CN220741700U - Cement ash and slag micropowder quantitative mixing conveying system - Google Patents

Abstract

The utility model relates to a quantitative mixing and conveying system for cement ash and slag micropowder, which comprises a cement ash tank, a slag micropowder tank and a storage bin, wherein a conveying assembly is arranged on the storage bin, the conveying assembly comprises a conveying pipe, a helical blade and a conveying motor, a fixing frame is arranged on one side of the storage bin, the conveying pipe is connected to the fixing frame, a feeding channel and a discharging channel are arranged on the conveying pipe, the discharging channel is communicated with the storage bin, a rotating shaft is rotationally connected to the conveying pipe, the helical blade is connected to the rotating shaft, the conveying motor is connected to one end of the conveying pipe and is coaxially connected to the rotating shaft, a first conveying part for conveying cement ash is arranged on the cement ash tank, a second conveying part for conveying slag micropowder is arranged on the slag micropowder tank, and the discharging port of the first conveying part and the discharging port of the second conveying part face the feeding channel. The utility model has the effect of improving the cement production efficiency.

Description

Cement ash and slag micropowder quantitative mixing conveying system

Technical Field

The utility model relates to the technical field of cement production, in particular to a quantitative mixing and conveying system for cement ash and slag micropowder.

Background

The slag micropowder is mainly used for mixing in cement and adding in commercial concrete, and has the main effects of improving the early strength of cement and concrete and improving certain characteristics (such as easy mixing, early strength improvement, reduction and the like) of the concrete. In order to mix the slag powder and the cement ash more uniformly, a device for mixing the slag powder and the cement ash is required to be added.

The Chinese patent with the publication number of CN211246378U discloses slag micropowder conveying and adding equipment for cement production, which comprises a box body, a storage tank and spiral blades, wherein the storage tank and the spiral blades are arranged in the box body, and the storage tank is fixedly arranged in the box body and is internally provided with a stirring assembly in a rotating way; the spiral blade is rotatably arranged on the box body through a spiral rotating shaft fixedly connected with the spiral blade and positioned below the storage tank, the feeding end of the spiral blade corresponds to a conveying hopper arranged at the bottom of the storage tank, and the discharging end of the spiral blade corresponds to a cement production device arranged at the bottom of the box body; the box body is also provided with a third motor for driving the spiral rotating shaft to rotate and is positioned above the discharge end. According to the utility model, the stirring assembly and the screening plate are adopted, so that slag micropowder can be prevented from accumulating and agglomerating at the bottom of the storage tank, slag in the slag micropowder can be screened out, and the cement processing quality is improved; and a weighing hopper with a weight sensor is adopted to accurately control the weight of the added slag micropowder.

Aiming at the related technology, the conveying and adding equipment in the prior art stirs and sieves slag micro powder, and finally the slag micro powder is conveyed into cement, however, in the subsequent working procedure, workers also need to uniformly mix the slag micro powder with the cement by using equipment, so that the mechanical property of a cement finished product in the subsequent use is guaranteed, the mixing working procedure and the conveying working procedure are separately carried out, the production cost of the cement is obviously increased, the production time of the cement is prolonged, and a device combining conveying and mixing is required to be developed, so that the production efficiency of the cement is improved.

Disclosure of Invention

In order to improve the production efficiency of cement, the application provides a cement ash and slag micropowder quantitative mixing conveying system.

The application provides a cement ash and slag micropowder ration mixing conveying system adopts following technical scheme:

the utility model provides a cement ash and slag miropowder ration mixing conveying system, includes cement ash jar, slag miropowder jar and storage silo, be provided with conveying assembly on the storage silo, conveying assembly includes conveyer pipe, helical blade and conveying motor, one side of storage silo is provided with the mount, the conveyer pipe is connected on the mount, be provided with feed channel and discharge channel on the conveyer pipe, the discharge channel intercommunication the storage silo, the conveyer pipe internal rotation is connected with the axis of rotation, helical blade connects in the axis of rotation, conveying motor connects the one end of conveyer pipe, and coaxial coupling in the axis of rotation, be provided with the first conveying piece of carrying cement ash on the cement ash jar, be provided with the second conveying piece of carrying slag miropowder on the slag miropowder jar, the discharge gate of first conveying piece with the discharge gate of second conveying piece all is directed towards feed channel.

Through adopting above-mentioned technical scheme, when carrying cement ash and slag miropowder, the staff utilizes first transport piece to carry cement ash to feed channel in, utilizes the second to carry the piece to carry slag miropowder to feed channel in, starts conveying motor afterwards, drives the axis of rotation and rotates, makes helical blade rotate, and mix cement ash and slag miropowder tumbling to in carrying the compounding to the storage silo, supply the staff to take at any time, realized carrying cement ash and slag miropowder's effect. The staff utilizes helical blade to carry cement ash and slag micropowder, makes cement ash and slag micropowder roll constantly and turn over when carrying, reaches the purpose of compounding stirring to this use that can omit the compounding equipment has shortened cement manufacture's time, has reduced cement manufacture's cost, has improved cement's production efficiency.

Optionally, the first conveying member and the second conveying member are both screw conveyors, an electric cabinet is arranged on one side of the cement ash tank, and the first conveying member, the second conveying member and the conveying motor are all electrically connected to the electric cabinet.

Through adopting above-mentioned technical scheme, because the material of helical blade single section propelling movement in the screw conveyer is even, the staff can be through the delivery time of electric cabinet control first conveying piece and second conveying piece to this is the delivery of control cement ash and slag miropowder, further improves the accuracy of the delivery ratio between cement ash and the slag miropowder.

Optionally, be provided with the grinding subassembly on the feed channel, the grinding subassembly includes grinding case, grinding roller and grinding motor, the grinding case is connected on the feed channel, be provided with first passageway and second passageway in the grinding case, first passageway intercommunication first conveying part, second passageway intercommunication second conveying part, the grinding roller be in first passageway with the second passageway all sets up a set of, a set of the grinding roller sets up two, two through two meshed gear drive between the grinding roller, the grinding motor is connected on the grinding case, and coaxial coupling in one of them the grinding roller, the grinding motor be connected in the electric cabinet.

By adopting the technical scheme, when the cement ash is stored, the cement ash is easy to agglomerate due to the reason of humidity, a block body is formed, and slag micropowder can be agglomerated in the same way. During grinding, a worker starts two grinding motors, so that two groups of grinding rollers are started simultaneously, and the block bodies in the ground cement ash and slag micropowder are ground, so that the cement ash and slag micropowder form particles as much as possible. The grinding component is used for reducing the possibility of caking in cement ash and slag micropowder, and can enable the cement ash and slag micropowder to be mixed with each other better.

Optionally, a heating cavity is formed in the grinding roller, a plurality of electric heating wires are connected to the inner wall of the heating cavity, and the electric heating wires are electrically connected to the electric cabinet.

Through adopting above-mentioned technical scheme, the electric heater strip is used for heating the grinding roller, makes cement ash or slag miropowder through the grinding roller be heated to reduce the humidity in cement ash or the slag miropowder, further reduced the possibility that cement ash or slag miropowder agglomerate.

Optionally, still be provided with in the grinding case and air-dry the subassembly, it includes air heater, servo motor and rotor plate to air-dry the subassembly, it is connected with two connecting rods to grind the incasement rotation, two the connecting rod passes through two meshed gear drive, servo motor connects grind on the case, and coaxial coupling in one of them the connecting rod, rotor plate with the connecting rod is connected, two the rotor plate blocks grind the discharge gate of case, the air heater is connected grind on the case, the air heater air outlet orientation rotor plate.

Through adopting above-mentioned technical scheme, when air-drying cement ash, the staff utilizes servo motor intermittent type adjustment rotation board's angle, makes cement ash temporarily blocked by the rotation board, and the restart air heater is dried cement ash through hot-blast, has further reduced the humidity of cement ash, has reduced the possibility of cement ash caking, and the same reason air-dries the slay miropowder.

Optionally, a duckbill nozzle is connected to the air outlet of the air heater.

Through adopting above-mentioned technical scheme, duckbill shower nozzle is used for concentrating the air-out direction of air heater, and has increased hot-blast pressure simultaneously, makes cement ash or slag miropowder more air-dried.

Optionally, a pneumatic conveyor is arranged on one side of the storage bin, the discharging channel is communicated with the pneumatic conveyor, and the pneumatic conveyor is communicated with the storage bin.

Through adopting above-mentioned technical scheme, pneumatic conveyor is used for assisting to carry the compounding to the storage silo, and the compounding is when being carried simultaneously with the state motion of gas-solid two-phase flow, has played the effect of supplementary stirring compounding, makes cement ash and further evenly mixing of slay miropowder.

Optionally, a guide plate is connected to the top of the grinding box.

Through adopting above-mentioned technical scheme, the guide plate is used for assisting cement ash or slag miropowder and gets into the grinding incasement, has reduced cement ash or slag miropowder and has fallen the possibility outside the grinding case.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when carrying cement ash and slag miropowder, the staff utilizes first transport piece to carry cement ash to feed channel in, utilizes the second transport piece to carry slag miropowder to feed channel in, starts conveyor motor afterwards, drives the axis of rotation and rotates, makes helical blade rotate, rolls cement ash and slag miropowder and mixes to in carrying the compounding to the storage silo, supply the staff to take at any time, realized carrying the effect of cement ash and slag miropowder. The cement ash and slag micropowder are conveyed by the helical blades by workers, so that the cement ash and slag micropowder roll over continuously during conveying, and the aim of mixing and stirring is fulfilled, so that the use of mixing equipment can be omitted, the cement production time is shortened, the cement production cost is reduced, and the cement production efficiency is improved;

2. when the cement ash is stored, the cement ash is easy to agglomerate due to the reason of humidity, a block body is formed, and slag micropowder can be agglomerated in the same way. During grinding, a worker starts two grinding motors, so that two groups of grinding rollers are started simultaneously, and the block bodies in the ground cement ash and slag micropowder are ground, so that the cement ash and slag micropowder form particles as much as possible. The grinding component is used for reducing the possibility of caking in cement ash and slag micropowder, so that the cement ash and the slag micropowder can be better mixed with each other;

3. when the cement ash is dried, a worker intermittently adjusts the angle of the rotating plate by using the servo motor, so that the cement ash is temporarily blocked by the rotating plate, then the hot air machine is started, the cement ash is dried by hot air, the humidity of the cement ash is further reduced, the possibility of caking of the cement ash is reduced, and the slag micro powder is dried in the same way.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a quantitative mixing and conveying system for cement ash and slag micropowder in an embodiment of the present application.

Fig. 2 is a schematic structural view of a conveying assembly according to an embodiment of the present application.

Fig. 3 is a schematic view of the structure of the air dryer assembly and the abrasive assembly in an embodiment of the present application.

Fig. 4 is a cross-sectional view of an embodiment of the present application for embodying the abrasive roll structure.

Fig. 5 is a schematic view of the structure of the grinding roll and the rotating plate in the embodiment of the present application.

Fig. 6 is a cross-sectional view of a structure used to embody an air drying assembly and an abrasive assembly in an embodiment of the present application.

Reference numerals illustrate: 1. a cement ash tank; 11. a first conveying member; 2. a slag micropowder tank; 21. a second conveying member; 3. a storage bin; 31. a level gauge; 4. a pneumatic conveyor; 5. a gas storage tank; 6. a transport assembly; 61. a delivery tube; 611. a feed channel; 612. a discharge channel; 62. a helical blade; 63. a conveying motor; 631. a frequency converter; 7. an electric control box; 8. a grinding assembly; 81. a grinding box; 811. a material guiding plate; 812. a first channel; 813. a second channel; 82. a grinding roller; 821. a heating chamber; 822. an electric heating wire; 83. a grinding motor; 9. air-drying the assembly; 91. an air heater; 911. duckbill spray head; 92. a servo motor; 93. and rotating the plate.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a quantitative mixing and conveying system for cement ash and slag micropowder. Referring to fig. 1, the quantitative mixing and conveying system for cement ash and slag micropowder comprises a cement ash tank 1, a slag micropowder tank 2 and a storage bin 3. One side of the storage bin 3 is provided with a pneumatic conveyor 4 and an air storage tank 5, the air storage tank 5 is communicated with the pneumatic conveyor 4, the air storage tank 5 is used for supplying air to the pneumatic conveyor 4, and the outlet end of the pneumatic conveyor 4 is communicated with the storage bin 3.

Referring to fig. 1 and 2, one side of the pneumatic conveyor 4 is provided with a conveying assembly 6, and the conveying assembly 6 includes a conveying pipe 61, a helical blade 62, and a conveying motor 63. One side of the cement ash tank 1 is provided with a fixing frame, and a conveying pipe 61 is fixedly connected to the fixing frame. The conveying pipe 61 is fixedly connected with a feeding channel 611 and a discharging channel 612, and the discharging channel 612 is communicated with the inlet end of the pneumatic conveyor 4.

Referring to fig. 1 and 2, the conveyer pipe 61 is rotationally connected with the axis of rotation, helical blade 62 fixed connection is in the axis of rotation, and conveyer motor 63 fixed connection is in the one end of conveyer pipe 61, and coaxial coupling is in the axis of rotation, fixedly connected with converter 631 on the conveyer motor 63, one side of gas holder 5 is provided with electric cabinet 7, and converter 631 electricity is connected in electric cabinet 7, and converter 631 is used for the operation data of accurate control conveyer motor 63, can further accurate control compounding's transportation volume. The storage bin 3 is provided with a level gauge 31, and the level gauge 31 is electrically connected to the electric cabinet 7.

Referring to fig. 1 and 2, a first conveying member 11 is disposed on a cement ash tank 1, a second conveying member 21 is disposed on a slag micropowder tank 2, in this embodiment, the first conveying member 11 and the second conveying member 21 are screw conveyors, discharge ports of the first conveying member 11 and the second conveying member 21 face a feed channel 611, and the first conveying member 11 and the second conveying member 21 are electrically connected to an electric cabinet 7.

When the mixed material in the storage bin 3 is lowered to the height of the material level indicator 31, the material level indicator 31 sends an electric signal to the electric cabinet 7 so as to start the first conveying part 11 to convey cement ash into the feeding channel 611, then start the second conveying part 21 to convey slag micro powder into the feeding channel 611, start the conveying motor 63 to drive the rotating shaft to rotate, enable the spiral blade 62 to rotate, mix and roll the cement ash and the slag micro powder, convey the mixed material into the pneumatic conveyor 4, convey the mixed material into the storage bin 3 through the pneumatic conveyor 4, and enable staff to take the mixed material at any time.

Referring to fig. 1, 3 and 4, in order to make the cement ash and the slag micropowder mix more uniformly, a grinding assembly 8 is provided on the feed channel 611, and the grinding assembly 8 includes a grinding box 81, a grinding roller 82 and a grinding motor 83. The grinding box 81 is fixedly connected to the feeding channel 611, the top end and the bottom end of the grinding box 81 are provided with openings, the top end of the grinding box 81 is fixedly connected with a guiding plate 811, and the guiding plate 811 is used for guiding cement ash and slag micropowder to enter the grinding box 81. A first channel 812 and a second channel 813 are arranged in the grinding box 81, the first channel 812 is located under the discharge port of the first conveying member 11, and the second channel 813 is located under the discharge port of the second conveying member 21.

Referring to fig. 4 and 5, the grinding rollers 82 are disposed in one set in each of the first passage 812 and the second passage 813, and one set of the grinding rollers 82 is disposed in two, and the two grinding rollers 82 are driven by two gears engaged with each other. The grinding roller 82 is formed by fixedly connecting two half rollers, a heating cavity 821 is arranged in the grinding roller 82, and a plurality of electric heating wires 822 are fixedly connected to the inner wall surface of the heating cavity 821. The grinding motor 83 is fixedly connected to the grinding box 81 and is coaxially connected to one of the grinding rollers 82, and the grinding motor 83 and the electric heating wire 822 are electrically connected to the electric cabinet 7.

Referring to fig. 4, 5 and 6, an air drying assembly 9 is further provided in the grinding box 81, and the air drying assembly 9 includes a hot air blower 91, a servo motor 92 and a rotating plate 93. Two connecting rods are connected in a rotating manner in the grinding box 81, two connecting rods are driven by gears meshed with each other, and a servo motor 92 is fixedly connected to the grinding box 81 and is coaxially connected to one of the connecting rods. One end of the rotating plate 93 is fixedly connected to the connecting rod, and the two rotating plates 93 block the discharge port of the grinding box 81. The air heater 91 is fixedly connected to the grinding box 81, the air outlet of the air heater 91 is communicated with the inside of the grinding box 81, the duckbill spray head 911 is fixedly connected to the air outlet of the air heater 91, the duckbill spray head 911 faces the rotating plate 93, and the air heater 91 and the grinding motor 83 are electrically connected to the electric cabinet.

When the cement ash and slag micropowder are air-dried, a worker starts the grinding motor 83 through the electric cabinet to drive the grinding roller 82 to rotate, so that the cement ash and slag micropowder is crushed, and is heated simultaneously, the cement ash and slag micropowder fall on the rotating plate 93, the hot air blower 91 is controlled to start, hot air is blown to the cement ash and slag micropowder through the duckbill spray nozzle 911, and finally the air-drying motor is started to rotate the rotating plate 93, so that the cement ash and slag micropowder fall into the feeding channel 611, and the effect of air-drying the cement ash and slag micropowder is realized.

The implementation principle of the quantitative mixing and conveying system for cement ash and slag micropowder of the embodiment of the application is as follows: when the staff takes the mixed materials in the storage bin 3, the horizontal plane of the mixed materials descends until touching the material level indicator 31, the material level indicator 31 sends an electric signal to the control system, the first conveying part 11 and the second conveying part 21 are started, cement ash and slag micropowder are conveyed into the grinding box 81, the grinding motor 83 is started to drive the grinding roller 82 to rotate so as to grind and heat the cement ash and slag micropowder, the cement ash and slag micropowder fall on the rotating plate 93, the hot air blower 91 is started, hot air is blown to the cement ash and slag micropowder through the duckbill nozzle 911, the servo motor 92 is started again to drive the rotating plate 93 to rotate, the cement ash and slag micropowder fall into the conveying pipe 61, the conveying motor 63 is started through the frequency converter 631 to drive the rotating shaft to rotate, the spiral blade 62 is driven to roll and mix the cement ash and slag micropowder, finally the mixed materials are conveyed into the pneumatic conveyor 4, and finally the pneumatic conveyor 4 is started to convey the mixed materials into the storage bin 3, and the effect of quantitatively mixing and conveying the cement ash and slag micropowder is achieved.

The staff utilizes helical blade 62 to carry cement ash and slag micropowder, makes cement ash and slag micropowder roll constantly and turn over when carrying, reaches the purpose of compounding stirring to this can omit the use of compounding equipment, has shortened cement manufacture's time, has reduced cement manufacture's cost, has improved cement's production efficiency.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A quantitative mixing and conveying system for cement ash and slag micropowder is characterized in that: including cement ash jar (1), slag miropowder jar (2) and storage silo (3), be provided with conveying assembly (6) on storage silo (3), conveying assembly (6) are including conveyer pipe (61), helical blade (62) and conveying motor (63), one side of storage silo (3) is provided with the mount, conveyer pipe (61) are connected on the mount, be provided with feed channel (611) and discharge channel (612) on conveyer pipe (61), discharge channel (612) intercommunication storage silo (3), conveyer pipe (61) internal rotation is connected with the axis of rotation, helical blade (62) are connected in the axis of rotation, conveying motor (63) connect conveyer pipe (61) one end, and coaxial coupling in the axis of rotation, be provided with on cement ash jar (1) and carry first conveying member (11) of cement ash, be provided with on slag jar (2) and carry second conveying member (21) of slag miropowder, the discharge gate of first conveying member (11) with second conveying member (21) all face to discharge channel (611).

2. The quantitative cement ash and slag micropowder mixing and conveying system according to claim 1, wherein: the cement ash tank is characterized in that the first conveying part (11) and the second conveying part (21) are screw conveyors, an electric cabinet (7) is arranged on one side of the cement ash tank (1), and the first conveying part (11), the second conveying part (21) and the conveying motor (63) are electrically connected to the electric cabinet (7).

3. The quantitative cement ash and slag micropowder mixing and conveying system according to claim 2, wherein: be provided with grinding assembly (8) on feed channel (611), grinding assembly (8) are including grinding case (81), grinding roller (82) and grinding motor (83), grinding case (81) are connected on feed channel (611), be provided with first passageway (812) and second passageway (813) in grinding case (81), first passageway (812) intercommunication first conveying member (11), second passageway (813) intercommunication second conveying member (21), grinding roller (82) are in first passageway (812) with second passageway (813) all set up a set of, a set of grinding roller (82) set up two, two through the gear drive of two meshing between grinding roller (82), grinding motor (83) are connected on grinding case (81), and coaxial coupling in one of them grinding roller (82), grinding motor (83) electricity be connected in electric cabinet (7).

4. A cement ash and slag micropowder quantitative mixing and conveying system according to claim 3, characterized in that: the grinding roller (82) is internally provided with a heating cavity (821), the inner wall of the heating cavity (821) is connected with a plurality of electric heating wires (822), and the electric heating wires (822) are electrically connected to the electric cabinet (7).

5. A cement ash and slag micropowder quantitative mixing and conveying system according to claim 3, characterized in that: still be provided with in grinding case (81) and air-dry subassembly (9), air-dry subassembly (9) include air heater (91), servo motor (92) and rotor plate (93), grind case (81) internal rotation and be connected with two connecting rods, two the connecting rod is through two engaged gear, servo motor (92) are connected on grinding case (81), and coaxial coupling in one of them connecting rod, rotor plate (93) with the connecting rod is connected, two rotor plate (93) block the discharge gate of grinding case (81), air heater (91) are connected on grinding case (81), air heater (91) air outlet orientation rotor plate (93).

6. The quantitative cement ash and slag micropowder mixing and conveying system according to claim 5 is characterized in that: and a duckbill nozzle (911) is connected at the air outlet of the air heater (91).

7. The quantitative cement ash and slag micropowder mixing and conveying system according to claim 1, wherein: one side of the storage bin (3) is provided with a pneumatic conveyor (4), the discharging channel (612) is communicated with the pneumatic conveyor (4), and the pneumatic conveyor (4) is communicated with the storage bin (3).

8. A cement ash and slag micropowder quantitative mixing and conveying system according to claim 3, characterized in that: the top end of the grinding box (81) is connected with a material guiding plate (811).