CN208302713U - A kind of screw-type device of fertilizer slurry drop curing molding - Google Patents
A kind of screw-type device of fertilizer slurry drop curing molding Download PDFInfo
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- CN208302713U CN208302713U CN201820164701.2U CN201820164701U CN208302713U CN 208302713 U CN208302713 U CN 208302713U CN 201820164701 U CN201820164701 U CN 201820164701U CN 208302713 U CN208302713 U CN 208302713U
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- slurry drop
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Abstract
The utility model provides a kind of screw-type device of fertilizer slurry drop curing molding, the screw-type device of the fertilizer slurry drop curing molding includes helical duct, the helical duct includes receiving end, rolled portion and discharge end, the rolled portion is located at the centre of the receiving end and the discharge end, the receiving end is for accepting fertilizer slurry drop, the discharge end is the position that fertilizer slurry drop leaves the helical duct, and the rolled portion is fertilizer slurry drop in the position of helical duct surface scrolls；The rolled portion is helically down-set.It is cooling in the granulation tower of lower height that the plate-type device of the utility model can make fertilizer slurry drop, and is capable of forming the biggish granulated fertilizer of hardness.
Description
Technical field
The utility model relates to fertilizer chemical technology fields, and in particular to a kind of spiral of fertilizer slurry drop curing molding
Formula equipment.
Background technique
The production method of fertilizer mainly uses high-tower granulation technology in the prior art.So-called high-tower granulation is using melting
The raw materials such as urea and phosphorus, potassium, mixed slurry is made in the case where being sufficiently mixed, from high tower top spray and under, mixed slurry
Drop interacts with the air drag risen from tower bottom, is cooled to after carrying out heat exchange with it during declining from high tower
For granule materials, tower bottom is dropped to, obtains granular complex fertilizer after falling into the granule materials of tower bottom, then screened processing.Using
High-tower granulation is mainly cooled into fertiliser granulates from the dropping process of top using fertilizer slurry in the sky, in order to make fertilizer
Slurry stays aloft the sufficiently long time so that fertilizer slurry is more some more cooling time, needs very high tower, but high at present
The construction and maintenance of tower need biggish cost.
CN201621363732.8 discloses a kind of granulated fertilizer cooling device, including cooling body, conveyer, blower,
Cold air generation device, waste gas recovering device, screw and rack, it includes level-one cooling chamber that the cylinder of cooling body is interior, is promoted
Chamber and second level cooling chamber, fertiliser granulates sequentially enter level-one cooling chamber, promote chamber and second level cooling chamber, wherein level-one cooling chamber
It is intracavitary under interior and second level cooling chamber to be equipped with several arc coldplates, and the inner cavity of arc coldplate and cold air generate dress
It sets, waste gas recovering device communicates；Several are equipped in the interlayer cavity between adjacent arc coldplate in second level cooling chamber
Arcuate ridges, for interlayer cavity to be separated into several storage cavitys, wherein arcuate ridges include convex surface and several strip grooves, convex surface
A chute is formed between the side wall of an arc coldplate, strip groove, chute can make adjacent storage cavity be connected.The skill
Art is will to promote intracavitary fertiliser granulates using screw to be promoted, and is transported to the second level cooling chamber, screw be for
Conveying effect, it is different from the effect of the utility model.
Utility model content
In view of this, the present invention provides a kind of screw-type device of fertilizer slurry drop curing molding, particular techniques
Scheme is as follows:
A kind of screw-type device of fertilizer slurry drop curing molding, the fertilizer slurry drop curing molding it is spiral
Equipment includes helical duct, and the helical duct includes receiving end, rolled portion and discharge end, and the rolled portion is located at the reception
The centre at end and the discharge end, the receiving end are fertilizer slurry drop for accepting fertilizer slurry drop, the discharge end
The position of the helical duct is left, the rolled portion is fertilizer slurry drop in the position of helical duct surface scrolls；It is described
Rolled portion is helically down-set.
Preferably, the rolled portion in the helical duct includes multiple spiral weeks, is preset from rolled portion in the spiral week
Fixed point is set out, and is rotated by 360 ° the default terminal of arrival, the default fixed point is with the default terminal on same vertical line；It is described
Spiral week is the rolled portion between the default fixed point and the default terminal.
Preferably, the screw pitch in n-th of spiral week is more than or equal to the screw pitch in (n+1)th spiral week；It is wherein described
Screw pitch is equal to the vertical range between the default fixed point and the default terminal, and wherein n is the integer greater than 0.
Preferably, the screw pitch in n-th of spiral week is equal to the screw pitch in (n+1)th spiral week；The spiral week
Number is 1-8, and the screw pitch is 50-200 millimeters, and the diameter projected in the spiral week is 100-1000 millimeters.
Preferably, the screw pitch in n-th of spiral week is greater than the screw pitch in (n+1)th spiral week, n-th of spiral
The difference of the screw pitch of the screw pitch and (n+1)th spiral week in week is 10-50 millimeters.
Preferably, the screw-type device of the fertilizer slurry drop curing molding further includes cooling back installation, described to follow
Ring cooling device is set to the helical duct bottom, and the helical duct bottom is the fertilizer slurry drop on helical duct
The opposite side in the surface of rolling, the cooling back installation is for cooling down the helical duct.
Preferably, the surface of the helical duct is super-hydrophobic oleophobic surface layer.
Preferably, the surface of the helical duct is equipped with multiple raised points or raised item.
Preferably, the screw-type device of the fertilizer slurry drop curing molding further includes fixed column, the helical duct
Around the fixed column rotary setting.
Preferably, the screw-type device of the fertilizer slurry drop curing molding further includes spiral column, and the spiral column is set
It sets at the edge of the helical duct.
The utility model has the beneficial effects that the screw-type device of the utility model can make fertilizer slurry drop in lower height
It is cooling in the granulation tower of degree, and it is capable of forming the biggish granulated fertilizer of hardness.
Detailed description of the invention
Fig. 1 shows for a kind of structure for the screw-type device that the utility model embodiment provides fertilizer slurry drop curing molding
It is intended to.
Fig. 2 is the knot of the screw-type device for the fertilizer slurry drop curing molding that the utility model another kind embodiment provides
Structure schematic diagram.
Specific embodiment
As described below is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
The specification and claims of the utility model and term " first " in the attached drawing, " second " etc. are to be used for
Different objects are distinguished, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations,
It is intended to cover and non-exclusive includes.Such as it contains the process, method of a series of steps or units, system, product or sets
It is standby to be not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or optionally
It further include the other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, the utility model embodiment provides a kind of screw-type device 10 of fertilizer slurry drop curing molding,
The screw-type device 10 of the fertilizer slurry drop curing molding includes helical duct 100.It is understood that the spiral is logical
Road 100 can be mounted on the side wall of granulation tower 20 by bracket or hold-down support.The helical duct 100 includes receiving end
110, rolled portion 120 and discharge end 130, the rolled portion 130 are located at the centre of the receiving end 110 and the discharge end 130,
The receiving end 130 is that fertilizer slurry drop leaves the helical duct for accepting fertilizer slurry drop, the discharge end 130
Position, the rolled portion be fertilizer slurry drop in the position of helical duct surface scrolls.
The rolled portion 120 is helically down-set.Fertilizer slurry drop falls in helical duct 100 from receiving end 110
Afterwards, it is rolled in rolled portion 120, when being rolled to discharge end 130, fertilizer slurry drop is transformed into solid-like from working fluid state
State forms solid particulate fertilizer.The rolled portion 120 is downward spiral setting, it is to be understood that the rolled portion 120
The receiving terminal 110 is topmost connected, the bottom of the rolled portion 120 connects discharge end 130, and the fertilizer slurry drop is fallen
Behind receiving end 110, into rolled portion 120, the structure setting of 120 downward spiral of rolled portion makes fertilizer slurry drop start edge
Rolled portion start to roll at downward spiral, it is gradually cooling during rolling and form granulated fertilizer.Using downward spiral
Helical duct cool down the fertilizer slurry drop of high temperature, increase the cooling path of fertilizer slurry particle, can be lower
Cooling fertilizer slurry drop in vertical height, but it is similar circular that formation can be rolled within several periods of helical duct 100
Granulated fertilizer can solve the problems, such as that the fertiliser granulates that low tower is granulated are cooled and shaped, save high-tower granulation cost.
In a further embodiment, the rolled portion 120 in the helical duct 100 includes multiple spiral weeks 121, described
Spiral week 121 from the default fixed point 122s of rolled portion 120, is rotated by 360 ° the default terminal 123 of arrival, the default fixed point 122
With the default terminal 123 on same vertical line.The spiral week 121 is the default fixed point 122 and the default end
Rolled portion 120 between point 123.It is understood that the default fixed point 122 can be made with any point in rolled portion 120
For default fixed point 122, in order to preferably calculate the number in spiral week 121 in rolled portion 110, the 1st in this embodiment
Spiral week is using the top for the rolled portion 120 connecting with receiving end 110 as default fixed point 122.It is understood that each
There are a default fixed point and default terminal spiral week, the default emphasis in upper spiral week is the presetting of next spiral week
Point.
In a further embodiment, the screw pitch in n-th of spiral week 121 is more than or equal to (n+1)th spiral week
121 screw pitch.Wherein the screw pitch is equal to the vertical range between the default fixed point 122 and the default terminal 123, wherein
N is the integer greater than 0.
In a further embodiment, the screw pitch in n-th of spiral week 121 is equal to (n+1)th spiral week 121
Screw pitch.The number in the spiral week 121 is 1-8, and the screw pitch is 50-200 millimeters, and the projection in the spiral week 121 is straight
Diameter is 100-1000 millimeters.The diameter projected in the spiral week 121, which refers to, irradiates light from the surface in spiral week, in lower section
Obtain the diameter of a circle formed with all 121 peripheries of spiral, the diameter projected in the as described spiral week.The screw-type device
Helical duct 100 in 10 above-mentioned parameter setting range can preferably by fertilizer slurry drop it is cooling, and form hardness and strong
Spend biggish granulated fertilizer.It is big can to obtain the fertilizer hardness obtained than common cooling granulation within the above range after tested
Granulated fertilizer.
In a further embodiment, the screw pitch in n-th of spiral week 121 is greater than (n+1)th spiral week 121
Screw pitch, the difference of the screw pitch in the screw pitch in n-th of spiral week 121 and (n+1)th spiral week 121 is 10-50 millimeters.
It is understood that the spiral week 121 in the rolled portion 120 is gradually to slow down setting.Screw-type device is from high to low gradually
The setting of screw pitch is reduced, after fertilizer slurry drop falls in the 1st spiral week, the vertical range rolled on the 1st spiral week is most
Greatly, the speed of fertilizer slurry drop at this moment is minimum, the speed when fertilizer slurry drop was fallen on nethermost spiral week
Maximum, so gradually becoming smaller the screw pitch in spiral week can extend in spiral week in order to balance the rolling time on spiral week
On rolling time, fallen with the cooling fertilizer slurry drop of maximum possible.After wherein fertilizer slurry drop is rolled from the 1st spiral week
Preformed granular is gradually become, the preformed granular refers to not molding particle completely, in cooling procedure, fertilizer
During slurry drop is transformed into solid-like granulated fertilizer from liquid flowing state, will necessarily by a flowing and solid-state it
Between intermediate state.The preformed granular is the intermediate state between the flowing and solid-state.It is understood that
Before granulated fertilizer material does not form completely, presented with the state of preformed granular.
In a further embodiment, the screw-type device 10 of the fertilizer slurry drop curing molding further includes that circulation is cold
But device 200, the cooling back installation 200 are set to the helical duct bottom, and the helical duct bottom is the fertilizer
The opposite side in the surface that slurry drop rolls on helical duct 100, the cooling back installation 200 is for cooling down the spiral shell
Revolve channel 100.The cooling back installation 200 can be but be not limited to recirculated cooling water device, circulating cooling liquid nitrogen device,
Circulating cooling dry ice device.
In a further embodiment, the cooling back installation 200 is connect by pipeline with circulating pump 210, described to follow
Ring pump 210 with guaranteeing that cooling back installation 200 is lasting for being kept the cooling medium circle transmission of cooling back installation 200
Low temperature is with the cooling helical duct 100.
In a further embodiment, the surface of the helical duct 100 is super-hydrophobic oleophobic surface layer.Make fertilizer slurry
Drop is not easy to be sticky on plate.
In a further embodiment, the screw-type device 10 of the fertilizer slurry drop curing molding further includes discharging dress
500 are set, the discharging device 500 is connect with the discharge end 130 of helical duct 100.The discharging device 500 will be for that will cool down
Molding granulated fertilizer is transferred to collecting bin from screw-type device 10.
Referring to Fig. 2, the fertilizer slurry drop curing molding that the utility model another kind embodiment provides spirally is set
In standby, the surface of the helical duct 100 is equipped with multiple raised points or raised item 140.The raised points or raised item 140
For improving the rolling effect of fertilizer slurry drop or preformed granular on helical duct.The enhancing during rolling
The hardness and strength of granulated fertilizer material.
In a further embodiment, the screw-type device 100 of the fertilizer slurry drop curing molding further includes fixing
Column 300, the helical duct 100 surround 300 rotary setting of fixed column.The helical duct 100 is fixed on the fixation
On column 300.
In a further embodiment, the fixed column 300 is set as hollow column, can among the fixed column 300
It is passed through air, to cool down 300 surface of fixed column of fertilizer slurry drop joint, cools down fertilizer fastly.
In a further embodiment, the screw-type device 10 of the fertilizer slurry drop curing molding further includes spiral column
400, the edge of the helical duct 100 is arranged in the spiral column 400.The spiral column 400 is for stopping fertilizer slurry liquid
Drop flies out from the edge of helical duct 100.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of screw-type device of fertilizer slurry drop curing molding, which is characterized in that the fertilizer slurry drop is solidified into
The screw-type device of type includes helical duct, and the helical duct includes receiving end, rolled portion and discharge end, the rolling position
In the centre of the receiving end and the discharge end, the receiving end is fertilizer for accepting fertilizer slurry drop, the discharge end
Material slurry drop leaves the position of the helical duct, and the rolled portion is fertilizer slurry drop in helical duct surface scrolls
Position；The rolled portion is helically down-set.
2. the screw-type device of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the spiral is logical
Rolled portion in road includes multiple spiral weeks, the spiral week from the presetting point of rolled portion, it is default to be rotated by 360 ° arrival
Terminal, the default fixed point is with the default terminal on same vertical line；The spiral week is the default fixed point and institute
State the rolled portion between default terminal.
3. the screw-type device of fertilizer slurry drop curing molding as claimed in claim 2, which is characterized in that described in n-th
The screw pitch in spiral week is more than or equal to the screw pitch in (n+1)th spiral week；Wherein the screw pitch is equal to the default fixed point and institute
The vertical range between default terminal is stated, wherein n is the integer greater than 0.
4. the screw-type device of fertilizer slurry drop curing molding as claimed in claim 3, which is characterized in that described in n-th
The screw pitch in spiral week is equal to the screw pitch in (n+1)th spiral week；The number in the spiral week is 1-8, and the screw pitch is 50-
200 millimeters, the diameter projected in the spiral week is 100-1000 millimeters.
5. the screw-type device of fertilizer slurry drop curing molding as claimed in claim 3, which is characterized in that described in n-th
The screw pitch in spiral week is greater than the screw pitch in (n+1)th spiral week, the screw pitch and (n+1)th spiral shell in n-th of spiral week
The difference for revolving the screw pitch in week is 10-50 millimeters.
6. the screw-type device of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the fertilizer material
The screw-type device of slurry drops curing molding further includes cooling back installation, and the cooling back installation is set to the helical duct
Bottom, the helical duct bottom is the opposite side in the surface that rolls on helical duct of the fertilizer slurry drop, described
Cooling back installation is for cooling down the helical duct.
7. the screw-type device of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the spiral is logical
The surface in road is super-hydrophobic oleophobic surface layer.
8. the screw-type device of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the spiral is logical
The surface in road is equipped with multiple raised points or raised item.
9. the screw-type device of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the fertilizer material
The screw-type device of slurry drops curing molding further includes fixed column, and the helical duct surrounds the fixed column rotary setting.
10. the screw-type device of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the fertilizer
The screw-type device of slurry drop curing molding further includes spiral column, and the edge of the helical duct is arranged in the spiral column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164701.2U CN208302713U (en) | 2018-01-30 | 2018-01-30 | A kind of screw-type device of fertilizer slurry drop curing molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164701.2U CN208302713U (en) | 2018-01-30 | 2018-01-30 | A kind of screw-type device of fertilizer slurry drop curing molding |
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| Publication Number | Publication Date |
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| CN208302713U true CN208302713U (en) | 2019-01-01 |
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| CN201820164701.2U Active CN208302713U (en) | 2018-01-30 | 2018-01-30 | A kind of screw-type device of fertilizer slurry drop curing molding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090590A (en) * | 2018-01-30 | 2019-08-06 | 徐州市禾协肥业有限公司 | A kind of screw-type device of fertilizer slurry drop curing molding |
| CN112624806A (en) * | 2020-12-23 | 2021-04-09 | 韦利斌 | Method for preparing trace elements in compound fertilizer |
-
2018
- 2018-01-30 CN CN201820164701.2U patent/CN208302713U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090590A (en) * | 2018-01-30 | 2019-08-06 | 徐州市禾协肥业有限公司 | A kind of screw-type device of fertilizer slurry drop curing molding |
| CN112624806A (en) * | 2020-12-23 | 2021-04-09 | 韦利斌 | Method for preparing trace elements in compound fertilizer |
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