Waste heat recovery device for feed dryer

Abstract

The waste heat recovery device comprises a box body, the upper end of an inner cavity of the box body is fixedly connected with a containing cylinder, the periphery of the lower end of the containing cylinder is fixedly connected with a first blocking net, and the left end of the top of the outer surface of the box body is fixedly provided with an air heater; and an annular blowing pipe is fixedly mounted between the output end of the air heater and the bottom of the inner cavity of the box body through a pipeline. According to the feed drying device, feed needing to be dried can be contained conveniently through the arrangement of the stock bin, the effect of drying the feed is achieved through the arrangement of the auger conveyor, the stock bin, the box body, the containing barrel, the hot-air blower, the annular blowing pipe and the first blocking net, and meanwhile through the arrangement of the air guide pipe, the stock bin and the second blocking net, the feed can be dried conveniently. And the effect of recycling waste heat in discharged hot air is achieved, the time for subsequent drying of the feed in the feed bin is shortened, and the overall operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of feed drying, in particular to a waste heat recovery device for a feed drying machine. Background Art

[0002] During the feed processing, excess moisture in the feed raw materials is usually removed to facilitate packaging, transportation, storage, use, extend the shelf life of the feed, and prevent the feed from becoming moldy.

[0003] For example, a Chinese utility model provides "a feed dryer", and its announcement number is: CN218915804U. The servo motor of the application is installed on the tank body, and the heating plate is installed at the shaft end of the servo motor. It also includes a hot air drying component, which includes a heating blower, a duct, a nozzle and a duct fixing component. The heating blower is fixedly connected to the tank body and is located on the top of the outer wall of the tank body. The duct is connected to the air outlet of the heating blower and extends into the inner cavity of the tank body. The nozzle is connected to the duct and is located on the side of the duct close to the heating plate. The duct fixing component abuts against the duct and is fixedly connected to the tank body. The feed particles on each layer of the heating plate of the feed dryer are uniformly dried up and down at the same time by cooperating with the hot air output by the hot air drying component, thereby accelerating the drying efficiency. Although the feed dryer in the above technology can dry the feed, the hot air delivered by the heating blower during the operation will be discharged to the outside from the feed pipe and the discharge hopper after drying the feed. Since there is a large amount of waste heat in the discharged air and it cannot be recycled, it causes a huge waste of energy and is not conducive to personnel use. Utility Model Content

[0004] The purpose of the utility model is to provide a waste heat recovery device for a feed dryer, which has the advantage of being able to effectively recycle the waste heat in the exhaust air and is convenient for use by personnel. It solves the problem that although the feed dryer in the above-mentioned technology can dry the feed, the hot air delivered by the heating blower during the operation will be discharged to the outside from the feed pipe and the discharge hopper after drying the feed. Since a large amount of waste heat exists in the exhaust air and it cannot be recycled, it causes a huge waste of energy.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat recovery device for a feed dryer, comprising a box body, the upper end of the box body inner cavity is fixedly connected with a containing cylinder, the lower end of the containing cylinder is fixedly connected with a first baffle net, the left end of the top of the outer surface of the box body is fixedly installed with a hot air blower, the output end of the hot air blower is fixedly installed with an annular blow pipe between a pipeline and the bottom of the box body inner cavity, the upper end of the right side of the box body is fixedly installed with an auger conveyor, the lower end of the auger conveyor is fixedly installed with a silo, the lower end of the silo inner cavity is fixedly connected with a second baffle net, the middle end of the right side of the outer surface of the silo is fixedly installed with a second motor, the output end of the second motor is fixedly installed with a second stirring rod, the left side of the second stirring rod is movably connected to the middle end of the left side of the silo inner cavity through a bearing, and an air guide pipe is fixedly connected between the lower end of the front surface of the silo and the upper end of the front surface of the box body.

[0006] As a preferred solution, the top of the silo is movably connected to a cover plate via a hinge, and the middle end of the cover plate is fixedly connected to a dustproof net.

[0007] As a preferred solution, a discharge valve is fixedly installed at the middle end of the bottom of the containing cylinder through a pipeline, and the bottom of the discharge valve is fixedly connected to the middle end of the bottom of the box body through a pipeline.

[0008] As a preferred solution, a first motor is fixedly mounted on the middle end of the top of the outer surface of the box body, and a first stirring rod is fixedly mounted on the output end of the first motor.

[0009] As a preferred solution, a spiral blade is fixedly connected to the lower end of the first stirring rod, and the number of the spiral blades is three.

[0010] As a preferred solution, both ends of the left side of the auger conveyor are fixedly installed with fixing frames, and the left side of the fixing frame is fixedly connected to the right side of the outer surface of the box body.

[0011] As a preferred solution, pillars are fixedly connected around the bottom of the outer surface of the box body, and a bottom plate is fixedly connected between the bottom of the four pillars and the bottom of the outer surface of the silo.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model is convenient for containing the feed to be dried by setting the silo, and achieves the effect of drying the feed by setting the auger conveyor, silo, box body, containing cylinder, hot air blower, annular blowpipe and first baffle. At the same time, by setting the air guide pipe, silo and second baffle, the effect of recycling the waste heat in the discharged hot air is achieved, which reduces the time spent on subsequent drying of the feed inside the silo and improves the overall operation efficiency. The setting of the second motor and the second stirring rod effectively improves the uniformity of pre-drying of the feed inside the silo. Under the effect of overall coordination, the waste heat recovery device for the feed dryer can recycle the waste heat in the discharged hot air during the feed drying process, effectively reducing energy waste, reducing the time spent on subsequent drying of the feed, and improving the overall drying efficiency of the feed.

[0014] 2. The utility model achieves the purpose of protecting the top of the silo by setting the cover plate, facilitates personnel to discharge the feed inside the containing cylinder by setting the discharge valve, facilitates stirring the feed inside the containing cylinder by setting the first motor and the first stirring rod, and improves the uniformity of feed drying, and enables the spiral blades to turn the feed driven by the rotation of the first stirring rod by setting the spiral blades, further improving the uniformity of feed drying, achieves the purpose of stably supporting the auger conveyor by setting the fixed frame, and achieves the purpose of supporting the whole by setting the columns and the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the silo of the utility model.

[0018] In the figure: 1. box body; 2. first motor; 3. hot air blower; 4. fixing frame; 5. air duct; 6. auger conveyor; 7. dust screen; 8. cover plate; 9. second motor; 10. silo; 11. bottom plate; 12. column; 13. first stirring rod; 14. holding cylinder; 15. first baffle; 16. spiral blade; 17. second baffle; 18. discharge valve; 19. annular blow pipe; 20. second stirring rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0020] See also Figure 1-3 A waste heat recovery device for a feed dryer comprises a box body 1, a holding cylinder 14 is fixedly connected to the upper end of the inner cavity of the box body 1, a first baffle 15 is fixedly connected to the four sides of the lower end of the holding cylinder 14, a hot air blower 3 is fixedly installed at the left end of the top of the outer surface of the box body 1, an annular blowpipe 19 is fixedly installed between the output end of the hot air blower 3 and the bottom of the inner cavity of the box body 1 through a pipeline, an auger conveyor 6 is fixedly installed at the upper end of the right side of the box body 1, a silo 10 is fixedly installed at the lower end of the auger conveyor 6, a second baffle 17 is fixedly connected to the lower end of the inner cavity of the silo 10, a second motor 9 is fixedly installed at the middle end of the right side of the outer surface of the silo 10, a second stirring rod 20 is fixedly installed at the output end of the second motor 9, the left side of the second stirring rod 20 is movably connected to the middle end of the left side of the inner cavity of the silo 10 through a bearing, and an air guide pipe 5 is fixedly connected between the lower end of the front surface of the silo 10 and the upper end of the front surface of the box body 1.

[0021] Through the above technical scheme, through the setting of the silo 10, it is convenient to hold the feed that needs to be dried, and through the setting of the auger conveyor 6, the silo 10, the box body 1, the holding cylinder 14, the hot air blower 3, the annular blowpipe 19 and the first baffle 15, the effect of drying the feed is achieved. At the same time, through the setting of the air guide pipe 5, the silo 10 and the second baffle 17, the effect of recycling the waste heat in the discharged hot air is achieved, which reduces the time required for subsequent drying of the feed inside the silo 10 and improves the overall operation efficiency. Through the setting of the second motor 9 and the second stirring rod 20, the uniformity of the pre-drying of the feed inside the silo 10 is effectively improved. Under the effect of the overall coordination, the purpose of the waste heat recovery device for the feed dryer to recycle the waste heat in the discharged hot air during the feed drying process is achieved, which effectively reduces energy waste and reduces the time required for subsequent drying of the feed, thereby improving the overall drying efficiency of the feed.

[0022] The top of the silo 10 is movably connected to a cover plate 8 via a hinge, and a dustproof net 7 is fixedly connected to the middle end of the cover plate 8 .

[0023] Through the above technical solution and the provision of the cover plate 8, the purpose of protecting the top of the silo 10 is achieved.

[0024] A discharge valve 18 is fixedly installed at the middle end of the bottom of the containing cylinder 14 through a pipeline, and the bottom of the discharge valve 18 is fixedly connected to the middle end of the bottom of the box body 1 through a pipeline.

[0025] Through the above technical solution, by setting the discharge valve 18, it is convenient for personnel to discharge the feed inside the containing tube 14.

[0026] A first motor 2 is fixedly mounted on the middle end of the top of the outer surface of the box body 1 , and a first stirring rod 13 is fixedly mounted on the output end of the first motor 2 .

[0027] Through the above technical solution, by providing the first motor 2 and the first stirring rod 13, it is convenient to stir the feed inside the containing cylinder 14, thereby improving the uniformity of drying the feed.

[0028] The lower end of the first stirring rod 13 is fixedly connected with a spiral blade 16 , and the number of the spiral blades 16 is three.

[0029] Through the above technical solution, by setting the spiral blade 16, the spiral blade 16 can turn the feed under the drive of the rotation of the first stirring rod 13, thereby further improving the uniformity of feed drying.

[0030] Both ends of the left side of the auger conveyor 6 are fixedly mounted with fixing frames 4 , and the left side of the fixing frame 4 is fixedly connected to the right side of the outer surface of the box body 1 .

[0031] Through the above technical solution and the setting of the fixing frame 4, the purpose of stably supporting the auger conveyor 6 is achieved.

[0032] The bottom of the outer surface of the box body 1 is fixedly connected with columns 12 on all sides, and a bottom plate 11 is fixedly connected between the bottom of the four columns 12 and the bottom of the outer surface of the silo 10 .

[0033] Through the above technical solution, by arranging the columns 12 and the bottom plate 11, the purpose of supporting the whole is achieved.

[0034] The working principle of the utility model is as follows: through the setting of the silo 10, it is convenient to hold the feed that needs to be dried, and when the feed needs to be dried, the material inside the silo 10 can be driven by starting the auger conveyor 6 to be quickly transported to the inside of the box body 1 and the containing cylinder 14, and then the hot air can be generated by starting the hot air blower 3, and blown between the box body 1 and the containing cylinder 14 through the pipeline and the annular blowpipe 19, and the surrounding of the containing cylinder 14 can be heated under the action of the fast blowing of the hot air, and at the same time, it is blown to the inside of the feed through the mesh holes on the first baffle 15, so that the fast-blown hot air can quickly dry the feed, thereby achieving the effect of drying the feed, and at the same time, the hot air blower 3 continues to work Under the action of the second motor 9, the hot air inside the box body 1 can be discharged to the inside of the silo 10 through the air duct 5, and blown into the feed inside the silo 10 through the mesh holes on the second baffle 17, so that the waste heat in the hot air can preheat and pre-dry the feed inside the silo 10, thereby achieving the effect of recycling the waste heat in the discharged hot air, reducing the time required for subsequent drying of the feed inside the silo 10, and improving the overall operation efficiency. At the same time, by starting the second motor 9, the second stirring rod 20 can be driven to rotate. Under the action of the rotation of the second stirring rod 20, the feed inside the silo 10 can be stirred, so that the feed can fully contact with the hot air, effectively improving the uniformity of the pre-drying of the feed inside the silo 10.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A waste heat recovery device for a feed dryer, comprising a housing (1), characterized in that: The upper end of the inner cavity of the box body (1) is fixedly connected to a containing cylinder (14), and the lower end of the containing cylinder (14) is fixedly connected to a first baffle (15) on all sides. A hot air blower (3) is fixedly installed at the left end of the top of the outer surface of the box body (1), and an annular blow pipe (19) is fixedly installed between the output end of the hot air blower (3) and the bottom of the inner cavity of the box body (1) through a pipeline. An auger conveyor (6) is fixedly installed at the upper end of the right side of the box body (1), and a A silo (10), wherein a second baffle (17) is fixedly connected to the lower end of the inner cavity of the silo (10), a second motor (9) is fixedly mounted to the middle end of the right side of the outer surface of the silo (10), a second stirring rod (20) is fixedly mounted to the output end of the second motor (9), the left side of the second stirring rod (20) is movably connected to the middle end of the left side of the inner cavity of the silo (10) via a bearing, and an air guide pipe (5) is fixedly connected between the lower end of the front surface of the silo (10) and the upper end of the front surface of the box body (1).

2. A waste heat recovery device for a feed dryer according to claim 1, characterized in that: The top of the silo (10) is movably connected to a cover plate (8) via a hinge, and the middle end of the cover plate (8) is fixedly connected to a dustproof net (7).

3. The waste heat recovery device for a feed dryer according to claim 1, characterized in that: A discharge valve (18) is fixedly mounted at the middle end of the bottom of the containing cylinder (14) via a pipeline, and the bottom of the discharge valve (18) is fixedly connected to the middle end of the bottom of the box body (1) via a pipeline.

4. The waste heat recovery device for a feed dryer according to claim 1, characterized in that: A first motor (2) is fixedly mounted on the middle end of the top of the outer surface of the box body (1), and a first stirring rod (13) is fixedly mounted on the output end of the first motor (2).

5. A waste heat recovery device for a feed dryer according to claim 4, characterized in that: The lower end of the first stirring rod (13) is fixedly connected to a spiral blade (16), and the number of the spiral blades (16) is three.

6. The waste heat recovery device for a feed dryer according to claim 1, characterized in that: Both ends of the left side of the auger conveyor (6) are fixedly mounted with fixing frames (4), and the left side of the fixing frame (4) is fixedly connected to the right side of the outer surface of the box body (1).

7. The waste heat recovery device for a feed dryer according to claim 1, characterized in that: The bottom of the outer surface of the box body (1) is fixedly connected with upright posts (12) on all sides, and a bottom plate (11) is fixedly connected between the bottoms of the four upright posts (12) and the bottom of the outer surface of the silo (10).

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