CN218440821U - One-way valve for pipeline of mining mud pump - Google Patents
One-way valve for pipeline of mining mud pump Download PDFInfo
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- CN218440821U CN218440821U CN202222071608.6U CN202222071608U CN218440821U CN 218440821 U CN218440821 U CN 218440821U CN 202222071608 U CN202222071608 U CN 202222071608U CN 218440821 U CN218440821 U CN 218440821U
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Abstract
The utility model relates to the field of valves, in particular to a mining slurry pump pipeline check valve, which is characterized in that the check valve comprises a valve body, an upper cover, a valve seat, a valve plate assembly, a first guide sleeve seat, a second guide sleeve seat and a spring, wherein the valve body is provided with a feeding flange port and a discharging flange port, a 135-degree flange neck is connected between the discharging flange port and the valve body, the upper cover is positioned on the valve body opposite to the feeding flange port, and the inner side of the upper cover is connected with the first guide sleeve seat; the valve plate assembly comprises a valve rod, a first valve plate seat, a second valve plate seat and a sealing gasket, the valve rod and the second valve plate seat are integrated into a metal structural part, and the sealing gasket is clamped between the second valve plate seat and the first valve plate seat and connected through bolts. Compared with the prior art, the beneficial effects of the utility model are that: the check valve part is used as a complete component, and only needs to be connected with the pump body mounting flange during replacement, so that the check valve is convenient to disassemble and assemble, is favorable for standardized production, has strong interchangeability, and can greatly improve the maintenance efficiency of the slurry pump.
Description
Technical Field
The utility model relates to a valve field, concretely relates to mining slush pump pipeline check valve.
Background
The one-way valve is a key component of the high-pressure double-hose diaphragm pump and plays a role in one-way overflowing; the abrasiveness and corrosivity of conveying media such as coal slurry and the like, and the continuous opening and closing actions of the one-way valve during the high-pressure operation of the diaphragm pump bring continuous strong impact and high-speed scouring to the valve core and the valve seat of the diaphragm pump, so that the one-way valve becomes a vulnerable part, the performance and the continuous operation rate of the diaphragm pump are directly influenced by the performance and the service life of the one-way valve for the diaphragm pump, and the influence on the capacity of the whole working system and the operation loss of equipment is huge.
The one-way valve in the diaphragm pump comprises a valve core and a valve seat, wherein the valve core and the valve seat in the diaphragm pump frequently reciprocate periodically, are arranged at a suction inlet and a discharge outlet of the pump and are used for conveying ore pulp; because the ore pulp is transported by the ore pulp which moves frequently, the service life of the ore pulp is more than one month at most, and the ore pulp is a consumable product.
Chinese utility model patent with application number 202021424925.6 discloses a reciprocating pump check valve of improvement structure, has valve seat body and valve cone, and its characterized in that has the valve seat body seal on the valve seat body, has on the valve cone with the sealed complex valve cone seal of valve seat body, and the valve seat body seal is mutually supported with the valve cone seal and is constituteed valve seat body valve cone sealed face. The zirconia ceramic sealing surface has the advantages of high hardness, high toughness, high bending strength, high wear resistance, thermal expansion coefficient close to that of steel and the like.
In the prior art, the check valve is generally arranged at a suction port and a discharge port of a slurry pump and is not used as an independent component, and the reciprocating opening and closing of the slurry pump are very frequent, so that the service life of the check valve is constantly pursued in the industry, but the check valve is still a part which needs to be frequently replaced undeniably, and the problem of low maintenance efficiency is caused because the integral replacement cannot be realized.
Disclosure of Invention
The utility model aims at providing a mining slush pump pipeline check valve overcomes the defect that prior art exists, adopts the integrated design, optimizes the matching to the material of sealing member and uide bushing, increase of service life, convenient the change, interchangeability is strong, improves the maintenance efficiency of slush pump, and the guarantee production is in the same direction as moving.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a one-way valve for a mining slurry pump pipeline is characterized by comprising a valve body, an upper cover, a valve seat, a valve plate assembly, a first guide sleeve seat, a second guide sleeve seat and a spring, wherein a feeding flange port and a discharging flange port are arranged on the valve body, a 135-degree flange neck is connected between the discharging flange port and the valve body, the upper cover is positioned on the valve body opposite to the feeding flange port, and the inner side of the upper cover is connected with the first guide sleeve seat; the valve plate assembly comprises a valve rod, a first valve plate seat, a second valve plate seat and a sealing gasket, the valve rod and the second valve plate seat are integrated into a metal structural part, and the sealing gasket is clamped between the second valve plate seat and the first valve plate seat and is connected with the first valve plate seat through a bolt; the upper end of the valve rod is connected with the first guide sleeve seat in a sliding mode, the lower end of the valve rod is connected with the second guide sleeve seat in a sliding mode, two ends of the second guide sleeve seat are connected to the inner side of the valve seat respectively, and an O-shaped ring is arranged between the outer side of the valve seat and the valve body; and a spring is arranged between the first guide sleeve seat and the first valve plate seat.
Furthermore, a first guide sleeve is arranged between the upper end of the valve rod and the first guide sleeve seat, and a second guide sleeve is arranged between the lower end of the valve rod and the second guide sleeve seat.
Furthermore, the valve seat is provided with a sealing ring at the position where the sealing gasket is matched with the valve seat, the sealing ring is connected with the valve seat through a screw, and the sealing ring is made of high-carbon chromium bearing steel.
Furthermore, be equipped with clean water injection hole on 135 flange necks, the blowoff hole has been seted up to the lowest side of valve body, and clean water injection hole and blowoff hole all are in the communicating space of valve plate subassembly dorsal side.
Furthermore, a through pressure balance hole is formed in the first guide sleeve seat.
Further, the cross section of the pressure balance hole is rectangular or circular.
Further, the first guide sleeve and/or the second guide sleeve are/is a sleeve body made of PEEK-500 materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The integral design is adopted, so that the one-way valve part is taken as a complete component, and only needs to be connected with the pump body mounting flange during replacement, the assembly and disassembly are convenient, the standardized production is facilitated, the interchangeability is strong, the overhaul efficiency of the slurry pump can be greatly improved, and the smooth production is ensured; 2) The materials of the sealing element and the guide sleeve are optimally matched to form a design with equal service life, so that the service life is prolonged, synchronous replacement and maintenance can be realized in the other direction, and the production cost is reduced. 3) The check valve adopts a 135-degree inclined connection mode, is convenient for field installation and maintenance, and can reduce pressure loss and part damage caused by mud impact. 4) The stop flushing port is arranged, so that the condition that equipment faults are possibly caused by mud deposition in the valve after the stop is reduced, and the stop flushing port can be widely applied to various types of mining pipeline mud pumps.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1-valve body, 2-upper cover, 3-valve seat, 4-valve plate assembly, 5-first guide sleeve seat, 6-second guide sleeve seat, 7-spring, 8-feeding flange port, 9-discharging flange port, 10-135 degree flange neck, 11-valve rod, 12-first valve plate seat, 13-second valve plate seat, 14-sealing gasket, 15-O-shaped ring, 16-first guide sleeve, 17-second guide sleeve, 18-sealing ring, 19-cleaning water injection hole, 20-blow-off hole and 21-pressure balance hole.
Detailed description of the preferred embodiment
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The embodiment of the one-way valve for the mining slurry pump pipeline is schematically shown in the figure 1, and comprises a valve body 1, an upper cover 2, a valve seat 3, a valve plate assembly 4, a first guide sleeve seat 5, a second guide sleeve seat 6 and a spring 7, wherein the valve body 1 is provided with a feeding flange port 8 and a discharging flange port 9, a 135-degree flange neck 10 is connected between the discharging flange port 9 and the valve body 1, the upper cover 2 is positioned on the valve body 1 opposite to the feeding flange port 8, and the inner side of the upper cover 2 is connected with the first guide sleeve seat 5; the valve plate assembly 4 comprises a valve rod 11, a first valve plate seat 12, a second valve plate seat 13 and a sealing gasket 14, the valve rod 11 and the second valve plate seat 13 are integrated metal structural parts, the sealing gasket 14 is clamped between the second valve plate seat 13 and the first valve plate seat 12 and is connected through bolts, and the sealing gasket 14 is made of polyurethane materials; the upper end of the valve rod 11 is connected with the first guide sleeve seat 5 in a sliding manner, the lower end of the valve rod 11 is connected with the second guide sleeve seat 6 in a sliding manner, two ends of the second guide sleeve seat 6 are respectively connected to the inner side of the valve seat 3, and an O-shaped ring 15 is arranged between the outer side of the valve seat 3 and the valve body 1; a spring 7 is arranged between the first guide sleeve seat 5 and the first valve plate seat 12.
A first guide sleeve 16 is arranged between the upper end of the valve rod 11 and the first guide sleeve seat 5, and a second guide sleeve 17 is arranged between the lower end of the valve rod 11 and the second guide sleeve seat 6. The first guide sleeve 16 and the second guide sleeve 17 are made of PEEK-500 materials, and the first guide sleeve 16 and the second guide sleeve 17 made of PEEK-500 (polyether ether ketone carbon fiber) improve the axial limiting precision, so that the structure is more reasonable, and the service life of the check valve is prolonged.
The sealing ring 18 is arranged at the matching position of the valve seat 3 and the sealing gasket 14, the sealing ring 18 is connected with the valve seat 3 through a screw, the sealing ring 18 is made of high-carbon chromium bearing steel, and after the sealing ring 18 is worn, the sealing ring can be partially replaced during maintenance, so that the operation cost is reduced.
Be equipped with clean water injection hole 19 on 135 flange neck 10, blowoff hole 20 has been seted up to the lowest side of valve body 1, and clean water injection hole 19 and blowoff hole 20 all are in the dorsal communicating space of valve plate subassembly 4, and the check valve is normal during operation, and clean water injection hole 19 and blowoff hole 20 are sealed by the sealing plug, prevent to leak. The first guide sleeve seat 5 is provided with a through pressure balance hole 21. The section of the pressure balance hole 21 is rectangular, and the pressure balance hole 21 is used for eliminating the influence on the action of the valve plate assembly 4 caused by the compression and release of gas in the guide sleeve seat when the valve plate assembly 4 moves up and down.
The working principle is as follows: the utility model discloses mining slush pump pipeline check valve is connected with mining slush pump pipeline through feeding flange mouth 8 and ejection of compact flange mouth 9, and under the pressure of slush pump, closed motion is opened to 4 axial of valve plate subassembly, realizes the opening and the closure effect of check valve to mud. When the slurry pump needs to be stopped, in order to prevent the slurry from depositing in the one-way valve, water can be injected into the valve body 1 at the clean water injection hole 19, the sewage discharge hole 20 is opened, the slurry is discharged until the discharged water is clear, which indicates that the slurry is discharged, and subsequent maintenance or other operations can be carried out.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without any creative work belong to the protection scope of the present invention.
Claims (7)
1. A one-way valve for a mining slurry pump pipeline is characterized by comprising a valve body, an upper cover, a valve seat, a valve plate assembly, a first guide sleeve seat, a second guide sleeve seat and a spring, wherein a feeding flange opening and a discharging flange opening are formed in the valve body; the valve plate assembly comprises a valve rod, a first valve plate seat, a second valve plate seat and a sealing gasket, the valve rod and the second valve plate seat are integrated into a metal structural part, and the sealing gasket is clamped between the second valve plate seat and the first valve plate seat and is connected with the first valve plate seat through a bolt; the upper end of the valve rod is connected with the first guide sleeve seat in a sliding mode, the lower end of the valve rod is connected with the second guide sleeve seat in a sliding mode, two ends of the second guide sleeve seat are connected to the inner side of the valve seat respectively, and an O-shaped ring is arranged between the outer side of the valve seat and the valve body; and a spring is arranged between the first guide sleeve seat and the first valve plate seat.
2. The one-way valve for a mining mud pump pipeline as claimed in claim 1, wherein a first guide sleeve is arranged between the upper end of the valve rod and the first guide sleeve seat, and a second guide sleeve is arranged between the lower end of the valve rod and the second guide sleeve seat.
3. The one-way valve for the mining mud pump pipeline as claimed in claim 1, wherein a sealing ring is arranged at the matching position of the valve seat and the sealing gasket, the sealing ring is connected with the valve seat through a screw, and the sealing ring is made of high-carbon chromium bearing steel.
4. The one-way valve for the pipeline of the mining mud pump as claimed in claim 1, wherein a cleaning water injection hole is formed in the 135-degree flange neck, a sewage discharge hole is formed in the lowest side of the valve body, and the cleaning water injection hole and the sewage discharge hole are both positioned in a communicated space at the back side of the valve plate assembly.
5. The one-way valve for a mining mud pump pipeline as claimed in claim 1, wherein the first guide sleeve seat is provided with a pressure balancing hole therethrough.
6. The mining mud pump pipeline check valve as claimed in claim 5, wherein the pressure balancing hole is rectangular or circular in cross-section.
7. The one-way valve for a mining mud pump pipeline as claimed in claim 2, wherein the first guide sleeve and/or the second guide sleeve is a PEEK-500 sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222071608.6U CN218440821U (en) | 2022-08-08 | 2022-08-08 | One-way valve for pipeline of mining mud pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222071608.6U CN218440821U (en) | 2022-08-08 | 2022-08-08 | One-way valve for pipeline of mining mud pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218440821U true CN218440821U (en) | 2023-02-03 |
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ID=85092766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222071608.6U Active CN218440821U (en) | 2022-08-08 | 2022-08-08 | One-way valve for pipeline of mining mud pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218440821U (en) |
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2022
- 2022-08-08 CN CN202222071608.6U patent/CN218440821U/en active Active
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