CN202531924U - Explosion-proof one-way valve - Google Patents
Explosion-proof one-way valve Download PDFInfo
- Publication number
- CN202531924U CN202531924U CN2012201085751U CN201220108575U CN202531924U CN 202531924 U CN202531924 U CN 202531924U CN 2012201085751 U CN2012201085751 U CN 2012201085751U CN 201220108575 U CN201220108575 U CN 201220108575U CN 202531924 U CN202531924 U CN 202531924U
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- explosion
- proof
- valve body
- way valve
- support
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Abstract
An explosion-proof one-way valve comprises an air inlet, as well as an air outlet and a valve body that are arranged in the same horizontal line, wherein the valve body is internally provided with an explosion-proof baffle; a support plate is fixedly connected with the external wall of the explosion-proof baffle; a support lug is arranged at the upper part of the valve body; and the support plate is rotationally connected with the support lug by a pin shaft. The explosion-proof one-way valve is simple in structure and convenient, safe and reliable in use, and can meet requirements of users when being arranged on an explosion-proof dust collector.
Description
Technical field
The utility model belongs to the explosion-proof valve technical field, particularly relates to a kind of explosion-proof one-way valve that is applied to dust removal apparatus.
Background technique
At present deduster is a facility commonly used in boiler and the commercial production, but explosive dust is under certain concentration, under the situation that runs into spark or static, probably blasts or burns.Dust explosion is more complicated than combustible substance and inflammable gas, and usually, ignitable dust is suspended in the dust cloud that is formed in the air in the explosion ratio scope, and under the incendiary source effect, a little fireball is at first lighted and form to the part dust that contacts with incendiary source.Under this little fireball burning liberated heat effect, close on around making that dust is heated, temperature raises, the combustion phenomena of catching fire produces, fireball just will enlarge and form dust explosion rapidly like this, and that blasts is greatly dangerous.General explosion precaution can not solve such potential safety hazard.
At present, the used explosion-proof valve of explosion-proof type dust removal apparatus has three kinds, that is: diaphragm type, heavy hammer type and latch-type.Need integral replacing behind the diaphragm type explosion-proof valve venting of dust explosion: heavy hammer type explosion-proof valve volume is big, consumptive material is many, need readjust behind the venting of dust explosion; Latch-type explosion-proof valve complex structure, the adjustment difficulty is big and involve great expense.
Therefore, design a kind of simple in structurely, be swift in response, safe and reliable explosion-proof one-way valve is the technical problem that those skilled in the art need solution badly.
The model utility content
The purpose of the utility model provides a kind of simple in structure, is swift in response, safe and reliable explosion-proof one-way valve.
The technological scheme of the utility model is:
A kind of explosion-proof one-way valve; Comprise intake grill, exhaust outlet and valve body; Said intake grill, exhaust outlet and valve body are installed in same horizontal line, are provided with a burst panel in the said valve body, are fixedly connected with the support supporting plate on the outer wall of said burst panel; Said valve body top is provided with the support ear seat, and said support supporting plate is rotationally connected through bearing pin and support ear seat.
As optimal technical scheme, the said burst panel of the utility model with support between the supporting plate through pin joint, be spirally connected, the mode of riveted joint, clamping, splicing or welding is fixedly connected.
As optimal technical scheme, the upper outer wall of the said valve body of the utility model is provided with access hole, and the valve body at said access hole place is provided with the sealing access door, and said access door is connected with valve seal.
As optimal technical scheme, be provided with seal rubber pad between said access door of the utility model and the valve body.
The advantage of the utility model is:
The utility model effectively stops the flame that causes because of the blast of cleaning shaft or air conditioner unit and the diffusion of high-temperature gas; Thereby avoid the pollution of secondary explosion and working environment; Drop to the damage envelope of blast minimumly, staff and equipment have been played the reliable protection effect.
The utility model is simple in structure, esy to use, safe and reliable, and it is installed on the explosion-proof type dust removal apparatus, can satisfy users' needs.
Description of drawings
Fig. 1 is the structural representation of the utility model first state;
Fig. 2 is the structural representation of the utility model second state;
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, the embodiment of the utility model is proposed, as shown in the figure, a kind of explosion-proof one-way valve comprises intake grill 1, exhaust outlet 2 and valve body 3, said intake grill 1, exhaust outlet 2 and valve body 3 are installed in same horizontal line.During use, exhaust outlet and intake grill are connected to the ingress of dedusting dust suction main pipe or deduster, press airflow direction and install, explosion-proof one-way valve level is installed.
Be provided with a burst panel 4 in the said valve body 3, be fixedly connected with on the outer wall of said burst panel 4 and support supporting plate 5, said valve body 3 tops are provided with support ear seat 6, and said support supporting plate 5 is rotationally connected through bearing pin 7 and support ear seat 6.
Said burst panel 4 with support between the supporting plate 5 through pin joint, rivet, be spirally connected, the mode of clamping, splicing or welding is fixedly connected.In the present embodiment, burst panel and supporting between the supporting plate through rivet together can guarantee that like this burst panel is connected reliably with supporting between the supporting plate, can not occur becoming flexible.
For the ease of maintenance, prolong the working life of explosion-proof valve, the upper outer wall of the said valve body 3 of the utility model is provided with access hole 8, and the valve body at said access hole 8 places is provided with access door 9, and said access door 9 is tightly connected with valve body 3.In regular maintenance or maintenance process, the technician opens access door and just can safeguard explosion-proof valve.For the ease of opening access door, also guarantee that sealing is tight between access door and the valve body simultaneously, access door through be spirally connected, rivet or the mode sealing and fixing of socket on the valve body at access hole 8 places.
In order to make between valve body and the access door sealing tight, be provided with seal rubber pad between said access door 9 and the valve body 3.
Fig. 1 and Fig. 2 are respectively the two states figure of the utility model.
When the utility model uses, exhaust outlet 1 and intake grill 2 are connected to dedusting (dust suction) main pipe, or the ingress of deduster, to press airflow direction and install, valve body 3 level of answering is installed, and access door 9 is up.During the dust pelletizing system off-duty, burst panel 4 falls under action of gravity, and burst panel 4 is blocked intake grill 2.As shown in Figure 1.
When dust pelletizing system was moved, under air-out negative pressure and air intake positive pressure, burst panel 4 was opened, and intake grill 1 communicates with exhaust outlet 2, and the dust that siphoned away in the working procedure this moment can be normal through explosion-proof one-way valve.As shown in Figure 2.
When in the deduster dust explosion taking place, be the malleation value in the deduster; The burst panel 4 of explosion-proof one-way valve can fall under malleation and action of gravity; Burst panel 4 is cut off in intake grill 1 and the exhaust outlet 2, and the burst panel 4 of the explosion-proof one-way valve of dedusting main pipe can stop that flame and high-temperature gas spread in cleaning shaft.As shown in Figure 1.
The above is merely the preferred embodiment of the utility model; Be not therefore and the claim of restriction the utility model; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (4)
1. explosion-proof one-way valve; Comprise intake grill (1), exhaust outlet (2) and valve body (3); It is characterized in that: said intake grill (1), exhaust outlet (2) and valve body (3) are installed in same horizontal line; Be provided with a burst panel (4) in the said valve body (3); Be fixedly connected with on the outer wall of said burst panel (4) and support supporting plate (5), said valve body (3) top is provided with support ear seat (6), and said support supporting plate (5) is rotationally connected through bearing pin (7) and support ear seat (6).
2. explosion-proof one-way valve according to claim 1 is characterized in that: said burst panel (4) with support between the supporting plate (5) through pin joint, rivet, be spirally connected, the mode of clamping, splicing or welding is fixedly connected.
3. explosion-proof one-way valve according to claim 1 and 2; It is characterized in that: the upper outer wall of said valve body (3) is provided with access hole (8); The valve body that said access hole (8) is located is provided with access door (9), and said access door (9) is tightly connected with valve body (3).
4. explosion-proof one-way valve according to claim 3 is characterized in that: be provided with seal rubber pad between said access door (9) and the valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201085751U CN202531924U (en) | 2012-03-21 | 2012-03-21 | Explosion-proof one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201085751U CN202531924U (en) | 2012-03-21 | 2012-03-21 | Explosion-proof one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531924U true CN202531924U (en) | 2012-11-14 |
Family
ID=47133111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201085751U Expired - Fee Related CN202531924U (en) | 2012-03-21 | 2012-03-21 | Explosion-proof one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531924U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344034A (en) * | 2014-09-17 | 2015-02-11 | 昆山嘉科环保设备有限公司 | Pipeline explosion venting device |
| CN105333452A (en) * | 2014-08-14 | 2016-02-17 | 中山市健泰实业有限公司 | Magnetic backflow-preventing device |
| CN107061822A (en) * | 2017-01-10 | 2017-08-18 | 广东省安全生产技术中心（广东省安全生产宣传教育中心） | A kind of flame proof valve for explosive dust atmosphere |
-
2012
- 2012-03-21 CN CN2012201085751U patent/CN202531924U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333452A (en) * | 2014-08-14 | 2016-02-17 | 中山市健泰实业有限公司 | Magnetic backflow-preventing device |
| CN104344034A (en) * | 2014-09-17 | 2015-02-11 | 昆山嘉科环保设备有限公司 | Pipeline explosion venting device |
| CN107061822A (en) * | 2017-01-10 | 2017-08-18 | 广东省安全生产技术中心（广东省安全生产宣传教育中心） | A kind of flame proof valve for explosive dust atmosphere |
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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: 20121114 Termination date: 20210321 |