CN113386256A - Stirring process for UHPC industrial production - Google Patents
Stirring process for UHPC industrial production Download PDFInfo
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- CN113386256A CN113386256A CN202110728484.1A CN202110728484A CN113386256A CN 113386256 A CN113386256 A CN 113386256A CN 202110728484 A CN202110728484 A CN 202110728484A CN 113386256 A CN113386256 A CN 113386256A
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- 238000003756 stirring Methods 0.000 title claims abstract description 95
- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009776 industrial production Methods 0.000 title claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 51
- 238000003860 storage Methods 0.000 claims abstract description 42
- 238000005303 weighing Methods 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims description 72
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000000835 fiber Substances 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 239000000654 additive Substances 0.000 claims description 14
- 230000000996 additive effect Effects 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 10
- 239000007921 spray Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 235000012773 waffles Nutrition 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- 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
- B28C5/003—Methods for mixing
-
- 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
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
-
- 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
- B28C5/40—Mixing specially adapted for preparing mixtures containing fibres
- B28C5/404—Pre-treatment of fibres
-
- 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
-
- 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
- B28C7/0481—Plant for proportioning, supplying or batching
-
- 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
- B28C7/10—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors by means of rotary members, e.g. inclinable screws
-
- 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
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
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- 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 stirring process for UHPC industrial production, which comprises the following steps: firstly, mounting and debugging each part, entering each raw material into a field, carrying out quality detection on the raw material, and entering a storage bin after the raw material is detected to be qualified; before the stirring operation, the temperature of the storage bin of each raw material is controlled; weighing and proportioning the raw materials respectively, and then starting a stirring device; conveying the raw materials in sequence, dumping and discharging the raw materials into a stirring device, observing the stirring state, and weighing the raw materials of the next pan while stirring; when the stirring state meets the requirement, unloading, and simultaneously putting the raw materials of the next pan into the stirring device; the stirring process for UHPC industrial production provided by the invention has strong working continuity of the whole process and high automation degree; can carry out continuous stirring during production, guarantee continuous feed, can satisfy the single and pour the great volume of prescription, and pour the longer engineering project demand of time.
Description
Technical Field
The invention relates to the field of ultra-high performance concrete (UHPC for short) production, in particular to an industrial UHPC production stirring process.
Background
The UHPC is well applied to the fields of high-rise buildings, large-span bridges, ocean engineering, hydraulic engineering, nuclear power engineering, special structures and the like. In bridge structures, UHPC has been widely used in many areas such as main girder structures, arch bridge main arches, waffle slab deck structures, bridge joints, and reinforcement of old bridges.
The UHPC material has a plurality of advantages, and has been applied in a large amount in the world, but at present, the application in China is less, and the UHPC material can not be applied to bridge main body engineering in a large scale. At present, two main UHPC production processes are adopted in China, one is to reform a common double horizontal shaft type stirrer, expand the single-disc stirring capacity and prolong the single-disc stirring time, the main raw materials of the method adopt manual weighing and feeding, the metering precision is poor and continuous production cannot be realized; the other method is to use a common double horizontal shaft type stirrer to stir for two times, wherein the aggregate, the powder and the additive are stirred into dry powder for the first time, and the dry powder is stirred into UHPC by adding water for the second time, so that the production process is complicated and the stirring quality is difficult to control; both modes can not continuously produce UHPC with stable quality for a long time, and are difficult to meet the requirements of engineering projects with large single pouring amount of monomers and long pouring time.
Disclosure of Invention
The invention aims to provide a stirring process for UHPC industrial production, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a stirring process for UHPC industrial production comprises the following steps:
the method comprises the following steps: installing and debugging each component; each raw material enters a field and is subjected to quality detection, and the raw material enters a storage bin after being detected to be qualified;
step two: before the stirring operation, the temperature of the storage bin of each raw material is controlled;
step three: weighing and proportioning the raw materials respectively, and then starting a stirring device;
step four: conveying the raw materials in sequence, dumping and discharging the raw materials into a stirring device, observing the stirring state, and weighing the raw materials of the next pan while stirring;
step five: and discharging when the stirring state meets the requirement, and simultaneously putting the raw materials of the next pan into the stirring device.
As a further scheme of the invention: the storage bin comprises an aggregate storage unit, a powder storage unit, a water agent storage unit and a steel fiber batching station; the aggregate storage unit comprises a plurality of aggregate bins which are separately arranged, the powder storage unit comprises a plurality of powder tank bins which are separately arranged, and the water aqua storage unit comprises a reservoir and an additive tank bin.
As a further scheme of the invention: the temperature control mechanism realizes temperature control of different storage bin positions, and comprises a powder temperature control unit, wherein the powder temperature control unit comprises a heat insulation blanket and a spraying water path which are arranged on the outer wall of a powder tank bin; the temperature control mechanism further comprises a ventilation sunshade, and the aggregate bin is arranged inside the ventilation sunshade.
As a further scheme of the invention: different raw materials are weighed through the weighing and conveying mechanism, and the raw materials are conveyed to the stirring device from the storage bin; the weighing and conveying mechanism comprises an aggregate conveying unit, a powder conveying unit and an aqueous agent conveying unit; aggregate transportation unit includes aggregate belt weigher and aggregate elevator bucket, aggregate belt weigher sets up in a plurality of aggregate storehouse below, and the direction of delivery equidistance distribution of aggregate belt weigher is followed to a plurality of aggregate storehouse, the top of aggregate belt weigher corresponds the setting with the output of aggregate storehouse, the aggregate elevator bucket sets up in the output of aggregate belt weigher.
As a further scheme of the invention: the powder conveying unit comprises a powder scale, a powder discharging pipe and a plurality of spiral conveying pipes, one end of each spiral conveying pipe is respectively communicated with the output ends of the powder tank bins, the other ends of the spiral conveying pipes are arranged corresponding to the top of the powder scale, and the top of the powder discharging pipe is arranged corresponding to one side of the powder scale; the water aqua conveying unit comprises a pump, a liquid scale and a liquid discharging pipe, wherein the output end of the pump is arranged corresponding to the top of the liquid scale, and the liquid discharging pipe is correspondingly arranged on one side of the liquid scale.
As a further scheme of the invention: the steel fiber transportation unit comprises a steel fiber scale, one side of the steel fiber scale is provided with a steel fiber vibrating screen, the output end of the steel fiber vibrating screen is correspondingly provided with a steel fiber conveying belt, and one end of the steel fiber conveying belt is correspondingly arranged at the top of the vertical shaft planetary gear type stirring disc.
As a further scheme of the invention: the stirring device comprises a stirring operation table, a vertical shaft planetary gear type stirring disc is fixedly installed in the middle of the stirring operation table, an installation frame is fixedly installed at the top of the stirring operation table, a plurality of liquid scales and powder scales are arranged at the top of the installation frame, and the bottoms of a plurality of powder discharging pipes and the bottoms of liquid discharging pipes are arranged corresponding to the top of the vertical shaft planetary gear type stirring disc; one side of the stirring operation table is fixedly provided with a step-up staircase.
As a further scheme of the invention: the aggregate storage unit also comprises a feeding platform, and one side of the feeding platform is arranged corresponding to one side of the aggregate bin; the other side of the feeding platform is fixedly connected with a feeding escalator; and a bridge crane is correspondingly arranged at the top of the feeding platform.
Compared with the prior art, the invention has the beneficial effects that: according to the UHPC industrial production stirring process, the raw material entering is directly controlled, the quality of the raw material is checked before entering, the quality of the UHPC raw material entering the site is stable and qualified, the temperature of each raw material is controlled during stirring production, the lower output temperature of the UHPC is ensured, and the problem that the poured finished product is cracked due to overhigh output temperature of the UHPC is solved; the feeding mode of the steel fibers is optimized, the steel fibers are uniformly dispersed by vibration screening, and then are continuously and uniformly fed into a stirring disc through a steel fiber conveying belt, so that the uniformity of the steel fibers in the UHPC is ensured; the feeding process is optimized, weighing and proportioning of various raw materials are completed in the conveying process, the stirring time of a single disc is shortened, the situations of overlong production time, material waiting during pouring and the like are avoided, and the production efficiency is improved on the premise of ensuring the stirring quality of UHPC; the whole process has strong working continuity and high automation degree; can carry out continuous stirring during production, guarantee continuous feed, can satisfy the single and pour the great volume of prescription, and pour the longer engineering project demand of time.
Drawings
FIG. 1 is a plan view of a mixing plant according to the present invention;
FIG. 2 is a view from the A direction of FIG. 1;
FIG. 3 is a view from the B direction of FIG. 1;
FIG. 4 is a flow chart of the production process of the present invention;
FIG. 5 is a flow chart of the stirring feeding process of the present invention.
In the figure: 1. an aggregate bin; 2. powder material storage tank; 3. a reservoir; 4. an additive tank bin; 5. a ventilation sunshade; 6. aggregate belt weigher; 7. an aggregate elevator bucket; 8. a spiral conveying pipe; 9. weighing the powder; 10. a powder blanking pipe; 11. a liquid scale; 12. a liquid discharge pipe; 13. a stirring operation table; 14. a vertical shaft planetary gear type stirring disc; 15. a mounting frame; 16. a step ladder; 17. a feeding platform; 18. a feeding escalator; 19. a bridge crane; 20. a control room; 21. a steel fiber batching station; 22. steel fiber conveyor belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, in an embodiment of the present invention, a UHPC industrial production stirring process includes the following steps:
the method comprises the following steps: installing and debugging each component; each raw material enters a field and is subjected to quality detection, and the raw material enters a storage bin after being detected to be qualified;
step two: before the stirring operation, the temperature of the storage bin of each raw material is controlled;
step three: weighing and proportioning the raw materials respectively, and then starting a stirring device;
step four: conveying and dumping the raw materials into a stirring device in sequence, observing the stirring state, and weighing the raw materials of the next pan while stirring;
step five: and discharging when the stirring state meets the requirement, and simultaneously putting the raw materials of the next pan into the stirring device.
The storage bin comprises an aggregate storage unit, a powder storage unit, a water agent storage unit and a steel fiber batching station 21; aggregate deposits aggregate storehouse 1 that the unit includes a plurality of separation setting, powder storage unit includes powder tank storehouse 2 that a plurality of separation set up, the unit is deposited to water agent includes cistern 3 and additive tank storehouse 4, a plurality of aggregate storehouse 1, a plurality of powder tank storehouse 2 isotructures through independent setting, separate the storage to all kinds of raw and other materials of accomplishing quality detection, guaranteed the orderly clean and tidy of job site, make things convenient for the use of getting of all kinds of raw and other materials simultaneously, improved production efficiency.
The temperature control of different storage bin positions is realized through a temperature control mechanism, the temperature control mechanism comprises a powder temperature control unit, and the powder temperature control unit comprises a heat preservation blanket and a spraying water path which are arranged on the outer wall of the powder tank bin 2; the temperature control mechanism also comprises a ventilation sunshade 5, and the aggregate bin 1 is arranged inside the ventilation sunshade 5; the spraying water path is arranged to be a spraying water pipe wound on the outer wall of the powder tank bin 2, a spray head facing the outer wall of the powder tank bin 2 is arranged on the spraying water pipe, the powder tank bin 2 is cooled in a spray mode of the spray head, and the powder tank bin 2 is insulated in a mode of coating an insulation blanket on the outer wall of the powder tank bin 2, so that the temperature of the powder tank bin 2 is adjusted; the ventilation sunshade 5 is arranged to shield and protect the aggregate bin 1, so that the aggregates can be conveniently stacked temporarily; during specific implementation, the temperature of the water for stirring is adjusted by adding ice blocks into the water storage tank 3; through the temperature control mode, the temperature of each raw material is controlled, the lower UHPC machine-exiting temperature is ensured, and the problem that the cast finished product is cracked due to overhigh machine-exiting temperature of the UHPC is solved.
Different raw materials are weighed through the weighing and conveying mechanism, and the raw materials are conveyed to the stirring device from the storage bin; the weighing and conveying mechanism comprises an aggregate conveying unit, a powder conveying unit and an aqueous agent conveying unit; the aggregate transportation unit comprises an aggregate belt weigher 6 and an aggregate lifting hopper 7, the aggregate belt weigher 6 is arranged below the aggregate bins 1, the aggregate bins 1 are equidistantly distributed along the conveying direction of the aggregate belt weigher 6, the top of the aggregate belt weigher 6 is arranged corresponding to the output end of the aggregate bins 1, and the aggregate lifting hopper 7 is arranged at the output end of the aggregate belt weigher 6; through arranging a plurality of aggregate storehouse 1 equidistance on aggregate belt weigher 6 for when certain aggregate is taken to needs, only need open corresponding aggregate storehouse 1, and start aggregate belt weigher 6, can accomplish the transport operation of weighing to the aggregate in step, improved production efficiency.
The powder conveying unit comprises a powder scale 9, a powder discharging pipe 10 and a plurality of spiral conveying pipes 8, one ends of the spiral conveying pipes 8 are respectively communicated with the output ends of the powder tank bins 2, the other ends of the spiral conveying pipes 8 are arranged corresponding to the top of the powder scale 9, and the top of the powder discharging pipe 10 is arranged corresponding to one side of the powder scale 9; the water aqua transportation unit comprises pumps, a liquid scale 11 and two liquid discharging pipes 12, wherein the output ends of the pumps are arranged corresponding to the top of the liquid scale 11, the liquid discharging pipes 12 are correspondingly arranged on one side of the liquid scale 11, the input ends of the two pumps are respectively communicated with the water storage tank 3 and the additive tank bin 4, clean water in the water storage tank 3 and additives in the additive tank bin 4 are extracted through the pumps, and the fed clean water and the additives are weighed through the liquid scale 11; in this embodiment, a plurality of powder scales 9 are also provided, so as to improve the weighing efficiency of different powders.
The steel fiber conveying unit comprises a steel fiber scale, a steel fiber vibrating screen is arranged on one side of the steel fiber scale, a steel fiber conveying belt 22 is correspondingly arranged at the output end of the steel fiber vibrating screen, and one end of the steel fiber conveying belt 22 is correspondingly arranged with the top of the vertical shaft planetary gear type stirring disc 14; the steel fiber is weighed by the steel fiber scale, then is uniformly dispersed by the steel fiber vibrating screen, and is continuously and uniformly thrown into the stirring device by the steel fiber conveying belt 22, so that the uniformity of the steel fiber in the UHPC is ensured.
The stirring device comprises a stirring operation table 13, a vertical shaft planetary gear type stirring disc 14 is fixedly installed in the middle of the stirring operation table 13, an installation frame 15 is fixedly installed at the top of the stirring operation table 13, a plurality of liquid scales 11 and powder scales 9 are arranged at the top of the installation frame 15, and the bottoms of a plurality of powder discharging pipes 10 and the bottoms of liquid discharging pipes 12 are arranged corresponding to the top of the vertical shaft planetary gear type stirring disc 14; a step ladder 16 is fixedly arranged on one side of the stirring operation platform 13; a control room 20 for controlling the running state of all the equipment is arranged at one side of the landing staircase 16; through setting up mounting bracket 15, concentrate the installation to a plurality of powder unloading pipe 10 and liquid unloading pipe 12, make it align with the top of vertical scroll planetary gear formula agitator disk 14, make things convenient for operating personnel to operate and regulate and control through setting up stirring operation panel 13 and step on a stage staircase 16.
The aggregate storage unit further comprises a feeding platform 17, and one side of the feeding platform 17 is arranged corresponding to one side of the aggregate bin 1; the other side of the feeding platform 17 is fixedly connected with a feeding escalator 18; the top of the feeding platform 17 is correspondingly provided with a bridge crane 19; above-mentioned aggregate storehouse 1 one side of position still is provided with the raw and other materials storage area who is used for piling up the aggregate temporarily, and inside raw and other materials storage area is located ventilation sunshade 5, and operating personnel accessible bridge crane 19's supplementary puts into aggregate storehouse 1 with aggregate hoist and mount for improve production efficiency.
When the device is used, all parts are installed and debugged according to the layout, all raw materials are transported to the field and subjected to quality detection, and the raw materials enter a storage bin after being detected to be qualified;
wherein, different kinds of aggregates are placed in the ventilation sunshade 5 and are sent into different aggregate bins 1 through a bridge crane 19; different kinds of powder are placed in different powder tank bins 2, clear water is stored in the water storage pool 3, and the additive is stored in an additive tank bin 4;
before stirring operation, a spraying waterway switch on the outer wall of the powder tank bin 2 is opened, and the powder tank bin 2 is sprayed and cooled to stabilize the temperature below 20 ℃; putting ice blocks into the reservoir 3 through auxiliary devices such as a slide way and the like, stabilizing the temperature below 10 ℃, and preventing the temperature of aggregate from being overhigh by arranging a ventilation sunshade 5;
and then starting the stirring preparation work of the raw materials, and specifically operating as follows: according to the aggregate input sequence, sequentially opening the output ports at the bottoms of different aggregate bins 1, sequentially weighing different aggregates by an aggregate belt scale 6, and conveying the different aggregates into an aggregate lifting hopper 7 for mixing; powder is conveyed from the powder tank bin 2 to a powder scale 9 through a spiral conveying pipe 8 for weighing; clear water and additives are respectively pumped by a pump from a reservoir 3 and an additive tank bin 4 and are sent into a liquid scale 11 for weighing; weighing the steel fibers by a steel fiber scale, then vibrating and screening the steel fibers by a vibrating screen to uniformly spread the steel fibers, and then placing the steel fibers on a steel fiber conveying belt 22; the stirring preparation work of the raw materials is completed, and then the vertical shaft planetary gear type stirring disc 14 is started;
the aggregate lifting hopper 7 dumps and unloads the aggregate mixture into the vertical shaft planetary gear type stirring disc 14, and the counting time is 0; sequentially adding powder, clear water, an additive and steel fibers, and respectively counting the time a, the time b and the time c; observing the state of the concrete material obtained by stirring, unloading when the state of the concrete material meets the unloading requirement, recording the time as d, synchronously weighing the raw materials of the next pan in the stirring process, and after the stirring is finished and the unloading is finished, simultaneously putting the raw materials of the next pan into the stirring device.
"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (8)
1. A stirring process for UHPC industrial production is characterized by comprising the following steps:
the method comprises the following steps: installing and debugging each part, entering each raw material into a field, carrying out quality detection on the raw material, and entering a storage bin after the raw material is detected to be qualified;
step two: before the stirring operation, the temperature of the storage bin of each raw material is controlled;
step three: weighing and proportioning the raw materials respectively, and then starting a stirring device;
step four: conveying and dumping the raw materials into a stirring device in sequence, observing the stirring state, and weighing the raw materials of the next pan while stirring;
step five: and discharging when the stirring state meets the requirement, and simultaneously putting the raw materials of the next pan into the stirring device.
2. The UHPC industrial process mixing process according to claim 1, wherein the storage bin comprises an aggregate storage unit, a powder storage unit, a water agent storage unit and a steel fiber batching station (21); aggregate is deposited the unit and is included aggregate storehouse (1) that a plurality of separation set up, the powder is deposited the unit and is included powder tank storehouse (2) that a plurality of separation set up, the unit is deposited to water agent includes cistern (3) and additive tank storehouse (4).
3. The stirring process for UHPC industrial production according to claim 2, characterized in that the temperature control of different storage bin positions is realized by a temperature control mechanism, the temperature control mechanism comprises a powder temperature control unit, and the powder temperature control unit comprises a heat preservation blanket and a spraying waterway which are arranged on the outer wall of the powder tank bin (2); the temperature control mechanism further comprises a ventilation sunshade (5), and the aggregate bin (1) is arranged inside the ventilation sunshade (5).
4. The stirring process for UHPC industrial production according to claim 2, wherein the weighing of different raw materials is realized by a weighing and conveying mechanism, and the raw materials are conveyed to the stirring device from a storage bin; the weighing and conveying mechanism comprises an aggregate conveying unit, a powder conveying unit, an aqueous agent conveying unit and a steel fiber conveying unit; aggregate transportation unit includes aggregate belt weigher (6) and aggregate elevator bucket (7), aggregate belt weigher (6) set up in a plurality of aggregate storehouse (1) below, and the direction of delivery equidistance distribution of aggregate belt weigher (6) is followed in a plurality of aggregate storehouse (1), aggregate elevator bucket (7) set up in the output of aggregate belt weigher (6).
5. The stirring process for UHPC industrial production according to claim 4, wherein the powder conveying unit comprises a powder scale (9), a powder discharging pipe (10) and a plurality of spiral conveying pipes (8), one end of each spiral conveying pipe (8) is respectively communicated with the output ends of the powder tank bins (2), the other end of each spiral conveying pipe (8) is arranged corresponding to the top of the powder scale (9), and the top of the powder discharging pipe (10) is arranged corresponding to one side of the powder scale (9); the water aqua conveying unit comprises a pump, a liquid scale (11) and a liquid discharging pipe (12), the output end of the pump is arranged corresponding to the top of the liquid scale (11), and the liquid discharging pipe (12) is correspondingly arranged on one side of the liquid scale (11).
6. A stirring process for UHPC industrial production according to claim 4, characterized in that the steel fiber transportation unit comprises a steel fiber scale, one side of the steel fiber scale is provided with a steel fiber vibrating screen, and the output end of the steel fiber vibrating screen is correspondingly provided with a steel fiber conveying belt (22).
7. A stirring process for UHPC industrial production according to claim 5, characterized in that the stirring device comprises a stirring operation table (13), the middle part of the stirring operation table (13) is fixedly provided with a vertical shaft planetary gear type stirring disc (14), the top of the stirring operation table (13) is fixedly provided with an installation frame (15), a plurality of liquid scales (11) and powder scales (9) are arranged on the top of the installation frame (15), and the bottoms of a plurality of powder discharging pipes (10) and the bottoms of liquid discharging pipes (12) are arranged corresponding to the top of the vertical shaft planetary gear type stirring disc (14); one side of the stirring operation platform (13) is fixedly provided with a step ladder (16).
8. A stirring process for UHPC industrial production according to claim 2 wherein the aggregate storage unit further comprises a feeding platform (17), one side of the feeding platform (17) is arranged corresponding to one side of the aggregate bin (1); the other side of the feeding platform (17) is fixedly connected with a feeding escalator (18); the top of the feeding platform (17) is correspondingly provided with a bridge crane (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728484.1A CN113386256A (en) | 2021-06-29 | 2021-06-29 | Stirring process for UHPC industrial production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110728484.1A CN113386256A (en) | 2021-06-29 | 2021-06-29 | Stirring process for UHPC industrial production |
Publications (1)
| Publication Number | Publication Date |
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| CN113386256A true CN113386256A (en) | 2021-09-14 |
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| CN115256649A (en) * | 2021-04-29 | 2022-11-01 | 三一汽车制造有限公司 | Material metering method and device and mixing station |
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Address after: 510000 No. 942 Guangzhou Avenue Center, Tianhe District, Guangzhou City, Guangdong Province Applicant after: Poly Changda Engineering Co., Ltd. Applicant after: Changda Municipal Engineering (Guangdong) Co.,Ltd. Applicant after: Changda Construction Engineering (Guangdong) Co.,Ltd. Address before: 510000 No. 942 Guangzhou Avenue Center, Tianhe District, Guangzhou City, Guangdong Province Applicant before: Poly Changda Engineering Co., Ltd. Applicant before: Guangdong Changxin Municipal Engineering Co.,Ltd. Applicant before: Guangdong Changxin Construction Engineering Co.,Ltd. |
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Address after: 510000 No. 942 Guangzhou Avenue Center, Tianhe District, Guangzhou City, Guangdong Province Applicant after: Poly Changda Engineering Co., Ltd. Applicant after: Changda Municipal Engineering (Guangdong) Co.,Ltd. Applicant after: Changda Construction Engineering (Guangdong) Co.,Ltd. Address before: 510000 No. 942 Guangzhou Avenue Center, Tianhe District, Guangzhou City, Guangdong Province Applicant before: Poly Changda Engineering Co., Ltd. Applicant before: Guangdong Changxin Municipal Engineering Co.,Ltd. Applicant before: Guangdong Changxin Construction Engineering Co.,Ltd. Address after: Room 409-01, 4th Floor, Building C, Building C, Innovation Center, Xiangshan Avenue, Cuiheng New District, Zhongshan City, Guangdong Province, 510000 (Residence declaration) Applicant after: Changda Municipal Engineering (Guangdong) Co.,Ltd. Applicant after: Changda Construction Engineering (Guangdong) Co.,Ltd. Applicant after: Poly Changda Engineering Co., Ltd. Address before: 510000 No. 942 Guangzhou Avenue Center, Tianhe District, Guangzhou City, Guangdong Province Applicant before: Poly Changda Engineering Co., Ltd. Applicant before: Changda Municipal Engineering (Guangdong) Co.,Ltd. Applicant before: Changda Construction Engineering (Guangdong) Co.,Ltd. |
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Application publication date: 20210914 |