CN108341270B - A kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent - Google Patents
A kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent Download PDFInfo
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- CN108341270B CN108341270B CN201810097215.8A CN201810097215A CN108341270B CN 108341270 B CN108341270 B CN 108341270B CN 201810097215 A CN201810097215 A CN 201810097215A CN 108341270 B CN108341270 B CN 108341270B
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- fluidized bed
- pipeline
- transport path
- curing agent
- media transport
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/16—Gas pressure systems operating with fluidisation of the materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention proposes a kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent.The fluidized bed pipe-line system is by fluidized bed pipeline, feed hopper, air circulation compressor set at being wherein divided into three independent channels inside fluidized bed pipeline, there is inlet channel, media transport path, gas recovery approach.The fluidized bed pipe-line system is 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
Technical field
The present invention relates to a kind of self weight fluidized 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 technique
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 accurately to control curing agent volume and uniformity becomes the key of construction, conventional solid
Agent is usually the mixture of powdery, is mixed and stirred in construction in mechanization, and 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, propose 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, which refers to, is suspended in a large amount of solid particles among 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 with it, but
Grain still remains in bed without being taken out of by fluid, as long as there is opening at this time, 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 fluidized 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.
Summary of the invention
The present invention proposes a kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent, the stream
Change bed pipe-line system by fluidized bed pipeline, feed hopper, air circulation compressor set at being wherein divided into three inside fluidized bed pipeline
There are inlet channel, media transport path, gas recovery approach in independent channel.The fluidized bed pipe-line system is used for geotechnical engineering
Middle soil body solidification construction, mainly solves to mix and stir in construction in mechanization, and conveyance conduit would generally be blocked, and forms silty arch knot
Structure, so that curing agent can not be filled, the susceptible to plugging problem of loading channel.Using fluidized bed principle, appropriate sky is blown into powder
Gas transports forward under Gravitative Loads at a slant so that the characteristic of liquid flowing is presented in powder, solves mechanical solidify and mixes and stirs
Bottleneck problem improves construction efficiency and construction quality.
Solution of the invention
The present invention proposes a kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent, whole
Body structure includes 3 parts: fluidized bed pipeline, feed hopper, air circulation compressor.
Wherein fluidized bed pipeline is the pipeline configuration of both ends aperture, and fluidized 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, are bent aperture in media transport path
In, aperture is downward, and media transport path is located at the middle layer of fluidized bed pipeline, and intracavitary four wall 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, fluidized bed pipeline front end connection air circulation compressor and feed hopper, end are provided with discharge port；
Wherein feed hopper is funnel-shaped structure, and one end upward opening, it is logical that one end connects the medium conveying in fluidized bed pipeline
Road；
Wherein air circulation compressor is the air compressor machine with air inlet and exhaust outlet, and air inlet connects fluidized bed pipeline
Gas recovery approach, exhaust outlet connect the inlet channel of fluidized bed pipeline.
A kind of application method of self weight fluidized 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), by the gas recovery approach of the air inlet connection fluidized bed pipeline of air circulation compressor, exhaust outlet connection flow
Change the inlet channel of bed pipeline, feed hopper connects the media transport path in fluidized 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
It is an object of the invention to propose a kind of self weight fluidized bed pipe-line system transported for powder curing agent and its make
With method, the fluidized bed pipe-line system is by fluidized bed pipeline, feed hopper, air circulation compressor set at wherein fluidized bed pipeline
Inside is divided into three independent channels, there is inlet channel, media transport path, gas recovery approach.The fluidized bed pipe-line system
For soil body solidification construction in geotechnical engineering, mainly solve to mix and stir in construction in mechanization, conveyance conduit would generally be blocked, shape
At silty arch structure, so that curing agent can not be filled, the susceptible to plugging problem of loading channel.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
Solidify 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.
Detailed description of the invention
Attached drawing 1 is overall structure diagram
Attached drawing 2 is fluidized bed pipeline section schematic diagram
In figure: (1) inlet channel, (2) media transport path, (3) gas recovery approach, (4) feed hopper, (5) air follow
Ring compressor, (6) silk screen filter layer, (7) air inlet, (8) exhaust outlet, (9) discharge port.
Specific embodiment:
The present invention proposes a kind of self weight fluidized bed pipe-line system and its application method transported for powder curing agent, whole
Body structure includes 3 parts: fluidized bed pipeline, feed hopper, air circulation compressor.
Fluidized bed pipeline in structure is the pipeline configuration of both ends aperture, and fluidized bed pipeline is divided into 3 along pipe lengths
A chamber, is inlet channel 1, media transport path 2, gas recycling 3 respectively from the bottom to top, and inlet channel one end connection air follows
The exhaust outlet 8 of ring compressor 5, open at one end, inlet channel 1 are provided with two manifolds every one section, and bending aperture is conveyed in medium
In channel, aperture is downward, and media transport path 2 is located at the middle layer of fluidized bed pipeline, and intracavitary four wall is coated with teflon material, preceding
End connection feed hopper 4, gas recovery approach 3 are located at topmost, and gas recovery approach 3 and 2 interface of media transport path are silks
Curing materials are trapped in media transport path 2 by net filtration layer 6, and excessive gas is drawn into air along gas recovery approach 3
The air inlet 7 of recycle compressor 5, fluidized bed pipeline front end connection air circulation compressor 5 and feed hopper 4, end are provided with discharging
Mouth 9；
Feed hopper 4 in structure is funnel-shaped structure, one end upward opening, and the medium that one end connects in fluidized bed pipeline is defeated
Send channel 2；
Air circulation compressor 5 in structure is the air compressor machine with air inlet 7 and exhaust outlet 8, the connection fluidisation of air inlet 7
The gas recovery approach 3 of bed pipeline, exhaust outlet 8 connect the inlet channel 1 of fluidized bed pipeline.
A kind of application method of self weight fluidized 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；
2), the air inlet 7 of air circulation compressor 5 is connected to the gas recovery approach 3 of fluidized bed pipeline, exhaust outlet 8 connects
The inlet channel 1 of fluidized bed pipeline is connect, feed hopper 4 connects the media transport path 2 in fluidized bed pipeline；
3), start air circulation compressor 5, air is pumped into media transport path 2 by inlet channel 1, by pipeline
Interior powder fluidisation, under Gravitative Loads, silty curing materials are gradually uniformly flowed out from discharge port 9.
Claims (3)
1. a kind of self weight fluidized bed pipe-line system transported for powder curing agent, overall structure includes 3 parts: fluidized bed
Pipeline, feed hopper, air circulation compressor, it is characterized in that:
The fluidized bed pipeline is the pipeline configuration of both ends aperture, and fluidized bed pipeline is divided into 3 chambers along pipe lengths,
It is inlet channel, media transport path, gas recovery approach respectively from the bottom to top, inlet channel one end connects air circulation compression
The exhaust outlet of machine, open at one end, inlet channel are provided with two manifolds every one section, are bent aperture in media transport path, hole
Downwards, media transport path is located at the middle layer of fluidized bed pipeline to mouth, and intracavitary four wall is coated with teflon material, front end connection charging
Bucket, gas recovery approach are located at topmost, and gas recovery approach and media transport path interface are silk screen filter layers, will be solidified
Material is trapped in media transport path, and excessive gas is drawn into the air inlet of air circulation compressor along gas recovery approach
Mouthful, fluidized bed pipeline front end connection air circulation compressor and feed hopper, end are provided with discharge port；
The feed hopper is funnel-shaped structure, and one end upward opening, one end connects the media transport path in fluidized bed pipeline.
2. a kind of self weight fluidized bed pipe-line system transported for powder curing agent according to claim 1, it is characterized in that:
The air circulation compressor is the air compressor machine with air inlet and exhaust outlet, and the gas that air inlet connects fluidized bed pipeline returns
Channel is received, exhaust outlet connects the inlet channel of fluidized bed pipeline.
3. based on a kind of user of the self weight fluidized 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), by the gas recovery approach of the air inlet connection fluidized bed pipeline of air circulation compressor, exhaust outlet connects fluidized bed
The inlet channel of pipeline, feed hopper connect the media transport path in fluidized 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.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810097215.8A CN108341270B (en) | 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 |
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| CN201810097215.8A CN108341270B (en) | 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 |
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| CN108341270A CN108341270A (en) | 2018-07-31 |
| CN108341270B true CN108341270B (en) | 2019-11-22 |
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| CN110529842A (en) * | 2019-09-24 | 2019-12-03 | 北京长峰金鼎科技有限公司 | A kind of feeding device and method of fluidized bed |
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| 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 |
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| CN108341270A (en) | 2018-07-31 |
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