CN219907801U - Novel pellet roasting equipment - Google Patents
Novel pellet roasting equipment Download PDFInfo
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- CN219907801U CN219907801U CN202321308631.0U CN202321308631U CN219907801U CN 219907801 U CN219907801 U CN 219907801U CN 202321308631 U CN202321308631 U CN 202321308631U CN 219907801 U CN219907801 U CN 219907801U
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- 239000008188 pellet Substances 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 49
- 239000000428 dust Substances 0.000 claims abstract description 38
- 238000007599 discharging Methods 0.000 claims abstract description 28
- 239000013590 bulk material Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000004064 recycling Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 41
- 238000001035 drying Methods 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 29
- 238000002791 soaking Methods 0.000 claims description 13
- 239000002390 adhesive tape Substances 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 9
- 230000023556 desulfurization Effects 0.000 claims description 9
- 230000001172 regenerating effect Effects 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 3
- 238000007605 air drying Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 12
- 239000002912 waste gas Substances 0.000 description 11
- 238000007664 blowing Methods 0.000 description 5
- 238000005453 pelletization Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002036 drum drying Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses novel pellet roasting equipment, which comprises a chain roasting machine, a green pellet distributing system, a bottom edge material paving system, a pellet hot air return cover group, a hot air circulation system, a discharging system and a dust bulk material recycling system, wherein the chain roasting machine is connected with the green pellet distributing system; the feeding end of the chain roasting machine is provided with a green pellet distributing system and a bottom edge material paving system, the top of the chain roasting machine is connected with a pellet return hot air cover group, the bottom of the chain roasting machine is provided with a dust bulk material recycling system, the discharging end of the chain roasting machine is provided with a discharging system, and the hot air circulating system is respectively connected with the pellet return hot air cover group and a process bellows. The utility model has simple structure and low manufacturing cost; the process links are few, the failure rate is low, and the production efficiency is high; the structure is compact, and the occupied area is small; the equipment has high safety and long service life; the operation energy consumption is low, the pollution emission is low, and the energy saving and emission reduction effects are good; the system construction investment is low.
Description
Technical Field
The utility model relates to the technical field of pellet roasting, in particular to novel pellet roasting equipment.
Background
At present, the production process for realizing roasting of pellets by modifying a chain grate machine does not appear internationally. The heat-resistant temperature of the heat-resistant piece of the existing chain grate machine can not bear the working condition of the pellet production process. The existing chain grate machine has low utilization coefficient, long pellet residence time, large heat loss and low energy utilization rate. The single-body equipment of the trolley-type roasting machine is heavy, the heat-resistant materials are used more, the running cost of the equipment is high, and the initial investment is high. The traditional chain grate machine-rotary kiln pellet process has more rotary kilns and annular coolers, complex process links, more fault points and low operation rate, and the refractory materials of the rotary kilns and the annular coolers are in contact with the pellets, so that the service life is short. Because the trolley wheels of the trolley type roasting machine are positioned in the external environment of the furnace body, the problem of air leakage due to the fact that the trolley is not tightly sealed exists. Compared with a chain grate machine in the chain grate machine-rotary kiln pellet, the chain grate machine is only used for drying and preheating raw pellets, the grate bed is in a high-temperature state after being discharged in a high-temperature area, and part of heat is gradually dissipated into the environment in the process of returning to a drying section, so that heat is wasted and the environment is polluted.
Disclosure of Invention
The utility model provides novel pellet roasting equipment for solving the problems.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the novel pellet roasting equipment comprises a chain roasting machine, a green pellet distributing system, a bottom edge material paving system, a pellet hot air return cover group, a hot air circulation system, a discharging system and a dust bulk material recycling system; the feeding end of the chain roasting machine is provided with a green pellet distributing system and a bottom edge material paving system, the top of the chain roasting machine is connected with a pellet return hot air cover group, the bottom of the chain roasting machine is provided with a dust bulk material recycling system, the discharging end of the chain roasting machine is provided with a discharging system, and the hot air circulating system is respectively connected with the pellet return hot air cover group and a process bellows; the chain roasting machine comprises a grate bed, a sealed bellows, a double-layer ash discharging valve and an ash box; the grate comprises a grate main body, and two sides of the grate main body are provided with grate side baffles with the height of 400-450 mm; the sealing bellows are positioned below the grate sealing piece and are fixedly connected with the grate sealing piece; two sides of the lower part of each sealing bellows are connected with double-layer ash discharging valves, and an ash box is arranged right below each sealing bellows; the pellet hot air return cover group comprises an air blast drying section upper cover, an air draft drying section upper cover, a preheating section upper cover, a baking section upper cover, a soaking section upper cover, a cooling 1 section upper cover and a cooling 2 section upper cover which are connected in sequence; the hot air return main pipe is communicated with the combustion chamber through a hot air return branch pipe, and a plurality of burners are arranged in the combustion chamber.
Further, the upper cover of the blast drying section, the upper cover of the air draft drying section, the upper cover of the preheating section, the upper cover of the soaking section, the upper cover of the cooling section 1 and the upper cover of the cooling section 2 are all fixedly arranged above the grate bed sealing member.
Further, the sealing bellows is fixedly arranged on the frame.
Further, the grate sealing member is in sliding sealing connection with the grate main body at the top.
Further, the raw ball distributing system comprises a raw ball belt conveyor, a wide belt conveyor, a roller distributor, a bulk material collecting hopper and a bulk material belt conveyor I which are sequentially arranged downwards.
Further, the bottom edge material paving system comprises a bottom edge material tape machine, a bottom edge material ore tank, a bottom edge material blanking chute, a bar valve and a sector valve; the lower part of the bottom edge material belt conveyor is provided with a bottom edge material ore tank, the lower part of the bottom edge material ore tank is connected with a bottom edge material blanking chute, and the bottom edge material blanking chute is provided with a bar valve and a sector valve.
Further, the hot air circulation system comprises a dry blowing fan, a dry blowing furnace cover dust remover, a furnace cover fan, a chimney, a hot air exchanging valve, a back heating fan, a main electric dust remover, a main exhaust fan, a desulfurization and denitrification system, a pneumatic conveying device and a cooling fan; the upper cover of the blast drying section, the pipeline five, the cover dust remover, the furnace cover fan and the chimney are connected in sequence, the blast drying furnace cover dust remover is connected with a pneumatic conveying device, the backheating air main pipe is connected with the pipeline five through the pipeline two, and the pipeline two is provided with a hot air exchanging valve; the cooling section 2 comprises an upper cover, a first pipeline, a drying blower, a sixth pipeline and a drying blower which are connected in sequence; the exhaust drying section, the low-temperature bellows of the preheating roasting section, the fourth pipeline, the main electric dust collector, the main exhaust fan and the desulfurization and denitrification system are sequentially connected, and the main electric dust collector is connected with a pneumatic conveying device; the high-temperature bellows of the preheating roasting section, the bellows of the soaking section, the pipeline seven, the regenerative fan, the pipeline three and the upper cover of the air draft drying section are connected in sequence; the cooling fan, the pipeline eight, the cooling section 1 and the cooling section 2 are connected in sequence.
Further, the discharging system comprises a discharging hopper, an electric feeding gate and a finished product tape machine which are connected downwards in sequence, the finished product tape machine is provided with a tail water spraying device, and the discharging hopper is connected with a chain roasting machine bag discharging end frame.
Further, the dust bulk material recovery system comprises a bulk material tape machine II and an electrohydraulic three-way distributor; the electro-hydraulic three-way distributor is connected below the bulk material adhesive tape machine II, and the lower part of the electro-hydraulic three-way distributor is connected with the finished product adhesive tape machine.
The utility model has the beneficial effects that:
(1) Simple structure and low manufacturing cost. The highest temperature of the heat-resistant member of the chain roasting machine is basically the same as that of the heat-resistant member of the trolley type belt roasting machine, and in order to protect the grate bed of the chain roasting machine and prevent the sticking materials, a bottom edge material paving facility is arranged in the system.
(2) The process links are few, the failure rate is low, and the production efficiency is high. The utility model cancels the rotary kiln and the circular cooler, only reserves the chain grate machine, reduces 2/3 of process links, reduces the failure rate of production line equipment to a certain extent, and greatly improves the production efficiency.
(3) Compact structure and small occupied area. Compared with the chain loop ball process, the rotary kiln and a loop cooler are saved, and the occupied area of the production line is greatly reduced.
(4) The equipment has high safety and long service life. The chain roasting machine running device has mature manufacturing process, long service life and convenient and quick replacement of spare parts.
(5) The energy consumption is small, the pollution emission is low, and the energy saving and emission reduction effects are good. Compared with a chain loop ball process, the rotary kiln, a ring cooler and related auxiliary equipment are saved, and the installed power of electric equipment is reduced, so that the running power consumption is reduced; compared with the process distance of a chain loop, the hot air return pipeline is greatly reduced, the heat loss of a host machine exposed in the environment is small, and the fuel consumption of unit pellets produced by the method is low.
(6) The system construction investment is low. On the premise of the same scale, the chain roasting machine has lower equipment investment, small civil engineering load and low civil engineering investment than the trolley roasting machine; compared with a chain loop process, the utility model can save investment of a rotary kiln, a ring cooler, auxiliary equipment and civil engineering, and the height of a chain roasting machine factory building can be reduced integrally, thereby saving the civil engineering investment.
(7) The trolley of the trolley type roasting machine in the prior art is replaced by a grate main body and a heightened grate side baffle; the grate main body completely runs in the hearth, so that the problem of air leakage between the grate and the grate sealing member is avoided, the energy is saved to a certain extent, and the environment in a workshop is effectively protected; the grate main body sequentially undergoes the process of heating to cooling in the whole process section, and the grate main body which enters the environment after discharging is basically in a normal temperature state, so that heat loss is avoided, and the environment is not polluted; the refractory material for the chain roasting machine system is in non-contact with the pellets, and has long service life and high system operation rate.
(8) The utility model has the advantages of less links of production equipment, less fault points, less maintenance and overhaul workload, less number of patrol or post workers and low factory production cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged partial view I of FIG. 1;
FIG. 3 is a second enlarged partial view of FIG. 1;
FIG. 4 is a partial enlarged view III of FIG. 1;
fig. 5 is a schematic view of the structure of the grate.
Wherein: 1. a green ball tape machine; 2. a wide tape machine; 3. a roller distributor; 4. a grate bed; 5. bulk material collecting hopper; 6. bulk material adhesive tape machine one; 7. a bottom edge material tape machine; 8. a bottom edge material ore tank; 9. a bottom rim charge blanking chute; 10. a bar valve; 11. a sector valve; 12. an upper cover of the blast drying section; 13. an air draft drying section upper cover; 14. preheating and roasting section upper cover; 15. a soaking section upper cover; 16. cooling the upper cover of the section 1; 17. cooling the 2-section upper cover; 18. sealing the bellows; 19. a first pipeline; 20. a drum drying fan; 21. a dust remover; 22. a furnace cover fan; 23. a chimney; 24. a backheating wind main pipe; 25. a second pipeline; 26. a hot air valve; 27. a regenerative fan; 28. a third pipeline; 29. a fourth pipeline; 30. a main electric dust collector; 31. a main exhaust fan; 32. a desulfurization and denitrification system; 33. pneumatic conveying device; 34. a burner; 35. a cooling fan; 36. a double-layer ash valve; 37. an ash box; 38. bulk material adhesive tape machine II; 39. a finished product adhesive tape machine; 40. electro-hydraulic three-way distributor; 41. a discharge hopper; 42. an electric feed gate; 43. tail water pumping device; 44. a grate main body; 45. a side baffle of the grate bed.
Detailed Description
Embodiments of the present utility model are further described below with reference to fig. 1-5.
The novel pellet roasting equipment comprises a chain roasting machine, a green pellet distributing system, a bottom edge material paving system, a pellet hot air return cover group, a hot air circulation system, a discharging system and a dust bulk material recycling system; the feeding end of the chain roasting machine is provided with a green pellet distributing system and a bottom edge material paving system, the top of the chain roasting machine is connected with a pellet return hot air cover group, the bottom of the chain roasting machine is provided with a dust bulk material recycling system, the discharging end of the chain roasting machine is provided with a discharging system, and the hot air circulating system is respectively connected with the pellet return hot air cover group and a process bellows.
The chain roasting machine comprises a grate bed 4, a sealing bellows 18, a double-layer ash discharge valve 36 and an ash box 37; the grate 4 comprises a grate main body 44, grate side baffles 45 with the height of 400-450mm are arranged on two sides of the grate main body 44, finished pellets with the thickness of 80-100mm are paved in the grate main body 44 and the grate side baffles 45, and green pellets are paved in the rest space; the sealing bellows 18 are positioned below the grate sealing member and fixedly connected with the grate sealing member, and the sealing bellows 18 are fixedly arranged on the frame; two sides of the lower part of each sealing bellows 18 are connected with double-layer ash discharge valves 36, and ash boxes 37 are arranged right below the sealing bellows 18. The grate seal is in sliding sealing connection with the grate body 44 at the top. The chain roasting machine sets gradually from the feed end to the discharge end: the device comprises a blast drying section, an induced draft drying section, a preheating section, a roasting section, a soaking section, a cooling section 1 and a cooling section 2.
The pellet hot air return cover group comprises an air blast drying section upper cover 12, an air draft drying section upper cover 13, a preheating section upper cover 14, a soaking section upper cover 15, a cooling 1 section upper cover 16 and a cooling 2 section upper cover 17 which are connected in sequence; the main regenerative air pipe 24 communicates with the combustion chamber through the branch regenerative air pipes, and a plurality of burners 34 are installed in the combustion chamber. The upper cover 12 of the blast drying section, the upper cover 13 of the induced draft drying section, the upper cover 14 of the preheating section, the upper cover 15 of the soaking section, the upper cover 16 of the cooling section 1 and the upper cover 17 of the cooling section 2 are all fixedly arranged above the grate bed sealing member.
The raw ball distributing system comprises a raw ball adhesive tape machine 1, a wide adhesive tape machine 2, a roller distributor 3, a bulk material collecting hopper 5 and a bulk material adhesive tape machine I6 which are sequentially arranged downwards. Raw balls are conveyed to a roasting chamber by a raw ball belt conveyor 1, the raw balls are uniformly arranged on a wide belt conveyor 2, the raw balls on the wide belt conveyor 2 are conveyed to a roller type distributing device 3, qualified raw balls are conveyed to a grate bed 4, and broken balls smaller than 5mm are conveyed to a pelletizing chamber through a bulk material collecting hopper 5 and a bulk material belt conveyor 6 to participate in pelletizing again.
The bottom edge material laying system comprises a bottom edge material tape machine 7, a bottom edge material ore tank 8, a bottom edge material blanking chute 9, a bar valve 10 and a sector valve 11; a bottom edge material ore tank 8 is arranged below the bottom edge material tape machine 7, the lower part of the bottom edge material ore tank 8 is connected with a bottom edge material blanking chute 9, and a bar valve 10 and a sector valve 11 are arranged on the bottom edge material blanking chute 9. Pellets with qualified granularity are transported to a bottom edge material ore tank 8 by a bottom edge material tape machine 7, and the pellets are uniformly distributed on the grate bed 4 from the bottom edge material ore tank 8 through a bottom edge material blanking chute 9, a bar valve 10 and a sector valve 11.
The hot air circulation system comprises a dry blast blower 20, a dry blast furnace hood dust remover 21, a furnace hood fan 22, a chimney 23, a hot blast valve 26, a backheating fan 27, a main electric dust collector 30, a main exhaust fan 31, a desulfurization and denitrification system 32, a pneumatic conveying device 33 and a cooling fan 35; the upper cover 12 of the blast drying section, the pipeline five, the cover dust remover 21, the furnace cover fan 22 and the chimney 23 are connected in sequence, the blast drying furnace cover dust remover 21 is connected with a pneumatic conveying device 33, the backheating air main pipe 24 is connected with the pipeline five through a pipeline two 25, and a hot air exchanging valve 26 is arranged on the pipeline two 25; the cooling section 2 upper cover 17, the first pipeline 19, the dry blowing fan 20, the sixth pipeline and the blast drying section bellows are connected in sequence; the exhaust drying section, the low-temperature bellows of the preheating roasting section, the fourth pipeline 29, the main electric dust collector 30, the main exhaust fan 31 and the desulfurization and denitrification system 32 are sequentially connected, and the main electric dust collector 30 is connected with a pneumatic conveying device 33; the high-temperature bellows of the preheating roasting section, the bellows of the soaking section, the seventh pipeline, the backheating fan 27, the third pipeline 28 and the upper cover 13 of the exhausting drying section are connected in sequence; the cooling fan 35, the pipeline eight, the cooling section 1 and the cooling section 2 are connected in sequence.
The discharging system comprises a discharging hopper 41, an electric feeding gate 42 and a finished product tape machine 39 which are sequentially connected downwards, a tail water-taking device 43 is arranged on the finished product tape machine 39, and the discharging hopper 41 is connected with a chain roasting machine bag discharging end frame.
The dust bulk recycling system comprises a bulk material tape machine II 38 and an electrohydraulic three-way distributor 40; an electro-hydraulic three-way distributor 40 is connected below the bulk material tape machine II 38, and the lower part of the electro-hydraulic three-way distributor 40 is connected with a finished product tape machine 39.
The hot air from the cooling 2 section is sent to the blast drying section bellows through a pipeline I19 and a blast drier 20, the hot air passes through the material layer from bottom to top, and the waste gas is collected by the blast drying section upper cover 12 and sent to the blast drier dust remover 21, the furnace cover fan 22 and the chimney 23 through a pipeline V for discharging. Because the moisture of the part of the waste gas is large, in order to ensure that the moisture of the waste gas in the dry-blowing furnace cover dust remover 21 is not condensed, a hot air exchanging system is considered to be arranged, and the hot air exchanging system consists of a second pipeline 25 and a hot air exchanging valve 26, wherein the second pipeline is led from a cooling 1-section hot air main pipe 24, so that the waste gas entering the dry-blowing furnace cover dust remover 21 is ensured not to be condensed.
Hot air from the soaking section, the preheating section and the roasting section is sent to an upper cover 13 of an air draft drying section by a backheating fan 27 and a third pipeline 28, the hot air passes through a material layer from top to bottom, waste gas is discharged outside by a fourth pipeline 29, a main electric dust collector 30, a main air draft fan 31 and a desulfurization and denitrification system 32, and dust is sent to a batching room by a pneumatic conveying device 33.
The hot air from the cooling 1 section is sent to the preheating section and the roasting section by a main pipe 24 of the regenerative air and then is divided into various areas by branch pipes. Considering that the atmosphere temperature of the preheating later section and the roasting section is higher than that of the cooling 1 section hot air, the burner 34 is arranged on the branch pipe to supplement heat, and the burner 34 is independently controlled according to the process requirement of the preheating section, so that the hot air supply temperature is ensured. The hot air from the branch pipe passes through the material layer from top to bottom, the temperature of the waste gas in the preheating section and the roasting front section is lower, the waste gas has no reuse value, and the part of the waste gas and the waste gas in the exhaust drying section are discharged outside through a pipeline IV 29, a main electric dust collector 30, a main exhaust fan 31 and a desulfurization and denitrification system 32. The waste gas in the roasting later stage is sent to the upper cover 13 of the induced draft drying section for recycling through a third pipeline 28 and a regenerative fan 27.
The hot air from the cooling section 1 directly enters the upper cover 15 of the soaking section, the part of hot air does not need to be reheated, the hot air passes through the material layer from top to bottom, and the waste gas of the roasting rear section are sent to the upper cover 13 of the induced draft drying section through the third pipeline 28 and the backheating fan 27 for recycling.
The cooling section 1 and the cooling section 2 share 1 cooling fan 35, and cold air passes through the material layer from bottom to top to respectively bring the heat of the pellets to the preheating section, the roasting section and the blast drying section.
Bulk materials generated in the chain roasting process are delivered to a bulk material tape machine II 38 through a double-layer ash unloading valve 36 and an ash box 37 to a finished product tape machine 39, and in order to ensure that dust bulk materials are delivered to the two finished product tape machines 39 (one process and one standby), an electrohydraulic three-way distributor 40 is arranged at the funnel at the head part of the bulk material tape machine II 38, so that the delivery relation can be switched timely.
The cooled pellets are delivered to the finished product tape machine 39 through a discharge hopper 41 and an electric feeding gate 42, and in order to prevent the finished product tape machine 39 from being burnt out by the pellets which are not cooled, the system is provided with two finished product tape machines 39 (one for each time) besides a tail water pumping device 43.
Investment comparison table (150 ten thousand tons/year)
On the premise of the same scale, the chain roasting machine has lower equipment investment, small civil engineering load and low civil engineering investment than the trolley roasting machine; compared with a chain loop process, the utility model can save investment of a rotary kiln, a ring cooler, auxiliary equipment and civil engineering, and the height of a chain roasting machine factory building can be reduced integrally, thereby saving the civil engineering investment.
The present utility model is not limited to the above-mentioned embodiments, but any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed equally within the scope of the present utility model.
Claims (9)
1. The novel pellet roasting equipment is characterized by comprising a chain roasting machine, a green pellet distributing system, a bottom edge material paving system, a pellet hot air return cover group, a hot air circulation system, a discharging system and a dust bulk material recycling system; the feeding end of the chain roasting machine is provided with a green pellet distributing system and a bottom edge material paving system, the top of the chain roasting machine is connected with a pellet return hot air cover group, the bottom of the chain roasting machine is provided with a dust bulk material recycling system, the discharging end of the chain roasting machine is provided with a discharging system, and the hot air circulating system is respectively connected with the pellet return hot air cover group and a process bellows;
the chain roasting machine comprises a grate bed (4), a sealing bellows (18), a double-layer ash discharge valve (36) and an ash box (37); the grate (4) comprises a grate main body (44), and grate side baffles (45) with the height of 400-450mm are arranged on both sides of the grate main body (44); a plurality of sealing bellows (18) are positioned below the grate sealing member and are fixedly connected with the grate sealing member; two sides of the lower part of each sealing bellows (18) are connected with double-layer ash discharge valves (36), and an ash box (37) is arranged right below each sealing bellows (18);
the pellet hot air return cover group comprises an air blast drying section upper cover (12), an air draft drying section upper cover (13), a preheating section upper cover (14), a soaking section upper cover (15), a cooling 1 section upper cover (16) and a cooling 2 section upper cover (17) which are connected in sequence; the backheating air main pipe (24) is communicated with the combustion chamber through a backheating air branch pipe, and a plurality of burners (34) are arranged in the combustion chamber.
2. The novel pellet roasting equipment according to claim 1, wherein the blast drying section upper cover (12), the induced draft drying section upper cover (13), the preheating and roasting section upper cover (14), the soaking section upper cover (15), the cooling 1 section upper cover (16) and the cooling 2 section upper cover (17) are fixedly arranged above the grate bed sealing member.
3. The novel pellet firing equipment according to claim 1, characterized in that the sealing bellows (18) is fixedly mounted on the frame.
4. The novel pellet firing equipment of claim 1, wherein the grate seal is in sliding sealing connection with the top grate body (44).
5. The novel pellet roasting equipment according to claim 1, wherein the green pellet distributing system comprises a green pellet tape machine (1), a wide tape machine (2), a roller distributor (3), a bulk material collecting hopper (5) and a bulk material tape machine I (6) which are sequentially arranged downwards.
6. The novel pellet roasting equipment according to claim 1, wherein the bottom edge laying system comprises a bottom edge material tape machine (7), a bottom edge material ore tank (8), a bottom edge material blanking chute (9), a bar valve (10) and a sector valve (11); the lower part of the bottom edge material belt conveyor (7) is provided with a bottom edge material ore tank (8), the lower part of the bottom edge material ore tank (8) is connected with a bottom edge material blanking chute (9), and a bar valve (10) and a sector valve (11) are arranged on the bottom edge material blanking chute (9).
7. The novel pellet roasting equipment according to claim 1, wherein the hot air circulation system comprises a dry blast fan (20), a dry blast furnace hood dust remover (21), a furnace hood fan (22), a chimney (23), a hot blast valve (26), a back heating fan (27), a main electric dust collector (30), a main exhaust fan (31), a desulfurization and denitrification system (32), a pneumatic conveying device (33) and a cooling fan (35); the blast drying section upper cover (12), the pipeline five, the cover dust remover (21), the furnace cover fan (22) and the chimney (23) are sequentially connected, the blast drying furnace cover dust remover (21) is connected with the pneumatic conveying device (33), the backheating air main pipe (24) is connected with the pipeline five through the pipeline two (25), and the pipeline two (25) is provided with the hot air exchanging valve (26); the cooling section 2 upper cover (17), the first pipeline (19), the air blower (20), the sixth pipeline and the air box of the air drying section are connected in sequence; the exhaust drying section, the low-temperature bellows of the preheating roasting section, a fourth pipeline (29), a main electric dust collector (30), a main exhaust fan (31) and a desulfurization and denitrification system (32) are sequentially connected, and the main electric dust collector (30) is connected with a pneumatic conveying device (33); the preheating roasting section high-temperature bellows, the soaking section bellows, the pipeline seven, the regenerative fan (27), the pipeline III (28) and the exhaust drying section upper cover (13) are connected in sequence; the cooling fan (35), the pipeline eight, the cooling section 1 and the cooling section 2 are connected in sequence.
8. The novel pellet roasting equipment according to claim 1, wherein the discharging system comprises a discharging hopper (41), an electric feeding gate (42) and a finished product tape machine (39) which are connected downwards in sequence, a tail water spraying device (43) is arranged on the finished product tape machine (39), and the discharging hopper (41) is connected with a chain roasting machine bag discharging end frame.
9. The novel pellet firing equipment according to claim 8, wherein the dust bulk recovery system comprises a bulk tape machine two (38) and an electrohydraulic three-way distributor (40); the electro-hydraulic three-way distributor (40) is connected below the bulk material adhesive tape machine II (38), and the lower part of the electro-hydraulic three-way distributor (40) is connected with the finished product adhesive tape machine (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308631.0U CN219907801U (en) | 2023-05-26 | 2023-05-26 | Novel pellet roasting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321308631.0U CN219907801U (en) | 2023-05-26 | 2023-05-26 | Novel pellet roasting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219907801U true CN219907801U (en) | 2023-10-27 |
Family
ID=88425522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321308631.0U Active CN219907801U (en) | 2023-05-26 | 2023-05-26 | Novel pellet roasting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219907801U (en) |
-
2023
- 2023-05-26 CN CN202321308631.0U patent/CN219907801U/en active Active
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