CN219020184U - Integral special threshing and redrying heat exchanger - Google Patents

Abstract

The utility model provides an integral special threshing and redrying heat exchanger which comprises a frame body and a heat dissipation mechanism arranged on the frame body, wherein openings are formed in two sides of the frame body so as to enable air to circulate and penetrate through the heat dissipation mechanism for heating, and the heat dissipation mechanism comprises heat dissipation pipes which are arranged in parallel and support plates for arranging the heat dissipation pipes on the frame body. The heat dissipation mechanism not only improves the utilization rate of steam, but also improves the service life of the heat exchanger and reduces the installation and use cost under the condition of ensuring the process requirement of low-temperature slow baking by changing the connection and arrangement modes of the heat dissipation calandria. The radiating mechanism adopts radiating pipes which are distributed in parallel, and air circulates through gaps among the radiating pipes, so that the wind resistance is reduced, and the crushed tobacco leaves and the smoke dust are conveniently cleaned. The heat-dissipating pipes are welded by adopting the elbows, so that the heat-dissipating pipes can be freely contracted by thermal expansion, the impact of a water hammer is avoided, the service life of the heat exchanger is prolonged, and the pipe body is welded into a multi-loop structure by virtue of the elbows, so that steam can be fully utilized by virtue of multiple loops.

Description

Integral special threshing and redrying heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to an integral special threshing redrying heat exchanger.

Background

The prior threshing and redrying heat exchanger is a main device for heating air by utilizing steam, so that the tobacco leaf is dried, the steam of the prior threshing and redrying heat exchanger is discharged from the front of the integral steam box at one end into the integral steam box at the other end, the travel distance is short, and a plurality of steam boxes are combined in parallel, so that the temperature rise is fast, the heat efficiency is high, but the steam utilization rate is low, the steam consumption is large, the integral steam boxes at two ends are free from a heated free expansion position, the water hammer resistance is poor, the service life is relatively short, a plurality of steam boxes are installed in parallel, the piping is complex and inconvenient to install, and the low-temperature slow baking mode and the energy-saving requirement required by the prior art are not met.

Disclosure of Invention

The utility model solves the technical problems of providing the heat exchanger which is required by integral threshing and redrying at low temperature and slow redrying, can be freely expanded and contracted under high temperature, has high steam utilization rate, is convenient to install and clean, reduces the installation and use cost and has long service life, so as to solve the problems in the prior art.

The technical problems solved by the utility model are realized by adopting the following technical scheme: the utility model provides a special threshing and redrying heat exchanger of integral, includes the framework and installs the cooling mechanism on the framework, and the framework both sides are equipped with the opening to make the circulation of air run through cooling mechanism and heat, cooling mechanism is including the cooling tube that side by side distributes and set up and install the extension board on the framework with the cooling tube, the cooling tube is coiling setting structure, and cooling tube one end is equipped with the air inlet joint, and the other end is equipped with the air outlet joint, the cooling tube that distributes and set up is connected with the air inlet header through the air inlet joint respectively, and the air inlet header is equipped with steam inlet outward, and the cooling tube is connected with the air outlet header through the air outlet joint, and the air outlet header is equipped with steam outlet outward to make the interior steam circulation of cooling tube.

As a further scheme of the utility model: the support is fixedly arranged at two ends of the frame body, a plurality of fixing holes are distributed on the support, and the support is fixedly arranged on the support in a building mode so that the radiating pipes are distributed and arranged.

As a further scheme of the utility model: the support plates are respectively arranged at two ends of the radiating pipes, corresponding openings are formed in the support plates corresponding to the radiating pipes, so that the radiating pipes extend out through the support plates, screw holes are formed in two sides of the support plates respectively, and the support plates are fixedly arranged on the support of the frame body through screws.

As a further scheme of the utility model: the radiating pipe comprises pipe bodies arranged in parallel and elbows connected with adjacent pipe bodies in sequence, the pipe bodies are welded into a multi-loop structure through the elbows, and radiating fins are spirally arranged at the outer ends of the pipe bodies in a surrounding mode.

As a further scheme of the utility model: the frame body comprises two groups of side plates which are symmetrically arranged, a top plate is detachably arranged at the upper ends of the two groups of side plates and used for sealing and covering the heat dissipation mechanism, a bottom plate is arranged at the lower end of each side plate, and the support is fixedly arranged between the two groups of side plates.

As a further scheme of the utility model: the steam inlet extends out through the corresponding hole of the top plate, and the steam outlet extends out through the corresponding hole of the bottom plate.

As a further scheme of the utility model: the lower extreme of curb plate is installed the backing plate, and the backing plate is L template form structure.

Compared with the prior art, the utility model has the beneficial effects that: the heat dissipation mechanism not only improves the utilization rate of steam, but also improves the service life of the heat exchanger and reduces the installation and use cost under the condition of ensuring the process requirement of low-temperature slow baking by changing the connection and arrangement modes of the heat dissipation calandria. The radiating mechanism adopts radiating pipes which are distributed in parallel, and air circulates through gaps among the radiating pipes, so that the wind resistance is reduced, and the crushed tobacco leaves and the smoke dust are conveniently cleaned. The heat-dissipating pipes are welded by the elbows, so that the heat-dissipating pipes can be freely contracted by thermal expansion, the impact of water hammer is avoided, the service life of the heat exchanger is prolonged, the pipe body is welded into a multi-loop structure by the heat-dissipating pipes and the elbows, so that steam can be fully utilized by the multi-loop structure, the steam utilization rate is improved, and the energy is saved. The steam inlet and outlet of each zone are only one, so that the installation cost and difficulty are reduced, the radiating pipes are changed into the fork rows, the cleaning of broken tobacco leaves and smoke dust is facilitated, and the process requirement of low-temperature slow baking of a threshing and redrying line is truly met.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a heat dissipation mechanism according to the present utility model;

FIG. 3 is a schematic view of a heat pipe according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A;

the marks in the figure are as follows: 1. a frame; 2. a heat dissipation mechanism; 11. a bracket; 12. a side plate; 13. a top plate; 14. a bottom plate; 15. a backing plate; 16. a screw; 20. a support plate; 21. a heat radiating pipe; 22. an air inlet joint; 23. an air outlet joint; 24. an intake manifold; 25. a steam inlet; 26. an outlet header; 27. a steam outlet; 211. a tube body; 212. an elbow; 213. and a heat radiating fin.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the implementation, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in figures 1 to 4 of the drawings,

the embodiment provides an integral special threshing and redrying heat exchanger, which comprises a frame body 1 and a heat dissipation mechanism 2 arranged on the frame body 1, wherein openings are formed in two sides of the frame body 1 so that air flows through the heat dissipation mechanism 2 for heating, the heat dissipation mechanism 2 comprises heat dissipation pipes 21 which are distributed in parallel and support plates 20 for arranging the heat dissipation pipes 21 on the frame body 1, the heat dissipation pipes 21 are of a coiled structure, one ends of the heat dissipation pipes 21 are provided with air inlet connectors 22, the other ends of the heat dissipation pipes are provided with air outlet connectors 23, the heat dissipation pipes 21 which are distributed are respectively connected with an air inlet header 24 through the air inlet connectors 22, a steam inlet 25 is formed outside the air inlet header 24, the heat dissipation pipes 21 are connected with an air outlet header 26 through the air outlet connectors 23, and a steam outlet 27 is formed outside the air outlet header 26 so that steam in the heat dissipation pipes 21 flows. Air enters from one side of the frame body 1, and is led out from the other side, so that radiating pipes are arranged in a penetrating and distributing mode, and heat exchange is carried out between the radiating pipes and the air, and therefore the air temperature is improved.

In this embodiment, the frame body 1 is provided with a bracket 11 for fixing the support plate 20, the bracket 11 is fixedly installed at two ends of the frame body 1, a plurality of fixing holes are distributed on the bracket 11, and the support plate 20 is fixedly installed on the bracket 11 to be distributed and arranged, so that the radiating pipe 21 is convenient to disassemble and assemble. The support plates 20 are respectively arranged at two ends of the radiating pipes 21, corresponding openings are formed in the support plates 20 corresponding to the radiating pipes 21, so that the radiating pipes 21 extend out through the support plates 20, screw holes are respectively formed in two sides of the support plates 20, and the support plates are fixedly arranged on the support 11 of the frame body 1 through screws 16.

In this embodiment, the heat dissipating tube 21 includes a tube body 211 arranged in parallel and an elbow 212 connected to the adjacent tube body 211 in sequence, the tube body 211 is welded to form a multi-loop structure with the elbow 212, and the outer end of the tube body 211 is spirally and circumferentially provided with heat dissipating fins 213 to improve the heat dissipating effect.

In this embodiment, the frame 1 includes two sets of side plates 12 symmetrically disposed, a top plate 13 is detachably mounted at the upper ends of the two sets of side plates 12, the top plate 13 is used for covering the heat dissipation mechanism 2, a bottom plate 14 is disposed at the lower end of the side plate 12, and the bracket 11 is fixedly mounted between the two sets of side plates 12. The steam inlets 25 extend through corresponding holes of the top plate 13, and the steam outlets 27 extend through corresponding holes of the bottom plate 14, so that the outer end pipelines are connected. The lower end of the side plate 12 is provided with a base plate 15, and the base plate 15 is of an L-shaped plate structure, so that the heat exchanger is convenient to fixedly mount.

The heat dissipation mechanism 2 not only improves the utilization rate of steam, but also improves the service life of the heat exchanger and reduces the installation and use cost under the condition of ensuring the process requirement of low-temperature slow baking by changing the connection and arrangement modes of the heat dissipation calandria. The heat dissipation mechanism 2 adopts the heat dissipation pipes 21 which are distributed in parallel, and air circulates through gaps among the heat dissipation pipes 21, so that the wind resistance is reduced, and the broken tobacco leaves and the smoke dust are conveniently cleaned. The heat dissipation pipes 21 are welded by the elbows 212, so that the heat dissipation pipes can be freely contracted by thermal expansion, the impact of water hammer is avoided, the service life of the heat exchanger is prolonged, the pipe body 211 is welded with the elbows 212 to form a multi-loop structure, steam can be fully utilized through multiple loops, the steam utilization rate is improved, and the energy is saved. The steam inlet and outlet of each zone are only one, so that the installation cost and difficulty are reduced, the radiating pipes 21 are changed into the fork rows, the cleaning of broken tobacco leaves and smoke dust is facilitated, and the process requirement of low-temperature slow baking of threshing and redrying lines is truly met.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof. It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Claims (7)

1. The utility model provides a special threshing and redrying heat exchanger of integral, includes the framework and installs the cooling mechanism on the framework, and the framework both sides are equipped with the opening to make the circulation of air run through cooling mechanism and heat its characterized in that: the heat dissipation mechanism comprises heat dissipation pipes which are distributed in parallel and support plates which are used for installing the heat dissipation pipes on a frame body, the heat dissipation pipes are of a coiled structure, one ends of the heat dissipation pipes are provided with air inlet connectors, the other ends of the heat dissipation pipes are provided with air outlet connectors, the heat dissipation pipes which are distributed are connected with an air inlet collecting pipe through the air inlet connectors respectively, a steam inlet is formed outside the air inlet collecting pipe, the heat dissipation pipes are connected with the air outlet collecting pipe through the air outlet connectors, and a steam outlet is formed outside the air outlet collecting pipe so that steam in the heat dissipation pipes circulates.

2. The integral special threshing redrying heat exchanger of claim 1, wherein: the support is fixedly arranged at two ends of the frame body, a plurality of fixing holes are distributed on the support, and the support is fixedly arranged on the support in a building mode so that the radiating pipes are distributed and arranged.

3. The integral special threshing redrying heat exchanger of claim 2, wherein: the support plates are respectively arranged at two ends of the radiating pipes, corresponding openings are formed in the support plates corresponding to the radiating pipes, so that the radiating pipes extend out through the support plates, screw holes are formed in two sides of the support plates respectively, and the support plates are fixedly arranged on the support of the frame body through screws.

4. The integral special threshing redrying heat exchanger of claim 1, wherein: the radiating pipe comprises pipe bodies arranged in parallel and elbows connected with adjacent pipe bodies in sequence, the pipe bodies are welded into a multi-loop structure through the elbows, and radiating fins are spirally arranged at the outer ends of the pipe bodies in a surrounding mode.

5. The integral special threshing redrying heat exchanger of claim 2, wherein: the frame body comprises two groups of side plates which are symmetrically arranged, a top plate is detachably arranged at the upper ends of the two groups of side plates and used for sealing and covering the heat dissipation mechanism, a bottom plate is arranged at the lower end of each side plate, and the support is fixedly arranged between the two groups of side plates.

6. The integral special threshing redrying heat exchanger of claim 5, wherein: the steam inlet extends out through the corresponding hole of the top plate, and the steam outlet extends out through the corresponding hole of the bottom plate.

7. The integral special threshing redrying heat exchanger of claim 5, wherein: the lower extreme of curb plate is installed the backing plate, and the backing plate is L template form structure.

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