CN103900372A - Experimental type inert gas circulating system - Google Patents
Experimental type inert gas circulating system Download PDFInfo
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- CN103900372A CN103900372A CN201210587899.2A CN201210587899A CN103900372A CN 103900372 A CN103900372 A CN 103900372A CN 201210587899 A CN201210587899 A CN 201210587899A CN 103900372 A CN103900372 A CN 103900372A
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- inert gas
- condenser
- dehumidifier
- preheater
- pipeline
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention relates to an experimental type inert gas circulating system. The experimental type inert gas circulating system and a spray dryer constitute a closed inert gas circulating system. The experimental type inert gas circulating system comprises a filter, a preheater, a condenser, a dehumidifier, a refrigerating unit and a solvent collection bottle. The filter, the preheater, the condenser and an inlet of the dehumidifier are sequentially connected through pipelines, an outlet of the dehumidifier is connected with the preheater through a pipeline again, the refrigerating unit is connected with the condenser, and the solvent collection bottle is arranged on the pipeline between the condenser and the dehumidifier. Compared with the prior art, the experimental type inert gas circulating system has the advantages that the experimental type inert gas circulating system can be matched with the experimental spray dryer to form the closed inert gas circulating system, carries out spray drying on materials containing flammable and toxic solvents and solvent recovery and can dry materials easy to oxidize; the experimental type inert gas circulating system is compact in structure, small in size, convenient to install and high in safety performance.
Description
Technical field
The present invention relates to the dry corollary equipment of a kind of spraying, especially relate to a kind of test-type inert gas circulatory system.
Background technology
Spray dryer is the one of continous way atmospheric dryer.By liquid material atomisation, make it contact with hot-air and be dried with special installation.For liquid, suspension and the viscous liquid of dry some thermal sensitivity, as milk, egg, tannin and medicine etc.Also for drying fuel, intermediate, soap powder and inorganic salts etc.
Air after filtration and heating, enter drier top air distributor, hot-air enters hothouse in the shape of a spiral equably.Feed liquid is through the high speed centrifugal atomization device at tower body top, and (rotation) sprays into imperceptible vaporific liquid pearl, contacts within the extremely short time and can be dried as finished product with hot-air stream.Finished product is continuously by exporting in drying tower bottom and cyclone separator, and waste gas is emptying by air-introduced machine.
Existing experiment type spray drier mostly is open, and tail gas directly discharges, can not contain flammable, toxic solvent material spray dry, can not be dried easily oxidized material.
Summary of the invention
Object of the present invention is exactly to provide a kind of test-type inert gas circulatory system in order to overcome the defect that above-mentioned prior art exists, coordinate the experiment spraying Dryly use composition enclosed inert gas circulatory system, to being dried and solvent recovery containing flammable, toxic solvent material spray, and can be dried easily oxidized material.
Object of the present invention can be achieved through the following technical solutions;
A kind of test-type inert gas circulatory system, with the spray dryer composition enclosed inert gas circulatory system, the described test-type inert gas circulatory system comprises filter, preheater, condenser, dehumidifier, refrigeration unit and solvent collection bottle, between the entrance of described filter, preheater, condenser and dehumidifier, connect by pipeline successively, the outlet of described dehumidifier is connected with preheater by pipeline again, described refrigeration unit is connected with condenser, and described solvent collection bottle is located on the pipeline between condenser and dehumidifier.
Pipeline between described condenser and solvent collection bottle is provided with temperature controller.
Pipeline before described solvent collection bottle is provided with valve.
Pipeline between described dehumidifier and condenser is provided with pressure sensor and automatic decompression device, and described pressure sensor is connected with automatic decompression device.
Pipeline between described dehumidifier and preheater is provided with oxygen sensor and automatic inert gas gatherer, and described oxygen sensor is connected with automatic inert gas gatherer.
By the condensation temperature of temperature controller control condenser; The built-in flammable gas alarm of body of spray dryer, monitors flammable escaping gas, improves device security performance; Described oxygen sensor is measured and is controlled in real time oxygen content in system, and oxygen concentration exceedes setting value, and system imports inert gas automatically; Pressure sensor is measured and is controlled in real time system pressure, and hypertonia system releasing pressure automatically, makes system pressure remain on setting range.
Export the inert gas that is loaded with solvent and steam of drawing from spray dryer and after filter filters out solid particle, enter successively preheater and condenser, after being condensed, solvent wherein and steam flows in solvent collection bottle, inert gas is after dehumidifier dehumidifying, and again after preheater preheating, flow out, recycled by spray dryer.
Compared with prior art, the test-type inert gas circulatory system of the present invention can realize and coordinate the experiment spray dryer composition enclosed inert gas circulatory system, to being dried and recycled solvent containing flammable, toxic solvent material spray, and can be dried easily oxidized material; Compact conformation of the present invention, volume is little, easy for installation, and security performance is high.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
In figure, 1 is filter, and 2 is preheater, 3 is condenser, and 4 is refrigeration unit, and 5 is solvent collection bottle, 6 is dehumidifier, and 7 is pressure sensor, and 8 is temperature controller, 9 is automatic decompression device, and 10 is oxygen sensor, and 11 is automatic inert gas gatherer, 12 is valve, A is the inert gas that is loaded with solvent and steam, and B is the inert gas through reclaiming solvent, and C is inert gas.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of test-type inert gas circulatory system, as shown in Figure 1, with the spray dryer composition enclosed inert gas circulatory system, the test-type inert gas circulatory system comprises filter 1, preheater 2, condenser 3, dehumidifier 6, refrigeration unit 4 and solvent collection bottle 5, between the entrance of filter 1, preheater 2, condenser 3 and dehumidifier 6, connect by pipeline successively, the outlet of dehumidifier 6 is connected with preheater 2 by pipeline again, refrigeration unit 4 is connected with condenser 3, and solvent collection bottle 5 is located on the pipeline between condenser 3 and dehumidifier 6.Pipeline between condenser 3 and solvent collection bottle 5 is provided with temperature controller 8.Pipeline before solvent collection bottle 5 is provided with valve 12.Pipeline between dehumidifier 6 and condenser 3 is provided with pressure sensor 7 and automatic decompression device 9, and pressure sensor 7 is connected with automatic decompression device 9.Pipeline between dehumidifier 6 and preheater 2 is provided with oxygen sensor 10 and automatic inert gas gatherer 11, and oxygen sensor 10 is connected with automatic inert gas gatherer 11.
Control the condensation temperature of condenser 3 by temperature controller 8; The built-in flammable gas alarm of body of spray dryer, monitors flammable escaping gas, improves device security performance; Oxygen sensor 10 is measured and is controlled in real time oxygen content in system, and oxygen concentration exceedes setting value, and system imports inert gas C automatically by automatic inert gas gatherer 11; Pressure sensor 7 is measured and is controlled in real time system pressure, and when hypertonia, system, by automatic decompression device 9 releasing pressure automaticallies, makes system pressure remain on setting range.
Export from spray dryer the inert gas A that is loaded with solvent and steam drawing and after filter 1 filters out solid particle, enter successively preheater 2 and condenser 3, after being condensed, solvent wherein and steam flows in solvent collection bottle 5, condensed inert gas is after dehumidifier 6 dehumidifying, and again after preheater 2 preheatings, become through reclaiming the inert gas B of solvent, flow out from preheater 2 through the inert gas B that reclaims solvent, recycled by spray dryer.Preheater 2 both can reduce refrigeration machine load by cooling hot gas, also can carry out preheating to condensed inert gas and again recycle.
Claims (5)
1. a test-type inert gas circulatory system, with the spray dryer composition enclosed inert gas circulatory system, it is characterized in that, the described test-type inert gas circulatory system comprises filter, preheater, condenser, dehumidifier, refrigeration unit and solvent collection bottle, described filter, preheater, between the entrance of condenser and dehumidifier, connect by pipeline successively, the outlet of described dehumidifier is connected with preheater by pipeline again, described refrigeration unit is connected with condenser, described solvent collection bottle is located on the pipeline between condenser and dehumidifier,
Export the inert gas that is loaded with solvent and steam of drawing from spray dryer and after filter filters out solid particle, enter successively preheater and condenser, after being condensed, solvent wherein and steam flows in solvent collection bottle, inert gas is after dehumidifier dehumidifying, and again after preheater preheating, flow out, recycled by spray dryer.
2. a kind of test-type inert gas circulatory system according to claim 1, is characterized in that, the pipeline between described condenser and solvent collection bottle is provided with temperature controller.
3. a kind of test-type inert gas circulatory system according to claim 1, is characterized in that, the pipeline before described solvent collection bottle is provided with valve.
4. a kind of test-type inert gas circulatory system according to claim 1, is characterized in that, the pipeline between described dehumidifier and condenser is provided with pressure sensor and automatic decompression device, and described pressure sensor is connected with automatic decompression device.
5. a kind of test-type inert gas circulatory system according to claim 1, it is characterized in that, pipeline between described dehumidifier and preheater is provided with oxygen sensor and automatic inert gas gatherer, and described oxygen sensor is connected with automatic inert gas gatherer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587899.2A CN103900372B (en) | 2012-12-30 | 2012-12-30 | A kind of test-type noble gas blood circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587899.2A CN103900372B (en) | 2012-12-30 | 2012-12-30 | A kind of test-type noble gas blood circulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103900372A true CN103900372A (en) | 2014-07-02 |
| CN103900372B CN103900372B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210587899.2A Active CN103900372B (en) | 2012-12-30 | 2012-12-30 | A kind of test-type noble gas blood circulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509393A (en) * | 2014-09-26 | 2016-04-20 | 宋占涛 | Solvent catcher taking liquid nitrogen as cold source |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010025428A1 (en) * | 2000-03-22 | 2001-10-04 | Cho Yong-Joon | Wafer dryer comprising revolving spray nozzle and method for drying wafers using the same |
| CN201926251U (en) * | 2010-09-26 | 2011-08-10 | 常州力马干燥工程有限公司 | Closed cycle spray-drying and solvent-recovery device |
| CN202263404U (en) * | 2011-09-29 | 2012-06-06 | 无锡市群征干燥设备有限公司 | High-efficiency energy-saving close type circulation spray drying system |
| CN203083326U (en) * | 2012-12-30 | 2013-07-24 | 上海沃迪自动化装备股份有限公司 | Circulating device of inert gases |
-
2012
- 2012-12-30 CN CN201210587899.2A patent/CN103900372B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010025428A1 (en) * | 2000-03-22 | 2001-10-04 | Cho Yong-Joon | Wafer dryer comprising revolving spray nozzle and method for drying wafers using the same |
| CN201926251U (en) * | 2010-09-26 | 2011-08-10 | 常州力马干燥工程有限公司 | Closed cycle spray-drying and solvent-recovery device |
| CN202263404U (en) * | 2011-09-29 | 2012-06-06 | 无锡市群征干燥设备有限公司 | High-efficiency energy-saving close type circulation spray drying system |
| CN203083326U (en) * | 2012-12-30 | 2013-07-24 | 上海沃迪自动化装备股份有限公司 | Circulating device of inert gases |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509393A (en) * | 2014-09-26 | 2016-04-20 | 宋占涛 | Solvent catcher taking liquid nitrogen as cold source |
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| CN103900372B (en) | 2016-08-03 |
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