CN202169148U - Stirrer - Google Patents

Abstract

The utility model discloses a stirrer, which comprises a stirring shaft and a stirring blade fixed to the stirring shaft; and the stirring blade is divided into three layers. The lower surface of the stirring blade of the upper layer is a plane, the upper surface of the stirring blade of the middle layer is a polygonal geometry, and the upper surface of the stirring blade of the lower layer is a V-shaped structure. The mixed solution is pressed down by the stirring blade of the upper layer to promote the solution to be fully mixed with the upturned solution; the solution can be stirred in upturning and pushing way by the stirring blade of the middle layer to form turbulent flow on different levels so as to fully mix a precipitator with the solution; part of the non completely reacted precipitator is fully mixed with the solution at the bottom of a cone body of a deironing reaction kettle by the stirring blade on the lower layer to effectively prevent pipeline blockage phenomenon caused by reactant deposition, thereby effectively improving deironing efficiency.

Description

A kind of agitator

Technical field

The utility model relates to a kind of agitator, relates in particular to the used agitator of chemical precipitation method deironing in the sodium sulfite crystallization process.

Background technology

In the prior art; The agitator that uses in the sodium sulfite crystallization process is the dull and stereotyped agitator of single-blade; Because this kind agitator can only form stable laminar flow with solution, can not make solution form turbulent flow, cause the precipitating reagent that is added fully not mix and reach the purpose of complete reaction with solution.So not only can cause reactant deposits at the bottom of the still and stop up the fluid pipeline, have a strong impact on production; Also can cause the increase of reactant consumption, the reduction of de-ferrous effect, finally cause in the sodium sulfite crystallization iron content to exceed standard and do not meet national standard, have a strong impact on economic benefit of enterprises and social benefit.

The utility model content

The purpose of the utility model is exactly the deficiency to prior art, provides a kind of reactant that can make fully to mix with solution, can improve the agitator of de-ironing efficiency again.

Above-mentioned purpose realizes through following proposal:

A kind of agitator, it comprises shaft and is fixed in the stirring vane on the shaft, the end connection reductor of said shaft, it is characterized in that: said stirring vane is divided into three layers.

Agitator according to above-mentioned is characterized in that: being the plane below the upper strata stirring vane in said three layers of agitator, is many faceted pebbles solid above the stirring vane of middle level, V-shaped above lower floor's stirring vane.

The beneficial effect of the utility model: the paddle of the agitator of the utility model is divided into three layers, and the upper strata stirring vane presses down mixed solution, impel solution and on the abundant hybrid reaction of solution of turning over; The middle level stirring vane can carry out the pusher stirring of upper-turn-type to solution, makes solution on different aspects, form turbulent flow, and precipitating reagent is fully mixed with solution; Lower floor's stirring vane make the part unreacted completely precipitating reagent fully mix with solution at deironing agitated reactor cone base, effectively prevent the line clogging phenomenon that causes because of reactant deposits from effectively to improve de-ironing efficiency.

Description of drawings

Fig. 1 is the structural representation of utility model;

Fig. 2 is the structural representation of upper strata stirring vane;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is the structural representation of middle level stirring vane;

Fig. 5 is the vertical view of Fig. 4;

Fig. 6 is the structural representation of lower floor's stirring vane;

Fig. 7 is the vertical view of Fig. 6.

The specific embodiment

As shown in Figure 1, a kind of agitator of the utility model is arranged in the agitated reactor 1, and this agitator comprises shaft 2, is fixed in the stirring vane of shaft 2; Shaft 2 is connected with reductor 6, and stirring vane is three layers.

Referring to Fig. 2 and Fig. 3, be the plane below the upper strata stirring vane 3; Referring to Fig. 4 and Fig. 5: being many faceted pebbles solid above the middle level stirring vane 4, is two faces above the stirring vane of middle level shown in the present embodiment 4; Referring to Fig. 6 and Fig. 7: V-shaped above lower floor's stirring vane 5.

Upper strata stirring vane 3 presses down mixed solution, impel solution and on the abundant hybrid reaction of solution of turning over; Middle level stirring vane 4 can carry out the pusher stirring of upper-turn-type to solution, makes solution on different aspects, form turbulent flow, and precipitating reagent is fully mixed with solution; Lower floor's stirring vane 5 make the part unreacted completely precipitating reagent fully mix with solution at deironing agitated reactor cone base, effectively prevent the line clogging phenomenon that causes because of reactant deposits from effectively to improve de-ironing efficiency.

Claims (2)

1. agitator, it comprises shaft and is fixed in the stirring vane on the shaft, and an end of said shaft connects reductor, and it is characterized in that: said stirring vane is divided into three layers.

2. agitator according to claim 1 is characterized in that: being the plane below the upper strata stirring vane in said three layers of agitator, is many faceted pebbles solid above the stirring vane of middle level, V-shaped above lower floor's stirring vane.

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