CN213639623U - Bulk curer waste heat recovery device - Google Patents

Bulk curer waste heat recovery device Download PDF

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Publication number
CN213639623U
CN213639623U CN202021858624.4U CN202021858624U CN213639623U CN 213639623 U CN213639623 U CN 213639623U CN 202021858624 U CN202021858624 U CN 202021858624U CN 213639623 U CN213639623 U CN 213639623U
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China
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air inlet
curing barn
bulk curing
shell
aluminum foil
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CN202021858624.4U
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Chinese (zh)
Inventor
张维坤
陶旭
王昊
李研
单江
李有维
刘浩
张华�
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China Shipbuilding Industry Kunming Linghu Technology Development Co ltd
Yunnan Bangna Technology Co ltd
No 750 Test Field of China Shipbuilding Industry Corp
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China Shipbuilding Industry Kunming Linghu Technology Development Co ltd
Yunnan Bangna Technology Co ltd
No 750 Test Field of China Shipbuilding Industry Corp
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model discloses a bulk curer waste heat recovery device, which consists of an air inlet door, an aluminum foil heat exchange core, an air inlet fan, a moisture removal shutter and a shell, wherein the shell is internally provided with a square groove structure, the aluminum foil heat exchange core is arranged in the square groove structure, and the air inlet fan and the moisture removal fan are respectively arranged on different surfaces of the left side and the right side of the shell; outdoor cold air enters from an air inlet door arranged at the top of the right side of the shell through the suction of an air inlet fan and passes through the aluminum foil heat exchange core to form an air inlet channel; the damp and hot steam generated in the bulk curing barn enters from a damp discharging shutter arranged at the upper end of the vertical surface air inlet fan at the left side of the shell by the suction of a damp discharging fan and passes through the aluminum foil heat exchange core to form a damp discharging channel. The air inlet fan and the moisture exhaust fan are connected in series through a cable and connected with the controller. The utility model discloses make bulk curer has shortened cold air heating time, has practiced thrift the material, has reduced the emission of pollutant.

Description

Bulk curer waste heat recovery device
Technical Field
The utility model relates to a bulk curer tobacco leaf toasts modulation technical field specifically is a bulk curer waste heat recovery device.
Background
The existing tobacco leaf bulk curing barn and fruit and vegetable drying machine mainly comprise a tobacco loading chamber, a heat supply chamber, a ventilation and dehumidification system, a temperature and humidity monitoring device and the like. The smoke chamber consists of a sealed enclosure structure, a smoke frame, an air distribution plate, an air inlet and return duct and a moisture exhaust window; the heat supply chamber consists of a combustion furnace, a circulating fan and a cold air inlet door; the temperature and humidity monitoring device comprises a temperature and humidity sensor and a controller.
The operating principle of the bulk curing barn is as follows: the fuel coal or biomass particles are combusted in the combustion furnace to generate high-temperature flue gas, the high-temperature flue gas flows through a smoke tube of the heat exchanger to dissipate heat and heat air, the hot air is pressed into the tobacco loading chamber by the circulating fan to heat the tobacco leaves, the tobacco leaves are promoted to change, the moisture of the tobacco leaves is evaporated and taken away, and the tobacco leaves are discharged through the moisture discharging window to dry the tobacco leaves.
In the dehumidification process, the temperature of the discharged damp-heat steam is far higher than the outdoor temperature, so that a large amount of heat energy is lost, and the loss amount accounts for about 30-50% of the total heat. The heat loss not only increases the consumption of fuel and electric energy, but also increases the emission of pollutants.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the inventor conducts further design research, and the exhausted damp and hot steam heats the sucked outdoor cold air by utilizing the aluminum foil heat exchange core, so that a large amount of heat energy is recovered in the dehumidifying process of the bulk curing barn, the consumption of fuel and electric energy is reduced, and the emission of pollutants is reduced.
Specifically, the utility model provides a bulk curer waste heat recovery device, the device comprises air inlet door (1), aluminium foil heat exchange core (2), air intake fan (3), hydrofuge fan (4), hydrofuge shutter (7) and casing (8), wherein, the inside of casing (8) is provided with square cell body structure, aluminium foil heat exchange core (2) is installed in square cell body structure, air intake fan (3) and hydrofuge fan (4) are installed respectively on the different faces of the left and right sides of casing (8); outdoor cold air enters from an air inlet door (1) arranged at the top of the right side of the shell (8) through the suction of an air inlet fan (3) and passes through the aluminum foil heat exchange core (2) to form an air inlet channel (21); moist and hot steam generated in the bulk curing barn enters from a moisture-removing shutter (7) arranged at the upper end of a vertical surface air inlet fan (3) at the left side of the shell (8) through the suction of a moisture-removing fan (4) and passes through the aluminum foil heat exchange core (2) to form a moisture-removing channel (22); the air inlet fan (3) and the moisture exhausting fan (4) are connected in series through cables and connected with the controller.
Furthermore, when the air inlet channel (21) and the moisture exhaust channel (22) are mutually perpendicular and intersect to pass through the aluminum foil heat exchange core (2), the air inlet channel and the moisture exhaust channel are separated by a plurality of groups of bubble type aluminum foil sheets (23) in the aluminum foil heat exchange core (2).
Furthermore, square cell body structure is with inside a plurality of cavities that divide into of casing (8), and the upper right corner is the entrance chamber that outdoor cold air got into bulk curer, and the lower left corner is the export cavity that outdoor cold air got into bulk curer, and the upper left corner is the entrance cavity of damp and hot steam discharge bulk curer in the bulk curer, and the lower right corner is the export and the comdenstion water collection cavity of damp and hot steam discharge bulk curer in the bulk curer.
Furthermore, the interlayer distance between each layer of bubble type aluminum foil sheets (23) in the aluminum foil heat exchange core (2) is 6-8 mm.
Furthermore, the shell (8) is fastened with the mounting frame (6) through a screw rod (9), a lug (81) with a hole position and a welding nut (61).
Furthermore, the mounting frame (6) is assembled and welded by 4U-shaped groove metal plate parts and is of a square structure, the size of the inner frame is consistent with that of a dust removing door of the bulk curing barn, and the external size is slightly larger than that of the bulk curing barn waste heat recovery device; the middle position of the upper part of the mounting frame (6) is provided with a hook (62), and each part of the mounting frame (6) is provided with an expansion bolt mounting hole (63).
Further, the shell (8) is of an 8-face structure, and handles (83) are mounted on the front and the back of the shell (8); the front of the shell (8) is provided with an opening, and an aluminum foil heat exchange core sealing plate (82) is arranged at the opening.
Further, a drain pipe (5) is installed at the bottom of the shell (8).
Furthermore, the bulk curing barn waste heat recovery device (100) is arranged at the ash cleaning door on the right side of the bulk curing barn.
The utility model discloses a theory of operation:
the air inlet fan and the moisture removal fan are arranged on different surfaces of the same shell, so that the air inlet channel and the moisture removal channel both penetrate through the aluminum foil heat exchange core and are separated by a plurality of groups of bubble type aluminum foil pieces in the aluminum foil heat exchange core, the air inlet channel and the moisture removal channel are not interfered with each other, and the interlayer spacing between each layer of bubble type aluminum foil pieces is 6-8 mm.
The air inlet fan and the moisture exhaust fan which are connected in series through a cable are controlled by the controller, when the air inlet door is opened, the air inlet fan and the moisture exhaust fan are started, the moisture exhaust shutter blades are blown open, cold air and hot air flow vertically flow in the air inlet channel and the moisture exhaust channel through the suction action of the air inlet fan and the moisture exhaust fan respectively and are not mixed, the hot air flow is in a partition type and passes through the moisture exhaust channel, meanwhile, cold air flow completes heat exchange with the hot air flow when passing through the heated air inlet channel of the bubble type aluminum foil, sucked cold air is heated, the moisture exhaust requirement of the current baking process is met, and simultaneously, generated condensed water is discharged from a drain pipe at the bottom of the shell, so that the time required by heating cold air outside a suction chamber of the bulk curing barn is shortened, the consumption of fuel and electric energy is reduced, and the emission.
When the air inlet door is closed, the air inlet fan and the moisture removing fan stop running, the moisture removing shutter blades are closed, and the internal circulation working mode of the bulk curing barn is started.
The utility model has the advantages that:
due to the utilization of the aluminum foil heat exchange core, the waste heat of the damp-heat steam in the dehumidification process of the bulk curing barn is transferred to the sucked outdoor cold air, the purpose of waste heat recovery is achieved, the time for heating the sucked outdoor cold air of the bulk curing barn is shortened, the consumption of fuel and electric energy is reduced, and meanwhile, the emission of pollutants is also reduced. And the bubble type aluminum foil sheets uniformly distributed in the aluminum foil heat exchange core prolong the heat exchange stroke of the cold and hot air flows, so that the heat exchange efficiency of the device is higher. The utility model discloses under the original civil engineering structure condition of not changing, will the utility model discloses bulk curer waste heat recovery device installs in bulk curer right side deashing door department, because aluminium foil heat exchange core more is close to bulk curer heating chamber, the heat transfer difference in temperature is big for the device performance maximum waste heat recovery efficiency reduces the energy consumption. Meanwhile, the method is also beneficial to large-scale popularization and application in actual production.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a left side view of fig. 2.
Fig. 4 is a right side view of fig. 2.
Fig. 5 is a schematic view of the structure of the mounting frame of the present invention.
Fig. 6 is a schematic view of the aluminum foil heat exchange core of the present invention.
Fig. 7 is a front view of the installation position of the present invention.
Fig. 8 is a left side view of fig. 7.
The device comprises 1-an air inlet door, 2-an aluminum foil heat exchange core, 21-an air inlet channel, 22-a moisture removal channel, 23-a bubble aluminum foil, 3-an air inlet fan, 4-a moisture removal fan, 5-a water discharge pipe, 6-a mounting rack, 61-a welding nut, 62-a hook, 63-an expansion bolt mounting hole site, 7-a moisture removal shutter, 8-a shell, 81-a hole ear, 82-an aluminum foil heat exchange core sealing plate, 83-a handle, 9-a screw, 10-a bulk curing barn circulating fan, 11-a bulk curing barn right ash removal door wall, 12-a bulk curing barn tobacco loading chamber, 13-a bulk curing barn heating chamber, 14-a bulk curing barn shutter, 15-a bulk curing barn cold air inlet door and 100-a bulk curing barn waste heat recovery device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings in combination with specific embodiments. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The utility model provides a bulk curer waste heat recovery device, the device comprises air inlet door 1, aluminium foil heat exchange core 2, air inlet fan 3, hydrofuge fan 4, hydrofuge shutter 7 and casing 8.
As shown in fig. 1, the housing 8 is an octahedral structure, and handles 83 are mounted on the front and the rear of the housing 8. The front opening of the shell 8 is used for placing the aluminum foil heat exchange core 2 into the shell 8, and the opening of the shell 8 is sealed by an aluminum foil heat exchange core sealing plate 82.
As shown in fig. 2, the inside of the casing 8 is provided with a square groove structure, the square groove structure is connected with the casing 8 in a sheet metal welding mode, the welding seam ensures good air tightness, otherwise, the welding seam is coated with glass cement for sealing before leaving the factory. The aluminum foil heat exchange core 2 is installed in the square groove structure inside the shell 8. The air inlet fan 3 and the moisture exhaust fan 4 are respectively arranged on different surfaces of the left side and the right side of the shell 8, adopt a variable frequency adjustable technology and are matched with a matched controller for use through cable series connection. Outdoor cold air enters from an air inlet door 1 arranged at the top of the right side of the shell 8 through the suction of an air inlet fan 3 and passes through the aluminum foil heat exchange core 2 to form an air inlet channel 21. The damp and hot steam generated in the bulk curing barn enters from a damp discharging shutter 7 arranged at the upper end of a vertical surface air inlet fan 3 at the left side of the shell 8 through the suction of a damp discharging fan 4 and passes through the aluminum foil heat exchange core 2 to form a damp discharging channel 22. The air inlet channel 21 and the moisture removal channel 22 are mutually perpendicular and intersected, the air inlet channel 21 and the horizontal plane form an included angle of 45 degrees, and the moisture removal channel 22 and the horizontal plane form an included angle of 135 degrees. The square groove body structure divides the inside of the shell 8 into a plurality of cavities, the upper right corner is an inlet cavity for outdoor cold air to enter the bulk curing barn, the lower left corner is an outlet cavity for outdoor cold air to enter the bulk curing barn, the upper left corner is an inlet cavity for damp and hot steam in the bulk curing barn to be discharged out of the bulk curing barn, and the lower right corner is an outlet and condensed water collecting cavity for damp and hot steam in the bulk curing barn to be discharged out of the bulk curing barn.
The air inlet door 1 is made of a cold-rolled steel plate material with the thickness of 1.5mm, and is matched with a matched controller through a cable, and the controller automatically controls the opening angle of the air inlet door 1 according to the baking process requirement, so that the moisture discharge capacity is automatically adjusted. The moisture-removing louver 7 is made of aluminum alloy materials, blades of the moisture-removing louver 7 automatically blow away moisture when moist heat steam is discharged from the bulk curing barn, the blades of the moisture-removing louver 7 are closed when the moisture-removing louver 7 is in internal circulation in the bulk curing barn, and the heat exchange efficiency of the device for reducing outdoor cold air sucked in by the internal circulation state is reduced.
As shown in figures 3 and 4, the drain pipes 5 are arranged on the left side and the right side of the bottom of the shell 8 and are made of galvanized steel pipes, so that the phenomenon that condensed water is gathered on one side of the shell 8 due to installation inclination is avoided, and the condensed water generated in the process of dehumidifying the bulk curing barn is timely discharged.
As shown in fig. 1 and 3, the mounting frame 6 is fastened with the housing 8 through the screw 9, the ear 81 with the hole and the welding nut 61 on the left and right parts of the mounting frame 6, and the mounting frame 6 and the housing 8 are both made of cold-rolled steel plate with the thickness of 1 mm.
As shown in fig. 5, the mounting frame 6 is formed by assembling and welding 4U-shaped groove sheet metal parts, and has a square structure, the size of the inner frame is the same as that of the ash removing door of the bulk curing barn, and the external dimension is slightly larger than that of the bulk curing barn waste heat recovery device 100. A hook 62 is arranged in the middle of the upper part of the mounting frame 6, and expansion bolt mounting hole sites 63 are arranged on all the parts of the mounting frame 6.
As shown in fig. 6, when the air intake channel 21 and the moisture exhaust channel 22 pass through the aluminum foil heat exchange core 2, the air intake channel and the moisture exhaust channel are separated by a plurality of sets of bubble aluminum foil pieces 23 inside the aluminum foil heat exchange core 2, and the layer spacing between each set of bubble aluminum foil pieces 23 is 6-8 mm.
As shown in fig. 7 and 8, the bulk curing barn waste heat recovery device 100 is installed at the ash removal door on the right side of the bulk curing barn, and is tightly attached to the wall on the right side of the bulk curing barn under the action of a sealing strip, so that the air tightness between the device and the wall surface is ensured to be good, and the maximum efficiency of waste heat recovery of the device is exerted. Meanwhile, when the bulk curing barn waste heat recovery device 100 is installed, the bulk curing barn waste heat recovery device 100 is positioned by using expansion bolts to cooperate with the expansion bolt installation hole sites 63 on the components of the installation frame 6.
When the bulk curing barn discharges damp-heat steam, the air inlet door 1 is opened, the air inlet fan 3 and the moisture exhaust fan 4 are started, outdoor cold air enters the bulk curing barn heating chamber 13 through the air inlet door 1, the aluminum foil heat exchange core 2 and the air inlet fan 3, and the damp-heat steam inside the bulk curing barn is discharged to the outside through the moisture exhaust shutter 7, the aluminum foil heat exchange core 2 and the moisture exhaust fan 4. As shown in figures 2 and 6, the air inlet channel 21 and the moisture exhaust channel 22 are not interfered with each other, cold and hot air flows vertically and unmixed in the air inlet channel 21 and the moisture exhaust channel 22 through the suction action of the air inlet fan 3 and the moisture exhaust fan 4 respectively, the hot air flows through the moisture exhaust channel 22 in a partition way, and meanwhile, the cold air flow completes heat exchange with the hot air flow when passing through the air inlet channel 21 of the heated bubble type aluminum foil 23, so that the sucked cold air is heated, the time required for heating the cold air outside the suction chamber of the bulk curing barn is shortened, the consumption of fuel and electric energy is reduced, and the emission of pollutants is also reduced. The evenly distributed bubble type aluminum foil 23 prolongs the heat exchange stroke of the cold and hot air flows, so that the heat exchange efficiency of the device is higher. Through the comparison test of multiple groups of flue-cured tobaccos, the energy-saving effect is obvious, and the coal saving rate reaches 25-30%.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (9)

1. The bulk curing barn waste heat recovery device is characterized by consisting of an air inlet door (1), an aluminum foil heat exchange core (2), an air inlet fan (3), a moisture removal fan (4), a moisture removal louver (7) and a shell (8), wherein a square groove structure is arranged inside the shell (8), the aluminum foil heat exchange core (2) is installed in the square groove structure, and the air inlet fan (3) and the moisture removal fan (4) are respectively installed on different surfaces of the left side and the right side of the shell (8); outdoor cold air enters from an air inlet door (1) arranged at the top of the right side of the shell (8) through the suction of an air inlet fan (3) and passes through the aluminum foil heat exchange core (2) to form an air inlet channel (21); moist and hot steam generated in the bulk curing barn enters from a moisture-removing shutter (7) arranged at the upper end of a vertical surface air inlet fan (3) at the left side of the shell (8) through the suction of a moisture-removing fan (4) and passes through the aluminum foil heat exchange core (2) to form a moisture-removing channel (22); the air inlet fan (3) and the moisture exhausting fan (4) are connected in series through cables and connected with the controller.
2. The bulk curing barn waste heat recycling device according to claim 1, wherein the air inlet channel (21) and the moisture discharging channel (22) are separated by a plurality of groups of bubble type aluminum foils (23) inside the aluminum foil heat exchange core (2) when passing through the aluminum foil heat exchange core (2) perpendicularly to each other.
3. The bulk curing barn waste heat recovery device according to claim 1, wherein the square groove structure divides the inside of the shell (8) into a plurality of chambers, the upper right corner is an inlet chamber for outdoor cold air to enter the bulk curing barn, the lower left corner is an outlet chamber for outdoor cold air to enter the bulk curing barn, the upper left corner is an inlet chamber for damp and hot steam in the bulk curing barn to exit the bulk curing barn, and the lower right corner is an outlet and a condensed water collection chamber for damp and hot steam in the bulk curing barn to exit the bulk curing barn.
4. The bulk curing barn waste heat recovery device according to claim 2, wherein the layer spacing between each layer of bubble type aluminum foil sheets (23) inside the aluminum foil heat exchange core (2) is 6-8 mm.
5. The bulk curing barn waste heat recovery device according to claim 1, wherein the shell (8) is fastened to the mounting frame (6) by screws (9), lugs (81) with holes and weld nuts (61).
6. The bulk curing barn waste heat recovery device according to claim 5, wherein the mounting frame (6) is assembled and welded by 4U-shaped groove sheet metal parts and is of a square structure, the size of an inner frame is consistent with that of a bulk curing barn ash removal door, and the external size is slightly larger than that of the bulk curing barn waste heat recovery device; the middle position of the upper part of the mounting frame (6) is provided with a hook (62), and each part of the mounting frame (6) is provided with an expansion bolt mounting hole (63).
7. The bulk curing barn waste heat recovery device according to claim 5, wherein the shell (8) is an 8-body structure, and the front and the back of the shell (8) are provided with handles (83); the front of the shell (8) is provided with an opening, and an aluminum foil heat exchange core sealing plate (82) is arranged at the opening.
8. The bulk curing barn residual heat recycling device according to claim 7, wherein the bottom of the shell (8) is provided with a drain pipe (5).
9. The bulk curing barn waste heat recycling device according to any one of claims 1-8, wherein the bulk curing barn waste heat recycling device (100) is installed at the right ash removal door of the bulk curing barn.
CN202021858624.4U 2020-08-31 2020-08-31 Bulk curer waste heat recovery device Active CN213639623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021858624.4U CN213639623U (en) 2020-08-31 2020-08-31 Bulk curer waste heat recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021858624.4U CN213639623U (en) 2020-08-31 2020-08-31 Bulk curer waste heat recovery device

Publications (1)

Publication Number Publication Date
CN213639623U true CN213639623U (en) 2021-07-09

Family

ID=76694189

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021858624.4U Active CN213639623U (en) 2020-08-31 2020-08-31 Bulk curer waste heat recovery device

Country Status (1)

Country Link
CN (1) CN213639623U (en)

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