CN106179121A - A kind of prilling granulator - Google Patents

A kind of prilling granulator Download PDF

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Publication number
CN106179121A
CN106179121A CN201610652361.3A CN201610652361A CN106179121A CN 106179121 A CN106179121 A CN 106179121A CN 201610652361 A CN201610652361 A CN 201610652361A CN 106179121 A CN106179121 A CN 106179121A
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CN
China
Prior art keywords
conveyer belt
distribution device
super
raw material
prilling granulator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610652361.3A
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Chinese (zh)
Inventor
陈丽娟
陈明
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Shenzhen City West Tower Technology Co Ltd
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Shenzhen City West Tower Technology Co Ltd
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Priority to CN201610652361.3A priority Critical patent/CN106179121A/en
Publication of CN106179121A publication Critical patent/CN106179121A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/26Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic on endless conveyor belts

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Glanulating (AREA)

Abstract

The invention discloses a kind of prilling granulator, including melting mixing groove, distribution device, conveyer belt and cooling sprayer;Wherein, raw material pump and filter it is provided with between melting mixing groove and distribution device, raw material pump is connected to the port of export of melting mixing groove, send the raw material after melting to pump to filter by raw material pumping, is entered distribution device by the charging aperture of distribution device after filter filters;The fused materials supplied by charging aperture is divided into drop-wise, drippage to spread on conveyer belt by distribution device;Conveyer belt includes conveyer belt body and the super-hydrophobic oleophobic surface layer being arranged on conveyer belt body surface.The present invention carries out super-hydrophobic oleophobic process to conveyer belt surface, the material drop melted is made automatically to be shrunk to spherical, chain type stainless steel conveyor belt is used to replace steel band, can produce and connect subglobular granule, and owing to using chain conveyor to instead of steel band, running the most unstressed, service life increases significantly, and maintenance expense is low.

Description

A kind of prilling granulator
Technical field
The invention belongs to material granulation technical field, relate to a kind of prilling granulator.
Background technology
All there is the demand of material granulation in a lot of industries, granulating technique is the most varied, such as spray process, granule Method, steel belt condensation method etc..Wherein steel belt condensation method has material uniformity height, rate of cooling is fast, occupation area of equipment is little, highly The advantage such as low, all has wide application in the industries such as sulfur, paraffin, chemical fertilizer.
At present, steel belt condensation method material granulation is mainly after material melts, distributing device ooze, fall at cooling steel band Upper condensation granulating, wherein steel band back side water spray is to accelerate cooling, and conveyer belt end arranges scraper, by knot material scraper on steel band Under.The granule that this technique is produced is spherical, it is adaptable to occasion less demanding to shape of product.Core component in equipment For steel band, steel band needs reciprocating operation, works, have the indexs such as its toughness, elasticity, flatness under stronger stress effect High requirement, it is reported, steel band used by this technique is import at present, and cost is the highest.And steel band stress is tired after using several years Labor, can produce deformation, relax, it is impossible to running well, need integral replacing, maintenance cost is higher.
There are enterprise and unit to do steel band type pelletize application in chemical fertilizer production to attempt, but all end in failure.Main Wanting problem to have following 2 points, one is that grain shape is undesirable, and poor fluidity is not suitable for mechanical fertilization;Two is to change steel band Expense is too high, makes production cost entirety raise.
As can be seen here, the defect existed for currently available technology, in fact it is necessary to develop research, to provide the one can To reduce the production cost of conveyer belt and the material granulation scheme of maintenance cost, can produce that to meet connecing of demand subglobular Granule.
Summary of the invention
For solving the problems referred to above, it is an object of the invention to provide a kind of production cost reducing conveyer belt and safeguard into This prilling granulator.
For achieving the above object, the technical scheme is that
A kind of prilling granulator, including melting mixing groove, distribution device, conveyer belt and cooling sprayer;Wherein, melted Being provided with raw material pump and filter between mixing channel and distribution device, raw material pump is connected to the port of export of melting mixing groove, mistake Filter one end connects raw material pump, and the other end is connected to the charging aperture of distribution device, send the raw material after melting by raw material pumping Pump to filter, after filter filters, entered distribution device by the charging aperture of distribution device;Distribution device will be by feeding The fused materials of mouth supply is divided into drop-wise, drippage to spread on conveyer belt;Conveyer belt includes conveyer belt body and setting Super-hydrophobic oleophobic surface layer on conveyer belt body surface.
Further, the super-hydrophobic oleophobic surface series of strata of described conveyer belt use super-amphiphobic hydrophobic coating to spray steel strip surface It is coated with, after solvent volatilization completely, forms super-hydrophobic oleophobic surface layer.
Further, the super-hydrophobic oleophobic surface layer of described conveyer belt is by using the polymer solution adding granular filler Coating carries out super-hydrophobic process to conveyer belt body surface and forms, and comprises the steps:
Surface processes, and conveyer belt body surface is carried out surface cleaning, dried;
Spraying operation, carries out spraying operation to conveyer belt body surface, to steel strip surface spray-applied primer and finish paint.
Solidification, sprayed surface coating in base coat sprays latter 2 hours, face coat needs solidify for 5-10 minute.
Further, the super-hydrophobic oleophobic surface series of strata of conveyer belt use chemical vapour deposition technique to prepare.
Further, described conveyer belt is steel band.
Further, described conveyer belt is plate chain type stainless steel conveyor belt.
Further, described conveyer belt is network chain type stainless steel conveyor belt, and conveyer belt steel wire diameter is for being less than or equal to 0.8 millimeter.
Compared to prior art, one prilling granulator of the present invention carries out super-hydrophobic oleophobic process to conveyer belt surface, uses Chain type stainless steel conveyor belt can be produced and connect subglobular granule, and owing to using chain conveyor, the operation base of conveyer belt This is unstressed, and conveyer belt increases service life significantly, and maintenance cost is greatly reduced.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for From the point of view of those skilled in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the theory structure block diagram of the present invention.
Detailed description of the invention
Embodiments providing a kind of prilling granulator, by conveyer belt surface being carried out super-hydrophobic oleophobic process, making Replace steel band with chain type stainless steel conveyor belt, can produce and connect subglobular granule, and owing to using chain conveyor generation Having replaced steel band, the operation of conveyer belt is the most unstressed, and conveyer belt increases service life significantly, and maintenance cost is greatly reduced.
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below in conjunction with the present invention Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that disclosed below Embodiment be only a part of embodiment of the present invention, and not all embodiments.Based on the embodiment in the present invention, this area The every other embodiment that technical staff is obtained, broadly falls into the scope of protection of the invention.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are for distinguishing Similar object, without being used for describing specific order or precedence.Should be appreciated that the term of so use is in suitable feelings Can exchange under condition, this is only to describe the differentiation used the object of same alike result when describing in embodiments of the invention Mode.Additionally, term " includes " and " having " and their any deformation, it is intended that cover non-exclusive comprising, in order to Comprise the process of a series of unit, method, system, product or equipment and be not necessarily limited to those unit, but can include the clearest List or for intrinsic other unit of these processes, method, product or equipment.
It is described in detail individually below.
One embodiment of prilling granulator of the present invention, as it is shown in figure 1, one prilling granulator of the present invention includes melting mixing groove 1, distribution device 4, conveyer belt 5 and cooling sprayer 6;Wherein, be provided with between melting mixing groove 1 and distribution device 4 former Material pump 2 and filter 3, raw material pump 2 is connected to the port of export of melting mixing groove 1, and filter 3 one end connects raw material pump 2, another End is connected to the charging aperture of distribution device 4, and the raw material pumped after melting by raw material pump 2 pumps to filter 3, through filtering Device 3 is entered distribution device 4 by the charging aperture of distribution device 4 after filtering;The fused materials supplied by charging aperture is divided by distribution device 4 Be slit into drop-wise, drippage spreads on conveyer belt 5.
Conveyer belt 5 is chain type stainless steel conveyor belt, includes conveyer belt body and is arranged on conveyer belt body surface Super-hydrophobic oleophobic surface layer.Drop onto the fused materials on conveyer belt 5 in droplet-like from distribution device 4 and touch conveyer belt 5 Super-hydrophobic oleophobic surface layer after, drop is shrunk to spherical the most automatically, and due to super-hydrophobic oleophobic surface layer super-hydrophobic dredge Oil surface characteristic, does not has any cohesive force, after granule is reached home with conveyer belt 5, it is not necessary to make between conveyer belt and material particles Can fall voluntarily with scraper.The character that make use of super hydrophobic surface that the program is creative, is used for carrying out the molding of granule, prominent Having broken conventional super hydrophobic material and solely be used in automatically cleaning, the restriction of waterproof aspect purposes, belonging to one relatively has breakthrough innovation.
In the present embodiment, described chain type stainless steel conveyor belt is plate chain type conveyer belt, by steel plate wide for 2cm-4cm by closing Page links together, and plurality of steel plates connects formation conveyer belt.Due to the effect of gemel connection when turning to, whole conveyer belt is without answering Complete under conditions of power to turn to.
In another embodiment, described conveyer belt is steel band, and due to the super-hydrophobic oleophobic table of super-hydrophobic oleophobic surface layer Face characteristic, does not has any cohesive force between conveyer belt and material particles, after granule is reached home with conveyer belt 5, it is not necessary to uses and scrapes Cutter can fall voluntarily.Conveyer belt surface can design different texture moulding as required.
Being provided with cooling sprayer below conveyer belt, cooling sprayer sprays stainless steel conveyor belt lower surface continuously, So that the material on steel band is quickly cooled down in transmitting moving process, solidifies, thus reach the purpose of granulating and forming.
The super-hydrophobic oleophobic surface series of strata of described conveyer belt conveyer belt use super-amphiphobic coating to steel strip surface spray-applied primer And finish paint, after solvent volatilization completely, form super-hydrophobic oleophobic surface layer.
Specifically, in the present embodiment, the super-hydrophobic oleophobic surface layer of described conveyer belt is by using interpolation granular filler Polymer solution carries out super-hydrophobic process to conveyer belt body surface and forms, and comprises the steps:
Surface processes, and conveyer belt body surface is carried out surface cleaning, dried;
Spraying operation, carries out spraying operation to conveyer belt body surface, to steel band outer surface spray-applied primer and finish paint, to table Need coating is rocked to make it be sufficiently mixed before finishing coat spraying, spraying process needs intermittence rock or turn.
Solidification, base coat needs 15-30 minute hardening time, sprayed surface coating in base coat is constructed latter 2 hours, Face coat needs 5-10 minute, and heater or heat gun can be used to accelerate the curing process.
Within after surface coating injection 15-30 minute, present super-hydrophobic effect, after 2 hours, reach optimum performance.Optimal oleophobic Performance presents after base coat solidifies after 1 hour and face coat solidifies 8 hours.
The super-hydrophobic oleophobic surface series of strata of described conveyer belt use chemical vapour deposition technique to prepare;Described network chain type conveyer belt Conveyer belt steel wire diameter be less than or equal to 0.8 millimeter.
During work, first raw material put into melted in melt mixer and stir, then delivering to distributing device by pumping, in Between be filtered, in drop-wise underground in distributing device, fall super-hydrophobic oleophobic conveyer belt surface, be automatically shrunk to spherical, After conveyer belt surface condensation becomes granule, along with the motion of conveyer belt, fall at conveyer belt end, collect, packaging.Due to steel band The pressure cooling effect of back side cooling water, spreads to the material on steel band and is rapidly cooled solidification forming, the shape that material shapes For approximate sphericity, by adjusting the aperture of distributing device, can be made into from a few tenths of a mm to the approximate sphericity of several millimeters of different-grain diameters Granule.
Prilling granulator of the present invention carries out super-hydrophobic oleophobic process to conveyer belt surface, uses chain type stainless steel conveyor belt to replace Steel band, can produce and connect subglobular granule, it is no longer necessary to arrange the parts such as scraper, simple in construction, and owing to using chain Formula conveyer belt instead of steel band, and the operation of conveyer belt is the most unstressed, and conveyer belt increases service life significantly, and maintenance cost is the biggest Big reduction.
In sum, above example only in order to technical scheme to be described, is not intended to limit;Although with reference to upper State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to upper State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent;And these Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (8)

1. a prilling granulator, including melting mixing groove, distribution device, conveyer belt and cooling sprayer, it is characterised in that: Being provided with raw material pump and filter between melting mixing groove and distribution device, raw material pump is connected to the outlet of melting mixing groove End, filter one end connects raw material pump, and the other end is connected to the charging aperture of distribution device, is sent by raw material pumping after melting Raw material pumps to filter, is entered distribution device by the charging aperture of distribution device after filter filters;Distribution device will be by The fused materials of charging aperture supply is divided into drop-wise, drippage to spread on conveyer belt;Conveyer belt for include conveyer belt body with And the super-hydrophobic oleophobic surface layer being arranged on conveyer belt body surface.
2. prilling granulator as claimed in claim 1, it is characterised in that: the super-hydrophobic oleophobic surface series of strata of described conveyer belt use super Steel strip surface is sprayed by double thin coating, after solvent volatilization completely, forms super-hydrophobic oleophobic surface layer.
3. prilling granulator as claimed in claim 1, it is characterised in that: the super-hydrophobic oleophobic surface layer of described conveyer belt is by use The polymer solution of interpolation granular filler carries out super-hydrophobic process to conveyer belt body surface and forms, and comprises the steps:
Surface processes, and conveyer belt body surface is carried out surface cleaning, dried;
Spraying operation, carries out spraying operation to conveyer belt body surface, to steel band outer surface spray-applied primer and finish paint.
Solidification, sprayed surface coating in base coat sprays latter 2 hours, face coat needs solidify for 5-10 minute.
4. prilling granulator as claimed in claim 1, it is characterised in that: the super-hydrophobic oleophobic surface series of strata employingization of described conveyer belt Prepared by vapour deposition process.
5. prilling granulator as described in any one of claim 2-3, it is characterised in that: described conveyer belt is steel band.
6. prilling granulator as described in any one of claim 2-3, it is characterised in that: described conveyer belt is plate chain type conveyer belt.
7. prilling granulator as described in any one of claim 2-3, it is characterised in that: described conveyer belt is network chain type conveyer belt, passes Send that steel wire is a diameter of is less than or equal to 0.8 millimeter.
8. prilling granulator as described in any one of claim 2-3, it is characterised in that: described conveyer belt is PVC conveyer belt.
CN201610652361.3A 2016-08-10 2016-08-10 A kind of prilling granulator Pending CN106179121A (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN107321755A (en) * 2017-06-30 2017-11-07 江苏省环境科学研究院 A kind of abraum salt process for reclaiming and its special purpose device
CN107637485A (en) * 2017-09-29 2018-01-30 湖州吴兴升浪生态农业有限公司 A kind of vegetable cultivation liquid manure mixing flusher
CN108530112A (en) * 2018-06-11 2018-09-14 四川大学 A method of preparing granular urea with super-hydrophobic face
CN110404479A (en) * 2018-04-28 2019-11-05 徐州市禾协肥业有限公司 Prepare system and method, the coronal fertiliser granulates of coronal fertiliser granulates
CN110606736A (en) * 2019-08-23 2019-12-24 广东工业大学 Solvent-free synthesized ceramic microsphere and preparation method and application thereof
CN112770887A (en) * 2018-08-30 2021-05-07 陶氏环球技术有限责任公司 Apparatus and method for granulating low viscosity materials

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107321755A (en) * 2017-06-30 2017-11-07 江苏省环境科学研究院 A kind of abraum salt process for reclaiming and its special purpose device
CN107637485A (en) * 2017-09-29 2018-01-30 湖州吴兴升浪生态农业有限公司 A kind of vegetable cultivation liquid manure mixing flusher
CN110404479A (en) * 2018-04-28 2019-11-05 徐州市禾协肥业有限公司 Prepare system and method, the coronal fertiliser granulates of coronal fertiliser granulates
CN108530112A (en) * 2018-06-11 2018-09-14 四川大学 A method of preparing granular urea with super-hydrophobic face
CN112770887A (en) * 2018-08-30 2021-05-07 陶氏环球技术有限责任公司 Apparatus and method for granulating low viscosity materials
CN110606736A (en) * 2019-08-23 2019-12-24 广东工业大学 Solvent-free synthesized ceramic microsphere and preparation method and application thereof

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Application publication date: 20161207