Waste-heat recovery device is arranged on the energy-conservation barn of heating clamber
Technical field
The utility model belongs to a kind of energy-saving and emission-reduction barn, and the waste-heat recovery device of the waste heat that specifically to be a kind of recyclable utilization waste because of hydrofuge is arranged on the energy-conservation barn of heating clamber.
Background technology
Barn is a kind of building by fuel heated baking article, and most barns have been taken away most of heat because of the hydrofuge demand, have caused the king-sized barns of hydrofuge amount such as waste, particularly tobacco flue-curing house of coal equal energy source greatly.Tobacco flue-curing is because its own particularity, it is at flavescence later stage, fixation stage, drying muscle stage, need a large amount of hydrofuges, the damp-heat air temperature of discharging is at 40-70 ℃, and every stove cigarette hydrofuge time amounts to and can reach more than 60 hours, hydrofuge air-flow heat loss can account for the 10%-20% of coal calorific capacity, has caused the waste of the energy.China is cured tobacco production big country, it is again energy shortage country, flue-cured tobacco modulation energy utilization rate is relatively low at present, research barn energy saving way, enhancing not only is conducive to reduce the cured tobacco production cost to the hydrofuge afterheat utilization, increases tobacco grower's income, and be conducive to the sustainable development that tobacco produces, meet the demand of modern tobacco agriculture.
At present, the energy-conservation use device of barn mainly concentrates on the UTILIZATION OF VESIDUAL HEAT IN of flue gas, and the residual heat using device of hydrofuge air-flow is less relatively, mainly contain: heat pump, rotary-type full heat regenerator, can reclaim a large amount of potential in the damp and hot air-flow, but the heat pump cost is higher, and the supply of too busy to get away electric energy; Heat exchange efficiencies such as board-like damp and hot heat exchanger, heat-pipe heat exchanger are low, and exist and to take up room big or need problem such as heat transfer medium.
Summary of the invention
The efficient waste heat recovery barn that provides a kind of cost low, easy to install is provided the purpose of this utility model, need not other energy, medium auxiliary, improve the heat energy utilization rate, reduced energy consumption, and the heat in the damp-heat air of discharging can effectively reclaim hydrofuge the time; Near the barn also damp-heat air of discharging can being imported helps other barn tobacco leaf conditioning.
Technical scheme described in the utility model is as follows: the energy-conservation barn that described waste-heat recovery device is arranged on heating clamber comprises baking vessel and heating clamber, be provided with moisture exhausting port in baking vessel, be provided with chimney at heating clamber, be provided with heating furnace and blower fan in the heating clamber, between baking vessel and heating clamber, be provided with return air inlet and air outlet, it is characterized in that: described barn also comprises the cold-heat-exchanging exchange system that is located in the heating clamber, be provided with cold-air flap and hydrofuge chimney at heating clamber, moisture exhausting port is arranged on the position that is higher than return air inlet between heating clamber and the baking vessel, be provided with the opposite deep bead of open and-shut mode at return air inlet and moisture exhausting port place, described waste-heat recovery device comprises that multilayer forms pipeline by interior warm-air pipe and outer cool air hose, warm-air pipe all is made up of the many metal straight pipes that are arranged side by side in the cool air hose outside in every layer, and arrange metal straight pipe is interconnected more, in outer tube, form many serpentine or " Z " shape hot-air channels side by side, the lower end air inlet of every hot-air channel all is communicated with moisture exhausting port, and the upper end air outlet all is communicated with the hydrofuge chimney; Many exclusive cool air hoses formation cold air duct that also is interconnected, the air inlet of its upper end is communicated with the air port of cold-air flap, and the cool air hose air outlet of lower end is provided with condensate liquid recovery mouth over against the top of blower fan at interior warm-air pipe.
The further technical scheme of the utility model: described moisture exhausting port is horn-like, be arranged on the position near the barn top, be provided with damp-heat air water conservancy diversion conversion mouth at the moisture exhausting port place, opening part at damp-heat air water conservancy diversion conversion mouth is provided be used to the hot blast switch of closing damp-heat air water conservancy diversion conversion mouth or cold-heat-exchanging exchange system warm-air pipe air inlet, return air inlet is big or small identical with moisture exhausting port, be arranged on and the moisture exhausting port position adjacent, the deep bead at described retaining return air inlet and moisture exhausting port place is an automatic adjusting deep bead that moves up and down, and the height of deep bead be between the height of moisture exhausting port or return air inlet and two openings apart from sum; Described automatic adjusting deep bead also comprises controller and is arranged on the humidity sensor of baking vessel, the signal output part of humidity sensor is connected with the signal input part of controller, the signal output part of controller is connected with the control motor of deep bead, and upper and lower the movement opened return air inlet or moisture exhausting port under the control of controller.
Optimal technical solution of the present utility model: described cold-air flap is arranged on the wall in the heating clamber outside, and the hydrofuge chimney is arranged on the top of heating clamber.Described waste-heat recovery device comprises three layers of pipeline of being made up of outer cool air hose and interior warm-air pipe, and interior warm-air pipe is that metal is made, and every warm-air pipe is equipped with the heat radiation wing, and outer cool air hose adopts the insulation fire proofing material to make.The cool air hose air outlet of described outer cool air hose becomes horn-like, over against the top of blower fan.
Described condensate liquid reclaims the end that mouth is arranged on close moisture exhausting port, and stretches out heating clamber by recovery tube.
The beneficial effects of the utility model:
1 the utility model is provided with cold-heat-exchanging exchange system above in barn, has rationally utilized the barn volume inside, installs rationally, convenient; This device takes up room less, can install and use at existing bulk curing barn, and is convenient for installation and maintenance;
2. moisture exhausting port of the present utility model directly is communicated with the heat pipe of cold-heat-exchanging exchange system, the damp-heat air collection of directly discharging barn is originally imported in the heat radiation warm-air pipe that extends in the barn top, the cold air that originally directly enters heating clamber is tied in the cool air hose, make cold air and damp-heat air carry out cold and hot exchange, the cold wind that enters cool air hose heats under the effect of cold and hot exchange, but just energy savings, warm-air pipe is collected a mouthful lopsidedness to condensate liquid, collect condensate liquid, in recovery waste heat, the moisture in the moisture is recycled;
3. the utility model is provided with hot-air water conservancy diversion conversion mouthful at moisture exhausting port, can be by damp-heat air water conservancy diversion conversion mouthful control, the damp-heat air of discharging by being transformed into the barn that external insulating tube imports needs moisture regain, is carried out the secondary utilization of damp-heat air;
4. interior conduit of the present utility model is damp and hot flue gas owing to what pass through, and wall erosion interior conduit easy to hang needs regularly to clean, moisture exhausting port place interior conduit can be blocked during cleaning, pour scour without sediment motion into from the hydrofuge chimney and soak, reclaim mouth or moisture exhausting port discharge from condensate liquid, simple and convenient;
5. return air inlet of the present utility model and moisture exhausting port arrange position adjacent, moisture exhausting port is arranged on the top, return air inlet is arranged on the below, be provided with automatic adjusting deep bead at return air inlet, can be according to the hydrofuge demand in the bakery, automatically regulate the position of deep bead and carry out hydrofuge control, when barn needs hydrofuge, regulate deep bead automatically and move down; When barn does not need hydrofuge, regulate deep bead automatically and move up;
The utility model need not other energy, medium auxiliary, the moisture in the damp-heat air of discharging in the time of can effectively reclaiming hydrofuge has improved the heat energy utilization rate, has reduced energy consumption, near the barn also damp-heat air of discharging can being imported help other barn tobacco leaf conditioning.The utility model effectively reduces the humiture of the damp-heat air of discharge, improved the temperature of the cold air that enters heating clamber, greatly reduce the waste of heat, increased the heat energy utilization rate of barn, every bulk curing barn is saved with more than the coal 90kg, saved the baking energy consumption cost more than 30%.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Hot blast when Fig. 2 is the utility model hydrofuge moves towards figure;
Fig. 3 is the control chart of regulating deep bead automatically;
Fig. 4 is the structural representation of cold-heat-exchanging exchange system in the utility model.
Among the figure: 1-baking vessel, 2-heating clamber, 3-heating furnace, 4-blower fan, the 5-chimney, warm-air pipe in the 6-cool air hose air outlet, 7-, the outer cool air hose of 8-, the 9-moisture exhausting port, 10-deep bead, 11-return air inlet, 12-baking vessel door, 13-cold-air flap, 14-hydrofuge chimney, the 15-condensate liquid reclaims mouth, 16-air outlet, 17-hot-air water conservancy diversion conversion mouth, the 18-controller, 19-humidity sensor, 20-hot blast switch.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing, but the utility model is not done any restriction, and the utility model all can use in the gentle stream descending manner of air-flow ascending manner barn barn.Fig. 1, in 4, described waste-heat recovery device is arranged on the energy-conservation barn of heating clamber, comprise baking vessel 1 and heating clamber 2, be provided with moisture exhausting port 9 in baking vessel 1, be provided with chimney 5 at heating clamber 2, be provided with heating furnace 3 and blower fan 4 in the heating clamber 2, between baking vessel and heating clamber, be provided with return air inlet 11 and air outlet 16, it is characterized in that: described barn also comprises and is located in the heating clamber 2 or the cold-heat-exchanging exchange system in the baking vessel 1, be provided with cold-air flap 13 and hydrofuge chimney 14 at barn, moisture exhausting port 9 is arranged on the position that is higher than return air inlet 11 between heating clamber and the baking vessel, be provided with the opposite deep bead of open and-shut mode 10 at return air inlet 11 and moisture exhausting port 9 places, described waste-heat recovery device comprises that multilayer forms pipeline by interior warm-air pipe and outer cool air hose, warm-air pipe 7 all is made up of the many metal straight pipes that are arranged side by side in the cool air hose outside 8 in every layer, and arrange metal straight pipe is interconnected more, in outer tube, form many serpentine or " Z " shape hot-air channels side by side, the air inlet of every hot-air channel all is communicated with moisture exhausting port 9, and air outlet all is communicated with hydrofuge chimney 14; Many exclusive cool air hoses 8 formation cold air duct that also is interconnected, its air inlet is communicated with the air port of cold-air flap 13, and cool air hose air outlet 6 is over against the top of blower fan 4, is provided with condensate liquid at interior warm-air pipe 7 and reclaims mouthfuls 15.
Described moisture exhausting port 9 is horn-like, the position that is arranged near the barn top is provided with damp-heat air water conservancy diversion conversion mouth 17 at moisture exhausting port 9 places, opening part at damp-heat air water conservancy diversion conversion mouth 17 is provided be used to the hot blast switch 20 of closing damp-heat air water conservancy diversion conversion mouth 17 or cold-heat-exchanging exchange system warm-air pipe air inlet, hot blast switch 20 moved to damp-heat air water conservancy diversion conversion mouth at 17 o'clock, just damp-heat air water conservancy diversion conversion mouth 17 is closed, cold-heat-exchanging exchange system warm-air pipe air inlet is convenient to moisture exhausting port 9 and is communicated with, damp and hot wind just enters in the interior warm-air pipe 7, when hot blast switch 20 moves to the air inlet of interior warm-air pipe 7, just interior warm-air pipe 7 is closed, this moment, damp-heat air can be by damp-heat air water conservancy diversion conversion mouth 17, the square pipe that will have the drainage fan inserts in the water conservancy diversion conversion mouth 17, damp-heat air water conservancy diversion conversion mouth 17 is that a square groove passage extends in the barn wall, its opening part is provided with switch and equal with the barn exterior wall with heat-insulation layer, this pipeline leading portion is U-shaped, openend is towards moisture exhausting port, just damp-heat air can be imported the barn that needs moisture regain or as other use.
Described return air inlet 11 is big or small identical with moisture exhausting port 9, be arranged on and moisture exhausting port 9 position adjacent, described retaining return air inlet 11 is an automatic adjusting deep bead that moves up and down with the deep bead 10 at moisture exhausting port 9 places, and the height of deep bead 10 be between the height of moisture exhausting port 9 or return air inlet 11 and two openings apart from sum, when moisture exhausting port 9 is opened fully, return air inlet 11 just can be closed fully, and air-flow carries out the hydrofuge process from moisture exhausting port 9 circulations; When return air inlet 11 was opened fully, moisture exhausting port 9 just can be closed fully, and the hydrofuge passage is just closed, and carried out normal return air.Among Fig. 3, described automatic adjusting deep bead also comprises controller 18 and is arranged on the humidity sensor 19 of baking vessel, the signal output part of humidity sensor 19 is connected with the signal input part of controller 18, the signal output part of controller 18 is connected with the control motor of deep bead 10, and upper and lower the movement opened return air inlet 11 or moisture exhausting port 9 under the control of controller 13.Control damp and hot air-flow loop direction by automatic adjusting deep bead, when barn needs hydrofuge, regulate deep bead automatically and move down, and can regulate the distance that deep bead moves automatically according to the hydrofuge demand; When barn does not need hydrofuge, regulate deep bead automatically and move up.
The hot blast switch 20 that is arranged on moisture exhausting port 9 places also can be controlled by controller 13.
6 one-tenth of the cool air hose air outlets of described outer cool air hose 8 are horn-like, over against the top of blower fan 4.The tuyere diameter of its horn-like cool air hose air outlet 6 and blower fan diameter are similar, arrange over against blower fan 4.
Warm-air pipe 7 is made for metal in described, and every warm-air pipe is equipped with the heat radiation wing, and outer cool air hose adopts heat preserving and insulating material to make, and the outer cool air hose employing insulation fire proofing material that is arranged on the cold-heat-exchanging exchange system of heating clamber top is made.Outer cool air hose generally adopts materials such as pottery, sun-dried mud brick, rock wool to make.Outer tube adopts the good material of thermal and insulating performance can prevent and the cold and hot exchange of the inner formation of barn that interior pipe adopts many cylindrical metal pipes side by side, increases heat exchange area, is provided with the heat radiation wing on inner pipe, can strengthen its radiating effect.
When adopting the tobacco flue-curing house flue-cured tobacco in the above scheme: in the flue-cured tobacco process, by being arranged on the humidity in the humidity sensor 19 detection baking vessel 1 in the baking vessel 1, when barn does not need hydrofuge, by controller 18 regulation and control, deep bead 10 is positioned at the position of moisture exhausting port 9, moisture exhausting port 9 is closed fully, and this moment, return air inlet was in complete opening.As Fig. 2, the air-flow in the barn flows out through air outlet 16 under the pressure effect of blower fan 4, and the baking vessel 1 that flows through enters heating clamber 2 circulations from return air inlet 11 then.Humidity in temperature sensor 19 detects baking vessel 1 is too high, when needing hydrofuge, just signal is passed to controller 18, and controller 18 control deep beads 10 are moved downward to return air inlet 11, close return air inlet 11, and moisture exhausting port 9 is in opening simultaneously.As Fig. 2, air-flow in the baking vessel 1 is under the effect of blower fan 4 malleations, flow out through air outlet 16, baking vessel 1 back of flowing through enters the interior warm-air pipe 7 that is arranged on heating clamber 2 inner tops from moisture exhausting port 9, open the cold-air flap 13 that is arranged on heating clamber 2 sidewalls simultaneously, cold wind enters in the outer cool air hose 8 of cold-heat-exchanging exchange system by the cold wind mouth, after cold wind in the outer cool air hose 8 and the damp-heat air in the interior warm-air pipe 7 carry out cold and hot exchange, cold wind heating in the outer cool air hose 8 is become heated dry air enter heating clamber 1, continue circulation.Condensate liquid simultaneously in the warm-air pipe 7 flows out by condensate liquid recovery mouth 15 to be collected.
Present national yield of flue-cured tobacco is more than 5,000 ten thousand loads, and the smoke amount of average every bulk curing barn needs to carry out 7,100,000 at least and bakes inferior about 350kg.If being arranged on the energy-conservation barn of heating clamber, the waste-heat recovery device of the above dual mode of whole roasting employings carries out flue-cured tobacco, at least can be sparing in the use of coal 660,000 tons every year, saved the energy greatly, by 800 yuan of calculations of coal per ton, can save more than 500,000,000 yuan of baking cost every year, reduce the cured tobacco production cost.