CN213514726U - But heat pump baking house of steam recovery - Google Patents
But heat pump baking house of steam recovery Download PDFInfo
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- CN213514726U CN213514726U CN202022539933.1U CN202022539933U CN213514726U CN 213514726 U CN213514726 U CN 213514726U CN 202022539933 U CN202022539933 U CN 202022539933U CN 213514726 U CN213514726 U CN 213514726U
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Abstract
The utility model discloses a but heat pump baking house of steam recovery. The heat pump drying room comprises a drying room box body; a vertical baffle and a horizontal baffle are arranged in the drying room box body, the vertical baffle and the horizontal baffle are matched to form a 'r' shape, the lower area of the horizontal baffle is a drying area, the upper area of the horizontal baffle is a ventilation channel area, and a drying hot air backflow area is arranged between the vertical baffle and the drying room box body; the heat pump comprises a heat pump outer machine and a condenser, the heat pump outer machine is arranged outside the drying room box body, and the condenser is arranged on the horizontal baffle; at least one heat dissipation axial flow fan and an electric auxiliary heater are arranged on the horizontal baffle plate close to the condenser, and the electric auxiliary heater is arranged at an air outlet of the heat dissipation axial flow fan; at least one circulating fan is arranged on the vertical baffle; a steam recovery device is arranged in the dry hot air reflux area. The utility model discloses a set up steam recovery unit and optimize the baking house structure, combine together heat pump heat supply and the heat supply of electric auxiliary heating equipment through hot air circulating system, enlarged the application area and the time limit of baking house.
Description
Technical Field
The utility model relates to a but heat pump baking house of steam recovery belongs to the dry technical field of chinese-medicinal material.
Background
The drying operation is a process with larger energy consumption in many industries and is also an essential key link for processing many traditional Chinese medicinal materials and foods. In the drying process, extra energy waste is caused due to unreasonable structural design of drying equipment, and the quality of a dried product cannot be controlled. Many large-scale drying equipment rely on the heat exchange effect of hot gas flow to carry out the drying of material, and unreasonable structure can cause the material in the dry region can not dry completely in step and cause the waste of space. Medicinal flower products such as Luyou Huang chrysanthemum have large water content, and the steam discharged in the drying process has certain use added value, so the problem of collecting and treating the steam is also considered while drying efficiently.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but efficient steam recovery's heat pump baking house to solve the problem that current drying energy consumption is big, material outward appearance and quality are not good enough and increase the dry product added value.
The heat pump drying room capable of recycling steam provided by the utility model comprises a drying room box body and a heat pump;
a vertical baffle and a horizontal baffle are arranged in the drying room box body, the vertical baffle and the horizontal baffle are matched to form a reverse 'L' shape, the lower area of the horizontal baffle is a drying area, the upper area of the horizontal baffle is a ventilation channel area, and a drying hot air backflow area is arranged between the vertical baffle and the drying room box body; a ventilation channel opening is formed between the horizontal baffle and the box body of the drying room box body;
the heat pump comprises a heat pump outer machine and a condenser, the heat pump outer machine is arranged outside the drying room box body, and the condenser is arranged on the horizontal baffle;
the heat pump outdoor unit comprises a compressor, an evaporator, an expansion valve, a filter and the like;
the condenser is mainly used for liquefying gas or steam working medium from the heat pump, releasing heat and releasing the heat to a heating area through the heat-dissipation axial flow fan;
at least one heat dissipation axial flow fan and an electric auxiliary heater are arranged on the horizontal baffle plate close to the condenser, and the electric auxiliary heater is arranged at an air outlet of the heat dissipation axial flow fan;
at least one circulating fan is arranged on the vertical baffle;
a steam recovery device is arranged in the drying hot air backflow area;
the steam recovery device is mainly used for liquefying and recovering the wet and hot steam in the dry hot air reflux area, and simultaneously using the heat generated by liquefying the steam for the drying operation of the next stage;
and temperature and humidity sensors are arranged in the drying area and the drying hot air backflow area.
The electric auxiliary heater is arranged to adapt to the temperature difference between different areas and between the morning and the evening in different areas so that the drying room can continuously and stably carry out drying operation; and auxiliary heat supply is carried out at the stage of large heat quantity required by drying and when the heat quantity supplied by the heat pump is insufficient.
In the heat pump drying room, the drying area and the drying hot air backflow area are both provided with air speed sensors;
an electronic touch screen is arranged outside the drying room box body;
the temperature and humidity sensor, the wind speed sensor and the electronic touch screen are all connected with the PLC.
In the heat pump drying room, the steam recovery device is connected with a water collector arranged outside the drying room box body through a guide pipe;
the steam recovery device can recover steam generated in drying and can fully utilize heat in hot and humid air.
In the heat pump drying room, the drying area is provided with the movable material rack.
In the heat pump drying room, an inclined guide plate I is arranged at an air outlet of the heat dissipation axial flow fan;
the angle that guide plate I inclines is 30 to 90.
In the heat pump drying room, an inclined guide plate II is arranged on the side wall of the drying room box body at a position corresponding to the position of the ventilation channel opening;
the inclination angle of the guide plate II is 10-15 degrees;
the guide plate II is detachably arranged;
the guide plate I and the guide plate II can effectively improve the uniformity of hot air flow in a drying area and improve the quality of dried materials.
In the heat pump drying room, the wall body of the drying room box body is provided with the moisture removing air door.
The utility model discloses heat pump baking house's working process as follows: the heat required by drying of the drying room is provided by the heat pump and the electric auxiliary heater, and the heat emitted by the heat pump and the electric auxiliary heater is conveyed by the heat-radiating axial flow fan. The hot air passes through the ventilation channel area and is blocked by the wall, so that a small part of the hot air flows back, and a large part of the hot air enters the drying area through a ventilation channel opening between the horizontal baffle and the wall. In the drying area, the hot air medium heats the materials on the material rack, so that the moisture in the materials is transferred and diffused. Under the action of the circulating fan, on one hand, a disturbance effect is generated on a flow field of a drying area, and an internal flow field is uniform; on the other hand, the negative pressure circulating fan is used for discharging the hot and humid air generated by the materials in the drying area out of the drying area, so that the humidity gradient of the materials is increased, the moisture diffusion on the surfaces of the materials is accelerated, and the drying speed is accelerated. The high-temperature and high-humidity air firstly enters a hot air backflow area through the circulating fan, and the area can not only fully utilize waste heat, but also timely remove the hot and humid air when needed. Therefore, the hot and humid air entering the hot air backflow area can be collected into the water collector through the steam recovery device, the waste heat of the hot and humid air is fully utilized, the hot and humid air is driven by the axial flow fan to participate in the next circulating drying operation, the drying efficiency is improved, and the energy consumption is reduced.
The utility model discloses a set up steam recovery unit and optimize the baking house structure, combine together heat pump heat supply and the heat supply of electric auxiliary heating equipment through hot air circulating system, enlarged the application area and the time limit of this baking house. The efficient cyclic utilization of heat is realized, energy is saved, and the quality and the drying efficiency of a dried product are improved; meanwhile, the effective utilization of the added value of material resources is facilitated.
Drawings
Fig. 1 is a schematic structural view of the heat pump drying room with steam recycling function of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to the following embodiments.
As shown in fig. 1, for the utility model provides a but heat pump baking house's of vapor recovery structure schematic diagram, including outer machine 1 of heat pump, vapor-recovery unit 10, condenser 4, baking house box 3, heat dissipation axial fan 5, electric auxiliary heater 6, open-close type door 8, circulating fan 11 and material frame 9 etc..
A vertical baffle and a horizontal baffle are arranged in the drying room box body 1, the vertical baffle and the horizontal baffle are matched to form a reverse 'L' shape, the lower area of the horizontal baffle is a drying area 300, the upper area of the horizontal baffle is an air duct area 200, and a drying hot air backflow area 100 is arranged between the vertical baffle and the drying room box body; a ventilation channel opening is formed between the horizontal baffle plate and the box body of the drying room box body, a guide plate 52 with a certain inclination angle is arranged at the ventilation channel opening, so that hot air of the guide plate 52 can better act on the material layer, the inclination angle of the guide plate 52 is 10-15 degrees, and the guide plate can be detachably arranged.
The heat pump outdoor unit 1 is arranged outside the drying room box body 1, and the condenser 4 is arranged on the horizontal baffle plate. Four heat dissipation axial fan 5 and electric auxiliary heater 6 are arranged on the horizontal baffle plate and close to the condenser 4, the electric auxiliary heater 6 is arranged at the air outlet of the heat dissipation axial fan 5, five guide plates 51 with certain inclination angles are arranged on a right side fixing support of the heat dissipation axial fan 5, the function of uniform air flow is achieved, and the inclination angles of the guide plates 51 are 30-90 degrees. Three circulating fans 11 are arranged on the vertical baffle. The drying hot air backflow area is internally provided with a steam recovery device 10 which is connected with a water collector 53 arranged outside the drying room box body through a guide pipe 54, and the steam recovery device 10 not only can recover steam generated in drying, but also can fully utilize heat in damp and hot air.
The utility model discloses in the heat pump baking house, dry region and dry hot-blast backward flow region all are equipped with temperature and humidity sensor and air velocity transducer, and the baking house box is equipped with electronic touch screen outward, and temperature and humidity sensor, air velocity transducer and electronic touch screen all are connected with the PLC controller.
In order to adapt to the temperature difference of different areas and different areas in the morning and evening and ensure that the drying room can continuously and stably carry out drying operation, an electric auxiliary heater is arranged; and auxiliary heat supply is carried out at the stage of large heat quantity required by drying and when the heat quantity supplied by the heat pump is insufficient.
The utility model discloses heat pump baking house's working process as follows:
when the material needs to be dried, the material is put on the trays of the movable material racks 9 one by one, then the material is pushed into the drying room drying area 300, the opening-closing type door 8 is closed, the drying stages required for drying the material are arranged through the electronic touch screen, the time required by different drying stages, the required temperature, the air humidity required to be controlled and the rotating speed of the circulating fan are set. In the drying process, real-time monitoring is carried out through the temperature and humidity sensor and the wind speed sensor, and the signals are fed back to the monitoring electronic touch screen in time. The heat pump drying room starts, the heat pump and the electric auxiliary heater 6 work simultaneously at the moment, hot air enters a drying area under the driving of the heat dissipation axial flow fan 5 and the circulating fan 11, and the temperature of the drying area and the temperature of dried materials can be quickly improved. After the temperature of the drying region 300 reaches the set value, the electric auxiliary heater 6 stops working, and once the temperature is lower than the set value, the electric auxiliary heater 6 is restarted to heat, and the reciprocating cycle is performed. The material temperature promotes, and through the heat exchange effect of hot-air, damp and hot air constantly gets into hot air reflux area 100 under circulating fan 11's drive, and the humidity is great in hot air reflux area 100 this moment, and humidity can increase gradually. At this time, the hot and humid air is condensed into water and collected in the sump 53 under the operation of the vapor recovery device 10. Meanwhile, the temperature in the damp and hot air is higher, so that higher waste heat is utilized, and the energy consumption is less. The humidity is controlled within a set range by the vapor recovery device 10. If the humidity does not reach the set value for a long time in a certain stage, the dehumidifying air door 2 can be opened intermittently.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A heat pump drying room capable of recovering steam comprises a drying room box body; the method is characterized in that:
a vertical baffle and a horizontal baffle are arranged in the drying room box body, the vertical baffle and the horizontal baffle are matched to form a reverse 'L' shape, the lower area of the horizontal baffle is a drying area, the upper area of the horizontal baffle is a ventilation channel area, and a drying hot air backflow area is arranged between the vertical baffle and the drying room box body; a ventilation channel opening is formed between the horizontal baffle and the box body of the drying room box body;
the heat pump comprises a heat pump outer machine and a condenser, the heat pump outer machine is arranged outside the drying room box body, and the condenser is arranged on the horizontal baffle;
at least one heat dissipation axial flow fan and an electric auxiliary heater are arranged on the horizontal baffle plate close to the condenser, and the electric auxiliary heater is arranged at an air outlet of the heat dissipation axial flow fan;
at least one circulating fan is arranged on the vertical baffle;
a steam recovery device is arranged in the drying hot air backflow area;
and temperature and humidity sensors are arranged in the drying area and the drying hot air backflow area.
2. The heat pump drying room of claim 1, wherein: the drying area and the drying hot air backflow area are both provided with air speed sensors;
an electronic touch screen is arranged outside the drying room box body;
the temperature and humidity sensor, the wind speed sensor and the electronic touch screen are all connected with the PLC.
3. The heat pump drying room according to claim 1 or 2, wherein: the steam recovery device is connected with a water collector arranged outside the drying room box body through a guide pipe.
4. The heat pump drying room according to claim 1 or 2, wherein: the drying area is provided with a movable material rack.
5. The heat pump drying room according to claim 1 or 2, wherein: an inclined guide plate I is arranged at an air outlet of the heat dissipation axial flow fan;
the angle that guide plate I inclines is 30 to 90.
6. The heat pump drying room according to claim 1 or 2, wherein: an inclined guide plate II is arranged on the side wall of the drying room box body at a position corresponding to the position of the ventilation channel opening;
the inclination angle of the guide plate II is 10-15 degrees;
and the guide plate II is detachably arranged.
7. The heat pump drying room according to claim 1 or 2, wherein: and a moisture exhaust air door is arranged on the wall body of the drying room box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022539933.1U CN213514726U (en) | 2020-11-05 | 2020-11-05 | But heat pump baking house of steam recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022539933.1U CN213514726U (en) | 2020-11-05 | 2020-11-05 | But heat pump baking house of steam recovery |
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| Publication Number | Publication Date |
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| CN213514726U true CN213514726U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022539933.1U Active CN213514726U (en) | 2020-11-05 | 2020-11-05 | But heat pump baking house of steam recovery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420085A (en) * | 2022-09-14 | 2022-12-02 | 肖宏意 | Agricultural and sideline products circulation drying system |
-
2020
- 2020-11-05 CN CN202022539933.1U patent/CN213514726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420085A (en) * | 2022-09-14 | 2022-12-02 | 肖宏意 | Agricultural and sideline products circulation drying system |
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