CN2774628Y

CN2774628Y - Polygonal column shape multiple stirrer reactor

Info

Publication number: CN2774628Y
Application number: CN 200520069716
Authority: CN
Inventors: 张继民; 洪厚胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-10
Filing date: 2005-03-10
Publication date: 2006-04-26
Anticipated expiration: 2015-03-10

Abstract

A polygonal column shaped multiple stirrer reactor belongs to the technical field of chemical equipment, which comprises s shell body, a feed inlet, a discharge outlet, an electric machine and a transmission drive device. The shape of the horizontal cross section of the reactor is a regular n-gon with round angles, and n stirrers which are uniformly arranged in the reactor are respectively arranged on the centers of circle of n round angles, wherein n is larger than or equal to three and n is also smaller than or equal to six. The utility model solves problems and defects existing in the prior art. The utility model has the advantages that the occurrence of the phenomenon of integral rotation of materials is avoided, the number of parts in the reactor is decreased, dead corners in the utility model are reduced and the stirring and mixing capability of the reactor is enhanced.

Description

Polygon many agitating devices of cylindricality reactor

Technical field

The utility model belongs to the chemical industry equipment field, relates to a kind of reactor, more specifically to a kind of polygon many agitating devices of cylindricality reactor.

Background technology

The cross section of the reactor that traditional band mixes all is circular, general installation one or one group of agitator in the reactor.Because single agitator is subjected to the restriction of aspects such as power, material, working ability, its size and stirring capacity are limited, thereby have limited the expansion of cylindrical reactor; Simultaneously because unitary rotation can take place in the liquid phase material of hydrostatic column, cause the system incomplete mixing, the unitary rotation that baffle plate can prevent that just this liquid from flowing need be installed on container inner wall, because the existence of baffle plate, liquid stream produces effect of impact and consumes a large amount of kinetic energy at container edge; Also can there be the dead angle in baffle plate and brings other problem in addition, has so not only increased equipment, investment, energy consumption, manpower, and production efficiency also reduces greatly.

Summary of the invention

The purpose of this utility model provides a kind of polygon many agitating devices of cylindricality reactor, it has solved above-mentioned problems of the prior art and deficiency, avoided material generation unitary rotation phenomenon, reduced the quantity of inside reactor spare, reduce the device interior dead angle, thereby increased the ability that mixes of reactor greatly.

The utility model is achieved through the following technical solutions:

Polygon many agitating devices of cylindricality reactor of the present utility model, include housing, charging aperture, discharge port, motor and transmission drive, the horizontal cross sectional geometry of reactor is the positive n limit shape of band fillet, inside reactor evenly is equipped with n agitating device, n agitating device is contained in respectively on the center of circle of n fillet, wherein 3≤n≤6.

Polygon many agitating devices of cylindricality reactor of the present utility model is that horizontal cross sectional geometry is the equilateral triangle of band fillet, and inside reactor is equipped with 3 agitating devices, and 3 agitating devices are contained in respectively on the center of circle of 3 fillets.

Polygon many agitating devices of cylindricality reactor of the present utility model is that horizontal cross sectional geometry is the square of band fillet, and inside reactor is equipped with 4 agitating devices, and 4 agitating devices are contained in respectively on the center of circle of 4 fillets.

The agitating device of polygon many agitating devices of cylindricality reactor of the present utility model is a kind of or its combination of mechanical type, air-flowing type, liquid streaming; Described mechanical type agitating device is oar blade type or turbine type; Described air-flowing type or liquid streaming agitating device are radial flow or slipstream; Described mechanical type, air-flowing type or liquid streaming agitating device are individual layer, bilayer or 3～6 layers; The frame for movement of the mechanical type agitating device in the same reactor more than two or two, direction of rotation and rotation rotating speed are identical or inequality; The air-flowing type in the same reactor more than two or two or frame for movement, the flow direction and the flow velocity of liquid streaming agitating device are identical or inequality.

The beneficial effects of the utility model are:

Polygon many agitating devices of cylindricality reactor of the present utility model is suitable for equipping many group agitators, n prism reactor is suitable for equipping n group agitator, reactor can not equipped baffle plate also can make liquid phase be easy to mix, avoid material generation unitary rotation phenomenon, reduced the quantity of inside reactor spare simultaneously, reduced the device interior dead angle, thereby increased the ability that mixes of reactor greatly, energy consumption and cost have been reduced, applicable to high-viscosity material, enlarge the volume and the capacity of reactor at double, can be widely used in Chemical Engineering, bioengineering, pharmaceutical engineering, sizing mixing in food engineering and the environment-friendly engineering, mix, preparation and processing, can make the production technology in these fields bring change, and can design large-scale reactor on this basis, be used for more massive industrial production.

Description of drawings

Fig. 1 is the structure of reactor schematic diagram of horizontal cross sectional geometry for the equilateral triangle of band fillet

Fig. 2 is the sectional view of horizontal cross sectional geometry for the equilateral triangle of band fillet

Fig. 3 is the foursquare structure of reactor schematic diagram of horizontal cross sectional geometry for the band fillet

Fig. 4 is the foursquare sectional view of horizontal cross sectional geometry for the band fillet

Among the figure: 1 is No. 1 agitating device, and 2 is No. 2 agitating devices, and 3 is No. 3 agitating devices, and 4 is No. 4 agitating devices, and 5 is the 1st layer of stirring arm, and 6 is the 2nd layer of stirring arm, and 7 is the 3rd layer of stirring arm

The specific embodiment

Embodiment 1

As shown in Figure 1 and Figure 2, a kind of polygon many agitating devices of cylindricality reactor of the present utility model, its reactor cross section is shaped as the equilateral triangle of band fillet, and it is 400mm that triangle extends the length of side, and radius of corner is 80mm, the tank body height is 300mm, equip three groups of agitating devices, three groups of agitating devices are three layers, adopt flat leaf paddle, diameter of propeller blade is 100mm, and three groups of paddles adopt same direction of rotation.The rotating speed of three groups of agitating devices is adjustable in 10～500r/min scope respectively.

With this reactor made xanthan gum solution, under the condition of normal temperature (20 ℃), add water 8L, start three groups of agitators simultaneously, No. 1 agitator speed is 250r/min, No. 2 is 180r/min with No. 3 agitator speeds, adds 400g xanthans dry powder, does not stop to stir, xanthans fully dissolved in the time of 20 minutes, form the glue system of homogeneous, gelatin viscosity reaches 18000cP (NDJ-1 type viscosimeter, No. 3 rotors) does not have caking and hydro-planing.

Embodiment 2

As shown in Figure 3, Figure 4, a kind of polygon many agitating devices of cylindricality reactor of the present utility model, its reactor cross section is shaped as the square of band fillet, and it is 260mm that square extends the length of side, and radius of corner is 80mm, the tank body height is 300mm, adopt four groups of agitating devices, four groups of agitating devices are three layers, adopt the leaf paddle of arrow, diameter of propeller blade is 100mm, and four groups of paddles adopt different direction of rotation.The rotating speed of four groups of agitating devices is adjustable in 10～500r/min scope respectively.

With this reactor made sesbania gum solution, under the condition of normal temperature (20 ℃), add water 10L, start two groups of agitators simultaneously, turn clockwise with No. 4 agitators for No. 1, rotating speed is 160r/min, be rotated counterclockwise with No. 3 agitators for No. 2, rotating speed is 100r/min, adds 1000g sesbania gum dry powder, do not stop to stir, sesbania gum was fully dissolved in the time of 20 minutes, formed the glue system of homogeneous, and gelatin viscosity reaches 8000cP (NDJ-1 type viscosimeter, No. 3 rotors), there are not caking and hydro-planing.

Claims

1, a kind of polygon many agitating devices of cylindricality reactor, include housing, charging aperture, discharge port, motor and transmission drive, it is characterized in that the positive n limit shape of the horizontal cross sectional geometry of reactor for the band fillet, inside reactor evenly is equipped with n agitating device, n agitating device is contained in respectively on the center of circle of n fillet, wherein 3≤n≤6.

2, polygon many agitating devices of cylindricality reactor according to claim 1 is characterized in that the equilateral triangle of the horizontal cross sectional geometry of reactor for the band fillet, and inside reactor is equipped with 3 agitating devices, and 3 agitating devices are contained in respectively on the center of circle of 3 fillets.

3, polygon many agitating devices of cylindricality reactor according to claim 1 is characterized in that the square of the horizontal cross sectional geometry of reactor for the band fillet, and inside reactor is equipped with 4 agitating devices, and 4 agitating devices are contained in respectively on the center of circle of 4 fillets.

4,, it is characterized in that described agitating device is a kind of or its combination of mechanical type, air-flowing type, liquid streaming according to claim 1,2 or 3 described polygon many agitating devices of cylindricality reactors.

5, polygon many agitating devices of cylindricality reactor according to claim 4 is characterized in that described mechanical type agitating device is oar blade type or turbine type.

6, polygon many agitating devices of cylindricality reactor according to claim 4 is characterized in that described air-flowing type or liquid streaming agitating device are radial flow or slipstream.

7, polygon many agitating devices of cylindricality reactor according to claim 4 is characterized in that described mechanical type, air-flowing type or liquid streaming agitating device are individual layer, bilayer or 3～6 layers.

8, polygon many agitating devices of cylindricality reactor according to claim 5 is characterized in that frame for movement, direction of rotation and the rotation rotating speed of the mechanical type agitating device more than two or two in the same reactor is identical or inequality.

9, polygon many agitating devices of cylindricality reactor according to claim 6 is characterized in that frame for movement, the flow direction and the flow velocity of air-flowing type more than two or two in the same reactor or liquid streaming agitating device is identical or inequality.