Multilayer c-shaped heat shield for inductive heating furnace for heating volatile components of asteroid soil

Abstract

The application provides a multilayer C-shaped heat shield for an inductive heating furnace for lunar soil volatile component heating, and belongs to the field of lunar soil exploration. The problem of fast heat transfer and easy formation of vortex defects of a traditional heat shield is solved. The heat shield comprises a heat shield, a connecting column and a notch. A plurality of heat shields are arranged. The plurality of heat shields are arranged at intervals from top to bottom. Each adjacent two heat shields are connected through a group of connecting columns. Each group of connecting columns comprises a plurality of connecting columns arranged at equal intervals in a circle. Each adjacent two groups of connecting columns are arranged in a staggered mode. A notch is arranged on each heat shield. The heat shield is mainly used for lunar soil heating and heat insulation.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of asteroid exploration, and particularly relates to a multilayer C-shaped heat shield for an inductive heating furnace for heating volatile components of asteroid. BACKGROUND

[0002] Deep space exploration is not only a manifestation of the technological level of a country, but also a manifestation of the comprehensive national strength. The first sampling return mission of the fourth phase of China's lunar exploration has made a great contribution to the deduction of the evolution history of the moon and scientific research. With continuous updating and iteration of technology, the new phase of the lunar exploration mission plans to analyze the lunar soil samples in situ.

[0003] Unlike the sampling mission, in-situ analysis does not need to bring the samples back to the earth but directly extracts and analyzes them on the orbit, and needs an inductive heating furnace to heat the lunar soil in a gradient to make volatile components escape, for analysis by a mass spectrometer.

[0004] Therefore, in order to play a heat preservation and heat insulation role when heating the sample, reduce heat conduction and heat loss, using a heat shield is an effective means to reduce heat transfer, but the traditional heat shield has the defects of fast heat transfer and easy formation of eddy current. SUMMARY

[0005] Therefore, the application aims to provide a multilayer C-shaped heat shield for an inductive heating furnace for heating volatile components of asteroid, to solve the problem of the traditional heat shield that has the defects of fast heat transfer and easy formation of eddy current.

[0006] To achieve the above-mentioned purpose, the application adopts the following technical scheme: a multilayer C-shaped heat shield for an inductive heating furnace for heating volatile components of asteroid, comprising heat shields, connecting columns and notches, the heat shields are provided in plurality, the plurality of heat shields are arranged at intervals from top to bottom, every adjacent two heat shields are connected by a group of connecting columns, each group of connecting columns comprises a plurality of connecting columns arranged at equal intervals in a circle, every adjacent two groups of connecting columns are arranged alternately, and each heat shield is provided with a notch.

[0007] Further, the notch positions on each heat shield are the same.

[0008] Further, the heat shields are provided in three and are all circular, and the three heat shields increase in circular area from top to bottom.

[0009] Further, the lower side of the lowermost heat shield is provided with a ceramic furnace cover, and the two are connected by a group of connecting columns.

[0010] Further, the connecting columns between the lowermost heat shield and the ceramic furnace cover are arranged alternately with the adjacent group of connecting columns.

[0011] Further, a plurality of heat insulation grids are arranged on the upper end surface of the uppermost heat insulation screen in a uniform manner.

[0012] Further, each heat insulation screen is a multi-layer structure.

[0013] Further, the material of the heat insulation screen is molybdenum.

[0014] Further, the multi-layer molybdenum of the heat insulation screen is welded by laser.

[0015] Further, the surface of each heat insulation screen is polished.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. The present application can reduce heat loss by arranging a plurality of heat insulation screens at intervals, and can prolong the heat transfer path while avoiding the formation of a straight heat transfer path by staggered arrangement of every adjacent two groups of connecting columns, thereby reducing heat loss.

[0018] 2. The present application can improve the safety during use by arranging a notch on each heat insulation screen to prevent eddy current generation.

[0019] 3. The present application can effectively block the downward diffusion of heat in the form of heat conduction by arranging heat insulation grids. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which form a part of the present application, are used to provide a further understanding of the present application, and the illustrative embodiments thereof, and are not intended to limit the present application. In the drawings:

[0021] Figure 1 FIG. 1 is a perspective view of a multi-layer C-shaped heat insulation screen for an inductive heating furnace for heating volatile components of asteroidal regolith according to the present application.

[0022] Figure 2 FIG. 2 is a side view of a multi-layer C-shaped heat insulation screen for an inductive heating furnace for heating volatile components of asteroidal regolith according to the present application.

[0023] Heat insulation grid 1; ceramic furnace cover 2; heat insulation screen 3; connecting column 4; notch 5. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present application. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, and the described embodiments are only a part of the embodiments of the present application, but not all the embodiments.

[0025] Referring to the accompanying drawings, a multilayer C-shaped heat shield for an inductive heating furnace for heating star ore volatile components, comprising heat shields 3, connecting columns 4 and notches 5, the heat shields 3 are provided in multiple, the multiple heat shields 3 are arranged in intervals from top to bottom, each adjacent two heat shields 3 are connected by a group of connecting columns, each group of connecting columns comprises multiple connecting columns 4 arranged in a circle, each adjacent two groups of connecting columns are staggered, and each heat shield 3 is provided with a notch 5, the notch 5 can reduce the generation of eddy current, thereby improving the safety of the heat shield.

[0026] In the embodiment, the positions of the notches 5 on each heat shield 3 are the same, which can effectively reduce the generation of eddy current and increase the safety of the heat shield in use.

[0027] In the embodiment, the heat shields 3 are provided in three and are all circular, the three heat shields 3 are arranged in a circle with the areas of the circles increasing in sequence from top to bottom, forming a heat transfer gradient.

[0028] In the embodiment, the lower side of the heat shield 3 at the lowermost end is provided with a ceramic furnace cover 2, and the two are connected by a group of connecting columns, avoiding direct contact between the heat shield 3 at the lowermost end and the ceramic furnace cover 2, and preventing the heat loss from being too fast.

[0029] In the embodiment, the connecting columns between the heat shield 3 at the lowermost end and the ceramic furnace cover 2 are staggered with the adjacent group of connecting columns, preventing the formation of a linear heat conduction form and reducing the generation of heat loss.

[0030] In the embodiment, a plurality of heat shields 1 are arranged in a circle on the upper end surface of the heat shield 3 at the uppermost end to block the downward diffusion of heat in the form of heat conduction, and the structure of the furnace cover at the mandrel is provided with a radiation screen which does not contact the magnet core mandrel, reducing the heat conduction to the internal magnet.

[0031] In the embodiment, each heat shield 3 is a multilayer structure, which can effectively reduce the generation of heat loss.

[0032] In the embodiment, the material of the heat shield 3 is molybdenum, which can effectively reduce heat radiation.

[0033] In the embodiment, the multiple layers of molybdenum of the heat shield 3 are connected by laser welding, increasing the precision and strength of the connection.

[0034] In the embodiment, the surface of each heat shield 3 is polished, and the surface roughness is better than Ra5.0, which can increase the performance of preventing heat loss.

[0035] In use, the C-shaped heat shield is installed on an induction heating furnace, the structure of the three-layer heat shield 3 can effectively prevent heat transmission from spreading to the outside, thereby effectively locking the heat. At the same time, the connecting columns between each adjacent two heat shields 3 are staggered, thereby prolonging the path of heat transmission and preventing heat from being directly transmitted out, thereby further preventing heat loss. The staggered connecting columns can avoid forming a straight heat transmission path to directly transmit heat out, thereby reducing heat loss.

[0036] The above disclosed embodiments of the present application are only used to help explain the present application. The embodiments do not describe all the details, nor limit the present application to the specific embodiments described. Many modifications and variations can be made in light of the content of the present specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application.

Claims

1. A multi-layer C-type heat shield for an inductive heating furnace for heating of volatile components of a meteorite, characterized in that: The application relates to a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and a ceramic furnace cover (2) and 2. The multi-layer C-type heat shield for an inductive heating furnace for heating volatile components of a star ore according to claim 1, characterized in that: ​ 3. The multi-layer C-shaped heat shield for the inductive heating furnace for heating volatile components of star ore according to claim 1, characterized in that: ​ 4. The multi-layer C-shaped heat shield for the inductive heating furnace for heating volatile components of the star ore according to claim 3, characterized in that: ​

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