CN204564373U - Arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable - Google Patents
Arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable Download PDFInfo
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- CN204564373U CN204564373U CN201520008131.4U CN201520008131U CN204564373U CN 204564373 U CN204564373 U CN 204564373U CN 201520008131 U CN201520008131 U CN 201520008131U CN 204564373 U CN204564373 U CN 204564373U
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- male contact
- shaped
- famale connector
- face
- spherosome
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Abstract
The utility model discloses a kind of arc-shaped to spray and the foam dust suppression spray head of angle adjustable, comprise the scarce spherosome that ball nozzle (1), famale connector (2) and male contact (4) ball nozzle (1) comprise band end face, the end face lacking spherosome has blind hole, the dynamic cooperation of ball nozzle (1) is located in the anterior deep-slotted chip breaker of famale connector (2), male contact (4) is sleeved in famale connector (2), and the front end face of male contact (4) leans on the end face of scarce spherosome; Lack spherosome front portion to have to communicate with blind hole and form two bar-shaped troughs (7) of " V " font bar shaped spout.This nozzle structure is simple, outer surface adopts spherical " V " font bar shaped spout, make the depth of foam of ejection even, spray regime is larger, better to dirt source coverage effect, the angle of ball nozzle can also be regulated arbitrarily as required, and difficult drop-off, is widely used in coal mine downhole foam depositing dust, also may be used for as other fields such as fire-fighting fire extinguishings.
Description
Technical field
The utility model relates to a kind of coal mine downhole foam dust-depositing nozzle, and specifically a kind of arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable.
Background technology
Mine dust is one of the main occupational hazards and natural calamity that coal production faces, and digging operation is the master operation of producing dirt, and its dust-producing amount accounts for more than 80% of total dust, the physical and mental health of serious harm coal miner and the safety in production of mine.Pneumoconiosis Patients about 320,000 people of current China's coal-mine industry, and with the speed increase of annual 5000 people, nearly 3000 people die from pneumoconiosis every year, bring great misery to patient and family thereof.In addition, the colliery of China more than 80% belongs to the mine that exploitation has coal seam liable to dust explosion, and wherein more than 50% has intense explosion, and since 2000, the whole nation is accumulative, and particularly serious dust explosion accident 10 occurs, and causes 815 people's death and over ten billion economic losses.In order to prevent and treat dust, underground coal mine generally adopts the technical measures such as spray for dust suppression and coal-bed flooding, but all could not well prevent and treat dust disaster because efficiency of dust collection is low.
Foam dust suppression technology is a kind of dust prevention and control technology that new development is got up, and has water consumption few, efficiency of dust collection advantages of higher, especially has significant dust-laying effect to respirable dust.The key of foam dust suppression technology is how foam is better sprayed on product dirt pits, as development machine pick place, transfer point, makes the solid that formation of foam one is closely knit, surrounds dust within the specific limits, make it not to external diffusion, reach the object of depositing dust.Shower nozzle is used widely at the other field such as agricultural production, spray for dust suppression.For different applied environments, have developed the shower nozzle of various different structure.That generally applies at present has mechanical type shower nozzle, Y type shower nozzle, rotating sprinkler, screw sprayhead and combined jet first-class several.The object of these shower nozzles application all makes the liquid atomization, be only only applicable to monophasic fluid, and inapplicable for two-phase or multiphase fluid of foaminess.Patent ZL200820040749.9, discloses a kind of foam nozzle being applicable to colliery foam dust suppression, and internal cavity and the end closure of this shower nozzle intersect vertically, foam stream is easily caused to be undergone mutation at cavity, clash into end closure, affect the stability of foam, thus affect its dust-laying effect.Patent ZL201120270768.2 also discloses a kind of foam dust suppression spray head, and its internal cavity has carried out round and smooth process, avoids the shock of foam stream, improves to some extent for maintenance foam stability aspect.Publication number is that the utility model patent of CN103240195A also discloses the injection of a kind of arc-shaped and the foam dust suppression spray head of angle adjustable, the structure of its bar shaped spout and U-shaped card, avoids shower nozzle the coming off and can regulate shower nozzle spray angle when being that work.But above-mentioned three kinds of shower nozzles all also exist shortcoming, and first two shower nozzle exists the common drawback of three aspects: the first, the fan-shaped foam stream of these two kinds of shower nozzle ejections is in uneven thickness, easily occurs the thick intermediate thin in both sides, affects the covering of foam to dirt source; The second, these two kinds of shower nozzles are mainly connected with jet nozzle by screw thread, and in use, because shower nozzle is subject to the impact of the coal petrography that development machine cuts away, screw thread easily loosens, and shower nozzle easily comes off and loses; 3rd, the setting angle of shower nozzle directly affects dustfall efficiency, and because these two kinds of shower nozzles are screwed connections, during installation, shower nozzle direction is changeless, can not as required at any time any direction regulate nozzle angle, thus affect dust-laying effect.The third shower nozzle bar shaped spout be covering of the fan ejection foam completely to the covering in dirt source, its dust-laying effect can not be affected.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides simple, good to the dirt source coverage effect arc-shaped of a kind of structure to spray and the foam dust suppression spray head of angle adjustable.
To achieve these goals, a kind of arc-shaped of the utility model is sprayed and the foam dust suppression spray head of angle adjustable, comprises ball nozzle, famale connector and male contact; Described ball nozzle comprises the scarce spherosome of band end face, and the end face lacking spherosome has blind hole, and ball nozzle moves to coordinate and is located in the deep-slotted chip breaker of famale connector front portion, and male contact is sleeved in famale connector, and the front end face of male contact leans on the end face of scarce spherosome; Described scarce spherosome front portion has to communicate with blind hole and forms two bar-shaped troughs of " V " font bar shaped spout.
Preferably, the angle of described two bar-shaped troughs is 120 °.
Further, have the central through hole communicated with bar shaped spout in the middle part of described male contact, on described famale connector outer wall, symmetry has the jack be communicated with up and down, is fitted with U-shaped card in jack, and the corresponding jack position place of male contact has annular groove.Male contact annular slot is corresponding with the U-shaped hole clipping on famale connector surface, U-shaped card famale connector, male contact close fit together, famale connector, male contact are connected with the dual cooperation of U-shaped card by screw thread, namely at tangent line and all restricted active force loosening and come off of axis direction of famale connector, male contact, the drawback that shower nozzle comes off because screw thread easily loosens therefore fundamentally is prevented.
Further, described male contact and famale connector threaded engagement.
Further, anterior six prismatic surfaces for ease of dismounting of outer surface of described famale connector, rear portion is the face of cylinder.
Further, the O RunddichtringO of Leakage prevention is provided with between described male contact and described famale connector.
The utility model is closely cooperated by famale connector, male contact and ball nozzle, ball nozzle can rotate in the deep-slotted chip breaker of famale connector, the step that male contact is inner corresponding with famale connector matches, this nozzle structure is simple, outer surface adopts spherical " V " font bar shaped spout, make the depth of foam of ejection even, spray regime is larger, better to dirt source coverage effect, the angle of ball nozzle can also be regulated arbitrarily as required, and difficult drop-off, be widely used in coal mine downhole foam depositing dust, also may be used for as other fields such as fire-fighting fire extinguishings.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is main TV structure schematic diagram of the present utility model;
Fig. 3 is the sectional structure chart of Fig. 2;
Fig. 4 is left TV structure schematic diagram of the present utility model;
Fig. 5 is plan structure schematic diagram of the present utility model;
In figure: 1, ball nozzle, 2, famale connector, 3, U-shaped card, 4, male contact, 5, jack, 6, annular groove, 7, " V " font bar-shaped trough, 8, central through hole.
Detailed description of the invention
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, the utility model arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable, forms primarily of ball nozzle 1, famale connector 2, U-shaped card 3, male contact 4; Described ball nozzle 1 comprises the scarce spherosome of band end face, and the end face lacking spherosome has blind hole.As shown in Figure 5, lack spherosome front portion and have the bar-shaped trough 7 that two angles forming " V " font bar shaped spout of communicating with blind hole are 120 °, as shown in Figure 3, ball nozzle 1 is located in the deep-slotted chip breaker of famale connector 2 front portion, coordinates, can make circumference and rotate in deep-slotted chip breaker with the deep-slotted chip breaker of famale connector 2 front portion is dynamic, male contact 4 is sleeved in famale connector 2, as shown in Figure 1, anterior six prismatic surfaces for ease of dismounting of outer surface of famale connector 2, rear portion is the face of cylinder.The front portion of described male contact 4 is processed with external screw thread, and the front portion of famale connector 2 is processed with the internal thread matched with the front external thread of male contact 4, male contact 4 and famale connector 2 threaded engagement.As shown in Figure 3 and Figure 4, the front end face of male contact 4 leans on the end face of scarce spherosome, the central through hole 8 communicated with bar shaped spout is had in the middle part of male contact 4, symmetrically on described famale connector 2 outer wall have the jack 5 be communicated with up and down, be fitted with a small handdrum with beads striking when rotated male contact 4 and famale connector 2 in jack 5 and be fixed together U-shaped card 3.As shown in Figure 2, male contact 4 corresponding jack 5 position has annular groove 6, is provided with the O RunddichtringO of Leakage prevention between male contact 4 and famale connector 2.
In use procedure, male contact 4 is welded on head cartridge, and foam flows into central through hole 8 from head cartridge and sprays through the spout of ball nozzle 1.U-shaped card 3 plays the effect of two aspects, is that the internal and external threads preventing from having tightened loosens and causes the axially-movable of ball nozzle 1 on the one hand, carries out axial limiting to famale connector 2 and male contact 4.Namely when male contact 4 and famale connector 2 screwed tight, align with the step in famale connector 2 and jack 5 respectively with the seal groove of O-ring seals and annular groove 6, U-shaped card 3 is passed from jack 5, famale connector, male contact just can not produce motion in the axial direction, and the external screw thread tightened and internal thread also would not loosen.On the other hand, utilize U-shaped card 3 famale connector 2 and male contact 4 more firmly can be connected as a single entity, stopped the two and be subject to the impact that coal petrography that development machine cuts away collides, extrudes, falls to pounding and vibrate, shower nozzle easily comes off and loses.This shower nozzle can prevent from coming off because screw thread loosens in use procedure, and can regulate the angle direction of strip shape gob as required, effectively can cover underground coal mine dust source and suppress the diffusion of dust.And the depth of foam sprayed is evenly distributed, spray the foam nozzle that the large dustfall efficiency in overlay area is high.
Claims (6)
1. arc-shaped is sprayed and a foam dust suppression spray head for angle adjustable, comprises ball nozzle (1), famale connector (2) and male contact (4); Described ball nozzle (1) comprises the scarce spherosome of band end face, the end face lacking spherosome has blind hole, the dynamic cooperation of ball nozzle (1) is located in the anterior deep-slotted chip breaker of famale connector (2), male contact (4) is sleeved in famale connector (2), and the front end face of male contact (4) leans on the end face of scarce spherosome; It is characterized in that, described scarce spherosome front portion has to communicate with blind hole and forms two bar-shaped troughs (7) of " V " font bar shaped spout.
2. arc-shaped according to claim 1 is sprayed and the foam dust suppression spray head of angle adjustable, and it is characterized in that, the angle of described two bar-shaped troughs (7) is 120 °.
3. arc-shaped according to claim 1 and 2 is sprayed and the foam dust suppression spray head of angle adjustable, it is characterized in that, described male contact (4) middle part has the central through hole (8) communicated with bar shaped spout, on described famale connector (2) outer wall, symmetry has the jack (5) be communicated with up and down, be fitted with U-shaped card (3) in jack (5), male contact (4) corresponding jack (5) position has annular groove (6).
4. arc-shaped according to claim 1 and 2 is sprayed and the foam dust suppression spray head of angle adjustable, it is characterized in that, described male contact (4) and famale connector (2) threaded engagement.
5. arc-shaped according to claim 1 and 2 is sprayed and the foam dust suppression spray head of angle adjustable, it is characterized in that, anterior six prismatic surfaces for ease of dismounting of outer surface of described famale connector (2), rear portion is the face of cylinder.
6. arc-shaped according to claim 1 and 2 is sprayed and the foam dust suppression spray head of angle adjustable, it is characterized in that, is provided with the O RunddichtringO of Leakage prevention between described male contact (4) and described famale connector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008131.4U CN204564373U (en) | 2015-01-07 | 2015-01-07 | Arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008131.4U CN204564373U (en) | 2015-01-07 | 2015-01-07 | Arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204564373U true CN204564373U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520008131.4U Expired - Fee Related CN204564373U (en) | 2015-01-07 | 2015-01-07 | Arc-shaped is sprayed and the foam dust suppression spray head of angle adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204564373U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234018A (en) * | 2015-11-25 | 2016-01-13 | 中国矿业大学 | Foam and spraying integrated spray head |
| CN105363583A (en) * | 2015-12-07 | 2016-03-02 | 天津榛发科技有限责任公司 | Nozzle with adjustable jetting range |
| CN105545346A (en) * | 2016-01-28 | 2016-05-04 | 安徽理工大学 | Direction adjustable foam dedusting device used in underground coal mine |
| CN106285606A (en) * | 2016-10-27 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of rotatable nozzle-type double bunch hydraulic jetting fracturing tubing string and fracturing process |
| CN107866337A (en) * | 2017-11-28 | 2018-04-03 | 徐州新南湖科技有限公司 | A kind of colliery construction underground intermittence foam dust suppression spray head |
| CN108942086A (en) * | 2017-05-17 | 2018-12-07 | 上海梅山钢铁股份有限公司 | Continuous casting cooling nozzles processing method |
| CN109708361A (en) * | 2018-09-27 | 2019-05-03 | 青岛海尔股份有限公司 | Refrigerator |
-
2015
- 2015-01-07 CN CN201520008131.4U patent/CN204564373U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234018A (en) * | 2015-11-25 | 2016-01-13 | 中国矿业大学 | Foam and spraying integrated spray head |
| CN105363583A (en) * | 2015-12-07 | 2016-03-02 | 天津榛发科技有限责任公司 | Nozzle with adjustable jetting range |
| CN105545346A (en) * | 2016-01-28 | 2016-05-04 | 安徽理工大学 | Direction adjustable foam dedusting device used in underground coal mine |
| CN105545346B (en) * | 2016-01-28 | 2023-09-15 | 安徽理工大学 | Foam dust removal device with adjustable direction for underground coal mine |
| CN106285606A (en) * | 2016-10-27 | 2017-01-04 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of rotatable nozzle-type double bunch hydraulic jetting fracturing tubing string and fracturing process |
| CN108942086A (en) * | 2017-05-17 | 2018-12-07 | 上海梅山钢铁股份有限公司 | Continuous casting cooling nozzles processing method |
| CN107866337A (en) * | 2017-11-28 | 2018-04-03 | 徐州新南湖科技有限公司 | A kind of colliery construction underground intermittence foam dust suppression spray head |
| CN107866337B (en) * | 2017-11-28 | 2019-06-28 | 徐州新南湖科技有限公司 | A kind of coal mine construction underground intermittence foam dust suppression spray head |
| CN109708361A (en) * | 2018-09-27 | 2019-05-03 | 青岛海尔股份有限公司 | Refrigerator |
| CN109708361B (en) * | 2018-09-27 | 2021-09-21 | 海尔智家股份有限公司 | Refrigerator with a door |
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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: 20150819 Termination date: 20170107 |