CN103499472A - Sampling device for tail gas of high temperature gas cooled reactor - Google Patents
Sampling device for tail gas of high temperature gas cooled reactor Download PDFInfo
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- CN103499472A CN103499472A CN201310418422.6A CN201310418422A CN103499472A CN 103499472 A CN103499472 A CN 103499472A CN 201310418422 A CN201310418422 A CN 201310418422A CN 103499472 A CN103499472 A CN 103499472A
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- sampling
- high temperature
- temperature gas
- cooled reactor
- gas cooled
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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
Abstract
The invention relates to the technical field of sampling devices, and particularly relates to a sampling device for a tail gas of a high temperature gas cooled reactor. The sampling device comprises the high temperature gas cooled reactor, wherein the output end of the high temperature gas cooled reactor is connected with a sampling section, the output end of the sampling section is connected with a rod sleeve, the left part of the rod sleeve is fixed through an isolating device, an electric valve is arranged at the middle of the rod sleeve, one end in the rod sleeve is connected with the sampling section, the other end in the rod sleeve is connected with a transmission motor, the right part of the rod sleeve is fixed through a first support rod, and the transmission motor is fixed through a second support rod. When the sampling device is used, the sampling section is connected with a tail gas (helium) outlet of the high temperature gas cooled experiment reactor, a sampling filter screen is pushed into the tail gas outlet by a piston to be self-locked when sampling is to be realized, then the tail gas outlet of the high temperature gas cooled reactor releases tail gas, circulation is realized through a reflowing pipe, impurities in the high-temperature helium as the tail gas are sampled through the sampling filter screen, finally, the sampling filter screen is backwards pulled out through a drive mechanism, and thus the purpose of convenience in driving and sampling can be achieved.
Description
Technical field
The present invention relates to the sampler technical field, particularly a kind of high temperature gas cooled reactor exhaust sampling device.
Background technology
High temperature gas-cooled experiment nuclear reactor utilizes helium as cooling medium.The in-pile component of reactor is graphite.In the reactor operation process, the loop helium runner that helium flow forms through graphite component is also heated by the nuclear fuel of reactor core.Under hot conditions, if the water in helium or other impurity contents are higher, with graphite component generation chemical reaction, produce the gaseous impuritieies such as CO, CO2 and H2.Impurity content in one loop outlet (being the helium purification system entrance) helium obviously increases, the security of entail dangers to in-pile component.
For further measuring the impurity content in a loop high temperature gas cooled reactor tail gas outlet helium, a set of high temperature gas cooled reactor tail gas sampling analysis system need be set, so that monitoring helium quality, the leakage of monitoring response heap steam generator heat-transfer pipe, for helium purification system provides service data.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of high temperature gas-cooled experiment nuclear reactor one loop outlet exhaust sampling and driving mechanism thereof is provided, its driving and sampling are convenient.
For achieving the above object, the present invention is by the following technical solutions: a kind of high temperature gas cooled reactor exhaust sampling device, comprise high temperature gas cooled reactor, the high temperature gas cooled reactor output terminal is connected with the sampling section, and the output terminal of described sampling section is connected with the bar cover, bar cover left part is fixed by spacer assembly, bar cover middle part is provided with electrically operated valve, is provided with an end in the bar cover and is connected with the sampling section, and the other end is connected with driving motor, the right part of described bar cover is fixed by the first support bar, and driving motor is fixed by the second support bar.
Wherein, described sampling section comprises the tight connecting seat be connected with high temperature gas cooled reactor, offer the high temperature nitrogen pore in tight connecting seat, the tight connecting seat right-hand member is connected with sample bucket, be provided with the sampling filtering sieve in sample bucket, be provided with sealing-plug between sampling filtering sieve and tight connecting seat, sampling filtering sieves an end and is inserted in sealing-plug, be equipped with the flexible graphite sealing part between sealing-plug and sample bucket and between sealing-plug and sampling filtering sieve, sampling filtering sieve right-hand member connects described piston rod, be provided with self-locking device between described sample bucket top correspondence and sampling filtering sieve and piston rod, described sample bucket below is provided with recirculatory pipe corresponding to the sampling filtering sieve.
Wherein, described spacer assembly comprises spacer sleeve, is provided with the spring that is sheathed on piston rod in spacer sleeve, and spacer sleeve is provided with divider wall outward.
Wherein, described driving motor lower end is provided with rack-plate, and the driving motor output terminal is provided with gear.
Beneficial effect of the present invention is: the present invention includes high temperature gas cooled reactor, the high temperature gas cooled reactor output terminal is connected with the sampling section, the output terminal of described sampling section is connected with the bar cover, bar cover left part is fixed by spacer assembly, bar cover middle part is provided with electrically operated valve, is provided with an end in the bar cover and is connected with the sampling section, and the other end is connected with driving motor, the right part of described bar cover is fixed by the first support bar, and driving motor is fixed by the second support bar; The present invention mainly is comprised of the two large divisions, and first is the sampling section, and second portion is the sampling driving mechanism.The sampling section is connected with high temperature gas-cooled experiment nuclear reactor tail gas (helium) outlet, in the time will realizing sampling, the sampling filtering sieve is pushed into the tail gas outlet by piston and carries out self-locking, then gas is emitted in high temperature gas-cooled nuclear reaction tail gas outlet, realize circulation by recirculatory pipe, the high temperature helium sieves the sampling that realizes impurity in tail gas by sampling filtering, finally by driving mechanism, pull out backward, can reach like this and drive and sample purpose easily.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the sampling section in the present invention.
reference numeral1---high temperature gas cooled reactor 2---sampling section
3---bar cover 4---spacer assembly
5---electrically operated valve 6---driving motor
7---first support bar 8---second support bar
9---seal connector 10---high temperature nitrogen pore
11---sample bucket 12---sampling filtering sieve
13---sealing-plug 14---flexible graphite sealing part
15---piston rod 16---self-locking device
17---recirculatory pipe 18---spacer sleeve
19---spring 20---divider wall
21---rack-plate.
Embodiment
Below with embodiment, the invention will be further described, is not practical range of the present invention is limited to this.
As depicted in figs. 1 and 2, a kind of high temperature gas cooled reactor exhaust sampling device, comprise high temperature gas cooled reactor 1, high temperature gas cooled reactor 1 output terminal is connected with sampling section 2, and the output terminal of described sampling section 2 is connected with bar cover 3, it is fixing by spacer assembly 4 that bar overlaps 3 left parts, bar overlaps 3 middle parts and is provided with electrically operated valve 5, is provided with an end in bar cover 3 and is connected with sampling section 2, and the other end is connected with driving motor 6, the right part of described bar cover 3 is fixing by the first support bar 7, and driving motor 6 is fixing by the second support bar 8; The present invention mainly is comprised of the two large divisions, and first is sampling section 2, and second portion is the sampling driving mechanism.Sampling section 2 is connected with high temperature gas-cooled experiment nuclear reactor tail gas (helium) outlet, in the time will realizing sampling, sampling filtering sieve 12 is pushed into the tail gas outlet by piston and carries out self-locking, then gas is emitted in high temperature gas-cooled nuclear reaction tail gas outlet, realize circulation by recirculatory pipe 17, the high temperature helium sieves 12 samplings that realize impurity in tail gas by sampling filtering, finally by driving mechanism, pull out backward, described driving mechanism adopts double safety mechanism, on the basis that adopts the rack-and-pinion transmission, can adopt again chain drive as standby.
In the present embodiment, described sampling section 2 comprises the tight connecting seat 9 be connected with high temperature gas cooled reactor 1, offer high temperature nitrogen pore 10 in tight connecting seat 9, tight connecting seat 9 right-hand members are connected with sample bucket 11, be provided with sampling filtering sieve 12 in sample bucket 11, be provided with sealing-plug 13 between sampling filtering sieve 12 and tight connecting seat 9, sampling filtering sieve 12 1 ends are inserted in sealing-plug 13, be equipped with flexible graphite sealing part 14 between sealing-plug 13 and sample bucket 11 and between sealing-plug 13 and sampling filtering sieve 12, sampling filtering sieves 12 right-hand members and connects described piston rod 15, be provided with self-locking device 16 between described sample bucket 11 tops correspondences and sampling filtering sieve 12 and piston rod 15, described sample bucket 11 belows are provided with recirculatory pipe 17 corresponding to sampling filtering sieve 12.
In the present embodiment, described spacer assembly 4 comprises spacer sleeve 18, is provided with the spring 19 that is sheathed on piston rod 15 in spacer sleeve 18, and spacer sleeve 18 is outer is provided with divider wall 20, and described driving motor 6 lower ends are provided with rack-plate 21, and driving motor 6 output terminals are provided with gear.
The above is only better embodiment of the present invention, and the equivalence of doing according to the described structure of patent claim of the present invention, feature and principle therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (4)
1. a high temperature gas cooled reactor exhaust sampling device, comprise high temperature gas cooled reactor, the high temperature gas cooled reactor output terminal is connected with the sampling section, it is characterized in that: the output terminal of described sampling section is connected with the bar cover, and bar cover left part is fixed by spacer assembly, and bar cover middle part is provided with electrically operated valve, being provided with an end in the bar cover is connected with the sampling section, the other end is connected with driving motor, and the right part of described bar cover is fixed by the first support bar, and driving motor is fixed by the second support bar.
2. a kind of high temperature gas cooled reactor exhaust sampling device according to claim 1, it is characterized in that: described sampling section comprises the tight connecting seat be connected with high temperature gas cooled reactor, offer the high temperature nitrogen pore in tight connecting seat, the tight connecting seat right-hand member is connected with sample bucket, be provided with the sampling filtering sieve in sample bucket, be provided with sealing-plug between sampling filtering sieve and tight connecting seat, sampling filtering sieves an end and is inserted in sealing-plug, be equipped with the flexible graphite sealing part between sealing-plug and sample bucket and between sealing-plug and sampling filtering sieve, sampling filtering sieve right-hand member connects described piston rod, be provided with self-locking device between described sample bucket top correspondence and sampling filtering sieve and piston rod, described sample bucket below is provided with recirculatory pipe corresponding to the sampling filtering sieve.
3. a kind of high temperature gas cooled reactor exhaust sampling device according to claim 1, it is characterized in that: described spacer assembly comprises spacer sleeve, is provided with the spring that is sheathed on piston rod in spacer sleeve, spacer sleeve is provided with divider wall outward.
4. a kind of high temperature gas cooled reactor exhaust sampling device according to claim 1, it is characterized in that: described driving motor lower end is provided with rack-plate, and the driving motor output terminal is provided with gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418422.6A CN103499472B (en) | 2013-09-16 | A kind of HTGR exhaust sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310418422.6A CN103499472B (en) | 2013-09-16 | A kind of HTGR exhaust sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103499472A true CN103499472A (en) | 2014-01-08 |
| CN103499472B CN103499472B (en) | 2016-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170496A (en) * | 2017-06-21 | 2017-09-15 | 中国核动力研究设计院 | Used by nuclear reactor gas humidity supervising device |
Citations (7)
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|---|---|---|---|---|
| GB1145509A (en) * | 1965-08-21 | 1969-03-19 | Brown Boveri Krupp Reaktor | A sampling device for taking gas samples |
| US4032395A (en) * | 1974-10-07 | 1977-06-28 | General Atomic Company | Fuel leak detection apparatus for gas cooled nuclear reactors |
| CN101040348A (en) * | 2004-10-14 | 2007-09-19 | 阿雷瓦核能有限责任公司 | Method and sampling system for the taking of a sample from the atmosphere in a reactor containment housing of a nuclear plant |
| CN201222065Y (en) * | 2008-07-16 | 2009-04-15 | 索纪文 | Continuous sampling gas analysis system and probe telescoping sampling apparatus |
| CN202393630U (en) * | 2012-01-05 | 2012-08-22 | 上海硕迪自动控制系统有限公司 | Gas sampling probe transmission mechanism |
| CN103212250A (en) * | 2013-04-24 | 2013-07-24 | 清华大学 | Combined type helium gas filtering sampling device for gas cooled reactor and installation method of device |
| CN203443821U (en) * | 2013-09-16 | 2014-02-19 | 宁波天生密封件有限公司 | High temperature gas cooled reactor tail gas sampling device |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1145509A (en) * | 1965-08-21 | 1969-03-19 | Brown Boveri Krupp Reaktor | A sampling device for taking gas samples |
| US4032395A (en) * | 1974-10-07 | 1977-06-28 | General Atomic Company | Fuel leak detection apparatus for gas cooled nuclear reactors |
| CN101040348A (en) * | 2004-10-14 | 2007-09-19 | 阿雷瓦核能有限责任公司 | Method and sampling system for the taking of a sample from the atmosphere in a reactor containment housing of a nuclear plant |
| CN201222065Y (en) * | 2008-07-16 | 2009-04-15 | 索纪文 | Continuous sampling gas analysis system and probe telescoping sampling apparatus |
| CN202393630U (en) * | 2012-01-05 | 2012-08-22 | 上海硕迪自动控制系统有限公司 | Gas sampling probe transmission mechanism |
| CN103212250A (en) * | 2013-04-24 | 2013-07-24 | 清华大学 | Combined type helium gas filtering sampling device for gas cooled reactor and installation method of device |
| CN203443821U (en) * | 2013-09-16 | 2014-02-19 | 宁波天生密封件有限公司 | High temperature gas cooled reactor tail gas sampling device |
Non-Patent Citations (2)
| Title |
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| 励行根 等: "反应堆压力容器"C"形密封环的研制", 《压力容器》 * |
| 王乐勤 等: "柔性石墨密封垫片的研究现状及发展趋势", 《流体机械》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170496A (en) * | 2017-06-21 | 2017-09-15 | 中国核动力研究设计院 | Used by nuclear reactor gas humidity supervising device |
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