CN1451900A - Plane rotating multi-channel valve - Google Patents
Plane rotating multi-channel valve Download PDFInfo
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- CN1451900A CN1451900A CN 03131520 CN03131520A CN1451900A CN 1451900 A CN1451900 A CN 1451900A CN 03131520 CN03131520 CN 03131520 CN 03131520 A CN03131520 A CN 03131520A CN 1451900 A CN1451900 A CN 1451900A
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- valve
- spool
- runner
- valve seat
- flow channel
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Abstract
A multi-channel valve turned planarly is composed of valve seat with a central channel and several peripheral channels, valve core with a central channel and several offset channel relative to said peripheral channels, valve cover, valve rod and control executing mechanism. Its advantages are delivering fluids via multiple channels, and low cost.
Description
Technical field
The present invention relates to a kind of valve that is used for flowing mediums such as conveying gas, liquid, gas-solid (granule) mixture, liquid-solid (granule) mixture, rotation multithread road, particularly a kind of plane valve.
Background technique
In the spoil disposal technology of plumbing factory (liquid-solid mixture conveying), according to technological requirement, utilize the deposition tank height of water level to produce static pressure, from deposition tank, get rid of the mud of bottom.Traditional way is that several (such as four) deposition tank share a total drain pipe and a total blowdown valve.According to fluid mechanics principle: fluid has the trend that flows along rill resistance direction.In the fluid system of blowdown technology, less near the front end deposition tank flow resistance of total blowdown valve, mud is discharged easily; Rear end deposition tank flow resistance away from main valve is bigger, and mud is difficult to discharge.Because there is the difference of flow resistance in the process system, so in the place that mud is difficult to discharge, deposition tank just stops up easily.Deposition tank just stops up more and is not easy to discharge mud more, if things go on like this, and vicious circle.The deposition obstruction can cause the deposition tank Processing capacity to diminish, and maintenance load increases, and this problem becomes " bottleneck " on the spoil disposal production technology.
Be transported in the feed bin technology at production solid powders (gas-solid mixture conveying) such as petrochemical industry, cement manufacturings, be by a main delivery pipe, the conveying of powdery solid thing is dispensed to n different feed bin, adopt two logical or triple valves to switch on the existing processes, invest bigger, be not easy to control.
And, in gas-solid mixture, liquid-solid mixture course of conveying,, be easy to cause the obstruction of pipeline and online equipment (comprising this valve self) because solid matter is easy to precipitation.On concrete the application, press for and overcome this problem effectively, reach and produce purpose steady in a long-term.
Summary of the invention
The present invention wants one of technical solution problem is exactly that blocking problem appears in the existing plumbing factory mud discharging device that adopted easily.
Another technical problem that the present invention will solve is the problem that industry powder output device complex process such as existing petrochemical industry, cement manufacturing, investment are big and be convenient to control.
The present invention includes valve seat, spool, valve gap, valve rod, control executing mechanism, it is characterized in that spool between valve seat and valve gap, spool is provided with two runners, and one is the center flow channels that is positioned at spool central authorities, and another is a bias flow channel; Valve rod one end and spool link, and the other end stretches out valve gap and control executing mechanism links; Valve seat central authorities are provided with a central flow channel, and the same circumference in all edges of described central flow channel is provided with several peripheral runners, and each peripheral runner is identical to the distance of center spool with the bias flow channel of spool to the distance at valve seat center; Central flow channel and peripheral runner all have two openings, and the opening of central flow channel is located at the upper/lower terminal of valve seat respectively, and the opening of peripheral runner is located at the upper-end surface and the side of valve seat respectively.
The present invention has following advantage:
1) install in manufacturing, owing to adopt plane spool rotation, the corresponding flat sealing means, lower than vertical sphere or cambered surface requirement, sealing effect is better simultaneously;
2) adopt the plane rotation mode, the whole torsion of valve is diminished, the control system energy consumption reduces;
2) have back purge system, play the effect that prevents line clogging, this back purge system can also clean valve self simultaneously, prevents that valve self from stopping up;
3) when being provided with a plurality of floating seal, the sealing surface of spool just becomes less one by one sealing unit, and sealing effect is better;
4) when being provided with a plurality of floating seal, in running, can adjusting seal pressure, sealing wear by technological requirement at any time, and need not dismantle pipeline or equipment.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention 1.
Fig. 2 is the structural representation of the specific embodiment of the invention 2.
Fig. 3 is the structural representation of spool of the present invention.
Fig. 4 is the A-A sectional stretch-out view of Fig. 3.
Fig. 5 is the structural representation of the specific embodiment of the invention 2 valve seats.
Fig. 6 is the present invention's concrete schematic representation of using in plumbing spoil disposal technology.
Fig. 7 is the present invention's concrete schematic representation of using in the powder delivery technology.
Embodiment
Embodiment 1
Shown in Fig. 1,3,4, the present invention includes valve seat 1, spool 3, valve rod 2, valve gap 4, control executing mechanism 11.Spool 3 is between valve seat 1 and valve gap 2, and spool 3 is provided with two runners, and one is the center flow channels 3-1 that is positioned at spool central authorities, and another is bias flow channel 3-2.Valve rod 4 one ends link to each other with spool 3, and the other end stretches out valve gap 2 and links to each other with control executing mechanism 11, and aforementioned control executing mechanism can be that handwheel actuator also can be an automatic executing agency.The central authorities of valve seat 1 are provided with a central flow channel 1-1, the same circumference in all edges of described central flow channel 1-1 be evenly equipped with several peripheral runner 1-2, each peripheral runner 1-2 is identical to the distance at spool 3 centers with the bias flow channel 3-2 of spool 3 to the distance at valve seat 1 center.
Each peripheral runner 1-2 all has two openings, is located at the upper-end surface and the side of valve seat 1 respectively, and the opening that wherein is positioned at valve seat 1 side is connected to flange 9.
In order to prevent equipment and the pipeline blockage problem in the contingent runner when carrying medium such as gas-solid (granule) mixture and liquid-solid mixture, also be provided with a recoil runner 14 on the spool 3, corresponding with this runner, valve gap 2 is provided with a recoil mouthpiece 12, the perforate location of aforementioned recoil runner 14 should guarantee the rotation along with spool 3, when the bias flow channel 3-2 of spool 3 and certain the peripheral runner 1-2 on the valve seat 1 connect, should the communicating of recoil runner 14 with all the other any peripheral runner 1-2.
In order to strengthen sealing, the outlet port that valve rod 4 stretches out valve gap 2 is provided with sealing gland 13.
In order to guarantee that spool 3 can produce constant downforce, make it become the faying surface of sealing, it is positioned at valve rod 4 on spool 3 and valve gap 2 one section a pressure unit 10 also is housed, in order to guarantee that spool 3 rotates smoothly, this device can adopt plane bearing and elasticity part (as: spring), to reduce the frictional force between pressure unit 10 and the spool 3 as far as possible, keep good sliding capability between the two.
Referring to Fig. 2, embodiment 2 is identical with the basic structure of embodiment 1, and difference is:
Each peripheral runner 1-2 all has three openings, except the opening of the upper-end surface that is located at valve seat 1 and side, also be provided with an opening in the bottom of corresponding runner valve seat 1, this opening is equipped with adjusts nut (7), corresponding with it, the lower ending opening of central flow channel 1-1 also is provided with adjusts nut (8), and the middle part of this nut is provided with the fluid passage.
Increasing the purpose of adjusting nut 7 and 8 is that adjustable aforementioned nut is pulled down when needing, so that clean and maintenance.
As Fig. 2-shown in Figure 5: embodiment 3 is identical with the basic structure of embodiment 2, and difference is:
Also be provided with fluctuate hermetical ring 5 and elastic component 6 in the central flow channel 1-1 of valve seat 1, fluctuate hermetical ring 5 is installed in the upper end of central flow channel 1-1, elastic component 6 two ends contact with adjusting nut 8 and floating seal ring 5 respectively, and above-mentioned three parts have constituted the floating seal of a central flow channel jointly; Correspondingly, the peripheral runner 1-2 of valve seat 1 also is provided with fluctuate hermetical ring 5 and elastic component 6, fluctuate hermetical ring 5 is installed in the upper end of peripheral runner 1-2, elastic component 6 two ends contact with adjusting nut 7 and floating seal ring 5 respectively, the common floating seal that constitutes a peripheral runner of above-mentioned three parts; The elastic component 6 general springs that adopt in two kinds of floating seals, the upper end sealing surface of the fluctuate hermetical ring 5 of each floating seal all contacts with spool 3, that is to say that spool 3 is to be pressed on the aforementioned floating seal.
As shown in Figure 1 and Figure 2, the flowing medium route of above-mentioned three kinds of embodiments:
When flowing medium flows along curve " A ", import of the present invention, sealing surface, valve core inside passage flow through respectively to valve export, can realize the function of " many inlet passages; an outlet passage ", when an inlet passage and an outlet passage communicated, the flowing medium of all the other runner imports then was in static (closing) state.When continuous plane of rotation spool, just can realize the switching between different inlet passages and the outlet passage.
When flowing medium along curve " A " reverse flow during through above-mentioned passage, flow process realizes the function of " inlet passage, multiple exit passage ".When an inlet passage and an outlet passage communicated, all the other runner exits then were in closed condition.When continuous plane of rotation spool, just can realize the switching between inlet passage and the different outlet passages.
As shown in Figure 6, when the present invention specifically is applied in the plumbing spoil disposal technology, can controls any one import from n runner of sewage mud and flow into, and flow to the runner exit discharging, other inlet channel sewage mud then remain static.Like this, promptly can realize each deposition tank is distinguished spoil disposal, eliminate differences in flow resistance, effectively solve the deposition blockage problem; Also can accomplish to discharge at regular time and quantity, be convenient to automatic control each deposition tank mud; Because this technological scheme can realize n runner centralized control, original n control gear synthesized a control gear simultaneously, significantly reduced the cost of investment in the control.
The quantity of peripheral runner 1-2 on the valve seat 1 of the present invention is decided on the spoil disposal runner quantity of the whole mud discharging device of required control, and generally both quantity is identical.But when whole mud discharging device needed closing state, the quantity of peripheral runner 1-2 then was n+1 (n is the spoil disposal runner quantity of whole mud discharging device).After n quantity of definite spoil disposal runner, on 360 ° of circumference of valve seat, make (n+1) five equilibrium, the end sealing of the set peripheral runner 1-2 in (n+1) position generally is that valve body side one end of this runner is not established opening.
As shown in Figure 7, when the present invention specifically is applied in powder (gas-solid mixture) delivery technology, can controls powder and flow into, and be transported to any one runner exit in n the runner exit from a runner import, until corresponding feed bin, all the other runner exits do not have the powder outflow simultaneously.When continuous plane of rotation spool, can realize the switching between an inlet passage and the different outlet passages.Like this, can realize n different feed bin, concentrate with a multithread changeover valve conveying management that controlling schemes is optimized, investment reduces.
When the present invention was applied in the powder output technology, the n of an outlet flow quantity can be adjusted according to situations such as on-the-spot state of arts, place, Economy.After a definite outlet flow n quantity, on 360 ° of circumference of valve seat, make n five equilibrium (as: during n=6, per 60 ° are provided with an outlet flow).
Owing to before and after the continuity of powder delivery technology production and this valve stop valve has been installed all, so when the present invention is used for the delivery technology of powder, generally need not an end in the peripheral runner on the valve seat and establish the runner of remaining silent.In addition, embodiment 4 is identical with the structure of its excess-three kind embodiment.
Claims (10)
1, rotation multithread road, a kind of plane valve, comprise valve seat, spool, valve gap, valve rod, control executing mechanism, it is characterized in that spool (3) is positioned between valve seat (1) and the valve gap (2), spool (3) is provided with two runners, one is the center flow channels (3-1) that is positioned at spool central authorities, and another is bias flow channel (3-2); Valve rod (4) one ends and spool (3) link, and the other end stretches out valve gap (2) and links with control executing mechanism (11); The central authorities of valve seat (1) are provided with a central flow channel (1-1), the same circumference in all edges of described central flow channel (1-1) is provided with several peripheral runners (1-2), and each peripheral runner (1-2) is identical to the distance at spool (3) center with the bias flow channel (3-2) of spool to the distance at valve seat (1) center; Central flow channel (1-1) and peripheral runner (1-2) all have two openings, and the opening of central flow channel is located at the upper/lower terminal of valve seat (1) respectively, and the opening of peripheral runner (1-2) is located at the upper-end surface and the side of valve seat (1) respectively.
2, rotation multithread road, plane as claimed in claim 1 valve is characterized in that being located at being respectively equipped with in central flow channel (1-1) and the peripheral runner (1-2) and adjusts nut (8) and adjust nut (7).Adjustment nut (8) is installed in central flow channel (1-1) and is positioned at valve seat (1) lower end surface opening, adjusts nut (8) middle part and has the fluid passage; Adjustment nut (7) is installed in peripheral runner (1-2) and is positioned at the 3rd opening that establish in addition valve seat (1) lower end surface, adjusts nut (7) and does not open the fluid passage.
3, rotation multithread road, plane as claimed in claim 2 valve, it is characterized in that also being provided with fluctuate hermetical ring (5) and elastic component (6) in the central flow channel (1-1) of valve seat (1), fluctuate hermetical ring (5) is installed in the upper end of central flow channel (1-1), elastic component (6) two ends contact with adjusting nut (8) and fluctuate hermetical ring (5) respectively, floating seal of the common formation of above-mentioned three parts; Correspondingly, also be provided with fluctuate hermetical ring (5) and elastic component (6) in the peripheral runner (1-2) of valve seat (1), fluctuate hermetical ring (5) is installed in the upper end of peripheral runner (1-2), elastic component (6) two ends contact with adjusting nut (7) and fluctuate hermetical ring (5) respectively, floating seal of the common formation of above-mentioned three parts; The upper end sealing surface of the fluctuate hermetical ring of each floating seal (5) all contacts with spool (3).
4, rotation multithread road, plane as claimed in claim 1 valve is characterized in that the peripheral runner (1-2) on the valve seat (1) is distributed on the same circumference.
5, plane as claimed in claim 1 rotation multithread road valve, an end that it is characterized in that one of them the peripheral runner (1-2) on the valve seat (1) are not established opening or with closure of openings.
6, plane as claimed in claim 1 rotation multithread road valve is characterized in that valve rod (4) is positioned on spool (3) and valve gap (2) one section pressure unit (10) also is housed.
7, rotation multithread road, plane as claimed in claim 6 valve is characterized in that described pressure unit (10) can be a plane bearing, also can be elasticity part.
8, rotation multithread road, plane as claimed in claim 1 valve is characterized in that described control executing mechanism (11) can be that handwheel actuator also can be an automatic executing agency.
9, rotation multithread road, plane as claimed in claim 1 valve is characterized in that also being provided with on the spool (3) a recoil runner (14), and corresponding with this runner, valve gap (2) or valve seat (1) are provided with a recoil mouthpiece (12).
10, rotation multithread road, plane as claimed in claim 9 valve, the rotation that guarantee along with spool (3) is located in runner (12) perforate that it is characterized in that recoiling, certain peripheral runner (1-2) on bias flow channel (3-2) on the spool (3) and valve seat (1) is when connecting, and recoil runner (14) should communicate with all the other any peripheral runners (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03131520 CN1451900A (en) | 2003-05-20 | 2003-05-20 | Plane rotating multi-channel valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03131520 CN1451900A (en) | 2003-05-20 | 2003-05-20 | Plane rotating multi-channel valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1451900A true CN1451900A (en) | 2003-10-29 |
Family
ID=29222947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03131520 Pending CN1451900A (en) | 2003-05-20 | 2003-05-20 | Plane rotating multi-channel valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1451900A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765586A (en) * | 2012-07-06 | 2012-11-07 | 广东联泰环保股份有限公司 | Drainage device for water accumulated in inclined sludge screw conveyer |
| CN113738914A (en) * | 2020-05-29 | 2021-12-03 | 比亚迪股份有限公司 | Reversing valve |
-
2003
- 2003-05-20 CN CN 03131520 patent/CN1451900A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765586A (en) * | 2012-07-06 | 2012-11-07 | 广东联泰环保股份有限公司 | Drainage device for water accumulated in inclined sludge screw conveyer |
| CN113738914A (en) * | 2020-05-29 | 2021-12-03 | 比亚迪股份有限公司 | Reversing valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |