CN216528051U - Mobile reactor system - Google Patents

Abstract

The utility model provides a mobile reactor system which comprises a reactor, a first carrier loader, a mobile second cooling mobile device and a mobile third cooling mobile device, wherein the reactor is arranged on the first carrier loader, and the second cooling mobile device and the third cooling mobile device are connected with the reactor to cool the reactor. The reactor is arranged on the first carrying vehicle by the mobile reactor system, and the reactor is cooled by the additional movable second cooling mobile device and the third cooling mobile device, so that the capacity of the first carrying vehicle is reduced, the transportation is convenient, and the reactor can be quickly assembled after arriving at a destination.

Description

Mobile reactor system

Technical Field

The utility model relates to the technical field of nuclear energy, in particular to a movable reactor system.

Background

A nuclear reactor is a device that initiates, controls, and maintains nuclear fission or nuclear fusion chain reactions. Conventional nuclear reactors typically employ control rods or control drums for reactivity control.

Conventional reactors are too large to be transported, and thus a mobile reactor system for easy transportation is required.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a mobile reactor system for facilitating transportation of a reactor, which overcomes the above-mentioned drawbacks of the related art.

The technical scheme adopted by the utility model for solving the technical problem comprises the following steps: the utility model provides a portable reactor system, includes reactor, first carrier loader, mobilizable second cooling mobile device and mobilizable third cooling mobile device, the reactor is established on the first carrier loader, second cooling mobile device and third cooling mobile device connect the reactor, in order to right the reactor cools off.

Preferably, the second cooling moving device comprises a second carrier loader, and a main cooling device and a generator which are arranged on the second carrier loader, and the third cooling moving device comprises a third carrier loader and an air cooler which is arranged on the third carrier loader;

the generator is connected with the main cooling equipment to supply power to the main cooling equipment, the main cooling equipment is connected with the reactor and the air cooler through a connecting pipe to discharge waste heat in the reactor to the air cooler, and cooling media of the air cooler are conveyed into the reactor.

Preferably, the connection tube is a hose.

Preferably, the mobile reactor system includes a main pump connected to the reactor, and the main cooling apparatus includes a compressor connected to the main pump and a turbine driving the compressor.

Preferably, the reactor is provided with a main cooling air outlet pipe and a main cooling air return pipe which are communicated with the inside of the reactor;

the main cooling equipment is connected with the main cooling air return pipe and the main cooling air outlet pipe through the connecting pipe.

Preferably, the reactor comprises a shell, a reactor core barrel arranged in the shell and a reactor core arranged in the reactor core barrel, axial air cavities are reserved at two axial ends of the reactor core barrel and the shell, and the main cooling air outlet pipe and the main cooling air return pipe are communicated with the axial air cavities.

Preferably, the core comprises laterally arranged fuel rods.

Preferably, the core includes transversely disposed heat pipes including a heating section inserted into the receiving channel and a cooling section exposed outside the core barrel.

Preferably, the core comprises a loading body and a heat pipe arranged in the loading body, wherein the heat pipe comprises a heating section inserted into the loading body and a cooling section exposed in the axial air cavity.

Preferably, the reactor further comprises an emergency cooling system and an instrument control system for cooling the reactor, and the instrument control system is connected with the emergency cooling system to control the opening and closing of the emergency cooling system reactor.

The technical scheme of the utility model at least has the following beneficial effects: this portable reactor system establishes the reactor on first carrier loader, and cools off the reactor through other mobilizable second cooling mobile device and third cooling mobile device, has reduced the load capacity of first carrier loader to the transportation of being convenient for, after arriving the destination, also can fast assembly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a mobile reactor system according to an embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of a reactor of the mobile reactor system of fig. 1.

The reference numerals in the figures denote: the reactor emergency cooling system comprises a first carrier vehicle 31, a second carrier vehicle 32, a third carrier vehicle 33, a reactor 2, a main cooling device 41, a generator 42, an air cooler 43, a connecting pipe 44, a shell 21, a reactor core barrel 22, a reactor core 23, a main cooling air outlet pipe 291, a main cooling air return pipe 292, a circumferential air gap 211, an axial air cavity 212, a carrier body 241, a heat pipe 243, a main pump 45, a compressor 411, a steam turbine 412, a fuel rod 242, a heat pipe 243, a reactor emergency cooling system 27, a reactor emergency cooling air inlet pipe 271, a reactor emergency cooling air outlet pipe 272, a reactor emergency valve 273, a reactor core emergency cooling system 26, a reactor core emergency cooling air inlet pipe 262, a reactor core emergency cooling air outlet pipe 261 and a reactor core emergency valve 263.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that if the terms "upper", "lower", "longitudinal", "lateral", "inner", "outer", etc. are used herein to indicate an orientation or positional relationship configured and operative in a particular orientation based on the orientation or positional relationship shown in the drawings, this is for convenience in describing the present invention and does not indicate that the device or component being referred to must have a particular orientation, and therefore, should not be construed as limiting the present invention. It is also to be understood that, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "disposed," and the like, if used herein, are intended to be inclusive, e.g., that they may be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. If the terms "first", "second", "third", etc. are used herein only for convenience in describing the present technical solution, they are not to be taken as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. 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 following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

Referring to fig. 1-2, a mobile reactor system according to an embodiment of the present invention includes a reactor 2, a first carrier 31, a second mobile cooling device and a third mobile cooling device, where the reactor 2 is disposed on the first carrier 31, and the second mobile cooling device and the third mobile cooling device are connected to the reactor 2 to cool the reactor 2.

This portable reactor system establishes reactor 2 on first carrier loader 31, and cools off the reactor through other mobilizable second cooling mobile device and third cooling mobile device, has reduced the load capacity of first carrier loader 31 to be convenient for transport, after arriving the destination, also can fast assembly.

The reactor 2, the main cooling device 41, the generator 42, the air cooler 43 and the connecting pipe 44, wherein the first carrier loader 31, the second carrier loader 32 and the third carrier loader 33 are moving carriers, the reactor 2 is arranged on the first carrier loader 31, the main cooling device 41 and the generator 42 are arranged on the second carrier loader 32, and the air cooler 43 is arranged on the third carrier loader 33;

preferably, the second cooling moving device includes a second carrier vehicle 32, and a main cooling device 41 and a generator 42 provided on the second carrier vehicle 32, and the third cooling moving device includes a third carrier vehicle 33 and an air cooler 43 provided on the third carrier vehicle 33;

the generator 42 is connected to the main cooling device 41 to supply power to the main cooling device 41 to drive the main cooling device 41 to operate, the main cooling device 41 is connected to the reactor 2 and the air cooler 43 through a connection pipe 44 to discharge waste heat in the reactor 2 to the air cooler 43, and a cooling medium of the air cooler 43 is delivered to the reactor 2 to achieve cooling of the reactor 2.

The whole mobile reactor system is carried by the first carrier loader 31, the second carrier loader 32 and the third carrier loader 33, so that the load capacity of each carrier loader is further reduced, the transportation is convenient, and the mobile reactor system can be quickly assembled after arriving at a destination; this portable reactor system adopts the air cooler 43 of high heat transfer ability to remove waste heat, does not need the water source in normal operating, adapts to anhydrous environment, even go to anhydrous environment also can normal operating.

Preferably, the connection tube 44 is a hose. The devices are connected by adopting the hose, so that the centering elevation of each device is not required to be too large, and the distance between each device in the horizontal direction is not required; enhanced transport mobility and convenience of the mobile reactor 2, enhanced resistance to external shock from seismic shocks and other external events, since shock loads tend to break rigid connections, but not flexible connections; the adaptability of the mobile reactor 2 to the concave-convex environment of the earth surface is enhanced, and the reactor 2 can be assembled and started to generate power no matter what the relative height difference of the earth surface where the carrier vehicle is located.

Preferably, the mobile reactor system includes a main pump 45 connected to the reactor 2 through a connection pipe 44, and the main cooling device 41 includes a compressor 411 connected to the main pump 45 through the connection pipe 44 and a turbine 412 driving the compressor 411 to discharge waste heat in the reactor 2 to the air cooler 43 and deliver a cooling medium to the reactor 2, thereby achieving cooling of the reactor 2.

Preferably, the mobile reactor system comprises a shell 21, a core barrel 22 arranged in the shell 21, a core 23 arranged in the core barrel 22, a main cooling air outlet pipe 291 and a main cooling air return pipe 292 which are communicated with the shell 21, wherein the axis of the core 23 is transversely arranged to reduce the height of the reactor 2 and facilitate transportation, and a circumferential air gap 211 is arranged between the core barrel 22 and the shell 21; the core barrel 22 is disposed at the axial middle section of the casing 21 such that the axial both ends of the core barrel 22 and the casing 21 retain the axial air chamber 212.

Preferably, the reactor 2 is provided with a main cooling air outlet pipe 291 and a main cooling air return pipe 292 which are communicated with the interior of the reactor 2;

the main cooling device 41 is connected to a main cooling return air pipe 292 and a main cooling outlet air pipe 291 via a connection pipe 44.

Preferably, the main cooling air outlet pipe 291 and the main cooling return air pipe 292 communicate with the axial air chamber 212.

Preferably, the core 23 includes laterally disposed fuel rods 242 to facilitate reducing the height of the core 23 for ease of transport. The fuel rods 242, otherwise known as fuel columns, are cylindrical in shape with a graphite matrix having an outer diameter that conforms to the contents of the receiving channels in the loading body 241. The density of the dispersed isotropic coated particles TRISO, also known as Tri-structural iso-tropic, in the fuel rod 242 may be optimally configured, and the fuel rod 242 made of graphite provides a support matrix for the TRISO.

Preferably, the core 23 includes heat pipes 243 arranged in a lateral direction, and the heat pipes 243 include a heating section inserted into the receiving channel of the carrier 241 and a cooling section exposed outside the core barrel 22, and the cooling section is cooled by the cooling gas. The heat pipe 243(heat pipe) is also called as a capillary heat pipe 243, is a heat transfer element for realizing heat transfer by means of phase change of working liquid in the heat pipe 243, and has the advantages of high heat conductivity, excellent isothermal property, long-distance transmission and the like. Heat pipes 243 are driven by passive capillary forces, do not require active equipment, and do not rely on gravity. The cooling material in the tube is preferably sodium metal or potassium metal. In addition, the heat pipe 243 has light weight and no moving parts, so that maintenance is basically not needed, and the environmental adaptability is good. The working principle of the heat pipe 243 is as follows: the heat pipe 243 is composed of a pipe shell and a wick, and is sealed by pumping the pipe to a negative pressure and filling a proper amount of working liquid into the pipe, so that a wick capillary porous material tightly attached to the inner wall of the pipe is filled with the liquid. One end of the tube is a heating section, namely an evaporation section, and the other end of the tube is a cooling section, namely a condensation section, and a heat insulation section can be arranged between the two sections according to application requirements. When one end of the heat pipe 243 is heated, the liquid in the capillary wick evaporates and vaporizes, the vapor flows to the other end under a slight pressure difference to release heat and condense into liquid, and the liquid flows back to the evaporation section along the porous material under the action of capillary force. This is done, and heat is transferred from one end of the heat pipe 243 to the other.

Preferably, the axial air cavity 212 communicates with the circumferential air gap 211; the core 23 includes a loading body 241 and a heat pipe 243 provided in the loading body 241, the heat pipe 243 including a heating section inserted into the loading body 241 and a cooling section exposed to the axial air chamber 212.

Preferably, the reactor 2 further comprises an emergency cooling system for cooling the reactor 2 and an instrument control system, and the instrument control system is connected with the emergency cooling system to control the opening and closing of the emergency cooling system reactor 2.

Preferably, the emergency cooling system further includes a reactor emergency cooling system 27, the reactor emergency cooling system 27 includes a reactor emergency cooling air inlet pipe 271, a reactor emergency cooling air outlet pipe 272 and at least two reactor emergency valves 273 respectively disposed on the reactor emergency cooling air inlet pipe 271 and the reactor emergency cooling air outlet pipe 272, the reactor emergency cooling air inlet pipe 271 and the reactor emergency cooling air outlet pipe 272 are communicated with the axial air cavity 212, and the instrument control system is connected with the reactor emergency valves 273 to control the opening and closing of the reactor emergency cooling air inlet pipe 271 and/or the reactor emergency cooling air outlet pipe 272.

When an accident occurs to the reactor 2, the normal heat discharge system of the reactor 2 is unavailable, that is, the cooling channels from the normal operation air inlet and the normal operation air outlet are damaged. The instrument control system drives the reactor emergency cooling air inlet pipe 271 and the reactor emergency cooling air outlet pipe 272 to open the reactor emergency valve 273. Air enters the axial air cavity 212 where the heat pipe 243 is located from the reactor emergency cooling air inlet pipe 271, absorbs heat of the heat pipe 243, and is discharged through the reactor emergency cooling air outlet pipe 272 after the temperature is raised.

Preferably, the reactor emergency cooling inlet pipe 271 and the reactor emergency cooling outlet pipe 272 are respectively communicated with the upper part and the lower part of the axial air cavity 212, the density is reduced due to the temperature increase of the heated gas, so that the natural flow from bottom to top can be formed, and the external air enters the circumferential air gap 211 through the reactor emergency cooling inlet pipe 271 and is discharged out of the shell 21 through the reactor emergency cooling outlet pipe 272.

The reactor 2 includes a battery and the reactor emergency valve 273 is an electrically operated valve and is powered by the battery. After the reactor emergency valve 273 is opened, the axial air cavity 212 is communicated with the external environment through the reactor emergency cooling air inlet pipe 271 and the reactor emergency cooling air outlet pipe 272. When the residual heat of the reactor 2 needs to be discharged, the emergency valve 273 of the reactor is opened.

Preferably, the emergency cooling system further includes the emergency core cooling system 26, the emergency core cooling system 26 includes an emergency core cooling inlet pipe 262, an emergency core cooling outlet pipe 261, and at least two emergency core valves 263 respectively disposed on the emergency core cooling inlet pipe 262 and the emergency core cooling outlet pipe 261, the emergency core cooling inlet pipe 262 and the emergency core cooling outlet pipe 261 are communicated with the circumferential air gap 211, and the instrumentation and control system is connected with the emergency core valves 263 to control the opening and closing of the emergency core cooling inlet pipe 262 and/or the emergency core cooling outlet pipe 261.

When an accident occurs to the reactor 2, the normal heat discharge system of the reactor 2 is unavailable, that is, the cooling channels from the normal operation air inlet and the normal operation air outlet are damaged. The instrument control system drives the reactor core 23 emergency cooling air inlet and the reactor core emergency cooling air outlet pipe 261 to open the reactor core emergency valve 263. Air enters the air gap of the reactor 2 through the reactor core emergency cooling air inlet pipe 262, absorbs the residual heat of the reactor 2, and is exhausted through the reactor core emergency cooling air outlet pipe 261 after the temperature is raised.

Preferably, the core emergency cooling inlet pipe 262 and the core emergency cooling outlet pipe 261 are respectively communicated with the circumferential air gap 211 at the lower side and the upper side of the core barrel 22, and since the density is reduced due to the temperature increase after the gas is heated, natural flow from bottom to top is formed, the external air enters the circumferential air gap 211 through the core emergency cooling inlet pipe 262 and is discharged out of the shell 21 through the core emergency cooling outlet pipe 261.

The reactor 2 includes a battery, and the core emergency valve 263 is an electrically operated valve and is powered by the battery. After the reactor core emergency valve 263 is opened, the circumferential air gap 211 is communicated with the external environment through the reactor core emergency cooling air inlet pipe 262 and the reactor core emergency cooling air outlet pipe 261. When the residual heat of the core 23 needs to be discharged, the core emergency valve 263 is opened.

In summary, the mobile reactor system carries the reactor by the first carrier loader 31, the second carrier loader 32 and the third carrier loader 33, so that the load of each carrier loader is further reduced, the transportation is facilitated, and the reactor system can be quickly assembled after arriving at a destination. The devices are connected by adopting the hose, so that the elevation of each device is not required to be too large, and the distance between each device in the horizontal direction is not required;

the movable reactor system adopts the air cooler 43 with high heat exchange capacity to remove waste heat, does not need a water source during normal operation, adapts to a waterless environment, and can normally operate even when the reactor system is in the waterless environment; enhanced transport mobility and convenience of the mobile reactor 2, enhanced resistance to external shock from seismic shocks and other external events, since shock loads tend to break rigid connections, but not flexible connections;

the adaptability of the mobile reactor 2 to the concave-convex environment of the earth surface is enhanced, and the reactor 2 can be assembled and started to generate power no matter what the relative height difference of the earth surface where the carrier vehicle is located.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, as it will be apparent to those skilled in the art that various modifications, combinations and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a portable reactor system, characterized in that, includes reactor (2), first carrier loader (31), mobilizable second cooling mobile device and mobilizable third cooling mobile device, reactor (2) are established on first carrier loader (31), second cooling mobile device and third cooling mobile device connect reactor (2) to reactor (2) cool off.

2. The mobile reactor system according to claim 1, wherein the second cooling moving means comprises a second carrier vehicle (32) and a main cooling device (41) and a generator (42) provided on the second carrier vehicle (32), and the third cooling moving means comprises a third carrier vehicle (33) and an air cooler (43) provided on the third carrier vehicle (33);

the generator (42) is electrically connected with the main cooling device (41) to supply power to the main cooling device (41), the main cooling device (41) is connected with the reactor (2) and the air cooler (43) through a connecting pipe (44) to discharge waste heat in the reactor (2) to the air cooler (43), and a cooling medium of the air cooler (43) is conveyed into the reactor (2).

3. The mobile reactor system according to claim 2, wherein the connection pipe (44) is a hose.

4. A mobile reactor system according to claim 2, characterized in that the mobile reactor system comprises a main pump (45) connected to the reactor (2), and that the main cooling device (41) comprises a compressor (411) connected to the main pump (45) and a steam turbine (412) driving the compressor (411).

5. The mobile reactor system according to claim 2, wherein the reactor (2) is provided with a main cooling air outlet pipe (291) and a main cooling air return pipe (292) which are communicated with the interior of the reactor (2);

the main cooling device (41) is connected to the main cooling return air pipe (292) and the main cooling air outlet pipe (291) through the connection pipe (44).

6. The mobile reactor system according to claim 5, wherein the reactor (2) comprises a housing (21), a core barrel (22) arranged in the housing (21) and a core (23) arranged in the core barrel (22), wherein axial air chambers (212) are reserved at two axial ends of the core barrel (22) and the housing (21), and the main cooling air outlet pipe (291) and the main cooling air return pipe (292) are communicated with the axial air chambers (212).

7. The mobile reactor system according to claim 6, wherein the core (23) comprises laterally arranged fuel rods (242).

8. The mobile reactor system of claim 7 wherein the core (23) comprises laterally disposed heat pipes (243), the heat pipes (243) comprising a heating section inserted into a containment channel and a cooling section exposed outside the core barrel (22).

9. The mobile reactor system according to claim 8, wherein the core (23) comprises a containment body (241) and heat pipes (243) provided in the containment body (241), the heat pipes (243) comprising a heating section inserted into the containment body (241) and a cooling section exposed in the axial air chamber (212).

10. The mobile reactor system according to claim 1, wherein the reactor (2) further comprises an emergency cooling system for cooling the reactor (2) and an instrumentation system connected to the emergency cooling system for controlling the opening and closing of the emergency cooling system reactor (2).

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