CN204522070U - A kind of ceramic core spark arrester - Google Patents
A kind of ceramic core spark arrester Download PDFInfo
- Publication number
- CN204522070U CN204522070U CN201520072336.9U CN201520072336U CN204522070U CN 204522070 U CN204522070 U CN 204522070U CN 201520072336 U CN201520072336 U CN 201520072336U CN 204522070 U CN204522070 U CN 204522070U
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- ceramic
- spark arrester
- honey comb
- ceramic honey
- fire relief
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Abstract
A kind of ceramic core spark arrester, comprise the inlet flange, entrance straight length, expansion segment, back-fire relief section, contraction section, outlet straight length and the outlet(discharge) flange that set gradually from air-flow upstream to downstream, it is characterized in that: in described back-fire relief section, laminating arranges ceramic honey comb core body, described ceramic honey comb core body is closely combined by one or more ceramic honey comb monomer to form, and described ceramic honey comb core body is being 100mm ~ 300mm along the melt flow length in air current flow direction.The medium that the utility model uses Extruded Monolithic Celluar Ceramics to propagate in pipeline as blocking-up flame, the safety in emergency circumstances guaranteeing spark arrester opposite side pipeline, equipment can caught fire in spark arrester one side ducts, has that volume is little, windage is little, corrosion-resistant, easy care and a low cost and other advantages.
Description
Technical field
The utility model belongs to imflammable gas safe transport technical field, relate to a kind of ceramic core spark arrester, using the medium that Extruded Monolithic Celluar Ceramics is propagated in pipeline as blocking-up flame, the safety in emergency circumstances guaranteeing spark arrester opposite side pipeline, equipment can caught fire in spark arrester one side ducts.Compare with existing spark arrester, have that volume is little, windage is little, corrosion-resistant, easy care and low cost and other advantages.
Background technology
The woven wire that conventional spark arrester adopts multilayer fine and closely woven is as back-fire relief medium.When flame runs into the fine and closely woven woven wire of multilayer, because woven wire makes chemical reaction extinguishing to the cooling effect of flame instantaneously, thus reach the object stoping flame to be propagated in pipeline.Although conventional woven wire spark arrester can effectively stop flame to be propagated in pipeline, the following problem of ubiquity: the silk screen 1, using multilayer fine and closely woven, gas channel is irregular, resistance is large, causes system fan power consumption larger; 2, for suitably to reduce windage, strengthen actual internal area and cause again spark arrester volume to increase later, requirements of installation space is larger; 3, wire Netease is corroded by dust, steam, air-flow, causes windage to increase further after woven wire corrosion, slagging scorification, even disappears because heat transfer deterioration back-fire relief function weakens simultaneously; 4, woven wire is once corrosion or stained, cannot keep in repair, and can only change whole spark arrester; 5, woven wire is not easily processed, expensive.
Summary of the invention
For overcoming the above-mentioned shortcoming and defect of existing spark arrester function, structure, the purpose of this utility model is: provide a kind of ceramic core spark arrester, using the medium that Extruded Monolithic Celluar Ceramics is propagated in pipeline as blocking-up flame, the safety in emergency circumstances guaranteeing spark arrester opposite side pipeline, equipment can caught fire in spark arrester one side ducts.Compare with existing spark arrester, ceramic core spark arrester be fast using heat transfer rate, Extruded Monolithic Celluar Ceramics that thermal capacity is large as back-fire relief medium, have that volume is little, windage is little, corrosion-resistant, easy care and a low cost and other advantages.
The technical scheme that the utility model is taked for its technical problem of solution is:
A kind of ceramic core spark arrester, comprise the inlet flange, entrance straight length, expansion segment, back-fire relief section, contraction section, outlet straight length and the outlet(discharge) flange that set gradually from air-flow upstream to downstream, it is characterized in that: in described back-fire relief section, laminating arranges ceramic honey comb core body, described ceramic honey comb core body is closely combined by one or more ceramic honey comb monomer to form, and described ceramic honey comb core body is being 100mm ~ 300mm along the melt flow length L in air current flow direction.
Further, the housing of described expansion segment and contraction section is respectively equipped with a watch window.
Further, the housing upper of described back-fire relief section or sidepiece are provided with a maintenance window, and described maintenance window is flexibly connected with described back-fire relief piece housing.
Preferably, described ceramic honey comb monomer comprises the ceramic thin-walled of " well " word shape and foursquare gas channel, and the inscribed circle diameter a of described foursquare gas channel is 0.6mm ~ 2mm, and the thickness b of described ceramic thin-walled is 0.3mm ~ 1mm.
Preferably, described ceramic honey comb monomer comprises the ceramic thin-walled of honeycomb shape and hexagonal gas channel, and the inscribed circle diameter a of described hexagonal gas channel is 0.6mm ~ 3mm, and the thickness b of described ceramic thin-walled 11 is 0.3mm ~ 1mm.
Innovative point of the present utility model is: 1, use the medium that Extruded Monolithic Celluar Ceramics is propagated in pipeline as blocking-up flame, utilize the feature instantaneous cooling flame that ceramic honey comb heat transfer rate is fast, thermal capacity is large to make chemical reaction extinguishing, thus reach the object stoping flame to be propagated in pipeline; 2, watch window is set, is convenient to observe operation conditions, maintenance window is set, be convenient to change ceramic honey comb.
Compare with traditional spark arrester, the utility model has the advantage of: 1, use the medium that Extruded Monolithic Celluar Ceramics is propagated as blocking-up flame in pipeline, back-fire relief is effective, and gas-flow resistance is little, and spark arrester volume is little; 2, Extruded Monolithic Celluar Ceramics stable chemical nature, can be used under dust, steam and fluid media (medium) have certain corrosive environment; 3, ceramic honey comb be widely used, low price, be easy to buying.4, spark arrester arranges maintenance window, can clear up, changes after ceramic honey comb is stained, maintenance, easy to maintenance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the ceramic honey comb monomer of the utility model square gas channel;
Fig. 3 is the structural representation of the ceramic honey comb monomer of the utility model hexagon gas channel.
In figure:
Inlet flange (1), entrance straight length (2), expansion segment (3), back-fire relief section (4), ceramic honey comb core body (5), ceramic honey comb monomer (51), contraction section (6), outlet straight length (7), outlet(discharge) flange (8), watch window (9), maintenance window (10), ceramic thin-walled (11), gas channel (12).
Detailed description of the invention
Below in conjunction with accompanying drawing of the present utility model, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
Fig. 1 is a kind of embodiment of the present utility model, and the utility model comprises the inlet flange 1, entrance straight length 2, expansion segment 3, back-fire relief section 4, contraction section 6, outlet straight length 7 and the outlet(discharge) flange 8 that set gradually from air-flow upstream to downstream.Wherein, inlet flange 1 connects air-flow admission line, and outlet(discharge) flange 8 connects air-flow outlet pipe; In back-fire relief section 4, laminating arranges ceramic honey comb core body 5, and ceramic honey comb core body 5 is closely combined by one or more ceramic honey comb monomer 51 to form, and ceramic honey comb core body 5 is being 100mm ~ 300mm along the melt flow length L in air current flow direction.
The housing of expansion segment 3 and contraction section 6 arranges a watch window 9, respectively for checking the situation of ceramic honey comb core body 5 in spark arrester.
At housing upper or the sidepiece of back-fire relief section 4, a maintenance window 10 is set, overhauls window 10 and be flexibly connected with back-fire relief section 4 housing, cleaning or replacing ceramic honey comb core body 5 when can open maintenance window for safeguarding, overhauling.
Fig. 2 be a kind of square gas channel ceramic honey comb monomer 51 along the partial cross sectional views of uprush flow direction, as shown in Figure 2, ceramic honey comb monomer 51 makes ceramic thin-walled 11 and the foursquare gas channel 12 of diagram " well " word shape by pottery, wherein, the inscribed circle diameter a of foursquare gas channel 12 is 0.6mm ~ 2mm; The thickness b of pottery thin-walled 11 is 0.3mm ~ 1mm.
Fig. 3 is a kind of partial cross sectional views of ceramic honey comb monomer 5 along uprush flow direction of hexagon gas channel, as shown in Figure 3, ceramic honey comb monomer 51 makes ceramic thin-walled 11 and hexagonal gas channel 12 of diagram honeycomb shape by pottery, wherein, the inscribed circle diameter a of hexagonal gas channel 12 is 0.6mm ~ 3mm; The thickness b of pottery thin-walled 11 is 0.3mm ~ 1mm.
Operation principle of the present utility model is:
Inlet flange 1 and outlet(discharge) flange 8 are connected admission line and the outlet pipe of imflammable gas respectively.During normal condition, imflammable gas is successively by inlet flange 1, entrance straight length 2 and expansion segment 3, owing to increasing through expansion segment 3 airflow section, air-flow velocity declines, enter back-fire relief section 4, enter contraction section 6 by the gas channel of ceramic honey comb core body 5 in back-fire relief section 4 again, after outlet straight length 7 and outlet(discharge) flange 8, enter air-flow outlet pipe; Time abnormality (imflammable gas catches fire), flame is by outlet straight length 7 and exit constriction section 6, due to back through contraction section 3, airflow section increases, gas flow rate declines, enter back-fire relief section 4, the ceramic honey comb core body 5 in back-fire relief section 4 utilizes the feature instantaneous cooling flame that ceramic honey comb material heat transfer rate is fast, thermal capacity is large to make chemical reaction extinguishing, thus blocks the propagation of flame in pipeline.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a ceramic core spark arrester, comprise the inlet flange, entrance straight length, expansion segment, back-fire relief section, contraction section, outlet straight length and the outlet(discharge) flange that set gradually from air-flow upstream to downstream, it is characterized in that: in described back-fire relief section, laminating arranges ceramic honey comb core body, described ceramic honey comb core body is closely combined by one or more ceramic honey comb monomer to form, and described ceramic honey comb core body is being 100mm ~ 300mm along the melt flow length in air current flow direction.
2. a kind of ceramic core spark arrester as claimed in claim 1, is characterized in that: the housing of described expansion segment and contraction section is respectively equipped with a watch window.
3. a kind of ceramic core spark arrester as claimed in claim 1, it is characterized in that: the housing upper of described back-fire relief section or sidepiece are provided with a maintenance window, described maintenance window is flexibly connected with described back-fire relief piece housing.
4. a kind of ceramic core spark arrester as described in claim 1 or 2 or 3, is characterized in that: described ceramic honey comb monomer comprises the ceramic thin-walled of " well " word shape and foursquare gas channel
5. a kind of ceramic core spark arrester as claimed in claim 4, is characterized in that: the inscribed circle diameter of described foursquare gas channel is 0.6mm ~ 2mm, and the thickness of described ceramic thin-walled is 0.3mm ~ 1mm.
6. a kind of ceramic core spark arrester as described in claim 1 or 2 or 3, is characterized in that: described ceramic honey comb monomer comprises the ceramic thin-walled of honeycomb shape and hexagonal gas channel.
7. a kind of ceramic core spark arrester as claimed in claim 6, is characterized in that: the inscribed circle diameter of described hexagonal gas channel is 0.6mm ~ 3mm, and the thickness of described ceramic thin-walled is 0.3mm ~ 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072336.9U CN204522070U (en) | 2015-02-02 | 2015-02-02 | A kind of ceramic core spark arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072336.9U CN204522070U (en) | 2015-02-02 | 2015-02-02 | A kind of ceramic core spark arrester |
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| Publication Number | Publication Date |
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| CN204522070U true CN204522070U (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520072336.9U Expired - Fee Related CN204522070U (en) | 2015-02-02 | 2015-02-02 | A kind of ceramic core spark arrester |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623832A (en) * | 2015-02-02 | 2015-05-20 | 北京矿大节能科技有限公司 | Ceramic core flame arrester |
| CN113156045A (en) * | 2021-02-04 | 2021-07-23 | 南京工业大学 | Visual hydrogen explosion ripple spark arrester back-fire relief capability test and detection protector |
| CN115845293A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | Composite particle fire arrester |
| CN115845296A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | Particle flame arrester capable of replacing flame-retardant particles on line |
| WO2023045362A1 (en) * | 2021-09-24 | 2023-03-30 | 中国石油化工股份有限公司 | Flame arrester capable of automatically eliminating defects of fire arresting portion |
-
2015
- 2015-02-02 CN CN201520072336.9U patent/CN204522070U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623832A (en) * | 2015-02-02 | 2015-05-20 | 北京矿大节能科技有限公司 | Ceramic core flame arrester |
| CN113156045A (en) * | 2021-02-04 | 2021-07-23 | 南京工业大学 | Visual hydrogen explosion ripple spark arrester back-fire relief capability test and detection protector |
| CN113156045B (en) * | 2021-02-04 | 2023-06-30 | 南京工业大学 | Visual hydrogen explosion ripple fire arrestor fire resistance performance test and detection protector |
| CN115845293A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | Composite particle fire arrester |
| CN115845296A (en) * | 2021-09-24 | 2023-03-28 | 中国石油化工股份有限公司 | Particle flame arrester capable of replacing flame-retardant particles on line |
| WO2023045362A1 (en) * | 2021-09-24 | 2023-03-30 | 中国石油化工股份有限公司 | Flame arrester capable of automatically eliminating defects of fire arresting portion |
| CN115845296B (en) * | 2021-09-24 | 2024-01-12 | 中国石油化工股份有限公司 | Particle flame arrester capable of replacing flame-retarding particles in line |
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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: 20150805 Termination date: 20180202 |