CN219934568U

CN219934568U - Belt dryer

Info

Publication number: CN219934568U
Application number: CN202321112044.4U
Authority: CN
Inventors: 杜娟
Original assignee: Shenyang Changcheng Filter Cardboard Co ltd
Current assignee: Shenyang Changcheng Filter Cardboard Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-10-31
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a belt dryer, which relates to the technical field of papermaking equipment and comprises a box body, wherein three groups of drying mechanisms are arranged in the box body, the three groups of drying mechanisms are sequentially arranged in the box body from top to bottom, each group of drying mechanisms comprises a cloth component, a conveying component and a drying component, each group of cloth component is arranged above each group of conveying component and is positioned at the tail end of the conveying direction, the rotation directions of the uppermost conveying component and the lowermost conveying component are the same and opposite to the rotation direction of the middle conveying component, and materials on each group of conveying components can be dried through each group of drying components; according to the utility model, by arranging the three groups of drying mechanisms, the conveying speed, the drying temperature and the material layer thickness of the materials on each group of drying mechanisms can be respectively adjusted, so that the materials can have an adaptive drying mode in different drying stages, and the drying effect is further improved.

Description

Belt dryer

Technical Field

The utility model relates to the technical field of papermaking equipment, in particular to a belt dryer.

Background

The belt dryer is continuous drying equipment for batch production, is used for drying flaky, strip-shaped and granular materials with good air permeability, is particularly suitable for materials with high water content and inadmissible high temperature, and has the advantages of high drying speed, high evaporation intensity and good product quality.

In the process of papermaking, a belt dryer is required to dry raw materials, the existing dryer mainly carries out drying treatment on the materials on a conveying belt through hot air, but in the drying treatment process, the drying modes required by the raw materials in different stages are different, for example, in the primary drying stage of the materials, the raw materials are high in water content and poor in air permeability, usually smaller paving thickness, faster running speed and higher drying temperature are adopted, slower running speed and thicker material layers are adopted in the final drying stage, different drying modes cannot be used for the drying degree of the raw materials in different stages by the existing dryer, and the thickness of the raw materials on the conveying belt cannot be adjusted in different stages, so that the drying effect is poor.

Disclosure of Invention

According to the belt dryer, the three groups of drying mechanisms are arranged, so that the conveying speed, the drying temperature and the material layer thickness of materials on each group of drying mechanisms can be respectively adjusted, the materials can be dried in an adaptive manner in different drying stages, and the drying effect is further improved.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a belt dryer, includes the box, be provided with three groups drying mechanism in the box, three groups drying mechanism is by last to arranging in proper order in the box down, every group drying mechanism includes cloth subassembly, conveying subassembly and drying subassembly, every group cloth subassembly sets up in the top of every group conveying subassembly and is located conveying direction's end, sets up in the top and below conveying subassembly's rotation direction is the same and opposite with middle conveying subassembly's rotation direction, through every group drying subassembly can dry the material on every group conveying subassembly respectively, just be located the position of below conveying subassembly conveying direction front end in the box, the central position intercommunication of second hopper bottom is connected with the discharging pipe, the exit side and the box intercommunication of discharging pipe are connected, three groups drying mechanism can be with the material from in the cloth subassembly of top convey the discharging intraductal, the cloth subassembly can be adjusted the thickness of material on conveying subassembly.

Preferably, each group of material distribution assembly comprises a first hopper, an air cylinder, a material stirring plate, a material blocking plate and a pair of side plates, wherein the first hopper is fixedly arranged on the inner side wall of the box body, the first hopper is arranged above the corresponding conveying assembly and is positioned at the tail end of the conveying direction, the material blocking plate is arranged at the bottom of the first hopper and is positioned at one side of the tail end of the conveying assembly in the rotating direction, one end of the material stirring plate is hinged to the bottom of one side, opposite to the first hopper, of the material blocking plate, the telescopic end of the air cylinder is hinged to the material stirring plate, the other end of the air cylinder is hinged to the side wall of the first hopper, and the pair of side plates are arranged at two sides of the bottom of the first hopper.

Preferably, each group of conveying assembly comprises a pair of carrier rollers, a punching conveying belt and a driving motor, wherein two ends of each pair of carrier rollers are rotatably arranged on side walls on two sides of the box body, the punching conveying belt is arranged on the pair of carrier rollers, and the driving motor is arranged on the outer side wall of the box body and the output end of the driving motor is connected with the carrier rollers.

Preferably, each group of drying components comprises an air inlet header, an air outlet header, an air inlet pipe and an air outlet pipe, wherein each air inlet header is arranged on the inner side wall of the box body and positioned at the middle position of each punching conveyor belt, a plurality of first through holes are formed in the top of the air inlet header, one end of each air inlet pipe is communicated with the air inlet header and the side wall of the box body, the other end of each air inlet pipe is connected with an outlet of an external hot air mechanism, each air outlet header is arranged on the inner side wall of the box body and positioned above each punching conveyor belt, a plurality of second through holes are formed in the bottom of each air outlet header, one end of each air outlet pipe is communicated with the air outlet header and the side wall of the box body, and the other end of each air outlet pipe is connected with an inlet of the external air guide mechanism.

Preferably, the top of the box body is provided with a vent hole.

The utility model provides a belt dryer, which has the following beneficial effects:

1. according to the utility model, by arranging the three groups of drying mechanisms, the conveying speed, the drying temperature and the material layer thickness of the materials on each group of drying mechanisms can be respectively adjusted, so that the materials can have an adaptive drying mode in different drying stages, and the drying effect is further improved;

2. when the telescopic end of the cylinder stretches out or contracts, the material stirring plate connected with the telescopic end is driven to rotate by taking the hinged position of the material stirring plate and the first hopper as the circle center, and when materials fall onto the conveying assembly from the first hopper, the height of the end part of the material stirring plate is the adjusted material layer thickness.

Drawings

Fig. 1 is a schematic view of a belt dryer according to the present utility model.

Fig. 2 is a front view of a belt dryer according to the present utility model.

Fig. 3 is an enlarged view of a portion a of fig. 1 of a belt dryer according to the present utility model.

In the figure: 1. a case; 2. a first hopper; 3. a cylinder; 4. a kick-out plate; 5. a striker plate; 6. a side plate; 7. a driving motor; 8. an air inlet pipe; 9. a second hopper; 10. a discharge pipe; 11. a carrier roller; 12. a perforated conveyor belt; 13. an air inlet header; 14. an air outlet header; 15. an air outlet pipe; 16. a first through hole; 17. a second through hole; 18. and (3) a vent hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, a belt dryer comprises a box body 1, three groups of drying mechanisms are arranged in the box body 1, the three groups of drying mechanisms are sequentially arranged in the box body 1 from top to bottom, each group of drying mechanisms comprises a material distributing component, a conveying component and a drying component, each group of material distributing components is arranged above each group of conveying components and is positioned at the tail end of the conveying direction, the rotation directions of the uppermost conveying component and the lowermost conveying component are the same and opposite to the rotation direction of the middle conveying component, the materials on each group of conveying components can be dried through each group of drying components, a second hopper 9 is arranged in the box body 1 and positioned at the front end of the conveying direction of the lowermost conveying component, the center position of the bottom of the second hopper 9 is communicated and connected with a material discharging pipe 10, the outlet side of the material discharging pipe 10 is communicated and connected with the box body 1, the three groups of drying mechanisms can convey the materials from the uppermost material distributing component to the material discharging pipe 10, and the material distributing components can adjust the thickness of the materials on the conveying components; each group of material distribution components comprises a first hopper 2, a cylinder 3, a material stirring plate 4, a material blocking plate 5 and a pair of side plates 6, wherein the first hopper 2 is fixedly arranged on the inner side wall of the box body 1, the first hopper 2 is arranged above the corresponding conveying component and is positioned at the tail end of the conveying direction, the material blocking plate 5 is arranged at the bottom of the first hopper 2 and is positioned at one side of the tail end of the conveying component in the rotating direction, one end of the material stirring plate 4 is hinged with the bottom of the side, opposite to the side, where the material blocking plate 5 is arranged, of the first hopper 2, the telescopic end of the cylinder 3 is hinged with the material stirring plate 4, the other end of the cylinder is hinged with the side wall of the first hopper 2, and the pair of side plates 6 are arranged at two sides of the bottom of the first hopper 2; each group of conveying assembly comprises a pair of carrier rollers 11, a punching conveying belt 12 and a driving motor 7, two ends of the pair of carrier rollers 11 are rotatably arranged on the side walls of two sides of the box body 1, the punching conveying belt 12 is arranged on the pair of carrier rollers 11, and the driving motor 7 is arranged on the outer side wall of the box body 1 and the output end of the driving motor is connected with the carrier rollers 11; each group of drying components comprises an air inlet header 13, an air outlet header 14, an air inlet pipe 8 and an air outlet pipe 15, wherein each air inlet header 13 is arranged on the inner side wall of the box body 1 and positioned in the middle of each punching conveyor belt 12, a plurality of first through holes 16 are formed in the top of each air inlet header 13, one end of each air inlet pipe 8 is communicated with the air inlet header 13 and the side wall of the box body 1, the other end of each air inlet pipe is connected with an outlet of an external hot air mechanism, each air outlet header 14 is arranged on the inner side wall of the box body 1 and positioned above each punching conveyor belt 12, a plurality of second through holes 17 are formed in the bottom of each air outlet header 14, one end of each air outlet pipe 15 is communicated with the air outlet header 14 and the side wall of the box body 1, and the other end of each air outlet pipe is connected with an inlet of the external air inducing mechanism; the top of the box 1 is provided with a vent 18.

The detailed connection means are known in the art, and the following mainly introduces the working principle and process, specifically as follows:

in the utility model, the driving motor 7 and the air cylinder 3 are connected with an external electric control system through wires, and the connection mode is the prior art, and is not repeated here.

According to the description, as shown in fig. 1-3, when the device is used, firstly, the conveying components in the three groups of drying mechanisms are respectively started, so that the rotation speed of the uppermost conveying component is faster than that of the middle conveying component, the rotation speed of the middle conveying component is faster than that of the lowermost conveying component, secondly, the three groups of drying components are respectively heated, the inlets of the three groups of drying components are respectively connected with the outlets of the external hot air mechanisms, the outlets of the three groups of drying components are respectively connected with the inlets of the air inducing mechanism, the air temperature of the outlets of the uppermost drying component is higher than that of the outlets of the middle drying component, the air temperature of the outlets of the middle drying component is higher than that of the outlets of the lowermost drying component, finally, materials to be dried are conveyed into the uppermost distributing component, the thicknesses of the material layers on the three groups of conveying components are respectively adjusted through the three groups of distributing components, so that the thicknesses of the material layers on the uppermost conveying component are smaller than that of the material layers on the middle conveying component, the thicknesses of the material layers on the middle conveying component are smaller than that of the material layers on the lowermost conveying component, and the material layers on the uppermost conveying component are sequentially discharged from the uppermost distributing component, the uppermost conveying component, the middle conveying component, the lowermost conveying component and the lowermost conveying component, the material layer and the lowermost conveying component are sequentially arranged on the drying layer 10 through the drying pipe, and the drying component; according to the utility model, by arranging the three groups of drying mechanisms, the conveying speed, the drying temperature and the material layer thickness of the materials on each group of drying mechanisms can be respectively adjusted, so that the materials can have an adaptive drying mode in different drying stages, and the drying effect is further improved.

When the material falls onto the conveying assembly from the first hopper 2, the height of the end part of the material stirring plate 4, namely the adjusted material layer thickness, is arranged at the bottom of the first hopper 2 and a pair of side plates 6 arranged at two sides of the tail end of the rotating direction of the conveying assembly, so that the material can not flow out from other positions.

There is a possibility of implementation, every group conveying subassembly includes a pair of bearing roller 11, punch conveyer belt 12 and driving motor 7, the both ends of a pair of bearing roller 11 rotate and set up on the lateral wall of box 1 both sides, punch conveyer belt 12 sets up on a pair of bearing roller 11, driving motor 7 sets up on the lateral wall of box 1 and the output is connected with bearing roller 11, it rotates rather than the bearing roller 11 who connects to drive when driving motor 7's output rotates, bearing roller 11 drives the conveyer belt 12 that punches again and rotates, it removes to drive the material when punching conveyer belt 12 rotates, the output of every driving motor 7 is connected with the bearing roller 11 that keeps away from first hopper 2 in this conveying subassembly.

When the drying assembly dries the materials on the corresponding conveying assembly, an external hot air mechanism connected with one end of the air inlet pipe 8 is started, the external hot air mechanism blows hot air into the air inlet header 13 through the air inlet pipe 8, a plurality of first through holes 16 are formed in the top of the air inlet header 13, the hot air dries the materials on the perforated conveying belt 12 through the plurality of first through holes 16, one end of the air outlet pipe 15 is connected with an inlet of the external air guiding mechanism, and the external air guiding mechanism sucks out the dried hot air through the air outlet pipe 15 and the air outlet header 14 arranged on the perforated conveying belt 12.

There is a possibility of implementation that the top of the case 1 is provided with a vent hole so that the hot air in the case 1 can be exhausted from the vent hole.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a belt dryer, includes box (1), its characterized in that, be provided with three groups drying mechanism in box (1), three groups drying mechanism is from top to bottom arranges in proper order in box (1), every group drying mechanism includes cloth subassembly, conveying subassembly and drying module, every group cloth subassembly sets up in the top of every group conveying subassembly and is located conveying direction's end, sets up in the top and the below conveying subassembly's rotation direction is the same and opposite with middle conveying subassembly's rotation direction, through every group drying module can dry the material on every group conveying subassembly respectively, the position that just is located the conveying direction front end of below conveying subassembly in box (1) is provided with second hopper (9), the central point of second hopper (9) bottom puts the intercommunication and is connected with discharging pipe (10), the exit side and the box (1) intercommunication of discharging pipe (10) are connected, and three groups drying mechanism can be with the material from in the cloth subassembly of top conveying pipe (10), thickness can carry out the adjustment to the material on conveying subassembly.

2. The belt dryer according to claim 1, wherein each of the cloth components comprises a first hopper (2), a cylinder (3), a stirring plate (4), a baffle plate (5) and a pair of side plates (6), the first hopper (2) is fixedly arranged on the inner side wall of the box body (1), the first hopper (2) is arranged above the corresponding conveying component and is positioned at the tail end of the conveying direction, the baffle plate (5) is arranged at the bottom of the first hopper (2) and is positioned at one side of the tail end of the conveying component in the rotating direction, one end of the stirring plate (4) is hinged with the bottom of the side opposite to the side, of the stirring plate (5), of the cylinder (3) is hinged with the stirring plate (4), the other end of the cylinder is hinged with the side wall of the first hopper (2), and the pair of side plates (6) are arranged at two sides of the bottom of the first hopper (2).

3. Belt dryer according to claim 2, characterized in that each group of said conveyor assembly comprises a pair of idlers (11), a perforated conveyor belt (12) and a driving motor (7), the two ends of a pair of said idlers (11) are rotatably arranged on the side walls of the two sides of the box (1), said perforated conveyor belt (12) is arranged on a pair of idlers (11), said driving motor (7) is arranged on the outer side wall of the box (1) and the output end is connected with the idlers (11).

4. A belt dryer according to claim 3, characterized in that each group of drying components comprises an air inlet header (13), an air outlet header (14), an air inlet pipe (8) and an air outlet pipe (15), each air inlet header (13) is arranged on the inner side wall of the box body (1) and located at the middle position of each punching conveyor belt (12), a plurality of first through holes (16) are formed in the top of the air inlet header (13), one end of the air inlet pipe (8) is connected with the air inlet header (13) and the side wall of the box body (1) in a communicating manner, the other end of the air inlet pipe is connected with the outlet of the external hot air mechanism, each air outlet header (14) is arranged on the inner side wall of the box body (1) and located at the upper position of each punching conveyor belt (12), a plurality of second through holes (17) are formed in the bottom of each air outlet header (14), one end of the air outlet pipe (15) is connected with the air outlet header (14) and the side wall of the box body (1) in a communicating manner, and the other end of the air outlet pipe is connected with the inlet of the external air guiding mechanism.

5. Belt dryer according to claim 1, characterized in that the top of the box (1) is provided with ventilation holes (18).