CN216342834U - Wear-resisting outlet pipe of slurry pump - Google Patents
Wear-resisting outlet pipe of slurry pump Download PDFInfo
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- CN216342834U CN216342834U CN202120555769.5U CN202120555769U CN216342834U CN 216342834 U CN216342834 U CN 216342834U CN 202120555769 U CN202120555769 U CN 202120555769U CN 216342834 U CN216342834 U CN 216342834U
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Abstract
The utility model discloses a wear-resistant outlet pipe of a slurry pump, which comprises a connecting pipe metal shell, wherein flange plates are arranged at two ends of the connecting pipe metal shell, a ceramic pipe is sleeved in the connecting pipe metal shell, and the ceramic pipe is hermetically connected with the connecting pipe metal shell. The utility model utilizes the performances of corrosion resistance, high hardness and high wear resistance of the ceramic pipe, and improves the whole wear resistance by adding a layer of ceramic pipe lining inside the metal shell of the connecting pipe, thereby prolonging the service life of the outlet pipe, solving the problem that the existing single-layer metal outlet pipe is easy to wear and has increased cost caused by continuous replacement, and simultaneously improving the operation efficiency.
Description
Technical Field
The utility model relates to the technical field of slurry pumps, in particular to a wear-resistant outlet pipe of a slurry pump.
Background
The slurry pump is a device for converting electric energy into kinetic energy and potential energy of a medium by a machine for increasing energy of a solid-liquid mixed medium by the action of centrifugal force (rotation of an impeller of the pump). The method is mainly suitable for the following steps: the fields of mine, power plant, dredging, metallurgy, chemical industry, building materials, petroleum and other industries.
The slurry pump delivers a mixture of solid particles containing dross and water. Therefore, the outlet pipe is extremely easy to wear in the conveying process, the pressure at the outlet of the slurry pump is high and can reach 0.8-1.2Mpa, the outlet pipe is easy to damage due to the fact that the material is seriously scoured and worn, the conventional outlet pipe adopts a QT450 casting structure, and the outlet pipe is frequently required to be replaced due to serious wear after long-term use, and the use cost is increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the wear-resistant outlet pipe of the slurry pump, which utilizes the performances of corrosion resistance, high hardness and high wear resistance of the ceramic pipe, and improves the whole wear resistance by adding a layer of ceramic pipe lining inside the metal shell of the connecting pipe, thereby prolonging the service life of the outlet pipe, solving the problems that the existing single-layer metal outlet pipe is easy to wear and the cost is increased due to continuous replacement, and simultaneously improving the operation efficiency.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a wear-resisting outlet pipe of sediment stuff pump, is including taking over the metal-back, the both ends of taking over the metal-back all are equipped with the ring flange, take over metal-back endotheca and have ceramic pipe, ceramic pipe and take over sealing connection between the metal-back.
Preferably, the ceramic tube and the metal shell of the adapter tube are connected by an adhesive.
Preferably, the adhesive is AB glue.
Preferably, the flange plate comprises a movable flange plate and a fixed flange plate, one end of the connecting pipe metal shell is connected with the fixed flange plate, the other end of the connecting pipe metal shell is provided with a limiting ring, and the movable flange plate is sleeved on the outer side of the connecting pipe metal shell and can rotate around the connecting pipe metal shell.
Preferably, one side of the limiting ring is provided with a first sealing ring.
Preferably, the side wall of the connecting pipe metal shell is provided with a fixing hole, a bolt for compressing the ceramic pipe is connected in the fixing hole in a threaded manner, and a second sealing ring is arranged between the two ends of the ceramic pipe and the connecting pipe metal shell.
Preferably, a sealant is arranged in the fixing hole.
Preferably, the outer side walls of the two ends of the ceramic tube are provided with abdicating grooves matched with the second sealing rings.
Preferably, the thickness of the second sealing ring becomes thicker gradually from inside to outside.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model utilizes the performances of corrosion resistance, high hardness and high wear resistance of the ceramic pipe, and improves the whole wear resistance by adding a layer of ceramic pipe lining inside the metal shell of the connecting pipe, thereby prolonging the service life of the outlet pipe, solving the problem that the existing single-layer metal outlet pipe is easy to wear and has increased cost caused by continuous replacement, and simultaneously improving the operation efficiency.
2. The ceramic tube and the connecting tube metal shell are connected through the adhesive, so that the fixation and sealing between the ceramic tube and the connecting tube metal shell are met, and the convenience of assembly and fixation can be improved.
3. The movable flange plate is arranged, and the movable flange plate can rotate, so that bolt holes are conveniently aligned when the movable flange plate is connected and used, and the convenience in connection and use is improved.
4. According to the utility model, the ceramic tube and the connecting tube metal shell are arranged in a detachable structure, so that the ceramic tube can be replaced, the replacement of the whole structure after damage is avoided, the cost is saved, and the detachable structure is simple and the detachable structure is rapid.
5. According to the design, the outer side walls of the two ends of the ceramic tube are provided with the abdicating grooves matched with the second sealing rings, the thickness of the second sealing rings is gradually thickened from inside to outside, sealing is achieved when the ceramic tube is connected with the pump body and the pipeline flange, the second sealing rings can be pressed by the pipeline and the flange of the pump body, the second sealing rings are pressed, deformed and expanded, sealing is carried out between the connecting tube metal shell and the ceramic tube, meanwhile, the pressed second sealing rings can press the ceramic tube, sealing performance and stability in use are guaranteed, and the second sealing rings are convenient to replace.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view of a ceramic tube according to a second embodiment;
FIG. 3 is a schematic structural view of a second seal ring;
FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;
fig. 5 is an enlarged view of fig. 4 at a.
In the figure: 1-a limit ring; 2-a first sealing ring; 3-a movable flange plate; 4-connecting the metal shell; 401-a fixation hole; 5-fixing a flange plate; 6-a ceramic tube; 601-a yielding slot; 7-adhesive; 8-a second sealing ring; 9-bolt; 10-sealing glue.
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 the first embodiment, the first step is,
as shown in fig. 1, a wear-resisting outlet pipe of slurry pump, including taking over metal casing 4, the both ends of taking over metal casing 4 all are equipped with the ring flange, take over 4 endotheca of metal casing and have ceramic pipe 6, sealing connection between ceramic pipe 6 and the takeover metal casing 4, utilize ceramic pipe 6 to have corrosion-resistant, the high rigidity, the performance of high abrasion resistance, through increasing the 6 inside linings of one deck ceramic pipe in the inside of taking over metal casing 4, improve holistic wear resistance, thereby the life of outlet pipe has been improved, solve present individual layer metal outlet pipe easy wear, the problem of the cost increase that continuous change leads to, the operating efficiency has been improved simultaneously.
In this embodiment, the ceramic tube 6 and the connecting tube metal shell 4 are connected by the adhesive 7, and the adhesive 7 is an AB glue, which not only satisfies the fixation and sealing between the ceramic tube 6 and the connecting tube metal shell 4, but also improves the convenience of assembly and fixation.
In order to improve the convenience of use, the flange plate comprises a movable flange plate 3 and a fixed flange plate 5, one end of a connecting pipe metal shell 4 is welded and fixed with the fixed flange plate 5, the other end of the connecting pipe metal shell 4 is provided with a limiting ring 1 and is welded and fixed, the inner diameter of the limiting ring 1 is the same as that of the connecting pipe metal shell 4, the outer diameter of the limiting ring is larger than that of the connecting pipe metal shell 4, the movable flange plate 3 is sleeved on the outer side of the connecting pipe metal shell 4 and can rotate around the connecting pipe metal shell 4, the movable flange plate 3 can rotate, bolt holes are convenient to align when the connecting pipe is used, and the convenience of connecting the connecting pipe during use is improved. An O-shaped first sealing ring 2 is arranged on one side of the limiting ring 1 and used for improving the sealing performance when the limiting ring is connected with a pump body.
In the second embodiment, the first embodiment of the method,
as shown in fig. 4 and 5, in order to realize the replacement of the ceramic tube 6, in the present embodiment, the connection sealing structure between the adapter metal shell 4 and the ceramic tube 6 is: the side wall of the connecting pipe metal shell 4 is provided with a fixing hole 401, the fixing hole 401 is internally threaded with a bolt 9 for compressing the ceramic pipe 6, the outer diameter of the ceramic pipe 6 is matched with the inner diameter of the connecting pipe metal shell 4, the ceramic pipe 6 is compressed and fixed through the bolt 9 after being assembled in the connecting pipe metal shell 4, a second sealing ring 8 is arranged between the two ends of the ceramic pipe 6 and the connecting pipe metal shell 4, and sealing and compressing between the ceramic pipe 6 and the connecting pipe metal shell 4 are further realized.
In order to prevent rusting and liquid leakage, the fixing hole 401 is provided with a sealant 10 for plugging.
As shown in fig. 2, be equipped with on the both ends lateral wall of ceramic pipe 6 with second sealing washer 8 complex groove 601 of stepping down, as shown in fig. 3, the thickness of second sealing washer 8 is the thickening gradually from inside to outside, the cross-section of second sealing washer 8 is triangle-shaped, so design, when with the pump body and pipeline flange joint, the pipeline can compress tightly second sealing washer 8 with the flange of the pump body, second sealing washer 8 pressurized deformation inflation, will take over and seal between metal casing 4 and ceramic pipe 6, second sealing washer 8 after the while pressurized can push down ceramic pipe 6, leakproofness and stability when guaranteeing to use, and second sealing washer 8 changes conveniently.
When the ceramic tube 6 needs to be replaced, the second sealing ring 8 only needs to be removed, the sealant 10 is damaged, the bolt 9 is loosened, the ceramic tube 6 is not extruded, the ceramic tube 6 is replaced and then fixed again through the bolt 9, the sealant 10 is applied to the fixing hole 401, and the second sealing ring 8 is installed.
The rest of the structure in this embodiment is the same as that in the first embodiment.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a wear-resisting outlet pipe of sediment stuff pump, is including taking over the metal-back, the both ends of taking over the metal-back all are equipped with ring flange, its characterized in that: and a ceramic pipe is sleeved in the connecting pipe metal shell, and the ceramic pipe is hermetically connected with the connecting pipe metal shell.
2. A wear resistant outlet tube for slurry pumps as claimed in claim 1 wherein: the ceramic tube is connected with the metal shell of the connecting tube through adhesive.
3. A wear resistant outlet tube for slurry pumps as claimed in claim 2 wherein: the adhesive is AB glue.
4. A wear resistant outlet tube for slurry pumps as claimed in claim 1 wherein: the flange plate comprises a movable flange plate and a fixed flange plate, one end of the connecting pipe metal shell is connected with the fixed flange plate, the other end of the connecting pipe metal shell is provided with a limiting ring, and the movable flange plate is sleeved on the outer side of the connecting pipe metal shell and can rotate around the connecting pipe metal shell.
5. A wear resistant outlet tube for slurry pumps as claimed in claim 4 wherein: one side of the limiting ring is provided with a first sealing ring.
6. A wear resistant outlet tube for slurry pumps as claimed in claim 5 wherein: the side wall of the connecting pipe metal shell is provided with a fixing hole, a bolt for compressing the ceramic pipe is connected in the fixing hole in a threaded mode, and second sealing rings are arranged between the two ends of the ceramic pipe and the connecting pipe metal shell.
7. A wear resistant outlet tube for slurry pumps as claimed in claim 6 wherein: and a sealant is arranged in the fixing hole.
8. A wear resistant outlet tube for slurry pumps as claimed in claim 6 wherein: and the outer side walls of the two ends of the ceramic tube are provided with abdicating grooves matched with the second sealing rings.
9. A wear resistant outlet tube for slurry pumps as claimed in claim 6 wherein: the thickness of the second sealing ring is gradually thickened from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120555769.5U CN216342834U (en) | 2021-03-17 | 2021-03-17 | Wear-resisting outlet pipe of slurry pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120555769.5U CN216342834U (en) | 2021-03-17 | 2021-03-17 | Wear-resisting outlet pipe of slurry pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342834U true CN216342834U (en) | 2022-04-19 |
Family
ID=81129236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120555769.5U Active CN216342834U (en) | 2021-03-17 | 2021-03-17 | Wear-resisting outlet pipe of slurry pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216342834U (en) |
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2021
- 2021-03-17 CN CN202120555769.5U patent/CN216342834U/en active Active
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