CN203523695U - Energy-saving spraying unit for mixed flow drying - Google Patents
Energy-saving spraying unit for mixed flow drying Download PDFInfo
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- CN203523695U CN203523695U CN201320550144.5U CN201320550144U CN203523695U CN 203523695 U CN203523695 U CN 203523695U CN 201320550144 U CN201320550144 U CN 201320550144U CN 203523695 U CN203523695 U CN 203523695U
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- tower
- cyclone separator
- fluid bed
- powder
- energy
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Abstract
The utility model relates to an energy-saving spraying unit for mixed flow drying. Concurrent-flow drying is adopted for a drying mode of a lower exhaust tower, an annular air curtain cannot be formed in the lower exhaust tower, powder is hung on the tower wall, the tower is required to be brushed everyday, material loss is increased, a great amount of hot water is wasted when the tower is brushed, not only is energy consumed, but also the discharge capacity is increased. The energy-saving spraying unit comprises an exhaust fan (1), wherein the exhaust fan is connected with a cyclone separator (2) by a pipeline, the cyclone separator is connected with a fluidized bed (7) by an upper exhaust tower (4), the fluidized bed is provided with a vibratory powder unloading device (5) in a connecting manner, the vibratory powder unloading device is connected with the cyclone separator, the upper exhaust tower is connected with a hot air box (9), and the hot air box (9) is connected with a spray gun. The energy-saving spraying unit is used for food processing and dairy product production.
Description
technical field:
the utility model relates to a kind of mixed flow drying energy-saving spraying machine group.
background technology:
the upper fan-drying tower that is applied to food processing and Dairy Production is mixed flow drying, the flow process of droplet is to be following current the constant rate of drying phase, the reduction of speed phase is mixed flow air draft, wind arrives tower bottom and forms 180 ° of large revolutions, make material and air separation in being dried, wind forms large annular air curtain at tower wall in moving upward rapidly, controls powder wall cling phenomenon.And the drying mode of lower exhaust chimney is to only have concurrent drying, in tower, can not form annular air curtain, tower wall hanging powder, all will brush tower every day.Brush tower increases loss of material wastes again a large amount of hot water, and not only having consumed the energy also increases blowdown flow rate.
utility model content:
the purpose of this utility model is to provide a kind of mixed flow drying energy-saving spraying machine group.
above-mentioned object realizes by following technical scheme:
a kind of mixed flow drying energy-saving spraying machine group, its composition comprises: exhaust blower, described exhaust blower connects cyclone separator by pipeline, described cyclone separator is connected to fluid bed through upper exhaust chimney, described fluid bed load connects vibration powder-unloading device, described vibration powder-unloading device connects described cyclone separator, and described upper exhaust chimney is connected with hot bellows, and described hot bellows connects spray gun.
described mixed flow drying energy-saving spraying machine group, described cyclone separator is connected by exhaust duct with described upper exhaust chimney, described upper exhaust chimney and described fluid bed are flexible coupling, described fluid bed is connected by pipeline with the rotor valve of described vibration powder-unloading device, described fluid bed is connected by pipeline with described exhaust duct, described vibration powder-unloading device and described cyclone separator are flexible coupling, and described hot bellows is connected with heater, and described heater is connected with air inlet fan.
described mixed flow drying energy-saving spraying machine group, described fluid bed and dressing sieve are flexible coupling, and high-pressure pump is connected by high-voltage tube with described spray gun, and described high-pressure pump is connected with dense milk preheater, and described dense milk preheater is connected by product pump with dense milk container.
beneficial effect:
1. the return air chamber of upper exhaust chimney of the present utility model, on top, is the high negative pressure district of tower, in evaporation process, the evaporation of high negative pressure district has just reduced evaporating temperature, and temperature reduces has just saved steam, has saved the energy, with the comparison of lower fan-drying tower effect, can steam saving 8～10%.Specification equipment of the same race, upper exhaust chimney reduces by 5～7m than lower exhaust chimney building height, thereby saves construction investment; The drying mode of pressure-type upper air-exhaust drying tower is mixed flow drying, and the flow process of droplet is to be following current the constant rate of drying phase, and the reduction of speed phase is mixed flow air draft, and wind forms 180 degree while arriving bottom and turns round greatly, makes the milk powder in being dried carry out separated with air.
upper exhaust chimney of the present utility model, in dry run, has increased cone and has moved back saturation device, has solved moisture content of material problem; Housing structure is simple, easily manufactured: because the cylinder of tower is connected with cone, rounding off, does not have dead angle, easy to clean.
the utility model reduces blowdown flow rate and saves the energy: when upper exhaust chimney is dry, in tower, formed annular air curtain, controlled tower wall hanging powder phenomenon, extended the brush tower time, more than ten day brush tower once, so just reduce blowdown flow rate, also saved the energy, reduced workman's labour intensity simultaneously.
the utility model improves the quality of powder, and because the dry section of powder is high negative pressure district, low temperature drying, destroys various vitamins in powder less, and albumen does not have sex change yet, so the color and luster of powder, granularity, brew are all very good.
upper exhaust chimney diameter of the present utility model is micro-large, king-post body straight section is short, milk powder forms with the wind 180 degree and turns round greatly in tower, make particle separated cone bottom of dropping in revolution, micro mist enters with the wind cyclone separator and carries out the separation of secondary powder wind, and this tower tower wall is not hung powder, uniform particles, powder is short at dwell time in the tower, and milk powder color and luster is good.
the drying means of this mixed flow drying energy-saving spraying machine group, its method comprises the steps: the raw material after concentrated to send into dense milk container, the material of dense milk container utilizes product pump that dense milk is sent into high-pressure pump by dense milk preheater, under the effect of high-pressure pump, through high-voltage tube, by tower top, enter gun body, evaporability according to tower is designed with single spraying rifle, three spray guns, four spray guns, is 60-80 degree atomizing angle sprays in tower with vaporific through shower nozzle.By blower fan, by air heater, send into powder tower hot bellows through filtered air, the hot-air of distributed uniform with spray into vaporific material in tower and carry out sufficient heat exchange, after heat exchange, moisture evaporation is turned round greatly through 180 degree, at top, discharges.Material powdering particle falls into cone bottom.By cone mouth, enter fluid bed, through boiling heating, cooling particle milk powder, by concussion, sieve and enter the unlap of powder car.Dried micro mist is with humid air, through two or four exhaust outlets of tower top edge, enter two or four cyclone separator and carry out fine powder separation, fine powder after separation passes through the defeated powder valve of rotor through vibration powder-unloading device, send into tower top four spray gun centers, gather again to increase particle and the fine powder amount that has reduced product with the adhering object of atomisation.Also can send into fluid bed and mix powder.Humid air after separation drains into outdoor through blower fan.
accompanying drawing explanation:
accompanying drawing 1 is the structural representation that facade of the present utility model is arranged.
accompanying drawing 2 is structural representations of horizontal layout of the present utility model.
the specific embodiment:
embodiment 1:
a kind of mixed flow drying energy-saving spraying machine group, its composition comprises: exhaust blower 1, described exhaust blower connects cyclone separator 2 by pipeline, described cyclone separator is connected to fluid bed 7 through upper exhaust chimney 4, described fluid bed load connects vibration powder-unloading device 5, described vibration powder-unloading device connects described cyclone separator, and described upper exhaust chimney is connected with hot bellows 9, and described hot bellows connects spray gun.
embodiment 2:
a kind of mixed flow drying energy-saving spraying machine group, its composition comprises: exhaust blower 1, described exhaust blower is connected by pipeline with cyclone separator 2, described cyclone separator is connected by exhaust duct 3 with described upper exhaust chimney, described upper exhaust chimney and fluid bed 7 are flexible coupling, described fluid bed is connected by pipeline with the rotor valve 6 of vibration powder-unloading device 5, described fluid bed is connected by pipeline with described exhaust duct, described vibration powder-unloading device and described cyclone separator are flexible coupling, described upper exhaust chimney is connected with hot bellows 9, described hot bellows is connected with heater 10, described heater is connected with air inlet fan 11, in described hot bellows, spray gun is installed.
embodiment: 3:
according to the mixed flow drying energy-saving spraying machine group described in embodiment 1, described fluid bed and dressing sieve 8 are flexible coupling, high-pressure pump is connected by high-voltage tube with described spray gun, and described high-pressure pump is connected with dense milk preheater, and described dense milk preheater is connected by product pump with dense milk container.
embodiment 4:
described mixed flow drying energy-saving spraying machine group, its operation sequence is as follows:
(1) spray drying tower:
whether the hand hole, the manhole that 1, check pyller and wind pipeline close (must close tight) tight.
, check that cyclone separator bottom is respectively flexible coupling and collect powder bucket whether airtight (necessary airtight).
, check that whether each blower fan normal, whether bearing has oil.
, open powder tower heater steam valve, and the condensed water of draining, closes by-passing valve, opens steam trap both sides by-pass valve control.
, first open cone Windscreen Fan (table temperature 75 ℃).
, open air inlet fan, Roots blower, the defeated powder valve of rotor first respectively, when temperature reaches 90--100 ℃ in tower, open successively exhaust blower, each section of air inlet fan of fluid bed.When temperature rises to 145--155 ℃ in tower, open dense milk pump and high-pressure pump, high-pressure pump pressure is 9.0-12.0Mpa approximately, rising along with temperature in tower and temperature of outgoing air, the pressure of high-pressure pump strengthens thereupon, has both reached normal operating conditions when approximately 82-86 ℃ of approximately 80-83 ℃ of temperature in tower, temperature of outgoing air.According to the concentration of dense milk, high-pressure pump pressure, nozzle diameter capable of regulating milk powder particle.
special suggestion: scrub and dry tower temperature after tower and be 140 ℃ and can start to dust when above.Sweep after tower (powder of having a surplus in tower) and dry when tower temperature should be 80--85 ℃ and start to dust, first drive two spray guns, after temperature of outgoing air rises, spray gun is opened entirely.At the bottom of in tower, negative pressure remains on 50--200 pa(king-post, pyller has micro-negative pressure).
, open compressed air valve, start pneumatic shake tower.
(2) four sections of fluid beds of secondary:
prompting: when powder tower dries tower, all power of fluidized system will all start.
, fluid bed vibration be on the point of rate 35-42 hertz (can be on the point of rate according to the adjustment of powder amount, be advisable for 36 hertz under normal circumstances).
, one section of fan delivery will all open, EAT 80-90 ℃ (instrument temperature).
, two sections of fan deliveries will open 60% left and right, EAT 60-70 ℃ (instrument temperature).
, three sections of fan deliveries will open 60% left and right, EAT 40-50 ℃ (instrument temperature).
, four sections of fan deliveries will open 60% left and right, EAT 20-30 ℃ (instrument temperature).
, now to adjust the air draft air door of fluid bed, to keep bisque in fluid bed to be advisable at 50-70mm, and keep a micro-negative pressure in bed, but be less than negative pressure in tower, remain on operation under negative pressure.
(3) one-level is stage fluidized bed:
prompting: when powder tower dries tower, all power of fluidized system will all start.
, fluid bed vibration be on the point of rate 35-42 hertz (can be on the point of rate according to the adjustment of powder amount, be advisable for 36 hertz under normal circumstances).
, one section of fan delivery will all open, EAT 60-80 ℃ (instrument temperature).Can adjust according to different products and powder amount.
, two sections of fan deliveries will open 60% left and right, EAT 50-60 ℃ (instrument temperature).
, three sections of fan deliveries will open 60% left and right, EAT 15-30 ℃ (instrument temperature).
(4) produce and finish parking procedure:
1, close dense milk pump, close high-pressure pump, close the main cap relief valve of powder tower heater.
, propose spray gun and put into rinse bath.
, the defeated powder valve of rotor discharge nozzle access fluid bed charging aperture place.
, after 15 minutes, open pyller, close air inlet fan.
, after 5 minutes, close exhaust blower.
, close shake tower.
, close Roots blower, the defeated powder valve of rotor.
, to close fluidized system institute dynamic.
, close all steams of fluidized system, frozen water valve.
, carry out in tower, the cleaning of wind pipeline, cyclone separator.
, cleaning fluid bed, the circle sieve that shakes.
Claims (3)
1. one kind
mixed flow drying energy-saving spraying machine groupits composition comprises: exhaust blower, it is characterized in that: described exhaust blower connects cyclone separator by pipeline, described cyclone separator is connected to fluid bed through upper exhaust chimney, described fluid bed load connects vibration powder-unloading device, described vibration powder-unloading device connects described cyclone separator, and described upper exhaust chimney is connected with hot bellows, and described hot bellows connects spray gun.
2. according to described in claim 1
mixed flow drying energy-saving spraying machine groupit is characterized in that: described cyclone separator is connected by exhaust duct with described upper exhaust chimney, described upper exhaust chimney and described fluid bed are flexible coupling, described fluid bed is connected by pipeline with the rotor valve of described vibration powder-unloading device, described fluid bed is connected by pipeline with described exhaust duct, described vibration powder-unloading device and described cyclone separator are flexible coupling, and described hot bellows is connected with heater, and described heater is connected with air inlet fan.
3. according to described in claim 1 or 2
mixed flow drying energy-saving spraying machine group, it is characterized in that: described fluid bed and dressing sieve are flexible coupling, high-pressure pump is connected by high-voltage tube with described spray gun, and described high-pressure pump is connected with dense milk preheater, and described dense milk preheater is connected by product pump with dense milk container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550144.5U CN203523695U (en) | 2013-09-05 | 2013-09-05 | Energy-saving spraying unit for mixed flow drying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550144.5U CN203523695U (en) | 2013-09-05 | 2013-09-05 | Energy-saving spraying unit for mixed flow drying |
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| Publication Number | Publication Date |
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| CN203523695U true CN203523695U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320550144.5U Expired - Lifetime CN203523695U (en) | 2013-09-05 | 2013-09-05 | Energy-saving spraying unit for mixed flow drying |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109400427A (en) * | 2018-12-26 | 2019-03-01 | 湖北航天化学技术研究所 | A kind of granulating process of high burn rate gas-forming agent |
-
2013
- 2013-09-05 CN CN201320550144.5U patent/CN203523695U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109400427A (en) * | 2018-12-26 | 2019-03-01 | 湖北航天化学技术研究所 | A kind of granulating process of high burn rate gas-forming agent |
| CN109400427B (en) * | 2018-12-26 | 2021-02-02 | 湖北航天化学技术研究所 | Granulation process of gas generating agent with high burning speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Dongcheng Inventor before: Huang Dongcheng Inventor before: Song Shengwen Inventor before: Li Shujiang Inventor before: Huang Zhiguo Inventor before: Song Shengtao Inventor before: Zhou Guanghai Inventor before: Tao Jiasheng Inventor before: Zhang Changxu Inventor before: Song Shenghua |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190621 Address after: 150001 Area 3 302-2, Wisdom Valley Park, 33 Hanan Twelfth Avenue, Pingfang District, Harbin City, Heilongjiang Province Patentee after: Harbin Dingzhi Blue Technology Co.,Ltd. Address before: 150069 No. 8 Sanjiang Road, Harbin Development Zone, Heilongjiang Province Patentee before: HEILONGJIANG DASANYUAN DAIRY MACHINERY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230817 Address after: Haping Road Development Zone in Harbin City, Heilongjiang province 150069 District Sanjiang Road No. 8 Patentee after: HEILONGJIANG DASANYUAN DAIRY MACHINERY Co.,Ltd. Address before: 150001 Area 3 302-2, Wisdom Valley Park, 33 Hanan Twelfth Avenue, Pingfang District, Harbin City, Heilongjiang Province Patentee before: Harbin Dingzhi Blue Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |