阅读说明：本技术 一种袋式除尘器 (Bag type dust collector ) 是由 柴峰 于 2021-09-27 设计创作，主要内容包括：本发明涉及环保除尘设备技术领域,且公开了一种袋式除尘器,包括筒体,所述筒体的底端固定连接灰斗,位于所述进气件上方、出气件下方的筒体内壁固定套接固定板,位于所述固定板上方的筒体开设有孔,且筒体通过孔与脉冲装置固定连接,所述固定板的开设有气体孔,且对应气体孔位置的脉冲装置底端开设有脉冲气孔。本发明通过在滤袋的外侧设置可移动的活动杆,利用旋转组件旋转带动推动件推动活动杆在清灰状态时向滤袋处聚拢,促使在滤袋膨胀时两个活动杆和四个限位件构成环形有效限制滤袋的膨胀尺寸,防止了滤袋膨胀过度而造成滤袋的使用寿命降低,同时活动杆在过滤状态远离滤袋,避免了活动杆环绕在滤袋周围造成滤袋除尘效率降低。(The invention relates to the technical field of environment-friendly dust removal equipment, and discloses a bag type dust collector which comprises a barrel, wherein the bottom end of the barrel is fixedly connected with an ash hopper, a fixing plate is fixedly sleeved on the inner wall of the barrel, which is positioned above an air inlet piece and below an air outlet piece, a hole is formed in the barrel, which is positioned above the fixing plate, the barrel is fixedly connected with a pulse device through the hole, a gas hole is formed in the fixing plate, and a pulse gas hole is formed in the bottom end, corresponding to the gas hole, of the pulse device. According to the invention, the movable rod is arranged on the outer side of the filter bag, the rotary component is used for rotating to drive the pushing piece to push the movable rod to gather to the filter bag when the filter bag is in the ash removal state, so that the two movable rods and the four limiting pieces form a ring shape when the filter bag is expanded to effectively limit the expansion size of the filter bag, the service life of the filter bag is prevented from being reduced due to excessive expansion of the filter bag, and meanwhile, the movable rods are far away from the filter bag when in the filtering state, so that the dust removal efficiency of the filter bag is prevented from being reduced due to the fact that the movable rods surround the filter bag.)

1. The utility model provides a bag collector, includes barrel (1), bottom fixed connection ash bucket (2) of barrel (1) are located fixed the cup jointing fixed plate (4) of barrel (1) inner wall of air inlet (11) top, play gas (12) below is located barrel (1) upper side is seted up porosely, and barrel (1) clearing hole and pulse device (3) fixed connection, its characterized in that: the fixing plate (4) is provided with a gas hole, the bottom end of the pulse device (3) corresponding to the position of the gas hole is provided with a pulse gas hole, the bottom end of the fixing plate (4) surrounding the gas hole of the fixing plate (4) is clamped and connected with a mounting ring (41) in a surrounding manner, the bottom end of the mounting ring (41) is provided with a ring groove, the mounting ring (41) is movably connected with the top end of the filter bag (5) through a ring groove, the mounting ring (41) positioned at the two sides outside the ring groove is provided with a rectangular groove, and the inner walls of the two sides of the rectangular groove are fixedly connected with long rods, the long rods of the mounting ring (41) are movably sleeved with the upper ends of the movable rods (6), both sides of the movable rod (6) are fixedly connected with limiting pieces (61), a hole is arranged on the cylinder body (1) positioned below the movable rod (6), and the cylinder body (1) is movably sleeved with the rotating component (8) through a hole, and the surface of the rotating component (8) positioned at the corresponding position of the lower end of the movable rod (6) is fixedly connected with a pushing piece (81).

2. A bag house as defined in claim 1, wherein: the utility model discloses a long gasbag, including the movable rod (6), the non-porose movable rod (6) of locating part (61) coupling part of the non-of long gasbag (7) opposite side is seted up porosely, and movable rod (6) clearing hole cup joints with activity piece (71), the long gasbag of one end fixed connection (7) of activity piece (71), and the long gasbag (7) inside little spring that is equipped with that corresponds with activity piece (71) position.

3. A bag house as defined in claim 2, wherein: the inner wall of the ash bucket (2) is provided with an elongated slot, the bottom end of the elongated slot is fixedly connected with the bottom end of the side air bag (9), the bottom end of the inside of the side air bag (9) is provided with a spring, and the side air bag (9) is connected with the movable plate (91) through the spring.

4. A bag house as defined in claim 3, wherein: the quantity of filter bag (5) is two, one filter bag (5) correspond a set of movable rod (6), and the quantity of movable rod (6) is two, one movable rod (6) correspond two locating parts (61), the shape of locating part (61) is the quarter ring form, locating part (61) and movable rod (6) junction have seted up the air vent, and the air vent runs through long gasbag (7), movable rod (6), locating part (61), the exhaust hole has been seted up on the inner circle surface of locating part (61), and the exhaust direction slant of exhaust hole is downwards.

5. A bag house as defined in claim 4, wherein: the pushing pieces (81) are of a double-spiral structure, the distance between the two spiral pieces of the pushing pieces (81) is adaptive to the width of the movable rod (6), the pushing pieces (81) which are close to the head of the rotating assembly (8) in one group of the pushing pieces (81) are arranged in the forward direction, and the pushing pieces (81) which are far away from the head of the rotating assembly (8) are arranged in the reverse direction.

6. A bag house as defined in claim 5, wherein: the surface of the side air bag (9) is provided with N grooves, so that the surface of the side air bag (9) forms a rough inclined surface.

7. A bag house as defined in claim 6, wherein: the movable plate (91) is provided with N-type magnetism, one end of the pushing piece (81) close to the inner wall of the barrel (1) is provided with S-type magnetism, the other end of the pushing piece (81) is provided with N-type magnetism, and two ends of one pushing piece (81) face in opposite directions.

Technical Field

The invention relates to the technical field of environment-friendly dust removing equipment, in particular to a bag type dust collector.

Background

A bag collector is a dry dust filter device suitable for trapping fine, dry, non-fibrous dust. The main structure of the bag type dust collector is provided with a filter bag, an ash bucket and the like, when dust-containing gas enters the bag type dust collector, dust with large particles and large specific gravity falls into the ash bucket due to the gravity effect, and the filter bag filters the dust by utilizing the filtering effect of fiber fabrics in the upward movement process of the gas containing fine dust, so that the dust is retained on the surface of the filter bag, and the gas is purified.

After the bag type dust collector operates for a period of time, a dust layer accumulated on the dust facing surface of a filter bag of the bag type dust collector becomes thicker and thicker, so that the resistance loss of the dust collector is increased, and the dust collection efficiency of the dust collector is seriously influenced, therefore, the bag type dust collector needs to be subjected to a dust cleaning process after the bag type dust collector operates for a period of time.

The common ash removal mode of the bag type dust collector is generally divided into two categories of mechanical shaking ash removal and pulse spraying ash removal, wherein the pulse spraying ash removal adopts compressed air to make the filter bag produce repeated expansion and impact vibration, so that the deposited ash attached to the surface of the filter bag is shaken off, the ash removal is thorough, but because the pulse impact force is large, the filter bag is too large in expansion due to high wind speed, and frequent pulse causes frequent expansion stress of the filter bag, and the damage and the replacement rate of the filter bag are increased.

Disclosure of Invention

Aiming at the defects of the prior bag type dust collector in the use process in the background art, the invention provides the bag type dust collector which has the advantages of preventing the filter bag from being over expanded, prolonging the service life of the filter bag and simultaneously improving the dust collection efficiency, and solves the technical problems in the background art.

The invention provides the following technical scheme: a bag type dust collector comprises a barrel body, wherein a bottom end of the barrel body is fixedly connected with an ash bucket, a fixed plate is fixedly sleeved on the inner wall of the barrel body above an air inlet part and below the air outlet part, the barrel body above the fixed plate is provided with a hole, the through hole of the barrel body is fixedly connected with a pulse device, the fixed plate is provided with a gas hole, the bottom end of the pulse device corresponding to the position of the gas hole is provided with a pulse gas hole, the bottom end of the fixed plate surrounding the gas hole of the fixed plate surrounds a clamping installation ring, the bottom end of the installation ring is provided with a ring groove, the installation ring is movably connected with the top end of a filter bag through the ring groove, the installation ring positioned at the two outer sides of the ring groove is provided with a rectangular groove, the inner wall of the two sides of the rectangular groove is fixedly connected with a long rod, the long rod of the installation ring is movably sleeved with the upper end of a movable rod, two side fixed connection limiting parts of the movable rod are provided with a hole below the barrel body, and the cylinder body is movably sleeved with the rotating assembly through the hole, and the surface of the rotating assembly positioned at the corresponding position of the lower end of the movable rod is fixedly connected with a pushing piece.

Preferably, the inner wall of one side of the inside of the movable rod is fixedly connected with one side of the long air bag, the movable rod which is not connected with the limiting part and is arranged on the other side of the long air bag is provided with a hole, the movable rod is movably sleeved with the movable block through the hole, the long air bag is fixedly connected with one end of the movable block, and a small spring is arranged inside the long air bag corresponding to the position of the movable block.

Preferably, the inner wall of the ash bucket is provided with an elongated slot, the bottom end of the elongated slot is fixedly connected with the bottom end of the side air bag, the bottom end inside the side air bag is provided with a spring, and the side air bag is connected with the movable plate through the spring.

Preferably, the number of the filter bags is two, one filter bag corresponds to one group of movable rods, the number of the movable rods is two, one movable rod corresponds to two limiting parts, the shape of each limiting part is a quarter ring, a vent hole is formed at the joint of each limiting part and each movable rod and penetrates through the long airbag, the movable rods and the limiting parts, the surface of the inner ring of each limiting part is provided with an exhaust hole, and the exhaust direction of each exhaust hole is inclined downwards.

Preferably, the pushing pieces are of a double-spiral structure, the distance between the two spiral pieces of the pushing pieces is matched with the width of the movable rod, the pushing piece close to the head of the rotating assembly in one group of the pushing pieces is arranged in the forward direction, and the pushing piece far away from the head of the rotating assembly is arranged in the reverse direction.

Preferably, the surface of the side airbag is provided with N grooves, so that the surface of the side airbag forms a rough slope.

Preferably, the movable plate has N-type magnetism, one end of the pushing member close to the inner wall of the cylinder body has S-type magnetism, the other end of the pushing member has N-type magnetism, and two ends of one pushing member face in opposite directions.

The invention has the following beneficial effects:

1. according to the invention, the movable rod is arranged on the outer side of the filter bag, the rotary component is used for rotating to drive the pushing piece to push the movable rod to gather to the filter bag when the filter bag is in the ash removal state, so that the two movable rods and the four limiting pieces form a ring shape when the filter bag is expanded to effectively limit the expansion size of the filter bag, the service life of the filter bag is prevented from being reduced due to excessive expansion of the filter bag, and meanwhile, the movable rods are far away from the filter bag when in the filtering state, so that the dust removal efficiency of the filter bag is prevented from being reduced due to the fact that the movable rods surround the filter bag.

2. According to the invention, the long air bag is arranged in the movable rod, the movable block is arranged at the position, not connected with the limiting piece, on the side surface of the movable rod, and the movable block is pushed into the movable rod by the filter bag when the filter bag expands, so that the filter bag part not surrounded by the limiting piece is further prevented from being excessively expanded, meanwhile, the movable block is also promoted to compress the long air bag, gas in the long air bag is discharged to the surface of the filter bag through the inclined lower exhaust hole of the limiting piece, the filter bag is subjected to further dust removal, and the dust removal efficiency of the filter bag is effectively improved.

3. According to the invention, different magnetism is arranged at the front end and the rear end of the pushing piece close to the side air bag, and the rotating states of the pushing piece are different in different states, so that the movable plate is not in contact with and extruded with the upper surface of the side air bag under the action of the magnetic repulsion force of the pushing piece in the filtering state, the upper surface of the side air bag is kept in a rough state, dust is effectively adsorbed, the reduction of the dust removal effect of a filter bag caused by secondary dust raising after settled dust enters the barrel is prevented, meanwhile, the movable plate is in contact with and extruded with the upper surface of the side air bag under the action of the magnetic attraction force of the pushing piece in the dust removal state, the upper surface of the side air bag is sunken and smooth, the dust is effectively reduced and falls out of the barrel, and the difficulty in cleaning the dust hopper caused by the accumulation of the dust on the dust hopper is prevented.

4. According to the invention, the movable rod and the filter bag are movably connected with the mounting ring at the same time, and the mounting ring is clamped with the fixed plate, so that the flexibility of dismounting and mounting the mounting ring, the filter bag and the movable rod is effectively enhanced, and the working efficiency of the barrel is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the filtration state of the present invention;

FIG. 2 is an enlarged view of a portion of the structure A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion of the structure shown at B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is a schematic view of the overall structure of the present invention in a dust removal state;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 5;

FIG. 7 is an enlarged view of a portion of the structure of FIG. 5 at E in accordance with the present invention;

FIG. 8 is a cross-sectional view of a portion of the retaining plate at the mounting ring of the present invention;

FIG. 9 is a schematic cross-sectional view of the movable rod located at the position of the position-limiting member in the filtering state according to the present invention;

FIG. 10 is a schematic cross-sectional view of the movable rod at the position of the position limiting member in the ash removing state according to the present invention.

In the figure: 1. a barrel; 11. an air intake member; 12. an air outlet member; 2. an ash hopper; 21. a bucket cover; 3. a pulse device; 4. a fixing plate; 41. a mounting ring; 5. a filter bag; 6. a movable rod; 61. a limiting member; 7. a long air bag; 71. a movable block; 8. a rotating assembly; 81. a pusher member; 9. a side airbag; 91. a movable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, 5-6 and 8, a bag type dust collector comprises a cylinder 1, an air inlet 11 is arranged below one side of the cylinder 1, an air outlet 12 is arranged on the cylinder 1 above the air inlet 11, a dust hopper 2 is fixedly connected to the bottom end of the cylinder 1, the bottom end of the dust hopper 2 is connected with a hopper cover 21 in a clamping manner, a fixing plate 4 is fixedly sleeved on the inner wall of the cylinder 1, the cylinder 1 above the fixing plate 4 is provided with a hole, the cylinder 1 is fixedly connected with a pulse device 3 through the hole, the fixing plate 4 is provided with a gas hole, the bottom end of the pulse device 3 corresponding to the gas hole is provided with a pulse gas hole, the bottom end of the fixing plate 4 surrounding the gas hole is clamped with a mounting ring 41 in a surrounding manner, the bottom end of the mounting ring 41 is provided with a circular groove, the mounting ring 41 is movably mounted with the top end of a filter bag 5 through the circular groove, the mounting rings 41 on two sides outside the circular groove are provided with rectangular grooves, and the inner walls on two sides of the rectangular groove are fixedly connected with a long rod, the stock of collar 41 cup joints with the upper end activity of movable rod 6, can make collar 41, movable rod 6 and filter bag 5 by the free dismantlement, improves and changes cleaning efficiency.

Referring to fig. 1, 9 and 10, further, the number of the filter bags 5 is two, one filter bag 5 corresponds to one set of the movable rods 6, the number of the movable rods 6 is two, one movable rod 6 corresponds to two limiting members 61, that is, the limiting members 61 are installed on two sides of the movable rod 6, the shape of the limiting members 61 is a quarter ring, the two limiting members 61 and one movable rod 6 form a half ring, the two half rings are assembled together and spliced into a ring in the moving process, that is, the shape changing process from fig. 9 to 10, so as to limit the expansion of the filter bag 5, the connecting position of the limiting members 61 and the movable rod 6 is provided with vent holes, the vent holes penetrate through the long airbag 7, the movable rods 6 and the limiting members 61, the inner ring surface of the limiting members 61 is provided with vent holes, and the exhaust direction of the vent holes is inclined downward, so that the discharged gas when the long airbag 7 is compressed by the movable block 71 impacts the surface of the filter bag 5, the degree of cleaning of the filter bag 5 is improved.

Referring to fig. 1 and 3, further, a hole is formed in the cylinder 1 located below the movable rod 6, the cylinder 1 is movably sleeved with the rotating component 8 through the hole, a pushing component 81 is fixedly connected to the surface of the rotating component 8 located at a position corresponding to the lower end of the movable rod 6, the pushing component 81 is of a double-spiral structure, and the distance between two spiral components of the pushing component 81 is adapted to the width of the movable rod 6, so that the lower end of the movable rod 6 can be clamped in the double-spiral structure of the pushing component 81, so that the movable rod 6 moves when the rotating component 8 drives the pushing component 81 to rotate, the pushing component 81 near the head of the rotating component 8 in a group of pushing components 81 is arranged in a forward direction, and the pushing component 81 far from the head of the rotating component 8 is arranged in a reverse direction, so that when the rotating component 8 rotates in the forward direction, the group of pushing components 81 drives the movable rod 6 to move toward one end far from two sides of the filter bag 5, and when the rotating component 8 rotates in the reverse direction, the pushing component 81 drives the movable rod 6 to move toward the direction near the filter bag 5, thereby effectively preventing that movable rod 6 and locating part 61 from forming the hindrance to filter bag 5 when filtering for both form size and dimension restriction to filter bag 5 when the deashing, prevent that filter bag 5 from excessively expanding.

Referring to fig. 2 and 6, further, an inner wall of one side of the inside of the movable rod 6 is fixedly connected with one side of the long airbag 7, a hole is formed in the movable rod 6, which is located on the other side of the long airbag 7 and is not connected with the limiting member 61, the movable rod 6 is movably sleeved with the movable block 71 through the hole, one end of the movable block 71 is fixedly connected with the long airbag 7, and a small spring is arranged inside the long airbag 7 corresponding to the position of the movable block 71, so that the movable block 71 can perform expansion limitation on the filter bag 5 at the position of the non-limiting member 61, meanwhile, the long airbag 7 is caused to contract and exhaust, and the dust cleaning efficiency of the surface of the filter bag 5 is improved.

Referring to fig. 1, 3-5 and 7, further, the inner wall of the ash bucket 2 is provided with a long groove, the bottom end of the long groove is fixedly connected with the bottom end of the side air bag 9, the surface of the side air bag 9 is provided with N grooves, so that the surface of the side air bag 9 forms a rough inclined plane, dust can be effectively attached when depositing on the surface of the side air bag 9, the degree of secondary dust emission when the dust is introduced into the air inlet piece 11 is reduced, the bottom end inside the side air bag 9 is provided with a spring, the side air bag 9 is connected with the movable plate 91 through the spring, the movable plate 91 has N-type magnetism, one end of the pushing piece 81 close to the inner wall of the cylinder 1 is provided with S-type magnetism, the other end of the pushing piece 81 is provided with N-type magnetism, the two ends of one pushing piece 81 face opposite directions, so that the distance between the pushing piece 81 with S-type magnetism and the movable plate 91 is shortened when one end rotates downwards, the magnetic attraction increases to make the fly leaf 91 lift the upper surface that contacts extrusion side gasbag 9, make the recess on side gasbag 9 surface eliminate, side gasbag 9 surface is smooth, thereby make the dust that adheres to on side gasbag 9 surface can descend fast and discharge outside barrel 1.

The using method of the invention has the following working principle:

when the bag type dust collector is used for filtering, gas with dust is introduced into the cylinder 1 through the gas inlet part 11, the gas is exhausted out of the cylinder 1 through the gas outlet part 12 after being filtered by the filter bag 5, before the filter bag 5 is filtered, the rotating assembly 8 is started to enable the rotating assembly 8 to rotate in the forward direction and drive the pushing part 81 to rotate, the pushing part 81 is enabled to drive the movable rods 6 on the two sides of the filter bag 5 to be far away from the filter bag 5, the filtering operation of the filter bag 5 is effectively prevented from being blocked by the movable rods 6 and the limiting part 61, the subsequent filtering operation of the filter bag 5 is not blocked, when the movable rods 6 stop moving, the pushing part 81 with S-shaped magnetism is upwards, the pushing part 81 with N-shaped magnetism is downwards, the movable plate 91 moves downwards under the action of magnetic force and is separated from and contacted with the upper surface of the side air bag 9, so that the groove on the surface of the side air bag 9 is exposed, and the surface of the side air bag 9 is rough and can be attached with dust, when the bag type dust collector is used for cleaning dust, the pulse device 3 is started to blow out pulse air waves and applies the pulse air waves to the filter bag 5 through air holes and the like, so that the filter bag 5 is expanded and vibrated to remove dust on the outer surface of the filter bag 5, before the filter bag 5 is cleaned, the rotating component 8 is started to enable the rotating component 8 to reversely drive the pushing component 81 to rotate, the pushing component 81 pushes the movable rod 6 to gather towards the filter bag 5, the movable rod 6 and the limiting component 61 form a ring around the filter bag 5, the expansion range of the filter bag 5 is limited, excessive expansion of the filter bag 5 is avoided, meanwhile, the movable block 71 is pushed to the long air bag 7 side when the filter bag 5 expands, and the long air bag 7 is compressed and contracted to enable the gas in the long air bag 7 to be exhausted through the exhaust hole of the filter bag 5, the combustion gas blows the filter bag 5 constantly, the deashing efficiency of filter bag 5 has effectively been improved and its deashing effect has been strengthened, simultaneously when the removal of movable rod 6 stops, take S type magnetic impeller 81 end downwards, take N type magnetic impeller 81 end upwards, thereby make fly leaf 91 upward movement under the magnetic force effect, and with the upper surface in close contact with of side gasbag 9, thereby the recess on side gasbag 9 surface is eliminated, make its surface smooth, can make the dust on the side gasbag 9 descend fast and discharge barrel 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.