CN110090591A - A kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding - Google Patents
A kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding Download PDFInfo
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- CN110090591A CN110090591A CN201810090449.XA CN201810090449A CN110090591A CN 110090591 A CN110090591 A CN 110090591A CN 201810090449 A CN201810090449 A CN 201810090449A CN 110090591 A CN110090591 A CN 110090591A
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- Prior art keywords
- plate
- helical duct
- curing molding
- slab type
- formula unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
Abstract
The present invention provides a kind of slab type spiral formula unit equipments of fertilizer slurry drop curing molding, the slab type spiral formula unit equipment of the fertilizer slurry drop curing molding includes multiple plates and multiple helical ducts, and successively interval is arranged from top to bottom for the plate and the helical duct；The plate intersects that be formed by the angle at minimum angle be acute angle with horizontal direction, and the helical duct is helically down-set；The plate is connect with the helical duct by turning angle.It is cooling in the granulation tower of lower height that slab type spiral formula unit equipment of the invention can make fertilizer slurry drop, and is capable of forming the biggish granulated fertilizer of hardness.
Description
Technical field
The present invention relates to fertilizer chemical technology fields, and in particular to a kind of slab type spiral of fertilizer slurry drop curing molding
Formula unit 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 effect of the invention.
Summary of the invention
In view of this, the present invention provides a kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding, specifically
Technical solution is as follows:
A kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding, the fertilizer slurry drop curing molding
Slab type spiral formula unit equipment include multiple plates and multiple helical ducts, the plate and the helical duct are from top to bottom
Successively interval setting；The plate intersects that be formed by the angle at minimum angle be acute angle with horizontal direction, and the helical duct is in
Downward spiral setting；The plate is connect with the helical duct by turning angle.
Preferably, each plate includes the first receiving end, the first rolled portion and the first discharge end, and described first rolls
Portion is located at the centre of first receiving end and the first discharge end；Each helical duct includes the second receiving end, the second rolling
Dynamic portion and the second discharge end, second rolled portion are located at the centre of second receiving end and second discharge end；N-th
Second receiving terminal in the helical duct passes through first discharge end in the turning angle and n-th of plate
Connection, second discharge end in n-th of helical duct pass through described the in turning angle and (n+1)th plate
One receiving terminal connection, wherein the n is the integer greater than 0.
Preferably, the turning angle includes that spiral opening, plate opening and turning cambered surface, the spiral opening are correspondingly connected with
It the helical duct and is penetrated through with the helical duct, plate opening is correspondingly connected with the plate and passes through with the plate
Logical, the both ends of the turning cambered surface are separately connected the helical duct and the plate.
Preferably, the orthographic projection angle of the helical duct is 60-180 °.
Preferably, the orthographic projection angle of the helical duct is 80-120 °.
Preferably, the vertical height of n-th of helical duct is less than or equal to the vertical height of n-th of plate, and
The vertical height of (n+1)th plate is less than or equal to the vertical height of n-th of plate, wherein the n is whole greater than 0
Number.
Preferably, the vertical height of n-th of helical duct and the difference of the vertical height of n-th of plate are
10-50 millimeters；The difference of the vertical height of (n+1)th plate and the vertical height of n-th of plate is 20-50 milli
Rice.
Preferably, the slab type spiral formula unit equipment of the fertilizer slurry drop curing molding further includes circulating cooling dress
It sets, the cooling back installation is set to the helical duct bottom and the flat plate bottom.
Preferably, the surface of the helical duct and the surface of the plate are super-hydrophobic oleophobic surface layer.
Preferably, the surface of the helical duct and the surface of the plate are equipped with multiple raised points or raised item.
Beneficial effects of the present invention: slab type spiral formula unit equipment of the invention 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 provides a kind of knot of the slab type spiral formula unit equipment of fertilizer slurry drop curing molding for the embodiment of the present invention
Structure schematic diagram.
The structural schematic diagram of turning angle of the Fig. 2 between plate provided in an embodiment of the present invention and helical duct.
Specific embodiment
The following is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Description and claims of this specification and term " first " in the attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
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
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, the present invention provides a kind of slab type spiral formula unit equipment 10 of fertilizer slurry drop curing molding, institute
The slab type spiral formula unit equipment 10 for stating fertilizer slurry drop curing molding includes multiple plates 100 and multiple helical ducts 200,
Successively interval is arranged the plate 100 from top to bottom with the helical duct 200.It is understood that described in adjacent two
It is separated between plate 100 by a helical duct 200, between the helical duct 200 of adjacent two described in one
Plate 100 separates.The plate 100 and the helical duct 200 can be fixed in granulation tower 20, or pass through bracket and fixation
Support is fixed on wall or ground.The plate 100 intersect with horizontal direction be formed by minimum angle angle be acute angle,
That is the plate 100 is arranged diagonally downward.The helical duct 200 is helically down-set.The plate 100
It is connect with the helical duct 200 by turning angle 300.
The cooling fertilizer slurry drop sprayed from spray head is used to using slab type spiral formula unit equipment, when fertilizer slurry liquid
After being dropped on the 1st plate 100, during cooling, since plate is arranged diagonally downward, fertilizer slurry drop is in cooling
During can along plate 100 roll fall, fertilizer curing molding is made during rolling.Assuming that by fertilizer slurry liquid
The state of drop in cooling procedure is set as preformed granular, and the preformed granular refers to not molding particle completely, in cooling
In the process, during fertilizer slurry drop is transformed into solid-like granulated fertilizer from liquid flowing state, one will necessarily be passed through
Intermediate state between flowing and solid-state.The preformed granular is the intermediate state between the flowing and solid-state.It can be with
Understand, before granulated fertilizer does not form completely, is presented with the state of preformed granular.When cold from the 1st plate 100
But after preformed granular drops into the 1st helical duct 200 again, cooling and curing molding is again passed by helical duct 200,
During due to rolling in helical duct 200, the path of preformed granular is the continuous change direction of motion, is being changed
Helical duct 200 can be hit when the direction of motion, the gradually curing molding again during continuous impingement strengthens particle
The hardness and strength of fertilizer.It is understood that the plate 100 and the helical duct 200 be arranged it is multiple, to better
Cooling and cured granulate fertilizer.
In further embodiment, the plate 100 intersect with horizontal direction be formed by acute angle size be 5-10 °.
In a further embodiment, each plate 100 includes the first receiving end 110, the first rolled portion 120 and the
One discharge end 130, first rolled portion 120 are located at the centre of first receiving end 110 and the first discharge end 130.In advance at
Type particle is rolled to first discharge end 130 from first receiving end 110.Each helical duct 200 includes second
Receiving end 210, the second rolled portion 220 and the second discharge end 230, second rolled portion 220 are located at second receiving end 210
With the centre of second discharge end 230.Preformed granular is rolled to second discharge end from second receiving end 210
230.Second receiving terminal 210 in n-th of helical duct 200 passes through the turning angle 300 and n-th of plate
First discharge end 130 connection in 100.That is preformed granular falls into spiral after coming out from the first discharge end 130
Then second receiving end 210 in channel 200 is rolled to the second rolled portion 220 from the second receiving end 210 again and is rolled.N-th
Second discharge end 230 in the helical duct 200 by turning angle 300 with it is described in (n+1)th plate 100
First receiving terminal 110 connection, wherein the n is the integer greater than 0.Preferably, the n=1-3.Using plate and helical duct
Setting separately can formed and cooled down alternately, finally obtain the preferable granulated fertilizer of molding.
Referring to Fig. 2, in a further embodiment, the turning angle 300 includes spiral opening 310, plate opening 320
With turning cambered surface 330, the spiral opening 310 is correspondingly connected with the helical duct 200 and penetrates through with helical duct 200, described
Plate opening 320 is correspondingly connected with the plate 100 and penetrates through with plate 100, and the both ends of the turning cambered surface 330 are separately connected institute
State helical duct 200 and the plate 100.Assuming that when preformed granular is dropped to before turning angle 300 from the rolling of plate 100, in advance
Shaped granule enters turning angle 300 by plate opening 320, leaves turning angle from spiral opening 310 after the turning of turning angle 300
300 enter helical duct 200.The turning cambered surface 330 includes planarea 331 and camber line face 332, the planarea 331 and arc
Line face 332 connects, and the other end in the camber line face 332 connects the helical duct 200.The other end of the planarea 331 connects
Connect the plate 100.The length of the planarea 331 is wide 0.4-0.6 times of the helical duct 200, the camber line face 332
Tangent line A and the planarea 331 extended line B angle [alpha] be 30-60 °.Turning cambered surface 330 can be made using this set
Preformed granular fertilizer can smoothly pass through turning angle 300, reduce preformed granular during scrolling because meeting with obstruction
And the situation that blocking occurs and squeezes.
In a further embodiment, the orthographic projection angle of the helical duct 200 is 60-180 °.It is understood that
The orthographic projection of the helical duct 200 is fan-shaped, the as fan-shaped angle of the orthographic projection angle.The size of orthographic projection angle
The frequency that path direction of the preformed granular in helical duct 200 changes is illustrated, for forming the biggish granular fertilizer of hardness
Material has excellent effect.
In a further embodiment, the orthographic projection angle of the helical duct 200 is 80-120 °.
In a further embodiment, the vertical height of n-th of helical duct 200 is described less than or equal to n-th flat
The vertical height of plate, and the vertical height of (n+1)th plate 100 is less than or equal to the vertical height of n-th of plate,
Described in n be integer greater than 0.It is understood that the vertical height of the 1st plate is greater than the 1st coupled spiral shell
The vertical height for revolving channel, after keeping preformed granular cooling on plate, then again within a short period of time by helical duct, so
It is rolled on plate again afterwards, such vertical height gradually decreases, and slows down the speed of preformed granular rolling, so as to have enough
Cooling time.
In a further embodiment, the vertical height of n-th of helical duct 200 and n-th plate 100
The difference of vertical height is 10-50 millimeters.The vertical height of (n+1)th plate 100 is hung down with n-th plate 100
The difference of straight height is 20-50 millimeters.
In a further embodiment, the slab type spiral formula unit equipment 10 of the fertilizer slurry drop curing molding also wraps
Cooling back installation 400 is included, the cooling back installation 400 is set to 100 bottom of 200 bottom of helical duct and the plate
Portion.The cooling back installation 400 is for cooling down the helical duct 200 and the plate 100.The cooling back installation
400 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 400 is connect by pipeline with circulating pump 500, described to follow
Ring pump 500 with guaranteeing that cooling back installation 200 is lasting for being kept the cooling medium circle transmission of cooling back installation 400
Low temperature is with the cooling helical duct 200 and the plate 100.
In a further embodiment, the surface of the helical duct 200 and the surface of the plate 100 are super-hydrophobic dredge
Oil meter surface layer.Fertilizer slurry drop is set to be not easy to be sticky on plate.
In a further embodiment, the surface of the helical duct 200 and the surface of the plate 100 are equipped with multiple convex
Starting point or raised item.The raised points or raised item are logical in spiral for improving fertilizer slurry drop or preformed granular
Rolling effect on road and plate.Enhance the hardness and strength of granulated fertilizer during rolling.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding, which is characterized in that the fertilizer slurry liquid
The slab type spiral formula unit equipment of drop curing molding includes multiple plates and multiple helical ducts, and the plate and the spiral are logical
Road successively interval setting from top to bottom；The plate intersect with horizontal direction be formed by minimum angle angle be acute angle, it is described
Helical duct is helically down-set；The plate is connect with the helical duct by turning angle.
2. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that every
A plate includes the first receiving end, the first rolled portion and the first discharge end, and first rolled portion is located at described first and connects
The centre of receiving end and the first discharge end；Each helical duct includes the second receiving end, the second rolled portion and the second discharge end,
Second rolled portion is located at the centre of second receiving end and second discharge end；In n-th of helical duct
Second receiving terminal is connect by the turning angle with first discharge end in n-th of plate, n-th of spiral shell
Second discharge end in rotation channel is connect by turning angle with first receiving terminal in (n+1)th plate,
Described in n be integer greater than 0.
3. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as claimed in claim 2, which is characterized in that institute
State turning angle include spiral opening, plate opening and turning cambered surface, the spiral opening be correspondingly connected with the helical duct and with
The helical duct perforation, the plate opening are correspondingly connected with the plate and penetrate through with the plate, the turning cambered surface
Both ends are separately connected the helical duct and the plate.
4. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that institute
The orthographic projection angle for stating helical duct is 60-180 °.
5. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that institute
The orthographic projection angle for stating helical duct is 80-120 °.
6. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that the
The vertical height of the n helical duct is less than or equal to the vertical height of n-th of plate, and (n+1)th plate
Vertical height is less than or equal to the vertical height of n-th of plate, wherein the n is the integer greater than 0.
7. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as claimed in claim 6, which is characterized in that the
The difference of the vertical height of the vertical height and n-th of plate of the n helical ducts is 10-50 millimeters；(n+1)th institute
The difference for stating the vertical height of plate and the vertical height of n-th of plate is 20-50 millimeters.
8. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that institute
The slab type spiral formula unit equipment for stating fertilizer slurry drop curing molding further includes cooling back installation, the cooling back installation
Set on the helical duct bottom and the flat plate bottom.
9. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that institute
The surface on the surface and the plate of stating helical duct is super-hydrophobic oleophobic surface layer.
10. the slab type spiral formula unit equipment of fertilizer slurry drop curing molding as described in claim 1, which is characterized in that
The surface of the helical duct and the surface of the plate are equipped with multiple raised points or raised item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090449.XA CN110090591A (en) | 2018-01-30 | 2018-01-30 | A kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810090449.XA CN110090591A (en) | 2018-01-30 | 2018-01-30 | A kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110090591A true CN110090591A (en) | 2019-08-06 |
Family
ID=67442793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810090449.XA Pending CN110090591A (en) | 2018-01-30 | 2018-01-30 | A kind of slab type spiral formula unit equipment of fertilizer slurry drop curing molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110090591A (en) |
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2018
- 2018-01-30 CN CN201810090449.XA patent/CN110090591A/en active Pending
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