CN108554664A - A kind of nozzle arrangements of gunite concrete - Google Patents
A kind of nozzle arrangements of gunite concrete Download PDFInfo
- Publication number
- CN108554664A CN108554664A CN201810648371.9A CN201810648371A CN108554664A CN 108554664 A CN108554664 A CN 108554664A CN 201810648371 A CN201810648371 A CN 201810648371A CN 108554664 A CN108554664 A CN 108554664A
- Authority
- CN
- China
- Prior art keywords
- hole
- mixing tube
- concrete
- drainage plate
- nozzle arrangements
- 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
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 79
- 239000011378 shotcrete Substances 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a kind of nozzle arrangements of gunite concrete, belong to the technical field of nozzle.Technical points include the first mixing tube being connected successively with the delivery pipe of concrete, second mixing tube and jet pipe, the first mixing tube side wall is equipped with for multiple first through hole in accelerator and air access tube, it is corresponded in first mixing tube and is equipped with drainage plate between multiple first through hole, the drainage plate is equipped with the through-hole unit being arranged circumferentially about, the through-hole unit includes the third through-hole of the second through-hole extended by the downward inner side surface in outside of drainage plate upper surface and the downward outer side surface extension in inside by drainage plate upper surface, it second through-hole and third through-hole arranged crosswise and is respectively independently arranged.The present invention has the characteristics that make the concrete ectonexine in pipe can be contacted with accelerator and water, is more fully mixed springback capacity that is uniform, reducing concrete ejection.
Description
Technical field
The present invention relates to nozzles, more specifically to a kind of nozzle arrangements of gunite concrete.
Background technology
Currently, concrete ejection technology is by by concrete sprayer, being carried using compressed gas or other modes
For power, and there is nozzle concrete ejection on by spray plane, so that concrete is condensed hardening rapidly, to achieve the goal.This
Technology it is critical that whether concrete is uniformly mixed under the action of accelerator and air, uniformity is for reducing coagulation
The springback capacity and raising construction quality of soil will produce great influence.Existing nozzle is to inject accelerator and sky by outer wall
Gas enables internal concrete to be in contact with it, and still, the concrete in pipe can in this way only had close to the part of nozzle inner walls
Contact obtains accelerator, and centrally located concrete is not sufficiently mixed with accelerator, thus cannot be rapid after ejection
Solidification, the springback capacity of gunite concrete when increasing construction, and the dust concentration generated improves, and seriously affects construction environment.
Invention content
The present invention provides a kind of concrete ectonexine that can make in pipe and can contact, be more fully mixed with accelerator and water
Uniformly, the nozzle arrangements of the gunite concrete of the springback capacity of concrete ejection are reduced.
To achieve the above object, the nozzle arrangements of a kind of gunite concrete provided by the invention, including successively with coagulation
The first mixing tube, the second mixing tube and the jet pipe that the delivery pipe of soil is connected, the first mixing tube side wall are equipped with and are used for
Multiple first through hole in accelerator and air access tube, corresponds in first mixing tube and set between multiple first through hole
There are drainage plate, the drainage plate to be equipped with the through-hole unit being arranged circumferentially about, the through-hole unit includes by drainage plate
The second through-hole that the downward inner side surface in the outside on surface extends and extended by the downward outer side surface in inside of drainage plate upper surface
It third through-hole, second through-hole and third through-hole arranged crosswise and is respectively independently arranged.
Further, the outer wall of first mixing tube corresponds to the position of first through hole equipped with groove, the groove
Place is arranged with casing, and the feeder sleeve for being provided with accelerator and air is connected on the casing.
Further, sealing ring 6 is equipped between the casing both ends and the outer wall of the first mixing tube.
Further, the first through hole is prolonged by the outer wall inward wall of the first mixing tube along the conveying direction of concrete
It stretches.
Further, second mixing tube is Taper Pipe, the diameter of second mixing tube by the first mixing tube extremely
Jet pipe direction tapers into.
Further, the inner wall of second mixing tube is equipped with the protrusion of helically line arrangement.
Further, the jet pipe is socketed with the second mixing tube by screw thread.
Advantageous effect
Compared with prior art, the present invention has the following advantages：
1, the present invention is used for concrete-spraying technology, by the improvement to nozzle, make concrete in pipe before ejecting with
Accelerator and air can be sufficiently mixed, and reduce the springback capacity of gunite concrete, are also prevented from concrete ejection and formed dust pollution, carry
High construction quality；Concrete in pipe is replaced by the ectonexine of drainage plate, makes the concrete of internal layer and outer layer energy and rapid hardening
Agent and air are in direct contact, and improve mixing efficiency；
2, the present invention, which is passed through accelerator and the first through hole of air, will not be allowed in this way along the flow direction of concrete
Concrete flows back in first through hole, meanwhile, feeder sleeve ensures that sealing, accelerator and air are pressed into pipe, can accelerate concrete
Mixing efficiency；
3, the second mixing tube gradually narrows, and plays the role of poly- material, and raised guiding concrete above forms eddy flow, further
Be uniformly mixed, compared with the prior art in smooth inner wall duct, the present apparatus can preferably make concrete have more times into
The mixing of row and accelerator；
4, jet pipe can also carry out dismounting and change, because the effect of the poly- material of the second mixing tube and delay concrete ejection, makes
The narrowed place of second mixing tube is easy to allow concrete coagulation and accumulation, therefore, to this when dismountable jet pipe can maintain easily
The concrete of place's accumulation is handled.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the elevational cross-sectional view of the present invention；
Fig. 3 is the elevational cross-sectional view of the drainage plate of the present invention；
Fig. 4 is the vertical view of the drainage plate of the present invention.
In figure：1, the first mixing tube；11, first through hole；12, groove；2, the second mixing tube；21, raised；3, jet pipe；4、
Drainage plate；41, the second through-hole；42, third through-hole；5, casing；51, feeder sleeve；6, sealing ring.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
The embodiment of the present invention is such：As shown in figures 1-4, a kind of nozzle arrangements of gunite concrete, including according to
Secondary the first mixing tube 1 being connected with the delivery pipe of concrete, the second mixing tube 2 and jet pipe 3 are set on first mixing tube, 1 side wall
It is useful for multiple first through hole 11 in accelerator and air access tube, multiple first through hole 11 is corresponded in the first mixing tube 1
Between be equipped with drainage plate 4, drainage plate 4 is equipped with the through-hole unit that is arranged circumferentially about, and through-hole unit includes by 4 upper surface of drainage plate
The second through-hole 41 for extending of the downward inner side surface in outside and extended by the downward outer side surface in inside of 4 upper surface of drainage plate the
It three through-holes 42, the second through-hole 41 and 42 arranged crosswise of third through-hole and is respectively independently arranged, i.e. the second through-hole 41 and third through-hole
42 not intercommunications.The present invention is used for concrete-spraying technology, by the improvement to nozzle, make concrete in pipe before ejecting with
Accelerator and air can be sufficiently mixed, and reduce the springback capacity of gunite concrete, are also prevented from concrete ejection and formed dust pollution, carry
High construction quality.Concrete in first mixing tube 1 passes through drainage plate 4, and the ectonexine of concrete can be made into line replacement, replaced
The outer concrete that the preceding accelerator being passed through with side wall comes into full contact with, can be drained to central part, and the concrete at internal layer center
It drains into outside to mix with the accelerator for continuing to be passed through, the concrete of internal layer and outer layer is made directly to be connect with accelerator and air
It touches, improves mixing efficiency.
In the present embodiment, the outer wall of the first mixing tube 1 corresponds to the position of first through hole 11 and is equipped with groove 12, at groove 12
It is arranged with casing 5, the feeder sleeve 51 for being provided with accelerator and air is connected on casing 5.Groove 12 allows external device (ED) to be passed through
Accelerator and air carry out preliminary mixing in advance.Sealing ring 6 is equipped between 5 both ends of casing and the outer wall of the first mixing tube 1.Speed
Solidifying agent and compressed air are pressed by feeder sleeve 51 in pipe, are in direct contact and are mixed with concrete, while providing injection pressure, because
This, needs to seal by sealing ring 6, prevents accelerator from revealing, and is also prevented from concrete adverse current.
In the present embodiment, first through hole 11 is prolonged by the outer wall inward wall of the first mixing tube 1 along the conveying direction of concrete
It stretches.The arrangement of first through hole 11 is to further prevent the adverse current of concrete, and concrete is prevented to be leaked in groove 12 or block
First through hole 11,.Meanwhile it along the setting in concrete conveyance direction, being also convenient for compressed air and providing power to the injection of concrete.
In the present embodiment, the second mixing tube 2 is Taper Pipe, and the diameter of the second mixing tube 2 is by the first mixing tube 1 to jet pipe 3
Direction tapers into.Such setting makes the second mixing tube 2 be provided with preferably poly- material effect, and the second mixing tube 2 is interior
Wall is equipped with the protrusion 21 of helically line arrangement, and still concrete forms eddy flow before ejection, increases the transport track of concrete,
And concrete and accelerator can be further allowed to be sufficiently mixed uniformly.In gunite concrete, coordinate setting for above-mentioned drainage plate 4
It sets, the production quantity of dust can be reduced, reduce the springback capacity of gunite concrete, improve construction quality and Optimizing construction environment.
In the present embodiment, jet pipe 3 is socketed with the second mixing tube 2 by screw thread.Jet pipe 3 and the second mixing tube 2 are detachable
Connection, convenient when safeguarding, the place that condensation concrete is easy to the junction of the two is handled, and jet pipe 3 can have
It is variously-shaped, different jet pipes 3 can be replaced as needed, adapt to the environment of different gunite concretes.
In the use of the present invention, being connect with the delivery end of delivering concrete by the first mixing tube 1, the formation of the first mixing tube 1
Shoulder convenient connect with delivery pipe.Concrete is passed through the first mixing tube 1, is passed through accelerator at groove 12 simultaneously and compression is empty
Gas is entered by first through hole 11 in pipe after the two at groove 12 tentatively mix, with 1 inner wall of close first mixing tube
Concrete is in direct contact mixing, and concrete is after drainage plate 4, the concrete transposition of ectonexine, the concrete of internal layer
The accelerator and air that can be directly passed through with side wall contact mixing, and are drained to internal layer in the concrete of outer layer originally, so just
The concrete in pipe can be allowed to be sufficiently mixed uniformly.Then concrete is passed through the second mixing tube 2, and the second mixing tube 2 constantly narrows straight
Diameter, concrete are gathered, and under spiral helicine raised 21 guiding, are formed eddy flow, are further sufficiently mixed, then by spraying
Pipe 3 sprays.The concrete springback amount ejected is few, does not also allow to be also easy to produce dust and pollute construction environment, improves concrete
The quality of sprayed construction.
It the above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, do not taking off
Under the premise of from structure of the invention, several modifications and improvements can also be made, these all do not interfere with the effect that the present invention is implemented
And patent practicability.
Claims (7)
1. a kind of nozzle arrangements of gunite concrete, including the first mixing tube for being connected successively with the delivery pipe of concrete
(1), the second mixing tube (2) and jet pipe (3), which is characterized in that described the first mixing tube (1) side wall is equipped with for rapid hardening
Multiple first through hole (11) in agent and air access tube correspond to multiple first through hole (11) in first mixing tube (1)
Between be equipped with drainage plate (4), the drainage plate (4) is equipped with the through-hole unit that is arranged circumferentially about, the through-hole unit packet
Include the second through-hole (41) extended by the downward inner side surface in outside of drainage plate (4) upper surface and by drainage plate (4) upper surface
The third through-hole (42) that the downward outer side surface in inside extends, second through-hole (41) and third through-hole (42) arranged crosswise and
Respectively it is independently arranged.
2. a kind of nozzle arrangements of gunite concrete according to claim 1, which is characterized in that first mixing
The position that the outer wall of pipe (1) corresponds to first through hole (11) is equipped with groove (12), and casing (5) is arranged at the groove (12),
Connection is provided with the feeder sleeve (51) of accelerator and air on the casing (5).
3. a kind of nozzle arrangements of gunite concrete according to claim 2, which is characterized in that the casing (5)
Sealing ring (6) is equipped between both ends and the outer wall of the first mixing tube (1).
4. a kind of nozzle arrangements of gunite concrete according to claim 1 or 2 or 3, which is characterized in that described
One through-hole (11) is extended by the outer wall inward wall of the first mixing tube (1) along the conveying direction of concrete.
5. a kind of nozzle arrangements of gunite concrete according to claim 1, which is characterized in that second mixing
It is Taper Pipe to manage (2), and the diameter of second mixing tube (2) is tapered by the first mixing tube (1) to jet pipe (3) direction.
6. a kind of nozzle arrangements of gunite concrete according to claim 5, which is characterized in that second mixing
The inner wall for managing (2) is equipped with the protrusion (21) of helically line arrangement.
7. a kind of nozzle arrangements of gunite concrete according to claim 1, which is characterized in that the jet pipe (3)
It is socketed by screw thread with the second mixing tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648371.9A CN108554664A (en) | 2018-06-22 | 2018-06-22 | A kind of nozzle arrangements of gunite concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810648371.9A CN108554664A (en) | 2018-06-22 | 2018-06-22 | A kind of nozzle arrangements of gunite concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108554664A true CN108554664A (en) | 2018-09-21 |
Family
ID=63554148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810648371.9A Pending CN108554664A (en) | 2018-06-22 | 2018-06-22 | A kind of nozzle arrangements of gunite concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554664A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676054A (en) * | 2020-12-17 | 2021-04-20 | 青岛科技大学 | Vortex guide type supersonic flame spraying spray gun device |
| CN115350826A (en) * | 2022-08-22 | 2022-11-18 | 中国铁建重工集团股份有限公司 | Rotary spraying device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350803A (en) * | 1979-12-27 | 1982-09-21 | Liquid Control Incorporated | Reaction arrestment mixer head and mixing process |
| US4863643A (en) * | 1988-09-13 | 1989-09-05 | Cochran David W | Apparatus for dissolution of gas in liquid |
| KR20020074560A (en) * | 2001-03-20 | 2002-10-04 | 이종원 | Crossing grid fluid mixer |
| CN202742659U (en) * | 2012-09-11 | 2013-02-20 | 东营泰然塑业有限公司 | Perforated plate for PVC (polyvinyl chloride) extrusion |
| CN202926343U (en) * | 2012-12-10 | 2013-05-08 | 中铁岩锋成都科技有限公司 | Injection nozzle for injecting concrete |
| EP2915581A1 (en) * | 2014-03-06 | 2015-09-09 | Fluitec Invest AG | Static mixer |
| CN107013233A (en) * | 2017-06-16 | 2017-08-04 | 徐工集团工程机械有限公司 | Concrete spray head and concrete sprayer |
| CN208512834U (en) * | 2018-06-22 | 2019-02-19 | 衡阳泰源商砼有限公司 | A kind of nozzle arrangements of gunite concrete |
-
2018
- 2018-06-22 CN CN201810648371.9A patent/CN108554664A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350803A (en) * | 1979-12-27 | 1982-09-21 | Liquid Control Incorporated | Reaction arrestment mixer head and mixing process |
| US4863643A (en) * | 1988-09-13 | 1989-09-05 | Cochran David W | Apparatus for dissolution of gas in liquid |
| KR20020074560A (en) * | 2001-03-20 | 2002-10-04 | 이종원 | Crossing grid fluid mixer |
| CN202742659U (en) * | 2012-09-11 | 2013-02-20 | 东营泰然塑业有限公司 | Perforated plate for PVC (polyvinyl chloride) extrusion |
| CN202926343U (en) * | 2012-12-10 | 2013-05-08 | 中铁岩锋成都科技有限公司 | Injection nozzle for injecting concrete |
| EP2915581A1 (en) * | 2014-03-06 | 2015-09-09 | Fluitec Invest AG | Static mixer |
| CN107013233A (en) * | 2017-06-16 | 2017-08-04 | 徐工集团工程机械有限公司 | Concrete spray head and concrete sprayer |
| CN208512834U (en) * | 2018-06-22 | 2019-02-19 | 衡阳泰源商砼有限公司 | A kind of nozzle arrangements of gunite concrete |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676054A (en) * | 2020-12-17 | 2021-04-20 | 青岛科技大学 | Vortex guide type supersonic flame spraying spray gun device |
| CN115350826A (en) * | 2022-08-22 | 2022-11-18 | 中国铁建重工集团股份有限公司 | Rotary spraying device |
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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 |
Application publication date: 20180921 |