CN215684743U - Heat pump coupling heat accumulation's flue-cured tobacco system - Google Patents

Heat pump coupling heat accumulation's flue-cured tobacco system Download PDF

Info

Publication number
CN215684743U
CN215684743U CN202021637189.2U CN202021637189U CN215684743U CN 215684743 U CN215684743 U CN 215684743U CN 202021637189 U CN202021637189 U CN 202021637189U CN 215684743 U CN215684743 U CN 215684743U
Authority
CN
China
Prior art keywords
heat
flue
tobacco
hot air
heat pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202021637189.2U
Other languages
Chinese (zh)
Inventor
杨豫森
崔华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hepp Energy Environment Technology Co ltd
Original Assignee
Hepp Energy Environment Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hepp Energy Environment Technology Co ltd filed Critical Hepp Energy Environment Technology Co ltd
Application granted granted Critical
Publication of CN215684743U publication Critical patent/CN215684743U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/10—Roasting or cooling tobacco
    • 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
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Landscapes

  • Central Heating Systems (AREA)

Abstract

The utility model discloses a heat pump coupling heat storage flue-cured tobacco system, which comprises a flue-cured tobacco room, a heat pump, a temperature and humidity control unit, a heat storage device, a hot air connecting pipeline and a switching baffle plate, wherein the heat pump is arranged in the flue-cured tobacco room; the heat pump is respectively connected with the tobacco flue-curing house and the heat storage device through two hot air connecting pipelines, switching baffles are arranged on the two hot air connecting pipelines and are used for conducting or sealing the hot air connecting pipelines; the heat storage device is communicated with the tobacco flue-curing house through another hot air connecting pipeline, and a switching baffle plate is also arranged on the other hot air connecting pipeline and is used for conducting or sealing the other hot air connecting pipeline; the temperature and humidity control unit is connected with each switching baffle in a control mode and used for controlling the opening degree of each switching baffle. Through the technical scheme of the utility model, the heat pump can work more efficiently and stably.

Description

Heat pump coupling heat accumulation's flue-cured tobacco system
Technical Field
The utility model relates to heat pump flue-cured tobacco and heat storage technology, in particular to a system and a method for realizing clean and efficient flue-cured tobacco by utilizing a heat pump coupled heat storage facility.
Background
The baking is one of the important links of the flue-cured tobacco production and is the key period of the quality formation of the tobacco leaves. The coal-fired tobacco leaf baking is a baking mode widely adopted in tobacco leaf production in China. However, in recent years, with the development of modern tobacco agriculture, studies on improvements of baking houses and substitution of baking fuels are more and more focused on tobacco producers. Coal is a non-renewable resource, China is the first major tobacco leaf producing country in the world, a large amount of coal needs to be consumed in the tobacco leaf baking industry every year, and SO generated by coal combustion2And the toxic gases cause serious pollution to the air in the tobacco planting area and also influence the human health.
In order to make the tobacco leaf baking equipment in China meet the requirement of the development of the times, the attempt of various novel baking equipment is imperative. Heat pump curing barn tobacco curing has been tried in the last few years. The heat pump flue-curing barn consists of 2 parts of a tobacco containing chamber and a heating system. The tobacco leaves baked in the heat pump baking room have good overall appearance quality, are more suitable for each chemical component, and have the effects of environmental protection, energy conservation and the like. Through using the heat pump roast room, effectively controlled the humiture during flue-cured tobacco toasts, can improve the quality of toasting of flue-cured tobacco.
CN109330009A (published: 20190215) discloses a flue-cured tobacco heat pump double-power curing barn, and proposes a flue-cured tobacco scheme of a heat pump coupling biomass furnace, and CN105559128A (published: 20160511) discloses a solar energy combined type heat supply system for flue-cured tobacco, and proposes a flue-cured tobacco scheme of heat pump coupling solar energy, but the two coupling schemes do not realize energy storage and heat storage, so the electricity utilization cost of the heat pump is higher.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a heat pump coupling heat storage flue-cured tobacco system, which couples a heat pump with a heat storage facility, produces heat through the heat pump, stores the heat in the heat storage facility, ensures the stable heat supply of a tobacco curing house, thereby accurately controlling the temperature and the humidity in the tobacco curing house, and can also greatly reduce the running electricity cost of the heat pump by utilizing low-ebb electricity.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a heat pump coupling heat storage flue-cured tobacco system comprises a tobacco flue-curing house, a heat pump, a temperature and humidity control unit for controlling the temperature and humidity of the tobacco flue-curing house, a heat storage device, a hot air connecting pipeline and a switching baffle plate; the heat pump is respectively connected with the tobacco flue-curing house and the heat storage device through two hot air connecting pipelines, switching baffles are arranged on the two hot air connecting pipelines and are used for conducting or sealing the hot air connecting pipelines; the heat storage device is communicated with the tobacco flue-curing house through another hot air connecting pipeline, and a switching baffle plate is also arranged on the other hot air connecting pipeline and is used for conducting or sealing the other hot air connecting pipeline; the temperature and humidity control unit is connected with each switching baffle in a control mode and used for controlling the opening degree of each switching baffle.
Further, tobacco flue-curing house intercommunication has hot humid air discharge pipe, hot humid air discharge pipe is used for the tobacco flue-curing house with the hot humid air discharge that produces behind the flue-cured tobacco in the tobacco flue-curing house.
Furthermore, the tobacco flue-curing house is communicated with a hot and humid air discharge pipe, and the hot and humid air discharge pipe is communicated with a heat and moisture recovery unit of the heat pump through a recovery pipeline.
Further, the electric energy input end of the heat pump is connected to a power grid and used for receiving off-peak electricity of the power grid or peak-modulated frequency low-price electricity of the power grid as driving electric energy.
Further, the heat storage device comprises a heat storage medium space, a heat exchange medium space and a heat exchange interface; the heat storage medium space and the heat exchange medium space are separated through a heat exchange interface, a heat storage medium is stored in the heat storage medium space, and a heat exchange medium is stored in the heat exchange medium space; the heat exchange medium space is connected with the heat pump through a hot air connecting pipeline and is communicated with the tobacco flue-curing house through the other hot air connecting pipeline.
Furthermore, the heat storage medium is any one or more of a solid heat storage material, a phase change heat storage material and a liquid heat storage material.
Furthermore, the heat exchange medium is any one of air, water, high-temperature heat conduction oil and low-temperature phase change material.
Further, the temperature of the hot air delivered into the tobacco flue-curing house by the heat pump or the heat storage device is in the range of 20-150 ℃.
The utility model has the beneficial effects that:
1) because the tobacco flue-curing house needs different heating capacity in different periods, the heat pump works more efficiently and stably by introducing the heat storage device.
2) Most of the tobacco curing houses are in rural areas, circuits are unstable, and under the condition of power failure, the heat storage device can guarantee the emergency heat supply requirement of the tobacco curing houses.
3) If the peak-valley electricity price difference of the local power grid is large enough or the power grid peak-adjusting and frequency-modulating policy is preferential, the low-valley electricity or the peak-adjusting and frequency-modulating low-price electricity can be used, a large amount of heat is produced in a specific time period through the heat pump, and the heat is stored by the heat storage device, so that the electricity consumption cost of the tobacco curing barn is greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a system configuration in embodiment 1 of the present invention;
FIG. 2 is a schematic view showing the constitution of a thermal storage device in example 1 of the present invention;
fig. 3 is a schematic structural diagram of a system in embodiment 2 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Example 1
The embodiment provides a heat pump coupled heat storage flue-cured tobacco system, as shown in fig. 1, which includes a tobacco flue-curing house 1, a heat pump 2, and a temperature and humidity control unit 3 for performing temperature and humidity control on the tobacco flue-curing house 1; the device also comprises a heat storage device 4, a hot air connecting pipeline and a switching baffle plate; the heat pump 2 is respectively connected with the tobacco flue-curing house 1 and the heat storage device 4 through two hot air connecting pipelines 5 and 6, switching baffles 7 are arranged on the two hot air connecting pipelines 5 and 6, and the switching baffles are used for conducting or sealing the hot air connecting pipelines; the heat storage device 4 is communicated with the tobacco flue-curing house 1 through another hot air connecting pipeline 8, and a switching baffle 7 is also arranged on the other hot air connecting pipeline 8 and is used for conducting or sealing the other hot air connecting pipeline 8; the temperature and humidity control unit 3 is connected with each switching baffle 7 in a control mode and is used for controlling the opening degree of each switching baffle 7; the electric energy input end of the heat pump 2 is connected to the power grid 9 and is used for receiving the off-peak electricity of the power grid 9 or the peak-modulated frequency-modulated low-price electricity of the power grid 9 as the driving electric energy.
The working principle of the heat pump coupling heat storage tobacco curing system is as follows: the humiture control unit real time monitoring tobacco flue-curing house in the humiture to according to the aperture of the switching baffle among the heat demand control each hot-air connecting pipe of flue-cured tobacco, thereby the heat of control heat pump to tobacco flue-curing house transport, heat and the heat that the heat storage device carried to the heat accumulation device carried to tobacco flue-curing house, thereby temperature and humidity in the accurate control tobacco flue-curing house.
The heat pump utilizes the off-peak electricity of the power grid or the peak-load frequency modulation low-price electricity of the power grid as driving electric energy to operate and generate hot air, the hot air generated by the heat pump is conveyed to the heat storage device and/or the tobacco flue-curing house through the hot air connecting pipeline, the heat storage device utilizes a heat storage medium to realize heat storage, heat supply is supplemented for the tobacco flue-curing house when the heat generated by the heat pump cannot meet the requirement of the tobacco flue-curing house, and the temperature and humidity control unit of the tobacco flue-curing house controls the quantity of heat entering the tobacco flue-curing house by controlling the opening degree of each switching baffle plate.
Further, in the present embodiment, the tobacco flue-curing house 1 is communicated with a hot and humid air discharging pipe 10, and the hot and humid air discharging pipe 10 is communicated with the heat and moisture recovery unit of the heat pump 2 through a recovery pipeline 11. It should be noted that the heat and moisture recovery unit adopts a heat exchanger, the hot and humid air discharge pipe is communicated with a heat medium pipeline of the heat exchanger, and the heat of the hot and humid air discharged from the tobacco flue-curing house can be used for heating air in the heat pump through the heat exchanger, so that heat recovery is realized, and moisture generated after heat release and condensation of the hot and humid air is recovered.
Further, in the present embodiment, as shown in fig. 2, the heat storage device 4 is provided therein with a heat storage medium space 41, a heat exchange medium space 42, and a heat exchange interface 43; the heat storage medium space 41 and the heat exchange medium space 42 are separated by a heat exchange interface 43, the heat storage medium is stored in the heat storage medium space 41, and the heat exchange medium is stored in the heat exchange medium space 42; the heat exchange medium space is connected to the heat pump 2 through a hot air connecting pipeline 6 and is also communicated with the tobacco flue-curing house 1 through another hot air connecting pipeline 8. When the heat storage device is required to store heat, the switching baffle on the hot air connecting pipeline 6 is controlled to be opened through the temperature and humidity control unit, the switching baffle of the other hot air connecting pipeline 8 is closed, and at the moment, hot air of the heat pump is conveyed to the heat exchange medium space of the heat storage device to exchange heat with the heat storage medium in the heat storage medium space, so that heat storage is realized. When the heat pump supplies heat insufficiently and needs the heat storage device to supplement heat for the tobacco curing barn, the heat exchange medium is introduced into the heat exchange medium space to exchange heat with the heat storage medium, the temperature and humidity control unit controls the switching baffle of the other hot air connecting pipeline to be opened, and the heat exchange medium after absorbing heat is conveyed to the tobacco curing barn, so that heat is conveyed to the tobacco curing barn.
Further, in this embodiment, the thermal storage medium is any one or more of a solid thermal storage material, a phase change thermal storage material, and a liquid thermal storage material.
Furthermore, in this embodiment, the heat exchange medium is air, and may be any one of water, high-temperature heat transfer oil, and low-temperature phase change material.
Further, in the present embodiment, the temperature of the hot air delivered into the tobacco flue-curing house by the heat pump or the heat storage device is in the range of 20 ℃ to 150 ℃.
Example 2
This embodiment is substantially the same as the system described in embodiment 1, and the main difference is that, as shown in fig. 3, in this embodiment, the hot humid air discharge pipe 10 is not connected to the heat and moisture recovery unit of the heat pump, and the hot humid air discharge pipe 10 directly discharges the hot humid air generated after the flue-cured tobacco in the tobacco flue-curing house to the atmosphere.
Example 3
The system in this embodiment is substantially the same as that in embodiment 1, and the main difference is that in this embodiment, the heat storage medium is made of a phase change heat storage material, and the phase change temperature of the heat storage material is matched with the temperature of the tobacco flue-curing house.
Example 4
The present embodiment provides an operation method based on the system described in embodiment 1, where the specific process of the operation method of the system is as follows:
setting the capacities of the heat pump and the heat storage device according to the peak-to-valley electricity price difference and the valley-to-valley electricity time of a local power grid or a power grid peak-regulating and frequency-modulating policy;
according to the peak-to-valley electricity price difference and the valley-to-valley electricity duration of a local power grid, setting that the heat pump needs to generate redundant heat to be conveyed to a heat storage device for heat storage while meeting the normal heat supply of a tobacco flue-curing house within the valley-to-valley electricity duration time period;
according to a peak-shaving frequency-modulation policy of a local power grid, the heat pump is set to operate in a frequency conversion or power conversion mode, namely the power consumption of the heat pump is increased or reduced along with the change of the peak-shaving frequency-modulation load demand of the power grid, and if the power consumption of the heat pump is large, redundant heat is stored in the heat storage device; if the power consumption of the heat pump is low and cannot meet the heat demand of the tobacco curing barn, the insufficient part is complemented by the heat storage device.
Wherein, the heat of the tobacco flue-curing house, the heat pump and the heat storage device is calculated according to the following formula:
Qroasting＝QPump-out+QIs stored out；
QStorage tank＝QPump storage-QIs stored out；
QPump assembly＝QPump-out+QPump storage；
QPump assembly/COP＝PPump and method of operating the same；
Wherein QRoastingThe unit W is the heating capacity required by a tobacco flue-curing house;
Qpump-outSupplying the heat pump with the heating capacity of a tobacco flue-curing house in W;
Qis stored outSupplying the heat storage device with the heating capacity of the tobacco curing barn in W;
Qstorage tankThe heat storage device stores heat and heats heat in unit W;
Qpump assemblyThe total heating capacity of the heat pump (comprising two parts of a heat storage device supply and a tobacco curing house supply), unit W;
Qpump storageThe amount of heat produced by the heat storage device supplied to the heat pump, in units of W;
Ppump and method of operating the sameIs the power consumption of the heat pump, unit W;
COP is the coefficient of performance COP of the heat pump cycle.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.

Claims (8)

1. A heat pump coupling heat storage flue-cured tobacco system comprises a tobacco flue-curing house, a heat pump and a temperature and humidity control unit for controlling the temperature and humidity of the tobacco flue-curing house, and is characterized by further comprising a heat storage device, a hot air connecting pipeline and a switching baffle plate; the heat pump is respectively connected with the tobacco flue-curing house and the heat storage device through two hot air connecting pipelines, switching baffles are arranged on the two hot air connecting pipelines and are used for conducting or sealing the hot air connecting pipelines; the heat storage device is communicated with the tobacco flue-curing house through another hot air connecting pipeline, and a switching baffle plate is also arranged on the other hot air connecting pipeline and is used for conducting or sealing the other hot air connecting pipeline; the temperature and humidity control unit is connected with each switching baffle in a control mode and used for controlling the opening degree of each switching baffle.
2. The system of claim 1, wherein the flue-cured tobacco house is connected to a hot humid air discharge pipe, and the hot humid air discharge pipe is used for discharging hot humid air generated after flue-curing tobacco in the flue-cured tobacco house out of the flue-cured tobacco house.
3. The system according to claim 1 or 2, wherein the tobacco flue-curing house is communicated with a hot humid air discharge pipe, and the hot humid air discharge pipe is communicated with a heat and moisture recovery unit of a heat pump through a recovery pipeline.
4. The system of claim 1, wherein the power input of the heat pump is connected to a power grid for receiving off-peak power from the power grid or peak-modulated off-peak power from the power grid as the driving power.
5. The system of claim 1, wherein the thermal storage device comprises a thermal storage medium space, a heat exchange medium space, and a heat exchange interface; the heat storage medium space and the heat exchange medium space are separated through a heat exchange interface, a heat storage medium is stored in the heat storage medium space, and a heat exchange medium is stored in the heat exchange medium space; the heat exchange medium space is connected with the heat pump through a hot air connecting pipeline and is communicated with the tobacco flue-curing house through the other hot air connecting pipeline.
6. The system according to claim 5, wherein the thermal storage medium is any one or more of a solid thermal storage material, a phase change thermal storage material and a liquid thermal storage material.
7. The system of claim 5, wherein the heat exchange medium is any one of air, water, high temperature heat transfer oil and low temperature phase change material.
8. The system of claim 1, wherein the temperature of the heated air delivered by the heat pump or thermal storage device into the tobacco curing barn is in the range of 20 ℃ to 150 ℃.
CN202021637189.2U 2020-07-24 2020-08-07 Heat pump coupling heat accumulation's flue-cured tobacco system Active CN215684743U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020107215442 2020-07-24
CN202010721544 2020-07-24

Publications (1)

Publication Number Publication Date
CN215684743U true CN215684743U (en) 2022-02-01

Family

ID=72729453

Family Applications (2)

Application Number Title Priority Date Filing Date
CN202021637189.2U Active CN215684743U (en) 2020-07-24 2020-08-07 Heat pump coupling heat accumulation's flue-cured tobacco system
CN202010787965.5A Pending CN111758992A (en) 2020-07-24 2020-08-07 Heat pump coupling heat storage flue-cured tobacco system and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202010787965.5A Pending CN111758992A (en) 2020-07-24 2020-08-07 Heat pump coupling heat storage flue-cured tobacco system and method

Country Status (1)

Country Link
CN (2) CN215684743U (en)

Also Published As

Publication number Publication date
CN111758992A (en) 2020-10-13

Similar Documents

Publication Publication Date Title
CN204358978U (en) A kind of energy storage type clean energy resource steam boiler adopting heat-conducting oil
CN110458353B (en) Electric heating combined micro-grid energy step optimization method and system
CN108185501B (en) Clean and energy complementary heat supply and dehumidification device for bulk curing barn
CN108800628B (en) Combined heat and power system based on solar thermochemical energy storage
CN103471286B (en) The distributed energy resource system of multiple renewable energy sources complementation
CN102252303A (en) Solar steam power device
CN109959042A (en) A kind of Combined heating system of fume afterheat driving
CN207019521U (en) One kind stores thermal
CN112611010A (en) Flexible adjusting system and method for power generation load of multi-heat-source cogeneration unit
CN108397365A (en) One kind being based on photo-thermal power generation co-generation unit and method
CN113806952B (en) Cold-hot electricity comprehensive energy system considering source-charge-storage and optimal operation method thereof
CN205316744U (en) Compound cold and hot pair of confession system of solar energy of two sources heat pump
CN103364211B (en) A kind of Distribution of Natural formula energy supply comprehensive experimental device
CN202476421U (en) Double heat source drying device applied to tobacco flue-curing
CN215684743U (en) Heat pump coupling heat accumulation's flue-cured tobacco system
CN205243745U (en) Natural gas distributed energy system of coupling solar energy
CN201246193Y (en) Thermal storage power generating apparatus utilizing solar energy and air heat energy extraction technology
CN201574790U (en) Cascade recycling device of residual heat in electric power plant
CN206313462U (en) A kind of distributed electrical thermal coupling storing energy and supplying hot system
CN115751746A (en) Zero-carbon energy supply system of shallow layer and middle and deep layer geothermal energy coupling light storage system
CN108429292A (en) A kind of comprehensive energy energy supplying system of scene water storage collaboration
CN206585013U (en) Fuel cell efficiency optimizes system
CN207674658U (en) A kind of air-conditioning system of solar energy auxiliary heating
CN106786760A (en) A kind of distributed electrical thermal coupling storing energy and supplying hot system
CN207279779U (en) Solar energy-heat pipe integrated space heater

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant