CN213188047U - Clean tobacco flue-curing house system - Google Patents
Clean tobacco flue-curing house system Download PDFInfo
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- CN213188047U CN213188047U CN202021602340.9U CN202021602340U CN213188047U CN 213188047 U CN213188047 U CN 213188047U CN 202021602340 U CN202021602340 U CN 202021602340U CN 213188047 U CN213188047 U CN 213188047U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a clean tobacco flue-curing house system, which comprises a tobacco flue-curing house with an air inlet channel and an air return channel, an electric power heating system, a gas heating system, a circulating hot air system and a PLC control system, wherein the electric power heating system comprises a photovoltaic generator, an energy accumulator and an electric heater; the gas heating system comprises a combustor and a gas supplier for supplying gas to the combustor; the circulating hot air system comprises a heat supply cavity, a circulating fan and a heat exchanger, wherein the circulating fan is arranged in the heat supply cavity, the heat exchanger is arranged below the circulating fan, and the heat supply cavity is respectively communicated with an air inlet channel and an air return channel; the PLC control system is used for controlling the electric heating system and the gas heating system to heat air in the heating cavity, and controlling the gas heating system to be opened to supply heat to the tobacco flue-curing house when the electric heating system is insufficient in heat supply. The utility model discloses can realize that renewable energy and gas energy's heat supply is complementary, clean environmental protection, and the running cost is lower relatively.
Description
Technical Field
The utility model relates to a clean type tobacco flue-curing house system.
Background
At present, the domestic dense tobacco curing barn mainly uses burning coal for heat supply, and has the problems of high energy consumption, low heat efficiency, poor environmental protection benefit and the like. In order to solve the problems of using fire coal for flue-cured tobacco, clean energy is used for replacing coal for flue-cured tobacco in part of places, and the process for flue-cured tobacco by clean energy mainly comprises four types of biomass fuel technology, heat pump technology, alcohol-based fuel technology and natural gas fuel technology. The main advantages of biomass fuel baking are fast temperature rise, easy temperature stabilization, and still have the problems of biomass fuel supply insufficiency and environmental pollution. The heat pump technology flue-cured tobacco has the advantages of low operation cost, high automation degree, energy conservation and environmental protection, but the higher cost of the heat pump equipment becomes the development bottleneck of the heat pump equipment. The alcohol-based fuel, namely the flue-cured tobacco, must adopt methanol with the purity of more than 99.99 percent, and the high fuel cost can not be borne by tobacco growers. The natural gas flue-cured tobacco is clean and environment-friendly, has high controllability and high energy utilization rate, but has the problems of high operating cost and the like.
SUMMERY OF THE UTILITY MODEL
The utility model discloses low and be unfavorable for energy-conserving problem to current tobacco flue-curing house degree of automation, provide clean type tobacco flue-curing house system.
The utility model discloses technical scheme as to above-mentioned technical problem and propose as follows:
the utility model provides a clean type tobacco flue-curing house system, including the tobacco flue-curing house that has inlet air duct and return air passageway, still include:
the electric heating system comprises a photovoltaic generator, an energy storage device and an electric heater, wherein the energy storage device is used for storing electric energy generated by the photovoltaic generator and providing electric energy for the electric heater, and the electric heater heats air by utilizing the electric energy output by the photovoltaic generator and/or the energy storage device;
the gas heating system comprises a combustor and a gas supplier for supplying gas to the combustor;
the circulating hot air system comprises a heat supply cavity arranged on one side of the tobacco flue-curing house, a circulating fan arranged in the heat supply cavity and a heat exchanger arranged below the circulating fan, the heat supply cavity is communicated with the air inlet channel and the air return channel respectively, the circulating fan is used for conveying air to the air inlet channel, the electric heater and the heat exchanger are arranged on one side of the air inlet end of the circulating fan, and the heat exchanger is used for receiving heat energy generated by gas combusted by the combustor so as to heat the air;
and the PLC control system is used for controlling the electric power heating system and the gas heating system to heat the air in the heating cavity, and controlling the gas heating system to be opened to heat the tobacco curing barn when the electric power heating system is insufficient in heat supply.
According to the clean tobacco flue-curing house system, the air inlet channel and the air return channel are both arranged on the same wall of the tobacco flue-curing house, the air inlet channel is arranged on the high-position wall of the tobacco flue-curing house, and the air return channel is arranged on the low-position wall of the tobacco flue-curing house;
the circulating fan, the electric heater and the heat exchanger are sequentially arranged in the height direction of the heat supply chamber.
According to the clean tobacco flue-curing house system, the gas heating system further comprises a gas flow control valve for controlling the combustion speed of the gas and an air blower for blowing air to enable the gas to be fully combusted, and the gas flow control valve is electrically connected with the PLC control system.
According to the clean tobacco flue-curing house system, the tobacco flue-curing house is also internally provided with a temperature sensor electrically connected with the PLC control system, and the PLC control system is also used for controlling the circulating fan, the electric heater and the burner according to a sensing signal output by the temperature sensor.
According to the clean tobacco flue-curing house system, the temperature sensor comprises a dry bulb temperature sensor and a wet bulb temperature sensor, and the dry bulb temperature sensor and the wet bulb temperature sensor are both arranged at the same height in the tobacco flue-curing house.
According to the clean tobacco flue-curing house system, the circulating fan is an axial flow fan, and the axial flow fan is electrically connected with the PLC control system.
According to the clean tobacco flue-curing house system, the outlet of the return air channel is provided with a moisture discharging port.
According to the clean tobacco flue-curing house system, an air door located at a low position is further arranged in the heat supply cavity, and a controller of the air door is electrically connected with the PLC control system.
According to the clean tobacco flue-curing house system, the PLC control system is used for starting the gas heating system to heat the air in the heating cavity when the electric heating system is insufficient in function.
According to the clean tobacco flue-curing house system, the burner is a diffusion heat exchanger, and the heat exchanger is a flue gas-air heat exchanger.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the utility model discloses in, utilize photovoltaic genertrix and gas burner to supply heat, can realize the heating mode of many units relatively, and only be in when electric power heating system heat supply is not enough, just control gas heating system opens right the tobacco flue-curing house supplies heat, realizes that the heat supply of the solar energy of regeneration and the gas energy is complementary to can be favorable to guaranteeing the safe realization of flue-cured tobacco technology, clean environmental protection, and the running cost is lower relatively.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a clean tobacco flue-curing house system provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, for the utility model provides a structural schematic diagram of clean type tobacco flue-curing house system, clean type tobacco flue-curing house system includes electric power heating system, gas heating system, circulating hot air system, PLC control system and is used for toasting the tobacco flue-curing house 14 of tobacco leaf, wherein:
the electric heating system comprises a photovoltaic generator 1 for converting solar energy into electric energy, an energy storage device 2 for storing the electric energy generated by the photovoltaic generator 1, and an electric heater 8 for heating air, wherein the photovoltaic generator 1 can be respectively electrically connected with the energy storage device 2 and the heater 8 to provide the electric heater 8 with the electric energy, and the electric heater 8 can also be electrically connected with the energy storage device 2 to provide the electric energy for the energy storage device 2.
The gas heating system comprises a burner 5 and a gas supplier for supplying gas to the burner 5, wherein the gas supplier can be a distributed gas pipeline or a distributed gas tank. Here, the fuel gas may be relatively clean natural gas.
The circulating hot air system comprises a heat supply cavity arranged on one side of the tobacco curing house 14, the heat supply cavity is communicated with an air inlet channel 11 and an air return channel of the tobacco curing house 14 respectively, a circulating fan 9 and a heat exchanger 7 arranged below the circulating fan 9 are arranged in the heat supply cavity, and an electric heater 8 is also arranged in the heat supply cavity. The circulating fan 9 is used for conveying air to the air inlet channel 11, and the electric heater 8 and the heat exchanger 7 are both arranged on one side of an air inlet end of the circulating fan 9; the heat exchanger 7 is used for receiving heat energy generated by the burner burning gas to heat air. Here, the circulation fan 9, the electric heater 8, and the heat exchanger 7 are disposed in this order in the height direction in the heat supply chamber.
Here, the circulation fan 9 may beAnd the axial flow fan is electrically connected with the PLC control system 10, so that the PLC control system 10 can control the air volume entering the tobacco flue-curing house 14. Specifically, the circulating fan 9 can adopt the air quantity of 15000m3H and the motor power is 1.5/2.2 kW. The combustor is a diffusion type heat exchanger, and the heat exchanger is a flue gas-air heat exchanger, so that heat generated by the combustor combusting natural gas and flue gas can exchange heat in the flue gas-air heat exchanger, and the heat exchanger body after heat exchange can directly heat air.
The PLC control system 10 is configured to control the electric power heating system and the gas heating system to heat air in the heating chamber, that is, the PLC control system is electrically connected to the electric power heating system and the gas heating system to complete corresponding heating control: when the electric power heat supply system supplies heat insufficiently, the gas heat supply system is controlled to be started to supply heat to the tobacco flue-curing house 14, and therefore the tobacco leaves in the tobacco flue-curing house are controlled to be dried.
The utility model discloses utilize photovoltaic genertrix and gas burner to supply heat, can realize the heating method of many units relatively, and only be in when the heat supply of electric power heating system is not enough, just control gas heating system opens right the tobacco flue-curing house supplies heat, realizes that the heat supply of the solar energy of regeneration and the gas energy is complementary to can be favorable to guaranteeing the safe realization of flue-cured tobacco technology, clean environmental protection, and the running cost is lower relatively.
The utility model discloses in, tobacco flue-curing house 14 can set up to length (be length direction from the horizontal direction in fig. 1), height (the vertical direction is direction of height in fig. 1) and be 8000mm, 3500mm respectively, and the width then can set up to 2700mm or 2800 mm. The height of the heating chamber is the same as the height of the tobacco flue-curing house 14, and the length is 1400 mm. The installed capacity of the photovoltaic generator 1 can be 5MW, the installed capacity of the energy accumulator 2 can be 1.5MW, and the power of the electric heater 8 is 100 kW.
The utility model discloses in, inlet air channel 11 with the return air passageway is all seted up on stating the same wall in tobacco flue-curing house, inlet air channel set up in on the wall of tobacco flue-curing house eminence the return air passageway is seted up in on the wall of tobacco flue-curing house low. In the heat supply chamber, air heated by the heat exchanger 7 or air heated by the electric heater 8 is blown by the circulating fan 9 and enters the tobacco curing barn 14 through the air inlet channel 11, so as to cure tobacco leaves. In the tobacco flue-curing house 14, the hot air sinks after heat exchange to form cold air or sinks under the action of fluid, and then the air can be output into the heat supply chamber through the return air channel to form circulation. Here, return air channel still can set up a hydrofuge mouth 15 to carry out the hydrofuge moisture removal to the air that flows through and handle, in order to do benefit to reduce the circulation extremely air humidity in the heat supply cavity, and then help promoting drying efficiency.
The gas heating system further comprises a gas flow control valve 3 for controlling the combustion speed of the gas and an air blower 4 for blowing air to enable the gas to be fully combusted, wherein the gas flow control valve 3 is electrically connected with the PLC control system 10, so that the PLC control system 10 can directly control the gas flow control valve 3 to act so as to control the heat production effect of the combustor 5.
A temperature sensor electrically connected with the PLC control system 10 is further arranged in the tobacco flue-curing house 14, and the PLC control system 10 is further used for controlling the circulating fan 9, the electric heater 8 and the burner 5 according to a sensing signal output by the temperature sensor. Here, the temperature sensors include a dry bulb temperature sensor 12 and a wet bulb temperature sensor 13, and the dry bulb temperature sensor 12 and the wet bulb temperature sensor 13 are both disposed at the same height within the tobacco flue-curing house. Here, both the dry bulb temperature sensor 12 and the wet bulb temperature sensor 13 may employ DS18B20 digital sensors.
The utility model discloses in still be equipped with the air door 6 that is located the low department in the heat supply cavity, the controller of air door with PLC control system 10 electricity is connected, therefore, PLC control system 10 can be right the air input of heat supply cavity is controlled.
To sum up, the utility model discloses a clean type tobacco flue-curing house system is when the operation, PLC control system control electric power heating system operation heats the air in the heat supply cavity with its electric heater, and the air after the heating can by circulating fan of PLC control system control blows extremely through inlet air channel in the tobacco flue-curing house, and the air in the tobacco flue-curing house can flow extremely through return air channel form the circulation of air circulation in the heat supply cavity. And the PLC control system controls the tobacco leaf drying effect in the tobacco curing barn in real time according to the sensing signals of the dry bulb temperature sensor and the wet bulb temperature sensor which are arranged in the tobacco curing barn.
When the PLC control system judges that the electric heat supply system is enough to provide the drying temperature according to the temperature in the tobacco curing barn, the electric heat supply system is only utilized to supply heat, otherwise, the gas heat supply system is started to supply heat, and therefore the combined heat supply of the tobacco curing barn is achieved. When the dry bulb temperature and the wet bulb temperature are low, the power of an electric power heating system or the gas quantity of a gas heating system is increased through the PLC control system to improve the dry bulb temperature, and the air output of a circulating fan is increased to improve the wet bulb temperature. Otherwise, the power of the electric heating system or the gas quantity of the gas heating system is reduced, and the air supply quantity of the circulating fan is reduced, so that the dry bulb temperature and the wet bulb temperature in the tobacco curing room are reduced.
It can be understood that the yield and quality of flue-cured tobacco have a great relationship with the illumination intensity, the growth of flue-cured tobacco usually requires sufficient sunlight, the sunshine duration of the high-quality flue-cured tobacco in the cultivation period is 500-700 hours, the sunshine duration of the harvest period is 280-300 hours, and otherwise the quality of tobacco leaves is poor. Based on this, the utility model provides a solar photovoltaic and natural gas combined heating technology. Under the condition of sufficient illumination, the tobacco flue-curing house is heated by utilizing renewable solar energy. In the case of insufficient light, supplementary heating is performed by natural gas. Thereby solving the problems of high pollution, low energy utilization rate and high operation cost of the existing flue-cured tobacco.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a clean type tobacco flue-curing house system, is including the tobacco flue-curing house that has inlet air duct and return air passageway, its characterized in that still includes:
the electric heating system comprises a photovoltaic generator, an energy storage device and an electric heater, wherein the energy storage device is used for storing electric energy generated by the photovoltaic generator and providing electric energy for the electric heater, and the electric heater heats air by utilizing the electric energy output by the photovoltaic generator and/or the energy storage device;
the gas heating system comprises a combustor and a gas supplier for supplying gas to the combustor;
the circulating hot air system comprises a heat supply cavity arranged on one side of the tobacco flue-curing house, a circulating fan arranged in the heat supply cavity and a heat exchanger arranged below the circulating fan, the heat supply cavity is communicated with the air inlet channel and the air return channel respectively, the circulating fan is used for conveying air to the air inlet channel, the electric heater and the heat exchanger are arranged on one side of the air inlet end of the circulating fan, and the heat exchanger is used for receiving heat energy generated by gas combusted by the combustor so as to heat the air;
and the PLC control system is used for controlling the electric power heating system and the gas heating system to heat the air in the heating cavity, and controlling the gas heating system to be opened to heat the tobacco curing barn when the electric power heating system is insufficient in heat supply.
2. The clean tobacco flue-curing house system according to claim 1, wherein the air inlet channel and the air return channel are both arranged on the same wall of the tobacco flue-curing house, the air inlet channel is arranged on a high wall of the tobacco flue-curing house, and the air return channel is arranged on a low wall of the tobacco flue-curing house;
the circulating fan, the electric heater and the heat exchanger are sequentially arranged in the height direction of the heat supply chamber.
3. The clean tobacco flue-curing house system according to claim 1, wherein the gas heating system further comprises a gas flow control valve for controlling the combustion speed of the gas, a blower for blowing air to make the gas fully combusted, and the gas flow control valve is electrically connected with the PLC control system.
4. The clean tobacco flue-curing house system according to claim 1, wherein a temperature sensor electrically connected with the PLC control system is further arranged in the tobacco flue-curing house, and the PLC control system is further used for controlling the circulating fan, the electric heater and the burner according to a sensing signal output by the temperature sensor.
5. The clean-type tobacco flue-curing house system according to claim 4, wherein the temperature sensor comprises a dry bulb temperature sensor and a wet bulb temperature sensor, both disposed at the same height within the tobacco flue-curing house.
6. The clean tobacco flue-curing house system according to claim 1, wherein the circulating fan is an axial flow fan, and the axial flow fan is electrically connected with the PLC control system.
7. The clean tobacco flue-curing house system according to claim 1, wherein a moisture discharging port is provided at the outlet of the return air passage.
8. The clean tobacco flue-curing house system according to claim 1, wherein a damper located at a low position is further provided in the heat supply chamber, and a controller of the damper is electrically connected with the PLC control system.
9. The clean tobacco flue-curing house system according to claim 1, wherein the PLC control system is used for starting the gas heating system to heat the air in the heating chamber when the electric heating system is not enough.
10. The clean tobacco flue-curing house system according to claim 1, wherein the burner is a diffusion heat exchanger and the heat exchanger is a flue gas-air heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602340.9U CN213188047U (en) | 2020-08-05 | 2020-08-05 | Clean tobacco flue-curing house system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021602340.9U CN213188047U (en) | 2020-08-05 | 2020-08-05 | Clean tobacco flue-curing house system |
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| Publication Number | Publication Date |
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| CN213188047U true CN213188047U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021602340.9U Active CN213188047U (en) | 2020-08-05 | 2020-08-05 | Clean tobacco flue-curing house system |
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| CN (1) | CN213188047U (en) |
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Address after: 518000 4A, block B, Union Square, 5022 Binhe Road, Futian District, Shenzhen, Guangdong. Patentee after: Shenzhen zhongran Energy Research Center Co.,Ltd. Address before: 518000 4A, block B, Union Square, 5022 Binhe Road, Futian District, Shenzhen, Guangdong. Patentee before: SHENZHEN CHINA GAS HIT GAS TECHNOLOGY RESEARCH INSTITUTE CO.,LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220628 Address after: 518000 building 37, Dayun software Town, 8288 Longgang Avenue, Longgang street, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN ZHONGRAN TECHNOLOGY Co.,Ltd. Address before: 518000 4A, block B, Union Square, 5022 Binhe Road, Futian District, Shenzhen, Guangdong. Patentee before: Shenzhen zhongran Energy Research Center Co.,Ltd. |