CN202224259U - Foam dust suppression spray head - Google Patents
Foam dust suppression spray head Download PDFInfo
- Publication number
- CN202224259U CN202224259U CN2011202707682U CN201120270768U CN202224259U CN 202224259 U CN202224259 U CN 202224259U CN 2011202707682 U CN2011202707682 U CN 2011202707682U CN 201120270768 U CN201120270768 U CN 201120270768U CN 202224259 U CN202224259 U CN 202224259U
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- Prior art keywords
- foam
- inner chamber
- shower nozzle
- convenient
- depositing dust
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Abstract
The utility model discloses a foam dust suppression spray head which comprises a shell with an inner cavity; a nozzle groove which penetrates through the inner cavity and takes the shape of a V-shaped opening is arranged in the middle of an end cover at the top of the shell; a hexagonal nut-shaped threading die which is integrally connected with the outer wall of the shell and convenient for the rotation is arranged on the outer wall of the shell; an outer thread which is convenient for the connection with a spray pipe is arranged at an inlet; the upper part of the inner cavity takes the shape of a hemi-ellipsoid; and a smooth flow line is formed between the surface of the hemi-ellipsoid and the nozzle groove. The spray head provided by the utility model is simple in structure, convenient for mounting and dismounting, convenient for use, large in divergence angle and uniform in spraying; the flow direction of foam flows in the spray head is changed by means of the smooth border, so that the foam fracture is avoided; and the foam dust suppression spray head is suitable for foam dust suppression during mining and channel tunneling and capable of achieving a remarkable dust suppression effect.
Description
Technical field
The utility model relates to shower nozzle, specifically, relates to foam depositing dust shower nozzle.
Background technology
In mining and tunnel excavating process, can produce a large amount of dust, serious harm workman's physical and mental health.Present about 700,000 people of pneumoconiosis patient of China, and with annual people's more than 10,000 speed increase, annual nearly 3000 people die from pneumoconiosis, have brought great misery for patient and family thereof.In order to prevent and treat dust, each state has all taked a series of measure, traditional measures such as atomizing de-dusting, deduster dedusting etc.
The foam dust-settling technology is a kind of dedusting technology of emerging development in nearest two, 30 years, and it is few to have water consumption, the characteristics that efficiency of dust collection is high.The key of foam dust-settling technology is how foam better is sprayed on the product dirt pits, like development machine pick place, transfer point, makes foam form a closely knit solid, surrounds dust within the specific limits, makes it not to external diffusion, reaches the purpose of depositing dust.Shower nozzle has been used very extensive at other fields such as agricultural production, spray for dust suppression; To different application environments, developed the shower nozzle (mouth) of various different structures, as; Several kinds of mechanical type nozzle, y-type nozzle, rotating nozzle, spiral nozzle and combined nozzles etc.; Though these nozzles can both make the atomization of liquid, they only are applicable to monophasic fluid, and also inapplicable for two-phase or multiphase fluid like foaminess.
Existing foam depositing dust shower nozzle also just like May in 2009 Granted publication on the 6th the patent No. be the disclosed a kind of foam nozzle that is applicable to that the colliery foam dust-removing is used of Chinese utility model patent of ZL200820040749.9; It comprises the housing of the hollow cylinder formation that is connected with the termination lid; The middle part of the termination lid of case top offers the nozzle slot of a V-shaped gap of through diameter; The outer wall of housing is provided with the hex nut shape bolt die that is connected as a single entity and is convenient to rotate with it, and the porch is provided with is convenient to the external screw thread that is connected with jet pipe.Though this kind shower nozzle is simple in structure, the foam of ejection has and is evenly distributed, does not form atomizing, diffusion advantages such as angle is big; Because the internal cavity of this shower nozzle and termination lid intersect vertically; Cause foam stream to be undergone mutation easily at this position that intersects vertically, the bump termination is covered, and influences the stability of foam; Thereby influence its dust-laying effect, satisfied not the requirement of high-effective dust-removing.
The utility model content
The utility model technical problem to be solved is, the deficiency to existing foam depositing dust shower nozzle exists provides a kind of simple in structure, and inner flow-line is even, and foam sprays evenly, and the diffusion angle is big, does not influence the foam depositing dust shower nozzle of foam stability.
In order to solve the problems of the technologies described above; The utility model provides ground foam depositing dust shower nozzle, comprises the housing with inner chamber, and the middle part of the termination lid of case top offers a nozzle slot that connects said inner chamber and V-shaped gap; The outer wall of housing is provided with the hex nut shape bolt die that is connected as a single entity and is convenient to rotate with it; The porch is provided with is convenient to the external screw thread that is connected with jet pipe, and the top of said inner chamber is semielliptical shape, forms slick and sly streamline between the surface of said semielliptical and the said nozzle slot.
Above-mentioned foam depositing dust shower nozzle, wherein, two edges of said nozzle slot are circular arc, and form intermediate narrower, two hem width structures.
Above-mentioned foam depositing dust shower nozzle, wherein, the opening degree of depth of said nozzle slot is greater than the thickness of said termination lid.
Above-mentioned foam depositing dust shower nozzle, wherein, the bottom of said inner chamber is cylindrical.
Above-mentioned foam depositing dust shower nozzle, wherein, the radius of said lower cylindrical shape inner chamber equals the short radius of top semielliptical inner chamber.
The beneficial functional of the utility model is: nozzle structure is simple, is convenient to installation and removal, and is easy to use; Angle of flare is big; Sprinkling is even, and foam stream has been avoided lather collapse at the inner border change flow direction that leans on slyness of shower nozzle; Foam depositing dust when being applicable to mining and tunnel piercing, and can reach the dust-laying effect of highly significant.
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail, but not as the qualification to the utility model.
Description of drawings
Fig. 1 is the main pseudosection of the foam depositing dust shower nozzle of the utility model;
Fig. 2 is the vertical view of the foam depositing dust shower nozzle of the utility model.
Wherein, Reference numeral
The 1-housing
The 11-inner chamber
111-top
The 112-bottom
12-termination lid
The 2-nozzle slot
3-hex nut shape bolt die
The 4-external screw thread
The R1-short radius
The R2-radius
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model technical scheme being carried out detailed description, with purpose, scheme and the effect of further understanding the utility model, but is not the restriction as the utility model accompanying claims protection domain.
Consult the vertical view of foam depositing dust shower nozzle of the utility model of main pseudosection and Fig. 2 the utility model of the foam depositing dust shower nozzle of Fig. 1 the utility model; As shown in the figure; The foam depositing dust shower nozzle of the utility model comprises the housing 1 with inner chamber 11, and the middle part of the termination lid 12 at housing 1 top offers the nozzle slot 2 of a through-lumen 11 and V-shaped gap; The outer wall of housing 1 is provided with the hex nut shape bolt die 3 that is connected as a single entity and is convenient to rotate with it; The porch is provided with is convenient to the external screw thread 4 that is connected with a jet pipe, and the top 111 of inner chamber 11 is semielliptical shape, and forms slick and sly streamline between the surface of semielliptical and the nozzle slot 2; The bottom 112 of inner chamber 11 is cylindrical, and the radius R 2 of lower cylindrical shape inner chamber equals the short radius R1 of top semielliptical inner chamber.Preferably, two edges of nozzle slot 2 are the circular arc (see figure 2), and form intermediate narrower, two hem width structures.The opening degree of depth of nozzle slot 2 is greater than the thickness of termination lid 12.
During work, use spanner to block hex nut shape bolt die 3, housing 1 closely is connected with the foam delivery pipeline through external screw thread 4; In pipeline flowed into the housing 1 of foam jet shower nozzle, foam stream was at the water conservancy diversion of housing 1 through the slick and sly streamline of inner chamber 11 under pressure-driven for foam, and static pressure increases; When flowing through nozzle slot 2, pressure is released, again because nozzle slot 2 intermediate narrower; Two hem widths, foam finally become uniform fan to external diffusion.
Certainly; The utility model also can have other various embodiments; Under the situation that does not deviate from the utility model spirit and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (5)
1. foam depositing dust shower nozzle; Comprise the housing with inner chamber, the middle part of the termination lid of case top offers a nozzle slot that connects said inner chamber and V-shaped gap, and the outer wall of housing is provided with the hex nut shape bolt die that is connected as a single entity and is convenient to rotate with it; The porch is provided with is convenient to the external screw thread that is connected with jet pipe; It is characterized in that the top of said inner chamber is semielliptical shape, form slick and sly streamline between the surface of said semielliptical and the said nozzle slot.
2. foam depositing dust shower nozzle according to claim 1 is characterized in that, two edges of said nozzle slot are circular arc, and forms intermediate narrower, two hem width structures.
3. foam depositing dust shower nozzle according to claim 2 is characterized in that, the opening degree of depth of said nozzle slot is greater than the thickness of said termination lid.
4. according to any described foam depositing dust shower nozzle among the claim 1-3, it is characterized in that the bottom of said inner chamber is cylindrical.
5. foam depositing dust shower nozzle according to claim 4 is characterized in that, the radius of said lower cylindrical shape inner chamber equals the short radius of top semielliptical inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202707682U CN202224259U (en) | 2011-07-28 | 2011-07-28 | Foam dust suppression spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202707682U CN202224259U (en) | 2011-07-28 | 2011-07-28 | Foam dust suppression spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202224259U true CN202224259U (en) | 2012-05-23 |
Family
ID=46074868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202707682U Expired - Lifetime CN202224259U (en) | 2011-07-28 | 2011-07-28 | Foam dust suppression spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202224259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240195A (en) * | 2013-05-06 | 2013-08-14 | 中国矿业大学 | Anti-shedding spray-angle-adjustable foam dedusting sprayer |
| 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 |
| CN117619804A (en) * | 2024-01-25 | 2024-03-01 | 成都航利装备科技有限公司 | Turbofan engine airflow channel cleaning tool and use method |
-
2011
- 2011-07-28 CN CN2011202707682U patent/CN202224259U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240195A (en) * | 2013-05-06 | 2013-08-14 | 中国矿业大学 | Anti-shedding spray-angle-adjustable foam dedusting sprayer |
| CN103240195B (en) * | 2013-05-06 | 2015-07-29 | 中国矿业大学 | The foam dust suppression spray head of the adjustable spray angle of a kind of slip-off preventing |
| 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 |
| CN117619804A (en) * | 2024-01-25 | 2024-03-01 | 成都航利装备科技有限公司 | Turbofan engine airflow channel cleaning tool and use method |
| CN117619804B (en) * | 2024-01-25 | 2024-05-07 | 成都航利装备科技有限公司 | Turbofan engine airflow channel cleaning tool and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151209 Address after: 221006 hardware market, science and Technology City, Jiefang South Road, Jiangsu, Xuzhou 3 -311 Patentee after: XUZHOU JIAN TECHNOLOGY CO., LTD. Address before: 100085, room 2, building 1, No. ten, 1603 street, Haidian District, Beijing Patentee before: Kang Zenghui Patentee before: Wang Shuang Patentee before: Wang Shihua |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120523 |
|
| CX01 | Expiry of patent term |