CN205243020U - Shower nozzle device for shotcrete - Google Patents
Shower nozzle device for shotcrete Download PDFInfo
- Publication number
- CN205243020U CN205243020U CN201521006009.XU CN201521006009U CN205243020U CN 205243020 U CN205243020 U CN 205243020U CN 201521006009 U CN201521006009 U CN 201521006009U CN 205243020 U CN205243020 U CN 205243020U
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- CN
- China
- Prior art keywords
- water
- water inlet
- shower nozzle
- atomizer
- ejecting device
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Abstract
The utility model relates to a shower nozzle, in particular to shower nozzle device for shotcrete, including water inlet, valve, nozzle base and shower nozzle, be provided with the passageway that supplies the concrete to pass through in the nozzle base, shower nozzle and nozzle base intercommunication, nozzle base's outer wall with be provided with the water ring chamber with the water inlet intercommunication between the passageway, be the water ring cover between passageway and the water ring chamber, all be provided with the water inlet of 4-8 intercommunication water ring chambeies and passageway on 4-8 terminal surfaces of the certain interval of water ring cover axial, water inlet axial certain angle that staggers each other. The utility model discloses can reduce that concrete material when spraying contains without the moist solid carbon dioxide mud particle of moisture, reduce the dust, reduce the material that kick -backs, improved injection intensity.
Description
Technical field
The utility model relates to a kind of shower nozzle, particularly a kind of gunite concrete ejecting device.
Background technology
Along with the increase of present various pollutions and noxious emission, the improvement of atmosphere pollution is become to social development major issue, wherein concrete ejection supporting technique is also one of pollution sources that cause atmosphere pollution. concrete ejection supporting technique, through the development of decades, is generally applied in the Rock Workings Support of building foundation pit, subway, bank protection, highway, high ferro tunnel and mine engineering. at present, concrete support technological development is dry spray and two kinds of processes of wet shot, concrete dry pressure spray process fed distance is far away, equipment is simple, convenient operating maintenance, but when dry spray, be the mixture of dry sand, stone and cement because of raw material, when work, except discharging around spraying machine a large amount of dust, the dry mixture of sand, stone and cement be transported in ejecting device along blast tube by compressed air, then add water and eject, equally also can produce a large amount of dust. the combination of nozzle boss adds head body that what at present dry spray nozzle system generally adopted is as shown in Figure 1, some apertures are bored along an end-face diameter to even in one end of head body, water enters and sand along these apertures from one end of shower nozzle, the dry mixture of stone and cement mixes, then eject, because water is to mix with dry mixture from a circumferential end surfaces, incorporation time is very short, blending space is a face, water is very insufficient with mixing of dry mixture, the concrete that causes ejecting contains a large amount of without the moistening dry cement molecule of moisture, form and pollute dust, serious harm workman's is healthy, but also resilience material increases can cause spraying time, reduce the intensity of jet face.
Utility model content
The purpose of this utility model is the problem for above-mentioned existence, provide a kind of blending space long can make water and the well-mixed gunite concrete ejecting device of concrete mix.
The technical scheme that the utility model gunite concrete is taked with ejecting device is:
A kind of ejecting device, comprise water inlet, valve, nozzle boss and shower nozzle, described water inlet is connected with valve by water pipe, in described nozzle boss, be provided with the passage passing through for concrete, described shower nozzle is communicated with nozzle boss, in the outer wall of described nozzle boss, be provided with the water ring chamber being communicated with water inlet, between passage and water ring chamber, it is water ring cover, described water ring overlaps and on 4 ~ 8 end faces at axial certain distance interval, is provided with 4 ~ 8 water inlets that are communicated with water ring chambeies and passage, the described water inlet certain angle that axially mutually staggers.
The diameter of described water inlet is 0.5mm ~ 4mm.
Described water inlet axial direction staggers 15 ° ~ 45 ° mutually.
The material of described water ring cover comprise Wear-resistant engineering plastic, polyurethane and polytetrafluoroethylene (PTFE), ferrous metal or non-ferrous alloy any one.
A kind of ejecting device, comprise water inlet, valve, nozzle boss and shower nozzle, described water inlet is connected with water pipe, described valve installation is on water pipe, and described shower nozzle is communicated with nozzle boss, and on the tube wall of shower nozzle, circumference offers some water inlets, on described shower nozzle outer wall, be set with the ring-type cloth water cavity with cross current, in described cloth water cavity, be provided with at least one atomizer, the water inlet end of described atomizer and cross current, the spraying end of described atomizer is facing at least one water inlet.
In described cloth water cavity, be provided with at least one vertical atomizer arranging, the water inlet end connecting water pipe of described atomizer, the spraying end emission direction of described atomizer is just to water inlet.
One side of described cloth water cavity is connected with water receiving chamber, and described water receiving chamber is communicated with water pipe, and atomizer is arranged on the sidewall that water receiving chamber is connected with cloth water cavity, and the water inlet end of atomizer is connected with water receiving chamber, and the ejection end of atomizer is positioned at cloth water cavity.
A kind of ejecting device, comprises water inlet, valve, nozzle boss and shower nozzle, and described water inlet is connected with water pipe, described valve peace
Be contained on water pipe, the water end (W.E.) that adds of described shower nozzle is plugged in nozzle boss, in shower nozzle, be provided with the passage passing through for concrete, shower nozzle adds water end (W.E.) cylindrical and offers ring-type cloth water cavity, it is characterized in that: be provided with 4 ~ 8 radially equally distributed water inlets along 4 ~ 8 end faces of ring-type cloth water cavity. The water inlet of each end face is with respect to the upper end face certain angle that staggers.
The quantity of the above atomizer is 4 ~ 10.
The beneficial effects of the utility model are:
1, the water ring chamber of setting and cross current on nozzle boss or on shower nozzle, and water ring chamber is communicated with concrete passage by the water inlet of different end faces the certain angle that mutually staggers, like this in the time that concrete passes through the passage of nozzle boss, utilize water inlet that water is ejected into above concrete uniformly, the time that water is contacted with concrete is longer, and ensure that water fully mixes with concrete, make contained greatly the reducing without the moistening dry cement smile particle of moisture of concrete material of ejecting, resilience material when injection reduces, and has improved the intensity of spraying.
2, cloth water cavity is set on shower nozzle, and install and the atomizer of cross current in cloth water cavity, water in water pipe is ejected in water inlet and enters on concrete material after atomizer atomization like this, the water of atomization just can mix with concrete material, atomized water makes water and the concrete area change mixing, and can incorporate sooner in concrete material, mixes fully, reduce dust, improved the intensity of spraying.
3, through evidence, the utility model gunite concrete is not less than 20MP by the jet face compression strength of ejecting device, the concrete ratio of adding water is about 0.4 ~ 0.6 times of cement weight, and the dust concentration of conventional dry being sprayed to formula spraying machine shower nozzle place is reduced to 300 ~ 500mg/m3, make jetting material rebound degree be reduced to 5% ~ 10%.
Brief description of the drawings
Fig. 1 is ejecting device structural representation in prior art;
Fig. 2 is the cross-sectional view of the embodiment mono-of the utility model gunite concrete ejecting device;
Fig. 3 is the structural representation of nozzle boss in Fig. 2;
Fig. 4 is A-A sectional structure schematic diagram in Fig. 3;
Fig. 5 is B-B sectional structure schematic diagram in Fig. 3;
Fig. 6 is C-C sectional structure schematic diagram in Fig. 3;
Fig. 7 is D-D sectional structure schematic diagram in Fig. 3;
Fig. 8 is the cross-sectional view of the embodiment bis-of the utility model gunite concrete ejecting device.
Fig. 9 is the structural representation of the embodiment tri-of the utility model gunite concrete ejecting device;
Figure 10 is the structural representation of the embodiment tetra-of the utility model gunite concrete ejecting device.
In figure: 1-shower nozzle, 2-water inlet, 3-nozzle boss, 4-water ring cover, 5-valve, 6-water inlet, 7-adds water end (W.E.), 8-groove section, 9-cloth water cavity, 10-atomizer.
Detailed description of the invention
The embodiment mono-of ejecting device for the utility model gunite concrete, as shown in Fig. 1 ~ 7, comprise water inlet 6, valve 5, nozzle boss 3 and shower nozzle 1, in nozzle boss 3, be provided with the passage spraying for concrete, shower nozzle 1 is communicated with nozzle boss 3, between the passage of the outer wall of nozzle boss 3 and shower nozzle 1, offer the water ring chamber of the column being communicated with water inlet 6, between water inlet 6 and water ring cover 4, the valve 5 opening and closing for controlling water pipe is installed, it between passage and water ring chamber, is water ring cover 4, on 4 ~ 8 end faces at water ring cover 4 axial certain distance intervals, be provided with 4 ~ 8 water inlets that are communicated with water ring chamber and passage, as shown in Fig. 4 ~ 7, water ring cover in the present embodiment offers four end faces and is used for offering water inlet 2, the water inlet of the each end face certain angle that all staggers, the distance of the water inlet of A end face and vertical axis is 0 degree, the water inlet of B end face and the angle of vertical axis are 45 degree, the water inlet of C end face and the angle of vertical axis are 30 degree, the water inlet of D end face and the angle of vertical axis are 15 degree, like this in the time that concrete passes through the passage of nozzle boss, open valve 5, water flows in water ring cover 4 from water inlet, then the water in water ring cover is comprehensive by water inlet, join uniformly in concrete mix, can make time and space that water contacts with concrete mix lengthen, mixture is fully mixed with water, the concrete material that ejects is contained to be reduced greatly without the moistening dry cement molecule of moisture, dust significantly reduces, when injection, resilience material reduces, improve jet face intensity, avoid the pollution to environment of the dust that ejects.
The embodiment bis-of ejecting device for gunite concrete, as shown in Figure 8, different from embodiment mono-being offered groove section 8 at the cylindrical that adds water end (W.E.) of shower nozzle, along getting 4 ~ 8 end faces in groove section, offers 4 ~ 8 radially equally distributed water inlets that angle is different on each end face.
The embodiment tri-of ejecting device for gunite concrete, as shown in Figure 9, on shower nozzle, offer several water inlets 2, a cloth water cavity 9 is installed on the outer wall of shower nozzle, several small-sized atomizers 10 are installed in cloth water cavity, the water inlet end of atomizer 10 and cross current, the water inlet 2 that spraying end is offered on corresponding shower nozzle 1, water enters atomizer 10 by water pipe, from the spraying section ejection spray water of atomizer 10, and the spray water that has little time cohesion is directly ejected into above concrete material by inlet opening 2, make water more abundant with mixing of concrete material, reduce the resilience material while injection, improve and spray intensity.
The embodiment tetra-of ejecting device for gunite concrete, as shown in figure 10, the water receiving chamber that the left side that be cloth water cavity 9 different from embodiment tri-is connecting water pipe, the water entering through water inlet 6 is stored in water receiving chamber, then 4 ~ 10 atomizers that are circular layout 10 are set on the wall on 9 right sides, water receiving chamber, the downward-sloping setting of atomizer 10 level, the water inlet that the water after atomizer 10 atomizations is offered on by shower nozzle is mixed in concrete material.
The embodiment five of ejecting device for gunite concrete, different from embodiment tri-is: sprayer 10 is installed in the water inlet of offering on the outer wall of shower nozzle, the water inlet end of sprayer 10 is positioned at cloth water cavity, and the ejection end of sprayer 10 is facing to the concrete material of nozzle cavity.
The utility model gunite concrete with ejecting device experiment effect: through evidence, the utility model gunite concrete is not less than 20MP by the jet face compression strength of ejecting device, the concrete ratio of adding water is about 0.4 ~ 0.6 times of cement weight, the dust concentration of conventional dry being sprayed to formula spraying machine shower nozzle place is reduced to 300 ~ 500mg/m3, makes jetting material rebound degree be reduced to 5 ~ 10%.
Claims (9)
1. a gunite concrete ejecting device, comprise water inlet, valve, nozzle boss and shower nozzle, described water inlet is connected with valve by water pipe, in described nozzle boss, be provided with the passage passing through for concrete, described shower nozzle is communicated with nozzle boss, it is characterized in that: in the outer wall of described nozzle boss, be provided with the water ring chamber being communicated with water inlet, between passage and water ring chamber, it is water ring cover, described water ring overlaps and on 4 ~ 8 end faces at axial certain distance interval, is provided with 4 ~ 8 water inlets that are communicated with water ring chambeies and passage, the described water inlet certain angle that axially mutually staggers.
2. gunite concrete ejecting device according to claim 1, is characterized in that: the diameter of described water inlet is 0.5mm ~ 4mm.
3. gunite concrete ejecting device according to claim 1, is characterized in that: described water inlet axial direction staggers 15 ° ~ 45 ° mutually.
4. gunite concrete ejecting device according to claim 1, is characterized in that: the material of described water ring cover comprise Wear-resistant engineering plastic, polyurethane and polytetrafluoroethylene (PTFE), ferrous metal or non-ferrous alloy any one.
5. a gunite concrete ejecting device, comprise water inlet, valve, nozzle boss and shower nozzle, described water inlet is connected with water pipe, described valve installation is on water pipe, described shower nozzle is communicated with nozzle boss, on the tube wall of shower nozzle, circumference offers some water inlets, it is characterized in that: on described shower nozzle outer wall, be set with the ring-type cloth water cavity with cross current, in described cloth water cavity, be provided with at least one atomizer, the water inlet end of described atomizer and cross current, the spraying end of described atomizer is facing at least one water inlet.
6. gunite concrete ejecting device according to claim 5, it is characterized in that: in described cloth water cavity, be provided with at least one vertical atomizer arranging, the water inlet end connecting water pipe of described atomizer, the spraying end emission direction of described atomizer is just to water inlet.
7. gunite concrete ejecting device according to claim 5, it is characterized in that: a side of described cloth water cavity is connected with water receiving chamber, described water receiving chamber is communicated with water pipe, atomizer is arranged on the sidewall that water receiving chamber is connected with cloth water cavity, the water inlet end of atomizer is connected with water receiving chamber, and the ejection end of atomizer is positioned at cloth water cavity.
8. according to the gunite concrete ejecting device described in claim 5 ~ 7 any one, it is characterized in that: the quantity of described atomizer is 4 ~ 10.
9. a gunite concrete ejecting device, comprise water inlet, valve, nozzle boss and shower nozzle, described water inlet is connected with water pipe, described valve installation is on water pipe, the water end (W.E.) that adds of described shower nozzle is plugged in nozzle boss, is provided with the passage passing through for concrete in shower nozzle, and shower nozzle adds water end (W.E.) cylindrical and offers groove section, it is characterized in that: be provided with 4 ~ 8 radially equally distributed water inlets along 4 ~ 8 end faces of groove section, the water inlet of each end face is with respect to the upper end face certain angle that staggers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006009.XU CN205243020U (en) | 2015-12-08 | 2015-12-08 | Shower nozzle device for shotcrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521006009.XU CN205243020U (en) | 2015-12-08 | 2015-12-08 | Shower nozzle device for shotcrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243020U true CN205243020U (en) | 2016-05-18 |
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ID=55942100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521006009.XU Expired - Fee Related CN205243020U (en) | 2015-12-08 | 2015-12-08 | Shower nozzle device for shotcrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442849A (en) * | 2015-12-08 | 2016-03-30 | 河南省煤炭科学研究院有限公司 | Sprayer device for jetting concrete |
-
2015
- 2015-12-08 CN CN201521006009.XU patent/CN205243020U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442849A (en) * | 2015-12-08 | 2016-03-30 | 河南省煤炭科学研究院有限公司 | Sprayer device for jetting concrete |
| CN105442849B (en) * | 2015-12-08 | 2018-04-17 | 河南省煤科院科明机电设备有限公司 | Gunite concrete ejecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170901 Address after: Fengyang high tech Industrial Development Zone, Henan province Zhengzhou city 450001 Street No. 17 Patentee after: Henan Igood Keming Electromechanical Equipment Co. Ltd Address before: High tech Zone Fengyang Street 450000 Henan city of Zhengzhou province No. 17 Patentee before: Henan Coal Science Research Institute Co., Ltd. |
|
| 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: 20160518 Termination date: 20181208 |