CN203842543U - Plate-type stirring vane and glass lining stirrer - Google Patents

Abstract

The utility model discloses a plate-type stirring vane and a glass lining stirrer. The plate-type stirring vane comprises a stirring shaft, a first vane and a second vane, wherein the first vane comprises a first horizontal plate, a second horizontal plate and a vertical plate; the second vane comprises an upper connection plate, a lower connection plate and a vertical plate; an included angle between the first vane and the second vane is 30-90 degrees; the distance between the first vane and the second vane is 0.05-0.2 time the diameter of a stirring container for mounting the stirring vane; the stirrer comprises a stirrer container and the stirring vane which is mounted in the stirrer container. The plate-type stirring vane has the beneficial effects that the upper vane and the lower vane facilitate the formation of vertical circulation flows; by virtue of grids spaced by vertical isolation plates, the flowing property and the shearing effect of the intermediate flow in the stirring container are improved; by virtue of folded edges, the discharge amount of radial flow is increased.

Description

A kind of board-like stirring vane and enamel glass stirrer

Technical field

The utility model relates to a kind of board-like stirring vane and comprises the enamel glass stirrer of this blade.

Background technology

Enamel glass stirrer comprises anchor formula, frame, oar formula and impeller-type stirrer at present, and agitator of the prior art need to, according to the needs of working media, can only be selected by HG/T2051 " enamel glass stirrer ".Oar formula and impeller-type stirrer are generally used for the stirring of low viscosity fluid, and anchor formula and gate stirrer are mainly used in the stirring of high viscosity fluid.But, the material system changing for viscosity, the enamel glass stirrer of existing standard can not remain good mixed effect.

Along with the technological progress of the industry such as petrochemical industry, medicine, agricultural chemicals and national defence, the condition of chemical reaction is more and more harsher, course of reaction becomes increasingly complex, the excursion of the physical-chemical parameters (such as viscosity, temperature, pressure etc.) is also more and more wider, relies on current agitator can not finely meet the needs of modern chemistry reaction.For example, in some course of reaction, when beginning, the viscosity of material is very low, be generally 0.02Pa.s left and right, but along with the viscosity of carrying out of reaction becomes increasing, more than when reaction finishes, the highest meeting reaches 10Pa.s, in the situation that this viscosity changes, traditional enamel glass stirrer just can not keep efficient mixed performance in whole course of reaction, even sometimes also can cause the increase of byproduct, have a strong impact on the quality of product and the safety of production.

Utility model content

The purpose of this utility model is, enamel glass stirrer can not remain good mixed effect and the shortcoming that must adopt pipe to manufacture when changing for material system viscosity in prior art, higher and stirring vane and the agitator that needn't adopt pipe to manufacture of mixing efficiency while providing a kind of viscosity in material system to change.The technical solution of the utility model is as follows:

A kind of board-like glass lined stirring blade, comprises shaft 1, the first blade 2 and the second blade 3;

Described the first blade 2 comprises that the first level board 21, the second level board 22 and the first vertical plate 23, the first level boards 21 are above the second level board 22; The first end of described the first level board 21 is connected to shaft 1 and the second end is connected to the first vertical plate 23; The first end of described the second level board 22 is connected to shaft 1 and the second end is connected to described the first vertical plate 23; Part under the second end of described the second level board 22 and the tie point of described the first vertical plate 23 is extension plate 25; Described the first level board 21, the second level board 22, the first vertical plate 23 and shaft 1 are at same plane, and this plane is made as face α;

Described the second blade 3 comprises upper junction plate 31, lower connecting plate 32 and the second vertical plate 33; The first end of described upper junction plate 31 and lower connecting plate 32 is connected to respectively described shaft 1, and the second end of described upper junction plate 31 and lower connecting plate 32 is connected with the two ends of described the second vertical plate 33 respectively; Described upper junction plate 31, lower connecting plate 32 and the second vertical plate 33 and shaft 1 are at same plane, and this plane is made as face β;

Angle between face α and face β is 30 degree to 90 degree;

If the distance between the first blade 2 and the second blade 3 is the distance d between axis and second level board 22 axis of upper junction plate 31; Under shaft 1 rotary state, the track that described the first blade 2 and the second blade 3 rotate forms drum, and the diameter of the radial section place circle of two drums is identical, is made as Φ 1; D is 0.05～0.2 times of Φ 1.

The edge of described the first blade 2 and/or the second blade 3 is provided with flanging 40;

For the first blade 2, flanging 40 is located at the outer rim of the first vertical plate 23; Flanging 40 place planes and face α angle are 30 to 60 degree, and flanging 40 points to reverse that the first blade 2 rotates;

For the second blade 3, flanging 40 is located at the outer rim of the second vertical plate 33; Flanging 40 place planes and face β angle are 30 to 60 degree, and flanging 40 points to reverse that the second blade 3 rotates.

In described the first blade 2, between the first level board 21 and the second level board 22, be also connected with at least one longitudinal division board 41; In described the second blade 3, between upper junction plate 31 and lower connecting plate 32, be also connected with at least one longitudinal division board 41.

Described the first blade 2 has one or more; Multiple the first blades 2 become axial symmetry around shaft, and they form blade;

Described the second blade 3 has one or more; Multiple the first blades 3 become axial symmetry around shaft, and they form lower blade.

The length of described extension plate 25 equals 0.1 to 0.25 times of Φ 1; The bottom of described extension plate 25 is circular shape.

A kind of enamel glass stirrer, comprises agitator vessel and above-mentioned stirring vane, and stirring vane is arranged in agitator vessel.

Under shaft 1 rotary state: the drum that the track that the first blade 2 rotates forms, the long-pending S1 that is made as of its axial cross section; The track that the second blade 3 rotates forms drum, the long-pending S2 that is made as of its axial cross section;

If the axial cross section of stirred vessel amasss as S3; S1 and S2 sum are S3 0.7 to 0.9 times;

If the diameter of stirred vessel radial section is Φ 2, Φ 1 is 0.6 to 0.8 times of Φ 2.

The shape of the bottom surface of the track formation drum that the second blade 3 rotates is corresponding with the inner wall shape of stirred vessel end socket.

The beneficial effect of the utility model stirring vane and enamel glass stirrer is: the ratio of vertical profile area that accounts for container due to the projected area on the vertical section of stirred vessel is large, not only be suitable for the operations such as solid-liquid, suspension and partial crystallization, be also suitable for the mass-transfer progress that liquid liquid mixes and gas is sucked from liquid level; Angle between upper and lower blade is 30～90 degree, impels and forms upper and lower circular flow, and the extension plate length of its prolongation of blade lower end is 0.1～0.25 times of stirrer diameter, has connected the mobilization of fluid between blade and lower blade.The grid that longitudinally division board is divided into, can increase mobile performance and the shear effect of stirred vessel central fluid, has also reduced power of agitator consumption.Angle between the plane at flanging 40 places and the plane at main part place is 30 degree to 60 degree, has increased the discharge of radiation stream.

Brief description of the drawings

Fig. 1 is the schematic perspective view of the board-like mixing arm of the utility model;

Fig. 2 is the front elevational schematic of the board-like mixing arm of the utility model;

Fig. 3 is the schematic top plan view of the board-like mixing arm of the utility model;

Fig. 4 is the schematic diagram of flanging angle in the board-like mixing arm of the utility model;

Fig. 5 is the schematic diagram that in the board-like mixing arm of the utility model, shaft is connected with upper and lower blade;

Fig. 6 is the front elevational schematic of blade in the board-like mixing arm of the utility model;

Fig. 7 is the front elevational schematic of lower blade in the board-like mixing arm of the utility model;

Fig. 8 is material viscosity the utility model agitator and MIG agitator, helix(ribbon type) agitator mixed performance appraisal curve in the time of two kinds of mixing of materials while being 0.8Pa.s;

Fig. 9 is material viscosity the utility model agitator and MIG agitator, helix(ribbon type) agitator mixed performance appraisal curve in the time of two kinds of mixing of materials while being 5Pa.s.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

Fig. 1-3 have shown the structural representation of board-like glass lined stirring blade of the present utility model, comprise shaft 1, blade and lower blade, and blade and lower blade are welded on respectively on shaft 1.Blade comprises that it is example that one or more the first blade 2(hereinafter adopt two the first blades), lower blade comprises that it is example that one or more the second blade 3(hereinafter adopt two the second blades).As described in detail below, shaft 1 adopts steel pipe manufacture, and blade and lower blade adopt enamel steel plate special (this steel plate special explanation sees below literary composition introduction) to manufacture, and are then welded to form with shaft.Drive shaft 1 to rotate by actuating unit, shaft 1 drives blade or lower blade rotation, realizes agitating function by the rotation of blade and lower blade.

Fig. 6 has shown the structural representation of the first blade 2, and the first blade comprises the first level board 21, the second level board 22 and the first vertical plate 23.The first end of the first level board 21 is connected with shaft 1, the second end of the first level board 21 is connected with the first vertical plate 23, the first end of the second level board 22 is connected with shaft 1, second saltout the second end of 22 is connected with the first vertical plate 23, and the two ends of the first vertical plate 23 are connected with the second end of the second level board 22 with the second end of the first level board 21 respectively.

The second level board 22 can be parallel with the first level board 21, also can angled (for example 5 degree), the first end of the first end of the second level board 22 and the first level board 21 keeps at a certain distance away and the second end of the second level board 22 and the second end of the first level board 21 also keep at a certain distance away, these two distances can equate also can be unequal, thereby the first straight plate 21, the first vertical plate 23 and the second level board 22 limit a grid, the fluid in the time stirring in agitator can flow through from grid.

The first blade also comprises extension plate 25, when extension plate 25 and the first vertical plate 23 are when one-body molded, extension plate 25 is prolongations of the first vertical plate 23, namely a plate is divided into two parts by the second end of the second level board 22 and the tie point of the first vertical plate 23: the first vertical plate 23 and extension plate 25, the part under tie point is extension plate 25.At an embodiment, extension plate 25 also can be used as independently parts and is connected to the first vertical plate 23.

Fig. 7 shows the structural representation of the second blade, and the second blade 3 comprises upper junction plate 31, lower connecting plate 32 and the second vertical plate 33, and this three part limits a grid, and the fluid in the time stirring in agitator can flow through from grid.The first end of upper junction plate 31 is connected to shaft 1 and the second end is connected to the top of the second vertical plate 33, the first end of lower connecting plate 32 is connected to shaft 1 and the second end is connected to the bottom of the second vertical plate 33, and the two ends of the second vertical plate 33 are connected with the second end of upper junction plate 31 and the second end of lower connecting plate 32 respectively.

In the time that the second blade 3 comprises extension plate, its structure be connected the structure of similar and extension plate in the first blade and be connected.In the time that the second blade 3 does not comprise extension plate, upper junction plate 31, lower connecting plate 32 and the second vertical plate 33 can be one-body molded.Certainly, upper junction plate 31, lower connecting plate 32 and the second vertical plate 33 also can be used as two or three independently part be connected.

In addition, the shape of the bottom of lower blade is corresponding with the shape of stirred vessel end socket.Instantly, when blade comprises two the second blades 3, the shape that the lower connecting plate 32 in two the second blades 3 forms is corresponding with the shape of stirred vessel end socket.In an example, the longitudinal profile of two lower connecting plates 32 is arc, and the shape of stirred vessel end socket is also arc, and this is conducive to the even mixing of bottom material.

In the first blade 2 and the second blade 3, also comprise respectively at least one longitudinal division board 41.In the first blade 2, longitudinally division board 41 is connected between the first level board 21 and the second level board 22.In the second blade 3, longitudinally division board 41 is connected between upper junction plate 31 and lower connecting plate 32.

In one embodiment, the first blade 2 comprises 1 longitudinal division board 41, in the time that the grid between shaft 1, the first level board 21, the second level board 22 and the first vertical plate 23 is rectangle, longitudinally the first blade 2 is divided into two little grids that area equates by division board 41, and two little grids are symmetrically distributed in the both sides of longitudinal division board 41; The second blade 2 also comprises 1 longitudinal division board 41, in the time that the grid between shaft 1, upper junction plate 31, lower connecting plate 32 and the second vertical plate 33 is rectangle, two little grids that longitudinally division board 41 equates the second blade 3 distribution areas, two little grids are symmetrically distributed in the both sides of longitudinal division board 41.Grid in blade and lower blade is rectangular grid, can increase mobile performance and the shear effect of stirred vessel central fluid, has also reduced power of agitator consumption.

As shown in Figure 4, at least one in the first blade 2 and the second blade 3 comprises flanging 40, and the utility model is preferably arranged on flanging 40 on lower blade (comprising two the second blades 3).The area of flanging 40 can be selected as required.In one embodiment, in the time that the first blade 2 comprises flanging 40, flanging 40 is parts of vertical portion 23; In the time that the second blade 3 comprises flanging 40, flanging 40 is parts of vertical portion 33.In another example, flanging 40 can be used as independent parts and is connected to the first blade 2 and the second blade 3.In the time that only lower blade comprises flanging 40, the width of flanging is 30～100 millimeters, and preferably 40 millimeters, length is the length of the second vertical plate 33.

Thereby, the first blade 2 or the second blade 3 can be divided into two parts: flanging 40 and the main part except flanging 40, angle between the plane at flanging 40 places and the plane at main part place (in the utility model also referred to as flanging inclination angle) is 30 degree to 60 degree, preferably 40 degree.Due to flanging inclination angle be 30 degree to 60 degree, thereby increased the discharge of radiation stream.

The first blade 2 and the second blade 3 can be one-body molded, also can be formed by multiple component combinations as described above.As described in detail below, the utility model stirring vane adopts the manufacture of enamel steel plate special, be easy to blade to carry out various cuttings, so preferably the first blade 2 and the second blade 3 are adopted to integrated manufacture, form grid as described above by cutting.

Fig. 5 has shown the schematic diagram that the first blade 2 is connected with shaft 1 respectively with the second blade 3.All parts in the utility model in the first blade 2 and the second blade 3 all in one plane.When installation, in one embodiment, the first blade 2 and the second blade 3 can be not tilt to install, and at this moment the angle of the axis of the first vertical plate 23 in the first blade 2 and shaft 1 between becoming is 0 degree, and the angle between the second vertical plate 33 and the axis of shaft 1 in the second blade 3 is 0 degree.In another embodiment, at least one in the first blade 2 and the second blade 3 can be angled with shaft 1, at this moment the first vertical plate 23 in the first blade 2 can be angled with the axis of shaft 1 (for example 5 degree are to 30 degree), and the second vertical plate 33 in the second blade 3 also can angled with the axis of shaft 1 (for example 5 degree be to 30 degree).

The quantity of the first blade 2 and the second blade 3 can be selected as required.For example, stirring vane can comprise respectively in one, two, three or more the first blades 2 and second this example of blade 3(adopt two).In one embodiment, comprise two the first blades 2 and two the second blades 3, two the first blades 2 lay respectively at the both sides of shaft 1 and point-blank (the angle between two the first blades 2 is 180 degree), and two the second blades 3 lay respectively at the both sides of shaft 1 and also point-blank (the angle between two the second blades 3 is 180 degree); Any one first blade 2 is 90 degree with the angle of any one the second blade 3, and blade (comprising two the first blades 2) is vertical with lower blade (comprising two the second blades 3).

Angle between the first blade 2 and the second blade 3 is any angle (0 degree to 360 degree), the utility model preferably 30 degree to 90 degree.This angle is upper junction plate 31 in the first level board 21 and the second blade 3 in the first blade 2 or the angle between lower connecting plate 32.Alternately, this angle is the angle between upper junction plate 31 or lower connecting plate 32 in the first level board 21 in the first blade 2 and the second blade 3.

Because the angle between blade and lower blade is 30 to 90 degree, form upper and lower circular flow to impel, the length of blade extension plate is 0.1～0.25 times of stirrer diameter, thereby plays the mobilization that connects fluid between upper and lower blade.

Distance between blade lower end and lower blade upper end: can select as required, this distance is the distance d between axis and second level board 22 axis of upper junction plate 31.The track that described the first blade 2 and the second blade 3 rotate forms drum, and the diameter of the radial section place circle of two drums is identical, is made as Φ 1; D is 0.05～0.2 times of Φ 1.In this example, the distance between the first blade 2 and the second blade 3 is 25mm.

Proportionate relationship between blade and stirred vessel: stirring vane is arranged in stirred vessel, under shaft 1 rotary state: the drum that the track that the first blade 2 rotates forms, the long-pending S1 that is made as of its axial cross section; The track that the second blade 3 rotates forms drum, the long-pending S2 that is made as of its axial cross section; If the axial cross section of stirred vessel amasss as S3; S1 and S2 sum are S3 0.7 to 0.9 times; If the diameter of stirred vessel radial section is Φ 2, Φ 1 is 0.6 to 0.8 times of Φ 2.

The length of described extension plate 25 equals 0.1 to 0.25 times of Φ 1; The bottom of described extension plate 25 is circular shape.

Adopt the enamel glass stirrer of above-mentioned stirring vane, comprise agitator vessel and above-mentioned stirring vane, stirring vane is arranged in agitator vessel.

The ratio of vertical profile area that accounts for container due to the projected area on the vertical section of stirred vessel is large, not only be suitable for the operations such as liquid liquid, solid-liquid and suspension, also be suitable for the mass-transfer progress that gas is sucked from liquid level, simultaneously upper and lower blade not only makes the Local Heat Transfer Film Coefficient of container wall more even, has also improved overall film coefficient of heat transfer.

Stirring vane of the present utility model adopts steel plate special to manufacture, and is because the result of succeeding in developing and dropping into application of China " glassed steel pressure vessel hot rolled steel plate Q/ASB 203-2012 ".The exploitation of hot rolled steel plate for glassed steel pressure vessel, makes the manufacture of enamel glass stirrer the same with general pressure vessel manufacture simple, convenient.The manufacture process of enamel glass stirrer is as follows: because the shape of blade has the various shapes such as bending, concavo-convex and plane, adopt enamel steel plate special to be easy to blade to carry out various cuttings, then between blade and blade, blade and shaft, adopt and be welded to connect, shaft and blade are become one, through multiple high temp sintering, make nature of glass enamel securely adherence on steel plate special surface, become smooth, corrosion resistant enamel glass stirrer.So just break away from the shortcoming that traditional enamel glass stirrer must be manufactured with pipe.

In the time that shaft turns round, working media is under agitator effect, its upper and lower blade all produces very strong radial flow, after arrival container wall, be divided into two parts fluid, a part changes direction and is gathered in around axle after arriving free surface, due to the existence of grid in upper and lower blade, and the interconnected barometric gradient existing between blade up and down and cause fluid current downflow vertically, another part fluid flows downward, under the effect of cylinder bottom (head), finally flow vertically, form the circular flow of general area, the effect of the flanging of lower blade is the discharge that increases radiation stream, so not only make the Local Heat Transfer Film Coefficient of container wall more even, also improved overall film coefficient of heat transfer.

Through a large amount of experimental studies, no matter be the sticky system of low sticky system or middle height, in the time of two kinds of mixing of materials, compare with traditional agitator, consuming under identical specific volume power, the incorporation time number of Novel mixer is minimum, and mixing rate is the fastest.The novel enamel glass stirrer that utility model is described is consuming the mixed effect that just can reach expection under less energy, and its energy-saving effect is obvious.

Industrial being everlasting under material of the same race, the size of the incorporation time number by more different agitators under the identical specific volume power of consumption is evaluated the good job of agitator mixed performance.Be uniformly mixed experiment with viscosity, mu=0.8Pa.s and two kinds of viscosity systems of μ=5Pa.s, acquired results as shown in Figure 8 and Figure 9.Experimental result shows: novel enamel glass stirrer of the present utility model and the traditional MIG agitator that is suitable for low sticky system and applicable middle high helix(ribbon type) agitator comparison of gluing system, no matter be the sticky system of low sticky system or middle height, consuming under identical specific volume power, the incorporation time of Novel mixer is counted minimum, and mixing rate is the fastest.Illustrate that novel enamel glass stirrer just can reach the mixed effect of expection under the less energy of consumption, compares with conventional agitator and has obvious energy-saving effect.

The utility model also provides a kind of enamel glass stirrer, comprises agitator vessel and stirring vane mentioned above, and stirring vane is arranged in agitator vessel.This agitator level allowance has larger fluctuation, keeps efficient mixed performance, has improved the security of equipment, adopts glassed steel pressure vessel hot rolled steel plate manufacture, and it is relatively simple for structure, easy to process, and is easy to carry out industry amplification.

Should be understood that for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.

Claims (8)

1. a board-like glass lined stirring blade, comprises shaft (1), the first blade (2) and the second blade (3), it is characterized in that:

Described the first blade (2) comprises the first level board (21), the second level board (22) and the first vertical plate (23), and the first level board (21) is in the top of the second level board (22); The first end of described the first level board (21) is connected to shaft (1) and the second end is connected to the first vertical plate (23); The first end of described the second level board (22) is connected to shaft (1) and the second end is connected to described the first vertical plate (23); Part under the tie point of the second end of described the second level board (22) and described the first vertical plate (23) is extension plate (25); Described the first level board (21), the second level board (22), the first vertical plate (23) and shaft (1) are at same plane, and this plane is made as face α;

Described the second blade (3) comprises upper junction plate (31), lower connecting plate (32) and the second vertical plate (33); The first end of described upper junction plate (31) and lower connecting plate (32) is connected to respectively described shaft (1), and the second end of described upper junction plate (31) and lower connecting plate (32) is connected with the two ends of described the second vertical plate (33) respectively; Described upper junction plate (31), lower connecting plate (32) and the second vertical plate (33) and shaft (1) are at same plane, and this plane is made as face β;

Angle between face α and face β is 30 degree to 90 degree;

If the distance between the first blade (2) and the second blade (3) is the distance d between axis and the second level board (22) axis of upper junction plate (31); Under shaft (1) rotary state, the track that described the first blade (2) and the second blade (3) rotate forms drum, and the diameter of the radial section place circle of two drums is identical, is made as Φ 1; D is 0.05～0.2 times of Φ 1.

2. stirring vane according to claim 1, is characterized in that, the edge of described the first blade (2) and/or the second blade (3) is provided with flanging (40);

For the first blade (2), flanging (40) is located at the outer rim of the first vertical plate (23); Flanging (40) place plane and face α angle are 30 to 60 degree, and flanging (40) points to reverse that the first blade (2) rotates;

For the second blade (3), flanging (40) is located at the outer rim of the second vertical plate (33); Flanging (40) place plane and face β angle are 30 to 60 degree, and flanging (40) points to reverse that the second blade (3) rotates.

3. stirring vane according to claim 2, it is characterized in that, in described the first blade (2), between the first level board (21) and the second level board (22), be also connected with at least one longitudinal division board (41); In described the second blade (3), between upper junction plate (31) and lower connecting plate (32), be also connected with at least one longitudinal division board (41).

4. stirring vane according to claim 3, is characterized in that,

Described the first blade (2) has one or more; Multiple the first blades (2) become axial symmetry around shaft, and they form blade;

Described the second blade (3) has one or more; Multiple the first blades (3) become axial symmetry around shaft, and they form lower blade.

5. according to the arbitrary described stirring vane of claim 1～4, it is characterized in that, the length of described extension plate (25) equals 0.1 to 0.25 times of Φ 1; The bottom of described extension plate (25) is circular shape.

6. an enamel glass stirrer, comprises the stirring vane described in arbitrary claim in agitator vessel and claim 1～5, and described stirring vane is arranged in agitator vessel.

7. agitator according to claim 6, is characterized in that, under shaft (1) rotary state: the drum that the track that the first blade (2) rotates forms, the long-pending S1 that is made as of its axial cross section; The track that the second blade (3) rotates forms drum, the long-pending S2 that is made as of its axial cross section;

If the axial cross section of stirred vessel amasss as S3; S1 and S2 sum are S3 0.7 to 0.9 times;

If the diameter of stirred vessel radial section is Φ 2, Φ 1 is 0.6 to 0.8 times of Φ 2.

8. agitator according to claim 6, is characterized in that, it is corresponding with the inner wall shape of stirred vessel end socket that the track that the second blade (3) rotates forms the shape of bottom surface of drum.