CN2607371Y - Urea granule boiling cooler - Google Patents
Urea granule boiling cooler Download PDFInfo
- Publication number
- CN2607371Y CN2607371Y CN 03229978 CN03229978U CN2607371Y CN 2607371 Y CN2607371 Y CN 2607371Y CN 03229978 CN03229978 CN 03229978 CN 03229978 U CN03229978 U CN 03229978U CN 2607371 Y CN2607371 Y CN 2607371Y
- Authority
- CN
- China
- Prior art keywords
- bed
- urea
- fluidized
- cooling device
- boiling cooling
- 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 - Fee Related
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000004202 carbamide Substances 0.000 title claims abstract description 38
- 239000008187 granular material Substances 0.000 title claims abstract description 20
- 238000009835 boiling Methods 0.000 title claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 238000009423 ventilation Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 8
- 238000005469 granulation Methods 0.000 abstract description 3
- 230000003179 granulation Effects 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 235000013877 carbamide Nutrition 0.000 abstract 5
- 238000005422 blasting Methods 0.000 abstract 2
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
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- Fertilizers (AREA)
Abstract
The utility model discloses a carbamide granule boiling and cooling equipment, relating to the technical field of equipment used for boiling and cooling the carbamide granule produced by the granulation tower, which is composed of a fluidized bed (1), an extra bed vibrating screen (2), a dust recycling equipment and an induced ventilation device, the bottom of the fluidized bed (1) is equipped with an air distribution board (6) with a blasting hole (5), the bottom is provided with an air inlet (7) and the top is provided with an air outlet (8), the place on the side wall of the fluidized bed (1) and above the distribution board (6) is further provided with a carbamide material inlet (9) and a carbamide material outlet (10) connecting with the vibrating screen. Wherein, the blasting hole (5) adopts the opening method of inclining 30 degree to 60 degree toward the material outlet (10) direction. Using the equipment can reduce the carbamide granule temperature from 70 centigrade to 80 centigrade down to 40 centigrade to 50 centigrade, and increases the product granule pass rate up to 98 percent, moreover, the utility model is no caking, with appearance quality completely complying with the state standard.
Description
Technical field
The utility model relates to a kind of being used for the refrigerative device that seethes with excitement of formed urea granules after the prilling tower granulation.
Background technology
At present, competition is very fierce between the enterprise of fertilizer industry.With regard to middle-size and small-size urea enterprise, often exist throughput little, be difficult to reach the drawback of scale and benefit.But its original design surplus capacity is generally bigger, so by technological transformation, equipment is carried out local flow improvement and fills up, to improve the throughput of original device, become to realize to a certain extent scale and benefit, improve the effective means of the competitiveness of product in market, and effect has been fairly obvious.But, after throughput enlarges, exist because of prilling tower ventilation cooling power deficiency, and the incompatible problem of expanding production and needing.Its direct result is to cause finished urea to go out temperature height behind the tower, defectives such as dust is many, granularity is uneven, caking, has a strong impact on the outward appearance and the quality of product, is difficult to reach the relevant quality standard of country.
Summary of the invention
Technical problem to be solved in the utility model provides that a kind of can to remedy prilling tower ventilation cooling power insufficient to the refrigerative urea granules boiling cooling device that seethes with excitement of formed urea granules after the prilling tower granulation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this kind urea granules boiling cooling device, it is characterized in that it comprises fluidized-bed, bed outer vibratory screening apparatus, device for recovering powder and draws ventilation installation, the bottom of described fluidized-bed is equipped with the gas distribution grid in tape drum wind hole, the bottom is provided with described draws the blast inlet that ventilation installation are connected, the top is provided with the air outlet that is connected with described device for recovering powder, and the position that is positioned at the grid distributor top on the sidewall of fluidized-bed also is provided with urea opening for feed and the urea discharge port that is connected with described vibratory screening apparatus.
Take towards discharge port direction inclination perforate mode in described air blast hole, and the inclination angle is 30 °～60 °.The air blast hole is obliquely installed and can makes it not only have ventilation function but also a tool conveying function.
The inclination angle of the best in described air blast hole is 45 °.
Described urea opening for feed is corresponding with the two ends of grid distributor respectively with discharge port.
The position of described opening for feed is higher than the position of discharge port.
Described fluidized-bed is seen along the Flow of Goods and Materials direction, is doline wide at the top and narrow at the bottom, and described grid distributor is installed in the slot portion of its underpart.
Compared with prior art, advantage of the present utility model is: after using this device, can make the temperature of urea granules be reduced to 40～50 ℃ from 70～80 ℃, product granularity is even, and granularity qualification rate 〉=98% does not lump, reach state quality standard fully, dust has also obtained recycling.
Description of drawings
Fig. 1 is a device schema of the present utility model;
Fig. 2 is the front elevational schematic of fluidized-bed among Fig. 1;
Fig. 3 is the schematic side view of Fig. 2;
Fig. 4 is the local structure enlarged diagram of gas distribution grid in the fluidized-bed.
Embodiment
Embodiment describes in further detail utility model below in conjunction with accompanying drawing.
As Fig. 1～illustrated in Figure 4, be a preferred embodiment of the present utility model.As shown in Figure 1, the described urea granules boiling cooling device of present embodiment comprises fluidized-bed 1, bed outer vibratory screening apparatus 2, device for recovering powder and draws the ventilation installation (not shown), and device for recovering powder is made of two groups of cyclonic separators that are set up in parallel 3 and blower fan 4.
As Fig. 2, illustrated in Figure 3, fluidized-bed 1 is seen along the Flow of Goods and Materials direction, be doline wide at the top and narrow at the bottom, be provided with the gas distribution grid 6 in a tape drum wind hole 5 (referring to Fig. 4) in its underpart slot portion, this grid distributor 6 becomes two portions up and down with separated by spaces in the fluidized-bed 1.The bottom of fluidized-bed 1 is provided with a plurality of and described blast inlet 7 that ventilation installation are connected that draws side by side along the Flow of Goods and Materials direction, the top is provided with the air outlet 8 that a plurality of and described device for recovering powder is connected, be positioned at the position of grid distributor 6 tops on the sidewall of fluidized-bed 1 and also be provided with urea opening for feed 9 and the urea discharge port 10 that is connected with described vibratory screening apparatus 2 corresponding to grid distributor 6 two ends, and the position of opening for feed 9 is higher than the position of discharge port 10, in addition, also be provided with vision slit 13 on the sidewall of fluidized-bed 1.Again as seen referring to Fig. 4, air blast hole 5 on the gas distribution grid 6 is apertures that dense distribution is obliquely installed on grid distributor 6 and towards discharge port 10 directions, its inclination angle is 45 °, and air blast hole 5 is obliquely installed and can makes it not only have a ventilation function but also have the function that urea granules is carried toward discharge port 10 directions.
Below in conjunction with Fig. 1 its working process is described.After urea comes out from prilling tower, promptly send fluidized-bed 1 to through the opening for feed 9 of fluidized-bed 1, in fluidized-bed 1, after the boiling cooling, flow out, send vibratory screening apparatus 2 to through feeder 12 again from discharge port 10 by charging machine 11, sieve, the qualified product after the screening promptly carry out metering packing; Meanwhile, underproof dust urea entrained from the urea that prilling tower comes out is then taken out of by air from the air outlet 8 at fluidized-bed 1 top, after converging, divide two-way to enter the cyclonic separator 3 of device for recovering powder separately, after cyclonic separation, the urea powder is from the output of cyclonic separator 3 bottoms, and tail gas then flows out again through blower fan 4 emptying from cyclonic separator 3 tops.Certainly, if move under normal design throughput, then the urea that comes out from prilling tower can directly enter vibratory screening apparatus 2 through a bypass and sieve.
Its effect is tangible after the present embodiment device is handled, can make the temperature of urea granules be reduced to 40～50 ℃ on the one hand from 70～80 ℃, it seethes with excitement in fluidized-bed 1 when flowing on the other hand, aggravated to reach between the particle collision between particle and dust even dust and the dust, because the higher urea of temperature has certain viscosity, thereby may take place in this case to adhere to or collapse from etc. phenomenon, thereby improved the homogeneity of granularity, can make granularity qualification rate 〉=98%, and do not lump, make the finished urea visual appearance reach state quality standard fully, simultaneously, dust has also obtained recycling.
Claims (6)
1, a kind of urea granules boiling cooling device, it is characterized in that it comprises fluidized-bed (1), bed outer vibratory screening apparatus (2), device for recovering powder and draws ventilation installation, the bottom of described fluidized-bed (1) is equipped with the gas distribution grid (6) in tape drum wind hole (5), the bottom is provided with described draws the blast inlet (7) that ventilation installation are connected, the top is provided with the air outlet (8) that is connected with described device for recovering powder, and the position that is positioned at grid distributor (6) top on the sidewall of fluidized-bed (1) also is provided with urea opening for feed (9) and the urea discharge port (10) that is connected with described vibratory screening apparatus (2).
2, urea granules boiling cooling device as claimed in claim 1 is characterized in that described air blast hole (5) takes towards discharge port direction inclination perforate mode, and the inclination angle is 30 °～60 °.
3, urea granules boiling cooling device as claimed in claim 2, the inclination angle that it is characterized in that described air blast hole (5) is 45 °.
4, the urea granules boiling cooling device described in arbitrary claim in the claim 1 to 3 is characterized in that described urea opening for feed (9) is corresponding with the two ends of grid distributor (6) respectively with discharge port (10).
5, the urea granules boiling cooling device described in arbitrary claim in the claim 1 to 3 is characterized in that the position of described opening for feed (9) is higher than the position of discharge port (10).
6, the urea granules boiling cooling device described in arbitrary claim in the claim 1 to 3, it is characterized in that described fluidized-bed (1) sees along the Flow of Goods and Materials direction, be doline wide at the top and narrow at the bottom, described grid distributor (6) is installed in the slot portion of its underpart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229978 CN2607371Y (en) | 2003-04-01 | 2003-04-01 | Urea granule boiling cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229978 CN2607371Y (en) | 2003-04-01 | 2003-04-01 | Urea granule boiling cooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2607371Y true CN2607371Y (en) | 2004-03-24 |
Family
ID=34165134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229978 Expired - Fee Related CN2607371Y (en) | 2003-04-01 | 2003-04-01 | Urea granule boiling cooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2607371Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402534B (en) * | 2008-09-26 | 2010-12-15 | 河南金谷干燥工程技术有限公司 | Fluidization discharge vibration cooling apparatus for high-column granulation of chemical fertilizer |
| CN101302125B (en) * | 2008-06-27 | 2011-03-16 | 成都市新都化工股份有限公司 | Cooling method for compound fertilizer |
| CN102674905A (en) * | 2012-05-14 | 2012-09-19 | 山西省霍州市化学工业有限责任公司 | Method and device for recycling dust in urea granules |
| CN103408331A (en) * | 2013-07-08 | 2013-11-27 | 河南晋开化工投资控股集团有限责任公司 | Dust-free urea cooling method |
| CN104807346A (en) * | 2015-04-30 | 2015-07-29 | 云南创森环保科技有限公司 | Powdery material cooling system |
-
2003
- 2003-04-01 CN CN 03229978 patent/CN2607371Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302125B (en) * | 2008-06-27 | 2011-03-16 | 成都市新都化工股份有限公司 | Cooling method for compound fertilizer |
| CN101402534B (en) * | 2008-09-26 | 2010-12-15 | 河南金谷干燥工程技术有限公司 | Fluidization discharge vibration cooling apparatus for high-column granulation of chemical fertilizer |
| CN102674905A (en) * | 2012-05-14 | 2012-09-19 | 山西省霍州市化学工业有限责任公司 | Method and device for recycling dust in urea granules |
| CN103408331A (en) * | 2013-07-08 | 2013-11-27 | 河南晋开化工投资控股集团有限责任公司 | Dust-free urea cooling method |
| CN104807346A (en) * | 2015-04-30 | 2015-07-29 | 云南创森环保科技有限公司 | Powdery material cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090206 Address after: A, block 12D, 168 Zhangs Road, Zhejiang, Ningbo Province, 315040 Patentee after: Ningbo Yuandong Industry Technology Co., Ltd. Address before: A 23, block -A, exhibition center, 100 foot Road, Jiangdong District, Zhejiang, Ningbo, 315040 Patentee before: Xiang Wenyu |
|
| ASS | Succession or assignment of patent right |
Owner name: NINGBO JINYUANDONG INDUSTRY SCIENCE CO., LTD. Free format text: FORMER OWNER: XIANG WENYU Effective date: 20090206 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040324 Termination date: 20120401 |