CN212902495U - Mixed air drying system and closed pepper dryer using same - Google Patents
Mixed air drying system and closed pepper dryer using same Download PDFInfo
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- CN212902495U CN212902495U CN202021583902.XU CN202021583902U CN212902495U CN 212902495 U CN212902495 U CN 212902495U CN 202021583902 U CN202021583902 U CN 202021583902U CN 212902495 U CN212902495 U CN 212902495U
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Abstract
The utility model belongs to the technical field of agricultural machinery, in particular to a mixed air drying system and a closed pepper dryer applying the same, which comprises a drying area and static pressure boxes arranged at two sides of the drying area, wherein the drying area and the static pressure boxes are separated by a vertical clapboard, the upper end of the vertical clapboard is provided with a high temperature air supply outlet communicating the static pressure boxes and the drying area, and the lower end of the vertical clapboard is provided with a low temperature air outlet communicating the static pressure boxes and the drying area; and a mixed air drying device is arranged in the static pressure box, and the mixed air drying device mixes and heats fresh air sucked into the outside and air discharged from the low-temperature air outlet and then sends the heated fresh air to a drying area through a high-temperature air supply outlet. 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 closed 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 closed hot pepper drying-machine.
In order to achieve the above object, the utility model adopts the following technical scheme: the static pressure box is arranged on two sides of the drying area, the drying area is separated from the static pressure box by a vertical partition plate, a high-temperature air supply opening communicated with the static pressure box and the drying area is formed in the upper end of the vertical partition plate, and a low-temperature air outlet communicated with the static pressure box and the drying area is formed in the lower end of the vertical partition plate; the static pressure box is internally provided with a mixed air drying device which mixes and heats fresh air sucked into the outside and air discharged from the low-temperature air outlet and then sends the heated fresh air to the drying area through the high-temperature air supply outlet; the top of the drying area is provided with a moisture exhaust port, and a fresh air inlet is formed in the position, close to the static pressure box, of the top of the drying area; and a plurality of layers of conveying mesh belts are arranged in the drying area, the conveying mesh belts are conveyed in an S shape from top to bottom, and the high-temperature air supply outlet is arranged between the first layer of conveying mesh belts and the second layer of conveying mesh belts.
Preferably, the air mixing and drying device comprises a horizontal partition plate which divides the static pressure box into a static pressure upper box and a static pressure lower box, a dehumidification heat pump is arranged in the static pressure lower box, a high-temperature circulating fan is arranged in the static pressure upper box, and an air inlet of the high-temperature circulating fan is communicated with an air outlet of the dehumidification heat pump; and the upper side of the first layer of conveying mesh belt outside the drying area is communicated with an air return pipe, the other end of the air return pipe is communicated with the static pressure lower box, and the fresh air inlet corresponds to the air return pipe in position.
Preferably, a low-temperature circulating fan is arranged in the static pressure upper box, and an air inlet of the low-temperature circulating fan is communicated with the static pressure lower box.
Preferably, the air mixing and drying devices are arranged in a plurality of groups on two sides of the drying area in a staggered manner.
Preferably, each group of the high-temperature air supply outlets is 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.
Preferably, an auxiliary electric heating pipe is arranged on the dehumidification heat pump.
Preferably, flow regulating valves are arranged at the fresh air inlet and the moisture exhaust port.
A mixed air drying system is arranged in a static pressure box, the static pressure box is divided into a static pressure upper box and a static pressure lower box by a horizontal partition plate, a dehumidification heat pump is arranged in the static pressure lower box, a high-temperature circulating fan is arranged in the static pressure upper box, and an air inlet of the high-temperature circulating fan is communicated with an air outlet of the dehumidification heat pump; the static pressure upper box and the static pressure lower box are respectively communicated with the drying area through a high-temperature air supply outlet and a low-temperature air outlet; the upper side of the first layer of conveying net belt outside the drying area is communicated with an air return pipe, the other end of the air return pipe is communicated with the static pressure lower box, a fresh air inlet is formed in the top of the drying area, and the position of the fresh air inlet corresponds to that of the air return pipe.
Preferably, a low-temperature circulating fan is arranged in the static pressure upper box, and an air inlet of the low-temperature circulating fan is communicated with the static pressure lower box.
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 circulates upwards to the lower side of the static pressure box, the other part of the hot air enters the static pressure box from the bottom of the drying area, is heated to the required temperature again after being mixed and is blown into the drying area for drying, the low-temperature hot air is rapidly heated, and the purpose of reducing energy consumption can be achieved; 3. the dehumidification heat pump has the dehumidification function when heating, can make whole drying-machine can closed operation or speed down outside air exchange operation, reduces the influence of external environment to the drying area, guarantees the quality of drying.
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-static pressure loading in a box; 2-high temperature circulating fan; 3-discharging the box under static pressure; 4-horizontal partition board; 5-air return inlet; 6-air return pipe; 7-material; 9-fresh air inlet; 10-a moisture removal port; 11-a high-temperature air supply outlet; 12-a conveyor belt; 13-low temperature circulating fan; 14-a feeding zone; 15-a dehumidifying heat pump; 16-a low-temperature air outlet; 18-vertical partition.
Detailed Description
The utility model belongs to the technical field of agricultural machine, concretely relates to closed 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 closed pepper dryer is provided, which includes a drying region 8 and static pressure boxes disposed at two sides of the drying region 8, the drying region 8 and the static pressure boxes are separated by a vertical partition plate 18, a high temperature air supply outlet 11 communicating the static pressure boxes and the drying region 8 is disposed at the upper end of the vertical partition plate 18, and a low temperature air outlet 16 communicating the static pressure boxes and the drying region 8 is disposed at the lower end of the vertical partition plate 18; the static pressure box is internally provided with a mixed air drying device which mixes and heats fresh air sucked into the outside and air discharged from the low-temperature air outlet 16 and then sends the heated fresh air to the drying area 8 through the high-temperature air supply outlet 11; a moisture exhaust port 10 is formed in the top of the drying area 8, and a fresh air inlet 9 is formed in the position, close to the static pressure box, of the top of the drying area 8; and a plurality of layers of conveying mesh belts 12 are arranged in the drying area 8, the conveying mesh belts 12 are conveyed in an S shape from top to bottom, and the high-temperature air supply outlet 11 is arranged between the first layer of conveying mesh belts 12 and the second layer of conveying mesh belts 12.
The air mixing and drying device comprises a horizontal partition plate 4 which divides a static pressure box into a static pressure upper box 1 and a static pressure lower box 3, a dehumidifying heat pump 15 is arranged in the static pressure lower box 3, a high-temperature circulating fan 2 is arranged in the static pressure upper box 1, and an air inlet of the high-temperature circulating fan 2 is communicated with an air outlet of the dehumidifying heat pump 15; and the upper side of the first layer of conveying mesh belt 12 outside the drying area 8 is communicated with an air return pipe 6, the other end of the air return pipe 6 is communicated with the static pressure lower box 3, and the fresh air inlet 9 corresponds to the air return pipe 6. Dehumidification heat pump is as main heat source, heats hot-blast back to required temperature, makes hot-blast drying through drying zone 8 because of the incasement malleation, mix wind drying device and arrange into the multiunit in drying zone 8's both sides staggered arrangement, 11 every groups of high temperature supply-air outlets set up to two, lie in respectively between first layer and second floor, second floor and third layer conveying mesh belt 12, high temperature hot-blast delivery to drying zone 8 in the staggered way. Part of the hot air in the drying area 8 flows upwards, part of the hot air flows downwards, the hot air flowing upwards is sent to the static pressure lower box 3 through the air return pipe 6, and moisture can be extruded out from the moisture exhaust port 10; high-temperature hot air flows downwards through the materials layer by layer, the temperature is gradually reduced, low-temperature hot air flowing downwards is mixed with high-temperature hot air flowing out of the return air pipe 6 in the static pressure lower box 3, mixed air is dehumidified through the dehumidifying heat pump 15, is heated to the required temperature again, is blown into the static pressure upper box 1, and is pressed into the drying area 8 due to the positive pressure in the box.
The static pressure upper box 1 is internally provided with a low-temperature circulating fan 13, an air inlet of the low-temperature circulating fan 13 is communicated with the static pressure lower box 3, and the low-temperature circulating fan 13 sends mixed air in the static pressure lower box 3 into the static pressure upper box 1, mixes the mixed air with high-temperature hot air blown out of the dehumidifying heat pump 15 again and then sends the mixed air into the drying area 8 for drying.
The dehumidification heat pump is provided with the auxiliary electric heating pipe, and the auxiliary dehumidification heat pump heats, improves the programming rate in the start-up stage, or according to the technology demand, improves the inlet air temperature in drying zone, and the heat that can provide to surpassing the dehumidification heat pump is supplied the use. The high-temperature air supply outlet 11 between the first layer and the second layer of the conveying mesh belt 12 is also added with auxiliary electric heating to meet the process requirement of high temperature of the upper layer.
Flow regulating valves are arranged at the fresh air inlet 9 and the moisture discharging port 10, the flow regulating valves can be automatic or manual, a humidity sensor is arranged at the return air inlet of the dehumidifying heat pump, when the humidity exceeds a set value, the fresh air inlet 9 and the moisture discharging port 10 are opened, and hot air with moisture is discharged through the moisture discharging port; when the humidity detected at the return air inlet of the dehumidifying heat pump is reduced to a set value, the opening degrees of the fresh air inlet 9 and the dehumidifying port 10 are reduced, so that the humidity composite material drying condition in the drying area 8 is realized.
A mixed air drying system is arranged in a static pressure box, the static pressure box is divided into a static pressure upper box 1 and a static pressure lower box 3 by a horizontal partition plate 4, a dehumidifying heat pump 15 is arranged in the static pressure lower box 3, a high-temperature circulating fan 2 is arranged in the static pressure upper box 1, and an air inlet of the high-temperature circulating fan 2 is communicated with an air outlet of the dehumidifying heat pump 15; the static pressure upper box 1 and the static pressure lower box 3 are respectively communicated with the drying area 8 through a high-temperature air supply outlet 11 and a low-temperature air outlet 16; the upper side of the first layer of conveying mesh belt 12 outside the drying area 8 is communicated with an air return pipe 6, the other end of the air return pipe 6 is communicated with the static pressure lower box 3, the top of the drying area 8 is provided with a fresh air inlet 9, and the position of the fresh air inlet 9 corresponds to that of the air return pipe 6.
And a low-temperature circulating fan 13 is arranged in the static pressure upper box 1, and an air inlet of the low-temperature circulating fan 13 is communicated with the static pressure lower box 3. The drying system can be applied to any drying machine which needs to be heated and dried by mixed air.
The specific working mode is as follows: the hot pepper is carried to the superiors of drying zone 8 from material loading district 14, the high-temperature hot-blast air that the dehumidification heat pump will heat is sent to static pressure in the case 1, high-temperature hot-blast air is sent to drying zone 8 from high-temperature supply-air outlet 11 through the incasement malleation and is dried, the superiors of drying zone 8 are the position that whole drying zone 8 temperature is the highest, the hot pepper at first enters into the high temperature zone, can make the epidermis of hot pepper soften fast, accelerate the speed of drying, the hot pepper conveys downwards along conveying mesh belt 12 successive layer, the temperature reduces gradually.
The hot air in the drying area 8 is divided into an upward part and a downward part, one part of the upward flowing hot air brings out moisture from a moisture exhaust port 10, and most of the upward flowing hot air flows into the static pressure lower box 3 through the air return pipe 6; the temperature of hot air flowing downwards in the drying area 8 is reduced after passing through the hot peppers layer by layer, and the hot air is sent into the static pressure lower box 3 from a low-temperature air outlet 16 at the lower side of the drying area 8 and is mixed with the hot air flowing out of the air return pipe 6; the mixed hot air is dehumidified by a dehumidification heat pump 15, heated to the required temperature again and sent into the static pressure upper box 1; the air inlet of the low-temperature circulating fan 13 is directly connected with the static pressure lower box 3, the return air quantity at the air return pipe 6 is increased, and fresh air is exhausted from the fresh air inlet 9 and is sucked into the static pressure lower box 3.
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 closed hot pepper drying-machine which characterized in that: the drying device comprises a drying area (8) and static pressure boxes arranged on two sides of the drying area (8), wherein the drying area (8) is separated from the static pressure boxes by a vertical partition plate (18), a high-temperature air supply outlet (11) communicated with the static pressure boxes and the drying area (8) is formed in the upper end of the vertical partition plate (18), and a low-temperature air outlet (16) communicated with the static pressure boxes and the drying area (8) is formed in the lower end of the vertical partition plate (18); the static pressure box is internally provided with a mixed air drying device which mixes and heats fresh air sucked into the outside and air discharged from the low-temperature air outlet (16) and then sends the mixture to the drying area (8) through the high-temperature air supply outlet (11); a moisture exhaust port (10) is formed in the top of the drying area (8), and a fresh air inlet (9) is formed in the position, close to the static pressure box, of the top of the drying area (8); and a plurality of layers of conveying mesh belts (12) are arranged in the drying area (8), the conveying mesh belts (12) are conveyed in an S shape from top to bottom, and the high-temperature air supply outlet (11) is arranged between the first layer and the second layer of conveying mesh belts (12).
2. The enclosed pepper dryer as claimed in claim 1, wherein: the air mixing and drying device comprises a horizontal partition plate (4) which divides a static pressure box into a static pressure upper box (1) and a static pressure lower box (3), a dehumidifying heat pump (15) is arranged in the static pressure lower box (3), a high-temperature circulating fan (2) is arranged in the static pressure upper box (1), and an air inlet of the high-temperature circulating fan (2) is communicated with an air outlet of the dehumidifying heat pump (15); the upper side of the first layer of conveying mesh belt (12) outside the drying area (8) is communicated with an air return pipe (6), the other end of the air return pipe (6) is communicated with the static pressure lower box (3), and the fresh air inlet (9) corresponds to the air return pipe (6).
3. The enclosed pepper dryer as claimed in claim 2, wherein: and a low-temperature circulating fan (13) is arranged in the static pressure upper box (1), and an air inlet of the low-temperature circulating fan (13) is communicated with the static pressure lower box (3).
4. The enclosed pepper dryer as claimed in any one of claims 1-3, wherein: the air mixing and drying devices are arranged in a plurality of groups on two sides of the drying area (8) in a staggered way.
5. The enclosed pepper dryer as claimed in claim 1, wherein: and two high-temperature air supply outlets (11) are arranged in each group and 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 (12).
6. The enclosed pepper dryer as claimed in claim 2, wherein: and an auxiliary electric heating pipe is arranged on the dehumidifying heat pump (15).
7. The enclosed pepper dryer as claimed in claim 1, wherein: flow regulating valves are arranged at the fresh air inlet (9) and the moisture exhaust port (10).
8. The utility model provides a mix wind drying system which characterized in that: the air mixing and drying system is arranged in a static pressure box, the static pressure box is divided into a static pressure upper box (1) and a static pressure lower box (3) by a horizontal partition plate (4), a dehumidifying heat pump (15) is arranged in the static pressure lower box (3), a high-temperature circulating fan (2) is arranged in the static pressure upper box (1), and an air inlet of the high-temperature circulating fan (2) is communicated with an air outlet of the dehumidifying heat pump (15); the static pressure upper box (1) and the static pressure lower box (3) are respectively communicated with the drying area (8) through a high-temperature air supply outlet (11) and a low-temperature air outlet (16); the drying device is characterized in that an air return pipe (6) is communicated with the upper side of the first layer of conveying mesh belt (12) outside the drying area (8), the other end of the air return pipe (6) is communicated with the static pressure lower box (3), a fresh air inlet (9) is formed in the top of the drying area (8), and the fresh air inlet (9) corresponds to the air return pipe (6).
9. The air mixing and drying system of claim 8, wherein: and a low-temperature circulating fan (13) is arranged in the static pressure upper box (1), and an air inlet of the low-temperature circulating fan (13) is communicated with the static pressure lower box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583902.XU CN212902495U (en) | 2020-08-03 | 2020-08-03 | Mixed air drying system and closed pepper dryer using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583902.XU CN212902495U (en) | 2020-08-03 | 2020-08-03 | Mixed air drying system and closed pepper dryer using same |
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| CN212902495U true CN212902495U (en) | 2021-04-06 |
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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
- 2020-08-03 CN CN202021583902.XU patent/CN212902495U/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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