Remote restart system for vitrification equipment and its operation method

Abstract

This invention provides a system and method for operating it that effectively restarts a cryogenic melting furnace that has stopped due to circumstances such as a power outage at a vitrification facility for processing radioactive waste. [Solution] The method of operating the remote restart system for vitrification equipment includes the stage in which the vitrification equipment is in operation and the stage in which a power loss occurs to the vitrification equipment, the power loss occurring during or before the operation of the vitrification equipment, and the remote restart system assists in restarting the vitrification equipment when a power loss occurs to the vitrification equipment, the remote restart system includes a low-temperature melting furnace, glass frit provided inside the low-temperature melting furnace, a titanium ring for heating the glass frit inside the low-temperature melting furnace, and a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition of the glass frit.

Description

Technical Field

[0001] The present invention relates to a remote restart system for vitrification equipment and an operation method thereof.

Background Art

[0002] For starting up the low-temperature melting furnace of vitrification equipment, titanium rings (Ti rings) must be arranged horizontally and glass frit must be appropriately distributed in the peripheral part. The initial glass loading and titanium ring arrangement work can be appropriately arranged by an operator in close proximity. However, when the vitrification equipment stops due to reasons such as temporary power loss, in order to restart it, it is essential to horizontally arrange the titanium rings remotely through the vitrification equipment gate and appropriately distribute the glass frit.

Summary of the Invention

Problems to be Solved by the Invention

[0003] The problem to be solved by the present invention is to effectively restart a low-temperature melting furnace that has stopped in situations such as power loss of vitrification equipment for treating radioactive waste.

[0004] Another problem is to enable the appropriate arrangement and operation of the titanium rings and glass frit introduced into the upper gate of the low-temperature melting furnace.

[0005] Another problem is to arrange the glass frit in an optimal shape around the titanium ring so as to efficiently achieve the initial ignition operation.

[0006] Another problem is to enable the appropriate control of the titanium rings and glass frit remotely in order to prevent the occurrence of radiation exposure to operators when working in the vicinity of vitrification equipment for treating radioactive waste. [[ID=�5]]

[0007] The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the following description. [Means for solving the problem]

[0008] A method for operating a remote restart system for a vitrification facility according to one aspect of the present invention for achieving the above objectives includes the steps of: the vitrification facility being operated; and the step of a power loss occurring to the vitrification facility, the power loss occurring during or before the operation of the vitrification facility; the remote restart system assists in restarting the vitrification facility when the power loss occurs to the vitrification facility; the vitrification facility includes a low-temperature melting furnace; glass frit provided inside the low-temperature melting furnace; a titanium ring for heating the glass frit inside the low-temperature melting furnace; and the remote restart system includes a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition of the glass frit.

[0009] Furthermore, the titanium ring is provided in a first state in which it is positioned to accommodate the first region of the glass frit in its central part, and the handling unit physically handles the first region in the central part of the titanium ring so that it reaches a second state in which at least the glass frit in the first region is located in the second region which is the peripheral part of the first region.

[0010] Furthermore, in the second state, the glass frit is located in the second region, centered on the first region, at a higher water level than the glass frit in the first region.

[0011] Furthermore, in the second state, the glass frit is positioned such that at least the glass frit in the first region covers the titanium ring.

[0012] Furthermore, the glass frit in the second region is formed to have one of the following inclined surfaces: uniform, non-uniform, or rounded.

[0013] Furthermore, the handling unit includes a bar-shaped main body and a contact portion installed on the main body for handling the glass frit in the first region, wherein the contact portion handles the glass frit based at least on circumferential rotation from the main body.

[0014] The system further includes a guide module for guiding the position of the handling unit when it is introduced into the low-temperature melting furnace, wherein the handling unit is provided such that at least one of the main body and the contact portion is made of a metal material, and the guide module is installed in or around the low-temperature melting furnace to generate a magnetic force within a set range, so that when the handling unit is introduced into the low-temperature melting furnace, the glass frit is handled in such a way that it is positioned at a preset initial position based on the magnetic force.

[0015] Furthermore, the vitrification equipment further includes a water level sensing module inside the low-temperature melting furnace for sensing the state of the glass frit, and the water level sensing module includes a imaging module for sensing the state of the glass frit and a level sensing module for sensing the upper surface level of the glass frit.

[0016] Furthermore, the handling unit is provided in a manner that does not exceed at least the inner circumferential diameter of the handling unit, so that it can enter the central part of the titanium ring.

[0017] A remote restart system for a vitrification facility according to another aspect of the present invention for achieving the above objectives, wherein the vitrification facility includes a low-temperature melting furnace, glass frit provided inside the low-temperature melting furnace, and a titanium ring for heating the glass frit inside the low-temperature melting furnace, the remote restart system includes a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition, the vitrification facility may experience a power outage before or during operation, and the remote restart system includes a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition when the vitrification facility experiences the power outage. [Effects of the Invention]

[0018] According to the present invention as described above, there is one or more of the following effects.

[0019] This invention can effectively restart a low-temperature melting furnace that has stopped due to a power outage or other circumstances in a vitrification facility that processes radioactive waste.

[0020] Furthermore, the titanium rings and glass frit introduced into the upper gate of the low-temperature melting furnace can be properly positioned and operated.

[0021] Furthermore, by arranging the glass frit around the titanium ring in an optimal shape, the initial ignition process can be achieved efficiently.

[0022] Furthermore, when working in close proximity to vitrification equipment that processes radioactive waste, the titanium ring and glass frit can be appropriately controlled from a distance to prevent radiation exposure to workers. [Brief explanation of the drawing]

[0023] [Figure 1] This is a schematic diagram showing the configuration of a remote restart system for a vitrification facility according to one embodiment of the present invention. [Figure 2] It is a diagram showing a state in which glass frit is handled according to FIG. 1. [Figure 3] It is a diagram showing a state in which glass frit is handled according to FIG. 1. [Figure 4] It is a diagram showing a state in which glass frit is handled according to FIG. 1. [Figure 5] It is a flowchart sequentially showing an operation method of a remote restart system of a vitrification facility according to an embodiment of the present invention.

Mode for Carrying Out the Invention

[0024] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The advantages and features of the present invention, and the methods for achieving them, will become clear by referring to the embodiments described in detail later together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and can be realized in various different forms. This embodiment is merely provided to complete the disclosure of the present invention and to fully inform those with ordinary knowledge in the technical field to which the present invention belongs of the scope of the invention. The present invention is defined only by the scope of the claims. The same reference numerals throughout the specification refer to the same components.

[0025] Referring to FIG. 1, a remote restart system of a vitrification facility according to an embodiment of the present invention includes a low-temperature melting furnace 110, glass frit F, titanium rings 120, a manipulator 125, a handling unit 130, a guide module 140, and a state sensing module 150.

[0026] Furthermore, the handling unit 130 includes a main body portion 131 and a contact portion 132. The state sensing module 150 includes a photographing module 151 and a level sensing module 152. The low-temperature melting furnace 110 is provided in a predetermined shape according to the type. <​​The glass frit F is provided inside the low-temperature melting furnace 110. The titanium ring 120 is provided inside the low-temperature melting furnace 110 to heat the glass frit F.

[0028] The handling unit 130 is placed inside the low-temperature melting furnace 110. Furthermore, the handling unit 130 includes a bar shape and other features for handling the glass frit F in a state suitable for re-ignition.

[0029] Referring to Figure 2, the titanium ring 120 is provided in a first state in which it is positioned to accommodate the first region L1 of the glass frit F in its central part. Here, the handling unit 130 is for physically handling the first region L1 in the central part of the titanium ring 120.

[0030] Referring to Figure 3, the handling unit 130 is, for example, designed to bring the glass frit F in at least the first region L1 into a second state, where it is located in the second region L2, which is the peripheral edge of the first region L1.

[0031] In the second state, the glass frit F is located in the second region L2, centered on the first region L1, at a higher water level than the glass frit F in the first region L1.

[0032] Furthermore, in the second state, the glass frit F is positioned such that at least the glass frit F in the first region L1 covers the titanium ring 120. The glass frit F in the second region L2 is formed to have one of the following inclined surfaces: uniform, non-uniform, or round.

[0033] Referring to Figure 1, the main body portion 131 of the handling unit 130 includes a bar shape. The contact portion 132 of the handling unit 130 is provided on the main body portion 131. This contact portion 132 plays a role in handling the glass frit F in the first region L1.

[0034] The contact portion 132 handles the glass frit F from the main body portion 131 based at least on circumferential rotation. The guide module 140 guides the position of the handling unit 130 when it is introduced into the low-temperature melting furnace 110.

[0035] The handling unit 130 is provided such that at least one of the main body 131 and the contact portion 132 includes a metal material. The guide module 140 is installed in or around the low-temperature melting furnace 110 so as to generate a magnetic force within a set range.

[0036] Here, the manipulator 125 can operate the handling unit 130 in conjunction with it. This manipulator 125 is located outside the low-temperature melting furnace 110 and operates the handling unit 130.

[0037] Furthermore, when the handling unit 130 is placed on the low-temperature melting furnace 110 for the physical handling, the guide module 140 is positioned at a preset initial position of the handling unit 130 based on at least one of the magnetic forces, either attractive or repulsive.

[0038] The state sensing module 150 of the vitrification equipment senses the state of the glass frit F inside the low-temperature melting furnace. The imaging module 151 of the state sensing module 150 senses the state of the glass frit F.

[0039] Furthermore, the level sensing module 152 of the state sensing module 150 performs the role of sensing the level of the upper surface of the glass frit F. The handling unit 130 is provided in a size that does not exceed at least the inner circumferential diameter of the handling unit 130 so that it can enter the central part of the titanium ring 120.

[0040] Referring to Figure 5, the operation method of the remote restart system for a vitrification facility according to one embodiment of the present invention is as follows: The vitrification facility is in operation. At this point, a power loss occurs to the vitrification facility.

[0041] Such power loss may occur during or before the operation of the vitrification equipment. The remote restart system assists in restarting the vitrification equipment when such power loss occurs.

[0042] The remote restart system 100 includes a low-temperature melting furnace 110, glass frit F provided inside the low-temperature melting furnace 110, a titanium ring 120 for heating the glass frit F inside the low-temperature melting furnace 110, and a bar-shaped handling unit 130 that is placed inside the low-temperature melting furnace 110 and handles the glass frit F in a state suitable for re-ignition.

[0043] Embodiments of the present invention have been described above with reference to the attached drawings, but those with ordinary skill in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without altering its technical idea or essential features. Therefore, it should be understood that the above embodiment is illustrative in all respects and not limiting.

Claims

1. A method for operating a remote restart system for vitrification equipment, The stage in which the vitrification equipment is operated; and This includes a step in which power is lost to the aforementioned vitrification equipment, The aforementioned power loss occurred during or before the operation of the vitrification equipment. The remote restart system assists in restarting the vitrification equipment when a power loss occurs in the vitrification equipment. The remote restart system is, Low-temperature melting furnace and Glass frit provided inside the low-temperature melting furnace, Inside the low-temperature melting furnace is a titanium ring for heating the glass frit, It includes a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition of the glass frit, The titanium ring is provided in a first state, positioned to accommodate the first region of the glass frit in its central part. The aforementioned handling unit is The first region is physically handled in the central part of the titanium ring so that at least the glass frit in the first region is located in the second region, which is the peripheral edge of the first region, The aforementioned glass frit is In the second state, the upper surface of the glass frit in the second region is at a higher level than the upper surface of the glass frit in the first region. The aforementioned glass frit is In the second state, the glass frit in the first region is positioned to cover at least the titanium ring, The aforementioned handling unit is The main body is bar-shaped, Installed on the main body, and including a contact portion for handling the glass frit in the first region, A method for operating a remote restart system for a vitrification facility, wherein the contact portion handles the glass frit based at least on circumferential rotation from the main body.

2. The glass frit in the second region is uniform, non-uniform, or round in shape. A method for operating the remote restart system for the vitrification equipment according to claim 1, which is formed to form a single inclined surface.

3. The aforementioned vitrification equipment is The low-temperature melting furnace further includes a state sensing module for sensing the state of the glass frit, The aforementioned state sensing module is A method for operating a remote restart system for a vitrification facility according to claim 1, comprising a shooting module for sensing the state of the glass frit and a level sensing module for sensing the upper surface level of the glass frit.

4. A remote restart system for vitrification equipment, Low-temperature melting furnace; Glass frit provided inside the low-temperature melting furnace; A titanium ring for heating the glass frit is placed inside the low-temperature melting furnace; It includes a bar-shaped handling unit that is placed inside the low-temperature melting furnace and handles the glass frit in a state suitable for re-ignition of the glass frit, The titanium ring is provided in a first state, positioned to accommodate the first region of the glass frit in its central part. The aforementioned handling unit is The first region is physically handled in the central part of the titanium ring so that at least the glass frit in the first region is located in the second region, which is the peripheral edge of the first region, The aforementioned glass frit is In the second state, the upper surface of the glass frit in the second region is at a higher level than the upper surface of the glass frit in the first region. The aforementioned glass frit is In the second state, the glass frit in the first region is positioned to cover at least the titanium ring, The aforementioned handling unit is The main body is bar-shaped, Installed on the main body, and including a contact portion for handling the glass frit in the first region, The contact portion handles the glass frit from the main body portion based at least on circumferential rotation. A remote restart system for vitrification equipment.

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