CN114496323A - Purification device for reactor - Google Patents

Purification device for reactor Download PDF

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Publication number
CN114496323A
CN114496323A CN202111462964.4A CN202111462964A CN114496323A CN 114496323 A CN114496323 A CN 114496323A CN 202111462964 A CN202111462964 A CN 202111462964A CN 114496323 A CN114496323 A CN 114496323A
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CN
China
Prior art keywords
coolant
reactor
trap
purification apparatus
impurities
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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
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CN202111462964.4A
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Chinese (zh)
Inventor
董静雅
秦博
王密
周寅鹏
冯策
张骁
贾云腾
王荣东
龙斌
张金山
杨红义
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China Institute of Atomic of Energy
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China Institute of Atomic of Energy
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Publication date
Application filed by China Institute of Atomic of Energy filed Critical China Institute of Atomic of Energy
Priority to CN202111462964.4A priority Critical patent/CN114496323A/en
Publication of CN114496323A publication Critical patent/CN114496323A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
    • G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
    • G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
    • G21C19/307—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids
    • G21C19/31—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps specially adapted for liquids for molten metals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/05—Floating filters
    • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The embodiment of the invention discloses a purification device for a reactor, wherein a coolant is arranged in the reactor, and the purification device comprises: a body disposed in the coolant; a trap portion provided to the body, the trap portion being provided to be movable axially along the body to flow the coolant into the body for trapping impurities within the coolant; a filter part provided to the body, the coolant flowing into the filter part via the trap part, the filter part for filtering the coolant to purify impurities within the coolant. The purification device can capture and purify impurities floating on the free liquid level of the coolant, so that the impurities in the coolant are collected and captured more fully, the capture efficiency is improved, and the purification efficiency is further improved.

Description

Purification device for reactor
Technical Field
The embodiment of the invention relates to the technical field of reactors, in particular to a purification device for a reactor.
Background
The reactor adopting the liquid metal as the coolant has the advantages of simple and compact structure, strong safety and the like, but when the reactor is in operation, impurities such as corrosion products, fission products and the like can be generated in the liquid metal coolant, the impurities float on the liquid level of the coolant due to the density difference between the coolant and the impurities, and the impurities cannot be stirred with the coolant in the flowing process of the coolant, so that the impurities are continuously accumulated on the free liquid level of the coolant, and the heat transfer effect of the coolant is influenced.
Disclosure of Invention
In view of the above, the present invention has been made to provide a purification apparatus for a reactor that overcomes or at least partially solves the above problems.
A first aspect of embodiments of the present invention provides a purification apparatus for a reactor in which a coolant is provided, the purification apparatus comprising: a body disposed in the coolant; a trap portion provided to the body, the trap portion being provided to be movable axially along the body to flow the coolant into the body for trapping impurities within the coolant; a filter part provided to the body, the coolant flowing into the filter part via the trap part, the filter part for filtering the coolant to purify impurities within the coolant.
A second aspect of an embodiment of the present invention provides a reactor having a coolant disposed therein, including: a first aspect of embodiments of the present invention provides a purification apparatus for a reactor, the purification apparatus being disposed in the coolant.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and may assist in a comprehensive understanding of the invention.
FIG. 1 is a schematic structural view of a purification apparatus for a reactor provided according to an embodiment of the present invention;
FIG. 2 is a partial schematic structural view of a trap part of the purification apparatus for a reactor provided according to FIG. 1;
fig. 3 is a schematic view of a state of use of a trap part of a purification apparatus for a reactor provided according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the purification apparatus for a reactor provided according to FIG. 3;
fig. 5 is a schematic view of a state of use of a purification apparatus for a reactor provided according to an embodiment of the present invention.
It should be noted that the figures are not drawn to scale and that elements of similar structure or function are generally represented by like reference numerals throughout the figures for illustrative purposes. It should also be noted that the drawings are only for the purpose of illustrating preferred embodiments and are not intended to limit the invention itself. The drawings do not show every aspect of the described embodiments and do not limit the scope of the invention.
In the figure, 10 is a main body, 20 is a capturing part, 21 is a capturing port, 22 is a positioning part, 30 is a filtering part, 31 is a magnetic part, 32 is a net-shaped part, 33 is porous alumina, 40 is a limiting part, 41 is a first limiting part, 42 is a second limiting part, 50 is a sealing part, 60 is a circulating part, and 70 is a bottom plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention. It should be apparent that the described embodiment is one embodiment of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs.
The embodiment of the invention provides a purification device for a reactor, wherein a coolant is arranged in the reactor, the coolant is a medium for cooling a reactor core of the reactor and taking heat released by the reactor core out of the reactor, and the purification device is arranged in the coolant and can be used for purifying impurities in the coolant.
In the embodiment of the invention, the coolant in the reactor can be liquid metal, and the liquid metal coolant has the characteristics of low melting point, high boiling point, large specific heat capacity and good heat conductivity, and has fluidity at normal temperature, and can be liquid metal sodium or liquid lead-bismuth alloy, for example.
Since liquid metal can be corrosive to the metal material directly exposed thereto. Therefore, in the operation process of the reactor adopting liquid metal as the coolant, impurities such as corrosion products, fission products and the like can be generated in the liquid metal coolant, the impurities float above the liquid level of the reactor coolant due to the density difference between the coolant and the impurities, the continuously accumulated floating impurities can destroy the oxygen balance of the gas-liquid interface of the reactor, and meanwhile, the safety of the reactor, the heat transfer of the reactor and all devices in the reactor can be adversely affected. Particularly, when a lead bismuth alloy is selected as a coolant, the corrosion of the lead bismuth alloy to equipment in a reactor can seriously shorten the service life of a structural material, and the accumulation and mass migration of corrosion products easily cause the blockage of a pipeline or an equipment cold spot, thereby seriously harming the safe operation of the reactor.
In the embodiment of the invention, the reactor can be a pool reactor, the pool reactor can be selected to reduce the release of polonium in the reactor and reduce the volume and the manufacturing cost, and the purification device is arranged in the coolant, thereby realizing the purification of the coolant. In the process of driving the coolant to flow by a power pump in the reactor, the impurities and the coolant cannot be stirred, so that the continuously accumulated impurities are gathered at the free liquid level of the coolant to influence the heat transfer effect of the coolant.
Fig. 1 is a schematic structural view of a purification apparatus for a reactor provided according to an embodiment of the present invention, referring to fig. 1, the purification apparatus including: a body 10, the body 10 being disposed in the coolant; a trap part 20, the trap part 20 being provided to the body 10, the trap part 20 being provided to be movable in an axial direction of the body 10 to flow the coolant into the body 10 for trapping foreign substances within the coolant; those skilled in the art will understand that the capturing part 20 is provided to be axially movable along the body 10, which means that the capturing part 20 is movable in the longitudinal direction of the body 10, i.e., up and down; and a filter part 30, the filter part 30 being provided to the body 10, the coolant flowing into the filter part 30 through the trap part 20, the filter part 30 filtering the coolant to purify impurities in the coolant. The purification device for the reactor provided by the embodiment of the invention can realize the capture and purification of impurities at the free liquid level of the coolant, thereby maintaining the stable fluid dynamics and heat transfer characteristics of the coolant and ensuring the safe operation of the reactor.
Alternatively, the body 10 may be a vertical cylindrical container.
In an embodiment of the present invention, a gap may be provided between the body 10 and the trap 20 to enable the trap 20 to move axially along the body 10 at the gap.
Alternatively, the capturing part 20 may be provided as a ring-shaped member, the capturing part 20 is sleeved on the body 10 and can move axially along the body 10, the inner diameter of the capturing part 20 may be determined by the diameter of the body 10, and specifically, the capturing part 20 may be a circular ring. In other embodiments, the capture portion 20 may be provided in other shapes.
In an embodiment of the invention, the trap 20 is arranged to float in the coolant and to move axially along the body 10 at the gap.
Fig. 2 is a partial schematic structural view of a trap part of the purification apparatus for a reactor provided according to fig. 1, and referring to fig. 2, a trap part 20 includes: a trap port 21, the trap port 21 being provided at the free liquid surface of the coolant to trap impurities floating at the free liquid surface of the coolant. Since the capture port 21 is disposed on the capture portion 20, the capture port 21 can move axially along the body 10 along with the axial movement of the capture portion 20 along the body 10, so that the capture port 21 can be located at the free liquid level of the coolant, impurities at the free liquid level of the coolant enter the purification device along with the coolant, and the efficiency of capturing the impurities is improved.
Specifically, during the flowing process of the coolant, as will be understood by those skilled in the art, the free liquid level of the coolant fluctuates up and down along with the flowing of the coolant, the capture portion 20 is configured to be capable of moving along the axial direction of the purification apparatus, so that the capture port 21 can be even with the free liquid level of the coolant even during the flowing process of the coolant, that is, the capture port 21 can be located at the free liquid level of the coolant during the flowing process of the coolant, thereby capturing impurities floating at the free liquid level of the coolant, so that the coolant and/or impurities in the coolant can sufficiently enter the purification apparatus, the capture efficiency of the impurities at the free liquid level of the coolant and in the coolant is improved, and further, the purification of the coolant is completed, and the purification efficiency is improved.
Alternatively, the position of the trap port 21 on the trap portion 20 may be determined by mechanical calculation so that the free liquid level of the coolant is level with the trap port 21 at rest and/or at the time of flowing, and the free liquid level of the coolant does not fluctuate up and down at rest, and is at a fixed horizontal position. In other embodiments, a person skilled in the art can set the position of the capturing port 21 on the capturing part 20 according to the actual situation.
In an embodiment of the invention, the distance that the trap 20 is movable in the axial direction of the body 10 may be determined by the fluctuation range of the free liquid level of the coolant, so that the trap port 21 can be located at the free liquid level of the coolant also during the flow of the coolant, i.e., during the fluctuation of the free liquid level.
In some embodiments, the trap 20 may also be fixedly arranged with the body 10, and the trap port 21 is arranged to be axially movable on the trap 20 to achieve that the trap port 21 is always located at the free liquid level of the coolant, thereby trapping impurities at the free liquid level of the coolant. However, in this arrangement, the distance of the axial movement of the capture port 21 is affected by the length of the capture portion 20, that is, the distance of the axial movement of the capture port 21 is limited.
In some embodiments, a cover (not shown) may be disposed at the capture port 21, and the cover may be configured in a scaly shape to allow a unidirectional flow of the coolant at the capture port 21, preventing the flow of unpurified coolant from the capture port 21. Specifically, the capture port 21 may be disposed in the capture portion 20, and a side of the capture port 21 close to the body 10 may be provided with a scale-shaped cover, so that the coolant can only flow into the purification device from the reactor in one direction, thereby further improving the purification efficiency.
In an embodiment of the present invention, the capturing portion 20 further includes: and at least one positioning part 22, the positioning part 22 being provided to the trap part 20 for preventing the trap part 20 from being displaced by the impact of the coolant. It will be understood by those skilled in the art that the captured portion 20 is impacted during the flow of the coolant, the impact of the coolant causes the captured portion 20 to be displaced, and the positioning portion 22 may be used to position the captured portion 20 to prevent the captured portion 20 from being displaced by the impact of the coolant.
In some embodiments, one positioning portion 22 may be provided, and the positioning portion 22 may be provided at one side of the trap portion 20. In other embodiments, two positioning portions 22 may be provided, and the positioning portions 22 may be provided on both sides of the trap portion 20, to improve the effect of positioning the trap portion 20, and further prevent the trap portion 20 from being displaced by the impact of the coolant. One skilled in the art can arrange one or more positioning portions 22 on the capturing portion 20 according to the actual requirement to realize the positioning of the capturing portion 20.
Alternatively, the positioning portion 22 may be a positioning piece, and may be provided in other shapes.
In the embodiment of the present invention, a gap is provided between the positioning portion 22 and the body 10, so that the trap portion 20 can move in the axial direction of the body 10, and the positioning portion 22 can be prevented from damaging the body 10.
In the embodiment of the present invention, the filter portion 30 includes: the magnetic member 31, the magnetic member 31 is disposed on the body 10 for adsorbing magnetic impurities in the coolant. Alternatively, the magnetic member 31 may be a magnetic rod.
In an embodiment of the present invention, the magnetic member 31 may be a permanent magnet capable of maintaining a constant magnetic property upon magnetization, such as a neodymium iron boron magnet.
In the embodiment of the present invention, a stainless steel protective sleeve may be disposed on the surface of the magnetic member 31 to effectively protect the magnetic member 31 from being damaged, and optionally, the stainless steel protective sleeve may be 316L stainless steel, which has strong corrosion resistance and can effectively protect the magnetic member 31 from being corroded. In other embodiments, a gold layer, a nickel layer or a zinc layer may be electroplated on the surface of the magnetic member 31 to prevent the magnetic member 31 from being corroded. In other embodiments, an epoxy resin may be sprayed on the surface of the magnetic member 31 to protect the magnetic member 31 from corrosion. The surface treatment method for the magnetic member 31 may be phosphorization, electrophoresis, vacuum vapor deposition, etc., which are well known to those skilled in the art and will not be described herein.
In the embodiment of the present invention, the magnetic members 31 may be transversely staggered, and this arrangement method may increase the contact area between the magnetic members 31 and the coolant, thereby sufficiently adsorbing the magnetic impurities in the coolant and improving the purification efficiency.
In an embodiment of the present invention, the filter portion 30 further includes: and a mesh 32, the mesh 32 being provided to the body 10 for filtering foreign substances in the coolant. In an embodiment of the present invention, the mesh 32 may be a mesh of different packing densities. The mesh 32 may be used to filter liquids and support filter cakes, which refer to solid matter contained in the stock solution that remains on the mesh 32 after the liquid passes through the mesh 32. The mesh 32 may employ a fabric media, a packing media, a porous solid media, and the like. The fabric medium is a net woven by glass fibers, metal wires or fibers, and the minimum diameter of the medium capable of intercepting particles is 5-6 mu m; the stacking medium is formed by stacking different types of solid particles and can be used for deep filtration; the porous solid medium is a solid material with a plurality of micropores, and can be used for filtering fine particles with the diameter of 1-3 mu m. In an embodiment of the present invention, the mesh 32 is filtered using a wire mesh. The wire mesh packing density may be selected based on reactor impurity levels. Alternatively, the mesh 32 may comprise multiple layers of mesh, each layer of mesh having the same or different packing density, in such a way as to filter floating contaminants of different densities. For example, the mesh 32 may include a first portion and a second portion, the first portion includes multiple layers of mesh, the second portion includes multiple layers of mesh, the first portion includes each layer of mesh having the same packing density, the second portion includes each layer of mesh having the same packing density, and the first portion includes mesh having different packing densities than the second portion, which may more fully filter floating impurities in the lead bismuth alloy coolant. Alternatively, the mesh 32 may include first, second, and third portions, each of which may include a different mesh packing density. In other embodiments, the mesh 32 may employ other filter media. Alternatively, different filter media may be used for the mesh 32. For example, the mesh 32 may include a first portion, which may be a wire mesh, and a second portion, which may be a packing media, which may filter contaminant particles of different diameters in the lead bismuth alloy coolant. The type of mesh 32 can be selected by those skilled in the art to achieve a better filtering effect, depending on the actual situation.
In the embodiment of the present invention, the mesh 32 is provided to be completely filled in the body 10, for increasing a contact area of the mesh 32 with the coolant, thereby sufficiently filtering impurities in the coolant.
In the embodiment of the present invention, the magnetic member 31 is disposed above the mesh member 32, and this arrangement makes the coolant entering the body 10 sequentially pass through the magnetic member 31 and the mesh member 32, so that the magnetic impurities adsorbed by the magnetic member 31 can fall on the mesh member 32, and the problem that the magnetic impurities cannot be adsorbed due to the poor adsorption force of the magnetic member 31 can be prevented, and thus the coolant flows out of the purification apparatus along with the coolant. In other embodiments, the magnetic member 31 may be disposed below the mesh member 32. In some embodiments, the magnetic members 31 and the mesh members 32 may also be staggered. The position of the magnetic member 31 and the mesh member 32 can be set by those skilled in the art according to the actual situation.
In an embodiment of the present invention, the filter portion 30 may further include porous alumina 33, which may also be used to adsorb impurities in the coolant. The coolant entering the body 10 may be filtered sequentially through the magnetic member 31, the mesh 32, and the porous alumina 33. In other embodiments, the magnetic member 31, the mesh 32 and the porous alumina 33 can be positioned according to the actual requirements of the person skilled in the art.
In an embodiment of the invention, the purification apparatus further comprises: and the limiting part 40 is arranged on the body 10, and is used for limiting the axial moving range of the capturing part 20, so that the axial moving range of the capturing opening 21 along the body 10 can also be limited. Alternatively, the stopper portion 40 may be welded to the body 10, and specifically, the stopper portion 40 may be welded to the outside of the body 10.
Alternatively, the length of the stopper portion 40 is set to be greater than the maximum distance of lateral offset of the trap portion 20. It will be understood by those skilled in the art that, during the flow of the coolant, an impact may be applied to the capture portion 20 to cause a lateral deviation of the capture portion 20, that is, the capture portion 20 is deviated in the radial direction thereof, and therefore, setting the length of the stopper portion 40 to be greater than the maximum distance by which the capture portion 20 is laterally deviated can limit the axial movement range of the capture portion 20 even if the capture portion 20 is laterally deviated, and avoid the influence of the lateral deviation of the capture portion 20 caused by the impact of the coolant. In other embodiments, the length of the position-limiting portion 40 can be set to be equal to the maximum distance of the lateral offset of the capturing portion 20, and one skilled in the art can set the length of the position-limiting portion 40 according to the actual requirement.
In the embodiment of the present invention, the limiting portion 40 includes a first limiting member 41 and a second limiting member 42, and the capturing portion 20 is disposed to be axially movable along the body 10 between the first limiting member 41 and the second limiting member 42. Alternatively, the capturing portion 20 may be disposed between the first retaining member 41 and the second retaining member 42, and the capturing portion 20 may move axially along the body 10 between the first retaining member 41 and the second retaining member 42, so that the capturing opening 21 can also move axially along the body 10 between the first retaining member 41 and the second retaining member 42.
In an embodiment of the present invention, the first limiting member 41 and/or the second limiting member 42 may be a baffle, which is respectively disposed on the body 10 and on both sides of the capturing portion 20. For example, the first stopper 41 may be disposed above the capturing portion 20, and the second stopper 42 may be disposed below the capturing portion 20. During operation of the purification apparatus, when the capturing part 20 moves axially along the body 10 during the flow of the coolant, for example, when the capturing part 20 moves upward along the body 10 and contacts the first stopper 41, the first stopper 41 restricts the movement of the capturing part 20, so that the capturing part 20 cannot move upward any more; alternatively, when the capturing portion 20 moves downward along the body 10 and contacts the second stopper 42, the second stopper 42 restricts the movement of the capturing portion 20, so that the capturing portion 20 cannot move downward any more.
In other embodiments, the stopper 40 may be disposed only on one side of the capturing unit 20, for example, the stopper 40 may be disposed above the capturing unit 20 or below the capturing unit 20. The shape, number or position of the limiting portion 40 may be set by those skilled in the art according to the actual requirement, for example, the position of the limiting portion 40 and/or the distance between the limiting portion 40 and the capturing portion 20 may be set by those skilled in the art according to the fluctuation of the coolant in the reactor.
Alternatively, the capture portion 20 and/or the stop portion 40 may be formed from a stainless steel material.
In an embodiment of the invention, the purification apparatus further comprises: and a sealing part 50, the sealing part 50 being provided to the body 10 for sealing the body 10. Alternatively, the sealing portion 50 may be a flange, and a sealing gasket may be used to seal between the upper flange and the lower flange, and the sealing gasket may be made of a metal material.
In the embodiment of the present invention, the sealing part 50 is disposed above the filter part 30 to prevent the coolant, which is not filtered by the filter part 30, from flowing out, thereby affecting the purifying effect of the coolant.
In an embodiment of the invention, the purification apparatus further comprises: and a flow part 60, wherein the flow part 60 is provided in the main body 10, and the coolant flows into the main body 10 through the flow part 60. Alternatively, the flow-through 60 may be one or more circular holes. In some embodiments, the flow-through portion 60 may include a plurality of circular holes arranged in the body 10.
In some embodiments, the flow-through portion 60 may also be provided with a cover (not shown), which may be provided in a scaly shape, so that the coolant can flow in one direction in the flow-through portion 60. Specifically, the cover may be provided in the body 10 to enable the coolant to enter the body 10 from the trap 20 through the circulation part 60 in one direction, preventing the unpurified coolant from flowing out of the circulation part 60, thereby improving purification efficiency.
In an embodiment of the present invention, the trap 20 may be disposed above the circulation part 60, so that the coolant can flow to the circulation part 60 through the trap 20, and the coolant in the reactor sufficiently enters the purification apparatus and then flows into the body 10 through the circulation part 60.
In the embodiment of the present invention, the purification apparatus further includes a bottom plate 70, the bottom plate 70 is disposed at the bottom of the body 10, and one or more circular holes are formed on the bottom plate 70 for allowing the purified coolant to flow out of the purification apparatus from the bottom plate 70.
Fig. 3 is a schematic view of a use state of a trap part of a purification apparatus for a reactor according to an embodiment of the present invention, fig. 4 is a schematic structural view of the purification apparatus for a reactor according to fig. 3, and referring to fig. 3 and 4, an operation process of the purification apparatus for a reactor according to the embodiment of the present invention is as follows: the purification device is placed in the coolant of the reactor, the capture part 20 floats in the coolant, the capture port 21 is located at the free liquid level of the coolant, the free liquid level of the coolant changes along with fluctuation of the free liquid level of the coolant during flowing of the coolant driven by a power pump in the reactor, the capture part 20 moves axially along the body 10, the capture port 21 is arranged in the capture part 20, the capture port 21 also moves axially along the body 10 along with the movement of the capture part 20, so that the capture port 21 can be located at the free liquid level of the coolant during flowing of the coolant, the coolant enters the body 10 through the capture part 20 and the flow part 60 in the arrow direction shown in fig. 3 and/or fig. 4, and impurities at the free liquid level of the coolant and impurities in the coolant also enter the body 10 along with the impurities. Fig. 5 is a schematic view of a state of use of a purification apparatus for a reactor according to an embodiment of the present invention, and referring to fig. 5, after coolant enters the inside of the body 10, the coolant passes through the magnetic member 31, the mesh member 32, and the porous alumina 33 in the direction of the arrow shown in fig. 5, thereby completing purification of the coolant in the body 10, and the purified coolant flows out from the bottom of the body 10 and re-enters the reactor.
An embodiment of the present invention provides a reactor with a coolant therein, the reactor including: embodiments of the present invention provide a purification apparatus for a reactor, the purification apparatus being disposed in the coolant.
In an embodiment of the invention, the reactor further comprises: the reactor top cover is arranged above the reactor and used for sealing the reactor; the purification device is fixed on the pile top cover. Alternatively, the purification apparatus may be fixed to the stack top cover by the sealing portion 50.
It should also be noted that, in the case of the embodiments of the present invention, features of the embodiments and examples may be combined with each other to obtain a new embodiment without conflict.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and the scope of the present invention is subject to the scope of the claims.

Claims (18)

1. A purification apparatus for a reactor having a coolant disposed therein, the purification apparatus comprising:
a body (10), said body (10) being disposed in said coolant;
a trap portion (20), the trap portion (20) being provided to the body (10), the trap portion (20) being provided so as to be axially movable along the body (10) to flow the coolant into the body (10) for trapping impurities within the coolant;
a filter part (30), the filter part (30) being provided to the body (10), the coolant flowing into the filter part (30) via the trap part (20), the filter part (30) being for filtering the coolant to purify impurities within the coolant.
2. Purification device according to claim 1, wherein a gap is provided between the body (10) and the trap (20).
3. Purification device according to claim 2, characterized in that the trap (20) is arranged to float in the coolant and to move axially along the body (10) in the gap.
4. The purification apparatus according to claim 1, wherein the trap portion (20) comprises:
a capture port (21), the capture port (21) being disposed at a free liquid level of the coolant to capture impurities floating at the free liquid level of the coolant.
5. The purification apparatus according to claim 1, wherein the trap portion (20) further comprises:
at least one positioning portion (22), the positioning portion (22) being provided to the trap portion (20) for preventing the trap portion (20) from being displaced by the impact of the coolant.
6. Purification device according to claim 5, characterized in that a gap is provided between the positioning portion (22) and the body (10).
7. Purification device according to claim 1, wherein the filter portion (30) comprises:
a magnetic member (31), the magnetic member (31) being disposed on the body (10) for adsorbing magnetic impurities in the coolant.
8. Purification device according to claim 7, wherein the magnetic elements (31) are arranged laterally staggered.
9. The purification apparatus according to claim 1, wherein the filter portion (30) further comprises:
a mesh (32), the mesh (32) being provided to the body (10) for filtering foreign substances in the coolant.
10. Purification device according to claim 9, wherein the mesh (32) is arranged to be completely filled in the body (10).
11. The purification apparatus of claim 1, further comprising:
a limiting portion (40), the limiting portion (40) being provided to the body (10) for limiting an axial movement range of the capturing portion (20).
12. Purification apparatus according to claim 11, wherein the length of the position-limiting portion (40) is set to be greater than the maximum distance of lateral offset of the capturing portion (20).
13. The purification apparatus according to claim 11, wherein the limiting portion (40) includes a first limiting member (41) and a second limiting member (42), and the capturing portion (20) is provided so as to be axially movable along the body (10) between the first limiting member (41) and the second limiting member (42).
14. The purification apparatus of claim 1, further comprising:
a sealing portion (50), the sealing portion (50) being provided to the body (10) for sealing against the body (10).
15. The purification apparatus according to claim 14, wherein the sealing portion (50) is provided above the filter portion (30) to prevent the outflow of the coolant that is not filtered by the filter portion (30).
16. The purification apparatus of claim 1, further comprising:
a flow section (60), wherein the flow section (60) is provided to the body (10), and the coolant flows into the body (10) through the flow section (60).
17. A reactor having a coolant disposed therein, comprising:
the purification device of any one of claims 1-16, disposed in the coolant.
18. The reactor of claim 17, further comprising:
the reactor top cover is arranged above the reactor and used for sealing the reactor;
the purification device is fixed on the stack top cover.
CN202111462964.4A 2021-12-02 2021-12-02 Purification device for reactor Pending CN114496323A (en)

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CN202111462964.4A CN114496323A (en) 2021-12-02 2021-12-02 Purification device for reactor

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Application Number Priority Date Filing Date Title
CN202111462964.4A CN114496323A (en) 2021-12-02 2021-12-02 Purification device for reactor

Publications (1)

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CN114496323A true CN114496323A (en) 2022-05-13

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Family Applications (1)

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