrial heating, and relates to a test section for simulating a cylindrical heating rod in a pipe to heat fluid.
Technical Field
The cylindrical heating rod has the characteristic of heating the inner side and the outer side, improves the heating capacity of fluid, and can improve the heating power by 20 to 50 percent on the premise of keeping the safety allowance of the existing temperature, so the cylindrical heating rod is a high-efficiency heating source. The flow characteristics of the fluid in the inner channel and the fluid in the outer channel under different power working conditions also need to be researched through a cylindrical heating rod thermal hydraulic performance test. However, the complicated structure and small volume of the test block cause difficulty in manufacturing the test block. The invention provides a test section for simulating the heating of a cylindrical heating rod based on the requirement, and aims to solve the problem of the test section of the cylindrical heating rod with small volume and high power required by the heating of fluid by the cylindrical heating rod in a simulation pipe.
Disclosure of Invention
In order to solve the problems of the prior art, the present invention provides a test section for simulating the heating of a cylindrical heating rod in a pipe, which can simulate the heating of a fluid by the cylindrical heating rod in a test, so as to study the thermal hydraulic characteristics of the cylindrical heating rod under a heating condition.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a test section for simulating heating of fluid by a cylindrical heating rod in a pipe comprises a test section consisting of an outer sleeve 2, a heating rod outer shell 3, a cylindrical heating rod 4 and a heating rod inner shell 5 which are coaxially arranged from outside to inside, wherein two ends of the cylindrical heating rod 4 are respectively connected with a heating power supply connecting plate 1, and the heating rod outer shell 3 and the outer sleeve 2 are fixed.
The length of the heating rod inner shell 5 is longer than that of the cylindrical heating rod 4, and redundant parts at two ends of the heating rod inner shell 5 are used for fixing the heating rod inner shell 5; and the whole outer surface of the heating rod inner shell 5 is sprayed with an insulating layer made of alumina ceramic material with a preset thickness.
The length of the cylindrical heating rod 4 is longer than that of the heating rod shell 3, and redundant parts at two ends of the cylindrical heating rod 4 are used for fixing the cylindrical heating rod 4 by insulating materials and connecting the heating power supply connecting plate 1; and the outer surface of the cylindrical heating rod 4 except the part for connecting the heating power supply connecting plate 1 is sprayed with an insulating layer made of alumina ceramic material with preset thickness.
The heating power supply connecting plate 1 clamps and fixes the cylindrical heating rod 4 in a half connection mode; and the outer surfaces of the heating power supply connecting plate 1 except the binding post are all sprayed with insulating layers made of alumina ceramics with preset thickness.
The heating power supply connecting plates 1 are made of copper, and the two heating power supply connecting plates 1 are respectively used as a positive electrode and a negative electrode to be connected with an external heating source.
Flanges are arranged at two ends of the outer sleeve 2 and used for fixing the test section, and the outer surface of the outer sleeve is wrapped with an asbestos heat insulation layer.
Compared with the prior art, the invention has the following advantages:
1. the test section is invented for researching the characteristics of the cylindrical heating rod in a heating state, and can simulate the heating of the cylindrical heating rod to carry out thermal test research.
2. The test section solves the problem that the test section is difficult to manufacture due to the fact that the cylindrical heating rod with small volume and high power in the tube is electrified and heated.
3. The invention relates to a test section, which solves the insulation problem of a cylindrical heating rod, other parts and heating fluid in the test section by a method of spraying an alumina ceramic insulating layer on the outer surfaces of an inner shell and the cylindrical heating rod.
Drawings
FIG. 1 is a schematic overall view of a test section of the present invention.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in figure 1, the test section for simulating heating fluid of the cylindrical heating rod in the tube comprises a test section which is composed of an outer sleeve 2, a heating rod outer shell 3, a cylindrical heating rod 4 and a heating rod inner shell 5 which are coaxially arranged from outside to inside, wherein two ends of the cylindrical heating rod 4 are respectively connected with a heating power supply connecting plate 1, and the heating rod outer shell 3 and the outer sleeve 2 are fixed.
As shown in fig. 1, the heating rod inner shell 5 is slightly longer than the cylindrical heating rod 4, and the redundant parts at the two ends are used for fixing the heating rod inner shell 5; and an insulating layer with a preset thickness is sprayed on the whole outer surface of the heating rod inner shell 5.
As shown in fig. 1, the length of the cylindrical heating rod 4 is slightly longer than that of the heating rod shell 3, and the redundant parts at two ends are used for fixing the cylindrical heating rod 4 by insulating materials and connecting the heating power supply connecting plate 1; the outer surface of the cylindrical heating rod 4 except the part for connecting the heating power supply connecting plate 1 is coated with an insulating layer with a preset thickness.
As shown in fig. 1, the heating power supply connecting plate 1 clamps and fixes the cylindrical heating rod 4 in a half connection manner; and insulating layers with certain thickness are sprayed on the outer surfaces of the heating power supply connecting plate 1 except the binding posts.
Preferably, the insulating layer is made of alumina ceramic.
As shown in fig. 1, the heating power supply connection plates 1 are made of copper, and the two heating power supply connection plates 1 are respectively used as a positive electrode and a negative electrode to be connected with an external heating source.
As shown in figure 1, flanges are arranged at two ends of the outer sleeve 2 and used for fixing the test section, and the outer surface of the outer sleeve is wrapped with an asbestos heat insulation layer.
The above description is only for the purpose of illustrating the present invention, and the implementation of the present invention will be apparent to those skilled in the art, and the present invention is not limited to the above description. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a test section of cylinder heating rod heating fluid in simulation pipe which characterized in that: the device comprises a test section consisting of an outer sleeve (2), a heating rod outer shell (3), a cylindrical heating rod (4) and a heating rod inner shell (5) which are coaxially arranged from outside to inside, and a heating power supply connecting plate (1) respectively connected with two ends of the cylindrical heating rod (4), wherein the heating rod outer shell (3) and the outer sleeve (2) are fixed.
2. A test section for simulating heating of a fluid by a cylindrical heating rod in a pipe according to claim 1, wherein: the length of the heating rod inner shell (5) is longer than that of the cylindrical heating rod (4), and redundant parts at two ends of the heating rod inner shell (5) are used for fixing the heating rod inner shell (5); and the whole outer surface of the heating rod inner shell (5) is sprayed with an insulating layer made of alumina ceramic material with a preset thickness.
3. A test section for simulating heating of a fluid by a cylindrical heating rod in a pipe according to claim 1, wherein: the length of the cylindrical heating rod (4) is longer than that of the heating rod shell (3), and redundant parts at two ends of the cylindrical heating rod (4) are used for fixing the cylindrical heating rod (4) by insulating materials and connecting the heating power supply connecting plate (1); the outer surface of the cylindrical heating rod (4) except for the part for connecting the heating power supply connecting plate (1) is sprayed with an insulating layer made of alumina ceramic with a preset thickness.
4. A test section for simulating heating of a fluid by a cylindrical heating rod in a pipe according to claim 1, wherein: the heating power supply connecting plate (1) clamps and fixes the cylindrical heating rod (4) in a half connection mode; the outer surfaces of the heating power supply connecting plate (1) except the binding post are all sprayed with insulating layers made of alumina ceramics with preset thickness.
5. A test section for simulating heating of a fluid by a cylindrical heating rod in a pipe according to claim 1, wherein: the heating power supply connecting plates (1) are made of copper, and the two heating power supply connecting plates (1) are respectively used as a positive electrode and a negative electrode to be connected with an external heating source.
6. A test section for simulating heating of a fluid by a cylindrical heating rod in a pipe according to claim 1, wherein: flanges are arranged at two ends of the outer sleeve (2) and used for fixing the test section, and the outer surface of the outer sleeve is wrapped with an asbestos heat insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010446342.1A CN111505428B (en) | 2020-05-25 | 2020-05-25 | Test section for simulating heating fluid of cylindrical heating rod in pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010446342.1A CN111505428B (en) | 2020-05-25 | 2020-05-25 | Test section for simulating heating fluid of cylindrical heating rod in pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111505428A true CN111505428A (en) | 2020-08-07 |
| CN111505428B CN111505428B (en) | 2022-06-07 |
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| CN202010446342.1A Active CN111505428B (en) | 2020-05-25 | 2020-05-25 | Test section for simulating heating fluid of cylindrical heating rod in pipe |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326122A (en) * | 1980-07-14 | 1982-04-20 | The United States Of America As Represented By The United States Department Of Energy | Electric heater for nuclear fuel rod simulators |
| JPS621396U (en) * | 1985-06-19 | 1987-01-07 | ||
| CN101178152A (en) * | 2006-11-10 | 2008-05-14 | 张敬平 | Pipeline type liquid quick heater |
| CN201550301U (en) * | 2009-07-27 | 2010-08-11 | 王佰忠 | New generation of nanometer heating pipe |
| CN203233557U (en) * | 2013-04-17 | 2013-10-09 | 中国科学院宁波材料技术与工程研究所 | Tubular thick film heater |
| CN103906280A (en) * | 2012-12-27 | 2014-07-02 | 陈明初 | Bidirectionally-heating electrothermal-film heating tube |
| CN104078087A (en) * | 2014-06-24 | 2014-10-01 | 西安交通大学 | Rod bundle test piece for simulating supercritical water-cooled reactor fuel element |
| RU2572296C1 (en) * | 2014-09-30 | 2016-01-10 | Закрытое акционерное общество "Научно-производственное предприятие "Маштест" | Stand for hydraulic test of container for fatigue life at low temperatures |
| WO2017020474A1 (en) * | 2015-07-31 | 2017-02-09 | 中广核研究院有限公司 | Reactor core simulation body for overall effect thermal hydraulic test |
| CN107402231A (en) * | 2017-09-06 | 2017-11-28 | 哈尔滨工程大学 | One kind is applied under dynamic condition hot-working hydraulic characteristic research experiment device in heating rod beam passage |
| CN110299217A (en) * | 2019-07-24 | 2019-10-01 | 西安交通大学 | It is a kind of for studying the test section of annular fuel involucrum Explosive Failure |
| CN110517797A (en) * | 2019-08-16 | 2019-11-29 | 西安交通大学 | A kind of nuclear reactor annular fuel damage experimental provision and experimental method |
| CN111161897A (en) * | 2019-12-27 | 2020-05-15 | 西北核技术研究院 | High-power thick rod fuel element simulation device |
| CN111638243A (en) * | 2020-05-25 | 2020-09-08 | 西安交通大学 | Cylindrical heating rod test section filled with inert gas and air gap sealing method |
-
2020
- 2020-05-25 CN CN202010446342.1A patent/CN111505428B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326122A (en) * | 1980-07-14 | 1982-04-20 | The United States Of America As Represented By The United States Department Of Energy | Electric heater for nuclear fuel rod simulators |
| JPS621396U (en) * | 1985-06-19 | 1987-01-07 | ||
| CN101178152A (en) * | 2006-11-10 | 2008-05-14 | 张敬平 | Pipeline type liquid quick heater |
| CN201550301U (en) * | 2009-07-27 | 2010-08-11 | 王佰忠 | New generation of nanometer heating pipe |
| CN103906280A (en) * | 2012-12-27 | 2014-07-02 | 陈明初 | Bidirectionally-heating electrothermal-film heating tube |
| CN203233557U (en) * | 2013-04-17 | 2013-10-09 | 中国科学院宁波材料技术与工程研究所 | Tubular thick film heater |
| CN104078087A (en) * | 2014-06-24 | 2014-10-01 | 西安交通大学 | Rod bundle test piece for simulating supercritical water-cooled reactor fuel element |
| RU2572296C1 (en) * | 2014-09-30 | 2016-01-10 | Закрытое акционерное общество "Научно-производственное предприятие "Маштест" | Stand for hydraulic test of container for fatigue life at low temperatures |
| WO2017020474A1 (en) * | 2015-07-31 | 2017-02-09 | 中广核研究院有限公司 | Reactor core simulation body for overall effect thermal hydraulic test |
| CN107402231A (en) * | 2017-09-06 | 2017-11-28 | 哈尔滨工程大学 | One kind is applied under dynamic condition hot-working hydraulic characteristic research experiment device in heating rod beam passage |
| CN110299217A (en) * | 2019-07-24 | 2019-10-01 | 西安交通大学 | It is a kind of for studying the test section of annular fuel involucrum Explosive Failure |
| CN110517797A (en) * | 2019-08-16 | 2019-11-29 | 西安交通大学 | A kind of nuclear reactor annular fuel damage experimental provision and experimental method |
| CN111161897A (en) * | 2019-12-27 | 2020-05-15 | 西北核技术研究院 | High-power thick rod fuel element simulation device |
| CN111638243A (en) * | 2020-05-25 | 2020-09-08 | 西安交通大学 | Cylindrical heating rod test section filled with inert gas and air gap sealing method |
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| Publication number | Publication date |
|---|---|
| CN111505428B (en) | 2022-06-07 |
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