CN108341270A - A kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent - Google Patents

A kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent Download PDF

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Publication number
CN108341270A
CN108341270A CN201810097215.8A CN201810097215A CN108341270A CN 108341270 A CN108341270 A CN 108341270A CN 201810097215 A CN201810097215 A CN 201810097215A CN 108341270 A CN108341270 A CN 108341270A
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China
Prior art keywords
fluid bed
pipeline
curing agent
powder
transport path
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CN201810097215.8A
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CN108341270B (en
Inventor
周源
高玉峰
吴勇信
张飞
张宁
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Hohai University HHU
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Hohai University HHU
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • B65G53/16Gas pressure systems operating with fluidisation of the materials

Abstract

The present invention proposes a kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent.The fluid bed pipe-line system is by fluid bed pipeline, feed hopper, air circulation compressor set at being wherein divided into three independent channels inside fluid bed pipeline, there is inlet channel, media transport path, gas recovery approach.The fluid bed pipe-line system is used for soil body solidification construction in geotechnical engineering, mainly solve the problems, such as silty curing agent filling mix and stir during loading channel it is susceptible to plugging, utilize fluidized bed principle, appropriate air is blown into powder, so that the characteristic of liquid flowing is presented in powder, it is transported forward at a slant under Gravitative Loads, the workload of hand stock is reduced during mechanization is mixed and stirred, improve the uniformity and controllability mixed and stirred, silty curing agent can be accurately filled according to design requirement, improve mechanization degree and production efficiency.

Description

It is a kind of to be used for the dead weight fluid bed pipe-line system and its use that powder curing agent transports Method
Technical field
The present invention relates to a kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent, the streams Change bed pipe-line system for soil body solidification construction in geotechnical engineering, mainly solves to feed during the filling of silty curing agent is mixed and stirred logical The susceptible to plugging problem in road is blown into appropriate air into powder using fluidized bed principle so that the spy of liquid flowing is presented in powder Property, it is transported forward at a slant under Gravitative Loads, the workload of hand stock is reduced during mechanization is mixed and stirred, raising is mixed and stirred Uniformity and controllability, can accurately fill silty curing agent according to design requirement, improve mechanization degree and production efficiency. Belong to rock-reinforcing engineering, the technical fields such as bad soil solidification improvement engineering.
Background technology
In Rock And Soil reinforcing engineering, it usually needs undesirable foundation soil is mixed with curing additive and fills out again Paving, improves the bearing capacity and intensity of original foundation soil, also has many occasions by the Muddy Bottoms containing heavy metal or noxious material Soil is mixed with curing agent, and pollutant is locked in the soil body, stable combination is formed, and is used as banketing.Therefore in raw material During soil is mixed with curing agent, how to accurately control curing agent volume and uniformity becomes the key of construction, conventional solid Agent is typically the mixture of powdery, and in construction is mixed and stirred in mechanization, conveyance conduit would generally be blocked, and forms silty arch knot Structure so that curing agent can not be filled.The present invention is directed to this problem, it is proposed that it is a kind of for powder curing agent transport from density current Change bed pipe-line system and its application method.Fluidized bed principle refers among a large amount of solid particles are suspended in the fluid of movement, from And make particle that there are certain appearance features of fluid, mainly there are particulate fluidization state and two class of aggregative fluidization state.When fluid passes through bed When the speed of layer is gradually increased to certain value, particle loosens, and intergranular space increases, and bed volume expands.If again Fluid velocity is further increased, bed cannot maintain stationary state.At this point, particle is all suspended in fluid, phase is shown When irregular movement.With the raising of flow velocity, the movement of particle is further violent, and the expansion of bed also increases therewith, but Grain still remains in bed without being taken out of by fluid, as long as there is opening at this time, then fluid can be flowed out with particle, and strength fortune is presented Defeated state.The present invention exactly utilizes this principle, and 3 layers of chamber are arranged in curing agent conveying pipe, produce fluid bed Form, by the pumping of air circulation compressor, using the weight of powder itself, place's trickling from high to low, by silty particle to Preceding conveying.
Invention content
The present invention proposes a kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent, the stream Change bed pipe-line system by fluid bed pipeline, feed hopper, air circulation compressor set at being wherein divided into three inside fluid bed pipeline There are inlet channel, media transport path, gas recovery approach in independent channel.The fluid bed pipe-line system is used for geotechnical engineering Middle soil body solidification construction, mainly solves in construction is mixed and stirred in mechanization, and conveyance conduit would generally be blocked, and forms silty arch knot Structure so that curing agent, the susceptible to plugging problem of loading channel can not be filled.Using fluidized bed principle, appropriate sky is blown into powder Gas so that the characteristic of liquid flowing is presented in powder, is transported forward at a slant under Gravitative Loads, solves what machinery solidification was mixed and stirred Bottleneck problem improves construction efficiency and construction quality.
The solution of the present invention
The present invention proposes a kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent, whole Body structure includes 3 parts:1) fluid bed pipeline, 2) feed hopper, 3) air circulation compressor.
Wherein 1) fluid bed pipeline be both ends trepanning pipeline configuration, fluid bed pipeline is divided into 3 along pipe lengths Chamber, is inlet channel, media transport path, gas recovery approach respectively from the bottom to top, and inlet channel one end connection air follows The exhaust outlet of ring compressor, open at one end, inlet channel are provided with two manifolds every one section, and bending trepanning is in media transport path In, aperture is downward, and media transport path is located at the middle layer of fluid bed pipeline, and four wall of intracavitary is coated with teflon material, and front end connects Hopper is tapped into, gas recovery approach is located at topmost, and gas recovery approach and media transport path interface are silk screen filter layers, Curing materials are trapped in media transport path, excessive gas is drawn into air circulation compressor along gas recovery approach Air inlet, fluid bed pipeline front end connection air circulation compressor and feed hopper, end are provided with discharge port;
Wherein 2) feed hopper is funnel-shaped structure, and one end upward opening, one end connects the medium conveying in fluid bed pipeline Channel;
Wherein 3) air circulation compressor is the air compressor machine with air inlet and exhaust outlet, and air inlet connects fluid bed pipeline Gas recovery approach, exhaust outlet connect fluid bed pipeline inlet channel.
A kind of application method of the dead weight fluid bed pipe-line system transported for powder curing agent as previously described:
1), according to the composition proportion of mixed powder, the material of each component is subjected to dry mixing, the silty of dry mixing is mixing cured Material is added into feed hopper;
2), the air inlet of air circulation compressor is connected to the gas recovery approach of fluid bed pipeline, exhaust outlet connection flow Change the inlet channel of bed pipeline, feed hopper connects the media transport path in fluid bed pipeline;
3), start air circulation compressor, air is pumped into media transport path by inlet channel, it will be in pipeline Powder fluidisation, under Gravitative Loads, silty curing materials are gradually uniformly flowed out from discharge port.
Advantages of the present invention
The dead weight fluid bed pipe-line system that is transported for powder curing agent it is an object of the invention to propose a kind of and its make With method, the fluid bed pipe-line system is by fluid bed pipeline, feed hopper, air circulation compressor set at wherein fluid bed pipeline Inside is divided into three independent channels, there is inlet channel, media transport path, gas recovery approach.The fluid bed pipe-line system For soil body solidification construction in geotechnical engineering, mainly solve in construction is mixed and stirred in mechanization, conveyance conduit would generally be blocked, shape At silty arch structure so that curing agent, the susceptible to plugging problem of loading channel can not be filled.Using fluidized bed principle, into powder It is blown into appropriate air so that the characteristic of liquid flowing is presented in powder, is transported forward at a slant under Gravitative Loads, solves machinery Cure the bottleneck problem mixed and stirred, the workload of hand stock reduced during mechanization is mixed and stirred, improve the uniformity mixed and stirred and Controllability can accurately fill silty curing agent according to design requirement, improve mechanization degree and production efficiency.
Description of the drawings
Attached drawing 1 is overall structure diagram
Attached drawing 2 is fluid bed pipeline section schematic diagram
In figure:1) inlet channel, 2) media transport path, 3) gas recovery approach, 4) feed hopper, 5) air circulation compression Machine, 6) silk screen filter layer, 7) air inlet, 8) exhaust outlet, 9) discharge port.
Specific implementation mode:
The present invention proposes a kind of dead weight fluid bed pipe-line system and its application method transported for powder curing agent, whole Body structure includes 3 parts:Fluid bed pipeline, feed hopper, air circulation compressor.
Fluid bed pipeline in structure is the pipeline configuration of both ends trepanning, and fluid bed pipeline is divided into 3 along pipe lengths A chamber is inlet channel 1 respectively from the bottom to top), media transport path 2), gas recycling 3), the connection of inlet channel one end is empty Gas recycle compressor 5) exhaust outlet 8), open at one end, inlet channel 1) be provided with two manifolds every one section, be bent trepanning Jie Yu In matter transfer passage, aperture is downward, media transport path 2) it is located at the middle layer of fluid bed pipeline, four wall of intracavitary is coated with Teflon Material, front end connect feed hopper 4), gas recovery approach 3) be located at topmost, gas recovery approach 3) and media transport path 2) Interface is silk screen filter layer 6), curing materials are trapped in media transport path 2) in, excessive gas is along gas recovery approach 3) be drawn into air circulation compressor 5) air inlet 7), fluid bed pipeline front end connects air circulation compressor 5) and charging 4), end is provided with discharge port 9 to bucket);
Feed hopper 4 in structure) it is funnel-shaped structure, one end upward opening, one end connects the medium in fluid bed pipeline Transfer passage 2);
Air circulation compressor 5 in structure) be carry air inlet 7) and exhaust outlet 8) air compressor machine, air inlet 7) connect The gas recovery approach 3 of fluid bed pipeline), exhaust outlet 8) connection fluid bed pipeline inlet channel 1).
A kind of application method of the dead weight fluid bed pipe-line system transported for powder curing agent as previously described:
1), according to the composition proportion of mixed powder, the material of each component is subjected to dry mixing, the silty of dry mixing is mixing cured Material is added into feed hopper 4) in;
2), by air circulation compressor 5) air inlet 7) connection fluid bed pipeline gas recovery approach 3), exhaust outlet 8) connect fluid bed pipeline inlet channel 1), feed hopper 4) connection fluid bed pipeline in media transport path 2);
3), start air circulation compressor 5), pass through inlet channel 1) to media transport path 2) and in be pumped into air, will manage Powder fluidisation in road, under Gravitative Loads, silty curing materials are gradually from discharge port 9) uniformly outflow.

Claims (3)

1. a kind of dead weight fluid bed pipe-line system transported for powder curing agent, overall structure includes 3 parts:1) it fluidizes Bed pipeline, 2) feed hopper, 3) air circulation compressor, it is characterized in that:
1), the fluid bed pipeline is the pipeline configuration of both ends trepanning, and fluid bed pipeline is divided into 3 chambers along pipe lengths Room, is inlet channel, media transport path, gas recovery approach respectively from the bottom to top, and inlet channel one end connects air circulation The exhaust outlet of compressor, open at one end, inlet channel are provided with two manifolds every one section, and bending trepanning is in media transport path In, aperture is downward, and media transport path is located at the middle layer of fluid bed pipeline, and four wall of intracavitary is coated with teflon material, and front end connects Hopper is tapped into, gas recovery approach is located at topmost, and gas recovery approach and media transport path interface are silk screen filter layers, Curing materials are trapped in media transport path, excessive gas is drawn into air circulation compressor along gas recovery approach Air inlet, fluid bed pipeline front end connection air circulation compressor and feed hopper, end are provided with discharge port;
2), the feed hopper is funnel-shaped structure, and one end upward opening, it is logical that one end connects the medium conveying in fluid bed pipeline Road.
2. a kind of dead weight fluid bed pipe-line system transported for powder curing agent described in claim 1, it is characterized in that:It is described Air circulation compressor be the air compressor machine with air inlet and exhaust outlet, the gas recycling that air inlet connects fluid bed pipeline is logical Road, exhaust outlet connect the inlet channel of fluid bed pipeline.
3. based on a kind of user of the dead weight fluid bed pipe-line system transported for powder curing agent described in claim 1 Method:
1), according to the composition proportion of mixed powder, the material of each component is subjected to dry mixing, by the mixing cured material of the silty of dry mixing It is added in feed hopper;
2), the air inlet of air circulation compressor is connected to the gas recovery approach of fluid bed pipeline, exhaust outlet connects fluid bed The inlet channel of pipeline, feed hopper connect the media transport path in fluid bed pipeline;
3), start air circulation compressor, air is pumped into media transport path by inlet channel, by the powder in pipeline Fluidisation, under Gravitative Loads, silty curing materials are gradually uniformly flowed out from discharge port.
CN201810097215.8A 2018-01-31 2018-01-31 A kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent Active CN108341270B (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1993279A (en) * 2004-08-05 2007-07-04 艾尔坎技术及管理有限公司 Device and method for pneumatically conveying bulk materials in a dense flow method
CN102596769A (en) * 2009-11-09 2012-07-18 力拓艾尔坎国际有限公司 Potential fluidization device for conveying powder materials onto a hyperdense bed
CN202687492U (en) * 2012-07-25 2013-01-23 天瑞集团水泥有限公司 Air inclined pipe conveying device for powder
CN202784856U (en) * 2012-09-28 2013-03-13 长沙盛泓机械有限公司 Power air trough conveyor
CN203624578U (en) * 2013-12-05 2014-06-04 陕西科技大学 Power-assisted air conveying chute
CN203975950U (en) * 2014-06-30 2014-12-03 泰州市开发区源天机械设备有限公司 A kind of air flume multichannel gas transmission control setup
CN204324398U (en) * 2014-11-28 2015-05-13 天瑞集团水泥有限公司 A kind of used on cement production line air conveyer flume
CN105858226A (en) * 2016-05-27 2016-08-17 沈阳鑫博工业技术股份有限公司 Pneumatic conveying device and method for powder and granule materials
CN205838022U (en) * 2016-07-05 2016-12-28 浙江千尧环境工程有限公司 Double-jacket tube concentrated phase turbulent transportation system
CN106660717A (en) * 2014-09-16 2017-05-10 三菱日立电力系统株式会社 Powder transporting device and char recovering device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1993279A (en) * 2004-08-05 2007-07-04 艾尔坎技术及管理有限公司 Device and method for pneumatically conveying bulk materials in a dense flow method
CN102596769A (en) * 2009-11-09 2012-07-18 力拓艾尔坎国际有限公司 Potential fluidization device for conveying powder materials onto a hyperdense bed
CN202687492U (en) * 2012-07-25 2013-01-23 天瑞集团水泥有限公司 Air inclined pipe conveying device for powder
CN202784856U (en) * 2012-09-28 2013-03-13 长沙盛泓机械有限公司 Power air trough conveyor
CN203624578U (en) * 2013-12-05 2014-06-04 陕西科技大学 Power-assisted air conveying chute
CN203975950U (en) * 2014-06-30 2014-12-03 泰州市开发区源天机械设备有限公司 A kind of air flume multichannel gas transmission control setup
CN106660717A (en) * 2014-09-16 2017-05-10 三菱日立电力系统株式会社 Powder transporting device and char recovering device
CN204324398U (en) * 2014-11-28 2015-05-13 天瑞集团水泥有限公司 A kind of used on cement production line air conveyer flume
CN105858226A (en) * 2016-05-27 2016-08-17 沈阳鑫博工业技术股份有限公司 Pneumatic conveying device and method for powder and granule materials
CN205838022U (en) * 2016-07-05 2016-12-28 浙江千尧环境工程有限公司 Double-jacket tube concentrated phase turbulent transportation system

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