阅读说明：本技术 一种联合收割机用干燥装置 (Drying device for combine harvester ) 是由 沈宇峰 杨丰 于 2021-08-24 设计创作，主要内容包括：本发明公开一种联合收割机用干燥装置,包括外壳、内壳以及热风输送组件；热风输送组件包括第一动力件、输送管道以及换热器；本发明的换热器与收割机内燃机的尾气管道连通,从而使得换热器对输送管道内的气流进行加热,加热后的气流输送至内壳的内部从而对物料加热干燥,并且收割机冷却水箱的液体经加热后流入容纳腔内,从而在内壳外部形成包裹的热水,能获得双重干燥效果的同时能耗小；干燥装置与联合收割机配合使用,能减少干燥装置的使用限制。(The invention discloses a drying device for a combine harvester, which comprises an outer shell, an inner shell and a hot air conveying assembly, wherein the outer shell is provided with a drying cavity; the hot air conveying assembly comprises a first power part, a conveying pipeline and a heat exchanger; the heat exchanger is communicated with the tail gas pipeline of the internal combustion engine of the harvester, so that the heat exchanger heats airflow in the conveying pipeline, the heated airflow is conveyed to the inside of the inner shell to heat and dry materials, and liquid in the cooling water tank of the harvester flows into the accommodating cavity after being heated, so that wrapped hot water is formed outside the inner shell, and the energy consumption is low while the double drying effect is achieved; the drying device is matched with the combine harvester for use, so that the use limit of the drying device can be reduced.)

1. A drying device for a combine harvester is characterized by comprising an outer shell (1), an inner shell (2) and a hot air conveying assembly;

a feed inlet (21) communicated with the inside of the inner shell (2) is formed in the inner shell (2); the outer shell (1) is sleeved outside the inner shell (2), and an accommodating cavity (3) is formed between the inner shell (2) and the outer shell (1); the accommodating cavity (3) is communicated with a cooling water tank (4) of the harvester;

the hot air conveying assembly comprises a first power part (5), a conveying pipeline (6) and a heat exchanger (7); the conveying pipeline (6) is respectively communicated with the inside of the inner shell (2) and the first power part (5), and the first power part (5) conveys airflow to the inside of the inner shell (2) through the conveying pipeline (6); the heat exchanger (7) is arranged on the conveying pipeline (6), and an internal combustion engine (8) of the harvester is connected with the heat exchanger (7).

2. Drying device for a combine harvester according to claim 1, further comprising a first striker plate (9) and a two-way transport auger (10); along the falling direction of the materials, a first material baffle plate (9) is arranged at the lower end of the feeding hole (21), and a first blanking hole (11) is formed between the first material baffle plate (9) and the inner shell (2); two-way transport flood dragon (10) set up between feed inlet (21) and first striker plate (9) for the material shifts to first blanking mouth (11).

3. Drying device for a combine harvester according to claim 2, characterized in that the lower end of the first blanking opening (11) is provided with a second baffle plate (12) at an angle.

4. Drying device for a combine harvester according to claim 3, characterised in that the lower end of the second baffle plate (12) is provided with a throwing blade (13) for throwing material in rotation.

5. Drying device for a combine harvester according to claim 4, characterized in that the lower end of the throwing blade (13) is rotatably provided with a third material baffle (14), the third material baffle (14) and the inner wall of the inner shell (2) forming a second blanking opening (15).

6. Drying unit for combine harvesters according to claim 5, further comprising rotating blades (16) and a cyclone (17); the rotating blade (16) is rotatably arranged at the lower end of the second blanking port (15), the rotating blade (16) is arranged corresponding to the inlet of the cyclone separator (17), and the rotating blade (16) is used for conveying materials into the cyclone separator (17); the cyclone separator (17) penetrates through the accommodating cavity (3).

7. Drying unit for combine harvesters according to claim 6, characterized in that the interior of the cyclone (17) is provided with guide strips (18) in a spiral in the direction of falling of the material.

8. The drying device for the combine harvester according to claim 6, wherein the first striker plate (9), the second striker plate (12), the third striker plate (14), the throwing blade (13) and the rotating blade (16) are all made of elastic materials; air holes are formed in the first material baffle plate (9), the second material baffle plate (12) and the third material baffle plate (14), and the aperture of each air hole is smaller than the particle size of the material.

9. The drying apparatus for a combine harvester of claim 6, further comprising a dust collection assembly; the dust suction assembly comprises a second power part (19) and a dust suction pipeline (20); two ends of the dust absorption pipeline (20) are respectively communicated with the inside of the inner shell (2) and the cyclone separator (17); the second power part (19) is communicated with the dust suction pipeline (20).

10. Drying unit for combine harvesters according to claim 6, characterized in that the inside of the inner casing (2) and the inside of the cyclone (17) are provided with temperature sensors.

Technical Field

The invention relates to the field of harvesters, in particular to a drying device for a combine harvester.

Background

At present, when large-scale grains are received, drying treatment is a difficult problem, firstly, time management is needed, secondly, a large amount of energy is consumed, and at present, the grain drying mode in China mainly adopts a natural airing mode and a centralized drying mode of large-scale grain drying equipment.

The problem that current drying device exists is: 1. the energy consumption is large, and the use is inconvenient; 2. lack of ability to clean fine particulate matter or suspended matter; 3. the drying effect is poor.

In conclusion, a drying device for a combine harvester is urgently needed to solve the problems of large energy consumption, inconvenience in use, lack of cleaning capability for fine particles or suspended matters and poor drying effect in the prior art.

Disclosure of Invention

The invention aims to provide a drying device for a combine harvester, which solves the problems that the drying device in the prior art is large in energy consumption, inconvenient to use, lack of cleaning capability for fine particles or suspended matters and poor in drying effect, and the specific technical scheme is as follows:

a drying device for a combine harvester comprises an outer shell, an inner shell and a hot air conveying assembly;

the inner shell is provided with a feed inlet communicated with the inner part of the inner shell; the outer shell is sleeved outside the inner shell, and an accommodating cavity is formed between the inner shell and the outer shell; the accommodating cavity is communicated with a cooling water tank of the harvester;

the hot air conveying assembly comprises a first power part, a conveying pipeline and a heat exchanger; the conveying pipeline is respectively communicated with the inside of the inner shell and the first power part, and the first power part conveys airflow to the inside of the inner shell through the conveying pipeline; the heat exchanger is arranged on the conveying pipeline, and an internal combustion engine of the harvester is connected with the heat exchanger.

Preferably, the technical scheme further comprises a first material baffle and a bidirectional conveying flood dragon; along the falling direction of the material, a first material baffle plate is arranged at the lower end of the feeding hole, and a first blanking hole is formed between the first material baffle plate and the inner shell; two-way transport flood dragon sets up between feed inlet and first striker plate for the material shifts to first blanking mouth.

Above technical scheme is preferred, the lower extreme slope of first blanking mouth is provided with second baffle.

Above technical scheme is preferred, the lower extreme of second fender rotates and is equipped with the throwing blade that is used for the material of throwing.

Above technical scheme is preferred, the lower extreme of throwing the blade rotates and is provided with the third striker plate, and the inner wall of third striker plate and inner shell forms the second blanking mouth.

The technical scheme is preferable, and the cyclone separator further comprises a rotating blade and a cyclone separator; the rotating blade is rotatably arranged at the lower end of the second blanking port, the rotating blade is arranged corresponding to the inlet of the cyclone separator, and the rotating blade is used for conveying materials into the cyclone separator; the cyclone separator is arranged through the accommodating cavity.

According to the preferable technical scheme, the guide strips are spirally arranged in the cyclone separator along the falling direction of the materials.

Preferably, in the above technical scheme, the first striker plate, the second striker plate, the third striker plate, the throwing blade and the rotating blade are all made of elastic materials; and air holes are formed in the first material baffle plate, the second material baffle plate and the third material baffle plate, and the aperture of each air hole is smaller than the particle size of the material.

The technical scheme is preferable, and the dust collector also comprises a dust collection assembly; the dust collection assembly comprises a second power part and a dust collection pipeline; two ends of the dust absorption pipeline are respectively communicated with the inside of the inner shell and the cyclone separator; the second power part is communicated with the dust suction pipeline.

Preferably, temperature sensors are arranged inside the inner shell and inside the cyclone separator.

The technical scheme of the invention has the following beneficial effects:

(1) the drying device for the combine harvester comprises an outer shell, an inner shell and a hot air conveying assembly; the hot air conveying assembly comprises a first power part, a conveying pipeline and a heat exchanger; the heat exchanger is communicated with the tail gas pipeline of the internal combustion engine of the harvester, so that the heat exchanger heats airflow in the conveying pipeline, the heated airflow is conveyed to the inside of the inner shell to heat and dry materials, liquid in the cooling water tank of the harvester flows into the accommodating cavity after being heated, and hot water is wrapped outside the inner shell, so that double drying effects can be obtained, and meanwhile, the energy consumption is low; the drying device is matched with the combine harvester for use, so that the use limit of the drying device can be reduced.

(2) The invention also comprises a first material baffle and a bidirectional conveying flood dragon; the effect of first striker plate is in order to block the material, guarantees the dry time of material in the inner shell inside, and the two-way transport flood dragon is carried the material to first blanking mouth to the contact area of material and hot gas flow is increaseed to the two-way transport flood dragon stirring material.

(3) The lower end of the first blanking port is obliquely provided with a second material retaining plate; the second material baffle blocks the materials, the drying time of the materials is further prolonged, the materials slowly slide from the second material baffle, and the drying effect is good.

(4) The materials sliding from the second material baffle plate fall onto the throwing blade, and the throwing blade rotates to throw the materials, so that the materials are in complete contact with hot air, and the drying effect is good.

(5) The thrown material falls onto the rotating third baffle plate, is thrown out towards the edge under the action of centrifugal force, can increase the contact area of the material and air flow, and falls from the second blanking port under the action of gravity.

(6) The invention also comprises a rotating blade and a cyclone separator (bidirectional cut-in type cyclone separator); the material falling from the second blanking port enters an inlet of the cyclone separator along the tangential direction of the cyclone separator under the action of the rotating blades, and the cyclone separator separates suspended matters or impurities in the material. The inlets of the rotating blades and the cyclone separator are respectively provided with two groups and are arranged in a one-to-one correspondence mode, and the cyclone separator adopts bidirectional cut-in type symmetrical feeding and can accelerate the circulation of air. The cyclone runs through and holds the chamber setting for hold the hot water parcel in the intracavity outside the cyclone, thereby heat drying to cyclone inside.

(7) According to the cyclone separator, the materials entering from the inlet of the cyclone separator move towards the outlet along the guide strips, and the guide strips can prolong the drying time of the materials and ensure the drying effect.

(8) The first material baffle, the second material baffle, the third material baffle, the throwing blade and the rotating blade are all made of elastic materials, and the elastic materials can avoid damaging the materials; and air holes are formed in the first material baffle plate, the second material baffle plate and the third material baffle plate, and can avoid blocking airflow circulation, so that the drying effect is ensured.

(9) The dust collection assembly comprises a second power part (a suction fan) and a dust collection pipeline, cold and wet air and light impurities in the cyclone separator and the inner shell are discharged outside through the suction fan, and the drying effect is good.

(10) The temperature sensor monitors the temperature in the inner shell and the cyclone separator in real time, and adjusts the rotating speed of the throwing blades, the rotating blades and the third baffle plate and the working state of the heat exchanger according to the temperature fed back by the temperature sensor.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of a drying device for a combine harvester according to the present embodiment;

wherein, 1, a shell; 2. an inner shell; 3. an accommodating chamber; 4. a cooling water tank; 5. a first power member; 6. a delivery conduit; 7. a heat exchanger; 8. an internal combustion engine; 9. a first striker plate; 10. a bidirectional conveying flood dragon; 11. a first blanking port; 12. a second retainer plate; 13. throwing the blades; 14. a third retainer plate; 15. a second blanking port; 16. a rotating blade; 17. a cyclone separator; 18. a guide strip; 19. a second power member; 20. a dust collection duct; 21. and (4) feeding a material inlet.

Detailed Description

Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example (b):

the utility model provides a drying device for combine, includes shell 1, inner shell 2, hot-blast conveying component, two-way transport flood dragon 10, first striker plate 9, second striker plate 12, throws blade 13, third striker plate 14, rotating vane 16, cyclone 17 and dust absorption component, as shown in fig. 1, specifically as follows:

inner shell 2 and shell 1 are the rectangle box structure, and the outer shell 1 cover is established in the outside of inner shell 2, forms between the inner wall of shell 1 and the outer wall of inner shell 2 and holds chamber 3, holds chamber 3 and combine's cooling water tank 4 intercommunication.

The hot air conveying assembly comprises a first power part 5 (a blower), a conveying pipeline 6 and a heat exchanger 7; two ends of the conveying pipeline 6 are respectively communicated with the inside of the inner shell 2 and the first power part 5, and the first power part 5 conveys airflow to the inside of the inner shell 2 through the conveying pipeline 6; the heat exchanger 7 is attached to the outer wall of the conveying pipeline 6, the heat exchanger 7 is connected with an internal combustion engine 8 of the combine harvester, a tail gas pipeline of the internal combustion engine 8 is communicated with the heat exchanger 7, the heat exchanger heats air flow in the conveying pipeline 6, and the heated air flow enters the inner shell 2 to dry materials. The heat exchanger 7 is referred to an existing structure.

The upper end of inner shell 2 is equipped with feed inlet 21, and the material gets into the inside of inner shell 2 from feed inlet 21, and first striker plate 9 sets up in inner shell 2, and first striker plate 9 is located feed inlet 21 under, the material that feed inlet 21 got into falls on first striker plate 9, and both ends form two sets of first blanking mouths 11 with the inner wall of inner shell 2 respectively about first striker plate 9, two-way transport flood dragon 10 level sets up between feed inlet 21 and first striker plate 9, through two-way transport flood dragon 10 with the material two-way transfer to in two sets of first blanking mouths 11. The bi-directional transport dragon 10 refers to the prior art.

The second material retaining plate 12 is provided with two sets, two sets of second material retaining plates 12 are respectively arranged at the lower ends of the two sets of first blanking ports 11, the second material retaining plates 12 are obliquely arranged, materials in the first blanking ports 11 fall onto the second material retaining plates 12, and the materials slide downwards from the second material retaining plates 12. The inclination angle of the second retainer plate 12 is larger than the friction angle of the material, so that the material can slide from the upper surface to the lower surface.

The throwing blades 13 are arranged at the lower ends of the two groups of second baffle plates 12, materials sliding downwards from the second baffle plates 12 fall onto the rotating throwing blades 13, and the materials are driven by the throwing blades 13 to be thrown into the air. Here, the throwing blade 13 is connected to a motor a, which drives the throwing blade 13 to rotate.

The third material baffle plate 14 is arranged at the lower end of the throwing blade 13, the third material baffle plate 14 is in a circular plate shape, the circular plate downwards forms a certain taper (the specific taper is selected according to actual conditions, the taper is convenient for materials to slide off), the thrown materials fall onto the third material baffle plate 14, a second blanking port 15 is formed between the outer edge of the third material baffle plate 14 and the inner wall of the inner shell 2, and the materials are thrown into the second blanking port 15 by the rotating third material baffle plate 14 in the tangential direction. The third retainer plate 14 is connected to a motor B, and the motor B drives the third retainer plate 14 to rotate.

The number of the rotating blades 16 is two, the two groups of rotating blades 16 are respectively arranged at the lower end of the second blanking port 15, the two groups of rotating blades 16 are both arranged corresponding to the falling position of the material, the material in the second blanking port 15 falls onto the two groups of rotating blades 16, and the two groups of rotating blades 16 are respectively arranged corresponding to two inlets of a cyclone separator 17 (a bidirectional cut-in cyclone separator); the material in the second blanking port 15 falls down onto the two sets of rotating blades 16, and the material enters the inlet of the cyclone separator 17 along the tangential direction of the cyclone separator 17 under the action of the rotating blades 16. The rotary blade 16 is connected to a motor C and is rotated by the motor C.

Preferably, the first material baffle 9, the second material baffle 12, the third material baffle 14, the throwing blade 13 and the rotating blade 16 are all made of elastic materials, so that the materials are prevented from being damaged; and air holes are formed in the first material baffle plate 9, the second material baffle plate 12 and the third material baffle plate 14, the aperture of each air hole is smaller than the particle size of the material, and the air holes are convenient for hot air flow.

The cyclone separator 17 vertically penetrates through the accommodating cavity 3 (hot water in the accommodating cavity is convenient to dry the inside of the cyclone separator), the inlet part of the cyclone separator 17 is positioned inside the inner shell 2, and the outlet of the cyclone separator 17 is positioned outside the outer shell 1.

Preferably, guide strips 18 are spirally arranged in the cyclone separator 17 in the direction from the inlet to the outlet of the cyclone separator 17, and the material is guided out along the guide strips 18 towards the outlet.

The dust suction assembly comprises a second power part 19 (suction fan) and a dust suction pipeline 20; the two ends of the dust suction pipeline 20 are respectively communicated with the inside of the inner shell 2 and the inside of the cyclone separator 17, the second power part 19 is communicated with the dust suction pipeline 20, and cold and wet air and fine impurities in the inside of the inner shell 2 and the inside of the cyclone separator 17 are sucked out to the outside through the second power part 19.

Preferably, temperature sensors are arranged on the inner wall of the inner shell 2 and inside the cyclone separator 17, and the temperature sensors are connected with the motor a, the motor B, the motor C and the heat exchanger 7 through a control assembly (the control assembly refers to the existing structure).

The working principle of the drying device for the combine harvester of the embodiment is as follows:

the harvested materials (such as rice) of the harvester enter from the feeding hole 21 and fall onto the first material baffle 9, the materials are respectively pushed to the first blanking holes 11 at two sides under the action of the bidirectional conveying dragon 10, when the materials are pushed to the edge position, the materials fall onto the second material baffle 12 under the action of gravity, the materials slowly fall down from the second material baffle 12, the fallen materials are thrown away under the action of the throwing blades 13, and the materials can be fully contacted with hot air; the thrown material falls onto the third material baffle plate 14 under the action of gravity, the material is thrown out towards the edge under the action of centrifugal force and falls onto the rotating blades 16 under the action of gravity, the rotating blades 16 throw the material into the inlet of the cyclone separator 17 in the tangential direction, and the cyclone separator 17 is spirally provided with guide strips 18 for increasing the drying time, and finally the dried and cleaned material is obtained through the outlet of the cyclone separator 17.

Wherein, the heat energy of the hot tail gas of the internal combustion engine 8 of the combine harvester is transferred to the conveying pipeline 6 through the heat exchanger, the conveying pipeline 6 is internally provided with air blown by the first power part 5 (a blower), and the heated air enters the inner shell 2 to dry the material;

a cooling water tank 4 (water of the cooling water tank is heated by waste heat of an internal combustion engine 8) of the combine harvester is communicated with the accommodating cavity 3, and hot water in the accommodating cavity 3 is wrapped outside the inner shell 2 and the cyclone separator 17 to further dry materials; the cold and wet air and light impurities in the inner casing 2 and the cyclone separator 17 are exhausted to the outside through the dust exhaust duct 20. The rotating speeds of the first power part 5 (air blower) and the second power part 19 (suction fan) are both smaller than the suspension speed of the material, so that the material can fall freely.

The temperature sensor monitors the temperature inside the inner shell 2 and inside the cyclone separator 17 in real time, so that the rotating speed of the motor (comprising a motor A, a motor B and a motor C) and the working state of the heat exchanger 7 are adjusted in real time, the material is prevented from being damaged due to overhigh temperature, and the phenomenon that the temperature is too low and the drying effect is not generated is also prevented.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.