Material drying centrifugal mixing device and drying system thereof

Abstract

The utility model discloses a material drying and centrifugal mixing device and a drying system thereof, aims to overcome the defect that an existing drying machine adopts heating for drying, and provides the material drying and centrifugal mixing device and the drying system thereof. The device sequentially comprises a fixed cylinder, a heat preservation heating shell, a filter cylinder and a stirring shaft from outside to inside, the heat preservation heating shell is fixedly connected with the fixed cylinder, a first motor and a second motor are fixedly connected outside the fixed cylinder, the first motor drives the filter cylinder to rotate relative to the fixed cylinder, the second motor drives the stirring shaft to rotate, and a material changing opening is formed in the fixed cylinder. And an inner cavity is formed in the heat preservation heating shell, and an air suction pipe, an air supply pipe and a water outlet which are connected into the inner cavity are further arranged on the fixed cylinder. According to the device, the mode of combining centrifugation and heating is adopted, the drying efficiency can be improved, energy consumption is reduced, and mixing of materials can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, and more specifically, to a material drying centrifugal mixing device and a drying system thereof. Background Art

[0002] Dryers are mainly used in chemical industry, environmental protection building materials, feed and other industries.

[0003] Existing dryers evaporate water by temperature rise, which consumes a lot of energy. This application aims to improve it and reduce energy consumption. Utility Model Content

[0004] The utility model overcomes the drawbacks of the existing dryer that uses heating for drying, and provides a material drying centrifugal mixing device and a drying system thereof, which can combine the centrifugal method to shake off moisture, improve drying efficiency and reduce energy consumption.

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

[0006] A material drying centrifugal mixing device comprises, from outside to inside, a fixed cylinder, a heat preservation and heating shell, a filter cylinder and a stirring shaft. The heat preservation and heating shell is fixedly connected to the fixed cylinder. A first motor and a second motor are fixedly connected to the outside of the fixed cylinder. The first motor drives the filter cylinder to rotate relative to the fixed cylinder, and the second motor drives the stirring shaft to rotate. A material changing port is provided on the fixed cylinder, and the material changing port is connected to the filter cylinder. The heat preservation and heating shell forms an inner cavity. The fixed cylinder is also provided with an air intake pipe, an air supply pipe and a drain port connected to the inner cavity.

[0007] The fixed cylinder provides an external shell, and the heat preservation and heating shell is used to keep warm and provide heat. The internal filter cylinder rotates, driving the material to rotate, so that the material is centrifuged and the water is discharged out of the filter cylinder. The stirring shaft driven by the second motor stirs the material so that the material is fully mixed to ensure the consistency of the drying degree of the whole material.

[0008] Preferably, a heat insulating material is provided between the heat-insulating and heating shell and the fixed cylinder, and an infrared heater is fixedly connected to the outer wall of the heat-insulating and heating shell.

[0009] Preferably, a thermometer is also included, and the thermometer extends into the inner cavity.

[0010] Preferably, a dry air inlet is also included to perform drying by introducing dry heated air.

[0011] A drying system comprises a vacuum pump and a material exchange pipeline connected to a material exchange port, a pressure regulating pipeline connected to an air supply pipe and an air intake pipe, and the material drying centrifugal mixing device as described above, wherein the vacuum pump is respectively connected to the material exchange pipeline and the pressure regulating pipeline, and a plurality of switch valves are arranged on the material exchange pipeline and the pressure regulating pipeline, and the pipeline function is switched by switching the state of the switch valve, the pipeline function of the material exchange pipeline is feeding or discharging, and the pipeline function of the pressure regulating pipeline is to provide air pressure differences in different directions to an inner cavity.

[0012] The system uses a vacuum pump as suction. When feeding and drying, the pressure regulating pipeline generates suction, making the air pressure of the mixing device lower than the air pressure on the material side, and sucking the material into the material drying centrifugal mixing device; when returning the material after drying, the pressure of the pressure regulating pipeline is lower than the material changing pipeline, and the material is sucked out of the material changing pipeline in the opposite direction. In order to make the vacuum pump generate opposite force on the pipeline, vacuum pumps are set on both the pressure regulating pipeline and the material changing pipeline to complete this task.

[0013] Preferably, the pressure regulating pipeline includes a first pipeline and a second pipeline connected to the air inlet of the first vacuum pump through a first three-way pipe, the first pipeline is connected to the air supply pipe, the second pipeline is connected to the air suction pipe, the first pipeline supplies air to the inner cavity through the air supply pipe, and the second pipeline extracts air from the inner cavity through the air suction pipe. During the feeding process, the first pipeline is closed, the second pipeline is connected, and suction is generated by the first vacuum pump, thereby sucking in the material. During the discharge process, the opposite operation is performed.

[0014] Preferably, a dust removal and drying device is provided on the second pipeline, and the second pipeline is also connected to the atmospheric pressure through a branch pipe. Switch valves are provided on the first pipeline and the branch pipe, a switch valve is provided between the second pipeline and the air intake pipe, and a switch valve is provided between the dust removal and drying device and the first three-way pipe. This structure realizes the reuse of the dust removal and drying device. When performing the feeding process, the gas enters the vacuum pump from the second pipeline through the dust removal and drying device through the first three-way pipe; when performing the discharge process, the air enters the inner cavity from the branch pipe through the dust removal and drying device through the first three-way pipe.

[0015] Preferably, the dust removal and drying device includes a dust collector and a condenser. The dust collector keeps the air clean to avoid contaminating the outside atmosphere or materials, and the condenser dries the air to prevent moisture in the air from entering the materials again.

[0016] Preferably, the material exchange pipeline is connected to the feed pipeline and the storage pipeline through the second three-way pipe, the feed pipeline is connected to the feed device, the storage pipeline is connected to the storage device, and both the feed pipeline and the storage pipeline are provided with switch valves. The storage device is also connected to the air inlet of the second vacuum pump through the dust collector through the storage exhaust port. When the feeding process is executed, the material enters the inner cavity from the feed device; when the discharge process is executed, the material enters the storage device from the inner cavity, and the gas is discharged from the dust collector to the atmosphere through the vacuum pump.

[0017] Preferably, the switch valves on the feed pipeline and the storage pipeline are mutually exclusive.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] (1) The device uses a vacuum pump as power and a pipeline as a path, with fewer mechanical parts and easier maintenance;

[0020] (2) The combination of centrifugation and heating can improve drying efficiency, reduce energy consumption, and achieve material mixing;

[0021] (3) By designing the pipeline path, the dust removal and drying device can be reused, reducing the cost of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of a drying device of the utility model;

[0023] Figure 2 It is a system schematic diagram of the utility model;

[0024] In the figure:

[0025] Fixed cylinder 1, heat preservation and heating shell 2, filter cylinder 3, stirring shaft 4, first motor 5, second motor 6, material exchange port 7, inner cavity 8, dry air inlet 9, drain port 10, thermometer 11, suction pipe 12, air supply pipe 13, infrared heater 14, heat insulation material 15, drying device 16, dust collector 17, condenser 18, atmospheric pressure 19, vacuum pump A20, vacuum pump B21, feeding equipment 22, storage equipment 23, three-way pipe A24, three-way pipe B25, switch valve A28, switch valve B29, switch valve C30, switch valve D31, switch valve E32, switch valve F33, three-way pipe C34. DETAILED DESCRIPTION

[0026] The present disclosure is further described below in conjunction with the accompanying drawings and embodiments.

[0027] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0028] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0029] In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present disclosure, and do not specifically refer to any part or element in the present disclosure and should not be understood as limitations on the present disclosure.

[0030] In the present disclosure, terms such as "fixed connection", "connected", "connection", etc. should be understood in a broad sense, indicating that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meanings of the above terms in the present disclosure can be determined according to specific circumstances, and they cannot be understood as limitations on the present disclosure.

[0031] Example:

[0032] Ginseng Figure 1 As shown, a material drying centrifugal mixing device (hereinafter referred to as a drying device 16) includes a fixed cylinder 1, a heat preservation and heating shell 2, a filter cylinder 3 and a stirring shaft 4 from the outside to the inside.

[0033] The fixing cylinder 1 is fixed to an external positioning structure through a connecting ear, and is loaded with corresponding pipelines and connected to an external power source.

[0034] The heat preservation and heating shell 2 realizes heating of the interior. The heat preservation and heating shell 2 is fixedly connected to the fixed cylinder 1, and a heat insulation material 15 is arranged between the heat preservation and heating shell 2 and the fixed cylinder 1. An infrared heater 14 is fixedly connected to the outer wall of the heat preservation and heating shell 2. The heat preservation and heating shell 2 forms an inner cavity 8.

[0035] The filter cartridge 3 is arranged inside the heat preservation and heating shell 2. In some embodiments, the filter cartridge 3 is arranged concentrically with the heat preservation and heating shell 2 and the fixed cylinder 1. The filter cartridge 3 is arranged to rotate relative to the fixed cylinder 1. A first motor 5 is fixedly connected to the outside of the fixed cylinder 1, and the first motor 5 drives the filter cartridge 3 to rotate around its axis.

[0036] The stirring shaft 4 is arranged on the axis of the filter cartridge 3, and a stirring blade is arranged on the stirring shaft 4. A second motor 6 is fixedly connected to the outside of the fixed cartridge 1, and the second motor 6 drives the stirring shaft 4 to rotate.

[0037] A material changing port 7 is provided at one end of the fixing cylinder 1 and the heat preservation and heating shell 2 away from the first motor 5 and the second motor 6. The material changing port 7 is connected to the filter cylinder 3.

[0038] The fixed cylinder 1 is also provided with an air intake pipe 12 and an air delivery pipe 13 connected to the inner cavity 8 and a drain port 10. It also includes a thermometer 11, which extends into the inner cavity 8. It also includes a dry air inlet 9. During the mixing process, dry heated air can be optionally introduced to increase the temperature and dry.

[0039] The fixed cylinder 1 provides an external shell, and the heat preservation and heating shell 2 is used to keep warm and provide heat. The internal filter cylinder 3 rotates to drive the material to rotate, so that the material is centrifuged and the water is discharged to the outside of the filter cylinder 3 through the filter cylinder 3. The stirring shaft 4 driven by the second motor 6 stirs the material so that the material is fully mixed to ensure the consistency of the drying degree of the whole material.

[0040] On the basis of the device, a drying system is also included, including the drying device 16 as described above, a vacuum pump and a material exchange pipeline connected to the material exchange port 7, and a pressure regulating pipeline connected to the air supply pipe 13 and the air suction pipe 12. A plurality of switch valves are arranged on the material exchange pipeline and the pressure regulating pipeline, and the pipeline function is switched by switching the state of the switch valve. The pipeline function of the material exchange pipeline is feeding or discharging, and the pipeline function of the pressure regulating pipeline is to provide different pressure differences in directions to the inner cavity 8.

[0041] A first vacuum pump is provided on the pressure regulating pipeline. The pressure regulating pipeline includes a first pipeline and a second pipeline connected to the air inlet of the first vacuum pump through a first three-way pipe, the first pipeline is connected to the air supply pipe 13, and the second pipeline is connected to the air suction pipe 12. The first pipeline supplies air to the inner cavity 8 through the air supply pipe 13, and the second pipeline extracts air to the inner cavity 8 through the air suction pipe 12. During the feeding process, the first pipeline is closed and the second pipeline is connected, and suction is generated through the first vacuum pump to suck the material. During the discharge process, the opposite operation is performed. A dust removal and drying device 16 is provided on the second pipeline, and the second pipeline is also connected to the atmospheric pressure 19 through a branch pipe. Switch valves are provided on the first pipeline and the branch pipe, and a switch valve is provided on the second pipeline between the branch pipe and the air suction pipe 12, and a switch valve is provided between the dust removal and drying device 16 and the first three-way pipe. This structure realizes the reuse of the dust removal and drying device 16. When the feeding process is performed, the gas passes through the dust removal and drying device 16 from the second pipeline and enters the vacuum pump through the first three-way pipe; when the discharge process is performed, the air passes through the dust removal and drying device 16 from the branch pipe and enters the inner cavity 8 through the first three-way pipe. In some embodiments, the dust removal and drying device 16 includes a dust collector 17 and a condenser 18. The dust collector 17 keeps the air clean to avoid contaminating the outside atmosphere or materials, and the condenser 18 dries the air to prevent moisture in the air from entering the materials again.

[0042] A second vacuum pump is provided on the material exchange pipeline. The material exchange pipeline is respectively connected to the feed pipeline and the storage pipeline through the second three-way pipe. The feed pipeline is connected to the feed device 22, and the storage pipeline is connected to the storage device 23. Switch valves are provided on the feed pipeline and the storage pipeline. The storage device 23 is also connected to the air inlet of the second vacuum pump through the dust collector 17 through the storage exhaust port. The second vacuum pump is located at the end of the material exchange pipeline. The second vacuum pump is connected to the storage device 23 through the dust collector 17, and the storage device is connected to the drying device 16 through the second three-way pipe. When the feeding process is executed, the material enters the inner cavity 8 from the feed device 22; when the discharge process is executed, the material enters the storage device 23 from the inner cavity 8, and the gas is discharged from the dust collector 17 to the atmosphere through the second vacuum pump. The switch valves on the feed pipeline and the storage pipeline are mutually exclusive.

[0043] The system uses a vacuum pump as suction. When feeding and drying, the pressure regulating pipeline generates suction, making the air pressure of the mixing device lower than the air pressure on the material side, and sucking the material into the material drying centrifugal mixing device; when returning the material after drying, the pressure of the pressure regulating pipeline is lower than the material changing pipeline, and the material is sucked out of the material changing pipeline in the opposite direction. In order to make the vacuum pump generate opposite force on the pipeline, vacuum pumps are set on both the pressure regulating pipeline and the material changing pipeline to complete this task.

[0044] In order to clarify the entire process in detail, the following examples are provided to further describe the working process of the drying system.

[0045] Ginseng Figure 2 As shown, the air delivery pipe 13 of the material drying centrifugal mixing device (hereinafter referred to as the drying device 16) is connected to the three-way pipe A24;

[0046] One interface of the tee pipe A24 is connected to the atmospheric pressure 19 through a pipeline;

[0047] The other interface of the three-way pipe A24 is connected to the dust collector 17 and the condenser 18, and the outlet of the condenser 18 is connected to the three-way pipe B25;

[0048] One interface of the tee pipe B25 is connected to the vacuum pump A20;

[0049] The other interface of the tee pipe B25 is connected to the suction pipe 12;

[0050] In the above pipeline, a switch valve A28 is provided on the pipeline between the three-way pipe A24 and the atmospheric pressure 19;

[0051] A switch valve B29 is provided in the pipeline between the tee pipe A24 and the air supply pipe 13;

[0052] A switch valve C30 is provided on the pipeline between the tee pipe B25 and the air supply pipe 13;

[0053] A switch valve D31 is provided on the pipeline between the tee pipe B25 and the condenser 18;

[0054] The material exchange port 7 of the drying device 16 is connected to the tee pipe C34;

[0055] One interface of the tee pipe C34 is connected to the feeding device 22;

[0056] Another interface of the three-way pipe C34 is connected to an interface of the storage device 23;

[0057] Another interface of the material storage device 23 is connected to the inlet of the dust collector 17, and the outlet of the dust collector is connected to the inlet of the vacuum pump B21.

[0058] In the above pipeline, a switch valve E32 is provided between the three-way pipe C34 and the feeding device 22;

[0059] A switch valve F33 is provided between the three-way pipe C34 and the material storage device 23;

[0060] During feeding, vacuum pump A20 works, switch valve A28, switch valve C30, and switch valve F33 are closed, and switch valve B29, switch valve D31, and switch valve E32 are connected.

[0061] During discharge, the vacuum pump B21 works, the switch valve B29 and the switch valve E32 are closed, and the switch valve A28, the switch valve D31, the switch valve C30, and the switch valve F33 are connected.

[0062] The above-described embodiments are only preferred solutions of the present invention and are not intended to limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A material drying centrifugal mixing device, characterized in that: From outside to inside, it includes a fixed cylinder, a heat preservation and heating shell, a filter cylinder and a stirring shaft in sequence. The heat preservation and heating shell is fixedly connected to the fixed cylinder. A first motor and a second motor are fixedly connected to the outside of the fixed cylinder. The first motor drives the filter cylinder to rotate relative to the fixed cylinder, and the second motor drives the stirring shaft to rotate. The fixed cylinder is provided with a material changing port, which is connected to the filter cylinder. The heat preservation and heating shell forms an inner cavity. The fixed cylinder is also provided with an air intake pipe, an air supply pipe and a drain port connected to the inner cavity. A heat insulating material is arranged between the heat-insulating and heating shell and the fixing cylinder, and an infrared heater is fixedly connected to the outer wall of the heat-insulating and heating shell.

2. A material drying centrifugal mixing device according to claim 1, characterized in that: Also included is a thermometer, which extends into the inner cavity.

3. A material drying centrifugal mixing device according to claim 1, characterized in that: A dry air inlet is also included.

4. A drying system, characterized in that: It includes a vacuum pump and a material changing pipeline connected to a material changing port, a pressure regulating pipeline connected to an air supply pipe and an air suction pipe, and a material drying centrifugal mixing device as described in any one of claims 1 to 3, wherein the vacuum pump is respectively connected to the material changing pipeline and the pressure regulating pipeline, and a plurality of switch valves are arranged on the material changing pipeline and the pressure regulating pipeline, and the function of the pipeline is switched by switching the state of the switch valve, the pipeline function of the material changing pipeline is feeding or discharging, and the pipeline function of the pressure regulating pipeline is to provide air pressure differences in different directions to the inner cavity.

5. A drying system according to claim 4, characterized in that: The pressure regulating pipeline includes a first pipeline and a second pipeline connected to the air inlet of the first vacuum pump through a first three-way pipe, the first pipeline is connected to the air supply pipe, and the second pipeline is connected to the air suction pipe. The first pipeline supplies air to the inner cavity through the air supply pipe, and the second pipeline draws air into the inner cavity through the air suction pipe.

6. A drying system according to claim 5, characterized in that: A dust removal and drying device is provided on the second pipeline, and the second pipeline is also connected to atmospheric pressure through a branch pipe. Switch valves are provided on the first pipeline and the branch pipe, a switch valve is provided between the branch pipe and the intake pipe of the second pipeline, and a switch valve is provided between the dust removal and drying device and the first three-way pipe.

7. A drying system according to claim 6, characterized in that: The dust removal and drying device comprises a dust collector and a condenser.

8. A drying system according to claim 4, characterized in that: The material changing pipeline is respectively connected to the feeding pipeline and the material storage pipeline through the second three-way pipe. The feeding pipeline is connected to the feeding equipment, and the material storage pipeline is connected to the material storage equipment. Switch valves are provided on the feeding pipeline and the material storage pipeline. The material storage equipment is also connected to the air inlet of the second vacuum pump through the material storage exhaust port and the dust collector.

9. A drying system according to claim 8, characterized in that: The switch valves on the feed pipeline and the storage pipeline are mutually exclusive.

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