阅读说明：本技术 一种用于陶瓷制品生产的输送装置 (Conveying device for ceramic product production ) 是由 陈前 陈易 沈海军 于 2020-05-22 设计创作，主要内容包括：本发明公开了一种用于陶瓷制品生产的输送装置,其包括输送泵(1)、搅拌装置(2)、连接管,输送泵通过第一供给管与浆池连接,输送泵通过第二供给管与喷雾干燥装置连接,输送泵的叶轮包括底板、多个第一叶片、第二叶片、第三叶片,其特征在于：所述第一叶片为沿径向设置的直叶片,第二叶片包括平直部(55)、第一弧形部(56),平直部与第一弧形部相连接；所述平直部沿径向方向呈锥形结构设置,锥形结构的径向内端尺寸小,径向外端尺寸大,锥度角度为1-45°。其能够提高对浆液/泥浆中较大块体或颗粒的切割能力；能够减少浆液中较大块体或颗粒对输送泵性能的影响,能够较好地保证叶轮出口流量,保证泵的输送性能,从而保证浆液目标流量的稳定。(The invention discloses a conveying device for ceramic product production, which comprises a conveying pump (1), a stirring device (2) and a connecting pipe, wherein the conveying pump is connected with a slurry pool through a first supply pipe, the conveying pump is connected with a spray drying device through a second supply pipe, an impeller of the conveying pump comprises a bottom plate, a plurality of first blades, second blades and third blades, and the conveying device is characterized in that: the first blade is a straight blade arranged along the radial direction, the second blade comprises a straight part (55) and a first arc-shaped part (56), and the straight part is connected with the first arc-shaped part; the straight portion is arranged in a conical structure along the radial direction, the radial inner end of the conical structure is small in size, the radial outer end of the conical structure is large in size, and the taper angle is 1-45 degrees. It can improve the cutting ability for larger blocks or particles in the slurry/slurry; the influence of larger blocks or particles in the slurry on the performance of the delivery pump can be reduced, the outlet flow of the impeller can be better ensured, the delivery performance of the pump is ensured, and the stability of the target flow of the slurry is ensured.)

1. The utility model provides a conveyor for ceramic production, it includes delivery pump (1), agitating unit (2), connecting pipe (6), the entry end of delivery pump is provided with the connecting pipe, be provided with agitating unit in the connecting pipe, the delivery pump is connected with the thick liquid pond through first supply line, the delivery pump passes through the second supply line and is connected with spray drying device, the delivery pump includes pump case (4), impeller (5), the impeller includes bottom plate (51), a plurality of first blade (52), a plurality of second blade (53), a plurality of third blade (54), a plurality of first blade, the second blade, the crisscross interval distribution of third blade along circumference, the impeller is half open impeller, its characterized in that: the first blade is a straight blade arranged along the radial direction, and the second blade comprises a straight portion (55) and a first arc-shaped portion (56), wherein the straight portion is connected with the first arc-shaped portion.

2. A conveyance control method for a ceramic product manufacturing process according to claim 1, wherein the straight portion is provided in a tapered configuration in a radial direction, the tapered configuration having a small dimension at a radially inner end and a large dimension at a radially outer end, and a taper angle of 1 to 45 °.

3. A method of conveyance control for a ceramic article manufacturing process according to claim 2, wherein the third blade has a second arc portion (57), the first arc portion and the second arc portion being curved in the same direction and having the same radial length dimension.

4. The conveyance control method for a ceramic product manufacturing process according to claim 2 or 3, wherein the plurality of first blades, second blades, and third blades have different radial length dimensions.

5. The method of claim 4, wherein the second and third plurality of vanes have an axial width dimension that is equal to but not equal to the axial width dimension of the first vane.

6. The conveying control method for the ceramic product production process according to claim 2 or 3, wherein the stirring device comprises a stirring wheel (7) and a stirring motor (8), the stirring wheel is connected with the stirring motor through a connecting piece, and the connecting piece can drive the stirring wheel to rotate under the driving of the stirring motor.

7. A method according to claim 6, wherein the coupling member is a ratchet-ratchet type coupling member, the coupling member being capable of rotating the agitation wheel in a first rotational direction driven by the agitation motor or passively rotating the agitation wheel in a second rotational direction under the impact of the slurry, the first rotational direction being opposite to the second rotational direction.

Technical Field

The invention relates to the technical field of ceramic/ceramic tile production and manufacturing processes, in particular to a conveying device for ceramic product production.

Background

In the production process of ceramic/ceramic tile products, aged slurry/slurry is conveyed to a spray drying device through a conveying device (conveying pump) for spray drying treatment, and the conveying pump is connected with a slurry tank through a supply pipe. Due to ageing or for some other reason (chemical or physical sedimentation), larger lumps or particles may accumulate in the slurry/slurry, leading to problems of reduced performance of the delivery pump and of unstable flow rates of the supplied slurry.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a conveying device for ceramic product production, which can automatically and dynamically adjust the cutting capacity of a stirring wheel according to the target flow of slurry and improve the cutting capacity of larger blocks or particles in the slurry/slurry; the influence of larger blocks or particles in the slurry on the performance of the delivery pump can be reduced, and even under the condition that the larger blocks or particles possibly exist in the slurry, the outlet flow of the impeller can be better ensured, the delivery performance of the pump is ensured, and the stability of the target flow of the slurry is ensured.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a conveyor for ceramic production, it includes delivery pump (1), agitating unit (2), connecting pipe (6), the entry end of delivery pump is provided with the connecting pipe, be provided with agitating unit in the connecting pipe, the delivery pump is connected with the thick liquid pond through first supply line, the delivery pump passes through the second supply line and is connected with spray drying device, the delivery pump includes pump case (4), impeller (5), the impeller includes bottom plate (51), a plurality of first blade (52), a plurality of second blade (53), a plurality of third blade (54), a plurality of first blade, the second blade, the crisscross interval distribution of third blade along circumference, the impeller is half open impeller, its characterized in that: the first blade is a straight blade arranged along the radial direction, and the second blade comprises a straight portion (55) and a first arc-shaped portion (56), wherein the straight portion is connected with the first arc-shaped portion.

Furthermore, the straight portion is arranged in a conical structure along the radial direction, the radial inner end of the conical structure is small in size, the radial outer end of the conical structure is large in size, and the taper angle is 1-30 degrees.

Further, the third blade is provided with a second arc-shaped part (57), the bending directions of the first arc-shaped part and the second arc-shaped part are the same, and the radial length dimension is equal.

Further, the radial length dimensions of the first, second and third plurality of vanes are unequal.

Further, the axial width dimension of the plurality of second blades and the axial width dimension of the plurality of third blades are equal, but are not equal to the axial width dimension of the plurality of first blades.

Further, agitating unit includes stirring wheel (7), agitator motor (8), and the stirring wheel passes through the connector and is connected with agitator motor, and the connector can make the stirring wheel rotatory under agitator motor's drive.

Further, the coupling is a ratchet-ratchet coupling, which enables the stirring wheel to rotate in a first rotation direction under the driving of the stirring motor or passively rotate in a second rotation direction under the impact of the slurry, and the first rotation direction is opposite to the second rotation direction.

This a conveyor for ceramic production has two kinds of rotation state through making agitator motor, and unpowered idle running, drive are rotatory promptly, can improve the cutting ability to great piece or granule in thick liquid/mud according to the cutting ability of thick liquid target flow automatic dynamic control stirring wheel, reduces the risk that the impeller of delivery pump is damaged, guarantees the stability of delivery pump performance. The semi-open type straight blade impeller is particularly suitable for conveying slurry/slurry or multiphase flow of solid-liquid two-phase flow, the outlet flow of the impeller is large, the influence of large blocks or particles in the slurry on the performance of a conveying pump can be reduced, even under the condition that the large blocks or particles possibly exist in the slurry, the outlet flow of the impeller can be well ensured, the conveying performance of the pump is ensured, and therefore the target flow of the slurry is ensured to be stable.

Drawings

FIG. 1 is a schematic view of the structure of the conveying device of the present invention;

FIG. 2 is a front view of the impeller structure of the present invention;

fig. 3 is a side view of the impeller structure of the present invention.

In the figure: a conveying pump (vortex pump) 1, a stirring device 2, a controller 3, a pump shell 4, an impeller 5, a connecting pipe 6, a stirring wheel 7 and a stirring motor 8; a bottom plate 51, a first blade 52, a second blade 53, a third blade 54, a straight portion 55, a first arc portion 56, a second arc portion 57.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-3, a conveying device for ceramic product production comprises a conveying pump 1, a stirring device 2, a controller 3 and a connecting pipe 6, wherein the connecting pipe 6 is arranged at the inlet end of the conveying pump 1, the stirring device 2 is arranged in the connecting pipe 6, the conveying pump 1 is connected with a slurry pool through a first supply pipe, and the conveying pump 1 is connected with a spray drying device through a second supply pipe; the conveying pump 1 comprises a pump shell 4 and an impeller 5, the impeller 5 is arranged in the pump shell 4, the pump shell 4 is connected with a connecting pipe 6, the conveying pump 1 is a vortex pump, and the conveying pump 1 drives the impeller 5 to rotate under the driving of a driving motor; the stirring device 2 comprises a stirring wheel 7 and a stirring motor 8, wherein the stirring wheel 7 is connected with the stirring motor 8 through a connecting piece, the connecting piece can enable the stirring wheel 7 to rotate or idle without power (rotate passively under the impact of slurry) under the driving of the stirring motor 8, the connecting piece can be a ratchet-ratchet type connecting piece, the connecting piece can enable the stirring wheel 7 to rotate in a first rotation direction under the driving of the stirring motor 8 or rotate passively in a second rotation direction under the impact of the slurry, and the first rotation direction is opposite to the second rotation direction.

The controller 3 is electrically connected to the stirring motor 8, the driving motor, and various detection elements/sensors (a flow sensor for detecting the flow rate of the supplied slurry, a rotation speed sensor for detecting the rotation speed of the stirring motor 8 and the driving motor, and the like).

Through making agitator motor have two kinds of rotation states, unpowered idle running, drive are rotatory, can improve the cutting ability to bigger massif or granule in thick liquid/mud according to the cutting ability of thick liquid target flow automatic dynamic control stirring wheel, reduce the risk that the impeller of delivery pump is damaged, guarantee the stability of delivery pump performance.

As shown in fig. 2-3, the impeller 5 includes a bottom plate 51, a plurality of first blades 52, a plurality of second blades 53, and a plurality of third blades 54, the plurality of first blades 52, second blades 53, and third blades 54 are distributed in a staggered manner along the circumferential direction, and the impeller 5 is a semi-open type impeller with straight blades; the radial length sizes of the first blade 52, the second blade 53 and the third blade 54 are different, specifically, the radial outer ends of the first blade 52, the second blade 53 and the third blade 54 are equal in size, and the radial inner ends are different in size; the plurality of second blades 53 and third blades 54 have the same axial width dimension but do not have the same axial width dimension as the first blades 52.

The first blade 52 is a straight blade arranged along the radial direction, the second blade 53 comprises a straight portion 55 and a first arc portion 56, the straight portion 55 is connected with the first arc portion 56, the straight portion 55 is arranged along the radial direction in a conical structure, the radial inner end of the conical structure is small in size, the radial outer end of the conical structure is large in size, and the taper angle is 3-10 degrees; the third vane 54 has a second arc part 57, and the first arc part 56 and the second arc part 57 are bent in the same direction and have the same radial length.

The semi-open type straight blade impeller is particularly suitable for conveying slurry/slurry or multiphase flow of solid-liquid two-phase flow, the outlet flow of the impeller is large, the influence of large blocks or particles in the slurry on the performance of a conveying pump can be reduced, even under the condition that the large blocks or particles possibly exist in the slurry, the outlet flow of the impeller can be well ensured, the conveying performance of the pump is ensured, and therefore the target flow of the slurry is ensured to be stable.

The conveying device for ceramic product production can automatically and dynamically adjust the cutting capacity of the stirring wheel according to the target flow of slurry, and improve the cutting capacity of larger blocks or particles in slurry/slurry; the influence of larger blocks or particles in the slurry on the performance of the delivery pump can be reduced, and even under the condition that the larger blocks or particles possibly exist in the slurry, the outlet flow of the impeller can be better ensured, the delivery performance of the pump is ensured, and the stability of the target flow of the slurry is ensured.

The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.