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CN-122006352-A - Deflector sedimentation type cloth bag dust remover for treating flue gas pollution

CN122006352ACN 122006352 ACN122006352 ACN 122006352ACN-122006352-A

Abstract

The invention relates to the technical field of bag-type dust collectors, in particular to a deflector sedimentation type bag-type dust collector for treating flue gas pollution, which comprises a main body, wherein an ash bucket is fixedly connected to the bottom of the main body, an air inlet is formed in the side wall of the ash bucket, a filter assembly is fixedly arranged in the main body, a deflector is arranged below the filter assembly in the main body, a sealing cavity is formed in the position, corresponding to the deflector, of the outer side wall of the main body, the filter assembly comprises a fixed plate fixed with the inner wall of the main body, a plurality of mounting openings are formed in the fixed plate, and filter bags are hermetically mounted in the mounting openings. The invention can realize uniform airflow and high-efficiency pre-sedimentation of large-particle dust, ensure the filtering efficiency of the filter bag and prolong the service life of the filter bag, realize passive bidirectional energy storage and time-sequence double ash removal, solve the problem of ash accumulation of the guide plate, reduce the operation and maintenance cost, and has reasonable structure, convenient operation and maintenance and reliable ash removal.

Inventors

  • PENG XINYI
  • TAN TIANYIN

Assignees

  • 四川荣景环保工程设计有限公司

Dates

Publication Date
20260512
Application Date
20260408

Claims (9)

  1. 1. The deflector sedimentation type cloth bag dust remover for treating the flue gas pollution is characterized by comprising a main body (1); The dust collecting device is characterized in that the bottom of the main body (1) is fixedly connected with a dust hopper (13), the side wall of the dust hopper (13) is provided with an air inlet (14), a filter assembly (2) is fixed in the main body (1), a flow guide part (3) is arranged below the filter assembly (2) in the main body (1), and a sealing cavity (12) is formed in the outer side wall of the main body (1) at a position corresponding to the flow guide part (3); The filter assembly (2) comprises a fixed plate (21) fixed with the inner wall of the main body (1), a plurality of mounting ports (22) are formed in the fixed plate (21), filter bags (23) are respectively and hermetically mounted in the mounting ports (22), hollowed-out bottom plates (25) are fixed at the bottoms of the filter bags (23), elastic telescopic frameworks (24) are coaxially arranged in the filter bags (23), the hollowed-out bottom plates (25) corresponding to all the filter bags (23) are rigidly connected in series through connecting frames (26), and docking rods (27) are fixed at the bottoms of the connecting frames (26); The guide part (3) comprises a plurality of guide plates (31) which are arranged in parallel, connecting shafts (312) are fixed on two sides of each guide plate (31), the connecting shafts (312) are hinged with the inner wall of the main body (1), one ends of the connecting shafts extend into the sealing cavity (12), and adjacent guide plates (31) are connected through hinged connecting rods (311) to form a synchronous swinging structure.
  2. 2. The deflector-type bag-type dust collector for treating flue gas pollution, as set forth in claim 1, wherein one end of the air inlet (14) connected with the ash bucket (13) is of an upwardly inclined horn-shaped structure, the air outlet end of the air inlet (14) is opposite to the arrangement area of the deflector (31), the air extraction opening (11) is formed in the top side wall of the main body (1), and the sealing cavity (12) is of a closed cavity structure.
  3. 3. The deflector-type bag-type dust collector for treating flue gas pollution according to claim 1, wherein the elastic telescopic framework (24) is internally provided with a reset elastic piece, the elastic telescopic framework (24) is in a contracted state in the absence of external force, so that continuous and uniform natural surface folds are formed on the outer wall of the filter bag (23), and extrusion airtight gaps are not formed at the folds of the filter bag (23).
  4. 4. The deflector-sedimentation type bag-type dust collector for treating flue gas pollution according to claim 1, wherein the deflector (3) further comprises an energy storage component (32) and an impact component (33) which are arranged in the sealing cavity (12), and the energy storage component (32) is connected with a lower pressing plate (3232) in transmission fit with the butt joint rod (27) in a matched mode.
  5. 5. The deflector-type bag-type dust collector for treating flue gas pollution of claim 4, wherein a first butt-joint inclined surface (28) is arranged on the side wall of the butt-joint rod (27), and a pressing inclined surface (3233) attached to the first butt-joint inclined surface (28) is arranged at the end part of the lower pressing plate (3232).
  6. 6. A deflector-type bag-type dust collector for flue gas pollution treatment as set forth in claim 4, wherein the energy storage assembly (32) comprises a fixed ring (321) fixed in the sealing cavity (12), a rotating shaft (322) is rotatably mounted in the fixed ring (321), a positioning supporting rod (325) with one end extending into the rotating shaft (322) is fixed in the sealing cavity (12), a transmission rod (326) coaxially fixed with the connecting shaft (312) is rotatably mounted in the rotating shaft (322), two groups of driving latches (3262) which are meshed with each other and are arranged oppositely in the circumferential direction are hinged at the end part of the transmission rod (326), and butt-joint latches (3223) which are meshed with the driving latches (3262) in a unidirectional mode are arranged on the inner wall of the rotating shaft (322).
  7. 7. The deflector-type bag-type dust collector for treating flue gas pollution according to claim 6, wherein a chute (3222) and a straight groove (3221) which are communicated with each other are formed in the outer wall of the rotating shaft (322), a sliding plate (323) is sleeved on the outer wall of the rotating shaft (322) in a sliding mode, a butt joint bolt (3231) extending into the chute (3222) is fixed on the inner wall of the sliding plate (323), an elastic piece I (324) is arranged between the sliding plate (323) and the inner wall of the sealing cavity (12), and the lower pressing plate (3232) is fixed on the sliding plate (323).
  8. 8. The deflector sedimentation type cloth bag dust collector for treating flue gas pollution according to claim 6, wherein the transmission rod (326) comprises a rod body (3261), two groups of driving latches (3262) are hinged to the end portion of the rod body (3261), a reset spring (3265) with one end connected with the driving latches (3262) is arranged inside the rod body (3261), a butt joint inclined plane II (3263) is arranged at the top of the driving latches (3262), a vertical clamping surface (3264) is arranged on one side of the driving latches (3262), a transmission gear (3251) is rotatably arranged at one end, close to the transmission rod (326), of the positioning support rod (325), and the transmission gear (3251) is respectively in meshed fit with one group of driving latches (3262) and butt joint latches (3223) on the inner wall of the rotating shaft (322).
  9. 9. The deflector-type bag-type dust collector for treating flue gas pollution according to claim 4, wherein the impact assembly (33) comprises a limiting rod (333) fixed in the sealing cavity (12), a mounting plate (331) is sleeved outside the limiting rod (333) in a sliding manner, an impact block (332) is fixed on one side, close to the deflector (31), of the mounting plate (331), and an elastic piece II (334) is sleeved between the mounting plate (331) and the inner wall of the sealing cavity (12) on the outer wall of the limiting rod (333).

Description

Deflector sedimentation type cloth bag dust remover for treating flue gas pollution Technical Field The invention relates to the technical field of bag-type dust collectors, in particular to a deflector sedimentation type bag-type dust collector for treating smoke pollution. Background In the field of industrial dust treatment in normal-temperature, non-high-temperature and high-humidity environments, such as dry dust pollution treatment in the fields of woodworking, grain storage and transportation, normal-temperature mine crushing, mechanical polishing and the like, the bag type dust collector is widely used as core treatment equipment due to stable filtering efficiency and convenient operation and maintenance. The baffle sedimentation type bag dust collector is used as a common type of bag dust collector, and the uniform distribution of dust-containing airflow and the pre-sedimentation of large-particle dust are realized by the built-in baffle, so that the filtering load of a filter bag can be effectively reduced, and the service life of the filter bag can be prolonged. In the existing deflector sedimentation type cloth bag dust collector suitable for the normal-temperature dry dust treatment, the filter bag is designed to be an external filter with an opening at the top and a sealing at the bottom, and the filter bag is used as a deflector of a core matching component of the bag dust collector, so that obvious defects still exist, and the long-term stable operation requirement of the bag dust collector is difficult to meet. The existing guide plates are of fixed mounting structures, the gestures cannot be adjusted along with fluctuation of inlet air flow and wind speed in a self-adaptive mode, the guide plates at different positions are affected by air flow size differences, uneven air flow distribution of the section of a filter chamber is extremely easy to cause, inertial pre-sedimentation of large-particle dust cannot be effectively achieved, local high-speed air flow is easy to be formed to wash the filter bag, and the filter bag is damaged in advance. Meanwhile, the conventional pulse back-blowing ash removal mode can only act on the filter bag, can not solve the problem of dust accumulation of the guide plate, and can also exacerbate the fatigue damage of the filter bag and further shorten the service life of the filter bag. Disclosure of Invention The invention discloses a deflector sedimentation type bag-type dust collector for treating smoke pollution, which aims to solve the problems that most of deflector plates of the conventional bag-type dust collector for normal-temperature working conditions, which are proposed in the background art, are fixed and are easy to generate uneven air flow distribution, large-particle dust cannot be effectively pre-settled, and the deflector plates are easy to deposit dust. In order to solve the technical problems, the invention adopts a technical scheme that the invention provides a deflector sedimentation type cloth bag dust remover for treating flue gas pollution, which comprises a main body; The bottom of the main body is fixedly connected with an ash bucket, the side wall of the ash bucket is provided with an air inlet, a filter assembly is fixed in the main body, a flow guide part is arranged below the filter assembly in the main body, and a sealing cavity is formed in the position, corresponding to the flow guide part, of the outer side wall of the main body; the filter assembly comprises a fixed plate fixed with the inner wall of the main body, a plurality of mounting openings are formed in the fixed plate, filter bags are hermetically mounted in the mounting openings, hollow bottom plates are fixed at the bottoms of the filter bags, elastic telescopic frameworks are coaxially arranged in the filter bags, the hollow bottom plates corresponding to all the filter bags are rigidly connected in series through connecting frames, and butt joint rods are fixed at the bottoms of the connecting frames; The guide part comprises a plurality of guide plates which are arranged in parallel, connecting shafts are fixed on two sides of each guide plate, the connecting shafts are hinged with the inner wall of the main body, one ends of the connecting shafts extend into the sealing cavity, and adjacent guide plates are connected through hinged connecting rods to form a synchronous swinging structure. The invention is further arranged that one end of the air inlet connected with the ash bucket is of an upward-inclined horn-shaped structure, the air outlet end of the air inlet is aligned to the arrangement area of the guide plate, the side wall of the top of the main body is provided with an air extraction opening, and the sealing cavity is of a closed cavity structure. The invention is further arranged that the elastic telescopic framework is internally provided with the reset elastic piece, and in a state of no external force, the elastic telescopic framework is in a co