CN203447786U - Closed circulation spray dryer for superheated steam - Google Patents
Closed circulation spray dryer for superheated steam Download PDFInfo
- Publication number
- CN203447786U CN203447786U CN201320484820.3U CN201320484820U CN203447786U CN 203447786 U CN203447786 U CN 203447786U CN 201320484820 U CN201320484820 U CN 201320484820U CN 203447786 U CN203447786 U CN 203447786U
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- China
- Prior art keywords
- superheated steam
- dedusting mechanism
- drier
- spray dryer
- stage
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- 239000007921 spray Substances 0.000 title claims abstract description 16
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 7
- 238000001694 spray drying Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 13
- 238000010410 dusting Methods 0.000 abstract 7
- 238000011084 recovery Methods 0.000 abstract 4
- 238000003303 reheating Methods 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 description 4
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a closed circulation spray dryer for superheated steam. The closed circulation spray dryer comprises a charging mechanism, a drying mechanism, a first stage dusting mechanism, a second stage dusting mechanism, a circulating fan, a reheating mechanism, a gas filtration mechanism and a waste heat recovery mechanism, wherein the charging mechanism is connected with an atomizer arranged on the top of the drying mechanism through a feeding pump; a discharge port of the drying mechanism is connected with an air inlet of the first stage dusting mechanism, and an air outlet of the first stage dusting mechanism is connected with the air inlet of the second stage dusting mechanism; after superheated steam passes through the second stage dusting mechanism, one part of the superheated steam enters the reheating mechanism to be sent back to the drying mechanism through the gas filtration mechanism, and the other part of the superheated steam enters the waste heat recovery mechanism for heat recovery; the circulating fan is connected between the second stage dusting mechanism and the reheating mechanism. The closed circulation spray dryer for the superheated steam provided by the utility model has the advantages that the problem of a traditional dryer that the waste heat of tail gas can not be well recovered is solved, the recovery of the waste heat of the tail gas is realized, and the heat efficiency is greatly improved.
Description
Technical field
The utility model belongs to spray drying device field, relates to a kind of superheated steam closed cycle spray dryer.
Background technology
Utilize superheated steam as drying medium, the high liquid material convection drying of water content can be become to the powder product that water content is low, can improve largely the thermal efficiency, and the used heat of discharging can be realized recycling from superheated steam.Existing spray dryer exists the thermal efficiency low, complex structure, and drying cost is high and can not well reclaim the problems such as using waste heat from tail gas.
Utility model content
The purpose of this utility model is to provide a kind of superheated steam closed cycle spray dryer that using waste heat from tail gas improves the thermal efficiency that reclaims.
The technical scheme that realizes the utility model object is: a kind of superheated steam closed cycle spray dryer, comprises charging mechanism, drier, first order dedusting mechanism, second level dedusting mechanism, circulating fan, heat engine Gou, gas filtration mechanism, waste heat recovering mechanism again; Described charging mechanism is connected with the atomizer at described drier top by feed pump, the discharging opening of described drier is connected with the air inlet of described first order dedusting mechanism, the air outlet of described first order dedusting mechanism is connected with the air inlet of described second level dedusting mechanism, and described in superheated steam enters by described second level dedusting mechanism rear portion, heat engine structure is sent described drier back to through described gas filtration mechanism again; Another part enters described waste heat recovering mechanism and reclaims heat; At described second level dedusting mechanism and the described hot inter-agency described circulating fan that is connected with again.
Preferred described drier is spray drying tower, and described first order dedusting mechanism is cyclone dust collectors, and described second level dedusting mechanism is sack cleaner, and the described structure of heat engine is again heat exchanger; Described charging mechanism comprises material-compound tank, water storing tank, agitator, and described material-compound tank and the discharging opening of water storing tank and the charging aperture of described feed pump are connected.
Preferred being provided with in the bottom of described drier, first order dedusting mechanism, second level dedusting mechanism can be for the rotary valve of discharging material.
The utlity model has positive effect: (1) by circulating fan and again heat engine structure sealing drying system is carried out to preheating, until temperature of outgoing air surpasses more than 100 ℃; By charging mechanism and atomizer, spray water again, maintain higher temperature of outgoing air to manufacture superheated steam; Superheated steam becomes unsaturated hyperthermia and superheating steam through the continuous heating of heat engine structure again, with spray-dired, continue, pressure is increased to certain setting value gradually, by pressure switch, discharge discharge section superheated steam, the quantity of steam of discharging equals the water evaporation quantity of this drier in theory, and reclaims heat by waste heat recovering mechanism; Can farthest improve the thermal efficiency, realize fast processing material and reclaim using waste heat from tail gas, simple in structure, energy-conserving and environment-protective.
(2) rotary valve of described drier, first order dedusting mechanism, second level dedusting mechanism bottom can classification collection material product, convenient and swift.
(3) refrigerant is exported available heating agent after entering described waste heat recovering mechanism, and condensed water is further recycled.
(4) due to close drying system, being finally replaced as the anaerobic superheated steam atmosphere of inertia, there is not burning and oxidation reaction in this atmosphere, so superheat steam drying is particularly suitable for inflammable and explosive product in the dry system of air.
Accompanying drawing explanation
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is a kind of structural representation of superheated steam closed cycle spray dryer;
The 1st, charging mechanism, the 2nd, drier, the 3rd, first order dedusting mechanism, the 4th, second level dedusting mechanism, the 5th, circulating fan, the 6th, then heat engine structure, the 7th, gas fine filter structure, the 8th, waste heat recovering mechanism, the 9th, feed pump, the 10th, material-compound tank, the 11st, water storing tank, the 12nd, agitator, the 13rd, atomizer, the 14th, rotary valve
The specific embodiment
See Fig. 1, the utlity model has a kind of superheated steam closed cycle spray dryer, comprise charging mechanism 1, drier 2, first order dedusting mechanism 3, second level dedusting mechanism 4, circulating fan 5, heat engine structure 6, gas filtration mechanism 7, waste heat recovering mechanism 8 again; Described charging mechanism 1 is connected with the atomizer 13 at described drier 2 tops by feed pump 9, the discharging opening of described drier 2 is connected with the air inlet of described first order dedusting mechanism 3, the air outlet of described first order dedusting mechanism 3 is connected with the air inlet of described second level dedusting mechanism 4, and described in superheated steam enters by described second level dedusting mechanism 4 rear portions, heat engine structure 6 is sent described drier 2 back to through described gas filtration mechanism 7 again; Another part enters described waste heat recovering mechanism 8 and reclaims heat; Between described second level dedusting mechanism 4 and the described structure of heat engine again 6, be connected with described circulating fan 5.
Further described drier 2 is spray drying towers, and described first order dedusting mechanism 3 is cyclone dust collectors, and described second level dedusting mechanism 4 is sack cleaners, and the described structure of heat engine again 6 is heat exchangers; Described charging mechanism 1 comprises material-compound tank 10, water storing tank 11, agitator 12, and the discharging opening of described material-compound tank 10 and water storing tank 11 is connected with the charging aperture of described feed pump 9.
By circulating fan 5 and again 6 pairs of heat engine structures sealing drying systems carry out preheating, until temperature of outgoing air surpasses more than 100 ℃; By charging mechanism 1 and atomizer 13, spray water again, maintain higher temperature of outgoing air to manufacture superheated steam; Superheated steam becomes unsaturated hyperthermia and superheating steam through the continuous heating of heat engine structure 6 again, with spray-dired, continue, pressure is increased to certain setting value gradually, by pressure switch, discharge discharge section superheated steam, the quantity of steam of discharging equals the water evaporation quantity of this drier in theory, by waste heat recovering mechanism 8, reclaims heat; Can farthest improve the thermal efficiency, realize fast processing material and reclaim using waste heat from tail gas, simple in structure, energy-conserving and environment-protective.
Further in the bottom of described drier 2, first order dedusting mechanism 3, second level dedusting mechanism 4, being provided with can be for the rotary valve 14 of discharging material, can classification collection material product, and convenient and swift.
Refrigerant enters the available heating agent of the rear output of described waste heat recovering mechanism 8, and condensed water is further recycled.
Because close drying system is finally replaced as the anaerobic superheated steam atmosphere of inertia, there is not burning and oxidation reaction in this atmosphere, so superheat steam drying is particularly suitable for inflammable and explosive product in the dry system of air.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a superheated steam closed cycle spray dryer, is characterized in that: comprise charging mechanism (1), drier (2), first order dedusting mechanism (3), second level dedusting mechanism (4), circulating fan (5), heat engine structure (6), gas filtration mechanism (7), waste heat recovering mechanism (8) again; Described charging mechanism (1) is connected with the atomizer (13) at described drier (2) top by feed pump (9), the discharging opening of described drier (2) is connected with the air inlet of described first order dedusting mechanism (3), the air outlet of described first order dedusting mechanism (3) is connected with the air inlet of described second level dedusting mechanism (4), and described in superheated steam enters by described second level dedusting mechanism (4) rear portion, heat engine structure (6) is sent described drier (2) back to through described gas fine filter structure (7) again; Another part enters described waste heat recovering mechanism (8) and reclaims heat; Between described second level dedusting mechanism (4) and the described structure of heat engine again (6), be connected with described circulating fan (5).
2. superheated steam closed cycle spray dryer according to claim 1, it is characterized in that: described drier (2) is spray drying tower, described first order dedusting mechanism (3) is cyclone dust collectors, described second level dedusting mechanism (4) is sack cleaner, and the described structure of heat engine again (6) is heat exchanger; Described charging mechanism (1) comprises material-compound tank (10), water storing tank (11), agitator (12), and the discharging opening of described material-compound tank (10) and water storing tank (11) is connected with the charging aperture of described feed pump (9).
3. superheated steam closed cycle spray dryer according to claim 1 and 2, is characterized in that: in the bottom of described drier (2), first order dedusting mechanism (3), second level dedusting mechanism (4), being provided with can be for the rotary valve (14) of discharging material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484820.3U CN203447786U (en) | 2013-08-08 | 2013-08-08 | Closed circulation spray dryer for superheated steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320484820.3U CN203447786U (en) | 2013-08-08 | 2013-08-08 | Closed circulation spray dryer for superheated steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203447786U true CN203447786U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320484820.3U Expired - Fee Related CN203447786U (en) | 2013-08-08 | 2013-08-08 | Closed circulation spray dryer for superheated steam |
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| Country | Link |
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| CN (1) | CN203447786U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390495A (en) * | 2016-09-25 | 2017-02-15 | 黄卫东 | Air energy spraying and drying equipment |
| CN106512453A (en) * | 2016-10-19 | 2017-03-22 | 天华化工机械及自动化研究设计院有限公司 | Energy-saving and product-quality-increasing method for spray drying of corn steep liquor by nitrogen closed circulation |
| CN107854855A (en) * | 2017-11-14 | 2018-03-30 | 无锡求索机械科技有限公司 | A kind of spray drying system |
| CN108854930A (en) * | 2018-08-22 | 2018-11-23 | 江苏先导干燥科技有限公司 | A kind of novel intelligent spray reaction device and its reaction method |
| CN110893284A (en) * | 2019-12-04 | 2020-03-20 | 荣海生物科技有限公司 | Method for recovering soybean peptide powder fine powder |
-
2013
- 2013-08-08 CN CN201320484820.3U patent/CN203447786U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106390495A (en) * | 2016-09-25 | 2017-02-15 | 黄卫东 | Air energy spraying and drying equipment |
| CN106390495B (en) * | 2016-09-25 | 2018-06-29 | 黄卫东 | A kind of air energy spray drying device |
| CN106512453A (en) * | 2016-10-19 | 2017-03-22 | 天华化工机械及自动化研究设计院有限公司 | Energy-saving and product-quality-increasing method for spray drying of corn steep liquor by nitrogen closed circulation |
| CN106512453B (en) * | 2016-10-19 | 2019-03-19 | 天华化工机械及自动化研究设计院有限公司 | A kind of nitrogen sealing and circulating corn pulp spray drying energy conservation and product method for upgrading |
| CN107854855A (en) * | 2017-11-14 | 2018-03-30 | 无锡求索机械科技有限公司 | A kind of spray drying system |
| CN108854930A (en) * | 2018-08-22 | 2018-11-23 | 江苏先导干燥科技有限公司 | A kind of novel intelligent spray reaction device and its reaction method |
| CN110893284A (en) * | 2019-12-04 | 2020-03-20 | 荣海生物科技有限公司 | Method for recovering soybean peptide powder fine powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213116 Liang Zhuang bridge, Zhenglu Town, Wujin District, Changzhou, Jiangsu, China Patentee after: JIANGSU XIANDAO DRYING TECHNOLOGY Co.,Ltd. Address before: 213116 Liang Zhuang bridge, Zhenglu Town, Wujin District, Changzhou, Jiangsu, China Patentee before: CHANGZHOU XIANDAO DRYING EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 |