CN217154747U - Multi-heat-source tobacco drying system - Google Patents
Multi-heat-source tobacco drying system Download PDFInfo
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- CN217154747U CN217154747U CN202123130890.2U CN202123130890U CN217154747U CN 217154747 U CN217154747 U CN 217154747U CN 202123130890 U CN202123130890 U CN 202123130890U CN 217154747 U CN217154747 U CN 217154747U
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Abstract
The utility model discloses a many heat sources tobacco drying system, including many heat sources heating device, hot water storage tank and stoving room. Many heat source heating device is including parallelly connected solar collector and the air source heat pump who sets up, hot water storage tank is equipped with one or more, and all pass through the pipe connection with many heat source heating device, utilize many heat source heating device to heat the energy storage water in the hot water storage tank, the stoving room is equipped with one or more and is equipped with heat dissipation coil pipe and fan in the stoving room, the heat dissipation coil pipe passes through the pipeline and is connected with hot water storage tank, release the heat through the energy storage water that introduces in the hot water storage tank, the fan is used for driving the air in the stoving room through the heat dissipation coil pipe, be equipped with the water pump of drive energy storage hydrologic cycle on the pipeline. Use the utility model discloses can make full use of solar energy dry the operation, utilize air source heat pump as supplementary heat source when solar energy is not enough, solve prior art and utilized solar energy to dry the operation as the heat source, receive the unable continuous technical problem of sunshine time influence.
Description
Technical Field
The utility model belongs to the technical field of the tobacco drying technique and specifically relates to a multiple heat source tobacco drying system.
Background
China is the world with the largest flue-cured tobacco yield, and at present, 120 thousands of intensive curing barn built in China are provided, wherein most of the intensive curing barn adopt coal-fired curing barns.
The coal-fired curing barn mostly adopts a bulk coal combustion hot air furnace, the annual coal consumption reaches about 350 ten thousand tons, the combustion process is unstable, the temperature rise is not uniform, the accurate control of the tobacco curing process is not facilitated, and the quality of the cured tobacco leaves is influenced. Meanwhile, the ineffective energy consumption of the coal-fired curing barn is too high, SO that fuel is wasted, and a large amount of pollutants such as SO2, NOx, solid particles and the like are discharged to cause environmental pollution.
With the development of modern tobacco agriculture, the improvement of tobacco drying technology and equipment is more and more emphasized in the tobacco production process. Tobacco leaves are dried in 7-9 months per year in China, and sufficient sunshine time exists in the daytime. Solar energy is used as renewable clean energy, and if the tobacco is dried by collecting heat energy by utilizing the solar energy, a large amount of energy can be saved.
However, the tobacco leaf drying is a continuous process, the utilization of solar energy is easily affected by day and night alternation, and the solar energy cannot be utilized to obtain heat energy at night.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a many heats source tobacco drying system can solve solar energy tobacco drying equipment and receive round clock influence in turn, the technical problem of unable continuous drying tobacco.
In order to achieve the above purpose, the present invention adopts the following technical solution.
A multi-heat-source tobacco drying system comprises a multi-heat-source heating device, a heat storage water tank and a drying room.
The multi-heat-source heating device comprises a solar heat collector and an air source heat pump which are arranged in parallel.
The heat storage water tanks are provided with a plurality of groups which are divided into different temperature ranges and used for storing the energy storage water in different temperature ranges, the heat storage water tanks are respectively connected with the multi-heat-source heating device through heat insulation pipelines, and the energy storage water in the heat storage water tanks is heated by the multi-heat-source heating device.
The stoving room is equipped with one or more, is equipped with heat dissipation coil pipe and fan in the stoving room, and heat dissipation coil pipe passes through heat preservation pipeline and every heat storage water tank connects for select to introduce energy storage water to stoving room release heat from the heat storage water tank that the energy storage temperature matches according to the required stoving temperature in stoving room, the fan is used for driving the air in the stoving room through heat dissipation coil pipe.
And a water pump for driving the energy storage water to circulate is arranged on the heat preservation pipeline.
The drying room is provided with heat dissipation water inlet branches which are consistent with the heat storage water tanks in quantity and used for introducing energy storage water from the heat storage water tanks, each heat dissipation water inlet branch is provided with a heat dissipation water inlet valve, the drying room is further provided with heat dissipation water return branches which are consistent with the heat storage water tanks in quantity and used for guiding the energy storage water back to the heat storage water tanks, and each heat dissipation water return branch is provided with a heat dissipation water return valve.
The multi-heat-source heating device is provided with heating water inlet branches, the number of the heating water inlet branches is the same as that of the heat storage water tanks, the heating water inlet branches are used for introducing energy storage water from the heat storage water tanks, each heating water inlet branch is provided with a heating water inlet valve, the number of the heating water inlet branches is the same as that of the heat storage water tanks, heating water return branches are used for introducing the energy storage water back to the heat storage water tanks, and each heating water return branch is provided with a heating water return valve.
The heat storage water tank comprises a high-temperature water tank, a medium-temperature water tank and a low-temperature water tank, and the heat storage water tank is provided with a water temperature sensor.
Further, the drying room comprises a heat dissipation water inlet end and a heat dissipation water return end, the heat dissipation water inlet branch is connected with the heat dissipation water inlet end, the heat dissipation water return branch is connected with the heat dissipation water return end, a water inlet and a water outlet of the heat dissipation coil pipe are respectively connected with the heat dissipation water inlet end and the heat dissipation water return end, and the heat dissipation water return end is further provided with a water temperature sensor.
Furthermore, the multi-heat-source heating device comprises a heating water inlet end and a heating water return end, the heating water inlet branch is connected with the heating water inlet end, the heating water return branch is connected with the heating water return end, water inlets and water outlets of the solar thermal collector and the air source heat pump are respectively connected with the heating water inlet end and the heating water return end, the solar thermal collector and the air source heat pump are respectively provided with a selector valve on each branch, and the heating water return end is also provided with a water temperature sensor.
Furthermore, water pumps are arranged on one sides of the water inlets of the solar heat collector, the air source heat pump and the heat dissipation coil pipe, and the water pumps are frequency conversion water pumps.
Furthermore, the water temperature sensors are in direct contact with the energy storage water and are used for monitoring the temperature of the energy storage water in each heat storage water tank, the heating return water end and the radiating return water end in real time.
Furthermore, the selector valve, the heating water inlet valve, the heating water return valve, the heat dissipation water inlet valve and the heat dissipation water return valve are all stop valves and are provided with executing mechanisms for realizing opening and closing operations.
Further, an air temperature sensor is arranged in the drying room.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the utility model adopts the form of combining the solar heat collector and the air source heat pump, fully utilizes the solar energy to obtain the heat so as to save energy, and uses the high-efficiency and energy-saving air source heat pump to obtain the heat when the solar energy is insufficient, thereby realizing the continuous drying of the tobacco;
2. the utility model realizes the storage of heat energy by using the heat storage water tank, the solar heat collector is fully utilized to store the energy in the energy storage water in the time of sufficient solar energy, the energy storage water is utilized to gradually release heat to dry the tobacco, and the effective time of the solar energy is prolonged by changing the phase;
3. the utility model divides the heat storage water tank into a high temperature water tank, a medium temperature water tank and a low temperature water tank according to different temperature ranges, combines the data of the water temperature sensor, controls the opening and closing of the heating water return valve and the heat dissipation water return valve, stores the stored energy water at different temperatures in a split manner, provides heat energy for the tobacco in different drying stages, and realizes the reasonable utilization of energy at different levels;
4. the utility model discloses a circulation of frequency conversion water pump drive energy storage water combines air temperature sensor's data, can accurate control energy storage water pass through the flow in the heat dissipation coil, improves the accurate control to drying temperature.
Drawings
Fig. 1 is an overall schematic view of a first embodiment of the present invention.
Fig. 2 is an overall schematic view of a second embodiment of the present invention.
Description of the drawings: 1. the multi-heat-source heating device comprises a multi-heat-source heating device, 11, a solar heat collector, 12, an air source heat pump, 13, a heating water inlet end, 131, a heating water inlet branch, 132, a heating water inlet valve, 14, a heating water return end, 141, a heating water return branch, 142, a heating water return valve, 15, a selector valve, 2, a heat storage water tank, 21, a high-temperature water tank, 22, a medium-temperature water tank, 23, a low-temperature water tank, 3, a drying room, 31, a radiating coil, 32, a fan, 33, a radiating water inlet end, 331, a radiating water inlet branch, 332, a radiating water return branch, 34, a radiating water return end, 341, a radiating water return branch, 342, a radiating water return valve, 343, a heat supplementing branch, 344, a heat supplementing valve, 4, a water pump, 5, a water temperature sensor, 6 and a temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will make further detailed description of the features and performance of a multiple heat source tobacco drying system of the present invention.
Example one
As shown in fig. 1, a multi-heat source tobacco drying system comprises a multi-heat source heating device 1, a heat storage water tank 2 and a drying room 3.
The hot-water storage tank 2 may be one or more and is divided into a high-temperature water tank 21, a medium-temperature water tank 22, and a low-temperature water tank 23 according to the temperature range of stored energy storage water. The high temperature water tank 21, the medium temperature water tank 22 and the low temperature water tank 23 may be one or more. The heat-insulating material is wrapped outside the heat storage water tank 2, so that heat of the energy storage water inside the heat storage water tank 2 is prevented from being dissipated to the environment.
Preferably, the hot-water storage tank 2 in the present embodiment includes a high-temperature water tank 21, a medium-temperature water tank 22, and a low-temperature water tank 23.
The multi-heat-source heating device 1 comprises a heating water inlet end 13 and a heating water return end 14 for connecting an inlet pipeline and an outlet pipeline, a solar heat collector 11 for heating stored water and an air source heat pump 12.
The solar heat collector 11 and the air source heat pump 12 are arranged in parallel, and respective water inlets and water outlets are respectively connected with a heating water inlet end 13 and a heating water return end 14. And the branch circuits of the solar heat collector 11 and the air source heat pump 12 are respectively provided with a selector valve 15 for controlling the on-off of the branch circuits. By controlling the opening and closing of the selector valve 15, the stored water to be heated can be selectively heated by passing the stored water through one or both of the solar heat collector 11 and the air source heat pump 12.
The heating water inlet end 13 is connected with three heating water inlet branches 131, and the three heating water inlet branches 131 are respectively connected with the high-temperature water tank 21, the medium-temperature water tank 22 and the low-temperature water tank 23 and are used for leading the energy storage water from the heat storage water tank 2 to the multi-heat-source heating device 1 for heating. Each heating water inlet branch 131 is provided with a heating water inlet valve 132, and the energy storage water in one or some of the heat storage water tanks 2 can be selectively heated by controlling the opening and closing of the heating water inlet valves 132 on different heating water inlet branches 131.
The heating return end 14 is connected with three heating return branches 141, and the three heating return branches 141 are respectively connected with the high-temperature water tank 21, the medium-temperature water tank 22 and the low-temperature water tank 23, so that the energy storage water heated by the multi-heat-source heating device 1 is led back to the heat storage water tank 2. Each heating water return branch 141 is provided with a heating water return valve 142, and the heated energy storage water can be selectively led back to one or some heat storage water tanks 2 by controlling the opening and closing of the heating water return valves 142 on different heating water return branches 141.
The heating water inlet branch 131, the multi-heat-source heating device 1 and the heating water return branch 141 form a heating cycle of the hot water storage tank 2.
The drying room 3 comprises a heat radiation water inlet end 33 and a heat radiation water return end 34 which are used for connecting an inlet pipeline and an outlet pipeline, a heat radiation coil 31 which utilizes energy storage water to supply heat, and a fan 32 which is used for driving air in the drying room 3 to pass through the heat radiation coil 31. The water inlet and outlet of the heat dissipation coil 32 are connected to the heat dissipation water inlet end 33 and the heat dissipation water return end 34, respectively.
The heat radiation water inlet end 33 is connected with three heat radiation water inlet branches 331, the three heat radiation water inlet branches 331 are respectively connected with the high temperature water tank 21, the medium temperature water tank 22 and the low temperature water tank 23, and the energy storage water is led to the heat radiation coil 31 from the heat storage water tank 2 for heat radiation. Each heat dissipation water inlet branch 331 is provided with a heat dissipation water inlet valve 332, and energy storage water can be selectively led out from one or more heat storage water tanks 2 to the heat dissipation coil 31 by controlling the opening and closing of the heat dissipation water inlet valves 332 on different heat dissipation water inlet branches 331. Under the action of the fan 32, air in the drying chamber 3 circulates through the heat dissipation coil 31, and the air is heated by the energy storage water passing through the heat dissipation coil 31, so that the tobacco is dried.
The heat dissipation return end 34 is connected with three heat dissipation return branches 341, the three heat dissipation return branches 341 are respectively connected with the high temperature water tank 21, the medium temperature water tank 22 and the low temperature water tank 23, and the energy storage water after the heat is released by the heat dissipation coil 31 is led back to the heat storage water tank 2. Each heat dissipation water return branch 341 is provided with a heat dissipation water return valve 342, and the heat dissipation water return valves 342 on the different heat dissipation water return branches 341 are controlled to be opened and closed, so that the heat dissipation energy storage water can be selectively led back to one or more heat storage water tanks 2.
The heat-dissipation water inlet branch 331, the drying room 3, and the heat-dissipation water return branch 341 constitute a heat-dissipation cycle of the heat storage water tank 2.
The water pumps 4 are arranged on the water inlet sides of the respective branches of the solar thermal collector 11 and the air source heat pump 12 and used for driving the energy storage water to enter the multi-heat-source heating device 1 from the heating water inlet end 13, flow through the solar thermal collector 11 and the air source heat pump 12 and then flow out from the heating water return end 14.
A water pump 4 is also arranged on one side of the water inlet of the heat radiation coil 31 and used for driving the energy storage water to enter the drying room 3 from the heat radiation water inlet end 33, and the energy storage water flows out from the heat radiation water return end 34 after flowing through the heat radiation coil 31.
All water pumps 4 are frequency conversion water pumps, and the flow can be accurately adjusted, so that the temperature in the drying room 3 can be accurately controlled.
All be equipped with temperature sensor 5 on every hot water storage tank 2, heating return water end 14 and heat dissipation return water end 34, temperature sensor 5 can monitor every hot water storage tank 2, still is equipped with temperature sensor 6 in stoving room 3, and temperature sensor 6 can monitor the temperature in the stoving room 3.
Actuators for remote operation are provided on the selector valve 15, the heating water inlet valve 132, the heating water return valve 142, the heat radiation water inlet valve 332, and the heat radiation water return valve 342.
In the specific application process, according to the tobacco drying control process, the temperatures required by the tobacco in different drying stages are different, and the high-temperature water tank 21, the medium-temperature water tank 22 and the low-temperature water tank 23 with different temperature ranges are arranged to separately store the energy storage water with different temperature ranges. The hot water in the low-temperature water tank 13 is adopted when the tobacco is in the initial drying stage, the hot water in the medium-temperature water tank 12 is adopted when the tobacco is in the middle drying stage, and the hot water in the high-temperature water tank 11 is adopted when the tobacco is in the final drying stage, so that the mutual mixing of the energy storage water in different temperature ranges is avoided, the thermodynamic principle of high energy and high use and low energy and low use is embodied, and the overall heat energy utilization efficiency of the system is improved.
The multi-heat-source heating device 1 mainly comprises a solar heat collector 11 and an air source heat pump 12 as a supplementary heat source. When the solar energy is sufficient, the water pump 4 and the selection valve 15 on the branch where the solar heat collector 11 is located are opened, the air source heat pump 12 and the water pump 4 and the selection valve 15 on the branch are closed, and the solar heat collector 11 is used for heating the energy storage water. When the solar energy is insufficient, the water pumps 4 and the selector valves 15 on the branches of the solar thermal collector 11 and the air source heat pump 12 are opened simultaneously, and the air source heat pump 12 is used for assisting the solar thermal collector 11 to heat the energy storage water. When solar energy is not available, the air source heat pump 12 and the water pump 4 and the selector valve 15 on the branch are opened, the water pump 4 and the selector valve 15 on the branch where the solar heat collector 11 is located are closed, and the energy storage water is heated only by the air source heat pump 12.
The temperature of the stored water in each of the hot water storage tanks 2, which is displayed by the water temperature sensors 5 provided in the hot water storage tanks 2, is combined to determine the hot water storage tank 2 that needs to be heated. And opening a heating water inlet valve 132 connected with a heating water inlet branch 131 of the hot water storage tank 2 to be heated, starting the multi-heat-source heating device 1, and driving the water pump 4 in the multi-heat-source heating device 1 to heat the stored water in the hot water storage tank 2 in the multi-heat-source heating device 1.
The heated energy storage water is introduced into the heat storage water tank 2 with the temperature matched with the temperature of the heated energy storage water displayed by the water temperature sensor 5 arranged at the heating backwater end 14. The position of the heated energy storage water returning can be controlled by opening the heating water returning valve 142 on the heating water returning branch 141 connected with the target water tank. One heating cycle is completed.
And determining that hot water is led out from the heat storage water tank 2 with proper temperature of the stored water to the heat dissipation coil 31 to provide drying heat by combining the temperature required by the tobacco drying stage in the drying room 3. When the heat radiation water inlet valve 332 connected to the heat radiation water inlet branch 331 of the heat storage water tank 2 with the appropriate temperature of the stored water is opened, the stored water in the heat storage water tank 2 enters the heat radiation coil 31 under the driving of the water pump 4 in the drying room 3. The fan 32 drives the air in the drying room 3 to circulate through the heat dissipation coil 31 to transfer the heat of the energy storage water to the air, so as to dry the tobacco.
The heat-dissipated energy-storage water is introduced into the heat storage water tank 2 with the temperature matched with the temperature by combining the temperature of the energy-storage water passing through the heat dissipation coil 31 and displayed by the water temperature sensor 5 arranged on the heat dissipation backwater end 34. The position of the returned energy storage water after heat dissipation can be controlled by opening the heat dissipation water return valve 342 on the heat dissipation water return branch 341 connected to the target water tank. One heat dissipation cycle is completed.
Example two
Different from the first embodiment, in the embodiment, a temperature supplementing branch 343 connected to the heating water inlet end 13 of the multi-heat-source heating device 1 is further disposed at the heat dissipation water return end 34 of the drying room 3, and a heat supplementing valve 344 is disposed on the heat supplementing branch 343. The energy storage water after heat dissipation can directly enter the multi-heat-source heating device 1 for heating without returning to the heat storage water tank 2 according to actual conditions.
EXAMPLE III
Different from the second embodiment, the second embodiment is provided with three drying rooms 3, the connection mode of each drying room 3, the heat storage water tank 2 and the multi-heat-source heating device 1 is the same as that of the second embodiment, tobacco energy-saving drying in different drying stages is achieved respectively, energy storage water in the heat storage water tanks 2 in different temperature ranges is fully utilized, and the overall heat energy utilization rate of the system is further improved.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a many heat sources tobacco drying system, includes many heat source heating device (1), hot water storage tank (2) and stoving room (3), its characterized in that:
the multi-heat-source heating device (1) comprises a solar heat collector (11) and an air source heat pump (12) which are arranged in parallel;
the heat storage water tanks (2) are provided with a plurality of groups which are divided into different temperature ranges and used for storing energy storage water in different temperature ranges, the heat storage water tanks (2) are respectively connected with the multi-heat-source heating device (1) through heat insulation pipelines, and the energy storage water in the heat storage water tanks (2) is heated by the multi-heat-source heating device (1);
the drying room (3) is provided with one or more than one, a heat dissipation coil (31) and a fan (32) are arranged in the drying room (3), the heat dissipation coil (31) is connected with each heat storage water tank (2) through a heat insulation pipeline and used for introducing energy storage water from the heat storage water tanks (2) matched with the energy storage water temperature to release heat to the drying room (3) according to the drying temperature required by the drying room (3), and the fan (32) is used for driving air in the drying room (3) to pass through the heat dissipation coil (31);
and a water pump (4) for driving the energy storage water to circulate is arranged on the heat preservation pipeline.
2. The multi-heat-source tobacco drying system of claim 1, wherein: the drying room (3) is provided with heat dissipation water inlet branches (331) which are consistent with the heat storage water tanks (2) in number and used for introducing energy storage water from the heat storage water tanks (2), each heat dissipation water inlet branch (331) is provided with a heat dissipation water inlet valve (332), the drying room (3) is further provided with heat dissipation water return branches (341) which are consistent with the heat storage water tanks (2) in number and used for introducing the energy storage water back to the heat storage water tanks (2), and each heat dissipation water return branch (341) is provided with a heat dissipation water return valve (342).
3. A multiple heat source tobacco drying system as defined in claim 2 wherein: the multi-heat-source heating device (1) is provided with heating water inlet branches (131) which are consistent with the number of the heat storage water tanks (2) and used for introducing energy storage water from the heat storage water tanks (2), each heating water inlet branch (131) is provided with a heating water inlet valve (132), the multi-heat-source heating device (1) is further provided with heating water return branches (141) which are consistent with the number of the heat storage water tanks (2) and used for introducing the energy storage water back to the heat storage water tanks (2), and each heating water return branch (141) is provided with a heating water return valve (142).
4. A multiple heat source tobacco drying system as defined in claim 3 wherein: the heat storage water tank (2) comprises a high-temperature water tank (21), a medium-temperature water tank (22) and a low-temperature water tank (23), and the heat storage water tank (2) is provided with a water temperature sensor (5).
5. The multi-heat-source tobacco drying system of claim 4, wherein: stoving room (3) are including the heat dissipation intake end (33) and heat dissipation return water end (34), branch road (331) of intaking of dispelling the heat is connected with heat dissipation intake end (33), heat dissipation return water branch road (341) is connected with heat dissipation return water end (34), the water inlet and the delivery port of heat dissipation coil pipe (31) are intake respectively with the heat dissipation and are held (33) and heat dissipation return water end (34) are connected, and heat dissipation return water end (34) still are equipped with temperature sensor (5).
6. The multi-heat-source tobacco drying system of claim 5, wherein: the multi-heat-source heating device (1) comprises a heating water inlet end (13) and a heating water return end (14), a heating water inlet branch (131) is connected with the heating water inlet end (13), a heating water return branch (141) is connected with the heating water return end (14), a water inlet and a water outlet of a solar heat collector (11) and a water outlet of an air source heat pump (12) are respectively connected with the heating water inlet end (13) and the heating water return end (14), the solar heat collector (11) and the air source heat pump (12) are respectively provided with a selector valve (15) on each branch, and the heating water return end (14) is further provided with a water temperature sensor (5).
7. The multi-heat-source tobacco drying system of claim 6, wherein: and water pumps (4) are arranged on one sides of water inlets of the solar heat collector (11), the air source heat pump (12) and the heat dissipation coil (31), and the water pumps (4) are frequency conversion water pumps.
8. The multi-heat-source tobacco drying system of claim 6, wherein: the water temperature sensors (5) are in direct contact with the energy storage water and are used for monitoring the temperature of the energy storage water in each heat storage water tank (2), the heating return water end (14) and the heat dissipation return water end (34) in real time.
9. The multi-heat-source tobacco drying system of claim 6, wherein: the selector valve (15), the heating water inlet valve (132), the heating water return valve (142), the heat dissipation water inlet valve (332) and the heat dissipation water return valve (342) are all stop valves and are provided with executing mechanisms for realizing opening and closing operations.
10. The multi-heat-source tobacco drying system of claim 6, wherein: and an air temperature sensor (6) is arranged in the drying room (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202123130890.2U CN217154747U (en) | 2021-12-14 | 2021-12-14 | Multi-heat-source tobacco drying system |
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| CN202123130890.2U CN217154747U (en) | 2021-12-14 | 2021-12-14 | Multi-heat-source tobacco drying system |
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