CN107225688A - A kind of light soil process units and its autocontrol method - Google Patents
A kind of light soil process units and its autocontrol method Download PDFInfo
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- CN107225688A CN107225688A CN201710604484.4A CN201710604484A CN107225688A CN 107225688 A CN107225688 A CN 107225688A CN 201710604484 A CN201710604484 A CN 201710604484A CN 107225688 A CN107225688 A CN 107225688A
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- light soil
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- 239000002689 soil Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000011083 cement mortar Substances 0.000 claims abstract description 41
- 239000004568 cement Substances 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 238000003823 mortar mixing Methods 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 10
- 239000006260 foam Substances 0.000 claims description 56
- 238000010790 dilution Methods 0.000 claims description 54
- 239000012895 dilution Substances 0.000 claims description 54
- 239000007788 liquid Substances 0.000 claims description 32
- 238000003860 storage Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000004088 foaming agent Substances 0.000 claims description 11
- 230000006837 decompression Effects 0.000 claims description 9
- 238000013022 venting Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000872 buffer Substances 0.000 claims description 5
- 238000005187 foaming Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 229920002472 Starch Polymers 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000002572 peristaltic effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011381 foam concrete Substances 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004260 weight control Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/1238—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices
- B28C5/1269—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers for materials flowing continuously through the mixing device and with incorporated feeding or discharging devices for making cellular concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
- B28C7/022—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component
- B28C7/024—Controlling the operation of the mixing by measuring the consistency or composition of the mixture, e.g. with supply of a missing component by measuring properties of the mixture, e.g. moisture, electrical resistivity, density
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of light soil process units, including cement mortar mixing device, cement slurry pumping device, foam-making apparatus, light soil blender, the discharging opening of the cement mortar mixing device is connected with the charging aperture of the cement slurry pumping device, the discharging opening of the cement slurry pumping device is connected by the first conveyance conduit with light soil blender, the discharging opening of the foam-making apparatus is connected by the second conveyance conduit with light soil blender, and the light soil blender is arranged at pouring construction place；The invention also discloses a kind of autocontrol method of light soil production.The present invention, which has, can provide light soil bubble, starch well mixed, the stable light soil process units of foamed system output flow.
Description
Technical field
The present invention relates to building machinery field, more specifically, it relates to a kind of light soil process units and its automatic control
Method processed.
Background technology
Light soil (foam concrete) is mechanically fully foamed by foamed system, and foam is equal with cement mortar
Even mixing, then carries out cast-in-place construction or mould molding by pumping system, and the one kind formed through natural curing contains largely
The novel light insulation material of sealed porosity.The dry volume density of light soil equivalent to the 1/5~1/8 of portland cement concrete,
Building overall load can be mitigated；The porous of light soil makes it have low modulus of elasticity, so that its impact loading has
There is good absorption and dispersion；Cast-in-place light soil water imbibition is small, and relatively independent closed air bubbles and good globality make
It has certain water resistance.
Foaming system, cement mortar mixing and conveying system, light soil hybrid system are done in existing light soil production special equipment
Pouring construction place is delivered into complete machine, then by mixed light soil remote conveying.
Cement mortar conveying pump output pressure is equal with foam maker output pressure, and the fan-out capability of light soil is by two
System co- controlling, the state-of-the-art foam maker forefront pressure of in the market is no more than 0.7MPa, and foam maker rear end is only
The maximum pressure that can be reached is 0.6MPa, and cement mortar delivery pump discharge pressure selects 1.2MPa, the conveying energy of light soil substantially
Power is by foamed system control.Because of the transfer of same building site gate spool, it is sometimes desirable to spray, working condition pressure can change at any time, cement
Slurry delivery pump uses displacement pump, and output pressure is determined by operating mode, can at any time be changed, not influenceed by operating mode, foam maker output
Pressure oscillation has hysteresis quality, easily causes cement mortar to enter foamed system, blocks pipeline, foam maker, pours the micro- of pressure
Become, the great change of foamed system flow can be caused, make foamed system very unstable.Because light soil is in conveyance conduit long distance delivery,
Pressure changes with pipeline, and foam and cement mortar have relative movement, friction, and light soil froth breaking is big, and bubble, slurry lamination are serious.
Also, often rule of thumb enter during the light soil of wet density needed for being produced using traditional light soil process units
Row regulation, error is big, takes long, is adjusted using automatically controlling, and wet density control is very unstable, and unit weight error is big.
The content of the invention
An object of the present invention is to provide that a kind of control of light soil unit weight is stable, production capacity is big, fed distance is remote, and lightweight
The well mixed light soil process units of Tu Pao, slurry, the second purpose is to provide a kind of autocontrol method of light soil production.
The present invention can be by taking following technical scheme to be achieved：
A kind of light soil process units, including it is cement mortar mixing device, cement slurry pumping device, foam-making apparatus, light
Matter soil blender, the discharging opening of the cement mortar mixing device is connected with the charging aperture of the cement slurry pumping device, the water
The discharging opening of mud pumping device is connected by the first conveyance conduit with light soil blender, the discharging of the foam-making apparatus
Mouth is connected by the second conveyance conduit with light soil blender, and the light soil blender is arranged at pouring construction place.
Preferably, first conveyance conduit, the maximum length of the second conveyance conduit are 1000 meters.
Preferably, the foam-making apparatus includes foam maker, compressed air generator, dilution automatic blending
Device, the discharging opening of compressed air generator and the dilution automatic recipe maker is connected with foam maker front end,
The rear end of the foam maker is connected with the second conveyance conduit.
Preferably, the dilution automatic recipe maker include one can external foaming agent storage tank and water source dilution storage
Tank.
Preferably, the discharging opening of the dilution liquid storage tank passes sequentially through a centrifugal multistage pump multiple centrifugal pump, dilution liquid flow metering, flow
Self-checking device is connected with foam maker front end.
Preferably, the compressed air generator includes an air compressor machine and the air reservoir being connected with air compressor machine, institute
The discharging opening for stating air reservoir passes sequentially through decompression venting valve, electric controling switch, pipeline buffer, air mass flow metering, stream
Amount self-checking device is connected with the front end of the foam maker.
Preferably, the cement slurry pumping device is a screw pump, and first conveyance conduit installs electromagnetic flowmeter.
Preferably, the light soil blender is duct type static mixer, and its bottom is provided with some universal wheels.
A kind of autocontrol method using a kind of above-mentioned light soil process units, comprises the following steps：
Step 1：Detection calculates cement slurry density in cement mortar mixing device, dilution in foam-making apparatus
Expansion ratio, dilution density；
Step 2：The cement mortar flow that detection cement slurry pumping device is exported；
Step 3：Dilution liquid flow is obtained according to the conversion of following relation：
Dilution liquid flow=[(cement slurry density-wet density)/(wet density-foam density)] * cement mortars flow/foaming times
Rate；
Step 4：Air mass flow is obtained according to the conversion of following relation：
Air mass flow=dilution liquid flow * (expansion ratio -1)；
Step 5：The dilution liquid flow and air mass flow of input light soil blender in foam-making apparatus are adjusted, makes its etc.
It is same as the numerical value obtained by step 3, step 4.
Compared with prior art, the beneficial effects of the invention are as follows：Light soil blender is arranged on pouring construction place,
The mixing of lightweight soil scene, cast, without long distance delivery, light soil have a froth breaking substantially, mixes evenly, and Air Bubble Size is also more
Uniformly, unit weight error is small；By setting the second conveyance conduit, the rear end pressure stability of foam maker is controlled so that pour at scene
To build the change of pressure will not cause foamed system unstable, it is to avoid cement mortar enters foamed system, block pipeline, foam and occur
Device；By setting pipeline buffer, the forefront pressure of control foam maker is stable so that foaming system is stable to be exported.
The autocontrol method produced using light soil, the wet appearance of light soil that can be determined according to light soil construction technology
The parameters such as weight, cement slurry density, expansion ratio, conversion draws the dilution liquid flow and air mass flow of foam-making apparatus.Pass through
Adjust dilution liquid flow, the air mass flow of front end, you can obtain required light soil wet density, convenient and swift, accuracy is high, control
Processing procedure degree is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of light soil process units of the present invention；
Fig. 2 is a kind of process chart of light soil process units of the present invention.
Description of reference numerals：
10- cement mortar mixing devices, 20- screw pumps, the conveyance conduits of 21- first, 30- foam-making apparatuses, 31- second is defeated
Send pipeline, 32- foam makers, 33- foaming agent storage tanks, 34- water sources, 35- dilution liquid storage tanks, the conveyance conduits of 36- the 3rd, 37-
4th conveyance conduit, 38- centrifugal multistage pump multiple centrifugal pumps, 39- air compressor machines, 40- air reservoirs, 41- decompression venting valves, 42- pipeline buffers,
50- light soil blenders.
Embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
It should be noted that when element is referred to as " connecting " another element, it can be directly to another yuan
Part may be simultaneously present centering elements；Term used in this specification " fixation ", " connection ", "front", "rear", " left side ",
" right side ", " top ", " bottom " and similar statement are for illustrative purposes only；Term "and/or" includes used in this specification
The arbitrary and all combination of one or more related Listed Items；The side of being intended merely to such as first, second used of the invention
Just number and set, and it is not intended that indicating or implying its relative importance or imply the technical characteristic indicated by indicating
Quantity, thus, at least one this feature can be expressed or implicitly include by defining first, second feature.
Electric wire, tracheae, belt etc. are eliminated in this specification accompanying drawing, depending on the actual conditions in embodiment.
The present invention proposes a kind of cement mortar blanking device.
As shown in Figure 1-2, a kind of light soil process units, including cement mortar mixing device 10, cement slurry pumping device, bubble
Foam generating means 30, light soil blender 50, the discharging opening of cement mortar mixing device 10 and the charging aperture of cement slurry pumping device
Connection, the discharging opening of cement slurry pumping device is connected by the first conveyance conduit 21 with light soil blender 50, and foam is filled
The discharging opening for putting 30 is connected by the second conveyance conduit 31 with light soil blender 50, and light soil blender 50 is arranged to pour and applied
Workshop.
Further, in the present embodiment, 50 duct type static mixers of light soil blender, cement slurry pumping device
For displacement pump, preferably screw pump 20；Cement mortar mixing device 10 includes cement mortar automatic batching system and stirring system.First
Conveyance conduit, the maximum length of the second conveyance conduit are 1000 meters, can be needed to be set according to construction, and the first conveyance conduit
On electromagnetic flowmeter is installed.
Specifically, foam-making apparatus 30 includes foam maker 32, compressed air generator, dilution automatic blending
The output end of device, compressed air generator and dilution automatic recipe maker is connected with the front end of foam maker 32, bubble
The rear end of foam generator 32 is connected with the second conveyance conduit 31.The front end of foam maker 32 is feeding end, and rear end is discharge end.
Further, dilution automatic recipe maker includes dilution liquid storage tank 35, the 3rd conveyance conduit 36, the 4th delivery pipe
Road 37, one end of the 3rd conveyance conduit 36 is used to connect foaming agent storage tank 33, and foaming agent passes through the 3rd conveyance conduit by peristaltic pump
36 are delivered to dilution liquid storage tank 35；One end of 4th conveyance conduit 37 is used to connect water source, and water is passed through by immersible pump or centrifugal pump
4th conveyance conduit 37 is delivered in dilution liquid storage tank 35.Flowmeter is installed on 4th conveyance conduit 37.Dilute liquid storage tank 35
Discharging opening connected with the front end of foam maker 32.The starting switch of peristaltic pump, immersible pump or centrifugal pump etc. is filled with a control
Put electric connection.As needed, toward water, the foaming agent of set amount is pumped into dilution liquid storage tank 35, mixed.
Foaming agent storage tank 33 can be fixedly installed with dilution liquid storage tank 35 by the 3rd conveyance conduit 36, can also be separated
Set.The foaming agent storage tank 33 is foaming agent bucket.
Compressed air generator includes an air compressor machine 39 and the air reservoir 40 being connected with air compressor machine 39, air reservoir
40 outlet is connected with the front end of foam maker 32.
Further, the discharging opening of dilution liquid storage tank 35 passes sequentially through a centrifugal multistage pump multiple centrifugal pump 38, dilution liquid flow metering, stream
Amount self-checking device is connected with the front end of foam maker 32, and flow and pressure are curved line relations, while after foam maker 32
End pressure is by working conditions change very little so that stability of flow control is easy to be realized.
Further, decompression venting valve 41, electric controling switch, pipeline buffering are passed sequentially through in the outlet of air reservoir 40
Device (not shown), air mass flow metering, automatic flow rate adjusting device are connected with the front end of foam maker 32.With pressure
Be input into or export, the pressure in air reservoir 40 can slowly be raised and lowered.Connect in the compressed air outlet of air reservoir 40
Decompression venting valve 41, decompression venting valve 41 is that steady pressure is unable to current stabilization amount, and pipeline air instability of flow, flow automatically adjusts dress
The air control valve put need to be automatically adjusted, and air control valve, which is automatically adjusted, makes the micro- change of pipeline pressure, makes the air of decompression venting valve 41
Flow great change, increases the unstable of foamed system on the contrary when regulating valve is automatically adjusted, so as to can make the operating mode of foam maker 32
Also it is unstable.The present invention has been followed by pipeline buffer in decompression venting valve 41, can make the instability of flow of decompression venting valve 41 not shadow
Loud rear end stability of flow, can stablize forefront pressure during regulating valve adjusting gas flow, so that whole system automatically controls phase
To easy.Preferably, it is connected in air reservoir 40 on the pipeline of the front end of foam maker 32 and is additionally provided with hand control valve, its
In, hand control valve is used to after defective valve is automatically adjusted, and carries out regulation control manually.
The bottom of light soil blender 50 is provided with some universal wheels so that it can as needed enter in pouring construction place
Row movement.
The present invention also provides a kind of autocontrol method using the light soil process units, according to cement mortar flow and sets
The wet density of fixed light soil is controlled to the air mass flow and dilution liquid flow of foam-making apparatus.
It is comprised the following steps that：
Step 1：Detection calculates cement slurry density in cement mortar mixing device, dilution in foam-making apparatus
Expansion ratio, dilution density；
Step 2：The cement mortar flow that detection cement slurry pumping device is exported；
Step 3：Dilution liquid flow is obtained according to the conversion of following relation：
Dilution liquid flow=[(cement slurry density-wet density)/(wet density-foam density)] * cement mortars flow/foaming times
Rate；
Step 4：Air mass flow is obtained according to the conversion of following relation：
Air mass flow=dilution liquid flow * (expansion ratio -1)；
Wherein, the expansion ratio of dilution, dilution density are determined by foaming agent performance and light soil construction technology.Water
Mud is made up of cement, flyash, water etc., cement slurry density=(cement weight+water weight+flyash weight)/[cement weight
Amount/cement density+water weight/water density+flyash weight/fine coal gray density].Cement slurry density can refer to according to different ratio
The formula is converted.
The derivation of equation in step 3,4 is as follows：
Wet density is 1 cube of light soil quality, and unit is Kg/m3；All materials flux unit is m3/ h, material density list
Position is Kg/m3, weight of material refers to the weight of 1 hour material in formula.
Formula is 1.：Wet density=(cement mortar weight+foam wt) ÷ light soil flows；
Formula is 2.：Light soil flow=cement mortar flow+foam flow；
1., 2. draw formula 3. by formula：
Wet density=(cement mortar weight+foam wt) ÷ (cement mortar flow+foam flow)；
Formula is 4.：Cement mortar weight=cement mortar flow × cement slurry density；
Formula is 5.：Foam wt=foam density × foam flow；
3., 4., 5. draw formula 6. by formula：
Foam flow=(cement slurry density-wet density) ÷ (wet density-foam density) × cement mortar flow；
Formula is 7.：Dilution liquid flow=foam flow ÷ expansion ratios；
By formula 6., 7. can obtain equation below one and formula two：
Formula one：Dilution liquid flow=[(cement slurry density-wet density) ÷ (wet density-foam density)] * cement mortar streams
Measure ÷ expansion ratios；
Formula two：Air mass flow=dilution liquid flow * (expansion ratio -1).
Wherein, it is dilution after foaming agent is mixed with water, dilution is with air by being generated after foam maker as bubble
Foam.Expansion ratio refers to the volume ratio of bubble population and dilution, and bubble population refers to the bubble colony that dilution is produced.
The autocontrol method is applied to the light soil process units of the foregoing description so that the light soil process units is certainly
Dynamic control, wherein, the wet density of light soil is input value, and cement mortar flow is detected value, and expansion ratio is input value, dilution
Density is input value, according to the automatic conversion of control device, you can dilution liquid flow and air mass flow needed for drawing, and this
Two flows can be controlled and monitor according to the control valve and flowmeter in corresponding pipeline.
In the present invention, the output pressure of cement slurry pumping device is not required to, lightweight equal with the output pressure of foam maker 32
The conveying capacity of soil is substantially by cement slurry pumping device control, and the discharge pressure of the cement slurry pumping device selects 1.2MPa,
Conveying capacity just has 1.2MPa, and cement mortar stability of flow is not changed by working condition pressure.The loss of foam discharge pressure is small, foam hair
The raw front end maximum pressure of device 32 can meet various operating modes from 0.6MPa or so.Because same building site gate spool transfer, need sometimes
Spray, working condition pressure can change at any time, cement slurry pumping device uses displacement pump, output pressure is determined by operating mode, can be at any time
Change, do not influenceed by operating mode.The pressure loss of the bubble population in the second conveyance conduit is small, simultaneously for micro- change of pouring pressure,
Second conveyance conduit plays pressure change cushioning effect, and the change of running gate system will not cause foamed system unstable, light soil
Foam pressure in blender 50 is micro- more than cement mortar mouthful pressure, and cement mortar will not enter the second conveyance conduit.Lightweight soil scene
Mixing, cast, without long distance delivery, light soil have a froth breaking substantially, mixes evenly, and Air Bubble Size is also evenly.And
The autocontrol method provided with reference to the present invention, is more than 15%, the present invention is provided compared to traditional handicraft light soil unit weight error
Light soil process units enable to the unit weight control errors of light soil within 5%.
With reference to preferred embodiment, invention has been described, but the invention is not limited in embodiment disclosed above,
And modification, equivalent combinations that the various essence according to the present invention are carried out should be covered.
Claims (9)
1. a kind of light soil process units, it is characterised in that including cement mortar mixing device, cement slurry pumping device, foam hair
Generating apparatus, light soil blender, the discharging opening of the cement mortar mixing device connect with the charging aperture of the cement slurry pumping device
Connect, the discharging opening of the cement slurry pumping device is connected by the first conveyance conduit with light soil blender, the foam occurs
The discharging opening of device is connected by the second conveyance conduit with light soil blender, and the light soil blender is arranged at pouring construction
Place.
2. a kind of light soil process units according to claim 1, it is characterised in that first conveyance conduit, second
The maximum length of conveyance conduit is 1000 meters.
3. a kind of light soil process units according to claim 1, it is characterised in that the foam-making apparatus includes bubble
Foam generator, compressed air generator, dilution automatic recipe maker, the compressed air generator and dilution are automatic
The discharging opening of proportioner is connected with foam maker front end, and the rear end of the foam maker connects with the second conveyance conduit
It is logical.
4. a kind of light soil process units according to claim 3, it is characterised in that the dilution automatic recipe maker
Including one can external foaming agent storage tank and water source dilution liquid storage tank.
5. a kind of light soil process units according to claim 3, it is characterised in that the discharging opening of the dilution liquid storage tank
Pass sequentially through a centrifugal multistage pump multiple centrifugal pump, dilution liquid flow metering, automatic flow rate adjusting device connects with foam maker front end.
6. a kind of light soil process units according to claim 3, it is characterised in that the compressed air generator bag
Include an air compressor machine and the air reservoir being connected with air compressor machine, the discharging opening of the air reservoir pass sequentially through decompression venting valve,
Electric controling switch, pipeline buffer, air mass flow metering, the front end of automatic flow rate adjusting device and the foam maker connect
It is logical.
7. a kind of light soil process units according to claim 1, it is characterised in that the cement slurry pumping device is one
Screw pump, first conveyance conduit installs electromagnetic flowmeter.
8. a kind of light soil process units according to any claim in claim 1-7, it is characterised in that described light
Matter soil blender is duct type static mixer, and its bottom is provided with some universal wheels.
9. a kind of a kind of side of automatically controlling of light soil process units in utilization claim 1-8 described in any claim
Method, it is characterised in that comprise the following steps：
Step 1：Detection or the foaming for calculating the cement slurry density in cement mortar mixing device, the dilution in foam-making apparatus
Multiplying power, dilution density；
Step 2：The cement mortar flow that detection cement slurry pumping device is exported；
Step 3：Dilution liquid flow is obtained according to the conversion of following relation：
Dilution liquid flow=[(cement slurry density-wet density)/(wet density-foam density)] * cement mortars flow/expansion ratio；
Step 4：Air mass flow is obtained according to the conversion of following relation：
Air mass flow=dilution liquid flow * (expansion ratio -1)；
Step 5：The dilution liquid flow and air mass flow of input light soil blender in foam-making apparatus are adjusted, is equal to it
Numerical value obtained by step 3, step 4.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539401A (en) * | 2019-09-11 | 2019-12-06 | 北京铁科特种工程技术有限公司 | Method for preparing foamed light soil for railway roadbed |
| CN110983892A (en) * | 2019-12-25 | 2020-04-10 | 广东冠新建设有限公司 | Foamed light soil and pouring construction process thereof |
| CN111257169A (en) * | 2020-03-06 | 2020-06-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Device for testing flow state of foam light soil in pumping pipeline |
| CN114311313A (en) * | 2021-12-30 | 2022-04-12 | 广东盛瑞科技股份有限公司 | High-efficient automatic production system of portable light soil |
| CN115157443A (en) * | 2022-06-20 | 2022-10-11 | 河海大学 | Device suitable for preparing water-based foam and mixing and stirring water-based foam and cement paste |
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| CN110983892A (en) * | 2019-12-25 | 2020-04-10 | 广东冠新建设有限公司 | Foamed light soil and pouring construction process thereof |
| CN111257169A (en) * | 2020-03-06 | 2020-06-09 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Device for testing flow state of foam light soil in pumping pipeline |
| CN114311313A (en) * | 2021-12-30 | 2022-04-12 | 广东盛瑞科技股份有限公司 | High-efficient automatic production system of portable light soil |
| CN114311313B (en) * | 2021-12-30 | 2023-09-29 | 广东盛瑞科技股份有限公司 | Movable high-efficiency automatic production system for light soil |
| CN115157443A (en) * | 2022-06-20 | 2022-10-11 | 河海大学 | Device suitable for preparing water-based foam and mixing and stirring water-based foam and cement paste |
| CN115157443B (en) * | 2022-06-20 | 2023-08-15 | 河海大学 | Device suitable for preparing water-based foam and mixing and stirring water-based foam and cement paste |
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