CN114688875A - Reactor metal coolant melting device - Google Patents
Reactor metal coolant melting device Download PDFInfo
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- CN114688875A CN114688875A CN202210321982.9A CN202210321982A CN114688875A CN 114688875 A CN114688875 A CN 114688875A CN 202210321982 A CN202210321982 A CN 202210321982A CN 114688875 A CN114688875 A CN 114688875A
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- 238000002844 melting Methods 0.000 title claims abstract description 116
- 230000008018 melting Effects 0.000 title claims abstract description 116
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 26
- 239000002184 metal Substances 0.000 title claims abstract description 26
- 239000002826 coolant Substances 0.000 title claims abstract description 24
- 239000000155 melt Substances 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 74
- 239000000463 material Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 231100000572 poisoning Toxicity 0.000 abstract description 4
- 230000000607 poisoning effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 3
- 229910001152 Bi alloy Inorganic materials 0.000 description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 229910052797 bismuth Inorganic materials 0.000 description 11
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 7
- 238000010309 melting process Methods 0.000 description 7
- 239000011261 inert gas Substances 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000004722 stifle Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/0016—Chamber type furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
- B01J6/005—Fusing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/0028—Devices for monitoring the level of the melt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/04—Arrangements of indicators or alarms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/0024—Charging; Discharging; Manipulation of charge of metallic workpieces
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
- G21C21/02—Manufacture of fuel elements or breeder elements contained in non-active casings
-
- 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)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a reactor metal coolant melting device which comprises a melting box, an auxiliary feeding system and an exhaust system. The auxiliary feeding system is arranged on the melting box, an auxiliary feeding port and an exhaust port are formed in the auxiliary feeding system, and the exhaust port is closer to the melting box relative to the auxiliary feeding port. When exhaust system during operation, the lead steam that is located supplementary charge door position department can discharge through the gas vent to can guarantee the security of staff at the reinforced in-process, avoid appearing the condition of lead steam poisoning. In addition, exhaust system can take away the heat of auxiliary charging opening simultaneously at the in-process of extraction lead steam to make the temperature of auxiliary charging opening obtain cooling, the staff of being convenient for is direct to being in the reinforced in the melt box of melt state. Consequently, the staff can be continuously reinforced in to the melt box, and the melt box can realize continuous melt promptly, avoids owing to the melt inefficiency that discontinuous melt process leads to.
Description
Technical Field
The invention relates to the technical field of molten materials, in particular to a reactor metal coolant melting device.
Background
The experimental device takes lead bismuth (or other liquid metals) as a medium, the lead bismuth is poured by generally adopting an independent storage box and a melting box, specifically, solid lead bismuth alloy is filled into the melting box to be heated and melted, then the solid lead bismuth alloy is poured into the storage box, and finally the liquid lead bismuth is conveyed to a system loop through the storage box.
The specific melting process comprises the following steps: firstly, lead-bismuth alloy is loaded into a melting box through a hand hole door; closing a hand hole door of a melting box and opening electric heating melting; thirdly, after the lead and bismuth in the melting box are melted, injecting the molten lead and bismuth into a storage box; cooling the melting box to make the melting box have the condition of loading lead bismuth alloy; fifthly, repeating the steps from the first step to the fourth step until the lead and bismuth amount required by the storage box is completed.
The melting process can only be interrupted, and the efficiency is low.
Disclosure of Invention
In view of the above, it is necessary to provide a reactor metal coolant melting device to solve the problem of low melting efficiency in the prior art.
A reactor metal coolant melt apparatus, comprising:
the melting box is provided with a discharge port;
the auxiliary feeding system is arranged on the melting box, an auxiliary feeding port and an exhaust port are formed in the auxiliary feeding system, and the exhaust port is closer to the melting box relative to the auxiliary feeding port;
an exhaust system in communication with the exhaust port; and
and the discharge system is connected with the discharge opening and is used for discharging the melted materials.
In one embodiment, the auxiliary charging system comprises a charging pipe for charging the melting box; one end of the feed pipe with melt box sealing connection, the opening of the other end of feed pipe does the auxiliary charging opening, the gas vent sets up the lateral wall of feed pipe.
In one embodiment, the charging pipe includes a first pipe section, a second pipe section and a third pipe section which are sequentially connected along an axial direction, the first pipe section is connected with the melt box in a sealing manner, the auxiliary charging port is arranged on the third pipe section, the exhaust port is arranged on the second pipe section, and the cross-sectional area of the second pipe section is respectively larger than that of the first pipe section and that of the third pipe section.
In one embodiment, the auxiliary charging system further comprises a guide frame, the guide frame is provided with a charging cavity which is communicated along the axial direction of the charging pipe, and the guide frame is arranged in the charging pipe in a penetrating mode and extends into the melting box.
In one embodiment, the feeding cavity is tapered along the axial direction of the feeding tube and from the outside to the inside of the melt box.
In one embodiment, the exhaust system comprises an exhaust pipe and an exhaust fan, the exhaust pipe comprises a hard pipe section and a hose section which are sequentially connected, one end of the hard pipe section, which is far away from the hose section, is communicated with the exhaust port, and one end of the hose section, which is far away from the hard pipe section, is connected with the exhaust fan.
In one embodiment, the melting box is provided with a drain opening, the drain opening is arranged at the bottommost part of the melting box, the drain opening is positioned above the drain opening, and the discharge system is connected with the drain opening.
In one embodiment, the discharge system includes a discharge tube and a heating assembly surrounding the discharge tube on a peripheral side thereof.
In one embodiment, the melting box is provided with a highest liquid level line and a lowest liquid level line, the liquid discharge port is provided with a liquid discharge valve, the melting device further comprises a liquid level meter and a controller, the liquid level meter is arranged on the melting box, the controller is respectively electrically connected with the liquid level meter and the liquid discharge valve, and when the liquid level meter detects the highest liquid level value, the controller controls the liquid discharge valve to be opened; when the liquid level meter detects the lowest liquid level value, the controller controls the drain valve to be closed.
In one embodiment, the melting box is provided with a highest liquid level line and a lowest liquid level line, the melting device further comprises a liquid level meter and a liquid level alarm, the liquid level meter is arranged on the melting box, the liquid level alarm is electrically connected with the liquid level meter, and when the liquid level meter detects the highest liquid level value and the lowest liquid level value, the liquid level alarm gives an alarm.
The reactor metal coolant melting device is provided with the auxiliary charging port and the exhaust port through the exhaust system and the auxiliary charging system, the exhaust port is connected with the exhaust system, and the auxiliary charging port is further away from the melting box relative to the exhaust port. When the melting device is used for melting lead bismuth alloy, lead steam at the position of the auxiliary feeding port can be discharged through the exhaust port, so that the safety of workers in the feeding process can be ensured, and the lead steam poisoning condition is avoided. In addition, exhaust system can accelerate the circulation of air of supplementary feed inlet department at the in-process of extraction lead steam, accelerates scattering and disappearing of supplementary feed inlet heat promptly to make the temperature of supplementary feed inlet reduce fast, the staff of being convenient for is direct reinforced in the melt box to be in the melt state, can prevent that the staff from being scalded by supplementary feed inlet. Consequently, this application can prevent that lead vapor from the excessive while of supplementary charge door, can also reduce the temperature of supplementary charge door to make the staff can last reinforced in to the melt box, the melt box can realize continuous melt promptly, avoids owing to the problem of the melt inefficiency that the interrupted melt process leads to.
Drawings
FIG. 1 is a schematic view of a reactor metal coolant melt apparatus according to one embodiment;
FIG. 2 is a schematic view of the auxiliary charging system mounted to the melting box;
FIG. 3 is a schematic view of the connection of the exhaust system and the discharge system to the melt box, respectively.
Reference numerals: 100-melt box; 110-a discharge outlet; 120-exhaust port; 130-highest liquid level line; 140-lowest liquid level line; 150-air inlet;
200-an auxiliary charging system; 210-a feed tube; 211-auxiliary feed inlet; 212-an exhaust port; 213-a first tube section; 214-a second pipe section; 215-a third pipe section; 220-a guide frame; 221-feeding cavity;
300-an exhaust system; 310-an air exhaust pipe; 320-an exhaust fan; 330-connecting pipe;
400-a discharge system; 410-a discharge pipe; 411-a valve; 420-a heating assembly;
500-inert gas bottle.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 and 3, an embodiment of the present invention provides a reactor metal coolant melting apparatus for heating a molten material, the melting apparatus including a melting box 100, an auxiliary charging system 200, an exhaust system 300, and a discharge system 400. The auxiliary charging system 200 is disposed on the melting box 100, an auxiliary charging port 211 and an exhaust port 212 are disposed on the auxiliary charging system 200, and the exhaust port 212 is closer to the melting box 100 than the auxiliary charging port 211. The melting box 100 is provided with a discharge opening 110, the discharge system 400 is connected with the discharge opening 110, and molten liquid obtained by melting materials in the melting box 100 is discharged through the discharge opening 110.
When the reactor metal coolant melting device is used for melting lead-bismuth alloy, the exhaust system 300 is arranged, the auxiliary feeding system 200 is communicated with the exhaust system 300, and the exhaust system 300 is used for extracting lead steam in the melting box 100. When the exhaust system 300 works, because the auxiliary charging port 211 is far away from the melting box 100 relative to the exhaust port 212, the lead steam at the position of the auxiliary charging port 211 can be exhausted through the exhaust port 212, so that the safety of workers in the charging process can be ensured, and the lead steam poisoning is avoided. In addition, exhaust system 300 is at the in-process of extraction lead steam, can accelerate the circulation of air of auxiliary feeding port 211 department, accelerates losing of auxiliary feeding port 211 heat promptly to make the temperature of auxiliary feeding port 211 reduce fast, be convenient for the staff directly to reinforced in the melt box 100 that is in the melt state, can prevent that the staff from being scalded by auxiliary feeding port 211. Therefore, this application can prevent that lead steam from the excessive while of auxiliary feeding port 211, can also reduce auxiliary feeding port 211's temperature to make the staff can last reinforced in to melt box 100, melt box 100 can realize continuous melt promptly, avoids owing to the problem of the melt inefficiency that the interrupted melt process leads to.
In some embodiments, the auxiliary charging system 200 includes a charging tube 210, the charging tube 210 is used for charging the melt box 100, one end of the charging tube 210 is connected to the melt box 100 in a sealing manner, the other end of the charging tube 210 is an auxiliary charging port 211, and an exhaust port 212 is disposed on a side wall of the charging tube 210. That is, the auxiliary charging opening 211 is far away from the melting tank 100 relative to the exhaust opening 212, so that when the exhaust system 300 is operated, the exhaust system 300 can suck the lead vapor at the position of the auxiliary charging opening 211 away due to the suction effect of the exhaust system 300, and the risk of lead vapor poisoning of workers in the charging process can be avoided.
Specifically, the melting box 100 is provided with an equipment connecting pipe, the equipment connecting pipe is hermetically connected with the melting box 100, and one end of the equipment connecting pipe, which is far away from the melting box 100, is connected with the feeding pipe 210 through a flange, so that the feeding pipe 210 is hermetically connected with the melting box 100.
Further, the charging pipe 210 includes a first pipe section 213, a second pipe section 214 and a third pipe section 215 connected in sequence, the first pipe section 213 is connected with the melt box 100 in a sealing manner, the auxiliary charging port 211 is provided on the third pipe section 215, the exhaust port 212 is provided on the second pipe section 214, and the cross-sectional area of the second pipe section 214 is larger than the cross-sectional area of the first pipe section 213 and larger than the cross-sectional area of the third pipe section 215.
In this embodiment, the cross-sectional area of the second tube section 214 is larger relative to the cross-sectional area of the first tube section 213 and the cross-sectional area of the third tube section 215, i.e., the volume of the low-pressure region inside the second tube section 214 is enlarged to increase the buffer space, thereby facilitating the lead vapor in the auxiliary charging port 211 to be discharged from the exhaust port 212, and preventing the lead vapor in the melting tank from overflowing to the position of the auxiliary charging port 211.
In some embodiments, referring to fig. 2, the auxiliary charging system 200 further includes a guide frame 220, the guide frame 220 having a charging cavity 221 extending axially through the charging tube 210, the guide frame 220 extending through the charging tube 210 into the melt tank 100.
Specifically, leading truck 220 is the fretwork frame, and when reinforced through auxiliary feeding mouth 211, the material is along the inside wall landing of leading truck 220, and the material is at the in-process of whereabouts and the resistance when leading truck 220's friction can increase the material gliding to reduce material gliding speed, and then can reduce the impact of material whereabouts to melt box 100.
In some of these embodiments, the feed cavity tapers axially along the feed tube 210 and in an outside-in direction along the melt box 100. When the material slides downwards from the upper part of the guide frame 220, the friction between the material and the guide frame 220 is gradually increased because the feeding cavity is gradually reduced, so that the sliding speed of the material can be reduced. Specifically, the bottom of the guide frame 220 extends into the molten liquid, and when the material reaching the bottom of the guide frame 220 is immersed into the molten liquid to be melted, the material can be continuously charged above the guide frame 220. The cross section of the guiding frame 220 may be configured to be different from the material, for example, the material is a cylindrical block, while the cross section of the guiding frame is a rectangle, or the cross section may be the same as the material, which is not limited herein. In addition, in order to increase the friction force between the material and the inner wall of the guide frame 220, the guide frame 220 may be inclined from the vertical direction.
In other embodiments, the guide frame may be arranged in a spiral shape, i.e. passing through a spiral curve in the guide frame to increase the resistance of the material sliding down. Or the flatness of the inner wall of the guide frame can be changed, so that the friction force between the material and the guide frame is increased.
In other embodiments, a hollow chassis may be further installed at one end of the guide frame 220 away from the charging opening, and a damping member is disposed on the chassis for buffering the falling of the material.
In some embodiments, referring to fig. 3, the exhaust system 300 comprises an exhaust pipe and a suction fan 320, the exhaust pipe comprises a hard pipe section 310 and a soft pipe section 330 which are connected in sequence, one end of the hard pipe section 310 away from the soft pipe section 330 is communicated with the exhaust port 212, and one end of the soft pipe section 330 away from the hard pipe section 310 is connected with the suction fan 320. Wherein the rigid pipe section 310 may be a metal pipe welded to the melting box 100. The provision of hose section 330 facilitates the installation of suction fan 320. In addition, the outlet of the exhaust fan 320 is connected with a plant waste gas treatment device, so that lead steam is prevented from being directly discharged into the atmosphere to pollute the air.
Further, exhaust system includes the exhaust tube, and the one end and the gas vent intercommunication of exhaust tube, the other end downward sloping of exhaust tube. The exhaust pipe is a section of straight pipe. The exhaust tube downward sloping sets up, because the auxiliary charging opening is located the top of gas vent on the one hand, and the melt box is located the below of gas vent, consequently, on the one hand, is favorable to the gaseous suction of auxiliary charging opening for the cooling rate of auxiliary charging opening is convenient for simultaneously to suck away the lead steam of auxiliary charging opening position department, and on the other hand can reduce the suction to the interior gas of melt box, with the thermal scattering and disappearing in the reduction melt box.
In some embodiments, referring to FIG. 1, the melt tank 100 defines a drain 120, the drain 120 is disposed at the bottom of the melt tank 100, the drain 110 is disposed above the drain 120, and the discharge system 400 is connected to the drain 120.
In this embodiment, the discharge opening 110 is located above the drain opening 120, and the material is discharged by opening the discharge opening 110, so that a certain height of molten liquid is always remained in the melt box 100 during the melting process of the material. When the material is put into the melt box 100, the material can be immersed into the high temperature melt to be melted rapidly. When the melt is completed, the exhaust port 120 may be opened to exhaust the melt from the melt box 100.
Specifically, discharge system 400 includes discharge tube 410 and heating assembly 420, discharge tube 410 is used for communicating with bin outlet 110 and exhaust port 120 respectively, and heating assembly 420 encircles discharge tube 410's week side for heating discharge tube 410, in order to keep the temperature of material in the transportation process, prevent that the material from reducing at the transportation process temperature, leading to the melt resolidification, blocking discharge tube 410.
In some embodiments, referring to fig. 1 and 2, the melting box 100 is provided with an air inlet 150, the air inlet 150 is used for connecting with an inert gas bottle 500, and the inert gas is used for preventing the material from being oxidized in the melting process. Specifically, in the melting process of the lead-bismuth alloy, the adopted inert gas is high-purity argon, and a pressure regulating valve and a flow regulating valve are arranged on a gas cylinder filled with the high-purity argon, so that the micro-positive pressure environment in the melting box 100 can be maintained conveniently. Because auxiliary feed port 211 is farther away from fuse-box 100 for gas vent 212, consequently, the high-purity argon gas that is located auxiliary feed port 211 position department also can discharge through gas vent 212 to can guarantee the security of staff at reinforced in-process, avoid the condition that the argon gas stifles to appear.
In some embodiments, referring to FIG. 1, the melt tank has a highest level 130 and a lowest level 140, and the level measuring device further comprises a level gauge (not shown) disposed on the melt tank and a level alarm (not shown) electrically connected to the level gauge, wherein the level alarm gives an alarm when the level gauge detects the highest level and the lowest level. Where the highest level 130 is based on the maximum weight that can be supported by the support used to support the melt tank 100, the lowest level 140 is no lower than half the height of a single item, e.g., a single item 20cm high, and the height of the lowest level 140 should be greater than 10 cm. And the position of the discharge opening 110 may be determined according to the height of the lowest liquid level line 140, for example, the height of the discharge opening 110 is flush with the lowest liquid level line 140, so as to ensure that the material is immersed in the high-temperature melt remaining in the melting tank 100 and is rapidly heated and melted during the melting process.
Specifically, the level gauge may be a radar level gauge, an electric contact level gauge, a differential pressure level gauge, or the like, and when the liquid level alarm at the highest liquid level line 130 gives an alarm, the discharge system 400 is opened to inject the melt from the melt tank 100 into the storage tank at the user end. When the liquid level alarm at the lowest liquid level line 140 gives an alarm, stopping filling, maintaining the filling through the auxiliary filling system 200, keeping heating the melting materials until the liquid level of the melting box 100 rises to the highest liquid level line 130 again, and starting the discharging system 400 to discharge. The circulation is reciprocating, the continuity of the melting process is guaranteed, and the melting efficiency is improved. The melting box does not need to be cooled again to the condition of containing the lead-bismuth alloy without intermittent melting, so that the service life of the melting box 100 is prolonged.
In other embodiments, the melting box has a highest liquid level 130 and a lowest liquid level 140, the liquid outlet is provided with a liquid outlet valve, the melting device for the reactor metal coolant further comprises a liquid level meter and a controller, the liquid level meter is arranged on the melting box, the controller is respectively electrically connected with the liquid level meter and the liquid outlet valve, and the controller controls the liquid outlet valve to be opened when the liquid level meter detects the highest liquid level; when the liquid level meter detects the lowest liquid level value, the controller controls the drain valve to be closed. Wherein the controller can be a single chip, a microprocessor, etc.
Furthermore, the melting device also comprises a temperature measuring device and a pressure measuring meter. Specifically, the temperature measuring device comprises an insertion type temperature measuring device and an adherence type temperature measuring device, wherein the insertion type temperature measuring device is arranged on the melting box 100 and used for measuring temperature data of liquid and upper gas space in the melting box 100 and monitoring the melting state of materials conveniently. The outer walls of the melting box 100, the discharge pipe 410 and the valve 411 connected to the discharge pipe 410 are provided with wall-attached temperature measuring devices for monitoring the surface temperature of the equipment and ensuring that the liquid is not solidified in the discharge process. The pressure gauge is arranged on the melt box 100 and an inert gas inlet pipeline and used for measuring pressure and guiding and adjusting the air inlet of the high-purity argon bottle so as to maintain the micro-positive pressure environment of the melt box 100.
In some embodiments, melt box 100 is a closed vessel, and the melting device further includes a primary feed port for rapidly feeding material into melt box 100 during initial melting, and an auxiliary feed system 200 for feeding material into melt box 100 during melting. The melting box 100 is provided with a heating ring for heating the material to a desired temperature. The melting box 100 is wrapped with an electrical heating ring or wire to turn on the electrical tracing of the melting box 100. The melting box 100 may be vertical or horizontal, and the melting box 100 is provided with various connection interfaces for connecting with the auxiliary charging system 200, the exhaust system 300, the discharge system 400 and the inert gas bottle 500, and measurement interfaces for measuring the temperature and pressure of the melting box 100.
Taking the melting of the lead-bismuth alloy by using a reactor metal coolant melting device as an example, the specific using method comprises the following steps:
filling the melting box 100 with a lead bismuth alloy through a main feed opening to a predetermined amount, wherein the predetermined amount is determined according to the highest liquid level line of the melting box;
lead bismuth alloy is filled in the guide frame 220;
starting the exhaust system 300 for exhausting;
opening a high-purity argon bottle, performing argon replacement and covering on the melt box 100, and maintaining the micro-positive pressure in the melt box 100;
opening an electric heating ring in the melting box 100 to heat and melt the lead-bismuth alloy, and heating the discharge pipe 410 and the valve 411 by using the heating assembly 420;
after the lead bismuth alloy in the guide frame 220 is melted, supplementing is performed in time so as to keep the lead bismuth alloy in the guide frame 220 in a full-filling state all the time;
when the liquid level in the melting box 100 reaches the highest liquid level line 130, the discharge port 110 of the discharge system 400 is opened, and the lead bismuth liquid is injected into the storage box at the user end;
when the liquid level in melt tank 100 reaches the lowest liquid level 140, discharge system 400 is turned off;
repeating the steps that when the liquid level in the melting box 100 reaches the highest liquid level line 130, the discharge port 110 of the discharging system 400 is opened, the lead bismuth liquid is injected into the storage box at the user end, and when the liquid level in the melting box 100 reaches the lowest liquid level line 140, the discharging system 400 is closed until the melting is finished;
after the melting is completed, the drain 120 of the discharge system 400 is opened to drain the molten lead and bismuth in the melting box 100, and the discharge system 400 is closed.
Through the reactor metal coolant melting device of this application, can increase substantially lead bismuth medium melt efficiency, and can improve the security of lead bismuth medium melt process. Experiments show that by using the reactor metal coolant melting device and the melting method, melting work which originally needs 16 days of construction period can be completed within 24 hours, and no safety quality event occurs in the melting and discharging process.
It should be noted that the present application can be used for melting other metal substances besides the lead bismuth alloy, and is not limited herein.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. A reactor metal coolant melt apparatus for melting material, comprising:
the melting box is provided with a discharge port;
the auxiliary feeding system is arranged on the melting box, an auxiliary feeding port and an exhaust port are formed in the auxiliary feeding system, and the exhaust port is closer to the melting box relative to the auxiliary feeding port;
an exhaust system in communication with the exhaust port; and
and the discharge system is connected with the discharge opening and is used for discharging the melted materials.
2. The reactor metal coolant melting apparatus of claim 1, wherein the auxiliary charging system includes a charging tube for charging the melt tank; one end of the feed pipe with melt box sealing connection, the opening of the other end of feed pipe does the auxiliary charging opening, the gas vent sets up the lateral wall of feed pipe.
3. The reactor metal coolant melting apparatus of claim 2, wherein the feed tube includes a first tube section, a second tube section, and a third tube section, the first tube section is connected to the melt box in a sealing manner, the auxiliary feed port is provided in the third tube section, the exhaust port is provided in the second tube section, and the cross-sectional area of the second tube section is larger than the cross-sectional areas of the first tube section and the third tube section.
4. The reactor metal coolant melting apparatus of claim 2, wherein the auxiliary charging system further comprises a guide frame having a charging cavity extending therethrough in an axial direction of the charging tube, the guide frame extending through the charging tube and into the melt box.
5. The reactor metal coolant melt apparatus of claim 4, wherein the feed cavity is tapered in an axial direction of the feed tube and in an outside-in direction of the melt box.
6. The reactor metal coolant melting apparatus of claim 1, wherein the exhaust system comprises an exhaust pipe and an exhaust fan, the exhaust pipe comprises a hard pipe section and a hose section which are connected in sequence, an end of the hard pipe section, which is far away from the hose section, is communicated with the exhaust port, and an end of the hose section, which is far away from the hard pipe section, is connected with the exhaust fan.
7. The reactor metal coolant melting apparatus of claim 1, wherein the melting box is provided with a drain opening, the drain opening is disposed at a bottommost portion of the melting box, the drain opening is located above the drain opening, and the drain opening is connected to the discharge system.
8. The reactor metal coolant melt apparatus of claim 7 wherein the discharge system includes a discharge tube and a heating assembly surrounding a peripheral side of the discharge tube.
9. The reactor metal coolant melting apparatus of claim 7, wherein the melting tank has a highest liquid level and a lowest liquid level, the drain port is provided with a drain valve, the melting apparatus further comprises a level meter and a controller, the level meter is disposed on the melting tank, the controller is electrically connected with the level meter and the drain valve, respectively, and the controller controls the drain valve to open when the level meter detects the highest liquid level; when the liquid level meter detects the lowest liquid level value, the controller controls the drain valve to be closed.
10. The reactor metal coolant melting apparatus of claim 1, wherein the melting tank has a highest liquid level line and a lowest liquid level line, the melting apparatus further comprising a level gauge disposed on the melting tank and a level alarm electrically connected to the level gauge, the level alarm sounding an alarm when the level gauge detects the highest liquid level value and the lowest liquid level value.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103375994A (en) * | 2012-04-27 | 2013-10-30 | 四川绿冶科技有限责任公司 | High temperature melt discharge pipe and smelting furnace with same |
| US20140356256A1 (en) * | 2011-12-21 | 2014-12-04 | Korea Institute Of Industrial Technology | Pyrolysis apparatus using liquid metal |
| CN111672425A (en) * | 2020-06-19 | 2020-09-18 | 中国科学院近代物理研究所 | Lead bismuth alloy melting device and charging, melting and discharging method thereof |
| CN113083160A (en) * | 2021-04-09 | 2021-07-09 | 河北大有镁业有限责任公司 | Multifunctional molten salt system |
| CN114029001A (en) * | 2021-12-03 | 2022-02-11 | 上海镁源动力科技有限公司 | Device and method for automatically feeding liquid metal raw materials |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140356256A1 (en) * | 2011-12-21 | 2014-12-04 | Korea Institute Of Industrial Technology | Pyrolysis apparatus using liquid metal |
| CN103375994A (en) * | 2012-04-27 | 2013-10-30 | 四川绿冶科技有限责任公司 | High temperature melt discharge pipe and smelting furnace with same |
| CN111672425A (en) * | 2020-06-19 | 2020-09-18 | 中国科学院近代物理研究所 | Lead bismuth alloy melting device and charging, melting and discharging method thereof |
| CN113083160A (en) * | 2021-04-09 | 2021-07-09 | 河北大有镁业有限责任公司 | Multifunctional molten salt system |
| CN114029001A (en) * | 2021-12-03 | 2022-02-11 | 上海镁源动力科技有限公司 | Device and method for automatically feeding liquid metal raw materials |
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