CN105433422B - Flue-cured tobacco humidity discharging heat reclamation device and recovery method - Google Patents
Flue-cured tobacco humidity discharging heat reclamation device and recovery method Download PDFInfo
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- CN105433422B CN105433422B CN201510917075.0A CN201510917075A CN105433422B CN 105433422 B CN105433422 B CN 105433422B CN 201510917075 A CN201510917075 A CN 201510917075A CN 105433422 B CN105433422 B CN 105433422B
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- Prior art keywords
- flue
- cured tobacco
- humidity discharging
- reclamation device
- heat
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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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The present invention provides a kind of flue-cured tobacco humidity discharging heat reclamation device.The flue-cured tobacco humidity discharging heat reclamation device includes the body with receiving space, the flow straightening grid for being contained in the receiving space, spray equipment, filler, reservoir and water fender, solution line, water circulating pump and heat exchanger, the filler is located between the rectification grid and the water fender, and above the reservoir, the solution line is used to connect the reservoir and the spray equipment, spray heat exchange is carried out to the intrinsic damp-heat air, the heat exchanger is used to the solution line and condensate line carrying out heat exchange.The present invention also provides a kind of flue-cured tobacco humidity discharging heat recovery method.Compared with correlation technique, the present invention provides flue-cured tobacco humidity discharging heat reclamation device and carries out heat exchange by the spray equipment and damp-heat air, and effluent air temp is low, meets the standard limit of smog release of technique productions, and heat recovery and utilization rate is high.
Description
Technical field
The present invention relates to tobacco roasting field, more particularly to a kind of flue-cured tobacco humidity discharging heat reclamation device and recovery method.
Background technology
China is tobacco planting state maximum in the world, and wherein flue-cured tobacco is the maximum tobacco type of China's cultivated area.
The tobacco planting face of China in 2015 accounts for more than the 80% of national tobacco area of about 15,800,000 mu, and average every
Hectare vega produces 1800~1950kg of dry tobacco leaf per year, and water content is removed during flue-cured tobacco up in 85~90% fresh tobacco leaves
More than 90% moisture, it is seen that tobacco flue-curing needs to consume substantial amounts of energy.And under the efficiency of domestic tobacco flue-curing is relatively low, only
Have 20% or so, toast out 1kg dry tobacco leaf mean consumption 2.0~3.0kg standard coals, it is seen that Tobacco Leaf Curing is realized and saved
There are very big potentiality.
The mode of existing tobacco flue-curing is similar to convective drying process, is improved using hot-air by tobacco leaf surface to tobacco leaf
Energy, promotes its internal moisture to evaporate, then take the moisture of evaporation out of by air flow.Energy dissipation is main in the process
It is hydrofuge heat dissipation, smoke evacuation heat dissipation and building enclosure radiation loss.General flue-cured tobacco humidity discharging air parameter：55 DEG C of temperature, relatively
Humidity 70%, wherein hydrofuge humidity discharging heat dissipation account for more than the 80% of energy dissipation.Under normal circumstances, these damp-heat airs without
Processing is directly discharged into air, causes very big energy dissipation.
Therefore, it is necessary to provide a kind of flue-cured tobacco humidity discharging heat reclamation device and recovery method solves the above problems.
The content of the invention
In order to reduce energy loss, the present invention, which provides one kind, can reclaim humidity discharging damp-heat air, solve flue-cured tobacco humidity discharging process
The flue-cured tobacco humidity discharging heat reclamation device and recovery method of energy loss.
The present invention provides a kind of flue-cured tobacco humidity discharging heat reclamation device, including the body with receiving space, solution line, circulation
Water pump, heat exchanger, the flow straightening grid being contained in the receiving space, spray equipment, filler, reservoir and water fender, it is described
Body includes air inlet and air outlet, and the flow straightening grid is located at the air inlet side, and the water fender is located at the air outlet
Side, the filler is located between the rectification grid and the water fender, and above the reservoir, the reservoir is used
In containing absorbent solution, the spray equipment includes one-level spray equipment and two grades of spray equipments, the one-level spray equipment position
Set between the filler and the rectification grid and just to the rectification grid, two grades of spray equipments are filled out located at described
Material top, described solution line one end connects the reservoir, and the other end connects the spray equipment, the water circulating pump and institute
Heat exchanger is stated located at the solution line, the heat exchanger includes condensate line, the solution line and the condensate pipe
Road carries out heat exchange.
It is preferred that, the flue-cured tobacco humidity discharging heat reclamation device also includes flow regulator, and the flow regulator is located at
The solution line, and positioned at the outlet side of the water circulating pump.
It is preferred that, the flue-cured tobacco humidity discharging heat reclamation device also includes filter, and the filter is located at the solution line,
And positioned at the inlet side of the water circulating pump.
It is preferred that, the body is 316L stainless steel parts, and the body exterior is covered with adiabatic rock cotton board.
It is preferred that, the flow straightening grid is wing streamline type grate.
It is preferred that, the one-level spray equipment and two grades of spray equipments include liquid distributor and wash nozzle, described
Liquid distributor is connected with the solution line, and the wash nozzle is located at the liquid distributor.
It is preferred that, the wash nozzle is Y-1 type swirl atomizers.
It is preferred that, the filler is S type corrugated plate packings, and is made of PVC is material modified.
It is preferred that, the absorbent solution is saline solution.
The present invention also provides a kind of flue-cured tobacco humidity discharging heat recovery method, including：
Flue-cured tobacco humidity discharging heat reclamation device is provided, the flue-cured tobacco humidity discharging heat reclamation device includes body, located at the body
Air inlet and air outlet, the flow straightening grid for being contained in the body, spray equipment, filler, reservoir and water fender, solution conduit
Road, water circulating pump and heat exchanger, the reservoir contain absorbent solution；
Absorbent solution in the reservoir is delivered to the heat exchanger by the water circulating pump, the condensed water with heat exchanger
Spray equipment is sent into after carrying out heat exchange；
Moist hot air is entered in the body by the air inlet, and one-level spray work is carried out after the rectification grid
Skill, then flows through the filler and carries out two grades of spray process, obtained cryogenic gas is discharged by the air outlet.
Compared with correlation technique, the present invention provides flue-cured tobacco humidity discharging heat reclamation device and sprayed by the one-level of the spray equipment
Device and two grades of spray equipments carry out heat exchange with damp-heat air, make be from the gas that the flue-cured tobacco humidity discharging heat reclamation device is discharged
Cryogenic gas.Meanwhile, the absorbent solution temperature rise after heat exchange is carried out, by carrying out heat exchange with the condensed water of heat exchanger
Afterwards, the temperature of the absorbent solution is on the one hand reduced, the effect and dust granules, hot-air of heat exchange in spray process is improved
The absorptivity of middle moisture, on the other hand, the heat of absorbent solution is used for the condensed water of heating heat exchanger, the condensed water after heating
Discharge can be used for other techniques, further increase the heat utilization ratio of damp-heat air.
Brief description of the drawings
Fig. 1 is the structural representation of flue-cured tobacco humidity discharging heat reclamation device of the present invention.
Embodiment
Below in conjunction with drawings and embodiments, the invention will be further described.
Referring to Fig. 1, being the structural representation of flue-cured tobacco humidity discharging heat reclamation device of the present invention.The flue-cured tobacco humidity discharging recuperation of heat dress
Putting 100 includes body 101, flow straightening grid 102, spray equipment 103, filler 104, reservoir 105, dash with receiving space
Plate 106, solution line 107, filter 108, water circulating pump 109, flow regulator 110 and heat exchanger 111.
The flow straightening grid 102, the spray equipment 103, the filler 104, the reservoir 105 and water fender 106
In the body 101.The solution line 107 is used to connect the reservoir 105 and the spray equipment 103, and
The filter 108, the water circulating pump 109, the flow regulator 110 and the heat exchanger 111 are sequentially arranged in described
Solution line 107.
The body 101 includes air inlet 1011 and air outlet 1012, the exhaust opening of the air inlet 1011 and tobacco flue-curing house
The hot and humid air of connection, i.e. tobacco flue-curing house discharge enters in the body 101 from the air inlet 1011, the air outlet
1012 communicate with air, for discharging the Cryogenic air after processing.
The body 101 is 316L stainless steel parts, is covered with adiabatic heat-insulation rock cotton board outside it.(not shown).Stainless steel
Material has high rotproofness, and the phenomenons such as rust corrosion will not occur under the air-flow environment of high humidity hyperpyrexia.Adiabatic, heat preservation rock is used
It is incubated in the body 101, the heat for advantageously reducing hot-air scatters and disappears.
The flow straightening grid 102 is located at the side of air inlet 1011.The flow straightening grid 102 suppresses squarely using plastics
Grid, the section of flow straightening grid 102 is streamlined in wing, can more realize air even into heat exchanger section, makes described
The air of air inlet 1011 flows, and promotes air and the abundant contact heat-exchanging of spray solution.
The spray equipment 103 includes one-level spray equipment 1031 and two grades of spray equipments 1032.The one-level spray dress
It is countercurrent spray device to put 1031, between the filler 104 and the flow straightening grid 102 and just to the flow straightening grid
102 are set, for gas-liquid Total heat exchange, belong to first order heat exchange.Two grades of spray equipments 1032 are located at the filler 104
Top.
The one-level spray equipment 1031 includes the first liquid distributor 10311 and the first wash nozzle 10312.Two grades of sprays
Shower device 1032 includes the second liquid distributor 10321 and the second wash nozzle 10322.First liquid distributor 10311, the second cloth liquid
Pipe 10321 is antipriming pipe, and first wash nozzle 10312, the quantity of the second wash nozzle 10322 have multiple, set respectively
In the tapping of the liquid distributor 10311,10321, first liquid distributor 10311, the second liquid distributor 10321 respectively with it is described
First wash nozzle 10312, the second wash nozzle 10322 are connected, and are connected with the solution line 107.First solution
Nozzle 10312 is just set to the flow straightening grid 102, and second wash nozzle 10322 is just set to the filler 104, and
Y-1 type swirl atomizers are respectively adopted in first wash nozzle 10312, the second wash nozzle 10322.
The filler 104 is S type corrugated plate packings, and is made of PVC is material modified, for gas-liquid Total heat exchange, with
Two grades of spray equipments 1032 combination forms second level heat-exchanging component.The filler 104 is designed to Trapezium oblique wave and vertical convex
Line is detained ripple, makes moisture film evenly, extends the moisture film holdup time, makes aqueous vapor heat exchange more abundant.
The reservoir 105 is located at the lower section of the filler 104, for collecting the solution after storage heat exchange, such as absorbs
Solution, for complete hot (sensible heat, the latent heat) in absorption air, the absorbent solution is generally saline solution, such as sodium chloride solution,
Klorvess Liquid etc..The saline solution is small to metal protection, nontoxic, and chemical stability is good, good heat-transfer, at normal temperatures
It is non-volatile, do not decompose, dilution capacity is big.
The water fender 106 is located at the side of air outlet 1012.The water fender 106 uses S types big ripple or plough groove type
Ripplet water fender, exports the drop carried by air for blocking apparatus, realizes the trapping of moisture in air.
The solution line 107 is used to connect the reservoir 105, the filter 108, the water circulating pump 109, institute
Flow regulator 110, the heat exchanger 111 and the spray equipment 103 are stated, wherein the reservoir 105 and the spray
Device 103 is respectively arranged on the two ends of the solution line 107.
The filter 108 is full-automatic back washing filter, positioned at the inlet side of the water circulating pump 109, is used for
The impurity such as particulate matter in filtering solution, makes the particles in solution thing into the water circulating pump 109 few, reduces the recirculated water
The fault rate of pump 109.The full-automatic back washing filter fixed time cleaning.
The water circulating pump 109 is used to the absorbent solution in the reservoir 105 being pumped to the spray equipment 103,
Thus circulation is constituted.
The flow regulator 110 is electric control valve, the circular flow for controlling solution.The Flow-rate adjustment dress
Put 110 to be adjusted according to the gas temperature of the air outlet 1012, i.e., at described air outlet 1012 provided with temperature sensor (not
Diagram), when the gas temperature of the air outlet 1012 is higher than setting value, the flow regulator 110 tunes up the solution
The flow of pipeline 107, by improving the contact area of the instantaneous delivery of spray solution, increase solution and hot air flow, makes institute
The temperature reduction of air outlet 1012 is stated, the heat utilization ratio of hot-air is improved.Similarly, when the gas temperature of the air outlet 1012
During less than setting value, the flow regulator 110 turns the flow of the solution line 107 down, while reaching discharge standard
Reduce energy consumption.
The heat exchanger 111 includes solution inlet port end 1111, taphole end 1112, condensed water entrance point 1113, condensation
Water outlet end 1114 and condensate line 1115.Heat exchanging pipe in the heat exchanger 111 is by the solution line 107 and described
Condensate line 1115 is constituted.The solution line 107 connects the solution inlet port end 1111 and the taphole end 1112,
The solution line 107 after the taphole end 1112 connects the one-level spray equipment 1031 and two grades of sprays respectively
Device 1032.The condensed water entrance point 1113 and the condensation-water drain end 1114 are by the condensate pipe 1115 described
The inside of heat exchanger 111 is connected, and the condensation-water drain end 1114 is connected with other workshop sections, that is, the condensed water after heating is used for other
Technique, improves heat utilization ratio.
The heat exchanger 111 is asymmetric plate type heat exchanger, and corrugated sheet is stamped with regular intervals by many, and surrounding
It is made up of gasket seal.There is the herringbone ripple of different angles on same plate, achievable six kinds of different qualities
Runner.Solution inlet port end 1111 and the taphole end 1112 on plate and side pad form solution distribution pipe and collected
The condensed water entrance point 1113 and the condensation-water drain end 1114 form point of condensed water on pipe, plate and opposite side pad
Pipe arrangement and manifold trunk, cold fluid and hot fluid are separated, it is flowed respectively in the runner of every piece of plate both sides, realize and absorb molten to described
Liquid carries out heat exchange with condensed water.
The present invention also provides a kind of flue-cured tobacco humidity discharging heat recovery method, comprises the following steps：
Absorbent solution in the reservoir 105 is delivered to the heat exchanger 111 by the water circulating pump 109, and described
Condensed water in heat exchanger 111 is conveyed into the spray equipment 103 again after carrying out heat exchange；
Moist hot air is entered in the body 101 by the air inlet 1011, and one is carried out after the rectification grid 12
Level spray process, then flows through the filler 104 and carries out two grades of spray process, obtained cryogenic gas is by the air outlet
1012 discharges；
The temperature sensor detects the gas temperature of the air outlet 1012 in real time, and temperature signal is sent to described
Flow regulator 110, when the gas temperature of the air outlet 1012 is higher than design temperature, the flow regulator 110
Flow-rate adjustment is carried out, increases the liquid inventory of the solution line 107.
After testing, 55-65 DEG C of damp-heat air is introduced into the flue-cured tobacco humidity discharging heat reclamation device, the low temperature of the air outlet
The condensate temperature that gas temperature can be reduced to after 18-22 DEG C, and the heat exchange of the heat exchanger 111 can be warming up to 36-42 DEG C, heat
Recovering effect is notable.
Compared with correlation technique, the present invention provides flue-cured tobacco humidity discharging heat reclamation device and sprayed by the one-level of the spray equipment
Device and two grades of spray equipments carry out heat exchange with damp-heat air, make be by the gas that the flue-cured tobacco humidity discharging heat reclamation device is discharged
Cryogenic gas.Meanwhile, the absorbent solution temperature rise after heat exchange is carried out, by carrying out heat exchange with the condensed water of heat exchanger
Afterwards, on the one hand, the temperature of the reduction absorbent solution, the effect of heat exchange and the absorption of dust granules in spray process are improved
Rate, on the other hand, is used for heating heat exchanger condensed water by the heat of absorbent solution, and the condensed water discharge after heating can be used for other
Technique, further increases the heat utilization ratio of damp-heat air.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of flue-cured tobacco humidity discharging heat reclamation device, it is characterised in that including the body with receiving space, solution line, circulation
Water pump, heat exchanger, the flow straightening grid being contained in the receiving space, spray equipment, filler, reservoir and water fender, it is described
Body includes air inlet and air outlet, and the flow straightening grid is located at the air inlet side, and the flow straightening grid is that wing is streamlined
Grid, the water fender is located at the air outlet side, and the filler is located between the rectification grid and the water fender, and position
Above the reservoir, the reservoir is used to contain absorbent solution, and the spray equipment includes one-level spray equipment and two
Level spray equipment, the one-level spray equipment is located to be set between the filler and the rectification grid and just to the rectification grid
Put, two grades of spray equipments are set above the filler and just to the filler, the filler is that S type corrugated platings are filled out
Material, and be made of PVC is material modified, for gas-liquid Total heat exchange, with two grades of spray equipments formation second level heat exchange group
Part, described solution line one end connects the reservoir, and the other end connects the spray equipment, the water circulating pump and described changes
Hot device is located at the solution line, and the heat exchanger includes condensate line, and the solution line enters with the condensate line
Row heat exchange.
2. flue-cured tobacco humidity discharging heat reclamation device according to claim 1, it is characterised in that the flue-cured tobacco humidity discharging heat reclamation device
Also include flow regulator, the flow regulator is located at the solution line, and positioned at the outlet of the water circulating pump
Side.
3. flue-cured tobacco humidity discharging heat reclamation device according to claim 1, it is characterised in that the flue-cured tobacco humidity discharging heat reclamation device
Also include filter, the filter is located at the solution line, and positioned at the inlet side of the water circulating pump.
4. flue-cured tobacco humidity discharging heat reclamation device according to claim 1, it is characterised in that the body is 316L stainless steels
Part, the body exterior is covered with adiabatic rock cotton board.
5. flue-cured tobacco humidity discharging heat reclamation device according to claim 1, it is characterised in that the one-level spray equipment and described
Two grades of spray equipments include liquid distributor and wash nozzle, and the liquid distributor is connected with the solution line, the wash nozzle
Located at the liquid distributor.
6. flue-cured tobacco humidity discharging heat reclamation device according to claim 5, it is characterised in that the wash nozzle be Y-1 types from
Heart nozzle.
7. flue-cured tobacco humidity discharging heat reclamation device according to claim 1, it is characterised in that the absorbent solution is that salt is molten
Liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917075.0A CN105433422B (en) | 2015-12-11 | 2015-12-11 | Flue-cured tobacco humidity discharging heat reclamation device and recovery method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510917075.0A CN105433422B (en) | 2015-12-11 | 2015-12-11 | Flue-cured tobacco humidity discharging heat reclamation device and recovery method |
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| Publication Number | Publication Date |
|---|---|
| CN105433422A CN105433422A (en) | 2016-03-30 |
| CN105433422B true CN105433422B (en) | 2017-10-27 |
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| CN201510917075.0A Active CN105433422B (en) | 2015-12-11 | 2015-12-11 | Flue-cured tobacco humidity discharging heat reclamation device and recovery method |
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| CN105433422A (en) | 2016-03-30 |
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