CN219975470U - Three-way reversing valve capable of preventing blocking and abrasion - Google Patents
Three-way reversing valve capable of preventing blocking and abrasion Download PDFInfo
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- CN219975470U CN219975470U CN202321477152.1U CN202321477152U CN219975470U CN 219975470 U CN219975470 U CN 219975470U CN 202321477152 U CN202321477152 U CN 202321477152U CN 219975470 U CN219975470 U CN 219975470U
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- diversion
- way reversing
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- 238000005299 abrasion Methods 0.000 title claims abstract description 15
- 230000000903 blocking effect Effects 0.000 title abstract description 7
- 238000011010 flushing procedure Methods 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 17
- 210000001503 joint Anatomy 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 239000010865 sewage Substances 0.000 description 14
- 239000002002 slurry Substances 0.000 description 9
- 238000007599 discharging Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model provides a three-way reversing valve capable of preventing blocking and abrasion; the reversing valve comprises a valve body and a flow guiding ball body, wherein three valve body flow channels are arranged on the valve body, the flow guiding ball body is rotatably arranged in a cavity of the valve body, the flow guiding ball body is internally provided with the flow guiding flow channels, and the two valve body flow channels are communicated through the flow guiding flow channels; a ball cavity is formed between the inner wall of the cavity and the outer spherical surface of the diversion ball body, a flushing port and a drain outlet which are respectively communicated with the ball cavity are arranged on the valve body, the flushing port is connected with a flushing water source through a flushing valve, and the drain outlet is connected with a drain valve; to the inside infiltration ore pulp of three-way reversing valve at present and lead to the problem of water conservancy diversion spheroid card to hinder and wearing and tearing, configuration flushing port and drain, input sparge water in to the spheroid through the flushing port, wash the stock in the ball chamber to the ball chamber bottom to discharge through the drain, prevent that the caking piece from hindering water conservancy diversion spheroid operation or wearing and tearing water conservancy diversion spheroid, improve the stability of valve body operation.
Description
Technical Field
The utility model relates to the field of reversing valves, in particular to a three-way reversing valve capable of preventing blocking and abrasion.
Background
In the production of mines and metallurgical industries, more main pipelines correspond to two branch pipeline working conditions, the main pipelines correspond to one branch pipeline to convey the media according to production requirements at regular time, the butt joint pipelines are detached manually, the labor intensity of manual detachment is high, the three-way reversing valve is used for realizing one-to-two flexible switching under the condition that the pipelines are free from detachment, the ore pulp three-way reversing valve mainly depends on the switching of a control ball valve core to realize one feeding switching of two discharging directions, the valve body of the three-way reversing valve is provided with three flow channels and is divided into one feeding flow channel and two discharging flow channels, 120 angles are formed between the flow channels, two channels form 120 angles in a diversion sphere, the center of the valve body is driven by a central shaft to rotate, and different discharging flow channels are corresponding to the same feeding flow channel according to requirements. In order to ensure smooth rotation, a gap is reserved between the flow guiding ball body and the valve body to form a ball cavity, a sealing ring is arranged on the outer side of each flow channel according to the shape of the edge of the ball body to prevent ore pulp media from entering the ball cavity to block the movement of the ball body, and after the ball body is switched in place, the ball cavity is sealed by the sealing of the feeding and discharging ports, so that the three-way reversing valve is suitable for multi-pipeline switching in ore pulp fluid conveying in the mine metallurgy industry.
Because of the conditions of high abrasion and easy hardening of slurry fluid in the mine metallurgical working condition, the following problems exist in the use process of the three-way reversing valve at present: when the ball is switched, after the viscous ore pulp flows into the ball cavity, the ore pulp is extruded and dehydrated by the flow guiding ball body and the valve body to form hardening, the hardening blocks obstruct the flow guiding ball body to run or abrade the flow guiding ball body, so that the valve is blocked or the pulp is leaked, and meanwhile, the common steel flow channel is easily abraded under the condition that the ore pulp is flushed at a high speed, so that the valve body is worn through to leak the pulp.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art, and provides an anti-blocking and anti-abrasion three-way reversing valve which is provided with a flushing port and a drain outlet, flushing water is input into a ball body through the flushing port, stock in a ball cavity is flushed to the bottom of the ball cavity, and the stock is discharged through the drain outlet, so that a hardening block is prevented from blocking the running of the flow guiding ball body or wearing the flow guiding ball body, and the running stability of a valve body is improved.
In order to achieve the above purpose, the following technical scheme is adopted:
a three-way reversing valve capable of preventing blockage and abrasion comprises a valve body and a flow guide ball body, wherein three valve body flow channels are arranged on the valve body, the flow guide ball body is rotatably arranged in a cavity of the valve body, the flow guide ball body is internally provided with the flow guide flow channels, and the two valve body flow channels are communicated through the flow guide flow channels; a ball cavity is formed between the inner wall of the cavity and the outer spherical surface of the flow guiding ball body, a flushing port and a drain outlet which are respectively communicated with the ball cavity are arranged on the valve body, the flushing port is connected with a flushing water source through a flushing valve, and the drain outlet is connected with a drain valve.
Further, the flushing port and the drain outlet are arranged at intervals, and the drain outlet is arranged at the position of the valve body corresponding to the lowest point of the ball cavity.
Further, the flushing port and the sewage outlet are respectively arranged along the radial direction of the ball cavity, and the position of the flushing port communicated with the ball cavity is higher than the position of the sewage outlet communicated with the ball cavity.
Furthermore, the valve body flow channels are respectively communicated with the ball cavities, and the diversion ball bodies can enable the opening ends of the diversion flow channels to be in butt joint communication with the opening ends of the valve body flow channels through rotation.
Further, a sealing ring is embedded outside an opening of one end of the valve body runner communicated with the ball cavity, and the sealing ring is attached to the outer spherical surface of the diversion ball body.
Further, the axes of the three valve body flow channels are arranged in a coplanar mode, and the included angle of the axes of the adjacent valve body flow channels is 120 degrees.
Further, the diversion flow passage comprises a first section and a second section which are communicated, one ends of the axes of the first section and the second section are in butt joint and are arranged coplanar with the axis of the valve body flow passage, and the included angle of the axes of the first section and the second section is 120 degrees.
Further, the flow guiding sphere passes through the valve body wall through the central shaft and then is connected with the actuator, and the actuator drives the flow guiding sphere to rotate around the axis of the flow guiding sphere so as to adjust the two communicated valve body flow passages.
Furthermore, the valve body flow passage and the diversion passage are respectively provided with a wear-resistant layer.
Further, one end of the valve body runner is connected with the ball cavity in a butt joint mode, the other end of the valve body runner extends out of the valve body, and a connecting flange is arranged at one end, located outside the valve body, of the valve body runner.
Compared with the prior art, the utility model has the advantages and positive effects that:
(1) To the inside infiltration ore pulp of three-way reversing valve at present and lead to the problem of water conservancy diversion spheroid card to hinder and wearing and tearing, configuration flushing port and drain, input sparge water in to the spheroid through the flushing port, wash the stock in the ball chamber to the ball chamber bottom to discharge through the drain, prevent that the caking piece from hindering water conservancy diversion spheroid operation or wearing and tearing water conservancy diversion spheroid, improve the stability of valve body operation.
(2) The valve body flow channel and the diversion flow channel are designed at 120 angles, and the feeding flow channel and any one discharging flow channel can be switched on and switched off rapidly, so that the requirement that one main pipeline corresponds to two branch pipeline working conditions when slurry mediums are conveyed is met.
(3) And special wear-resistant layers are arranged in the valve body flow channel and the diversion channel, so that abrasion caused by high-speed flushing of ore pulp is resisted, the service life of the valve is prolonged, and the problem of pulp leakage caused by grinding through the valve body is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of a three-way reversing valve with anti-seizing and wear protection in an embodiment of the utility model.
Fig. 2 is a schematic view of a flow guiding sphere installed in a sphere cavity according to an embodiment of the present utility model.
In the figure, 1, a valve body, 2, a flow guiding sphere, 3, a sphere cavity, 4, a central shaft, 5, a valve body flow channel, 6, a sealing ring, 7, a flushing valve, 8, a blow-down valve, 9, a wear-resistant layer, 10, a connecting flange, 11 and an actuator.
Detailed Description
In an exemplary embodiment of the present utility model, as shown in fig. 1-2, a three-way reversing valve is provided that is resistant to seizing and wear.
The mining slurry fluid has the characteristics of high abrasion and easy hardening in the mining metallurgical working condition, and the working condition that one main pipeline corresponds to two branch pipelines exists when slurry medium is conveyed, and the main pipeline corresponds to one branch pipeline to convey the medium according to the production requirement at regular time. When the three-way reversing valve is used as a slurry conveying pipeline for switching, after viscous ore pulp flows into the ball cavity 3, the ore pulp is extruded and dehydrated by the flow guiding ball body 2 and the valve body 1 to form hardening, and the hardening blocks obstruct the flow guiding ball body 2 from running or abrade the flow guiding ball body 2, so that the valve is blocked or slurry is leaked.
Based on this, this embodiment provides a three-way reversing valve of anti-sticking and wearing and tearing, disposes flushing port and drain on valve body 1, inputs the sparge water in to the spheroid through the flushing port, washes the stock in the ball chamber 3 to ball chamber 3 bottom to discharge through the drain, prevent that the hardening piece from blockking up water conservancy diversion spheroid 2 operation or wearing and tearing water conservancy diversion spheroid 2, improve the stability of valve body 1 operation.
The three-way reversing valve for preventing blocking and abrasion is described in detail below with reference to the accompanying drawings.
Referring to fig. 1, the three-way reversing valve capable of preventing blocking and abrasion comprises a valve body 1 and a diversion sphere 2, wherein the diversion sphere 2 is rotatably arranged in a cavity of the valve body 1, the diversion sphere 2 is connected with a central shaft 4, one end, far away from the diversion sphere 2, of the central shaft 4 penetrates through the valve body 1 and then is connected with an actuator 11, and the central shaft 4 is rotatably sealed with the valve body 1 at the penetrating position.
The central shaft 4 is connected with the actuator 11, so that the external actuator 11 drives the diversion sphere 2, and the actuator 11 can adopt modes such as a hand wheel, a motor and the like.
Three valve body flow passages 5 are arranged on the valve body 1, one main pipeline for conveying slurry mediums corresponds to two branch pipeline working conditions in the production of mining and metallurgy industries, one valve body flow passage 5 can be connected into the main pipeline, and the other two valve body flow passages 5 are respectively connected with the branch pipelines.
The flow guiding ball body 2 is internally provided with a flow guiding flow channel, the two valve body flow channels 5 are communicated through the flow guiding flow channel, and when the flow guiding ball body 2 is switched under the action of the actuator 11, the valve body flow channel 5 communicated with the flow guiding flow channel is changed.
The valve body flow channel 5 is respectively communicated with the ball cavity 3, and the diversion ball 2 can enable the opening end of the diversion flow channel to be in butt joint communication with the opening end of the valve body flow channel 5 through rotation; optionally, the central shaft 4 is connected with the actuator 11 through a spline or a long key, and the diversion sphere 2 can be rotated to conduct any two valve body flow passages 5 through the rotation of the actuator 11.
As shown in fig. 2, a ball cavity 3 is formed between the inner wall of the cavity and the outer spherical surface of the flow guiding ball body 2, smooth running of the flow guiding ball body 2 is ensured, a flushing port and a sewage outlet which are respectively communicated with the ball cavity 3 are arranged on the valve body 1, the flushing port is connected with a flushing water source through a flushing valve 7, and the sewage outlet is connected with a sewage outlet valve 8. Optionally, the flushing valve 7 is matched with the flushing port through threaded connection, and the drain valve 8 is matched with the drain port through threaded connection.
Optionally, the flushing valve 7 can be connected to a flushing water source through a water pipe, the flushing water source can be a high-pressure water pump combined with a water tank or a water pipe, the pressure water flow enters the ball cavity 3 after passing through the water pipe and the flushing valve 7, the slurry stored in the ball cavity 3 is flushed, the plate caking is destroyed, the material stored in the ball cavity 3 is flushed to a sewage outlet position, and the material is discharged through the sewage outlet valve 8, so that the caking is prevented from obstructing the running of the diversion sphere 2 or wearing the sphere.
In order to facilitate flushing and sewage discharge, the flushing port and the sewage discharge port are arranged at intervals, and the sewage discharge port is arranged at the position of the valve body 1 corresponding to the lowest point of the ball cavity 3; the flushing port and the sewage outlet are respectively arranged along the radial direction of the ball cavity 3, conform to the direction of flushing water injection and the direction of sewage discharge, and the position of the flushing port communicated with the ball cavity 3 is higher than that of the sewage outlet communicated with the ball cavity 3, so that the sewage discharge is convenient, and the residue in the ball cavity 3 is reduced.
It will be appreciated that the drain valve 8 of the drain may also be connected to a source of flushing water, with the flushing port being the drain outlet for back flushing. After the diversion flow passage is switched, the flushing valve 7 and the blow-off valve 8 are opened simultaneously, so that the sand accumulation in the ball cavity 3 is flushed.
As shown in fig. 2, a sealing ring 6 is embedded outside an opening of one end of the valve body runner 5, which is communicated with the ball cavity 3, and the sealing ring 6 is attached to the outer spherical surface of the diversion ball body 2. The sealing ring 6 is arranged at the joint of the three valve body flow passages 5 of the valve body 1 and the flow guide flow passage of the flow guide ball body 2, the sealing ring 6 is fixed on the valve body 1, and the sealing ring 6 can be in interference fit with the flow guide ball body 2, so that the communicated valve body flow passages 5 and the flow guide flow passages are isolated from the ball cavity 3.
The sealing ring 6 is elastic wear-resistant rubber, one side of the sealing ring 6 corresponding to the diversion sphere 2 is provided with a chamfer convex design, and the edge of a backflow port is prevented from scratching the sealing ring 6 in the conversion process of the diversion sphere 2.
In order to ensure the accuracy of the butt joint of the flow guiding channels on the flow guiding sphere 2 and the valve body flow channels 5, the axes of the three valve body flow channels 5 are arranged in a coplanar manner, and the included angle between the axes of the adjacent valve body flow channels 5 is 120 degrees; the diversion flow passage comprises a first section and a second section which are communicated, one ends of the axes of the first section and the second section are in butt joint and are arranged in a coplanar mode with the axis of the valve body flow passage 5, and the included angle of the axes of the first section and the second section is 120 degrees.
The valve body flow passage 5 and the diversion flow passage all adopt 120-degree included angle structures, and the valve body flow passage 5 for conducting feeding and the valve body flow passage 5 for discharging at any time can be rapidly switched.
The valve body flow passage 5 and the diversion passage are internally provided with a wear-resistant layer 9 for resisting the scour and abrasion of ore pulp, and the wear-resistant layer 9 can be obtained by spraying wear-resistant materials; one end of the valve body flow passage 5 is connected with the ball cavity 3 in a butt joint way, the other end of the valve body flow passage extends out of the valve body 1, one end of the valve body flow passage 5 positioned out of the valve body 1 is provided with a connecting flange 10, and the connecting flange 10 is used for connecting a pipeline for conveying ore pulp in a butt joint way.
When in actual work:
as shown in fig. 1, the anti-blocking and abrasion three-way reversing valve is arranged on a pulp conveying pipeline and is divided into an inlet and an outlet, a valve body 1 is connected with a flange screw arranged on the pipeline through a connecting flange 10, when the valve body 1 needs to change a flow passage, a central shaft 4 is driven by an actuator 11 to drive a flow guiding sphere 2 to rotate, after the flow guiding sphere 2 rotates for 120 degrees, the flow passage is successfully switched, and in the switching process, a sealing ring 6 is always tightly attached to the surface of the flow guiding sphere 2.
In the flow channel switching process, the flow channel of the flow guiding sphere 2 and the sealing ring 6 are changed into dislocation from corresponding, medium in the flow channel of the flow guiding sphere 2 flows into the sphere cavity 3, and is hardened in the sphere cavity 3 after long-term accumulation. After the flow passage conversion is completed, the flushing valve 7 and the blow-off valve 8 are required to be opened, the ball cavity 3 is cleaned by means of a water source, and the hardened mortar medium is discharged from the blow-off valve 8.
The slurry medium enters through the inlet runner of the three-way reversing valve which is prevented from being blocked and worn, enters into the outlet runner which is in butt joint through the diversion runner of the diversion sphere 2, directly contacts with the wear-resistant layer 9 sprayed in the runners of the valve body 1 and the diversion sphere 2, does not wear the materials of the valve body 1 and the diversion sphere 2, and can prolong the service life of the whole valve.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The three-way reversing valve is characterized by comprising a valve body and a diversion ball body, wherein three valve body flow passages are arranged on the valve body, the diversion ball body is rotatably arranged in a cavity of the valve body, the diversion ball body is internally provided with the diversion flow passages, and the two valve body flow passages are communicated through the diversion flow passages; a ball cavity is formed between the inner wall of the cavity and the outer spherical surface of the flow guiding ball body, a flushing port and a drain outlet which are respectively communicated with the ball cavity are arranged on the valve body, the flushing port is connected with a flushing water source through a flushing valve, and the drain outlet is connected with a drain valve.
2. The anti-seizing and wear three-way reversing valve according to claim 1, wherein the flushing port and the drain port are arranged at intervals, and the drain port is arranged at a valve body position corresponding to the lowest point of the ball cavity.
3. The anti-seize and wear three-way reversing valve according to claim 1 or 2, wherein the flushing port and the drain are arranged along the radial direction of the ball chamber, respectively, and the position of the flushing port communicating with the ball chamber is higher than the position of the drain communicating with the ball chamber.
4. The anti-seizing and wear three-way reversing valve according to claim 1, wherein the valve body flow passages are respectively communicated with the ball cavities, and the diversion ball body can enable the open ends of the diversion flow passages to be in butt joint communication with the open ends of the valve body flow passages through rotation.
5. The three-way reversing valve for preventing blockage and abrasion according to claim 4, wherein a sealing ring is embedded outside an opening of one end of the valve body runner, which is communicated with the ball cavity, and the sealing ring is attached to the outer spherical surface of the diversion ball body.
6. The anti-seize and wear three way reversing valve of claim 1 or 4 or 5, wherein the axes of said three valve body flow passages are arranged co-planar and the included angle between the axes of adjacent valve body flow passages is 120 °.
7. The anti-seize and wear three way reversing valve of claim 6, wherein said flow-directing flow passage includes first and second segments in communication, the first and second segments having their axes abutting at one end and disposed coplanar with the axis of the flow passage of the valve body, the first and second segments having their axes at an angle of 120 °.
8. The anti-seizing and wear three-way reversing valve according to claim 1, wherein the diversion ball passes through the wall of the valve body through the central shaft and then is connected with an actuator, and the actuator drives the diversion ball to rotate around the axis of the diversion ball so as to adjust the two communicated valve body flow passages.
9. The anti-seizing and wear three-way reversing valve according to claim 1, wherein wear-resistant layers are provided in both the valve body flow passage and the diversion passage.
10. The three-way reversing valve for preventing blockage and abrasion according to claim 1, wherein one end of the valve body runner is opposite to the ball receiving cavity, the other end of the valve body runner extends out of the valve body, and a connecting flange is arranged at one end of the valve body runner, which is located outside the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477152.1U CN219975470U (en) | 2023-06-09 | 2023-06-09 | Three-way reversing valve capable of preventing blocking and abrasion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321477152.1U CN219975470U (en) | 2023-06-09 | 2023-06-09 | Three-way reversing valve capable of preventing blocking and abrasion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219975470U true CN219975470U (en) | 2023-11-07 |
Family
ID=88577617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321477152.1U Active CN219975470U (en) | 2023-06-09 | 2023-06-09 | Three-way reversing valve capable of preventing blocking and abrasion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219975470U (en) |
-
2023
- 2023-06-09 CN CN202321477152.1U patent/CN219975470U/en active Active
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