CN204503386U - A kind of active middle pressure flame proof rotation nozzle apparatus - Google Patents
A kind of active middle pressure flame proof rotation nozzle apparatus Download PDFInfo
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- CN204503386U CN204503386U CN201420840571.1U CN201420840571U CN204503386U CN 204503386 U CN204503386 U CN 204503386U CN 201420840571 U CN201420840571 U CN 201420840571U CN 204503386 U CN204503386 U CN 204503386U
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- feed pipe
- shower nozzle
- housing
- seal ring
- bearing
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Abstract
The utility model provides a kind of active middle pressure flame proof rotation nozzle apparatus, and this device must reach certain value and could trigger explosion isolation device by blast pressure, and the applicability explosion-proof to coal dust is stronger; The technical scheme adopted is: a kind of active middle pressure flame proof rotation nozzle apparatus, and one end of shower nozzle and feed pipe is by Flange joint, and the other end of feed pipe is blind end, and shower nozzle is used for atomizing of liquids makes it spray according to the curved form of design; Rotating mechanism movable set in the outside of feed pipe, for providing spinfunction for shower nozzle and feed pipe; Casing mechanism is arranged on the outside of rotating mechanism, for providing support and being connected and fixed; The side of feed pipe is provided with water inlet, and rotation speed control mechanism is arranged in feed pipe, and adjacent water inlet is arranged, and rotation speed control mechanism is for controlling the rotating speed of shower nozzle; Sealing mechanism is arranged between feed pipe and casing mechanism, for Fluid Sealing therebetween; The utility model is mainly used in fire-fighting, tunnel depositing dust, the field such as explosion-proof.
Description
Technical field
A kind of active middle pressure flame proof rotation nozzle apparatus of the utility model, belongs to the technical fields such as anti-dangerous, the pipe safety conveying of Coal Chemical Industry safety in production, fire-fighting.
Background technology
Along with the production-scale continuous expansion of Coal Chemical Industry, gas explosion in underground coal mines causes the root of colliery major accident, the colliery of China more than 95% is gassy, wherein the colliery of 49.2% is high methane coal mine, and the coal dust of high methane coal mine equally has explosion hazard, so high methane, coal-dust explosion are continuing to increase Safety of Coal Mine Production threaten degree.Therefore effectively and reliably suppress gas, coal-dust explosion, the loss that reduction explosion disaster brings is problem in the urgent need to address in China's coal-mine safety in production.
Current domestic and international multiple technical field expands research to various flame proof technology, as stone-dust barrier, explosion-insulating water tank and isolated blast water bottle etc. have had certain application in process of production, but substantially uses passive flame proof technology.Passive type flame proof technology mainly relies on the power of shock wave in gas and dust explosion makes explosion isolation device produce action, as tank, the fragmentation of rock dust groove, water bag break off relations and shed blast reducer etc., thus form explosion suppression band, put out the explosive flame lagging behind shock motion, to stop the technology of detonation propagation.If explosion-insulating water tank is that the shock wave pressure relying on explosion time to produce smashes tank, forms water smoke thus stamp out the flames and stop flame propagation to reach flame proof object.Isolated blast water bottle is that the pressure relying on explosion time to produce makes water bag break off relations, and forms water mist body with the endothermic effect of water, puts out and block flame transmission to reach flame proof object.The facilities such as the stone-dust barrier of current Coal Exploitation and water bag are disposable, do not have reusability, therefore to subsequent explosion and repeatedly explosion accident all lose corresponding flame proof effect.In addition, the flame proof usefulness of passive isolated blast establishment is by field erected normative influence, and angle and the storage water yield as water bag hook directly have influence on the effect of isolated blast water bottle, and reliability lowers greatly.The main Problems existing of existing spray resistance equipment be only have single shower nozzle, flame proof liquid spraying range little, spray liquid measure few, dust removing effects is poor, explosion-proof effect be easily subject to air flow impact.If realize effective flame proof effect must have multiple shower nozzle combined spray, but dynamics of often spraying is uneven, and directionality is inaccurate, and device structure is complicated, and take up room comparatively large, cause the wasting of resources, processing cost is also relatively high.
Utility model content
The utility model overcomes the deficiency that prior art exists, and provides a kind of active middle pressure flame proof rotation nozzle apparatus, and this device must reach certain value and could trigger explosion isolation device by blast pressure, and the applicability explosion-proof to coal dust is stronger.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of active middle pressure flame proof rotation nozzle apparatus, comprises shower nozzle, feed pipe, rotating mechanism, sealing mechanism, rotation speed control mechanism and casing mechanism; One end of described shower nozzle and feed pipe is by Flange joint, and the other end of described feed pipe is blind end, and described shower nozzle is used for atomizing of liquids makes it spray according to the curved form of design, and described feed pipe is used for feeding water to shower nozzle; Described rotating mechanism movable set in the outside of feed pipe, for providing spinfunction for shower nozzle and feed pipe; Described casing mechanism is arranged on the outside of rotating mechanism, for providing support and being connected and fixed; The side of described feed pipe is provided with water inlet, and described rotation speed control mechanism is arranged in feed pipe, and adjacent water inlet is arranged, and described rotation speed control mechanism is for controlling the rotating speed of shower nozzle; Described sealing mechanism is arranged between feed pipe and casing mechanism, for Fluid Sealing therebetween.
Preferably, the structure of described casing mechanism is: comprise the first housing and the second housing, described first housing and the second housing are separately positioned on the both sides of feed pipe, described first housing and the second housing coordinate with feed pipe formation one annular give sump, described first housing is provided with water inlet pipe, described water inlet pipe is connected with to sump, described to the intake tunnel being provided with multiple bar shaped in sump, and described intake tunnel is communicated with feed pipe inside.
Preferably, the structure of described sealing mechanism is: comprise bearing dust-proof seal ring, labyrinth seal ring, and described bearing dust-proof seal ring is arranged on the side of bearing, and described labyrinth seal ring is arranged on the opposite side of bearing;
The structure of described labyrinth seal ring is: comprise overflow band, exterior seal ring, pod apertures, inner seal ring and sealing ring body, the arranged outside of described sealing ring body has the overflow band of annular groove-shaped, the inner side of described sealing ring body is dentation, described exterior seal ring is arranged on the outside of sealing ring body, described inner seal ring is arranged on the inner side of sealing ring body, described pod apertures is arranged in sealing ring body, is communicated with inside sealing ring body with overflow band.
Preferably, described first housing and the second housing are provided with spout hole at the position with labyrinth seal loop contacts, and described spout hole is connected with overflow band, the liquid of spilling are discharged the first housing and the second hull outside.
Preferably, the structure of described shower nozzle is: comprise four shaped form apopores, and the delivery port circular array of described apopore is distributed in the head of shower nozzle, and the blade cooperation that described apopore is distributed in four arcs in shower nozzle by circular array is formed.
Preferably, the structure of described rotating mechanism is: comprise fixing watt of bearing and bearing, and described bearing is fixed in the locating slot that watt correspondence is arranged on outside feed pipe two ends, and described bearing correspondence is arranged in fixing watt of bearing.
Preferably, described rotation speed control mechanism is: comprise intra vane and/or outer leafs, and described intra vane is arranged on in sump, and described outer leafs is removably disposed in outside feed pipe, controls the rotating speed of shower nozzle for auxiliary intra vane.
The utility model compared with prior art has following beneficial effect.
1, the utility model utilizes curve apopore, adds that self rotor turns forms the curved surface be made up of drop of spiral, thus makes uniform liquid be distributed in working space, and dynamics of spraying is even, and directionality is accurate, economizes on resources.
2, in the utility model, feed pipe adopts radial water inlet, and inside establish four blades to form draught control rotating speed, the mode adopting pressure and intra vane (and/or outer leafs) to combine limits rotating speed.
3, the utility model seals the mode adopting labyrinth seal to combine with conventional seals circle, ensures less resistance.
4, the utility model promotes wherein humid gas flowing, forms the safety of sympathetic initiation region much larger than Liquid inject range, thus intercepts the propagation of explosive flame, and the utility model device structure is simple, and take up room little, processing cost is low.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1.
Fig. 3 is the structural representation of shower nozzle in the utility model.
Fig. 4 is the sectional view of shower nozzle in the utility model.
In figure, 1 be shower nozzle, 11 be apopore, 2 be feed pipe, 3 be rotating mechanism, 31 be bearing, 32 for fixing watt of bearing, 4 be sealing mechanism, 41 be bearing dust-proof seal ring, 42 be labyrinth seal ring, 421 be overflow band, 422 be exterior seal ring, 423 be pod apertures, 424 be inner seal ring, 425 be sealing ring body, 5 be rotation speed control mechanism, 51 be intra vane, 6 be casing mechanism, 61 to be the first housing, 62 be the second housing, 63 for being water inlet pipe to sump, 64,65 being spout hole.
Detailed description of the invention
As shown in Figure 1 to 4, a kind of active middle pressure flame proof rotation nozzle apparatus of the utility model, comprises shower nozzle 1, feed pipe 2, rotating mechanism 3, sealing mechanism 4, rotation speed control mechanism 5 and casing mechanism 6; Described shower nozzle 1 passes through Flange joint with one end of feed pipe 2, and the other end of described feed pipe 2 is blind end, and described shower nozzle 1 makes it spray according to the curved form of design for atomizing of liquids, and described feed pipe 2 is for feeding water to shower nozzle 1; Described rotating mechanism 3 movable set in the outside of feed pipe 2, for providing spinfunction for shower nozzle 1 and feed pipe 2; Described casing mechanism 6 is arranged on the outside of rotating mechanism 3, for providing support and being connected and fixed; The side of described feed pipe 2 is provided with water inlet, and described rotation speed control mechanism 5 is arranged in feed pipe 2, and adjacent water inlet is arranged, and described rotation speed control mechanism 5 is for controlling the rotating speed of shower nozzle 1; Described sealing mechanism 4 is arranged between feed pipe 2 and casing mechanism 6, for Fluid Sealing therebetween.
The structure of described casing mechanism 6 is: comprise the first housing 61 and the second housing 62, described first housing 61 and the second housing 62 are separately positioned on the both sides of feed pipe 2, described first housing 61 and the second housing 62 coordinate with feed pipe 2 formation one annular give sump 63, described first housing 61 is provided with water inlet pipe 64, described water inlet pipe 64 is connected with giving sump 63, described to the intake tunnel being provided with multiple bar shaped in sump 63, described intake tunnel is communicated with feed pipe 2 inside.
The structure of described sealing mechanism 4 is: comprise bearing dust-proof seal ring 41, labyrinth seal ring 42, described bearing dust-proof seal ring 41 is arranged on the side of bearing 31, and described labyrinth seal ring 42 is arranged on the opposite side of bearing 31;
The structure of described labyrinth seal ring 42 is: comprise overflow band 421, exterior seal ring 422, pod apertures 423, inner seal ring 424 and sealing ring body 425, the arranged outside of described sealing ring body 425 has the overflow band 421 of annular groove-shaped, the inner side of described sealing ring body 425 is dentation, described exterior seal ring 422 is arranged on the outside of sealing ring body 425, described inner seal ring 424 is arranged on the inner side of sealing ring body 425, described pod apertures 423 is arranged in sealing ring body 425, is communicated with inside sealing ring body 425 with overflow band 421.
Described first housing 61 is provided with spout hole 65 with the position that the second housing 62 is contacting with labyrinth seal ring 42, and described spout hole 65 is connected with overflow band 421, the liquid of spilling is discharged the first housing 61 and the second housing 62 outside.
The structure of described shower nozzle 1 is: comprise four shaped form apopores 11, and the delivery port circular array of described apopore 11 is distributed in the head of shower nozzle 1, and the blade cooperation that described apopore 11 is distributed in four arcs in shower nozzle 1 by circular array is formed.
The structure of described rotating mechanism 3 is: comprise fixing watt 32, bearing 31 and bearing, and described bearing is fixed in the locating slot that watt 32 correspondences are arranged on outside feed pipe 2 two ends, and described bearing 31 correspondence is arranged in fixing watt 32, bearing.
Described rotation speed control mechanism 5 is: comprise intra vane 51 and/or outer leafs, and described intra vane 51 is arranged on in sump 63, and described outer leafs is removably disposed in outside feed pipe 2, controls the rotating speed of shower nozzle 1 for auxiliary intra vane 51.
The utility model must reach certain value and could trigger explosion isolation device by blast pressure, and the applicability explosion-proof to coal dust is stronger.
Active explosion isolation device is in conjunction with detector, controller, the collaborative work of spray resistance device, its operation principle is: when detector detects explosive combustion flame, physical quantity is converted into the signal of telecommunication and sends controller to, controller sends instruction, and commander's flusher sprays Explosion suppressant and stamps out the flames thus block flame propagation.
Coal mine generation gas explosion, explosive flame is propagated in tunnel, and signal is started flame proof system by conversion equipment input single-chip microcomputer analysis identification by sensor, and liquid applies pressure makes flame proof liquid inject this device.
Assembling process of the present utility model: first increase seal washer with bolt by Flange joint shower nozzle 1 and feed pipe 2 interface and form rotor, by bearing dust-proof seal ring 41, bearing 31 and labyrinth seal ring 42(have installed supporting rubber seal) be followed successively by from rear portion loading feed pipe 2 pipe shaft order: bearing dust-proof seal ring 41, bearing 31, labyrinth seal ring 42, labyrinth seal ring 42, bearing 31, bearing dust-proof seal ring 41, by fixing for bearing watt 32(totally two groups, often organize two) from loading the locating slot of feed pipe 2 between bearing 31 and labyrinth seal ring 42, two bearings 31 is enclosed within respectively the assembling that outside that bearing fixes watts 32 completes centre mechanism, then and be joined with bolts then previous core mechanism is loaded in the first housing 61 and the second housing 62 according to each self-corresponding holddown groove, between the first housing 61 and the second housing 62, install axial sealing stripe additional, finally, device is arranged on corresponding pipeline and equipment by bolt and flange has assembled.
The course of work of the present utility model: after system starts in pipeline liquid through water inlet pipe 64 be pressed into annular to sump 63, to be distributed in feed pipe 2 to four bar shaped intake tunnels on sump 63, to realize shower nozzle 1 first step feed liquor; Liquid be full of annular to after sump 63, flow into feed pipe 2 inside from the bar shaped intake tunnel of four in feed pipe 2 and realize the second feed liquor.(carry out reinforcement at the intra vane being designed with arc 51 pairs of water inlet bodys of water inlet, produce resistance when rotor turns and provide damping for rotor, its profile design is that the blade of the similar pump of arc is conducive to reducing turbulent flow, increases actual water inlet sectional area, thus reduce the pressure loss its.Because the head of the pressure effect of inside to rotor flows and eject because recoil effect drive rotor rotates after liquid enters feed pipe 2.The apopore 11 of shower nozzle 1 adopts continuous print curve form, liquid droplets is made to basically form four rotating continuous curve surfaces, the curved surface that drop is formed changes further and becomes four spiral cambers and be distributed in tunnel or other working spaces, the spiral camber that section rotates contact with the wall in tunnel formed and roadway shape is identical four form helical blade by drop and promote wherein humid gas and flow (similar axial flow blower), form the safety of sympathetic initiation region much larger than Liquid inject range, thus effectively intercept the propagation of explosive flame.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (7)
1. an active middle pressure flame proof rotation nozzle apparatus, is characterized in that, comprises shower nozzle (1), feed pipe (2), rotating mechanism (3), sealing mechanism (4), rotation speed control mechanism (5) and casing mechanism (6); Described shower nozzle (1) passes through Flange joint with one end of feed pipe (2), the other end of described feed pipe (2) is blind end, described shower nozzle (1) makes it spray according to the curved form of design for atomizing of liquids, and described feed pipe (2) is for feeding water to shower nozzle (1); Described rotating mechanism (3) movable set in the outside of feed pipe (2), for providing spinfunction for shower nozzle (1) and feed pipe (2); Described casing mechanism (6) is arranged on the outside of rotating mechanism (3), for providing support and being connected and fixed; The side of described feed pipe (2) is provided with water inlet, and described rotation speed control mechanism (5) is arranged in feed pipe (2), and adjacent water inlet is arranged, and described rotation speed control mechanism (5) is for controlling the rotating speed of shower nozzle (1); Described sealing mechanism (4) is arranged between feed pipe (2) and casing mechanism (6), for Fluid Sealing therebetween.
2. the active middle pressure flame proof rotation nozzle apparatus of one according to claim 1, it is characterized in that, the structure of described casing mechanism (6) is: comprise the first housing (61) and the second housing (62), described first housing (61) and the second housing (62) are separately positioned on the both sides of feed pipe (2), described first housing (61) and the second housing (62) coordinate with feed pipe (2) formation one annular give sump (63), described first housing (61) is provided with water inlet pipe (64), described water inlet pipe (64) is connected with giving sump (63), described to the intake tunnel being provided with multiple bar shaped in sump (63), described intake tunnel is communicated with feed pipe (2) inside.
3. the active middle pressure flame proof rotation nozzle apparatus of one according to claim 2, it is characterized in that, the structure of described sealing mechanism (4) is: comprise bearing dust-proof seal ring (41), labyrinth seal ring (42), described bearing dust-proof seal ring (41) is arranged on the side of bearing (31), and described labyrinth seal ring (42) is arranged on the opposite side of bearing (31);
The structure of described labyrinth seal ring (42) is: comprise overflow band (421), exterior seal ring (422), pod apertures (423), inner seal ring (424) and sealing ring body (425), the arranged outside of described sealing ring body (425) has the overflow band (421) of annular groove-shaped, the inner side of described sealing ring body (425) is dentation, described exterior seal ring (422) is arranged on the outside of sealing ring body (425), described inner seal ring (424) is arranged on the inner side of sealing ring body (425), described pod apertures (423) is arranged in sealing ring body (425), sealing ring body (425) inner side is communicated with overflow band (421).
4. the active middle pressure flame proof rotation nozzle apparatus of one according to claim 3, it is characterized in that, described first housing (61) is provided with spout hole (65) with the position that the second housing (62) is contacting with labyrinth seal ring (42), described spout hole (65) is connected with overflow band (421), the liquid of spilling is discharged the first housing (61) and the second housing (62) outside.
5. the active middle pressure flame proof rotation nozzle apparatus of one according to claim 4, it is characterized in that, the structure of described shower nozzle (1) is: comprise four shaped form apopores (11), the delivery port circular array of described apopore (11) is distributed in the head of shower nozzle (1), and the blade cooperation that described apopore (11) is distributed in four arcs in shower nozzle (1) by circular array is formed.
6. the active middle pressure flame proof rotation nozzle apparatus of one according to claim 5, it is characterized in that, the structure of described rotating mechanism (3) is: comprise bearing (31) and bearing fixing watt (32), fixing watt (32) correspondence of described bearing is arranged in the locating slot outside feed pipe (2) two ends, and described bearing (31) correspondence is arranged in bearing fixing watt (32).
7. the active middle pressure flame proof rotation nozzle apparatus of one according to claim 6, it is characterized in that, described rotation speed control mechanism (5) is: comprise intra vane (51) and/or outer leafs, described intra vane (51) is arranged on in sump (63), described outer leafs is removably disposed in feed pipe (2) outside, controls the rotating speed of shower nozzle (1) for auxiliary intra vane (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840571.1U CN204503386U (en) | 2014-12-26 | 2014-12-26 | A kind of active middle pressure flame proof rotation nozzle apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840571.1U CN204503386U (en) | 2014-12-26 | 2014-12-26 | A kind of active middle pressure flame proof rotation nozzle apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204503386U true CN204503386U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420840571.1U Expired - Fee Related CN204503386U (en) | 2014-12-26 | 2014-12-26 | A kind of active middle pressure flame proof rotation nozzle apparatus |
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| CN (1) | CN204503386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549810A (en) * | 2014-12-26 | 2015-04-29 | 中北大学 | Active explosion-proof rotational flow spray head |
-
2014
- 2014-12-26 CN CN201420840571.1U patent/CN204503386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549810A (en) * | 2014-12-26 | 2015-04-29 | 中北大学 | Active explosion-proof rotational flow spray head |
| CN104549810B (en) * | 2014-12-26 | 2017-07-04 | 中北大学 | Active explosion-proof rotational flow spray head |
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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: 20150729 Termination date: 20171226 |