CN216954642U - Boron hexa-oxygen preparation device - Google Patents
Boron hexa-oxygen preparation device Download PDFInfo
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- CN216954642U CN216954642U CN202220826191.7U CN202220826191U CN216954642U CN 216954642 U CN216954642 U CN 216954642U CN 202220826191 U CN202220826191 U CN 202220826191U CN 216954642 U CN216954642 U CN 216954642U
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- 238000002360 preparation method Methods 0.000 title abstract description 17
- VCCNGYOXPMFZQB-UHFFFAOYSA-N [O].[O].[O].[O].[O].[O].[B] Chemical compound [O].[O].[O].[O].[O].[O].[B] VCCNGYOXPMFZQB-UHFFFAOYSA-N 0.000 title abstract description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052796 boron Inorganic materials 0.000 claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 claims abstract description 42
- 238000005253 cladding Methods 0.000 claims abstract description 19
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000003786 synthesis reaction Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000006479 redox reaction Methods 0.000 description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 8
- 239000004327 boric acid Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 8
- 229910002804 graphite Inorganic materials 0.000 description 7
- 239000010439 graphite Substances 0.000 description 7
- 229910052582 BN Inorganic materials 0.000 description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 229910052810 boron oxide Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B35/00—Boron; Compounds thereof
- C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
- C01B35/10—Compounds containing boron and oxygen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model provides a boron hexa-oxygen preparation device, and relates to the technical field of synthesis and growth of superhard materials. The boron hexa-oxygen preparation device comprises a shell, a conductive component, a heat preservation component and a shielding component. A first accommodating cavity and a second accommodating cavity which are communicated are limited and formed in the shell, and a through hole communicated with the first accommodating cavity is formed in the shell; the conductive assembly comprises a first conductive piece, a second conductive piece and a third conductive piece, the first conductive piece sequentially penetrates through the through hole and the first accommodating cavity, and the second conductive piece is positioned between the first conductive piece and the third conductive piece; the heat preservation element penetrates through the second accommodating cavity and is externally wrapped by the third conductive piece; the shielding assembly comprises an insulating element and a cladding element, the third conducting piece is sequentially wrapped on the insulating element and the cladding element, and the cladding element is used for cladding the chemical reaction sample. The boron hexaoxide preparation device provided by the utility model can effectively provide a high-temperature and high-pressure environment, and can realize generation of millimeter-scale large-size boron hexaoxide grains.
Description
Technical Field
The utility model relates to the technical field of synthesis and growth of superhard materials, in particular to a boron hexaoxide preparation device.
Background
Boron hexaoxide is a superhard material with hardness equivalent to that of cubic boron nitride single crystal and fracture toughness comparable to that of diamond. Compared with diamond and cubic boron nitride, the boron hexaoxide has smaller density and lighter weight, and is beneficial to lightweight application of superhard materials. The boron hexaoxide can be synthesized by oxidizing elemental boron with boron oxide, zinc oxide or other oxidants, for example, under argon atmosphere, boron and boron oxide are used as raw materials, and the boron hexaoxide is synthesized within the temperature range of 1250-: 1, the crystallinity of the sample is low, the crystal grains are in nanometer level, and the crystal grains are very small. The maximum boron hexaoxide single crystal reported at present is only 140 mu m, no relevant report exists at present for the preparation of larger-size single crystals, and the loss of the large-size single crystals also causes that part of the intrinsic properties of the boron hexaoxide are not determined.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a boron hexaoxide production apparatus to overcome the defects in the prior art, so as to solve the technical problem that in the prior art, only nano-scale small-size boron hexaoxide grains can be produced, so that part of intrinsic properties of the boron hexaoxide grains are not determined.
The utility model provides the following technical scheme:
an apparatus for producing boron hexaoxide, comprising:
the shell is internally provided with a first accommodating cavity and a second accommodating cavity which are communicated, and the shell is provided with a through hole communicated with the first accommodating cavity;
the conductive assembly comprises a first conductive piece, a second conductive piece and a third conductive piece, the first conductive piece sequentially penetrates through the through hole and the first accommodating cavity, and the second conductive piece is positioned between the first conductive piece and the third conductive piece;
the heat preservation element penetrates through the second accommodating cavity and is wrapped outside the third conductive piece;
the shielding assembly comprises an insulating element and a cladding element, the third conducting piece sequentially wraps the insulating element and the cladding element, and the cladding element is used for cladding the chemical reaction sample.
In some embodiments of the present application, the heat preservation element is provided with a stepped hole, and the third conductive member is provided with a protruding portion matched with the stepped hole.
In some embodiments of the present application, the second conductive member abuts against the first conductive member and an end surface of the protrusion, respectively.
In some embodiments of the present application, the second conductive member is disposed through the second accommodating cavity and abuts against a cavity wall of the second accommodating cavity.
In some embodiments of the present application, an axis of the temperature keeping element coincides with an axis of the third conductive member.
In some embodiments of the present application, two first conductive members are disposed, and the two first conductive members are respectively located at two opposite sides of the housing.
In some embodiments of the present application, the insulating element is located between the third conductive member and the cladding element.
In some embodiments of the present application, the apparatus for preparing boron hexa-oxide further includes a top press machine and a variable frequency ac power supply, the top press machine abuts against the surface of the housing, and the variable frequency ac power supply is electrically connected to the first conductive member.
In some embodiments of the present application, the apparatus for preparing boron hexa-oxide further comprises a controller, wherein the controller is electrically connected to the top press and the variable frequency ac power supply, respectively.
In some embodiments of the present application, the boron hexaoxide production apparatus further comprises a detection assembly, the detection assembly comprises a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are respectively electrically connected with the controller.
The embodiment of the utility model has the following advantages:
the application provides a boron hexa-oxygen preparation facilities, through set up the heat preservation component between casing and third electrically conductive piece, has reduced the heat and has lost to increase heating efficiency, be favorable to providing high temperature environment fast, save the power consumption cost. Wherein, the casing is as sealed and pressure transmission medium to provide high pressure environment. The insulating element and the coating element are sequentially arranged between the third conductive piece and the chemical reaction sample, and the insulating element is used as an insulating shielding layer, so that the chemical reaction sample can be isolated from conducting electricity, the third conductive piece is stably heated, and meanwhile, the composition elements of the third conductive piece diffused due to high temperature can be isolated, and the chemical reaction sample is prevented from being polluted; the coating element is used for coating the chemical reaction sample to prevent the chemical reaction sample from reacting with the insulating element to pollute the chemical reaction sample or erode the insulating element. Through setting up insulating element and cladding component, realized the dual protection to chemical reaction sample. The chemical reaction sample is boron powder and boric acid which are uniformly mixed, and the boron hexaoxide and water are generated by oxidation-reduction reaction in a boron hexaoxide preparation device under the high-temperature and high-pressure environment. Specifically, the ratio of boron powder to boric acid is 8:1, the temperature is 2100 ℃, the pressure is 5.5GPa, millimeter-scale large-size boron hexaoxide crystal grains are generated for subsequent performance characterization of the boron hexaoxide crystal grains, and the technical problem that partial intrinsic performance of the nanometer-scale small-size boron hexaoxide crystal grains is not determined because only nanometer-scale small-size boron hexaoxide crystal grains can be prepared in the prior art is solved.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible and comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 illustrates a schematic cross-sectional view of a boron hexa-oxide production plant in some embodiments of the present application;
FIG. 2 illustrates another schematic cross-sectional view of a boron hexa-oxide production apparatus in some embodiments of the present application;
FIG. 3 illustrates a schematic view of a boron hexaoxide production apparatus in accordance with certain embodiments of the present disclosure;
FIG. 4 shows another schematic view of a boron hexaoxide production apparatus in some embodiments of the present application.
Description of the main element symbols:
a 100-boron hexa-oxygen preparation device; 10-a housing; 101-a first receiving chamber; 102-a second receiving chamber; 103-a through hole; 20-a conductive component; 201-a first electrically conductive member; 202-a second electrically conductive member; 203-a third conductive member; 2031-a boss; 30-a heat-insulating element; 301-a stepped bore; 40-a shielding assembly; 401 — an insulating element; 402-a packing element; 50-chemical reaction sample.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 4, an embodiment of the present application provides a boron hexaoxide production apparatus 100 mainly used for producing synthetic boron hexaoxide. The boron hexa-oxide production apparatus 100 includes a housing 10, a conductive member 20, a heat insulating member 30, and a shield member 40.
A first accommodating cavity 101 and a second accommodating cavity 102 which are communicated with each other are defined in the housing 10, and a through hole 103 communicated with the first accommodating cavity 101 is formed in the housing 10. The conductive assembly 20 includes a first conductive member 201, a second conductive member 202 and a third conductive member 203, the first conductive member 201 is sequentially disposed through the through hole 103 and the first accommodating cavity 101, and the second conductive member 202 is disposed between the first conductive member 201 and the third conductive member 203. The heat preservation element 30 is disposed through the second accommodating cavity 102 and externally covers the third conductive member 203. The shielding assembly 40 includes an insulating member 401 and a covering member 402, the third conductive member 203 sequentially covers the insulating member 401 and the covering member 402, and the covering member 402 is used for covering the chemical reaction sample 50.
In the boron hexaoxygen preparation apparatus 100 provided by the embodiment of the present application, a first accommodating chamber 101 and a second accommodating chamber 102 which are communicated with each other are defined in the housing 10, and the housing 10 is provided with a through hole 103 which is communicated with the first accommodating chamber 101. The first accommodating cavities 101 are two, the two first accommodating cavities 101 are located on two opposite sides of the casing 10, the second accommodating cavity 102 is located between the two first accommodating cavities 101, and the casing 10 is also provided with two through holes 103 corresponding to the two first accommodating cavities 101. The first conductive piece 201 is sequentially and fixedly arranged through the through hole 103 and the first accommodating cavity 101, and the second conductive piece 202 is positioned between the first conductive piece 201 and the third conductive piece 203, so that a conductive channel is formed by the first conductive piece 201, the second conductive piece 202 and the third conductive piece 203, and high temperature is generated through a resistance heating mode under power control, so that the third conductive piece 203 is electrified and continuously heated by the resistance of the third conductive piece 203, and a high-temperature environment is provided for the redox reaction of the chemical reaction sample 50. The heat preservation element 30 is fixedly disposed through the second accommodating cavity 102 and externally covers the third conductive member 203 to reduce heat dissipation, so that the heating efficiency of the third conductive member 203 is increased, a high-temperature environment is provided for the redox reaction of the chemical reaction sample 50, and the electricity consumption cost can be saved.
Specifically, the housing 10 serves as a sealing and pressure-transmitting medium, and can provide a high-pressure environment for the redox reaction of the chemical reaction sample 50. The third conductive member 203 sequentially covers the insulating member 401 and the covering member 402, and the covering member 402 is used for covering the chemical reaction sample 50. By sequentially arranging the insulating element 401 and the coating element 402 between the third conductive member 203 and the chemical reaction sample 50, the insulating element 401 serves as an insulating shielding layer, which can isolate the conduction of the chemical reaction sample 50, so that the third conductive member 203 can be continuously and stably heated, and can also isolate the diffused component elements of the third conductive member 203 due to high temperature, so as to avoid the pollution to the chemical reaction sample 50. The coating member 402 is used to coat the chemically reacted sample 50 to prevent the chemically reacted sample 50 from reacting with the insulating member 401 to contaminate the chemically reacted sample 50 or corrode the insulating member 401. By providing the insulating member 401 and the sheathing member 402, double protection against the chemical reaction sample 50 is achieved. The chemical reaction sample 50 is boron powder and boric acid which are uniformly mixed, and the boron powder and the boric acid are subjected to oxidation reduction reaction in the boron hexaoxide preparation device 100 under the high-temperature and high-pressure environment to generate boron hexaoxide and water, so that millimeter-magnitude large-size boron hexaoxide grains are generated for subsequent performance characterization of the boron hexaoxide grains, and the technical problem that in the prior art, only nanometer-magnitude small-size boron hexaoxide grains can be prepared, and part of intrinsic performance of the small-size boron hexaoxide grains is not determined is solved.
For example, the material of the housing 10 may be pyrophyllite to provide good sealing and pressure transmission. The second conductive member 202 may be made of molybdenum sheet to improve the conductive efficiency, and has a certain thermal insulation effect to reduce heat dissipation. The third conductive member 203 may be made of graphite, and may continuously generate heat by using the conductivity of graphite and its own resistance after being electrified, so as to provide a high temperature condition for a chemical reaction. The heat preservation element 30 can be made of zirconia to provide good heat preservation performance, reduce heat loss, improve heating efficiency, facilitate quick high-temperature environment and reduce power consumption cost. The insulating element 401 can be made of magnesium oxide, has good insulating property and heat conductivity, improves heat transfer efficiency, and isolates the conduction of the chemical reaction sample 50, so that the third conductive piece 203 made of graphite is stably heated, and simultaneously, the carbon element diffused by the third conductive piece 203 of graphite due to high temperature can be isolated, thereby avoiding pollution to the chemical reaction sample 50. The coating member 402 may be made of hexagonal boron nitride, and is used to coat the chemical reaction sample 50 in which boron powder and boric acid are uniformly mixed, so as to prevent the chemical reaction sample 50 from reacting with the insulating member 401 made of magnesium oxide, and polluting or eroding the insulating member 401 against the chemical reaction sample 50.
It should be noted that the chemical reaction sample 50 is boron powder and boric acid which are uniformly mixed according to a ratio of 8:1, and the boron hexaoxide and water are generated through an oxidation-reduction reaction in the boron hexaoxide preparation apparatus 100 under a high-temperature and high-pressure environment, and the chemical reaction equation is as follows: 16B +2H3BO3＝3B6O+3H2And O. Wherein, the temperature of the high-temperature environment can be 2100 ℃, the pressure of the high-pressure environment can be 5.5GPa, and the preparation of the large-size boron hexaoxide crystal grains with millimeter magnitude is realized.
As shown in fig. 1, in an embodiment of the present application, optionally, the heat preservation element 30 is provided with a stepped hole 301, and the third conductive member 203 is provided with a protrusion 2031 adapted to the stepped hole 301.
In this embodiment, the heat preservation element 30 is wrapped around the third conductive member 203, and a stepped hole 301 for the third conductive member 203 to pass through is formed on an end surface of the heat preservation element close to the first conductive member 201. The third conductive member 203 is provided with a protrusion 2031 adapted to the stepped hole 301, so that the third conductive member 203, the second conductive member 202 and the first conductive member 201 contact each other to form a conductive channel, thereby improving the conductive efficiency, and controlling the resistance of the third conductive member 203 to generate heat under power control to generate high temperature, thereby providing a high temperature condition for the redox reaction of the chemical reaction sample 50.
As shown in fig. 1, in the above embodiment of the present application, optionally, the second conductive member 202 is abutted against the end surfaces of the first conductive member 201 and the protrusion portion 2031, respectively.
In this embodiment, the second conductive member 202 is located between the first conductive member 201 and the protrusion 2031 of the third conductive member 203, and is abutted to the end surfaces of the first conductive member 201 and the protrusion 2031, so that the first conductive member 201, the second conductive member 202 and the third conductive member 203 are abutted to each other, thereby forming a conductive channel, improving conductivity and conductive stability, and further enabling the third conductive member 203 to be stably electrified and generate high temperature by continuous heating through its resistance.
As shown in fig. 1, in the above embodiment of the present application, optionally, the second conductive member 202 is disposed through the second accommodating cavity 102 and abuts against a cavity wall of the second accommodating cavity 102.
In this embodiment, the second conductive member 202 is disposed through the second accommodating cavity 102 and abuts against a wall of the second accommodating cavity 102. The diameter of the second conductive member 202 is equal to the diameter of the second receiving cavity 102, so that the second conductive member 202 is fixed in position, and is prevented from being misaligned during assembly to affect contact with the first conductive member 201 and the third conductive member 203, thereby affecting the conductive efficiency and heating of the third conductive member 203. By arranging the second conductive member 202 to abut against the wall of the second accommodating chamber 102, the stability of the conductive path is improved.
As shown in fig. 1, 2 and 3, in an embodiment of the present application, optionally, the axis of the temperature keeping element 30 coincides with the axis of the third conductive member 203.
In this embodiment, the axis of the thermal insulation element 30 coincides with the axis of the third conductive member 203, so that the third conductive member 203 and the thermal insulation element 30 are coaxially disposed, and the thermal insulation element 30 is uniformly wrapped on the third conductive member 203, so that the thermal insulation wall thickness of the thermal insulation element 30 is uniform and equal, thereby achieving uniform thermal insulation, enhancing the thermal insulation effect, and reducing heat loss.
As shown in fig. 1, in an embodiment of the present application, optionally, two first conductive members 201 are provided, and two first conductive members 201 are respectively located at two opposite sides of the housing 10.
In this embodiment, there are two first conductive members 201, and the two first conductive members 201 are respectively located at two opposite sides of the housing 10. Two opposite sides of the housing 10 are correspondingly provided with two through holes 103 and two first accommodating cavities 101. One first conductive member 201 sequentially penetrates through one through hole 103 and one first accommodating cavity 101, and the other first conductive member 201 sequentially penetrates through the other through hole 103 and the other first accommodating cavity 101. One first conductive member 201 is in contact with one end of one second conductive member 202 and one end of one third conductive member 203 to form a first conductive path, and the other first conductive member 201 is in contact with the other end of the other second conductive member 202 and the other end of the third conductive member 203 to form a second conductive path. By increasing the number of the first conductive members 201, the number of the conductive paths is increased, so that the conductivity is improved, the heating efficiency of the third conductive member 203 is improved, and the high-temperature environment can be rapidly provided for the redox reaction of the chemical reaction sample 50.
As shown in fig. 1, 2 and 3, in an embodiment of the present application, optionally, the insulating element 401 is located between the third conductive member 203 and the cladding element 402.
In the present embodiment, the insulating element 401 is located between the third conductive member 203 and the covering element 402. The third conductive member 203, the insulating member 401, and the cladding member 402 are made of graphite, magnesium oxide, and hexagonal boron nitride, respectively. The insulating element 401 made of magnesium oxide can be used as an insulating shielding layer to isolate the conduction of the chemical reaction sample 50, so that the third conductive member 203 made of graphite can be heated stably, and simultaneously, the carbon element diffused by the third conductive member 203 made of graphite due to high temperature can be isolated, so that the chemical reaction sample 50 is prevented from being polluted. The hexagonal boron nitride cladding member 402 is used to clad the chemically reactive sample 50 to prevent the chemically reactive sample 50 from reacting with the magnesium oxide insulating member 401 to contaminate the chemically reactive sample 50 or corrode the insulating member 401. By providing insulating element 401 between third conductive member 203 and cladding element 402, a double protection of chemically reacted sample 50 is achieved.
In an embodiment of the present application, optionally, the apparatus 100 further includes a pressing machine abutting against the surface of the housing 10, and a variable frequency ac power supply electrically connected to the first conductive member 201.
In this embodiment, the top press is abutted against the surface of the casing 10 to generate a high voltage environment inside the casing 10, and the variable frequency ac power supply is electrically connected to the first conductive member 201 to supply power to the conductive assembly 20 composed of the first conductive member 201, the second conductive member 202 and the third conductive member 203, and can adjust the power through variable frequency to control the heating of the third conductive member 203, thereby realizing the temperature regulation. The top press can be a four-side press or a six-side press.
In the above embodiment of the present application, optionally, the apparatus 100 for preparing boron hexa-oxide further includes a controller, and the controller is electrically connected to the top press and the variable frequency ac power supply, respectively.
In this embodiment, the controller is electrically connected to the top press and the variable frequency ac power supply, respectively. The controller is electrically connected with the top press to control the pressure generated by the top press, so that the pressure can be regulated and controlled. The controller is electrically connected with the variable frequency alternating current power supply to realize the control of the power of the variable frequency alternating current power supply, so that the heating power of the third conductive member 203 is controlled, and the regulation and control of the temperature are realized.
In the above embodiment of the present application, optionally, the boron hexaoxide preparation apparatus 100 further comprises a detection assembly, the detection assembly comprises a pressure sensor and a temperature sensor, and the pressure sensor and the temperature sensor are respectively electrically connected to the controller.
In the present embodiment, a pressure sensor and a temperature sensor electrically connected to the controller are also provided in the boron hexa-oxide production apparatus 100. The controller can respectively control the working states of the top press and the variable-frequency alternating-current power supply according to numerical values fed back by the pressure sensor and the temperature sensor, so that the controllability of pressure and temperature is realized.
As shown in fig. 2, 3 and 4, in an embodiment of the present application, the conductive assembly 20, the insulating element 30 and the shielding assembly 40 may have a cylindrical shape.
In this embodiment, the conductive member 20, the insulating member 30, and the shielding member 40 are all cylindrical in shape. The housing 10 has a square outer shape.
To sum up, the boron hexaoxygen preparation facilities that this application provided has reduced the heat and has lost through set up the heat preservation component between casing and third electrically conductive piece to increase heating efficiency, be favorable to providing high temperature environment fast, save the power consumption cost. Wherein, the casing is as sealed and pressure transmission medium to provide high pressure environment. The insulating element and the coating element are sequentially arranged between the third conductive piece and the chemical reaction sample, and the insulating element is used as an insulating shielding layer, so that the chemical reaction sample can be isolated from conducting electricity, the third conductive piece is stably heated, and meanwhile, the composition elements of the third conductive piece diffused due to high temperature can be isolated, and the chemical reaction sample is prevented from being polluted; the coating element is used for coating the chemical reaction sample to prevent the chemical reaction sample from reacting with the insulating element to pollute the chemical reaction sample or erode the insulating element. Through setting up insulating element and cladding component, realized the dual protection to chemical reaction sample. The chemical reaction sample is boron powder and boric acid which are uniformly mixed, and the boron hexaoxide and water are generated by oxidation-reduction reaction in a boron hexaoxide preparation device under the high-temperature and high-pressure environment. Specifically, the ratio of boron powder to boric acid is 8:1, the temperature is 2100 ℃, the pressure is 5.5GPa, millimeter-scale large-size boron hexaoxide crystal grains are generated for subsequent performance characterization of the boron hexaoxide crystal grains, and the technical problem that partial intrinsic performance of the nanometer-scale small-size boron hexaoxide crystal grains is not determined because only nanometer-scale small-size boron hexaoxide crystal grains can be prepared in the prior art is solved.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A boron hexa-oxide production apparatus, characterized by comprising:
the shell is internally provided with a first accommodating cavity and a second accommodating cavity which are communicated, and the shell is provided with a through hole communicated with the first accommodating cavity;
the conductive assembly comprises a first conductive piece, a second conductive piece and a third conductive piece, the first conductive piece sequentially penetrates through the through hole and the first accommodating cavity, and the second conductive piece is positioned between the first conductive piece and the third conductive piece;
the heat preservation element penetrates through the second accommodating cavity and is wrapped outside the third conductive piece;
the shielding assembly comprises an insulating element and a cladding element, the third conducting piece sequentially wraps the insulating element and the cladding element, and the cladding element is used for cladding the chemical reaction sample.
2. The apparatus according to claim 1, wherein the heat retaining member is provided with a stepped hole, and the third conductive member is provided with a protrusion fitting the stepped hole.
3. The apparatus according to claim 2, wherein the second conductive member abuts against the first conductive member and the end surface of the protruding portion, respectively.
4. The apparatus according to claim 3, wherein the second conductive member is disposed in the second accommodating chamber and abuts against a wall of the second accommodating chamber.
5. The apparatus according to claim 1, wherein the axis of the temperature keeping member coincides with the axis of the third conductive member.
6. The apparatus as claimed in claim 1, wherein there are two first conductive members, and two first conductive members are respectively located at two opposite sides of the housing.
7. The apparatus according to claim 1, wherein the insulating member is located between the third conductive member and the covering member.
8. The apparatus of claim 1, further comprising a top press and a variable frequency ac power supply, wherein the top press is in contact with the surface of the housing, and the variable frequency ac power supply is electrically connected to the first conductive member.
9. The apparatus according to claim 8, further comprising a controller electrically connected to the top press and the variable frequency ac power supply, respectively.
10. The apparatus according to claim 9, further comprising a detection assembly including a pressure sensor and a temperature sensor, the pressure sensor and the temperature sensor being electrically connected to the controller, respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220826191.7U CN216954642U (en) | 2022-04-07 | 2022-04-07 | Boron hexa-oxygen preparation device |
| PCT/CN2022/106548 WO2023193363A1 (en) | 2022-04-07 | 2022-07-19 | Boron suboxide preparation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220826191.7U CN216954642U (en) | 2022-04-07 | 2022-04-07 | Boron hexa-oxygen preparation device |
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| CN216954642U true CN216954642U (en) | 2022-07-12 |
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| CN202220826191.7U Active CN216954642U (en) | 2022-04-07 | 2022-04-07 | Boron hexa-oxygen preparation device |
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| WO (1) | WO2023193363A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023193363A1 (en) * | 2022-04-07 | 2023-10-12 | 南方科技大学 | Boron suboxide preparation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2499967A1 (en) * | 1981-02-16 | 1982-08-20 | Armines | METHOD AND DEVICE FOR MANUFACTURING BY SINKING UNDER LOAD OF RICH ROOM PARTS AND BORE-RICH PIECES |
| JPS6021812A (en) * | 1983-07-18 | 1985-02-04 | Natl Inst For Res In Inorg Mater | Boron oxide having crystal structure similar to diamond and its preparation |
| CN202666794U (en) * | 2012-07-19 | 2013-01-16 | 郑州中南杰特超硬材料有限公司 | Novel assembling structure of superhard material synthesis chamber |
| CN109079145B (en) * | 2018-08-30 | 2021-01-29 | 中南钻石有限公司 | Polycrystalline diamond compact synthesis block and method for synthesizing polycrystalline diamond compact by using same |
| CN111025055B (en) * | 2019-12-04 | 2021-09-21 | 四川大学 | Assembly part for high-stress and large-deformation environment and application thereof |
| CN111943211B (en) * | 2020-08-21 | 2022-02-22 | 南方科技大学 | Metal silicide preparation method and preparation auxiliary device |
| CN112403395A (en) * | 2020-11-27 | 2021-02-26 | 南方科技大学 | Preparation method of metal phosphide |
| CN216954642U (en) * | 2022-04-07 | 2022-07-12 | 南方科技大学 | Boron hexa-oxygen preparation device |
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| WO2023193363A1 (en) * | 2022-04-07 | 2023-10-12 | 南方科技大学 | Boron suboxide preparation device |
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