CN217979608U - System for drying fuel by using waste heat of flue gas of biomass boiler - Google Patents
System for drying fuel by using waste heat of flue gas of biomass boiler Download PDFInfo
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- CN217979608U CN217979608U CN202222314736.9U CN202222314736U CN217979608U CN 217979608 U CN217979608 U CN 217979608U CN 202222314736 U CN202222314736 U CN 202222314736U CN 217979608 U CN217979608 U CN 217979608U
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Abstract
The utility model relates to the technical field of biomass boilers, in particular to a system for drying fuel by using flue gas waste heat of a biomass boiler, which pours the fuel into a conveying device, conveys the fuel from right to left through the conveying device, discharges the flue gas into a drying device at the same time, dries the fuel in the conveying device by using the heat in the flue gas, discharges the dried fuel by using the right end of the conveying device, collects the heat and the steam in the conveying device by using a recovery device, and heats the water in a heat exchanger by using the recovered heat and the steam, thereby improving the practicability of the equipment; comprises a heat exchanger; the drying device, the recovery device and the heat exchanger are all arranged on the conveying device; the fuel is conveyed by the conveying device, the fuel is dried by the drying device, and heat and steam in the conveying device are recovered by the recovery device.
Description
Technical Field
The utility model relates to a biomass boiler's technical field especially relates to a biomass boiler flue gas waste heat stoving fuel's system.
Background
Biomass boiler is a kind of boiler, and the boiler that uses the biomass energy as fuel is called biomass boiler, divide into biomass steam boiler, biomass hot water boiler, living beings hot-blast furnace, living beings heat conduction oil furnace, vertical biomass boiler, horizontal biomass boiler etc. current biomass boiler only retrieves through the heat exchanger part heat in to the flue gas when using, heats microthermal boiler moisturizing for thermal utilization ratio is higher low in the flue gas, leads to the practicality relatively poor, consequently needs to improve current equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a pour fuel into to conveyor in, carry fuel from the right side left through conveyor, simultaneously with the flue gas arrange into to drying device in, heat through in the flue gas is dried the fuel among the conveyor, the fuel discharge after rethread conveyor's right-hand member will be dried, heat and steam through recovery unit in to conveyor are collected simultaneously, and heat and the steam through retrieving heat and the water of steam in to the heat exchanger heat, thereby improve the system of biomass boiler flue gas waste heat stoving fuel of equipment's practicality.
The utility model discloses a system for drying fuel by using the waste heat of flue gas of a biomass boiler, which comprises a heat exchanger; the drying device, the recovery device and the heat exchanger are all arranged on the conveying device; the conveying device conveys the fuel, the drying device dries the fuel, and the recovery device recovers heat and steam in the conveying device;
pour fuel into to conveyor, carry fuel from the right side left side through conveyor, discharge the flue gas to drying device in simultaneously, dry the fuel among the conveyor through the heat in the flue gas, the fuel discharge after rethread conveyor's right-hand member will be dried, collect heat and steam in the conveyor through recovery unit simultaneously, and heat and the steam through retrieving in to the heat of heat and steam in the heat exchanger heat, thereby improve equipment's practicality.
Preferably, the conveying device comprises a driving device, two groups of supports, two groups of bearings, a conveying roller and a feeding pipe, the bottom ends of the two groups of supports are mounted at the top end of the driving device, the two groups of bearings are sleeved on the conveying roller, the bottom ends of the two groups of bearings are respectively connected with the top ends of the two groups of supports, the feeding pipe is fixedly mounted at the top end of the driving device, and the right end of the feeding pipe extends into the conveying roller from the left end of the conveying roller; the inclination angle of the conveying roller is adjusted through the driving device, the fuel is discharged into the conveying roller through the inlet pipe, the conveying roller is driven to rotate through the driving device, the conveying roller is enabled to convey the fuel from left to right, and therefore the practicability of the equipment is improved.
Preferably, the drying device comprises a spiral radiating fin and an insulation can, the spiral radiating fin is spirally mounted on the conveying roller, the insulation can is rotatably mounted on the conveying roller, the bottom end of the insulation can is fixedly mounted at the top end of the driving device, the insulation can covers the spiral radiating fin, a smoke inlet pipe is arranged at the top end of the insulation can, and a smoke exhaust pipe is arranged at the bottom end of the insulation can; with the flue gas by the advancing tobacco pipe of insulation can arrange into to the spiral fin in, heat conveying cylinder and spiral fin through the flue gas, the inside to conveying cylinder is poured into to the heat of rethread conveying cylinder and spiral fin in with the flue gas, dries fuel, later rethread insulation can discharge the flue gas through the pipe of discharging fume to improve equipment's practicality.
Preferably, the recovery device comprises an exhaust pump, an air suction pipe, an exhaust pipe, a dehumidification box and a plurality of groups of baffle plates, the bottom ends of the exhaust pump and the dehumidification box are both installed at the top end of the driving device, an air suction port is arranged at the left end of the exhaust pump, an air exhaust port is arranged at the front end of the exhaust pump, the right end of the air suction pipe is connected with the air suction port of the exhaust pump, the left end of the air suction pipe extends into the conveying roller from the right end of the conveying roller, a plurality of groups of suction ports are arranged at the bottom end of the air suction pipe, the air exhaust port of the exhaust pipe is connected at one end of the exhaust pipe, the other end of the exhaust pipe and the interior of the dehumidification box are both communicated with the interior of the heat exchanger, a discharge port is arranged at the left end of the dehumidification box, a drain valve is arranged at the bottom of the front end of the dehumidification box, and the plurality of groups of baffle plates are all installed in the interior of the dehumidification box; open the air discharge pump, gas and steam through the breathing pipe in with the carry cylinder are discharged to the heat exchanger in, through the leading-in boiler moisturizing of heat in with gas and the steam of heat in the heat exchanger, heat the boiler moisturizing, discharge gas and steam to the dehumidification case in again, moisture contact multiunit baffling board in gas and the steam, and condense on the multiunit baffling board, form the water droplet, later discharge gas through the discharge port of dehumidification case, the drain valve through the dehumidification case is discharged the water in the dehumidification case and is used as the raw water, thereby improve equipment's practicality.
Preferably, the heat exchanger comprises a heat exchange box, a heat exchange pipe, a water inlet valve and a water discharge valve, the bottom end of the heat exchange box is mounted at the top end of the driving device, the heat exchange pipe is mounted inside the heat exchange box, the bottom ends of the water inlet valve and the water discharge valve are both connected with the top end of the heat exchange pipe, and the top ends of the water inlet valve and the water discharge valve are both extended out of the top end of the heat exchange box; the boiler water replenishing is discharged into the heat exchange tube through the water inlet valve, gas and steam in the conveying roller are discharged into the heat exchange tube through the exhaust tube, heat in the gas and the steam is conducted into the boiler water replenishing through the heat exchange tube, and then the boiler water replenishing in the heat exchange tube is discharged through the drain valve, so that the practicability of the device is improved.
Preferably, the driving device comprises a base, a hydraulic cylinder, a top plate, a driving motor, a gear and a toothed ring, wherein the right part of the bottom end of the top plate is rotatably connected with the top end of the base; through pneumatic cylinder extension or shrink, the inclination of cylinder is carried in the adjustment, opens driving motor again, through gear and ring gear meshing transmission, the drive is carried the cylinder and is rotatory, overturns and carry fuel to improve equipment's practicality.
Preferably, the device also comprises a sealing cover and a cylinder, wherein the top of the right end of the sealing cover is rotatably connected with the top of the left end of the feeding pipe, one end of the cylinder is rotatably arranged at the front end of the feeding pipe, and the other end of the cylinder is rotatably arranged at the front end of the sealing cover; extend through the cylinder, open sealed lid, in the inlet pipe of conveniently discharging fuel, through the cylinder shrink, with sealed lid in the left end of inlet pipe, reduce the thermal loss in the conveying cylinder to improve equipment's practicality.
Compared with the prior art, the beneficial effects of the utility model are that: pour fuel into to conveyor, carry fuel from the right side left side through conveyor, discharge the flue gas to drying device in simultaneously, dry the fuel among the conveyor through the heat in the flue gas, the fuel discharge after rethread conveyor's right-hand member will be dried, collect heat and steam in the conveyor through recovery unit simultaneously, and heat and the steam through retrieving in to the heat of heat and steam in the heat exchanger heat, thereby improve equipment's practicality.
Drawings
Fig. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the enlarged structure of the conveying roller and the spiral heat sink;
FIG. 3 is an enlarged front view, sectional view of the dehumidification box and the heat exchange box of the present invention;
in the drawings, the reference numbers: 1. a support; 2. a bearing; 3. a conveying roller; 4. a feed pipe; 5. a spiral heat sink; 6. a heat preservation box; 7. an exhaust pump; 8. an air intake duct; 9. an exhaust pipe; 10. a dehumidification box; 11. a baffle plate; 12. a heat exchange box; 13. a heat exchange pipe; 14. a water inlet valve; 15. a drain valve; 16. a base; 17. a hydraulic cylinder; 18. a top plate; 19. a drive motor; 20. a gear; 21. a toothed ring; 22. a sealing cover; 23. and a cylinder.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Example 1
The drying device, the recovery device and the heat exchanger are all arranged on the conveying device; the conveying device conveys the fuel, the drying device dries the fuel, and the recovery device recovers heat and steam in the conveying device;
the conveying device comprises a driving device, two groups of supports 1, two groups of bearings 2, a conveying roller 3 and a feeding pipe 4, wherein the bottom ends of the two groups of supports 1 are arranged at the top end of the driving device, the two groups of bearings 2 are sleeved on the conveying roller 3, the bottom ends of the two groups of bearings 2 are respectively connected with the top ends of the two groups of supports 1, the feeding pipe 4 is fixedly arranged at the top end of the driving device, and the right end of the feeding pipe 4 extends into the conveying roller 3 from the left end of the conveying roller 3;
the drying device comprises a spiral radiating fin 5 and an insulation can 6, the spiral radiating fin 5 is spirally arranged on the conveying roller 3, the insulation can 6 is rotatably arranged on the conveying roller 3, the bottom end of the insulation can 6 is fixedly arranged at the top end of the driving device, the insulation can 6 covers the spiral radiating fin 5, a smoke inlet pipe is arranged at the top end of the insulation can 6, and a smoke exhaust pipe is arranged at the bottom end of the insulation can 6;
pour the fuel into to carry the cylinder 3 in, adjust carry cylinder 3's inclination through drive arrangement, the rethread inlet pipe 4 is discharged the fuel to carry cylinder 3 in, rethread drive arrangement drives carry cylinder 3 rotatory, make carry cylinder 3 carry the fuel from left to right, simultaneously with flue gas by insulation can 6 advance the tobacco pipe and discharge to spiral fin 5 in, carry cylinder 3 and spiral fin 5 to heat through the flue gas, rethread carry cylinder 3 and spiral fin 5 pours the heat in the flue gas into to carry cylinder 3's inside, dry the fuel, later rethread insulation can 6's exhaust pipe discharges the flue gas, the fuel after the rethread conveyor's right-hand member will be dried is discharged, simultaneously collect heat and steam in the conveyor through recovery unit, and heat and steam through retrieving heat and steam heat water in the heat exchanger, thereby improve the practicality of equipment.
Example 2
The drying device, the recovery device and the heat exchanger are all arranged on the conveying device; the conveying device conveys the fuel, the drying device dries the fuel, and the recovery device recovers heat and steam in the conveying device;
the recycling device comprises an exhaust pump 7, an air suction pipe 8, an exhaust pipe 9, a dehumidification box 10 and a plurality of groups of baffle plates 11, wherein the bottom ends of the exhaust pump 7 and the dehumidification box 10 are respectively installed at the top end of the driving device, the left end of the exhaust pump 7 is provided with an air suction port, the front end of the exhaust pump 7 is provided with an air exhaust port, the right end of the air suction pipe 8 is connected with the air suction port of the exhaust pump 7, the left end of the air suction pipe 8 extends into the conveying roller 3 from the right end of the conveying roller 3, the bottom end of the air suction pipe 8 is provided with a plurality of groups of suction ports, the air exhaust port of the exhaust pump 7 at one end of the exhaust pipe 9 is connected, the other end of the exhaust pipe 9 and the interior of the dehumidification box 10 are respectively communicated with the interior of the heat exchanger, the left end of the dehumidification box 10 is provided with an exhaust port, the bottom at the front end of the dehumidification box 10 is provided with a drain valve, and the plurality of groups of baffle plates 11 are all installed in the dehumidification box 10;
pouring fuel into a conveying device, conveying the fuel from right to left through the conveying device, simultaneously discharging the flue gas into a drying device, drying the fuel in the conveying device through heat in the flue gas, discharging the dried fuel through the right end of the conveying device, simultaneously opening an exhaust pump 7, discharging gas and steam in a conveying roller 3 into a heat exchanger through an air suction pipe 8, introducing the heat in the gas and the steam into boiler moisturizing through the heat exchanger, heating the boiler moisturizing, then discharging the gas and the steam into a dehumidifying box 10, contacting the moisture in the gas and the steam with a plurality of groups of baffle plates 11, condensing on the plurality of groups of baffle plates 11 to form water drops, then discharging the gas through a discharge port of the dehumidifying box 10, and discharging the water in the dehumidifying box 10 for use through a drain valve of the dehumidifying box 10, thereby improving the practicability of the equipment.
As shown in fig. 1 to fig. 3, the system for drying fuel by using waste heat of flue gas of biomass boiler of the present invention, when in operation, firstly extends or contracts through the hydraulic cylinder 17, adjusts the inclination angle of the conveying roller 3, then opens the driving motor 19, and drives the conveying roller 3 to rotate through the meshing transmission of the gear 20 and the toothed ring 21, turns and conveys fuel, then pours fuel into the conveying roller 3, adjusts the inclination angle of the conveying roller 3 through the driving device, then discharges fuel into the conveying roller 3 through the feeding pipe 4, then contracts through the cylinder 23, covers the sealing cover 22 at the left end of the feeding pipe 4, reduces the loss of heat in the conveying roller 3, then drives the conveying roller 3 to rotate through the driving device, so that the conveying roller 3 conveys fuel from left to right, and simultaneously discharges flue gas into the spiral radiating fin 5 through the smoke inlet pipe of the thermal insulation box 6, the conveying roller 3 and the spiral radiating fins 5 are heated by smoke, heat in the smoke is poured into the conveying roller 3 through the conveying roller 3 and the spiral radiating fins 5 to dry the fuel, then the smoke is discharged through a smoke discharging pipe of the heat preservation box 6, the dried fuel is discharged through the right end of the conveying device, meanwhile, an exhaust pump 7 is opened, gas and steam in the conveying roller 3 are discharged into a heat exchanger through an air suction pipe 8, boiler water replenishing is discharged into a heat exchange pipe 13 through a water inlet valve 14, the heat in the gas and the steam is guided into the boiler water replenishing through the heat exchange pipe 13, then the boiler water replenishing in the heat exchange pipe 13 is discharged through a drain valve 15, the gas and the steam are discharged into a box 10, moisture in the gas and the dehumidifying steam contacts with a plurality of groups of baffle plates 11 and is condensed on the plurality of groups of baffle plates 11, after the water droplets are formed, the gas is discharged through the discharge port of the dehumidifying tank 10, and the water in the dehumidifying tank 10 is discharged through the drain valve of the dehumidifying tank 10 to be used as raw water.
The utility model discloses the main function who realizes does: drying the fuel by the conveying device and the drying device, recovering steam generated in the fuel drying process and residual steam after the fuel is dried, heating water supplemented to a boiler in the heat exchanger, and then recovering moisture in the steam.
The installation mode, the connection mode or the setting mode of the system for drying the fuel by using the waste heat of the flue gas of the biomass boiler is a common mechanical mode, and the system can be implemented as long as the beneficial effects of the system can be achieved; the utility model discloses a biomass boiler flue gas waste heat stoving fuel's system's air discharge pump 7, pneumatic cylinder 17, driving motor 19 and cylinder 23 are purchase on the market, and this industry technical staff only need according to its subsidiary service instruction install and operate can, and need not the technical staff in the field and pay out creative work.
All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A system for drying fuel by using waste heat of flue gas of a biomass boiler comprises a heat exchanger; the device is characterized by also comprising a conveying device, a drying device and a recovery device, wherein the drying device, the recovery device and the heat exchanger are all arranged on the conveying device; the conveying device conveys the fuel, the drying device dries the fuel, and the recovery device recovers heat and steam in the conveying device.
2. The system for drying the fuel by using the waste heat of the flue gas of the biomass boiler according to claim 1, wherein the conveying device comprises a driving device, two sets of supports (1), two sets of bearings (2), a conveying roller (3) and a feeding pipe (4), the bottom ends of the two sets of supports (1) are both installed at the top end of the driving device, the two sets of bearings (2) are both sleeved on the conveying roller (3), the bottom ends of the two sets of bearings (2) are respectively connected with the top ends of the two sets of supports (1), the feeding pipe (4) is fixedly installed at the top end of the driving device, and the right end of the feeding pipe (4) extends into the conveying roller (3) from the left end of the conveying roller (3).
3. The system for drying fuel by using waste heat of flue gas of a biomass boiler as claimed in claim 2, wherein the drying device comprises a spiral radiating fin (5) and an insulation can (6), the spiral radiating fin (5) is spirally mounted on the conveying roller (3), the insulation can (6) is rotatably mounted on the conveying roller (3), the bottom end of the insulation can (6) is fixedly mounted at the top end of the driving device, the insulation can (6) covers the spiral radiating fin (5), the top end of the insulation can (6) is provided with a smoke inlet pipe, and the bottom end of the insulation can (6) is provided with a smoke outlet pipe.
4. The system for drying fuel by using waste heat of flue gas of a biomass boiler as claimed in claim 2, wherein the recovery device comprises an exhaust pump (7), an air suction pipe (8), an exhaust pipe (9), a dehumidification box (10) and a plurality of sets of baffle plates (11), the bottom ends of the exhaust pump (7) and the dehumidification box (10) are both installed at the top end of the driving device, the left end of the exhaust pump (7) is provided with an air suction port, the front end of the exhaust pump (7) is provided with an exhaust port, the right end of the air suction pipe (8) is connected with the air suction port of the exhaust pump (7), the left end of the air suction pipe (8) extends into the conveying roller (3) from the right end of the conveying roller (3), the bottom end of the air suction pipe (8) is provided with a plurality of sets of suction ports, one end of the exhaust pipe (9) is connected with the exhaust port of the exhaust pump (7), the other end of the dehumidification box (9) and the interior of the dehumidification box (10) are both communicated with the interior of the heat exchanger, the left end of the dehumidification box (10) is provided with a discharge port, the bottom of the dehumidification box (10) is provided with a plurality of drain valve, and the plurality of sets of baffle plates (11) are all installed in the interior of the dehumidification box (10).
5. The system for drying the fuel by using the waste heat of the flue gas of the biomass boiler as recited in claim 2, wherein the heat exchanger comprises a heat exchange box (12), a heat exchange pipe (13), a water inlet valve (14) and a water discharge valve (15), the bottom end of the heat exchange box (12) is installed at the top end of the driving device, the heat exchange pipe (13) is installed inside the heat exchange box (12), the bottom ends of the water inlet valve (14) and the water discharge valve (15) are both connected with the top end of the heat exchange pipe (13), and the top ends of the water inlet valve (14) and the water discharge valve (15) are both extended out of the top end of the heat exchange box (12).
6. The system for drying the fuel by using the waste heat of the flue gas of the biomass boiler as recited in claim 2, wherein the driving device comprises a base (16), a hydraulic cylinder (17), a top plate (18), a driving motor (19), a gear (20) and a toothed ring (21), the right part of the bottom end of the top plate (18) is rotatably connected with the top end of the base (16), the bottom end of the hydraulic cylinder (17) is rotatably connected with the left part of the top end of the base (16), the top end of the hydraulic cylinder (17) is rotatably connected with the left part of the bottom end of the top plate (18), the bottom end of the driving motor (19) is connected with the top end of the top plate (18), the right end of the gear (20) is connected with the left end of the driving motor (19), the toothed ring (21) is sleeved on the conveying roller (3), and the top end of the gear (20) is meshed with the bottom end of the toothed ring (21).
7. The system for drying fuel by using waste heat of flue gas of a biomass boiler as claimed in claim 2, further comprising a sealing cover (22) and a cylinder (23), wherein the top of the right end of the sealing cover (22) is rotatably connected with the top of the left end of the feeding pipe (4), one end of the cylinder (23) is rotatably installed at the front end of the feeding pipe (4), and the other end of the cylinder (23) is rotatably installed at the front end of the sealing cover (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222314736.9U CN217979608U (en) | 2022-09-01 | 2022-09-01 | System for drying fuel by using waste heat of flue gas of biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222314736.9U CN217979608U (en) | 2022-09-01 | 2022-09-01 | System for drying fuel by using waste heat of flue gas of biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217979608U true CN217979608U (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222314736.9U Active CN217979608U (en) | 2022-09-01 | 2022-09-01 | System for drying fuel by using waste heat of flue gas of biomass boiler |
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| Country | Link |
|---|---|
| CN (1) | CN217979608U (en) |
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2022
- 2022-09-01 CN CN202222314736.9U patent/CN217979608U/en active Active
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Denomination of utility model: A system for drying fuel with waste heat from biomass boiler flue gas Effective date of registration: 20230829 Granted publication date: 20221206 Pledgee: Postal Savings Bank of China Limited Jinan Licheng District Sub-branch Pledgor: Shandong qingdahuizhong Clean Energy Technology Co.,Ltd. Registration number: Y2023980054204 |