CN215419864U - High-speed rotating spraying motor - Google Patents
High-speed rotating spraying motor Download PDFInfo
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- CN215419864U CN215419864U CN202121660068.4U CN202121660068U CN215419864U CN 215419864 U CN215419864 U CN 215419864U CN 202121660068 U CN202121660068 U CN 202121660068U CN 215419864 U CN215419864 U CN 215419864U
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Abstract
The utility model relates to a high-speed rotating spraying motor, and belongs to the technical field of flue gas deacidification in the waste incineration industry. The device comprises an atomizing head body, a transmission system and a feeding system; a transmission system and a feeding system are arranged in the atomizing head body; the upper part of the machine base is mutually fixed with an upper bearing seat through a bolt, and the bearing seat is connected with a bearing in a matching way; an upper bearing gland is arranged above the bearing; the lower part of the machine base is connected with a lower bearing seat, and the lower bearing seat is connected with a bearing in a matching way; a shaft nut is arranged below the bearing, and a cushion block is arranged below the shaft nut. The utility model realizes the transmission of the motor through the two bearings, and reasonably combines the feeding system and the transmission system through the upper bearing seat and the lower bearing seat, thereby realizing the whole functions of the spraying motor. The utility model has simple and compact structure, greatly reduces the cost of the existing spray motor, has good application value and can realize high-power, high-speed, continuous and stable operation of the spray head.
Description
Technical Field
The utility model relates to a high-speed rotating spraying motor, and belongs to the technical field of flue gas deacidification in the waste incineration industry.
Background
SO of China2HCL pollution is mainly caused by enterprise production, and SO produced by power generation enterprises2HCL contamination accounts for a significant proportion. With the development of economy, the living standard of people is continuously improved, and the produced household garbage and industrial waste areWaste is also increasing. The corresponding garbage power plant has continuously increased incineration amount, and SO discharged by garbage incineration2The amount of HCL will increase continuously. Thus, controlling SO2The emission of HCL becomes the influence index of the environmental protection requirement of the garbage power plant.
At present, the desulfurization technology of flue gas is mainly divided into three types, mainly comprising: wet, dry, semi-dry processes. After the waste incineration industry in China develops for about twenty years, nearly 500 waste incineration plants are built at present, and over 90 percent of all built and operated incineration plants adopt a semi-dry flue gas purification technology.
In the semidry method flue gas purification technology, the core equipment of the deacidification reaction tower is a high-speed rotary atomizer. Because the equipment has high power, high rotating speed, complex and compact structure, long operating time and stable operation requirement, only a few professional manufacturers carry out domestic production at present in China, at least more than 95 percent of incineration plants use imported equipment, but imported products have the defects of high price, long supply period, untimely service and difficult spare and accessory supply, and the localization of the high-speed atomizer is imperative, so the demand for the novel high-speed rotary atomizer and the manufacturing method thereof is increased day by day.
In the localization process, the high-speed rotary atomizer designed and produced according to the existing standard is complex in assembly, and a plurality of pairs of bearings are needed to ensure that the stator and the rotor meet the precision requirements of dynamic balance detection and no-load test when in operation. There is a need to develop a new high-speed rotary spray motor structure that can reduce the cost by design, but at the same time can ensure the accuracy of the atomizer.
Disclosure of Invention
The utility model aims to overcome the defects and provide the high-speed rotating spraying motor which is simple and compact in structure and stable in operation.
According to the technical scheme, the high-speed rotating spraying motor comprises an atomizing head body, a transmission system and a feeding system; a transmission system and a feeding system are arranged in the atomizing head body;
the atomizing head body comprises a support ring, a bracket, a top plate, a suspension column, an upper protection barrel and a lower protection barrel which are mutually connected through the support ring; the upper protection barrel is connected with the lower protection barrel, a top plate is arranged above the upper protection barrel, hanging posts are arranged on the top plate, and the hanging posts penetrate through the top plate and are arranged in a support below the top plate;
the transmission system comprises a base, a water jacket, a stator, an upper bearing seat, an upper bearing oil-discharging ring, a shaft core, a rotor, an oil-throwing ring, a bearing, a lock nut, a lower bearing seat, a lower bearing oil-separating ring, a lower bearing oil-separating nozzle, a spring seat, a lower bearing gland, a shaft nut, a cushion block, a cooling underwater cover plate, a process water distributor, a lime slurry distributor, an upper bearing gland and a cooling water upper cover plate;
a shaft core is arranged in the atomizing head body and is in fit connection with a rotor, the rotor is in key connection with a stator, a water jacket is arranged outside the stator, and the water jacket is arranged in a base; the upper part of the machine base is mutually fixed with an upper bearing seat through a bolt, and the bearing seat is connected with a bearing in a matching way; the bearing is fixed through a locking nut; the flinger is sleeved with the shaft core, an upper bearing oil-discharging ring is arranged on the upper bearing seat, and the upper bearing oil-discharging ring is connected with the flinger; an upper bearing gland is arranged above the bearing; the upper bearing seat is also provided with a cooling water upper cover plate;
the lower part of the machine base is connected with a lower bearing seat, and the lower bearing seat is connected with a bearing in a matching way; a shaft nut is arranged below the bearing, and a cushion block is arranged below the shaft nut; the bearing realizes the fixation of the relative position of the bearing and the shaft core through a shaft nut and a cushion block; a lower bearing gland is also arranged below the bearing; and a cooling underwater cover plate, a process water distributor and a lime slurry distributor are sequentially and fixedly arranged below the lower bearing seat.
Further, the feeding system comprises an oil distribution joint, an upper bearing oil distribution nozzle, a sealing air pipe, a cooling water inlet pipe, a cooling water outlet pipe, a process water pipe, a lime slurry pipe, an oil-gas joint, a power plug, a signal plug, a lime slurry quick joint, a process water quick joint, a cooling water quick joint-male joint, a cooling water quick joint-female joint, a sealing air quick joint, a cooling water quick oil inlet pipe A, an oil inlet pipe B and an oil inlet pipe C;
an oil-gas joint, a power plug, a signal plug, a lime slurry quick joint, a process water quick joint, a cooling water quick joint-male, a cooling water quick joint-female and a sealing air quick joint are distributed at the upper end of the top plate;
the oil-gas joint comprises 3 joints which are respectively connected with one end of a quick oil inlet pipe A, one end of an oil inlet pipe B and one end of an oil inlet pipe C; the other ends of the oil inlet pipe B and the oil inlet pipe C are connected with an upper bearing oil distributing nozzle, and the lower end of the upper bearing oil distributing nozzle penetrates through an upper bearing cover to enter a space between the upper bearing cover and the shaft core; the other end of the quick oil inlet pipe A is connected with an oil distribution joint, and the oil distribution joint is connected with a lower bearing seat for oil supply.
Further, the oil-gas separator also comprises an upper bearing oil drain pipe; one end of the upper bearing oil discharge pipe is communicated into the upper bearing seat, and the other end of the upper bearing oil discharge pipe extends into a cavity formed by the engine base and the lower protection barrel.
Furthermore, the cooling water quick connector-male is connected with a cooling water inlet pipe, the cooling water quick connector-female is connected with a cooling water outlet pipe, the lime slurry quick connector is connected with a lime slurry pipe, the process water quick connector is connected with a process water pipe, and the sealed air quick connector is connected with a sealed air pipe.
Furthermore, the process water pipe passes through the base and is communicated into the process water distributor, and the lime slurry pipe passes through the base and is communicated into the lime slurry distributor;
the cooling water inlet pipe and the cooling water outlet pipe penetrate through the upper cover plate of the cooling water and enter the base;
the sealed air pipe directly communicates with the upper bearing seat to supply air to the inside of the atomizing head body.
Further, the device also comprises a vibration sensor; the vibration sensor is arranged on the upper bearing seat, and the signal transmission of the vibration sensor is controlled through a signal plug.
The utility model has the beneficial effects that: the utility model realizes the transmission of the motor through the two bearings, and reasonably combines the feeding system and the transmission system through the upper bearing seat and the lower bearing seat, thereby realizing the whole functions of the spraying motor. The utility model has simple and compact structure, greatly reduces the cost of the existing spray motor, has good application value and can realize high-power, high-speed, continuous and stable operation of the spray head.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a perspective view of a portion of the components of the present invention.
Fig. 4 is a structural sectional view of the present invention.
Fig. 5 is an exploded schematic view of main parts.
FIG. 6 is a process water, lime slurry piping diagram.
Fig. 7 is a cooling water piping diagram.
Fig. 8 is a lubricating oil passage diagram.
Description of reference numerals: 1. a machine base; 2. a water jacket; 3. a stator; 4. an upper bearing seat; 5. an upper bearing oil drain ring; 6. a shaft core; 7. a rotor; 8. a slinger; 9. a bearing; 10. locking the nut; 11. a support ring; 12. A lower bearing seat; 13. a lower bearing oil separating ring; 14. a lower bearing oil distribution nozzle; 15. a spring seat; 16. a lower bearing gland; 17. an oil distribution joint; 18. a shaft nut; 19. cushion blocks; 20. cooling the underwater cover plate; 21. a process water distributor; 22. a lime slurry distributor; 23. an upper bearing gland; 24. an upper bearing oil distributing nozzle; 25. a support; 26. a top plate; 27. sealing the air pipe; 28. cooling the water inlet pipe; 29. a cooling water outlet pipe; 30. a process water pipe; 31. a lime-mortar pipe; 32. hoisting a column; 33. an oil-gas joint; 34. a power plug; 35. a signal plug; 36. an upper protective cylinder; 37. a lower protective cylinder; 38. a lime slurry quick coupling; 39. a process water quick connector; 40. cooling water quick connector-male; 41. cooling water quick connector-female; 42. sealing the air quick connector; 43. a vibration sensor; 44. an oil inlet pipe A; 45. an oil inlet pipe B; 46. an oil inlet pipe C; 47. an upper bearing oil drain pipe; 48. and cooling the upper cover plate.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Referring to fig. 1-5, a high-speed rotary atomizing motor comprises an atomizing head body, a transmission system and a feeding system; a transmission system and a feeding system are arranged in the atomizing head body;
the atomizing head body comprises a support ring 11, a bracket 25, a top plate 26, a hanging column 32, an upper protection cylinder 36 and a lower protection cylinder 37 which are connected with each other through the support ring 11; the upper protection barrel 36 is connected with the lower protection barrel 37, the top plate 26 is installed above the upper protection barrel 36, the hanging columns 32 are arranged on the top plate 26, and the hanging columns 32 penetrate through the top plate 26 and are installed in the support 25 below the top plate 26;
the transmission system comprises a machine base 1, a water jacket 2, a stator 3, an upper bearing seat 4, an upper bearing oil-discharging ring 5, a shaft core 6, a rotor 7, a flinger 8, a bearing 9, a lock nut 10, a lower bearing seat 12, a lower bearing oil-separating ring 13, a lower bearing oil-separating nozzle 14, a spring seat 15, a lower bearing gland 16, a shaft nut 18, a cushion block 19, a cooling underwater cover plate 20, a process water distributor 21, a lime slurry distributor 22, an upper bearing gland 23 and a cooling water upper cover plate 48;
a shaft core 6 is arranged in the atomizing head body, the shaft core 6 is in fit connection with a rotor 7, the rotor 7 is in key connection with a stator 3, a water jacket 2 is arranged outside the stator 3, and the water jacket 2 is arranged in a base 1; the upper part of the machine base 1 is mutually fixed with the upper bearing seat 4 through bolts, and the bearing seat 4 is connected with the bearing 9 in a matching way; the bearing 9 is fixed through a locking nut 10; the flinger 8 is sleeved with the shaft core 6, the upper bearing block 4 is provided with an upper bearing oil drain ring 5, and the upper bearing oil drain ring 5 is connected with the flinger 8; an upper bearing gland 23 is arranged above the bearing 9; the upper bearing block 4 is also provided with a cooling water upper cover plate 48;
the lower part of the machine base 1 is connected with a lower bearing seat 12, and the lower bearing seat 12 is connected with a bearing 9 in a matching way; a shaft nut 18 is arranged below the bearing 9, and a cushion block 19 is arranged below the shaft nut 18; the bearing 9 is fixed relative to the shaft core 6 through a shaft nut 18 and a cushion block 19; a lower bearing gland 16 is also arranged below the bearing 9; and a cooling underwater cover plate 20, a process water distributor 21 and a lime slurry distributor 22 are sequentially and fixedly arranged below the lower bearing seat 12.
The feeding system comprises an oil distribution joint 17, an upper bearing oil distribution nozzle 24, a sealed air pipe 27, a cooling water inlet pipe 28, a cooling water outlet pipe 29, a process water pipe 30, a lime slurry pipe 31, an oil-gas joint 33, a power plug 34, a signal plug 35, a lime slurry quick joint 38, a process water quick joint 39, a cooling water quick joint-male 40, a cooling water quick joint-female 41, a sealed air quick joint 42, a cooling water quick oil inlet pipe A44, an oil inlet pipe B45 and an oil inlet pipe C46;
an oil-gas joint 33, a power plug 34, a signal plug 35, a lime slurry quick joint 38, a process water quick joint 39, a cooling water quick joint-male 40, a cooling water quick joint-female 41 and a sealed air quick joint 42 are distributed at the upper end of the top plate 26;
the oil-gas joint 33 comprises 3 joints which are respectively connected with one ends of a quick oil inlet pipe A44, an oil inlet pipe B45 and an oil inlet pipe C46; the other ends of the oil inlet pipe B45 and the oil inlet pipe C46 are connected into the upper bearing oil distribution nozzle 24, and the lower end of the upper bearing oil distribution nozzle 24 penetrates through the upper bearing pressure cover 23 to enter a space between the upper bearing pressure cover 23 and the shaft core 6; the other end of the quick oil inlet pipe A44 is connected with an oil distribution joint 17, and the oil distribution joint 17 is connected with the lower bearing seat 12 for oil supply.
Also includes an upper bearing oil drain pipe 47; one end of the upper bearing oil drain pipe 47 is communicated into the upper bearing seat 4, and the other end of the upper bearing oil drain pipe extends into a cavity formed by the engine base 1 and the lower protection cylinder 37.
The cooling water quick connector-male 40 is connected with the cooling water inlet pipe 28, the cooling water quick connector-female 41 is connected with the cooling water outlet pipe 29, the lime slurry quick connector 38 is connected with the lime slurry pipe 31, the process water quick connector 39 is connected with the process water pipe 30, and the sealing air quick connector 42 is connected with the sealing air pipe 27.
The process water pipe 30 penetrates through the base 1 and is communicated into the process water distributor 21, and the lime slurry pipe 31 penetrates through the base 1 and is communicated into the lime slurry distributor 22;
the cooling water inlet pipe 28 and the cooling water outlet pipe 29 penetrate through the cooling water upper cover plate 48 to enter the machine base 1;
the sealing air pipe 27 is directly communicated with the upper bearing seat 4 to supply air to the inside of the atomizing head body.
A vibration sensor 43; the vibration sensor 43 is arranged on the upper bearing block 4, and the signal transmission of the vibration sensor 43 is controlled through the signal plug 35.
When the lime slurry atomizing device works, the stator 3 is electrified to generate a magnetic field, the shaft core 6 is driven to rotate at a high speed, so that the atomizing disc is driven to rotate, lime slurry enters the lime slurry distributor 22 through the lime slurry pipe 31, and the lime slurry after being materialized by the atomizing wheel fully reacts with flue gas, so that the flue gas purifying effect is achieved.
As shown in FIG. 6, the lime slurry inlet pipe is formed by the cavities of the lime slurry quick connector 38, the lime slurry pipe 31, the cooling water underwater cover plate 20, the process water distributor 21 and the lime slurry distributor 22, and the lime slurry is supplied; the process water pipeline is formed by the process water quick connector 39, the process water pipe 30, the cooling water underwater cover plate 20 and the process water distributor 21 cavity, and the process water is supplied.
As shown in figure 7, the utility model comprises a cooling water circulation pipeline and a cooling motor which are formed by cavities of a cooling water quick connector-male 40, a cooling water inlet pipe 28, a machine base 1, a lower bearing seat 12, a cooling water lower cover plate 20, a water jacket 2, an upper bearing seat 4, a cooling water upper cover plate 7, a cooling water outlet pipe 29 and a cold water quick connector-female 41.
As shown in fig. 8, the present invention comprises an upper bearing oil inlet pipeline composed of an oil-gas joint 33, an oil inlet pipe B45, an oil inlet pipe C46 and an upper bearing oil distribution nozzle 24, and supplies lubricating oil to the upper bearing 9; an upper bearing oil discharge pipeline is formed by the upper bearing oil discharge ring 5, the flinger 8, the upper bearing seat 4 and an upper bearing oil discharge pipe 47, and the upper bearing waste oil is discharged; the oil-gas joint 33, the oil inlet pipe A44, the oil distribution joint 17, the lower bearing seat 12, the lower bearing oil distribution ring 13 and the lower bearing oil distribution nozzle 14 form a lower bearing oil inlet pipeline for supplying lubricating oil to the lower bearing.
As shown in fig. 3, the present invention is provided with a vibration sensor 43 installed at the upper bearing housing 4 to monitor a bearing vibration value.
The present invention also provides a sealed air quick connector 42 to provide protective sealed air to the interior of the motor.
The utility model realizes the transmission of the motor through the two bearings, and reasonably combines the feeding system and the transmission system through the upper bearing seat and the lower bearing seat, thereby realizing the whole functions of the spraying motor.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A high-speed rotating spraying motor is characterized in that: comprises an atomizing head body, a transmission system and a feeding system; a transmission system and a feeding system are arranged in the atomizing head body;
the atomizing head body comprises a support ring (11), a bracket (25), a top plate (26), hanging columns (32), an upper protection cylinder (36) and a lower protection cylinder (37) which are mutually connected through the support ring (11); the upper protection barrel (36) is connected with the lower protection barrel (37), a top plate (26) is installed above the upper protection barrel (36), hanging posts (32) are arranged on the top plate (26), and the hanging posts (32) penetrate through the top plate (26) and are installed in a support (25) located below the top plate (26);
the transmission system comprises a base (1), a water jacket (2), a stator (3), an upper bearing seat (4), an upper bearing oil-discharging ring (5), a shaft core (6), a rotor (7), a slinger (8), a bearing (9), a locknut (10), a lower bearing seat (12), a lower bearing oil-separating ring (13), a lower bearing oil-separating nozzle (14), a spring seat (15), a lower bearing gland (16), a shaft nut (18), a cushion block (19), a cooling underwater cover plate (20), a process water distributor (21), a lime slurry distributor (22), an upper bearing gland (23) and a cooling water upper cover plate (48);
a shaft core (6) is arranged in the atomizing head body, the shaft core (6) is in fit connection with a rotor (7), the rotor (7) is in key connection with a stator (3), a water jacket (2) is arranged outside the stator (3), and the water jacket (2) is arranged in a base (1); the upper part of the machine base (1) is mutually fixed with the upper bearing seat (4) through bolts, and the bearing seat (4) is connected with the bearing (9) in a matching way; the bearing (9) is fixed through a locking nut (10); the flinger (8) is sleeved with the shaft core (6), the upper bearing seat (4) is provided with an upper bearing oil drain ring (5), and the upper bearing oil drain ring (5) is connected with the flinger (8); an upper bearing gland (23) is arranged above the bearing (9); the upper bearing seat (4) is also provided with a cooling water upper cover plate (48);
the lower part of the machine base (1) is connected with a lower bearing seat (12), and the lower bearing seat (12) is connected with a bearing (9) in a matching way; a shaft nut (18) is arranged below the bearing (9), and a cushion block (19) is arranged below the shaft nut (18); the bearing (9) is fixed with the relative position of the shaft core (6) through a shaft nut (18) and a cushion block (19); a lower bearing gland (16) is also arranged below the bearing (9); and a cooling underwater cover plate (20), a process water distributor (21) and a lime slurry distributor (22) are sequentially and fixedly arranged below the lower bearing seat (12).
2. The high-speed rotary atomizing motor according to claim 1, wherein: the feeding system comprises an oil distribution joint (17), an upper bearing oil distribution nozzle (24), a sealing air pipe (27), a cooling water inlet pipe (28), a cooling water outlet pipe (29), a process water pipe (30), a lime slurry pipe (31), an oil-gas joint (33), a power plug (34), a signal plug (35), a lime slurry quick joint (38), a process water quick joint (39), a cooling water quick joint-male (40), a cooling water quick joint-female (41), a sealing air quick joint (42), a cooling water quick oil inlet pipe A (44), an oil inlet pipe B (45) and an oil inlet pipe C (46);
an oil-gas joint (33), a power plug (34), a signal plug (35), a lime slurry quick joint (38), a process water quick joint (39), a cooling water quick joint-male (40), a cooling water quick joint-female (41) and a sealing air quick joint (42) are distributed at the upper end of the top plate (26);
the oil-gas joint (33) comprises 3 joints which are respectively connected with one end of a quick oil inlet pipe A (44), one end of an oil inlet pipe B (45) and one end of an oil inlet pipe C (46); the other ends of the oil inlet pipe B (45) and the oil inlet pipe C (46) are connected into the upper bearing oil distributing nozzle (24), and the lower end of the upper bearing oil distributing nozzle (24) penetrates through the upper bearing pressure cover (23) to enter a space between the upper bearing pressure cover (23) and the shaft core (6); the other end of the quick oil inlet pipe A (44) is connected with an oil distribution joint (17), and the oil distribution joint (17) is connected with a lower bearing seat (12) for oil supply.
3. The high-speed rotary atomizing motor according to claim 2, wherein: the oil-well structure also comprises an upper bearing oil drain pipe (47); one end of the upper bearing oil drain pipe (47) is communicated into the upper bearing seat (4), and the other end of the upper bearing oil drain pipe extends into a cavity formed by the engine base (1) and the lower protection barrel (37).
4. The high-speed rotary atomizing motor according to claim 2, wherein: the cooling water quick connector-male (40) is connected with the cooling water inlet pipe (28), the cooling water quick connector-female (41) is connected with the cooling water outlet pipe (29), the lime slurry quick connector (38) is connected with the lime slurry pipe (31), the process water quick connector (39) is connected with the process water pipe (30), and the sealed air quick connector (42) is connected with the sealed air pipe (27).
5. The high-speed rotary atomizing motor according to claim 3, wherein: the process water pipe (30) penetrates through the machine base (1) and is communicated into the process water distributor (21), and the lime slurry pipe (31) penetrates through the machine base (1) and is communicated into the lime slurry distributor (22);
the cooling water inlet pipe (28) and the cooling water outlet pipe (29) penetrate through the cooling water upper cover plate (48) and enter the machine base (1);
and the sealed air pipe (27) is directly communicated with the upper bearing seat (4) to supply air to the inside of the atomizing head body.
6. The high-speed rotary atomizing motor according to claim 1, wherein: further comprising a vibration sensor (43); the vibration sensor (43) is arranged on the upper bearing seat (4), and the signal transmission of the vibration sensor (43) is controlled through a signal plug (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121660068.4U CN215419864U (en) | 2021-07-20 | 2021-07-20 | High-speed rotating spraying motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121660068.4U CN215419864U (en) | 2021-07-20 | 2021-07-20 | High-speed rotating spraying motor |
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| CN215419864U true CN215419864U (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155295A (en) * | 2022-05-24 | 2022-10-11 | 无锡中维环境科技有限公司 | Speed-regulating rotary atomization device and atomization method thereof |
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2021
- 2021-07-20 CN CN202121660068.4U patent/CN215419864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115155295A (en) * | 2022-05-24 | 2022-10-11 | 无锡中维环境科技有限公司 | Speed-regulating rotary atomization device and atomization method thereof |
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