CN210196003U - Novel corrosion-resistant and wear-resistant cylinder sleeve of metal ceramic slurry pump - Google Patents
Novel corrosion-resistant and wear-resistant cylinder sleeve of metal ceramic slurry pump Download PDFInfo
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- CN210196003U CN210196003U CN201921109380.7U CN201921109380U CN210196003U CN 210196003 U CN210196003 U CN 210196003U CN 201921109380 U CN201921109380 U CN 201921109380U CN 210196003 U CN210196003 U CN 210196003U
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Abstract
The utility model discloses a novel corrosion-resistant and wear-resistant metal ceramic slurry pump cylinder sleeve, which comprises an outer cylinder sleeve, an inner cylinder sleeve and a metal ceramic coating, wherein the outer cylinder sleeve and the inner cylinder sleeve are both cylindrical, and the inner side wall of the inner cylinder sleeve is provided with the metal ceramic coating; the outer side wall of the inner cylinder sleeve is uniformly provided with a plurality of limiting blocks along the circumferential direction, the outer cylinder sleeve is provided with a plurality of inverted T-shaped limiting grooves matched with the limiting blocks, each inverted T-shaped limiting groove comprises a sliding rail and a positioning cavity, the sliding rail is axially arranged along the outer cylinder sleeve, the sliding rail extends downwards from the top of the outer cylinder sleeve, the positioning cavities are vertically arranged at the bottoms of the sliding rails, the limiting blocks can slide up and down along the sliding rails and enter the positioning cavities for clamping and fixing, and the vertical distance from the positioning cavities to the top of the outer cylinder sleeve is equal to the vertical distance from the; the metal ceramic coating consists of a metal transition layer and a ceramic surface layer. The utility model provides a slurry pump cylinder liner has excellent corrosion resistance and wearability, and life is showing the extension than current cylinder liner, and can used repeatedly.
Description
Technical Field
The utility model relates to a high performance cermet material technical field, concretely relates to novel corrosion-resistant, stand wear and tear cermet mud pump cylinder liner.
Background
In the production of petroleum industry, the mud pump is the heart of a petroleum drilling and geological exploration workbench and is responsible for conveying blood (mud) of a drilling machine to the underground to finish the transmission of materials and energy, and the mud pump cylinder sleeve is an important component of the mud pump and is used for storing the mud and bearing the pressure of the mud, so that the reciprocating piston does reciprocating motion in the cylinder sleeve to finish the functions of sucking and discharging the mud.
The mud pump cylinder liner that uses at present mainly is two kinds of bimetal cylinder liner and ceramic cylinder liner, along with oil gas drilling technique development under the comparatively adverse circumstances such as desert, desolate and boundless, deep well, hard rock ground, ocean, because the corrosion resistance and the wearability of metal cylinder liner are relatively poor, the operational environment that the operating mode is abominable makes the life of bimetal cylinder liner extremely short, and the ceramic cylinder liner drops easily or smashes under the high pressure, can not reach ideal effect. In addition, the outer cylinder liner and the interior cylinder liner of cylinder liner generally adopt interference fit's mode to assemble, the cooperation is too tight appears easily, the inside lining is broken, or the cooperation is too loose, the problem that the inside lining drops easily, and the outer cylinder liner of cylinder liner is generally not fragile in the use, interior cylinder liner in case take place the wearing and tearing of certain degree or the thorn just needs to be changed, current interior cylinder liner and outer cylinder liner assembly mode cause interior cylinder liner to be difficult to take out, lead to interior cylinder liner in case the wearing and tearing just need change interior cylinder liner and outer cylinder liner are whole, maintenance cost is higher.
Therefore, research and development of a corrosion-resistant and wear-resistant mud pump cylinder sleeve with easy replacement of the inner cylinder sleeve and high recycling rate are urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: overcomes the defects in the prior art, and provides the metal ceramic slurry pump cylinder sleeve which is corrosion-resistant, wear-resistant, long in service life and reusable.
In order to solve the problem, the utility model adopts the following technical scheme:
a novel corrosion-resistant and wear-resistant cylinder sleeve of a metal ceramic slurry pump comprises an outer cylinder sleeve, an inner cylinder sleeve and a metal ceramic coating, wherein the outer cylinder sleeve and the inner cylinder sleeve are cylindrical, and the inner side wall of the inner cylinder sleeve is provided with the metal ceramic coating;
the outer side wall of the inner cylinder sleeve is uniformly provided with a plurality of limiting blocks along the circumferential direction, the outer cylinder sleeve is provided with a plurality of inverted T-shaped limiting grooves matched with the limiting blocks, the limiting blocks correspond to the inverted T-shaped limiting grooves one by one, the inverted T-shaped limiting grooves comprise sliding rails and positioning cavities which are arranged along the axial direction of the outer cylinder sleeve, the sliding rails extend downwards from the top of the outer cylinder sleeve, the positioning cavities are vertically arranged at the bottoms of the sliding rails, the limiting blocks can slide up and down along the sliding rails and enter the positioning cavities for clamping and fixing, and the vertical distance from the positioning cavities to the top of the outer cylinder sleeve is equal to the vertical distance from the limiting blocks to the top of the inner cylinder sleeve;
the metal ceramic coating consists of a metal transition layer and a ceramic surface layer, the thickness of the metal transition layer is 50-100 mu m, and the thickness of the ceramic surface layer is 200-300 mu m.
The further improvement is that the metal ceramic coating is processed by adopting a supersonic flame spraying process, and the spraying powder is one or more of NiCrAlY, CoCrAlY and FeCrAlY; the ceramic surface layer is processed by a plasma spraying process, and the spraying powder is Al2O3-ZrO2 composite powder. The mode that adopts direct including cylinder liner inside wall spraying cermet cladding material and ceramic surface course need not carry out extra assembly step, adopts special material simultaneously, has greatly promoted mechanical strength, wearability, corrosion resistance and the antifatigue of interior cylinder liner and is special, prolongs the life of interior cylinder liner, reduces the change frequency.
The further improvement is that the outer side wall of the inner cylinder sleeve is provided with three limiting blocks, and the corresponding position of the outer cylinder sleeve is provided with three inverted T-shaped limiting grooves matched with the outer cylinder sleeve. When the piston does reciprocating motion in the cylinder liner, the stress of the inner cylinder liner can be shared by the three limiting blocks uniformly distributed on the outer side wall of the outer cylinder liner, the stress intensity of the inner cylinder liner is improved, and the service life of the inner cylinder liner is further prolonged.
In a further improvement, the inner side wall of the positioning cavity is provided with discontinuous convex ribs. The friction of the locating cavity on the limiting block and the outer cylinder sleeve on the outer side wall of the inner cylinder sleeve can be increased, and the firmness and the stability of the clamping of the outer cylinder sleeve and the inner cylinder sleeve are improved when the device is used.
The improved cylinder sleeve is characterized in that four assembling grooves are formed in the outer cylinder sleeve, sealing rings are arranged in the assembling grooves, and assembling bosses are symmetrically arranged on the left side and the right side of the upper end of the outer cylinder sleeve. The depth of the cylinder sleeve during assembling is positioned by assembling the lug boss on the outer cylinder sleeve, and the stability of the cylinder sleeve and the slurry pump after assembling is further ensured by matching with the assembling groove.
The further improvement is that the outer cylinder sleeve is made of glass fiber reinforced plastic, and the wall thickness of the outer cylinder sleeve is 240-260 mm. By using the glass fiber reinforced plastic as the outer cylinder sleeve, the corrosion of the cylinder sleeve is prevented while sufficient strength and toughness are provided, the quality of the cylinder sleeve is reduced, and the labor intensity during installation and replacement is reduced.
The further improvement is that the inner cylinder sleeve is made of high-chromium cast iron, and the wall thickness of the inner cylinder sleeve is 150 mm.
The utility model discloses following beneficial effect has:
(1) in the utility model, the inner cylinder sleeve and the outer cylinder sleeve are firmly fixed by the clamping fit of the plurality of limit blocks on the outer side wall of the inner cylinder sleeve and the inverted T-shaped limit grooves on the outer cylinder sleeve, thereby effectively preventing the mutual up-and-down sliding between the inner cylinder sleeve and the outer cylinder sleeve, improving the stability during use and ensuring the operation efficiency and the safety of workers;
(2) the inner surface of the inner cylinder sleeve is sprayed with the metal transition layer and the ceramic surface layer protective layer, so that the bonding force between the inner cylinder sleeve and the ceramic surface layer can be improved by the metal transition layer, the ceramic surface layer is prevented from falling off in the using process, the ceramic surface layer formed by spraying special materials has excellent wear resistance and corrosion resistance, the replacement frequency of the cylinder sleeve is reduced, and the abrasion to the inner cylinder sleeve can be avoided;
(3) when interior cylinder liner wearing and tearing reached the certain degree, only need carry out the rotation of certain angle with interior cylinder liner and outer cylinder liner, can take out interior cylinder liner along the slide rail on the outer cylinder liner, install again and outer cylinder liner model assorted interior cylinder liner can used repeatedly, whole operation process is convenient quick, interior cylinder liner through taking out the back, only need resume corresponding standard size at interior surface spraying cermet cladding material, can carry out used repeatedly to the inner cylinder liner, saved the cost.
The utility model provides a mud pump cylinder jacket structure and production simple process, corrosion resistance and wearability are good, and life is showing the extension than current cylinder liner, and can used repeatedly, has reduced overall cost and maintenance cost.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is an overall structure diagram of a cylinder sleeve of a cermet slurry pump according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of the inner cylinder liner of the present invention;
FIG. 4 is a cross-sectional view of the cylinder sleeve of the cermet slurry pump of the present invention;
FIG. 5 is a partial enlarged view of the portion B in FIG. 4;
wherein the specific reference numerals are as follows: the cylinder liner comprises an outer cylinder liner 1, an inverted T-shaped limiting groove 11, a sliding rail 12, a positioning cavity 13, a convex rib 14, an assembly groove 15, an assembly boss 16, an inner cylinder liner 2, a limiting block 21, a metal ceramic coating 3, a metal transition layer 31 and a ceramic surface layer 32.
Detailed Description
As shown in fig. 1 and 5, the utility model provides a novel corrosion-resistant, stand wear and tear cermet slush pump cylinder liner, including outer cylinder liner 1, interior cylinder liner 2 and cermet cladding material 3, outer cylinder liner 1 all is cylindricly with interior cylinder liner 2, and 2 inside walls of interior cylinder liner are equipped with cermet cladding material 3. Evenly be provided with a plurality of stoppers 21 along the circumferencial direction on 2 lateral walls of interior cylinder liner, be equipped with a plurality ofly on the outer cylinder liner 1 with stopper 21 matched with type of falling T spacing groove 11, stopper 21 and type of falling T spacing groove 11 one-to-one are provided with three stopper 21 on 2 lateral walls of interior cylinder liner in this embodiment, be provided with three rather than matched with type of falling T spacing groove 11 on the corresponding position on the outer cylinder liner 1. The type of falling T spacing groove 11 includes along slide rail 12 and the location chamber 13 of 1 axial setting of outer cylinder liner, slide rail 12 is from 1 top downwardly extending of outer cylinder liner, location chamber 13 sets up perpendicularly in slide rail 12 bottom, stopper 21 can slide from top to bottom along slide rail 12 and enter into and carry out the block fixed in location chamber 13, be provided with discontinuous fin 14 on the 13 inside wall of location chamber, can increase the friction of location chamber 13 on spacing piece 21 and the outer cylinder liner 1 on the 2 lateral walls of inner cylinder liner, promote the fastness and the stability of outer cylinder liner 1 and the 2 blocks of inner cylinder liner when using, the perpendicular distance at location chamber 13 to 1 top of outer cylinder liner equals with the perpendicular distance at stopper 21 to 2 tops of inner cylinder liner, guaranteed the fixed back of inner cylinder liner 2 and the 1 block of outer cylinder liner, the terminal surface keeps the state of flushing. During the use, with stopper 21 on the interior cylinder liner 2 and the outer slide rail 12 on the cylinder liner 1 align mutually, then with interior cylinder liner 2 through slide rail 12 propulsion outer cylinder liner 1 in, when stopper 21 reachs slide rail 12 bottom, rotatory interior cylinder liner 2 again, stopper 21 on the interior cylinder liner 2 enters into location chamber 13, firmly fixes interior cylinder liner 2 and outer cylinder liner 1, the effectual interior cylinder liner 2 that prevents and outer cylinder liner 1 between the mutual sliding from top to bottom, stability when promoting the use. Wherein, the metal ceramic coating 3 is composed of a metal transition layer 31 and a ceramic surface layer 32, the metal ceramic coating 3 is processed by a supersonic flame spraying process, the spraying powder is one or more of NiCrAlY, CoCrAlY and FeCrAlY, and the thickness of the metal transition layer 31 is 50-100 μm; the ceramic surface layer 32 is processed by a plasma spraying process, the spraying powder is Al2O3-ZrO2 composite powder, and the thickness of the ceramic surface layer 32 is 200-300 mu m. Through including 2 internal surface spraying metal transition layer 31 of cylinder liner and ceramic surface course 32 protective layers, the cohesion of cylinder liner 2 and ceramic surface course 32 in metal transition layer 31 can improve, avoid ceramic surface course 32 to take place the phenomenon that drops in the use, the ceramic surface course 32 that adopts the special material spraying to form has excellent stand wear and tear and corrosion resisting property, the life of cylinder liner 2 in the extension, the change number of times of the cylinder liner has been reduced, and can avoid the wearing and tearing to cylinder liner 2. When the inner cylinder sleeve 2 is abraded to a certain degree, the inner cylinder sleeve 2 can be taken out along the slide rail 12 on the outer cylinder sleeve 1 only by rotating the inner cylinder sleeve 2 and the outer cylinder sleeve 1 at a certain angle, and then the inner cylinder sleeve 2 matched with the type of the outer cylinder sleeve 1 is installed for repeated use, so that the whole operation process is convenient and rapid; after the inner cylinder sleeve 2 is taken out, the inner cylinder sleeve 2 can be reused only by spraying the metal ceramic coating 3 on the inner surface to restore to the corresponding standard size, and the cost is saved.
Wherein, four assembly grooves 15 are arranged on the outer cylinder sleeve 1, sealing rings are arranged in the assembly grooves 15, and assembly bosses 16 are symmetrically arranged at the left side and the right side of the upper end of the outer cylinder sleeve 1. The depth of the cylinder sleeve during assembling is positioned by assembling the lug boss 16 on the outer cylinder sleeve 1, and the stability of the cylinder sleeve and the slurry pump after assembling is further ensured by matching with the assembling groove 15.
Wherein, the outer cylinder sleeve 1 adopts glass fiber reinforced plastic material, and the pipe wall thickness of the outer cylinder sleeve 1 is 240-260 mm. By using the glass fiber reinforced plastic as the outer cylinder liner 1, corrosion of the cylinder liner is prevented while sufficient strength and toughness are provided, the quality of the cylinder liner is reduced, and labor intensity during installation and replacement is reduced. The inner cylinder sleeve 2 is made of high-chromium cast iron, and the thickness of the pipe wall of the inner cylinder sleeve 2 is 120-150 mm.
The utility model provides a mud pump cylinder jacket structure and production simple process, corrosion resistance and wearability are good, and life is showing the extension than current cylinder liner, and can used repeatedly, has reduced overall cost and maintenance cost.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (7)
1. The novel corrosion-resistant and wear-resistant cylinder sleeve of the metal ceramic slurry pump is characterized by comprising an outer cylinder sleeve, an inner cylinder sleeve and a metal ceramic coating, wherein the outer cylinder sleeve and the inner cylinder sleeve are cylindrical, and the inner side wall of the inner cylinder sleeve is provided with the metal ceramic coating;
the outer side wall of the inner cylinder sleeve is uniformly provided with a plurality of limiting blocks along the circumferential direction, the outer cylinder sleeve is provided with a plurality of inverted T-shaped limiting grooves matched with the limiting blocks, the limiting blocks correspond to the inverted T-shaped limiting grooves one by one, the inverted T-shaped limiting grooves comprise sliding rails and positioning cavities which are arranged along the axial direction of the outer cylinder sleeve, the sliding rails extend downwards from the top of the outer cylinder sleeve, the positioning cavities are vertically arranged at the bottoms of the sliding rails, the limiting blocks can slide up and down along the sliding rails and enter the positioning cavities for clamping and fixing, and the vertical distance from the positioning cavities to the top of the outer cylinder sleeve is equal to the vertical distance from the limiting blocks to the top of the inner cylinder sleeve;
the metal ceramic coating consists of a metal transition layer and a ceramic surface layer, the thickness of the metal transition layer is 50-100 mu m, and the thickness of the ceramic surface layer is 200-300 mu m.
2. The novel corrosion-resistant and wear-resistant cermet slurry pump cylinder liner according to claim 1, wherein the cermet coating is processed by a supersonic flame spraying process, and the spraying powder is one or more of NiCrAlY, CoCrAlY and FeCrAlY; the ceramic surface layer is processed by a plasma spraying process, and the spraying powder is Al2O3-ZrO2 composite powder.
3. The novel corrosion-resistant and wear-resistant metal ceramic mud pump cylinder sleeve as claimed in claim 1 or 2, wherein three limiting blocks are arranged on the outer side wall of the inner cylinder sleeve, and three inverted-T-shaped limiting grooves matched with the three limiting blocks are arranged on the corresponding positions on the outer cylinder sleeve.
4. The new corrosion and wear resistant cermet slurry pump cylinder liner of claim 3, wherein the locating cavity inner sidewall is provided with discontinuous ribs.
5. The novel corrosion-resistant and wear-resistant cylinder sleeve of a metal ceramic slurry pump according to claim 1, wherein the outer cylinder sleeve is provided with four assembling grooves, sealing rings are arranged in the assembling grooves, and assembling bosses are symmetrically arranged on the left side and the right side of the upper end of the outer cylinder sleeve.
6. The novel corrosion-resistant and wear-resistant metal ceramic mud pump cylinder sleeve as claimed in claim 1, wherein the outer cylinder sleeve is made of glass fiber reinforced plastic, and the wall thickness of the outer cylinder sleeve is 240-260 mm.
7. The novel corrosion-resistant and wear-resistant metal ceramic mud pump cylinder sleeve as claimed in claim 1, wherein the inner cylinder sleeve is made of high-chromium cast iron, and the wall thickness of the inner cylinder sleeve is 120-150 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109380.7U CN210196003U (en) | 2019-07-16 | 2019-07-16 | Novel corrosion-resistant and wear-resistant cylinder sleeve of metal ceramic slurry pump |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921109380.7U CN210196003U (en) | 2019-07-16 | 2019-07-16 | Novel corrosion-resistant and wear-resistant cylinder sleeve of metal ceramic slurry pump |
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| CN210196003U true CN210196003U (en) | 2020-03-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240292A (en) * | 2019-07-16 | 2021-01-19 | 上海永言特种材料研究所 | Novel corrosion-resistant and wear-resistant cylinder sleeve of metal ceramic slurry pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240292A (en) * | 2019-07-16 | 2021-01-19 | 上海永言特种材料研究所 | Novel corrosion-resistant and wear-resistant cylinder sleeve of metal ceramic slurry pump |
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