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CN-115518783-B - High-speed rotation centrifugal atomizer device

CN115518783BCN 115518783 BCN115518783 BCN 115518783BCN-115518783-B

Abstract

The invention provides a high-speed rotary centrifugal atomizer device which comprises a shell, a lubricating system, an atomizing disk and a driving device, wherein the lubricating system is arranged on the shell, the atomizing disk is arranged on the lower side of the shell, the driving device is connected with the atomizing disk and comprises a main shaft, a rotor fixedly connected with the main shaft and a stator arranged on the inner side of the shell, the main shaft is connected with the atomizing disk, the shell comprises a shell middle section, a shell upper cover and a shell lower cover, the shell upper cover is arranged on the upper side of the shell middle section, the shell lower cover is arranged on the lower side of the shell middle section, a supporting plate is arranged on the outer side of the shell middle section, a stator cavity is arranged on the inner side of the shell middle section, a lubricating oil cavity is arranged on the outer side of the lubricating oil cavity, a cold water cavity is arranged on the outer side of the lubricating oil cavity, the stator is arranged in the stator cavity, and the rotor and the stator are matched.

Inventors

  • ZHANG WEIGANG
  • ZHAO HONGMEI
  • LU XUEBIN

Assignees

  • 河北英集机械设备制造有限公司

Dates

Publication Date
20260512
Application Date
20221019

Claims (9)

  1. 1. The high-speed rotary centrifugal atomizer device is characterized by comprising a shell (1), a lubrication system arranged on the shell (1), an atomizing disk (8) arranged on the lower side of the shell (1) and a driving device connected with the atomizing disk (8); the driving device comprises a main shaft (13), a rotor (16) fixedly connected with the main shaft (13) and a stator (17) arranged on the inner side of the shell (1); The main shaft (13) is connected with the atomizing disk (8); The shell (1) comprises a shell middle section (101), a shell upper cover (102) arranged on the upper side of the shell middle section (101) and a shell lower cover (103) arranged on the lower side of the shell middle section (101); a supporting plate (104) is arranged on the outer side of the middle section (101) of the shell; The inner side of the middle section (101) of the shell is provided with a stator cavity (105), the outer side of the middle section (101) of the shell is provided with a lubricating oil cavity (106), and the outer side of the lubricating oil cavity (106) is provided with a cold water cavity (107); the stator (17) is arranged in the stator cavity (105), and the rotor (16) and the stator (17) are arranged in a matching way; a cooling water inlet (108) and a cooling water outlet (109) are formed in the upper cover (102) of the shell; an oil pipe through hole (110) is formed in the upper cover (102) of the shell.
  2. 2. A high-speed rotating centrifugal atomizer device according to claim 1, wherein an inlet water flow sensor (18) is provided at the cooling water inlet (108) and an outlet water flow sensor (19) is provided at the cooling water outlet (109).
  3. 3. A high-speed rotating centrifugal atomizer device according to claim 1, characterized in that the lubrication system comprises an oil pump (2) provided on a housing (1), a motor (3) connected to the oil pump (2), a three-way valve (5) in communication with the outlet of the oil pump (2), a first oil pump outlet (20) in communication with the three-way valve (5), a second oil pump outlet (21) in communication with the three-way valve (5) and an oil inlet line (22) connected to the oil pump (2).
  4. 4. A high-speed rotating centrifugal atomizer device according to claim 3, wherein an upper bearing set is provided on the upper side of the main shaft (13), a lower bearing (6) is provided on the lower side of the main shaft (13), the first oil pump outlet (20) is located at the upper bearing set, and the second oil pump outlet (21) is located at the lower bearing (6).
  5. 5. A high-speed rotating centrifugal atomizer device according to claim 4, wherein the upper bearing group comprises a bearing seat (201) arranged on the upper cover (102) of the housing, an upper bearing (202) arranged in the bearing seat (201) and a bearing gland (203) arranged on the bearing seat (201), and a pressure oil cavity is arranged between the main shaft (13) and the bearing seat (201) and between the main shaft and the bearing gland (203).
  6. 6. A high-speed rotating centrifugal atomizer device according to claim 4, wherein the lower bearing (6) is located below the lower housing cover (103), a lubricant tank (10) is provided below the lower housing cover (103), and the oil inlet pipe (22) is communicated with the lubricant tank (10).
  7. 7. A high-speed rotating centrifugal atomizer device according to claim 6, characterized in that a first labyrinth seal (11) is provided between the lower bearing (6) and the lubricating oil tank (10).
  8. 8. A high-speed rotating centrifugal atomizer device according to claim 3, characterized in that the underside of the oil inlet line (22) is provided with a non-return valve (7).
  9. 9. A high-speed rotating centrifugal atomizer device according to claim 3, wherein a first lubricant flow sensor (23) is provided at the first oil pump outlet (20), and a second lubricant flow sensor (24) is provided at the second oil pump outlet (21).

Description

High-speed rotation centrifugal atomizer device Technical Field The invention relates to a high-speed rotary centrifugal atomizer device, and belongs to the technical field of high-speed atomizers. Background With the rising of the domestic waste incineration power generation field and the wide establishment of waste incineration power plants in recent years, the rotary atomizer is widely applied. The rotary atomizer is key equipment for purifying tail gas of the waste incineration power plant, the atomization performance of the rotary atomizer directly influences the quality of waste incineration tail gas emission and the utilization rate of an absorbent, and is a key point for measuring whether the tail gas emission index of the waste incineration power plant can reach domestic and foreign standards. The rotary atomizer applied in China mainly depends on import from abroad, a great deal of foreign exchange is needed each year, and with the development of modern industrial processes, the localization problem of the rotary atomizer has been highly valued by more and more manufacturers. The existing market high-speed rotary centrifugal atomizer is generally atomized by directly connecting a high-speed motor with an atomizing disk through a coupler, and has the defects of large friction, high heating value and complex lubrication system, so that the motor power is difficult to improve at high speed. Disclosure of Invention The invention aims to solve the technical problem of providing the high-speed rotary centrifugal atomizer device which has reasonable structural design, fully utilizes the space, can quickly reduce the temperature of lubricating oil, ensures good lubricating effect and can realize ultra-high-speed rotary centrifugation. The technical scheme adopted by the invention for solving the technical problems is as follows: A high-speed rotary centrifugal atomizer device comprises a shell, a lubrication system arranged on the shell, an atomizing disk arranged on the lower side of the shell and a driving device connected with the atomizing disk; The driving device comprises a main shaft, a rotor fixedly connected with the main shaft and a stator arranged on the inner side of the shell; the main shaft is connected with the atomizing disk. Further, the shell comprises a shell middle section, a shell upper cover arranged on the upper side of the shell middle section, and a shell lower cover arranged on the lower side of the shell middle section; A supporting plate is arranged on the outer side of the middle section of the shell; the inner side of the middle section of the shell is provided with a stator cavity, the outer side of the middle section of the shell is provided with a lubricating oil cavity, and the outer side of the lubricating oil cavity is provided with a cold water cavity; the stator is arranged in the stator cavity, and the rotor and the stator are arranged in a matched manner; A cooling water inlet and a cooling water outlet are formed in the upper cover of the shell; and an oil pipe through hole is formed in the upper cover of the shell. Further, an inlet water flow sensor is arranged at the cooling water inlet, and an outlet water flow sensor is arranged at the cooling water outlet. Further, the lubrication system comprises an oil pump arranged on the shell, a motor connected with the oil pump, a three-way valve communicated with the outlet of the oil pump, a first outlet of the oil pump communicated with the three-way valve, a second outlet of the oil pump communicated with the three-way valve and an oil inlet pipeline connected with the oil pump. Further, an upper bearing group is arranged on the upper side of the main shaft, a lower bearing is arranged on the lower side of the main shaft, the first oil pump outlet is positioned at the upper bearing group, and the second oil pump outlet is positioned at the lower bearing. Further, the upper bearing group comprises a bearing seat arranged on the upper cover of the shell, an upper bearing arranged in the bearing seat and a bearing gland arranged on the bearing seat, and a pressure oil cavity is arranged between the main shaft and the bearing seat and between the main shaft and the bearing gland. Further, the lower bearing is located below the lower cover of the shell, a lubricating oil tank is arranged on the lower side of the lower cover of the shell, and the oil inlet pipeline is communicated with the lubricating oil tank. Further, a first labyrinth seal is arranged between the lower bearing and the lubricating oil tank. Further, a one-way valve is arranged on the lower side of the oil inlet pipeline. Further, a first lubricating oil flow sensor is arranged at the outlet of the first oil pump, and a second lubricating oil flow sensor is arranged at the outlet of the second oil pump. The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the high-speed rotary centrifugal atomizer device provided by the