CN219208999U

CN219208999U - Heat energy recycling device

Info

Publication number: CN219208999U
Application number: CN202320875259.5U
Authority: CN
Inventors: 姜德全; 梁春阳; 王丽玲; 刘启鹏
Original assignee: Holwray Pharmaceutical China Co ltd
Current assignee: Holwray Pharmaceutical China Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-06-20
Anticipated expiration: 2033-04-19

Abstract

The utility model discloses a heat energy recycling device which comprises a drying box, an air inlet box and a fan, wherein a feeding pipe is arranged at the top of the drying box, one side of the feeding pipe is communicated with the top of the drying box and is arranged in an air inlet pipe, a conveying pipe is communicated with the bottom of the drying box, the other end of the conveying pipe is communicated with a cyclone separation box, an air outlet pipe is arranged at the top of the cyclone separation box, a discharging pipe with a control valve is arranged at the bottom of the cyclone separation box, a plurality of layers of corrugated plates are equidistantly arranged in the air inlet box, and cavities are arranged in the corrugated plates.

Description

Heat energy recycling device

Technical Field

The utility model relates to the technical field of heat energy recycling, in particular to a heat energy recycling device.

Background

A spray dryer is a device that can simultaneously perform drying and granulation, and thus is widely used in the pharmaceutical industry. Air is filtered and heated, enters an air distributor at the top of a drying tower, hot air enters the drying tower uniformly in a spiral manner, feed liquid is sprayed into ultrafine atomized liquid beads through an atomizer at the top of the tower body, and the atomized liquid beads are contacted with the hot air in parallel flow and can be dried into finished products in an extremely short time, and the finished products are continuously sent into a cyclone separation tower from a communicating pipe at the bottom of the drying tower to separate the finished products and are output from a discharge valve at the bottom of the cyclone separation tower.

After the air and the finished product are separated from each other in the cyclone separation tower in the production process of the existing spray dryer, the hot air is led out, cooled and discharged by the air cooler, but the air outlet temperature of the cooling fan reaches 70-80 ℃, the air outlet temperature of the drying fan reaches 90-100 ℃, the cold air is changed into hot air after air cooling and is directly discharged, and the heat energy in the hot air is not recycled, so that the resource waste is caused.

Disclosure of Invention

The utility model aims to provide a heat energy recycling device capable of improving waste heat recycling and reducing energy waste so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat energy recycling device, includes drying cabinet, air inlet case and fan, the top of drying cabinet is equipped with the inlet pipe, one side of inlet pipe just is located the top intercommunication of drying cabinet is located the air-supply line, the bottom intercommunication of drying cabinet is equipped with the conveying pipeline, the other end and the cyclone of conveying pipeline are linked together, the top of cyclone is equipped with out the tuber pipe, the inside equidistance of air-supply case is equipped with the multilayer buckled plate, the inside of buckled plate is equipped with the cavity, the both ends of buckled plate all are linked together with the branch pipe, buckled plate one end the tip of branch pipe with it is linked together to go out the tuber pipe, the one end of fan with one side of air inlet case is linked together, the other end of fan with the air-supply line is linked together, be equipped with heating element on the air-supply line, through addding air inlet case, buckled plate, cavity and branch pipe, can play the effect of preheating to the inside entering of air-supply line with the hot air of air-supply line, the effectual reduction energy use, reduced the use of discharging the heat in the tuber pipe, waste heat in the hot air of discharging in the tuber pipe has been reduced, the waste energy-saving waste in the waste energy-saving and waste in the energy-saving effect of waste in the realization of the hot air.

Preferably, the heating assembly comprises a heating box communicated with the air inlet pipe, a plurality of layers of heating pipes are arranged in the heating box at equal intervals, and the heating box is arranged on the outer side wall of the drying box and can heat air entering the air inlet pipe.

Preferably, the tip of the branch pipe of buckled plate other end runs through the air inlet case and outwards extends and the back flow is linked together, the other end and the insulation can of back flow are linked together, the insulation can cover is located the outside of drying cabinet, just the outer wall of drying cabinet with form the gap chamber between the inner wall of insulation can, one side intercommunication of insulation can is equipped with the blast pipe, can introduce the outer wall to the drying cabinet in the insulation can to the air after the waste heat utilization in the inside cavity of buckled plate and preheat, reduces the loss of the inside heat of drying cabinet.

Preferably, the outer wall of drying cabinet pass through the fixed block with the inner wall fixed connection of insulation can increases the stability that the drying cabinet installed in the insulation can inside.

Preferably, the air inlet box is far away from the one end intercommunication of fan is equipped with the air inlet screen panel, can play filterable effect to the inside air of entering box.

Preferably, a discharging pipe with a control valve is arranged at the bottom of the cyclone separation box, so that convenience in discharging finished medicine products in the cyclone separation box is improved.

Preferably, the last intercommunication of tuber pipe is equipped with the rose box, the inside of rose box is equipped with the filter screen, one side of filter screen is equipped with activated carbon adsorption otter board, can play the effect of filtration purification to the inside exhaust hot air of tuber pipe.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the existing spray dryer waste heat recovery device is optimized, and the hot air discharged from the air outlet pipe can be preheated for cold air entering the air inlet box by additionally arranging the air inlet box, the corrugated plate, the cavity and the branch pipes, so that the heating pipe can be reduced for electric power use, the energy consumption is effectively reduced, the heat waste of the hot air discharged from the air outlet pipe is reduced, the waste heat utilization in the hot air is greatly improved, the energy-saving and environment-friendly effects can be realized, and the waste of resources is reduced.

Drawings

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

FIG. 2 is a schematic view of the structure of the air inlet box in the utility model;

FIG. 3 is a cross-sectional view of an inlet box in the present utility model;

fig. 4 is a cross-sectional view of a corrugated board in accordance with the present utility model.

In the figure: 1. a drying box; 2. a feed pipe; 3. an air inlet pipe; 4. a material conveying pipe; 5. a cyclone separation box; 6. an air outlet pipe; 7. an air inlet box; 8. corrugated plates; 9. a cavity; 10. a branch pipe; 11. a blower; 12. a heating box; 13. heating pipes; 14. a return pipe; 15. an insulation box; 16. a slit cavity; 17. an exhaust pipe; 18. a filter box; 19. a filter screen; 20. an activated carbon adsorption screen; 21. and an air inlet net cover.

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.

Example 1

Referring to fig. 1-4, a heat energy recycling device in the drawing includes a drying box 1, an air inlet box 7 and a fan 11, wherein a feeding pipe 2 is arranged at the top of the drying box 1, one side of the feeding pipe 2 is communicated with the top of the drying box 1 and is arranged at an air inlet pipe 3, a conveying pipe 4 is arranged at the bottom of the drying box 1, the other end of the conveying pipe 4 is communicated with a cyclone separation box 5, an air outlet pipe 6 is arranged at the top of the cyclone separation box 5, a discharging pipe with a control valve is arranged at the bottom of the cyclone separation box 5, a plurality of layers of corrugated plates 8 are arranged at equal intervals in the air inlet box 7, cavities 9 are arranged in the corrugated plates 8, two ends of each corrugated plate 8 are communicated with a branch pipe 10, one end of each corrugated plate 8 is communicated with the corresponding air outlet pipe 6, one end of each corrugated plate 8 is communicated with one side of the corresponding air inlet box 7, the other end of each fan 11 is communicated with the corresponding air inlet pipe 3, and a heating assembly is arranged on the air inlet pipe 3.

Referring to fig. 3, the heating assembly in the drawing includes a heating box 12 connected to the air inlet pipe 3, a plurality of layers of heating pipes 13 are equidistantly disposed inside the heating box 12, and the heating box 12 is mounted on the outer side wall of the drying box 1.

When waste heat in the spray dryer is recovered and utilized: firstly, a finished product of a medicine after drying and granulating in a drying box 1 enters a cyclone separation box 5 through a conveying pipe 4 under the impact of high pressure in the drying box 1, hot air and the finished product of the medicine are separated by cyclone air flow in the cyclone separation box 5, the finished product of the medicine is discharged through a discharge pipe, the hot air enters a branch pipe 10 at one end of a corrugated plate 8 through an air outlet pipe 6, and as the branch pipe 10 is communicated with the corrugated plate 8, hot air can be sent into a cavity 9 in the corrugated plate 8 to heat the corrugated plate 8;

the fan 11 is started, the fan 11 is started to suck outside air into the air inlet box 7, the outside cold air needs to enter through one end of the corrugated plate 8 when entering into the air inlet box 7 and passes through a gap between two adjacent corrugated plates 8, the cold air contacts with the surface of the corrugated plate 8 after entering, the temperature of the surface of the corrugated plate 8 can play a role in preheating the entering cold air, the preheated air is sent into the heating box 12 by the fan 11, a heating pipe 13 is arranged in the heating box 12, the air after waste heat can be heated at the moment, the temperature of the air entering into the drying box 1 is improved, and the air is sent into the drying box 1 through the air inlet pipe 3 after being heated to dry and granulate raw materials;

the waste heat in the air is preheated by the waste heat in the discharged air, so that the heating pipe 13 can be reduced for using electric power, the energy consumption is effectively reduced, the waste of heat of the discharged hot air in the air outlet pipe 6 is reduced, the waste heat utilization in the hot air is greatly improved, the effects of energy conservation and environmental protection can be realized, and the waste of resources is reduced.

Example 2

Referring to fig. 1-4, this embodiment further illustrates example 1, in which a drying box 1, an air inlet box 7 and a fan 11 are shown, a feeding pipe 2 is disposed at the top of the drying box 1, one side of the feeding pipe 2 is located at the top of the drying box 1 and is communicated with an air inlet pipe 3, a conveying pipe 4 is disposed at the bottom of the drying box 1 and is communicated with a cyclone separation box 5, an air outlet pipe 6 is disposed at the top of the cyclone separation box 5, a discharging pipe with a control valve is disposed at the bottom of the cyclone separation box 5, multiple layers of corrugated plates 8 are equidistantly disposed in the air inlet box 7, cavities 9 are disposed in the corrugated plates 8, two ends of each corrugated plate 8 are communicated with a branch pipe 10, an end of one end of each corrugated plate 8 is communicated with the air outlet pipe 6, one end of each branch pipe 11 is communicated with one side of the air inlet box 7, the other end of each fan 11 is communicated with the air inlet pipe 3, and a heating assembly is disposed on the air inlet pipe 3;

referring to fig. 1, the end of a branch pipe 10 at the other end of a corrugated plate 8 in the drawing penetrates through a wind inlet box 7 and extends outwards to be communicated with a return pipe 14, the other end of the return pipe 14 is communicated with an insulation box 15, the insulation box 15 is sleeved on the outer side of a drying box 1, a gap cavity 16 is formed between the outer wall of the drying box 1 and the inner wall of the insulation box 15, and one side of the insulation box 15 is communicated with an exhaust pipe 17;

referring to fig. 1, the outer wall of the drying oven 1 in the drawing is fixedly connected with the inner wall of the insulation box 15 through a fixing block.

In this embodiment, be equipped with the insulation can in the outside of drying cabinet, and the inside that the exhaust hot air enters into the insulation can through the back flow in the buckled plate, then heat the lateral wall of drying cabinet, reduce the inside thermal loss of drying cabinet, improved the inside hot air of drying cabinet and to the dry efficiency of medicine raw materials, the inside air of insulation can be discharged by the blast pipe of one side, can realize recycling the inside exhaust hot air of buckled plate, through fixed block fixed connection between drying cabinet and the insulation can, the inside drying cabinet of insulation can play fixed support's effect, the stability of increase drying cabinet is placed.

Example 3

Referring to fig. 1-4, this embodiment further illustrates other examples, in which a drying box 1, an air inlet box 7 and a fan 11 are shown, a feeding pipe 2 is disposed at the top of the drying box 1, one side of the feeding pipe 2 is located at the top of the drying box 1 and is communicated with an air inlet pipe 3, a conveying pipe 4 is disposed at the bottom of the drying box 1 and is communicated with a cyclone separation box 5, an air outlet pipe 6 is disposed at the top of the cyclone separation box 5, a discharging pipe with a control valve is disposed at the bottom of the cyclone separation box 5, multiple layers of corrugated plates 8 are disposed at equal distances inside the air inlet box 7, cavities 9 are disposed inside the corrugated plates 8, two ends of each corrugated plate 8 are communicated with a branch pipe 10, an end of each branch pipe 10 of each corrugated plate 8 is communicated with the air outlet pipe 6, one end of each fan 11 is communicated with one side of the air inlet box 7, the other end of each fan 11 is communicated with the air inlet pipe 3, and a heating assembly is disposed on the air inlet pipe 3.

Referring to fig. 1-3, an air inlet screen 21 is arranged at one end of the air inlet box 7 far away from the fan 11 in the drawing;

referring to fig. 2, the air outlet pipe 6 in the drawing is provided with a filter box 18 in a communicating manner, a filter screen 19 is provided in the filter box 18, and an activated carbon adsorption screen 20 is provided on one side of the filter screen 19.

In this embodiment, through being equipped with air inlet screen panel 21 in one side of air inlet case 7, can play filterable effect to getting into the air of air inlet case 7, the clean and tidy nature of hot air when increasing the drying, the effectual security that improves spray drier to medicine processing is equipped with the rose box 18 of intercommunication on air-out pipe 6, the inside filter screen 19 of rose box 18 can play filterable effect to the inside hot air of air-out pipe 6, activated carbon adsorption screen panel 20 can play the effect of getting rid of to the inside peculiar smell of the hot air of air-out pipe 6 exhaust, has increased the exhaust security after the hot air recycle.

It is noted that relational terms such as first and second, and the like 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.

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. A heat energy recycling device, comprising:

the drying box (1), the top of drying box (1) is equipped with inlet pipe (2), one side of inlet pipe (2) just is located the top intercommunication of drying box (1) is located air-supply line (3), the bottom intercommunication of drying box (1) is equipped with conveying pipeline (4), the other end and the whirlwind separation case (5) of conveying pipeline (4) are linked together, the top of whirlwind separation case (5) is equipped with out tuber pipe (6);

the air inlet box (7), the inside equidistance of air inlet box (7) is equipped with multilayer buckled plate (8), the inside of buckled plate (8) is equipped with cavity (9), the both ends of buckled plate (8) all are linked together with branch pipe (10), buckled plate (8) one end the tip of branch pipe (10) with go out tuber pipe (6) and be linked together;

the air inlet box comprises an air inlet pipe (3), and is characterized by comprising a fan (11), wherein one end of the fan (11) is communicated with one side of the air inlet box (7), the other end of the fan (11) is communicated with the air inlet pipe (3), and a heating component is arranged on the air inlet pipe (3).

2. The heat energy recycling device according to claim 1, wherein the heating assembly comprises a heating box (12) communicated with the air inlet pipe (3), a plurality of layers of heating pipes (13) are equidistantly arranged in the heating box (12), and the heating box (12) is mounted on the outer side wall of the drying box (1).

3. The heat energy recycling device according to claim 1, wherein the end part of the branch pipe (10) at the other end of the corrugated plate (8) penetrates through the air inlet box (7) and extends outwards to be communicated with the return pipe (14), the other end of the return pipe (14) is communicated with the heat insulation box (15), the heat insulation box (15) is sleeved on the outer side of the drying box (1), a gap cavity (16) is formed between the outer wall of the drying box (1) and the inner wall of the heat insulation box (15), and an exhaust pipe (17) is arranged on one side of the heat insulation box (15) in a communicating mode.

4. A heat energy recycling device according to claim 3, characterized in that the outer wall of the drying box (1) is fixedly connected with the inner wall of the insulation box (15) through a fixing block.

5. The heat energy recycling device according to claim 1, wherein an air inlet net cover (21) is arranged at one end of the air inlet box (7) far away from the fan (11) in a communicating manner.

6. A heat energy recycling apparatus according to claim 1, characterized in that the bottom of the cyclone box (5) is provided with a discharge pipe with a control valve.

7. The heat energy recycling device according to claim 1, wherein a filter box (18) is communicated with the air outlet pipe (6), a filter screen (19) is arranged in the filter box (18), and an activated carbon adsorption screen plate (20) is arranged on one side of the filter screen (19).