CN216630848U - Little powder processing raw materials of boron carbide mixes machine - Google Patents
Little powder processing raw materials of boron carbide mixes machine Download PDFInfo
- Publication number
- CN216630848U CN216630848U CN202220032710.2U CN202220032710U CN216630848U CN 216630848 U CN216630848 U CN 216630848U CN 202220032710 U CN202220032710 U CN 202220032710U CN 216630848 U CN216630848 U CN 216630848U
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- China
- Prior art keywords
- box
- preheating
- boron carbide
- processing raw
- stirring
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- 239000002994 raw material Substances 0.000 title claims abstract description 37
- 229910052580 B4C Inorganic materials 0.000 title claims abstract description 25
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000009700 powder processing Methods 0.000 title description 13
- 239000000463 material Substances 0.000 claims abstract description 69
- 238000003756 stirring Methods 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000010891 electric arc Methods 0.000 claims description 16
- 239000000843 powder Substances 0.000 abstract description 7
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 8
- 230000005484 gravity Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model belongs to the technical field of boron carbide processing equipment, and particularly relates to a boron carbide micropowder processing raw material mixing machine which comprises a reaction box, wherein a stirring motor is arranged below the reaction box, the top end of a rotor of the stirring motor is connected with a stirring rod, the outer side of the stirring rod is provided with a stirring blade, an arc light discharge device is arranged on the upper side of an inner cavity of the reaction box, the stirring blade is positioned on the lower side of the arc light discharge device, the upper side of the reaction box is provided with a preheating box, the bottom of the inner cavity of the preheating box is provided with a material distribution hole communicated with the reaction box, the top of the preheating box is provided with a sealing cover, the bottom of the inner cavity of the preheating box is provided with a material distribution hole, the micropowder entering the preheating box is prevented from being excessively concentrated, the micropowder is convenient to fully contact with high-temperature arc light, and the high-temperature arc light is convenient to rapidly and uniformly heat the micropowder, thereby avoiding the micro powder from being heated to an excessively high temperature.
Description
Technical Field
The utility model relates to the technical field of boron carbide processing equipment, in particular to a boron carbide micro powder processing raw material mixer.
Background
The boron carbide is a powdered superhard material prepared by taking boric acid as a main raw material, adding a carbonaceous material, and performing high-temperature solid smelting and crushing processing. In the process of processing the boron carbide, the mixture of the boric anhydride and the carbon needs to be stirred, and then the high-temperature arc light generated in the furnace by the three-phase alternating current is utilized to catalyze the boric anhydride and the carbon to carry out chemical combination reaction, thereby manufacturing the boron carbide.
Boron carbide need use the mixer to stir miropowder processing raw materials during manufacturing, current mixer is at the stirring in-process, miropowder processing raw materials can pile up in the bottom of mixer, and the stirring leaf need be avoided to high temperature arc light, because the position that high temperature arc light is located lacks the stirring leaf, this leads to the miropowder processing raw materials that high temperature arc light is located can be by high temperature arc light sustained heating, and then can lead to the temperature of miropowder processing raw materials to be too high easily, and the miropowder processing raw materials of all the other positions are difficult to by the required temperature again, raw materials in the mixer are difficult to by even heating promptly, and the utilization ratio of miropowder processing raw materials can be reduced to the high temperature, the miropowder processing raw materials can't take place the reaction again to the low temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mixer for a boron carbide micropowder processing raw material, which solves the problem that the micropowder processing raw material is difficult to be uniformly heated in the existing mixer proposed in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a boron carbide miropowder processing raw materials mixes machine, includes the reaction box, agitator motor is installed to the below of reaction box, agitator motor's rotor top is connected with the stirring rod, the outside of stirring rod is provided with the stirring leaf, the inner chamber upside of reaction box is provided with arc discharge equipment, the stirring leaf is located arc discharge equipment's downside, the preheating cabinet is installed to the upside of reaction box, the branch material hole with the reaction box intercommunication is seted up to the inner chamber bottom of preheating cabinet, the top of preheating cabinet is provided with sealed lid, the outside lower extreme of reaction box is connected with the passage, the other end of passage is connected with the negative pressure feeder, the other end of negative pressure feeder is connected with the circulating pipe, the other end of circulating pipe runs through sealed lid and communicates with the preheating cabinet.
Preferably, a heater is arranged in an inner cavity of the preheating box, the bottom of the inner cavity of the preheating box is wavy, and the material distributing holes are formed below the wave troughs.
Preferably, the upper end of the preheating box is provided with a material distributing motor, the lower end of a rotor of the material distributing motor is connected with a material distributing rotating shaft, the outer side of the material distributing rotating shaft is provided with a blanking rod, and the blanking rod is located in the inner cavity of the preheating box.
Preferably, the lower end of the material distributing rotating shaft penetrates through the preheating box, the outer side of the material distributing rotating shaft is connected with a material distributing rod, and the material distributing rod is located on the upper side of the arc discharge equipment.
Preferably, the body of passage is connected with the filling tube, the other end of filling tube is connected with feed hopper, be connected with row material pipe on the body of circulating pipe, all be provided with the valve on the body of passage, row material pipe, circulating pipe and filling tube.
Compared with the prior art, the utility model has the beneficial effects that:
1) according to the device, the stirring blades are arranged below the arc discharge equipment, the micropowder is extracted from the lower part of the reaction box by using the negative pressure feeder and is added from the upper part of the preheating box, then the micropowder enters from the upper part of the reaction box under the action of gravity, and then the falling micropowder passes through the area where the arc discharge equipment is located and is heated by high-temperature arc light emitted by the arc discharge equipment, so that boron carbide is generated through reaction;
2) the inner chamber bottom of preheating cabinet is provided with the branch material hole, disperses the miropowder through dividing the material hole, and the miropowder of avoiding getting into the preheating cabinet is too concentrated, and then makes things convenient for miropowder and high temperature arc light fully to contact, and the high temperature arc light of still being convenient for simultaneously carries out quick even heating to the miropowder, and then avoids the miropowder to be heated to too high temperature.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic sectional view of the preheating chamber according to the present invention;
FIG. 3 is a schematic sectional view of the preheating chamber and the reaction chamber of the present invention.
In the figure: 1 preheating box, 2 reaction box, 3 sealing cover, 4 material dividing motor, 5 stirring motor, 6 negative pressure feeder, 7 feeding funnel, 8 material guiding pipe, 9 material discharging pipe, 10 circulating pipe, 11 feeding pipe, 12 material dividing rotating shaft, 13 blanking rod, 14 material dividing rod, 15 arc discharge equipment, 16 stirring rod, 17 stirring blade and 18 heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-3, the present invention provides a technical solution: a mixer for boron carbide micropowder processing raw material comprises a reaction box 2, a preheating box 1 is installed at the upper side of the reaction box 2, the preheating box 1 is used for preliminarily preheating the micropowder processing raw material, thereby being convenient for the micropowder processing raw material to be rapidly heated to the required temperature by high-temperature arc light emitted by arc discharge equipment 15 at the upper side of the inner cavity of the reaction box 2, and further carrying out chemical combination reaction to generate boron carbide, a sealing cover 3 is arranged at the top of the preheating box 1, the sealing cover 3 is used for sealing, thereby reducing heat loss, and avoiding powder dust from being raised out, the lower end of the outer side of the reaction box 2 is connected with a material guide pipe 8, the other end of the material guide pipe 8 is connected with a negative pressure feeder 6, the other end of the negative pressure feeder 6 is connected with a circulating pipe 10, the other end of the circulating pipe 10 penetrates through the sealing cover 3 and is communicated with the preheating box 1, the micropowder in the box 2 is extracted through the negative pressure feeder 6, and added to the preheating tank 1;
the branch material hole that communicates with reaction box 2 is seted up to the inner chamber bottom of preheating cabinet 1, miropowder in preheating cabinet 1 can flow into preheating cabinet 1 under the action of gravity, divide the material hole to make things convenient for the miropowder dispersion whereabouts, and then the miropowder of avoiding the whereabouts is too concentrated, when the miropowder passes through arc discharge equipment 15 equipment, the processing raw materials in the miropowder can be heated by the high temperature arc light that arc discharge equipment 15 emitted, carry out chemical combination reaction and generate boron carbide, agitator motor 5 is installed to the below of reaction box 2, agitator motor 5's rotor top is connected with stirring rod 16, the outside of stirring rod 16 is provided with stirring vane 17, after the miropowder processing raw materials of boron carbide entered into reaction box 2, carry out the even stirring by stirring vane 17 in its inner chamber bottom.
The annular groove is formed in the wall of the inner cavity of the preheating box 1, the heater 18 is installed in the annular groove, the bottom of the inner cavity of the preheating box 1 is wavy, the micro powder can enter wavy troughs under the action of gravity, the distributing holes are formed below the troughs, and the micro powder can be prevented from entering the distributing holes.
The surface area in branch material hole is less, when the miropowder in the preheating cabinet 1 is more, the unable phenomenon that flows of miropowder can appear, install branch material motor 4 in the upper end of preheating cabinet 1, the rotor lower extreme of dividing material motor 4 is connected with branch material pivot 12, the outside of dividing material pivot 12 is provided with blanking stick 13, blanking stick 13 is located the inner chamber of preheating cabinet 1, it is rotatory to utilize branch material motor 4 to drive branch material pivot 12, it is rotatory that branch material pivot 12 drives blanking stick 13, can drive the miropowder through rotatory blanking stick 13 and flow, and then make things convenient for the miropowder whereabouts to get into reaction box 2.
The lower extreme of branch material pivot 12 runs through preheating cabinet 1, and the outside of branch material pivot 12 is connected with branch material stick 14, and branch material stick 14 is located the upside of arc discharge equipment 15, can drive branch material stick 14 through dividing material pivot 12 and rotate, and branch material stick 14 can break up the miropowder of whereabouts, and then the miropowder of being convenient for whereabouts fully contacts with high temperature arc light.
Be connected with filling tube 11 on the body of passage 8, the other end of filling tube 11 is connected with feed hopper 7, and feed hopper 7 is used for reinforced, is connected with on the body of circulating pipe 10 and arranges material pipe 9, arranges the boron carbide miropowder that material pipe 9 is arranged in discharge reaction box 2, all is provided with the valve on the body of passage 8, row's material pipe 9, circulating pipe 10 and filling tube 11.
The working principle is as follows: during operation, firstly, valves on a feeding pipe 11 and a circulating pipe 10 are opened, valves on a material guide pipe 8 and a material discharge pipe 9 are closed, then a negative pressure feeding machine 6 is started, feeding is carried out in a feeding hopper 7, under the action of negative pressure generated by the negative pressure feeding machine 6, the micro powder processing raw material is fed into a preheating box 1 through the feeding hopper 7, the material guide pipe 8 and the circulating pipe 10, meanwhile, a stirring motor 5 and a material distribution motor 4 are started, the micro powder processing raw material in the preheating box 1 enters a reaction box 2 under the action of gravity, at the moment, the stirring motor 5 drives a stirring rod 16 to rotate, the stirring rod 16 drives stirring blades 17 to rotate, and the stirring blades 17 stir the micro powder processing raw material through rotation;
after the stirring of the micro powder processing raw material is finished, the stirring motor 5 is firstly closed, then valves on the feeding pipe 11 and the discharging pipe 9 are closed, valves on the material guide pipe 8 and the circulating pipe 10 are opened, the power supply of the heater 18 is simultaneously switched on, at the moment, under the action of negative pressure, the micro powder processing raw material in the reaction box 2 is added into the preheating box 1 through the material guide pipe 8 and the circulating pipe 10, the heater 18 preheats the micro powder processing raw material, at the moment, when the micro powder processing raw material in the preheating box 1 falls, the arc discharge equipment 15 starts to emit high-temperature arc light to heat the micro powder processing raw material, then the heated micro powder processing raw material is subjected to chemical combination reaction at high temperature to produce boron carbide, and the micro powder in the area where the arc discharge equipment 15 is located falls under the action of gravity along with part of the unreacted micro powder processing raw material, and enters the material guide pipe 8 again, repeating the steps;
after all the raw materials for processing the micro powder are reacted, the valves on the feeding pipe 11 and the circulating pipe 10 are opened, the valves on the material guiding pipe 8 and the material discharging pipe 9 are opened, and the boron carbide micro powder is discharged through the material guiding pipe 8, the circulating pipe 10 and the material discharging pipe 9 under the action of negative pressure.
While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a boron carbide micropowder processing raw materials mixes machine, includes reaction box (2), its characterized in that: the stirring device is characterized in that a stirring motor (5) is installed below the reaction box (2), the top end of a rotor of the stirring motor (5) is connected with a stirring rod (16), the outer side of the stirring rod (16) is provided with a stirring blade (17), the upper side of an inner cavity of the reaction box (2) is provided with an arc discharge device (15), the stirring blade (17) is positioned at the lower side of the arc discharge device (15), the upper side of the reaction box (2) is provided with a preheating box (1), the bottom of the inner cavity of the preheating box (1) is provided with a material distributing hole communicated with the reaction box (2), the top of the preheating box (1) is provided with a sealing cover (3), the lower end of the outer side of the reaction box (2) is connected with a material guide pipe (8), the other end of the material guide pipe (8) is connected with a negative pressure feeding machine (6), the other end of the negative pressure feeding machine (6) is connected with a circulating pipe (10), the other end of the circulating pipe (10) penetrates through the sealing cover (3) and is communicated with the preheating tank (1).
2. The boron carbide micropowder processing raw material mixer of claim 1, characterized in that: the preheating device is characterized in that a heater (18) is arranged in an inner cavity of the preheating box (1), the bottom of the inner cavity of the preheating box (1) is wavy, and the material distributing holes are formed below wave troughs.
3. The boron carbide micropowder processing raw material mixer of claim 1, characterized in that: the preheating device is characterized in that a material distributing motor (4) is installed at the upper end of the preheating box (1), the lower end of a rotor of the material distributing motor (4) is connected with a material distributing rotating shaft (12), a blanking rod (13) is arranged on the outer side of the material distributing rotating shaft (12), and the blanking rod (13) is located in the inner cavity of the preheating box (1).
4. The boron carbide micropowder processing raw material mixer of claim 3, characterized in that: the lower end of the material distributing rotating shaft (12) penetrates through the preheating box (1), the outer side of the material distributing rotating shaft (12) is connected with a material distributing rod (14), and the material distributing rod (14) is located on the upper side of the arc discharge equipment (15).
5. The boron carbide micropowder processing raw material mixer of claim 1, characterized in that: be connected with filling tube (11) on the body of passage (8), the other end of filling tube (11) is connected with feed hopper (7), be connected with on the body of circulating pipe (10) and arrange material pipe (9), all be provided with the valve on the body of passage (8), row material pipe (9), circulating pipe (10) and filling tube (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220032710.2U CN216630848U (en) | 2022-01-07 | 2022-01-07 | Little powder processing raw materials of boron carbide mixes machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220032710.2U CN216630848U (en) | 2022-01-07 | 2022-01-07 | Little powder processing raw materials of boron carbide mixes machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216630848U true CN216630848U (en) | 2022-05-31 |
Family
ID=81726599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220032710.2U Expired - Fee Related CN216630848U (en) | 2022-01-07 | 2022-01-07 | Little powder processing raw materials of boron carbide mixes machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216630848U (en) |
-
2022
- 2022-01-07 CN CN202220032710.2U patent/CN216630848U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |