阅读说明：本技术 一种转子泵的耐腐蚀内衬 (Corrosion-resistant lining of rotor pump ) 是由 魏陈科 杨志程 张超 于 2021-09-24 设计创作，主要内容包括：一种转子泵的耐腐蚀内衬,属于转子泵相关技术领域；所述转子泵的耐腐蚀内衬包括：一内衬套及一外衬套,所述外衬套套设在所述内衬套外侧；所述内衬套的外侧固定有安装架；所述内衬套上设置有多个通孔；所述内衬套的由两个交错的圆形结构组成,且两个圆形结构的交错部位与圆形结构的内侧连通。本发明设计新颖,通过内衬套及外衬套的设置可根据需求进行后续更换,同时在实际使用过程中可根据需求在内衬套上套设不同的外衬套,以实现提高该衬套的适用性,同时在后续回收时可实现再利用,实用性强；本申请提供的衬套耐磨性高、耐腐蚀性能好。(A corrosion-resistant lining of a rotor pump belongs to the related technical field of rotor pumps; the corrosion resistant liner of the rotory pump includes: the outer bushing is sleeved outside the inner bushing; the outer side of the inner bushing is fixed with a mounting rack; the inner sleeve is provided with a plurality of through holes; the inner lining is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures. The invention has novel design, can be subsequently replaced according to the requirements by arranging the inner lining and the outer lining, and can be sleeved with different outer linings according to the requirements in the actual use process so as to improve the applicability of the lining and realize recycling in the subsequent recovery process, thereby having strong practicability; the application provides a bush wearability is high, corrosion resisting property is good.)

1. A corrosion resistant liner for a rotodynamic pump, comprising:

the outer sleeve (3) is sleeved outside the inner sleeve (2);

a mounting rack (1) is fixed on the outer side of the inner bushing (2);

a plurality of through holes are formed in the inner bushing (2);

the inner lining (2) is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

2. Erosion resistant liner for a rotodynamic pump according to claim 1, characterized in that the mounting bracket (1) is integrally formed with the inner liner (2).

3. The corrosion-resistant liner for rotopumps according to claim 1, wherein the inner liner (2) comprises the following raw materials in parts by mass: 20-35 parts of high manganese steel, 14-26 parts of iron, 10-16 parts of chromium, 3-8 parts of niobium, 1-2.6 parts of aluminum, 0.6-1.2 parts of graphite, 10-16 parts of ceramic particles, 10-16 parts of silicon carbide, 0.6-1.3 parts of cerium oxide and inevitable impurities.

4. A corrosion-resistant lining for rotopumps according to claim 3, wherein the inner liner (2) comprises the following raw materials in parts by mass: 25-30 parts of high manganese steel, 16-22 parts of iron, 11-14 parts of chromium, 4-7 parts of niobium, 1.5-2.2 parts of aluminum, 0.8-1.0 part of graphite, 11-14 parts of ceramic particles, 11-14 parts of silicon carbide, 0.7-1.1 parts of cerium oxide and inevitable impurities.

5. The corrosion-resistant liner for rotopumps according to claim 4, wherein the inner liner (2) comprises the following raw materials in parts by mass: 28 parts of high manganese steel, 20 parts of iron, 13 parts of chromium, 5 parts of niobium, 1.8 parts of aluminum, 0.9 part of graphite, 12 parts of ceramic particles, 12 parts of silicon carbide, 0.9 part of cerium oxide and inevitable impurities.

6. The erosion resistant liner for rotopumps of claim 1, characterized in that the outer liner (3) comprises the following parts by mass of raw materials: 20-26 parts of butadiene rubber, 16-18 parts of polyvinyl chloride resin, 8-15 parts of silicon oxide, 16-18 parts of quartz powder, 5-9 parts of copper oxide, 1-6 parts of magnesium carbonate, 2-8 parts of calcium nitrate, 3-7 parts of calcium chloride, 5-12 parts of tungsten boride micro powder, 0.5-0.9 part of potassium monododecyl phosphate, 0.8-1.5 parts of triethyl phosphate, 3-7 parts of graphene and 1-5 parts of a wear-resistant agent.

7. Corrosion resistant inner liner for rotopumps according to claim 6, characterized in that the outer liner (3) comprises the following raw materials in parts by mass: 21-24 parts of butadiene rubber, 16-17 parts of polyvinyl chloride resin, 10-13 parts of silicon oxide, 16-17 parts of quartz powder, 6-8 parts of copper oxide, 2-5 parts of magnesium carbonate, 4-7 parts of calcium nitrate, 4-6 parts of calcium chloride, 7-10 parts of tungsten boride micro powder, 0.6-0.8 part of potassium monododecyl phosphate, 0.9-1.3 parts of triethyl phosphate, 4-6 parts of graphene and 2-4 parts of a wear-resistant agent.

8. Corrosion resistant inner liner for rotopumps according to claim 7, characterized in that the outer liner (3) comprises the following raw materials in parts by mass: 22 parts of butadiene rubber, 17 parts of polyvinyl chloride resin, 12 parts of silicon oxide, 17 parts of quartz powder, 7 parts of copper oxide, 3 parts of carbonic acid, 5 parts of calcium nitrate, 5 parts of calcium chloride, 9 parts of tungsten boride micro powder, 0.7 part of potassium monododecyl phosphate, 1.2 parts of triethyl phosphate, 5 parts of graphene and 3 parts of a wear-resisting agent.

Technical Field

The invention belongs to the technical field of rotor pump equipment, and particularly relates to a corrosion-resistant lining of a rotor pump.

Background

The rotor pump is a pump in which the working volume is changed by the relative movement between a rotor and a pump body, and the energy of liquid is increased. The gerotor pump is a rotary positive displacement pump having a positive displacement nature with a flow rate that does not vary with back pressure.

A gerotor pump is one form of a positive displacement pump. It is composed of rotary rotor and stationary pump body, it has no suction and discharge valves, and utilizes the relative movement between rotor and pump body to change working volume, and utilizes the extrusion action of rotary rotor to discharge liquid, at the same time, it leaves a space on another side to form low pressure so as to make the liquid continuously suck.

Rotor lining in the impeller pump, the effect of lining is very critical promptly, and nevertheless current rotor lining corrosion resisting property is relatively poor, leads to using after the certain time, and its working property descends by a wide margin, and current rotor lining is a body structure simultaneously, and the limitation is great.

Disclosure of Invention

The present invention is directed to a corrosion resistant liner for a rotodynamic pump that solves the problems set forth above in the background of the invention.

In order to achieve the purpose, the invention provides the following technical scheme:

a corrosion resistant liner for a rotodynamic pump, the corrosion resistant liner comprising:

the outer bushing is sleeved outside the inner bushing;

the outer side of the inner bushing is fixed with a mounting rack;

the inner sleeve is provided with a plurality of through holes;

the inner lining is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

As a further scheme of the invention: the mounting frame and the inner bushing are integrally formed.

As a still further scheme of the invention: the inner lining comprises the following raw materials in parts by mass: 20-35 parts of high manganese steel, 14-26 parts of iron, 10-16 parts of chromium, 3-8 parts of niobium, 1-2.6 parts of aluminum, 0.6-1.2 parts of graphite, 10-16 parts of ceramic particles, 10-16 parts of silicon carbide, 0.6-1.3 parts of cerium oxide and inevitable impurities.

As a still further scheme of the invention: the inner lining comprises the following raw materials in parts by mass: 25-30 parts of high manganese steel, 16-22 parts of iron, 11-14 parts of chromium, 4-7 parts of niobium, 1.5-2.2 parts of aluminum, 0.8-1.0 part of graphite, 11-14 parts of ceramic particles, 11-14 parts of silicon carbide, 0.7-1.1 parts of cerium oxide and inevitable impurities.

As a still further scheme of the invention: the inner lining comprises the following raw materials in parts by mass: 28 parts of high manganese steel, 20 parts of iron, 13 parts of chromium, 5 parts of niobium, 1.8 parts of aluminum, 0.9 part of graphite, 12 parts of ceramic particles, 12 parts of silicon carbide, 0.9 part of cerium oxide and inevitable impurities.

As a still further scheme of the invention: the outer lining comprises the following raw materials in parts by mass: 20-26 parts of butadiene rubber, 16-18 parts of polyvinyl chloride resin, 8-15 parts of silicon oxide, 16-18 parts of quartz powder, 5-9 parts of copper oxide, 1-6 parts of magnesium carbonate, 2-8 parts of calcium nitrate, 3-7 parts of calcium chloride, 5-12 parts of tungsten boride micro powder, 0.5-0.9 part of potassium monododecyl phosphate, 0.8-1.5 parts of triethyl phosphate, 3-7 parts of graphene and 1-5 parts of a wear-resistant agent.

As a still further scheme of the invention: the outer lining comprises the following raw materials in parts by mass: 21-24 parts of butadiene rubber, 16-17 parts of polyvinyl chloride resin, 10-13 parts of silicon oxide, 16-17 parts of quartz powder, 6-8 parts of copper oxide, 2-5 parts of magnesium carbonate, 4-7 parts of calcium nitrate, 4-6 parts of calcium chloride, 7-10 parts of tungsten boride micro powder, 0.6-0.8 part of potassium monododecyl phosphate, 0.9-1.3 parts of triethyl phosphate, 4-6 parts of graphene and 2-4 parts of a wear-resistant agent.

As a still further scheme of the invention: the outer lining comprises the following raw materials in parts by mass: 22 parts of butadiene rubber, 17 parts of polyvinyl chloride resin, 12 parts of silicon oxide, 17 parts of quartz powder, 7 parts of copper oxide, 3 parts of carbonic acid, 5 parts of calcium nitrate, 5 parts of calcium chloride, 9 parts of tungsten boride micro powder, 0.7 part of potassium monododecyl phosphate, 1.2 parts of triethyl phosphate, 5 parts of graphene and 3 parts of a wear-resisting agent.

Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, can be subsequently replaced according to the requirements by arranging the inner lining and the outer lining, and can be sleeved with different outer linings according to the requirements in the actual use process so as to improve the applicability of the lining and realize recycling in the subsequent recovery process, thereby having strong practicability; the application provides a bush wearability is high, corrosion resisting property is good.

Drawings

FIG. 1 is a cross-sectional view of a corrosion resistant inner liner of a rotodynamic pump.

FIG. 2 is a side view of a corrosion resistant inner liner of a rotodynamic pump.

FIG. 3 is a schematic view showing the connection state of the inner liner and the mounting bracket in the corrosion-resistant inner liner of the rotor pump.

In the figure: 1-mounting rack, 2-inner lining, 3-outer lining and 4-through hole.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a corrosion-resistant liner of a rotodynamic pump includes:

an inner bushing 2 and an outer bushing 3, the outer bushing 3 is sleeved outside the inner bushing 2;

the mounting frame 1 is fixed on the outer side of the inner bushing 2;

a plurality of through holes are formed in the inner bushing 2;

the inner bushing 2 is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

The mounting bracket 1 and the inner bushing 2 are integrally formed.

In the embodiment of the invention, the inner bushing 2 and the outer bushing 3 can be replaced subsequently according to requirements, and different outer bushings 3 can be sleeved on the inner bushing 2 according to requirements in the actual use process, so that the applicability of the bushing is improved, the bushing can be recycled in subsequent recovery, and the practicability is high.

The inner bushing 2 comprises the following raw materials in parts by mass: 20 parts of high manganese steel, 14 parts of iron, 10 parts of chromium, 3 parts of niobium, 1 part of aluminum, 0.6 part of graphite, 10 parts of ceramic particles, 16 parts of silicon carbide, 0.6 part of cerium oxide and inevitable impurities.

The outer liner 3 comprises the following raw materials in parts by mass: 20 parts of butadiene rubber, 16 parts of polyvinyl chloride resin, 8 parts of silicon oxide, 18 parts of quartz powder, 5 parts of copper oxide, 1 part of carbonic acid, 2 parts of calcium nitrate, 3 parts of calcium chloride, 5 parts of tungsten boride micro powder, 0.5 part of potassium monododecyl phosphate, 0.8 part of triethyl phosphate, 3 parts of graphene and 1 part of wear-resisting agent.

Example 2

Referring to fig. 1 to 3, in an embodiment of the present invention, an anti-corrosion liner of a rotory pump includes:

an inner bushing 2 and an outer bushing 3, the outer bushing 3 is sleeved outside the inner bushing 2;

the mounting frame 1 is fixed on the outer side of the inner bushing 2;

a plurality of through holes are formed in the inner bushing 2;

the inner bushing 2 is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

The mounting bracket 1 and the inner bushing 2 are integrally formed.

In the embodiment of the invention, the inner bushing 2 and the outer bushing 3 can be replaced subsequently according to requirements, and different outer bushings 3 can be sleeved on the inner bushing 2 according to requirements in the actual use process, so that the applicability of the bushing is improved, the bushing can be recycled in subsequent recovery, and the practicability is high.

The inner bushing 2 comprises the following raw materials in parts by mass: 25 parts of high manganese steel, 16 parts of iron, 11 parts of chromium, 4 parts of niobium, 1.5 parts of aluminum, 0.8 part of graphite, 11 parts of ceramic particles, 14 parts of silicon carbide, 0.7 part of cerium oxide and inevitable impurities.

The outer liner 3 comprises the following raw materials in parts by mass: 21 parts of butadiene rubber, 16 parts of polyvinyl chloride resin, 10 parts of silicon oxide, 17 parts of quartz powder, 6 parts of copper oxide, 2 parts of carbonic acid, 4 parts of calcium nitrate, 4 parts of calcium chloride, 7 parts of tungsten boride micro powder, 0.6 part of potassium monododecyl phosphate, 0.9 part of triethyl phosphate, 4 parts of graphene and 2 parts of a wear-resisting agent.

Example 3

Referring to fig. 1 to 3, in an embodiment of the present invention, an anti-corrosion liner of a rotory pump includes:

an inner bushing 2 and an outer bushing 3, the outer bushing 3 is sleeved outside the inner bushing 2;

the mounting frame 1 is fixed on the outer side of the inner bushing 2;

a plurality of through holes are formed in the inner bushing 2;

the inner bushing 2 is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

The mounting bracket 1 and the inner bushing 2 are integrally formed.

In the embodiment of the invention, the inner bushing 2 and the outer bushing 3 can be replaced subsequently according to requirements, and different outer bushings 3 can be sleeved on the inner bushing 2 according to requirements in the actual use process, so that the applicability of the bushing is improved, the bushing can be recycled in subsequent recovery, and the practicability is high.

The inner bushing 2 comprises the following raw materials in parts by mass: 28 parts of high manganese steel, 20 parts of iron, 13 parts of chromium, 5 parts of niobium, 1.8 parts of aluminum, 0.9 part of graphite, 12 parts of ceramic particles, 12 parts of silicon carbide, 0.9 part of cerium oxide and inevitable impurities.

The outer liner 3 comprises the following raw materials in parts by mass: 22 parts of butadiene rubber, 17 parts of polyvinyl chloride resin, 12 parts of silicon oxide, 17 parts of quartz powder, 7 parts of copper oxide, 3 parts of carbonic acid, 5 parts of calcium nitrate, 5 parts of calcium chloride, 9 parts of tungsten boride micro powder, 0.7 part of potassium monododecyl phosphate, 1.2 parts of triethyl phosphate, 5 parts of graphene and 3 parts of a wear-resisting agent.

Example 4

Referring to fig. 1 to 3, in an embodiment of the present invention, an anti-corrosion liner of a rotory pump includes:

an inner bushing 2 and an outer bushing 3, the outer bushing 3 is sleeved outside the inner bushing 2;

the mounting frame 1 is fixed on the outer side of the inner bushing 2;

a plurality of through holes are formed in the inner bushing 2;

the inner bushing 2 is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

The mounting bracket 1 and the inner bushing 2 are integrally formed.

In the embodiment of the invention, the inner bushing 2 and the outer bushing 3 can be replaced subsequently according to requirements, and different outer bushings 3 can be sleeved on the inner bushing 2 according to requirements in the actual use process, so that the applicability of the bushing is improved, the bushing can be recycled in subsequent recovery, and the practicability is high.

The inner bushing 2 comprises the following raw materials in parts by mass: 30 parts of high manganese steel, 22 parts of iron, 14 parts of chromium, 7 parts of niobium, 2.2 parts of aluminum, 1.0 part of graphite, 14 parts of ceramic particles, 11 parts of silicon carbide, 1.1 part of cerium oxide and inevitable impurities.

The outer liner 3 comprises the following raw materials in parts by mass: 24 parts of butadiene rubber, 17 parts of polyvinyl chloride resin, 13 parts of silicon oxide, 16 parts of quartz powder, 8 parts of copper oxide, 5 parts of carbonic acid, 7 parts of calcium nitrate, 6 parts of calcium chloride, 10 parts of tungsten boride micro powder, 0.8 part of potassium monododecyl phosphate, 1.3 parts of triethyl phosphate, 6 parts of graphene and 4 parts of a wear-resisting agent.

Example 5

Referring to fig. 1 to 3, in an embodiment of the present invention, an anti-corrosion liner of a rotory pump includes:

an inner bushing 2 and an outer bushing 3, the outer bushing 3 is sleeved outside the inner bushing 2;

the mounting frame 1 is fixed on the outer side of the inner bushing 2;

a plurality of through holes are formed in the inner bushing 2;

the inner bushing 2 is composed of two staggered circular structures, and the staggered parts of the two circular structures are communicated with the inner sides of the circular structures.

The mounting bracket 1 and the inner bushing 2 are integrally formed.

In the embodiment of the invention, the inner bushing 2 and the outer bushing 3 can be replaced subsequently according to requirements, and different outer bushings 3 can be sleeved on the inner bushing 2 according to requirements in the actual use process, so that the applicability of the bushing is improved, the bushing can be recycled in subsequent recovery, and the practicability is high.

The inner bushing 2 comprises the following raw materials in parts by mass: 35 parts of high manganese steel, 26 parts of iron, 16 parts of chromium, 8 parts of niobium, 2.6 parts of aluminum, 1.2 parts of graphite, 16 parts of ceramic particles, 10 parts of silicon carbide, 1.3 parts of cerium oxide and inevitable impurities.

The outer liner 3 comprises the following raw materials in parts by mass: 26 parts of butadiene rubber, 18 parts of polyvinyl chloride resin, 15 parts of silicon oxide, 16 parts of quartz powder, 9 parts of copper oxide, 6 parts of carbonic acid, 8 parts of calcium nitrate, 7 parts of calcium chloride, 12 parts of tungsten boride micro powder, 0.9 part of potassium monododecyl phosphate, 1.5 parts of triethyl phosphate, 7 parts of graphene and 5 parts of a wear-resisting agent.

Comparative example

Selecting existing bushings

The wear resistance and corrosion resistance tests of the bushings of examples 1 to 5 and the conventional bushing were carried out, and the results showed that the bushings provided in the present application have high wear resistance and good corrosion resistance.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.