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CN-121753960-B - Double-temperature heat pump system for tobacco baking

CN121753960BCN 121753960 BCN121753960 BCN 121753960BCN-121753960-B

Abstract

The invention relates to the technical field of heat pump systems, and discloses a double-temperature heat pump system for tobacco baking, which structurally comprises a tobacco baking cabin, an intelligent control module, a double-temperature heat pump device, a heat recovery device and a flow guiding device, wherein the double-temperature heat pump device is additionally arranged in tobacco baking, and two groups of condensers capable of providing different temperatures are arranged to provide different temperature requirements required by different baking stages during tobacco baking, the tobacco baking device has the advantages that the baking effect and efficiency of tobacco baking are improved, the electronic expansion valve and the capillary tube are arranged on the throttling device and are respectively connected with the first condenser and the second condenser, the opening degree of the electronic expansion valve and the capillary tube can be regulated and controlled according to the current baking stage and temperature and humidity detection signals of tobacco, the accurate control of the flow of the refrigerant can be realized, the output heat is regulated and controlled, the stability of temperature and humidity is ensured, and the baking effect of tobacco is improved.

Inventors

  • ZHENG FANGBIAO
  • ZHENG XIANGXIANG
  • CHEN XUEYI
  • Lin Minggeng
  • ZHANG ZHIMING
  • ZHENG YINGJIE
  • WU TI

Assignees

  • 龙岩市三佳冶金炉料有限公司

Dates

Publication Date
20260505
Application Date
20260304

Claims (8)

  1. 1. The utility model provides a tobacco toasts and uses double temperature heat pump system, its structure includes tobacco toasts cabin (1), locates rack (2) inside tobacco toasts cabin (1), install in intelligent control module (3) on tobacco toasts cabin (1) outer wall, be located tobacco toasts cabin (1) external connection's double temperature heat pump device (4) and heat recovery unit (5), all electric connection between intelligent control module (3) and tobacco toasts cabin (1), double temperature heat pump device (4) and heat recovery unit (5), its characterized in that: The double-temperature heat pump device (4) comprises a compressor (41), a four-way reversing valve (42) arranged on an exhaust port at the bottom of the compressor (41), and a first condenser (43) and a second condenser (44) which are positioned on left and right connecting ports of the four-way reversing valve (42), wherein the outlets of the first condenser (43) and the second condenser (44) are connected with a throttling device (45), the outlet at the bottom of the throttling device (45) is connected with the inlet of an evaporator (46), the outlet of the evaporator (46) is connected with the last connecting port of the four-way reversing valve (42), and the back of the four-way reversing valve (42) is communicated with an air suction port of the compressor (41) through a first pipeline (48); The throttling device (45) comprises an electronic expansion valve (451) and a capillary tube (452), a connecting port of the electronic expansion valve (451) is connected with the first condenser (43), a connecting port of the capillary tube (452) is connected with the second condenser (44), and the electronic expansion valve (451) and the capillary tube (452) can be controlled by the intelligent control module (3); The tobacco baking cabin (1) comprises a circulating fan (11), flow guiding devices (12) positioned on two side walls of the interior of the tobacco baking cabin (1) and a moisture discharging pipeline (13) arranged on the tobacco baking cabin (1), wherein the moisture discharging pipeline (13) is connected with a moisture discharging inlet pipe (52); The guide device (12) comprises a mounting frame (21), a motor (22) arranged on the mounting frame (21), a first swinging rod (23) arranged on the output end of the motor (22), a triangular plate (24) used for being in running fit with the first swinging rod (23), a connecting rod (25) arranged at one end of the triangular plate (24), a rectangular plate (26) arranged at the other end of the connecting rod (25), a second swinging rod (27) arranged on the rectangular plate (26) and the triangular plate (24), two second swinging rods (27) arranged on the mounting frame (21) through bearing blocks (28), a reciprocating plate (29) is further arranged on the rectangular plate (26) and the triangular plate (24), and a plurality of guide plates (30) are arranged on the reciprocating plate (29) in an array mode.
  2. 2. The dual-temperature heat pump system for tobacco baking as claimed in claim 1, wherein the first condenser (43) and the second condenser (44) are respectively provided with a heat exchange pipeline (47), and the two heat exchange pipelines (47) are respectively communicated with the tobacco baking cabin (1).
  3. 3. A dual temperature heat pump system for tobacco curing as claimed in claim 1, wherein the first condenser (43) is configured to provide a low temperature Duan Reliang in the range of 38-42 ℃.
  4. 4. A dual temperature heat pump system for tobacco curing as set forth in claim 1, wherein said second condenser (44) is configured to provide heat in the high temperature range of 60-68 ℃.
  5. 5. The dual temperature heat pump system for tobacco baking as claimed in claim 1, wherein the heat recovery device (5) comprises a plate heat exchanger (51), and a moisture discharging inlet pipe (52), a moisture discharging outlet pipe (53), an air inlet pipe (54) and an air outlet pipe (55) which are arranged on the plate heat exchanger (51).
  6. 6. The dual-temperature heat pump system for tobacco baking as claimed in claim 1, wherein the humidity adjusting valve is arranged in the humidity discharging pipeline (13) and is electrically connected with the intelligent control module (3).
  7. 7. The dual-temperature heat pump system for tobacco baking as claimed in claim 1, wherein a temperature sensor and a humidity sensor are further installed in the tobacco baking cabin (1), and the temperature sensor and the humidity sensor are electrically connected with the intelligent control module (3).
  8. 8. The dual-temperature heat pump system for tobacco baking as claimed in claim 1, wherein a universal ball (301) is installed at the bottom of the guide plate (30), the universal ball (301) is arranged inside the reciprocating plate (29) and is in rotary fit, springs (302) are installed on two sides of the guide plate (30), and the other ends of the two springs (302) are connected with the reciprocating plate (29).

Description

Double-temperature heat pump system for tobacco baking Technical Field The invention belongs to the field of heat pump systems, and particularly relates to a double-temperature heat pump system for tobacco baking. Background Tobacco is perennial herbaceous plant which can be used for processing and utilization, the core utilization part is the leaf of the perennial herbaceous plant, the leaf is the basic raw material of the tobacco industry, and the fresh tobacco leaves after harvesting can be converted from agricultural products to industrial raw materials after baking; the quality of tobacco baking can directly influence the appearance quality of tobacco leaves, in the processing process of the tobacco, the accurate control of temperature and humidity is a core factor for determining the baking quality, the tobacco baking needs to pass through key stages such as a yellowing stage, a drying stage and the like, and the requirements of the tobacco on temperature and humidity are different in different stages; when the traditional tobacco is processed, only heat in a single temperature range can be provided for the tobacco, and the temperature and humidity requirements of the tobacco in different baking stages cannot be adapted, so that the baking efficiency of the tobacco is poor; the application provides a double-temperature heat pump system for tobacco baking, which improves the defects. Disclosure of Invention The invention aims to solve the technical problem of overcoming the defects of the prior art and providing the dual-temperature heat pump system for baking tobacco, which has the function of providing different temperatures in the baking processing process of tobacco. In order to solve the technical problems, the invention adopts the following technical scheme: The utility model provides a tobacco toasts and uses two temperature heat pump system, its structure includes tobacco baking chamber, rack, intelligent control module, two temperature heat pump device and heat recovery unit, the internally mounted in tobacco baking chamber has the rack, install intelligent control module on the outer wall in tobacco baking chamber, the external connection in tobacco baking chamber has two temperature heat pump device and heat recovery unit, all electric connection between intelligent control module and tobacco baking chamber, two temperature heat pump device and the heat recovery unit. In a specific implementation manner, the dual-temperature heat pump device comprises a compressor, a four-way reversing valve, a first condenser, a second condenser, a throttling device, an evaporator, a heat exchange pipeline and a first pipeline, wherein the four-way reversing valve is arranged on an exhaust port at the bottom of the compressor, the left connecting port and the right connecting port of the four-way reversing valve are respectively connected with inlets of the first condenser and the second condenser, outlets of the first condenser and the second condenser are connected with the throttling device, an outlet at the bottom of the throttling device is connected with an inlet of the evaporator, an outlet of the evaporator is connected with a last connecting port of the four-way reversing valve, and the back of the four-way reversing valve is communicated with an air suction port of the compressor through the first pipeline, so that a complete heat pump circulation loop can be formed; The first condenser and the second condenser are respectively provided with a heat exchange pipeline, the two heat exchange pipelines are communicated with the tobacco baking cabin, and heat released by the refrigerants in the first condenser and the second condenser can be transferred to air flow in the heat exchange pipelines and then conveyed into the baking cabin. In a specific embodiment, the four-way reversing valve is coupled to the first condenser and the second condenser. In a specific embodiment, the first condenser is configured to provide a low temperature Duan Reliang in the range of 38-42 ℃ to be able to adapt to the baking temperature requirements of the tobacco yellowing stage; The second condenser is used for providing heat in a high-temperature section within the range of 60-68 ℃, so that the baking temperature requirement of the tobacco in a dry rib period can be adapted, and the switching between a low-temperature section and a high-temperature section is realized through the switching of the valve core of the four-way reversing valve. In a specific implementation manner, the throttling device comprises an electronic expansion valve and a capillary tube, wherein a connecting port of the electronic expansion valve is connected with the first condenser, a connecting port of the capillary tube is connected with the second condenser, and the electronic expansion valve and the capillary tube can be controlled by an intelligent control module. In a specific implementation manner, the heat recovery device comprises a plat