CN203979540U - A kind of two-way diffusion valve - Google Patents
A kind of two-way diffusion valve Download PDFInfo
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- CN203979540U CN203979540U CN201420432374.6U CN201420432374U CN203979540U CN 203979540 U CN203979540 U CN 203979540U CN 201420432374 U CN201420432374 U CN 201420432374U CN 203979540 U CN203979540 U CN 203979540U
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Abstract
The utility model is a kind of two-way diffusion valve, set up inner valve body, lower valve plate, the first expansion device, inner valve body is positioned at outer valve inside and coaxially arranges with outer valve, the upper-end surface of inner valve body is concordant with the upper-end surface of outer valve, the lower end of inner valve body is fixedly connected with the inwall of outer valve, the lower end of the first expansion device is fixedly connected with lower valve plate, the upper end of the first expansion device is fixedly connected with the inwall of inner valve body by positioning plate, the part that upper valve plate is positioned at inner valve body upper end offers a plurality of inlet holes that are communicated with inner valve body, can make inner valve body inner chamber and exterior, external pressure is during higher than internal pressure, external pressure can be backed down lower valve plate by inner valve body inner chamber, thereby can adjust the inside and outside pressure equilibrium of equipment, diffusion function when the utility model can be realized internal pressure higher than outside, also the diffusion function in the time of can realizing external pressure higher than inside, reached the object of design.
Description
Technical field
The utility model belongs to valve technology field, is specifically related to a kind of two-way diffusion valve.
Background technique
Diffusion valve is a pressurize, pressure relief device; multiplex at blast furnace system, urban garbage treatment system; when system pressure raises suddenly; diffusion valve becomes open mode from closed condition, outwards discharges gas, makes pressure decreased; with protection whole system, be not damaged; when system pressure is down to desired level, diffusion valve is closed automatically, guarantees the normal work of system.Because dedusting silo is higher to the pressure requirement condition of the pressure of pipeline and warehouse, that inside or external pressure all will guarantee certain numerical value, and current diffusion valve is all to diffuse can only be to inner overpressure time, in the time of can not be high to external pressure, diffuse.Therefore, have that diffuse inside, the diffusion valve that diffuses adjustment of outside diffusion function becomes the emphasis direction of exploitation.
Model utility content
The utility model, in order to make up the deficiencies in the prior art, has designed a kind of two-way diffusion valve, and the utility model project organization is simple, and cost is lower, can meet two-way function of diffusing.
Concrete technological scheme of the present utility model is:
A kind of two-way diffusion valve, comprise outer valve, upper valve plate, guide rod, the lower end of outer valve is communicated with warehouse by fixed base, on the outer wall of outer valve upper end, be fixed with positioning block, in guide rod break-through, valve plate is fixedly connected with positioning block, upper valve plate and outer valve form and are sealed and matched, upper valve plate forms lifting with guide rod and coordinates, key is: set up inner valve body, lower valve plate, the first expansion device, inner valve body is positioned at outer valve inside and coaxially arranges with outer valve, the upper-end surface of inner valve body is concordant with the upper-end surface of outer valve, the lower end of inner valve body is fixedly connected with the inwall of outer valve, the lower end of the first expansion device is fixedly connected with lower valve plate, the upper end of the first expansion device is fixedly connected with the inwall of inner valve body by the first positioning plate, the part that upper valve plate is positioned at inner valve body upper end offers a plurality of inlet holes that are communicated with inner valve body.
Set up the second expansion device, the second positioning plate, the upper end of the second expansion device is fixedly connected with upper valve plate, and the lower end of the second expansion device is fixedly connected with the inwall of inner valve body by the second positioning plate.
Described inner valve body lower end is fixedly connected with the inwall of outer valve by contiguous block.
Described upper valve plate top is provided with netted protective housing, and protective housing is fixedly connected with positioning block.
The first described expansion device is extension spring.
The second described expansion device is also extension spring.
The structure of described lower valve plate is double layer construction, and one deck is the first stainless steel lining, and one deck is the first rubber layer, and the first rubber layer contacts with inner valve body to form and is sealed and matched.
The structure of described upper valve plate is also double layer construction, and one deck is the second stainless steel lining, and one deck is the second rubber layer, and the second rubber layer contacts with outer valve to form and is sealed and matched.
The pulling force of the first expansion device and the second expansion device determines that formula is P=F/S, and P represents the poor of inside and outside pressure, and F represents the pressure of effect, and S represents the area of pressure-acting.
The beneficial effects of the utility model are: owing to being provided with inner valve body in outer valve, upper valve plate center is provided with the inlet hole communicating with inner valve body, make the outside of equipment of diffusion valve effect larger than inner pressure, and while being greater than the pulling force of the first expansion device, lower valve plate can be opened, outside and inside are communicated, diffusing while so just having reached high to external pressure; The ability of diffusing when simultaneously the utility model is high to internal pressure has obtained reservation, inner larger than outside pressure, and while being greater than the second expansion device, upper valve plate will be opened, and makes inside and exterior, diffusing while so just having reached high to internal pressure.Project organization of the present utility model has met two-way requirement of diffusing, and project organization is simple.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of lower valve plate in the utility model.
Fig. 3 is the structural representation of upper valve plate in the utility model.
In accompanying drawing, 1 represents outer valve, and 2 represent lower valve plate, and 3 represent fixed base, 4 represent inner valve body, and 5 represent the first expansion device, the upper valve plate of 6 representative, 7 represent the first positioning plate, and 8 represent protective housing, and 9 represent guide rod, 10 represent inlet hole, and 11 represent positioning block, and 12 represent the second expansion device, 13 represent the second positioning plate, and 14 represent contiguous block, and 15 represent the first stainless steel lining, 16 represent the first rubber layer, and 17 represent the second stainless steel lining, and 18 represent the second rubber layer.
Embodiment
A kind of two-way diffusion valve, comprise outer valve 1, upper valve plate 6, guide rod 9, the lower end of outer valve 1 is communicated with warehouse by fixed base 3, on the outer wall of outer valve 1 upper end, be fixed with positioning block 11, in guide rod 9 break-through, valve plate 6 is fixedly connected with positioning block 11, upper valve plate 6 forms and is sealed and matched with outer valve 1, upper valve plate 6 forms lifting with guide rod 9 and coordinates, key is: set up inner valve body 4, lower valve plate 2, the first expansion device 5, inner valve body 4 is positioned at outer valve 1 inside and coaxially arranges with outer valve 1, the upper-end surface of inner valve body 4 is concordant with the upper-end surface of outer valve 1, the lower end of inner valve body 4 is fixedly connected with the inwall of outer valve 1, the lower end of the first expansion device 5 is fixedly connected with lower valve plate 2, the upper end of the first expansion device 5 is fixedly connected with the inwall of inner valve body 4 by the first positioning plate 7, the part that upper valve plate 6 is positioned at inner valve body 4 upper ends offers a plurality of inlet holes 10 that are communicated with inner valve body 4.
Specific embodiment, as shown in Figure 1, when the device interior pressure of diffusion valve effect is greater than external pressure, internal pressure by the ring channeling between outer valve 1 and inner valve body 4 on upper valve plate 6, the lower end of outer valve 1 is communicated with equipment by fixed base 3, the lower end of inner valve body 4 is fixedly connected with the inwall of outer valve 1, on the outer wall of outer valve 1 upper end, be fixed with positioning block 11, in guide rod 9 break-through, valve plate 6 is fixedly connected with positioning block 11, when pressure reduction reaches the pulling force that enough overcomes the second expansion device 12, upper valve plate 6 moves upward along guide rod 9, the second expansion device 12 is preferably extension spring, the upper end of the second expansion device 12 is fixedly connected with upper valve plate 6, the lower end of the second expansion device 12 is fixedly connected with the inwall of inner valve body 4 by the second positioning plate 13, upper valve plate 6 consists of second stainless steel lining 17 on top and the second rubber layer 18 of bottom, when the lower surface of the second rubber layer 18 departs from inner valve body 4 and outer valve 1 completely, the inside of the equipment of diffusion valve effect is connected with outside, inner pressure is released, diffusion function while having reached internal pressure higher than external pressure, inner high pressure and outside low pressure gradually balance until equate, upper valve plate 6 under the pulling force effect of the second expansion device 12 with outer valve 1, inner valve body 4 contacts and passes through the second rubber layer 18 and seals,
When the device external pressure of diffusion valve effect is greater than internal pressure, upper valve plate top is provided with netted protective housing 8, protective housing is fixedly connected with the protective housing 8 of upper valve plate 6 for netted with positioning block, the part that upper valve plate 6 is positioned at inner valve body 4 upper ends offers a plurality of inlet holes 10 that are communicated with inner valve body 4, external pressure acts on the circular channel of lower valve plate 2 and inner valve body 4 formation, due to inner valve body 4, outer valve 1 and equipment interfix, when pressure reduction reaches the pulling force that enough overcomes the first expansion device 5, lower valve plate 2 moves downward, the first expansion device 5 is preferably extension spring, the lower end of the first expansion device 5 is fixedly connected with lower valve plate 2, the upper end of the first expansion device 5 is fixedly connected with the inwall of inner valve body 4 by the first positioning plate 7, lower valve plate 2 consists of first rubber layer 16 on top and the first stainless steel lining 15 of bottom, when the first rubber layer 16 upper surfaces depart from inner valve body 4 completely, the device interior of diffusion valve effect is connected with outside, diffusion function while having reached external pressure higher than internal pressure, inner low pressure and outside high pressure gradually balance until equate, lower valve plate 2 contacts with interior valve plate 4 and passes through the first rubber layer 16 and seals under the pulling force effect of the first expansion device 5.
Claims (8)
1. a two-way diffusion valve, comprise outer valve (1), upper valve plate (6), guide rod (9), the lower end of outer valve (1) is communicated with warehouse by fixed base (3), on the outer wall of outer valve (1) upper end, be fixed with positioning block (11), in guide rod (9) break-through, valve plate (6) is fixedly connected with positioning block (11), upper valve plate (6) forms and is sealed and matched with outer valve (1), upper valve plate (6) forms lifting with guide rod (9) and coordinates, it is characterized in that: set up inner valve body (4), lower valve plate (2), the first expansion device (5), inner valve body (4) is positioned at outer valve (1) inside and coaxially arranges with outer valve (1), the upper-end surface of inner valve body (4) is concordant with the upper-end surface of outer valve (1), the lower end of inner valve body (4) is fixedly connected with the inwall of outer valve (1), the lower end of the first expansion device (5) is fixedly connected with lower valve plate (2), the upper end of the first expansion device (5) is fixedly connected with the inwall of inner valve body (4) by the first positioning plate (7), the part that upper valve plate (6) is positioned at inner valve body (4) upper end offers a plurality of inlet holes (10) that are communicated with inner valve body (4).
2. a kind of two-way diffusion valve according to claim 1, it is characterized in that: set up the second expansion device (12), the second positioning plate (13), the upper end of the second expansion device (12) is fixedly connected with upper valve plate (6), and the lower end of the second expansion device (12) is fixedly connected with the inwall of inner valve body (4) by the second positioning plate (13).
3. a kind of two-way diffusion valve according to claim 1, is characterized in that: described inner valve body (4) lower end is fixedly connected with the inwall of outer valve (1) by contiguous block (14).
4. a kind of two-way diffusion valve according to claim 1, is characterized in that: described upper valve plate (6) top is provided with netted protective housing (8), and protective housing (8) is fixedly connected with positioning block (11).
5. a kind of two-way diffusion valve according to claim 1, is characterized in that: described the first expansion device (5) is extension spring.
6. a kind of two-way diffusion valve according to claim 2, is characterized in that: described the second expansion device (12) is also extension spring.
7. a kind of two-way diffusion valve according to claim 2, it is characterized in that: the structure of described lower valve plate (2) is double layer construction, one deck is the first stainless steel lining (15), one deck is the first rubber layer (16), and the first rubber layer (16) contacts with inner valve body (4) to form and is sealed and matched.
8. a kind of two-way diffusion valve according to claim 1, it is characterized in that: the structure of described upper valve plate (6) is also double layer construction, one deck is the second stainless steel lining (17), one deck is the second rubber layer (18), and the second rubber layer (18) contacts with outer valve (1) to form and is sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432374.6U CN203979540U (en) | 2014-08-01 | 2014-08-01 | A kind of two-way diffusion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420432374.6U CN203979540U (en) | 2014-08-01 | 2014-08-01 | A kind of two-way diffusion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979540U true CN203979540U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420432374.6U Active CN203979540U (en) | 2014-08-01 | 2014-08-01 | A kind of two-way diffusion valve |
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|---|---|
| CN (1) | CN203979540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757434A (en) * | 2021-08-03 | 2021-12-07 | 唐山黑猫炭黑有限责任公司 | Bleeding valve in carbon black production line |
-
2014
- 2014-08-01 CN CN201420432374.6U patent/CN203979540U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757434A (en) * | 2021-08-03 | 2021-12-07 | 唐山黑猫炭黑有限责任公司 | Bleeding valve in carbon black production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.69, Shitong Road, Shijiazhuang, Hebei 050222 Patentee after: Shijiazhuang Xianchu Nuclear Equipment Co.,Ltd. Address before: No.69, Shitong Road, Shijiazhuang, Hebei 050222 Patentee before: SHIJIAZHUANG NO.1 VALVE FACTORY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |