CN211779435U - Phase-sleeve type double-layer multi-metal wear-resistant composite pipe - Google Patents
Phase-sleeve type double-layer multi-metal wear-resistant composite pipe Download PDFInfo
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- CN211779435U CN211779435U CN201920474975.6U CN201920474975U CN211779435U CN 211779435 U CN211779435 U CN 211779435U CN 201920474975 U CN201920474975 U CN 201920474975U CN 211779435 U CN211779435 U CN 211779435U
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Abstract
The utility model relates to a phase-sleeved double-layer multi-metal wear-resistant composite pipe, which comprises an outer layer pipe and an inner layer pipe, wherein the inner layer pipe is fixed on the inner wall of the outer layer pipe; the inner-layer pipe comprises a first multi-metal layer and a second multi-metal layer, the first multi-metal layer is fixedly attached to the inner wall of the outer-layer pipe, and a transition layer is arranged between the first multi-metal layer and the second multi-metal layer; the transition layer is made of ferric oxide, and the outer layer pipe is made of a metal steel pipe. Through the utility model provides a pair of wear-resisting compound pipe of double-deck many metals of looks shell type can select the many metal levels that are fit for according to the transport medium characteristic to improve corrosion-resistant, the stand wear resistance of tubular product, the effectual life who improves the pipeline, reduce engineering cost.
Description
Technical Field
The utility model relates to a wear-resisting compound pipe of double-deck many metals of phase-sleeve type belongs to pipeline design technical field.
Background
In the special medium conveying with corrosivity and high friction performance in severe working condition environments, the existing metal wear-resistant steel pipe is easily worn out, so that the environment is polluted, the engineering cost is increased, and further inconvenience is brought to waste recycling and utilization.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem of the aforesaid existing now, for the wear-resisting and corrosion resisting property that improves tubular product, extension tubular product life avoids tubular product to wear to bring inconveniently for the use, provides a wear-resisting compound pipe of double-deck many metals of phase-sleeve type.
The utility model aims at realizing the same, and the double-layer multi-metal wear-resistant composite pipe is characterized by comprising an outer layer pipe and an inner layer pipe, wherein the inner layer pipe is fixed on the inner wall of the outer layer pipe; the inner-layer pipe comprises a first multi-metal layer and a second multi-metal layer, the first multi-metal layer is fixedly attached to the inner wall of the outer-layer pipe, and a transition layer is arranged between the first multi-metal layer and the second multi-metal layer; the transition layer is made of ferric oxide.
The outer layer pipe is a metal steel pipe.
A method for preparing a phase-jacketed double-layer multi-metal wear-resistant composite pipe comprises the following steps:
step 1), cleaning the inner surface and the outer surface of the outer layer pipe to ensure that the inner surface and the outer surface of the outer layer pipe are smooth and flat, fixing the circle center of the outer layer pipe on the same central line, wherein the outer layer pipe is a metal steel pipe;
step 2), preparing a plurality of metal powder mixture raw materials in percentage by mass: 5-10% of silicon carbide powder, 5-8% of high-chromium powder, 60-65% of iron oxide powder and 20-25% of alumina powder; uniformly mixing a plurality of metal powder mixture raw materials to obtain a first plurality of metal powder mixtures;
step 3), adding the first plurality of metal powder mixtures uniformly mixed in the step 2) into the inner wall of the outer layer pipe, then uniformly rotating the outer layer pipe fixed on the mold and igniting the first plurality of metal powder mixtures on the inner wall of the outer layer pipe, wherein the rotating speed of the outer layer pipe rotates at 3000 +/-500 rpm, so that the first plurality of metal powder mixtures are uniformly distributed on the inner wall of the outer layer pipe;
after the first multi-metal powder mixture is uniformly distributed on the inner wall of the outer layer pipe, continuously keeping the outer layer pipe to continuously rotate at a constant speed and cool to room temperature, and centrifugally casting the inner wall of the outer layer pipe to form a first multi-metal layer to obtain a first semi-finished product; the outer layer pipe rotates at the speed of 1500 +/-100 rpm when being cooled;
step 4), rotating the cooled first semi-finished product at a constant speed, and adding a layer of ferric oxide on the inner wall of the first multi-metal layer to uniformly distribute the ferric oxide in the first multi-metal layer to form a transition layer;
step 5), preparing a plurality of metal powder mixture raw materials in percentage by mass: 5-10% of silicon carbide powder, 5-8% of high-chromium powder, 60-65% of iron oxide powder and 20-25% of alumina powder; uniformly mixing a plurality of metal powder mixture raw materials to obtain a second plurality of metal powder mixtures;
step 6), adding the second plurality of metal powder mixtures uniformly mixed in the step 5) into the inner wall of the transition layer, then uniformly rotating the outer layer pipe fixed on the die and igniting the second plurality of metal powder mixtures on the inner wall of the transition layer, wherein the rotating speed of the outer layer pipe rotates at 3000 +/-500 rpm, so that the second plurality of metal powder mixtures are uniformly distributed on the inner wall of the transition layer;
after the mixture of the second plurality of metal powders is uniformly distributed on the inner wall of the transition layer, continuously keeping the outer layer pipe to continuously rotate at a constant speed and cool to room temperature, and centrifugally casting the inner wall of the transition layer to form a second multi-metal layer to obtain the nested double-layer multi-metal wear-resistant composite pipe; the outer layer tube was cooled and rotated at a speed of 1500. + -. 100 rpm.
And 7), placing the cooled jacket type double-layer multi-metal wear-resistant composite pipes in order, and uniformly spraying paint on the outer surface layers of the jacket type double-layer multi-metal wear-resistant composite pipes after the jacket type double-layer multi-metal wear-resistant composite pipes are completely cooled.
The utility model has reasonable structure, easy production and manufacture and convenient use, and the phase-sleeved double-layer multi-metal wear-resistant composite pipe provided by the utility model comprises an outer layer pipe and an inner layer pipe, wherein the inner layer pipe is fixed on the inner wall of the outer layer pipe; the inner layer pipe comprises a first multi-metal layer and a second multi-metal layer, the first multi-metal layer is fixedly attached to the inner wall of the outer layer pipe, and a transition layer is arranged between the first multi-metal layer and the second multi-metal layer; the transition layer is made of ferric oxide, and the outer layer pipe is a metal steel pipe.
By the utility model, (1) the use of the double-layer multi-metal layer enhances the wear resistance of the pipeline; (2) the use of the transition layer promotes better bonding between the multi-metal layers (the first multi-metal layer, the second multi-metal layer) and prevents delamination; (3) the nested double-layer multi-metal composite pipe effectively solves the problem that the pipeline of the multi-metal wear-resistant pipe is replaced again due to the damage of the multi-metal layer; (4) the mixing proportion of the multi-metal mixed powder can be adjusted according to the field working condition, so that the product can be better suitable for different working condition requirements, the wear resistance and corrosion resistance of the pipe are improved, the engineering cost is reduced, and the purposes of saving energy and reducing consumption are achieved.
To sum up, the utility model provides a wear-resisting compound pipe of double-deck many metals of looks cover formula can select suitable many metal levels according to the transport medium characteristic to improve corrosion-resistant, the stand wear resistance of tubular product, the life of effectual improvement pipeline reduces engineering cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1 outer layer tube, 2 first multi-metal layer, 3 second multi-metal layer, 4 transition layer.
Detailed Description
The technical solution in the examples of the present invention will be described in detail below with reference to the accompanying drawings in the examples of the present invention.
A phase-nested double-layer multi-metal wear-resistant composite pipe comprises an outer layer pipe 1 and an inner layer pipe, wherein the inner layer pipe is fixedly arranged on the inner wall of the outer layer pipe 1, the inner layer pipe comprises a first multi-metal layer 2 and a second multi-metal layer 3, the first multi-metal layer 2 is fixedly attached to the inner wall of the outer layer pipe 1, and a transition layer 4 is arranged between the first multi-metal layer 2 and the second multi-metal layer 3; the transition layer 4 is made of ferric oxide, and the outer layer pipe 1 is a metal steel pipe.
When prepared, the method comprises the following steps:
step 1), cleaning the inner surface and the outer surface of the outer layer pipe 1 to ensure that the inner surface and the outer surface of the outer layer pipe 1 are smooth and flat, fixing the circle center of the outer layer pipe 1 on the same central line, wherein the outer layer pipe 1 is a metal steel pipe;
step 2), preparing a plurality of metal powder mixture raw materials in percentage by mass: 5-10% of silicon carbide powder, 5-8% of high-chromium powder, 60-65% of iron oxide powder and 20-25% of alumina powder; uniformly mixing a plurality of metal powder mixture raw materials to obtain a first plurality of metal powder mixtures;
step 3), adding the first plurality of metal powder mixtures uniformly mixed in the step 2) into the inner wall of the outer layer pipe 1, then rotating the outer layer pipe 1 fixed on a mould at a constant speed and igniting the first plurality of metal powder mixtures on the inner wall of the outer layer pipe 1, wherein the rotating speed of the outer layer pipe 1 is 3000 +/-500 rpm, so that the first plurality of metal powder mixtures are uniformly distributed on the inner wall of the outer layer pipe 1;
after the first plurality of metal powder mixtures are uniformly distributed on the inner wall of the outer layer pipe 1, continuously keeping the outer layer pipe 1 to continuously rotate at a constant speed and cool to room temperature, and centrifugally casting the inner wall of the outer layer pipe 1 to form a first plurality of metal layers 2 to obtain a first semi-finished product; the outer layer pipe 1 rotates at the speed of 1500 plus or minus 100rpm when being cooled;
step 4), rotating the cooled first semi-finished product at a constant speed, and adding a layer of ferric oxide on the inner wall of the first multi-metal layer 2 to uniformly distribute the ferric oxide in the first multi-metal layer 2 to form a transition layer 4;
step 5), preparing a plurality of metal powder mixture raw materials in percentage by mass: 5-10% of silicon carbide powder, 5-8% of high-chromium powder, 60-65% of iron oxide powder and 20-25% of alumina powder; uniformly mixing a plurality of metal powder mixture raw materials to obtain a second plurality of metal powder mixtures;
step 6), adding the second plurality of metal powder mixtures uniformly mixed in the step 5) into the inner wall of the transition layer 4, then rotating the outer layer pipe 1 fixed on the die at a constant speed and igniting the second plurality of metal powder mixtures on the inner wall of the transition layer 4, wherein the rotating speed of the outer layer pipe 1 rotates at 3000 +/-500 rpm, so that the second plurality of metal powder mixtures are uniformly distributed on the inner wall of the transition layer 4;
after the mixture of the second plurality of metal powders is uniformly distributed on the inner wall of the transition layer 4, continuously keeping the outer layer pipe 1 to continuously rotate at a constant speed and cool to room temperature, and centrifugally casting the inner wall of the transition layer 4 to form a second multi-metal layer 3 to obtain the nested double-layer multi-metal wear-resistant composite pipe; the outer layer pipe 1 rotates at the speed of 1500 plus or minus 100rpm when being cooled;
and 7), putting the cooled jacket type double-layer multi-metal wear-resistant composite pipes in order, and spraying paint on the outer surface layers of the jacket type double-layer multi-metal wear-resistant composite pipes uniformly after the jacket type double-layer multi-metal wear-resistant composite pipes are completely cooled.
Claims (2)
1. A phase-sleeved double-layer multi-metal wear-resistant composite pipe is characterized by comprising an outer layer pipe (1) and an inner layer pipe, wherein the inner layer pipe is fixedly arranged on the inner wall of the outer layer pipe (1); the inner-layer pipe comprises a first multi-metal layer (2) and a second multi-metal layer (3), the first multi-metal layer (2) is fixedly attached to the inner wall of the outer-layer pipe (1), and a transition layer (4) is arranged between the first multi-metal layer (2) and the second multi-metal layer (3).
2. The nested double-layer multi-metal wear-resistant composite pipe as recited in claim 1, wherein the outer layer pipe (1) is a metal steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474975.6U CN211779435U (en) | 2019-04-10 | 2019-04-10 | Phase-sleeve type double-layer multi-metal wear-resistant composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920474975.6U CN211779435U (en) | 2019-04-10 | 2019-04-10 | Phase-sleeve type double-layer multi-metal wear-resistant composite pipe |
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| Publication Number | Publication Date |
|---|---|
| CN211779435U true CN211779435U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920474975.6U Active CN211779435U (en) | 2019-04-10 | 2019-04-10 | Phase-sleeve type double-layer multi-metal wear-resistant composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211779435U (en) |
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2019
- 2019-04-10 CN CN201920474975.6U patent/CN211779435U/en active Active
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