CN-122006899-A - High-efficiency electric bag composite dust collector

CN122006899ACN 122006899 ACN122006899 ACN 122006899ACN-122006899-A

Abstract

The invention provides a high-efficiency electric bag composite dust collector. The efficient electric bag composite dust collector comprises an installation underframe and a damping component, wherein the damping component is installed at the top of the installation underframe, a frame body is installed at the top of the damping component, a fixing frame is installed at the top of the frame body, a plurality of second sealing rings are installed at the top of the fixing frame, second installation rings are installed at the top of each second sealing ring through second installation bolts, bag cages are installed at the bottom of each second installation ring, and air injection components are installed at the tops of each group of second installation rings. According to the high-efficiency electric bag composite dust collector, the independent double sealing structure is adopted, so that independent double sealing of the bag cage, the cloth bag and the fixing frame is realized, the sealing effect is improved, the sealing pressing ring is matched with the first sealing ring to realize occlusion type sealing, the short-circuit emission of unfiltered smoke is reduced, the dust collection efficiency is improved, and the service life of the cloth bag is prolonged.

Inventors

LI KEQIN
YANG HONGWEI
NIU XIAOYING
GUO JUNQIANG
FENG YAO
YANG LI
ZHANG XIN
LIU ZHENXING
ZHAN TONGGUI
WANG YI
CAI MING

Assignees

华电新疆发电有限公司乌鲁木齐分公司

Dates

Publication Date: 20260512
Application Date: 20251230

Claims (10)

1. The high-efficiency electric bag composite dust collector is characterized by comprising an installation underframe; The shock absorbing assembly is arranged at the top of the installation underframe, the frame body is arranged at the top of the shock absorbing assembly, the fixing frame is arranged at the top of the frame body, the plurality of second sealing rings are arranged at the top of the fixing frame, the second installation rings are arranged at the top of each second sealing ring through second installation bolts, the bag cage is arranged at the bottom of each second installation ring, the air injection assembly is arranged at the top of each second installation ring, the plurality of first butt joint rings are arranged at the bottom of the fixing frame, the first sealing rings are arranged at the bottom of each first butt joint ring, the first installation rings are arranged at the bottom of each first installation ring through first installation bolts, and the sealing pressing ring is arranged between each first installation ring and each first sealing ring; The electrostatic dust collection device is arranged at a position, close to one side, inside the frame body, of the electrostatic dust collection device, an airflow exhaust cover is arranged at the top of the frame body, an air supply assembly is arranged on the back surface of the frame body, and an ash receiving assembly is arranged at the bottom of the frame body.
2. The high-efficiency electric bag composite dust collector according to claim 1, wherein a control box with a box door is installed on the front face of the frame body, and an operation panel is installed on the front face of the frame body.
3. The high efficiency, electrostatic fabric filter of claim 1, wherein the mounting chassis comprises a base plate, a mounting structure, and an adjustment structure, the mounting structure for mounting the adjustment structure to a bottom of the base plate.
4. The high efficiency, electrostatic fabric filter of claim 1, wherein the cushioning assembly comprises two fixed disks and cushioning members, the two fixed disks being configured to mount the cushioning members between the mounting chassis and the frame.
5. The high efficiency, composite electric bag dust collector of claim 1 wherein the air supply assembly comprises an air supply device, an air supply tube mounted to an outlet of the air supply device, and a shunt tube for connecting the plurality of sets of air jet assemblies to the air supply tube.
6. The high efficiency, electrostatic fabric filter of claim 1, wherein the air jet assembly comprises a connecting tube, a plurality of fixed tubes, a plurality of fixed bases and a plurality of nozzles, wherein a plurality of the fixed bases are used for mounting the plurality of nozzles on top of the second mounting ring, and a plurality of the fixed tubes are used for connecting the nozzles with the connecting tube.
7. The high efficiency, electrostatic fabric filter of claim 1, wherein the ash receiving assembly comprises an ash receiving hopper and a discharge pipe, the discharge pipe being mounted to a bottom of the ash receiving hopper.
8. The efficient electric bag composite dust collector according to claim 1, wherein a butt joint assembly is installed on the front face and the back face of the inner wall of the frame body, and an accelerating frame is installed on two butt joint assemblies.
9. The high efficiency, electrostatic fabric filter of claim 8, wherein the docking assembly comprises a stop frame and a docking frame, the stop frame is mounted on the front or back of the inner wall of the frame, and the docking frame is mounted on the front or back of the acceleration frame.
10. A high-efficiency electric bag composite dust collector and a dust collection method, characterized by comprising the high-efficiency electric bag composite dust collector as claimed in any one of claims 1-9, wherein the dust collection method of the high-efficiency electric bag composite dust collector is used when the high-efficiency electric bag composite dust collector is used, and comprises the following steps: S1, preparing a fixing frame, a sealing ring, a mounting ring, a sealing pressing ring, a mounting bolt, a cloth bag and a bag cage, wherein the checking part is free from damage and deformation, the sealing ring is free from aging cracks, the cloth bag is free from burr holes, the mounting holes of the fixing frame and the sealing area of the butt joint ring are cleaned, and the mounting surface is ensured to be smooth and clean; S2, installing a plurality of second sealing rings on the top of the fixing frame, enabling the positions of the second sealing rings to correspond to the positions of the installation holes for installing the bag cage, then fixing the bag cage on the fixing frame through butt joint of the second installation rings and the second sealing rings, enabling the bag cage to be inserted below the fixing frame, installing first sealing rings at the positions below the fixing frame and corresponding to the positions of the second sealing rings through the first butt joint rings, and then installing the first installation rings at the opening ends of the cloth bags; S3, sleeving the cloth bag on the outer surface of the bag cage after finishing, fixing a first mounting ring with a sealing pressing ring below a first sealing ring through a first mounting bolt, enabling the first mounting bolt to be well connected with a first butt joint ring through threads, finishing the fixing of the cloth bag, and realizing independent sealing of the bag cage, the cloth bag and a fixing frame through the mutual matching of the first sealing ring and the sealing pressing ring with a second sealing ring and a second mounting ring, so that the sealing performance is ensured; S4, starting an electric bag composite dust collector, wherein after flue gas is pretreated by electrostatic dust collection equipment, residual dust enters a bag dust collection area, filtering is carried out by a cloth bag, purified gas is discharged by an airflow discharge cover, and when differential pressure is increased due to dust accumulation, a gas supply assembly and a gas injection assembly are started to spray ash, and the dust falls into an ash receiving assembly; and S5, when the cloth bag needs to be replaced, stopping the machine, reducing the temperature and the pressure, clearing residual dust, loosening the mounting bolts on the upper part and the lower part of the fixing frame, sequentially taking down related parts, the old cloth bag and the bag cage, replacing the new cloth bag and the aged sealing ring, detecting the sealing effect through a fluorescent powder test after reverse assembly, and putting the cloth bag and the aged sealing ring into use after no-load operation is confirmed to reach the standard.

Description

High-efficiency electric bag composite dust collector Technical Field The invention relates to the technical field of electric bag composite dust collectors, in particular to a high-efficiency electric bag composite dust collector. Background The electric bag composite dust collector is high-efficiency equipment combining electrostatic dust collection and cloth bag dust collection technologies. The dust is charged and primarily collected by an electric field, and then the residual dust is further filtered by a filter bag. The combined design not only plays the advantage of treating large particles by electrostatic dust removal, but also captures fine dust by utilizing a cloth bag, has the characteristics of high dust removal efficiency, strong adaptability, stable operation and the like, and is widely applied to the field of industrial flue gas purification. The electric bag composite dust collector mainly comprises an electrostatic dust collection area, a cloth bag dust collection area, an ash bucket, a control system and the like, and the working principle of the electric bag composite dust collector is that dust particles are charged and adsorbed on a polar plate through the electrostatic dust collection area for preliminary purification, then dust-containing gas enters the cloth bag dust collection area, fine dust is intercepted and captured by a filter bag, deep purification is achieved, purified gas is discharged through an induced draft fan, and collected dust falls into the ash bucket for periodic cleaning. The combined design gives full play to the advantages of the two dust removing technologies, and has the characteristics of high dust removing efficiency, wide air volume treatment range, stable and reliable operation and the like. The filter bag and the pattern plate of the conventional electric bag composite dust collector adopt a single sealing mode, are influenced by flue gas temperature fluctuation, blowing impact and self deformation of the filter bag in long-term operation, and easily have the defects of increased sealing clearance and air and dust leakage, thereby influencing the dust removal efficiency and the service life of the filter bag. Therefore, it is necessary to provide a high-efficiency electric bag composite dust collector to solve the above technical problems. Disclosure of Invention The invention provides a high-efficiency electric-bag composite dust collector, which solves the problems that the dust collection efficiency and the service life of a filter bag are affected due to air leakage and dust leakage caused by the fact that the sealing between the filter bag and a pattern plate of the traditional electric-bag composite dust collector is easy to fail. In order to solve the technical problems, the high-efficiency electric bag composite dust collector provided by the invention comprises an installation bottom; The shock absorbing assembly is arranged at the top of the installation underframe, the frame body is arranged at the top of the shock absorbing assembly, the fixing frame is arranged at the top of the frame body, the plurality of second sealing rings are arranged at the top of the fixing frame, the second installation rings are arranged at the top of each second sealing ring through second installation bolts, the bag cage is arranged at the bottom of each second installation ring, the air injection assembly is arranged at the top of each second installation ring, the plurality of first butt joint rings are arranged at the bottom of the fixing frame, the first sealing rings are arranged at the bottom of each first butt joint ring, the first installation rings are arranged at the bottom of each first installation ring through first installation bolts, and the sealing pressing ring is arranged between each first installation ring and each first sealing ring; The electrostatic dust collection device is arranged in the frame body at a position close to one side, an airflow exhaust cover is arranged at the top of the frame body, an air supply assembly is arranged at the back of the frame body, and an ash receiving assembly is arranged at the bottom of the frame body; A plurality of holes have been seted up to equidistant top of mount, make things convenient for the installation of bag cage, and the second sealing washer is located between second collar and the mount, and second mounting bolt need not run through the second sealing washer, and the bag cage inserts the inside of framework, and every second collar of erecting the row is a set of, and the sack cover is at the surface of bag cage, and the sack is installed in the inside of first collar through joint or bolt collocation seal structure. Preferably, a control box with a box door is arranged on the front face of the frame body, and an operation panel is arranged on the front face of the frame body. Preferably, the mounting chassis comprises a bottom plate, a mounting structure and an adjusting structure, wherein