CN209440528U - A kind of concrete production process self compensating system automatically determined based on fine aggregate water content - Google Patents
A kind of concrete production process self compensating system automatically determined based on fine aggregate water content Download PDFInfo
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- CN209440528U CN209440528U CN201821557360.1U CN201821557360U CN209440528U CN 209440528 U CN209440528 U CN 209440528U CN 201821557360 U CN201821557360 U CN 201821557360U CN 209440528 U CN209440528 U CN 209440528U
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Abstract
The utility model provides a kind of concrete production process self compensating system automatically determined based on fine aggregate water content, the self compensating system includes fine aggregate major ingredient storehouse, weighing bucket arc door, Ground Penetrating Radar, fine aggregate conveyer belt, terminal control equipment, transmission line of information, fine aggregate sub-material storehouse, water storage feed bin, cement silo, mixing plant and concrete finished product Transporting equipment, Ground Penetrating Radar measures the relative dielectric constant of 1 fine aggregate every 10s, and the information of relative dielectric constant is transmitted back to terminal control equipment and is analyzed, the average moisture content V of terminal control equipment calculating concrete fine aggregatefa, according to average moisture content VfaConcrete actual used water amount m is calculatedwWith fine aggregate actual amount mf, it is extremely advantageous to the stability and saving time that improve concrete quality that the utility model, which is based on relative dielectric constant progress fine aggregate water content and automatically determines and compensated automatically concrete production process,.
Description
Technical field
The utility model relates to concrete production field, specifically a kind of coagulation automatically determined based on fine aggregate water content
Native production process self compensating system.
Background technique
In concrete actual production process, it is particularly significant that ingredient accurately is carried out according to the concrete mix of design.It is mixed
The performance of soil is coagulated other than depending on the factors such as cementitious material and additive, water-cement ratio is heavily dependent on, in practical life
Concrete water amount should be accurately controlled during production.And the water content of fine aggregate is to influence the key factor of water-binder ratio,
Therefore the water content for capableing of the real time measure concrete seems particularly important.It is with certain large-scale hydroelectric project C30 concrete mix
Example, table 1 is concrete mix.As can be seen that the dry moisture content small change of the saturation plane of fine aggregate can cause concrete list
The square biggish variation of water consumption.Such as the dry moisture content of fine aggregate saturation plane increases to 2.98% from 0.85%, the use of coordination in works
Water, which reduces, is up to 16kg/m3.If not changing concrete water amount in real time with the variation of fine aggregate water content, will lead to mixed
Solidifying soil working performance fluctuates, to influence the quality of concrete.
1 C30 concrete mix of table
In concrete actual production process, the concrete fine aggregate that batching plant (station) uses is often air storage,
The moisture content of aggregate generates biggish variation with the difference such as position, time, climatic season is stacked.It is particularly in big steaming
The area of hair amount and summer all weathers alternate season, the problem seem more prominent.At present in concrete actual production process
In, the moisture content of oven drying method, electric furnace fried dry method measurement concrete fine aggregate is generallyd use, but the above method takes a long time, together
When be difficult to carry out the real time measure to the moisture content of aggregate.
Utility model content
The purpose of this utility model is to provide a kind of concrete production processes automatically determined based on fine aggregate water content
Self compensating system carries out the real time measure to the batching plant concrete fine aggregate moisture content in actual production process of (standing), will survey
The data feedback obtained is into system, to compensated automatically concrete water amount.This is to the stabilization for improving concrete quality
Property and save the time be extremely advantageous.
The technical solution of the utility model includes:
A kind of concrete production process self compensating system automatically determined based on fine aggregate water content, including fine aggregate master
Feed bin, weighing bucket arc door, Ground Penetrating Radar, fine aggregate conveyer belt, terminal control equipment, transmission line of information, fine aggregate sub-material storehouse, water storage
Feed bin, cement silo, mixing plant and concrete finished product Transporting equipment,
The weighing bucket arc door to control blanking rate is provided at the outlet at bottom in fine aggregate major ingredient storehouse；
The Ground Penetrating Radar to carry out measurement of water-content coefficient to fine aggregate is provided with below the weighing bucket arc door；
Fine aggregate conveyer belt is provided with below fine aggregate major ingredient storehouse, the fine aggregate conveyer belt contains will pass through
The fine aggregate of water rate measurement is transported to fine aggregate sub-material storehouse；
The Ground Penetrating Radar is connected to terminal control equipment by transmission line of information, to the thin bone for measuring Ground Penetrating Radar
The relative dielectric constant of material is uploaded to terminal control equipment；
The terminal control equipment also passes through transmission line of information and is connected to fine aggregate sub-material storehouse, water storage feed bin and cement material
Relative dielectric constant control fine aggregate sub-material storehouse, water storage feed bin and the cement material of storehouse and the fine aggregate measured according to Ground Penetrating Radar
The blanking dosage in storehouse；
The lower section in fine aggregate sub-material storehouse, water storage feed bin and cement silo is arranged in the mixing plant, to receive its throwing
The material put simultaneously carries out material stirring according to setting time；
The concrete finished product Transporting equipment receives the concrete being stirred and transports concrete.
The Ground Penetrating Radar includes being installed therein the radar host computer of the heart and being mounted on outside the radar of radar host computer surrounding
Shell, the radar shell include that the front-end case for facilitating radar wave to penetrate of Ground Penetrating Radar transmitting terminal is arranged in and is arranged at it
The shielding shell of his side, the radar host computer carry out relative dielectric constant measurement simultaneously to fine aggregate by 1.5GHz high-frequency wire
Information is transferred to terminal control equipment by transmission line of information.
It is equipped in fine aggregate sub-material storehouse, water storage feed bin and cement silo and is transmitted with terminal control equipment by information
The control valve of line communication connection.
The mixing plant is connected to terminal control equipment also by transmission line of information.
The front-end case uses polymethyl methacrylate plate, and the shielding shell uses steel plate.
Compared with prior art, the utility model has the beneficial effects that Ground Penetrating Radar can measure the phase of aggregate
To dielectric constant, the relative dielectric constant and aggregate moisture content of aggregate have good functional dependence, are based on coagulation
The relative dielectric constant of native aggregate can accurately measure the moisture content of aggregate, time-consuming shorter, can be to aggregate
Moisture content carry out the real time measure, by terminal control equipment to fine aggregate sub-material storehouse, water storage feed bin, cement silo discharge quantity
It is adjusted correspondingly, to compensated automatically concrete water amount.This is to the stability and section for improving concrete quality
It is extremely advantageous for making an appointment.
Detailed description of the invention
Fig. 1 is the utility model concrete production process self compensating system schematic diagram；
Fig. 2 is the utility model Ground Penetrating Radar structural schematic diagram；
Fig. 3 is the utility model calculating method and oven drying method moisture content contrast schematic diagram.
Figure label respectively indicates, 1- fine aggregate major ingredient storehouse, 2- weighing bucket arc door, 3- Ground Penetrating Radar, 4- fine aggregate conveyer belt,
5- terminal control equipment, 6- transmission line of information, 7- fine aggregate sub-material storehouse, 8- water storage feed bin, 9- cement silo, 10- mixing plant,
11- concrete finished product Transporting equipment, 3-1- front-end case, 3-2- shield shell, 3-3- radar host computer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 and Fig. 2 are please referred to, the utility model provides a kind of technical solution:
A kind of concrete production process self compensating system automatically determined based on fine aggregate water content, including fine aggregate master
Feed bin 1, weighing bucket arc door 2, Ground Penetrating Radar 3, fine aggregate conveyer belt 4, terminal control equipment 5, transmission line of information 6, fine aggregate sub-material
Storehouse 7, water storage feed bin 8, cement silo 9, mixing plant 10 and concrete finished product Transporting equipment 11,
The weighing bucket arc door 2 to control blanking rate is provided at the outlet at bottom in fine aggregate major ingredient storehouse 1；
The lower section of the weighing bucket arc door 2 is provided with the Ground Penetrating Radar 3 to carry out measurement of water-content coefficient to fine aggregate；
The lower section in fine aggregate major ingredient storehouse 1 is provided with fine aggregate conveyer belt 4, and the fine aggregate conveyer belt 4 is to will be through
The fine aggregate for crossing measurement of water-content coefficient is transported to fine aggregate sub-material storehouse 7；
The Ground Penetrating Radar 3 is connected to terminal control equipment 5 by transmission line of information 6, to measure Ground Penetrating Radar 3
The relative dielectric constant of fine aggregate is uploaded to terminal control equipment 5；
The terminal control equipment 5 is also connected to fine aggregate sub-material storehouse 7, water storage feed bin 8 and water by transmission line of information 6
The relative dielectric constant of pug storehouse 9 and the fine aggregate measured according to Ground Penetrating Radar 3 control fine aggregate sub-material storehouse 7, water storage feed bin 8 with
And the blanking dosage of cement silo 9；
The lower section in fine aggregate sub-material storehouse 7, water storage feed bin 8 and cement silo 9 is arranged in the mixing plant 10, to receive
Its material launched simultaneously carries out material stirring according to setting time；
The concrete finished product Transporting equipment 11 receives the concrete being stirred and transports concrete.
The Ground Penetrating Radar 3 is including being installed therein the radar host computer 3-3 of the heart and being mounted on the thunder of radar host computer surrounding
Up to shell, the radar shell include be arranged in Ground Penetrating Radar transmitting terminal the front-end case 3-1 for facilitating radar wave to penetrate and
Shielding the shell 3-2, the radar host computer 3-3 that other sides are arranged in carry out relatively fine aggregate by 1.5GHz high-frequency wire
Information is simultaneously transferred to terminal control equipment 5 by transmission line of information 6 by dielectric constant measurement.The front-end case 3-1 is using poly-
Methyl methacrylate plate, the shielding shell 3-2 use steel plate, can either carry out shielding and can increase Ground Penetrating Radar 3
Mechanical strength.
It is equipped in fine aggregate sub-material storehouse 7, water storage feed bin 8 and cement silo 9 and passes through information with terminal control equipment 5
The control valve that transmission line 6 communicates to connect.
The mixing plant 10 is connected to terminal control equipment 5 also by transmission line of information 6.
The terminal control equipment 5 can be computer.
Dielectric constant reflects the fundamental characteristics of medium, is very important parameter, it with material composition, it is structure, close
The factors such as degree are related.The dielectric constant of concrete gravel aggregate is generally 6.And water is polar molecule, to radar electromagnetic wave
Spread speed and energy attenuation all have a great impact, relative dielectric constant is 81 or so.The relative dielectric constant of air
It is 1 or so.Therefore the content that maximum factor is water is influenced on concrete fine aggregate relative dielectric constant.With the increasing of water content
Greatly, the relative dielectric constant of fine aggregate rapidly increases, this is provided for the moisture content that Ground Penetrating Radar measures concrete fine aggregate
Theoretical basis.
A kind of concrete production process automatic compensating method automatically determined based on fine aggregate water content, including in detail below
Step,
1) when aggregate passes through the door blanking of weighing bucket arc from fine aggregate major ingredient storehouse, Ground Penetrating Radar measures 1 fine aggregate every 10s
Relative dielectric constant, and the information of relative dielectric constant is transmitted back to terminal control equipment and is analyzed；
2) terminal control equipment is by the permittivity ε of the fine aggregate measured each timen, it is calculated according to formula (1) and (2)
Fine aggregate water content Vfn, the average moisture content V of the fine aggregate major ingredient storehouse concrete fine aggregate is acquired according to formula (3)fa；
Wherein, Ω is about relative dielectric constant ε, dielectric constant with temperature variation coefficient αεWith environment temperature T variation
Function, b are fine aggregate dielectric constant experiential modification coefficient, value 0.774, αεIt is dielectric constant with variation of ambient temperature system
Number, value are -0.290/ DEG C, and n is pendulous frequency, n=1,2,3 ...；
3) terminal control equipment is by the average moisture content V of the fine aggregate major ingredient storehouse concrete fine aggregatefaAfter calculating, lead to
It crosses following formula and concrete actual used water amount m is calculatedwWith fine aggregate actual amount mf, and the information is fed back into fine aggregate sub-material
Storehouse and water storage feed bin control the discharge quantity of concrete fine aggregate and water, to realize the accurate control to concrete raw material blanking
System；
ΔmW=mof*Vfa (4)
mw=mow-ΔmW (5)
mf=mof-ΔmW (6)
Wherein, Δ mWFor concrete water amount correcting value, mofFor concrete fine aggregate predetermined amount, mowFor concrete water amount
Predetermined amount.
Using 1-1 theory match ratio in table 1 as test match ratio, measured using method provided by the utility model mixed
Solidifying soil fine aggregate dielectric constant and the moisture content of calculating are shown in Table 2.In order to verify the practicability of the utility model, surveyed using oven drying method
The fine aggregate water content obtained is also found in table 2.Fig. 3 is shown in the moisture content comparison that two methods are surveyed.
Concrete raw material actual amount is shown in Table 3.
2 relative dielectric constant of table and moisture content
3 C30 concrete mix (actual amount) of table
A kind of concrete production process self compensating system automatically determined based on fine aggregate water content of the utility model
And method, it is extremely advantageous to the stability and saving time that improve concrete quality.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of concrete production process self compensating system automatically determined based on fine aggregate water content, it is characterised in that: packet
Include fine aggregate major ingredient storehouse, weighing bucket arc door, Ground Penetrating Radar, fine aggregate conveyer belt, terminal control equipment, transmission line of information, fine aggregate
Sub-material storehouse, water storage feed bin, cement silo, mixing plant and concrete finished product Transporting equipment,
The weighing bucket arc door to control blanking rate is provided at the outlet at bottom in fine aggregate major ingredient storehouse；
The Ground Penetrating Radar to carry out measurement of water-content coefficient to fine aggregate is provided with below the weighing bucket arc door；
Fine aggregate conveyer belt is provided with below fine aggregate major ingredient storehouse, the fine aggregate conveyer belt will be will pass through moisture content
The fine aggregate of measurement is transported to fine aggregate sub-material storehouse；
The Ground Penetrating Radar is connected to terminal control equipment by transmission line of information, to the fine aggregate that measures Ground Penetrating Radar
Relative dielectric constant is uploaded to terminal control equipment；
The terminal control equipment also passes through transmission line of information and is connected to fine aggregate sub-material storehouse, water storage feed bin and cement silo simultaneously
The relative dielectric constant of the fine aggregate measured according to Ground Penetrating Radar controls fine aggregate sub-material storehouse, water storage feed bin and cement silo
Blanking dosage；
The lower section in fine aggregate sub-material storehouse, water storage feed bin and cement silo is arranged in the mixing plant, to receive its dispensing
Material simultaneously carries out material stirring according to setting time；
The concrete finished product Transporting equipment receives the concrete being stirred and transports concrete.
2. a kind of concrete production process automatically determined based on fine aggregate water content according to claim 1 is compensated automatically
System, it is characterised in that: the Ground Penetrating Radar includes being installed therein the radar host computer of the heart and being mounted on radar host computer surrounding
Radar shell, the radar shell include be arranged in Ground Penetrating Radar transmitting terminal the front-end case for facilitating radar wave to penetrate and
The shielding shell of other sides is set, and the radar host computer is normal to the opposite dielectric of fine aggregate progress by 1.5GHz high-frequency wire
Number measures and information is transferred to terminal control equipment by transmission line of information.
3. a kind of concrete production process automatically determined based on fine aggregate water content according to claim 1 is compensated automatically
System, it is characterised in that: be equipped in fine aggregate sub-material storehouse, water storage feed bin and cement silo and pass through with terminal control equipment
The control valve of transmission line of information communication connection.
4. a kind of concrete production process automatically determined based on fine aggregate water content according to claim 1 is compensated automatically
System, it is characterised in that: the mixing plant is connected to terminal control equipment also by transmission line of information.
5. a kind of concrete production process automatically determined based on fine aggregate water content according to claim 2 is compensated automatically
System, it is characterised in that: the front-end case uses polymethyl methacrylate plate, and the shielding shell uses steel plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821557360.1U CN209440528U (en) | 2018-09-25 | 2018-09-25 | A kind of concrete production process self compensating system automatically determined based on fine aggregate water content |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203246A (en) * | 2018-09-25 | 2019-01-15 | 长江水利委员会长江科学院 | A kind of concrete production process self compensating system automatically determined based on fine aggregate water content and method |
| CN112130595A (en) * | 2020-09-23 | 2020-12-25 | 四川鼎德商品混凝土有限公司 | Control method and system for mixing ratio of concrete raw materials and storage medium |
-
2018
- 2018-09-25 CN CN201821557360.1U patent/CN209440528U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203246A (en) * | 2018-09-25 | 2019-01-15 | 长江水利委员会长江科学院 | A kind of concrete production process self compensating system automatically determined based on fine aggregate water content and method |
| CN109203246B (en) * | 2018-09-25 | 2024-05-24 | 长江水利委员会长江科学院 | Automatic compensation system and method for concrete production process based on automatic determination of water content of fine aggregate |
| CN112130595A (en) * | 2020-09-23 | 2020-12-25 | 四川鼎德商品混凝土有限公司 | Control method and system for mixing ratio of concrete raw materials and storage medium |
| CN112130595B (en) * | 2020-09-23 | 2022-09-20 | 四川鼎德商品混凝土有限公司 | Control method and system for mixing ratio of concrete raw materials and storage medium |
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