CN203612973U - Device for separating and recycling waste ammonia gas discharged in process of LED (light-emitting diode) production through membrane components - Google Patents
Device for separating and recycling waste ammonia gas discharged in process of LED (light-emitting diode) production through membrane components Download PDFInfo
- Publication number
- CN203612973U CN203612973U CN201320720997.9U CN201320720997U CN203612973U CN 203612973 U CN203612973 U CN 203612973U CN 201320720997 U CN201320720997 U CN 201320720997U CN 203612973 U CN203612973 U CN 203612973U
- Authority
- CN
- China
- Prior art keywords
- ammonia
- ammonia water
- led
- membrane separation
- entrance
- 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.)
- Expired - Lifetime
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 239000012528 membrane Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title abstract description 10
- 239000002699 waste material Substances 0.000 title abstract description 5
- 238000004064 recycling Methods 0.000 title abstract 2
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 23
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000008014 freezing Effects 0.000 claims abstract description 15
- 238000007710 freezing Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910021529 ammonia Inorganic materials 0.000 claims description 56
- 230000000712 assembly Effects 0.000 claims description 17
- 238000000429 assembly Methods 0.000 claims description 17
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 5
- 239000006200 vaporizer Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical group C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses a device for separating and recycling waste ammonia gas discharged in the process of LED (light-emitting diode) production through membrane components. The device comprises an air temperature type gas cooler, a precision filter, a booster fan, membrane separation components, ammonia water circulating tanks, ammonia water circulating pumps, plate heat exchangers, a freezing machine unit, a freezing water circulating pump, a saturated ammonia water tank and a saturated ammonia water output pump, wherein the air outlet of the air temperature type gas cooler is connected with the inlet of the precision filter, the outlet of the precision filter is connected with the inlet of the booster fan, the outlet of the booster fan is connected with the inlet of one membrane separation component, the outlets of the membrane separation components are connected with the inlets of the ammonia water circulating tanks, and the ammonia water circulating pumps are arranged at the outlets of the ammonia water circulating tanks; two pipelines are arranged on each ammonia water circulating pump, one pipeline is connected with the inlet of one plate heat exchanger, the outlet of one plate heat exchanger is connected with the inlet of the freezing machine unit, and the other pipeline is connected with the inlet of the saturated ammonia water tank. According to the device, the waste ammonia gas discharged in the process of LED production can be absorbed into ammonia water by the membrane components, the absorption rate can reach 99.9%, and the ammonia water concentration can reach about 25%, so that the environment problem caused by discharging waste ammonia gas in the process of LED production can be solved, and the recycle utilization rate is high.
Description
Technical field
The utility model relates in LED production processes waste gas technical field, and particularly a kind of components apart that adopts hydrophilic hollow fibre film composition reclaims the device that discharges the ammonia that gives up in LED production.
Background technology
(LED) main raw material(s) of photodiode in gas-phase deposition is ultra-pure ammonia, nitrogen, hydrogen, MO source.The at high temperature vapour deposition of trimethyl-gallium and ammonia generates gan.
And in order to make full use of the MO source that price is more expensive, it is greatly excessive to need in ultra-pure ammonia vapour deposition, the utilization ratio in whole reaction process is less than 1%, and the ammonia of redundance is discharged together with carrier gas nitrogen, hydrogen.And ammonia is obnoxious flavour environmental protection treatment in addition, can legal discharge.The method of processing at present LED production discharging waste gas has: the one, discharge ammonia is neutralized with sulfuric acid, and the later waste liquid of neutralization enters sewage work and processes; The 2nd, adopt packing tower that discharge ammonia is absorbed as to ammoniacal liquor, ammoniacal liquor is undersold; The 3rd, adopt film-falling absorption tower will discharge ammonia and absorb into ammoniacal liquor, ammoniacal liquor is undersold;
Because the neutralisation in aforesaid method is to transfer the pollution, environmental issue is not solved at all.And the method for two absorption ammoniacal liquor, because the ammonia concentration in LED discharging waste gas is only less than 20%, all the other nitrogen, density of hydrogen have reached 80% left and right, cause the solubleness of ammonia in water greatly to reduce, and are less than 10%, and the added value of ammoniacal liquor is extremely low.Due to the reduction that the ammonia in waste gas dissolves in water, in the end in qualified discharge process, must use sulfuric acid to neutralize.Still had a strong impact on environment, and recovery utilization rate is low.
Utility model content
Utility model object of the present utility model is the shortcoming in order to overcome above-mentioned background technology, the membrane module that adopts hydrophilic hollow fibre film composition is provided, ammonia during LED is produced in the mixed gas of the nitrogen of discharge, hydrogen, ammonia is absorbed as ammoniacal liquor, nitrogen in mixed gas, hydrogen are discharged at another of film due to not hydrophilic, the device that makes LED process gas be reclaimed and purify.
The technical solution of the utility model is: a kind of membrane component of using is from the device that reclaims the useless ammonia of discharge in LED production, it comprises: air temperature type gas cooler, accurate filter, booster fan, membrane separation assemblies, ammonia circulation tank, ammonia circulation pump, plate-type heat exchanger, freezing unit, chilled water circulating pump, saturated ammonia water pot, saturated ammoniacal liquor Send out pump, described air temperature type gas cooler air outlet is connected with accurate filter entrance, accurate filter outlet connects booster fan entrance, booster fan outlet junctional membrane separation assembly entrance, membrane separation assemblies outlet connects ammonia circulation tank entrance, ammonia circulation tank exit is provided with ammonia circulation pump, ammonia circulation pump is provided with two pipelines, a wherein pipeline connecting plate type heat exchanger entrance, plate-type heat exchanger outlet connects freezing unit entrance, another pipeline connects saturated ammonia water pot entrance.
Described freezing unit exit is provided with chilled water circulating pump, and saturated ammonia water pot exit is provided with saturated ammoniacal liquor Send out pump.
Described air temperature type gas cooler is finned air vaporizer.
Described booster fan is that its force value of aluminium alloy booster fan is minimum for 0.01MPa, is 0.05MPa to the maximum.
Described membrane separation assemblies adopts hydrophilic hollow fibre film.
The water temperature span of control of described freezing unit be minimum be 0 ℃, be up to 2 ℃.
Described membrane separation assemblies is minimum is one group, and every group of membrane separation assemblies all connects ammonia circulation tank and connect ammonia circulation pump again, ammonia circulation pump connecting plate type interchanger.
The beneficial effects of the utility model are: the utility model membrane module can reach 99.9% by the specific absorption that in LED production, the useless ammonia of discharge is absorbed as ammoniacal liquor, ammonia concn can reach 25% left and right, solved the environmental issue of the useless ammonia of discharge during LED produces, and recovery utilization rate is high.
Accompanying drawing explanation
Fig. 1 is five groups of membrane separation assemblies structural representations that the utility model adopts;
Fig. 2 is that the utility model adopts single mode separation assembly structural representation;
Wherein: 1, air temperature type gas cooler, 2, accurate filter, 3, booster fan, 4, membrane separation assemblies, 5, ammonia circulation tank, 6, ammonia circulation pump, 7, plate-type heat exchanger, 8, freezing unit, 9, chilled water circulating pump, 10, saturated ammonia water pot, 11, saturated ammoniacal liquor Send out pump.
Embodiment
The present embodiment be a kind of with membrane component from reclaim LED produce in the device of the useless ammonia of discharge, it comprises: air temperature type gas cooler (1), accurate filter (2), booster fan (3), membrane separation assemblies (4), ammonia circulation tank (5), ammonia circulation pump (6), plate-type heat exchanger (7), freezing unit (8), chilled water circulating pump (9), saturated ammonia water pot (10), saturated ammoniacal liquor Send out pump (11).
As shown in Figure 1, air temperature type gas cooler (1) is that its air outlet of finned air vaporizer is connected with accurate filter (2) entrance, accurate filter (2) outlet connects booster fan (3) entrance, booster fan (3) outlet junctional membrane separation assembly (4) entrance, described membrane separation assemblies (4) adopts hydrophilic hollow fibre film, membrane separation assemblies (4) outlet connects ammonia circulation tank (5) entrance, ammonia circulation tank (5) exit is provided with ammonia circulation pump (6), ammonia circulation pump (6) is provided with two pipelines, a wherein pipeline connecting plate type interchanger (7) entrance, plate-type heat exchanger (7) outlet connects freezing unit (8) entrance, described freezing unit (8) exit is provided with chilled water circulating pump (9), another pipeline connects saturated ammonia water pot (10) entrance, and saturated ammonia water pot (10) exit is provided with saturated ammoniacal liquor Send out pump (11).
Membrane separation assemblies (4) is that one group of membrane separation assemblies (4) all connects ammonia circulation tank (5) and connects ammonia circulation pump (6), ammonia circulation pump (6) connecting plate type interchanger (7) again as shown in Figure 2.
Claims (7)
- One kind with membrane component from reclaim LED produce in the device of the useless ammonia of discharge, it comprises: air temperature type gas cooler, accurate filter, booster fan, membrane separation assemblies, ammonia circulation tank, ammonia circulation pump, plate-type heat exchanger, freezing unit, chilled water circulating pump, saturated ammonia water pot, saturated ammoniacal liquor Send out pump, it is characterized in that described air temperature type gas cooler air outlet is connected with accurate filter entrance, accurate filter outlet connects booster fan entrance, booster fan outlet junctional membrane separation assembly entrance, membrane separation assemblies outlet connects ammonia circulation tank entrance, ammonia circulation tank exit is provided with ammonia circulation pump, ammonia circulation pump is provided with two pipelines, a wherein pipeline connecting plate type heat exchanger entrance, plate-type heat exchanger outlet connects freezing unit entrance, another pipeline connects saturated ammonia water pot entrance.
- 2. a kind of membrane component of using according to claim 1 is from the device that reclaims the useless ammonia of discharge in LED production, and the freezing unit exit described in it is characterized in that is provided with chilled water circulating pump, and saturated ammonia water pot exit is provided with saturated ammoniacal liquor Send out pump.
- 3. a kind of membrane component of using according to claim 1 is from the device that reclaims the useless ammonia of discharge in LED production, and the air temperature type gas cooler described in it is characterized in that is finned air vaporizer.
- 4. a kind of membrane component of using according to claim 1 is from the device that reclaims the useless ammonia of discharge in LED production, and the booster fan described in it is characterized in that is the minimum 0.01MPa of being of its force value of aluminium alloy booster fan, is 0.05MPa to the maximum.
- 5. a kind of membrane component of using according to claim 1 is from the device that reclaims the useless ammonia of discharge in LED production, and the membrane separation assemblies described in it is characterized in that adopts hydrophilic hollow fibre film.
- According to claim 1 a kind of with membrane component from reclaim LED produce in the device of the useless ammonia of discharge, the water temperature span of control that it is characterized in that described freezing unit be minimum be 0 ℃, be up to 2 ℃.
- 7. a kind of membrane component of using according to claim 1 is from the device that reclaims the useless ammonia of discharge in LED production, it is characterized in that described membrane separation assemblies minimum be one group, every group of membrane separation assemblies all connects ammonia circulation tank and connects ammonia circulation pump again, ammonia circulation pump connecting plate type interchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720997.9U CN203612973U (en) | 2013-11-15 | 2013-11-15 | Device for separating and recycling waste ammonia gas discharged in process of LED (light-emitting diode) production through membrane components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320720997.9U CN203612973U (en) | 2013-11-15 | 2013-11-15 | Device for separating and recycling waste ammonia gas discharged in process of LED (light-emitting diode) production through membrane components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203612973U true CN203612973U (en) | 2014-05-28 |
Family
ID=50765631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320720997.9U Expired - Lifetime CN203612973U (en) | 2013-11-15 | 2013-11-15 | Device for separating and recycling waste ammonia gas discharged in process of LED (light-emitting diode) production through membrane components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203612973U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818930A (en) * | 2013-11-15 | 2014-05-28 | 苏州金宏气体股份有限公司 | Device for separating and recycling waste ammonia discharged during LED (light emitting diode) production through membrane component and operating method of device |
-
2013
- 2013-11-15 CN CN201320720997.9U patent/CN203612973U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818930A (en) * | 2013-11-15 | 2014-05-28 | 苏州金宏气体股份有限公司 | Device for separating and recycling waste ammonia discharged during LED (light emitting diode) production through membrane component and operating method of device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204714541U (en) | A kind of single tower negative pressure ammonia evaporation system | |
| CN104748507A (en) | Treatment system for recovering chemical plant waste gas containing ammonia into liquid ammonia and treatment method thereof | |
| CN104843816A (en) | Method for combined production of ammonium sulfate and ammonia water through heat pump flash evaporation, stripping and deamination | |
| CN203108242U (en) | Double-effect evaporation system used for ammonium sulphate concentration | |
| CN203612973U (en) | Device for separating and recycling waste ammonia gas discharged in process of LED (light-emitting diode) production through membrane components | |
| CN206467171U (en) | Reclaim, purify the device of N methyl pyrrolidones | |
| CN203411359U (en) | Device for processing residual ammonia water of coke oven with negative pressure flash evaporation method | |
| CN101503257B (en) | Method and apparatus for recovering and treating ammonium nitrate condensate liquid wastewater | |
| CN102698462A (en) | Acid mist condensing water-saving method of reaction kettle for producing aluminum polychlorid and system thereof | |
| CN203187610U (en) | Methenamine production device | |
| CN214020023U (en) | Preparation facilities of hydrogen chloride methanol solution | |
| CN104829032A (en) | Ammonia-nitrogen wastewater treatment system | |
| CN213643633U (en) | Ammonia absorption device in creatine production process | |
| CN205145637U (en) | Refining plant of isopentane solvent | |
| CN103818930A (en) | Device for separating and recycling waste ammonia discharged during LED (light emitting diode) production through membrane component and operating method of device | |
| CN211078984U (en) | DMAC (dimethylacetamide) recycling, purifying and circulating environment-friendly device | |
| CN109179828B (en) | Fluorine chemical plant sewage zero discharge and resource recovery method based on waste heat driving | |
| CN211619981U (en) | Vinyl sulfate waste water treatment and recovery system | |
| CN203648518U (en) | Energy-saving circulation water cooling system | |
| CN203487061U (en) | Methanol recycling device for biodiesel production process | |
| CN102416297A (en) | Technical method for recovering waste alkali liquor with composite ceramic membrane in washing of beer bottles | |
| CN202687993U (en) | Device for recovering ammonia in copper wash resurgent gas | |
| CN204607766U (en) | A kind of Waste water concentrating system | |
| CN205109317U (en) | Vacuum tail gas treatment system | |
| CN111056580A (en) | Vinyl sulfate waste water treatment and recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215152 Anmin Road, Panyang Industrial Park, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jinhong Gas Co.,Ltd. Address before: 215143 No. 6 Anmin Road, Panyang Industrial Park, Huangduo Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU JINHONG GAS Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
|
| CX01 | Expiry of patent term |