CN102363587A - Melt-method tower granulation equipment - Google Patents
Melt-method tower granulation equipment Download PDFInfo
- Publication number
- CN102363587A CN102363587A CN 201110373599 CN201110373599A CN102363587A CN 102363587 A CN102363587 A CN 102363587A CN 201110373599 CN201110373599 CN 201110373599 CN 201110373599 A CN201110373599 A CN 201110373599A CN 102363587 A CN102363587 A CN 102363587A
- Authority
- CN
- China
- Prior art keywords
- tower
- granulation
- king
- equipment
- melting method
- 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.)
- Pending
Links
Images
Abstract
The invention discloses melt-method tower granulation equipment, which comprises a granulation main tower, wherein the top of the granulation main tower is provided with an automatic spray nozzle; a melting kettle is arranged above the granulation main tower; the discharging opening of the melting kettle is connected with the automatic spray nozzle; an air channel is formed on the top of the granulation main tower; in addition, the lower part of the granulation main tower is provided with a plurality of freezing air blowers, and the air outlets of the freezing air blowers stretch into the inside of the granulation main tower and stretch up from the horizontal direction. A tower height of the equipment with the structure is small, the cooling and crystallizing speeds of the equipment are high, the environmental adaptability of the equipment is high, the operating rate of the equipment is high, and the rejection rate can be reduced by the equipment.
Description
Technical field
The present invention relates to a kind of granulating equipment of composite fertilizer, particularly a kind of melting method tower granulation equipment.
Background technology
The melting method technology of composite fertilizer is to utilize the low temperature that exists in the composite fertilizer to dissolve phenomenon altogether; Certain proportion raw material is carried out low temperature dissolve formation watery fusion suspension slip altogether; Shower nozzle through rotation is dispersed into drop with slip subsequently, becomes compound fertilizer granules through crystallisation by cooling again.Wherein, use natural air to become tower granulation technology as refrigerant.
Said tower granulation technology is that the watery fusion slip that suspends is transported to the top of prilling tower; And the automatic nozzle that flows to high speed rotating certainly forms jet and sprays in the void tower and with the natural air that sucks at the bottom of the tower and contact; Jet fragments into drop naturally in the decline process of cooling in tower; The drop crystallization is shrunk to spherical compound fertilizer granules, and is cooled to 50 ℃ with at the bottom of dropping to tower through the air heat exchange.The particle that falls carries out sieve classification after collecting, different-size particles is packed respectively.
This tower granulation technology has certain defective: 1, because the heat exchange of natural air is slower; Thereby need very high tower height so that enough cooling height to be provided, cause the overstand of slip in transport pipe thus, the slip retrogradation; Difficulty of transportation; Even can crystallization stop up, and if for the flowability that promotes slip under comparatively high temps the processing slurry, can inevitably improve the content of biuret again; 2, very high tower height causes the number of times of jet breakup big, is easy to generate more dust and small-particle, increases returning charge; 3, the variation of the temperature Along with season of natural air and weather is different, thereby uses natural air to receive the influence of environment easily as the tower granulation equipment of heat-eliminating medium.
Summary of the invention
The technical problem that the present invention will solve is: provide a kind of tower height low, heat exchange is fast, less melting method tower granulation equipment affected by environment.
In order to achieve the above object, the technical scheme of the present invention's employing is:
Melting method tower granulation equipment comprises the granulation king-tower, and the top of granulation king-tower is provided with automatic nozzle; It is characterized in that: above the granulation king-tower, be provided with molten-bath; The discharge port of said molten-bath is connected with automatic nozzle, also is provided with air passageways at the top of granulation king-tower, in addition; Be provided with several freezing wind gas blowers in the bottom of granulation king-tower, the air outlet of said freezing wind gas blower extends the inside of granulation king-tower and upwards departs from horizontal direction.
Adopt the granulating equipment of said structure; Freezing blower fan can be advertised freezing wind to the top of granulation king-tower, because the Controllable Temperature of freezing wind, thereby the speed of cooling of raising drop that can be not affected by environment; So just, can reduce the cooling height; Thereby the reduction tower height has reduced the number of times of jet breakup, has reduced the growing amount of dust and small-particle; Simultaneously, because the speed of crystallisation by cooling accelerates, the aperture that can increase shower nozzle is to increase the spray amount of jet, and shower nozzle requires also just to reduce to the flowability and the solid content of slip like this, has simplified operation, has reduced investment; In addition, because tower height reduces, the cost of conveying solid substance material reduces, and can use solid materials to carry out watery fusion at the molten-bath of cat head setting, and the control melt temperature is with the content of control biuret.
As a kind of optimal way of technique scheme, be provided with cooler at the discharge port place of granulation king-tower.
Use cooler to carry out the secondary cooling to particle.
In sum, adopt technique scheme, the present invention has reached following beneficial effect with respect to prior art:
The tower height of this equipment is low, and crystallisation by cooling speed is fast, good environmental adaptability, and working rate is high, the rate of can reducing the number of rejects and seconds.
Description of drawings
Do further explanation below in conjunction with the accompanying drawing specific embodiments of the invention, wherein:
Fig. 1 is the structural representation of the preferred implementation of melting method tower granulation equipment of the present invention.
The description of drawings of concrete component:
1: promote pay-off; 2: molten-bath; 3: automatic nozzle; 4: induced draft fan; 5: the granulation king-tower; 6: freezing wind gas blower; 7: transfer roller; 8: lift; 9: cooler; 10: conveying belt; 11: the sizing screen extension set; 12: automatic packing machine.
Embodiment
What Fig. 1 showed is the preferred implementation of melting method granulating equipment of the present invention.As shown in Figure 1; The melting method tower granulation equipment of this embodiment, the molten-bath 2 that comprises granulation king-tower 5 and above granulation king-tower 5, be provided with, the top of granulation king-tower 5 is provided with automatic nozzle 3; The discharge port of said molten-bath 2 is connected with automatic nozzle 3; Top at granulation king-tower 5 also is provided with air passageways 4, is provided with two freezing wind gas blowers 6 in the bottom of granulation king-tower 5, and the air outlet of said freezing wind gas blower 6 extends the inside of granulation king-tower 5 and upwards departs from horizontal direction.
A kind of preferred as this embodiment: said air passageways is an induced draft fan, and auxiliary cooling air flows to the top of granulation king-tower 5.
Another kind as this embodiment is preferred: said freezing wind gas blower is the gas blower that is connected to ammonia refrigerator.
Promote pay-off 1 feeding in molten-bath 2 in addition on granulation king-tower 5 sides; Discharge port at granulation king-tower 5 is provided with cooler 9, also has the screening and packing system at the afterbody of cooler 9; Wherein, saidly be delivered in the cooler 9 through transfer roller 7 and lift 8 from refrigerative particle that the discharge port of granulation king-tower 5 falls, said screening and packing system comprises conveying belt 10, sizing screen extension set 11 and automatic packing machine 12.
Preferred said cooler is the fluidized-bed cooler.
When the equipment of stating in the use carries out melting method tower granulation technology, can adopt following steps:
(1) proportioning raw material;
(2) raw material is delivered to watery fusion in the molten-bath 2 through promoting pay-off 1;
(3) the fused slip is sprayed to granulation king-tower 5 from flowing to automatic nozzle 3 formation jets, contact with-15 ℃ to-10 ℃ the frozen air that freezing wind gas blower 6 blasts;
Carry out the secondary cooling in particle transport to the fluidized-bed cooler 9 that (4) will fall from the discharge port of granulation king-tower 5;
The particle that (5) will cool off sieves and packs.
Adopting the tower height of the equipment of said structure is that 40-60m gets final product, and with respect to the tower height of the tower granulation equipment that uses natural air, has reduced about 40-60m; And use aforesaid device to carry out granulation, the particle diameter of most of finished particle is between 2.5-3.5mm, and particle diameter is even, and total yield rate has reduced scrap rate more than 95%.
Combine accompanying drawing and embodiment that the present invention has been done detailed explanation above; But the present invention is not limited to this; The technician in any present technique field under the prerequisite of aim of the present invention, can make various distortion and modification to it in the ken that is possessed.
Claims (5)
1. melting method tower granulation equipment comprises the granulation king-tower, and the top of granulation king-tower is provided with automatic nozzle; It is characterized in that: above the granulation king-tower, be provided with molten-bath; The discharge port of said molten-bath is connected with automatic nozzle, also is provided with air passageways at the top of granulation king-tower, in addition; Be provided with several freezing wind gas blowers in the bottom of granulation king-tower, the air outlet of said freezing wind gas blower extends the inside of granulation king-tower and upwards departs from horizontal direction.
2. melting method tower granulation equipment according to claim 1 is characterized in that: the discharge port place at the granulation king-tower is provided with cooler.
3. melting method tower granulation equipment according to claim 2 is characterized in that: said cooler is the fluidized-bed cooler.
4. according to each described melting method tower granulation equipment of claim 1-3, it is characterized in that: said air passageways is an induced draft fan.
5. according to each described melting method tower granulation equipment of claim 1-3, it is characterized in that: said freezing wind gas blower is the gas blower that is connected to ammonia refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373599 CN102363587A (en) | 2011-11-22 | 2011-11-22 | Melt-method tower granulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373599 CN102363587A (en) | 2011-11-22 | 2011-11-22 | Melt-method tower granulation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102363587A true CN102363587A (en) | 2012-02-29 |
Family
ID=45690185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110373599 Pending CN102363587A (en) | 2011-11-22 | 2011-11-22 | Melt-method tower granulation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102363587A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692621A (en) * | 2019-01-29 | 2019-04-30 | 青海爱能森新材料科技有限公司 | A kind of solar molten salt melt pelletization device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403423A (en) * | 2002-10-14 | 2003-03-19 | 深圳市芭田生态工程股份有限公司 | Low-tower molten slurry pelletizing method and apparatus to produce granulated multicomponent composite fertilizer |
| CN1475470A (en) * | 2003-06-23 | 2004-02-18 | 深圳市芭田生态工程股份有限公司 | Method of producing granular composite fertilizer using high tower pellatizer and equipment |
| CN101007748A (en) * | 2006-12-05 | 2007-08-01 | 魏贵生 | Full- fusing wind-cooling crystallization granulation method and device for composite fertilizer |
-
2011
- 2011-11-22 CN CN 201110373599 patent/CN102363587A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1403423A (en) * | 2002-10-14 | 2003-03-19 | 深圳市芭田生态工程股份有限公司 | Low-tower molten slurry pelletizing method and apparatus to produce granulated multicomponent composite fertilizer |
| CN1475470A (en) * | 2003-06-23 | 2004-02-18 | 深圳市芭田生态工程股份有限公司 | Method of producing granular composite fertilizer using high tower pellatizer and equipment |
| CN101007748A (en) * | 2006-12-05 | 2007-08-01 | 魏贵生 | Full- fusing wind-cooling crystallization granulation method and device for composite fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109692621A (en) * | 2019-01-29 | 2019-04-30 | 青海爱能森新材料科技有限公司 | A kind of solar molten salt melt pelletization device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5921650B2 (en) | Granulation method | |
| RU2464080C2 (en) | Method and device to fabricate pellets | |
| CN101660012B (en) | Anhydrous granulating technique of metallurgical slag and device thereof | |
| CN101318180B (en) | Hydrocarbon black powder removing method and device | |
| CN208136106U (en) | The floating grain system of intelligence | |
| CN100450979C (en) | Full- fusing wind-cooling crystallization granulation method and device for composite fertilizer | |
| JP3858657B2 (en) | Method and apparatus for producing pulverized slag particles and exhaust gas treatment facility | |
| CN107213845B (en) | Compound fertilizer granulating system and granulating method thereof | |
| CN201346454Y (en) | High-tower melting granulation production device | |
| CN203284213U (en) | Equipment for producing high-nutrient monoammonium phosphate by double-tube reactor technology | |
| CN102363587A (en) | Melt-method tower granulation equipment | |
| CN202369519U (en) | Melt tower type granulation equipment | |
| CN101302123A (en) | Large size particle urea composite rotary drum prilling process and equipment | |
| CN209696836U (en) | A kind of fourth element Tower-type melt granulation compound fertilizer process units | |
| CN103252195A (en) | Fluidized bed granulation system | |
| CN207210288U (en) | Compound fertilizer granulating system | |
| CN214115388U (en) | Fertilizer air atomization whitewashing granulation system | |
| CN1100023C (en) | Large size particle urea composite rotary drum prilling technology and equipment | |
| CN214115390U (en) | Fertilizer air atomization whitewashing granulation system | |
| CN2683240Y (en) | Spray column-fluidized bed pelletizer | |
| CN214115389U (en) | Instant type organic fertilizer apparatus for producing | |
| CN104822448B (en) | Specifically for producing granulation tower and the prilling process of carbamide | |
| CN206897343U (en) | A kind of low tower spray-cooling granulating device | |
| CN112374951A (en) | Air atomization, slurry spraying and granulation method and system for organic fertilizer | |
| CN219382980U (en) | Improve partial shipment system of urea product quality |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120229 |