CN107804844A - Oxides of nitrogen gas reclaims the method and device of diamond - Google Patents
Oxides of nitrogen gas reclaims the method and device of diamond Download PDFInfo
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- CN107804844A CN107804844A CN201711217575.9A CN201711217575A CN107804844A CN 107804844 A CN107804844 A CN 107804844A CN 201711217575 A CN201711217575 A CN 201711217575A CN 107804844 A CN107804844 A CN 107804844A
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- absorption tower
- oxides
- diamond
- reactor
- nitrogen gas
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 35
- 239000010432 diamond Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910001873 dinitrogen Inorganic materials 0.000 title claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000047 product Substances 0.000 claims abstract description 23
- 239000002699 waste material Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 18
- 238000005516 engineering process Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims abstract description 13
- 229910052742 iron Inorganic materials 0.000 claims abstract description 12
- 230000001590 oxidative effect Effects 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims abstract description 10
- 229910002651 NO3 Inorganic materials 0.000 claims abstract description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229960004887 ferric hydroxide Drugs 0.000 claims abstract description 9
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 claims abstract description 9
- 239000002244 precipitate Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 13
- 238000010079 rubber tapping Methods 0.000 claims description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical class [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 2
- KZNMRPQBBZBTSW-UHFFFAOYSA-N [Au]=O Chemical class [Au]=O KZNMRPQBBZBTSW-UHFFFAOYSA-N 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 claims 1
- 229910001922 gold oxide Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000009938 salting Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000000802 nitrating effect Effects 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- NTVYFDOMBHOLGP-UHFFFAOYSA-N gold nitric acid Chemical compound [Au].O[N+]([O-])=O NTVYFDOMBHOLGP-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- C22B15/0091—Treating solutions by chemical methods by cementation
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of method and device of oxides of nitrogen gas recovery diamond, solves acid waste water existing for current technology and diamond waste product environmental pollution problem.Its technical characteristic is：Replace dust technology to make absorbing liquid with nitrate, to improve the absorbability on absorption tower, make while absorbing NOx, oxides of nitrogen gas caused by recovery diamond need not separately build absorption tower, it is possible to be absorbed by former tower；PH value is adjusted with non-oxidizing acid, corrosive liquid is lost oxidisability when higher than the pH value of ferric hydroxide precipitate, allows iron to replace copper；According to the quality requirements of product, appropriate non-oxidizing acid and adjusting PH with base value are selected, waste is all changed into the product for having the market demand, water can recycle.The beneficial effects of the invention are as follows：Small investment, turn waste into wealth, it is environment-friendly.
Description
Technical field
The present invention relates to discard metallic bond in the instruments such as cutting, grinding and drilling with oxides of nitrogen gas and water dissolving
Diamond recovery method and device.
Background technology
Diamond is naturally occurring most hard material in nature, is widely used in geological drilling and marble etc.
Cutting, grinding and drilling of hard brittle material etc. are processed.The rise of diamond industry, bring the swift and violent hair of processing of stone industry
Exhibition.China is diamond and diamond tool production and application big country, consumes substantial amounts of diamond every year, also produces substantial amounts of Buddha's warrior attendant
Stone waste product.In diamond waste product in addition to the diamond particles containing costliness, also there is very high recycling valency containing some
The material of value（Such as tungsten carbide, copper, cobalt, nickel）.Therefore, the recycling to diamond waste product is very significant.
During with clear water absorbing NOx gas, to reach preferable assimilation effect, must just increase gas-liquid two-phase contact
Area, i.e., fully soak filler surface.This just makes clear water consumption big, and caused dust technology waste water is more, and discharge pressure is big.It is existing
Technique is will to flow to the dust technology at absorption tower bottom, with being pumped into tower top, cyclic absorption oxides of nitrogen gas, and into circulation fluid not
The clear water of disconnected supplement certain flow.This essence is to use acid waste water absorbing NOx gas, and its absorption driving force is inhaled with clear water
Receipts are compared, and are substantially reduced.Current technology, which also has high-concentration dilute nitric acid discharge, influences environment and problem of resource waste.I utilizes
Dust technology caused by current technology reclaims diamond waste product, and existing needs another build to invest big absorption tower and diamond particles recovery
Afterwards, the corrosive liquid obtained is oxidizing, can not be cemented out copper therein with iron.
The content of the invention
It is an object of the invention to turn waste into wealth, there is provided a kind of method and device of oxides of nitrogen gas recovery diamond.
A kind of technical characteristic of the method for present invention oxides of nitrogen gas recovery diamond is：Dust technology is replaced with nitrate
Make absorbing liquid, to increase the motive force of absorption process, improve the absorbability on absorption tower, make while absorbing NOx,
Oxides of nitrogen gas caused by recovery diamond need not separately build absorption tower, it is possible to be absorbed by former tower；It was found that pure nitric acid gold
Category corrosive liquid is oxidizing, and copper therein can not be replaced by iron, and iron is constantly aoxidized, and pH value of solution is dropped to a large amount of hydrogen-oxygens of generation
Change iron precipitation, adjust pH value with non-oxidizing acid, corrosive liquid is lost oxidisability when higher than the pH value of ferric hydroxide precipitate, allow iron
Copper can be replaced；According to the quality requirements of product, appropriate non-oxidizing acid and adjusting PH with base value are selected, waste is all changed into having city
The product of field demand, water can recycle.
A kind of device of oxides of nitrogen gas recovery diamond, it is two reactors, pump and the original technique by setting up
Absorption tower composition, filler built in absorption tower, top set offgas duct, bottom surface set communicating pipe, communicating pipe lower end be divided into two,
Connect respectively with the communicating pipe upper end with communicating valve, two communicating pipe lower end communicated respectively with two reactor upper ends, bottom sidewall is set
Nitrogen oxides air inlet pipe is put, two air communicating pipes with blower fan are set, communicated respectively with two reactor tops, two reactions
Bottom portion all sets the discharging tube with tapping valve, the inlet tubes of two pumps respectively with the discharge opeing above tapping valve below two reactors
Pipe communicates, and the outlet of two pumps imports house steward above absorption tower, and house steward is passed through above absorption tower top sidewall and filler
Shower nozzle is connected.
A kind of operating procedure of the method and device of oxides of nitrogen gas recovery diamond is as follows：
1) a certain amount of diamond waste product and clear water are separately added into reactor A, B, first close reactor A communicating valve, opened anti-
Kettle B communicating valves are answered, the rear circulating pump and blower fan for starting reactor B；
2）Start former technique nitric acid nitrating or oxidation reaction, allow caused by oxides of nitrogen gas enter absorb the bottom of the tower, along quilt
The filler surface of wetting is absorbed when rising, and tail gas is discharged from tower top；
3) clear water is pumped at the top of absorption tower and sprayed through shower nozzle in reactor, during declining along filler surface, absorbed nitrogen
Oxide gas, obtained dust technology flow into reactor；Dust technology corrodes diamond waste product in reactor, obtains nitrate solution；
4）Nitrate solution is pumped at the top of absorption tower and sprayed through shower nozzle in reactor, during declining along filler surface,
Absorbing NOx gas, obtained salting liquid containing acid+nitric acid flow into reactor；The corrosion of salting liquid containing acid+nitric acid gold in reactor
Hard rock waste product, obtains nitrate solution；
5）Above-mentioned absorption, corrosive cycle, which proceed to, absorbs corrosive liquid when having red ferric hydroxide precipitate, open communicating valve A, pump A and
Blower fan A, close communicating valve B and pump B；
6）Add non-oxidizable spent acid or finished acid into reactor B, its preferred sequence is to reduce cost and improve subsequent product
Quality is principle, between pH value is maintained into 1.5 to 0.5, preferred value 1；
7）After reactor B stops emitting tobacco, blower fan B is closed, opens tapping valve B, kettle liquid is sent into displacement pool, takes out reactor
Diamond particles and the complete diamond waste product of unreacted in B, a certain amount of diamond waste product and clear water are added to reactor B；
8) iron is put into displacement pool, when reaction to be replaced is completed, pond liquid is put into iron-removing tank, takes out copper sponge and not anti-respectively
The iron answered；
9）Iron-removing tank liquid pH is transferred to 2.0 to 3.5 with ammoniacal liquor, preferred value 3.5, after generating ferric hydroxide precipitate, clear liquid put
Enter except weight pond, bottom of pond starchiness iron hydroxide places dehydration and hardens into iron oxide, if the non-oxidizing acid of above-mentioned addition is not chloride
Ion, this iron oxide are high-quality iron-smelting raw materials；
10）Heavy metal removing agent is added in except weight pond, heavy metal precipitation is generated, removes heavy metal；
11）Evaporation removes the ammonium salt solution of heavy metal, obtains nitration mixture ammonium salt, can make composite fertilizer material, and the water circulation steamed uses；
12）When reactor A, which absorbs corrosive liquid, red ferric hydroxide precipitate, communicating valve B, pump B and blower fan B are opened, the company of closing
Port valve A and pump A；
13) corrosive liquid is absorbed by 6-11 step process reactors A, by above-mentioned 5-12 step reactions kettle A and reactor B alternate cycles
Use.
The beneficial effects of the invention are as follows：Small investment, turn waste into wealth, it is environment-friendly.
The invention will be further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure：1 is water pipe, and 2 be blower fan A, and 3 be communicating valve A, and 4 be steam valve A, and 5 be reactor A, and 6 be pump A, and 7 be discharge opeing
Valve A, 8 be discharging tube A, and 9 be cold doubtful water valve A, and 10 be tapping valve B, and 11 be discharging tube B, and 12 be pump B, and 13 is condense water valve B, 14
For reactor B, 15 be steam valve B, and 16 be communicating valve B, and 17 be blower fan B, and 18 be nitrogen oxides air inlet pipe, and 19 be absorption tower, 20
It is shower nozzle for filler, 21,22 be offgas duct.
Embodiment
A kind of device of oxides of nitrogen gas recovery diamond, it is the reactor A, reactor B and original work by setting up
The absorption tower 19 of skill forms, filler 20 built in absorption tower 19, top setting offgas duct 22, bottom surface setting communicating pipe, under communicating pipe
End be divided into two, connect respectively with the communicating pipe upper end with communicating valve A, B, two communicating pipe lower end respectively with reactor A, B upper ends
Communicate, bottom sidewall sets nitrogen oxides air inlet pipe 18, sets the air communicating pipe with blower fan A and with blower fan B, respectively with reaction
Kettle A and reactor B tops communicate, and reactor A and B bottoms all set the discharging tube with tapping valve, the inlet tube difference of two pumps
Communicated with the discharging tube above tapping valve below two reactors, pump A and B outlet import house steward above absorption tower 19, always
Pipe is connected through the top sidewall of absorption tower 19 with the shower nozzle 21 of the top of filler 20.
The operating procedure for implementing patent of the present invention is as follows：
1) a certain amount of diamond waste product and clear water are separately added into reactor A, B, first close communicating valve A, open communicating valve B, after
Start circulating pump B and blower fan B；
2）Start former technique nitric acid nitrating or oxidation reaction, allow caused oxides of nitrogen gas to enter the bottom of absorption tower 19, on edge
The wetted surface of filler 20 is absorbed when rising, and tail gas is discharged from tower top；
3) clear water is sent to the top of absorption tower 19 by pump B and sprayed through shower nozzle 21 in reactor B, is declining process along the surface of filler 20
In, absorbing NOx gas, obtained dust technology flows into reactor B；Dust technology corrodes diamond waste product in reactor B, obtains
Nitrate solution；
4) nitrate solution is sent to the top of absorption tower 19 by pump B and sprayed through shower nozzle 21 in reactor B, declines along the surface of filler 20
During, absorbing NOx gas, obtained salting liquid containing acid+nitric acid flows into reactor B；Salt containing acid+nitric acid is molten in reactor B
Corrosion diamond waste product, obtains nitrate solution；
5) above-mentioned absorption, corrosive cycle proceed to when absorbing corrosive liquid and having red ferric hydroxide precipitate, open communicating valve A, pump A and
Blower fan A, close communicating valve B and pump B；
6）Add non-oxidizable spent acid or finished acid into reactor B, its preferred sequence is to reduce cost and improve subsequent product
Quality is principle, between pH value is maintained into 1.5 to 0.5, preferred value 1；
7）After reactor B stops emitting tobacco, blower fan B is closed, opens tapping valve B, kettle liquid is sent into displacement pool, takes out reactor
Diamond particles and the complete diamond waste product of unreacted in B, a certain amount of diamond waste product and clear water are added to reactor B；
8) iron is put into displacement pool, when reaction to be replaced is completed, pond liquid is put into iron-removing tank, takes out copper sponge and not anti-respectively
The iron answered；
9）Iron-removing tank liquid pH is transferred to 2.0 to 3.5 with ammoniacal liquor, preferred value 3.5, after generating ferric hydroxide precipitate, clear liquid is put into
Except weight pond, bottom of pond starchiness iron hydroxide place dehydration harden into iron oxide, if the non-oxidizing acid of above-mentioned addition it is not chloride from
Son, this iron oxide are high-quality iron-smelting raw materials；
10）Heavy metal removing agent is added in except weight pond, heavy metal precipitation is generated, removes heavy metal；
11）Evaporation removes the ammonium salt solution of heavy metal, obtains nitration mixture ammonium salt, can make composite fertilizer material, and the water circulation steamed uses；
12）When reactor A, which absorbs corrosive liquid, red ferric hydroxide precipitate, communicating valve B, pump B and blower fan B are opened, the company of closing
Port valve A and pump A；
13) corrosive liquid is absorbed by 6-11 step process reactors A, by above-mentioned 5-12 step reactions kettle A and reactor B alternate cycles
Use.
Claims (2)
1. a kind of method of oxides of nitrogen gas recovery diamond, its technical characteristic are：Dust technology is replaced to absorb with nitrate
Liquid, to increase the motive force of absorption process, the absorbability on absorption tower is improved, made while absorbing NOx, recovery gold
Oxides of nitrogen gas caused by hard rock need not separately build absorption tower, it is possible to be absorbed by former tower；It was found that pure nitric acid metal erosion
Liquid is oxidizing, and copper therein can not be replaced by iron, and iron is constantly aoxidized, and pH value of solution is dropped to a large amount of iron hydroxides of generation and sinks
Form sediment, adjust pH value with non-oxidizing acid, corrosive liquid is lost oxidisability when higher than the pH value of ferric hydroxide precipitate, iron can be replaced
Copper；According to the quality requirements of product, appropriate non-oxidizing acid and adjusting PH with base value are selected, waste is all changed into having the market demand
Product, water can recycle.
A kind of 2. device of oxides of nitrogen gas recovery diamond, it is characterised in that it be by set up two reactors, pump and
Original technique absorption tower composition, filler built in absorption tower, top set offgas duct, bottom surface set communicating pipe, communicating pipe lower end
Be divided into two, connect respectively with the communicating pipe upper end with communicating valve, two communicating pipe lower end communicated respectively with two reactor upper ends, bottom
Portion's side wall sets nitrogen oxides air inlet pipe, sets two air communicating pipes with blower fan, is communicated respectively with two reactor tops,
Two reactor bottoms all set the discharging tube with tapping valve, the inlet tubes of two pumps respectively with tapping valve below two reactors
The discharging tube of side communicates, and the outlet of two pumps imports house steward above absorption tower, and house steward is through absorption tower top sidewall with filling out
The shower nozzle of material top is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217575.9A CN107804844A (en) | 2017-11-28 | 2017-11-28 | Oxides of nitrogen gas reclaims the method and device of diamond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711217575.9A CN107804844A (en) | 2017-11-28 | 2017-11-28 | Oxides of nitrogen gas reclaims the method and device of diamond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107804844A true CN107804844A (en) | 2018-03-16 |
Family
ID=61590767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711217575.9A Pending CN107804844A (en) | 2017-11-28 | 2017-11-28 | Oxides of nitrogen gas reclaims the method and device of diamond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107804844A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264711A (en) * | 2018-11-30 | 2019-01-25 | 黄冈师范学院 | A kind of diamond recovery method, device and application for not discharging nitrogen oxide |
| CN109279602A (en) * | 2018-11-30 | 2019-01-29 | 黄冈师范学院 | A kind of diamond recovery method, device and application improving nitric acid utilization rate |
| CN109319776A (en) * | 2018-11-30 | 2019-02-12 | 黄冈师范学院 | The method, apparatus and application of nitrogen oxide and iron ion catalysis oxidation recycling diamond |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2034863A (en) * | 1933-02-24 | 1936-03-24 | Du Pont | Absorption of oxides of nitrogen |
| CN104046785A (en) * | 2014-04-09 | 2014-09-17 | 中南大学 | Method for processing waste copper/iron-based diamond tool bit |
| CN105879634A (en) * | 2014-12-31 | 2016-08-24 | 曾舟华 | Method and device for recovering diamonds through metronidazole nitration waste gas |
| CN205634901U (en) * | 2016-05-12 | 2016-10-12 | 黄冈师范学院 | Retrieve device of diamond |
| CN106086419A (en) * | 2016-07-15 | 2016-11-09 | 深圳市危险废物处理站有限公司 | A kind of recovery and treatment method of waste and old copper iron-based diamond saw blade |
-
2017
- 2017-11-28 CN CN201711217575.9A patent/CN107804844A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2034863A (en) * | 1933-02-24 | 1936-03-24 | Du Pont | Absorption of oxides of nitrogen |
| CN104046785A (en) * | 2014-04-09 | 2014-09-17 | 中南大学 | Method for processing waste copper/iron-based diamond tool bit |
| CN105879634A (en) * | 2014-12-31 | 2016-08-24 | 曾舟华 | Method and device for recovering diamonds through metronidazole nitration waste gas |
| CN205634901U (en) * | 2016-05-12 | 2016-10-12 | 黄冈师范学院 | Retrieve device of diamond |
| CN106086419A (en) * | 2016-07-15 | 2016-11-09 | 深圳市危险废物处理站有限公司 | A kind of recovery and treatment method of waste and old copper iron-based diamond saw blade |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264711A (en) * | 2018-11-30 | 2019-01-25 | 黄冈师范学院 | A kind of diamond recovery method, device and application for not discharging nitrogen oxide |
| CN109279602A (en) * | 2018-11-30 | 2019-01-29 | 黄冈师范学院 | A kind of diamond recovery method, device and application improving nitric acid utilization rate |
| CN109319776A (en) * | 2018-11-30 | 2019-02-12 | 黄冈师范学院 | The method, apparatus and application of nitrogen oxide and iron ion catalysis oxidation recycling diamond |
| CN109319776B (en) * | 2018-11-30 | 2023-09-15 | 黄冈师范学院 | Method, device and application for recycling diamond through catalytic oxidation of nitrogen oxide and iron ions |
| CN109264711B (en) * | 2018-11-30 | 2023-10-03 | 黄冈师范学院 | Diamond recovery method, device and application without discharging nitrogen oxide |
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Application publication date: 20180316 |