CN108298544A - The floatation retracting device and its recovery method of remaining boron carbide in a kind of halogenation boron production process - Google Patents
The floatation retracting device and its recovery method of remaining boron carbide in a kind of halogenation boron production process Download PDFInfo
- Publication number
- CN108298544A CN108298544A CN201810257382.4A CN201810257382A CN108298544A CN 108298544 A CN108298544 A CN 108298544A CN 201810257382 A CN201810257382 A CN 201810257382A CN 108298544 A CN108298544 A CN 108298544A
- Authority
- CN
- China
- Prior art keywords
- flotation cell
- brine
- screen frame
- boron carbide
- floatation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052580 B4C Inorganic materials 0.000 title claims abstract description 43
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 22
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000026030 halogenation Effects 0.000 title claims abstract description 19
- 238000005658 halogenation reaction Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000011084 recovery Methods 0.000 title abstract description 5
- 239000012267 brine Substances 0.000 claims abstract description 66
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 66
- 238000005188 flotation Methods 0.000 claims abstract description 62
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 36
- 239000002699 waste material Substances 0.000 claims abstract description 30
- 239000011780 sodium chloride Substances 0.000 claims abstract description 29
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000004064 recycling Methods 0.000 claims abstract description 28
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims abstract description 4
- 235000002639 sodium chloride Nutrition 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 12
- 230000005574 cross-species transmission Effects 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 230000003028 elevating effect Effects 0.000 claims description 7
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- 239000001110 calcium chloride Substances 0.000 claims description 5
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000005553 drilling Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000010563 solid-state fermentation Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims 1
- 230000008859 change Effects 0.000 description 5
- ILAHWRKJUDSMFH-UHFFFAOYSA-N boron tribromide Chemical compound BrB(Br)Br ILAHWRKJUDSMFH-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 2
- -1 boron carbides Chemical class 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
- B03B5/40—Devices therefor, other than using centrifugal force of trough type
Abstract
The invention discloses the floatation retracting devices and its recovery method of remaining boron carbide in a kind of halogenation boron production process, including flotation cell, recycle screen frame, waste residue screen frame, saline slot and brine pump, the flotation cell is the square groove of upper end opening, flotation cell upper end opening is arranged in inclined-plane, recycling network sash hanger is in the inside of flotation cell, it is hung on flotation cell outside waste residue screen frame and is located at the side of open inclined-plane low level and the surface positioned at saline slot, flotation cell is connect with waste residue screen frame overflow, the brine outlet of saline slot is connect through brine pump with the import at the top of flotation cell, the bottom side of flotation cell is equipped with brine outlet, brine outlet is connect through valve with saline slot.The present invention utilizes the density variation of carbon clinker and boron carbide, carries out FLOTATION SEPARATION using brine, conveniently and efficiently recycles boron carbide remaining in carbon clinker, avoid waste and reduce production cost.
Description
Technical field
The invention belongs to field of chemical equipment, the floatation of remaining boron carbide is returned in specifically a kind of halogenation boron production process
Receiving apparatus and its recovery method.
Background technology
Boron chloride and Boron tribromide are the major products of halogenation boron, are widely used in medicine, chemical industry, electronics industry and contain
Boron ceramic material.The production method of boron chloride and Boron tribromide mainly uses boron carbide particles and halogen to carry out high temperature for raw material
Synthetic reaction is made gaseous halogenation boron product and generates granular carbon clinker, and reaction principle is as follows：
B4C+6Cl2=4BCl3+C
B4C+6Br2=4BBr3+C
Chlorine or bromine be excessive in order to prevent in production process and polluted product, and excessive carbon is often filled in synthetic reaction stove
Change boron, after causing synthetic reaction, can not recycle, make containing a large amount of unreacted remaining boron carbides in waste carbon clinker
At waste and the increase of cost.
Invention content
The purpose of the present invention is to solve disadvantage existing in the prior art, in a kind of halogenation boron production process of proposition
The floatation retracting device of remaining boron carbide, a large amount of unreacted residual carbons that can will contain in waste carbon clinker after halogenation
Change boron easily recycling.
Technical problem solved by the invention is realized using following technical scheme：
The floatation retracting device of remaining boron carbide in a kind of halogenation boron production process, including flotation cell, recycling screen frame, waste residue net
Frame, saline slot and brine pump, the flotation cell are the square groove of upper end opening, and flotation cell upper end opening is arranged in inclined-plane, recycling
Screen frame hangs on the inside of flotation cell, and flotation cell is hung on outside waste residue screen frame and is located at the side of open inclined-plane low level and is located at saline slot
Surface, flotation cell connect with waste residue screen frame overflow, and the brine outlet of saline slot is through the import at the top of brine pump and flotation cell
The bottom side of connection, flotation cell is equipped with brine outlet, and brine outlet is connect through valve with saline slot.
Preferably, it is respectively equipped with glove boss on the inner wall of both sides inside the flotation cell, recycles the both sides frame of screen frame
It is respectively arranged on the glove boss of flotation cell both sides.
Preferably, presser device is additionally provided with above the flotation cell, presser device includes elevating lever and pressing plate, elevating lever
It drives and lifts through external impetus, mesh is evenly equipped on pressing plate.
Preferably, it recycles screen frame surrounding and bottom is drilled with mesh respectively, recycle and be respectively equipped among the both sides frame of screen frame
Pull out shackle.
Preferably, waste residue screen frame is upper end opening box, and bottom is drilled with mesh.
Preferably, the recycling screen frame and waste residue screen frame are made and/or are woven by plank drilling.
The recovery method of remaining boron carbide, step are in a kind of halogenation boron production process,
（1）The saturated sodium-chloride brine that enough density is 1.33 g/cm3 is prepared in saline slot（Or density is more than 1.3 g/
The calcium chloride brine of cm3）, and it is built in the bottom of flotation cell by screen frame is recycled；
（2）It will be mixed in the carbon clinker input flotation cell of remaining boron carbide, and by brine pump by the saturation chlorination in saline slot
Natrium brine is pumped into flotation cell, and in brine liquid level uphill process, boron carbide particles are recycled because density variation is deposited in screen frame,
And carbon clinker then floats with brine liquid level；
（3）Wait for that liquid level rises to certain altitude, with presser device bore meshed pressing plate by carbon clinker be pressed into repeatedly under liquid level with
Achieve the effect that boron carbide is sufficiently separated with carbon clinker in brine, the boron carbide particles of separation continue to be precipitated in recycling screen frame
It collects；
（4）Then presser device is removed, brine pump is used in combination to continue brine to be evacuated in flotation cell until spill-over；The salt of final spill-over
Water by the carbon clinker floated on liquid level from from the low side of flotation cell upper end opening flow into waste residue screen frame in collect；In waste residue screen frame
Then by its bottom, hole flows back to saline slot to the brine that spill-over comes out, and the carbon residue after draining makees Solid state fermentation；
（6）Brine in flotation cell is vented by bottom valve to saline slot, and by the boron carbide after draining together with recycling network
Frame takes out together, that is, completes recycling, and the boron carbide particles of recycling can utilize again after over cleaning and drying.
Preferably, the brine is the calcium chloride brine that saturated sodium-chloride brine or weight ratio are more than 30%.
The advantages of the present invention：
Using the density variation of carbon clinker and boron carbide, FLOTATION SEPARATION is carried out using brine, it conveniently and efficiently will be residual in carbon clinker
Remaining boron carbide recycles, and avoids waste and reduces production cost.
Description of the drawings
Fig. 1 is the structural schematic diagram of presently preferred embodiments of the present invention；
In figure, flotation cell 1, presser device 2, recycling screen frame 3, waste residue screen frame 4, saline slot 5, brine pump 6, glove boss 11 rise
Bar 21 drops, and pressing plate 22 pulls out shackle 31.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment 1, referring to Fig. 1, the floatation retracting device of remaining boron carbide in a kind of halogenation boron production process, including it is floating
It is the square groove of upper end opening, flotation to select slot 1, recycling screen frame 3, waste residue screen frame 4, saline slot 5 and brine pump 6, the flotation cell 1
1 upper end opening of slot is arranged in inclined-plane, and recycling screen frame 3 hangs on the inside of flotation cell 1, and being hung on flotation cell 1 outside waste residue screen frame 4 is located at
The side of open inclined-plane low level and the surface for being located at saline slot 5, flotation cell 1 are connect with 4 overflow of waste residue screen frame, saline slot 5
Brine outlet is connect through brine pump 6 with the import at 1 top of flotation cell, and the bottom side of flotation cell 1 is equipped with brine outlet, and brine goes out
Mouth is connect through valve with saline slot 5.
In order to further facilitate the placement of recycling screen frame 3, it is preferable that on the inner wall of 1 inside both sides of the flotation cell respectively
Equipped with glove boss 11, the both sides frame of recycling screen frame 3 is respectively arranged on the glove boss 11 of 1 both sides of flotation cell.
In order to further increase separating effect, it is preferable that the top of the flotation cell 1 is additionally provided with presser device 2, pressing plate dress
It includes elevating lever 21 and pressing plate 22 to set 2, and pressing plate 22 is set to the lower end of elevating lever 21, and the upper end of elevating lever 21 drives through external impetus
It lifts, mesh is evenly equipped on pressing plate 22.
In order to further facilitate taking for recycling screen frame 3, recycles 3 surrounding of screen frame and bottom is drilled with mesh, recycling network respectively
It is respectively equipped among the both sides frame of frame 3 and pulls out shackle 31.
Preferably, waste residue screen frame 4 is upper end opening box, and bottom is drilled with mesh.
Preferably, plank drilling form may be used in the recycling screen frame in the floatation retracting device and waste residue screen frame,
It can also be made of mesh grid.
The present invention utilizes the density variation of carbon clinker and boron carbide, and FLOTATION SEPARATION is carried out using brine.Wherein, boron carbide halogen
Change carbon clinker density remaining after reacting and be not more than 1.2 g/cm3, boron carbide density is 2.5 g/cm3, saturated sodium-chloride brine
Density is 1.33 g/cm3, and calcium chloride salt water density of the weight ratio more than 30% is then more than 1.3 g/cm3.Specific recovery method is such as
Under,
（1）The saturated sodium-chloride brine that enough density is 1.33 g/cm3 is prepared in saline slot 5（Or density is more than 1.3 g/
The calcium chloride brine of cm3）, and it is built in the bottom of flotation cell 1 by screen frame 3 is recycled；
（2）It will be mixed in the carbon clinker input flotation cell 1 of remaining boron carbide, and by brine pump 6 by the saturation chlorine in saline slot 5
Change natrium brine to be pumped into flotation cell 1, in brine liquid level uphill process, boron carbide particles are deposited in recycling screen frame because of density variation
In 3, and carbon clinker then floats with brine liquid level；
（3）Wait for that liquid level rises to certain altitude, bore meshed pressing plate 22 with presser device 2 is pressed into carbon clinker under liquid level repeatedly
To achieve the effect that boron carbide is sufficiently separated with carbon clinker in brine, the boron carbide particles of separation continue to be precipitated to recycling screen frame
It is collected in 3；
（4）Then presser device 2 is removed, brine pump 6 is used in combination to continue brine to be evacuated in flotation cell 1 until spill-over；Final spill-over
Brine the carbon clinker floated on liquid level is collected from being flowed into waste residue screen frame 4 from the low side of 1 upper end opening of flotation cell；Waste residue net
Then by its bottom, hole flows back to saline slot 5 to the brine that spill-over in frame 4 comes out, and the carbon residue after draining makees Solid state fermentation；
（6）Brine in flotation cell 1 is vented by bottom valve to saline slot 5, and by the boron carbide after draining together with recycling
Screen frame 3 takes out together, that is, completes recycling, and the boron carbide particles of recycling can utilize again after over cleaning and drying.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. the floatation retracting device of remaining boron carbide in a kind of halogenation boron production process, including flotation cell（1）, recycling screen frame
（3）, waste residue screen frame（4）, saline slot（5）And brine pump（6）, which is characterized in that the flotation cell（1）For the rectangular of upper end opening
Slot, flotation cell（1）Upper end opening is arranged in inclined-plane, recycles screen frame（3）Hang on flotation cell（1）Inside, waste residue screen frame（4）Outside
It is hung on flotation cell（1）Positioned at the side of open inclined-plane low level and it is located at saline slot（5）Surface, flotation cell (1) and waste residue net
Frame (4) overflow connects, and the brine outlet of saline slot (5) is connect through brine pump (6) with the import at the top of flotation cell (1), flotation cell
(1) bottom side is equipped with brine outlet, and brine outlet is connect through valve with saline slot (5).
2. the floatation retracting device of remaining boron carbide, special in a kind of halogenation boron production process according to claim 1
Sign is, glove boss (11), the two sides of recycling screen frame (3) are respectively equipped on the inner wall of the internal both sides of the flotation cell (1)
Frame is respectively arranged on the glove boss (11) of flotation cell (1) both sides.
3. the floatation retracting device of remaining boron carbide in a kind of halogenation boron production process according to claim 1 or 2,
It is characterized in that, presser device (2) is additionally provided with above the flotation cell (1), and presser device (2) includes elevating lever (21) and pressing plate
(22), elevating lever (21) drives through external impetus and lifts, and pressing plate is evenly equipped with mesh on (22).
4. the floatation retracting device of remaining boron carbide in a kind of halogenation boron production process according to claim 1 or 2,
It is characterized in that, recycles screen frame (3) surrounding and bottom is drilled with mesh respectively, be respectively equipped among the both sides frame of recycling screen frame (3)
Pull out shackle（31）.
5. the floatation retracting device of remaining boron carbide, special in a kind of halogenation boron production process according to claim 1
Sign is, waste residue screen frame（4）For upper end opening box, bottom is drilled with mesh.
6. the floatation retracting device of remaining boron carbide, special in a kind of halogenation boron production process according to claim 1
Sign is, the recycling screen frame（3）And waste residue screen frame（4）It is made and/or is woven by plank drilling.
7. the floatation retracting device of remaining boron carbide in a kind of halogenation boron production process according to claim 3, time
Steps are as follows for receipts,
（1）In saline slot（5）It is middle to prepare the saturated sodium-chloride brine that enough density is 1.33 g/cm3（Or density is more than 1.3
The calcium chloride brine of g/cm3）, and screen frame will be recycled（3）It is built in flotation cell（1）Bottom；
（2）The carbon clinker for being mixed with remaining boron carbide is put into flotation cell（1）In, and pass through brine pump（6）By saline slot（5）In
Saturated sodium-chloride brine is pumped into flotation cell（1）In, in brine liquid level uphill process, boron carbide particles are deposited in because of density variation
Recycle screen frame（3）In, and carbon clinker then floats with brine liquid level；
（3）It waits for that liquid level rises to certain altitude, uses presser device（2）Bore meshed pressing plate（22）Carbon clinker is pressed into liquid repeatedly
To achieve the effect that boron carbide is sufficiently separated with carbon clinker in brine under face, the boron carbide particles of separation continue to be precipitated to recycling
Screen frame（3）Middle collection；
（4）Then presser device is removed（2）, brine pump is used in combination（6）Continue brine being evacuated to flotation cell（1）In until spill-over；Most
The brine of whole spill-over is by the carbon clinker floated on liquid level from flotation cell（1）Waste residue screen frame is flowed at the low side of upper end opening（4）In
It collects；Waste residue screen frame（4）In spill-over come out brine then by its bottom, hole flows back to saline slot（5）, the carbon after draining is residual
Slag makees Solid state fermentation；
（6）By flotation cell（1）In brine be vented to saline slot by bottom valve（5）, and by the boron carbide after draining together with
Recycle screen frame（3）It takes out together, that is, completes recycling.
8. the floatation retracting device of remaining boron carbide, special in a kind of halogenation boron production process according to claim 7
Sign is that the brine is the calcium chloride brine that saturated sodium-chloride brine or weight ratio are more than 30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257382.4A CN108298544A (en) | 2018-03-27 | 2018-03-27 | The floatation retracting device and its recovery method of remaining boron carbide in a kind of halogenation boron production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257382.4A CN108298544A (en) | 2018-03-27 | 2018-03-27 | The floatation retracting device and its recovery method of remaining boron carbide in a kind of halogenation boron production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108298544A true CN108298544A (en) | 2018-07-20 |
Family
ID=62847796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810257382.4A Pending CN108298544A (en) | 2018-03-27 | 2018-03-27 | The floatation retracting device and its recovery method of remaining boron carbide in a kind of halogenation boron production process |
Country Status (1)
| Country | Link |
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| CN (1) | CN108298544A (en) |
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| CN1382226A (en) * | 1999-10-21 | 2002-11-27 | 阿克伦大学 | Recovery of precious metals from coal barning slag by multiple crushing/suspension stages |
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Application publication date: 20180720 |