CN114147861A - Intelligent mixing system for mountainous concrete and operation method - Google Patents

Intelligent mixing system for mountainous concrete and operation method Download PDF

Info

Publication number
CN114147861A
CN114147861A CN202111476806.4A CN202111476806A CN114147861A CN 114147861 A CN114147861 A CN 114147861A CN 202111476806 A CN202111476806 A CN 202111476806A CN 114147861 A CN114147861 A CN 114147861A
Authority
CN
China
Prior art keywords
controller
storehouses
concrete
weighing hoppers
mixing system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111476806.4A
Other languages
Chinese (zh)
Inventor
赵亮
张勇超
廖玉麒
王庆灏
刘肖楠
张新跃
杨利
牛国丰
范泽宇
史登旭
张成伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Electric Power Engineering Co ltd
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
Beijing Electric Power Engineering Co ltd
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Electric Power Engineering Co ltd, State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical Beijing Electric Power Engineering Co ltd
Priority to CN202111476806.4A priority Critical patent/CN114147861A/en
Publication of CN114147861A publication Critical patent/CN114147861A/en
Pending legal-status Critical Current

Links

Images

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
    • B28C7/0007—Pretreatment of the ingredients, e.g. by heating, sorting, grading, drying, disintegrating; Preventing generation of dust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/02—Controlling the operation of the mixing
    • B28C7/028—Controlling the operation of the mixing by counting the number of revolutions performed, or by measuring the mixing time
    • 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
    • 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
    • B28C7/0404—Proportioning
    • B28C7/0418—Proportioning control systems therefor
    • 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

Abstract

The invention belongs to the technical field of concrete mixing, and particularly discloses an intelligent mixing system for mountainous concrete and an operation method, wherein the intelligent mixing system comprises the following steps: the device comprises a material conveying device, a raw material screening device, three material storehouses, three weighing hoppers, a stirring tank, a water flow control pump and a controller; the material conveying device is connected with the raw material screening device; the raw material screening device is connected with the three material storehouses; the three material storehouses are connected with three weighing hoppers; the discharge port of the three weighing hoppers is connected with the stirring tank; the water flow control pump is connected with the stirring tank; the material conveying device, the raw material screening device, the three material storehouses, the three weighing hoppers, the stirring tank and the water flow control pump are respectively connected with the controller. The invention gradually standardizes the concrete mixing through intelligent control, realizes the functions of raw material screening, material weighing, blanking speed, mixing sequence, time control and the like, realizes the automatic and intelligent concrete mixing process, and can control the mixing proportion of the concrete and the quality of the concrete mixing in the whole process.

Description

Intelligent mixing system for mountainous concrete and operation method
Technical Field
The invention belongs to the technical field of concrete mixing, and particularly relates to an intelligent mixing system for mountainous concrete and an operation method.
Background
With the progress of science and technology, the engineering construction is more and more intelligent and automatic. In the aspect of power construction, more and more automated intelligent devices are present at construction sites. The appearance of the equipment enables the process links of engineering construction to be more standardized, and the construction quality is greatly improved.
The cast-in-place concrete foundation is the most common foundation pouring form in the foundation engineering of the power transmission line engineering, and has the advantages of good plasticity, good integrity and durability of the concrete, high strength and high rigidity due to the convenient use and manufacture of the cast-in-place concrete. In addition, a considerable part of the power transmission line is built in a mountainous area, and the operation is carried out on the site where the traffic is inconvenient and the operation environment is in the mountainous area, so that the condition that the commercial mixed pump truck cannot reach the operation site or the environmental condition of the operation does not allow the use of the commercial mixed pump truck can occur. In this case cast in place concrete is the best and only form of foundation casting.
In the process of foundation construction, due to the fact that construction capacity of teams and groups on an operation layer is uneven, management and supervision are not in place and the like, the mix proportion control of cast-in-place concrete often cannot meet the requirements of a design scheme, the quality of the concrete cannot reach the standard, engineering quality is affected, and great potential safety hazards exist. Therefore, it is necessary to design an intelligent stirring system in mountainous areas.
The construction process of the cast-in-place concrete foundation mainly has the following reasons:
in the process of transporting concrete materials, due to environmental restrictions or human factors, many materials are mixed with other materials, so that raw material components are mixed, and the mixing ratio of the materials is problematic.
In the concrete blanking process, as manual blanking is adopted, the blanking sequence and the mixing proportion have no strict and accurate control standard at all.
In the stirring process, the stirring time is controlled by field constructors completely, so that the problems of incomplete stirring, uneven stirring, mortar separation and the like are caused.
Disclosure of Invention
The invention provides an intelligent mixing system for mountainous concrete and an operation method thereof, and aims to solve the problems that the quality of the concrete does not reach the standard, the engineering quality is affected and great potential safety hazards exist because the mix proportion of cast-in-place concrete cannot meet the requirements of a design scheme.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides an intelligent mixing system for mountainous concrete, comprising: the device comprises a material conveying device, a raw material screening device, three material storehouses, three weighing hoppers, a stirring tank, a water flow control pump and a controller; the material conveying device is connected with the raw material screening device; the raw material screening device is connected with the three material storehouses; the three material storehouses are connected with three weighing hoppers; the discharge port of the three weighing hoppers is connected with the stirring tank; the water flow control pump is connected with the stirring tank; the material conveying device, the raw material screening device, the three material storehouses, the three weighing hoppers, the stirring tank and the water flow control pump are respectively connected with the controller.
Further, the material conveying device comprises a spiral conveying belt and a tubular conveying pipeline; the spiral conveyer belt is arranged in the tubular conveying pipeline.
Further, the raw material screening device comprises a material screening cylinder, a screening cylinder rotating shaft, a cylinder bracket and device supporting legs; the device supporting legs are provided with cylinder brackets; the cylinder bracket is provided with a material screening cylinder; the rotating shaft of the screening cylinder is arranged on the central axis of the material screening cylinder.
Furthermore, the three material storehouses comprise a material storehouse, a material storehouse bracket, a control valve and a control motor; the material warehouse is arranged on the material warehouse support, the control valve is arranged at the discharge port of the material warehouse, and the control motor is arranged on the control valve.
Further, the three weighing hoppers comprise a hopper, a weighing platform, a gravity sensing device, a hopper bracket, a discharge pipeline, a discharge port and a discharge control motor; a weighing platform is arranged on the hopper bracket; a hopper is arranged on the weighing platform; a gravity sensing device is arranged between the weighing platform and the hopper bracket; a discharge pipeline is arranged at the lower part of the hopper; one side of the discharging pipeline is provided with a discharging port, and the other side of the discharging pipeline is provided with a discharging control motor.
Furthermore, the controller adopts a singlechip microprocessor controller.
Furthermore, a stirring time control device is arranged on the stirring tank and used for controlling the stirring time.
On the other hand, the invention provides an operation method of an intelligent mixing system for mountainous area concrete, which is based on the intelligent mixing system for mountainous area concrete and comprises the following steps:
step 1: firstly, materials are conveyed to a raw material screening device through a material conveying device, and the conveying of the materials is controlled through a controller;
step 2: in the raw material screening device, screening the raw materials conveyed by the material conveying device;
and step 3: storing the screened materials in three special material storehouses respectively;
and 4, step 4: simultaneously adding cement into the three material storehouses, and storing the intermediate process in the three material storehouses;
and 5: controlling stones, sands and cement in the three material storehouses to respectively enter the corresponding three weighing hoppers through a controller;
step 6: controlling a water flow control pump to pump water into the three weighing hoppers;
and 7: stopping feeding the three weighing hoppers when all the materials meet the weight requirement;
and 8: respectively feeding the materials in the three weighing hoppers into a stirring tank in sequence and starting stirring under the control of a controller;
and step 9: and controlling a stirring time control device through a controller, and pouring after sufficient stirring.
Further, the step 2 further comprises: screening out stones and sands, and respectively entering three material storehouses; the diameter of the sieved stones and sands is controlled by a controller.
Further, the step 6 further includes: the controller controls the water flow control pump to add water gradually in the stirring process.
The invention has at least the following beneficial effects:
1. the invention gradually standardizes the concrete mixing through intelligent control, realizes the functions of raw material screening, material weighing, blanking speed control, mixing sequence and time control and the like, realizes the automatic and intelligent concrete mixing process, can effectively control the mixing proportion of the concrete, and controls the quality of the concrete mixing in the whole process.
2. In the operation process of the invention, because the material transportation is mechanized, the manpower consumption caused by manual transportation can be greatly reduced, and the production efficiency can be greatly improved by replacing the manual transportation with mechanical equipment.
3. The invention adopts the tubular conveying device to convey materials, has the advantages of flexible disassembly and assembly, small equipment volume and convenient transportation, can flexibly disassemble and assemble the standard section to change the length of the conveying pipeline, and can flexibly lift the angle through the bracket.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a system flow diagram of the system of the present invention;
FIG. 2 is a schematic structural diagram of the material conveying device of the present invention;
FIG. 3 is a schematic structural view of a raw material screening apparatus according to the present invention;
FIG. 4 is a schematic structural diagram of three material libraries according to the present invention;
fig. 5 is a schematic structural diagram of three weighing hoppers of the invention.
Reference numerals: 11. a spiral conveyor belt; 12. a tubular delivery conduit; 21. a material screening drum; 22. a screening drum shaft; 23. a cartridge holder; 24. a device leg; 31. a material warehouse; 32. a material warehouse support; 33. a control valve; 34. controlling the motor; 41. a hopper; 42. a weighing platform; 43. a gravity sensing device; 44. a hopper support; 45. a discharge pipeline; 46. a discharge port; 47. and a discharge control motor.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention.
Example 1
As shown in fig. 1, an intelligent mixing system for mountainous concrete comprises:
the device comprises a material conveying device, a raw material screening device, three material storehouses, three weighing hoppers, a stirring tank, a water flow control pump and a controller; the material conveying device is connected with the raw material screening device; the raw material screening device is connected with the three material storehouses; the three material storehouses are connected with three weighing hoppers; the discharge port of the three weighing hoppers is connected with the stirring tank; the water flow control pump is connected with the stirring tank; the material conveying device, the raw material screening device, the three material storehouses, the three weighing hoppers, the stirring tank and the water flow control pump are respectively connected with the controller.
As shown in fig. 2, the material conveying device comprises a spiral conveyer belt 11 and a tubular conveyer pipe 12; the spiral conveyer belt 11 is arranged in the tubular conveying pipeline 12; the bracket is also arranged, and the angle can be flexibly lifted through the bracket. The support adopts the fixed mode of wearing the round pin both light stability is better.
Through the form of manual work or cableway, with the concrete material transportation to the stockyard in mountain area, because the restriction of mountain area topography, the stockyard has the distance of 5-20 meters generally apart from the mixer, if the manual transportation material, can consume very big manpower and carry, and through conveyor, can transport the position of concrete mixing from the stockyard with the material, just saved the manpower greatly. Through comparing two kinds of conveyor, for answering mountain area topography, tubular conveyor is more suitable for. The tubular conveying device has the advantages of flexible disassembly and assembly, small equipment volume and convenient transportation, and can flexibly disassemble and assemble the standard section to change the length of the conveying pipeline.
As shown in fig. 3, the raw material sieving device comprises a material sieving cylinder 21, a sieving cylinder rotating shaft 22, a cylinder bracket 23 and device supporting legs 24; the device supporting leg 24 is provided with a cylinder bracket 23; the cylinder bracket 23 is provided with a material screening cylinder 21; the screening cylinder rotating shaft 22 is arranged on the axis of the material screening cylinder 21.
As shown in fig. 4, the three material storehouses include a material storehouse 31, a material storehouse bracket 32, a control valve 33 and a control motor 34; the material warehouse support 32 is provided with a material warehouse 31, a control valve 33 is arranged at a discharge port of the material warehouse 31, and a control motor 34 is arranged on the control valve 33.
As shown in fig. 5, the three weighing hoppers comprise a hopper 41, a weighing platform 42, a gravity sensing device 43, a hopper bracket 44, a discharge pipe 45, a discharge port 46 and a discharge control motor 47; the hopper bracket 44 is provided with a weighing platform 42; the weighing platform 42 is provided with a hopper 41; a gravity sensing device 43 is arranged between the weighing platform 42 and the hopper bracket 44; a discharge pipeline 45 is arranged at the lower part of the hopper 41; a discharge port 46 is arranged on one side of the discharge pipeline 45, and a discharge control motor 47 is arranged on the other side of the discharge pipeline 45.
The water flow control pump is connected with the weighing hopper, when the weight of water reaches a preset value, the controller can issue a command of whether to stop the water pump to work or not through the on-off of a circuit digital signal, and then water can be added gradually in the stirring process.
And a stirring time control device is arranged on the stirring tank and used for controlling the stirring time. When constructors pour raw materials according to corresponding positions and meet set standards and matching specific weights, the device automatically pours sand, stones and water into a feeding hole of the stirring tank, and the stirring tank starts to stir. During the period, the stirring time control device of the controller locks the machine, and the situation that the concrete in the stirrer continues to be fed into the stirring tank when the stirring time of the concrete in the stirrer does not meet the regulation specification is prevented. The stirring time control device starts to lock the machine after the raw materials are fed into the three weighing hoppers, the machine is automatically unlocked after two minutes, and constructors can charge and pour materials next time. Therefore, the stirring time of the concrete is ensured to meet the requirements of the regulation specification.
The controller adopts a singlechip microprocessor controller which is an integrated chip. A large number of functional circuits are integrated on a silicon chip to form a microcomputer system, which is widely applied to various fields. It can perform various logic control functions. This is equivalent to a miniature computer device with the functions of most computers.
In the singlechip, various data acquisition and control systems can enable the singlechip to finish various complex operations, and the operations can be finished by the singlechip no matter control operation symbols or give operation instructions to the system. Therefore, the single chip microcomputer is fully applied to intelligent electronic equipment by virtue of a powerful data processing technology and a computing function of the single chip microcomputer. In a word, the singlechip is a chip, the chip forms a system, and the operation and processing capacity of data are integrated into the chip by applying an integrated circuit technology, so that high-speed data processing is realized.
The STM32 series of single-chip microcomputers can process 32-bit data, and obviously, the STM32 series of single-chip microcomputers have great advantages in operation speed. In the aspect of power consumption, the STM32 series single-chip microcomputer does not have the ultra-low power consumption mode of the 430 series single-chip microcomputer, but has the characteristics of low energy consumption and high performance. The invention mainly considers that the core board has good performance without considering the problem of low power consumption. In the aspect of programming, the STM32 series single-chip microcomputer has great advantages in the aspect of programming, has a program routine library, and has great advantages in the aspect of programming, and the time cost of a large number of designers can be saved by simpler programming. In terms of operation speed, the STM32 series single chip microcomputer is excellent in operation and processing speed, and is widely used for designing some high-speed and high-precision instruments and systems.
In the function of comprehensive application, STM32 series single-chip microcomputer is powerful in function and strong in data processing capacity. In the aspect of cost performance, the STM32 is distinguished in various single-chip microcomputers due to outstanding good performance indexes and strong functions. Moreover, STM32 series single-chip microcomputers have very strong compatibility and can be widely used in various applications. All working instructions operate the system device by means of logic control of the microcontroller of the single chip microcomputer.
The stirring device is characterized by also comprising a monitoring device, wherein the temperature monitoring device is arranged in the stirring tank. And measuring the temperature in the concrete stirring process through the temperature monitoring device. Because the quality and the intensity of concrete have certain influence because the temperature is too high or low, so can carry out real-time monitoring to the temperature of concrete mixing in-process through the device, with data feedback to microcontroller. The microcontroller makes a judgment through logic control, and only when stirring is carried out within a set temperature range, a command of stopping stirring is given to stirring when the stirring exceeds the range.
Example 2
An operation method of an intelligent mixing system for mountainous area concrete comprises the following steps:
step 1: the materials are conveyed to the raw material screening device through the material conveying device, and the conveying of the materials is controlled through the controller.
Step 2: in the raw material screening device, screening the raw materials conveyed by the material conveying device, screening stones and sands with the diameters meeting the requirements, and respectively entering three material storehouses; the diameter of the stones and the sands required by screening can be controlled by the controller according to actual requirements during design.
And step 3: and respectively storing the screened materials in three special material storehouses.
And 4, step 4: and simultaneously adding the cement into the three material storehouses, and storing the intermediate process in the three material storehouses.
And 5: controlling whether the materials in the three material storehouses can be put into the three weighing hoppers through the controller; and controlling stones, sands and cement in the three material storehouses to respectively enter the corresponding three weighing hoppers.
Step 6: controlling a water flow control pump to pump water into the three weighing hoppers; when the weight of water reaches a preset value, the controller issues a command of stopping the work of the water flow control pump through the on-off of a circuit digital signal, and then water can be added successively in the stirring process.
And 7: and stopping feeding the three weighing hoppers when all the materials meet the weight requirement.
And 8: when the weight of the materials in the hopper reaches a set value, the three weighing items are controlled by the controller, and then the materials are respectively fed into the stirring tank in sequence and start to be stirred.
And step 9: the stirring time control device is controlled by the controller, and pouring can be performed after the stirring is fully performed.
Example 3
Four independent three weighing hoppers are arranged at a material inlet of the cast-in-place concrete stirring tank, the weighing platform 42 arranged at the lower ends of the three weighing hoppers can weigh various materials, and when sand, stones, cement and water are poured into the corresponding three material storehouses by constructors according to regulations, the three weighing hoppers below the three material storehouses can detect and display the net weights of the sand, the stones, the cement and the water on a visual screen. The mix proportion numerical value in the construction scheme is led into the raw material net weight detection device, the actual net weight and the standard net weight can be displayed on a visual screen, constructors can correspondingly increase and decrease the use amount of each raw material according to the numerical value on the visual screen, and the device can carry out the next step when the set standard mix proportion is reached. Therefore, the control of the mixing ratio quality of the cast-in-place concrete is ensured. The control of the mix ratio can be adjusted by changing the reference value in the formula.
The concrete mixing proportion is calculated according to JGJ55-2000, and the method comprises the following steps:
step A: calculation of concrete formulation Strength
fcu,0≥fcu,k+1.645σ
In the formula:
fcu,0preparing strength, MPa, for concrete;
fcu,kthe standard value of the concrete cubic compressive strength is MPa;
sigma is the standard difference of concrete strength, MPa;
according to GB50204-1992, fcu,kWhen the pressure is lower than C20, the pressure is 4 Mpa; f. ofcu,kWhen the pressure is C20-C35, the sigma is 5 Mpa; f. ofcu,kAbove C35, σ is 6 MPa;
and B: calculating the water-cement ratio
fcu,0＝αafce(C/W-αb)
Figure BDA0003393781170000091
In the formula:
fcu,0preparing strength, MPa, for concrete;
fcemeasured strength of cement 28d, MPa;
αa，αbthe regression coefficient is related to the variety of the aggregate and the variety of the cement, and the numerical value can be obtained through tests;
according to JGJ55-2000, when crushed stone is used, alpha isa＝0.46，αb0.07; when pebbles are used, alphaa＝0.48，αb＝0.33；
And C: selected unit water consumption
mW0＝mW(1-δ)
In the formula:
mW0the unit water consumption of the concrete;
mWis the unit water consumption;
delta is the water reducing rate of the water reducing agent.
Step D: unit cement dosage
Figure BDA0003393781170000092
In the formula: m iscIs the unit cement dosage.
Step E: the flyash is used to replace 16.5% of cement, and its substitution coefficient is 1.3, so that it has
The cement dosage is as follows: m isc0＝mc×(1-16.5％)
The usage amount of the fly ash is as follows: m isf0＝mc×16.5％×λ
The dosage of the water reducing agent is as follows: m isFDN0＝(mc0+mf0)×CConcentration of water reducing agent
Step F: calculating the dosage of coarse and fine aggregates
mc0+mf0+ms0+mg0+mW0＝mcp
ms0/(ms0+mg0)×100％＝βs
In the formula: m iscpIs concrete unit volume weight; m iss0The amount of the fine aggregate is used; m isg0The dosage of the coarse aggregate; beta is asThe sand rate; the concrete mixing proportion is as follows: m isc0：ms0：mg0：mf0：mFDN0：mW0。
TABLE 1 concrete mix proportion table with reference numbers 1-5
Figure BDA0003393781170000101
TABLE 2 concrete mix proportion table with reference numbers 6-10
Figure BDA0003393781170000102
TABLE 3 concrete mixing ratio table with 11-14 reference numbers
Figure BDA0003393781170000111
TABLE 4 concrete mixing ratio table with 15-19 reference numbers
Figure BDA0003393781170000112
TABLE 5 concrete mix proportion table with 20-24 designations
Figure BDA0003393781170000121
TABLE 6 concrete mixing ratio table with reference numbers 25-29
Figure BDA0003393781170000122
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (10)

1. The utility model provides a mountain area concrete intelligence mixing system which characterized in that includes: the device comprises a material conveying device, a raw material screening device, three material storehouses, three weighing hoppers, a stirring tank, a water flow control pump and a controller; the material conveying device is connected with the raw material screening device; the raw material screening device is connected with the three material storehouses; the three material storehouses are connected with three weighing hoppers; the discharge port of the three weighing hoppers is connected with the stirring tank; the water flow control pump is connected with the stirring tank; the material conveying device, the raw material screening device, the three material storehouses, the three weighing hoppers, the stirring tank and the water flow control pump are respectively connected with the controller.
2. The intelligent mixing system for the mountainous area concrete as claimed in claim 1, wherein the material conveying device comprises a spiral conveying belt (11) and a tubular conveying pipeline (12); the spiral conveyer belt (11) is arranged in the tubular conveying pipeline (12).
3. The intelligent mixing system for the mountainous area concrete as claimed in claim 1, wherein the raw material screening device comprises a material screening drum (21), a screening drum rotating shaft (22), a drum support (23) and a device leg (24); a cylinder bracket (23) is arranged on the device supporting leg (24); a material screening drum (21) is arranged on the drum bracket (23); the screening cylinder rotating shaft (22) is arranged on the central axis of the material screening cylinder (21).
4. The intelligent mixing system for the mountainous area concrete according to claim 1, wherein the three material storehouses comprise a material storehouse (31), a material storehouse bracket (32), a control valve (33) and a control motor (34); the material warehouse support (32) is provided with a material warehouse (31), the control valve (33) is arranged at the discharge port of the material warehouse (31), and the control motor (34) is arranged on the control valve (33).
5. The mountain concrete intelligent mixing system according to claim 1, wherein the three weighing hoppers comprise a hopper (41), a weighing platform (42), a gravity sensing device (43), a hopper support (44), a discharge pipeline (45), a discharge port (46) and a discharge control motor (47); a weighing platform (42) is arranged on the hopper bracket (44); a hopper (41) is arranged on the weighing platform (42); a gravity sensing device (43) is arranged between the weighing platform (42) and the hopper bracket (44); a discharge pipeline (45) is arranged at the lower part of the hopper (41); a discharge hole (46) is arranged on one side of the discharge pipeline (45), and a discharge control motor (47) is arranged on the other side of the discharge pipeline (45).
6. The intelligent mixing system for the mountainous area concrete as claimed in claim 1, wherein the controller is a single-chip microcomputer controller.
7. The intelligent mixing system for mountain concrete according to claim 1, wherein a mixing time control device is arranged on the mixing tank for controlling the mixing time.
8. An operation method of the intelligent mixing system for the mountainous area concrete, which is based on any one of claims 1 to 7, and comprises the following steps:
step 1: firstly, materials are conveyed to a raw material screening device through a material conveying device, and the conveying of the materials is controlled through a controller;
step 2: in the raw material screening device, screening the raw materials conveyed by the material conveying device;
and step 3: storing the screened materials in three special material storehouses respectively;
and 4, step 4: simultaneously adding cement into the three material storehouses, and storing the intermediate process in the three material storehouses;
and 5: controlling stones, sands and cement in the three material storehouses to respectively enter the corresponding three weighing hoppers through a controller;
step 6: controlling a water flow control pump to pump water into the three weighing hoppers;
and 7: stopping feeding the three weighing hoppers when all the materials meet the weight requirement;
and 8: respectively feeding the materials in the three weighing hoppers into a stirring tank in sequence and starting stirring under the control of a controller;
and step 9: and controlling a stirring time control device through a controller, and pouring after sufficient stirring.
9. The operation method of the intelligent mixing system for the mountainous area concrete according to claim 8, wherein the step 2 further comprises: screening out stones and sands, and respectively entering three material storehouses; the diameter of the sieved stones and sands is controlled by a controller.
10. The operation method of the intelligent mixing system for the mountainous area concrete according to claim 8, wherein the step 6 further comprises: the controller controls the water flow control pump to add water gradually in the stirring process.
CN202111476806.4A 2021-12-02 2021-12-02 Intelligent mixing system for mountainous concrete and operation method Pending CN114147861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111476806.4A CN114147861A (en) 2021-12-02 2021-12-02 Intelligent mixing system for mountainous concrete and operation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111476806.4A CN114147861A (en) 2021-12-02 2021-12-02 Intelligent mixing system for mountainous concrete and operation method

Publications (1)

Publication Number Publication Date
CN114147861A true CN114147861A (en) 2022-03-08

Family

ID=80452900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111476806.4A Pending CN114147861A (en) 2021-12-02 2021-12-02 Intelligent mixing system for mountainous concrete and operation method

Country Status (1)

Country Link
CN (1) CN114147861A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2046433U (en) * 1989-01-28 1989-10-25 中国有色金属工业总公司第三建设公司第一工程公司 Midget moving type automatic batching machine for concret sandstone
CN101879755A (en) * 2010-06-21 2010-11-10 无锡江加建设机械有限公司 Drying-free dry-mixed mortar complete equipment
CN105690568A (en) * 2016-03-10 2016-06-22 湖州中辰建设有限公司 Automatic proportioning system of concrete mixing station
CN105922449A (en) * 2016-06-17 2016-09-07 佛山市联智新创科技有限公司 Multi-stirring-tank concrete production device
CN106182437A (en) * 2016-07-04 2016-12-07 东北大学 A kind of cement sand and gravel mixing apparatus and method
CN206277510U (en) * 2016-12-22 2017-06-27 中国化学工程第三建设有限公司 A kind of metering device for simple mixing plant
CN107053483A (en) * 2017-01-26 2017-08-18 北京鑫源诺美环保科技有限责任公司 Asphalt concrete mixer sunk type technology arrangement
CN208359077U (en) * 2018-01-30 2019-01-11 赣州中砼机械有限公司 Integrated concrete mixing plant
CN109834843A (en) * 2019-04-11 2019-06-04 咸阳天力商品混凝土有限公司 A kind of concrete production system
CN109910173A (en) * 2019-04-15 2019-06-21 奉节县邬家沟建材有限公司 A kind of making coal gangue brick mixing equipment with automatic sieving function
CN210161401U (en) * 2019-01-28 2020-03-20 科之杰新材料集团有限公司 Device for on-line monitoring of concrete performance and real-time adjustment of mix proportion
CN213763140U (en) * 2020-11-16 2021-07-23 马玲玲 Concrete grit separating centrifuge
CN113618929A (en) * 2021-08-06 2021-11-09 成都大宏立机器股份有限公司 Green intelligent integrated mill

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2046433U (en) * 1989-01-28 1989-10-25 中国有色金属工业总公司第三建设公司第一工程公司 Midget moving type automatic batching machine for concret sandstone
CN101879755A (en) * 2010-06-21 2010-11-10 无锡江加建设机械有限公司 Drying-free dry-mixed mortar complete equipment
CN105690568A (en) * 2016-03-10 2016-06-22 湖州中辰建设有限公司 Automatic proportioning system of concrete mixing station
CN105922449A (en) * 2016-06-17 2016-09-07 佛山市联智新创科技有限公司 Multi-stirring-tank concrete production device
CN106182437A (en) * 2016-07-04 2016-12-07 东北大学 A kind of cement sand and gravel mixing apparatus and method
CN206277510U (en) * 2016-12-22 2017-06-27 中国化学工程第三建设有限公司 A kind of metering device for simple mixing plant
CN107053483A (en) * 2017-01-26 2017-08-18 北京鑫源诺美环保科技有限责任公司 Asphalt concrete mixer sunk type technology arrangement
CN208359077U (en) * 2018-01-30 2019-01-11 赣州中砼机械有限公司 Integrated concrete mixing plant
CN210161401U (en) * 2019-01-28 2020-03-20 科之杰新材料集团有限公司 Device for on-line monitoring of concrete performance and real-time adjustment of mix proportion
CN109834843A (en) * 2019-04-11 2019-06-04 咸阳天力商品混凝土有限公司 A kind of concrete production system
CN109910173A (en) * 2019-04-15 2019-06-21 奉节县邬家沟建材有限公司 A kind of making coal gangue brick mixing equipment with automatic sieving function
CN213763140U (en) * 2020-11-16 2021-07-23 马玲玲 Concrete grit separating centrifuge
CN113618929A (en) * 2021-08-06 2021-11-09 成都大宏立机器股份有限公司 Green intelligent integrated mill

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
舒怀珠，黄清林，覃立香: "《建设工程质量检测技术 第1册》", 中国矿业大学出版社, pages: 188 - 192 *

Similar Documents

Publication Publication Date Title
CA2357622C (en) Concrete recovery system
CN108115833B (en) A kind of Multi-stage stirring formula concrete central mix plant
CN209257239U (en) The full-automatic feed proportioning system of concrete
CN105690568A (en) Automatic proportioning system of concrete mixing station
CN212096940U (en) Integrated folding foundation-free concrete mixing station and frame thereof
CN212948498U (en) Integrated folding type vehicle-mounted mobile mixing station and main supporting frame and conveying device thereof
CN105710973B (en) A kind of system and method for preparing dry-mixed mortar
CN204640536U (en) A kind of lightweight aggregate concrete production system
CN108015903A (en) The method and device that a kind of mortar cementing tank automatically controls
JP7145171B2 (en) Mixture generation system
CN112388832A (en) Automatic metering device for premixed concrete aggregate and operation method
CN205521961U (en) Concrete mixing plant's automatic blending system
CN112976315B (en) Dry-mixed mortar production system
CN104857888A (en) Automatic batching system
CN113441053A (en) Program-controlled intelligent dry-wet separation type polycarboxylic acid series high-performance water reducer compounding device
JP2015063884A (en) Construction method with special concrete
CN203418639U (en) Inorganic fireproof insulation board production line
CN114147861A (en) Intelligent mixing system for mountainous concrete and operation method
CN207736527U (en) A kind of device that mortar cementing tank automatically controls
CN218659753U (en) Green high performance concrete's field is mixed and construction integration production line
CN206614685U (en) A kind of continous way premixing LINTEC CSD2500
CN205997172U (en) High pressure spray type concrete mixing device and concrete preparation transport vehicle
CN211640497U (en) Premixed concrete feeding system
CN204933388U (en) A kind of automatic batching system
CN110861216A (en) Production method of concrete mixing plant

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination