CN108638338A - Bridge pier is poured matches concrete production system and preparation process with multistage - Google Patents
Bridge pier is poured matches concrete production system and preparation process with multistage Download PDFInfo
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- CN108638338A CN108638338A CN201810855347.2A CN201810855347A CN108638338A CN 108638338 A CN108638338 A CN 108638338A CN 201810855347 A CN201810855347 A CN 201810855347A CN 108638338 A CN108638338 A CN 108638338A
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- Prior art keywords
- aggregate
- conveyer belt
- sand material
- grain size
- sand
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- 239000004567 concrete Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 100
- 239000004576 sand Substances 0.000 claims description 88
- 238000000034 method Methods 0.000 claims description 17
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000010881 fly ash Substances 0.000 claims description 11
- 230000000996 additive effect Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 230000008961 swelling Effects 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 210000000988 bone and bone Anatomy 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012216 screening Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000004574 high-performance concrete Substances 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- B28C9/02—General arrangement or layout of plant for producing mixtures of clay or cement with other materials
-
- 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
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
-
- 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
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
- B28C7/067—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of stationary hoppers, chambers or bins from which the material is fed gravitationally, e.g. having agitating means therein
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Road Paving Machines (AREA)
Abstract
It is poured the present invention provides bridge pier and matches concrete production system and preparation process with multistage, the feed opening of aggregate lower hopper is connected by the first aggregate conveyer belt with the second aggregate conveyer belt, it is provided with aggregate vibratory blanking machine immediately below the second aggregate conveyer belt, the feed opening of the aggregate vibratory blanking machine is connected by third aggregate conveyer belt with the first rotary screen, and the discharge port of first rotary screen is respectively arranged with small particle aggregate conveyer belt, middle grain size aggregate conveyer belt and large-particle-size aggregate conveyer belt；The end of one grading conveyer belt is connected with level-one material-compound tank, and the end of graduation two conveyer belt is connected with graduation two batch can, and the end of graduation three conveyer belt is connected with three-level material-compound tank, and the end of four grading conveyer belts is connected with level Four material-compound tank；5th aggregate conveyer belt is connected with facilities of mix storied building；Other raw material mixing systems are communicated at the top of the facilities of mix storied building.This concrete production system can be used in bridge pier and pour with the production of concrete preparation, and then reach best effect, the final quality for ensureing poured bridge pier.
Description
Technical field
The present invention relates to concrete processing production equipment fields, are poured more particularly to bridge pier and match concrete production with multistage
System and preparation process.
Background technology
For in large-scale bridge construction process, main supporting body of the bridge pier as bed rearrangement bridge, structural strength is related to
The quality of bed rearrangement bridge and service life, therefore, bridge pier are high to the various aspects of performance requirement of its concrete in casting process, and one
Aspect needs to ensure to need coarse aggregate in concrete material, and coarse aggregate needs are matched using multistage；On the other hand it also needs
Will be in sand material, and the content of sand material is also required to strictly control；In addition it is also necessary to cement, flyash, water-reducing agent, swelling agent etc.
Other types of additive, since the concreting amount of Large Bridge Pier is larger, and there is presently no dedicated for above-mentioned coagulation
Production system prepared by soil, can only redesign the production system prepared suitable for above-mentioned concrete.
Invention content
In order to solve the above technical problems, the present invention provides bridge pier and pours matches concrete production system and preparation work with multistage
Skill, this concrete production system can be used in bridge pier and pour with the production of concrete preparation, and then reach best effect,
The final quality for ensureing poured bridge pier.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this：Bridge pier is poured matches coagulation with multistage
Native production system, it includes aggregate lower hopper, and the feed opening of the aggregate lower hopper passes through the first aggregate conveyer belt and the second bone
Expect that conveyer belt is connected, aggregate vibratory blanking machine, the aggregate Vibrated baiting are provided with immediately below the second aggregate conveyer belt
The feed opening of machine is connected by third aggregate conveyer belt with the first rotary screen, and the discharge port of first rotary screen is respectively arranged with
Small particle aggregate conveyer belt, middle grain size aggregate conveyer belt and large-particle-size aggregate conveyer belt；The discharge port of middle grain size aggregate conveyer belt
It is connected with second tin roller sieve, large-particle-size aggregate conveyer belt is connected with third rotary screen；The discharge port difference of the second tin roller sieve
It is provided with scrap web, a grading conveyer belt and graduation two conveyer belt；The discharge port of the third rotary screen is respectively arranged with
Regrading aggregate conveyer belt, graduation three conveyer belt and four grading conveyer belts；The end of the one grading conveyer belt and a grading
Batch can is connected, and the end of the graduation two conveyer belt is connected with graduation two batch can, the end of the graduation three conveyer belt and three-level
Material-compound tank is connected, and the end of the four gradings conveyer belt is connected with level Four material-compound tank；Pass through the 4th in the feed opening of four batch cans
Aggregate conveyer belt is connected with the 5th aggregate conveyer belt, and the 5th aggregate conveyer belt is connected with facilities of mix storied building；The top of the facilities of mix storied building
Portion is communicated with other raw material mixing systems.
The underface for platform of unloading in aggregate is arranged in the aggregate lower hopper, and unloading in aggregate, to carry aggregate on platform defeated
Send vehicle.
The mud discharge port of the small particle aggregate conveyer belt is connected with precipitation process pond；The end of the scrap web
It is connected with waste material slag muck with the first scrap web and the second scrap web；The dry aggregate of the small particle aggregate conveyer belt goes out
Material mouth is connected with the second scrap web.
The end of the regrading aggregate conveyer belt is connected with middle grain size aggregate conveyer belt.
Other raw material mixing systems include sand material lower hopper and additive feed proportioning system；The sand material lower hopper passes through
First sand material conveyer belt is connected with storage sand batch can, and the feed opening of the storage sand batch can passes through the second sand material conveyer belt, third sand material
Conveyer belt and the 4th sand material conveyer belt are connected with facilities of mix storied building.
The additive feed proportioning system includes cementing tank, swelling agent tank, water-reducing agent tank and flyash silo, the discharging of four tanks
Mouth is all connected with facilities of mix storied building.
The underface for platform of unloading in sand material is arranged in the sand material lower hopper, sand material unload platform bearer have sand material conveying
Vehicle.
It is provided with trucd mixer immediately below the discharge port of the facilities of mix storied building.
The technique that multistage prepares concrete with concrete production system, it is characterised in that it includes the following steps：
Coarse aggregate preparation process：
G-1：Coarse aggregate is transported to by aggregate lower hopper on the first aggregate conveyer belt；
G-2：Coarse aggregate on first aggregate conveyer belt will be fallen on aggregate vibratory blanking machine；
G-3：Aggregate after aggregate vibratory blanking machine blanking falls on third aggregate conveyer belt；
G-4：Aggregate enters the first rotary screen, and wherein aggregate of the grain size between 40 ~ 150 will go into large-particle-size aggregate conveying
Band；
G-5：Aggregate of the grain size between 5 ~ 40 will go into middle grain size aggregate conveyer belt, and aggregate of the grain size less than 5 will go into
Small particle aggregate conveyer belt, and enter eventually into precipitation process pond；The material of middle grain size aggregate conveyer belt will go into the second rolling
Shaft screen；
G-6：Aggregate of the third rotary screen by grain size less than 40 is recycled and is transported on middle grain size aggregate conveyer belt；
G-7：The material of large-particle-size aggregate conveyer belt will go into third rotary screen, object of the third rotary screen by grain size 80 ~ 150
Material is transported to four grading conveyer belts, and is finally stored in level Four material-compound tank；
G-8：Grain size is transported to graduation three conveyer belt by third rotary screen in 40 ~ 80 material, and is finally stored in three-level
In material-compound tank；
G-9：Grain size is transported to graduation two conveyer belt by second tin roller sieve in 20 ~ 40 material, and is finally stored in two level
In material-compound tank；
G-10：Grain size is transported to a grading conveyer belt by second tin roller sieve in 5 ~ 20 material, and is finally stored in level-one
In material-compound tank；
G-11：According to match ratio, the aggregate in level-one material-compound tank, graduation two batch can, three-level material-compound tank and level Four material-compound tank is led to
It crosses the 4th aggregate conveyer belt and is transported to facilities of mix storied building；
Other feed preparation process processes：
T-1：Sand material is transported to by sand material lower hopper on the first sand material conveyer belt, and is stored in inside storage sand batch can；
T-2：The sand material stored up inside sand batch can is required down to expect on the second sand material conveyer belt according to match ratio；
T-3：Sand material on second sand material conveyer belt is transported on third sand material conveyer belt；
T-4：Sand material on third sand material conveyer belt is transported to facilities of mix storied building；
T-5：According to match ratio, respectively by the cement of corresponding amount, swelling agent, water-reducing agent and flyash from cementing tank, swelling agent tank,
It is added to inside facilities of mix storied building in water-reducing agent tank, flyash silo；
T-6：Aggregate, sand material and additive after cooperation is stirred mixing inside facilities of mix storied building, ultimately forms concrete,
And construction site is transported to by trucd mixer.
The method have the advantages that：
1, by the multistage of above structure with concrete production system can be used in coarse aggregate multi-stage screening handle, and then by its
It is divided into four gradings, in carrying out concrete preparation process, match ratio as needed adds the graded aggregate of corresponding amount, then adds
Add other additives of corresponding amount that can realize the preparation of the high performance concrete poured for bridge pier, ensures the matter of bridge pier
Amount.
2, by other raw material mixing systems of above structure, easily other raw materials can be adjusted according to demand
With use, and then ensure best match ratio requirement, finally ensures that bridge pier reaches best mass effect.
3, above-mentioned production system technical process is simple, and production efficiency is high, can quickly adjust as needed, and then meets
Different use demands.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the present invention.
In figure：Aggregate waggon 1, aggregate lower hopper 2, the first aggregate conveyer belt 3, the second aggregate conveyer belt 4, aggregate vibration
Blanking machine 5, third aggregate conveyer belt 6, the first rotary screen 7, small particle aggregate conveyer belt 8, middle grain size aggregate conveyer belt 9, big grain
Diameter aggregate conveyer belt 10, precipitation process pond 11, second tin roller sieve 12, third rotary screen 13, scrap web 14, the first waste material are defeated
Send band 15, the second scrap web 16, waste material slag muck 17, regrading aggregate conveyer belt 18, graduation two conveyer belt 19, graduation three
Conveyer belt 20, four grading conveyer belts 21, a grading conveyer belt 22, graduation two batch can 23, three-level material-compound tank 24, level Four material-compound tank
25, the 4th aggregate conveyer belt 26, sand material conveyor 27, sand material lower hopper 28, the first sand material conveyer belt 29, storage sand batch can 30, the
Two sand material conveyer belts 31, third sand material conveyer belt 32, cementing tank 33, swelling agent tank 34, water-reducing agent tank 35, flyash silo 36,
Five aggregate conveyer belts 37, the 4th sand material conveyer belt 38, facilities of mix storied building 39, trucd mixer 40, level-one material-compound tank 41.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Embodiment 1：
Referring to Fig. 1, bridge pier is poured matches concrete production system with multistage, it includes aggregate lower hopper 2, the aggregate lower hopper 2
Feed opening be connected with the second aggregate conveyer belt 4 by the first aggregate conveyer belt 3, the underface of the second aggregate conveyer belt 4
It is provided with aggregate vibratory blanking machine 5, the feed opening of the aggregate vibratory blanking machine 5 is rolled by third aggregate conveyer belt 6 and first
Shaft screen 7 is connected, and the discharge port of first rotary screen 7 is respectively arranged with small particle aggregate conveyer belt 8, middle grain size aggregate conveyer belt
9 and large-particle-size aggregate conveyer belt 10；The discharge port of middle grain size aggregate conveyer belt 9 is connected with second tin roller sieve 12, large-particle-size aggregate
Conveyer belt 10 is connected with third rotary screen 13；The discharge port of the second tin roller sieve 12 is respectively arranged with scrap web 14, one
Grading conveyer belt 22 and graduation two conveyer belt 19；It is defeated that the discharge port of the third rotary screen 13 is respectively arranged with regrading aggregate
Send band 18, graduation three conveyer belt 20 and four grading conveyer belts 21；The end of the one grading conveyer belt 22 and level-one material-compound tank 41
It is connected, the end of the graduation two conveyer belt 19 is connected with graduation two batch can 23, the end and three of the graduation three conveyer belt 20
Grading batch can 24 is connected, and the end of the four gradings conveyer belt 21 is connected with level Four material-compound tank 25；In the feed opening of four batch cans
It is connected with the 5th aggregate conveyer belt 37 by the 4th aggregate conveyer belt 26, the 5th aggregate conveyer belt 37 and 39 phase of facilities of mix storied building
Even；The top of the facilities of mix storied building 39 is communicated with other raw material mixing systems.Match concrete production system by the multistage of above structure
System can be used in the multi-stage screening processing of coarse aggregate, and then be classified as four gradings, in carrying out concrete preparation process, according to
The match ratio needed, adds the graded aggregate of corresponding amount, then adds other additives of corresponding amount and can realize for bridge pier
The preparation of the high performance concrete poured ensures the quality of bridge pier.
Further, the underface for platform of unloading in aggregate is arranged in the aggregate lower hopper 2, unloads in aggregate and holds on platform
It is loaded with aggregate waggon 1.It can be used in the conveying of coarse aggregate by aggregate waggon 1.
Further, the mud discharge port of the small particle aggregate conveyer belt 8 is connected with precipitation process pond 11；The waste material
The end of conveyer belt 14 is connected with the first scrap web 15 and the second scrap web 16 with waste material slag muck 17；The small particle
The dry aggregate discharge port of aggregate conveyer belt 8 is connected with the second scrap web 16.Pass through 11 energy of precipitation process pond of above structure
It is enough that thinner aggregate is handled, play the purpose of environmental protection.
Further, the end of the regrading aggregate conveyer belt 18 is connected with middle grain size aggregate conveyer belt 9.By upper
The structure stated easily can carry out regrading to the aggregate after screening, and then ensure that screening efficiency.
Further, other raw material mixing systems include sand material lower hopper 28 and additive feed proportioning system；The sand
Material lower hopper 28 is connected by the first sand material conveyer belt 29 with storage sand batch can 30, and the feed opening of the storage sand batch can 30 passes through second
Sand material conveyer belt 31, third sand material conveyer belt 32 and the 4th sand material conveyer belt 38 are connected with facilities of mix storied building 39.By using above-mentioned
Other raw material mixing systems can provide a system to corresponding sand and other auxiliary materials, and then ensure best match ratio.
Further, the additive feed proportioning system includes cementing tank 33, swelling agent tank 34, water-reducing agent tank 35 and flyash
The discharge port of tank 36, four tanks is all connected with facilities of mix storied building 39.It can be easily to different types of original by above-mentioned multiple tanks
Material is stored, and then facilitates the preparation of follow-up concrete.
Further, the underface for platform of unloading in sand material is arranged in the sand material lower hopper 28, is held in sand material platform of unloading
It is loaded with sand material conveyor 27.Easily sand material can be conveyed by the sand material conveyor 27, and then meet sand material
Use need.
Further, it is provided with trucd mixer 40 immediately below the discharge port of the facilities of mix storied building 39.Pass through the trucd mixer 40
It can will prepare the concrete conveyance completed and be poured operation accordingly to construction site.
Embodiment 2：
The technological process of this system is divided into coarse aggregate preparation process and other feed preparation process two parts：
Wherein coarse aggregate preparation process includes：
G-1：Coarse aggregate is transported to by aggregate lower hopper 2 on the first aggregate conveyer belt 3；
G-2：Coarse aggregate on first aggregate conveyer belt 3 will be fallen on aggregate vibratory blanking machine 5；
G-3：Aggregate after 5 blanking of aggregate vibratory blanking machine falls on third aggregate conveyer belt 6；
G-4：Aggregate enters the first rotary screen 7, and it is defeated to will go into large-particle-size aggregate for wherein aggregate of the grain size between 40 ~ 150
Send band 10；
G-5：Aggregate of the grain size between 5 ~ 40 will go into middle grain size aggregate conveyer belt 9, and aggregate of the grain size less than 5 will go into
Small particle aggregate conveyer belt 8, and enter eventually into precipitation process pond 11；The material of middle grain size aggregate conveyer belt 9 will go into
Two rotary screens 12；
G-6：Aggregate of the third rotary screen 13 by grain size less than 40 is recycled and is transported on middle grain size aggregate conveyer belt 9；
G-7：The material of large-particle-size aggregate conveyer belt 10 will go into third rotary screen 13, third rotary screen 13 by grain size 80 ~
150 material is transported to four grading conveyer belts 21, and is finally stored in level Four material-compound tank 25；
G-8：Grain size is transported to graduation three conveyer belt 20 by third rotary screen 13 in 40 ~ 80 material, and is finally stored in
In three-level material-compound tank 24；
G-9：Grain size is transported to graduation two conveyer belt 19 by second tin roller sieve 12 in 20 ~ 40 material, and is finally stored in
In graduation two batch can 23；
G-10：Grain size is transported to a grading conveyer belt 22 by second tin roller sieve 12 in 5 ~ 20 material, and is finally stored in
In level-one material-compound tank 41；
G-11：It, will be in level-one material-compound tank 41, graduation two batch can 23, three-level material-compound tank 24 and level Four material-compound tank 25 according to match ratio
Aggregate facilities of mix storied building 39 is transported to by the 4th aggregate conveyer belt 26.
Wherein other feed preparation process processes include：
T-1：Sand material is transported to by sand material lower hopper 28 on the first sand material conveyer belt 29, and is stored in storage sand batch can 30
It is internal；
T-2：The sand material stored up inside sand batch can 30 is required down to expect on the second sand material conveyer belt 31 according to match ratio；
T-3：Sand material on second sand material conveyer belt 31 is transported on third sand material conveyer belt 32；
T-4：Sand material on third sand material conveyer belt 32 is transported to facilities of mix storied building 39；
T-5：According to match ratio, respectively by the cement of corresponding amount, swelling agent, water-reducing agent and flyash from cementing tank 33, swelling agent
It is added to inside facilities of mix storied building 39 in tank 34, water-reducing agent tank 35, flyash silo 36；
T-6：Aggregate, sand material and additive after cooperation is stirred mixing inside facilities of mix storied building 39, ultimately forms coagulation
Soil, and construction site is transported to by trucd mixer 40.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the limitation for the present invention, this hair
Technical characteristic in the technical solution that bright protection domain should be recorded with claim, including the technical solution of claim record
Equivalents are protection domain.Equivalent replacement i.e. within this range is improved, also within protection scope of the present invention.
Claims (9)
1. bridge pier is poured matches concrete production system with multistage, it is characterised in that：It includes aggregate lower hopper（2）, the aggregate
Lower hopper（2）Feed opening pass through the first aggregate conveyer belt（3）With the second aggregate conveyer belt（4）It is connected, second aggregate is defeated
Send band（4）Underface be provided with aggregate vibratory blanking machine（5）, the aggregate vibratory blanking machine（5）Feed opening pass through third
Aggregate conveyer belt（6）With the first rotary screen（7）It is connected, first rotary screen（7）Discharge port be respectively arranged with small particle bone
Expect conveyer belt（8）, middle grain size aggregate conveyer belt（9）With large-particle-size aggregate conveyer belt（10）；Middle grain size aggregate conveyer belt（9）Go out
Material mouth is sieved with second tin roller（12）It is connected, large-particle-size aggregate conveyer belt（10）With third rotary screen（13）It is connected；Second rolling
Shaft screen（12）Discharge port be respectively arranged with scrap web（14）, a grading conveyer belt（22）With graduation two conveyer belt（19）；
The third rotary screen（13）Discharge port be respectively arranged with regrading aggregate conveyer belt（18）, graduation three conveyer belt（20）With
Four grading conveyer belts（21）；The one grading conveyer belt（22）End and level-one material-compound tank（41）It is connected, the graduation two is defeated
Send band（19）End and graduation two batch can（23）It is connected, the graduation three conveyer belt（20）End and three-level material-compound tank（24）
It is connected, the four gradings conveyer belt（21）End and level Four material-compound tank（25）It is connected；Pass through in the feed opening of four batch cans
Four aggregate conveyer belts（26）With the 5th aggregate conveyer belt（37）It is connected, the 5th aggregate conveyer belt（37）With facilities of mix storied building（39）Phase
Even；The facilities of mix storied building（39）Top be communicated with other raw material mixing systems.
2. bridge pier is poured according to claim 1 matches concrete production system with multistage, it is characterised in that：The aggregate blanking
Bucket（2）The underface for platform of unloading in aggregate is set, unloads in aggregate and carries aggregate waggon on platform（1）.
3. bridge pier is poured according to claim 1 matches concrete production system with multistage, it is characterised in that：The small particle bone
Expect conveyer belt（8）Mud discharge port and precipitation process pond（11）It is connected；The scrap web（14）End and first useless
Expect conveyer belt（15）With the second scrap web（16）With waste material slag muck（17）It is connected；The small particle aggregate conveyer belt（8）'s
Dry aggregate discharge port and the second scrap web（16）It is connected.
4. bridge pier is poured according to claim 1 matches concrete production system with multistage, it is characterised in that：The regrading
Aggregate conveyer belt（18）End and middle grain size aggregate conveyer belt（9）It is connected.
5. bridge pier is poured according to claim 1 matches concrete production system with multistage, it is characterised in that：Other raw materials
Feed proportioning system includes sand material lower hopper（28）With additive feed proportioning system；The sand material lower hopper（28）It is conveyed by the first sand material
Band（29）With storage sand batch can（30）It is connected, the storage sand batch can（30）Feed opening pass through the second sand material conveyer belt（31）, third
Sand material conveyer belt（32）With the 4th sand material conveyer belt（38）With facilities of mix storied building（39）It is connected.
6. bridge pier is poured according to claim 5 matches concrete production system with multistage, it is characterised in that：The additive is matched
Material system includes cementing tank（33）, swelling agent tank（34）, water-reducing agent tank（35）And flyash silo（36）, the discharge port of four tanks is all
With facilities of mix storied building（39）It is connected.
7. bridge pier is poured according to claim 5 matches concrete production system with multistage, it is characterised in that：The sand material blanking
Bucket（28）The underface for platform of unloading in sand material is set, has sand material conveyor in sand material platform bearer of unloading（27）.
8. bridge pier is poured according to claim 1 matches concrete production system with multistage, it is characterised in that：The facilities of mix storied building
（39）Discharge port immediately below be provided with trucd mixer（40）.
9. using the multistage technique for preparing concrete with concrete production system, feature described in claim 1-8 any one
It is that it includes the following steps：
Coarse aggregate preparation process：
G-1：Coarse aggregate is passed through into aggregate lower hopper（2）It is transported to the first aggregate conveyer belt（3）On；
G-2：First aggregate conveyer belt（3）On coarse aggregate will fall on aggregate vibratory blanking machine（5）On；
G-3：Aggregate vibratory blanking machine（5）Aggregate after blanking falls on third aggregate conveyer belt（6）；
G-4：Aggregate enters the first rotary screen（7）, wherein aggregate of the grain size between 40 ~ 150 will go into large-particle-size aggregate
Conveyer belt（10）；
G-5：Aggregate of the grain size between 5 ~ 40 will go into middle grain size aggregate conveyer belt（9）, grain size will enter less than 5 aggregate
To small particle aggregate conveyer belt（8）, and enter eventually into precipitation process pond（11）；Middle grain size aggregate conveyer belt（9）Material will
Enter second tin roller sieve（12）；
G-6：Third rotary screen（13）Aggregate by grain size less than 40 recycles and is transported to middle grain size aggregate conveyer belt（9）On；
G-7：Large-particle-size aggregate conveyer belt（10）Material will go into third rotary screen（13）, third rotary screen（13）By grain size
Material 80 ~ 150 is transported to four grading conveyer belts（21）, and finally it is stored in level Four material-compound tank（25）It is interior；
G-8：Third rotary screen（13）Grain size is transported to graduation three conveyer belt in 40 ~ 80 material（20）, and finally stored up
There are three-level material-compound tanks（24）It is interior；
G-9：Second tin roller sieves（12）Grain size is transported to graduation two conveyer belt in 20 ~ 40 material（19）, and finally stored up
There are graduation two batch cans（23）It is interior；
G-10：Second tin roller sieves（12）Grain size is transported to a grading conveyer belt in 5 ~ 20 material（22）, and finally stored up
There are level-one material-compound tanks（41）It is interior；
G-11：According to match ratio, by level-one material-compound tank（41）, graduation two batch can（23）, three-level material-compound tank（24）With four gradating materials
Tank（25）Interior aggregate passes through the 4th aggregate conveyer belt（26）It is transported to facilities of mix storied building（39）；
Other feed preparation process processes：
T-1：Sand material is passed through into sand material lower hopper（28）It is transported to the first sand material conveyer belt（29）On, and it is stored in storage sand material
Tank（30）It is internal；
T-2：Sand batch can will be stored up（30）Internal sand material requires down to expect the second sand material conveyer belt according to match ratio（31）On；
T-3：Second sand material conveyer belt（31）On sand material be transported to third sand material conveyer belt（32）On；
T-4：Third sand material conveyer belt（32）On sand material be transported to facilities of mix storied building（39）；
T-5：According to match ratio, respectively by the cement of corresponding amount, swelling agent, water-reducing agent and flyash from cementing tank（33）, expansion
Agent tank（34）, water-reducing agent tank（35）, flyash silo（36）In be added to facilities of mix storied building（39）It is internal；
T-6：By aggregate, sand material and the additive after cooperation in facilities of mix storied building（39）Inside is stirred mixing, ultimately forms mixed
Solidifying soil, and pass through trucd mixer（40）It is transported to construction site.
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