阅读说明：本技术 一种上吸式铝液泵的过滤装置 (Filter device of up-draft aluminum liquid pump ) 是由 韦雯 赖立晏 于 2021-09-08 设计创作，主要内容包括：本发明公开了一种上吸式铝液泵的过滤装置,该过滤装置包括过滤筒体和固定锲块；所述过滤筒体安装在上吸式铝液泵的铝液吸入口上方,其下端口紧贴在上吸式铝液泵的基座上端面,其侧壁或/和顶部插入固定锲块以将过滤筒体固定于上吸式铝液泵的基座上方；所述过滤筒体能完全覆盖上吸式铝液泵的铝液吸入口,过滤筒体的下部侧壁开有通孔。本发明装置在工作时,铝液从过滤筒体外流经通孔,到达筒体的中空内腔,再从内腔进入铝液吸入口被泵送出去,在这个过程中,铝液中的杂质被拦截在过滤筒体外,在获得洁净铝液的同时也减少了杂质对铝液泵转子的冲击和摩擦,降低了铝液泵的故障率。(The invention discloses a filtering device of an updraught aluminum liquid pump, which comprises a filtering cylinder and a fixed wedge block, wherein the filtering cylinder is provided with a plurality of filtering holes; the filtering cylinder is arranged above an aluminum liquid suction inlet of the upper-suction type aluminum liquid pump, the lower port of the filtering cylinder is tightly attached to the upper end surface of a base of the upper-suction type aluminum liquid pump, and a fixed wedge block is inserted into the side wall or/and the top of the filtering cylinder so as to fix the filtering cylinder above the base of the upper-suction type aluminum liquid pump; the filter cylinder body can completely cover an aluminum liquid suction inlet of the up-suction type aluminum liquid pump, and the side wall of the lower part of the filter cylinder body is provided with a through hole. When the device works, the aluminum liquid flows out of the filter cylinder body, passes through the through holes, reaches the hollow inner cavity of the cylinder body, enters the aluminum liquid suction inlet from the inner cavity and is pumped out, and in the process, impurities in the aluminum liquid are intercepted outside the filter cylinder body, so that the impact and friction of the impurities on the aluminum liquid pump rotor are reduced while the clean aluminum liquid is obtained, and the failure rate of the aluminum liquid pump is reduced.)

1. The filtering device of the up-draft aluminum liquid pump is characterized by comprising a filtering cylinder and a fixed wedge block; the filtering cylinder is arranged above an aluminum liquid suction inlet of the upper-suction type aluminum liquid pump, the lower port of the filtering cylinder is tightly attached to the upper end surface of a base of the upper-suction type aluminum liquid pump, and a fixed wedge block is inserted into the side wall or/and the top of the filtering cylinder so as to fix the filtering cylinder above the base of the upper-suction type aluminum liquid pump; the filter cylinder body can completely cover an aluminum liquid suction inlet of the up-suction type aluminum liquid pump, and the side wall of the lower part of the filter cylinder body is provided with a through hole.

2. The filtration device of an updraft aluminum liquid pump as recited in claim 1, wherein said filter cylinder is a hollow cylinder open at both ends.

3. The filtration device of an updraft aluminum liquid pump as recited in claim 1 or 2, wherein the thickness of the side wall of said filter cylinder is 5-100 mm.

4. The filtering apparatus of an updraught aluminum liquid pump as recited in claim 1 or 2, wherein said fixing wedges are inserted into a gap between an outer wall of the filtering cylinder and the supporting posts to fix the filtering cylinder.

5. The filtering apparatus of an updraught type aluminum liquid pump as recited in claim 1 or 2, wherein said fixing wedges are inserted into a gap between the upper port of the filter cartridge and the motor base to fix the filter cartridge.

6. The filtration device of the up-draft aluminum liquid pump according to claim 1 or 2, wherein the upper port of the filtration cylinder is higher than the liquid level of aluminum liquid; the height line of the opening of the through hole on the side wall of the filter cylinder body is lower than the liquid level of the aluminum liquid.

7. The filter device of the up-draft aluminum liquid pump according to claim 1 or 2, wherein the aperture of the through hole on the side wall of the filter cylinder body is 1-100mm, and the total area of the open holes of the through hole is 1-10 times of the area of the aluminum liquid suction inlet of the aluminum liquid pump.

8. The filtration device of an up-draft aluminum liquid pump according to claim 1 or 2, wherein the filter cylinder and the fixing wedges are made of graphite or a refractory material.

Technical Field

The invention belongs to the technical field of molten aluminum liquid treatment equipment, and particularly relates to a filtering device of an updraft type aluminum liquid pump, which is used for filtering aluminum liquid in a pumping process.

Background

In the aluminum processing industry, the application of an aluminum liquid pump is increasingly popularized, the aluminum liquid pump generally has two purposes, one purpose is to circularly flow the aluminum liquid in a smelting furnace through pumping to improve the melting speed of aluminum, so that the productivity is improved, and meanwhile, if a matched vortex well is used, the remelting recovery rate of industrial waste aluminum can be greatly improved. The other purpose is to convey the molten aluminum, namely to convey the molten aluminum from one place to another place.

The aluminum liquid pump is generally composed of a motor, a motor base, a supporting upright post, a rotating rod and a rotor, wherein the motor drives the rotor to rotate through the rotating rod, and the generated suction force sucks aluminum liquid into an inner cavity of the base from an upper suction inlet or a lower suction inlet of the base and then flows out from an outlet positioned on the side face of the base.

The aluminum liquid is divided from the direction that the aluminum liquid is sucked into the base, and an aluminum liquid pump can be divided into an updraft type and a downdraft type, wherein the updraft type is that a suction inlet is arranged on the upper end surface of the base (shown in figure 1); the downdraft is open at the lower end face of the base (see fig. 2).

In application, in order to obtain clean aluminum liquid or to avoid that granular impurities in the aluminum liquid are sucked to damage a rotor, a filter device is required to be installed at a suction inlet, the suction inlet of the downdraft pump is arranged on the lower end face of the base, and the filter device is convenient to install, so that the filter device is installed below the downdraft pump at present (shown in figure 3), but when the depth of the aluminum liquid is insufficient, the filter device cannot be installed due to insufficient space below the downdraft pump, and the application of the filter device is limited.

Disclosure of Invention

The invention aims to solve the technical problem of providing a filtering device of an updraught type aluminum liquid pump, which is arranged on the upper end surface of a base of the aluminum liquid pump, can obtain clean aluminum liquid, simultaneously reduce the impact and friction of impurities on a rotor of the aluminum liquid pump, and reduce the failure rate of the aluminum liquid pump.

The invention solves the technical problems by the following technical scheme:

the invention relates to a filtering device of an updraught type aluminum liquid pump, which comprises a filtering cylinder and a fixed wedge block; the filtering cylinder is arranged above an aluminum liquid suction inlet of the upper-suction type aluminum liquid pump, the lower port of the filtering cylinder is tightly attached to the upper end surface of a base of the upper-suction type aluminum liquid pump, and a fixed wedge block is inserted into the side wall or/and the top of the filtering cylinder so as to fix the filtering cylinder above the base of the upper-suction type aluminum liquid pump; the filter cylinder body can completely cover an aluminum liquid suction inlet of the up-suction type aluminum liquid pump, and the side wall of the lower part of the filter cylinder body is provided with a through hole.

The invention relates to a filtering device of an up-draft aluminum liquid pump, wherein a filtering cylinder body is a hollow cylinder with openings at two ends.

According to the filtering device of the up-draft aluminum liquid pump, the thickness of the side wall of the filtering cylinder is 5-100 mm.

According to the filtering device of the up-draft aluminum liquid pump, the fixed wedge block is inserted into the gap between the outer wall of the filtering cylinder and the supporting upright column so as to fix the filtering cylinder.

According to the filtering device of the up-draft aluminum liquid pump, the fixed wedge block is inserted into a gap between the upper port of the filtering cylinder and the motor base so as to fix the filtering cylinder.

According to the filtering device of the up-draft aluminum liquid pump, the upper port of the filtering cylinder is higher than the liquid level of aluminum liquid; the height line of the opening of the through hole on the side wall of the filter cylinder body is lower than the liquid level of the aluminum liquid.

According to the filtering device of the up-draft aluminum liquid pump, the aperture of the through hole in the side wall of the filtering cylinder body is 1-100mm, and the total open hole area of the through hole is 1-10 times of the area of an aluminum liquid suction inlet of the aluminum liquid pump.

According to the filtering device of the up-draft aluminum liquid pump, the height line of the opening of the through hole in the side wall of the filtering cylinder is not higher than the liquid level of aluminum liquid.

According to the filtering device of the up-draft aluminum liquid pump, the filtering cylinder and the fixed wedge block are made of graphite or refractory materials.

Compared with the prior art, the filtering device of the up-draft aluminum liquid pump has the following advantages:

1) impurities in the aluminum liquid can be intercepted on the outer wall of the cylinder body, so that clean aluminum liquid is obtained, and the filtering effect is good;

2) impact and friction of impurities on the aluminum liquid pump rotor can be reduced, and the failure rate of the aluminum liquid pump is reduced;

3) the device does not influence the installation and the use of the aluminum liquid pump, and is more flexible in application.

Drawings

FIG. 1 is a schematic structural diagram of a conventional updraft aluminum liquid pump.

FIG. 2 is a schematic structural diagram of a conventional downdraft aluminum liquid pump.

FIG. 3 is a schematic diagram of a conventional downdraft aluminum liquid pump with a downdraft filter installed.

FIG. 4 is a schematic view showing the installation of the filter unit of the up-draft aluminum liquid pump of the present invention.

Fig. 5 is a schematic view of the insertion of the retaining wedge into the gap between the outer wall of the filter cartridge and the support post.

FIG. 6 is a schematic view of the insertion of the retaining wedges into the gap between the port on the filter cartridge and the motor mount.

FIG. 7 is a schematic view of a fixed wedge used in the filtering apparatus of an updraught aluminum liquid pump according to the present invention.

FIG. 8 is a schematic view of a filter cartridge used in the filtration apparatus of an up-draft aluminum liquid pump according to the present invention.

In the figure: 1-upper port of filtering cylinder, 2-lower port of filtering cylinder, 3-side wall of filtering cylinder, 4-through hole, 5-height line of opening, 6-hollow inner cavity of filtering cylinder, 7-filtering cylinder, 8-motor, 9-motor seat of aluminum liquid pump, 10-supporting column, 11-rotating rod, 12-rotor, 13-base of aluminum liquid pump, 14-outlet of aluminum liquid, 15 upper end face of base, 16-liquid level of aluminum liquid, 17-fixed wedge, 18-suction inlet of aluminum liquid, 19-flow path of aluminum liquid, 20-first gap, 21-aluminum liquid, 22-particle impurity, 23-fine floating impurity, 24-second gap.

Detailed Description

The technical solution of the present invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, the suction inlet of the suction type conventional aluminum liquid pump is located at the upper end of the base.

As shown in fig. 2, the downdraft suction inlet of the conventional downdraft aluminum liquid pump is located at the lower end of the base.

As shown in fig. 3, a schematic view of a downdraft filter is installed below a conventional downdraft aluminum liquid pump.

As shown in FIG. 4, the filter device of the up-draft aluminum liquid pump of the present invention comprises a filter cylinder 7 and a fixing wedge 17; the filtering cylinder 7 is arranged above an aluminum liquid suction inlet 18 of the up-draft aluminum liquid pump, the lower port 2 of the filtering cylinder is tightly attached to the upper end surface 15 of the base of the up-draft aluminum liquid pump, and the side wall or/and the top of the filtering cylinder is/are inserted into a fixed wedge 17 so as to fix the filtering cylinder 7 above the base 13 of the up-draft aluminum liquid pump; the filtering cylinder 7 can completely cover an aluminum liquid suction inlet 18 of the up-suction type aluminum liquid pump, and the side wall 3 of the filtering cylinder is provided with a through hole 4; the lower part of the updraught aluminum liquid pump is immersed in the aluminum liquid 21.

As shown in fig. 8, the filtering cylinder 7 is a hollow cylinder with two open ends, and the thickness of the side wall is 5-100 mm; the aperture of the through hole 4 on the side wall 3 of the filter cylinder body is 1-100mm, and the total open pore area of the through hole 4 is 1-10 times of the area of the aluminum liquid suction inlet 18 of the aluminum liquid pump; the opening height line 5 of the through hole 4 is lower than the molten aluminum liquid level 16; the upper port 1 of the filtering cylinder body is higher than the liquid level of the aluminum liquid (as shown in figure 4).

As shown in fig. 5, the fixing wedges 17 are inserted into the second gap 24 between the upper port 1 of the filter cylinder and the aluminum liquid pump motor base 9, so as to fix the filter cylinder 7 on the aluminum liquid pump base 13.

As shown in fig. 6, the filter cartridge 7 is secured to the aluminum liquid pump base 13 by inserting the fixing wedges 17 into the first gap 20 between the filter cartridge side wall 3 and the three support posts 10, each of which is divided into upper and lower fixing points.

The invention can also insert the fixing wedges 17 into the first gaps 20 between the side wall 3 of the filter cylinder and the three support columns 10 and the second gaps 24 between the upper port 1 of the filter cylinder and the motor base 9 of the aluminum liquid pump to fix the filter cylinder 7.

As shown in figure 7, the fixed wedges 17 are thick at one end and thin at the other end, and when in application, two fixed wedges are used for each fixed point and are inserted in a vertically staggered and tightly attached state, so that the function of fixing the filtering cylinder 7 is realized, and meanwhile, refractory mortar can be smeared in gaps at the peripheries of the fixed wedges to strengthen the fixation.

The filtering cylinder 7 and the fixed wedge 17 are both made of graphite or refractory materials.

When the device is installed, the filtering cylinder 7 is installed right above the aluminum liquid suction inlet 18, the lower port 2 of the filtering cylinder is tightly attached to the upper end surface 15 of the base, the rotating rod 11 connected with the motor 8 penetrates through the hollow inner cavity 6 of the filtering cylinder, the upper port 1 of the filtering cylinder is higher than the liquid level 16 of aluminum liquid, and the opening height line 5 of the through hole 4 is lower than the liquid level 16 of aluminum liquid.

When the updraft type aluminum liquid pump works, the motor 8 drives the rotor 12 to rotate through the rotating rod 11 to form suction, aluminum liquid 21 outside the filtering cylinder 7 flows through the through hole 4 to reach the hollow inner cavity 6 of the filtering cylinder, enters the aluminum liquid suction inlet 18 and is pumped out through the aluminum liquid outlet 14, and the aluminum liquid flow path 19 is shown in fig. 4. In the process, the particle impurities 22 larger than the through holes 4 are intercepted outside the filtering cylinder 7, and meanwhile, as the upper port 1 of the filtering cylinder is higher than the molten aluminum liquid level 16, the opening height line 5 of the through holes 4 is lower than the molten aluminum liquid level 16, and the fine floating impurities 23 floating on the molten aluminum liquid level 16 can not enter the inner cavity 6 of the cylinder from the through holes 4 and the upper port 1 of the filtering cylinder, the effect of cleaning the molten aluminum is achieved.