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Multi-heat-source tobacco drying system

A drying system and multi-heat source technology, which is applied in drying, tobacco, dryer, etc., can solve the problem of continuous drying of tobacco and achieve the effects of prolonging the effective time, saving energy, and improving precise control

Pending Publication Date: 2022-04-12
中船双瑞(洛阳)特种装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a multi-heat source tobacco drying system, which can solve the technical problem that the solar tobacco drying equipment is affected by the alternation of day and night and cannot continuously dry tobacco

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0032] Such as figure 1 As shown, a multi-heat source tobacco drying system includes a multi-heat source heating device 1 , a heat storage tank 2 and a drying room 3 .

[0033] There can be one or more hot water storage tanks 2, and they can be divided into high temperature water tank 21, medium temperature water tank 22 and low temperature water tank 23 according to the temperature range of stored energy storage water. There can also be one or more high-temperature water tanks 21, medium-temperature water tanks 22 and low-temperature water tanks 23. The heat storage tank 2 is wrapped with thermal insulation material to prevent the heat of the energy storage water inside the heat storage tank 2 from being lost to the environment.

[0034] Preferably, the heat storage tank 2 in this embodiment includes a high-temperature water tank 21 , a medium-temperature water tank 22 and a low-temperature water tank 23 .

[0035] The multi-heat source heating device 1 includes a heating w...

Embodiment 2

[0057] Different from Embodiment 1, this embodiment is also provided with a temperature replenishing branch 343 connected to the heating water inlet 13 of the multi-heat source heating device 1 at the heat dissipation return water end 34 of the drying room 3, and the heat replenishment branch 343 There is a supplementary heat valve 344 on it. According to the actual situation, the energy storage water after cooling can be directly entered into the multi-heat source heating device 1 for heating without returning to the hot water storage tank 2 .

Embodiment 3

[0059] The difference from the second embodiment is that this embodiment is provided with three drying rooms 3, each drying room 3 is connected to the hot water storage tank 2 and the multi-heat source heating device 1 in the same way as the second embodiment, and different The energy-saving drying of tobacco in the drying stage makes full use of the energy storage water inside the heat storage tank 2 in different temperature ranges, further improving the overall heat utilization rate of the system.

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Abstract

The invention discloses a multi-heat-source tobacco drying system which 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 one or more heat storage water tanks are connected with the multi-heat-source heating device through heat preservation pipelines, and energy storage water in the heat storage water tanks is heated through the multi-heat-source heating device; heat dissipation coil pipes and fans are arranged in the one or more drying rooms, the heat dissipation coil pipes are connected with the heat storage water tank through heat preservation pipelines, heat is released through energy storage water introduced into the heat storage water tank, the fans are used for driving air in the drying rooms to pass through the heat dissipation coil pipes, and water pumps for driving the energy storage water to circulate are arranged on the heat preservation pipelines. Solar energy can be fully used for drying operation, the air source heat pump is used as a supplementary heat source when the solar energy is insufficient, and the technical problem that in the prior art, solar energy is used as a heat source for drying operation, and the drying operation cannot be continuous due to the influence of sunshine duration is solved.

Description

technical field [0001] The invention relates to the technical field of tobacco drying, in particular to a multi-heat source tobacco drying system. Background technique [0002] my country is the country with the largest output of flue-cured tobacco in the world. At present, there are 1.2 million intensive curing barns in the country, most of which use coal-fired barns. [0003] Coal-fired barns mostly use loose coal-fired hot air stoves, with an annual coal consumption of about 3.5 million tons, and the combustion process is unstable and the temperature rises unevenly, which is not conducive to the precise control of the flue-cured process and affects the quality of the tobacco leaves after curing. At the same time, the high ineffective energy consumption of the coal-fired barn leads to waste of fuel, and the emission of a large amount of pollutants such as SO2, NOx and solid particles causes environmental pollution. [0004] With the development of modern tobacco agricultu...

Claims

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Application Information

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IPC IPC(8): F26B9/02F26B23/10F26B25/00A24B3/10
Inventor 孙云龙刘向伟闫廷来杨志敏李栓柱陈宁宋勇
Owner 中船双瑞(洛阳)特种装备股份有限公司
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