CN212215369U - Vertical stirring equipment - Google Patents

Abstract

The utility model relates to a vertical agitated vessel, including agitator, vice bucket and vertical stirring subassembly, the top of agitator has the pan feeding mouth, vertical setting and rotatable the installing in of vertical stirring subassembly in the agitator, vice bucket with the outer wall fixed connection of agitator, bottom one side of vice bucket with the agitator intercommunication, the top of vice bucket is uncovered, and one side on its upper portion has the discharge gate. The utility model has the advantages that: the stirring process of ground paste is in full section of thick bamboo stirring of high material level all the time, and the ground paste that mixes evenly relies on the pressure in the section of thick bamboo to flow into vice bucket through agitator lateral wall lower part, and the ground paste liquid level in the vice bucket keeps the same height in with the agitator, can effectively prolong the length of time that the ground paste is detained in the agitator like this, and the reinforcing ground paste mixes the quality.

Description

Vertical stirring equipment

Technical Field

The utility model relates to a fill ground paste preparation field, concretely relates to vertical agitated vessel.

Background

In the field of underground mining engineering, the cut-and-fill mining method has become a mainstream mining technique. The materials used for mine filling mainly comprise aggregate, cementing materials, water and auxiliary materials for improving the performance of the filling materials. The aggregate is mine solid wastes such as high-concentration tailings produced in the mining and dressing production process, filter cakes prepared by dewatering the tailings, grading tailings, phosphogypsum, coarse-fraction sandstone aggregate, coal gangue and the like; industrial solid wastes such as smelting slag, fly ash, red mud and the like; there are also natural raw materials such as river sand, aeolian sand, etc. The preparation of the filling slurry is an important process link related to the strength of a filling body and the filling cost, and equipment involved in the preparation of the filling slurry is also adaptive to the characteristics of filling aggregates.

The existing vertical single-shaft stirring equipment adopts a structural mode of feeding materials at the upper part and discharging materials at the bottom part, the mode also has the obvious defect, slurry enters and exits from the upper part in a stirring cylinder, the detention time and path are short, and the stirring is not uniform.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art provides a vertical agitated vessel.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a vertical agitated vessel, includes agitator, vice bucket and vertical stirring subassembly, the top of agitator has the pan feeding mouth, vertical setting and rotatable the installing of vertical stirring subassembly in the agitator, vice bucket with the outer wall fixed connection of agitator, bottom one side of vice bucket with the agitator intercommunication, the top of vice bucket is uncovered, and one side on its upper portion has the discharge gate.

The utility model has the advantages that: the stirring process of ground paste is in full section of thick bamboo stirring of high material level all the time, and the ground paste that mixes evenly relies on the pressure in the section of thick bamboo to flow into vice bucket through agitator lateral wall lower part, and the ground paste liquid level in the vice bucket keeps the same height in with the agitator, can effectively prolong the length of time that the ground paste is detained in the agitator like this, and the reinforcing ground paste mixes the quality.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, still include baiting valve and baiting valve drive arrangement, the bottom of agitator has the drain hole, baiting valve drive arrangement with the baiting valve transmission is connected, and the drive the baiting valve seals or opens the drain hole.

The beneficial effect of adopting the further scheme is that: when the stirring barrel is not used or needs to be cleaned, the discharging hole can be opened to discharge materials quickly.

Further, baiting valve drive arrangement includes connecting rod, baiting valve motor and drive gear, baiting valve motor with the top fixed connection of agitator, its output shaft transmission is connected with drive gear, the vertical setting of connecting rod stretches out its upper end the top and the vertical rack of fixedly connected with of agitator, drive gear with rack drive connects, the bottom of connecting rod with baiting valve fixed connection, the baiting valve is in the baiting mouth top, the baiting valve motor passes through the connecting rod drives the baiting valve reciprocates.

The beneficial effect of adopting the further scheme is that: the discharge valve motor drives the connecting rod to move up and down through the driving gear and the rack, so that the discharge valve is far away from or closes the discharge hole.

Further, still including filtering the screen panel, filter screen panel fixed connection be in the agitator, it has the guiding hole to filter the screen panel top, the connecting rod wears to establish in the guiding hole, it has a plurality of filtration sieve meshes to filter the screen panel.

The beneficial effect of adopting the further scheme is that: the filter screen panel provides the direction for the connecting rod, filters big stone simultaneously, avoids big stone card to take out the big stone of the inside again when wasing the agitator in feed opening department.

Further, vertical stirring subassembly includes (mixing) shaft motor, (mixing) shaft and two at least impeller, the (mixing) shaft motor with the top fixed connection of agitator, the (mixing) shaft rotatable install in the agitator, its upper end stretches out the top of agitator, the (mixing) shaft motor with the upper end transmission of (mixing) shaft is connected, the (mixing) shaft rotationally vertical install in the agitator, two at least impeller by lower supreme interval in proper order with (mixing) shaft fixed connection.

Further, impeller includes impeller main part and a plurality of blade, the fixed cover of impeller main part is located on the (mixing) shaft, it is a plurality of the blade is in the circumferencial direction of impeller main part evenly sets up, the one end of blade impeller main part fixed connection, blade side direction slope sets up, adjacent two impeller's blade slope opposite direction.

The beneficial effect of adopting the further scheme is that: because the slurry mixed by the fine-grained aggregate with larger specific surface area, the cementing material and water has higher concentration and is a non-Newtonian fluid with certain viscoelasticity, the characteristic of the fluid determines that the fluid has special requirements on the structural form of the stirring impeller, namely the blades have high shearing performance and have the function of axially circulating the fluid. The blades are obliquely arranged, namely the stirring impeller is similar to a propeller in structure, so that the stirring impeller has high shearing performance on slurry and has the function of enabling fluid to axially circulate.

In the stirring process of the slurry, two adjacent stirring impellers not only form a stepped flow field with flow speed difference in the peripheral area of the stirring impeller, but also form a flow field with flow speed difference in the axial area corresponding to the rotation direction of the stirring impeller, so that the slurry is effectively stirred, and the stirring quality is further enhanced. Another beneficial effect of this technical scheme is that, because two adjacent impeller's blade slope opposite direction, when the (mixing) shaft rotated, some impeller made the ground paste turn over, some impeller made the ground paste push down, this kind of existing rotatory dispersion motion has the ground paste motion flow field of the circulation motion of billowing again, further effectual reinforcing to mix the effect, strengthened and mixed the quality.

Further, the stirring impeller includes four of the blades.

Furthermore, a bottom plate protruding upwards is fixed at the center of the bottom in the stirring barrel.

The beneficial effect of adopting the further scheme is that: slurry accumulation at the center of the bottom of the stirring barrel is avoided.

Drawings

FIG. 1 is a structural diagram of a vertical stirring device of the present invention;

fig. 2 is a plan view of the stirring impeller.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the stirring barrel comprises a stirring barrel body, a secondary barrel body, a discharging valve body, a connecting rod, a discharging valve motor, a filtering net cover, a stirring shaft motor, a stirring shaft, a stirring impeller, a stirring shaft motor, a stirring shaft, a stirring impeller body, an impeller main body, a blade, a bottom plate and a blade, wherein the stirring barrel body comprises 2 parts, 3 parts, a discharging valve, 4 parts.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1-2, this embodiment relates to a vertical stirring device, including agitator 1, deputy bucket 2 and vertical stirring subassembly, the top of agitator 1 has the pan feeding mouth, vertical setting and rotatable the installing in agitator 1 of vertical stirring subassembly, deputy bucket 2 with the outer wall fixed connection of agitator 1, bottom one side of deputy bucket 2 with agitator 1 communicates, the top of deputy bucket 2 is uncovered, and one side on its upper portion has the discharge gate.

Specifically, a through hole is formed in the side wall of the lower portion of the stirring barrel 1, and one side of the bottom of the auxiliary barrel 2 is directly communicated with the stirring barrel 1.

For a vertical single-shaft stirrer, the prior art adopts a structural mode of feeding materials at the upper part and discharging materials at the bottom part, the mode also has the obvious defects, slurry enters and exits from the upper part in a stirring cylinder, the detention time and path are short, and the stirring is not uniform. The utility model discloses add on 1 lateral wall of agitator on prior art basis and establish vice bucket 2, the open lower part in 2 upper portions of vice bucket is sealed, and 1 lower part of agitator communicates with each other with vice bucket 2, offers the discharge gate at the upper portion lateral wall of vice bucket 2 simultaneously. Like this, the stirring process of ground paste is in full section of thick bamboo stirring of high material level all the time, and the ground paste that mixes evenly relies on the pressure in the section of thick bamboo to flow into vice bucket 2 through 1 lateral wall lower part passageway of agitator, and the ground paste liquid level in vice bucket 2 keeps the same height with in the agitator 1, can effectively prolong the length of time that the ground paste is detained in agitator 1 like this, and the reinforcing ground paste mixes the quality.

As a further scheme of this embodiment, still include baiting valve 3 and baiting valve drive arrangement, the bottom of agitator 1 has the drain hole, baiting valve drive arrangement with baiting valve 3 transmission is connected to the drive baiting valve 3 seals or opens the drain hole.

Specifically, as shown in fig. 1, the discharge valve 3 is in the shape of an inverted circular truncated cone.

As a further scheme of this embodiment, baiting valve drive arrangement includes connecting rod 4, baiting valve motor 5 and drive gear, baiting valve motor 5 with the top fixed connection of agitator 1, its output shaft transmission is connected with drive gear, the vertical setting of connecting rod 4, its upper end stretches out the top and the vertical rack of fixedly connected with of agitator 1, drive gear with rack transmission connects, the bottom of connecting rod 4 with baiting valve 3 fixed connection, baiting valve 3 is in the drain hole top, baiting valve motor 5 passes through connecting rod 4 drives baiting valve 3 reciprocates.

As the further scheme of this embodiment, still include and filter screen panel 6, filter screen panel 6 fixed connection be in agitator 1, filter screen panel 6 top has the guiding hole, connecting rod 4 wears to establish in the guiding hole, filter screen panel 6 has a plurality of filter sieve meshes.

Specifically, the filter screen cover 6 is a cylinder made of a net structure, the bottom of the filter screen cover is open, the top of the filter screen cover is closed, and the top of the filter screen cover is provided with the guide hole.

When no longer using or need wash the agitator, can open the quick blowing of drain hole, the big stone is blocked by filter screen panel 6, can not block up the drain hole, can clear up the agitator through the pan feeding mouth when wasing, perhaps the maintenance hole that sets up on the lateral wall of agitator clears up the inside of agitator through the maintenance hole.

As a further scheme of this embodiment, the vertical stirring assembly includes a stirring shaft motor 7, a stirring shaft 8 and at least two stirring impellers 9, the stirring shaft motor 7 is fixedly connected to the top of the stirring barrel 1, the stirring shaft 8 is rotatably installed in the stirring barrel 1, the upper end of the stirring shaft extends out of the top end of the stirring barrel 1, the stirring shaft motor 7 is in transmission connection with the upper end of the stirring shaft 8, and the at least two stirring impellers 9 are sequentially connected to the stirring shaft 8 at intervals from bottom to top.

Specifically, as shown in fig. 1, the stirring shaft motor 7 is in transmission connection with the stirring shaft 8 through a belt transmission assembly.

As a further scheme of this embodiment, the stirring impeller 9 includes an impeller main body 91 and a plurality of blades 92, the impeller main body 91 is fixedly sleeved on the stirring shaft 8, the plurality of blades 92 are uniformly arranged in the circumferential direction of the impeller main body 91, one end of each blade 92 is fixedly connected to the impeller main body 91, the blades 92 are laterally arranged in an inclined manner, and the inclination directions of the blades 92 of two adjacent stirring impellers 9 are opposite.

Specifically, each of the stirring impellers 9 has four of the blades 92.

Specifically, as shown in fig. 1, one end of the blade 92 is fixedly connected to the impeller main body 91, one side of the blade 92 is higher and the other side is lower, in this embodiment, two stirring impellers 9 are provided, in the direction shown in the drawing, the upper stirring impeller 9 is a left-handed impeller, and the lower stirring impeller 9 is a right-handed impeller, that is, when viewed from the other end of the blade 92, the left side of the blade 92 is higher and the right side thereof is lower, which is called left-handed, and vice versa, in the stirring process, the upper left-handed impeller can press down the slurry in the rotation process, and the lower right-handed impeller can flip up the slurry.

Because the slurry mixed by the fine-fraction aggregate with larger specific surface area, the cementing material and the water has higher concentration and is provided with a certain viscoelastic non-Newtonian fluid, the characteristic of the fluid determines that the fluid has special requirements on the structural type of the stirring impeller 9, namely the stirring impeller 9 has high shearing performance and also has the function of enabling the fluid to axially circulate. The larger the blade area ratio, i.e. the percentage of the blade area on the horizontal projection plane to the area of the circle where the diameter of the stirrer is, the more suitable the mixing of the high-viscosity slurry is. The propeller-shaped stirring impeller 9 has high shearing performance on slurry, has the function of enabling fluid to axially circulate, and has a large area ratio, so that the four-blade propeller-shaped stirring impeller 9 is selected.

For a vertical single-shaft mixer, the prior similar technology adopts one group or two groups of common parallel impellers arranged on a mixing shaft 8, and the blade type also has the obvious defects: slurry in the stirring barrel 1 is driven by the stirring impeller 9 to form a stepped flow field with flow velocity difference only at the periphery of the stirring impeller 9, so that the axial circulation function is reduced, and the stirring quality of the slurry is poor. The utility model discloses further improve impeller 9's structural style and configuration on prior art basis, adopt two sets of impeller 9 that have the four-blade propeller type of opposite direction of rotation to replace current structure. In this way, in the stirring process of the slurry, the two groups of stirring impellers 9 not only form stepped flow fields with flow velocity difference in the peripheral areas of the stirring impellers 9, but also form flow fields with flow velocity difference in the axial areas corresponding to the rotation directions of the stirring impellers, so that the slurry is effectively stirred, and the stirring quality is further enhanced. The upper left-hand impeller can press down the slurry in the rotating process, and the lower right-hand impeller can turn up the slurry, so that the slurry motion flow field with both rotating and dispersing motion and turning circulation motion is provided, the mixing effect is further effectively enhanced, and the mixing quality is enhanced.

As a further scheme of this embodiment, a bottom plate 10 protruding upward is fixed at the center of the bottom in the stirring barrel 1. Thus, the slurry flows to the periphery of the stirring barrel 1, and the material is conveniently discharged.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a vertical agitated vessel, its characterized in that, includes agitator (1), vice bucket (2) and vertical stirring subassembly, the top of agitator (1) has the pan feeding mouth, vertical setting and rotatable the installing in agitator (1), vice bucket (2) with the outer wall fixed connection of agitator (1), bottom one side of vice bucket (2) with agitator (1) intercommunication, the top of vice bucket (2) is uncovered, and one side on its upper portion has the discharge gate.

2. The vertical stirring equipment as recited in claim 1, further comprising a discharge valve (3) and a discharge valve driving device, wherein the bottom of the stirring barrel (1) is provided with a discharge hole, and the discharge valve driving device is in transmission connection with the discharge valve (3) and drives the discharge valve (3) to close or open the discharge hole.

3. The vertical stirring equipment as claimed in claim 2, characterized in that the discharge valve driving device comprises a connecting rod (4), a discharge valve motor (5) and a driving gear, the discharge valve motor (5) is fixedly connected with the top of the stirring barrel (1), an output shaft of the discharge valve motor is in transmission connection with the driving gear, the connecting rod (4) is vertically arranged, the upper end of the connecting rod extends out of the top end of the stirring barrel (1) and is fixedly connected with a vertical rack, the driving gear is in transmission connection with the rack, the bottom of the connecting rod (4) is fixedly connected with the discharge valve (3), the discharge valve (3) is arranged above the discharge port, and the discharge valve motor (5) drives the discharge valve (3) to move up and down through the connecting rod (4).

4. The vertical stirring equipment as claimed in claim 3, further comprising a filter screen (6), wherein the filter screen (6) is fixedly connected inside the stirring barrel (1), the top of the filter screen (6) is provided with a guide hole, the connecting rod (4) is inserted into the guide hole, and the filter screen (6) is provided with a plurality of filter screen holes.

5. The vertical stirring device according to any one of claims 1 to 4, wherein the vertical stirring assembly comprises a stirring shaft motor (7), a stirring shaft (8) and at least two stirring impellers (9), the stirring shaft motor (7) is fixedly connected with the top of the stirring barrel (1), the stirring shaft (8) is rotatably installed in the stirring barrel (1), the upper end of the stirring shaft motor (7) extends out of the top end of the stirring barrel (1), the stirring shaft motor (7) is in transmission connection with the upper end of the stirring shaft (8), and the at least two stirring impellers (9) are fixedly connected with the stirring shaft (8) at intervals from bottom to top.

6. The vertical stirring device according to claim 5, wherein the stirring impeller (9) comprises an impeller main body (91) and a plurality of blades (92), the impeller main body (91) is fixedly sleeved on the stirring shaft (8), the plurality of blades (92) are uniformly arranged in the circumferential direction of the impeller main body (91), one end of each blade (92) is fixedly connected with the impeller main body (91), the blades (92) are laterally arranged in an inclined manner, and the inclined directions of the blades (92) of two adjacent stirring impellers (9) are opposite.

7. Vertical mixer apparatus as in claim 6, characterized in that said mixing impeller (9) comprises four of said blades (92).

8. The vertical mixer apparatus according to claim 1, wherein a bottom plate (10) protruding upwards is fixed at the center of the bottom inside the mixer drum (1).

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