CN212902480U - Steam energy mixed air drying system and steam energy hot pepper dryer applying same - Google Patents
Steam energy mixed air drying system and steam energy hot pepper dryer applying same Download PDFInfo
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- CN212902480U CN212902480U CN202021583850.6U CN202021583850U CN212902480U CN 212902480 U CN212902480 U CN 212902480U CN 202021583850 U CN202021583850 U CN 202021583850U CN 212902480 U CN212902480 U CN 212902480U
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Abstract
The utility model belongs to the technical field of agricultural machinery, in particular to a steam energy mixed air drying system and a steam energy hot pepper dryer applying the same, which comprises a drying area and static pressure boxes arranged at two sides of the drying area, wherein the static pressure boxes are separated from the drying area by vertical clapboards, the upper ends of the vertical clapboards are provided with high-temperature air inlets communicated with the static pressure boxes, the lower ends of the vertical clapboards are provided with low-temperature air outlets, and the static pressure boxes are internally provided with the mixed air drying system; the drying area top is provided with the hydrofuge hole, set up multilayer conveying mesh belt in the drying area, conveying mesh belt S type conveying from top to bottom, the high temperature air intake sets up between first layer and second floor conveying mesh belt. The purpose is that after the agricultural products enter the drying area, the agricultural products firstly enter the high-temperature area, the epidermis of the agricultural products can be rapidly softened by the high-temperature area, evaporation of moisture in the agricultural products is facilitated, and the drying speed is accelerated.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, concretely relates to steam energy hot pepper drying-machine.
Background
In the course of the processing of agricultural product, often can use drying-machine or desiccator to carry out hot air drying to agricultural product and handle, in carrying out drying process, the dry temperature greatly influences the drying effect of agricultural product, to the agricultural product that the peel is than thicker, in order to accelerate the drying rate of agricultural product, improves the drying effect of agricultural product, need soften the peel of agricultural product to guarantee the rapid draing of pulp.
Although the existing dryer is also arranged in multiple layers, in order to ensure the drying speed and effect, a fan is usually arranged on each layer, and the arrangement greatly increases the energy consumption of the whole equipment and has no universality.
Disclosure of Invention
In order to solve the problem, the utility model provides a steam energy hot pepper drying-machine.
In order to achieve the above object, the utility model adopts the following technical scheme: the dryer comprises a drying area and static pressure boxes arranged on two sides of the drying area, the static pressure boxes are separated from the drying area by vertical partition plates, high-temperature air inlets communicated with the static pressure boxes are formed in the upper ends of the vertical partition plates, low-temperature air outlets are formed in the lower ends of the vertical partition plates, and air mixing and drying systems are arranged in the static pressure boxes; the air mixing and drying system comprises a heat exchanger, the heat exchanger is communicated with a steam pipeline, an air inlet of the heat exchanger is communicated with the outside, and an air outlet of the heat exchanger is communicated with the static pressure box through a first fan; the low-temperature air outlet is connected with a circulating air pipe, and the circulating air pipe is communicated with the static pressure box through a second fan; the drying area top is provided with the hydrofuge hole, set up multilayer conveying mesh belt in the drying area, conveying mesh belt S type conveying from top to bottom, the high temperature air intake sets up between first layer and second floor conveying mesh belt.
Preferably, the air inlet of the heat exchanger is communicated with a first air outlet of the heat regenerator, the first air inlet of the heat regenerator is communicated with the outside, the moisture exhaust hole in the top of the drying area is connected with an air return pipe, the other end of the air return pipe is connected with a second air inlet of the heat regenerator, and the second air outlet is communicated with the outside.
Preferably, the return air pipe is provided with a first flow regulating valve.
Preferably, the number of the high-temperature air inlets is two, and the two high-temperature air inlets are respectively positioned between the first layer and the second layer, and between the second layer and the third layer of the conveying mesh belt.
Preferably, a second flow regulating valve is arranged at the first air inlet.
Preferably, the drying circulation systems are arranged on two sides of the drying zone and are arranged in a plurality of groups in a staggered manner.
Preferably, the upper part of the drying zone is provided with a feeding zone communicated with the drying zone.
A steam energy mixed air drying system is arranged in a static pressure box, a high-temperature air inlet communicated with a drying area is formed in the upper end of the static pressure box, the drying system comprises a heat exchanger, the heat exchanger is communicated with a steam pipeline, the air inlet of the heat exchanger is communicated with the outside, and the air outlet of the heat exchanger is communicated with the static pressure box through a first fan; a circulating air pipe is arranged at the bottom of the static pressure box, the circulating air pipe is communicated with the static pressure box through a second fan, and the other end of the circulating air pipe is communicated with the bottom of the drying area; and the top of the drying area is provided with a moisture exhaust hole.
Preferably, the air inlet of the heat exchanger is communicated with a first air outlet of the heat regenerator, the first air inlet of the heat regenerator is communicated with the outside, the moisture exhaust hole in the top of the drying area is connected with an air return pipe, the other end of the air return pipe is connected with a second air inlet of the heat regenerator, and the second air outlet is communicated with the outside.
The utility model discloses an useful part lies in: 1. after the agricultural products enter the drying area, the agricultural products firstly enter a high-temperature area, and the epidermis of the agricultural products can be quickly softened by the high-temperature area, so that the evaporation of moisture in the agricultural products is facilitated, and the drying speed is accelerated; 2. the hot air flowing out of the drying area is divided into two parts, one part of the hot air carries moisture upwards out of the drying area, the other part of the hot air enters the static pressure box from the bottom of the drying area, is mixed with high-temperature hot air to form the temperature required by the dried material, and is blown into the drying area for drying; 3. the hot air flowing upwards passes through the heat regenerator to exchange heat with the fresh air, and the fresh air entering the heat regenerator is preheated, so that the purpose of heat recovery is achieved, and the energy consumption is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a cross-sectional view of the present invention.
In the figure: 1-a heat exchanger; 2-a first fan; 3-a second fan; 4-circulating air pipe; 5-a heat regenerator; 6-air return pipe; 7-material; 9-a first air inlet; 10-a second air outlet; 11-high temperature air inlet; 12-a first flow regulating valve; 13-a steam line; 14-a feeding zone; 16-a low-temperature air outlet; 17-a plenum box; 18-a drying zone; 19-a vertical partition; 20-a conveyor belt; 21-a first air outlet; 22-a second air inlet; 23-second flow regulating valve.
Detailed Description
The utility model belongs to the technical field of agricultural machine, concretely relates to steam can hot pepper drying-machine, the utility model discloses use the processing hot pepper as an example, actually also can be used for handling other agricultural products as required.
As shown in fig. 1-2, a steam energy pepper dryer is provided, the dryer includes a drying area 18 and static pressure boxes 17 disposed at two sides of the drying area 18, the drying area 18 is fixedly connected with the static pressure boxes 17, the whole device can be processed in a closed manner; the static pressure box 17 and the drying area 18 are separated by a vertical partition plate 19, the upper end of the vertical partition plate 19 is provided with a high-temperature air inlet 11 communicated with the static pressure box 17, the lower end of the vertical partition plate 19 is provided with a low-temperature air outlet 16, and the static pressure box 17 is internally provided with an air mixing and drying system. It can be understood that after the air mixing is performed in the static pressure box 17, since the static pressure box 17 is communicated with the drying area 18 through the high-temperature air inlet 11, the mixed air can be blown into the drying area 18 from the high-temperature air inlet 11 for drying, and the high-temperature area is ensured at the upper layer of the drying area 18, and the temperature is gradually reduced along with the continuous downward conveying of the conveying mesh belt 20, and still the drying of the peppers can be ensured, and the low-temperature hot air is finally blown into the static pressure box 17 from the low-temperature air outlet 16 and is mixed with the high-temperature hot air again, so that the recycling and the cyclic drying of the hot air are completed.
The mixed air drying system comprises a heat exchanger 1, wherein the heat exchanger 1 is communicated with a steam pipeline 13, the steam pipeline 13 is connected with the steam generator to convey steam generated in the steam generator, an air inlet of the heat exchanger 1 is communicated with the outside, an air outlet of the heat exchanger 1 is communicated with a static pressure box 17 through a first fan 2, outside fresh air is pumped into the heat exchanger 1 under the action of the first fan 2, and the fresh air is subjected to heat exchange with the steam in the heat exchanger 1, so that the fresh air is heated to a set high temperature and then is blown into the static pressure box 17.
The low-temperature air outlet 16 is connected with a circulating air pipe 4, the circulating air pipe 4 is communicated with the static pressure box 17 through a second fan 3, partial hot air in the drying area 18 is pumped into the static pressure box 17 from the bottom of the drying area 18 under the action of the second fan 3 to be mixed with high-temperature hot air (hot air heated by steam), and the mixed air is pressed into the drying area 18 together; a moisture exhaust hole is formed in the top of the drying area 18, a part of hot air in the drying area 18 flows upwards and is blown out of the moisture exhaust hole in the top of the drying area 18 together with moisture in the drying area 18, so that the moisture in the drying area 18 is reduced, and the discharge of dried moisture is ensured; set up multilayer conveying mesh belt 20 in the drying zone 18, conveying mesh belt 20 from top to bottom S type conveying, high temperature air intake 11 sets up between first layer and second floor conveying mesh belt 20 to guarantee in whole drying zone 18, the temperature from the top down is degressive in proper order, and the region that whole drying zone 18 temperature is the highest is asked for at the top of drying zone 18, can guarantee to enter into the hot pepper epidermis in drying zone 18 and soften rapidly, does benefit to the evaporation of hot pepper moisture, shortens drying cycle. The first fan 2 and the second fan 3 are both axial flow fans.
An air inlet of the heat exchanger 1 is communicated with a first air outlet 21 of the heat regenerator 5, and a first air inlet 9 of the heat regenerator 5 is communicated with the outside, so that fresh air can enter; the moisture exhaust hole at the top of the drying area 18 is connected with the air return pipe 6, the other end of the air return pipe 6 is connected with the second air inlet 22 of the heat regenerator 5, and the second air outlet 10 is communicated with the outside. The part of the hot air with the moisture blown out upwards from the drying area 18 is introduced into the heat regenerator 5 for waste heat utilization due to higher temperature, so that the fresh air entering the heat regenerator 5 is preheated, the temperature of the fresh air entering the heat exchanger 1 is increased, and the energy consumption of the fresh air directly heated by steam is reduced.
The air return pipe 6 is provided with a first flow regulating valve 12, the first air inlet 9 is provided with a second flow regulating valve 23, the first flow regulating valve 12 and the second flow regulating valve 23 can adopt electric or manual modes to regulate the flow of the air return pipe 6 and the air intake of fresh air, the second air outlet 10 is provided with a humidity sensor, and when the humidity detected by the humidity sensor exceeds a set value, the first flow regulating valve 12 and the second flow regulating valve 23 increase the opening degree and increase the air intake of the fresh air; when the humidity detected by the humidity sensor is lower than a set value, the opening degrees of the first flow regulating valve 12 and the second flow regulating valve 23 are reduced, and the drying effect of the materials is ensured.
Each group of the high-temperature air inlets 11 is set to be two and is respectively positioned between the first layer and the second layer and between the second layer and the third layer of the conveying mesh belt 20, the number of the high-temperature air inlets 11 is increased to two, the hot pepper is ensured to be in a high-temperature area for a longer time, and the hot pepper drying speed is accelerated.
The drying circulation systems are arranged on two sides of the drying area 18 and are arranged in a plurality of groups in a staggered mode, the drying area 18 is communicated with the feeding area 14, the peppers are directly conveyed to the uppermost layer of the drying area 18 by the feeding area 14 and then conveyed from top to bottom in the drying area 18. The loading zone 14 may be a conveyor loading system known in the art and will not be described in detail herein.
A steam energy mixed air drying system is arranged in a static pressure box 17, a high-temperature air inlet 11 communicated with a drying area 18 is formed in the upper end of the static pressure box 17, the drying system comprises a heat exchanger 1, the heat exchanger 1 is communicated with a steam pipeline 13, the air inlet of the heat exchanger 1 is communicated with the outside, and the air outlet of the heat exchanger 1 is communicated with the static pressure box 17 through a first fan 2; a circulating air pipe 4 is arranged at the bottom of the static pressure box 17, the circulating air pipe 4 is communicated with the static pressure box 17 through a second fan 3, and the other end of the circulating air pipe 4 is communicated with the bottom of the drying area 18; the top of the drying area 18 is provided with a moisture exhaust hole.
The air inlet of the heat exchanger 1 is communicated with a first air outlet 21 of the heat regenerator 5, a first air inlet 9 of the heat regenerator 5 is communicated with the outside, a moisture exhaust hole at the top of the drying area 18 is connected with an air return pipe 6, the other end of the air return pipe 6 is connected with a second air inlet 22 of the heat regenerator 5, and a second air outlet 10 is communicated with the outside. The steam energy mixed air drying system is suitable for any drying system which adopts steam energy to dry. The utility model discloses well regenerator, heat exchanger, steam generator all are prior art, consequently no longer give unnecessary details.
The specific working mode is as follows: the peppers are conveyed from the feeding area 14 to the uppermost layer of the drying area 18, and the materials 7 (peppers) are conveyed from top to bottom; at this moment, the first fan 2 and the second fan 3 work, the first fan 2 sucks external fresh air into the heat exchanger 1 from the first air inlet 9, the fresh air exchanges heat with steam in the heat exchanger 1, the heated fresh air is conveyed into the static pressure box 17, high-temperature hot air is pressed into the drying area 18 from the high-temperature air inlet 11 after being mixed with low-temperature hot air pumped out from the bottom of the drying area 18 in the static pressure box 17, the first layer and the second layer of peppers are dried at high temperature, the skin of the peppers is softened quickly, and the drying speed is accelerated.
One part of the dried hot air is sent into the heat regenerator 5 from the air return pipe 6 on the drying area 18 and exchanges heat with the fresh air sucked from the first air inlet 9 to preheat the fresh air, so that the energy consumption is reduced, and part of the preheated hot air is discharged into the outside air from the second air outlet 10 together with moisture; the other part of the hot air in the drying area downwards passes through the layers of hot peppers and enters the static pressure box 17 from the bottom of the drying area 18.
The above embodiments are preferred embodiments, it should be noted that the above preferred embodiments should not be considered as limitations of the present invention, and the scope of the present invention should be limited by the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and scope of the invention, and such modifications and improvements should be considered within the scope of the invention.
Claims (9)
1. The utility model provides a steam energy hot pepper drying-machine which characterized in that: the dryer comprises a drying area (18) and static pressure boxes (17) arranged on two sides of the drying area (18), the static pressure boxes (17) are separated from the drying area (18) by vertical partition plates (19), high-temperature air inlets (11) communicated with the static pressure boxes (17) are formed in the upper ends of the vertical partition plates (19), low-temperature air outlets (16) are formed in the lower ends of the vertical partition plates (19), and a steam energy air mixing and drying system is arranged in the static pressure boxes (17); the steam energy air mixing drying system comprises a heat exchanger (1), the heat exchanger (1) is communicated with a steam pipeline (13), an air inlet of the heat exchanger (1) is communicated with the outside, and an air outlet of the heat exchanger (1) is communicated with a static pressure box (17) through a first fan (2); the low-temperature air outlet (16) is connected with a circulating air pipe (4), and the circulating air pipe (4) is communicated with a static pressure box (17) through a second fan (3); drying area (18) top is provided with the hydrofuge hole, set up multilayer conveying mesh belt (20) in drying area (18), conveying mesh belt (20) S type conveying from top to bottom, high temperature air intake (11) set up between first layer and second floor conveying mesh belt (20).
2. The steam-powered pepper dryer as claimed in claim 1, characterized in that: the air inlet of the heat exchanger (1) is communicated with a first air outlet (21) of the heat regenerator (5), the first air inlet (9) of the heat regenerator (5) is communicated with the outside, a moisture exhaust hole in the top of the drying area (18) is connected with the air return pipe (6), the other end of the air return pipe (6) is connected with a second air inlet (22) of the heat regenerator (5), and a second air outlet (10) is communicated with the outside.
3. The steam-powered pepper dryer as claimed in claim 2, characterized in that: and a first flow regulating valve (12) is arranged on the air return pipe (6).
4. The steam-powered pepper dryer as claimed in claim 1, characterized in that: the two high-temperature air inlets (11) are respectively positioned between the first layer and the second layer and between the second layer and the third layer of the conveying mesh belt (20).
5. The steam-powered pepper dryer as claimed in claim 2, characterized in that: and a second flow regulating valve (23) is arranged at the first air inlet (9).
6. The steam-powered pepper dryer as claimed in claim 1, characterized in that: the drying circulation systems are arranged on two sides of the drying area (18) and are arranged in a plurality of groups in a staggered mode.
7. The steam-powered pepper dryer as claimed in claim 1, characterized in that: the upper part of the drying zone (18) is provided with a feeding zone (14) communicated with the drying zone.
8. The utility model provides a steam can mix wind drying system which characterized in that: the drying system is arranged in a static pressure box (17), a high-temperature air inlet (11) communicated with a drying area (18) is formed in the upper end of the static pressure box (17), the drying system comprises a heat exchanger (1), the heat exchanger (1) is communicated with a steam pipeline (13), the air inlet of the heat exchanger (1) is communicated with the outside, and the air outlet of the heat exchanger (1) is communicated with the static pressure box (17) through a first fan (2); a circulating air pipe (4) is arranged at the bottom of the static pressure box (17), the circulating air pipe (4) is communicated with the static pressure box (17) through a second fan (3), and the other end of the circulating air pipe (4) is communicated with the bottom of the drying area (18); the top of the drying area (18) is provided with a moisture exhaust hole.
9. The steam energy and wind mixing drying system of claim 8, wherein: the air inlet of the heat exchanger (1) is communicated with a first air outlet (21) of the heat regenerator (5), the first air inlet (9) of the heat regenerator (5) is communicated with the outside, a moisture exhaust hole in the top of the drying area (18) is connected with the air return pipe (6), the other end of the air return pipe (6) is connected with a second air inlet (22) of the heat regenerator (5), and a second air outlet (10) is communicated with the outside.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583850.6U CN212902480U (en) | 2020-08-03 | 2020-08-03 | Steam energy mixed air drying system and steam energy hot pepper dryer applying same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021583850.6U CN212902480U (en) | 2020-08-03 | 2020-08-03 | Steam energy mixed air drying system and steam energy hot pepper dryer applying same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776314A (en) * | 2021-11-11 | 2021-12-10 | 中建环能科技股份有限公司 | Heat exchange device |
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- 2020-08-03 CN CN202021583850.6U patent/CN212902480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776314A (en) * | 2021-11-11 | 2021-12-10 | 中建环能科技股份有限公司 | Heat exchange device |
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