CN208786343U - A kind of melt overflow slot and high-tower granulation device - Google Patents
A kind of melt overflow slot and high-tower granulation device Download PDFInfo
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- CN208786343U CN208786343U CN201821318490.XU CN201821318490U CN208786343U CN 208786343 U CN208786343 U CN 208786343U CN 201821318490 U CN201821318490 U CN 201821318490U CN 208786343 U CN208786343 U CN 208786343U
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Abstract
The utility model discloses a kind of melt overflow slot and high-tower granulation devices, belong to granulating technique field.Melt overflow slot includes the overflow port (4) of groove body (1) and groove body (1) upper portion side wall；Groove body (1) inner wall is equipped with and only send the slurry of groove body (1) bottom to the overflow port baffle (8) of overflow port (4).The high-tower granulation device using the melt overflow slot is also disclosed simultaneously.The patent has the advantages that flow out after (1) material is all mixed from bottom, not only can guarantee that material is uniformly mixed, also can guarantee complete melting, and then keep granulation outcome good, particle is mellow and full；(2) material is added by top, and material from top to bottom go out again by overflow, material will not in groove body long-time heating, reduce the generation of biuret；(3) bulk materials on the upside of only can be just sent into overflow port after dispersion is sunk to the bottom, and blocking overflow port is avoided.
Description
Technical field
The utility model belongs to granulating technique field, in particular to a kind of melt overflow slot and high-tower granulation device.
Background technique
The production of compound fertilizer includes the processes such as granulation, dry, cooling, screening, coating and pack, can be adopted in the prior art
It is granulated with modes such as high tower, roller and disc types.Wherein, the process of high-tower granulation are as follows: after solid urea or ammonium nitrate heating melting at
It, can also be directly using the molten liquid after being concentrated by evaporation for molten liquid.Corresponding phosphate fertilizer, potash fertilizer, filler are added in molten liquid
And mixed slurry is made in additive etc..Mixed slurry is sent into high tower granulator and carries out sprinkling granulation, is sprayed and is entered by pelletizer
The granulation material of granulation tower interacts with the air resistance risen from tower bottom during declining from high tower, carries out heat with it
Tower bottom is dropped to after exchange, is fallen into the granule materials of tower bottom, is obtained granular complex fertilizer after screened surface treatment.
Melt overflow slot is used in fusing urea or ammonium nitrate and other raw materials Shi Junhui.Referring to Fig. 1, overflow for common melting
Chute comprising groove body 1, the overflow port 4 in 1 upper portion side wall of groove body, the blender in feed inlet 3 and groove body 1 at the top of groove body 1
2 and heating coil 5 etc..Blender 2 is stirred the material in groove body 1, heating coil 5 be used for the material in groove body 1 into
Row heating.
Applicant has found following problem when preparing fertilizer using aforementioned melt slot:
(1) material on upper layer, which does not stir evenly, just flows out from overflow port；
(2) bulk materials usually swim in slurry upper layer, are easy blocking overflow port, it may occur however that slot phenomenon of overflowing；
(3) slurry that overflow goes out contains the material for not being completely dissolved or not melting completely, influences product quality；
(4) material of lower layer heats for a long time, if urea can generate biuret, causes product biuret exceeded.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of melt overflow slot and high-tower granulation device, and melting is overflow
Chute is made to be uniformly mixed and the slurry overflow melted completely is gone out, ensure that granulation outcome by the way of the overflow of bottom；It is described
Technical solution is as follows:
On the one hand, the utility model embodiment provides a kind of melt overflow slot, including the blender in groove body 1, groove body 1
2 with the overflow port 4 of heating coil 5,1 upper portion side wall of feed inlet 3 and groove body at the top of groove body 1；On 1 inner wall of groove body and it is located at
It is equipped on the inside of overflow port 4 and only send the slurry of 1 bottom of groove body to the overflow port baffle 8 of overflow port 4.
Wherein, the overflow port baffle 8 in the utility model embodiment is set on 1 inner wall of groove body along the vertical direction, will be overflow
Head piece 4 is separated with the slurry in groove body 1, and the upper end is open with lower end, and the opening of lower end is located at 1 bottom of groove body and and overflow
There is the channel of guidance slurry, the opening of the upper end is located at 4 top 15-30cm of overflow port between mouth 4.
Specifically, the overflow port baffle 8 in the utility model embodiment is the rectangular channel being welded on 1 inner wall of groove body；Institute
It states rectangular channel to be arranged along the vertical direction, lid is located on overflow port 4, and lower end is located at 1 bottom of groove body, and the upper end is located at overflow port
4 tops.
Further, the top of the groove body 1 in the utility model embodiment is respectively equipped with lower part is connected to heating coil 5
Coil pipe steam inlet 6 and coil condensation water out 7.
Wherein, two layers of stirring blade is from top to bottom equipped on the agitating shaft of the blender 2 in the utility model embodiment.
Preferably, insulation jacket 11,11 top of insulation jacket are arranged with outside the groove body 1 in the utility model embodiment
It is respectively equipped with jacket steam entrance 9 and collet condensation-water drain 10 with lower part, the jacket steam entrance 9 is located at overflow port 4
Top, the coil pipe steam inlet 6 are located at the lower section of overflow port 4.
Further, 1 bottom of groove body in the utility model embodiment is additionally provided with exhaust-valve.
On the other hand, the utility model embodiment provides a kind of high-tower granulation device, including is sequentially connected by pipeline
Urea molten tank, at least one raw material fusion tank, abrasive structure and pelletizing structures；The urea molten tank and raw material fusion tank
It is all made of melt overflow slot above-mentioned.
Wherein, the quantity of the raw material fusion tank in the utility model embodiment is two, respectively for adding and melting
The level-one raw material fusion tank of potash fertilizer and filler and secondary raw materials fusion tank for adding and melting phosphorus ammonium；The urea molten tank
Overflow port connect with the feed inlet of level-one raw material fusion tank by pipeline, the overflow port of the level-one raw material fusion tank passes through pipe
Road is connect with the feed inlet of secondary raw materials fusion tank, and the overflow port of the secondary raw materials fusion tank is connected by pipeline and abrasive structure
It connects, the top of the level-one raw material fusion tank and secondary raw materials fusion tank is additionally provided with the material inlet for adding powder raw material.
Technical solution provided by the embodiment of the utility model has the benefit that the utility model embodiment provides
A kind of melt overflow slot and high-tower granulation device, have the advantages that
(1) material flows out after all mixing from bottom, not only can guarantee that material is uniformly mixed, also can guarantee complete melting, into
And keeping granulation outcome good, particle is mellow and full；
(2) material is added by top, and material from top to bottom go out again by overflow, material will not in groove body long-time heating,
Reduce the generation of biuret；
(3) bulk materials on upper layer only can be just sent into overflow port after dispersion is sunk to the bottom, and avoid blocking overflow port；
(4) overflow port baffle upper end also is provided with being open, and material is discharged in the opening blocking of lower end or channel blockage, keeps away
Exempt from the generation of excessive slot；
(5) by insulation jacket and heating coil double action, heating speed is not only accelerated, is subtracted while improving efficiency
The generation of biuret is lacked, also making to be uniformly heated melts material sufficiently, and Flow of Goods and Materials can also be promoted to keep material mixing equal
It is even.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing melt overflow slot；
Fig. 2 is the structural schematic diagram of melt overflow slot provided by the embodiment of the utility model；
Fig. 3 is the cross-sectional view of the overflow port baffle in the utility model embodiment；
Fig. 4 is the functional block diagram of high-tower granulation device provided by the embodiment of the utility model.
In figure: 1 groove body, 2 blenders, 3 feed inlets, 4 overflow ports, 5 heating coils, 6 coil pipe steam inlets, 7 coil condensations
Water out, 8 overflow port baffles, 9 jacket steam entrances, 10 collet condensation-water drains, 11 insulation jackets.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Embodiment 1
Referring to fig. 2 with 3, embodiment 1 discloses a kind of melt overflow slot, including in groove body 1, groove body 1 blender 2 with plus
Hot coil 5, the overflow port 4 of 1 upper portion side wall of feed inlet 3 and groove body at 1 top of groove body etc.；Aforementioned structure and existing melt overflow
Slot is essentially identical, the difference is that: on 1 inner wall of groove body in the present embodiment and it is located on the inside of overflow port 4 equipped with only by groove body 1
The slurry of bottom is sent to the overflow port baffle 8 of overflow port 4, and the slurry of 1 other positions of groove body cannot be flowed out by overflow port 4.It overflows
Overflow port 4 is covered and is equipped with the channel for leading to 1 bottom of groove body in it by head piece baffle 8.
Wherein, referring to fig. 2 with 3, the overflow port baffle 8 in the utility model embodiment is set in groove body 1 along the vertical direction
On wall, overflow port 4 and the slurry in groove body 1 are separated, the upper end is open with lower end, and the opening of lower end is located at groove body 1
The opening (being located at 1 top lower section of groove body) in bottom and the channel between overflow port 4 with guidance slurry, the upper end is located at overflow
Mouthful 4 top 15-30cm(not only can guarantee that stirring rises and falls or the material of boiling will not be flowed out from the opening, and the opening of lower end or
When channel blockage, material can be flowed out from upper opening).
Specifically, referring to fig. 2 with 3, the overflow port baffle 8 in the utility model embodiment is to be welded on 1 inner wall of groove body
Rectangular channel；Rectangular channel is arranged along the vertical direction, and lid, which is located on overflow port 4, surrounds rectangular channel (sectional area with 1 inner wall of groove body
More preferably greater than the sectional area of overflow port 4), lower end is located at 1 bottom of groove body, and the upper end is located above overflow port 4, and two of slot
Side wall (overflow port 4 be located between) is welded on 1 inner wall of groove body.
Further, referring to fig. 2, the top of the groove body 1 in the utility model embodiment is respectively equipped with and heats with lower part
The coil pipe steam inlet 6 and coil condensation water out 7 that coil pipe 5 is connected to are connect with steam pipe network and condensed water pipe network respectively.
Wherein, referring to fig. 2, it is from top to bottom equipped with two layers and stirs on the agitating shaft of the blender 2 in the utility model embodiment
Blade is mixed to guarantee mixed effect.
Preferably, referring to fig. 2, it is arranged with insulation jacket 11 outside the groove body 1 in the utility model embodiment, the insulation jacket
11 tops and lower part be respectively equipped with jacket steam entrance 9 and collet condensation-water drain 10 respectively with steam pipe network and condensed water pipe network
Connection.Jacket steam entrance 9 is located at the top of overflow port 4, and coil pipe steam inlet 6 is located at the lower section of overflow port 4.Into heating dish
The steam pressure of pipe 5≤10 Kgf/cm2, in order to guarantee the mobility of slurry, into steam pressure≤2.5 of insulation jacket 11
Kgf/cm2, the steam pressure of heating coil 5 is greater than the steam pressure of insulation jacket 11.
Further, 1 bottom of groove body in the utility model embodiment is additionally provided with exhaust-valve (evacuation port), which uses
Material is emptied when stopping production, can also be connect by pipeline with next stage groove body.
Embodiment 2
Referring to fig. 2-4, embodiment 2 discloses a kind of high-tower granulation device, including molten by the sequentially connected urea of pipeline
Melt slot (for fusing urea), at least one raw material fusion tank, abrasive structure (for grinding) and pelletizing structures (for being granulated)
Deng.Aforementioned structure and existing high-tower granulation device are essentially identical, the difference is that: urea molten tank in the present embodiment with
Raw material fusion tank is all made of melt overflow slot disclosed in embodiment 1, i.e., is equipped with overflow in urea molten tank and raw material fusion tank
Mouth baffle guarantees that completely, each raw material is uniformly mixed in raw material fusion tank, and each slot is not easy to plug for melting in each slot,
Less biuret is generated in each slot；In short, keeping granulation outcome more preferable.It certainly, can also portion in high-tower granulation device
Divide slot using melt overflow slot disclosed in embodiment 1, be especially easy blocking or be easy to appear the non-uniform slot of mixing.
Wherein, referring to fig. 4, the quantity of the raw material fusion tank in the utility model embodiment is two, respectively for adding
Add the level-one raw material fusion tank with melting potash fertilizer and filler etc. and the secondary raw materials fusion tank for adding and melting phosphorus ammonium etc., urine
The overflow port of plain fusion tank is connect by pipeline with the feed inlet of level-one raw material fusion tank, and the overflow port of level-one raw material fusion tank is logical
It crosses pipeline to connect with the feed inlet of secondary raw materials fusion tank, the overflow port of secondary raw materials fusion tank is connected by pipeline and abrasive structure
It connects, level-one raw material fusion tank and secondary raw materials fusion tank top are additionally provided with the material inlet for adding powder raw material.Urea is molten
Melt and is equipped with overflow port baffle in slot, level-one raw material fusion tank and secondary raw materials fusion tank and makes material from bottom overflow.
Further, the exhaust-valve of urea melting trench bottom is connect by pipeline with the feed inlet of level-one raw material fusion tank,
The exhaust-valve of level-one raw material melting trench bottom is connect by pipeline with the feed inlet of secondary raw materials fusion tank, secondary raw materials fusion tank
The exhaust-valve of bottom is connect by pipeline with pelletizing structures, for when overflow port goes wrong or need completely to empty slot material
It uses.
Be illustrated below with reference to the course of work of the Fig. 4 to high-tower granulation device: urea is melted by urea molten tank
After change, urea melt is formed, level-one raw material fusion tank (potash fertilizer and filler etc. is added) is entered in a manner of the overflow of bottom, level-one is former
Expect that the material of fusion tank is flowed into secondary raw materials fusion tank (phosphorus ammonium etc. is added) after stirring by way of the overflow of bottom, leads to
It crosses to be stirred and enters abrasive structure by way of the overflow of bottom afterwards and ground, polished slurry is sent into pelletizing structures
It is granulated.Obtained granular size is moderate, mellow and full.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of melt overflow slot is pushed up including the blender (2) in groove body (1), groove body (1) with heating coil (5), groove body (1)
The feed inlet (3) in portion and the overflow port (4) of groove body (1) upper portion side wall；It is characterized in that, on groove body (1) inner wall and being located at
It is equipped on the inside of overflow port (4) and only send the slurry of groove body (1) bottom to the overflow port baffle (8) of overflow port (4).
2. melt overflow slot according to claim 1, which is characterized in that the overflow port baffle (8) sets along the vertical direction
In on groove body (1) inner wall, overflow port (4) and the slurry in groove body (1) are separated, the upper end is open with lower end, lower end
Opening be located at groove body (1) bottom and there is the channel of guidance slurry between overflow port (4), the opening of the upper end is located at overflow
15-30cm above mouth (4).
3. melt overflow slot according to claim 1 or 2, which is characterized in that the overflow port baffle (8) is to be welded on slot
Rectangular channel on body (1) inner wall；The rectangular channel is arranged along the vertical direction, and lid is located on overflow port (4), and lower end is located at slot
Body (1) bottom, the upper end are located above overflow port (4).
4. melt overflow slot according to claim 1, which is characterized in that the top of the groove body (1) is set respectively with lower part
There are the coil pipe steam inlet (6) being connected to heating coil (5) and coil condensation water out (7).
5. melt overflow slot according to claim 4, which is characterized in that on the agitating shaft of the blender (2) by up to
Have two layers of stirring blade.
6. melt overflow slot according to claim 4, which is characterized in that be arranged with insulation jacket outside the groove body (1)
(11), insulation jacket (11) top and lower part are respectively equipped with jacket steam entrance (9) and collet condensation-water drain (10), institute
The top that jacket steam entrance (9) is located at overflow port (4) is stated, the coil pipe steam inlet (6) is located at the lower section of overflow port (4).
7. melt overflow slot according to claim 1, which is characterized in that groove body (1) bottom is additionally provided with exhaust-valve.
8. a kind of high-tower granulation device, including pass through the sequentially connected urea molten tank of pipeline, at least one raw material fusion tank, grind
Grind structure and pelletizing structures；It is characterized in that, the urea molten tank is all made of with raw material fusion tank as claim 1-6 is any
Melt overflow slot described in.
9. high-tower granulation device according to claim 8, which is characterized in that the quantity of the raw material fusion tank is two,
Respectively the level-one raw material fusion tank for adding and melting potash fertilizer and filler and the secondary raw materials for adding and melting phosphorus ammonium
Fusion tank；The overflow port of the urea molten tank is connect by pipeline with the feed inlet of level-one raw material fusion tank, and the level-one is former
The overflow port of material fusion tank is connect by pipeline with the feed inlet of secondary raw materials fusion tank, the overflow of the secondary raw materials fusion tank
Mouth is connect by pipeline with abrasive structure, and the top of the level-one raw material fusion tank and secondary raw materials fusion tank is additionally provided with for adding
Add the material inlet of powder raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318490.XU CN208786343U (en) | 2018-08-16 | 2018-08-16 | A kind of melt overflow slot and high-tower granulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821318490.XU CN208786343U (en) | 2018-08-16 | 2018-08-16 | A kind of melt overflow slot and high-tower granulation device |
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| CN208786343U true CN208786343U (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115872605A (en) * | 2022-12-09 | 2023-03-31 | 彩虹显示器件股份有限公司 | Temperature-adjustable overflow trough, control system and method |
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2018
- 2018-08-16 CN CN201821318490.XU patent/CN208786343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115872605A (en) * | 2022-12-09 | 2023-03-31 | 彩虹显示器件股份有限公司 | Temperature-adjustable overflow trough, control system and method |
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