CN115040940A - Bag dust collector convenient to installation and maintenance - Google Patents

Abstract

The invention relates to a bag dust removal device that is easy to install and maintain, comprising a dust collector housing, a dust-containing gas inlet for introducing dust-containing gas, an exhaust channel arranged above the dust collector housing and located at the center and running through the entire length, The improved clean air chambers on both sides of the exhaust passage, the filter units arranged at the lower part of each improved clean air chamber; the ash hoppers arranged at the lower part of the filter unit and corresponding to each improved clean air chamber, corresponding to each clean air chamber A reverse pulse cleaning assembly that can be turned up is provided; the filter unit includes a vertical filter bag assembly. The device designs the reverse pulse cleaning assembly so that it can be turned upside down so as to obtain the space for replacing the filter bag directly above, and then design the flower plate on which the filter bag is installed to be able to slide outward, that is, complete all filter bags in this space. The process of disassembling and assembling the reverse pulse cleaning assembly is omitted. At the same time, the sliding of the flower plate allows the filter bag assembly to be installed at the position below the exhaust channel, thereby making more use of the filter space.

Description

A bag filter that is easy to install and maintain

technical field

The invention belongs to the technical field of dust removal, and particularly relates to a bag dust removal device which is convenient for installation and maintenance.

Background technique

With the increasingly strict requirements of national emission standards, it is difficult for the electrostatic precipitator to achieve emission standards, and the equipment of the electrostatic precipitator grows with the service life. Swing down, resulting in large fluctuation of electric field voltage and current, low dust collection efficiency; poor cleaning effect, corona pole rapping device porcelain bottle is wet and dust accumulation or dirt adhesion, resulting in "short circuit" and affecting dust cleaning. At present, there are three main forms of electric precipitator transformation in domestic cement production lines: electricity-to-electricity, electricity-to-bag and electric-bag compounding, among which electricity-to-bag is the mainstream technology.

The current technical scheme of changing the bag with electricity is shown in Figure 2. Parts of the two clean air chambers s04 on both sides are located below the exhaust passage s03, which is convenient for the exhaust passage to communicate with the clean air chamber to discharge the filtered gas. The upper part of the clean air chamber s04 is provided with an inspection port and a detachable sealing cover, the lower part of the clean air chamber s04 is a filter unit, and the middle part of the clean air chamber s04 is a reverse pulse cleaning component s06 corresponding to the filter unit, the filter unit It is formed by the combination of a flower plate fixed on the bottom surface of the clean air chamber and a number of dense vertical filter bag assemblies that are regularly arranged on the flower plate, see Figure 3; filter bags are consumables and need to be replaced periodically. In this technical solution, the upper reverse pulse cleaning assembly s06 needs to be removed before replacing the filter bag. The cleaning pipe of the reverse pulse cleaning assembly s06 is combined with the steam drum, and the overall volume and weight are heavy, and there are many procedures for removal. , and the replacement efficiency is low due to the high place. After the replacement is completed, the reverse pulse cleaning component s06 is reinstalled. It can be seen that the current electric bag replacement technical solution has the problem of high labor intensity and low efficiency in filter bag replacement. . Since part of the clean air chamber s04 is below the exhaust passage s03, the filter bag cannot be placed due to the length of the filter bag assembly and the inability to bend the rigid bag cage matching the filter bag. There is also the defect of insufficient utilization of internal space.

SUMMARY OF THE INVENTION

In view of the above-mentioned defects in the prior art, the technical problem to be solved by the present invention is to provide a bag dust removal device that is easy to install and maintain. The space of the bag, and then the flower plate for installing the filter bag is designed to slide outward, so that the replacement of all the filter bags is completed in this space, which saves the process of disassembling and assembling the reverse pulse cleaning assembly, and improves the replacement. efficiency.

The invention object of the present invention is achieved through the following technical solutions: a bag dust removal device that is easy to install and maintain, comprising a dust collector housing, a dust-laden gas inlet for introducing dust-laden gas, and a dust-containing gas inlet that is arranged above the dust collector casing and located in the center The position runs through the entire length of the exhaust passage, the improved clean air chambers arranged on both sides of the exhaust passage, and the filter units arranged at the lower part of each improved clean air chamber; arranged at the lower part of the filter unit and corresponding to each improved clean air chamber The ash hopper corresponding to each clean air chamber is provided with a reverse pulse ash cleaning component that can be turned upwards; the filter unit includes a vertically arranged filter bag assembly.

Preferably, the filter unit includes a flower plate that is arranged on the bottom surface of the clean air chamber and can slide outward relative to the bottom surface of the clean air chamber, a sliding component that is arranged to perform a sliding action on the flower plate, and a through hole is arranged on the surface of the flower plate. A filter bag assembly is vertically sleeved in the through hole. The flower plate is set to slide outwards so that it can be used in combination with the reverse function of the reverse pulse cleaning assembly, and the filter bag is mechanically hoisted from top to bottom, thus changing the traditional way of manually installing the filter bag. Greatly improve the installation efficiency.

Preferably, a part of each two opposite improved clean air chambers is located at the lower part of the exhaust passage, and the inner space of the lower part is not used in the prior art solution. The improved clean air chamber includes a clean air chamber shell, and the clean air The upper surface of the chamber shell is located at the lower part of the exhaust channel, and the exhaust port is located at the outer side of the exhaust channel. The edge of the sliding escape port and the sliding escape port are provided with a stop opening extending to the outside, and a sealing strip is arranged on the stop opening.

Preferably, the lower surface of the clean air chamber shell is provided with a filter bag accommodating opening, the filter bag accommodating opening is a rectangle whose four sides are close to the corresponding side walls and all four sides have upwardly extending ribs, and each rib is provided with a sealing strip . The rib has two functions, one is to seal the clean air chamber shell together with the lower pressure frame after the sealing strip is installed, and the other is to block the moving position of the slide rail and play a limiting role, so as to facilitate the arrangement of flowers. The plate forms a slide in the manner of a slide rail.

Preferably, the improved clean air chamber further comprises an inspection cover that partially covers and seals the overturn avoidance opening through the screw, and a sliding cover that covers and seals the sliding avoidance opening detachably through the screw.

Preferably, the dust removal device further includes an inversion assembly for inverting the reverse pulse cleaning assembly upward, and the inversion assembly includes two bearing seats arranged on both sides of the inner side of the filter bag accommodating opening, which are hinged with the two bearing seats for installing the reverse pulse cleaning assembly. The turning frame of the ash cleaning pipe in the pulse ash cleaning assembly is provided with a plurality of adjustable pressing pieces for pressing the flower plate, which are spaced around a circle and can be adjusted up and down, and are fixedly arranged on the reverse pulse ash cleaning. The limit seal plate in the assembly, the two ends of the limit seal plate are provided with supports, the supports are hinged to open and close the opening and closing cylinder for opening and closing the overturning frame, and the end of the piston rod for opening and closing the cylinder is hinged to the sliding block, which is connected with the sliding block. The sliding rail matched with the moving block is fixedly arranged on the corresponding upper surface of the clean air chamber shell, the upper surface of the limit sealing plate is provided with a protruding strip in the length direction, and the protruding strip is provided with a sealing strip. In view of the fact that the steam drum of the reverse pulse ash cleaning assembly is outside, the connection between the steam drum and the ash cleaning pipe needs to be set up with a separate limit sealing plate, so that the overall sealing plate for sealing the overturning escape port is divided into two pieces. The small limit sealing plate is convenient for the ash cleaning pipe to do sleeve connection and sealing, and it is convenient to set the opening and closing cylinder at the limit sealing plate to control the reverse pulse cleaning assembly. Pressed against the limit sealing plate, the convex strip of the limit sealing plate plus the sealing strip and the remaining sealing strips form a seal for the entire overturn avoidance opening.

Preferably, the sliding assembly includes two upper slide rail kits fixedly arranged on both sides of the flower plate, and two lower slide rails slidingly matched with the upper slide rail kits, one end of which is fixed on the clean air chamber shell and the other end partially fits on the slide rail. The fixing bars on the rails are arranged at intervals in the width direction of the fixing bars with a plurality of return springs; the two lower rails are respectively slidably arranged on the left and right sides of the filter bag accommodating opening, and the ends of the two lower rails facing the outside are set by setting The mounting seat is connected to the servo motor, the output shaft of the servo motor is connected to the gear, and is arranged on the inner bottom surface of the clean air chamber shell to prevent the elastic thrust piece from continuing to move after the flower plate is in place. roller. Since the dust removal device itself filters dust and harmful substances, there will also be residual uncertain or corrosive substances inside the clean air chamber, and the filtered airflow usually has a high temperature, so the inside of the clean air chamber The set sliding component needs to avoid electrical equipment as much as possible to reduce the failure rate and avoid malfunction. In view of the fact that the electrical equipment in this sliding component only has a motor, and the motor is connected to the sliding rail, that is, when the clean air is used. When the chamber is in working state, the motor naturally moves out of the meshing area of the corresponding rack along with the lower rail, so that there is no misoperation of the servo motor in structure and no displacement of the flower plate in the state of motor failure, thereby damaging the filter bag assembly. possibility.

Preferably, the upper slide rail kit is composed of an upper slide rail and a rack; the side of the upper slide rail away from the flower plate is a rail profile, the rail profile is provided with an avoidance groove on the side, and the lower part of the avoidance groove is provided with a vertical surface and a vertical surface. The inclined surface intersected by the straight surface, the vertical surface and the inclined surface together serve as the upper sliding part of the guide rail; the side of the upper slide rail close to the flower plate is the lower pressure strip, and the lower part of the lower pressure strip is fixedly arranged to form a closed loop along the outer edge of the flower plate And the sealed lower frame body; the length of the rail profile is set to be the same as the length of the side connected to the flower plate, the inner end of the lower pressure strip is set to be flush with the inner wall of the flower plate, and the other end is beyond the outer wall, and the excess part is provided with a roof. Press the roller, so that an escape gap is naturally formed between the rail profile and the lower pressure strip on the outward side of the upper slide rail set. The avoidance gap is used to avoid the movement of the gear; when the sliding cover is closed, the flower plate overcomes the elastic thrust piece to reach the set position by abutting the pressing roller. At this time, the setting of the roller and the pressing roller enables the flower plate to go up and down Sliding, thereby realizing the airtightness of the clean air chamber by pressing the pattern plate.

Preferably, the cross section of the lower rail is generally inverted T-shaped, wherein the side facing the flower plate is provided with a lower sliding portion matching the upper sliding portion, and the upper end surface of the lower rail is provided with a limiter to restrict the upward movement of the upper sliding rail kit. Limiting strip; the lower part of the lower rail is away from the flower plate, and it extends into the bottom of the fixing strip. The two are tightly slidable, and the length of the other side extending outward is set when the return spring is in an extended state. can resist to the sidewall. In this way, the mutual position of the lower sliding part and the upper sliding part is not a clamped state, but the vertical plane and the upper plane have a small gap, that is, they are in a state where they can slide closely to each other. The purpose of the reset of the lower rail is also to Raise the flower plate, so that the pressing frame is separated from the sealing strip of the rib to form a gap, and at the same time, the reset of the sliding rail also makes the gear connected to the servo motor return to the position where it can be engaged with the rack, and then by opening the sliding cover, the elastic The thrust piece releases the elastic force and pushes the whole flower plate forward for a certain distance, so that the rack enters and meshes with the gear. At this time, two servo motors are activated to drive the whole flower plate to slide out.

To sum up, the present invention has the following advantages compared with the prior art:

The present invention proposes a brand-new technical solution for electric bag changing. The reverse pulse ash cleaning assembly is set to be flipped upward, and the flower plate is set to be able to slide sideways, so as to obtain the space for installing the filter bag above, and at the same time The installation space is a fixed position, so it is convenient to use external machinery to intervene in installation and disassembly. When the reverse pulse dust cleaning assembly is turned down and reset, the adjustable pressing member set on the turning frame presses the flower plate down to achieve The clean air chamber is sealed and the flower plate is fixed, so that the clean air chamber can still be kept sealed without affecting the use, which reduces the process of re-assembling and disassembling the reverse pulse cleaning assembly when replacing the filter bag, which greatly reduces the operation. Labor intensity, and the sliding of the flower plate allows the filter bag assembly to be installed at the position below the exhaust channel, thereby making more use of the filter space.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the partial structure schematic diagram of the technical scheme of changing the bag with the original electricity in the background technology;

Figure 3 is a schematic structural diagram of the combination of the improved clean air chamber, the reverse pulse cleaning assembly and the filter unit;

Fig. 4 is a partial enlarged view at B in Fig. 3;

Figure 5 is a schematic structural diagram of a part of the improved clean air chamber after the inspection cover is removed and the reverse pulse cleaning assembly and the filter unit are combined;

Fig. 6 is the partial enlarged view of A place in Fig. 1;

7 is a schematic structural diagram of the improved clean air chamber after removing the sliding cover plate, combined with the reverse pulse cleaning assembly and the filter unit;

Figure 8 is a schematic structural diagram of the inversion assembly, the reverse pulse cleaning assembly and the flower plate in the clean air chamber shell after the combination, for the convenience of observation, the clean air chamber shell is partially cut away;

FIG. 9 is a schematic structural diagram of the flipping assembly in the clean air chamber housing after it is flipped upwards, the clean air chamber housing is partially cut away for easy observation;

Fig. 10 is a partial enlarged view at D in Fig. 9;

Fig. 11 is a structural schematic diagram after the sliding assembly and the flower plate are combined;

Fig. 12 is a partial enlarged view at E in Fig. 11;

13 is a schematic structural diagram of another angle after the sliding assembly is combined with the flower plate;

Figure 14 is a partial enlarged view at F in Figure 13;

Figure 15 is a partial enlarged view at C in Figure 7;

Figure 16 is a schematic structural diagram of a clean air chamber shell;

Figure 17 is a schematic diagram of the structure when the filter bag is installed after the shell of the clean air chamber and the reverse pulse cleaning assembly are turned upwards, the flower plate slides out to the outside, and the filter bag is installed.

Marked in the figure: dust collector shell s01; dusty gas inlet s02; exhaust passage s03; clean air chamber s04; ash hopper s05; reverse pulse cleaning assembly s06; cleaning pipe s062; steam drum s063; chamber 100; clean air chamber housing 110; exhaust port 111; overturn avoidance port 112; slip escape port 115; filter bag accommodating port 113; ; Flower plate 210; Sliding assembly 220; filter bag assembly 22rd; slide rail kit 221; slide rail 221a; rack 221b; 22cc; rail profile 22xc; lower pressure bar 22xy; lower rail 222; lower sliding part 222a; limit bar 222b; fixing bar 223; return spring 224; 600; bearing seat 610; turning frame 620; adjustable pressing member 621; limit sealing plate 630; support 631;

Detailed ways

The present invention will be further described below in conjunction with the embodiments represented by the accompanying drawings:

Example 1

As shown in Figure 1, a bag dust removal device that is easy to install and maintain is mainly used in the sintering machine tail of iron and steel plants or the kiln tail of cement plant for dust collection and filtration. Above the shell s01 and located at the center position, the exhaust passage s03 runs through the entire length, and the dust-laden gas inlet s02 is used to introduce the dust-laden gas. The filter unit 200 at the lower part of each improved clean air chamber 100 is shown in FIG. 3 ; the ash hopper s05 arranged at the lower part of the filter unit 200 and corresponding to each improved clean air chamber 100 can be flipped upward corresponding to each clean air chamber s04 The reverse pulse cleaning assembly s06, the inversion assembly 600 used to turn the reverse pulse cleaning assembly s06 upward is shown in Figure 3; The moving flower plate 210 is shown in FIG. 9 , and the sliding assembly 220 configured to perform the sliding action of the flower plate 210 is shown in FIG. 8 . , see Figure 3; During operation, the dust-laden gas is introduced into the filter unit 200 from the dust-laden gas inlet s02, the dust with large particles falls directly into the ash hopper s05 with its own weight, and the tiny dust is filtered by the filter bag and adheres to the surface of the filter bag , and then perform reverse blowing by setting the reverse pulse cleaning component s06 to make the filter bag vibrate and deform, so that when the attached dust is shaken off, it falls into the ash hopper s05 for unified collection for post-processing, and the filter capacity of the filter bag is restored to the original. .

As shown in Figures 1-17, the two modified clean air chambers 100 on opposite sides are partially located at the lower part of the exhaust passage s03, the improved clean air chamber 100 includes a clean air chamber housing 110, and the upper surface of the clean air chamber housing 110 is located in the lower part of the exhaust passage s03. The position of the lower part of the exhaust channel s03 is provided with an exhaust port 111. The part located outside the exhaust channel s03 is provided with a flipping escape port 112 for the reverse pulse cleaning assembly s06 to be turned upward, and the front side of the clean air chamber shell 110 is provided with The sliding avoidance port 115 for the sliding of the flower plate 210, the edge of the overturn avoidance port 112 and the sliding avoidance port 115 all have a stop opening extending to the outside. There is a filter bag accommodating port 113 for accommodating the flower plate 210 and the filter bag assembly 22rd. The filter bag accommodating port 113 is a rectangle whose four sides are close to the corresponding side walls and all four sides have upwardly extending ribs 114. There is a sealing strip; the reverse pulse cleaning assembly s06 includes a cleaning pipe s062 arranged inside the clean air chamber shell 110 and a steam drum s063 externally connected to the cleaning pipe;

The improved clean air chamber 100 also includes an inspection cover 120 that partially covers and seals the overturn avoidance opening 112 through a screw detachable screw, and a sliding cover 130 that covers and seals the sliding avoidance opening 115 detachably through the screw;

The inversion assembly 600 includes two bearing seats 610 arranged on both sides of the inner side of the filter bag accommodating opening 113, and is hinged with the two bearing seats 610 for installing the inversion frame 620 of the cleaning pipe in the reverse pulse cleaning assembly s06. A plurality of adjustable pressing members 621 for pressing the flower plate 210 are arranged around a circle at intervals and can be adjusted up and down, and the limit sealing plate 630 is fixedly arranged under the steam drum in the reverse pulse cleaning assembly s06; Both ends of the position sealing plate 630 are provided with supports 631. The supports 631 are hinged to the opening and closing cylinder 632 used for opening and closing the overturning frame 620. The slide rail matched with 633 is fixedly arranged on the corresponding upper surface of the clean air chamber housing 110, the upper surface of the limit sealing plate 630 is provided with a protruding strip 634 in the length direction, and a sealing strip is provided on the protruding strip 634; Turning down means that the whole is in a closed state. At this time, the turning frame 620 and the lower flower plate 210 are horizontal, the adjustable pressing member 621 presses the flower plate 210 to make it fixed, and the limit sealing plate 630 is pressed against the net. The sealing strip corresponding to the air chamber shell 110 and the pressing part are sealed. At this time, the position and height of the upper sealing strip of the protruding strip 634 are flush with the position of the sealing strips on both sides. The purpose of setting the height to be flush is to pass Install the access cover 120, the access cover 120 is partially attached to the upper surface of the limit sealing plate 630, and the sealing strip on the stop of the overturn avoidance port 112 and the sealing strip on the protruding strip 634 are pressed together, so that the overturn avoidance port 112 It can be completely sealed; when opening, it is necessary to remove the inspection cover 120 first, start the opening and closing cylinder 632, and its piston rod pushes the lower turning frame 620 to flip up and open to a certain angle. The access cover 120 needs to close the overturn avoidance port 112, so the inner side of the overturn avoidance port 112 needs to be set outside so that the side can be provided with an exposed stop and other side stops to form a closed loop. In order to make full use of more space as a filter unit, the hinge point between the inversion frame 620 and the bearing seat 610 is set near the inner wall of the clean air chamber housing 110, so as to arrange the nozzles on the cleaning pipe for cleaning dust, that is, the inversion frame The upward turning angle of the 620 has a limit that cannot be opened too large. Therefore, it is necessary to design the flower plate 210 to be able to slide outward, so that each filter bag can be close to the outside of the clean air chamber shell 110. Figure 17 to complete the snap-fit installation.

The sliding assembly 220 includes two upper slide rail sets 221 fixedly arranged on both sides of the flower plate 210, and two lower slide rails 222 slidingly matched with the upper slide rail set 221, one end is fixed on the clean air chamber shell 110 and the other end is partially attached. The fixing bars 223 that are combined with the lower rails 222, and a plurality of return springs 224 arranged at intervals in the width direction of the fixing bars 223; The outer end of the lower rail 222 is connected to the servo motor 22dj through a mounting seat, and the output shaft of the servo motor 22dj is connected to the gear 22cc, and the gear 22cc can be engaged with or separated from the rack 221b; The inner bottom surface of the body 110 is used to block the elastic thrust piece 22zt that continues to move after the flower plate 210 is in place, and a roller is provided at the position where the elastic thrust piece 22zt collides with the flower plate 210; The lower rail 222 is pushed to the rib 114 , see FIG. 10 .

The upper slide rail kit 221 is composed of an upper slide rail 221a and a gear rack 221b; the side of the upper slide rail 221a away from the flower plate 210 is a guide rail profile 22xc, the rail profile 22xc is provided with an avoidance groove 221c on the side, and the lower part of the avoidance groove 221c is provided with a guide rail 22xc. The vertical surface and the inclined surface intersecting with the vertical surface, the vertical surface and the inclined surface together serve as the upper sliding part 221d of the guide rail; the side of the upper sliding rail 221a close to the flower plate 210 is the lower pressure strip 22xy, which is located at the lower part of the lower pressure strip 22xy The fixed setting forms a closed-loop and sealed pressing frame body 221e around the outer edge of the flower plate 210; the length of the rail profile 22xc is set to be the same as the length of the side connected to the flower plate 210, and the inner end of the lower pressure strip 22xy is set to be the same as the flower plate. The inner side wall of 210 is flush and the other end extends beyond the outer side wall, and the excess part is provided with a pressing roller 22dy, so that an escape gap 22br is naturally formed between the rail profile 22xc and the lower pressure strip 22xy on the outer side of the upper slide rail set 221. The avoidance gap 22br is used to avoid the movement of the gear 22cc;

The cross section of the lower rail 222 is generally inverted T-shaped, wherein the side facing the flower plate 210 is provided with a lower sliding portion 222a matching the upper sliding portion 221d, and the upper end surface of the lower rail 222 is provided with a limiting upper sliding rail set 221 The limit bar 222b that moves upward; the lower part of the lower part of the slide rail 222 is away from the flower plate 210 and extends into the lower part of the fixing bar 223. The two are tightly slidable, and the length of the other side extending outward is set to be When the return spring 224 is in an extended state, it can interfere with the retaining edge 114;

The working principle of the sliding assembly 220 is introduced with reference to the accompanying drawings. FIG. 6 shows the state of the improved clean air chamber 100 in normal operation. At this time, after the sliding cover 130 is closed, the inner surface of the sliding cover 130 corresponds to the pressing roller. A bump is set at the position of 22dy, and the bump presses the top pressing roller 22dy to make the flower plate 210 overcome the elastic thrust piece 22zt to slide to the correct position. When closed, the overturning frame 620 is turned to the ash cleaning pipe s062 parallel to the flower plate 210, and the adjustable pressing member 621 is correspondingly pressed against the peripheral edge of the flower plate 210. The pressing force forces the flower plate 210 to descend as a whole until the frame is pressed down The body 221e is pressed against the sealing strip of the rib 114 to form an overall airtightness. Here, the pressing roller 22dy and the roller in the elastic thrust member 22zt provided above enable the flower plate 210 to smoothly descend, and the flower plate 210 can be lowered as a whole. The upper sliding portion 221d forces the lower sliding portion 222a to overcome the thrust of the return spring 224 to move the two lower rails 222 to the outside of the respective sides. The purpose of the outside movement is to make the servo motor 22dj and the gear 22cc set together as shown in FIG. 15 . The meshing area corresponding to the rack 221b is removed as shown, so that the servo motor 22dj does not have the possibility of misoperation and motor failure in the structure to cause the flower plate to displace, thereby damaging the filter bag assembly 22rd; when the filter bag needs to be replaced When the sliding assembly 220 needs to slide outward, first open the inspection cover 120 to activate the opening and closing cylinder 632 to make the turning frame 620 turn upwards. At this time, the pressing force on the flower plate 210 disappears, and the sliding rail 222 acts on the return spring 224. As shown in FIG. 10 , the lower sliding part 222 a and the upper sliding part 221 d cooperate as shown in FIG. 12 , that is, the two are in a fit state, and the limit bar 222 b enters the avoidance groove 221 c to limit the flower plate 210 The height of the upward movement, the lower part of the lower rail 222 abuts against the rib 114, so that the mutual position of the lower sliding part 222a and the upper sliding part 221d is not clamped, and the vertical plane and the upper plane have a small gap, that is The sliding rails 222 are in a state of being able to slide closely to each other. The purpose of resetting the sliding rails 222 is to make the flower plate 210 rise, so that the pressing frame 221e is separated from the sealing strip of the rib 114 to form a gap. At the same time, the resetting of the sliding rails 222 also makes the servo motor 22dj The connected gear 22cc returns to the position where it can be engaged with the rack 221b, and then by opening the sliding cover 130, the elastic thrust piece 22zt releases the elastic force and pushes the whole plate 210 forward for a certain distance, so that the rack 221b enters into the gear rack 221b. The 22cc meshes with each other. At this time, the two servo motors 22dj are activated to drive the flower plate 210 to slide out as a whole through the gear 22cc.

The use of the present invention when replacing the filter bag: the installation of the filter bag assembly 22rd can be installed separately from the bag cage and the cloth bag, or it can be installed together, the difference between the two is only that the separate installation needs to set the cloth bag on each of the flower boards first. In the round hole, the bag cage is assembled and installed together, and the cloth bag and the bag cage have been pre-assembled to form a filter bag assembly, which can be directly inserted into the flower plate, that is, the sliding component 220 first installs the flower plate 210 Slide to the outer edge of the last row close to the accommodating hole 113 , and then slide the pattern plate 210 inward by one row for each row of bag cages installed until all installations are completed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definitions of the appended claims range.

Claims (9)

1. A bag dust collector convenient for installation and maintenance, which is characterized by comprising a dust collector shell (s 01), a dust-containing gas inlet (s 02) for introducing dust-containing gas, an exhaust channel (s 03) which is arranged above the dust collector shell (s 01) and positioned at the center and penetrates through the whole length, improved air purifying chambers (100) arranged at two sides of the exhaust channel (s 03), and a filtering unit (200) arranged at the lower part of each improved air purifying chamber (100); the ash hopper (s 05) is arranged at the lower part of the filtering unit (200) and corresponds to each improved air purifying chamber (100), and a reverse pulse ash cleaning component (s 06) which can be overturned upwards is arranged corresponding to each air purifying chamber (s 04); the filter unit (200) includes a vertically disposed filter bag assembly (22 rd).

2. The bag dust collector convenient to install and maintain as claimed in claim 1, wherein the filtering unit (200) comprises a flower plate (210) arranged at the bottom surface of the air purifying chamber and capable of sliding outwards relative to the bottom surface of the air purifying chamber, and a sliding assembly (220) arranged for sliding the flower plate (210), wherein through holes are formed in the array of the plate surface of the flower plate (210), and the filter bag assembly (22 rd) is vertically sleeved in the through holes.

3. The bag dust collector convenient to install and maintain of claim 1, wherein every two opposite improved air-purifying chambers (100) have a part located at the lower part of the exhaust channel (s 03), the improved air-purifying chambers (100) comprise air-purifying chamber shells (110), the upper surface of the air-purifying chamber shells (110) is provided with an air outlet (111) at the lower part of the exhaust channel (s 03), the part of the air outlet (111) located at the outer side of the exhaust channel (s 03) is provided with a turnover avoiding port (112), the front side surfaces of the air-purifying chamber shells (110) are provided with sliding avoiding ports (115), the edges of the turnover avoiding port (112) and the sliding avoiding ports (115) are provided with stop ports extending outwards, and sealing strips are arranged on the stop ports.

4. The bag dust collector easy to install and maintain as claimed in claim 3, wherein the lower surface of the air-purifying chamber housing (110) is provided with a filter bag receiving opening (113), the filter bag receiving opening (113) is rectangular with four sides close to the corresponding side walls and four sides having upwardly extending ribs (114), and each rib (114) is provided with a sealing strip.

5. The bag house dust collector apparatus easy to install and maintain as claimed in claim 3, wherein the improved air-purifying chamber (100) further comprises an access cover plate (120) partially covering and sealing the turning-over avoiding opening (112) by a screw detachable, and a sliding cover plate (130) partially covering and sealing the sliding-over avoiding opening (115) by a screw detachable.

6. The bag dust collector convenient for installation and maintenance of claim 4, further comprising a turning assembly (600) for turning the reverse pulse ash cleaning assembly (s 06) upwards, wherein the turning assembly (600) comprises two bearing seats (610) arranged at two sides of the inner side of the filter bag containing port (113), a turning frame (620) hinged with the two bearing seats (610) and used for installing the ash cleaning pipe in the reverse pulse ash cleaning assembly (s 06), a plurality of adjustable pressing pieces (621) used for pressing the flower plate (210) are arranged at intervals around the turning frame (620) and can be adjusted up and down, a limit sealing plate (630) fixedly arranged in the reverse pulse ash cleaning assembly (s 06), supports (631) are arranged at two ends of the limit sealing plate (630), and the supports (631) are hinged with an opening and closing cylinder (632) used for opening and closing the turning frame (620), the piston rod end of the opening and closing cylinder (632) is hinged with a sliding block (633), a sliding rail matched with the sliding block (633) is fixedly arranged on the corresponding upper surface of the air purifying chamber shell (110), a protruding strip (634) is arranged in the length direction of the upper surface of the limiting sealing plate (630), and a sealing strip is arranged on the protruding strip (634).

7. The bag dust collector convenient for installation and maintenance of claim 6, wherein the sliding assembly (220) comprises two upper sliding rail set members (221) fixedly arranged at two sides of the flower plate (210), two lower sliding rails (222) in sliding fit with the upper sliding rail set members (221), a fixing strip (223) with one end fixed at the other end part of the air purifying chamber shell (110) and attached to the lower sliding rails (222), and a plurality of return springs (224) arranged at intervals in the width direction of the fixing strip (223); the two lower sliding rails (222) are respectively arranged on the left side and the right side of the filter bag containing opening (113) in a sliding manner, the end parts of the two lower sliding rails (222) facing the outer side are connected with the servo motor (22 dj) through arranging the mounting seat, the output shaft of the servo motor (22 dj) is connected with the gear (22 cc), the elastic thrust piece (22 zt) is arranged on the bottom surface of the inner side of the air purifying chamber shell (110) and used for blocking the pattern plate (210) to move continuously after being in place, and a rolling shaft is arranged at the part where the elastic thrust piece (22 zt) is abutted to the pattern plate (210).

8. The bag house dust collector apparatus of claim 7, said upper slide assembly (221) consisting of an upper slide (221 a) and a rack (221 b); one side of the upper sliding rail (221 a) far away from the pattern plate (210) is provided with a guide rail section bar (22 xc), the side of the guide rail section bar (22 xc) is provided with an avoiding groove (221 c), the lower part of the avoiding groove (221 c) is provided with a vertical surface and an inclined surface intersected with the vertical surface, and the vertical surface and the inclined surface are jointly used as an upper sliding part (221 d) of the guide rail; one side of the upper sliding rail (221 a) close to the pattern plate (210) is provided with a lower pressing strip (22 xy), and the lower part of the lower pressing strip (22 xy) is fixedly provided with a lower pressing frame body (221 e) which forms a closed loop and is sealed along one circle of the outer edge of the pattern plate (210); the length of the guide rail section bar (22 xc) is set to be the same as the side length connected with the flower plate (210), one end of the lower pressing bar (22 xy) close to the inner side is set to be flush with the inner side wall of the flower plate (210), the other end of the lower pressing bar exceeds the outer side wall, and a jacking roller (22 dy) is arranged at the exceeding part of the lower pressing bar, so that an avoiding notch (22 br) is naturally formed between the guide rail section bar (22 xc) and the lower pressing bar (22 xy) of the outward side of the upper slide rail sleeve piece (221).

9. The bag dust collector easy to install and maintain as claimed in claim 7, wherein the cross section of the lower slide rail (222) is substantially inverted T-shaped, wherein one side facing the faceplate (210) is provided with a lower sliding part (222 a) matched with the upper sliding part (221 d), and the upper end surface of the lower slide rail (222) is provided with a limiting strip (222 b) for limiting the upper slide rail set (221) to move upwards; the lower part of the lower slide rail (222) is far away from one side of the faceplate (210) and extends into the lower part of the fixing strip (223), the lower part of the lower slide rail and the fixing strip are in close slidable fit, and the length of the other side extending outwards is set to be capable of abutting against the flange (114) when the return spring (224) is in an extending state.

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