CN202023634U - Flame arrester and explosion-proof valve - Google Patents
Flame arrester and explosion-proof valve Download PDFInfo
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- CN202023634U CN202023634U CN2010206893197U CN201020689319U CN202023634U CN 202023634 U CN202023634 U CN 202023634U CN 2010206893197 U CN2010206893197 U CN 2010206893197U CN 201020689319 U CN201020689319 U CN 201020689319U CN 202023634 U CN202023634 U CN 202023634U
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- resistant sheet
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Abstract
The utility model relates to a flame arrester and an explosion-proof valve, for the purpose of improving the flame extinguishing effect. The flame arrester comprises multiple flame-retarding pieces, an inner support ring at inner edges of the flame-retarding pieces, and an outer support ring at outer edges of the flame-retarding pieces. The multiple flame-retarding pieces are multiple even flame-retarding pieces and multiple uneven flame-retarding pieces, which are alternatively stacked in the axial direction. Each uneven flame-retarding piece has a multi-circle uneven structure. The protrusion of each circle of the uneven structure is in contact with the even flame-retarding piece at the upper layer, and together with the even flame-retarding piece at the lower layer, forms a gap. The recess of each circle of the multi-circle uneven structure is in contact with the even flame-retarding piece at the lower layer, and together with the even flame-retarding piece at the upper layer, forms a gap. In addition, the protrusion of each circle of the multi-circle uneven structure and the protrusion and the recess of another adjacent circle of the multi-circle uneven structure are staggeredly arranged in the radial direction.
Description
Technical field
The utility model relates to the flame-retardant device in the explosion-proof valve.
Background technique
Structure that existing explosion-proof valve flame-retardant device adopts such as Chinese patent application number are 200710300274.2 disclosed " a kind of explosion-proof valves ".This patent application discloses the lamellar body of flame-resistant sheet for the sheet of annular, and the interior edge of described lamellar body is bent to form some grooves up and down, and this groove extends to the middle part of lamellar body.Though the interior edge of this patent application median plate body is bent to form some grooves up and down, this groove can not prolong the time that air communication is crossed, and is also very limited to the influence of air-flow, can not well stop flame.
In addition, number be 200810061321.7 disclosed " a kind of explosion-proof valves " as Chinese patent application, comprise panel, seat board and interior flame-retardant device, the three forms valve pocket.In valve pocket, be provided with the valve plate that forms sealing with seat board, between panel and valve plate, be provided with spring, flame-retardant device outside between panel and seat board, also being fixed with.Outer flame-retardant device and interior flame-retardant device are by the some circular flame-retardant device sheet positive and negatives composition of alternately placing and be layering.Front and the positive back that is superimposed at the flame-retardant device sheet form some connection valve pockets and extraneous passage, and every passage has twice bending at least.Though the structure of this flame-retardant device has increased the influence to air-flow, also prolonged the time that air communication is crossed, the structure of this flame-retardant device is also unreasonable, and positive and positive being superimposed formed a little unit, equals per two flame-resistant sheets and could form a gap.Each space of this flame-retardant device is all bigger, and air-flow can only be from an effluent mistake of flame-resistant sheet, and the efficient of heat absorption is very low.Though every passage has twice bending at least, still flame can not be extinguished in explosion-proof valve fully.
The model utility content
The purpose of this utility model provides a kind of explosion-proof valve and flame-retardant device thereof, can make its flame that can better go out of explosion-proof valve under the situation of not too big increase resistance.
The utility model is that to solve the problems of the technologies described above the technological scheme that adopts be a kind of flame-retardant device, comprises a plurality of flame-resistant sheets, is located at the interior bracing ring of flame-resistant sheet inner edge and is located at the outer bracing ring of flame-resistant sheet outer rim.A plurality of flame-resistant sheets comprise a plurality of concavo-convex flame-resistant sheets and a plurality of plain film flame-resistant sheet, and concavo-convex flame-resistant sheet and plain film flame-resistant sheet alternately pile up in the axial direction.Each concavo-convex flame-resistant sheet forms the multi-turn concaveconvex structure, the projection of each circle concaveconvex structure contacts with upper strata plain film flame-resistant sheet, and and form the gap between lower floor's plain film flame-resistant sheet, the depression of each circle concaveconvex structure contacts with lower floor plain film flame-resistant sheet, and and form the gap between the plain film flame-resistant sheet of upper strata, and the projection and the depression dislocation arrangement diametrically of each circle projection of concaveconvex structure and depression and adjacent another circle concaveconvex structure.
In above-mentioned flame-retardant device, bracing ring can be expanded metals or steel mesh structure in this.
The utility model provides another kind of flame-retardant device, comprises a plurality of flame-resistant sheets, is located at the interior bracing ring of flame-resistant sheet inner edge and is located at the outer bracing ring of flame-resistant sheet outer rim.A plurality of flame-resistant sheets comprise a plurality of concavo-convex flame-resistant sheets, are stacked into stratiform in the axial direction, and wherein adjacent concavo-convex flame-resistant sheet placement direction is opposite.Each concavo-convex flame-resistant sheet forms the multi-turn concaveconvex structure, the projection of each circle concaveconvex structure contacts with the depression of the concavo-convex flame-resistant sheet in upper strata, and and form the gap between the depression of the concavo-convex flame-resistant sheet of lower floor, the depression of each circle concaveconvex structure contacts with the projection of the concavo-convex flame-resistant sheet of lower floor, and and form the gap between the projection of the concavo-convex flame-resistant sheet in upper strata, and the projection and the depression dislocation arrangement diametrically of each circle projection of concaveconvex structure and depression and adjacent another circle concaveconvex structure.
In above-mentioned flame-retardant device, bracing ring is expanded metals or steel mesh structure in this.
The utility model also proposes a kind of explosion-proof valve that comprises two kinds of above-mentioned flame-retardant devices.
The utility model makes it compared with prior art owing to adopt above technological scheme, and the structure of flame-resistant sheet can make each flame-resistant sheet can both form a gap, the size of control gap more easily.Air-flow can flow through from the both sides of flame-resistant sheet, has improved the efficient of heat absorption.Dislocation is arranged and is formed tortuous circulation path between salient point and the salient point, prolongs air-flow and flame elapsed time and distance with this, and flame-resistant sheet is fully absorbed heat.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, wherein:
Figure 1A, Figure 1B illustrate the structure of the utility model one embodiment's explosion-proof valve.
Fig. 2 illustrates the utility model one embodiment's flame-retardant device structural representation.
Fig. 3 illustrates the utility model one embodiment's flame-resistant sheet structure.
Fig. 4 illustrates another embodiment's of the utility model flame-resistant sheet structure.
Embodiment
Figure 1A, Figure 1B illustrate the structure of the utility model one embodiment's explosion-proof valve, and wherein Figure 1A is the explosion-proof valve closed condition, and Figure 1B is an opening state.Shown in Figure 1A, 1B, explosion-proof valve mainly comprises seal ring 1, valve seat 2, flame-retardant device 3, bolt sleeve 4, pad 5, bolt 6, spring 7, valve block 8, locating sleeve 9, interior bracing ring 10, outer bracing ring 11 and valve gap 12.From explosion-proof valve axial (above-below direction the figure), flame-retardant device 3 is located on the valve seat 2, is valve gap 12 above flame-retardant device 3.Valve seat 2 ringwise, central authorities are valve ports.Flame-retardant device 3 is (in conjunction with reference to shown in Figure 2) also ringwise.Seal ring 1 is the O type, is arranged on the inner edge position of ring-shaped valve seats 2 near the valve port place.From explosion-proof valve radially (left and right directions the figure), central authorities are springs 7, and contact is between valve block 8 and valve gap 12.In off position, spring 7 relies on elastic force that valve block 8 is pressed against on the valve port.In opening state, spring 7 is compressed to the position of Figure 1B.The inner edge of the flame-retardant device 3 of ring-type is provided with interior bracing ring 10, and the fixing-assembly of forming by bolt sleeve 4, pad 5, bolt 6 is fixed on the valve seat 2.The outer rim of the flame-retardant device 3 of ring-type is provided with outer bracing ring 11.
Fig. 2 illustrates the utility model one embodiment's flame-retardant device structural representation, and Fig. 2 sees from depression angle.Fig. 3 illustrates the utility model one embodiment's flame-resistant sheet structure.In conjunction with reference to Fig. 2, shown in Figure 3, flame-retardant device 3 comprises the be layering structure and the inside and outside two- layer bracing ring 10,11 of some circular flame-resistant sheets.From Figure 1A, 1B, flame-resistant sheet has two kinds: concavo-convex flame-resistant sheet 31 and plain film flame-resistant sheet 32, they alternately pile up in the axial direction.From part shown in Figure 3, per two flame-resistant sheets are superposed to one group, and one of them flame-resistant sheet is concavo-convex flame-resistant sheet 31, and another flame-resistant sheet is a plain film flame-resistant sheet 32.
Each concavo-convex flame-resistant sheet 31 forms the multi-turn concaveconvex structure, comprises projection and depression.The convex portion of concavo-convex flame-resistant sheet 31 shown in Figure 3 is shown as outside and clockwise oblique line part in the annular in Fig. 2, the sunk part of concavo-convex flame-resistant sheet 32 shown in Figure 3 is shown as in the annular outside in Fig. 2, and counterclockwise oblique line part, all the other white portions are planar section.
As shown in Figure 3, look up from axle, each the circle concaveconvex structure protruding a contact with upper strata plain film flame-resistant sheet 30, and and lower floor's plain film flame-resistant sheet 32 between formation gap S1.The depression b of each circle concaveconvex structure contacts with lower floor plain film flame-resistant sheet 32, and and upper strata plain film flame-resistant sheet 30 between formation gap S2.
Look up from the footpath, for same one deck flame-resistant sheet of flame-retardant device 1, from outward interior, each circle concaveconvex structure is compared with another circle concaveconvex structure of radially adjoining, and projection is arranged with the dislocation diametrically of projection, depression and depression.
As a result, the gap that forms between flame-resistant sheet also is tortuous.Like this, when gas when the flame-retardant device inner ring flows toward the outer ring, can form the winding raod footpath, can guide and dispersed flame, prolong the time of air-flow in flame-retardant device, thereby can better absorb heat, flame goes out.
In another embodiment shown in Figure 4, two flame-resistant sheets that pile up all are concavo-convex flame-resistant sheets, but wherein a flame-resistant sheet is the concavo-convex flame-resistant sheet 31 that forward is placed, and another flame-resistant sheet is the concavo-convex flame-resistant sheet of oppositely placing 33.That is to say that adjacent concavo-convex flame-resistant sheet placement direction is opposite, and is stacked into stratiform in the axial direction.
Similarly, each concavo-convex flame- resistant sheet 31,33 all forms the multi-turn concaveconvex structure.For concavo-convex flame-resistant sheet 31, the protruding d of each circle concaveconvex structure contacts with the depression of the concavo-convex flame-resistant sheet 33 in upper strata, and and formation gap S3 between the depression of the concavo-convex flame-resistant sheet 34 of lower floor, the depression e of each circle concaveconvex structure contacts with the projection of the concavo-convex flame-resistant sheet 34 of lower floor, and and form gap S4 between the projection of the concavo-convex flame-resistant sheet 33 in upper strata, and the projection and the depression dislocation arrangement diametrically of the projection of each circle concaveconvex structure and depression and adjacent another circle concaveconvex structure.
The structure of this flame-resistant sheet can make each flame-resistant sheet can both form a gap, the size of control gap more easily, and air-flow can flow through from the both sides of flame-resistant sheet, has improved the efficient of heat absorption.Dislocation is arranged and is formed tortuous circulation path between salient point and the salient point, prolong air-flow and flame elapsed time and distance with this, flame-resistant sheet is fully absorbed heat, and in this process, reduce molecular activity, flame is extinguished in flame-retardant device fully by the wall collision effect.
Though the utility model discloses as above with preferred embodiment; right its is not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (6)
1. flame-retardant device comprises a plurality of flame-resistant sheets, is located at the interior bracing ring of flame-resistant sheet inner edge and is located at the outer bracing ring of flame-resistant sheet outer rim, it is characterized in that,
A plurality of flame-resistant sheets comprise a plurality of concavo-convex flame-resistant sheets and a plurality of plain film flame-resistant sheet, and concavo-convex flame-resistant sheet and plain film flame-resistant sheet alternately pile up in the axial direction;
Each concavo-convex flame-resistant sheet forms the multi-turn concaveconvex structure, the projection of each circle concaveconvex structure contacts with upper strata plain film flame-resistant sheet, and and form the gap between lower floor's plain film flame-resistant sheet, the depression of each circle concaveconvex structure contacts with lower floor plain film flame-resistant sheet, and and form the gap between the plain film flame-resistant sheet of upper strata, and the projection and the depression dislocation arrangement diametrically of each circle projection of concaveconvex structure and depression and adjacent another circle concaveconvex structure.
2. flame-retardant device as claimed in claim 1 is characterized in that, bracing ring is expanded metals or steel mesh structure in this.
3. an explosion-proof valve is characterized in that, comprises flame-retardant device as claimed in claim 1.
4. flame-retardant device comprises a plurality of flame-resistant sheets, is located at the interior bracing ring of flame-resistant sheet inner edge and is located at the outer bracing ring of flame-resistant sheet outer rim, it is characterized in that,
A plurality of flame-resistant sheets comprise a plurality of concavo-convex flame-resistant sheets, are stacked into stratiform in the axial direction, and wherein adjacent concavo-convex flame-resistant sheet placement direction is opposite;
Each concavo-convex flame-resistant sheet forms the multi-turn concaveconvex structure, the projection of each circle concaveconvex structure contacts with the depression of the concavo-convex flame-resistant sheet in upper strata, and and form the gap between the depression of the concavo-convex flame-resistant sheet of lower floor, the depression of each circle concaveconvex structure contacts with the projection of the concavo-convex flame-resistant sheet of lower floor, and and form the gap between the projection of the concavo-convex flame-resistant sheet in upper strata, and the projection and the depression dislocation arrangement diametrically of each circle projection of concaveconvex structure and depression and adjacent another circle concaveconvex structure.
5. flame-retardant device as claimed in claim 4 is characterized in that, bracing ring is expanded metals or steel mesh structure in this.
6. an explosion-proof valve is characterized in that, comprises flame-retardant device as claimed in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206893197U CN202023634U (en) | 2010-12-30 | 2010-12-30 | Flame arrester and explosion-proof valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206893197U CN202023634U (en) | 2010-12-30 | 2010-12-30 | Flame arrester and explosion-proof valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202023634U true CN202023634U (en) | 2011-11-02 |
Family
ID=44848586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206893197U Expired - Lifetime CN202023634U (en) | 2010-12-30 | 2010-12-30 | Flame arrester and explosion-proof valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202023634U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852643A (en) * | 2012-08-24 | 2013-01-02 | 浙江工业大学 | Flame-retardant sheet for anti-explosion valve |
| CN104018941A (en) * | 2014-06-13 | 2014-09-03 | 上海灏渤自动化科技有限公司 | Inflaming retarding piece of explosion-proof valve |
| CN104047723A (en) * | 2013-12-27 | 2014-09-17 | 李潘宝 | Crankcase anti-explosion valve |
| RU191455U1 (en) * | 2018-07-13 | 2019-08-06 | Александр Сергеевич Сойкин | EXPLOSIVE SAFETY VALVE WITH FIREPROOFER |
-
2010
- 2010-12-30 CN CN2010206893197U patent/CN202023634U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852643A (en) * | 2012-08-24 | 2013-01-02 | 浙江工业大学 | Flame-retardant sheet for anti-explosion valve |
| CN104047723A (en) * | 2013-12-27 | 2014-09-17 | 李潘宝 | Crankcase anti-explosion valve |
| CN104018941A (en) * | 2014-06-13 | 2014-09-03 | 上海灏渤自动化科技有限公司 | Inflaming retarding piece of explosion-proof valve |
| RU191455U1 (en) * | 2018-07-13 | 2019-08-06 | Александр Сергеевич Сойкин | EXPLOSIVE SAFETY VALVE WITH FIREPROOFER |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHANGHAI QIYAO SYSTEM ENGINEERING CO., LTD. Assignor: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) Contract record no.: 2014310000149 Denomination of utility model: Flame arrester and explosion-proof valve Granted publication date: 20111102 License type: Exclusive License Record date: 20140807 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151211 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee after: Shanghai shine Heavy Industry Co., Ltd. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111102 |