Ceramsite granulating and drying device

Abstract

The utility model relates to the technical field of ceramsite granulation, in particular to a ceramsite granulation drying device which comprises a drying box, the top of one end of the drying box is communicated and connected with a feeding pipe, the bottom of the other end of the drying box is connected with a discharging pipe, and a spiral conveying body is rotationally installed in the drying box; through a heating plate installed in the drying box, the temperature in the drying box can be increased, the water content of ceramsite obtained after granulation is conveniently reduced, hot air can be conveyed into the drying box through a hot air blower through an air blowing opening in the top of a spiral conveying body, the ceramsite is further dried, and through the spiral conveying body in the drying box, the ceramsite can be conveniently dried. According to the ceramsite drying device, the dried ceramsite can be conveyed to the conveying belt and can also be stirred, so that the ceramsite drying efficiency is improved, the problem that ceramsite powder is prone to falling off when the ceramsite is directly fed into a calcining kiln is solved, the smoothness of granulation is not affected, and the ceramsite granulation quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramsite granulation, in particular to a ceramsite granulation drying device. Background Art

[0002] Ceramic sand is mainly used as a fracturing proppant in oil field production increase. Ceramic sand is pressed into the cracks of the formation, and oil can flow out through the channels formed between the ceramic sand to increase oil production. The production of ceramic sand mainly includes crushing, batching, grinding, granulation, calcining, cooling and other processes.

[0003] In the prior art, the ceramsite granulation process is to convey the powder to a granulator for granulation, and then directly convey the ceramsite sand to a calcining kiln for calcination through a conveyor belt after granulation. However, since the ceramsite after granulation has a large water content and the temperature in the calcining kiln is high, directly conveying the ceramsite to the calcining kiln may easily cause the ceramsite to fall off, affect the smoothness of the granulation, and reduce the quality of the ceramsite granulation. Utility Model Content

[0004] The purpose of the utility model is to provide a ceramsite granulation and drying device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a ceramsite granulation drying device, comprising: a drying box, the top of one end of the drying box is connected to a feed pipe, the bottom of the other end of the drying box is connected to a discharge pipe, and a spiral conveyor is rotatably installed inside the drying box;

[0006] A heating plate is installed on the inner top wall of the drying box, a blowing port is arranged on the top of the spiral conveyor, a hot air blower is installed on the top of the drying box near the blowing port, and an exhaust pipe is connected to the top of one end of the drying box away from the feeding pipe.

[0007] Preferably, one end of the feed pipe passes through the drying box and is fixedly connected with a material guide pipe, which is arc-shaped and located at the top of the spiral conveyor.

[0008] Preferably, the discharge pipe is arc-shaped and is connected to the drying box, and one end of the discharge pipe away from the drying box is in contact with a conveyor belt.

[0009] Preferably, one end of the spiral conveyor body close to the discharge pipe is rotatably mounted on the inner side wall of the drying box, and the other end of the spiral conveyor body passes through the drying box and is connected to a motor, which is fixedly mounted on the outer wall of one end of the drying box, and the rotating shaft of the motor is fixedly connected to one end of the spiral conveyor body.

[0010] Preferably, a connecting air duct is connected between the blowing port and the hot air blower, the blowing port is located inside the drying box and a plurality of the blowing ports are evenly arranged, and a sieve plate is installed inside one end of each blowing port close to the spiral conveyor.

[0011] Preferably, a filter is installed inside one end of the exhaust duct located inside the drying box, and a valve is provided at the other end of the exhaust duct.

[0012] Preferably, a support frame is fixedly mounted on the bottom end of the drying box, a control panel is fixedly mounted on a side wall at one end of the support frame, and the motor, the hot air blower, the heating plate and the valve are all electrically connected to the control panel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can increase the temperature inside the drying box through the heating plate installed inside the drying box, which is convenient for reducing the water content of the ceramsite after granulation; through the blowing port on the top of the spiral conveying body, hot air can be conveyed into the drying box by the hot air blower to further dry the ceramsite; through the spiral conveying body inside the drying box, the dried ceramsite can be conveyed to the conveyor belt and the ceramsite can be stirred, thereby improving the drying efficiency of the ceramsite, solving the problem that the ceramsite is easily de-powdered when it is directly conveyed into the calcining kiln, so as not to affect the smoothness of the granulation, which is beneficial to improving the quality of the ceramsite granulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a three-dimensional schematic diagram of the interior structure of the drying box of the utility model;

[0017] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0018] Figure 4 It is a schematic diagram of the three-dimensional connection of the local structure of the utility model.

[0019] In the figure: 1. Drying box; 2. Support frame; 3. Screw conveyor; 4. Motor; 5. Heating plate; 6. Sieve plate; 7. Air outlet; 8. Connecting air duct; 9. Fan; 10. Exhaust duct; 11. Feed pipe; 12. Feed guide pipe; 13. Filter; 14. Valve; 15. Discharge pipe; 16. Conveyor belt; 17. Control panel. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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.

[0021] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0024] See also Figures 1 to 4The utility model provides a technical solution: a ceramsite granulation and drying device, comprising: a drying box 1, a feed pipe 11 is connected to the top of one end of the drying box 1, a discharge pipe 15 is connected to the bottom of the other end of the drying box 1, and a spiral conveyor 3 is rotatably installed inside the drying box 1; one end of the feed pipe 11 passes through the drying box 1 and is fixedly connected to a guide pipe 12, the guide pipe 12 is arc-shaped and located at the top of the spiral conveyor 3, which is convenient for guiding the ceramsite to fall into the bottom of the drying box 1 to avoid collision with the blowing pipe 7. The discharge pipe 15 is arc-shaped and connected to the drying box 1, and the end of the discharge pipe 15 away from the drying box 1 is abutted against a conveyor belt 16, which is convenient for conveying the dried ceramsite to the calcining kiln via the conveyor belt 16. One end of the spiral conveyor 3 close to the discharge pipe 15 is rotatably mounted on the inner side wall of the drying box 1, and the other end of the spiral conveyor 3 passes through the drying box 1 and is connected to a motor 4. The motor 4 is fixedly mounted on the outer wall of one end of the drying box 1, and the rotating shaft of the motor 4 is fixedly connected to one end of the spiral conveyor 3, so that the spiral conveyor 3 can be driven to rotate in the drying box 1 by the motor 4.

[0025] A heating plate 5 is installed on the inner top wall of the drying box 1, a blowing port 7 is arranged on the top of the spiral conveyor 3, a fan 9 is installed at the top of the drying box 1 near the blowing port 7, and an exhaust pipe 10 is connected to the top of the end of the drying box 1 away from the feed pipe 11, and a plurality of heating plates 5 are evenly arranged and fixedly installed on the inner top wall of the drying box 1. A connecting air duct 8 is connected between the blowing port 7 and the fan 9, and the blowing port 7 is located inside the drying box 1 and is evenly arranged. A sieve plate 6 is installed inside one end of each blowing port 7 near the spiral conveyor 3 to prevent ceramsite from entering the blowing port 7 and causing the connecting air duct 8 to be blocked. A filter screen 13 is installed inside one end of the exhaust pipe 10 located inside the drying box 1, and a valve 14 is arranged at the other end of the exhaust pipe 10, so as to facilitate opening the valve 14 to reduce the temperature of the drying box 1 and prevent the temperature inside the drying box 1 from being too high. A support frame 2 is fixedly installed at the bottom end of the drying box 1, and a control panel 17 is fixedly installed on the side wall of one end of the support frame 2. The motor 4, fan 9, heating plate 5 and valve 14 are all electrically connected to the control panel 17, so that the working status of the motor 4, fan 9, heating plate 5 and valve 14 can be controlled through the control panel 17.

[0026] When the device is working, the granulated ceramsite is added into the guide pipe 12, so that the ceramsite is guided to fall into the bottom of the drying box 1. The heating plate 5 installed inside the drying box 1 is started through the control panel 17, so that the temperature inside the drying box 1 can be increased, so as to reduce the water content of the ceramsite after granulation. Through the blowing port 7 at the top of the spiral conveying body 3, the fan 9 can be started through the control panel 17, and hot air can be conveyed into the drying box 1 to further dry the ceramsite. The sieve plate 6 installed inside the blowing port 7 can prevent the ceramsite from entering the blowing port 7 and causing the connecting air duct 8 to be blocked. The motor 4 is started through the control panel 17 to drive the spiral conveying body 3 to rotate, so that the dried ceramsite can be conveyed to the conveyor belt 16, and the ceramsite can be stirred, thereby improving the drying efficiency of the ceramsite, solving the problem that the ceramsite is easily de-powdered when directly sent into the calcining kiln, so as not to affect the smoothness of the granulation, which is beneficial to improving the quality of the ceramsite granulation.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ceramsite granulation and drying device, comprising: The drying box (1) is characterized in that: a feed pipe (11) is connected to the top of one end of the drying box (1), a discharge pipe (15) is connected to the bottom of the other end of the drying box (1), and a spiral conveyor (3) is rotatably installed inside the drying box (1); A heating plate (5) is installed on the inner top wall of the drying box (1), a blowing port (7) is arranged on the top of the spiral conveyor (3), a fan (9) is installed on the top of the drying box (1) near the blowing port (7), and an exhaust pipe (10) is connected to the top of the drying box (1) away from the feeding pipe (11).

2. The ceramsite granulation and drying device according to claim 1, characterized in that: One end of the feed pipe (11) passes through the drying box (1) and is fixedly connected to a material guide pipe (12); the material guide pipe (12) is arc-shaped and is located at the top of the spiral conveyor (3).

3. The ceramsite granulation and drying device according to claim 1, characterized in that: The discharge pipe (15) is arc-shaped and is connected to the drying box (1); one end of the discharge pipe (15) away from the drying box (1) is in contact with a conveyor belt (16).

4. The ceramsite granulation and drying device according to claim 1, characterized in that: One end of the spiral conveyor (3) close to the discharge pipe (15) is rotatably mounted on the inner side wall of the drying box (1), and the other end of the spiral conveyor (3) passes through the drying box (1) and is connected to a motor (4). The motor (4) is fixedly mounted on the outer wall of one end of the drying box (1), and the rotating shaft of the motor (4) is fixedly connected to one end of the spiral conveyor (3).

5. The ceramsite granulation and drying device according to claim 1, characterized in that: A connecting air duct (8) is connected between the blowing port (7) and the fan (9); the blowing port (7) is located inside the drying box (1) and is evenly arranged in a plurality of numbers; a sieve plate (6) is installed inside one end of each blowing port (7) close to the spiral conveyor (3).

6. The ceramsite granulation and drying device according to claim 1, characterized in that: A filter screen (13) is installed inside one end of the exhaust pipe (10) located inside the drying box (1), and a valve (14) is provided at the other end of the exhaust pipe (10).

7. The ceramsite granulation and drying device according to claim 1, characterized in that: A support frame (2) is fixedly mounted on the bottom end of the drying box (1), a control panel (17) is fixedly mounted on a side wall at one end of the support frame (2), and the motor (4), the fan (9), the heating plate (5) and the valve (14) are all electrically connected to the control panel (17).

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