Preparation device of limestone mineral powder modified foam concrete

Abstract

The utility model relates to the technical field of foam concrete preparation, and discloses a preparation device of limestone mineral powder modified foam concrete, which comprises an operation table, a water tank, a foaming agent tank, a foam stirring machine, a concrete stirring machine, a mineral powder bin, a cement bin and a stepped bracket, the foam mixer and the concrete mixer are respectively provided with a plurality of feed ports and corresponding mixing devices, material conveying is achieved through a water valve, a diaphragm valve, a ball valve, a first Roots blower, a second Roots blower and the like, liquid level sensors are arranged at the upper ends of the water tank and the foaming agent tank, weighing sensors are arranged at the bottoms of the mineral powder bin and the cement bin, and accurate material proportioning is achieved. The device has the advantages of being convenient to operate and easy to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to foamed concrete preparation technical field, concretely relates to a preparation device of limestone powder modified foamed concrete. BACKGROUND

[0002] Foamed concrete is a kind of building material with light weight, heat preservation and good heat insulation performance, and has been widely used in construction engineering. With the continuous improvement of the performance requirements of building materials, limestone powder is used to modify foamed concrete to improve its strength, durability and other properties.

[0003] The Chinese utility model patent with the authorized announcement number CN210544932U discloses a foamed concrete preparation and storage integrated equipment, which integrates a foamed preparation bin, a cement slurry preparation bin, a stirring bin and a storage bin in a fully-closed bin body, and realizes the control of the whole production process through a PLC control machine and its intelligent control system. However, the equipment is closely associated between each functional bin body and the equipment, and once a component fails, the bin body needs to be shut down for troubleshooting and repair, which leads to the interruption of the whole production process. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a preparation device of limestone powder modified foamed concrete, which has the effects of convenient operation and easy maintenance.

[0005] The technical purpose is achieved by the following technical scheme: a preparation device of limestone powder modified foam concrete, which comprises a water tank, a foaming agent tank, a foam stirrer, a concrete stirrer, a powder bin, a cement bin and a stepped support, the stepped support comprises a first layer platform, a second layer platform and a third layer platform from bottom to top, the first layer platform is used for placing the foam stirrer, the second layer platform is used for placing the foaming agent tank, and the third layer platform is used for placing the water tank, the concrete stirrer, the powder bin and the cement bin are located at the same horizontal plane and below the first layer platform, a first feeding port, a second feeding port and a foam stirring device are arranged on the top cover of the foam stirrer, the foaming agent tank is communicated with the first feeding port and a diaphragm valve is arranged near the foaming agent tank, the water tank is communicated with the second feeding port and a water valve is arranged near the water tank, a water valve one is arranged at the second feeding port, a third feeding port, a fourth feeding port, a fifth feeding port, a sixth feeding port and a concrete stirring device are arranged on the top cover of the concrete stirrer, the foam stirrer is communicated with the third feeding port and a ball valve is arranged near the foam stirrer, the water tank is also communicated with the fourth feeding port and a water valve two is arranged near the fourth feeding port, a Roots blower two is arranged between the cement bin and the concrete stirrer, the inlet end of the Roots blower two is communicated with the cement bin and the outlet end is communicated with the fifth feeding port, a Roots blower one is arranged between the powder bin and the concrete stirrer, the inlet end of the Roots blower one is communicated with the powder bin and the outlet end is communicated with the sixth feeding port, and a discharging port is further arranged at the lower end of the concrete stirrer.

[0006] By adopting the above technical scheme, the water tank is located on the third layer platform, water can be conveyed to the foam stirrer and the concrete stirrer by gravity, the foaming agent tank is located on the second layer platform, which facilitates the transportation of the foaming agent to the foam stirrer, and the foam stirrer is located on the first layer platform and is higher than the concrete stirrer, which facilitates the transportation of the stirred foam to the concrete stirrer, compared with the prior art in which all components are arranged in one bin, the components of the device are independently arranged, when a component fails, only the failed component needs to be processed, thereby reducing the influence on the production process and reducing the maintenance cost.

[0007] The utility model further provides: still include operation platform, the upper end of water tank and foaming agent tank is equipped with liquid level sensor one and liquid level sensor two respectively, liquid level sensor one and liquid level sensor two are connected with operation platform electricity respectively.

[0008] By adopting the above technical scheme, by setting liquid level sensors on the upper ends of the water tank and the foaming agent tank and electrically connecting them with the operation platform, the liquid levels in the water tank and the foaming agent tank can be monitored in real time.

[0009] The further setting of the utility model is: still include operation platform, the ore powder storehouse includes ore powder storage bin and ore powder discharge bin, is equipped with the unloading valve one between ore powder storage bin bottom and ore powder discharge bin, the ore powder discharge bin bottom weighing sensor one, the weighing sensor one is electrically connected with operation platform.

[0010] Through adopt above -mentioned technical scheme, set up weighing sensor one in the ore powder discharge bin bottom, and with operation platform electric connection, can accurately measure the weight of ore powder in the ore powder discharge bin.

[0011] The further setting of the utility model is: still include operation platform, the cement storehouse includes cement storage bin and cement discharge bin, is equipped with the unloading valve two between cement storage bin and cement discharge bin, is equipped with weighing sensor two in the cement discharge bin bottom, and weighing sensor two is electrically connected with operation platform.

[0012] Through adopt above -mentioned technical scheme, set up weighing sensor two in the cement discharge bin bottom, and with operation platform electric connection, can accurately measure the weight of cement in the cement discharge bin, guarantee accurate addition in the preparation process of cement.

[0013] The further setting of the utility model is: foam stirring device includes first drive motor, and the first drive motor output shaft is connected with foaming rod, and the foaming rod extends to the foam stirrer inside downward, and the foaming rod is fixedly connected with the vice rod parallel to the cross section of foam stirrer, and a plurality of foaming holes are arranged on the surface of vice rod.

[0014] Through adopt above -mentioned technical scheme, set up parallel to the cross section of foam stirrer on the foaming rod vice rod, and a plurality of foaming holes are arranged on the surface of vice rod, and when the foaming rod rotates, water and foaming agent are mixed with each other through foaming hole under the action of centrifugal force, and uniform, delicate foam is produced.

[0015] The further setting of the utility model is: concrete stirring device includes second drive motor, and the second drive motor output shaft is connected with stirring shaft, and the stirring shaft extends to the concrete stirrer inside downward, and the stirring shaft upper end is fixedly connected with horizontal shaft parallel to the cross section of concrete stirrer, and the horizontal shaft both ends are fixedly connected with vertical shaft downward vertically.

[0016] Through adopt above -mentioned technical scheme, vertical shaft can agitate material from different depth, drive slurry to rotate in vertical direction, can effectively prevent slurry from depositing and stratifying, so that the whole stirring container is fully mixed.

[0017] The utility model has the advantages of:

[0018] 1. The water tank, foaming agent tank, foam mixer, concrete mixer, mineral powder bin and cement bin are independently arranged in the utility model, compared with the prior art in which all components are arranged in one bin body, when a component fails in the utility model, the entire production system does not need to be stopped for troubleshooting and repair, only the faulty component needs to be handled individually, thereby reducing the influence on the production process.

[0019] 2. The water tank, foaming agent tank and foam mixer are placed in layers by the stepped support, water, foaming agent and foam are conveyed by gravity, and the operating cost is reduced.

[0020] 3. The utility model discloses a liquid level sensor one and liquid level sensor two are arranged on the upper end of the water tank and foaming agent tank, and weighing sensor one and weighing sensor two are arranged at the bottom of the mineral powder discharge bin and the cement discharge bin, according to the preset proportioning scheme, the mass of required water and foaming agent is input on the operation table, the operation table converts the mass data of required water and foaming agent into volume data and is monitored by liquid level sensor one and liquid level sensor two respectively, thereby realizing the proportioning of materials and improving the consistency and stability of product quality.

[0021] 4. The foam mixing device is provided with a sub-shaft parallel to the cross section of the foam mixer, the sub-shaft can quickly realize the mixing of water and foaming agent in the horizontal direction, and a plurality of foaming holes are arranged on the surface, thereby further increasing the contact area of water and foaming agent and generating uniform and delicate foam.

[0022] 5. The concrete mixing device is fixedly connected with a vertical shaft, the vertical shaft can drive the slurry to rotate in the vertical direction from different depths, can effectively prevent the slurry from depositing and stratifying, and can make the entire mixing container be fully mixed. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for the person skilled in the art.

[0024] Fig. 1 It is the overall structure schematic diagram of the preparation device of the limestone mineral powder modified foam concrete.

[0025] Fig. 2 It is the cross-sectional structure schematic diagram of the preparation device of the limestone mineral powder modified foam concrete.

[0026] In the figure, 1, foam mixer; 11, first feeding port; 12, foam stirring device; 121, first driving motor; 122, foaming rod; 123, sub rod; 13, second feeding port; 14, ball valve; 15, water valve one; 2, concrete mixer; 21, third feeding port; 22, fourth feeding port; 23, concrete stirring device; 231, second driving motor; 232, stirring shaft; 233, horizontal shaft; 234, vertical shaft; 24, fifth feeding port; 25, sixth feeding port; 26, water valve two; 27, discharge port; 3, water tank; 31, liquid level sensor one; 32, water valve; 4, foaming agent tank; 41, liquid level sensor two; 42, diaphragm valve; 5, mineral powder warehouse; 51, mineral powder storage warehouse; 52, first discharge valve; 53, mineral powder discharge warehouse; 54, weighing sensor one; 55, Roots blower one; 6, cement warehouse; 61, cement storage warehouse; 62, second discharge valve; 63, cement discharge warehouse; 64, weighing sensor two; 65, Roots blower two; 7, operation table; 8, stepped support; 81, first layer platform; 82, second layer platform; 83, third layer platform. DETAILED DESCRIPTION

[0027] The technical solutions of the present application will be described clearly and completely below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Embodiment, a preparation device of limestone mineral powder modified foam concrete, as shown in Figs. 1-2As shown, including water tank 3, foaming agent tank 4, foam mixer 1, concrete mixer 2, mineral powder bin 5, cement bin 6 and stepped support 8, the stepped support 8 from bottom to top in turn includes first layer platform 81, second layer platform 82 and third layer platform 83, the first layer platform 81 is used for placing foam mixer 1, the second layer platform 82 is used for placing foaming agent tank 4, the third layer platform 83 is used for placing water tank 3, the concrete mixer 2, the mineral powder bin 5, the cement bin 6 are located at the same horizontal and below the first layer platform 81, the foam mixer 1 top cover is provided with first feeding port 11, second feeding port 13 and foam stirring device 12, the foaming agent tank 4 is communicated with the first feeding port 11 and is provided with a diaphragm valve 42 close to the foaming agent tank 4, the water tank 3 is communicated with the second feeding port 13 and is provided with a water valve 32 close to the water tank 3, the second feeding port 13 is provided with a water valve 15, the concrete mixer 2 top cover is provided with third feeding port 21, fourth feeding port 22, fifth feeding port 24, sixth feeding port 25 and concrete mixer 23, the foam mixer 1 is communicated with the third feeding port 21 and is provided with a ball valve 14 close to the foam mixer 1, the water tank 3 is also communicated with the fourth feeding port 22 and is provided with a water valve 26 close to the fourth feeding port 22, the cement bin 6 and the concrete mixer 2 are provided with Roots blower two 65, the inlet end of Roots blower two 65 is communicated with the cement bin 6 and the outlet end is communicated with the fifth feeding port 24, the mineral powder bin 5 and the concrete mixer 2 are provided with Roots blower one 55, the inlet end of Roots blower one 55 is communicated with the mineral powder bin 5 and the outlet end is communicated with the sixth feeding port 25, the lower end of the concrete mixer 2 is also provided with a discharge port 27, further comprising an operation table 7, the upper end of the water tank 3 and the foaming agent tank 4 is respectively provided with liquid level sensor one 31 and liquid level sensor two 41, liquid level sensor one 31 and liquid level sensor two 41 are respectively electrically connected with operation table 7, the mineral powder bin 5 includes mineral powder storage bin 51 and mineral powder discharge bin 53, the bottom of mineral powder storage bin 51 and the bottom of mineral powder discharge bin 53 are provided with a discharge valve one 52, the bottom of mineral powder discharge bin 53 is provided with a weighing sensor one 54, the weighing sensor one 54 is electrically connected with operation table 7, the cement bin 6 includes cement storage bin 61 and cement discharge bin 63, the cement storage bin 61 and the cement discharge bin 63 are provided with a discharge valve two 62, the bottom of the cement discharge bin 63 is provided with a weighing sensor two 64, the weighing sensor two 64 is electrically connected with operation table 7.

[0029] The working principle is: first, open the first and second discharge valves 52 and 62, the limestone powder in the powder storage bin 51 falls into the powder discharge bin 53 under the action of gravity, and the cement in the cement storage bin 61 falls into the cement discharge bin 63 under the action of gravity, the weight data is displayed on the interface of the operation platform 7 in real time by the first and second weighing sensors 54 and 64, when the weight of limestone powder and cement is 1:8, the first and second discharge valves 52 and 62 are closed; secondly, the first and second Roots blowers 55 and 65 are started, the limestone powder and cement are transported into the concrete mixer 2 through the sixth and fifth feeding ports 25 and 24 respectively; then, the concrete mixing device 23 is started and dry-mixed for 3-5 minutes, the partial airflow formed by stirring rapidly rolls the limestone powder and cement into the stirring area, so that the limestone powder and cement are preliminarily mixed and uniformly distributed, the water valve 32 is started and the second water feeding valve 26 is opened, water is transported into the concrete mixer 2 from the fourth feeding port 22 under the action of gravity, the water level sensor 31 transmits the real-time change of the water level to the operation platform 7, according to the weight of cement and limestone, when the water level sensor 31 reaches the corresponding water level, the second water feeding valve 26 is closed, and the slurry is formed after stirring for 3-5 minutes; after the second water feeding valve 26 is closed, the first water feeding valve 15 is opened and the diaphragm valve 42 is started, the water and foaming agent are transported into the foam mixer 1 through the second and first feeding ports 13 and 11 respectively, according to the data of the water level sensor 31 and the water level sensor 41 on the operation platform 7, when the volume of water and the volume of foaming agent are 12:1, the first water feeding valve 15, the water valve 32 and the diaphragm valve 42 are closed, the foam stirring device 12 is started and stirred for about 1 minute, the water and foaming agent are made into foam, and the foam stirring device 12 is closed; finally, the ball valve 14 is started, the foam is transported into the concrete mixer 2 through the third feeding port 21, the ball valve 14 is closed, the concrete mixing device 23 is started, and the foam and the slurry are continuously stirred for 1-2 minutes, then the concrete mixing device 23 is closed, and the discharge port 27 is opened, thus the preparation of the limestone powder modified foam concrete is completed.

[0030] Specifically, the foam stirring device 12 comprises a first driving motor 121, a foaming rod 122 connected to the output shaft of the first driving motor 121, the foaming rod 122 extending downward into the foam mixer 1, a plurality of groups of auxiliary rods 123 parallel to the cross section of the foam mixer 1 fixedly connected to the foaming rod 122, a plurality of foaming holes arranged on the surface of the auxiliary rod 123, and the auxiliary rod 123 arranged horizontally, which can quickly drive a large amount of liquid to flow and realize the mixing of water and foaming agent in a short time. When the foaming rod rotates, water and foaming agent are fully mixed with each other through the foaming holes under the action of centrifugal force, and uniform and delicate foam is generated.

[0031] Specifically, the concrete mixing device 23 comprises a second driving motor 231, the output shaft of the second driving motor 231 is connected with a stirring shaft 232, the stirring shaft 232 extends downwards to the inside of the concrete mixer 2, the upper end of the stirring shaft 232 is fixedly connected with a horizontal shaft 233 parallel to the cross section of the concrete mixer 2, the two ends of the horizontal shaft 233 are fixedly connected with a plurality of vertical downward vertical shafts 234, the plurality of vertical shafts 234 can drive the slurry to rotate in the vertical direction, which can effectively prevent the slurry from depositing and stratifying, so that the whole stirring container is fully mixed.

Claims

1. A preparation apparatus for limestone powder modified foamed concrete, comprising a water tank (3), a foaming agent tank (4), a foam mixer (1), a concrete mixer (2), a mineral powder silo (5), a cement silo (6), and a stepped support (8), characterized in that: The stepped support (8) includes a first platform (81), a second platform (82) and a third platform (83) from bottom to top. The first platform (81) is used to place the foam mixer (1), the second platform (82) is used to place the foaming agent tank (4), and the third platform (83) is used to place the water tank (3). The concrete mixer (2), the mineral powder silo (5) and the cement silo (6) are located at the same level and below the first platform (81). The top cover of the foam mixer (1) is provided with a first feed inlet (11), a second feed inlet (13), and a foam mixing device (12). The foaming agent tank (4) is connected to the first feed inlet (11) and a diaphragm valve (42) is provided near the foaming agent tank (4). The water tank (3) is connected to the second feed inlet (13) and a water valve (32) is provided near the water tank (3). A water supply valve (15) is provided at the second feed inlet (13). The top cover of the concrete mixer (2) is provided with a third feed inlet (21), a fourth feed inlet (22), a fifth feed inlet (24), a sixth feed inlet (25), and a concrete mixing device (23). The foam mixer (1) is connected to the third feed inlet (21), a second feed inlet (22), a fifth feed inlet (24), a sixth feed inlet (25), and a concrete mixing device (23). 1) A ball valve (14) is provided near the foam mixer (1). The water tank (3) is also connected to the fourth feed port (22) and a water supply valve (26) is provided near the fourth feed port (22). A Roots blower (65) is provided between the cement silo (6) and the concrete mixer (2). The inlet end of the Roots blower (65) is connected to the cement silo (6) and the outlet end is connected to the fifth feed port (24). A Roots blower (55) is provided between the mineral powder silo (5) and the concrete mixer (2). The inlet end of the Roots blower (55) is connected to the mineral powder silo (5) and the outlet end is connected to the sixth feed port (25). A discharge port (27) is also provided at the lower end of the concrete mixer (2).

2. The apparatus for preparing limestone powder modified foamed concrete according to claim 1, characterized in that: It also includes an operating table (7), and the upper ends of the water tank (3) and the foaming agent tank (4) are respectively equipped with a liquid level sensor one (31) and a liquid level sensor two (41), and the liquid level sensor one (31) and the liquid level sensor two (41) are electrically connected to the operating table (7).

3. The apparatus for preparing limestone powder modified foamed concrete according to claim 1, characterized in that: It also includes an operating table (7). The mineral powder silo (5) includes a mineral powder storage silo (51) and a mineral powder discharge silo (53). A discharge valve (52) is provided between the bottom of the mineral powder storage silo (51) and the mineral powder discharge silo (53). A weighing sensor (54) is provided at the bottom of the mineral powder discharge silo (53). The weighing sensor (54) is electrically connected to the operating table (7).

4. The apparatus for preparing limestone powder modified foamed concrete according to claim 1, characterized in that: It also includes an operating table (7). The cement silo (6) includes a cement storage silo (61) and a cement discharge silo (63). A discharge valve (62) is provided between the cement storage silo (61) and the cement discharge silo (63). A weighing sensor (64) is provided at the bottom of the cement discharge silo (63). The weighing sensor (64) is electrically connected to the operating table (7).

5. The apparatus for preparing limestone powder modified foamed concrete according to claim 1, characterized in that: The foam mixing device (12) includes a first drive motor (121), the output shaft of which is connected to a foaming rod (122), which extends downward into the interior of the foam mixer (1).

6. The apparatus for preparing limestone powder modified foamed concrete according to claim 5, characterized in that: The foaming rod (122) is fixedly connected to multiple sets of auxiliary rods (123) parallel to the cross-section of the foam mixer (1), and the surface of the auxiliary rods (123) is provided with multiple foaming holes.

7. The apparatus for preparing limestone powder modified foamed concrete according to claim 1, characterized in that: The concrete mixing device (23) includes a second drive motor (231), the output shaft of which is connected to a mixing shaft (232), which extends downward into the interior of the concrete mixer (2).

8. The apparatus for preparing limestone powder modified foamed concrete according to claim 7, characterized in that: The upper end of the mixing shaft (232) is fixedly connected to a horizontal shaft (233) parallel to the cross-section of the concrete mixer (2), and multiple sets of vertical shafts (234) are fixedly connected to both ends of the horizontal shaft (233).

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