CN105139904B - molecular sieve device - Google Patents
molecular sieve device Download PDFInfo
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- CN105139904B CN105139904B CN201510527917.1A CN201510527917A CN105139904B CN 105139904 B CN105139904 B CN 105139904B CN 201510527917 A CN201510527917 A CN 201510527917A CN 105139904 B CN105139904 B CN 105139904B
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- Prior art keywords
- molecular sieve
- housing
- connector
- sieve device
- temperature helium
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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 nuclear electrical field, in particular to a molecule sieve device for high-temperature gas cooled reactor sampling. The molecular sieve device, which is placed in an integrally-rectangular sampling barrel for carrying out sampling on a high-temperature helium gas, comprises a housing, an accommodating cavity formed by the housing, a gas inlet channel, and a blocking part; the molecular sieve device is placed into the sampling barrel by virtue of an executing mechanism before carrying out sampling on the high-temperature helium gas; while sampling is carried out on the high-temperature helium gas, the high-temperature helium gas released by a reactor flows through the molecular sieve device; and after sampling is carried out on the high-temperature helium gas, the molecular sieve device is separated from the sampling barrel by virtue of the executing mechanism. The molecular sieve device disclosed by the invention can allow the high-temperature helium gas of the reactor to pass through, carries out sampling on the high-temperature helium gas to obtain an environment in the reactor, so that first-hand data of radiometric level of the high-temperature gas cooled reactor can be obtained, and a radiological release property and an initial release total amount of a reactor core also can be directly deduced.
Description
Technical field
The present invention relates to nuclear power field, more particularly to a kind of molecular sieve device of HTGR sampling.
Background technology
Since the sixties in 20th century, Britain, the U.S. and Germany start to research and develop HTGR., Britain and Europe in 1964
The first in the world seat HTGR dragon (Dragon, 20MWth) heap of coenosarc cooperative construction builds up critical.Thereafter, Germany builds up
The nuclear power prototype reactor THTR-300 of the high temperature gas-cooled test reactor AVR and 300MWe of 15MWe.The experiment that the U.S. has built up 40MWe is high
Sheng Fulunbao (Fort.St.Vrain) nuclear power prototype reactor of wet cold dome peach blossom paddy (Peach-Bottom) heap and 330MWe.
The end of the year 2002, " the 4th generation of technology such as nuclear energy system international symposium " and USDOE combine and issue《The 4th generation of technology such as nuclear energy system technology road
Line chart》, have chosen including six center reactor types including very high temperature gas cooled reactor as following research emphasis.HTGR
It is a kind of internationally recognized safe heap-type, at the beginning of being an important development direction of following trap nuclear power system, 2006,《Country
Medium-term and long-term scientific and technological development planning outline》It is middle that large pressurized water reactor and HTGR Nuclear Power Plant are classified as major scientific and technological project
One of, HTGR is the nuclear power technology with generation Ⅳ security feature, and the 4th generation of technology such as nuclear energy system is considered by the world
In most possibly take the lead in realizing commercialized technology.
HTGR is the advanced heap-type with forth generation feature, due to carrying a considerable number of graphite in its cooling agent
Dust, enriched radionuclide on graphite dust is the source of HTGR radioactivity generation.If can to its carry out
Direct measurement, i.e., be the spoke of researching high-temperature HTGR equivalent to the firsthand data for having obtained HTGR radioactive level
Penetrate security feature and the firsthand material is provided, have for grasping integral radiation feature of this forth generation reactor under various operating modes
Significance.
The content of the invention
It is an object of the present invention to provide a kind of molecular sieve device, flowed through in reactor by the molecular sieve device
High temperature helium obtain the environment in reactor, and then HTGR radioactive level the firsthand data, also can be direct
Deduce core activity release characteristic and initial release total amount.
Especially, be on the whole elongated sample bucket for being positioned over the invention provides a kind of molecular sieve device
High temperature helium is sampled, the molecular sieve device includes：
It is on the whole elongated housing, with the side wall for extending along its length, the housing is along the length direction
Housing forward end and housing rear end is distributed with；
The accommodating chamber that can accommodate molecular sieve being wrapped to form by the housing；
The inlet channel communicated with the accommodating chamber of the housing forward end is arranged at, for passing through for the high temperature helium
The inlet channel enters the accommodating chamber；
It is arranged at being filled for preventing the molecular sieve from departing from the molecular sieve from the housing forward end for the housing forward end
The block piece put；And
Wherein, the molecular sieve device is set to, before being sampled to the high temperature helium, will by an executing agency
The molecular sieve device is positioned in the sample bucket；When being sampled to the high temperature helium, by the inlet channel
The high temperature helium that will be discharged by reactor is passed through in the molecular sieve device；After being sampled to the high temperature helium,
The molecular sieve device is dragged away from from the sample bucket by the executing agency.
Further, the housing is formed with：
Through the outlet passageway communicated with the accommodating chamber of the housing, when the molecular sieve is placed in the accommodating chamber
When, the outlet passageway is located at the rear side of the molecular sieve；The outlet passageway edge and length direction in the side wall
The outer surface of the side wall is extended in the direction having angle, and the outlet passageway is used for described in after the molecular sieve
High temperature helium is derived from the accommodating chamber.
Preferably, the housing is formed with：
Section be distributed on the side wall, the recessed side wall is the annular groove of arc, and the outlet passageway is formed at
In the annular groove；
The annular groove can be provided with and the outlet passageway phase by an associated seal sealing on the seal
Logical pod apertures；
It is further preferred that the quantity of the outlet passageway is multiple, the quantity of the pod apertures is one, the sealing
Space is provided between part and the pod apertures.
Further, the housing is formed with：
Location hole be distributed on the side wall, the recessed side wall, the location hole can be with associated positioning
Part is engaged the connector is locked；
Preferably, the location hole is circumferentially external is surrounded with the outer ring that part covers the location hole, the keeper tool
Have the locating slot more than the outer ring thickness, when after the housing move when the locating slot by with the outer ring and the positioning
Hole is inconsistent locked by the connector.
Further, the housing rear end is connected with the connector for being connected with the executing agency；
The connector is set to, and the front end of connector is detachably connected with the housing rear end, the rear end of connector
It is detachably connected with the executing agency, the minimum cross-section of the maximum cross section less than sample bucket of the connector, so that
The connector can be positioned in the sample bucket；
Preferably, the connector rear end is provided with screwed hole, and the executing agency can with the screwed hole by screw thread
Releasably connect.
Preferably, the connector front end sets fluted, in the molecular sieve rear end insertion groove and by spiral shell
Bolt is detachably connected with it.
Preferably, the front end of the screwed hole is in shrink mouth shape；
Preferably, the screwed hole rear end is by chamfered.
Further, the housing is formed with：
Multiple sealing rings be distributed on the side wall, the recessed side wall, the sealing ring can pass through embedded
Sealing strip is sealed with the sample bucket；
Preferably, the sealing ring is respectively positioned on the rear side of the outlet passageway；
It is further preferred that the sealing ring is respectively positioned on the connector.
It is further preferred that the annular groove, the location hole, the sealing ring are arranged in order along the length direction.
Further, the housing forward end is connected with the length direction for being sealed with the reactor
Sealing device, the sealing device includes sealed inserted piece, and the sealed inserted piece can be tightly connected with a seal receptacle；
Wherein, there is the gas passage for high temperature helium outflow, the seal receptacle is anti-with described in the seal receptacle
Heap is answered to be fixedly connected, the outlet port of the reactor is placed within the seal receptacle；Before the sealed inserted piece and the housing
End is fixedly connected, and the inlet channel is located on the sealed inserted piece；
Preferably, there is valve, the valve is set to when the valve opening, the high temperature in the gas passage
Helium enters the inlet channel by the gas passage, and when the valve is closed, the high temperature helium is by the valve
Prevent to enter the inlet channel by the gas passage.
It is further preferred that the valve is by pressure-actuated check valve, the check valve is based on the high temperature helium
Pressure the gas passage is sealed；Push rod is set on the sealed inserted piece, and the push rod is provided by external force driving
The big pressure of the high temperature helium opens the check valve.
Further, seal groove is provided with the side of the sealed inserted piece, the seal groove interior energy disposes diaphragm seal, leads to
The diaphragm seal is crossed to be tightly connected the sealed inserted piece and the seal receptacle；
Preferably, the seal receptacle is set to chamfering at sealing, and the sealed inserted piece is set to inclined-plane at sealing.
Further, the housing is generally elongated cylindric.
Preferably, the outlet passageway is along radial direction；
Preferably, the quantity of the outlet passageway is six.
Further, the housing is by the cuboid of chamfering.
Further, the molecular sieve includes the molecular sieve chamber for accommodating sieve particle, and for accommodating filtering
The filter chamber of grain.
The molecular sieve device of the invention can be taken by the high temperature helium of reactor, molecular sieve device to high temperature helium
Sample obtains the environment in reactor, and then can obtain the firsthand data of HTGR radioactive level, also can directly push away
Know core activity release characteristic and initial release total amount.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the structural representation according to one embodiment of the invention molecular sieve device；
Fig. 2 is the structural representation of molecular sieve device according to a further embodiment of the invention；
Fig. 3 is the sectional view according to one embodiment of the invention molecular sieve device；
Fig. 4 is the structural representation according to further embodiment molecular sieve device of the present invention；
Fig. 5 is the structural representation after being combined with sample bucket according to one embodiment of the invention molecular sieve device；
Fig. 6 is the A portions structure enlarged diagram according to Fig. 5；
Fig. 7 is the B portions structure enlarged diagram according to Fig. 5；
Fig. 8 is the schematic shapes of the first groove according to an embodiment of the invention and the second groove；
Fig. 9 is the schematic diagram at the extension place position of keeper according to an embodiment of the invention；
Figure 10 be according to one embodiment of the invention molecular sieve device and HTGR, through walls section, servo execution system,
The location diagram of executing agency.
Reference in figure is as follows：
0- HTGRs；
1- molecular sieve devices；
100- housings, 101- sides wall, 102- housing forward ends, 103- housing rear ends, 104- accommodating chambers, 105- inlet channels,
106- block pieces, 107- molecular sieves, 108- outlet passageways, 109- ventholes, 110- annular grooves；
111- location holes, the grooves of 111a- first, the grooves of 111b- second；
112- seals, 113- pod apertures；
114- keepers, the plugs of 114a- first, the plugs of 114b- second, 114c- locating slots；
115- outer rings, 116- connectors, 117- screwed holes, 118- grooves, 119- bolts, 120- sample buckets, 121- sealings
Ring, 122- sealing strips, 123- seal receptacles, 124- sealed inserted pieces, 125- gas passages, 126- outlet ports, 127- valves, 128-
Push rod, 129- seal grooves, 130- diaphragm seals, 131- molecular sieves chamber, 132- filter chambers；
Through walls section of 2-；
3- servo execution systems；
4- executing agencies.
Specific embodiment
The present invention provides a kind of molecular sieve device 1, and the molecular sieve device 1 can be positioned over as shown in Figure 5 on the whole in length
High temperature helium is sampled in the sample bucket 120 of shape, the molecular sieve device 1 consists essentially of housing 100, accommodating chamber
104th, inlet channel 105 and block piece 106.
Wherein, housing 100 in the convenient storage sieve particle of elongated, elongated housing 100 and filters particle on the whole, point
The molecule particles needed in son sieve particle energy absorbing high temp helium, filtering particle can be filtered to high temperature helium.Elongated shell
Body 100 has the elongated side wall 101 for extending along its length, before the housing 100 is distributed with housing along its length
End 102 and housing rear end 103.
Wherein, accommodating chamber 104 is wrapped to form by the housing 100, and accommodating chamber 104 is used to accommodate molecular sieve 107.
Wherein, inlet channel 105 is arranged at the housing forward end 102, and is communicated with the accommodating chamber 104, inlet channel
105 are used to enter the accommodating chamber 104 by the inlet channel 105 for the high temperature helium.
Wherein, block piece 106 is arranged on the housing forward end 102, and block piece 106 is used to prevent the molecular sieve 107
Depart from the molecular sieve device 1 from the housing forward end 102.In one embodiment, block piece 106 can individually part be simultaneously
It is connected with housing forward end 102, block piece 106 can also be that housing forward end 102 shrinks the necking for being formed in other embodiments.
Before being sampled to the high temperature helium, as shown in Figure 10, by executing agency 4 by the molecular sieve device 1
It is positioned in the sample bucket 120；When being sampled to the high temperature helium, the molecular sieve device 1 is flowed through by reactor
The high temperature helium of release.After being sampled to the high temperature helium, the molecular sieve is filled by the executing agency 4
1 is put to depart from from the sample bucket 120.Knowable to foregoing description, executing agency 4 provides a push-pull effort and molecular sieve device 1 exists
The side that sample bucket 120 is limited moves up.
The molecular sieve device mentioned by above-described embodiment can pass through the high temperature helium of reactor, and molecular sieve device can be right
High temperature helium is sampled to obtain the environment in reactor, and then can obtain the first-hand number of HTGR radioactive level
According to also can directly deducing core activity release characteristic and initial release total amount.
Shown in Fig. 3, to be formed through the housing 100 on the housing 100 and going out that the accommodating chamber 104 is communicated
Gas passage 108.The outlet passageway 108 has the venthole 109 being arranged on housing 100, the side wall 101 of such as housing 100
On.When the molecular sieve is placed in the accommodating chamber 104, the venthole 109 is located at the rear side of the molecular sieve 107.It is described
Outlet passageway 108 extends the outer of the side wall 101 in the side wall 101 along the direction being had angle with the length direction
Surface, the outlet passageway 108 is used to be led from the accommodating chamber 104 by the high temperature helium after the molecular sieve 107
Go out.In the embodiment shown in fig. 3, outlet passageway 108 is substantially vertical with length direction, in other embodiments, can also basis
Need for outlet passageway 108 to be set to other angles, such as with length direction into 30 degree of angle.It is significant to note that,
In this embodiment, outlet passageway 108 is used to derive high temperature helium to be cooled down, and then is led it again by other mechanisms
Enter in reactor come the level before making the air pressure in reactor try one's best to return to outlet.In Fig. 4, the quantity of outlet passageway 108
It is six, certainly can also is in other embodiments to be adjusted according to gas output or pressure dependence.In figure 3, the shell
Body 100 is generally elongated cylindric.In other embodiments can also be for example by the cuboid of chamfering, housing 100
Shape is mainly limited by the inner space of sample bucket 120.
Observation Fig. 3 is also found that on the housing 100 and is formed be distributed, the recessed side on the side wall 101
The section of wall 101 is the annular groove 110 of arc, the outlet passageway 108 be formed at the annular groove 110 where side wall 101 in simultaneously
Connect with annular groove 110.The annular groove 110 can be sealed by an associated seal 112 as shown in Figure 5, the seal
The pod apertures 113 communicated with the outlet passageway 108 are provided with 112.When sealed, the seal 112 and the water conservancy diversion
Space is provided between hole 113, such high temperature helium is entered into the space discharges by pod apertures 113 again.
As shown in figure 4, the quantity of the outlet passageway 108 is six, in other embodiments can also be according to outlet
Need to be set to other quantity.It is so convenient that a pressure mechanism is only set by high temperature helium and the quantity of pod apertures 113 is one
Gas is imported in reactor again.
As Figure 1-Figure 5, the housing rear end 103 is connected with the connector for being connected with the executing agency 4
116, the setting of connector 116 is convenient for changing the housing 100 after sampling, and ensures manufacture connector 116 respectively and housing 100
When axiality.The connector 116 is essentially identical with the cross section of the molecular sieve device 1, the generally cylinder of connector 116
Shape, when housing 100 is overall cylindrical, connector 116 has essentially identical diameter with housing 100.Before connector 116
End is detachably connected with the housing rear end 103, and the rear end of connector 116 is detachably connected with the executing agency 4, this
It is that this part is generally metal therefore weight is larger because push-and-pull housing 100 is carried out in the part that executing agency 4 needs offer more long, if
It is positioned in sample bucket 120 and very big burden is necessarily caused to it, so after molecular sieve device 1 is positioned over into sample bucket 120,
The part needs to depart from molecular sieve replacement device 1.Connector 116 can be produced as a single part is present, and
Need not be fixedly connected in housing 100 and executing agency 4.Connector 116 is used to be connected with executing agency 4 and housing rear end 103
Molecular sieve device 1 is positioned in sample bucket 120 or the taking-up from sample bucket 120.Therefore, the front end of the connector 116 sets
Groove 118 is equipped with, it is in the rear end of the molecular sieve 107 insertion groove 118 and detachably connected with it by bolt 119.
Other can certainly be selected can fix both and can bear the structure of axial weight, and the front end of such as connector 116 is set
Insertion portion inserts the recessed portion that the rear end of housing 100 is set, and is fixed by bolt 119.Housing 100 insert Fig. 3 and
In the connector 116 that Fig. 5 is provided, during housing 100 and executing agency 4 are transferred to sample bucket 120 by executing agency 4,
The structure of the groove 118 of the rear end extension insertion connector 116 of housing 100 can hold housing 100, the entirety of connector 116
By itself larger weight is lived, while overall diameter will not be increased, conveniently it is positioned in sample bucket 120, and bolt 119 then can
Prevent housing 100 circumferentially displaced with connector 116.
In a simple embodiment, connector 116 can be any shape, as long as can be in sample bucket 120.
Because connector 116 needs to be positioned in sample bucket 120, the maximum cross section of connector 116 is designed as less than sample bucket 120
Minimum cross-section.Because sample bucket 120 is more long, it is contemplated that sealing and manufacture difficulty are integrally formed so trying one's best, straight shown in Fig. 2
Tubular is relatively rational selection, and now in order to seal, to need connector 116 to be designed as cylindric, and needs connector to seal
Internal diameter of 116 external diameter substantially with sample bucket 120 is identical, improves sealing property.Due to connector 116 external diameter substantially with take
The internal diameter of sample bucket 120 is identical, in order that housing 100 smoothly enters in sample bucket 120, as Figure 1-Figure 4, hereinafter described close
Envelope plug-in unit 124 sets with the junction of housing 100 and be set to inclined-plane at the sealing of chamfering, sealed inserted piece 124 with seal receptacle 123.
As shown in Figure 3 and Figure 5, the rear end of the connector 116 is provided with screwed hole 117, and the executing agency 4 passes through screw thread
It is detachably connected with the screwed hole 117.Preferably, the front end of the screwed hole 117 is in shrink mouth shape.Preferably, the spiral shell
The rear end of pit 117 is by chamfered.The front end of the connector 116 sets fluted 118, the rear end of the molecular sieve 107
Insert in the groove 118 and detachably connected with it by bolt 119.It should be noted that above-mentioned detachably connected
Including buckle or screw thread, the present invention preferably screw thread, this be because executing agency 4 is needed through sample bucket 120 more long, so
Executing agency 4 needs have part more long, and threaded connection is more reliable and stable, and serious forgiveness is higher.
In Fig. 3 and embodiment illustrated in fig. 5, the front end of the screwed hole 117 is in shrink mouth shape.The rear end of the screwed hole 117
By chamfered, so facilitate executing agency 4 agonic into the screwed hole 117, improve the reliability of connection.
Multiple sealing rings be distributed on the side wall 101, the recessed side wall 101 are formed with the housing 100
121, the sealing ring 121 can pass through embedded sealing strip 122 and be sealed with the sample bucket 120.Preferably, the sealing ring
121 are distributed in the front-end and back-end of the connector 116 to realize double sealing respectively.In Fig. 1-Fig. 5, sealing strip 122 is equal
In having been embedded in sealing ring 121.
Preferably, the sealing ring 121 is respectively positioned on the rear side of the outlet passageway 108, so no matter above whether gas leakage,
High temperature helium will not be spilt into air by sealing ring 121.In one embodiment, the sealing ring 121 is respectively positioned on
On the connector 116, high temperature helium is siphoned away by setting getter device at pod apertures 113 now.Such as Fig. 1 institutes
Show, the annular groove 110, the location hole 111, the sealing ring 121 are arranged in order along the length direction, and location hole
111 position between two groups of sealing rings 121.
The application method of connector 116, comprises the following steps：
S1, before the molecular sieve device 1 is sampled to high temperature helium, the connector 116 is filled with the molecular sieve
1 is put to be connected；
S2, the executing agency 4 is connected with the connector 116, and now executing agency 4 performs screw to be connected to
Screwed hole 117；
Be positioned in the sample bucket 120 for the molecular sieve device 1 and the connector 116 by S3, executing agency 4；
S4, after the molecular sieve device 1 is by fixation, the executing agency 4 departs from the connector 116；
S5, after 1 pair of high temperature helium of the molecular sieve device is sampled, the executing agency 4 and the connection
Device 116 is connected；
S6, executing agency 4 drags the molecular sieve device 1 and the connector 116 away from from the sample bucket 120；
S7, the connector 116 is departed from the molecular sieve device 1.
From above-mentioned steps as can be seen that in sampling process, connector 116 is connected with housing rear end 103 all the time.In sampling
After the completion of, the housing 100 that can remove bolt 119 more to renew is connected with connector 116.
Connector of the invention and application method, molecular sieve device can be removed using after finishing from connector,
Re-replace by new molecular sieve device again to high temperature cold air to sampling and measuring, because connector can be recycled, subtract
Measurement cost is lacked.Further, because molecular sieve device and connector are detachable design, so seal and positioning function
Can just set as much as possible on the connectors, reduce as loss material molecular sieve device design cost and be produced into
This, further reduces measurement cost.
Referring to Fig. 7-Fig. 9, the present invention also provides a kind of execution locking mechanism, and performing locking mechanism includes：
Location hole 111, axial directional distribution, the side wall of the recessed connector 116 in the connector 116 shown in Fig. 3
In 101.
Keeper 114, with extension as shown in Figure 9, the extension can stretch into the location hole 111 shown in Fig. 8
In will the connector 116 it is locked and depart from and unlock the connector 116 in the location hole.So, in sampling
Performing locking mechanism can just be fixed in sample bucket 120 molecular sieve device 1, and take off molecular sieve device 1 after the completion of sampling
From sample bucket 120.In one embodiment, the keeper 114 is for pneumatically actuated, the keeper 114 activated and in Fig. 3
The radial direction movement of the shown connector 116 is stretched into or removes the location hole 111, and keeper 114 with take
Sample bucket 120 is fixedly connected fixed part when being used as its movement.
In Fig. 7-embodiment illustrated in fig. 9, there is the location hole 111 axial direction in the connector 116 to extend
The first groove 111a and the second groove 111b, the keeper 114 have it is essentially identical with the first groove 111a width
The first plug 114a and the second plug 114b essentially identical with second recess width.The first groove 111a is located at
The lower section of the second groove 111b, the first plug 114a is located at the lower section of the second plug 114b, and described second
Width of the width of groove 111b more than the first groove 111a.When the extension of the keeper 114 stretches into institute
When stating location hole 111, the first plug 114a is carried out the connector 116 in inserting the first groove 111a
Axially locked, the second plug 114b is carried out further the connector 116 in inserting the second groove 111b
It is axially locked.Certainly, in other embodiments, it is also possible to which the first groove 111a and the first plug 114a or the second groove are only set
111b and the second plug 114b.
As shown in fig. 7, the circumferentially external of the location hole 111 is surrounded with the outer ring that part covers the location hole 111
115, preceding extreme direction of the outer ring 115 near the location hole 111.The outer ring 115 is fixedly connected on housing 100.Institute
Stating keeper 114 has the locating slot 114c for being used for accommodating the outer ring 115.When the extension of the keeper 114
When stretching into the location hole 111, the outer ring 115 is placed in the locating slot 114c connector 116 is radially locked.
Especially, the location hole 111 has the displaced segments for the keeper 114 axial movement, the keeper 114
Move to make the outer ring 115 be placed in the locating slot 114c or depart from it in the displaced segments.For example, the displacement can
To be provided by the elastic mechanism for being arranged in connector 116.
The quantity of the location hole 111 is multiple, and each location hole 111 is circumferentially distributed in the connector 116
On the wall of side, the quantity of the keeper 114 is one.In a preferred embodiment, each location hole 111 is in the connection
It is circumferentially distributed on the side wall of device 116.
It should be noted that connector 116 and molecular sieve device 1 can perform locking mechanism comprising locking mechanism is performed
Can also exist as an isolated system, thus execution locking mechanism of the invention can be used for carrying out device it is locked solid
It is fixed, exist as a part for connector 116 and molecular sieve device 1 without being confined to.
Referring to Fig. 5 and Fig. 6, the housing forward end 102 is connected with the length direction for entering with the reactor
The sealing device of row sealing, the sealing device is including seal receptacle 123 in one embodiment and can seal against the close of connection
Envelope plug-in unit 124, the sealing device only includes sealed inserted piece 124 in another embodiment, and seal receptacle 123 is used as cooperation
Part departs from sealed inserted piece 124 and exists.Wherein, there is the gas for high temperature helium outflow to lead in the seal receptacle 123
Road 125, the seal receptacle 123 is fixedly connected with the reactor, and the outlet port 126 of the reactor is placed in the seal receptacle
Within 123；The sealed inserted piece 124 is fixedly connected with the housing forward end 102, and the inlet channel 105 is located at the sealing
On plug-in unit 124.By this set, high temperature helium is only capable of entering accommodating chamber 104 by inlet channel 105 as shown in Figure 2.
In one preferred embodiment, seal groove is provided with the side of the sealed inserted piece 124, the seal groove interior energy disposes diaphragm seal
130, the sealed inserted piece 124 and the seal receptacle 123 are tightly connected by the diaphragm seal 130.
In fig. 5 and fig., there is valve 127, the valve 127 is set to when the valve in the gas passage 125
During 127 unlatching, the high temperature helium is by the gas passage 125, when the valve 127 is closed, the high temperature helium quilt
The valve 127 tentatively prevents to enter in sample bucket 120, air or molecular sieve device 1 by the gas passage 125, sealing
Piece 130 further prevents the high temperature helium from passing through the gas passage with the combination of sealed inserted piece 124 and seal receptacle 123
125 enter in the sample bucket 120, air or molecular sieve device 1.For example, the valve 127 is by pressure-actuated unidirectional
Valve, pressure of the check valve based on the high temperature helium seals the gas passage 125；On the sealed inserted piece 124
Push rod 128 is set, and the push rod 128 is used to provide opens the check valve more than the pressure of the high temperature helium, push rod
128 pressure can be provided by executing agency 4, and substituted by keeper 114 and carried out above-mentioned locked.Or, only by wrapping
Component containing connector 116 in the interior gravity of itself of molecular sieve device 1 is provided, and is substituted and carried out above-mentioned by keeper 114
It is locked.
By being specifically designed ground, the seal receptacle 123 is set to chamfering at sealing, and the sealed inserted piece 124 is in sealing
Place is set to inclined-plane, is so conducive to seal receptacle 123 and sealed inserted piece 124 to seal.It is significant to note that, even if seal receptacle
123 and sealed inserted piece 124 it is poorly sealed, at pod apertures 113 set getter device high temperature helium can be siphoned away, sealing ring 121
With the cooperation of sealing strip 122, in warm helium is not spilt into air.
As shown in figure 3, molecular sieve of the present invention 107 includes the molecular sieve chamber 131 for accommodating sieve particle, and
Filter chamber 132 for accommodating filtering particle.In figure 3, there are a filter chamber 132, molecular sieve chamber before and after molecular sieve chamber 131
The stomata passed through for high temperature helium is provided between 131 and filter chamber 132.
One or more molecular sieve devices 1 that the present invention also provides a kind of the various embodiments described above combination and formed.
Molecular sieve replacement device 1 of the invention is the direct measurement equipment to reactor, and molecular sieve of the invention substitutes dress
Put 1 direct sample that can be used in reactor, it is contemplated that can be opened up on housing 100 one for example with molecular sieve
The through hole that chamber 131 communicates, reactor internal environment is released by sampler, and also this kind of product is not carried out in the world at present
Research.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (22)
1. a kind of molecular sieve device (1), is carried out in elongated sample bucket (120) to high temperature helium on the whole for being positioned over
Sampling, the molecular sieve device (1) includes：
It is on the whole elongated housing (100), with the side wall (101) for extending along its length, the housing (100) is along institute
State length direction and housing forward end (102) and housing rear end (103) is distributed with；
The accommodating chamber (104) that can accommodate molecular sieve (107) being wrapped to form by the housing (100)；
The inlet channel (105) communicated with the accommodating chamber (104) of the housing forward end (102) is arranged at, for for described
High temperature helium enters the accommodating chamber (104) by the inlet channel (105)；
Be arranged at the housing forward end (102) for prevent the molecular sieve (107) from the housing forward end (102) depart from institute
State the block piece (106) of molecular sieve device (1)；
Wherein, the molecular sieve device (1) is set to, before being sampled to the high temperature helium, by an executing agency (4)
The molecular sieve device (1) is positioned in the sample bucket (120)；When being sampled to the high temperature helium, by institute
The high temperature helium that inlet channel (105) will discharge by reactor is stated to be passed through in the molecular sieve device (1)；When to the height
After warm helium is sampled, the molecular sieve device (1) is dragged away from from the sample bucket (120) by the executing agency (4)；
The housing forward end (102) is connected with the length direction and is filled for the sealing sealed with the reactor
Put, the sealing device includes sealed inserted piece (124), the sealed inserted piece (124) can be tightly connected with a seal receptacle (123)；
Wherein, there is the gas passage (125) for high temperature helium outflow, the seal receptacle in the seal receptacle (123)
(123) it is fixedly connected with the reactor, the outlet port (126) of the reactor is placed within the seal receptacle (123)；Institute
State sealed inserted piece (124) to be fixedly connected with the housing forward end (102), the inlet channel (105) is positioned at the sealed inserted piece
(124) on.
2. molecular sieve device (1) according to claim 1, wherein, the housing (100) is formed with：
Through the outlet passageway (108) communicated with the accommodating chamber (104) of the housing (100), when the molecular sieve is placed in
During accommodating chamber (104), rear side of the outlet passageway (108) positioned at the molecular sieve (107)；The outlet passageway
(108) appearance of the side wall (101) is extended along the direction being had angle with the length direction in the side wall (101)
Face, the outlet passageway (108) is for will be by the high temperature helium after the molecular sieve (107) from the accommodating chamber
(104) derive.
3. molecular sieve device (1) according to claim 2, wherein, it is formed with the housing (100)：
Section be distributed on the side wall (101), the recessed side wall (101) is the annular groove (110) of arc, the outlet
Passage (108) be formed at the annular groove (110) where side wall (101) in；
The annular groove (110) can be provided with and institute by associated seal (112) sealing on the seal (112)
State the pod apertures (113) that outlet passageway (108) is communicated.
4. molecular sieve device (1) according to claim 3, wherein, the seal (112) and the pod apertures (113)
Between be provided with space.
5. molecular sieve device (1) according to claim 3, wherein, the quantity of the outlet passageway (108) is multiple, institute
The quantity for stating pod apertures (113) is one.
6. molecular sieve device (1) according to claim 1, wherein, the housing rear end (103) be connected with for it is described
The connector (116) of executing agency (4) connection；The front end of the connector (116) is with the housing rear end (103) removably
Connection, the rear end of the connector (116) is detachably connected with the executing agency (4), the maximum of the connector (116)
Cross section is less than the minimum cross-section of sample bucket (120), so that the connector (116) can be positioned over the sample bucket (120)
In.
7. molecular sieve device (1) according to claim 6, wherein,
The rear end of the connector (116) is provided with screwed hole (117), and the executing agency (4) is by screw thread and the screw thread
Hole (117) is detachably connected.
8. molecular sieve device (1) according to claim 6, wherein,
Connector (116) front end sets fluted (118), and the groove (118) is inserted in the rear end of the molecular sieve (107)
In and by bolt (119) it is detachably connected with it.
9. molecular sieve device (1) according to claim 7, wherein,
The front end of the screwed hole (117) is in shrink mouth shape.
10. molecular sieve device (1) according to claim 7, wherein,
The rear end of the screwed hole (117) is by chamfered.
11. molecular sieve devices (1) according to claim 6, wherein, the housing (100) is formed with：
Location hole (111) be distributed on the side wall (101), the recessed side wall (101), location hole (111) energy
It is engaged with associated keeper (114) connector (116) is locked.
12. molecular sieve devices (1) according to claim 11, wherein, the location hole (111) is circumferentially external to be surrounded with portion
Divide the outer ring (115) of the covering location hole (111), the keeper (114) is with determining more than the outer ring (115) thickness
Position groove, when the housing (100) is moved afterwards, the locating slot offsets by with the outer ring (115) and the location hole (111)
Touch that the connector (116) is locked.
13. molecular sieve devices (1) according to claim 11, wherein, the quantity of the location hole (111) is multiple,
It is circumferentially distributed on the side wall of the connector (116), the quantity of the keeper (114) is one.
14. molecular sieve devices (1) according to claim 11, wherein, the connector (116) is generally cylindric.
15. molecular sieve devices (1) according to claim 6, wherein, multiple sealings are distributed with the connector (116)
Ring (121), the sealing ring (121) can pass through embedded sealing strip (122) and be sealed with the sample bucket (120).
16. molecular sieve devices (1) according to claim 1, wherein,
There is valve (127), the valve (127) is set to be opened when the valve (127) in the gas passage (125)
When, the high temperature helium enters the inlet channel (105) by the gas passage (125), when the valve (127) is closed
When, the high temperature helium is prevented to enter the inlet channel (105) by the gas passage (125) by the valve (127).
17. molecular sieve devices (1) according to claim 16, wherein,
The valve (127) is that by pressure-actuated check valve, pressure of the check valve based on the high temperature helium is come by institute
State gas passage (125) sealing；Push rod (128) is set on the sealed inserted piece (124), and the push rod (128) is driven by external force
The check valve is opened to provide the high temperature helium big pressure.
18. molecular sieve devices (1) according to claim 1, wherein,
Seal groove is provided with the side of the sealed inserted piece (124), the seal groove interior energy disposes diaphragm seal (130), passes through
Be tightly connected for the sealed inserted piece (124) and the seal receptacle (123) by the diaphragm seal (130).
19. molecular sieve devices (1) according to claim 1, wherein,
The seal receptacle (123) is set to chamfering at sealing, and the sealed inserted piece (124) is set to inclined-plane at sealing.
20. molecular sieve devices (1) according to claim 1, wherein,
Generally elongated cylindric of the housing (100).
21. molecular sieve devices (1) according to claim 1, wherein,
The housing (100) is by the cuboid of chamfering.
22. molecular sieve device (1) according to claim 1, wherein,
The molecular sieve (107) includes the molecular sieve chamber (131) for accommodating sieve particle, and for accommodating filtering particle
Filter chamber (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527917.1A CN105139904B (en) | 2015-08-25 | 2015-08-25 | molecular sieve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527917.1A CN105139904B (en) | 2015-08-25 | 2015-08-25 | molecular sieve device |
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| Publication Number | Publication Date |
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| CN105139904A CN105139904A (en) | 2015-12-09 |
| CN105139904B true CN105139904B (en) | 2017-05-17 |
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| CN101941684A (en) * | 2009-07-10 | 2011-01-12 | 琳德股份公司 | Helium purifying method |
| CN103212250B (en) * | 2013-04-24 | 2015-02-18 | 清华大学 | Combined type helium gas filtering sampling device for gas cooled reactor and installation method of device |
| CN103310857B (en) * | 2013-05-20 | 2015-10-28 | 清华大学 | Analyze the device and method of graphite dust resuspension rule in high temperature nuclear reactor cut accident |
| CN204926804U (en) * | 2015-08-25 | 2015-12-30 | 天鼎联创密封技术（北京）有限公司 | Molecular sieve device |
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