CN104977230B - A kind of pilot system for mining gunite concrete long distance delivery - Google Patents
A kind of pilot system for mining gunite concrete long distance delivery Download PDFInfo
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- CN104977230B CN104977230B CN201510379430.3A CN201510379430A CN104977230B CN 104977230 B CN104977230 B CN 104977230B CN 201510379430 A CN201510379430 A CN 201510379430A CN 104977230 B CN104977230 B CN 104977230B
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Abstract
The invention discloses a kind of pilot system for mining gunite concrete long distance delivery, it includes injection equipment, injection equipment is connected with a conveying device, wherein, conveying device includes the first pipeline being connected on injection equipment, first pipeline is connected by the first tilted tube with a transition conduit, the transition conduit other end is connected by the second tilted tube with the second pipeline, the second pipeline other end can be connected with injection equipment, Transport Law of the concrete that the loop is used to observe different ratio in conveying device；Second pipeline flowing has an injection line, and the above-mentioned second pipeline other end can also be connected with injection line.The characteristics of motion of material and different material are equipped with the most long fed distance than that can reach in research different length conveyance conduit, different material proportioning, different jet lengths, different spray angles, the jeting effect of different spray regimes are studied, further optimizes spray technology.
Description
Technical field
The present invention relates to a kind of pilot system for mining gunite concrete long distance delivery.
Background technology
The use of gunite concrete is the innovation of the law of tunnel concrete support side.Mining gunite concrete is with its operating speed
It hurry up, the advantages that labor intensity is small, production efficiency is high, be largely used in underworkings supporting, can both make horizontal and tilt short
Distance transport, ensure the Security and feasibility of the long distance delivery of material again.Concrete performance not only meets intensity and durable
It is required that also to meet requirement of the pipeline to concrete flowability, that is, require that gunite concrete has preferable pumpability.
Gunite concrete concrete technology sets to shaft and drift supporting in the popularization and application in mine and brings very big help, but
Still with the presence of a series of problem, the performance of gunite concrete advantage is have impact on to a certain extent.These problems mainly include：
The impact that gunite concrete equipment is subject in easy blockage phenomenon, pumping procedure in concrete delivery service it is excessive and
Pipe bent position easily abrasion etc..How to realize that colliery gunite concrete concrete long efficiently conveys apart from pipe safety is current mine
Problem urgently to be resolved hurrily in concrete spraying support engineering, studies that the Pipeline Flow Characteristics of concrete are particularly significant, and concrete is mixed
The flow regime of concrete-conveying through tubes can all be influenceed by closing different-grain diameter, different mixture ratio, heterogeneity and the different operating modes of material
And rheological behavior, material impact all is formed to gunite concrete.
The content of the invention
It is provided by the invention a kind of for mining gunite concrete long distance delivery in view of above-mentioned the deficiencies in the prior art
Pilot system, to study the moving law and jet law of spraying of material in the duct, line clogging, abrasion are placed so as to obtain
Method and optimal nozzle parameter.
In order to solve the above technical problems, the present invention program includes：
A kind of pilot system for mining gunite concrete long distance delivery, it includes injection equipment, injection equipment with
One conveying device is connected, wherein, conveying device includes the first pipeline being connected on injection equipment, is provided with the first pipeline
Flowmeter, the first pipeline are connected by the first tilted tube with a transition conduit, and the transition conduit other end passes through the second tilted tube
It is connected with the second pipeline, the second pipeline other end can be connected with injection equipment, make the first pipeline, the first tilted tube, mistake
Cross pipe, the second tilted tube and the second pipeline and form loop, the concrete that the loop is used to observe different ratio is in conveying device
In Transport Law；Second pipeline flowing has an injection line, and the above-mentioned second pipeline other end can also be connected with injection line,
The second pipeline is set to form the ejection end for gunite concrete with injection line.
Described pilot system, wherein, above-mentioned first pipeline, the first tilted tube, transition conduit, the second tilted tube,
Multiple pressure transmitters are arranged with two pipelines, pressure transmitter is connected by data wire with a data collecting instrument；The
The loop configuration that one pipeline, the first tilted tube, transition conduit, the second tilted tube and the second pipeline are formed has two standby pipes,
Standby pipe one end is connected with injection equipment, and the other end is connected with corresponding pipeline, above-mentioned loop is formed two contrast loops.
Described pilot system, wherein, above-mentioned first tilted tube is identical with the angle of inclination of the second tilted tube, with
Horizontal line is in 20 ° -35 ° of angle.
Described pilot system, wherein, above-mentioned injection equipment includes quantitative hopper, and quantitative hopper passes through feeder and injection
Machine is connected, and spraying machine is used to be connected with the first pipeline, the second pipeline.
Described pilot system, wherein, the quantitative hopper of cement, the sand that above-mentioned quantitative hopper includes being arranged in juxtaposition quantitatively are expected
Bucket and the quantitative hopper of stone.
Described pilot system, wherein, above-mentioned first pipeline, the first tilted tube, transition conduit, the second tilted tube and
Two pipelines are fixed by support of pipelines, and support of pipelines includes base, and twist-type telescopic bar, twist-type telescopic are provided with base
Bar upper end is provided with conduit saddle.
Described pilot system, wherein, a shower nozzle is provided with above-mentioned injection line, shower nozzle is relative with a simulation tunnel
Should, shower nozzle is connected with an accelerator adding set.
Described pilot system, wherein, above-mentioned simulation tunnel includes simulation stalk and simulation lane top, simulation stalk and simulation
Lane top liner is disposed with anchor net, and outer lining is the high steel plate of roughness, and simulation stalk is fixed with simulation lane top by support frame.
Described pilot system, wherein, above-mentioned pressure transmitter is fixed on corresponding pipeline by corresponding base, base
On be provided with through hole, internal thread is set in through hole, and pressure transmitter is spirally connected by through hole and base.
Described pilot system, wherein, above-mentioned first pipeline, the first tilted tube, transition conduit, the second tilted tube and
The tie point of two pipelines uses transparent connecting tube.
A kind of pilot system for mining gunite concrete long distance delivery provided by the invention, make the first pipeline,
One tilted tube, transition conduit, the second tilted tube and the second pipeline form loop using being arranged symmetrically, and can also make the first pipe
Road, the first tilted tube, transition conduit, the second tilted tube and the second pipeline form the delivery pipeline system of different length, research
The characteristics of motion of material and different material are equipped with the most long fed distance than that can reach in different length conveyance conduit；Can be with
The first loop system can be split as the contrast loop of left and right two from centre using two backup lines of centre, as pipeline
The contrast experiment of additive addition is conveyed, i.e., adds additive in the material conveying in one contrast loop, another contrast loop
Material conveying in do not add additive；Also can be carried out according to experiment demand selection certain length delivery pipe connection injection pipe
Concrete ejection is tested, research different material proportioning, the injection of different jet lengths, different spray angles, different spray regimes
Effect, further optimize spray technology.
Brief description of the drawings
Fig. 1 is the structural representation of pilot system in the present invention；
Fig. 2 is the structural representation of support of pipelines in the present invention；
Fig. 3 is the structural representation of tilted tube in the present invention；
Fig. 4 is the structural representation of each bend pipe tie point in the present invention；
Fig. 5 is the arrangement schematic diagram of pressure transmitter in the present invention.
Embodiment
The invention provides a kind of pilot system for mining gunite concrete long distance delivery, to make the mesh of the present invention
, technical scheme and effect it is clearer, clear and definite, the present invention is described in more detail below.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of pilot system for mining gunite concrete long distance delivery, as shown in Figure 1, Figure 2, Fig. 3,
Shown in Fig. 4 and Fig. 5, it includes injection equipment, and injection equipment is connected with a conveying device, wherein, conveying device includes connecting
The first pipeline 1 being connected on injection equipment, flowmeter 25 is provided with the first pipeline 1, the second pipeline 5, the first pipeline 1 passes through
First tilted tube 2 is connected with a transition conduit 3, and the other end of transition conduit 3 is connected by the second tilted tube 4 with the second pipeline 5
Connect, the other end of the second pipeline 5 can be connected with injection equipment, the first pipeline 1, the first tilted tube 2, transition conduit 3, second is inclined
The pipeline 5 of inclined tube road 4 and second forms loop, conveying rule of the concrete that the loop is used to observe different ratio in conveying device
Rule；Second pipeline 5 is configured with an injection line 6, and the above-mentioned other end of second pipeline 5 can also be connected with injection line 6, make second
Pipeline 5 forms the ejection end for gunite concrete with injection line 6.The present invention is set to complete to study different length delivery pipe
The characteristics of motion of material and different material are equipped with than the experiment for the most long fed distance that can reach in road, can also complete research not
Same material proportion, different jet lengths, different spray angles, different spray regimes jeting effect experiment.
Further, above-mentioned first pipeline 1, the first tilted tube 2, transition conduit 3, the second tilted tube 4, the second pipeline
Multiple pressure transmitters 7 are arranged with 5, pressure transmitter 7 is connected with a data collecting instrument 9 by data wire 8, passed through
Data collecting instrument 9 obtains relevant parameter, carries out subsequent analysis；First pipeline 1, the first tilted tube 2, transition conduit 3, second tilt
The loop configuration that the pipeline 5 of pipeline 4 and second is formed has two standby pipes 10, and standby one end of pipe 10 is connected with injection equipment, separately
One end is connected with corresponding pipeline, above-mentioned loop is formed two contrast loops, the contrast as the addition of pipeline additive
Experiment, i.e., additive is added in the one material conveying contrasted in loop, is not added in material conveying in another contrast loop
Add additive.
Further, as shown in Figure 3, the angle of inclination phase of above-mentioned first tilted tube 2 and the second tilted tube 3
Together, it is in 20 ° -35 ° of angle with horizontal line.
Further, above-mentioned injection equipment includes quantitative hopper, and quantitative hopper passes through feeder 11 and the phase of spraying machine 12
Connection, spraying machine 12 are used to be connected with the first pipeline 1, the second pipeline 5.The cement that above-mentioned quantitative hopper includes being arranged in juxtaposition is determined
The quantitative hopper 14 of measuring bin 13, sand and the quantitative hopper 15 of stone.
And above-mentioned first pipeline 1, the first tilted tube 2, transition conduit 3, the second tilted tube 4 and the second pipeline 5 are logical
Piping support 26 is fixed, as shown in Figure 2, support of pipelines 26 includes base 16, and twist-type telescopic bar is provided with base 16
17, the upper end of twist-type telescopic bar 17 is provided with conduit saddle 18, and corresponding pipeline is fixed by conduit saddle 18.
Further, a shower nozzle 19 is provided with above-mentioned injection line, shower nozzle 19 is corresponding with a simulation tunnel, shower nozzle
19 are connected with an accelerator adding set 20.Above-mentioned simulation tunnel includes simulation stalk 21 and simulation lane top 22, simulates stalk
21 push up 22 liners with simulation lane is disposed with anchor net, and outer lining is the high steel plate of roughness, and simulation stalk 21 passes through with simulation lane top 22
Support frame 23 is fixed.And as shown in Figure 5, pressure transmitter 7 is fixed on corresponding pipeline by corresponding base 24, base
Through hole is provided with 24, internal thread is set in through hole, pressure transmitter 7 is spirally connected by through hole and base.Above-mentioned first pipeline 1,
First tilted tube 2, transition conduit 3, the tie point of the second tilted tube 4 and the second pipeline 5 use transparent connecting tube, transparent company
Adapter is typically made of materials such as high intensity lucite.By the bend pipe and regulation support of pipelines of changing different curvature radius
Height, with reference to data collecting instrument, studying the conveying of different elevations and bend pipe on material influences, and is observed by transparent connecting tube
The analysis material movement law of material movement state, more visual pattern.
Its more specifically, first using the first pipeline 1, the first tilted tube 2, transition conduit 3, the second tilted tube 4
The loop formed with the second pipeline 5, study the characteristics of motion of material and different material in different length conveyance conduit and be equipped with and compare institute
The most long fed distance that can reach, and observe material blocked in pipeline, wear law.Then formed by two standby pipes 10
Two contrast pipelines, additive is added in the material conveying in a contrast loop, in the material conveying in another contrast loop not
Additive is added, studies the heterogeneity of different ratio material.Also and the second pipeline 5 and injection line 6 are formed for spraying
The ejection end of concrete is penetrated, the gunite concrete into simulation tunnel, progress concrete ejection experiment, research different material proportioning,
Different jet lengths, different spray angles, the jeting effect of different spray regimes, further optimize nozzle parameter.Certainly having
Demand changes the bend pipe of different curvature radius during the experiment of body, and is thickeied in the outer tube side of bend pipe, improves pipeline intensity, together
When can change the first pipeline 1, the first tilted tube 2, transition conduit 3, the second tilted tube 4, second pipeline 5, standby pipe 10
Length.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should
When explanation, any those skilled in the art are all equivalent substitutes for being made, bright under the teaching of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (10)
1. a kind of pilot system for mining gunite concrete long distance delivery, it includes injection equipment, injection equipment and one
Conveying device is connected, it is characterised in that conveying device includes the first pipeline being connected on injection equipment, is set on the first pipeline
Flowmeter is equipped with, the first pipeline is connected by the first tilted tube with a transition conduit, and the transition conduit other end tilts by second
Pipeline is connected with the second pipeline, and the second pipeline other end can be connected with injection equipment, makes the first pipeline, the first tipping tube
Road, transition conduit, the second tilted tube and the second pipeline form loop, and the concrete that the loop is used to observe different ratio is conveying
Transport Law in device；Second pipeline flowing has an injection line, and the above-mentioned second pipeline other end also can be with injection line phase
Connection, the second pipeline is set to form the ejection end for gunite concrete with injection line.
2. pilot system according to claim 1, it is characterised in that above-mentioned first pipeline, the first tilted tube, transition
Multiple pressure transmitters are arranged with pipe, the second tilted tube, the second pipeline, pressure transmitter is counted by data wire and one
It is connected according to Acquisition Instrument；The loop that first pipeline, the first tilted tube, transition conduit, the second tilted tube and the second pipeline are formed
Two standby pipes are configured with, standby pipe one end is connected with injection equipment, and the other end is connected with corresponding pipeline, the first endless tube
System is split as the contrast loop of left and right two from centre, above-mentioned loop is formed two contrast loops.
3. pilot system according to claim 1, it is characterised in that above-mentioned first tilted tube and the second tilted tube
Angle of inclination is identical, is in 20 ° -35 ° of angle with horizontal line.
4. pilot system according to claim 1, it is characterised in that above-mentioned injection equipment includes quantitative hopper, quantitative material
Bucket is connected by feeder with spraying machine, and spraying machine is used to be connected with the first pipeline, the second pipeline.
5. pilot system according to claim 4, it is characterised in that the cement that above-mentioned quantitative hopper includes being arranged in juxtaposition is determined
The quantitative hopper of measuring bin, sand and the quantitative hopper of stone.
6. pilot system according to claim 1, it is characterised in that above-mentioned first pipeline, the first tilted tube, transition
Pipe, the second tilted tube are fixed with the second pipeline by support of pipelines, and support of pipelines includes base, and spiral is provided with base
Formula expansion link, twist-type telescopic bar upper end are provided with conduit saddle.
7. pilot system according to claim 1 a, it is characterised in that shower nozzle, shower nozzle are provided with above-mentioned injection line
Corresponding with a simulation tunnel, shower nozzle is connected with an accelerator adding set.
8. pilot system according to claim 7, it is characterised in that above-mentioned simulation tunnel includes simulation stalk and simulation lane
Top, simulation stalk are disposed with anchor net with simulation lane top liner, and outer lining is the high steel plate of roughness, and simulation stalk and simulation lane top are logical
Support frame is crossed to fix.
9. pilot system according to claim 2, it is characterised in that above-mentioned pressure transmitter is fixed by corresponding base
On corresponding pipeline, through hole is provided with base, internal thread is set in through hole, pressure transmitter is spirally connected by through hole and base.
10. pilot system according to claim 1, it is characterised in that above-mentioned first pipeline, the first tilted tube, transition
The tie point of pipe, the second tilted tube and the second pipeline uses transparent connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510379430.3A CN104977230B (en) | 2015-07-02 | 2015-07-02 | A kind of pilot system for mining gunite concrete long distance delivery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510379430.3A CN104977230B (en) | 2015-07-02 | 2015-07-02 | A kind of pilot system for mining gunite concrete long distance delivery |
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| CN104977230A CN104977230A (en) | 2015-10-14 |
| CN104977230B true CN104977230B (en) | 2017-11-24 |
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Citations (8)
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|---|---|---|---|---|
| SU514221A2 (en) * | 1974-09-23 | 1976-05-15 | Специальное Конструкторское Бюро Центракадемстроя Ан Ссср | Device for modeling mudflow movement |
| CN2032537U (en) * | 1987-09-23 | 1989-02-15 | 徐州煤矿采掘机械厂 | Wet concrete injector |
| US4900154A (en) * | 1987-09-24 | 1990-02-13 | Ingrid Hudelmaier | Concrete mixer having means for determining the consistency of concrete mixing therein |
| WO2005066607A1 (en) * | 2003-12-19 | 2005-07-21 | W. R. Grace & Co.-Conn | Rheomixer device |
| CN101008601A (en) * | 2007-02-02 | 2007-08-01 | 中北大学 | Rheological property tester |
| CN201417202Y (en) * | 2009-06-04 | 2010-03-03 | 高等教育出版社 | Flow control experiment equipment |
| CN104047615A (en) * | 2014-05-26 | 2014-09-17 | 山东威特立邦矿山设备有限公司 | Concrete wet shotcreting equipment for roadway |
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2015
- 2015-07-02 CN CN201510379430.3A patent/CN104977230B/en active Active
Patent Citations (8)
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|---|---|---|---|---|
| SU514221A2 (en) * | 1974-09-23 | 1976-05-15 | Специальное Конструкторское Бюро Центракадемстроя Ан Ссср | Device for modeling mudflow movement |
| CN2032537U (en) * | 1987-09-23 | 1989-02-15 | 徐州煤矿采掘机械厂 | Wet concrete injector |
| US4900154A (en) * | 1987-09-24 | 1990-02-13 | Ingrid Hudelmaier | Concrete mixer having means for determining the consistency of concrete mixing therein |
| WO2005066607A1 (en) * | 2003-12-19 | 2005-07-21 | W. R. Grace & Co.-Conn | Rheomixer device |
| CN101008601A (en) * | 2007-02-02 | 2007-08-01 | 中北大学 | Rheological property tester |
| CN201417202Y (en) * | 2009-06-04 | 2010-03-03 | 高等教育出版社 | Flow control experiment equipment |
| CN104047615A (en) * | 2014-05-26 | 2014-09-17 | 山东威特立邦矿山设备有限公司 | Concrete wet shotcreting equipment for roadway |
| CN204086262U (en) * | 2014-07-08 | 2015-01-07 | 中交一公局厦门工程有限公司 | A kind of test unit of simulating for sprayed concrete and slip casting |
Non-Patent Citations (1)
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| 湿喷混凝土及泵送特性研究;张明;《探矿工程》;19991231;第223-225页 * |
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