CN209735722U

CN209735722U - Vertical grinding pump for grinding ore pulp

Info

Publication number: CN209735722U
Application number: CN201920289380.3U
Authority: CN
Inventors: 贾天将; 段锋
Original assignee: Ningxia Tianyuan Manganese Industry Group Co Ltd
Current assignee: Ningxia Tianyuan Manganese Industry Group Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2019-12-06
Anticipated expiration: 2029-03-07

Abstract

The utility model belongs to the technical field of the grinding pump, a vertical grinding pump for grinding ore pulp is related to. The vertical grinding pump comprises a base, an end cover, a pump body shell, a pump cover, a bearing seat, a bearing, a connecting frame, a motor, a rotating shaft, a grinding body, an impeller and a wear-resistant ring, wherein the grinding body and the impeller are fixedly connected with each other and are all arranged inside the pump body shell and are sequentially sleeved on the rotating shaft from top to bottom, the wear-resistant ring is arranged on the inner wall of the pump body shell, and a gap exists between the outer edge of the wear-resistant ring and the outer edge of the grinding body. The vertical grinding pump has the advantages of compact structure, small occupied area, simple device, effective simplification of manufacturing process, reduction of processing cost and operation cost, replacement of the size of the grinding body according to requirements, and realization of large-flow, continuous and efficient grinding of ore pulp.

Description

Vertical grinding pump for grinding ore pulp

Technical Field

The utility model belongs to the technical field of the grinding pump, a vertical grinding pump for grinding ore pulp is related to.

Background

For large-scale electrolytic manganese metal enterprises, the yield of electrolytic manganese anode slag is huge, so that the resource comprehensive utilization of the electrolytic manganese anode slag is an important research and development project. In the process of producing manganese sulfate by pulping electrolytic manganese anode slag, the ore pulp grinding device is a main matched device. The existing pulp grinding pump is usually arranged horizontally, so that the single machine yield and the grinding efficiency of the whole device are limited, and huge production space is occupied; meanwhile, the size of the rotor used for grinding is fixed, and the ore pulp raw materials with different indexes cannot be flexibly dealt with. In addition, the pulp is a solid-liquid mixture with certain fluidity, so the requirement on the wear resistance of the pulp grinding device is stricter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical grinding pump for grinding ore pulp, the structure is compacter, and area is littleer, and unit output is bigger.

The utility model provides a technical scheme of above-mentioned technical problem does:

A vertical grinding pump for grinding ore pulp comprises a base, an end cover, a pump body shell, a pump cover, a bearing seat, a bearing, a connecting frame, a motor, a rotating shaft, a grinding body, an impeller and a wear-resisting ring; the motor is fixed at the upper end of the connecting frame, an output shaft of the motor is vertically arranged, one end of a rotating shaft is connected with the output shaft of the motor, and the other end of the rotating shaft sequentially penetrates through the bearing and the pump cover and extends into the pump body shell; the grinding body and the impeller are fixedly connected with each other, are arranged in the pump body shell and are sequentially sleeved on the rotating shaft from top to bottom, the wear-resistant ring is arranged on the inner wall of the pump body shell, and a gap is formed between the outer edge of the wear-resistant ring and the outer edge of the grinding body; the feed inlet has been seted up to the lateral part of frame, and the discharge gate has been seted up to the lateral part of pump body shell, and the discharge gate is located the top of rinding body in vertical direction.

Further, the shape of the grinding body is an inverted round table shape; the maximum value of the diameter of the grinding body is 0.8-1.2 m; the material of the grinding body is stainless steel.

Further, the outer edge of the wear-resistant ring is parallel to the outer edge of the grinding body; the wear-resistant ring is made of silicon carbide.

Further, this vertical grinding pump still includes mechanical seal, and mechanical seal sets up between pump body shell and pump cover.

Further, the diameter of the feed inlet is larger than that of the discharge outlet.

The vertical grinding pump for grinding ore pulp has the advantages that the grinding pump is designed to be vertical by utilizing the principle of a colloid mill, so that the structure of the whole device is more compact, the occupied area is smaller, the device is simple, the manufacturing process is effectively simplified, the processing technical requirements of parts are reduced, and the processing cost and the operating cost are further reduced; the diameter size of the grinding body can be larger according to the use requirement, the single-machine yield of the device is effectively increased, and meanwhile, the grinding bodies with different sizes can be replaced according to the requirement; the design of the inverted round table of the grinding body and the matching with the impeller and the wear-resisting ring can grind ore pulp more efficiently, and meanwhile, the grinding body and the wear-resisting ring are made of high-corrosion-resistant and high-wear-resistant materials, so that the strength and the service life of the device are improved, and the large-flow, continuous and efficient grinding of the ore pulp is realized; the grinding pump is not only suitable for the technical processes of producing manganese sulfate and the like by pulping electrolytic manganese anode slag, but also can be used for mineral separation of metallurgical mines, production of coal water slurry and treatment of industrial solid wastes, and has wide application fields.

drawings

Fig. 1 is a schematic front view of a vertical grinding pump for grinding ore slurry according to the present invention;

Fig. 2 is a schematic view of the vertical grinding pump for grinding ore slurry according to the present invention.

the codes in the figures are respectively: the pump comprises a base 1, a feed inlet 1-1, an end cover 2, a pump body shell 3, a discharge outlet 3-1, a pump cover 4, a bearing seat 5, a bearing 6, a connecting frame 7, a motor 8, a rotating shaft 9, a grinding body 10, an impeller 11, a wear-resisting ring 12 and a mechanical sealing element 13.

Detailed Description

As shown in fig. 1 and 2, a vertical grinding pump for grinding ore slurry comprises a machine base 1, an end cover 2, a pump body shell 3, a pump cover 4, a bearing seat 5, a bearing 6, a connecting frame 7, a motor 8, a rotating shaft 9, a grinding body 10, an impeller 11, a wear-resistant ring 12 and a mechanical sealing element 13.

Frame 1 places in subaerial, end cover 2 is fixed in 1 upper end of frame, and its central department has seted up the through-hole, pump body shell 3 is vertical setting, and be fixed in 2 upper ends of end cover, pump cover 4 is fixed in 3 upper ends of pump body shell, mechanical seal 13 sets up between pump body shell 3 and pump cover 4, bearing frame 5 is fixed in 4 upper ends of pump cover, and its inside bearing 6 that is equipped with, link 7 is fixed in 5 upper ends of bearing frame, motor 8 is fixed in 7 upper ends of link, and its output shaft is vertical setting, the one end of pivot 9 and motor 8's output shaft, the other end passes bearing 6 and pump cover 4 in proper order, and extend to inside pump body shell 3.

The grinding body 10 and the impeller 11 are fixedly connected with each other, are arranged in the pump body shell 3 and are sleeved on the rotating shaft 9 from top to bottom in sequence; the grinding body 10 is in the shape of an inverted circular truncated cone, is made of stainless steel, has the maximum diameter of 1 meter, the wear-resistant ring 12 is arranged on the inner wall of the pump body shell 3, has a gap between the outer edge of the wear-resistant ring and the outer edge of the grinding body 10, and is arranged in parallel, and the wear-resistant ring 12 is made of silicon carbide.

The side part of the engine base 1 is provided with a feeding hole 1-1, the side part of the pump body shell 3 is provided with a discharging hole 3-1, the discharging hole 3-1 is vertically positioned above the grinding body 10, and the diameter of the feeding hole 1-1 is larger than that of the discharging hole 3-1.

The utility model discloses a working process of vertical grinding pump for grinding ore pulp does, and the concentration of the ore pulp of treating to grind is not more than 200g/L, and the granularity of solid is not less than 60 meshes, and the hardness HRB of solid is < 7. The head of the grinding pump is 30 m; the motor 8 is turned on, the rotating shaft 9 is rotated at a high speed, the grinding body 10 and the impeller 11 are further driven to rotate, meanwhile, in the rotating process, the sealing performance between the pump body shell 3 and the pump cover 4 is better through the mechanical sealing piece 13, and the rotating shaft is more flexibly and smoothly rotated through the bearing 6; a material valve connected to a feed port 1-1 is opened, so that thick slurry higher than the level of the feed port 1-1 flows into a machine base 1 according to the flow rate of 180m3/h to 220m3/h, the material enters a gap between an impeller 11 and a grinding body 10 and a wear-resisting ring 12 through a through hole formed in an end cover 2 through vacuum generated by the impeller 11 rotating at high speed, is continuously crushed and ground under the combined action of the impeller 11 and the grinding body 10 rotating at high speed, and finally flows out through a discharge port 3-1. In addition, the diameter of the feeding port 1-1 is larger than that of the discharging port 3-1, namely, the feeding area is larger than the discharging area, and meanwhile, the horizontal height of the feeding port 1-1 is lower than that of the discharging port 3-1, so that the grinding time of the materials in the grinding pump is longer, and the grinding is more sufficient.

The fineness of the ore pulp ground by the grinding pump can reach 100-120 meshes, the grinding fineness is better, the grinding efficiency is higher, the single machine yield is higher, and the ore pulp can be continuously ground with high efficiency; the grinding pump can flexibly replace the grinding bodies 10 and the impellers 11 with different sizes according to the performance requirements of the ore pulp to be ground, and is more convenient to use.

Claims

1. A vertical grinding pump for grinding ore pulp is characterized by comprising a base (1), an end cover (2), a pump body shell (3), a pump cover (4), a bearing seat (5), a bearing (6), a connecting frame (7), a motor (8), a rotating shaft (9), a grinding body (10), an impeller (11) and a wear-resistant ring (12);

The motor base (1) is placed on the ground, the end cover (2) is fixed to the upper end of the base (1), a through hole is formed in the center of the end cover, the pump body shell (3) is vertically arranged and fixed to the upper end of the end cover (2), the pump cover (4) is fixed to the upper end of the pump body shell (3), the bearing seat (5) is fixed to the upper end of the pump cover (4), a bearing (6) is assembled inside the bearing seat (4), the connecting frame (7) is fixed to the upper end of the bearing seat (5), the motor (8) is fixed to the upper end of the connecting frame (7), an output shaft of the motor (8) is vertically arranged, one end of the rotating shaft (9) is connected with the output shaft of the motor (8), and the other end of the rotating shaft sequentially penetrates through the;

The grinding body (10) and the impeller (11) are fixedly connected with each other, are arranged in the pump body shell (3) and are sequentially sleeved on the rotating shaft (9) from top to bottom, the wear-resistant ring (12) is arranged on the inner wall of the pump body shell (3), and a gap is formed between the outer edge of the wear-resistant ring and the outer edge of the grinding body (10);

The grinding machine is characterized in that a feeding hole (1-1) is formed in the side portion of the machine base (1), a discharging hole (3-1) is formed in the side portion of the pump body shell (3), and the discharging hole (3-1) is located above the grinding body (10) in the vertical direction.

2. A vertical grinding pump for grinding mineral slurry according to claim 1, characterized in that the grinding body (10) is in the shape of an inverted circular truncated cone.

3. A vertical grinding pump for grinding mineral slurry according to claim 2, characterized in that the outer edge of the wear ring (12) is parallel to the outer edge of the grinding body (10).

4. a vertical grinding pump for grinding mineral slurry according to claim 2 wherein the maximum value of the diameter of the grinding body (10) is between 0.8 and 1.2 meters.

5. A vertical grinder pump for grinding mineral slurry according to claim 1, further comprising a mechanical seal (13), the mechanical seal (13) being arranged between the pump body casing (3) and the pump cover (4).

6. A vertical grinding pump for grinding mineral slurry according to claim 1, characterized in that the diameter of the inlet opening (1-1) is larger than the diameter of the outlet opening (3-1).

7. a vertical grinding pump for grinding mineral slurry according to claim 1 wherein the grinding body (10) is stainless steel.

8. the vertical grinding pump for grinding mineral slurry according to claim 1, wherein the wear ring (12) is silicon carbide.