CN209978570U - Belt type drying machine - Google Patents
Belt type drying machine Download PDFInfo
- Publication number
- CN209978570U CN209978570U CN201920532308.9U CN201920532308U CN209978570U CN 209978570 U CN209978570 U CN 209978570U CN 201920532308 U CN201920532308 U CN 201920532308U CN 209978570 U CN209978570 U CN 209978570U
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- China
- Prior art keywords
- air
- box body
- drying box
- gas
- belt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The belt dryer, drying the box and putting a plurality of layers of conveying mesh belts in, the material loading conveyer belt links to each other with the internal top layer conveying mesh belt of drying box, every layer of conveying mesh belt tip installs the brush roller, set up the high pressure water shower above the brush roller, every layer of conveying mesh belt below installs the air current distributor, the casing one end opening of air current distributor, the casing top sets up a plurality of exhaust vents, drying the box and installing waste gas waste heat recovery mechanism, the export of the hot-air blower of waste gas waste heat recovery mechanism communicates with each other with the shell side import of preceding gas-liquid heat exchanger in the waste heat recoverer, the tube side export of preceding gas-liquid heat exchanger links to each other with the tube side import of back gas-liquid heat. The utility model discloses set up waste gas waste heat recovery mechanism, pass through waste heat recoverer with high temperature waste gas and carry out the heat transfer to hot-blast furnace import gas, effectively reduced the hot-blast furnace energy consumption, main body frame has joint screw fixed knot and constructs, but quick assembly disassembly has reasonable in design, high and environmental protection and energy saving's advantage of hot-blast utilization ratio.
Description
Technical Field
The utility model relates to a crop treatment facility technical field, concretely relates to belt dryer.
Background
Crops, including rice, wheat, rapeseed, pepper, etc., need to be dried after harvesting for storage and processing. In order to complete the drying treatment of crops as soon as possible, people use drying equipment for processing. The crop drying equipment in the prior art adopts a cylindrical drying box mostly, coal, diesel oil or electricity are used for generating hot air as a heat source, the drying stroke of the existing cylindrical drying box is short, the crop drying efficiency is low, the structure is complex, the production and processing are difficult, the equipment investment is large, mixed flow and turbulence problems are easy to occur in the hot air circulation process of the existing drying box from bottom to top, the hot air utilization rate is low, the energy consumption is high, and the running cost of the equipment is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a belt dryer to solve the problem that drying efficiency is low, the structure is complicated, hot air utilization is low and the running cost is high that prior art exists.
The utility model provides a technical scheme that technical problem adopted is:
a belt dryer comprises a drying box body, a feeding conveyer belt, a driving motor and a hot blast stove, wherein a plurality of layers of conveyer belts are arranged in the drying box body, an outlet of the feeding conveyer belt is connected with a top layer conveyer belt in the drying box body, the conveyer belts are fixed on a main frame in the drying box body, the main frame is formed by mutually clamping a top beam, a base, a plurality of stand columns and a plurality of supporting cross beams, a brush roller is arranged at the end part of each layer of conveyer belt, a high-pressure water spray pipe is arranged above the brush roller, a plurality of material turning mechanisms are arranged at the side part of each layer of conveyer belt, each material turning mechanism consists of a material turning motor and a material turning shaft outside the drying box body, the material turning motor drives the material turning shaft arranged above the conveyer belt to rotate, a plurality of air flow distributors are arranged below each layer of conveyer belt, one end of a shell of each air flow distributor, the inlet of each airflow distributor is communicated with a vertical air box correspondingly arranged on the side part of the drying box body, the air inlet of the drying box body is connected with the inlet of the vertical air box through a hot air duct, the outlet of a hot air furnace is connected with the air inlet, a waste gas waste heat recovery mechanism is installed on the drying box body, an air heater of the waste gas waste heat recovery mechanism is installed at the top of the drying box body, the outlet of the air heater is communicated with the shell pass inlet of a front gas-liquid heat exchanger in a waste heat recovery device, the shell pass outlet of the front gas-liquid heat exchanger is connected with an exhaust fan, the tube pass outlet of the front gas-liquid heat exchanger is connected with the tube pass inlet of a rear gas-liquid heat exchanger, the.
The wind shields are respectively arranged on the two sides of the conveying net belt, so that heat loss from the side parts is prevented, and hot air is ensured to flow through the conveying net belt from bottom to top.
The drying box body is composed of the shell, the middle insulation board and the aluminum foil cloth coated on the inner side of the insulation board, and the aluminum foil cloth can be used for heat insulation, heat reflection and heat conduction loss prevention in the drying box body.
The density of the air outlet holes of the air flow distributor is smaller along with the distance from the inlet, so that the uniformity of air flow flowing to the conveying net belt is guaranteed.
The inlet of the air flow distributor is movably provided with a spoiler to ensure that the air flow entering each air flow distributor has equal air intake.
When the utility model is used, crops are sent into the drying box body through the feeding conveyer belt, the conveyer belt conveys materials, the hot blast stove conveys high-temperature hot air into a corresponding air flow distributor through the vertical air box, the hot air is blown out from the bottom to the top through an air outlet at the top of the air flow distributor, the hot air dries the materials on the conveyer belt, the materials are continuously conveyed through the multi-layer conveyer belt from the top to the bottom through the upper layer conveyer belt, the brush roller at the end part of each layer of conveyer belt is used for clearing residual materials on the belt, the cleanness of the belt is kept, the high-pressure water spray pipe can be used for online fire fighting in the drying box body, the material turning mechanism on each layer of conveyer belt can continuously turn the materials in the conveying process, the uniform heating is ensured, the quick drying effect is realized, the built-in air flow baffle plate of the air flow distributor, the hot air blower for drying the box body can convey high-temperature high-humidity gas at the top in the box body to the shell side of the front gas-liquid heat exchanger in the waste heat recovery device, water entering the tube side of the front gas-liquid heat exchanger exchanges heat with high-temperature high-humidity waste gas at the shell side, the waste gas after heat exchange is discharged through the air exhaust blower, the water after temperature rise enters the tube side of the rear gas-liquid heat exchanger, the air inlet blower conveys fresh air to the shell side of the rear gas-liquid heat exchanger to exchange heat with the high-temperature water in the tube side, and the fresh air after temperature rise is finally conveyed to the hot.
The utility model discloses set up waste gas waste heat recovery mechanism, pass through waste heat recoverer with high temperature waste gas and carry out the heat transfer to hot-blast furnace import gas, effectively reduced the hot-blast furnace energy consumption, main body frame has joint screw fixed knot structure simultaneously, but quick assembly disassembly has reasonable in design, high and environmental protection and energy saving's advantage of hot-blast utilization ratio.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a rear view schematic diagram of the present invention;
FIG. 3 is a schematic view of the internal structure of the drying box of the present invention;
FIG. 4 is a schematic view of the structure of FIG. 3;
FIG. 5 is a schematic view of the cross-sectional structure of the drying box of the present invention;
fig. 6 is a schematic structural diagram of the airflow distributor of the present invention.
In the figure, 1 a drying box body, 2 a feeding conveyer belt, 3 a driving motor, 4 a conveyer belt, 5 an air flow distributor, 6 top beams, 7 bases, 8 upright posts, 9 supporting cross beams, 10 wind shields, 11 shells, 12 heat insulation boards, 13 aluminum foil cloth, 14 a material turning motor, 15 material turning shafts, 16 brush rollers, 17 high-pressure water spray pipes, 18 hot air blowers, 19 waste heat recoverers, 20 front gas-liquid heat exchangers, 21 exhaust fans, 22 rear gas-liquid heat exchangers, 23 air inlet fans, 24 hot air blowers, 25 air inlets, 26 hot air ducts, 27 vertical air boxes, 51 shells, 52 inlets, 53 air outlets, 54 air flow blocking plates and 55 spoilers are arranged.
Detailed Description
As shown in figures 1, 2, 3, 4, 5 and 6, a belt dryer comprises a drying box body 1, a feeding conveyer belt 2, a driving motor 3 and a hot-blast stove 24, the drying box body consists of a shell 11, a heat insulation plate 12 in the middle and an aluminum foil cloth 13 coated on the inner side of the heat insulation plate, the aluminum foil cloth can be used for heat insulation and heat reflection in the drying box body and can avoid heat conduction loss, a plurality of layers of conveyer belt 4 are arranged in the drying box body 1, an outlet of the feeding conveyer belt 2 is connected with a top layer conveyer belt in the drying box body, the conveyer belt 4 is fixed on a main frame in the drying box body, the main frame is formed by clamping a top beam 6, a base 7, a plurality of stand columns 8 and a plurality of supporting cross beams 9, a brush roller 16 is arranged at the end part of each layer of conveyer belt, a high-pressure water spray pipe 17 is arranged above the brush, ensuring that hot air flows through the conveying mesh belt from bottom to top, installing a plurality of material turning mechanisms at the side part of each layer of conveying mesh belt 4, wherein each material turning mechanism consists of a material turning motor 14 and a material turning shaft 15 outside a drying box body, driving the material turning shaft arranged above the conveying mesh belt to rotate by the material turning motor, installing a plurality of air flow distributors 5 below each layer of conveying mesh belt, one end of a shell 51 of each air flow distributor 5 is opened, the top of the shell is provided with a plurality of air outlet holes 53, the middle part in the shell is provided with a plurality of air flow baffle plates 54, the air outlet holes of the air flow distributors are provided with densities which are smaller along with the distance from an inlet, so as to ensure that the air flow flowing to the conveying mesh belt is uniform, movably installing a spoiler 55 at the inlet of each air flow distributor to ensure that the air inlet amount of each air flow distributor is equal, the inlet 52 of each air flow distributor is communicated with a vertical air, the outlet of the hot blast stove 24 is connected with the air inlet 25, the waste gas and waste heat recovery mechanism is installed on the drying box body, the air heater 18 of the waste gas and waste heat recovery mechanism is installed on the top of the drying box body, the outlet of the air heater is communicated with the shell pass inlet of the front gas-liquid heat exchanger 20 in the waste heat recovery device 19, the shell pass outlet of the front gas-liquid heat exchanger is connected with the exhaust fan 21, the tube pass outlet of the front gas-liquid heat exchanger is connected with the tube pass inlet of the rear gas-liquid heat exchanger 22, the outlet of the air inlet fan 23 is connected with the shell pass inlet of the rear gas-liquid heat exchanger 22.
When the utility model is used, crops are sent into the drying box body through the feeding conveyer belt, the conveyer belt conveys materials, the hot blast stove conveys high-temperature hot air into a corresponding air flow distributor through the vertical air box, the hot air is blown out from the bottom to the top through an air outlet at the top of the air flow distributor, the hot air dries the materials on the conveyer belt, the materials are continuously conveyed through the multi-layer conveyer belt from the top to the bottom through the upper layer conveyer belt, the brush roller at the end part of each layer of conveyer belt is used for clearing residual materials on the belt, the cleanness of the belt is kept, the high-pressure water spray pipe can be used for online fire fighting in the drying box body, the material turning mechanism on each layer of conveyer belt can continuously turn the materials in the conveying process, the uniform heating is ensured, the quick drying effect is realized, the built-in air flow baffle plate of the air flow distributor, the hot air blower for drying the box body can convey high-temperature high-humidity gas at the top in the box body to the shell side of the front gas-liquid heat exchanger in the waste heat recovery device, water entering the tube side of the front gas-liquid heat exchanger exchanges heat with high-temperature high-humidity waste gas at the shell side, the waste gas after heat exchange is discharged through the air exhaust blower, the water after temperature rise enters the tube side of the rear gas-liquid heat exchanger, the air inlet blower conveys fresh air to the shell side of the rear gas-liquid heat exchanger to exchange heat with the high-temperature water in the tube side, and the fresh air after temperature rise is finally conveyed to the hot.
Claims (5)
1. A belt dryer is characterized by comprising a drying box body, a feeding conveyer belt, a driving motor and a hot blast stove, wherein a plurality of layers of conveyer belts are arranged in the drying box body, an outlet of the feeding conveyer belt is connected with a top layer conveyer belt in the drying box body, the conveyer belts are fixed on a main frame in the drying box body, the main frame is formed by clamping a top beam, a base, a plurality of stand columns and a plurality of supporting cross beams, a brush roller is arranged at the end part of each layer of conveyer belt, a high-pressure water spray pipe is arranged above the brush roller, a plurality of material turning mechanisms are arranged at the side part of each layer of conveyer belt, each material turning mechanism consists of a material turning motor and a material turning shaft outside the drying box body, the material turning motor drives the material turning shaft arranged above the conveyer belts to rotate, a plurality of air flow distributors are arranged below each layer of conveyer belt, one end of a shell of each air flow, the inlet of each airflow distributor is communicated with a vertical air box correspondingly arranged on the side part of the drying box body, the air inlet of the drying box body is connected with the inlet of the vertical air box through a hot air duct, the outlet of a hot air furnace is connected with the air inlet, a waste gas waste heat recovery mechanism is installed on the drying box body, an air heater of the waste gas waste heat recovery mechanism is installed at the top of the drying box body, the outlet of the air heater is communicated with the shell pass inlet of a front gas-liquid heat exchanger in a waste heat recovery device, the shell pass outlet of the front gas-liquid heat exchanger is connected with an exhaust fan, the tube pass outlet of the front gas-liquid heat exchanger is connected with the tube pass inlet of a rear gas-liquid heat exchanger, the.
2. The belt dryer as claimed in claim 1, wherein wind shields are installed at both sides of the mesh belt.
3. The belt dryer as claimed in claim 1, wherein the drying case body is composed of an outer case, a heat insulating plate at a middle portion thereof, and an aluminum foil cloth coated on an inner side of the heat insulating plate.
4. The belt dryer as claimed in claim 1, wherein the density of the outlet holes of the air flow distributor is decreased as the distance from the inlet is increased.
5. The belt dryer as claimed in claim 1, wherein a spoiler is movably installed at an inlet of the air distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532308.9U CN209978570U (en) | 2019-04-18 | 2019-04-18 | Belt type drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920532308.9U CN209978570U (en) | 2019-04-18 | 2019-04-18 | Belt type drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209978570U true CN209978570U (en) | 2020-01-21 |
Family
ID=69258377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920532308.9U Expired - Fee Related CN209978570U (en) | 2019-04-18 | 2019-04-18 | Belt type drying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209978570U (en) |
-
2019
- 2019-04-18 CN CN201920532308.9U patent/CN209978570U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |