CN-120754678-B - High-efficiency energy-saving type flue gas rotary denitration reactor

CN120754678BCN 120754678 BCN120754678 BCN 120754678BCN-120754678-B

Abstract

The invention provides a high-efficiency energy-saving flue gas rotary denitration reactor, which belongs to the technical field of flue gas desulfurization and comprises a mounting sleeve, wherein the outer wall of the mounting sleeve is fixedly connected with a lower cylinder, the top wall of the lower cylinder is fixedly connected with an upper cylinder, the inner wall of the upper cylinder is provided with a cleaning assembly, the high-efficiency energy-saving flue gas rotary denitration reactor further comprises a flow guiding assembly, the flow guiding assembly comprises a mounting frame fixedly connected with the outer wall of the upper cylinder, the outer wall of the mounting frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a horizontal driving rotating rod, and the outer wall of the horizontal driving rotating rod is fixedly connected with evenly distributed blades. According to the invention, through the mutual matching of the linkage assembly, the cleaning assembly and the driving bevel gear in the flow guiding assembly, the inner wall of the lower cylinder body is automatically cleaned by the thin scraping plate in a rotating way, so that the manual cleaning cost and frequency are reduced, the normal operation of the reactor is prevented from being influenced by particle retention, the inside of the reactor is ensured to be clean, a good reaction environment is maintained, and the service life of equipment is prolonged.

Inventors

WANG GANG
ZHANG SONG
WANG YU
LI YANXING
TIAN YUE
ZHOU LIUCHUN

Assignees

河北林格环保科技有限公司

Dates

Publication Date: 20260512
Application Date: 20250708

Claims (6)

1. The utility model provides a rotatory denitration reactor of energy-efficient flue gas, includes installation cover (1), its characterized in that, barrel (2) under installation cover (1) outer wall fixedly connected with, barrel (3) are gone up to barrel (2) roof fixedly connected with down, it is provided with the clearance subassembly to go up barrel (3) inner wall, still includes: the guide assembly comprises a mounting frame (7) fixedly connected to the outer wall of the upper cylinder body (3), a driving motor (15) is fixedly connected to the outer wall of the mounting frame (7), a horizontal driving rotating rod (16) is fixedly connected to the output end of the driving motor (15), evenly distributed blades (19) are fixedly connected to the outer wall of the horizontal driving rotating rod (16), and a driving bevel gear (21) is fixedly connected to the outer wall of the horizontal driving rotating rod (16); the linkage assembly is arranged on the outer wall of the upper cylinder body (3), and is matched with the flow guide assembly, and the linkage assembly is matched with the cleaning assembly; The uniform mixing component is arranged on the outer wall of the upper cylinder body (3); The cleaning assembly comprises a connecting plate (27) which is symmetrically and fixedly connected to the inner wall of the upper cylinder body (3), a built-in gear box (28) is fixedly connected to the outer wall of the connecting plate (27), a cleaning rotating rod (29) is rotatably connected to the outer wall of the built-in gear box (28), symmetrically distributed thin scraping plates (31) are fixedly connected to the outer wall of the cleaning rotating rod (29), the outer wall of Bao Guaban (31) is propped against the inner wall of the lower cylinder body (2), a horizontal driven rotating rod (25) is rotatably connected to the outer wall of the built-in gear box (28) and the outer wall of the lower cylinder body (2), and a linkage bevel gear (26) is fixedly connected to the outer wall of the horizontal driven rotating rod (25); The linkage assembly comprises an external gear box (22) symmetrically and fixedly connected to the outer wall of the upper cylinder body (3), a vertical driven rotating rod (23) is rotationally connected to the outer wall of the external gear box (22), symmetrically distributed driven bevel gears (24) are fixedly connected to the outer wall of the vertical driven rotating rod (23), the outer wall of the driven bevel gears (24) is meshed and connected with the outer wall of the driving bevel gears (21), and the outer wall of the driven bevel gears (24) is meshed and connected with the outer wall of the linkage bevel gears (26); The uniform mixing assembly comprises a fixing frame (6) fixedly connected to the outer wall of the upper cylinder body (3), two to three groups of fixing frames (6) are arranged, the outer wall of each fixing frame (6) is fixedly connected with a gas storage pipe (8), the outer wall of each gas storage pipe (8) is fixedly connected with a gas inlet pipe (9), the outer wall of each gas storage pipe (8) is fixedly connected with a uniformly distributed gas distribution pipe (10), the outer wall of each gas storage pipe (8) is fixedly connected with a uniformly distributed partition plate (14), uniformly distributed through holes (13) are formed in the outer wall of each gas storage pipe (8), the through holes (13) are located between adjacent partition plates (14), the outer wall of each partition plate (14) is fixedly connected with a partition plate (11), and the partition plates (11) are fixedly connected with the inner wall of the upper cylinder body (3); The inner wall of the upper cylinder body (3) is fixedly connected with symmetrically distributed arc plates (17), the outer wall of the arc plates (17) is fixedly connected with an air guide plate (18), and the outer wall of the arc plates (17) is also fixedly connected with a reverse blocking block (20).
2. The efficient and energy-saving flue gas rotary denitration reactor according to claim 1, wherein a denitration agent recovery box (4) is fixedly connected to the outer wall of the lower cylinder (2), a flue gas pipeline (5) is fixedly connected to the outer wall of the denitration agent recovery box (4), and the flue gas pipeline (5) is fixedly connected with the lower cylinder (2).
3. The efficient and energy-saving flue gas rotary denitration reactor according to claim 1, wherein a flue gas inlet pipe (32) is fixedly connected to the outer wall of the lower cylinder (2), and a denitration agent feeding pipe (33) is also fixedly connected to the outer wall of the lower cylinder (2).
4. A high efficiency energy saving flue gas rotary denitration reactor according to claim 1, wherein the drive bevel gear (21) and the driven bevel gear (24) are both located in an external gear box (22).
5. The efficient and energy-saving flue gas rotary denitration reactor according to claim 1, wherein one end of the gas distribution pipe (10) far away from the gas storage pipe (8) is fixedly connected with a sealing cover (12), and the gas distribution pipe (10) is fixedly connected with the upper cylinder (3).
6. The efficient and energy-saving flue gas rotary denitration reactor according to claim 1, wherein a cleaning bevel gear (30) is fixedly connected to the top wall of the cleaning rotary rod (29), and the outer wall of the cleaning bevel gear (30) is meshed with the outer wall of the linkage bevel gear (26).

Description

High-efficiency energy-saving type flue gas rotary denitration reactor Technical Field The invention relates to the technical field of flue gas desulfurization, in particular to a high-efficiency energy-saving type flue gas rotary denitration reactor. Background The flue gas denitration is a technology for removing nitrogen oxides in flue gas in an industrial production process by physical, chemical and other methods, the nitrogen oxides serve as important components of atmospheric pollutants, acid rain can be formed, buildings are corroded and vegetation is harmed, under the illumination condition, the nitrogen oxides can generate photochemical reaction with volatile organic compounds to generate secondary pollutants such as ozone, peroxyacetyl nitrate and the like, photochemical smog is formed, the atmospheric visibility is reduced, serious damage to the respiratory system and the cardiovascular system of a human body is caused, and meanwhile, the flue gas denitration is an indispensable key link in industrial waste gas treatment, so that the harm of the nitrogen oxides to the environment and the human health is reduced, the atmospheric environment quality is improved, and the environmental protection regulation requirements are strictly followed. Through retrieval, the patent with the Chinese patent application number of CN201320137374.9 discloses a rotary cone fluidized bed device for flue gas denitration, which comprises a rotary cone denitration reactor lower cylinder, a rotary cone denitration reactor upper cylinder arranged on the rotary cone denitration reactor lower cylinder and a fixed bed arranged on the rotary cone denitration reactor upper cylinder, wherein the fixed bed is connected with a transmission mechanism, a flue gas outlet is arranged at the upper end of the fixed bed, an ammonia spraying nozzle is arranged at the interface of the fixed bed and the rotary cone denitration reactor upper cylinder, a denitration agent feeding port is arranged at the upper end of the rotary cone denitration reactor upper cylinder, a flue gas inlet is arranged at one side of the rotary cone denitration reactor upper cylinder, a rotary cone and a fixed cone are arranged in the rotary cone denitration reactor upper cylinder, a denitration agent recovery port is arranged at the lower end of the rotary cone denitration reactor lower cylinder, and is connected with the upper end of the rotary cone denitration reactor upper cylinder through a flue gas pipeline; In the above patent, although the large-particle ash in the coal-fired flue gas can be prevented from blocking the denitration catalyst, the flue gas denitration reaction time is prolonged, the flue gas denitration rate is improved, the operation is convenient, the problems of catalyst aging and the like in the conventional flue gas denitration process can be effectively improved, the fluidized bed denitration agent can be repeatedly and circularly added, the operation is simple and convenient, the fluidized bed denitration agent is repeatedly used, secondary pollution is not caused, but the defects that 1, the mixing efficiency of ammonia and flue gas is low, the full contact reaction is difficult to realize, the denitration effect is not ideal still exist in the use process, 2, the retention phenomenon of gas is easy to occur in a reactor, the reaction efficiency is influenced, the problems of partial blocking and the like can be possibly caused, the overall denitration working efficiency is reduced, 3, particles generated in the denitration process are easy to adhere to the inner wall of the reactor, the manual cleaning cost is high, the frequency is high, the particle retention can influence the normal operation of the reactor, and the service life of equipment is shortened. Therefore, there is a need for an efficient and energy-saving flue gas rotary denitration reactor to solve the above problems. Disclosure of Invention The invention aims to provide a high-efficiency energy-saving flue gas rotary denitration reactor so as to solve the problems in the background technology. In order to achieve the above object, the present invention provides the following technical solutions: The utility model provides a rotatory denitration reactor of energy-efficient flue gas, includes the installation cover, barrel under installation cover outer wall fixedly connected with, barrel roof fixedly connected with goes up the barrel down, it is provided with the clearance subassembly to go up the barrel inner wall, still includes: The guide assembly comprises a mounting frame fixedly connected to the outer wall of the upper cylinder body, a driving motor is fixedly connected to the outer wall of the mounting frame, a horizontal driving rotating rod is fixedly connected to the output end of the driving motor, evenly distributed blades are fixedly connected to the outer wall of the horizontal driving rotating rod, and a driving bevel gear is fixedly connected to the oute