CN204784854U - Rotation type tee bend scavenging valve - Google Patents
Rotation type tee bend scavenging valve Download PDFInfo
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- CN204784854U CN204784854U CN201520437617.XU CN201520437617U CN204784854U CN 204784854 U CN204784854 U CN 204784854U CN 201520437617 U CN201520437617 U CN 201520437617U CN 204784854 U CN204784854 U CN 204784854U
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Abstract
The utility model discloses a rotation type tee bend scavenging valve, convenient operation, the life -span is longer and the energy consumption is low, is fit for using under the big amount of wind circumstances. It includes valve body and case, and the valve body includes two valve plates that mutual opposition set up, and cavity formation air guide chamber between first valve plate and the second valve plate is provided with air vents a plurality of and air guide chamber intercommunication on the first valve plate, be provided with a plurality of air vents that communicate with the air guide chamber on the second valve plate, the case is located the air guide intracavity, the case includes the apron that two oppositions set up, and first apron corresponds with first valve plate, and second cover corresponds with the second valve plate, and when through rotating the case when making each the air vent shutoff on with first valve plate of first apron, each air vent on the second valve plate keeps feeding through with the air guide chamber, and when passing through each the air vent shutoff on with the second valve plate of rotation case messenger second cover, each air vent on the first valve plate keeps feeding through with the air guide chamber, still including being used for driving case pivoted valve core driving mechanism.
Description
Technical field
The utility model relates to the rotary threeway scavenging air valve for two tower organic exhaust gas hot oxidizing devices.
Background technique
Two tower organic exhaust gas hot oxidizing devices are the equipment for the treatment of waste gas.This equipment generally will use poppet valve.This poppet valve comprises valve shaft, and valve shaft is provided with valve plate, and valve plate both sides are respectively arranged with the valve seat be slidably matched with valve shaft.Above-mentioned poppet valve is mounted in casing and uses, described casing comprises two air vents be set up in parallel, be respectively the first air vent and the second air vent, casing top is provided with open top, the center-aisle be communicated with open top is provided with between first air vent and the second air vent, the two ends of center-aisle are separately installed with valve seat, and be provided with the valve plate be connected with valve shaft between two valve seats, described valve shaft and valve seat are slidably matched.Valve shaft is moved linearly by air cylinder driven.The movement of valve shaft can drive valve plate to move towards two valve seats, after valve plate to contact with one of them valve seat and seals, cannot be communicated with between the air vent that this valve seat is corresponding and the open top of casing, and air vent corresponding to another valve seat is just communicated with open top.Existing this poppet valve has the following disadvantages: be generally rigid collision when 1, valve seat contacts with valve plate, the shock momentum produced is comparatively large, easily causes damage to valve plate or valve seat, makes the working life of whole poppet valve shorter, need often to change, improve user cost.2, because gas pressure in casing is comparatively large, the power of drive valve plate movement is corresponding comparatively large, and valve plate displacement distance is far away, makes the reaction of whole poppet valve sensitive not, and the energy consumption that drive valve plate moves needs is also just larger.Be unfavorable for energy-conservation.3, when process 50,000 cubes of above air quantity per hour, the diameter of valve plate is very large, and valve plate diameter is greater than 1200mm, and the shock momentum produced under the effect of respective action power is very large, cannot normally use.Namely the poppet valve of said structure is not suitable for using when Wind Volume.
Model utility content
The technical problem that the utility model solves be to provide a kind of easy to operate, be quick on the draw, life-span longer and rotary threeway scavenging air valve that is that use under being adapted at Wind Volume situation.
The utility model solves the technological scheme that its technical problem adopts: rotary threeway scavenging air valve, comprise valve body and spool, valve body comprises oppositely disposed two valve plates, be respectively the first valve plate and the second valve plate, cavity between first valve plate and the second valve plate forms air guide chamber, first valve plate is provided with multiple vent be communicated with air guide chamber, the second valve plate is provided with multiple vent be communicated with air guide chamber; Described spool is positioned at air guide chamber, described spool comprises two opposite disposed cover plates, be respectively the first cover plate and the second cover plate, first cover plate is corresponding with the first valve plate, second cover plate is corresponding with the second valve plate, when being made the first cover plate by each vent shutoff on the first valve plate by rotational valve core, each vent on second valve plate keeps being communicated with air guide chamber, when being made the second cover plate by each vent shutoff on the second valve plate by rotational valve core, each vent on the first valve plate keeps being communicated with air guide chamber; Also comprise the spool driving mechanism for driving valve core rotation.
When above-mentioned threeway scavenging air valve uses, the switching of different air flue can be realized by rotational valve core.Motion mode due to spool rotates, but not rectilinear movement, therefore required driving force is less, is quick on the draw, easy to operate, also sharp impacts can not occur, make the working life of whole scavenging air valve longer.
Further: described first cover plate and the second cover plate are synchronized with the movement.
Further: the vent on described first valve plate is uniform along the circumference of the first valve plate.
Further: the vent on described second valve plate is uniform along the circumference of the second valve plate.
Further: the plate face of described first cover plate contacts with the plate face of the first valve plate, the inside of the first valve plate is provided with the first pumping chamber, the side first valve plate deviating from spool is provided with the first bleeding point be communicated with the first pumping chamber, first valve plate is also provided with the first bleeder hole be communicated with the first pumping chamber, first bleeder hole is communicated with the gap between the first valve plate and the first cover plate, in first cover plate rotation process, the first bleeder hole is all the time by the first cover plate capping.
Further: the quantity of the first bleeder hole is at least 3 and each first bleeder hole is uniform along the circumference of the first valve plate.
Further: the plate face of described second cover plate contacts with the plate face of the second valve plate, the inside of the second valve plate is provided with the second pumping chamber, the side second valve plate deviating from spool is provided with the second bleeding point be communicated with the second pumping chamber, second valve plate is also provided with the second bleeder hole be communicated with the second pumping chamber, second bleeder hole is communicated with the gap between the second valve plate and the second cover plate, in second cover plate rotation process, the second bleeder hole is all the time by the second cover plate capping.
Further: the quantity of the second bleeder hole is at least 3 and each second bleeder hole is uniform along the circumference of the second valve plate.
Further: between the first cover plate and the second cover plate, the circumference of the first cover plate is provided with multiple cover board connecting component.
Further: between the first valve plate and the second valve plate, the circumference of the first valve plate is provided with multiple valve plate link.
The beneficial effects of the utility model are: be quick on the draw, swift and convenient to operate, and driving force is less, energy-conservation, long service life, keep in repair efficient and convenient, normally can use in Wind Volume situation.
Accompanying drawing explanation
Fig. 1 is the first valve plate, the first cover plate, matching relationship schematic diagram between the second valve plate and the second cover plate;
Fig. 2 is the set-up mode schematic diagram of the first bleeding point, the first pumping chamber and the first bleeder hole;
Fig. 3 is spool driving mechanism and spool matching relationship schematic diagram;
Fig. 4 is spool driving mechanism schematic diagram;
Fig. 5 is the erection drawing of rotary threeway scavenging air valve;
Fig. 6 is rotary threeway scavenging air valve using state schematic diagram;
Be labeled as in figure: the first valve plate 2, first cover plate 4, second valve plate 1, second cover plate 3, first bleeding point 5, valve plate link 6, cover board connecting component 7, the first pumping chamber 8, first bleeder hole 9, spool tooth bar 10, spool driving gear 11, driving gear 12, driving rack 13, open top 14, the first air vent 16, second air vent 15, air guide chamber 17, vent 18.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.
As shown in Figure 1, rotary threeway scavenging air valve of the present utility model comprises valve body and spool, valve body comprises oppositely disposed two valve plates, be respectively the first valve plate 2 and the second valve plate 1, cavity between first valve plate 2 and the second valve plate 1 forms air guide chamber 17, first valve plate 2 is provided with on multiple vent 18, second valve plate 1 be communicated with air guide chamber 17 and is provided with multiple vent 18 be communicated with air guide chamber 17, described spool is positioned at air guide chamber 17, described spool comprises two opposite disposed cover plates, be respectively the first cover plate 4 and the second cover plate 3, first cover plate 4 correspondence is arranged on the inner side of the first valve plate 2, second cover plate 3 correspondence is arranged on the inner side of the second valve plate 1, when being made the first cover plate 4 by each vent shutoff on the first valve plate 2 by rotational valve core, each vent 18 on second valve plate 1 keeps being communicated with air guide chamber 17, when being made the second cover plate 3 by each vent shutoff on the second valve plate 1 by rotational valve core, each vent 18 on first valve plate 2 keeps being communicated with air guide chamber 17, also comprise the spool driving mechanism for driving valve core rotation.Circumference along the first valve plate 2 between above-mentioned first valve plate 2 and the second valve plate 1 can be provided with multiple valve plate link 6.The structure fixing of whole valve body can be improved like this.The mode of execution of above-mentioned spool driving mechanism has multiple, such as, taken turns by multiple sets of teeth and motor-driven mechanism drives the rotation of the first cover plate and the second cover plate.Also can implement according to mode as shown in Figure 3 and Figure 4.In Fig. 3, spool driving mechanism comprises the spool tooth bar 10 be arranged on corresponding cover plate, this spool tooth bar 10 can be arc, also comprise the spool driving gear 11 coordinated with spool tooth bar 10, spool driving gear 11 and driving gear 12 are arranged on same transmission shaft, and driving gear 12 coordinates with driving rack 13.Driving rack 13 drives by cylinder isoline driving mechanism.Driving gear 12 can be driven to rotate by driving rack 13, the rotation of driving gear 12 can drive the rotation of spool driving gear 11, and the rotation of spool driving gear 11 can impel spool tooth bar 10 to drive corresponding cover plate to rotate.Above-mentioned first cover plate 4 and the second cover plate 3 so just can be driven to rotate.
When specifically arranging, first cover plate 4 and the second cover plate 3 can independently be arranged, and namely the first valve plate 2 can be coupling with the first cover plate 4, and the first cover plate 4 can be rotated relative to the first valve plate 2, second valve plate 1 also can be coupling with the second cover plate 3, and the second cover plate 3 can be rotated relative to the second valve plate 1.Accordingly, driving mechanism needs to arrange two covers, drives respectively to the first cover plate and the second cover plate.Said structure independently drives the first cover plate and the second cover plate due to needs, makes the complicated structure of driving mechanism.In order to simplified structure, be easy to install and maintain, effectively ensure that the first cover plate and the second cover plate move into place simultaneously, described first cover plate 4 and the second cover plate 3 are synchronized with the movement.Can with reference to figure 1 and Fig. 3.Between the first cover plate 4 and the second cover plate 3, the circumference of the first cover plate 4 is provided with multiple cover board connecting component 7, first cover plate 4 and the second cover plate 3 is installed on the same axis, between the first cover plate 4 and the second cover plate 3, is provided with axle sleeve and corresponding bearing.The first cover plate 4 and the second cover plate 3 synchronous axial system is driven like this by a set of driving mechanism.
The set-up mode of the vent on above-mentioned first valve plate 2 has multiple, and such as can arrange vent in some region of valve plate, the quantity of vent can be 1,2,4 etc.On the basis of the above, in order to improve gas throughput, the vent on described first valve plate 2 is uniform along the circumference of the first valve plate 2.Accordingly, first cover plate 4 circumferentially can be arranged the vent of respective numbers, each vent on first cover plate 4 turn to on the first valve plate 2 each vent be communicated with time, each vent on first valve plate 2 is just communicated with above-mentioned air guide chamber 17, as shown in Figure 6, now the first air vent 16 is communicated with the open top 14 of casing.In like manner, the vent on described second valve plate 1 is uniform along the circumference of the second valve plate 1.Accordingly, second cover plate 3 circumferentially can be arranged the vent of respective numbers, when each vent on second cover plate 3 turns to and is communicated with each vent on the second valve plate 1, each vent on second valve plate 1 is just communicated with above-mentioned air guide chamber 17, as shown in Figure 6, now, the second air vent 15 is communicated with the open top 14 of casing.During owing to specifically arranging, the first air vent 16 will alternately be communicated with the open top 14 of casing with the second air vent 15.Arrange so the vent on above-mentioned first cover plate 4 can misplace with the vent on the second cover plate 3.Like this, when each vent on the first cover plate 4 is corresponding with each vent on the first valve plate 2 be communicated with time, the plate face of the second cover plate 3 is by each vent shutoff on the second valve plate 1.When each vent on the second cover plate 3 is communicated with each vent on the second valve plate 1, the plate face of the first cover plate 4 is by each vent shutoff on the first valve plate 2.
On the basis of the above, in order to ensure that cover plate when needed can by tight for the vent seal of valve plate further, as depicted in figs. 1 and 2, the plate face of described first cover plate 4 contacts with the plate face of the first valve plate 2, the inside of the first valve plate 2 is provided with the first pumping chamber 8, the side first valve plate 2 deviating from spool is provided with the first bleeding point 5 be communicated with the first pumping chamber 8, first valve plate 2 is also provided with the first bleeder hole 9 be communicated with the first pumping chamber 8, first bleeder hole 9 is communicated with the gap between the first valve plate 2 and the first cover plate 4, in first cover plate 4 rotation process, first bleeder hole 9 is all the time by the first cover plate 4 capping.First bleeding point 5 can be connected with air extractor, the first pumping chamber 8 of the first valve plate 2 can be made to form negative pressure by the first bleeding point 5, under the effect of the first bleeder hole 9, the first cover plate 4 can be made can to fit tightly with the first valve plate 2.Thus ensure that the first cover plate 4 can by tight for each vent shutoff of the first valve plate 2.Prevent gas leakage.Above-mentioned first bleeder hole 9 can arrange multiple along the circumference of the first valve plate 2, such as 4,6 etc.Be preferably: the quantity of the first bleeder hole 9 is at least 3 and each first bleeder hole 9 is uniform along the circumference of the first valve plate 2.The overall uniform force of the first cover plate 4 can be made like this.In like manner, the plate face of described second cover plate 3 contacts with the plate face of the second valve plate 1, the inside of the second valve plate 1 is provided with the second pumping chamber, the side second valve plate 1 deviating from spool is provided with the second bleeding point be communicated with the second pumping chamber, second valve plate 1 is also provided with the second bleeder hole be communicated with the second pumping chamber, second bleeder hole is communicated with the gap between the second valve plate 1 and the second cover plate 3, and in the second cover plate 3 rotation process, the second bleeder hole is all the time by the second cover plate 3 capping.Be preferably, the quantity of the second bleeder hole is at least 3 and each second bleeder hole is uniform along the circumference of the second valve plate 1.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. rotary threeway scavenging air valve, comprises valve body and spool, it is characterized in that:
Valve body comprises oppositely disposed two valve plates, be respectively the first valve plate and the second valve plate, cavity between first valve plate and the second valve plate forms air guide chamber, the first valve plate is provided with multiple vent be communicated with air guide chamber, the second valve plate is provided with multiple vent be communicated with air guide chamber;
Described spool is positioned at air guide chamber, described spool comprises two opposite disposed cover plates, be respectively the first cover plate and the second cover plate, first cover plate is corresponding with the first valve plate, second cover plate is corresponding with the second valve plate, when being made the first cover plate by each vent shutoff on the first valve plate by rotational valve core, each vent on second valve plate keeps being communicated with air guide chamber, when being made the second cover plate by each vent shutoff on the second valve plate by rotational valve core, each vent on the first valve plate keeps being communicated with air guide chamber;
Also comprise the spool driving mechanism for driving valve core rotation.
2. rotary threeway scavenging air valve as claimed in claim 1, is characterized in that: described first cover plate and the second cover plate are synchronized with the movement.
3. rotary threeway scavenging air valve as claimed in claim 1, is characterized in that: the vent on described first valve plate is uniform along the circumference of the first valve plate.
4. rotary threeway scavenging air valve as claimed in claim 1, is characterized in that: the vent on described second valve plate is uniform along the circumference of the second valve plate.
5. rotary threeway scavenging air valve as claimed in claim 1, it is characterized in that: the plate face of described first cover plate contacts with the plate face of the first valve plate, the inside of the first valve plate is provided with the first pumping chamber, the side first valve plate deviating from spool is provided with the first bleeding point be communicated with the first pumping chamber, first valve plate is also provided with the first bleeder hole be communicated with the first pumping chamber, first bleeder hole is communicated with the gap between the first valve plate and the first cover plate, in first cover plate rotation process, the first bleeder hole is all the time by the first cover plate capping.
6. rotary threeway scavenging air valve as claimed in claim 5, is characterized in that: the quantity of the first bleeder hole is at least 3 and each first bleeder hole is uniform along the circumference of the first valve plate.
7. rotary threeway scavenging air valve as claimed in claim 1, is characterized in that:
The plate face of described second cover plate contacts with the plate face of the second valve plate, the inside of the second valve plate is provided with the second pumping chamber, the side second valve plate deviating from spool is provided with the second bleeding point be communicated with the second pumping chamber, second valve plate is also provided with the second bleeder hole be communicated with the second pumping chamber, second bleeder hole is communicated with the gap between the second valve plate and the second cover plate, in second cover plate rotation process, the second bleeder hole is all the time by the second cover plate capping.
8. rotary threeway scavenging air valve as claimed in claim 7, is characterized in that: the quantity of the second bleeder hole is at least 3 and each second bleeder hole is uniform along the circumference of the second valve plate.
9. rotary threeway scavenging air valve as claimed in claim 1, is characterized in that: between the first cover plate and the second cover plate, the circumference of the first cover plate is provided with multiple cover board connecting component.
10. rotary threeway scavenging air valve as claimed in claim 1, is characterized in that: between the first valve plate and the second valve plate, the circumference of the first valve plate is provided with multiple valve plate link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437617.XU CN204784854U (en) | 2015-06-24 | 2015-06-24 | Rotation type tee bend scavenging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520437617.XU CN204784854U (en) | 2015-06-24 | 2015-06-24 | Rotation type tee bend scavenging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784854U true CN204784854U (en) | 2015-11-18 |
Family
ID=54524904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520437617.XU Expired - Fee Related CN204784854U (en) | 2015-06-24 | 2015-06-24 | Rotation type tee bend scavenging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204784854U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976379A (en) * | 2015-06-24 | 2015-10-14 | 宁新环保科技（上海）有限公司 | Rotary type three-way air scavenging valve |
-
2015
- 2015-06-24 CN CN201520437617.XU patent/CN204784854U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976379A (en) * | 2015-06-24 | 2015-10-14 | 宁新环保科技（上海）有限公司 | Rotary type three-way air scavenging valve |
| CN104976379B (en) * | 2015-06-24 | 2018-10-09 | 宁新环保科技（上海）有限公司 | Rotary threeway scavenging air valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200624 |