CN203724807U

CN203724807U - Seed tank

Info

Publication number: CN203724807U
Application number: CN201420010208.7U
Authority: CN
Inventors: 姜向前
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-08
Filing date: 2014-01-08
Publication date: 2014-07-23
Anticipated expiration: 2024-01-08

Abstract

The utility model discloses a seed tank. The seed tank comprises a tank body and a stirring paddle, wherein the tank body is arranged vertically; the stirring paddle is erected in the tank body in a suspension manner; a blade of the stirring paddle is arc-shaped. The seed tank has the advantages that (1) a crystal nucleus is easily formed by liquid glucose under a vacuum state and the nucleus forming speed is accelerated; (2) nucleus formation is cooperated by ultrasounds so that the quantity of the crystal nucleus is easy to control; the viscosity of saturated liquid glucose is reduced; meanwhile, the quality of the crystal nucleus is promoted to be greatly improved; the use amount of seed crystals is reduced and the cost is saved; (3) an arc-shaped stirring paddle device does 15-45 frequency conversion rotation so as to ensure that a newly-generated crystal nucleus is not crushed; meanwhile, the liquid glucose generates air bubbles so as to be good for reducing the interface energy and the new crystal nucleus becomes stable; (4) the intelligent configuration improves the productivity and the economic benefits of enterprises is increased.

Description

Seeding tank

Technical field

The utility model relates to culture tank technical field, especially a kind of seeding tank that is applicable to the liquid glucoses such as sucrose, glucose, fructose, maltose, xylitol, sorbierite and becomes nucleus.

Background technology

Nucleus is small crystal particles newly-generated in supersaturated sugar solution, is the requisite core of crystal growing process.At present, crystal sugar industry both at home and abroad, numerous enterprises, all adopts evaporation technique, utilizes secondary nucleation process to obtain nucleus.The problems such as traditional in sucrose, glucose etc. crystal seed equipment and nucleation method, still exist nucleation rate, that nucleus number is difficult to control cycle is long, and also abundant not to the utmost to the consideration of nucleation principle, causes unstable product quality, and energy input is large.In recent years, people to the understanding of liquid glucose crystallization nucleation process almost rest on always some intuitively in thermodynamics aspect (as temperature, sugar concentration, crystal seed addition etc.), and liquid glucose crystallization nucleation dynamics research is almost stagnated, pay close attention to liquid glucose crystallization nucleation process control equipment technology and explore, study all the more so.

Utility model content

The utility model, for the deficiencies in the prior art, proposes a kind of seeding tank, can greatly improve nucleation probability and speed, and nucleus shapeliness, and nucleus number is easily controlled, and crystal seed input amount is little, energy-saving and cost-reducing, guarantees to improve end product quality stability simultaneously.

In order to realize above-mentioned utility model object, the utility model provides following technical scheme: a kind of seeding tank, comprise tank body and paddle, and described tank body is vertical setting, described paddle top suspension is erected in described tank body; The blade of described paddle is arc.

Preferably, the conical end socket of described tank body at the bottom of by the ellipsoidal head of upper top, middle cylindrical tube and tank is tightly connected and forms.

Preferably, described blade is provided with three groups, and every group is made up of three equally distributed blades.

Preferably, described tank wall is provided with chuck, and this chuck outer wall is provided with ultrasonic unit.

Preferably, described tank body top is provided with extraction opening.

Preferably, described tank body top is provided with discharging opening, and bottom is provided with charging aperture.

Preferably, described chuck upper end is provided with water inlet, and lower end is provided with delivery port.

Preferably, the rotating speed of described paddle is 15～45 revs/min.

Preferably, the arc of described three groups of blades and the angle of its Plane of rotation are respectively 38 °, 41 ° and 45 °.

Preferably, the rotating diameter of described three groups of blades is followed successively by 2400mm, 1800mm and 1200mm from top to bottom.

Compared with prior art, the utlity model has following advantage:

1, the vacuum extraction opening on the ellipsoidal head of tank body top, is to control liquid glucose in range of instability, and spontaneous nucleation and nucleus growth, improve nucleation rate greatly, reduces energy consumption simultaneously.

2, three groups of different angles of camber paddle, diameter coaxial configuration, coordinate with 15～45 rotating speeds.Impel and promote the solid variation acceleration of liquid one floating in liquid glucose equilibrium concentration, and guarantee that fragmentation can not occur nucleus, meanwhile, can produce bubble, contribute to reduce interfacial energy, make newly-generated nucleus particle become comparatively stable, continued to grow up for nucleus.

3, the collaborative nucleation of configuration ultrasonic unit, promotes supersaturated sugar solution reduced viscosity, is conducive to nucleus number and easily controls.The nucleus shapeliness producing, size is even, and crystal seed input amount is little, cost-saving simultaneously.

4, cylindrical shell upper end discharging opening, because high-quality nucleus forms numerous suspended states that are in, so, after discharging, be conducive to next step crystal growth, can reach best desirable liquid glucose nucleating effect.It is the seeding tank device of the industrial the best of crystal sugar, and technological precedence similar products at home and abroad 20 years is simple in structure, easy to operate.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in detail, the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.

A kind of seeding tank as shown in Figure 1, comprises tank body 1 and arc paddle 2; Tank body 1 comprises that a top is oval-shaped end socket, and centre is cylindrical tube, the end socket that pot bottom is circular cone.The cylinder body outer wall of tank body 1 and pot bottom outer wall are all provided with telescopic chuck 6.

Described arc paddle 2 is arranged in tank body 1 for top suspension, and its axle 28 is solid construction.Arc blade 27 is three groups, and every group is trilobal formula structure; Every group of blade angle is 38 ° of ∠, 41 ° of ∠, 45 ° of ∠.

On the outer wall of chuck 6, be made as multiple ultrasonic units 117; On tank body 1 top circular arc closing end, establish an energy-saving structure and intelligentized vacuum extraction opening 38.At the bottom of tank, be provided with charging aperture 18, cylindrical shell upper end is provided with discharging opening 29, and the water inlet 201 of described cooling water jecket 6 is located at cylindrical shell upper end, at the bottom of delivery port 220 is located at tank.

Drive arc paddle 2 by motor 9, open vacuum extraction opening 38 simultaneously, charging aperture 18 material in succession, flowed out by discharging opening 29, then, cooling water inlet 201 connects cooling water pipeline, by chuck 6, flowed out by coolant outlet 220, and start ultrasonic unit 117.

1, ellipse head form is pressed on this shelf jar body exterior design top, its objective is and makes liquid glucose in tank body keep stability under uniform temperature, pressure, reduces band sugar while drawing gas, has amount of stored heat effect simultaneously, guarantees saturated liquid glucose quality.Middle cylinder is made as cylindrical, and its object is liquid glucose container.Bottom is made as circular cone end socket form, and main purpose is to solve in liquid glucose nucleation process to produce at any time large size nucleus, can be deposited in bottom because of after stirring.Then, by charging aperture 18, just enter tank sugar material temperature degree higher, made large size nucleus again dissolve mixing, be conducive to liquid glucose degree of supersaturation balance in tank.

2, according to thermodynamic principles, top is provided with vacuum extraction opening 38, its objective is the waste heat utilizing after liquid glucose evaporation, adopt flash evaporation technology technique, impel liquid glucose cooling, then, material enters vacuum environment state, and, under the effect of cooperatively interacting of cooling water in chuck, control liquid glucose degree of supersaturation unstable region, the problem mainly solving is to improve nucleation probability and speed simultaneously, and, under vacuum state, be conducive to the new nucleus growth producing, and, energy consumption reduced.

3, arc-shaped leaf structural design: according to nucleation kinetics in conjunction with fluid dynamic principle, adopt three leaf arc form structures, the paddle comprehensively becoming with three kinds of angles (respectively at 38 ° of ∠, 41 ° of ∠, 45 ° of ∠) with three groups of different-diameters (being followed successively by 2400mm, 1800mm and 1200mm from top to bottom), its main purpose is that the problem solving is to promote liquid glucose mobility, promote liquid glucose to produce bubble, be conducive to reduce interfacial energy, guarantee to improve nucleus quality.

4, arc paddle structure, adopts 15～45 frequency conversion rotating speeds, and main purpose is to guarantee that fragmentation can not occur nucleus, makes the high-quality nucleus floating suspending in liquid glucose simultaneously.

5, this device adopts the form of underfeed and top discharging structure, its objective is as follow-up crystal growth, and high-quality nucleus is provided, and guarantees the quality stability of final products, improves Business Economic Benefit simultaneously.

6, this device adopts the collaborative nucleation of ultrasonic wave configuration, and the problem mainly solving is to reduce supersaturated sugar solution viscosity, and nucleus number is easily controlled, under hyperacoustic mechanical dispersion, cavitation effect effect, make newly-generated nucleus be difficult for assembling simultaneously, and, the nucleus shapeliness that produces, size evenly.And crystal seed use amount reduces, cost-saving.

7, according to cooling water temperature and liquid glucose temperature lowering curve, with parameters such as cooling water and the simultaneously comprehensive rotating speed of agitator of liquid glucose flow, be designed to intelligent integral in conjunction with vacuum, automatically to control with DCS system, this configuration improves the intelligent production function of device greatly.

Claims

1. a seeding tank, is characterized in that: comprise tank body and paddle, described tank body is vertical setting, and described paddle top suspension is erected in described tank body; The blade of described paddle is arc.

2. seeding tank as claimed in claim 1, is characterized in that: the conical end socket of described tank body at the bottom of by the ellipsoidal head of upper top, middle cylindrical tube and tank is tightly connected and forms.

3. seeding tank as claimed in claim 1 or 2, is characterized in that: described blade is provided with three groups, every group is made up of three equally distributed blades.

4. seeding tank as claimed in claim 2, is characterized in that: described tank wall is provided with chuck, this chuck outer wall is provided with ultrasonic unit.

5. seeding tank as claimed in claim 1, is characterized in that: described tank body top is provided with extraction opening.

6. seeding tank as claimed in claim 4, is characterized in that: described tank body top is provided with discharging opening, and bottom is provided with charging aperture.

7. seeding tank as claimed in claim 6, is characterized in that: described chuck upper end is provided with water inlet, and lower end is provided with delivery port.

8. seeding tank as claimed in claim 1, is characterized in that: the rotating speed of described paddle is 15～45 revs/min.

9. seeding tank as claimed in claim 3, is characterized in that: the arc of described three groups of blades and the angle of its Plane of rotation are respectively 38 °, 41 ° and 45 °.

10. seeding tank as claimed in claim 3, is characterized in that: the rotating diameter of described three groups of blades is followed successively by 2400mm, 1800mm and 1200mm from top to bottom.