CN212006650U - Hollow paddle dryer - Google Patents

Abstract

The utility model relates to a hollow paddle dryer. A partition plate is fixedly installed in a horizontal box body, the inner cavity of the horizontal box is divided into a first chamber and a second chamber, and a feeding hopper is communicated with the first chamber , the discharge hopper is communicated with the second chamber, and the wet material is placed in the feeding hopper. The wet material enters the first chamber from the feeding hopper and moves to the other end of the horizontal box under the conveying of the first spiral hollow blade. , During the moving process, the first spiral hollow blade heats the wet material. When the wet material is transported to the end of the conveying blade group, the conveying blade group transfers the wet material from the material through hole into the second chamber and enters the second chamber. The material in the chamber is transported to the discharge hopper by the second spiral hollow blade, and the dried material flows out from the discharge hopper, which can shorten the length of the hollow shaft while ensuring the walking path of the material, thereby reducing the length of the horizontal box. The dryer is shorter overall and occupies less space, which expands the scope of use and improves the drying efficiency of materials.

Description

Hollow paddle dryer

technical field

The utility model relates to the technical field of drying equipment, in particular to a hollow paddle dryer.

Background technique

The paddle type sludge dryer is equipped with a spiral hollow blade on the hollow shaft, in which the heat carrier is passed, and the material to be dried is fully heat exchanged during stirring for drying, and is continuously transported forward under the action of the spiral hollow blade. . In order to achieve the drying of the material, the wet material should be fully contacted with the hollow screw blade. Since the wet material is continuously transported forward under the action of the hollow screw blade, in order to make the wet material fully contact with the hollow screw blade, the hollow screw will be removed. The shaft is designed to be longer, which makes the overall length of the existing dryer longer, occupies a larger space, and is limited in use, and is only used in large places.

Utility model content

The technical problem to be solved by the utility model is: in order to overcome the problems that the existing dryer is relatively long as a whole, occupies a large space and is limited in use, a hollow paddle dryer is provided.

The technical solution adopted by the utility model to solve the technical problem is as follows: a hollow paddle dryer, comprising a horizontal box body, a partition plate is fixedly installed in the horizontal box body, and the partition plate separates the horizontal box body. The inner cavity is divided into a first chamber and a second chamber, a cover plate is fixedly installed on the horizontal box body, and a feed hopper communicated with the first chamber is fixedly installed on the cover plate. The bottom of the box is fixedly installed with a discharge hopper that communicates with the second chamber. The discharge hopper and the feed hopper are located at the same end of the horizontal box. A first stirring assembly is rotatably installed in the first chamber. A second stirring assembly is fixedly installed in the two chambers, and the first stirring assembly and the second stirring assembly are driven to rotate by a driving device;

The first stirring assembly includes a first hollow rotating shaft, the first hollow rotating shaft is rotatably mounted on the horizontal box, and both ends of the first hollow rotating shaft are respectively provided with a heating medium inlet and a heating medium outlet, and the first hollow rotating shaft is provided with a heating medium inlet and a heating medium outlet respectively. Two ends of a hollow rotating shaft are respectively fixed with a first spiral hollow blade and a conveying blade group, a material through hole is opened on the partition plate, the conveying blade group is arranged opposite to the material through hole, and the conveying blade group is arranged opposite to the material through hole. It includes a hollow conveying blade, the inner cavity of the hollow conveying blade is communicated with the inner cavity of the first hollow rotating shaft, and a plurality of the hollow conveying blades are evenly distributed along the circumference of the central axis of the first hollow rotating shaft;

The second stirring assembly includes a second hollow rotating shaft, the second hollow rotating shaft is rotatably mounted on the horizontal box, the second hollow rotating shaft and the first hollow rotating shaft are both parallel to the partition plate and arranged at intervals, the The two ends of the second hollow shaft are respectively provided with a heating medium inlet and a heating medium outlet, and a second helical hollow blade is fixedly installed on the second hollow shaft, and the second helical hollow blade and the first helical hollow blade opposite direction of rotation.

In the hollow blade dryer of the utility model, a partition plate is fixedly installed in the horizontal box, the inner cavity of the horizontal box is divided into a first chamber and a second chamber, the feeding hopper is communicated with the first chamber, and the outlet The hopper is communicated with the second chamber, and the wet material is placed in the feeding hopper. The wet material enters the first chamber from the feeding hopper, and moves to the other end of the horizontal box under the conveying of the first spiral hollow blade. During the moving process, the first spiral hollow blade heats the wet material. When the wet material is transported to the end of the conveying blade group, the conveying blade group transfers the wet material from the material through hole into the second chamber. The hopper is located at the same end of the horizontal box, the second spiral hollow blade and the first spiral hollow blade rotate in opposite directions, the material entering the second chamber is transported to the discharge hopper by the second spiral hollow blade, and after drying The material flows out from the discharge hopper, the utility model divides the inner cavity of the horizontal box into two chambers, and the first spiral hollow blade and the second spiral hollow blade with opposite rotation directions are respectively installed in the two chambers, The walking path of the wet material in the horizontal box is the length of two horizontal boxes. While ensuring the walking path of the material, the length of the hollow shaft can be shortened, thereby reducing the length of the horizontal box and the dryer as a whole. , occupies less space, expands the scope of use, and improves the drying efficiency of materials.

Since the hollow shaft is filled with a heat carrier, the hollow shaft can also heat the material, so the material close to the hollow shaft is heated more. In order to achieve uniform heating of the material, the thickness of the hollow conveying blade gradually increases from the hollow shaft outward. Increase, the contact area of the hollow conveying blade close to the hollow shaft and the material is smaller, and the hollow conveying blade far from the hollow shaft also has a larger contact area of the material, so as to achieve uniform heating of the material.

Further, the bottom of the horizontal box body is provided with a first arc surface coaxial with the first hollow rotating shaft and a second arc surface coaxial with the second hollow rotating shaft, and the partition plate is fixedly installed on the first arc surface. Between the arc surface and the second arc surface, the end of the hollow conveying blade is an arc surface that fits with the second arc surface.

Further, the drive device includes a drive motor and a reducer, the drive motor and the reducer are connected in a drive, the output end of the reducer is fixedly installed with a driving gear, and the driving gear is coaxially and fixedly connected to the first hollow shaft. , a driven gear is coaxially fixed on the second hollow rotating shaft, and the driven gear meshes with the driving gear.

In order to improve the drying efficiency of the material in the present invention, the separating plate is a heating plate.

The beneficial effects of the utility model are as follows: the hollow paddle dryer of the present utility model is fixedly installed with a partition plate in the horizontal box body, and the inner cavity of the horizontal box body is divided into a first chamber and a second chamber, and the feeding hopper It is connected with the first chamber, the discharge hopper is connected with the second chamber, and the wet material is placed in the feed hopper. The other end of the box moves. During the movement, the first spiral hollow blade heats the wet material. When the wet material is transported to the end of the conveying blade group, the conveying blade group pushes the wet material from the material through hole into the second. In the chamber, since the discharge hopper and the feed hopper are located at the same end of the horizontal box, the second spiral hollow blade and the first spiral hollow blade rotate in opposite directions, and the material entering the second chamber is removed by the second spiral hollow blade. The blade is transported to the discharge hopper, and the dried material flows out from the discharge hopper. The utility model divides the inner cavity of the horizontal box into two chambers, and the first spiral hollow blades with opposite rotation directions are respectively installed in the two chambers. And the second spiral hollow blade, the walking path of the wet material in the horizontal box is the length of two horizontal boxes, which can shorten the length of the hollow shaft while ensuring the walking path of the material, thereby reducing the horizontal box. The length of the dryer is shorter as a whole, and the space occupied is smaller, which expands the scope of use and improves the drying efficiency of materials.

Description of drawings

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is a three-dimensional schematic diagram of the present utility model;

Fig. 2 is the top view of the utility model when the cover plate is not installed;

3 is a three-dimensional schematic diagram of the first stirring assembly in the present invention;

Figure 4 is a right side view of the first stirring assembly in the present invention.

In the picture: 1. Horizontal box, 2. Separation plate, 2-1. Material through hole, 3. Cover plate, 4. Feed hopper, 5. Outlet hopper, 6. The first hollow shaft, 7. The first A screw hollow blade, 8. hollow conveying blade, 9. second hollow shaft, 10. second screw hollow blade, 11. drive motor, 12. reducer, 13. driving gear, 14. driven gear.

Detailed ways

The present utility model will now be described in further detail in conjunction with the accompanying drawings. These drawings are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

As shown in FIG. 1, a hollow blade dryer includes a horizontal box 1, and a partition plate 2 is fixedly installed in the horizontal box 1. The partition plate 2 is a heating plate, and the partition plate 2 is a heating plate. The partition plate 2 divides the inner cavity of the horizontal box body 1 into a first chamber and a second chamber. The feeding hopper 4 communicated with the chamber, the bottom of the horizontal box 1 is fixedly installed with the discharging hopper 5 which communicates with the second chamber, the discharging hopper 5 and the feeding hopper 4 are located at the same end of the horizontal box 1 , a first stirring assembly is rotatably installed in the first chamber, a second stirring assembly is fixedly installed in the second chamber, and the first stirring assembly and the second stirring assembly are driven to rotate by a driving device;

The first stirring assembly includes a first hollow shaft 6, which is rotatably mounted on the horizontal box 1, and two ends of the first hollow shaft 6 are respectively provided with a heating medium inlet and a heating medium outlet. , the two ends of the first hollow shaft 6 are respectively fixed with a first helical hollow blade 7 and a conveying blade group, the partition plate 2 is provided with a material through hole 2-1, and the conveying blade group is connected to the material The through holes 2-1 are arranged opposite to each other. As shown in FIG. 2, the conveying blade group includes a hollow conveying blade 8, and the inner cavity of the hollow conveying blade 8 is communicated with the inner cavity of the first hollow rotating shaft 6. The blades 8 are evenly distributed along the circumference of the central axis of the first hollow shaft 6. As shown in FIG. 3, the thickness of the hollow conveying blades 8 gradually increases from the outside of the hollow shaft. As shown in FIG. The contact area between the conveying blade 8 and the material is small, and the hollow conveying blade 8 away from the hollow shaft also has a larger contact area for the material, so as to achieve uniform heating of the material.

The second stirring assembly includes a second hollow shaft 9 , the second hollow shaft 9 is rotatably mounted on the horizontal box 1 , and the second hollow shaft 9 and the first hollow shaft 6 are both parallel to the partition plate 2 . The two ends of the second hollow rotating shaft 9 are respectively provided with a heating medium inlet and a heating medium outlet, and a second helical hollow blade 10 is fixedly installed on the second hollow rotating shaft 9. The direction of rotation of the blade 10 is opposite to that of the first helical hollow blade 7 .

The bottom of the horizontal box body 1 is provided with a first arc surface coaxial with the first hollow rotating shaft 6 and a second arc surface coaxial with the second hollow rotating shaft 9, and the partition plate 2 is fixedly installed on the first arc surface. Between the first arc surface and the second arc surface, the end of the hollow conveying blade 8 is an arc surface that fits with the second arc surface.

The drive device includes a drive motor 11 and a reducer 12, the drive motor 11 and the reducer 12 are connected in a driving manner, the output end of the reducer 12 is fixedly installed with a driving gear 13, and the driving gear 13 is connected to the first hollow shaft. 6 Coaxially fixedly connected, the second hollow shaft 9 is coaxially fixedly mounted with a driven gear 14 , and the driven gear 14 meshes with the driving gear 13 .

In the hollow paddle dryer of the present invention, a partition plate 2 is fixedly installed in the horizontal box body 1, and the inner cavity of the horizontal box body 1 is divided into a first chamber and a second chamber. The first chamber is connected, the discharge hopper 5 is connected with the second chamber, and the wet material is placed in the feed hopper 4. The wet material enters the first chamber from the feed hopper 4, and is conveyed by the first hollow screw blade 7 to the lower side. The other end of the horizontal box 1 moves. During the movement, the first spiral hollow blade 7 heats the wet material. When the wet material is transported to the end of the conveying blade group, the conveying blade group transfers the wet material from the material through hole. 2-1 Dial into the second chamber, since the discharge hopper 5 and the feed hopper 4 are located at the same end of the horizontal box 1, the second spiral hollow blade 10 and the first spiral hollow blade 7 rotate in the opposite direction, entering The material in the second chamber is transported to the discharge hopper 5 by the second spiral hollow blade 10, and the dried material flows out from the discharge hopper 5. The utility model divides the inner chamber of the horizontal box 1 into two chambers. The first spiral hollow blade 7 and the second spiral hollow blade 10 with opposite rotation directions are respectively installed in the two chambers. The walking path of the wet material in the horizontal box 1 is the length of the two horizontal boxes 1. While ensuring the material walking path, the length of the hollow shaft can be shortened, thereby reducing the length of the horizontal box 1, the dryer as a whole is shorter, the space occupied is smaller, the scope of use is expanded, and the drying efficiency of the material is improved.

Taking the above ideal embodiment according to the present invention as inspiration, through the above description, relevant staff can make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present utility model is not limited to the content in the description, and its technical scope must be determined according to the scope of the claims.

Claims (5)

1. A hollow blade dryer, comprising a horizontal box (1), characterized in that: a partition plate (2) is fixedly installed in the horizontal box (1), and the partition plate (2) ) Divide the inner cavity of the horizontal box (1) into a first chamber and a second chamber, a cover plate (3) is fixedly installed on the horizontal box (1), and the cover plate (3) is A feeding hopper (4) in communication with the first chamber is fixedly installed, and a discharging hopper (5) in communication with the second chamber is fixedly installed at the bottom of the horizontal box (1), and the discharging hopper (5) The feeding hopper (4) is located at the same end of the horizontal box (1), the first agitating assembly is rotatably installed in the first chamber, the second agitating assembly is fixedly installed in the second chamber, and the first agitating assembly is installed in the second chamber. A stirring assembly and a second stirring assembly are driven to rotate by a driving device; The first stirring assembly includes a first hollow rotating shaft (6), the first hollow rotating shaft (6) is rotatably mounted on the horizontal box (1), and both ends of the first hollow rotating shaft (6) are respectively provided There are a heating medium inlet and a heating medium outlet, the two ends of the first hollow shaft (6) are respectively fixed with a first spiral hollow blade (7) and a conveying blade group, and the partition plate (2) is provided with A material through hole (2-1), the conveying blade group is disposed opposite to the material through hole (2-1), the conveying blade group includes a hollow conveying blade (8), and the inner cavity of the hollow conveying blade (8) communicated with the inner cavity of the first hollow rotating shaft (6), and a plurality of the hollow conveying blades (8) are evenly distributed along the circumference of the central axis of the first hollow rotating shaft (6); The second stirring assembly includes a second hollow rotating shaft (9), the second hollow rotating shaft (9) is rotatably mounted on the horizontal box (1), the second hollow rotating shaft (9) and the first hollow rotating shaft (9) (6) Both are arranged in parallel with the partition plate (2) and at intervals, the two ends of the second hollow rotating shaft (9) are respectively provided with a heating medium inlet and a heating medium outlet, and the second hollow rotating shaft (9) is fixed on the A second helical hollow blade (10) is installed, and the rotation direction of the second helical hollow blade (10) is opposite to that of the first helical hollow blade (7). 2 . The hollow blade dryer according to claim 1 , wherein the thickness of the hollow conveying blade ( 8 ) gradually increases from the outside of the hollow shaft. 3 . 3. The hollow blade dryer according to claim 1, characterized in that: the bottom of the horizontal box (1) is provided with a first arc surface coaxial with the first hollow shaft (6) and a first arc surface coaxial with the first hollow shaft (6). The two hollow shafts (9) are coaxial with the second arc surface, the partition plate (2) is fixedly installed between the first arc surface and the second arc surface, and the end of the hollow conveying blade (8) The part is an arc surface that fits with the second arc surface. 4. The hollow blade dryer according to claim 1, characterized in that: the drive device comprises a drive motor (11) and a reducer (12), and the drive motor (11) and the reducer (12) drive The output end of the reducer (12) is fixedly installed with a driving gear (13), the driving gear (13) is coaxially and fixedly connected with the first hollow shaft (6), and the second hollow shaft (9) A driven gear (14) is fixedly mounted on the upper coaxial, and the driven gear (14) meshes with the driving gear (13). 5. The hollow blade dryer according to claim 1, characterized in that: the partition plate (2) is a heating plate.

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