CN218065950U - Diamond vacuum purification furnace - Google Patents
Diamond vacuum purification furnace Download PDFInfo
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- CN218065950U CN218065950U CN202222113420.3U CN202222113420U CN218065950U CN 218065950 U CN218065950 U CN 218065950U CN 202222113420 U CN202222113420 U CN 202222113420U CN 218065950 U CN218065950 U CN 218065950U
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Abstract
The utility model discloses a diamond vacuum purification stove, include furnace frame, furnace body, boiler tube, can dismantle furnace gate, vacuum pipe, slide valve, molecular pump, vacuum gauge, touch-sensitive screen, molecular pump power and vacuum instrument, the higher authority of furnace frame sets up the furnace body, the furnace body level sets up, the boiler tube passes in the furnace body, the furnace gate can be dismantled in the left end setting of boiler tube, and the right-hand member passes through the flange and is connected with vacuum pipe, vacuum pipe connects the slide valve, connect the molecular pump below the slide valve, the molecular pump sets up inside the furnace frame, be provided with the vacuum gauge on the vacuum pipe, set up electrically controlled device's touch-sensitive screen on the preceding furnace frame of slide, set up molecular pump power and vacuum instrument on the furnace frame below the furnace body, the molecular pump power is connected with the molecular pump, the vacuum gauge is connected to the vacuum instrument, molecular pump power and vacuum instrument are connected to the touch-sensitive screen. The utility model discloses utilize the volatile principle of material under the vacuum high temperature, carry out surface purification to the diamond.
Description
Technical Field
The utility model belongs to the technical field of the vacuum furnace technique and specifically relates to a diamond vacuum purification stove is related to.
Background
Diamond is the hardest substance in the world. In the 50 s of the 20 th century, artificial diamonds were successfully produced by high temperature and high pressure technology, and the production of artificial diamonds at high temperature and high pressure has rapidly been developed. At present, china has become a large country for producing artificial diamonds, and the yield accounts for more than 90 percent of the whole world.
The current application field of the artificial diamond is very wide, the most main field is the grinding tool, and in the production process of the artificial diamond grinding tool, the produced grinding tool has the advantages of high diamond bonding strength, difficult falling, high wear resistance and long service life, and the diamond stored for a period of time is low in diamond bonding strength, easy to fall, low in wear resistance, short in service life and unstable in quality of the grinding tool produced in batches.
The main reason for this is that the diamond after being stored for a period of time has impurities and gas adsorbed on the surface, so that the surface of the diamond has no activity, the bonding force with other materials is low in the production of the grinding tool, the bonding strength is low, the diamond is easy to fall off, the impurities on the surface play a role in accelerating the abrasion of the diamond in the grinding process, and the service life of the grinding tool is short.
In order to improve the quality of a grinding tool, the surface of the diamond needs to be purified, currently, most of the artificial diamond surface purification methods adopt an acid treatment method, namely, the diamond is mixed with hydrochloric acid, nitric acid, sulfuric acid and the like, heated and boiled for a period of time, then cleaned by distilled water or purified water, and then dried.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at prior art not enough, provide a diamond vacuum purification stove, utilize the volatile principle of material under the vacuum high temperature, carry out surface purification to the diamond, purification process is pollution-free, and purification process is single, and the purification back diamond can directly use, does not have secondary pollution to lead to purifying effect not good, and purification efficiency is high, and is with low costs, and equipment easy to use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a diamond vacuum purification stove, includes furnace frame, furnace body, boiler tube, can dismantle furnace gate, vacuum pipe, slide valve, molecular pump, vacuum gauge, touch-sensitive screen, molecular pump power and vacuum appearance, the higher authority of furnace frame sets up the furnace body, the furnace body level sets up, the boiler tube passes in the furnace body, the left end setting of boiler tube can be dismantled the furnace gate, and the right-hand member passes through the flange and is connected with vacuum pipe, the slide valve is connected to vacuum pipe, connect the molecular pump below the slide valve, the molecular pump sets up inside the furnace frame, be provided with the vacuum gauge on the vacuum pipe, set up electrically controlled device's touch-sensitive screen on the preceding furnace frame of flashboard, set up molecular pump power and vacuum appearance on the furnace frame below the furnace body, the molecular pump power is connected with the molecular pump, the vacuum gauge is connected to the vacuum appearance, molecular pump power and vacuum appearance are connected to the touch-sensitive screen.
Furthermore, the furnace body is arranged in a split manner from top to bottom and can be lifted.
Furthermore, a heat-preservation furnace lining is arranged in the furnace body, and an electric heating body is arranged on the inner surface of the furnace lining.
Further, the electric heating body is a heating wire.
Furthermore, can dismantle the furnace gate, including left flange and furnace door board, left side flange sets up on the boiler tube, is connected with the furnace door board through bolt detachable, furnace door board central point puts and is provided with the breather pipe, connect the valve on the breather pipe for the later stage lets in the air to the boiler tube in, the balanced internal and external pressure, the furnace gate of being convenient for is dismantled.
Further, the furnace tube is made of glass or stainless steel.
Furthermore, a mechanical pump is connected to the vacuum pipeline and serves as a front vacuum pump of the molecular pump.
Furthermore, baffles are arranged around the furnace frame.
Furthermore, the bottom of the furnace frame is provided with a plurality of furs Ma Lun for facilitating the movement of the furnace.
The utility model discloses a diamond vacuum purification stove, when using, pull down the left furnace gate of dismantling, the year thing board that will hold the diamond or carry the thing box propelling movement and place the boiler tube in, and be located the zone of heating in the boiler body, the diamond is at year thing board or carry the thing box and put flat, thickness is usually not more than 1cm, then load and dismantle the furnace gate, start the vacuum pump, and begin to heat, treat to rise to the uniform temperature, for example 800 ℃, and last after a certain period, for example keep warm for 1 hour, then cool down, until the temperature reduces below 60 ℃ in the boiler tube, open the valve that can dismantle on the furnace gate, let in the air for the boiler tube, know inside and outside atmospheric pressure balance, pull down and to dismantle the furnace gate, take out and hold the thing board or carry the thing box of diamond, accomplish the high temperature purification of diamond. The purified diamond can be directly mixed for production, but cannot be stored for a long time again, so that the surface of the diamond is prevented from adsorbing impurities and gas again and losing activity.
The beneficial effects of the utility model are that:
1. the utility model relates to a diamond vacuum purification furnace, the temperature is high, and the highest temperature can reach 1200 ℃, and the vacuum is high, and the highest vacuum can reach 5 x 10 -4 Pa, impurities and gas adsorbed on the surface of the diamond can be effectively removed, and the purification effect is good.
2. The utility model relates to a diamond vacuum purification stove, whole purification process does not have other raw and other materials to intervene, therefore pollution-free, environmental protection is effectual.
3. The utility model relates to a diamond vacuum purification stove, whole purification process is single, and is high-efficient, and the diamond is lossless, and is with low costs.
4. The utility model relates to a diamond vacuum purification stove, degree of automation is high, easy to use.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. a furnace frame; 2. a furnace body; 3. a furnace tube; 4. the oven door can be disassembled; 5. a vacuum line; 6. a gate valve; 7. a molecular pump; 8. a touch screen; 9. a molecular pump power supply; 10. a vacuum gauge; 11. fu Ma Lun.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be mechanically or electrically connected, directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
As shown in figure 1 and figure 2, a diamond vacuum purification stove, include furnace frame 1, furnace body 2, boiler tube 3, can dismantle furnace gate 4, vacuum pipeline 5, slide valve 6, molecular pump 7, vacuum gauge, touch-sensitive screen 8, molecular pump power 9 and vacuum instrument 10, set up furnace body 2 on the furnace frame 1, 2 level settings of furnace body, boiler tube 3 passes in furnace body 2, boiler tube 3 becomes with the stainless steel, furnace gate 4 can be dismantled in the left end setting of boiler tube 3, can dismantle furnace gate 4, including left flange and furnace door board, all become with the stainless steel, the left end at boiler tube 3 is connected to the easy welding mode of left side flange, is connected with the furnace door board through bolt detachable, furnace door board central point puts and is provided with the breather pipe, and the diameter of inside through-hole is 4mm, connect the valve on the valve, the valve is the needle valve, and the barrier nature is high, is difficult for revealing under the high vacuum degree in the later stage to the boiler tube 3, balance the furnace gate pressure, the furnace gate dismantlement is convenient for right-hand end flange, the flange passes through bolt and vacuum pipeline 5 connects vacuum pipeline 5, vacuum pipeline 5 connects vacuum pump power supply pipeline 5 with the vacuum pump power supply 5, and vacuum pump power supply pipe 10 the vacuum pump connection pipe 10, vacuum pump connection valve is set up and vacuum pipeline 10 the vacuum pump connection 5 the vacuum pump 10 the vacuum pipeline 10 is connected the vacuum pump connection valve 10, vacuum pump connection valve is set up the vacuum pump 5 the vacuum pump connection vacuum pipeline 10 the vacuum pump connection vacuum pump 5 the vacuum pump 10 the vacuum pipeline 10 is set up the vacuum pipeline 10 the vacuum pump connection device 10, the vacuum pump connection valve 10, the vacuum pump connection is set up the vacuum pump 5, the vacuum pump connection door 10.
The furnace body 2 is arranged in a split manner from top to bottom and can be lifted, the furnace tube 3 is convenient to replace, meanwhile, in the later-stage cooling process of the vacuum purification diamond, the furnace body is lifted to accelerate cooling and shorten cooling time, a heat preservation furnace lining is arranged in the furnace body 2, an electric heating body is arranged on the inner surface of the furnace lining, the electric heating body is a heating wire, a thermocouple is further arranged on the inner surface of the furnace lining and used for temperature measurement, the thermocouple is a K-type thermocouple, and the electric heating body and the thermocouple are electrically connected with the touch screen 8.
The vacuum pipeline 5 is connected with a mechanical pump as a front vacuum pump of the molecular pump 7, when the mechanical pump firstly pumps the gas in the furnace tube 3 to 50Pa-5Pa, the molecular pump 7 is started, and the molecular pump 7 is prevented from being damaged.
The periphery of the furnace frame 1 is provided with the baffle plates, and the bottom of the furnace frame 1 is provided with a plurality of Fuma wheels 11, so that the furnace can be moved conveniently. The utility model discloses a diamond vacuum purification stove, which uses a molecular pump to vacuumize, and the maximum vacuum degree can reach 5 multiplied by 10 -4 Pa, and can last for a long time at 2X 10 -3 Pa or less, and a high degree of vacuum. Meanwhile, the electric heating wire, such as a nickel-chromium electric heating wire or an iron-chromium-aluminum electric heating wire, can be used below 1200 ℃ for a long time, the temperature for producing the diamond grinding tool is basically below 900 ℃, and the carbonization temperature of the diamond under vacuum is 1100 ℃, so that the diamond grinding tool cannot be influenced at the heating temperature lower than 1100 ℃, and impurities and gas adsorbed on the surface of the diamond can be effectively gasified, so that the surface of the diamond is purified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a diamond vacuum purification stove which characterized in that: including furnace frame (1), furnace body (2), boiler tube (3), can dismantle furnace gate (4), vacuum pipe (5), slide valve (6), molecular pump (7), vacuum gauge, touch-sensitive screen (8), molecular pump power (9) and vacuum apparatus (10), the higher authority of furnace frame (1) sets up furnace body (2), furnace body (2) level sets up, boiler tube (3) pass in furnace body (2), furnace gate (4) can be dismantled in the left end setting of boiler tube (3), and the right-hand member passes through the flange and is connected with vacuum pipe (5), slide valve (6) is connected in vacuum pipe (5), connect molecular pump (7) below slide valve (6), molecular pump (7) set up inside furnace frame (1), be provided with the vacuum gauge on vacuum pipe (5), set up touch-sensitive screen (8) of electrically controlled device on preceding furnace frame (1) of furnace frame (2), set up molecular pump power (9) and vacuum apparatus (10) on furnace frame (1) below furnace body (2), vacuum pump power (9) and vacuum pump power (10) are connected with molecular pump slide valve (10), vacuum gauge (10) are connected.
2. A diamond vacuum cleaning furnace as defined in claim 1, wherein: the furnace body (2) is arranged in a vertically split manner.
3. A diamond vacuum cleaning furnace as defined in claim 2, wherein: a heat-insulating furnace lining is arranged in the furnace body (2), and an electric heating body is arranged on the inner surface of the furnace lining.
4. A diamond vacuum cleaning furnace as defined in claim 3, wherein: the electric heating body is a heating wire.
5. A diamond vacuum cleaning furnace as defined in claim 1, wherein: the detachable furnace door (4) comprises a left flange and a furnace door plate, the left flange is arranged on the furnace tube (3) and is detachably connected with the furnace door plate through bolts, a vent pipe is arranged at the center of the furnace door plate, and a valve is connected to the vent pipe.
6. A diamond vacuum cleaning furnace as defined in claim 1, wherein: the furnace tube (3) is made of glass or stainless steel.
7. A diamond vacuum cleaning furnace as defined in claim 1, wherein: the vacuum pipeline (5) is connected with a mechanical pump.
8. A diamond vacuum cleaning furnace as defined in claim 1, wherein: baffles are arranged around the furnace frame (1).
9. A diamond vacuum cleaning furnace as defined in claim 1, wherein: the bottom of the furnace frame (1) is provided with a plurality of fortune horse wheels (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222113420.3U CN218065950U (en) | 2022-08-11 | 2022-08-11 | Diamond vacuum purification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222113420.3U CN218065950U (en) | 2022-08-11 | 2022-08-11 | Diamond vacuum purification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218065950U true CN218065950U (en) | 2022-12-16 |
Family
ID=84404738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222113420.3U Active CN218065950U (en) | 2022-08-11 | 2022-08-11 | Diamond vacuum purification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218065950U (en) |
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2022
- 2022-08-11 CN CN202222113420.3U patent/CN218065950U/en active Active
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