CN101362064B - Spherical granules forming device - Google Patents

Spherical granules forming device Download PDF

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Publication number
CN101362064B
CN101362064B CN2008101985185A CN200810198518A CN101362064B CN 101362064 B CN101362064 B CN 101362064B CN 2008101985185 A CN2008101985185 A CN 2008101985185A CN 200810198518 A CN200810198518 A CN 200810198518A CN 101362064 B CN101362064 B CN 101362064B
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Prior art keywords
shower nozzle
ejection
forming device
jet face
spherical granules
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Expired - Fee Related
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CN2008101985185A
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Chinese (zh)
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CN101362064A (en
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周建业
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Abstract

The invention relates to a spherical particle forming device used for a fusing material, which comprises a pressure device, a nozzle and a pipe connecting the pressure device and the nozzle. The fusing material is pressurized by the pressure device, passes through the pipe and is ejected from the nozzle; the ejection surface of the nozzle faces upward, the middle of the ejection surface heaves, the surrounding of the ejection surface is thicker than the central part gradually or the ejection surface is provided with ejection holes comprising two parts, outer holes and inner holes, the diameters of the outer holes are equivalent, the diameters of the inner holes are equivalent, the diameters of the inner holes are larger than that of the outer holes and the depths of the inner holes at the central part of the ejection surface change gradually to be larger than that of the surrounding inner holes. The material ejected from the central part of the ejection surface has relatively small resistance, thus can be ejected comparatively far away, the material ejected from the surrounding of the ejection surface suffers relatively large resistance, thus can be ejected nearby, therefore, spherical particles ejected by ejection holes of different levels do not collide or bind. The device has simple structure, relatively low cost, excellent forming effect and high production efficiency.

Description

Spherical granules forming device
Technical field
The present invention relates to a kind of device of spheric granules moulding, be frozen into the device of spherical particles in particular for the material of molten condition.
Background technology
The moulding process of spheric granules generally adopts the material of shower nozzle ejection molten condition, material is by forming a fine rule behind the spray orifice of shower nozzle, fracture is shrunk to single spheric granules in the freely falling body process under the gravity effect, in the process that falls also is the process of cooled and solidified, promptly becomes solid-state spheric granules before landing.
For making grain forming have controllability, there are some technological means that this is improved, such as shower nozzle moving back and forth at the enterprising line period of direction of material ejection, perhaps shower nozzle is moving back and forth perpendicular to the enterprising line period of direction of material ejection, perhaps shower nozzle carries out the rotation of certain speed, this all makes material be subjected to extra active force when ejection, makes material controlledly be broken for particle.
But above the whole bag of tricks all needs shaped device is carried out extra improvement, and production cost is higher, the device more complicated.And, because the existence of extra active force, speed when causing the spheric granules ejection is inhomogeneous, therefore be easy to bump between the spheric granules, the collision of the particle that does not solidify fully can have influence on the uniformity of grain forming diameter, even a plurality of particles are bonded in together the waste product of generation some.
Summary of the invention
The purpose of this invention is to provide a kind of spherical granules forming device, the particle that fused materials produces under simple relatively structure does not collide after spherical granules forming device of the present invention sprays mutually.
For achieving the above object, provide following technical scheme.
The spherical granules forming device that is used for fused materials comprises pressue device and shower nozzle, and the pipeline that connects both, and after the pressurized device pressurization of fused materials, by the ejection of pipeline from shower nozzle, the jet face of described shower nozzle up.Jet face middle part projection.
Fused materials is in ducted flowing velocity, speed near tube wall is slow, the speed that is positioned at pipeline center is fast, therefore when jet face sprays, and jet face middle part projection, therefore the material of ejection is to diffusion all around, and the fused materials speed of jet face middle part ejection is faster, the fused materials jet length of middle part ejection is farther, can not bump with the fused materials of ejection around the jet face.Pressue device makes the fused materials speed of ejection faster for the pressure of fused materials, and jet length is farther, the melt granules of ejection is more difficult bump bonding.In addition, if jet face needs higher cooling height down, material after the ejection need experience longer difference in height and just can solidify in air, and the jet face of shower nozzle of the present invention up, and the track of the material of ejection is a parabola, moves upward earlier, and then fall, therefore it is lower to cool off difference in height, saves the space, only needs relatively low cooling device.
In order to reach better effect, shower nozzle has been carried out improving design.
Injection diameter on the described jet face is all identical, and thickens than jet face middle part gradual change around the jet face.This just means that also the fused materials that sprays around the jet face will be subjected to the bigger resistance of fused materials than the ejection of jet face middle part through shower nozzle the time, so Pen Chu fused materials jet length is nearer all around, and the fused materials of jet face middle part ejection sprays fartherly, thus the melt granules of ejection more difficult bump bonding.
Spray orifice around a kind of improved procedure of shower nozzle, described jet face reduces than the Diameter Gradual Change of the spray orifice at middle part.The spray orifice resistance that diameter is bigger is less, so the material speed of ejection is very fast, the material of the spray orifice ejection of different levels can not bump bonding yet.The material that successively sprays from same spray orifice, if spouting velocity is very fast, then successively the distance between the material of ejection can be longer, the distance of drawing back is bigger, so also will be thinner, so can make the material of ejection all around and the material of center ejection form the identical spheric granules of diameter according to the different-diameter size of certain regular well-designed spray orifice.
The another kind of improved procedure of shower nozzle.Jet face thickness is even, but described jet face has and comprise outer hole and the two-part spray orifice of endoporus, and described outer bore dia is identical, and described diameter of bore is identical, and diameter of bore is greater than outer bore dia, in the jet face middle part hole depth gradual change greater than around in hole depth.Each spray orifice that is jet face has been divided into the outer hole that is positioned at the outside and has been positioned at inboard endoporus, and fused materials is the process endoporus earlier, and then through the ejection of outer hole.The outer bore dia of each spray orifice all is identical, the diameter of bore of each spray orifice also is identical, diameter of bore is greater than outer bore dia, and in the jet face middle part hole depth gradual change greater than around in hole depth, cause from the endoporus of the fused materials process of jet face middle part ejection longer, the outer hole of process is shorter, and the endoporus of the fused materials process of ejection is shorter around the jet face, and the outer hole of process is longer.Because diameter of bore is greater than outer bore dia, so the material of middle part ejection will stand less resistance, the speed after the ejection is faster, so jet length is farther, the material of ejection has stood bigger resistance as a same reason, and ejection back speed is slower, so jet length is nearer.So the ejection melt granules more difficult bump bonding.
Also has improved design for shower nozzle with endoporus and outer hole.Jet face thickness is even, but described jet face has and comprises outer hole and the two-part spray orifice of endoporus, and described outer bore dia is identical, and diameter of bore is greater than outer bore dia, the endoporus of spray orifice all is identical with the length in outer hole, but the diameter of bore gradual change of jet face middle part greater than around diameter of bore.Fused materials is earlier through endoporus, be ejected through outer hole again, though endoporus is identical with outer hole length, because the middle part diameter of bore is big, diameter of bore is little all around, so stand less resistance from the fused materials of middle part ejection, ejection back speed is faster, so jet length is far away, the fused materials of ejection stands bigger resistance all around as a same reason, ejection back speed is slower, so jet length is nearer.So the ejection melt granules more difficult bump bonding.
The shower nozzle of described spherical granules forming device can also be designed to, and described jet face is positioned at the outer convex surface of shower nozzle and is taper seat with the concave surface that is positioned at shower nozzle, or described convex surface is a sphere.The taper seat moulding is simple, processing easily, and also the spheric granules molding effect is better.
The feed head of described shower nozzle can be opened at the jet face middle part.
Described shower nozzle is that plastics, metal or pottery are made.The plastic nozzle handling ease, cost is low.The metal shower nozzle is durable.The pottery shower nozzle is high temperature resistant, can be used for the very high fused materials of freezing point, such as metal ball shaped particle; Also corrosion-resistant, such as the moulding that is used for urea granules.
Described pressue device can be the measurement gear pump, and its pressurization is stable, and can measure the fused materials flow, and quantification stability is accurate.
Spherical granules forming device of the present invention also can comprise following equipment:
Be arranged at the attemperating unit of pressue device adjusting melting material temperature before.When fused materials when melting material temperature is too high, attemperating unit can cool off material; When temperature was not high enough, attemperating unit can heat material.The temperature of adjusting fused materials is very important for the production efficiency and the quality of spheric granules moulding, because must the process that freely falling body falls, finish condensation from the material of shower nozzle ejection, can bond if fall into container, can not form spheric granules without condensation.If temperature is too low when arriving shower nozzle, then can't sprays, but also can stop up spray orifice from shower nozzle.So the temperature in the time of will entering pressue device to fused materials is regulated accurately, make the temperature of fused materials be higher than its freezing point temperature, but again can not be too high.
Be surrounded on the cooling tower of shower nozzle, cooling tower has ventilating opening.Fused materials is done the motion of freely falling body under the gravity effect after shower nozzle ejection, cooling tower pours into clean cold air from ventilating opening, the material of ejection is carried out air-cooled, accelerates the fused materials condensation rate, enhances productivity.In addition, because the jet face of shower nozzle upwards, moves upward the material of ejection, and then falls, form the curve movement of a parabolic shape, so cooling tower does not need to be De Taigao.Compare with the jet face setting downwards of shower nozzle, fused materials only needs shorter cooling tower just can finish Air-cooling Process.
The tunnel freezer of the spheric granules after the reception moulding, described tunnel freezer has ventilating opening, also has the stirring arm that spheric granules is further cooled off.The spheric granules that falls enters after the tunnel freezer, through the further blowing and/or the stirring of stirring arm, and after the clean chilled air cools that enters of the air vent of tunnel freezer, solidifies more thoroughly, has improved production efficiency.
Be arranged at the material container before the attemperating unit, if material can be in material container by, become molten condition, and then enter pressue device.
The present invention gets spherical granules forming device, flow process is simple, and it is with low cost, the melt granules of ejection is difficult for bumping bonding, grain forming is effective, the production efficiency height can be widely used in the situation of various hot melt state materials by shower nozzle after coagulation formation spheric granules, for example stearic acid, fixed oil, paraffin, single acid anhydride ester and urea etc.
Description of drawings
Fig. 1 is the system diagram of a kind of embodiment of spherical granules forming device of the present invention;
Fig. 2 is the sectional view of first embodiment of the shower nozzle of spherical granules forming device of the present invention;
Fig. 3 is the sectional view of second embodiment of the shower nozzle of spherical granules forming device of the present invention;
Fig. 4 is the sectional view of the 3rd embodiment of the shower nozzle of spherical granules forming device of the present invention;
Fig. 5 is the sectional view of the 4th embodiment of the shower nozzle of spherical granules forming device of the present invention;
Fig. 6 is the system diagram of another embodiment of spherical granules forming device of the present invention;
Fig. 7 is the interior rate curve schematic diagram of the pipe-line of spherical granules forming device of the present invention.
The specific embodiment
Accompanying drawings the specific embodiment of the present invention.
As shown in Figure 1, spherical granules forming device of the present invention comprises pressue device 3 and shower nozzle 4, and the pipeline that connects both, after pressurized device 3 pressurizations of fused materials, by the ejection of pipeline from shower nozzle 4.
Fig. 1, a kind of embodiment of spherical granules forming device of the present invention, concrete enforcement can also have following equipment, material container 1, attemperating unit 2, cooling tower 5 and tunnel freezer 6.Material is heated in material container 1, temperature by attemperating unit 2 control fused materials, again through spraying by shower nozzle 4 after pressue device 3 pressurizations, the melt granules of ejection carries out the movement of falling object in cooling tower 5, the clean chilled air cools that the ventilating opening 51 of tower 5 of being cooled is blown into, fall into tunnel freezer 6, further cool off, become the spheric granules of finished product through the clean cold air that stirring arm 62 stirs and the ventilating opening 61 of tunnel freezer 6 is blown into.
Fig. 1, the jet face 41 of shower nozzle 4 of the present invention up, and jet face 41 middle part projectioies.Described jet face 41 promptly is the side that shower nozzle 4 has spray orifice 413.
Fig. 7 be fused materials at ducted flowing velocity schematic diagram, long arrow is represented faster speed, visible speed near tube wall is slow, the speed that is positioned at pipeline center is fast.With reference to Fig. 2-Fig. 4, when jet face 41 ejection fused materials, because of jet face 41 middle parts 4111 projectioies, the material of ejection is to 4112 diffusions all around, the fused materials speed of jet face 41 middle parts ejection is faster, the fused materials jet length of middle part 4111 ejections is farther, can not bump with the fused materials of 4112 ejections around the jet face 41.Pressue device 3 makes the fused materials speed of ejection faster for the pressure of fused materials, and jet length is farther, the melt granules of ejection is more difficult bump bonding.
Fig. 2, among the another kind of embodiment of spherical granules forming device of the present invention, 4112 thicken than middle part 4111 gradual changes around the jet face of described shower nozzle 4 41, and 413 diameters of spray orifice are all identical.
Fig. 3, among another embodiment of spherical granules forming device of the present invention, described shower nozzle 4 jet faces 41 have and comprise outer hole 4131 and endoporus 4132 two-part spray orifices 413, described outer hole 4131 diameters are identical, described endoporus 4132 diameters are identical, endoporus 4132 diameters are greater than outer hole 4131 diameters, jet face 41 near the degree of depth gradual change of the endoporus 4132 at middle part 4111 greater than near around the degree of depth of 4112 endoporus 4132.
Fig. 4, distortion as last a kind of embodiment, described jet face 41 has and comprises outer hole 4131 and endoporus 4132 two-part spray orifices 413, described outer hole 4131 diameters are identical, endoporus 4132 diameters are greater than outer hole 4131 diameters, near the Diameter Gradual Change of the endoporus 4132 at jet face 41 middle parts 4111 greater than near around the diameter of 4112 endoporus 4132.
Fig. 2-Fig. 4 all as seen, the concave surface 412 that described jet face 41 is positioned at the outer convex surface of shower nozzle 411 and is positioned at shower nozzle is taper seat.
Among the another kind of embodiment, as Fig. 5, the feed head of described shower nozzle 4 is opened the position at jet face 41 middle parts 4111.Fig. 6 is for adopting the spherical granules forming device system diagram of this kind shower nozzle 4, and fused materials delivers into shower nozzle 4 from top to bottom, can increase the flowing velocity of material by gravity, saves power.
Certainly, the charging aperture of shower nozzle 4 can also be opened in the side of shower nozzle 4, also can be opened in other positions of jet face 41, also can be opened in the optional position at shower nozzle 4 back sides, can be for carrying out different designs under the different situations.Simultaneously, can also not offer spray orifice 413 in some position of jet face 41, in order to avoid the solid accumulation of ejection is on charging line at different situations.The described back side refers to the opposite side with respect to jet face.
Above disclosed only is the preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.

Claims (6)

1. the spherical granules forming device that is used for fused materials comprises pressue device and shower nozzle, and the pressurized device pressurization of fused materials back is from the shower nozzle ejection, and feature is: the jet face of described shower nozzle thickens than middle part gradual change around the described jet face up.
2. spherical granules forming device as claimed in claim 1, feature is: it is taper seat or sphere that described jet face is positioned at the outer convex surface of shower nozzle.
3. spherical granules forming device as claimed in claim 1, feature is: described pressue device is the measurement gear pump.
4. spherical granules forming device as claimed in claim 1, feature is: also comprise the attemperating unit that is arranged at pressue device adjusting melting material temperature before, be surrounded on the cooling tower of shower nozzle, receive the tunnel freezer of spheric granules and be arranged at attemperating unit material container before; Described cooling tower has ventilating opening; Described tunnel freezer has ventilating opening, also has the stirring arm that spheric granules is further cooled off.
5. spherical granules forming device as claimed in claim 1, feature is: the feed head of described shower nozzle is opened the jet face at shower nozzle, the side of shower nozzle or the back side of shower nozzle.
6. spherical granules forming device as claimed in claim 1, feature is: described shower nozzle is that plastics, metal or pottery are made.
CN2008101985185A 2008-09-12 2008-09-12 Spherical granules forming device Expired - Fee Related CN101362064B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2008101985185A CN101362064B (en) 2008-09-12 2008-09-12 Spherical granules forming device

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CN101362064B true CN101362064B (en) 2010-06-02

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106416938B (en) * 2016-10-11 2022-08-23 榆林学院 Double-control flower watering device with novel spray head
CN111073607B (en) * 2020-03-05 2023-12-12 郑州轻工业大学 Phase-change sphere preparation system and control method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1907553A (en) * 2006-07-20 2007-02-07 厦门大学 Method for preparing microsphere with nitrogen aid and apparatus thereof
CN101274244A (en) * 2008-03-24 2008-10-01 周建 Ball shaped 3,3'-dichloro-4,4'-diaminodiphenylmethane (MOCA), preparation and equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1907553A (en) * 2006-07-20 2007-02-07 厦门大学 Method for preparing microsphere with nitrogen aid and apparatus thereof
CN101274244A (en) * 2008-03-24 2008-10-01 周建 Ball shaped 3,3'-dichloro-4,4'-diaminodiphenylmethane (MOCA), preparation and equipment

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Assignee: KEVIN FOOD CO., LTD.

Assignor: Zhou Jianye

Contract record no.: 2012440000185

Denomination of invention: Spherical granules forming device

Granted publication date: 20100602

License type: Exclusive License

Open date: 20090211

Record date: 20120417

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100602

Termination date: 20150912

EXPY Termination of patent right or utility model