Hot air recycling device of roller dryer

Abstract

The utility model discloses a roller dryer hot air recycling device, and particularly relates to the technical field of roller dryer hot air recycling, which comprises a roller dryer body, and a hot air recycling processing device is arranged outside the roller dryer body. The hot air recycling treatment device comprises a collecting assembly and a filtering treatment assembly. Compared with the prior art, the hot air recycling device of the roller dryer has the advantages that hot air flow enters the air fusion pipeline to be mixed with normal-temperature air entering the air fusion pipeline, and then enters the heating equipment to be heated and discharged; according to the device, used heating gas is conveyed by arranging the collecting assembly and the filtering treatment assembly, the heating time of subsequent entering normal-temperature gas is shortened, the heating, conveying and drying efficiency of the whole device is greatly improved, the gas heating cost of the whole device is reduced, and the practicability and use convenience of the whole device are further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of hot air recycling of drum dryers, and more specifically, to a hot air recycling device for a drum dryer. Background Art

[0002] A dryer is a mechanical device that uses heat to reduce the moisture content of materials, used for drying. Dryers heat the material, vaporizing moisture (generally water or other volatile liquid components) to produce a solid material with a specified moisture content. Drying is performed to ensure the material's usability or further processing. Dryers are categorized by operating pressure: atmospheric pressure dryers and vacuum dryers. These are further divided into atmospheric pressure and reduced pressure dryers (reduced pressure dryers are also called vacuum dryers). Modern dryers began using intermittent fixed-bed dryers. There are many types of mechanical equipment used for drying, categorized by operating pressure: atmospheric pressure dryers and reduced pressure dryers (reduced pressure dryers are also called vacuum dryers). They can be classified by operating method as either batch or continuous. The drying medium can be air, flue gas, or other drying media. The flow of material and drying medium can be classified as cocurrent, countercurrent, or crosscurrent. According to the operating pressure, dryers are divided into two categories: atmospheric pressure dryers and vacuum dryers. Operating under vacuum can reduce the partial pressure of moisture vapor in the space and accelerate the drying process. It can also reduce the boiling point of moisture and the drying temperature of the material. Steam is not easy to leak. Therefore, vacuum dryers are suitable for drying heat-sensitive, easily oxidized, explosive and toxic materials and occasions where moisture vapor needs to be recovered.

[0003] At present, traditional dryers lose heat easily, and external gas needs to be continuously added during the processing. Since the temperature of the external gas is relatively low, more heat is required for heating, resulting in high energy consumption and difficulty in meeting usage needs. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides a hot air recycling device for a drum dryer to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a hot air recycling device for a drum dryer, comprising a drum dryer body, a hot air recycling processing device being arranged on the outside of the drum dryer body; the hot air recycling processing device comprising: a collecting component and a filtering processing component, the collecting component being arranged at the front end of the drum dryer body, and the filtering processing component being arranged on the side outer wall of the drum dryer body.

[0006] In a preferred embodiment, the collection component includes: a hot air collector, a front cover of a drum dryer, a telescopic transmission insulation pipe and a pressurized air pump, the front end of the pressurized air pump is installed at the rear end of the telescopic transmission insulation pipe, the front end of the telescopic transmission insulation pipe is installed at the rear end of the side of the hot air collector, the front end of the hot air collector is installed on the inner and outer walls of the front cover of the drum dryer, and the front cover of the drum dryer is installed at the front end of the drum dryer body.

[0007] In a preferred embodiment, the filtering and processing component includes: a filtering and processing cover, multiple filter racks, a lower air inlet, an upper exhaust duct, a gas fusion duct and a cold air inlet duct, and the front end of the gas fusion duct is installed at the rear end of the cold air inlet duct.

[0008] In a preferred embodiment, one end of the upper exhaust duct is installed on the side of the cold air inlet duct, and the other end of the upper exhaust duct is installed on the upper end of the filtering and processing cover.

[0009] In a preferred embodiment, the lower air inlet is opened at the upper end of the pressurized air pump, and the upper end of the pressurized air pump is installed at the lower end of the filtering and processing housing.

[0010] In a preferred embodiment, the multiple filter racks are detachably mounted inside a filter processing housing, and a sealing cover is mounted on the upper end of the filter processing housing.

[0011] In a preferred embodiment, a plurality of groups of filter plates are provided inside the multiple filter racks, and the size of the multiple filter racks matches the size of the interior of the filter processing housing.

[0012] The technical effects and advantages of this utility model are:

[0013] A hot air recycling device for a drum dryer. Compared with the existing technology, after the gas is processed by upward movement, it is discharged through the upper exhaust pipe arranged at the upper end and transmitted to the inside of the gas fusion pipe. The hot air flow enters the gas fusion pipe and is mixed with the normal temperature gas entering the internal machine and then enters the heating equipment for heating and discharge. The device transmits the used heated gas by arranging a collection component and a filtering processing component, reducing the heating time of the subsequent normal temperature gas entering, greatly improving the heating, transmission and drying efficiency of the entire device, reducing the cost of gas heating of the entire device, and further enhancing the practicality and ease of use of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 This is a structural diagram of the hot air recycling processing device of the present invention.

[0016] Figure 3 This is a schematic diagram of the structure of the transmission processing component of the present utility model.

[0017] Figure 4 This is a schematic diagram of the filter assembly structure of the present utility model.

[0018] The accompanying drawings are marked as follows: 1. Drum dryer body; 2. Hot air recycling treatment device; 21. Collection component; 211. Front cover of drum dryer; 212. Hot air collector; 213. Telescopic transmission insulation pipe; 214. Pressurized air pump; 22. Filtering treatment component; 221. Filtering treatment cover; 222. Multiple filter racks; 223. Filter plate; 224. Sealing cover; 225. Lower air inlet; 226. Upper exhaust duct; 227. Gas fusion duct; 228. Cold air inlet duct. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] As attached Figure 1-4 As shown, the utility model provides a hot air recycling device for a drum dryer, including a drum dryer body 1, and a hot air recycling processing device 2 is arranged outside the drum dryer body 1; the hot air recycling processing device 2 includes: a collecting component 21 and a filtering processing component 22, the collecting component 21 is arranged at the front end of the drum dryer body 1, and the filtering processing component 22 is arranged on the side outer wall of the drum dryer body 1.

[0021] The collecting assembly 21 includes: a hot air collector 212, a front cover plate 211 of the drum dryer, a telescopic transmission insulation pipe 213 and a pressurized air pump 214. The front end of the pressurized air pump 214 is installed at the rear end of the telescopic transmission insulation pipe 213, the front end of the telescopic transmission insulation pipe 213 is installed at the rear end of the side of the hot air collector 212, the front end of the hot air collector 212 is installed on the inner and outer walls of the front cover plate 211 of the drum dryer, and the front cover plate 211 of the drum dryer is installed at the front end of the drum dryer body 1.

[0022] The filtering and processing component 22 includes: a filtering and processing cover 221, a multiple filter rack 222, a lower air inlet 225, an upper exhaust duct 226, a gas fusion duct 227 and a cold air inlet duct 228. The front end of the gas fusion duct 227 is installed at the rear end of the cold air inlet duct 228, one end of the upper exhaust duct 226 is installed on the side of the cold air inlet duct 228, and the other end of the upper exhaust duct 226 is installed at the upper end of the filtering and processing cover 221. The lower air inlet 225 is opened at the upper end of the pressurized air pump 214, and the upper end of the pressurized air pump 214 is installed at the lower end of the filtering and processing cover 221. The multiple filter racks 222 are detachably installed inside the filtering and processing cover 221. A sealing cover 224 is installed at the upper end of the filtering and processing cover 221. Multiple groups of filter plates 223 are arranged inside the multiple filter racks 222. The size of the multiple filter racks 222 is adapted to the size of the inside of the filtering and processing cover 221.

[0023] The specific implementation method is as follows: when using the present invention, it is necessary to start the hot air collector 212 first. After the hot air collector 212 is started, it is transmitted to the inside of the pressurized air pump 214 through the telescopic transmission insulation pipe 213 set at the rear end, and then transmitted to the inside of the filter processing cover 221 by the pressurized air pump 214 for filtering and processing through the multiple filter racks 222 and multiple groups of filter plates 223 set inside the filter processing cover 221. After the gas is processed by upward movement, it is discharged through the upper exhaust pipe 226 set at the upper end and transmitted to the inside of the gas fusion pipe 227. The hot air flow enters the gas fusion pipe 227 and mixes with the normal temperature gas entering the inside, and then enters the heating equipment for heating and discharge. The device transmits the used heated gas by setting a collection component 21 and a filtering processing component 22, which reduces the heating time of the subsequent normal temperature gas, greatly improves the heating, transmission and drying efficiency of the entire device, reduces the cost of gas heating by the entire device, and further enhances the practicality and ease of use of the entire device.

[0024] Working principle of the present invention: When using the present invention, it is necessary to start the hot air collector 212 first. After the hot air collector 212 is started, it is transmitted to the inside of the pressurized air pump 214 through the telescopic transmission insulation pipe 213 set at the rear end, and then transmitted to the inside of the filter processing cover 221 by the pressurized air pump 214. The gas is filtered and processed through the multiple filter racks 222 and multiple groups of filter plates 223 set inside the filter processing cover 221. After the gas is processed by moving upward, it is discharged through the upper exhaust pipe 226 set at the upper end and transmitted to the inside of the gas fusion pipe 227. The hot air flow enters the gas fusion pipe 227 and mixes with the normal temperature gas entering the inside, and then enters the inside of the heating equipment for heating and discharge. The device transmits the used heated gas by setting a collection component 21 and a filter processing component 22.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0026] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0027] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drum dryer hot air recycling device, comprising a drum dryer body (1), characterized in that: A hot air recycling device (2) is provided outside the drum dryer body (1); The hot air recycling treatment device (2) comprises: a collecting component (21) and a filtering treatment component (22), wherein the collecting component (21) is arranged at the front end of the drum dryer body (1), and the filtering treatment component (22) is arranged on the side outer wall of the drum dryer body (1).

2. The hot air recycling device for a drum dryer according to claim 1, characterized in that: The collecting assembly (21) comprises: a hot air collector (212), a drum dryer front cover (211), a telescopic transmission heat-insulating pipe (213) and a pressurized air pump (214), wherein the front end of the pressurized air pump (214) is mounted on the rear end of the telescopic transmission heat-insulating pipe (213), the front end of the telescopic transmission heat-insulating pipe (213) is mounted on the side rear end of the hot air collector (212), the front end of the hot air collector (212) is mounted on the inner and outer walls of the drum dryer front cover (211), and the drum dryer front cover (211) is mounted on the front end of the drum dryer body (1).

3. The hot air recycling device for a drum dryer according to claim 2, characterized in that: The filtering and processing assembly (22) comprises: a filtering and processing housing (221), a multi-filter frame (222), a lower air inlet (225), an upper exhaust duct (226), a gas fusion duct (227), and a cold air inlet duct (228), wherein the front end of the gas fusion duct (227) is mounted on the rear end of the cold air inlet duct (228).

4. The hot air recycling device for a drum dryer according to claim 3, characterized in that: One end of the upper exhaust duct (226) is installed on the side of the cold air inlet duct (228), and the other end of the upper exhaust duct (226) is installed on the upper end of the filtering and processing housing (221).

5. The hot air recycling device for a drum dryer according to claim 3, characterized in that: The lower air inlet (225) is opened at the upper end of the pressurized air pump (214), and the upper end of the pressurized air pump (214) is mounted on the lower end of the filtering and processing housing (221).

6. The hot air recycling device for a drum dryer according to claim 3, characterized in that: The multiple filter rack (222) is detachably mounted inside the filter processing housing (221), and a sealing cover (224) is mounted on the upper end of the filter processing housing (221).

7. The hot air recycling device for a drum dryer according to claim 3, characterized in that: A plurality of groups of filter plates (223) are provided inside the multiple filter rack (222), and the size of the multiple filter rack (222) is adapted to the size of the interior of the filter processing housing (221).

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