CN221279489U - Feeding device for heating pulverized coal of asphalt mixing station - Google Patents
Feeding device for heating pulverized coal of asphalt mixing station Download PDFInfo
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- CN221279489U CN221279489U CN202323071396.2U CN202323071396U CN221279489U CN 221279489 U CN221279489 U CN 221279489U CN 202323071396 U CN202323071396 U CN 202323071396U CN 221279489 U CN221279489 U CN 221279489U
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- heating
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- 238000002156 mixing Methods 0.000 title claims abstract description 92
- 239000003245 coal Substances 0.000 title claims abstract description 84
- 238000010438 heat treatment Methods 0.000 title claims abstract description 77
- 239000010426 asphalt Substances 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 238000011282 treatment Methods 0.000 claims abstract description 60
- 239000002817 coal dust Substances 0.000 claims abstract description 51
- 238000004321 preservation Methods 0.000 claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims description 75
- 239000007789 gas Substances 0.000 claims description 70
- 238000003756 stirring Methods 0.000 claims description 53
- 239000002912 waste gas Substances 0.000 claims description 51
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 238000000227 grinding Methods 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 23
- 239000000843 powder Substances 0.000 claims description 23
- 239000000243 solution Substances 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 16
- 238000012216 screening Methods 0.000 claims description 14
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical class [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical class [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 11
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 5
- 239000003034 coal gas Substances 0.000 description 5
- 239000010459 dolomite Substances 0.000 description 5
- 229910000514 dolomite Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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- Road Paving Machines (AREA)
Abstract
A feeding device for heating pulverized coal of an asphalt mixing station belongs to the technical field of mechanical engineering. Including coal dust treatment mechanism, exhaust-gas treatment mechanism and coal dust heating mechanism, exhaust-gas treatment mechanism fixes on coal dust heating mechanism and communicates with coal dust heating mechanism, and coal dust treatment mechanism sets up in coal dust heating mechanism one side, and the casing upper end of coal dust treatment mechanism opens there is the door, and casing one side wall is equipped with the heat preservation cover outward, is equipped with the air current passageway between casing one and the heat preservation cover, and the air outlet end and the inlet end of air current passageway pass the heat preservation cover, air current passageway inlet end and coal dust heating mechanism intercommunication, air current passageway outlet end and exhaust-gas treatment mechanism intercommunication, coal dust treatment mechanism lower extreme and coal dust heating mechanism lower extreme intercommunication. The utility model can solve the problems of low heating efficiency and low heat utilization rate of the existing feeding device for heating the pulverized coal.
Description
Technical Field
The utility model belongs to the technical field of mechanical engineering, and particularly relates to a feeding device for heating pulverized coal of an asphalt mixing station.
Background
The asphalt mixing station adopts coal powder for heating, so that the working efficiency of the asphalt mixing station can be improved, the heating efficiency of the coal powder is related to metal impurities in the coal powder and the particle size of the coal powder, and the heating efficiency of the coal powder can be influenced by excessive metal impurities mixed in the coal powder. Too large particles of coal fines can cause insufficient combustion of the coal fines during the heating process to affect heating efficiency. The following problems exist in the prior feeding device for heating the pulverized coal: 1. because the pulverized coal is not subjected to crushing, grinding and other treatments before being combusted, excessive metal impurities are mixed in the pulverized coal, the particles of the pulverized coal are too large, and part of the pulverized coal is insufficiently combusted in a combustion chamber, so that the heating efficiency of the pulverized coal can be influenced; 2. because a large amount of waste gas can be produced when the pulverized coal is combusted, the waste gas produced when the pulverized coal is combusted directly passes through the waste gas filtering device to be subjected to waste gas treatment, carbon monoxide in the waste gas is not only recycled, but also part of waste heat can be taken away when the waste gas is discharged, the part of waste heat is also not fully utilized, and the heat utilization rate of the pulverized coal can be reduced, so that the working efficiency of the asphalt mixing station is affected. Therefore, improvements to existing pulverized coal heating feeders are needed.
Disclosure of utility model
The utility model aims to provide a feeding device for heating coal dust of an asphalt mixing station, which is used for solving the problems of low heating efficiency and low heat utilization rate of the conventional feeding device for heating coal dust.
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a pitch mixing station buggy heating is with throwing material device, includes coal powder processing mechanism, exhaust-gas treatment mechanism and buggy heating mechanism, exhaust-gas treatment mechanism fix on buggy heating mechanism and with buggy heating mechanism intercommunication, buggy processing mechanism sets up in buggy heating mechanism one side, and the casing upper end of buggy processing mechanism opens there is the door, is equipped with the heat preservation cover outside the casing side wall, is equipped with the air current passageway between casing one and the heat preservation cover, and the end of giving vent to anger and the inlet end of air current passageway pass the heat preservation cover, air current passageway inlet end and buggy heating mechanism intercommunication, air current passageway outlet end and exhaust-gas treatment mechanism intercommunication, buggy processing mechanism lower extreme and buggy heating mechanism lower extreme intercommunication.
Further, the pulverized coal processing mechanism comprises a first shell, a crushing and grinding unit, a vibration screening unit, a stirring unit and a feeding unit, wherein the first shell is a cylindrical cavity, a feeding hole is formed in the upper end face of the first shell, a feeding hole is formed in the side wall of the first shell, a discharging hole is formed in the lower end of the side wall of the first shell, and the crushing and grinding unit, the vibration screening unit, the stirring unit and the feeding unit are sequentially arranged in the first shell from top to bottom.
Further, the crushing and grinding unit comprises a first motor, two crushing rollers, a blanking plate, two grinding rollers and a second motor, wherein the two crushing rollers are horizontally arranged in the feed inlet in parallel, two ends of each crushing roller are rotationally connected with the side wall of the feed inlet, a plurality of groups of crushing blades are arranged on the outer side surface of each crushing roller, the crushing blades on the two crushing rollers are meshed with each other, the first motor is fixed at the upper end of the shell, and an output shaft of the first motor is fixedly connected with one of the crushing rollers; the blanking plate slope sets up in two crushing roller below, blanking plate upper end and an inner wall fixed connection of casing are equipped with the unloading passageway between blanking plate lower extreme and an inner wall of casing, and two grinding roller levels paste mutually and set up the below at the one end of blanking plate downward sloping side by side, and two grinding roller both ends are connected with casing lateral wall rotation, and the second motor is fixed on an lateral wall of casing, second motor output shaft and one of them grinding roller fixed connection.
Further, vibration screening unit includes first screen cloth, second screen cloth, vibrator and metal adsorption net, and first screen cloth, second screen cloth and metal adsorption net top-down set gradually, and the mesh number of second screen cloth is greater than the mesh number of first screen cloth, the vibrator is fixed at second screen cloth lower surface, and first screen cloth and second screen cloth pass through connecting rod fixed connection, and first screen cloth, second screen cloth and metal adsorption net periphery all with an inner wall fixed connection of casing.
Further, the stirring unit comprises a third motor, a transmission shaft, two expansion plates, a charging plate, two telescopic cylinders and two stirring components, wherein the third motor is fixed in the middle of the inner bottom surface of the shell, an output shaft of the third motor is fixedly connected with the lower end of the vertically arranged transmission shaft, the upper end of the transmission shaft is fixedly connected with the lower surface of the metal adsorption net through a bearing, the two stirring components are fixedly connected with the transmission shaft, two expansion plates are arranged below the two stirring components, each expansion plate comprises a fixed plate and a sliding plate, a sliding rail is arranged on the fixed plate, the fixed plate is fixedly connected with the inner side wall of the shell, the sliding plate is in sliding connection with the fixed plate through the sliding rail, and the transmission shaft penetrates through the center of a round surface formed by the two sliding plates; two telescopic cylinders are respectively symmetrically fixed on the outer side wall of the shell, the other ends of the cylinder rods of the two telescopic cylinders are respectively connected with the lower surface of the corresponding sliding plate in a fixed mode, a slide way is horizontally arranged on the inner side wall of the shell along the circumferential direction, the stirring assembly comprises two connecting shafts and two blades, the two connecting shafts are coaxially arranged, one ends of the connecting shafts are fixedly connected with the transmission shaft, the other ends of the connecting shafts are provided with sliding blocks, the sliding blocks are slidably connected with the slide way, the two blades are symmetrically arranged on the connecting shafts, the outer edges of the blades are toothed, the feeding plate is obliquely arranged below the feeding opening, the upper end of the feeding plate is fixedly connected with the inner wall of the shell, and a feeding channel is formed in the feeding plate.
Further, the feeding unit comprises a material guiding plate and a conveying pipeline, wherein the material guiding plate is obliquely fixed on the inner wall of the shell below the telescopic plate, a through hole is formed in the material guiding plate, a transmission shaft penetrates through the through hole, one end of the material guiding plate which is inclined downwards is located below the discharge hole, one end of the conveying pipeline is communicated with the discharge hole, the other end of the conveying pipeline is communicated with the coal powder heating mechanism, a conveying dragon is arranged in the conveying pipeline, and a driving mechanism is externally connected with the conveying dragon.
Further, the waste gas treatment mechanism comprises a first reaction tank, a second reaction tank, a gas mixing chamber, a blower, an air inlet pipeline, three communicating pipes and a waste gas treatment chamber, wherein the three communicating pipes are respectively a first communicating pipe, a second communicating pipe and a second communicating pipe, the first reaction tank, the second reaction tank, the gas mixing chamber and the waste gas treatment chamber are all arranged in a sealing mode and are sequentially fixed on the upper end face of the coal powder heating mechanism, saturated sodium hydroxide solution is added in the first reaction tank, saturated sodium carbonate solution is added in the second reaction tank, one end of the air inlet pipeline is arranged in the saturated sodium hydroxide solution of the first reaction tank, an air outlet of the first reaction tank is communicated with the first communicating pipe, one end of the first communicating pipe is arranged above the saturated sodium hydroxide solution of the first reaction tank, the other end of the first communicating pipe is arranged in the saturated sodium carbonate solution of the second reaction tank through an air inlet of the second reaction tank, an air outlet of the second reaction tank is communicated with one end of the second communicating pipe, one end of the second communicating pipe is arranged above the saturated sodium carbonate solution, the other end of the second communicating pipe is arranged in the gas mixing chamber, a first air outlet and an air outlet of the second outlet are arranged in the gas mixing chamber, one end of the second communicating pipe is communicated with a conveying pipe and the second communicating pipe is communicated with the third communicating pipe through a conveying valve, and a third communicating pipe is arranged on the heating mechanism; the air blower is fixed on the upper end surface of the gas mixing chamber and communicated with the gas mixing chamber.
Further, the pulverized coal heating mechanism comprises a second shell, a storage chamber, a gas mixing chamber, an exhaust pipeline and a combustion chamber, wherein the second shell, the storage chamber, the gas mixing chamber and the combustion chamber are cylindrical cavities, the storage chamber, the gas mixing chamber and the combustion chamber are sequentially arranged in the second shell, a conveying port is formed in the side wall of the storage chamber, the other end of the conveying pipeline penetrates through the second shell and is communicated with the storage chamber through the conveying port in the side wall of the storage chamber, the storage chamber is communicated with the gas mixing chamber, the gas mixing chamber is communicated with the combustion chamber, the top end of the combustion chamber is provided with an air inlet, the other end of the conveying pipeline penetrates through the second shell and is communicated with the combustion chamber through the air inlet in the upper end of the combustion chamber, one end of the exhaust pipeline is communicated with the air outlet in the side wall of the combustion chamber, the other end of the exhaust pipeline penetrates through the second shell and is communicated with the air inlet end of the air flow channel, a switching valve III is arranged on the other end of the exhaust pipeline, a connecting pipe is communicated with the air inlet, a switching valve IV is arranged on the connecting pipe, a feeding port is correspondingly formed in the bottom end of the second shell and the combustion chamber, the feeding port is communicated with the feeding port of a cylinder of the asphalt mixing station, the feeding port is arranged in the storage chamber, the storage chamber is communicated with the feeding port, the feeding port is arranged in the storage chamber, the lifting device is communicated with the feeding device, and the lifting device is communicated with the feeding device.
Further, a mixing stirring bin is arranged in the gas mixing chamber, nozzles are correspondingly arranged on the side walls of the mixing stirring bin, the gas mixing chamber and the combustion chamber, a stirring device is arranged in the mixing stirring bin, the nozzles on the side walls of the mixing stirring bin are communicated with a spraying device, the spraying device is fixed on the side wall in the gas mixing chamber, a nozzle is arranged at the front end of the spraying device, and the nozzle penetrates through the nozzles on the side walls of the gas mixing chamber and the combustion chamber and stretches into the combustion chamber.
Further, a plurality of oil gun nozzles are arranged at the top end in the combustion chamber, the oil gun nozzles are externally connected with an oil injection device, and a spoiler is arranged on the circumference of the inner side wall of the combustion chamber.
The beneficial effects of the utility model are as follows:
1. according to the feeding device for heating the coal dust of the asphalt mixing station, due to the arrangement of the coal dust treatment mechanism, crushing, grinding, vibration screening and stirring treatment can be carried out on the coal dust, so that the metal impurity content in the coal dust is further reduced, the size of coal dust particles suitable for combustion is screened, and the heating efficiency of coal dust combustion is improved.
2. According to the feeding device for heating the pulverized coal in the asphalt mixing station, the waste gas treatment mechanism is arranged, so that the waste gas generated by pulverized coal combustion can be filtered successively, and after part of the gas in the waste gas is filtered, the residual carbon monoxide in the waste gas is mixed with air and then enters the combustion chamber again for full combustion, and the heating efficiency of pulverized coal combustion is improved.
3. According to the feeding device for heating the coal dust of the asphalt mixing station, as the airflow channel is arranged between the outer side wall of the shell body of the coal dust treatment mechanism and the heat insulation cover, the coal dust heating mechanism is communicated with the airflow channel, waste gas generated by coal dust combustion passes through the airflow channel and then passes through the waste gas treatment mechanism, when the waste gas passes through the airflow channel, waste heat generated by the waste gas can circulate between the shell body of the coal dust treatment mechanism and the heat insulation cover and transfer heat into the shell body, the coal dust in the stirring process is dried, and coal dust combustion and agglomeration are prevented, so that the heating efficiency and the heat utilization rate of coal dust combustion are improved.
4. According to the feeding device for heating the coal dust of the asphalt mixing station, as the coal dust treatment mechanism is provided with the feed inlet, limestone or dolomite is added into the coal dust treatment mechanism through the feed inlet in the process of stirring and drying the coal dust, and the limestone or dolomite can react with sulfur dioxide in waste gas to form precipitate when the coal dust is combusted, so that the emission of polluted gas is reduced.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a right side view of the coal dust treatment mechanism;
FIG. 3 is a left side view of the coal dust treatment mechanism;
FIG. 4 is a schematic view of the structure of the air flow channel;
FIG. 5 is a cross-sectional view of the coal dust treatment mechanism;
FIG. 6 is an enlarged view at A of FIG. 5;
FIG. 7 is a cross-sectional view of an exhaust treatment mechanism;
Fig. 8 is a cross-sectional view of the pulverized coal heating means.
The component names and reference numerals referred to in the above figures are as follows:
The device comprises a first shell 1, an airflow channel 2, a feed inlet 3, a feed inlet 4, a discharge outlet 5, a first motor 6, a crushing roller 7, a blanking plate 8, a grinding roller 9, a second motor 10, a crushing blade 11, a first screen 12, a second screen 13, a vibrator 14, a metal adsorption net 15, a connecting rod 16, a third motor 17, a transmission shaft 18, a telescopic plate 19, a feed plate 20, a slideway 21, a connecting shaft 22, a blade 23, a sliding block 24, a guide plate 25, a conveying pipeline 26, a conveying screw 27, a first reaction tank 28, a second reaction tank 29, a gas mixing chamber 30, a blower 31, an air inlet pipeline 32, a communicating pipe 33, a waste gas disposal chamber 34, a first gas outlet 35, a second gas outlet 36, a conveying pipe 37, a first switching valve 38, a second switching valve 39, a shell second 40, a storage chamber 41, a gas mixing chamber 42, a gas exhaust pipeline 43, a combustion chamber 44, a conveying inlet 45, a gas inlet 46, a gas outlet 47, switching valves three 48, 49, a switching valve fourth 50, a feeding inlet 51, a conveying port 52, a lifting conveying device 53, a mixing stirring device 54, a stirring device 55, a stirring device 58, a nozzle 60, a telescopic air cylinder cover 60, a heat-insulating device.
Detailed Description
The present utility model will be described in detail below with reference to the drawings and the specific embodiments thereof in order to make the objects, technical solutions and advantages of the present utility model more apparent.
The first embodiment is as follows: as shown in fig. 1-4, this embodiment describes a feeding device for heating pulverized coal in an asphalt mixing station, which comprises a pulverized coal treatment mechanism, an exhaust gas treatment mechanism and a pulverized coal heating mechanism, wherein the exhaust gas treatment mechanism is fixed on the pulverized coal heating mechanism and is communicated with the pulverized coal heating mechanism, the pulverized coal treatment mechanism is arranged on one side of the pulverized coal heating mechanism, a door 61 is arranged at the upper end of a first side wall of a first shell 1 of the pulverized coal treatment mechanism, a heat preservation cover 63 is arranged outside the first side wall of the first shell 1, an air flow channel 2 is arranged between the first shell 1 and the heat preservation cover 63, an air outlet end and an air inlet end of the air flow channel 2 penetrate through the heat preservation cover 63, the air inlet end of the air flow channel 2 is communicated with the pulverized coal heating mechanism, the air outlet end of the air flow channel 2 is communicated with the exhaust gas treatment mechanism, and the lower end of the pulverized coal treatment mechanism is communicated with the lower end of the pulverized coal heating mechanism.
The air flow channel 2 is spiral.
Further, the pulverized coal treatment mechanism comprises a first shell 1, a crushing and grinding unit, a vibration screening unit, a stirring unit and a feeding unit, wherein the first shell 1 is a cylindrical cavity, a feeding hole 3 is formed in the upper end face of the first shell 1, a feeding hole 4 is formed in the side wall of the first shell 1, a discharging hole 5 is formed in the lower end of the side wall of the first shell 1, and the crushing and grinding unit, the vibration screening unit, the stirring unit and the feeding unit are sequentially arranged in the first shell 1 from top to bottom.
Further, the crushing and grinding unit comprises a first motor 6, two crushing rollers 7, a blanking plate 8, two grinding rollers 9 and a second motor 10, wherein the two crushing rollers 7 are horizontally arranged in the feed inlet 3 in parallel, two ends of the two crushing rollers 7 are rotationally connected with the side wall of the feed inlet 3, a plurality of groups of crushing blades 11 are arranged on the outer side surface of each crushing roller 7, the crushing blades 11 on the two crushing rollers 7 are meshed, the first motor 6 is fixed at the upper end of the first shell 1, and an output shaft of the first motor 6 is fixedly connected with one of the crushing rollers 7; the blanking plate 8 is obliquely arranged below the two crushing rollers 7, the upper end of the blanking plate 8 is fixedly connected with the inner wall of the first shell 1, a blanking channel is arranged between the lower end of the blanking plate 8 and the inner wall of the first shell 1, the two grinding rollers 9 are horizontally arranged in parallel and oppositely arranged below one end of the blanking plate 8, two ends of the two grinding rollers 9 are rotatably connected with the side wall of the first shell 1, the second motor 10 is fixed on the outer side wall of the first shell 1, and the output shaft of the second motor 10 is fixedly connected with one of the grinding rollers 9.
Further, the vibration screening unit comprises a first screen 12, a second screen 13, a vibrator 14 and a metal adsorption net 15, wherein the first screen 12, the second screen 13 and the metal adsorption net 15 are sequentially arranged from top to bottom, the mesh number of the second screen 13 is larger than that of the first screen 12, the vibrator 14 is fixed on the lower surface of the second screen 13, the first screen 12 and the second screen 13 are fixedly connected through a connecting rod 16, and the first screen 12, the second screen 13 and the metal adsorption net 15 are fixedly connected with the inner wall of the first shell 1 at the outer Zhou Jun.
Further, the stirring unit comprises a third motor 17, a transmission shaft 18, two telescopic plates 19, a charging plate 20, two telescopic cylinders 62 and two stirring components, wherein the third motor 17 is fixed in the middle of the inner bottom surface of the first shell 1, an output shaft of the third motor 17 is fixedly connected with the lower end of the vertically arranged transmission shaft 18, the upper end of the transmission shaft 18 is fixedly connected with the lower surface of the metal adsorption net 15 through a bearing, the two stirring components are fixedly connected with the transmission shaft 18, two telescopic plates 19 are arranged below the two stirring components, each telescopic plate 19 comprises a fixed plate and a sliding plate, a sliding rail is arranged on the fixed plate, the fixed plate is fixedly connected with the inner side wall of the first shell 1, the sliding plate is in sliding connection with the fixed plate through the sliding rail, and the transmission shaft 18 penetrates through the center of a round surface formed by the two sliding plates; the two telescopic cylinders 62 are symmetrically fixed on the outer side wall of the first shell 1 respectively, the other ends of the cylinder rods of the two telescopic cylinders 62 are fixedly connected with the lower surfaces of the corresponding sliding plates respectively, the sliding way 21 is horizontally arranged on the inner side wall of the first shell 1 along the circumferential direction, the stirring assembly comprises two connecting shafts 22 and two blades 23, the two connecting shafts 22 are coaxially arranged, one ends of the connecting shafts 22 are fixedly connected with the transmission shaft 18, the other ends of the connecting shafts 22 are provided with sliding blocks 24, the sliding blocks 24 are slidably connected with the sliding way 21, the two blades 23 are symmetrically arranged on the connecting shafts 22, the outer edges of the blades 23 are toothed, the feeding plate 20 is obliquely arranged below the feeding opening 4, the upper ends of the feeding plate 20 are fixedly connected with the inner wall of the first shell 1, and feeding channels are formed in the feeding plate 20.
Further, the feeding unit comprises a material guiding plate 25 and a conveying pipeline 26, wherein the material guiding plate 25 is obliquely fixed on the inner wall of the first shell 1 below the telescopic plate 19, the material guiding plate 25 is provided with a through hole, the transmission shaft 18 penetrates through the through hole, one end of the material guiding plate 25 which is inclined downwards is positioned below the discharge hole 5, one end of the conveying pipeline 26 is communicated with the discharge hole 5, the other end of the conveying pipeline 26 is communicated with the coal powder heating mechanism, a conveying dragon 27 is arranged in the conveying pipeline 26, and the conveying dragon 27 is externally connected with a driving mechanism.
Further, the waste gas treatment mechanism comprises a first reaction tank 28, a second reaction tank 29, a gas mixing chamber 30, a blower 31, an air inlet pipeline 32, three communicating pipes 33 and a waste gas treatment chamber 34, wherein the three communicating pipes 33 are respectively a first communicating pipe, a second communicating pipe and a second communicating pipe, the first reaction tank 28, the second reaction tank 29, the gas mixing chamber 30 and the waste gas treatment chamber 34 are all arranged in a sealing manner and are sequentially fixed on the upper end face of the coal dust heating mechanism, saturated sodium hydroxide solution is added in the first reaction tank 28, saturated sodium carbonate solution is added in the second reaction tank 29, one end of the air inlet pipeline 32 is arranged in the saturated sodium hydroxide solution of the first reaction tank 28, the air outlet of the first reaction tank 28 is communicated with the first communicating pipe, one end of the first communicating pipe 33 is arranged above the saturated sodium hydroxide solution of the first reaction tank 28, the other end of the first communicating pipe 33 is arranged in the saturated sodium carbonate solution of the second reaction tank 29, the air outlet of the second reaction tank 29 is communicated with one end of the second communicating pipe 33, one end of the second communicating pipe is arranged above the saturated sodium carbonate solution, the other end of the second communicating pipe 29 is arranged in the second communicating pipe 33, the other end of the second communicating pipe is arranged in the gas mixing chamber 30 and is communicated with the air outlet of the third communicating pipe 37, the third communicating pipe 37 is communicated with the air outlet of the third communicating pipe 37 is communicated with the third communicating pipe 37, and the air outlet of the third communicating pipe 33 is communicated with the air outlet chamber 37, and the third communicating pipe 37 is communicated with the air outlet is communicated with the air chamber 37, and is communicated with the air outlet is communicated with the air and is; the blower 31 is fixed to the upper end surface of the gas mixing chamber 30 and communicates with the gas mixing chamber 30.
Further, the pulverized coal heating mechanism comprises a second shell 40, a storage chamber 41, a gas mixing chamber 42, an exhaust pipeline 43 and a combustion chamber 44, wherein the second shell 40, the storage chamber 41, the gas mixing chamber 42 and the combustion chamber 44 are all cylindrical cavities, the storage chamber 41, the gas mixing chamber 42 and the combustion chamber 44 are sequentially arranged in the second shell 40, a conveying opening 45 is formed in the side wall of the storage chamber 41, the other end of the conveying pipeline 26 penetrates through the second shell 40 and is communicated with the storage chamber 41 through a conveying opening 45 formed in the side wall of the storage chamber 41, the storage chamber 41 is communicated with the gas mixing chamber 42, the gas mixing chamber 42 is communicated with the combustion chamber 44, the top end of the combustion chamber 44 is provided with an air inlet 46, the other end of the conveying pipe 37 penetrates through the second shell 40 and is communicated with the combustion chamber 44 through an air inlet 46 at the upper end of the combustion chamber 44, the side wall of the combustion chamber 44 is provided with an air outlet 47, one end of the exhaust pipeline 43 is communicated with the air outlet 47 formed in the side wall of the combustion chamber 44, the other end of the exhaust pipeline 43 penetrates through the second shell 40 and is communicated with the air inlet end of the air flow channel 2, the other end of the exhaust pipeline 43 is provided with a switching valve 48, the exhaust pipeline 43 is communicated with the air inlet end of the storage chamber 41, the air inlet 52 is communicated with the air inlet 52 through the connecting pipe 32, the air inlet 50 is communicated with the air inlet 52, the air inlet 52 is communicated with the air inlet 52 through the air inlet 52, the air inlet 52 and the air inlet 52 is communicated with the air inlet 52, the air inlet 52 and the air inlet 52.
Further, a mixing and stirring bin 54 is arranged in the gas mixing chamber 42, nozzles 56 are correspondingly arranged on the side walls of the mixing and stirring bin 54, the gas mixing chamber 42 and the combustion chamber 44, a stirring device 55 is arranged in the mixing and stirring bin 54, the nozzles 56 on the side wall of the mixing and stirring bin 54 are communicated with a spraying device 57, the spraying device 57 is fixed on the inner side wall of the gas mixing chamber 42, a nozzle 58 is arranged at the front end of the spraying device 57, and the nozzle 58 penetrates through the nozzles 56 on the side walls of the gas mixing chamber 42 and the combustion chamber 44 and stretches into the combustion chamber 44.
Further, a plurality of oil gun nozzles 59 are arranged at the inner top end of the combustion chamber 44, the oil gun nozzles 59 are externally connected with an oil injection device, and a spoiler 60 is arranged on the circumference of the inner side wall of the combustion chamber 44.
Before use, the first screen 12 and the second screen 13 meeting the screening requirements are installed in the first shell 1, the vibration frequency of the vibrator 14 is adjusted, and the air outlet end and the air inlet end of the air flow channel 2 are respectively communicated with the air inlet pipeline 32 and the air outlet pipeline 43.
During operation of the coal powder treatment mechanism, coal powder is fed into the first shell 1 through the feeding hole 3, the coal powder passes through between the two crushing rollers 7, the first motor 6 drives the two crushing rollers 7 to rotate, crushing blades 11 are arranged on the two crushing rollers 7, the coal powder is subjected to first-step crushing treatment through mutual engagement rotation of the two crushing rollers 7, the crushed coal powder falls between the two grinding rollers 9 through the blanking plate 8, the second motor 10 drives the two grinding rollers 9 to rotate, the second-step grinding treatment is carried out on the coal powder through the mutual engagement rotation of the two grinding rollers 9, at the moment, the vibrator 14 is started, the ground coal powder sequentially passes through the first screen 12, the second screen 13 and the metal adsorption net 15 through vibration screening of the vibrator 14 to carry out third-step screening treatment, the coal powder finally falls into the stirring unit after passing through the metal adsorption net 15 through the vibration screening, metal impurities (such as iron, aluminum, sodium and the like) in the coal powder can be adsorbed by the metal adsorption net 15 when passing through the metal adsorption net 15, so that the coal powder purity is improved, and the heating efficiency of the coal powder is improved. After the metal adsorption screen is used, the door 61 is opened to clean the first screen 12, the second screen 13 and the metal adsorption screen 15 in the first shell 1, so that blockage is avoided, and secondary use is affected.
Then adding additive limestone or dolomite into the stirring unit through a charging port 4 on the first shell 1, mixing the limestone or dolomite with coal dust falling into the stirring unit to form a coal dust mixture, and driving a transmission shaft 18 through a third motor 17 to further drive two stirring assemblies to rotate at the moment so as to fully stir the coal dust mixture in the stirring unit; in the stirring process, waste gas generated in the pulverized coal heating mechanism dries the pulverized coal mixture in the stirring unit through an airflow channel 2 in the first shell 1 so as to ensure that the humidity of the pulverized coal mixture meets the combustion requirement, and the phenomenon that caking is caused when the pulverized coal is heated due to the too high humidity, and the pulverized coal heating efficiency is influenced is avoided;
After the pulverized coal mixture is stirred, two telescopic cylinders 62 are started, the telescopic cylinders 62 drive cylinder rods to retract, further, sliding plates fixedly connected with the cylinder rods are driven to slide on the fixed plates, and accordingly, the two sliding plates are driven to slide in opposite directions, the pulverized coal mixture automatically falls onto the material guiding plate 25, enters the material outlet 5 along the obliquely arranged material guiding plate 25, enters the material outlet 5, and enters the conveying outlet 45 of the pulverized coal heating mechanism communicated with the other end of the conveying pipeline 26 from the conveying pipeline 26 through a conveying dragon 27, finally enters the storage chamber 41, and then the telescopic cylinders 62 drive the cylinder rods to extend, further drive the two sliding plates correspondingly connected with the cylinder rods to be closed, and stirring work next time is carried out.
The coal powder mixture entering the storage chamber 41 is conveyed to the conveying port 52 through the ascending conveying device 53 (the prior art) and finally falls into the mixing stirring bin 54 of the gas mixing chamber 42 communicated with the storage chamber 41, at the moment, the coal powder mixture and the air in the gas mixing chamber 42 are fully mixed under the stirring of the stirring device 55 (the prior art), the mixed coal gas mixture is sprayed into the combustion chamber 44 through the spraying device 57 (the prior art) through the nozzle 58, the coal gas mixture entering the combustion chamber 44 is ignited through the oil gun nozzle 59 of the external oil spraying device (the prior art), the combustion is carried out in the combustion chamber 44, the combustion of the coal gas mixture is assisted by the spoiler 60, during the combustion of the coal gas mixture, the calcium carbonate in limestone or dolomite is decomposed into calcium oxide at high temperature, the calcium oxide reacts with the sulfur dioxide in the waste gas to form calcium sulfate, the calcium sulfate can be discharged together with the slag and the waste gas dust, the emission of sulfur dioxide in the waste gas is reduced, the coal gas mixture is discharged through the charging port 51, and enters the mixing cylinder of the asphalt mixing station for the next operation;
Waste gas generated during combustion enters the airflow channel 2 through the exhaust port 47 and enters the waste gas treatment mechanism after heat release is circularly carried out between the first shell 1 and the heat preservation cover 62, the waste gas firstly enters the first reaction tank 28 through the air inlet pipeline 32, nitric oxide in the waste gas reacts with saturated sodium hydroxide solution in the first reaction tank 28, nitric oxide and nitrogen dioxide in the waste gas are filtered, the waste gas enters the second reaction tank 29 after passing through the first reaction tank 28, carbon dioxide in the waste gas reacts with saturated sodium carbonate solution in the second reaction tank 29, carbon dioxide in the waste gas is filtered, a large amount of carbon monoxide is contained in the filtered waste gas, the waste gas enters the gas mixing chamber 30 after passing through the second reaction tank 29, and the waste gas in the gas mixing chamber 30 is mixed with air blown by the blower 31 and then enters the combustion chamber 44 again through the conveying pipe 37 for full combustion;
In the early stage of pulverized coal combustion, the first switch valve 38 and the third switch valve 48 are opened, the second switch valve 39 and the fourth switch valve 50 are closed,
Waste gas generated by combustion circulates between the first shell 1 and the heat preservation cover 62 through the exhaust pipeline 43, enters the waste gas treatment mechanism and then enters the combustion chamber 44 again for circulation, so that waste heat of the waste gas is effectively utilized, and the heat utilization rate is improved;
In the middle period of pulverized coal combustion, the first switch valve 38 and the fourth switch valve 50 are opened, the second switch valve 39 and the third switch valve 48 are closed,
At this time, the pulverized coal mixture in the storage chamber 41 and the combustion chamber 44 is sufficiently combusted, the pulverized coal mixture is not required to be dried, and the waste gas generated by combustion directly enters the waste gas treatment mechanism through the connecting pipe 49 after passing through the exhaust pipe 43 and enters the combustion chamber 44 again for circulation through the conveying pipe 37, so that the heating efficiency is effectively improved;
At the later stage of pulverized coal combustion, the switch valve II 39 and the switch valve IV 50 are opened, the switch valve I38 and the switch valve III 48 are closed, at this time, pulverized coal combustion works to enter the later stage, waste gas generated by combustion directly enters the waste gas treatment mechanism through the connecting pipe 49 after passing through the exhaust pipeline 43, and after entering the waste gas treatment chamber 34 through the communicating pipe 33, the treated waste gas is discharged through an exhaust outlet of the waste gas treatment chamber 34, so that the environment is prevented from being polluted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a pitch mixing station buggy adds with throwing material device which characterized in that: including coal dust treatment mechanism, exhaust-gas treatment mechanism and coal dust heating mechanism, exhaust-gas treatment mechanism fixes on coal dust heating mechanism and communicates with coal dust heating mechanism, and coal dust treatment mechanism sets up in coal dust heating mechanism one side, and door (61) are opened to first (1) lateral wall of casing of coal dust treatment mechanism, and first (1) lateral wall is equipped with heat preservation cover (63) outward, is equipped with air current passageway (2) between first (1) and the heat preservation cover (63), and air current passageway (2) give vent to anger end and the inlet end pass heat preservation cover (63), air current passageway (2) inlet end and coal dust heating mechanism intercommunication, air current passageway (2) give vent to anger end and exhaust-gas treatment mechanism intercommunication, coal dust treatment mechanism lower extreme and coal dust heating mechanism lower extreme intercommunication.
2. The feeding device for heating pulverized coal of asphalt mixing station according to claim 1, wherein: the pulverized coal treatment mechanism comprises a first shell (1), a crushing and grinding unit, a vibration screening unit, a stirring unit and a feeding unit, wherein the first shell (1) is a cylindrical cavity, a feeding hole (3) is formed in the upper end face of the first shell (1), a feeding hole (4) is formed in the side wall of the first shell (1), a discharging hole (5) is formed in the lower end of the side wall of the first shell (1), and the crushing and grinding unit, the vibration screening unit, the stirring unit and the feeding unit are sequentially arranged in the first shell (1) from top to bottom.
3. The feeding device for heating pulverized coal of asphalt mixing station according to claim 2, wherein: the crushing and grinding unit comprises a first motor (6), two crushing rollers (7), a blanking plate (8), two grinding rollers (9) and a second motor (10), wherein the two crushing rollers (7) are horizontally arranged in the feed inlet (3) in parallel, two ends of the two crushing rollers (7) are rotationally connected with the side wall of the feed inlet (3), a plurality of groups of crushing blades (11) are arranged on the outer side surface of each crushing roller (7), the crushing blades (11) on the two crushing rollers (7) are meshed, the first motor (6) is fixed at the upper end of the first shell (1), and an output shaft of the first motor (6) is fixedly connected with one of the crushing rollers (7); the blanking plate (8) is obliquely arranged below the two crushing rollers (7), the upper end of the blanking plate (8) is fixedly connected with the inner wall of the first shell (1), a blanking channel is arranged between the lower end of the blanking plate (8) and the inner wall of the first shell (1), two grinding rollers (9) are horizontally arranged side by side and are oppositely arranged below one end of the blanking plate (8) which is inclined downwards, two ends of each grinding roller (9) are rotationally connected with the side wall of the first shell (1), a second motor (10) is fixed on the outer side wall of the first shell (1), and an output shaft of the second motor (10) is fixedly connected with one of the grinding rollers (9).
4. The feeding device for heating pulverized coal of asphalt mixing station according to claim 2, wherein: the vibration screening unit comprises a first screen (12), a second screen (13), a vibrator (14) and a metal adsorption net (15), wherein the first screen (12), the second screen (13) and the metal adsorption net (15) are sequentially arranged from top to bottom, the mesh number of the second screen (13) is larger than that of the first screen (12), the vibrator (14) is fixed on the lower surface of the second screen (13), the first screen (12) and the second screen (13) are fixedly connected through a connecting rod (16), and the first screen (12), the second screen (13) and the metal adsorption net (15) are fixedly connected with the inner wall of a shell I (1) in an outer Zhou Jun mode.
5. The feeding device for heating pulverized coal of asphalt mixing station according to claim 4, wherein: the stirring unit comprises a third motor (17), a transmission shaft (18), two telescopic plates (19), a feeding plate (20), two telescopic cylinders (62) and two stirring components, wherein the third motor (17) is fixed in the middle of the inner bottom surface of the first shell (1), an output shaft of the third motor (17) is fixedly connected with the lower end of the vertically arranged transmission shaft (18), the upper end of the transmission shaft (18) is fixedly connected with the lower surface of the metal adsorption net (15) through a bearing, the two stirring components are fixedly connected with the transmission shaft (18), two telescopic plates (19) are arranged below the two stirring components, each telescopic plate (19) comprises a fixed plate and a sliding plate, a sliding rail is arranged on the fixed plate, the fixed plate is fixedly connected with the inner side wall of the first shell (1), the sliding plate is in sliding connection with the fixed plate through the sliding rail, and the transmission shaft (18) penetrates through the center of a round surface formed by the two sliding plates; two telescopic cylinder (62) are respectively symmetrical to be fixed on casing one (1) lateral wall, and the cylinder pole other end of two telescopic cylinder (62) is fixed with the sliding plate lower surface that corresponds respectively, casing one (1) inside wall is equipped with slide (21) along circumference level, stirring subassembly includes two connecting axle (22) and two blades (23), and two connecting axle (22) coaxial setting, and connecting axle (22) one end and transmission shaft (18) fixed connection, and connecting axle (22) other end is equipped with slider (24), slider (24) and slide (21) sliding connection, and two blades (23) are installed to the symmetry on connecting axle (22), and blade (23) are outer along for the cusp, and charge plate (20) slope sets up in charge door (4) below, and charge plate (20) upper end and casing one (1) inner wall fixed connection are equipped with the feed channel on charge plate (20).
6. The feeding device for heating pulverized coal of asphalt mixing station according to claim 2, wherein: the feeding unit comprises a material guide plate (25) and a conveying pipeline (26), wherein the material guide plate (25) is obliquely fixed on the inner wall of a first shell (1) below a telescopic plate (19), a through hole is formed in the material guide plate (25), a transmission shaft (18) penetrates through the through hole, one end of the material guide plate (25) which is inclined downwards is located below a discharge hole (5), one end of the conveying pipeline (26) is communicated with the discharge hole (5), the other end of the conveying pipeline (26) is communicated with a coal powder heating mechanism, a conveying dragon (27) is arranged in the conveying pipeline (26), and the conveying dragon (27) is externally connected with a driving mechanism.
7. A feeding device for heating pulverized coal in an asphalt mixing station according to claim 3, wherein: the waste gas treatment mechanism comprises a first reaction tank (28), a second reaction tank (29), a gas mixing chamber (30), a blower (31), an air inlet pipeline (32), three communicating pipes (33) and a waste gas treatment chamber (34), wherein the three communicating pipes (33) are respectively a first communicating pipe, a second communicating pipe and a second communicating pipe, the first reaction tank (28), the second reaction tank (29), the gas mixing chamber (30) and the waste gas treatment chamber (34) are all arranged in a sealing way and are sequentially fixed on the upper end face of the coal dust heating mechanism, saturated sodium hydroxide solution is added in the first reaction tank (28), saturated sodium carbonate solution is added in the second reaction tank (29), one end of the air inlet pipeline (32) is arranged in the saturated sodium hydroxide solution of the first reaction tank (28), an air outlet of the first reaction tank (28) is communicated with the first communicating pipe, one end of the first communicating pipe (33) is arranged above the saturated sodium hydroxide solution of the first reaction tank (28), the other end of the first communicating pipe (33) is arranged in the saturated sodium carbonate solution of the second reaction tank (29) through an air inlet of the second reaction tank (29), the other end of the first communicating pipe (33) is arranged in the saturated sodium carbonate solution of the second reaction tank (29), one end of the second communicating pipe (33) is arranged above the saturated sodium carbonate solution of the second communicating pipe (33), the gas mixing chamber (30) is provided with a first gas outlet (35) and a second gas outlet (36), the first gas outlet (35) is communicated with one end of a conveying pipe (37), the other end of the conveying pipe (37) is communicated with a coal dust heating mechanism, the conveying pipe (37) is provided with a first switching valve (38), the second gas outlet (36) is communicated with the waste gas treatment chamber (34) through a third communicating pipe (33), and the third communicating pipe (33) is provided with a second switching valve (39); the blower (31) is fixed on the upper end surface of the gas mixing chamber (30) and is communicated with the gas mixing chamber (30).
8. The feeding device for heating pulverized coal of an asphalt mixing station according to claim 6, wherein: the coal dust heating mechanism comprises a second shell (40), a storage chamber (41), a gas mixing chamber (42), an exhaust pipeline (43) and a combustion chamber (44), wherein the second shell (40), the storage chamber (41), the gas mixing chamber (42) and the combustion chamber (44) are all cylindrical cavities, the storage chamber (41), the gas mixing chamber (42) and the combustion chamber (44) are sequentially arranged in the second shell (40), a conveying port (45) is formed in the side wall of the storage chamber (41), the other end of the conveying pipeline (26) penetrates through the second shell (40) and is communicated with the storage chamber (41) through the conveying port (45) in the side wall of the storage chamber (41), the storage chamber (41) is communicated with the gas mixing chamber (42), the gas mixing chamber (42) is communicated with the combustion chamber (44), an air inlet (46) is formed in the top end of the combustion chamber (44), the other end of the conveying pipeline (37) penetrates through the second shell (40) and is communicated with the combustion chamber (44) through the air inlet (46) in the upper end of the combustion chamber (44), an air outlet (47) is formed in the side wall of the combustion chamber (44), one end of the exhaust pipeline (43) is communicated with the air inlet (2) of the upper side wall of the combustion chamber (44), be equipped with ooff valve III (48) on exhaust duct (43) the other end, communicate through connecting pipe (49) between exhaust duct (43) and inlet tube (32), be equipped with ooff valve IV (50) on connecting pipe (49), casing II (40) and combustion chamber (44) bottom are opened corresponding feed inlet (51), feed inlet (51) communicate with the feed end of the mix jar of pitch mixing station, storage room (41) top is opened there is delivery port (52), be equipped with in storage room (41) and rise conveyor (53), the output pipeline of rise conveyor (53) passes delivery port (52) and gas mixing chamber (42) intercommunication.
9. The feeding device for heating pulverized coal of an asphalt mixing station according to claim 8, wherein: the gas mixing chamber (42) is internally provided with a mixing stirring bin (54), the gas mixing chamber (42) and the side wall of the combustion chamber (44) are correspondingly provided with nozzles (56), the mixing stirring bin (54) is internally provided with a stirring device (55), the nozzles (56) on the side wall of the mixing stirring bin (54) are communicated with a spraying device (57), the spraying device (57) is fixed on the inner side wall of the gas mixing chamber (42), the front end of the spraying device (57) is provided with a nozzle (58), and the nozzle (58) penetrates through the nozzles (56) on the side walls of the gas mixing chamber (42) and the combustion chamber (44) and stretches into the combustion chamber (44).
10. The feeding device for heating pulverized coal of an asphalt mixing station according to claim 9, wherein: the top in the combustion chamber (44) is provided with a plurality of oil gun nozzles (59), the oil gun nozzles (59) are externally connected with an oil injection device, and the circumference of the inner side wall of the combustion chamber (44) is provided with a spoiler (60).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323071396.2U CN221279489U (en) | 2023-11-14 | 2023-11-14 | Feeding device for heating pulverized coal of asphalt mixing station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323071396.2U CN221279489U (en) | 2023-11-14 | 2023-11-14 | Feeding device for heating pulverized coal of asphalt mixing station |
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| CN221279489U true CN221279489U (en) | 2024-07-05 |
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| CN202323071396.2U Active CN221279489U (en) | 2023-11-14 | 2023-11-14 | Feeding device for heating pulverized coal of asphalt mixing station |
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| Country | Link |
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| CN (1) | CN221279489U (en) |
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2023
- 2023-11-14 CN CN202323071396.2U patent/CN221279489U/en active Active
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