CN108801895B - Liquid metal loop is glove box for corrosion experiments - Google Patents
Liquid metal loop is glove box for corrosion experiments Download PDFInfo
- Publication number
- CN108801895B CN108801895B CN201810873637.XA CN201810873637A CN108801895B CN 108801895 B CN108801895 B CN 108801895B CN 201810873637 A CN201810873637 A CN 201810873637A CN 108801895 B CN108801895 B CN 108801895B
- Authority
- CN
- China
- Prior art keywords
- liquid metal
- tank
- expansion tank
- heat
- cover
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to a liquid metal loop corrosion experiment glove box which comprises a box body, wherein an expansion tank is arranged in the box body, an external connecting pipe which is arranged on the expansion tank and is used for being connected with a liquid metal experiment pipe extends out of the box body or a liquid metal experiment pipe which is communicated with the expansion tank penetrates through a through hole of the box body, a cooling device used for cooling the external connecting pipe or the liquid metal experiment pipe in the through hole is arranged on the bottom wall of the box body, a heat preservation heating assembly is arranged outside the expansion tank and comprises a heating element and a heat preservation cover for preserving heat of the expansion tank, and the heating element is arranged between the expansion tank and the heat preservation cover. Through heating element to the expansion tank heating, the liquid metal that makes the solidification melts to in the installation of sample subassembly with take out, the expansion tank after the heat preservation cover can keep warm to the heating, avoid the normal work of heat influence water in the box, oxygen analysis appearance that heating element and expansion tank produced.
Description
Technical Field
The invention relates to a glove box for a liquid metal loop corrosion experiment.
Background
Energy is the essential basis for human survival and social development, and plays a vital role in the sustainable development process of society. At present, the public accepts the clean energy source capable of being applied in large scale as nuclear energy, however, people face the problems of nuclear fuel shortage and radionuclide waste aftertreatment while using fission nuclear energy, and fission nuclear waste generated in nuclear waste constitutes potential radioactive hazard to human beings and offspring. In the face of increasing shortage of energy and nuclear safety problems, a series of nuclear fuel closed cycle and new concept reactor design schemes are internationally provided, and six reactor types of a gas-cooled fast reactor, a lead-cooled fast reactor, a molten salt reactor, a sodium-cooled fast reactor, a supercritical water-cooled reactor and an ultrahigh temperature gas-cooled reactor are selected as the key points of future international cooperative research. Because the liquid metal has the advantages of good neutron economy, excellent radiation resistance, excellent heat transfer performance and the like, the liquid metal is used as a reactor coolant in the lead-cooled fast reactor, the molten salt reactor and the sodium-cooled fast reactor.
However, the reactor structural material may be corroded by the liquid metal or metal alloy at high temperature, so that the nuclear structural material may be thinned, and the structural material may fail, thereby affecting the normal operation of the whole reactor and bringing about a great potential safety hazard. Under the background of the research, the design of a liquid metal loop aiming at researching the compatibility of a nuclear structure material and liquid metal under a high-temperature condition and screening and developing a reactor high-temperature-resistant and corrosion-resistant material is necessary, and in the process of carrying out corrosion-related experiments on the liquid metal loop, the most important thing is to use a glove box to ensure the good tightness of a loop experiment section in the installation and taking-out processes of corrosion experiment samples.
In the process of installing and taking out a corrosion experiment sample, the glove box can provide protective atmosphere, and the normal operation of an experiment and the accuracy of a result are ensured. At present, most of glove boxes for experiments provide protective atmosphere and are suitable for normal-temperature environments. Liquid metal return circuit corrosion experiment section belongs to return circuit operating temperature's high temperature experiment section (generally more than 400 ℃), because the high temperature experiment section is direct to be connected with the diapire of expansion tank and glove box, and the expansion tank is stainless steel matter, and the heat of liquid metal in the high temperature experiment section is easy on transmitting the diapire of expansion tank and glove box, leads to the interior atmosphere temperature of glove box too high to influence the normal work of water, oxygen analysis appearance in the box.
Disclosure of Invention
The invention aims to provide a glove box for a liquid metal loop corrosion experiment, which aims to solve the problem that in the prior art, a high-temperature experiment section is directly connected with the bottom walls of an expansion tank and a glove box body, and the heat of liquid metal in the high-temperature experiment section can be transferred into the box body, so that the normal work of a water and oxygen analyzer in the box body is influenced.
In order to achieve the purpose, the technical scheme of the glove box for the liquid metal loop corrosion experiment is as follows:
liquid metal loop corrodes for experiment glove box is including the box that has the glove hole, be equipped with the expansion tank in the box, be equipped with on the diapire of box and supply to set up the perforation that the outer takeover that is used for being connected with liquid metal experiment pipe on the expansion tank stretches out or supplies to penetrate the box with the liquid metal experiment pipe that the expansion tank communicates in the box, be equipped with in perforation position department on the diapire of box and be used for carrying out refrigerated cooling device to the outer takeover or liquid metal experiment pipe in the perforation, the outside of expansion tank is equipped with heat preservation heating assembly, heat preservation heating assembly including set up the heating element on the outer peripheral face of expansion tank with to the heat retaining cover of expansion tank, heating element sets up between expansion tank and heat retaining cover.
The cooling device is arranged on the outer bottom wall of the box body. The occupation of the internal space of the box body is reduced, and the arrangement of the cooling liquid pipeline is convenient.
The cooling device is a flange cooling device, the flange cooling device comprises an upper flange part fixed on the upper bottom wall of the box body and a lower flange part in butt joint with the upper flange part, the flange cooling device is provided with a through hole penetrating through the upper flange part and the lower flange part to allow a liquid metal experiment pipe to pass through, a cooling liquid groove is arranged on the end face of the opposite end of the upper flange part and/or the lower flange part, a cooling liquid channel used for cooling the liquid metal experiment pipe passing through the through hole is formed after the upper flange part and the lower flange part are in butt joint, sealing structures are arranged on two sides of the cooling liquid channel, and the cooling liquid channel is provided with a cooling liquid inlet and a cooling liquid outlet communicated with the outside of the flange cooling device. Simple structure, the cooling fluid groove of being convenient for process.
And sealing grooves are arranged on the end faces of the opposite ends of the upper flange part and/or the lower flange part on two sides of the cooling liquid tank, sealing rings are arranged in the sealing grooves, and the sealing rings and the sealing grooves form the sealing structure. The sealing effect is better.
The heating element is a heating wire wound on the outer peripheral surface of the expansion tank. Simple structure and convenient heating.
The heat-insulating cover comprises a cover body heat-insulating part and a cover body heat-insulating part, and the heating element is arranged between the cover body heat-insulating part and the expansion tank. The expansion tank can be operated only by taking off the heat-insulating part of the cover cap, so that the labor intensity of operators is reduced.
The heat insulation cover comprises a fixed shell and a heat insulation layer arranged in the fixed shell, and the inner wall surface of the heat insulation layer faces the heating element. The heat of the expansion tank can be isolated, and the heat is prevented from being dissipated into the box body.
At least two expansion tanks are arranged in the box body at intervals, and a heat-preservation heating assembly is arranged outside each expansion tank. Multiple groups of experiments can be carried out simultaneously, and the working efficiency is improved.
The tank cover lifting mechanism is characterized in that a tank cover lifting mechanism used for lifting a tank cover of the expansion tank is arranged in the tank body, a handle is arranged on the tank cover of the expansion tank, the tank cover lifting mechanism comprises a base fixed on the inner top wall of the tank body, a telescopic cylinder is arranged on the base, and a hook used for hooking the handle of the tank cover is arranged at one end, far away from the base, of the telescopic cylinder. The labor intensity of workers is reduced, and the working efficiency is improved.
The telescopic cylinder is assembled on the base in a sliding mode. The interference of the tank cover lifting mechanism on the loading and unloading of the sample is avoided.
The invention has the beneficial effects that: in order to avoid the heat transfer of liquid metal experiment pipe to box and expansion tank, be equipped with in perforation position department on the diapire of box and be arranged in carrying out refrigerated cooling device to the external pipe in the perforation or liquid metal experiment pipe, avoid the heat influence normal work of water, oxygen analysis appearance in the box that box and expansion tank produced. When the sample assembly is loaded and sampled, the liquid metal at the connecting position of the bottom of the expansion tank and the high-temperature experimental section is easy to solidify due to the existence of the cooling device and the long-time opening of the tank cover, and the solidified liquid metal can be melted by heating the expansion tank through the heating element so as to facilitate the installation and the taking out of the sample assembly; the sample subassembly generally includes a plurality of threaded connection's sample, if the sample is stained with liquid metal, takes out the box internal back at the sample subassembly from the expansion tank, the takedown time overlength of each sample, liquid metal also takes place to solidify easily, is unfavorable for the dismantlement of sample, need put into the expansion tank again with the sample subassembly and heat this moment, takes out the sample subassembly again after making liquid metal melt and dismantles each sample, has guaranteed going on smoothly of experiment. Wherein, the expansion tank after the heat preservation cover can keep warm to the heating, avoids the heat that heating element and expansion tank produced to influence the normal work of water, oxygen analysis appearance in the box.
Drawings
FIG. 1 is a schematic structural diagram of a liquid metal loop corrosion test glove box according to the present invention;
FIG. 2 is a schematic diagram of the expansion tank and the heating and holding assembly of FIG. 1;
FIG. 3 is a schematic structural diagram of an upper flange of a flange cooling device of a glove box for a liquid metal loop corrosion test according to the present invention;
FIG. 4 is a view taken along line A of FIG. 3;
FIG. 5 is a schematic structural diagram of a lower flange of a flange cooling device of a glove box for a liquid metal loop corrosion test according to the present invention;
FIG. 6 is a view from the direction B of FIG. 5;
FIG. 7 is a schematic structural view of the tank cover lifting mechanism shown in FIG. 1.
Reference numerals: 1-a box body; 2-an expansion tank; 3-flange cooling means; 4-a tank cover lifting mechanism; 41-a first guide rail; 42-a second guide rail; 43-cylinder; 44-hook; 5-a main box body; 6-a transition chamber; 7-an observation window; 8-glove port; 9-a scaffold; 10-a cylinder body; 11-a tray; 12-circulation fan port; 13-standard interface; 14-pressure gauge; 15-tank body; 16-can lid; 17-a heating element; 18-an insulating layer; 19-covering the heat-insulating part; 20-a cover insulation part; 21-liquid metal test tube; 22-an upper flange portion; 221-an upper liquid feeding tank; 222-upper liquid outlet groove; 223-an upper cooling liquid tank; 224-an upper inner seal groove; 225-upper outer seal groove; 226-upper flange attachment hole; 227-flange fixing holes; 228-a seal ring groove; 229-an upper through hole; 23-lower flange portion; 231-lower liquid inlet tank; 232-discharging the liquid from the liquid outlet tank; 233-lower cooling liquid tank; 234-lower inner seal groove; 235-a lower outer seal groove; 236-lower flange attachment hole; 237-lower through hole; 24-an outer sealing ring; 25-coolant channels; 26-inner seal ring.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment of the liquid metal loop corrosion experiment glove box of the invention is shown in fig. 1 to 7, the liquid metal loop corrosion experiment glove box comprises a bracket 9 and a box body 1 arranged on the bracket 9, and the box body 1 comprises a main box body 5 and a transition chamber 6. As shown in fig. 1, the observation window 7 is provided on the front surface of the main casing 5, the glove port 8 is provided on the observation window 7, and rubber gloves are fitted on the glove port 8, but in other embodiments, the observation windows may be provided on both the front and rear surfaces of the main casing 5. In this embodiment, a lighting fluorescent lamp is installed above the observation window 7, so that an operator can clearly observe and perform operations in the box body. In the embodiment, the two cylinders 10 are arranged at the upper part of the main box body 5, so that the operation space of the sample assembly is greatly increased, more samples can be tested at one time, and in other embodiments, the cylinders are not arranged, and less samples can be tested at one time; an electromagnetic air release valve is also arranged on the cylinder body 10, when the air pressure in the main box body 5 is larger than a set value, automatic air release can be realized, and the stability of the air pressure in the box body is ensured. The main box body 5 is also provided with a circulating fan port 12 and a plurality of standard interfaces 13, and the standard interfaces 13 are provided with a pressure sensor, a water analyzer and an oxygen analyzer so as to monitor the glove box. In this embodiment, a tray 11 is provided in the main box 5 to facilitate the placement of the sample.
In this embodiment, transition room 6 is the transition space of main tank 5 and outside intercommunication, the top of transition room 6 is provided with manometer 14, the below is through trachea and vacuum pump connection, transition room 6 comprises two sealing door, two valves and a cavity, two inside and outside doors can effectual isolated main tank 5 and external contact, make inside and outside sample of box or instrument can pass in and out under main tank and the isolated condition of atmosphere, thereby avoided relapseing to main tank evacuation and gas filled trouble.
As shown in fig. 1 and 2, an expansion tank 2 is arranged in a main tank body 5, the expansion tank 2 is arranged on the bottom wall of the main tank body 5, the axis of the expansion tank 2 coincides with the axis of a cylinder 10, a heat preservation heating assembly is arranged outside the expansion tank 2, the heat preservation heating assembly comprises a heating element 17 arranged on the outer peripheral surface of the expansion tank and a heat preservation cover for preserving heat of the expansion tank 2, the heating element 17 is arranged between the expansion tank 2 and the heat preservation cover, in the embodiment, the heating element 17 is a heating wire wound on the outer peripheral surface of the expansion tank 2, and in other embodiments, the heating element is a heating rod. In the embodiment, the expansion tank 2 comprises a tank body 15 and a tank cover 16, wherein a tank body flange is arranged at the upper part of the tank body 15, and a gasket is arranged between the tank body flange and the tank cover 16 and is fixedly connected with the tank body flange through a screw; the upper portion of the can lid 16 is provided with a handle to facilitate hooking of the can lid by the can lid lifting mechanism. The lid 16 is provided with an internal thread at a central position of a side thereof facing the can body 15, and has a function of fixing the sample assembly. In this embodiment, the can body 15 and the can lid 16 are made of stainless steel.
As shown in fig. 2, the heat-insulating cover includes a cover heat-insulating portion 20 and a cover heat-insulating portion 19, and both the cover heat-insulating portion 20 and the cover heat-insulating portion 19 are made of polytetrafluoroethylene materials. The heating element 17 is arranged between the cover heat-insulating part 20 and the tank body 15, and the expansion tank can be operated only by taking off the cover heat-insulating part, so that the labor intensity of operators is reduced. Certainly, in other embodiments, the cover heat-insulating part and the cover heat-insulating part can be integrally arranged, so that the heat-insulating effect is better, but the sample assembly can be installed and taken out only by taking the whole cover heat-insulating part away, and the labor intensity of operators is increased. In this embodiment, the cover thermal insulation portion 19 is provided with a handle for an operator to take off the cover thermal insulation portion, however, in other embodiments, the cover thermal insulation portion is not provided with a handle, and an anti-slip structure may be provided on an outer surface of the cover thermal insulation portion, so that the cover thermal insulation portion can be taken up by the anti-slip structure. In this embodiment, the cover insulating part 20 and the cover insulating part 19 both include a fixed housing and an insulating layer 18 installed in the fixed housing, and the inner wall surface of the insulating layer 18 faces the heating element 17, so that the heat of the expansion tank can be isolated, and the heat can be prevented from being dissipated into the tank body; in the embodiment, the heat-insulating layer 18 is made of aluminum silicate heat-insulating cotton which is a green inorganic material and is relatively environment-friendly; good heat preservation effect and high temperature resistance. In other embodiments, the material may be an existing thermal insulation material such as polyurethane. The bottom of the expansion tank 2 is connected with the liquid metal experiment pipe 21 through welding to buffer the pressure fluctuation of the main loop system, so that the liquid metal in the loop system has a certain expansion margin, and the heating element 17 is arranged to prevent the residual liquid metal at the bottom of the expansion tank 2 from solidifying and blocking the liquid metal experiment pipe 21 in the sample loading or sampling process, so that the sample component can be smoothly extracted or loaded. The liquid metal test tube 21 is a circulation loop to ensure the temperature of the liquid metal in the liquid metal test tube to be stable. In other embodiments, the expansion tank is provided with an external pipe penetrating out of the bottom wall of the main tank body, the liquid metal experiment pipe is connected with the expansion tank through the external pipe, and at the moment, the flange cooling device cools the external pipe.
As shown in fig. 2 to 6, in the present embodiment, a flange cooling device 3 is provided on the outer bottom wall of the main tank 5 at the connection position of the expansion tank 2 and the liquid metal test tube 21, the flange cooling device 3 includes an upper flange portion 22 fixed on the outer bottom wall of the main tank 5 and a lower flange portion 23 butted against the upper flange portion, the upper flange portion 22 is screwed on the outer bottom wall of the main tank 5 by a flange and is located right below the expansion tank 2, and a sealing ring groove 228 is provided on the side of the upper flange portion 22 facing the outer bottom wall of the main tank 5 to ensure the sealing performance of the flange cooling device. In this embodiment, the edge of the upper flange part 22 is provided with a flange fixing hole 227, the upper flange part 22 is fixed on the outer bottom wall of the main box 5 by the flange fixing hole 227 and the bolt, the upper flange part 22 is provided with an upper cooling liquid tank 223, the lower flange part 23 is provided with a lower cooling liquid tank 233, and the upper cooling liquid tank 223 and the lower cooling liquid tank 233 form a cooling liquid channel 25 after the upper flange part 22 and the lower flange part 23 are butted. In other embodiments, the cooling fluid bath is provided only on the upper or lower flange portion. The upper flange part 22 is provided with an upper through hole 229, the lower flange part 23 is provided with a lower through hole 237, the flange cooling device 3 is sleeved on the upper part of the liquid metal experimental pipe 21 through the upper through hole 229 and the lower through hole 237, and the upper through hole 229 and the lower through hole 237 form the through hole of the flange cooling device, so that the cooling efficiency is improved. In this embodiment, coolant liquid channel 25 is close to the through-hole position setting of flange cooling device 3, because flange cooling device 3 overlaps through the through-hole and establishes on liquid metal experiment pipe, and coolant liquid channel is close to liquid metal experiment pipe setting promptly, makes the heat of the absorption liquid metal experiment pipe that flange cooling device can be better to go out heat transfer through the coolant liquid, in other embodiments, the through-hole position setting is kept away from to the coolant liquid channel. In this embodiment, the upper flange part 22 is provided with an upper outer sealing groove 225 and an upper inner sealing groove 224 on both sides of the upper cooling liquid groove 223, the lower flange part 23 is provided with a lower outer sealing groove 235 and a lower inner sealing groove 234 on both sides of the lower cooling liquid groove 233, wherein the upper outer sealing groove 225 and the lower outer sealing groove 235 form an outer sealing channel for placing the outer sealing ring 24, the upper inner sealing groove 224 and the lower inner sealing groove 234 form an inner sealing channel for placing the inner sealing ring 26, so as to ensure the sealing of the cooling liquid in the cooling channel and prevent the cooling liquid from leaking; in other embodiments, sealant can be applied to the two sides of the cooling liquid groove on the opposite end surfaces of the upper flange part and the lower flange part to achieve the sealing effect. The upper flange part 22 is provided with an upper flange connecting hole 226, the lower flange part 23 is provided with a lower flange connecting hole 236, and the upper flange part 22 and the lower flange part 23 are matched with the upper flange connecting hole 226 and the lower flange connecting hole 236 through fasteners to realize butt joint and fixation, so that subsequent maintenance and disassembly are facilitated. In this embodiment, the upper flange portion 22 is provided with an upper liquid inlet groove 221 and an upper liquid outlet groove 222, the lower flange portion 23 is provided with a lower liquid inlet groove 231 and a lower liquid outlet groove 232, the upper liquid inlet groove 221 and the lower liquid inlet groove 231 form a liquid inlet channel, and the upper liquid outlet groove 222 and the lower liquid outlet groove 232 form a liquid outlet channel.
In this embodiment, the coolant liquid passageway is the annular, can be with the whole cooling of a week of liquid metal experiment pipe, furthest has avoided the interior heat of liquid metal experiment pipe to transmit in the main tank body. In other embodiments, the coolant channel is semi-annular. In this embodiment, the one end that coolant liquid passageway 25 was kept away from to inlet channel is the coolant liquid import, and the one end that coolant liquid passageway 25 was kept away from to liquid outlet channel is the coolant liquid export, and coolant liquid import and coolant liquid export are close to each other and set up on flange cooling device 3's outer peripheral face, not only are convenient for be connected with the cooling source, have increased one section in addition along the radial cooling cistern that arranges of flange cooling device, can cool down whole flange cooling device. In other embodiments, the coolant inlet and the coolant outlet are located remotely from each other; or the cooling liquid inlet and the cooling liquid outlet are both arranged on the end surface of the flange cooling device. The cooling liquid in this embodiment is water, and the flange cooling device 3 is connected with the external circulating water cooler through a cooling liquid inlet and a cooling liquid outlet, so that the bottom of the main tank body 5 and the bottom of the expansion tank 2 are well cooled, and the heat transfer effect of the uppermost end of the liquid metal experiment pipe 21 on the expansion tank 2 and the main tank body 5 can be effectively relieved.
As shown in fig. 1 and 7, a tank cover lifting mechanism 4 is further disposed in the main tank 5, and the tank cover lifting mechanism 4 includes a first rail 41 and a second rail 42 perpendicular to the first rail 41 and slidably mounted on the first rail 41, and the first rail and the second rail form a base, and in other embodiments, the base includes only the first rail or the second rail. The second guide rail 42 is slidably equipped with a cylinder 43, the cylinder 43 constitutes a telescopic cylinder, the telescopic cylinder is easy to operate and control, and automation is convenient to realize, and of course, in other embodiments, the telescopic cylinder is an oil cylinder. The end of the cylinder 43 is provided with a hook 44 for hooking the tank cover 16, and the hook 44 is U-shaped to ensure the stability when hooking the tank cover. In this embodiment, the first guide rails 41 are arranged in two parallel, the two first guide rails 41 are welded on the inner top wall of the main box 5, the two ends of the second guide rail 42 are slidably assembled on the two first guide rails 41, so that the hook can move transversely, the air cylinder 43 is slidably assembled on the second guide rail 42, so that the hook can move longitudinally, in other embodiments, the number of the first guide rails is one, and the middle position of the second guide rail is slidably assembled with the first guide rails. Since the can lid 16 and the sample assembly connected to the can lid 16 are heavy, the can lid lifting mechanism 4 can assist the worker in lifting the can lid 16, and the can lid 16 can be moved forward, backward, left, and right to a proper position by the first guide rail 41 and the second guide rail 42. The sample assembly can be detached from the tank cover by workers, so that the labor intensity of the workers is reduced. In this embodiment, the interval is provided with two expansion tanks 2 in the main tank body 5, and the outside of each expansion tank 2 all is equipped with heat preservation heating element, can carry out the multiunit experiment simultaneously, has improved work efficiency. In other embodiments, one or more than three expansion tanks can be arranged in the main tank body, and the heat-preservation heating assemblies correspond to the expansion tanks one by one.
For a better understanding of the concept of the invention, the specific function of the various components is further explained below by the sample assembly removal and installation process. 1) The sample to be corroded is placed in the transition chamber 6 and is transferred into the main box body 5 after vacuumizing and air supplementing operations. 2) After the operating temperature and the flow rate of the liquid metal loop are reduced to the working condition that the sampling can be carried out, starting the sampling operation, stopping circulating cooling water in the flange cooling device 3, and removing the cover heat preservation part 19; after the fastening screw on the tank cover 16 is completely detached, the tank cover lifting mechanism 4 is started to connect the hook 44 with the handle on the upper part of the tank cover 16; starting the cylinder 43, the tank cover 16 is lifted vertically to a proper height, and the sample assembly in the liquid metal test tube 21 is lifted together as the tank cover 16 is screwed with the sample assembly through the internal thread; then the sample assembly is separated from the can lid 16, and the can lid 16 is moved to a proper position of the main body 5 by the can lid lifting mechanism 4 so as not to interfere with the lifting operation of the sample assembly; in continuing promoting sample subassembly to the barrel 10 that corresponds, the setting up of barrel has greatly increased sample subassembly's removal operating space, makes easily to corrode experimental sample subassembly and draws out from liquid metal test tube 21 and expansion tank 2 completely. 3) And starting a sample changing program, removing the sample with the preset corrosion time, changing a new sample to be corroded, and reassembling the new sample assembly. 4) Starting the new sample assembly installation process, which is the reverse process of step 2), and will not be described herein.
According to the glove box for the liquid metal loop corrosion experiment, the flange cooling device is arranged on the outer bottom wall of the main box body, so that a good cooling effect can be achieved on the bottom of the main box body and the bottom of the expansion tank, and the heat transfer effect of the uppermost end of the liquid metal experiment section on the expansion tank can be effectively relieved, so that the overhigh atmosphere temperature in the glove box is prevented, and the normal operation of a water and oxygen analyzer is ensured; the heating and heat-insulating assembly is arranged outside the expansion tank, so that the atmosphere temperature in the glove box and the process of loading and sampling the sample assembly are effectively ensured to be smoothly carried out; the tank cover lifting mechanism is arranged on the inner top wall of the main tank body, so that the problem that a sample assembly and a tank cover are not easy to disassemble and assemble is solved, and humanized operation in the sample assembling and taking process is realized; the upper portion of the main box body is provided with the barrel, the problem that the operation space inside the glove box is small is solved, more samples can be tested at one time, and the efficiency is improved.
Claims (9)
1. Liquid metal return circuit is glove box for corrosion experiments, including the box that has the glove hole, its characterized in that: the expansion tank is arranged in the box body, an external connecting pipe which is arranged on the expansion tank and is used for being connected with a liquid metal experimental pipe is arranged on the bottom wall of the box body, the external connecting pipe extends out of the box body or a perforation which is used for penetrating the liquid metal experimental pipe communicated with the expansion tank into the box body is arranged on the bottom wall of the box body, a cooling device for cooling the external connecting pipe or the liquid metal experimental pipe in the perforation is arranged at the position of the perforation, a heat-preservation heating assembly is arranged outside the expansion tank and comprises a heating element arranged on the outer peripheral surface of the expansion tank and a heat-preservation cover for preserving heat of the expansion tank, the heating element is arranged between the expansion tank and the heat-preservation cover, and in the sample loading or sampling process, the heating element can prevent the residual liquid metal at the bottom of the expansion tank from being solidified to block the liquid metal experimental pipe, so that, the expansion tank comprises a tank body and a tank cover, a handle is arranged at the upper part of the tank cover, so that the tank cover can be hung on the tank cover by a tank cover lifting mechanism conveniently, and an internal thread is arranged at the central position of one side of the tank cover, which faces the tank body, and has the function of fixing a sample assembly; the cooling device is arranged on the outer bottom wall of the box body.
2. The liquid metal loop corrosion experiment glove box of claim 1, wherein: the cooling device is a flange cooling device, the flange cooling device comprises an upper flange part fixed on the outer bottom wall of the box body and a lower flange part butted with the upper flange part, the flange cooling device is provided with a through hole penetrating through the upper flange part and the lower flange part to allow a liquid metal experiment pipe to pass through, a cooling liquid groove is arranged on the end face of the opposite end of the upper flange part and/or the lower flange part, a cooling liquid channel for cooling the liquid metal experiment pipe passing through the through hole is formed after the upper flange part and the lower flange part are butted, two sides of the cooling liquid channel are provided with sealing structures, and the cooling liquid channel is provided with a cooling liquid inlet and a cooling liquid outlet communicated with the outside of the flange cooling device.
3. The liquid metal loop corrosion experiment glove box of claim 2, wherein: and sealing grooves are arranged on the end faces of the opposite ends of the upper flange part and/or the lower flange part on two sides of the cooling liquid tank, sealing rings are arranged in the sealing grooves, and the sealing rings and the sealing grooves form the sealing structure.
4. A liquid metal loop corrosion test glove box according to any of claims 1-3, wherein: the heating element is a heating wire wound on the outer peripheral surface of the expansion tank.
5. A liquid metal loop corrosion test glove box according to any of claims 1-3, wherein: the heat-insulating cover comprises a cover body heat-insulating part and a cover body heat-insulating part, and the heating element is arranged between the cover body heat-insulating part and the expansion tank.
6. A liquid metal loop corrosion test glove box according to any of claims 1-3, wherein: the heat insulation cover comprises a fixed shell and a heat insulation layer arranged in the fixed shell, and the inner wall surface of the heat insulation layer faces the heating element.
7. A liquid metal loop corrosion test glove box according to any of claims 1-3, wherein: at least two expansion tanks are arranged in the box body at intervals, and a heat-preservation heating assembly is arranged outside each expansion tank.
8. A liquid metal loop corrosion test glove box according to any of claims 1-3, wherein: the tank cover lifting mechanism comprises a base fixed on the inner top wall of the tank body, a telescopic cylinder is arranged on the base, and a hook used for hooking a handle of the tank cover is arranged at one end, far away from the base, of the telescopic cylinder.
9. The liquid metal loop corrosion experiment glove box of claim 8, wherein: the telescopic cylinder is assembled on the base in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810873637.XA CN108801895B (en) | 2018-08-02 | 2018-08-02 | Liquid metal loop is glove box for corrosion experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810873637.XA CN108801895B (en) | 2018-08-02 | 2018-08-02 | Liquid metal loop is glove box for corrosion experiments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108801895A CN108801895A (en) | 2018-11-13 |
| CN108801895B true CN108801895B (en) | 2021-04-30 |
Family
ID=64079285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810873637.XA Active CN108801895B (en) | 2018-08-02 | 2018-08-02 | Liquid metal loop is glove box for corrosion experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108801895B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109870402A (en) * | 2019-03-04 | 2019-06-11 | 西南交通大学 | A kind of liquid alkali metal Dynamic Corrosion experimental provision |
| CN111879911A (en) * | 2020-06-15 | 2020-11-03 | 中国原子能科学研究院 | Experimental device for static compatibility of liquid metal |
| CN114768900B (en) * | 2022-04-26 | 2024-04-30 | 广东电网有限责任公司广州供电局 | Experimental device for be used for transformer compatibility test |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353201A (en) * | 2000-11-10 | 2002-06-12 | 刘恩琛 | Electric arc furnace for reducing and smelting iron ore and refining steel and its technology |
| CN202441989U (en) * | 2012-02-03 | 2012-09-19 | 陈光焕 | High-temperature high-pressure totally-enclosed valve oil-immersed screw cooling cylinder |
| CN202733160U (en) * | 2012-08-29 | 2013-02-13 | 中天钢铁集团有限公司 | Cooling and heat-insulating device of high-temperature electric regulation valve |
| CN103914088A (en) * | 2014-03-19 | 2014-07-09 | 中国科学院近代物理研究所 | Device and method for controlling oxygen content in liquid lead bismuth alloy |
| CN204004932U (en) * | 2014-09-01 | 2014-12-10 | 中国核动力研究设计院 | A kind of water-cooled insulated enclosure flange being applicable under high-temperature and high-pressure conditions |
| CN104457854A (en) * | 2014-12-11 | 2015-03-25 | 安徽科技学院 | Liquid metal medium forced convection experimental loop |
| CN106256913A (en) * | 2016-06-27 | 2016-12-28 | 百色学院 | A kind of fluent metal loop melting pot |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6086446A (en) * | 1983-10-18 | 1985-05-16 | Toshiba Corp | Immersion testing method in liquid sodium |
| CN101592587B (en) * | 2009-07-10 | 2012-10-10 | 中国科学院等离子体物理研究所 | Device and method for static corrosion experiment of liquid medium |
| CN101655445B (en) * | 2009-09-10 | 2012-06-13 | 上海化工研究院 | Heat pump type metal corrosion test method and device |
| CN102254577B (en) * | 2011-06-30 | 2013-05-22 | 西安交通大学 | Liquid sodium metal thermohydraulic experimental loop system and using method thereof |
| CN104458550A (en) * | 2014-11-25 | 2015-03-25 | 安徽科技学院 | Liquid medium minitype heat convection test loop |
| CN205272076U (en) * | 2015-12-23 | 2016-06-01 | 中国科学院金属研究所 | Resistant hydrofluoric acid glove box for experiment |
| CN106323855B (en) * | 2016-09-08 | 2019-07-26 | 中国科学院近代物理研究所 | Automation control oxygen/corrosion device and method in high-temperature lead bismuth melt |
| CN107807202A (en) * | 2016-09-09 | 2018-03-16 | 国核华清（北京）核电技术研发中心有限公司 | Fused mass experimental rig with confined space |
| CN207335505U (en) * | 2017-09-12 | 2018-05-08 | 大连海事大学 | A kind of charging device of liquid metal high temperature pulsating heat pipe |
| CN107436106B (en) * | 2017-09-12 | 2023-05-05 | 大连海事大学 | Liquid filling device and method for liquid metal high-temperature pulsating heat pipe |
| CN107643230A (en) * | 2017-11-09 | 2018-01-30 | 哈尔滨工业大学深圳研究生院 | A kind of corrosion rate test equipment under argon gas hot environment |
| CN107754378A (en) * | 2017-12-14 | 2018-03-06 | 江苏天脉化工有限公司 | A kind of chemical waste liquid type petroleum crude recovery device |
-
2018
- 2018-08-02 CN CN201810873637.XA patent/CN108801895B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1353201A (en) * | 2000-11-10 | 2002-06-12 | 刘恩琛 | Electric arc furnace for reducing and smelting iron ore and refining steel and its technology |
| CN202441989U (en) * | 2012-02-03 | 2012-09-19 | 陈光焕 | High-temperature high-pressure totally-enclosed valve oil-immersed screw cooling cylinder |
| CN202733160U (en) * | 2012-08-29 | 2013-02-13 | 中天钢铁集团有限公司 | Cooling and heat-insulating device of high-temperature electric regulation valve |
| CN103914088A (en) * | 2014-03-19 | 2014-07-09 | 中国科学院近代物理研究所 | Device and method for controlling oxygen content in liquid lead bismuth alloy |
| CN204004932U (en) * | 2014-09-01 | 2014-12-10 | 中国核动力研究设计院 | A kind of water-cooled insulated enclosure flange being applicable under high-temperature and high-pressure conditions |
| CN104457854A (en) * | 2014-12-11 | 2015-03-25 | 安徽科技学院 | Liquid metal medium forced convection experimental loop |
| CN106256913A (en) * | 2016-06-27 | 2016-12-28 | 百色学院 | A kind of fluent metal loop melting pot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108801895A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108801895B (en) | Liquid metal loop is glove box for corrosion experiments | |
| KR102115053B1 (en) | Instrumentation and control penetration flange for pressurized water reactor | |
| US11984231B2 (en) | Nuclear reactor plant for housing nuclear reactor modules | |
| CN110867263A (en) | Experimental device and method for researching failure behavior of fuel element in severe accident of nuclear reactor | |
| CN109671509B (en) | Overhauling device and overhauling process method for control rod driving mechanism of high-temperature gas cooled reactor | |
| CN105334138A (en) | Molten salt impregnation experiment device for carbon material for molten salt reactor | |
| JPH0335195A (en) | Method and structure of shielding radiation from structure in storing condition | |
| CN101758322A (en) | Underwater remote-control welding system | |
| CN216472814U (en) | External temperature monitoring and automatic cooling device of glass kiln | |
| CN209487163U (en) | The refuelling system of pool reactor | |
| CN202748232U (en) | Thermal vacuum test device | |
| WO2024001187A1 (en) | Suction type sampling system for molten metal medium in reactor vessel | |
| JPS6047560B2 (en) | Nuclear equipment in loop configuration | |
| CN208399347U (en) | Fluent metal loop corrosion experiment glove box | |
| CN215286435U (en) | Storage device that leakproofness is good for benzaldehyde | |
| JPS6057557B2 (en) | Reactor | |
| CN219449544U (en) | Observation hole structure and kiln | |
| JPH11311693A (en) | Taking-out method of nuclear reactor pressurized vessel and opening and closing device therefor | |
| Trauger et al. | Circulating fused-salt fuel irradiation test loop | |
| CN114769237B (en) | High-efficient self-cleaning device in U type titanium sponge reactor distillation passageway | |
| CN115060546A (en) | System for sampling molten metal medium in reactor vessel | |
| CN210657136U (en) | Titanium plating furnace | |
| CN209804278U (en) | Nuclear waste treatment recirculated cooling water isolation valve | |
| JPH023159B2 (en) | ||
| Freede | SRE Core Recovery Program |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |