CN105962410A - Method and device for utilizing waste heat of moisture discharge gas flow of bulk curing barn group - Google Patents

Method and device for utilizing waste heat of moisture discharge gas flow of bulk curing barn group Download PDF

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Publication number
CN105962410A
CN105962410A CN201610447896.7A CN201610447896A CN105962410A CN 105962410 A CN105962410 A CN 105962410A CN 201610447896 A CN201610447896 A CN 201610447896A CN 105962410 A CN105962410 A CN 105962410A
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China
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moisture
flow
air
removing air
bulk curing
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CN201610447896.7A
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Chinese (zh)
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CN105962410B (en
Inventor
罗会龙
薛涛
杨永平
欧阳进
高福宏
王钦戎
陈子丹
寇宏侨
古正刚
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24BMANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00Preparing tobacco in the factory
    • A24B3/10Roasting or cooling tobacco

Abstract

The invention relates to a method and device for utilizing waste heat of moisture discharge gas flow of a bulk curing barn group, and belongs to the technical field of tobacco modulation. The method includes the steps of collecting moisture discharge gas flow of bulk curing barns at the moisture discharge stage through a moisture discharge gas flow collector according to the characteristics that the curing barns are not synchronous in curing and curing temperatures of all stages are different, sending moisture discharge gas flow into the curing barns where tobacco is at the yellowing stage through a draught fan so as to effectively reduce the tobacco curing energy consumption, adjusting the gas supply volume through a gas volume adjusting valve according to the magnitude of heat loads of the curing barns where tobacco is at the yellowing stage, and discharging the low-temperature high-humidity gas flow coming from the curing barns where tobacco is at the yellowing stage through a three-way gas valve. The device adopting the method comprises the moisture discharge gas flow collector, a moisture discharge gas flow supply dry pipe, the draught fan, the three-way gas valve, a moisture discharge gas flow collecting dry pipe, a moisture discharge gas flow collecting branch pipe, a moisture discharge gas flow supply branch pipe and a moisture discharge gas flow supply adjusting valve. The device is high in heat utilization rate and has the advantages of saving energy and being environmentally friendly.

Description

A kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method and device
Technical field
The present invention relates to a kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method and device, belong to Nicotiana tabacum L. modulation technique field.
Background technology
Compared with traditional baking chamber, intensive baking room has the features such as dress cigarette capacity big (for 2-3 times of traditional flue-curing barn smoke filling density), employing strong hot air circulates, humiture is controlled.Owing to intensive baking room has These characteristics, at home and abroad obtain wide application, all have the bulk curing barn group of different scales in Ge Yan district, the whole nation.But the most actually used bulk curing barn all uses open type dehumidifying mode, in the dehumidifying stage of tobacco flue-curing, a large amount of moisture-removing air-flows are directly arranged to outdoor.Therefore, the loss of a large amount of moisture-removing air-flow waste heat is caused.Therefore, the capacity usage ratio of the bulk curing barn of present stage is the most relatively low so that the energy consumption of tobacco flue-curing remains high, and the coal consumption of every kg dry tobacco leaf is about 1.5~2.0 kg.
At present, bulk curing barn baking tobacco leaves mainly uses syllogic technique.Yellowing stage: dry-bulb temperature 36~38 DEG C, wet bulb temperature 35 ~ 36 DEG C.The fixation stage: Earlier stage of fixing color dry-bulb temperature 42 DEG C, wet bulb temperature 38 DEG C;Fixation dry-bulb temperature in mid-term 45 DEG C~48 DEG C, wet bulb temperature 38 DEG C~39 DEG C;Fixation later stage dry-bulb temperature: 53 DEG C~54 DEG C, wet bulb temperature 38 DEG C~39 DEG C;The dry muscle stage: dry-bulb temperature 54 DEG C~68 DEG C, wet bulb temperature 39 DEG C~42 DEG C.A large amount of dehumidifying occurred in Nicotiana tabacum L. fixation stage and dry muscle stage, and moisture-removing air-flow temperature is up to 42 ~ 68 DEG C.Visible, moisture-removing air-flow is directly arranged to outdoor, there is a large amount of waste heat loss.On the other hand, in the area that leaf tobacco production is concentrated, all using bulk curing barn group, in each bulk curing barn, the baking process of Nicotiana tabacum L. is the most different.
From above two aspects, use scientific and reasonable technological approaches and equipment, the moisture-removing air-flow waste heat of bulk curing barn can be made full use of, for the heat supply in Nicotiana tabacum L. fixation stage, thus reduce the energy consumption of tobacco flue-curing.
Summary of the invention
The technical problem to be solved in the present invention is: the present invention provides a kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method and device, for solving the problem that the dehumidifying waste heat of traditional bulk curing barn can not effectively utilize;The present invention can efficiently utilize the waste heat of the bulk curing barn dehumidifying airflow being in the dehumidifying stage in bulk curing barn group, is in the bulk curing barn heat supply of yellowing stage in bulk curing barn group.Thus improve the heat utilization ratio of bulk curing barn group's tobacco flue-curing, to realize the energy-saving and emission-reduction of highly dense curing barn cluster tobacco flue-curing.
The technical scheme is that: a kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method, in bulk curing barn group, one moisture-removing air-flow catcher (big dense curing barn cluster can set multiple) is set, utilize moisture-removing air-flow catcher 1 to collect and be in the moisture-removing air-flow that the bulk curing barn dehumidifying mouth of dehumidifying phase is discharged, collected moisture-removing air-flow is sent into Nicotiana tabacum L. and is in the bulk curing barn of changing yellow stage by blower fan 3, moisture-removing air-flow air outlet 9, for the heat supply of Nicotiana tabacum L. changing yellow stage;It is in the load of heat of changing yellow stage barn according to Nicotiana tabacum L., is adjusted the air output of bulk curing barn by moisture-removing air-flow air-supply regulation valve 8.
The moisture-removing air-flow of the bulk curing barn being in the dehumidifying phase is collected arm 6 by moisture-removing air-flow and is entered moisture-removing air-flow collection main 5 by three-way air valve 4, moisture-removing air-flow collect main 5 and enter moisture-removing air-flow catcher 1 from sidepiece;Enter the air-flow of low temperature and high relative humidity that Nicotiana tabacum L. is in the bulk curing barn of changing yellow stage, in bulk curing barn with Nicotiana tabacum L. hot and humid area after, temperature reduces, and drains into ambient atmosphere by three-way air valve 4.
Bulk curing barn group's dehumidifying airflow waste heat utilizing device of application the method, including moisture-removing air-flow catcher 1, moisture-removing air-flow air-supply main 2, blower fan 3, three-way air valve 4, moisture-removing air-flow collects main 5, moisture-removing air-flow collects arm 6, moisture-removing air-flow blowpipe 7, moisture-removing air-flow air-supply regulation valve 8;
Described moisture-removing air-flow is collected arm 6 one end and is connected (wherein with the moisture exhausting port of bulk curing barn, as shown in Figure 2, moisture exhausting port can be the moisture exhausting port on bulk curing barn right dehumidifying air door 10 and bulk curing barn left bank wet wind door 11), one end that the other end collects main 5 by three-way air valve 4 with moisture-removing air-flow is connected;Moisture-removing air-flow is collected the other end of main 5 and is connected with moisture-removing air-flow catcher 1;Moisture-removing air-flow blowpipe 7 one end of each bulk curing barn is connected with the moisture-removing air-flow air outlet 9 of bulk curing barn, and the other end is connected with one end of moisture-removing air-flow air-supply main 2 by moisture-removing air-flow air-supply regulation valve 8;Moisture-removing air-flow air-supply main 2 other end is connected with the blower fan connecting hose 15 of blower fan 3.
Preferably, one end of described blower fan 3 is connected with moisture-removing air-flow catcher 1 by fan connecting tube 13, and the other end is connected by one end of blower fan connecting hose 15 with moisture-removing air-flow air-supply main 2;Blower fan connecting hose 15 is provided with pressure transducer 14, and controller of fan 16 monitors the pressure in air-supply connecting hose 15 in real time by pressure transducer 14, controls the operating of blower fan 3, to regulate air output.
Preferably, one side wall surface of described moisture-removing air-flow catcher 1 is provided with self hang down type air grille 17, when being in the moisture-removing air-flow of bulk curing barn of dehumidifying phase more than when being in the air output needed for changing yellow stage bulk curing barn, unnecessary moisture-removing air-flow drains into ambient atmosphere by self hang down type air grille 17.When being in the moisture-removing air-flow of bulk curing barn of dehumidifying phase less than when being in the air output needed for changing yellow stage bulk curing barn, not enough heat is carried out concurrent heating by the air stove of bulk curing barn self.
Preferably, described blower fan 3 is connected with controller of fan 16, and controller of fan 16 controls the operation of blower fan 3 according to the size of blast pressure.
The switch of described three-way air valve 4 is manually operable, it is possible to use self-con-tained unit to automatically control.
The invention has the beneficial effects as follows: the present invention uses moisture-removing air-flow catcher, collected moisture-removing air-flow is sent into Nicotiana tabacum L. and is in the bulk curing barn of changing yellow stage, for bulk curing tobacco leaves heat supply, make full use of the moisture-removing air-flow waste heat of bulk curing barn.With existing bulk curing barn faciation ratio, the loss of moisture-removing air-flow waste heat can be avoided, improve the capacity usage ratio of bulk curing barn tobacco flue-curing, the advantage with energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram;
Fig. 2 is the A-A profile of Fig. 1.
Each label in Fig. 1-2: 1-moisture-removing air-flow catcher, 2-moisture-removing air-flow air-supply main, 3-blower fan, 4-three-way air valve, 5-moisture-removing air-flow collects main, 6-moisture-removing air-flow collection arm, 7-moisture-removing air-flow blowpipe, 8-moisture-removing air-flow air-supply regulation valve, 9-moisture-removing air-flow air outlet, 10-bulk curing barn right dehumidifying air door, 11-bulk curing barn left bank wet wind door, 12-bulk curing barn, 13-fan connecting tube, 14-pressure transducer, 15-blower fan connecting hose, 16-controller of fan, 17-self hang down type air grille.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Embodiment 1: as shown in Figure 1, a kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method, utilize moisture-removing air-flow catcher 1 to collect and be in the moisture-removing air-flow that the bulk curing barn dehumidifying mouth of dehumidifying phase is discharged, collected moisture-removing air-flow is sent into Nicotiana tabacum L. and is in the bulk curing barn of changing yellow stage by blower fan 3, moisture-removing air-flow air outlet 9, for the heat supply of Nicotiana tabacum L. changing yellow stage;It is in the load of heat of changing yellow stage barn according to Nicotiana tabacum L., is adjusted the air output of bulk curing barn by moisture-removing air-flow air-supply regulation valve 8.
Bulk curing barn group's dehumidifying airflow waste heat utilizing device of application the method, including moisture-removing air-flow catcher 1, moisture-removing air-flow air-supply main 2, blower fan 3, three-way air valve 4, moisture-removing air-flow collects main 5, moisture-removing air-flow collects arm 6, moisture-removing air-flow blowpipe 7, moisture-removing air-flow air-supply regulation valve 8;
Described moisture-removing air-flow is collected arm 6 one end and is connected with the moisture exhausting port of bulk curing barn, and one end that the other end collects main 5 by three-way air valve 4 with moisture-removing air-flow is connected;Moisture-removing air-flow is collected the other end of main 5 and is connected with moisture-removing air-flow catcher 1;Moisture-removing air-flow blowpipe 7 one end of each bulk curing barn is connected with the moisture-removing air-flow air outlet 9 of bulk curing barn, and the other end is connected with one end of moisture-removing air-flow air-supply main 2 by moisture-removing air-flow air-supply regulation valve 8;Moisture-removing air-flow air-supply main 2 other end is connected with the blower fan connecting hose 15 of blower fan 3.
Preferably, one end of described blower fan 3 is connected with moisture-removing air-flow catcher 1 by fan connecting tube 13, and the other end is connected by one end of blower fan connecting hose 15 with moisture-removing air-flow air-supply main 2;Blower fan connecting hose 15 is provided with pressure transducer 14.
Preferably, described blower fan 3 is connected with controller of fan 16, and controller of fan 16 controls the operation of blower fan 3 according to the size of blast pressure.
Embodiment 2: as shown in Figure 1, a kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method, utilize moisture-removing air-flow catcher 1 to collect and be in the moisture-removing air-flow that the bulk curing barn dehumidifying mouth of dehumidifying phase is discharged, collected moisture-removing air-flow is sent into Nicotiana tabacum L. and is in the bulk curing barn of changing yellow stage by blower fan 3, moisture-removing air-flow air outlet 9, for the heat supply of Nicotiana tabacum L. changing yellow stage;It is in the load of heat of changing yellow stage barn according to Nicotiana tabacum L., is adjusted the air output of bulk curing barn by moisture-removing air-flow air-supply regulation valve 8.
The moisture-removing air-flow of the bulk curing barn being in the dehumidifying phase is collected arm 6 by moisture-removing air-flow and is entered moisture-removing air-flow collection main 5 by three-way air valve 4, moisture-removing air-flow collect main 5 and enter moisture-removing air-flow catcher 1 from sidepiece;After Nicotiana tabacum L. is in air-flow and the Nicotiana tabacum L. hot and humid area of the low temperature and high relative humidity of the bulk curing barn of changing yellow stage, temperature reduces, then drains into ambient atmosphere by three-way air valve 4.
Bulk curing barn group's dehumidifying airflow waste heat utilizing device of application the method, including moisture-removing air-flow catcher 1, moisture-removing air-flow air-supply main 2, blower fan 3, three-way air valve 4, moisture-removing air-flow collects main 5, moisture-removing air-flow collects arm 6, moisture-removing air-flow blowpipe 7, moisture-removing air-flow air-supply regulation valve 8;
Described moisture-removing air-flow is collected arm 6 one end and is connected with the moisture exhausting port of bulk curing barn, and one end that the other end collects main 5 by three-way air valve 4 with moisture-removing air-flow is connected;Moisture-removing air-flow is collected the other end of main 5 and is connected with moisture-removing air-flow catcher 1;Moisture-removing air-flow blowpipe 7 one end of each bulk curing barn is connected with the moisture-removing air-flow air outlet 9 of bulk curing barn, and the other end is connected with one end of moisture-removing air-flow air-supply main 2 by moisture-removing air-flow air-supply regulation valve 8;Moisture-removing air-flow air-supply main 2 other end is connected with the blower fan connecting hose 15 of blower fan 3.
Preferably, one end of described blower fan 3 is connected with moisture-removing air-flow catcher 1 by fan connecting tube 13, and the other end is connected by one end of blower fan connecting hose 15 with moisture-removing air-flow air-supply main 2;Blower fan connecting hose 15 is provided with pressure transducer 14.
Preferably, one side wall surface of described moisture-removing air-flow catcher 1 is provided with self hang down type air grille 17, when being in the moisture-removing air-flow of bulk curing barn of dehumidifying phase more than when being in the air output needed for changing yellow stage bulk curing barn, unnecessary moisture-removing air-flow drains into ambient atmosphere by self hang down type air grille 17.
Preferably, described blower fan 3 is connected with controller of fan 16, and controller of fan 16 controls the operation of blower fan 3 according to the size of blast pressure.
Embodiment 3: as it is shown in figure 1, a kind of bulk curing barn group's moisture-removing air-flow residual-heat utilization method and device, the present embodiment is same as in Example 2, wherein:
Seeing Fig. 1, the bulk curing barn group of the present embodiment is made up of 8 bulk curing barns, and pressure transducer 14 detects the pressure in air-supply connecting hose 15 in real time, controls the operating of blower fan 3, to regulate air output.
When some time period, 4 bulk curing barns are in the dehumidifying stage, and 4 bulk curing barn Nicotiana tabacum Lves are in changing yellow stage, and the moisture-removing air-flow being in 4 bulk curing barns of dehumidifying phase is more than the air output needed for being in 4 bulk curing barns of changing yellow stage.Regulation is in 4 bulk curing barn dehumidifying airflows in dehumidifying stage and collects the three-way air valve 4 on arm 6, makes moisture-removing air-flow collect arm 6 through moisture-removing air-flow and enters moisture-removing air-flow collection main 5.Regulation Nicotiana tabacum L. is in 4 bulk curing barn dehumidifying airflows of changing yellow stage and collects the three-way air valve 4 on arms 6, makes the air-flow from bulk curing barn low temperature and high relative humidity out directly be drained into ambient atmosphere by three-way air valve 4.
When some time period, when the moisture-removing air-flow of 4 bulk curing barns being in the dehumidifying phase is more than the air output needed for being in 4 bulk curing barns of changing yellow stage, unnecessary moisture-removing air-flow can drain into ambient atmosphere by self hang down type louver air port 17.When being in the air output that the moisture-removing air-flow of 2 bulk curing barns of dehumidifying phase is less than needed for being in 2 bulk curing barns of changing yellow stage, not enough heat is carried out concurrent heating by the air stove of bulk curing barn self.
Above in conjunction with accompanying drawing, the specific embodiment of the present invention is explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to various changes can be made on the premise of without departing from present inventive concept.

Claims (6)

1. bulk curing barn group's moisture-removing air-flow residual-heat utilization method, it is characterized in that: utilize moisture-removing air-flow catcher (1) to collect and be in the moisture-removing air-flow that the bulk curing barn dehumidifying mouth of dehumidifying phase is discharged, collected moisture-removing air-flow is sent into Nicotiana tabacum L. by blower fan (3), moisture-removing air-flow air outlet (9) and is in the bulk curing barn of changing yellow stage, for the heat supply of Nicotiana tabacum L. changing yellow stage;It is in the load of heat of changing yellow stage barn according to Nicotiana tabacum L., is adjusted the air output of bulk curing barn by moisture-removing air-flow air-supply regulation valve (8).
Bulk curing barn group's moisture-removing air-flow residual-heat utilization method the most according to claim 1, it is characterized in that: the moisture-removing air-flow of the bulk curing barn being in the dehumidifying phase is collected arm (6) by moisture-removing air-flow and entered moisture-removing air-flow collection main (5) by three-way air valve (4), moisture-removing air-flow collect main (5) and enter moisture-removing air-flow catcher (1) from sidepiece;After Nicotiana tabacum L. is in air-flow and the Nicotiana tabacum L. hot and humid area of the low temperature and high relative humidity of the bulk curing barn of changing yellow stage, temperature reduces, then drains into ambient atmosphere by three-way air valve (4).
3. bulk curing barn group's dehumidifying airflow waste heat utilizing device, it is characterised in that: include moisture-removing air-flow catcher (1), moisture-removing air-flow air-supply main (2), blower fan (3), three-way air valve (4), moisture-removing air-flow collects main (5), moisture-removing air-flow collects arm (6), moisture-removing air-flow blowpipe (7), moisture-removing air-flow air-supply regulation valve (8);
Described moisture-removing air-flow is collected arm (6) one end and is connected with the moisture exhausting port of bulk curing barn, and one end that the other end collects main (5) by three-way air valve (4) with moisture-removing air-flow is connected;Moisture-removing air-flow is collected the other end of main (5) and is connected with moisture-removing air-flow catcher (1);Moisture-removing air-flow blowpipe (7) one end of each bulk curing barn is connected with the moisture-removing air-flow air outlet (9) of bulk curing barn, and the other end is connected by one end of moisture-removing air-flow air-supply regulation valve (8) with moisture-removing air-flow air-supply main (2);Moisture-removing air-flow air-supply main (2) other end is connected with the blower fan connecting hose (15) of blower fan (3).
Bulk curing barn group's dehumidifying airflow waste heat utilizing device the most according to claim 3, it is characterized in that: one end of described blower fan (3) is connected with moisture-removing air-flow catcher (1) by fan connecting tube (13), the other end is connected by one end of blower fan connecting hose (15) with moisture-removing air-flow air-supply main (2);Blower fan connecting hose (15) is provided with pressure transducer (14).
Bulk curing barn group's dehumidifying airflow waste heat utilizing device the most according to claim 3, it is characterized in that: a side wall surface of described moisture-removing air-flow catcher (1) is provided with self hang down type air grille (17), when being in the moisture-removing air-flow of bulk curing barn of dehumidifying phase more than when being in the air output needed for changing yellow stage bulk curing barn, unnecessary moisture-removing air-flow drains into ambient atmosphere by self hang down type air grille (17).
Bulk curing barn group's dehumidifying airflow waste heat utilizing device the most according to claim 3, it is characterised in that: described blower fan (3) is connected with controller of fan (16), and controller of fan (16) controls the operation of blower fan (3) according to the size of blast pressure.
CN201610447896.7A 2016-06-21 2016-06-21 A kind of bulk curing barn group moisture-removing air-flow residual-heat utilization method and device Active CN105962410B (en)

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Publication number Priority date Publication date Assignee Title
CN110897187A (en) * 2019-12-11 2020-03-24 云南省烟草农业科学研究院 Low-energy-consumption accurate baking method and system for improving tobacco baking quality
CN114111319A (en) * 2021-11-15 2022-03-01 珠海格力电器股份有限公司 Centralized type baking machine group and control method thereof

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CN201830877U (en) * 2010-07-01 2011-05-18 湖南省烟草公司永州市公司 Waste heat sharing device for parallel connected tobacco leaf bulk curing barns
CN102090707A (en) * 2010-12-15 2011-06-15 河南省烟草公司平顶山市公司 Low-carbon dense baking system for modulating cured tobacco
CN204180920U (en) * 2014-09-11 2015-03-04 吉林省烟草公司白城市公司 Bulk curing barn dehumidifying bootstrap system

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Publication number Priority date Publication date Assignee Title
US20030145867A1 (en) * 2002-02-01 2003-08-07 Bokelman Gordon Herman Apparatus and method for air curing tobacco
CN201830877U (en) * 2010-07-01 2011-05-18 湖南省烟草公司永州市公司 Waste heat sharing device for parallel connected tobacco leaf bulk curing barns
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110897187A (en) * 2019-12-11 2020-03-24 云南省烟草农业科学研究院 Low-energy-consumption accurate baking method and system for improving tobacco baking quality
CN110897187B (en) * 2019-12-11 2022-07-19 云南省烟草农业科学研究院 Low-energy-consumption accurate baking method and system for improving tobacco baking quality
CN114111319A (en) * 2021-11-15 2022-03-01 珠海格力电器股份有限公司 Centralized type baking machine group and control method thereof

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