CN2589060Y - Inner-cooling rotary drum molten gunite pelleting machine - Google Patents
Inner-cooling rotary drum molten gunite pelleting machine Download PDFInfo
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- CN2589060Y CN2589060Y CN 02245379 CN02245379U CN2589060Y CN 2589060 Y CN2589060 Y CN 2589060Y CN 02245379 CN02245379 CN 02245379 CN 02245379 U CN02245379 U CN 02245379U CN 2589060 Y CN2589060 Y CN 2589060Y
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- rotary drum
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- granulating
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Abstract
The utility model relates to an inner-cooling rotary drum molten gunite granulating machine which comprises a rotary drum comprising a granulating segment, a solidifying segment and a grading segment, a shovelling plate arranged on the inner wall of the granulating segment of the rotary drum, a shovelling plate arranged on the inner wall of the solidifying segment of rotary drum, a solidifying material conveying hopper and a molten material spraying pipe which extend into the granulating segment of the rotary drum, a material collecting disc which is arranged at the granulating segment of the rotary drum and is positioned above the molten material spraying pipe to make solidifying materials drop in a curtain-shaped material curtain, a material returning screw belt circularly installed on the inner wall of each segment of the rotary drum, and water-cooling device arranged at the granulating segment and the solidifying segment of the rotary drum. Furthermore, the solidifying segment of the rotary drum can also be provided with a material collecting disc, and the grading segment of the rotary drum is connected with a fluidizing and cooling material discharging device. Due to the adoption of a cooling system combining air cooling with water cooling, the granulating machine can satisfy the cooling conditions required by the production of large-granule solid fertilizer as well as effectively decrease the dust entrainment in tail gas, and reduces air consumption more than 70 percent.
Description
One, technical field
The utility model relates to the Granulation Equipments that a kind of melt spray granulation is produced granular urea, bulky grain ammonium nitrate equigranular solid fertilizer.
Two, background technology
Existing particle diameter adopts the fluidized bed prilling mode to produce greater than the granular urea or the bulky grain ammonium nitrate equigranular solid fertilizer of 2mm diameter more, spray molten slurry with the bed of material of molten slurry atomizer under fluidized state, in the coating of particle surface deposition particle is grown up behind the molten slurry cooling curing.Because the heat that molten urea solution is brought into is mainly removed by cold air, thereby air mass flow is big, dust is carried secretly seriously, the tail gas recycle complexity, and equipment investment is big, energy consumption is high.
Chinese patent ZL99241781.3 discloses a kind of curtain type revolving drum granulator; its design feature is that the granulation section at general revolving drum granulator or rotary drum granulator is provided with and makes solid material be the material collecting disc that heavy curtain shape material curtain falls; granulation section at rotating cylinder; solidify section; the classification section is provided with product returning helical ribbon; thereby; the fertilizer epigranular that this kind comminutor is produced; can realize internal classification; internal return; help improving effect; reduce environmental pollution; but weak point is only to adopt air as cooling medium; it is big to produce bulky grain solid fertilizer required air quantity under this condition, and the more post processing load that causes of the dust of carrying secretly in the tail gas increases.
Three, summary of the invention
The utility model provides a kind of inner-cooled rotary drum melt spray granulation machine at the deficiency that prior art exists, and to reduce the consumption of cooling air, reduces the Dust Capacity in the tail gas, cuts down the consumption of energy, and satisfies the needs that the bulky grain solid fertilizer is produced.
The technical solution of the utility model is: improve on the basis of the disclosed curtain type revolving drum granulator of ZL99241781.3; granulation section and curing section at its rotary drum are provided with water cooling plant; form the cooling system that air cooling combines with water-cooled, with the consumption that reduces air with reduce the flow velocity of air and satisfy the required cooling condition of bulky grain solid fertilizer production.Water cooling plant both can be that the coiled structure also can be the calandria structure, can also be the combination of coiled structure and calandria structure.
Except that above-mentioned basic improvement, also taked following technical measures:
1, granulation section and the curing section at rotary drum all is provided with material collecting disc, and the angle α of material collecting disc and horizontal direction is 30～60 degree.
2, fluidisation cooling discharging device is set, this device is connected with the classification section of rotary drum.Fluidisation cooling discharging device is provided with gas distributor, top by the bottom and is provided with gas vent, a side and is provided with the cooling coil that rotary drum connecting hole, another side be provided with the casing of discharging opening and be installed in lower box and constitutes, cooling coil in the fluidisation cooling discharging device both can be parallel to the axis of rotary drum and install, can install perpendicular to the axis of rotary drum again, its angle of inclination beta with horizontal direction is 0～15 to spend.
The utlity model has following beneficial effect:
1, set up water cooling plant in the granulation section and the curing section of rotary drum, form the cooling system that air cooling combines with water-cooled, can satisfy the bulky grain solid fertilizer like this and produce required cooling condition, the dust that can effectively reduce in the tail gas is carried secretly again, and the air consumption has been reduced more than 70%.
2, the curing section at rotary drum is provided with material collecting disc, has further improved the cooling condition of solid particle fertilizer.
3, the structure of fluidisation cooling discharging device can reduce the fluidized gas consumption, thereby cuts down the consumption of energy.
4, fluidisation cooling discharging device integrates feed box and cooling bed designs, and simplifies the structure, and has reduced manufacturing cost.
5, the angle α of material collecting disc and horizontal direction is 30～60 degree, more helps matching with the angle of repose of solid material, forms best material curtain.
Four, description of drawings
Fig. 1 is first kind of structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 2 is second kind of structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 3 is the third structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 4 is the 4th a kind of structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 5 is the 5th a kind of structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 6 is the 6th a kind of structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 7 is the 7th a kind of structure chart of inner-cooled rotary drum melt spray granulation machine provided by the utility model;
Fig. 8 is a kind of mounting arrangement figure of material collecting disc in rotary drum;
Fig. 9 is the another kind of mounting arrangement figure of material collecting disc in rotary drum;
Figure 10 is material collecting disc another mounting arrangement figure in rotary drum;
Figure 11 is first kind of structure chart of fluidisation cooling discharging device;
Figure 12 is second kind of structure chart of fluidisation cooling discharging device;
Figure 13 is the A-A cutaway view of Figure 11 and the B-B cutaway view of Figure 12;
Figure 14 is the C-C profile of Figure 13;
Figure 15 is the third structure chart of fluidisation cooling discharging device;
Figure 16 is the 4th a kind of structure chart of fluidisation cooling discharging device;
Figure 17 is the D-D cutaway view of Figure 15 and the E-E cutaway view of Figure 16.
Among the figure, 1-solid material transfer hopper, 2-material collecting disc, 3-granulation section flight, 4-product returning helical ribbon, 5-cooling section flight, 6-classfied cone, 7-air outlet, 8-small helical ribbon, 9-shaft screen, 10-segregation weir, 11-light tube section, 12-rotary drum, 13-granulation nozzle, 14-air inlet, 15-melting charge slurry jet pipe, 16-water cooling plant, 17-cooling coil, 18-fluidisation cooling discharging device, 19-fluidization air inlet, 20-gas vent, 21-gas distributor, 22-casing, 23-discharging opening.
Five, the specific embodiment
Embodiment 1:
The structure of the inner-cooled rotary drum melt spray granulation machine in the present embodiment as shown in Figure 1; its member comprises and contains the granulation section; solidify section; the rotary drum 12 of classification section; the flight 5 that is provided with on flight 3 that is provided with on the drum granulating section inwall and the curing section inwall; stretch into the solid material transfer hopper 1 and melting charge slurry jet pipe 15 of drum granulating section; the solid material that makes that is arranged on the drum granulating section and is positioned at melting charge slurry jet pipe top is the material collecting disc 2 that heavy curtain shape material curtain falls, around being installed in product returning helical ribbon 4 and the drum granulating section on each section of rotary drum inwall and solidifying the water cooling plant 16 that section is provided with.The granulation section end of rotary drum 12 has air inlet 14, and classification section end has air outlet 7, and its classification section is made of light tube section 11 and classfied cone 6; Melting charge slurry jet pipe 15 is provided with granulation nozzle 13; The mounting means of material collecting disc 2 as shown in Figure 8, the angle α of itself and horizontal direction is 30 degree; The lead angle of returning charge spiral 4 is 25 degree, and its oral area is provided with segregation weir 10; Water cooling plant 16 is a continuous coil pipe.
Embodiment 2:
Structure such as the Fig. 2, shown in Figure 9 of inner-cooled rotary drum melt spray granulation machine in the present embodiment.Difference from Example 1 is: the classification section of rotary drum 12 is made of light tube section 11, classfied cone 6, small helical ribbon 8 and shaft screen 9, and classfied cone is between light tube section and shaft screen, and an end of small helical ribbon arises from barrel under the shaft screen, and the other end and product returning helical ribbon 4 join; Material collecting disc 2 is 45 degree with the angle α of horizontal direction.
Embodiment 3:
Structure such as the Fig. 3, shown in Figure 10 of inner-cooled rotary drum melt spray granulation machine in the present embodiment.Difference from Example 1 is: the classification section of rotary drum 12 is made of light tube section 11, classfied cone 6, small helical ribbon 8 and shaft screen 9, and classfied cone is between light tube section and shaft screen, and an end of small helical ribbon arises from barrel under the shaft screen, and the other end and product returning helical ribbon 4 join; Granulation section and curing section at rotary drum are equipped with material collecting disc 2, and material collecting disc 2 is 60 degree with the angle α of horizontal direction; Water cooling plant 16 is made up of two sections coil pipes, and one section coil pipe is between two material collecting discs, and another section coil pipe is positioned at a side of the set material collecting disc of granulation section.
Embodiment 4:
Structure such as the Fig. 4, shown in Figure 8 of inner-cooled rotary drum melt spray granulation machine in the present embodiment.Difference from Example 1 is: the classification section of rotary drum 12 is made of light tube section 11, classfied cone 6, small helical ribbon 8 and shaft screen 9, and classfied cone is between light tube section and shaft screen, and an end of small helical ribbon arises from barrel under the shaft screen, and the other end and product returning helical ribbon 4 join; Granulation section and curing section at rotary drum are equipped with material collecting disc 2; Water cooling plant 16 is made up of one section coil pipe and one section comb, and coil pipe is between two material collecting discs, and comb is positioned at a side of the set material collecting disc of granulation section.
Embodiment 5:
The structure of the inner-cooled rotary drum melt spray granulation machine in the present embodiment such as Fig. 5, Fig. 9, Figure 11, Figure 13, shown in Figure 14.Difference from Example 1 is: material collecting disc 2 is 45 degree with the angle α of horizontal direction; Water cooling plant 16 is formed by one section comb; The classification section of rotary drum 12 is connected with fluidisation cooling discharging device 18, this device is provided with gas distributor 21, top by the bottom and is provided with gas vent 20, a side and is provided with the cooling coil 17 that rotary drum connecting hole, another side be provided with the casing 22 of discharging opening 23 and be installed in lower box and constitutes, cooling coil 17 is parallel to the axis of rotary drum to be installed, and its angle of inclination beta with horizontal direction is 0 to spend.
Embodiment 6:
The structure of the inner-cooled rotary drum melt spray granulation machine in the present embodiment such as Fig. 6, Fig. 9, Figure 12, Figure 13, shown in Figure 14.Difference from Example 1 is: the classification section of rotary drum 12 is made of light tube section 11, classfied cone 6, small helical ribbon 8 and shaft screen 9, and classfied cone is between light tube section and shaft screen, and an end of small helical ribbon arises from barrel under the shaft screen, and the other end and product returning helical ribbon 4 join; Material collecting disc 2 is 45 degree with the angle α of horizontal direction; Water cooling plant 16 is formed by one section comb; The classification section of rotary drum 12 is connected with fluidisation cooling discharging device 18, this device is provided with gas distributor 21, top by the bottom and is provided with gas vent 20, a side and is provided with the cooling coil 17 that rotary drum connecting hole, another side be provided with the casing 22 of discharging opening 23 and be installed in lower box and constitutes, cooling coil 17 is parallel to the axis of rotary drum to be installed, and its angle of inclination beta with horizontal direction is 10 to spend.
Embodiment 7:
The structure of the inner-cooled rotary drum melt spray granulation machine in the present embodiment such as Fig. 7, Fig. 9, Figure 15, shown in Figure 17.Difference from Example 1 is: the classification section of rotary drum 12 is made of light tube section 11, classfied cone 6, small helical ribbon 8 and shaft screen 9, and classfied cone is between light tube section and shaft screen, and an end of small helical ribbon arises from barrel under the shaft screen, and the other end and product returning helical ribbon 4 join; Material collecting disc 2 is 45 degree with the angle α of horizontal direction; Water cooling plant 16 is formed by one section comb; The classification section of rotary drum 12 is connected with fluidisation cooling discharging device 18, this device is provided with gas distributor 21, top by the bottom and is provided with gas vent 20, a side and is provided with the cooling coil 17 that rotary drum connecting hole, another side be provided with the casing 22 of discharging opening 23 and be installed in lower box and constitutes, cooling coil 17 is installed perpendicular to the axis of rotary drum, and its angle of inclination beta with horizontal direction is 0 to spend.
Embodiment 8:
The structure of the inner-cooled rotary drum melt spray granulation machine in the present embodiment such as Fig. 7, Fig. 9, Figure 16, shown in Figure 17.Difference from Example 1 is: the classification section of rotary drum 12 is made of light tube section 11, classfied cone 6, small helical ribbon 8 and shaft screen 9, and classfied cone is between light tube section and shaft screen, and an end of small helical ribbon arises from barrel under the shaft screen, and the other end and product returning helical ribbon 4 join; Material collecting disc 2 is 45 degree with the angle α of horizontal direction; Water cooling plant 16 is formed by one section comb; The classification section of rotary drum 12 is connected with fluidisation cooling discharging device 18, this device is provided with gas distributor 21, top by the bottom and is provided with gas vent 20, a side and is provided with the cooling coil 17 that rotary drum connecting hole, another side be provided with the casing 22 of discharging opening 23 and be installed in lower box and constitutes, cooling coil 17 is installed perpendicular to the axis of rotary drum, and its angle of inclination beta with horizontal direction is 5 to spend.
Claims (10)
1, a kind of inner-cooled rotary drum melt spray granulation machine; comprise rotary drum (12), drum granulating section and solidify the flight (3) (5) that is provided with on the section inwall, the solid material transfer hopper (1) that stretches into the drum granulating section and melting charge slurry jet pipe (15), be arranged on the drum granulating section and be positioned at the material collecting disc (2) that makes solid material be heavy curtain shape material curtain to fall of melting charge slurry jet pipe top, around the product returning helical ribbon (4) that is installed on each section of rotary drum inwall, it is characterized in that the granulation section of rotary drum and solidify section being provided with water cooling plant (16).
2, inner-cooled rotary drum melt spray granulation machine according to claim 1 is characterized in that the curing section of rotary drum is provided with material collecting disc (2).
3, inner-cooled rotary drum melt spray granulation machine according to claim 2 is characterized in that the granulation section of rotary drum and the angle α of curing section set material collecting disc (2) and horizontal direction are 30～60 degree.
4,, it is characterized in that water cooling plant (16) is coiled structure and/or calandria structure according to claim 1 or 2 or 3 described inner-cooled rotary drum melt spray granulation machines.
5, according to claim 1 or 2 or 3 described inner-cooled rotary drum melt spray granulation machines, it is characterized in that also being provided with fluidisation cooling discharging device (18), this device is connected with the classification section of rotary drum.
6, inner-cooled rotary drum melt spray granulation machine according to claim 4 is characterized in that also being provided with fluidisation cooling discharging device (18), and this device is connected with the classification section of rotary drum.
7, inner-cooled rotary drum melt spray granulation machine according to claim 5 is characterized in that fluidisation cooling discharging device (18) is provided with gas distributor (21), top by the bottom and is provided with gas vent (20), a side and is provided with the cooling coil (17) that rotary drum connecting hole, another side be provided with the casing (22) of discharging opening (23) and be installed in lower box and constitutes.
8, inner-cooled rotary drum melt spray granulation machine according to claim 6 is characterized in that fluidisation cooling discharging device (18) is provided with gas distributor (21), top by the bottom and is provided with gas vent (20), a side and is provided with the cooling coil (17) that rotary drum connecting hole, another side be provided with the casing (22) of discharging opening (23) and be installed in lower box and constitutes.
9, inner-cooled rotary drum melt spray granulation machine according to claim 8 is characterized in that the axis that cooling coil (17) in the fluidisation cooling discharging device is parallel to rotary drum installs, and its angle of inclination beta with horizontal direction is 0～15 to spend.
10, inner-cooled rotary drum melt spray granulation machine according to claim 8 is characterized in that the cooling coil (17) in the fluidisation cooling discharging device is installed perpendicular to the axis of rotary drum, and its angle of inclination beta with horizontal direction is 0～15 to spend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245379 CN2589060Y (en) | 2002-12-30 | 2002-12-30 | Inner-cooling rotary drum molten gunite pelleting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245379 CN2589060Y (en) | 2002-12-30 | 2002-12-30 | Inner-cooling rotary drum molten gunite pelleting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2589060Y true CN2589060Y (en) | 2003-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02245379 Expired - Fee Related CN2589060Y (en) | 2002-12-30 | 2002-12-30 | Inner-cooling rotary drum molten gunite pelleting machine |
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| Country | Link |
|---|---|
| CN (1) | CN2589060Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298681C (en) * | 2005-08-11 | 2007-02-07 | 山东农业大学 | Continuous production device of slow-release or control-release fertilizer |
| CN102503644A (en) * | 2011-11-03 | 2012-06-20 | 广西得盛生物科技有限公司 | High-nitrogen organic-inorganic compound fertilizer and steam-free compound fertilizer pelleting equipment |
| CN103396242A (en) * | 2013-08-08 | 2013-11-20 | 徐庆海 | Production process and device for organization of inorganic fertilizers |
| CN109012485A (en) * | 2018-10-09 | 2018-12-18 | 无锡天阳干燥设备有限公司 | Cold wind is granulated atomizing disk |
-
2002
- 2002-12-30 CN CN 02245379 patent/CN2589060Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298681C (en) * | 2005-08-11 | 2007-02-07 | 山东农业大学 | Continuous production device of slow-release or control-release fertilizer |
| CN102503644A (en) * | 2011-11-03 | 2012-06-20 | 广西得盛生物科技有限公司 | High-nitrogen organic-inorganic compound fertilizer and steam-free compound fertilizer pelleting equipment |
| CN103396242A (en) * | 2013-08-08 | 2013-11-20 | 徐庆海 | Production process and device for organization of inorganic fertilizers |
| CN109012485A (en) * | 2018-10-09 | 2018-12-18 | 无锡天阳干燥设备有限公司 | Cold wind is granulated atomizing disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031203 Termination date: 20101230 |