CN210125492U - Device for reducing spraying and mixing dust - Google Patents
Device for reducing spraying and mixing dust Download PDFInfo
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- CN210125492U CN210125492U CN201920649417.9U CN201920649417U CN210125492U CN 210125492 U CN210125492 U CN 210125492U CN 201920649417 U CN201920649417 U CN 201920649417U CN 210125492 U CN210125492 U CN 210125492U
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Abstract
The utility model provides a reduce and spout device of mixing dust, include: the water ring cavity is arranged in the pipe wall of the sleeve, a water inlet hole is formed in the first end of the pipe wall, a nozzle hole is formed in the second end of the pipe wall, and the water inlet hole and the nozzle hole are communicated with the water ring cavity; the water supply pipe is connected with the water inlet hole; and the spray head is connected to the spray head hole. The sleeve is sleeved on the nozzle, one end of the spray head is close to the outlet end of the nozzle, when concrete is sprayed, pressurized water is injected into the sleeve, the sleeve sprays water to dust which is sprayed out together with the concrete, and the dust falling purpose is achieved timely and effectively from the source. The utility model has the advantages of being simple in structure and low in cost, and convenient operation, on acting on the nozzle of spraying concrete, can be timely effectual carries out the dust fall to the concrete that erupts, falls to minimumly with on-the-spot dust volume from the source, makes workman's occupational health obtain the guarantee.
Description
Technical Field
The utility model relates to a building construction field especially relates to a device that is used for reducing to spout and mixes dust in spraying concrete work progress.
Background
In the concrete spraying construction process, no matter what way the concrete is sprayed, dust is generated, which seriously harms the health of workers, so that a device or a method capable of reducing the dust spraying and mixing is needed.
Conventional methods for reducing dust, which are generally applied before spraying concrete, such as extending the mixing time of water and a mixture, spraying water to the water and the mixture which are not sufficiently mixed before spraying, adding an auxiliary stirring device, and the like, are mainly achieved by sufficiently mixing water and the mixture to reduce the amount of dust generated when spraying concrete.
Although the dust amount is reduced to a certain extent by the method, when the concrete is sprayed out along with strong pressure, a large amount of dust particles are still generated at the nozzle, and although a device similar to a fog gun machine can be used for reducing dust of the sprayed concrete in the existing market, the device has higher cost and inconvenient use and cannot solve the problem from the source.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a simple, high-efficient and low cost carry out the device of dust fall to the concrete that erupts, the device acts on the nozzle department of concrete, sprays the dust that nozzle department produced, and in time effectual from the source falls to minimumly with the dust volume.
In order to achieve the above object, the present invention is specifically realized by the following technical solutions: an apparatus for reducing spray dust comprising:
the water ring cavity is arranged in the pipe wall of the sleeve, a water inlet hole is formed in the first end of the pipe wall, a nozzle hole is formed in the second end of the pipe wall, and the water inlet hole and the nozzle hole are communicated with the water ring cavity;
the water supply pipe is connected with the water inlet hole;
and the spray head is connected to the spray head hole.
The device is simple in structure, low in cost and convenient to operate, only needs to sleeve the pipe on the nozzle of sprayed concrete, and makes shower nozzle one end be close to the exit end of nozzle, when sprayed concrete, has the pressurized-water through pouring into the sleeve pipe, makes the sleeve pipe to spraying water along with the together spun dust of concrete, and then in time effectual reaches the dust fall purpose from the source.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, the sleeve pipe is including the section of intaking and the play water section that is solid pipe wall, and connect in the section of intaking with go out the interlude that is hollow pipe wall between the water section, the inlet opening is along being on a parallel with sheathed tube axis direction link up and locate in the pipe wall of the section of intaking, the shower nozzle hole along being on a parallel with sheathed tube axis direction link up and locate in the pipe wall of play water section, form in the pipe wall of interlude the water ring chamber.
Through the improvement, the water supply direction and the water outlet direction are kept consistent, the water supply process is smoother, the action strength of the spray head during water spraying is improved, and in addition, the water inlet hole and the water outlet hole are arranged on the water inlet section and the water outlet section of the solid pipe wall, so that the structure of the device is more stable and tight.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, the inlet opening protrusion in the first end of pipe wall.
Through the improvement, when the device is used on site, the water supply pipe sleeve can be more quickly arranged on the water inlet hole.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, shower nozzle hole quantity is a plurality of, follows the terminal surface circumference interval of the second end of pipe wall sets up.
Through the improvement, a plurality of spray heads spray water for 360 degrees to the dust at the position of the spray nozzle, so that the spraying area is increased, and the dust falling effect is better.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, be equipped with on the sleeve pipe and prevent the nozzle is worn out sheathed tube locating part.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, the terminal surface of the second end of pipe wall forms to the radial extension in the sleeve pipe the locating part, the internal diameter of locating part is less than the external diameter of nozzle.
Through the improvement, when preventing that the nozzle from wearing out the sleeve pipe, the water spray end of shower nozzle is close to the export of nozzle as far as, makes the shower nozzle can spray water to the dust that the nozzle exit produced in time, and effectual follow is fallen to the minimum with the dust volume in the source, in addition, owing to be annular locating part and have certain width, makes the device can be applicable to the nozzle of different diameters.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, be equipped with on the sleeve pipe be used for with the sleeve pipe is fixed extremely the locking piece of nozzle.
Through the structure, the sleeve can be more stably sleeved on the nozzle, and abrasion to the nozzle caused by radial shaking of the sleeve is prevented.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, the locking piece is followed sheathed tube radial movably connect in on the pipe wall of the section of intaking, just the one end of locking piece stretch into extremely the intraductal portion of cover in order to support in the outer wall of nozzle.
The locking piece is simple in structure and directly acts between the sleeve and the nozzle, so that the sleeve can be locked on the nozzle more stably.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, be located on the locking piece the inside one end of sleeve pipe be equipped with the shape match in the arc kicking block of nozzle outer wall.
Through the setting of arc kicking block, increased when the fastening locking piece, the area of contact between locking piece and the nozzle outer wall makes the locking more firm.
The utility model relates to a reduce and spout further improvement of device of mixing dust lies in, locking piece quantity is two, and the symmetry is located the radial both sides of sleeve pipe.
The symmetry sets up the locking piece, can make nozzle and sleeve pipe keep on the same axis, does not influence the injection direction when spraying the concrete, makes the sleeve pipe can be more firm the cover locate on the nozzle simultaneously.
To sum up, the utility model discloses a but not limited to following beneficial effect: simple structure, low cost, and convenient operation, act on the nozzle of shotcrete, can be timely effectual carries out the dust fall to the concrete that erupts, falls to minimumly with on-the-spot dust volume from the source, makes workman's occupational health obtain the guarantee.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the following briefly introduces the drawings that are needed to describe and summarize the embodiments:
fig. 1 is a schematic view of the overall structure of the embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the exit section at A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the water inlet section at B-B of FIG. 1;
FIG. 4 is a schematic structural view of a water ring cavity according to an embodiment of the present invention;
FIG. 5 is a schematic view showing a connection state of the locking member and the sleeve according to the embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view D-D of the mating nozzle of FIG. 5;
fig. 7 is a schematic sectional view F-F of the mating nozzle of fig. 5.
In the drawings: 10-sleeve, 11-nozzle hole, 12-water inlet hole, 13-water ring cavity, 14-water inlet section, 15-middle section, 16-water outlet section, 21-limiting piece, 22-locking piece, 23-arc top block and 30-nozzle.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
In the concrete spraying construction process, often can produce a large amount of dust, seriously harm workman's healthy, traditional method that reduces the dust is usually used in before spraying the concrete, reach the dust volume that produces when reducing the sprayed concrete through making the abundant mixture of water and mixture, although also there is the device of similar fog gun machine can carry out the dust fall to the concrete that erupts, but this kind of device cost is great, it is inconvenient to use, and can not solve the problem from the source, in order to carry out the dust fall to the concrete that erupts from the source, the invention provides a simple structure, convenient operation's device that carries out the dust fall to the concrete that erupts.
The device for reducing dust spraying and mixing of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4 and fig. 6, the present embodiment provides an apparatus for reducing dust mixture in a tubular nozzle 30, which includes:
the concrete spray nozzle comprises a sleeve 10, a water ring cavity 13 is arranged in the wall of the sleeve 10, a water inlet hole 12 is formed in the first end of the wall, a spray nozzle hole 11 is formed in the second end of the wall, and the water inlet hole 12 and the spray nozzle hole 11 are communicated with the water ring cavity 13;
a water supply pipe connected to the water inlet hole 12;
the shower nozzle is connected in shower nozzle hole 11, in order to save the water and increase the spray area of shower nozzle as far as possible, makes spun fog more complete to the parcel of dust particle, improves the dust fall effect, and the preferred shower nozzle of this embodiment is atomizer.
By adopting the structure, only the sleeve 10 is sleeved on the nozzle 30 for spraying concrete, and one end of the spray head is close to the outlet end of the nozzle 30, when the concrete is sprayed, pressurized water is injected into the water inlet 12 by adopting the water supply pipe, and the pressurized water is sprayed on dust which is sprayed together with the concrete by the spray head connected with the water spraying hole 11 after passing through the water ring cavity 13, so that the aim of timely and effectively reducing the source dust amount is fulfilled.
Further, in the present embodiment, it is preferable that the sleeve 10 is composed of three sections, including a water inlet section 14 and a water outlet section 16 with solid pipe walls, and an intermediate section 15 with a hollow pipe wall connected between the water inlet section 14 and the water outlet section 16, the water inlet hole 12 is through-arranged in the pipe wall of the water inlet section 14 along the direction parallel to the axis of the sleeve 10, the nozzle hole 11 is through-arranged in the pipe wall of the water outlet section 16 along the direction parallel to the axis of the sleeve 10, and the hollow pipe wall of the intermediate section 15 forms the water ring cavity 13.
Through the improvement, the water supply direction and the water outlet direction are kept consistent and are all parallel to the axial direction of the sleeve 10 (namely parallel to the spraying direction of concrete), so that the water supply process is smoother, the action strength of the sprayer during water spraying is improved, and in addition, the water inlet 12 and the water outlet 11 are arranged on the water inlet section 14 and the water outlet section 16 of the solid pipe wall, so that the structure of the device is more stable and tight.
Furthermore, the water inlet 12 protrudes out of the first end of the pipe wall, so that when the device is used on site, a water supply pipe sleeve can be rapidly arranged on the water inlet 12, and the working efficiency is improved.
Further, preferably, the number of the nozzle holes 11 is a plurality, the nozzle holes 11 are circumferentially arranged along the end surface of the second end of the pipe wall at intervals, and each nozzle hole 11 is correspondingly connected with one atomizing nozzle.
Through the improvement, a plurality of atomizer carry out 360 degrees sprays to the dust of nozzle 30 department jointly, have increased and have sprayed the area, make the dust fall effect better.
Further, as shown in fig. 5 and 7, a limiting member 21 for preventing the nozzle 30 from penetrating through the sleeve 10 is installed on the sleeve 10, specifically, in this embodiment, it is preferable that the limiting member 21 is formed by extending from an end surface of the second end of the pipe wall to the inner radial direction of the sleeve, so that the limiting member 21 is annular, and the inner diameter of the limiting member 21 is smaller than the outer diameter of the nozzle 30.
Through the improvement, when the nozzle 30 is prevented from penetrating out of the sleeve 10, the water spraying end of the spray head is close to the outlet of the nozzle 30 as much as possible, so that the spray head can spray water to dust generated at the outlet of the nozzle 30 in time, the dust amount is effectively reduced to the minimum from the source, and in addition, the device can be suitable for nozzles 30 with different diameters due to the fact that the annular limiting piece 21 has a certain width.
Furthermore, the sleeve 10 is provided with a locking member 22 for fixing the sleeve 10 to the nozzle 30, the locking member 22 is movably connected to the wall of the water inlet section 14 along the radial direction of the sleeve 10, and one end of the locking member 22 extends into the sleeve 10 to abut against the outer wall of the nozzle 30, so that the sleeve 10 can be more stably sleeved on the nozzle 30 by the locking member 22, and abrasion of the nozzle 30 due to radial shaking of the sleeve 10 is prevented.
Further, the present embodiment preferably fixes an arc-shaped top block 23 having a shape matching the outer wall of the nozzle 30 to the locking member 22 at the end located inside the casing 10. By the arrangement of the arc-shaped top block 23, the contact area between the locking piece 22 and the outer wall of the nozzle 30 is increased when the locking piece 22 is fastened, so that the locking is more stable.
Further, the number of the locking members 22 is preferably two in this embodiment, and the locking members are symmetrically disposed on both radial sides of the sleeve 10. So that the nozzle 30 and the sleeve 10 are maintained on the same axis, the spraying direction when the concrete is sprayed is not affected, and the sleeve 10 can be more stably sleeved on the nozzle 30.
To the utility model discloses the main step of use:
1. a plurality of atomizing nozzles are respectively embedded in the corresponding nozzle holes 11, a water supply pipe is connected to the water inlet hole 12, then the whole sleeve 10 is sleeved into the nozzle 30, and one end of the limiting part 21 is close to the outlet end of the nozzle 30;
2. fastening the locking piece 22 to enable the arc-shaped top block 23 to be abutted against the outer wall of the nozzle 30;
3. the concrete is sprayed, a water tap is opened at the same time, and pressurized water is injected into the sleeve 10 through the water inlet hole 12, so that the atomizing nozzle performs 360-degree spraying dust reduction on the sprayed concrete at the outlet end of the nozzle 30;
4. after the concrete injection is completed, the faucet is turned off, spraying is stopped, the locking member 22 is loosened, and the sleeve 10 is removed.
It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The above description is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and various changes can be made thereto within the knowledge of those skilled in the art. Therefore, certain details of the embodiments should not be construed as limitations of the invention, which are intended to be covered by the following claims.
Claims (10)
1. A device for reducing dust in spraying and mixing is characterized by comprising:
the water ring cavity is arranged in the pipe wall of the sleeve, a water inlet hole is formed in the first end of the pipe wall, a nozzle hole is formed in the second end of the pipe wall, and the water inlet hole and the nozzle hole are communicated with the water ring cavity;
the water supply pipe is connected with the water inlet hole;
and the spray head is connected to the spray head hole.
2. The device for reducing dust generated by spraying and mixing of the water and the gas as claimed in claim 1, wherein the sleeve comprises a water inlet section and a water outlet section which are solid pipe walls, and a middle section which is connected between the water inlet section and the water outlet section and is a hollow pipe wall, the water inlet hole is arranged in the pipe wall of the water inlet section in a penetrating manner along a direction parallel to the axis of the sleeve, the nozzle hole is arranged in the pipe wall of the water outlet section in a penetrating manner along a direction parallel to the axis of the sleeve, and the water ring cavity is formed in the pipe wall of the middle section.
3. The device for reducing dust mixing by spraying of claim 2, wherein the water inlet hole protrudes from the first end of the tube wall.
4. The device for reducing dust mixing by spraying of claim 2, wherein the number of the nozzle holes is several and the nozzle holes are arranged at intervals along the circumferential direction of the end surface of the second end of the pipe wall.
5. A device for reducing dust emission from spraying and mixing as claimed in any one of claims 1 to 4, wherein the sleeve is provided with a stop to prevent the nozzle from passing out of the sleeve.
6. The device for reducing dust emission of claim 5, wherein the end surface of the second end of the tube wall extends radially into the sleeve to form the retaining member, and the inner diameter of the retaining member is smaller than the outer diameter of the nozzle.
7. A spray dust reduction apparatus according to claim 2, wherein the sleeve is provided with a locking member for securing the sleeve to the nozzle.
8. The device for reducing dust emission through spraying and mixing of claim 7, wherein the locking member is movably connected to the wall of the water inlet section in a radial direction of the sleeve, and one end of the locking member extends into the sleeve to abut against the outer wall of the nozzle.
9. The device for reducing dust emission of claim 8, wherein the end of the locking member inside the casing is provided with an arc-shaped top block with a shape matching the outer wall of the nozzle.
10. The device for reducing dust emission of claim 8, wherein the number of the locking members is two, and the two locking members are symmetrically arranged on two radial sides of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649417.9U CN210125492U (en) | 2019-05-07 | 2019-05-07 | Device for reducing spraying and mixing dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920649417.9U CN210125492U (en) | 2019-05-07 | 2019-05-07 | Device for reducing spraying and mixing dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210125492U true CN210125492U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920649417.9U Active CN210125492U (en) | 2019-05-07 | 2019-05-07 | Device for reducing spraying and mixing dust |
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| CN (1) | CN210125492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000023A (en) * | 2019-05-07 | 2019-07-12 | 中建八局轨道交通建设有限公司 | It is a kind of to reduce the device for spraying mixed dust |
-
2019
- 2019-05-07 CN CN201920649417.9U patent/CN210125492U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000023A (en) * | 2019-05-07 | 2019-07-12 | 中建八局轨道交通建设有限公司 | It is a kind of to reduce the device for spraying mixed dust |
| CN110000023B (en) * | 2019-05-07 | 2024-05-10 | 中建八局轨道交通建设有限公司 | Device for reducing spraying dust |
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