Waste concrete micro-powder activating and mixing device

Abstract

The utility model discloses a waste concrete micro-powder activating and mixing device which comprises a premixing kiln body which is movably arranged between two support frames and is used for mixing waste concrete micro-powder and an activating agent; and the driving mechanism is fixedly installed on the side face of the premixing kiln body and used for driving the premixing kiln body to rotate so that the waste concrete micro powder entering the premixing kiln body can be mixed with an activating agent. A driving mechanism is arranged on the outer side of a premixing kiln body on the waste concrete micro-powder activating and mixing device, so that a first rotating driving part on the driving mechanism drives a rotating shaft to rotate, a plurality of first gears which are mounted on the rotating shaft in parallel and at intervals rotate, and second gears which are in meshed connection with the first gears rotate synchronously; the premixing kiln body fixedly provided with a plurality of second gears is rotated, so that the waste concrete micro powder entering the premixing kiln body is rotationally mixed with the activating agent, and the activating efficiency and the activating quality of the waste concrete micro powder are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete regeneration, in particular to a waste concrete micro-powder activation mixing device. Background Art

[0002] With the acceleration of urbanization and industrialization in my country, many buildings have been demolished and rebuilt. Most of these buildings are made of concrete. The traditional method is to pile them up or landfill them, which not only occupies a lot of arable land, but also pollutes the environment. In addition, the discarded concrete contains a large amount of aggregates, which can easily cause a waste of resources if discarded.

[0003] However, in the process of recycling and regenerating waste concrete, a large amount of waste concrete powder will be generated, which cannot be used. It is necessary to activate the waste concrete powder and add an activator to stimulate the activity of the waste concrete powder to improve the recycling efficiency of waste concrete.

[0004] In the existing waste concrete powder activation process, it needs to be mixed with sodium silicate powder and activator powder in sequence. The existing mixing device mixes the powder through a stirring rod, and the mixing efficiency is low and the mixing is uneven, which affects the activation efficiency and quality of the waste concrete powder. Utility Model Content

[0005] In view of the above-mentioned defects or shortcomings in the prior art, it is desired to provide a waste concrete micropowder activation mixing device to solve the technical problem that in the existing waste concrete micropowder activation process, it needs to be mixed with sodium silicate powder and activator powder in sequence, and the existing mixing device mixes the powder through a stirring rod, resulting in low mixing efficiency and uneven mixing, which affects the activation efficiency and activation quality of the waste concrete micropowder.

[0006] According to the technical solution provided in the embodiment of the present application, the waste concrete fine powder activation mixing device includes a pre-mixing kiln body, which is movably installed between two support frames and is used for mixing waste concrete fine powder with an activator;

[0007] A driving mechanism, which is fixedly mounted on the side of the premixing kiln body and is used to drive the premixing kiln body to rotate so that the waste concrete powder entering the premixing kiln body is mixed with the activator;

[0008] The stirring mechanism is rotatably installed inside the premixing kiln body, so that a plurality of stirring rods installed on the stirring mechanism can perform secondary mixing on the waste concrete fine powder and the activator in the premixing kiln body.

[0009] Furthermore, the driving mechanism includes a first rotating driving member, a rotating shaft, a plurality of first gears and a plurality of second gears, the plurality of second gears are fixedly mounted on the outside of the premixing kiln body, and each of the second gears is meshed and connected with each of the first gears, a plurality of the first gears are fixedly mounted on the rotating shaft in parallel and at intervals, and the rotating shaft is fixedly connected to the output end of the first rotating driving member, so that the first rotating driving member drives the premixing kiln body to rotate.

[0010] Furthermore, a plurality of the second gears are fixedly installed on the premixing kiln body in parallel and at intervals.

[0011] Furthermore, a conveying plate is fixedly installed inside the premixing kiln body, and the conveying plate is a spiral structure plate used for conveying the waste concrete powder and the activator inside the premixing kiln body.

[0012] Furthermore, the stirring mechanism includes a second rotating driving member, a driving rod and a plurality of stirring rods, wherein the plurality of stirring rods are fixedly installed on the driving rod in parallel and at intervals, and the driving rod is fixedly connected to the output end of the second rotating driving member so that the second rotating driving member drives the plurality of stirring rods to rotate.

[0013] Furthermore, the stirring rod is composed of a plurality of support rods and a plurality of groups of brushes, each of the brushes is fixedly mounted on the top of each support rod, and a plurality of support rods are evenly mounted on the driving rod, so that the brushes mounted on the support rods can stir the waste concrete powder and activator inside the premixed kiln body.

[0014] Furthermore, a feed pipe and a combustion pipe are installed at the feed inlet of the premixing kiln body, so that the waste concrete powder and the activator can enter the premixing kiln body from the feed pipe.

[0015] Furthermore, a discharge pipe and a smoke exhaust pipe are installed at the kiln tail of the premixing kiln body, so that the discharge pipe discharges the activated and mixed waste concrete powder, and the smoke exhaust pipe is used to discharge the tail gas inside the premixing kiln body.

[0016] In summary, the beneficial effects of this application are:

[0017] 1. By arranging a driving mechanism outside the premixing kiln body on the waste concrete powder activation and mixing device, the first rotating driving member on the driving mechanism drives the rotating shaft to rotate, so that the plurality of first gears installed in parallel and spaced apart on the rotating shaft rotate, so that the second gears meshing with the first gears rotate synchronously, so that the premixing kiln body fixed with the plurality of second gears rotates, so that the waste concrete powder entering the premixing kiln body rotates and mixes with the activator, thereby improving the activation efficiency and activation quality of the waste concrete powder;

[0018] Second, a stirring mechanism is arranged inside the premixing kiln body on the waste concrete powder activation and mixing device, so that the second rotating driving member on the stirring mechanism drives the driving rod to rotate, so that a plurality of stirring rods installed in parallel and fixedly at intervals on the driving rod rotate synchronously, so that the brush installed on the supporting rod on the stirring rod rotates in the opposite direction to the rotating premixing kiln body, and the waste concrete powder and the activator in the premixing kiln body are mixed, thereby improving the activation efficiency and activation quality of the waste concrete powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0020] Figure 1 This is a front view schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a rear view schematic diagram of the overall structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the side cross-sectional structure of the utility model.

[0024] Numbers in the figure: premixing kiln body -100, conveying plate -110, feeding pipe -120, combustion pipe -130, discharge pipe -140, smoke exhaust pipe -150, driving mechanism -200, first rotating driving member -210, rotating shaft -220, first gear -230, second gear -240, stirring mechanism -300, stirring rod -310, supporting rod -311, brush -312, second rotating driving member -320, driving rod -330, supporting frame -400. DETAILED DESCRIPTION

[0025] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0026] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] Waste concrete powder activation mixing device, its structure is as follows Figure 1-Figure 4As shown, it includes a premixing kiln body 100, a driving mechanism 200 and a stirring mechanism 300. The premixing kiln body 100 is movably installed between two support frames 400 and is used for mixing waste concrete powder with an activator. The driving mechanism 200 is fixedly installed on the side of the premixing kiln body 100 and is used to drive the premixing kiln body 100 to rotate so that the waste concrete powder entering the premixing kiln body 100 is mixed with the activator. The stirring mechanism 300 is rotatably installed inside the premixing kiln body 100 so that a plurality of stirring rods 310 installed on the stirring mechanism 300 perform secondary mixing on the waste concrete powder and the activator in the premixing kiln body 100.

[0028] When in use, a premixing kiln body 100 is arranged on a mixing device for activating waste concrete powder, so that after the waste concrete powder and sodium silicate powder enter the premixing kiln body 100 from the feed pipe, the driving mechanism 200 drives the premixing kiln body 100 to rotate, and the stirring mechanism 300 reversely rotates and stirs the waste concrete powder and sodium silicate powder in the premixing kiln body 100, so that the waste concrete powder and the sodium silicate powder are evenly mixed, and the premixing kiln body 100 is heated by the fuel input through the combustion tube 130 to calcine the waste concrete powder and the sodium silicate powder at high temperature, and after two hours of heat preservation, the temperature inside the premixing kiln body 100 is cooled down, so that the activator and the calcined waste concrete powder are evenly mixed to stimulate the activation of the waste concrete powder, and the waste concrete powder is discharged from the discharge pipe 140 connected to the kiln tail of the premixing kiln body 100, thereby improving the activation efficiency and activation quality of the waste concrete powder.

[0029] As a preferred embodiment, please refer to Figure 1 and Figure 2 The driving mechanism 200 includes a first rotating driving member 210, a rotating shaft 220, a plurality of first gears 230 and a plurality of second gears 240, wherein the plurality of second gears 240 are fixedly mounted on the outer side of the premixing kiln body 100, and each second gear 240 is meshedly connected with each first gear 230, and a plurality of first gears 230 are fixedly mounted on the rotating shaft 220 in parallel and at intervals, and the rotating shaft 220 is fixedly connected with the output end of the first rotating driving member 210, so that the first rotating driving member 210 drives the rotating shaft 220 to rotate, so that the plurality of first gears 230 mounted on the rotating shaft 220 rotate synchronously, so that the first gear 230 drives the meshed second gears 240 to rotate synchronously, so that the premixing kiln body 100 fixedly mounted with the plurality of second gears 240 rotates synchronously, so that the waste concrete powder, sodium silicate powder and activator inside the premixing kiln body 100 are evenly mixed.

[0030] As a preferred embodiment, please refer to Figure 2 and Figure 3A plurality of second gears 240 are installed in parallel and fixedly at intervals on the premixing kiln body 100, so that when the premixing kiln body 100 rotates, the waste concrete powder, sodium silicate powder and activator inside the premixing kiln body 100 are evenly mixed, thereby improving the activation efficiency and activation quality of the waste concrete powder.

[0031] As a preferred embodiment, please refer to Figure 3 and Figure 4 A conveying plate 110 is fixedly installed inside the premixing kiln body 100. The conveying plate 110 is a spiral structure plate, so that the rotating premixing kiln body 100 can convey the waste concrete powder and the activator inside the premixing kiln body 100.

[0032] As a preferred embodiment, please refer to Figure 3 and Figure 4 The stirring mechanism 300 includes a second rotating driving member 320, a driving rod 330 and a plurality of stirring rods 310. The plurality of stirring rods 310 are fixedly installed on the driving rod 330 in parallel and at intervals, and the driving rod 330 is fixedly connected to the output end of the second rotating driving member 320, so that the second rotating driving member 320 drives the driving rod 330 to rotate, so that the plurality of stirring rods 310 installed on the driving rod 330 rotate synchronously, so that the plurality of stirring rods 310 and the premixing kiln body 100 rotate in the opposite direction, so that the plurality of stirring rods 310 stir and mix the waste concrete powder and the activator inside the premixing kiln body 100.

[0033] As a preferred embodiment, please refer to Figure 3 and Figure 4 The stirring rod 310 is composed of a plurality of support rods 311 and a plurality of groups of brushes 312. Each brush 312 is fixedly installed on the top of each support rod 311, and a plurality of support rods 311 are evenly installed on the driving rod 330, so that when the second rotating driving member 320 drives the stirring rod 310 to rotate, the brushes 312 installed on the support rod 311 stir and mix the waste concrete powder and the activator inside the premixing kiln body 100.

[0034] As a preferred embodiment, please refer to Figure 1 A feed pipe 120 and a combustion pipe 130 are also installed at the feed inlet of the premixing kiln body 100, so that the waste concrete powder and the activator enter the premixing kiln body 100 from the feed pipe 120, and the combustion pipe 130 is used to heat the inside of the premixing kiln body 100, so that the waste concrete powder mixed with sodium silicate can be calcined at high temperature.

[0035] As a preferred embodiment, please refer to Figure 2A discharge pipe 140 and a smoke exhaust pipe 150 are also installed at the kiln tail of the premixing kiln body 100, so that the discharge pipe 140 discharges the activated mixed waste concrete powder, and the smoke exhaust pipe 150 is used to discharge the exhaust gas inside the premixing kiln body 100 after heating.

[0036] The working principle of the utility model is:

[0037] When in use, a premixing kiln body 100 is arranged on a mixing device for activating waste concrete powder, so that after the waste concrete powder and sodium silicate powder enter the premixing kiln body 100 from the feeding pipe 120, the first rotating driving member 210 on the driving mechanism 200 drives the rotating shaft 220 to rotate, so that a plurality of first gears 230 arranged in parallel and spaced apart on the rotating shaft 220 rotate, so that the second gears 240 meshing with the first gears 230 rotate synchronously, so that the premixing kiln body 100 fixedly mounted with the plurality of second gears 240 rotates, so that the waste concrete powder entering the premixing kiln body 100 rotates and mixes with the activator, thereby improving the activation efficiency and activation quality of the waste concrete powder, and the second rotating driving member 320 on the stirring mechanism 300 drives the driving rod 330 to rotate, so that the plurality of first gears 230 arranged in parallel and spaced apart on the rotating shaft 220 rotate, so that the plurality of second gears 240 meshing with the first gears 230 rotate synchronously, so that the premixing kiln body 100 fixedly mounted with the plurality of second gears 240 rotates, so that the waste concrete powder entering the premixing kiln body 100 rotates and mixes with the activator, thereby improving the activation efficiency and activation quality of the waste concrete powder, and the second rotating driving member 320 on the stirring mechanism 300 drives the driving rod 330 to rotate, so that the plurality of second gears 240 meshing with the first gears 230 rotate synchronously ... A plurality of stirring rods 310 fixedly mounted on the driving rod 330 rotate synchronously, so that the brushes 312 mounted on the supporting rods 311 on the stirring rods 310 rotate in the opposite direction to the rotating premixing kiln body 100, and the waste concrete powder and sodium silicate powder inside the premixing kiln body 100 are stirred in the opposite direction, so that the waste concrete powder and the sodium silicate powder are evenly mixed, and the premixing kiln body 100 is heated by the fuel input through the combustion tube 130, so that the waste concrete powder and the sodium silicate powder are calcined at high temperature, and after two hours of heat preservation, the temperature inside the premixing kiln body 100 is cooled down, so that the activator and the calcined waste concrete powder are evenly mixed to activate the waste concrete powder, and the waste concrete powder is discharged from the discharge pipe 140 connected to the kiln tail of the premixing kiln body 100, thereby improving the activation efficiency and activation quality of the waste concrete powder.

[0038] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. A waste concrete micro powder activation mixing device, characterized by: It comprises a pre-mixing kiln body (100), which is movably installed between two support frames (400) and is used for mixing waste concrete fine powder and activator; A driving mechanism (200) is fixedly mounted on a side of the premixing kiln body (100) and is used to drive the premixing kiln body (100) to rotate so that the waste concrete fine powder entering the premixing kiln body (100) is mixed with an activator; The stirring mechanism (300) is rotatably installed inside the premixing kiln body (100), so that a plurality of stirring rods (310) installed on the stirring mechanism (300) perform secondary mixing on the waste concrete fine powder and the activator in the premixing kiln body (100).

2. The waste concrete fine powder activation mixing device according to claim 1 is characterized in that: The driving mechanism (200) comprises a first rotating driving member (210), a rotating shaft (220), a plurality of first gears (230) and a plurality of second gears (240); the plurality of second gears (240) are fixedly mounted on the outside of the premixing kiln body (100), and each of the second gears (240) is meshedly connected with each of the first gears (230); a plurality of the first gears (230) are fixedly mounted on the rotating shaft (220) in parallel and at intervals, and the rotating shaft (220) is fixedly connected to the output end of the first rotating driving member (210), so that the first rotating driving member (210) drives the premixing kiln body (100) to rotate.

3. The waste concrete fine powder activation mixing device according to claim 2 is characterized in that: A plurality of the second gears (240) are fixedly installed on the premixing kiln body (100) in parallel and at intervals.

4. The waste concrete fine powder activation mixing device according to claim 1 is characterized in that: A conveying plate (110) is also fixedly installed inside the premixing kiln body (100). The conveying plate (110) is a spiral structure plate and is used to convey waste concrete fine powder and activator inside the premixing kiln body (100).

5. The waste concrete fine powder activation mixing device according to claim 1 is characterized in that: The stirring mechanism (300) comprises a second rotating driving member (320), a driving rod (330) and a plurality of stirring rods (310), wherein the plurality of stirring rods (310) are fixedly installed on the driving rod (330) in parallel and at intervals, and the driving rod (330) is fixedly connected to the output end of the second rotating driving member (320), so that the second rotating driving member (320) drives the plurality of stirring rods (310) to rotate.

6. The waste concrete fine powder activation mixing device according to claim 5 is characterized in that: The stirring rod (310) is composed of a plurality of support rods (311) and a plurality of groups of brushes (312), each of the brushes (312) being fixedly mounted on the top of each of the support rods (311), and a plurality of support rods (311) being evenly mounted on the driving rod (330), so that the brushes (312) mounted on the support rods (311) can stir the waste concrete powder and the activator inside the premixed kiln body (100).

7. The waste concrete fine powder activation mixing device according to claim 1 is characterized in that: A feeding pipe (120) and a combustion pipe (130) are also installed at the feeding port of the premixing kiln body (100), so that waste concrete powder and activator can enter the premixing kiln body (100) from the feeding pipe (120).

8. The waste concrete fine powder activation mixing device according to claim 1 is characterized in that: A discharge pipe (140) and a smoke exhaust pipe (150) are also installed at the kiln tail of the premixing kiln body (100), so that the discharge pipe (140) discharges the activated and mixed waste concrete fine powder, and the smoke exhaust pipe (150) is used to discharge the tail gas inside the premixing kiln body (100).

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