CN112942471A - Flushing nozzle and flushing device - Google Patents
Flushing nozzle and flushing device Download PDFInfo
- Publication number
- CN112942471A CN112942471A CN202110117710.2A CN202110117710A CN112942471A CN 112942471 A CN112942471 A CN 112942471A CN 202110117710 A CN202110117710 A CN 202110117710A CN 112942471 A CN112942471 A CN 112942471A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- flushing
- water
- cover body
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/287—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with jet nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9206—Digging devices using blowing effect only, like jets or propellers
Abstract
The invention relates to the technical field of ships, in particular to a flushing nozzle and a flushing device, wherein the flushing nozzle comprises a nozzle body, a flushing cavity is formed in the nozzle body along the axial direction of the nozzle body, and one end of the nozzle body is connected with a flushing pipe; the nozzle cover comprises a nozzle cover body and a flushing sheet, an installation cavity is formed in the nozzle cover body along the axial direction of the nozzle cover body, and the nozzle cover body is sleeved at one end, far away from the flushing pipe, of the nozzle body through the installation cavity; the flushing sheet is arranged at one end of the mounting cavity, and a notch is formed in the flushing sheet; the flush sheet is configured to: when the nozzle body sprays water, the notch is flushed by water flow; when the nozzle body stops spraying water, the cut is closed. The invention can protect the flushing nozzle from being blocked by mud on the premise of not influencing the normal water spraying of the flushing nozzle, and prolong the service life of the flushing nozzle.
Description
Technical Field
The invention relates to the technical field of ships, in particular to a flushing nozzle and a flushing device.
Background
When the drag suction dredger is used for dredging and pumping the cabin, the mud cabin needs to be flushed by a high-pressure flushing pump to dilute mud so as to facilitate the pumping of the cabin by the mud pump to realize hydraulic filling. According to the calculation of the flushing effect, the tail end of the flushing pipe needs to be provided with flushing nozzles with different calibers to obtain high-pressure water columns so as to achieve the optimal flushing effect. In the prior art, the flushing nozzle is positioned in the slurry for a long time, so the slurry is easy to block the flushing nozzle, and the flushing nozzle is damaged.
Therefore, a need exists for a flush nozzle and a flush apparatus that solve the above problems.
Disclosure of Invention
The invention aims to provide a flushing nozzle and a flushing device, which can protect the flushing nozzle from being blocked by slurry and prolong the service life of the flushing nozzle on the premise of not influencing the normal water spraying of the flushing nozzle.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flush nozzle, comprising:
the nozzle comprises a nozzle body, a water flushing cavity and a water flushing pipe, wherein the water flushing cavity is formed in the nozzle body along the axial direction of the nozzle body, and one end of the nozzle body is connected with the water flushing pipe;
the nozzle cover comprises a nozzle cover body and a flushing sheet, an installation cavity is formed in the nozzle cover body along the axial direction of the nozzle cover body, and the nozzle cover body is sleeved at one end, far away from the flushing pipe, of the nozzle body through the installation cavity;
the flushing sheet is arranged at one end of the mounting cavity, and a notch is formed in the flushing sheet;
the flush sheet is configured to: when the nozzle body sprays water, the notch is flushed by water flow; when the nozzle body stops spraying water, the cut is closed.
Further, the nozzle body includes the taper pipe portion and the play water portion that interconnect and coaxial line set up, the taper pipe portion with the wash pipe is connected, the cover is equipped with on the play water portion the nozzle guard body.
Furthermore, a connecting flange is arranged at one end of the conical pipe part connected with the flushing pipe.
Further, the bath chamber includes toper chamber and pipe chamber, taper pipe portion has seted up the toper chamber, go out water portion seted up with toper chamber intercommunication the pipe chamber.
Further, the nozzle cover is connected with the nozzle body in an interference fit mode.
Furthermore, the outer peripheral face of the water outlet portion is annularly provided with a clamping protrusion, a clamping groove matched with the clamping protrusion is annularly arranged in the installation cavity of the nozzle cover body, the nozzle cover body is sleeved on the water outlet portion, and the clamping protrusion is clamped with the clamping groove.
Further, the outer side surface of the nozzle cover body is annularly provided with a clamp groove, and an annular clamp is arranged in the clamp groove.
Furthermore, the notch is provided with a plurality of notches on the flushing sheet.
Further, the nozzle hood body and the flushing sheet are of an integrated structure.
A flushing device is provided with the flushing nozzle.
The invention has the beneficial effects that:
according to the flushing nozzle and the flushing device provided by the invention, one end of the nozzle body is connected with the flushing pipe, the other end of the nozzle body is sleeved with the nozzle cover body, the flushing sheet is arranged at one end of the mounting cavity of the nozzle cover body, and when the nozzle body sprays water, the notch on the flushing sheet is flushed by water flow to carry out flushing operation; when the nozzle body stops spraying water, the notch is restored to be closed, so that the flushing nozzle is protected from being blocked by slurry, and the service life of the flushing nozzle is prolonged.
Drawings
FIG. 1 is an exploded view of a flush nozzle of the present invention;
figure 2 is a half sectional view of a flush nozzle of the present invention.
In the figure:
1. a nozzle body; 11. a conical tube portion; 111. a tapered cavity; 12. a water outlet part; 121. clamping the bulges; 122. a circular tube cavity; 13. a connecting flange; 2. a nozzle cover; 21. a nozzle boot body; 211. a clamp groove; 22. flushing the water sheet; 221. and (6) cutting.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In order to protect the flushing nozzle from being blocked by mud and prolong the service life of the flushing nozzle on the premise of not influencing the normal water spraying of the flushing nozzle, as shown in figures 1-2, the invention provides the flushing nozzle. This bath nozzle includes: a nozzle body 1 and a nozzle boot 2.
Wherein, a flushing cavity is arranged on the nozzle body 1 along the axial direction of the nozzle body 1, and one end of the nozzle body 1 is connected with a flushing pipe; the high-pressure flushing pump sprays high-pressure water through the flushing cavity through the flushing pipe so as to dilute the slurry. The nozzle cover 2 comprises a nozzle cover body 21 and a flushing sheet 22, a mounting cavity is formed in the nozzle cover body 21 along the axial direction of the nozzle cover body 21, and the nozzle cover body 21 is sleeved at one end, far away from a flushing pipe, of the nozzle body 1 through the mounting cavity; the flushing sheet 22 is fixed at one end of the mounting cavity and is provided with a notch 221.
The flush sheet 22 is configured to: when the nozzle body 1 sprays water, the cut 221 is flushed by the water flow; when the nozzle body 1 stops spraying water, the notch 221 is closed.
One end of the nozzle body 1 is connected with a flushing pipe, the other end of the nozzle body 1 is sleeved with a nozzle cover body 21, one end of an installation cavity of the nozzle cover body 21 is provided with a flushing sheet 22, and when the nozzle body 1 sprays water, a notch 221 on the flushing sheet 22 is flushed by water flow to perform flushing operation; when the nozzle body 1 stops spraying water, the notch 221 is restored to be closed, so that the flushing nozzle is protected from being blocked by mud, and the service life of the flushing nozzle is prolonged.
Further, the nozzle body 1 comprises a taper pipe part 11 and a water outlet part 12 which are connected with each other and are coaxially arranged, the taper pipe part 11 is connected with the flushing pipe, and the water outlet part 12 is sleeved with the nozzle cover body 21. In this embodiment, the water outlet portion 12 is cylindrical, and the tapered tube portion 11 and the water outlet portion 12 are integrated, so that the connection strength between the tapered tube portion 11 and the water outlet portion 12 is ensured.
Further, a connecting flange 13 is arranged at one end of the taper pipe part 11 connected with the flushing pipe. The connecting flange 13 is arranged, so that the conical pipe part 11 and the flushing pipe are fixedly connected, and the connecting flange can ensure that the connecting flange has enough strength after connection, so that the connecting position between the conical pipe part 11 and the flushing pipe can bear the impact of enough high-pressure water.
Furthermore, the flushing cavity comprises a conical cavity 111 and a circular cavity 122, the conical cavity 111 is opened in the conical pipe part 11, and the circular cavity 122 communicated with the conical cavity 111 is opened in the water outlet part 12. The tapered cavity 111 is opened in the tapered pipe portion 11, and the tapered cavity 111 is communicated with the flush pipe, so that the water pressure of the high-pressure water passing through the tapered cavity 111 can be further increased. The high pressure water enters the circular tube cavity 122 through the tapered cavity 111 and then is jetted out from the cut 221 of the flushing sheet 22. Specifically, the taper of the tapered cavity 111 may be designed according to actual needs, and is not limited herein.
Further, the nozzle cover 2 is connected with the nozzle body 1 in an interference fit manner. Through nozzle bonnet 2 and 1 interference fit connection of nozzle body, guarantee the joint strength between nozzle bonnet 2 and the nozzle body 1, can effectively prevent to go up the nozzle bonnet 2 from nozzle body 1 to take off under the effect of water under high pressure.
In order to further improve the connection strength between the nozzle cover 2 and the nozzle body 1, optionally, the outer circumferential surface of the water outlet portion 12 is annularly provided with a clamping protrusion 121, a clamping groove matched with the clamping protrusion 121 is annularly provided in the installation cavity of the nozzle cover body 21, and when the nozzle cover body 21 is sleeved on the water outlet portion 12, the clamping protrusion 121 is clamped with the clamping groove. Through the arrangement, the connection between the nozzle cover 2 and the nozzle body 1 is more stable.
Further, a clamp groove 211 is annularly arranged on the outer side surface of the nozzle cover body 21, and an annular clamp is arranged in the clamp groove 211. The nozzle cover body 21 is sleeved on the nozzle body 1 and hooped by the annular hoop, so that the nozzle cover body 21 is stably connected with the nozzle body 1 and cannot loosen. In this embodiment, the heavy-duty clamp of stainless steel twin bolt is adopted to annular clamp, can satisfy the operation requirement well, is difficult for being corroded by the sea water moreover in work.
Further, the cut 221 is opened with a plurality of cuts on the flushing sheet 22. Specifically, the notches 221 are formed in the flush sheet 22 in a radial shape from the center of the flush sheet 22 to the periphery, and it is possible to ensure that high-pressure water is rapidly ejected from the notches 221.
Further, in order to ensure sufficient connection strength between the flushing sheet 22 and the nozzle cover body 21 so as to still work normally under the impact of high-pressure water, optionally, an integrated structure is formed between the flushing sheet 22 and the nozzle cover body 21. In the present embodiment, the nozzle cover 2 is made of a polyurethane material having high hardness. The thickness of the flushing sheet 22 is thin, so that the notch 221 can be conveniently flushed by high-pressure water, and slurry can be effectively prevented from entering the nozzle body 1 after the notch 221 is closed.
Further, the material of the nozzle body 1 is wear-resistant high-chromium cast iron. Can meet the working condition requirements of silt abrasion and seawater corrosion of a mud cabin of the dredger.
The embodiment also provides a flushing device, which is provided with the flushing nozzle, so that the flushing nozzle can be protected from being blocked by mud on the premise of not influencing the normal water spraying of the flushing nozzle, and the service life of the flushing nozzle is prolonged.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A flush nozzle, comprising:
the nozzle comprises a nozzle body (1), a flushing cavity is formed in the nozzle body (1) along the axial direction of the nozzle body (1), and one end of the nozzle body (1) is connected with a flushing pipe;
the nozzle cover (2) comprises a nozzle cover body (21) and a flushing sheet (22), an installation cavity is formed in the nozzle cover body (21) along the axial direction of the nozzle cover body (21), and the nozzle cover body (21) is sleeved at one end, far away from the flushing pipe, of the nozzle body (1) through the installation cavity;
the flushing sheet (22) is arranged at one end of the mounting cavity and is provided with a notch (221);
the flushing sheet (22) is configured to: when the nozzle body (1) sprays water, the cut (221) is flushed by water flow; when the nozzle body (1) stops spraying water, the cut (221) is closed.
2. A flushing nozzle according to claim 1, characterised in that the nozzle body (1) comprises a cone portion (11) and a water outlet portion (12) which are connected to each other and arranged coaxially, the cone portion (11) being connected to the flushing pipe, the water outlet portion (12) being provided with the nozzle cover body (21) in a sleeved manner.
3. A flushing nozzle according to claim 2, characterised in that the end of the conical portion (11) which is connected to the flushing pipe is provided with a connecting flange (13).
4. A water flushing nozzle according to claim 2 characterised in that the flushing chamber comprises a conical chamber (111) and a circular tube chamber (122), the conical chamber (111) opens into the conical portion (11), and the circular tube chamber (122) communicates with the conical chamber (111) opens into the water outlet portion (12).
5. A flush nozzle according to claim 1, wherein the nozzle cover (2) is connected to the nozzle body (1) in an interference fit.
6. A water flushing nozzle according to claim 2, characterized in that the outer peripheral surface of the water outlet portion (12) is provided with a clamping protrusion (121), the inner ring of the installation cavity of the nozzle cover body (21) is provided with a clamping groove matched with the clamping protrusion (121), and when the nozzle cover body (21) is sleeved on the water outlet portion (12), the clamping protrusion (121) is clamped with the clamping groove.
7. A flushing nozzle according to claim 1, characterised in that the outer side of the nozzle housing body (21) is provided with a collar groove (211) around it, and that the collar groove (211) is provided with an annular collar.
8. A water-flushing nozzle according to claim 1, characterised in that the cut-out (221) is provided with a plurality of cuts in the flushing sheet (22).
9. A flush nozzle according to claim 1, wherein the nozzle housing body (21) is of integral construction with the flush plate (22).
10. A flushing device provided with a flushing nozzle according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117710.2A CN112942471A (en) | 2021-01-28 | 2021-01-28 | Flushing nozzle and flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117710.2A CN112942471A (en) | 2021-01-28 | 2021-01-28 | Flushing nozzle and flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112942471A true CN112942471A (en) | 2021-06-11 |
Family
ID=76238627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110117710.2A Pending CN112942471A (en) | 2021-01-28 | 2021-01-28 | Flushing nozzle and flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112942471A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146820A (en) * | 1982-01-15 | 1983-09-01 | ノ−ドソン・コ−ポレ−シヨン | Method and device for detecting clogging of nozzle |
| CN203684300U (en) * | 2014-01-01 | 2014-07-02 | 特瑞堡工程系统(青岛)有限公司 | Rubber nozzle |
| CN207170041U (en) * | 2017-08-24 | 2018-04-03 | 江苏揽山环境科技股份有限公司 | New type nozzle |
| CN208379531U (en) * | 2018-06-13 | 2019-01-15 | 中交烟台环保疏浚有限公司 | A kind of hydraulic reclamation nozzle |
-
2021
- 2021-01-28 CN CN202110117710.2A patent/CN112942471A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58146820A (en) * | 1982-01-15 | 1983-09-01 | ノ−ドソン・コ−ポレ−シヨン | Method and device for detecting clogging of nozzle |
| CN203684300U (en) * | 2014-01-01 | 2014-07-02 | 特瑞堡工程系统(青岛)有限公司 | Rubber nozzle |
| CN207170041U (en) * | 2017-08-24 | 2018-04-03 | 江苏揽山环境科技股份有限公司 | New type nozzle |
| CN208379531U (en) * | 2018-06-13 | 2019-01-15 | 中交烟台环保疏浚有限公司 | A kind of hydraulic reclamation nozzle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |