Powder cooling device for mixing plant

Abstract

The utility model discloses a powder cooling device of a mixing plant, which relates to the technical field of concrete production and comprises a storage barrel, a blanking pipe arranged at the bottom of the storage barrel, a cooling ring vertically moving outside the blanking pipe and used for cooling powder, a ring body of the cooling ring is hollow, and the inner ring surface of the cooling ring is communicated with a plurality of water outlet nozzles. A water collecting disc is fixedly arranged outside the bottom of the discharging pipe, two sets of powder stirring rods used for stirring powder are movably arranged in the discharging pipe, and a driving piece used for controlling transmission of the cooling ring and the powder stirring rods is arranged at the bottom of the water collecting disc. According to the utility model, the driving piece is used for controlling the cooling ring which moves up and down and is provided with the water outlet nozzle and the mounting rod which rotates circumferentially and is provided with the powder stirring rod, so that the heat exchange between water and powder is accelerated, and the temperature of the powder flowing out of the blanking pipe is reduced, thereby meeting the production requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete production, in particular to a powder material cooling device for a mixing station. Background Art

[0002] The current concrete production process mainly includes a series of steps such as raw material testing, trial mixing, adjustment, production, mixing, and molding, and finally the concrete powder enters the powder tank in the mixing station for storage.

[0003] In the existing concrete production process, the temperature of cement, mineral powder, fly ash and other powders before entering the powder tank is usually high and cannot meet the storage temperature requirements. Therefore, the powders need to be stopped and cooled to the predetermined temperature naturally before they can be stored. Especially in summer, when the temperature is high, it takes a long time to cool the powders to the required temperature, which cannot meet the construction requirements and has the defect of not being able to ensure normal production and supply. Utility Model Content

[0004] The purpose of the utility model is to solve the above-mentioned problem and to propose a powder material cooling device for a mixing station.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A powder cooling device for a mixing station comprises a storage barrel and a discharge pipe arranged at the bottom of the storage barrel, a cooling ring that moves vertically outside the discharge pipe to cool the powder, the cooling ring body is hollow and the inner ring surface is connected to multiple water outlet nozzles, a water collecting tray is fixedly provided outside the bottom of the discharge pipe, two groups of powder stirring rods for stirring the powder are movably provided inside the discharge pipe, and a driving member for controlling the transmission of the cooling ring and the powder stirring rod is provided at the bottom of the water collecting tray.

[0007] As a further description of the above technical solution:

[0008] The driving member includes two screws rotatably arranged on the top surface of the water collecting tray, the bottom ends of the two screws pass through the water collecting tray and are fixedly connected to a moving gear, the bottom surface of the water collecting tray is also rotatably provided with a stirring gear concentric with the discharge pipe, the inner ring of the stirring gear is meshed with the two moving gears, the outer ring surface of the cooling ring is provided with a threaded seat matching the corresponding screw, the bottom of the stirring gear is provided with a mounting rod that fits the inner wall of the discharge pipe, two sets of stirring rods are respectively fixedly connected to the corresponding mounting rods, the outer surface of the top of the discharge pipe is provided with a mounting plate, and the mounting plate is provided with a motor for controlling the rotation of one of the screws.

[0009] As a further description of the above technical solution:

[0010] The cooling ring is externally connected with a main water pipe, and the main water pipe is connected with an external water supply device.

[0011] As a further description of the above technical solution:

[0012] A water outlet is provided at the bottom of the water collecting tray, and a water guide plate is installed at the water outlet.

[0013] As a further description of the above technical solution:

[0014] Two guide slide bars are also fixedly provided on the top of the water collecting tray. The two guide slide bars and the two screw rods are staggered and evenly distributed at the center of the lower material pipe.

[0015] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0016] In the utility model, a driving member is used to control the upward and downward movement of a cooling ring with a water outlet nozzle and the circumferential rotation of a mounting rod with a powder stirring rod, thereby accelerating the heat exchange between water and powder and reducing the temperature of the powder flowing out of a discharge pipe to meet production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a bottom view of the utility model;

[0019] Figure 3 This is a bottom view of the water collecting tray in the utility model;

[0020] Figure 4 It is a schematic diagram of the connection relationship between the cooling ring and the powder stirring rod in the utility model.

[0021] Legend: 1. Storage barrel; 2. Feeding pipe; 3. Cooling ring; 4. Water collecting tray; 5. Water guide plate; 6. Main water pipe; 7. Screw; 8. Guide slide bar; 9. Moving gear; 10. Stirring gear; 11. Mounting rod; 12. Powder stirring rod; 13. Mounting plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0023] like Figure 1-4As shown, a powder cooling device for a mixing station comprises a storage barrel 1 and a discharge pipe 2 arranged at the bottom of the storage barrel 1, a cooling ring 3 that moves vertically outside the discharge pipe 2 to cool the powder, the cooling ring 3 is hollow and the inner ring surface is connected to provide a plurality of water outlet nozzles, a water collecting tray 4 is fixedly provided outside the bottom of the discharge pipe 2, two groups of powder stirring rods 12 for stirring the powder are movably provided inside the discharge pipe 2, a driving member for controlling the transmission of the cooling ring 3 and the powder stirring rod 12 is provided at the bottom of the water collecting tray 4, the driving member is used to control the cooling ring 3 with the water outlet nozzle to move up and down and the mounting rod 11 with the powder stirring rod 12 to rotate circumferentially, so as to accelerate the heat exchange between water and powder and reduce the temperature of the powder flowing out of the discharge pipe 2 to meet the production needs. Example

[0024] The technical solution is basically the same as that of the first embodiment, except that Figure 1-4 As shown, the driving member includes two screw rods 7 rotatably arranged on the top surface of the water collecting tray 4, the thread rotation direction of the two screw rods 7 is the same, the bottom ends of the two screw rods 7 pass through the water collecting tray 4 and are fixedly connected to a moving gear 9, and the bottom surface of the water collecting tray 4 is also rotatably provided with a stirring gear 10 concentric with the discharge pipe 2, the inner ring of the stirring gear 10 is meshed with the two moving gears 9, the outer ring surface of the cooling ring 3 is provided with a threaded seat matched with the corresponding screw rods 7, the bottom of the stirring gear 10 is provided with a mounting rod 11 that fits the inner wall surface of the discharge pipe 2, two groups of powder stirring rods 12 are respectively fixedly connected to the corresponding mounting rods 11, and the outer surface of the top of the discharge pipe 2 is provided with a mounting plate 13, and the mounting plate 13 is provided with a motor for controlling the rotation of one of the screw rods 7, and the cooperation between the screw rod 7 and the threaded seat is used to realize the up and down movement of the cooling ring 3; the cooperation between the stirring gear 10 and the moving gear 9 is used to realize the stirring of the powder. Two guide slide bars 8 are also fixedly provided on the top of the water collecting tray 4 . The two guide slide bars 8 and the two screw rods 7 are staggered and evenly distributed around the center of the lower material pipe 2 . Example

[0025] The technical solution is basically the same as that of the first embodiment, except that Figure 1 As shown, the cooling ring 3 is connected to a main water pipe 6, which is connected to an external water supply device. A water outlet is provided at the bottom of the water collecting pan 4, and a water guide plate 5 is installed at the water outlet. The water collecting pan 4 with a water outlet can receive and discharge the water after heat exchange.

[0026] Working principle: when taking powder materials, the bottom of the discharge pipe 2 is relatively blocked, and the blocking method is a direct reference to the prior art, which will not be described in detail here. At this time, the powder falling into the discharge pipe 2 needs to be cooled, and the motor is started at this time, and the external water supply device is controlled to supply water to the cooling ring 3. At this time, the screw 7 connected to the motor rotates, and through the engagement of the moving gear 9 at its bottom with the stirring gear 10, the other moving gear 9 is driven to rotate synchronously in the same direction, and then the mounting rod 11 with the stirring rod 12 is driven to rotate, so as to achieve the stirring of the powder. At the same time, the screw 7 coaxial with the other moving gear 9 rotates in the same direction to realize the movement of the cooling ring 3, and the reciprocating movement of the cooling ring 3 is achieved by controlling the motor to rotate forward and reverse for a certain period of time.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A powder material cooling device for a mixing station, comprising a material storage barrel (1) and a material discharge pipe (2) arranged at the bottom of the material storage barrel (1), characterized in that: A cooling ring (3) is vertically movable outside the feed tube (2) for cooling the powder. The cooling ring (3) is hollow and has a plurality of water outlet nozzles connected to the inner ring surface. A water collecting tray (4) is fixedly provided outside the bottom of the feed tube (2). Two groups of powder stirring rods (12) for stirring the powder are movably provided inside the feed tube (2). A driving member for controlling the transmission of the cooling ring (3) and the powder stirring rods (12) is provided at the bottom of the water collecting tray (4).

2. The powder cooling device for a mixing station according to claim 1, characterized in that: The driving member comprises two screw rods (7) rotatably arranged on the top surface of the water collecting tray (4), the bottom ends of the two screw rods (7) penetrate through the water collecting tray (4) and are fixedly connected to a moving gear (9), the bottom surface of the water collecting tray (4) is also rotatably provided with a stirring gear (10) concentric with the discharge pipe (2), the inner ring of the stirring gear (10) is meshed with the two moving gears (9), the outer ring surface of the cooling ring (3) is provided with a threaded seat matched with the corresponding screw rods (7), the bottom of the stirring gear (10) is provided with a mounting rod (11) that fits the inner wall surface of the discharge pipe (2), two sets of stirring rods (12) are respectively fixedly connected to the corresponding mounting rods (11), and the outer surface of the top of the discharge pipe (2) is provided with a mounting plate (13), and the mounting plate (13) is provided with a motor for controlling the rotation of one of the screw rods (7).

3. The powder cooling device for a mixing station according to claim 1, characterized in that: The cooling ring (3) is externally connected to a main water pipe (6), and the main water pipe (6) is connected to an external water supply device.

4. The powder cooling device for a mixing station according to claim 1, characterized in that: The water collecting tray (4) has a water outlet at the bottom, and a water guide plate (5) is installed at the water outlet.

5. The powder cooling device for a mixing station according to claim 2, characterized in that: Two guide slide bars (8) are also fixedly provided on the top of the water collecting tray (4), and the two guide slide bars (8) and the two screw rods (7) are arranged alternately and evenly distributed around the center of the lower material pipe (2).

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