Bag type dust collector device

Abstract

The utility model relates to the technical field of bag type dust removers, in particular to a bag type dust remover device which comprises a lower shell, four supporting legs are fixedly installed at the bottom of a flange at the upper end of the lower shell, an air inlet in the side face of the lower shell is connected with one end of an air inlet pipe, a fan is installed on the air inlet pipe, and the lower end of the lower shell is connected with the air inlet pipe. An upper shell is detachably mounted at the top of the lower shell, an air outlet in the side surface of the upper shell is connected with one end of an air outlet pipe, a filter bag replacement mechanism is mounted at the top of the lower shell, and a through hole matched with the filter bag replacement mechanism is formed in the top of the lower shell; according to the bag type dust collector device, the filter bag can be easily mounted, the filter bag opening does not need to be manually and effortlessly inserted into the tubesheet hole and the elastic metal ring does not need to be adjusted, and compared with a traditional replacement mode, time and labor cost are greatly saved, and the too high requirement for professional skills of operators is lowered.

Description

TECHNICAL FIELD

[0001] The utility model relates to bag type dust collector technical field, concretely is a bag type dust collector device. BACKGROUND

[0002] Bag type dust collector becomes the powerful tool of dust control in metallurgy, chemical industry, building material and many industrial fields with its efficient dust removal capacity. It mainly relies on the fiber filter bag to carry out careful filtration to dust-containing gas to realize the goal of purifying gas. But in the long-term actual operation process, the filter bag as the core element continuously suffers the scouring and erosion of dust, and is prone to wear and tear, blockage and other conditions, so regular replacement of the filter bag becomes the necessary maintenance work to ensure the stable operation of the dust collector.

[0003] At present, when the filter bag of the bag type dust collector is replaced, the filter bag opening needs to be inserted into the flower plate hole manually, and the filter bag is tightly attached to the flower plate hole through the elastic metal ring in the filter bag opening. However, manual operation requires high experience and proficiency of workers, and slight carelessness may lead to improper installation of the filter bag, which cannot be tightly attached to the flower plate hole, resulting in air leakage and seriously affecting the dust removal efficiency. In addition, the elasticity of the elastic metal ring will gradually decrease after long-term use, leading to poor attachment of the filter bag to the flower plate hole and easy occurrence of air leakage, which affects the dust removal effect. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the utility model discloses a bag type dust collector device, which adopts the technical scheme that four supporting legs are fixedly installed on the bottom of the upper end flange of the lower shell, an air inlet on the side surface of the lower shell is connected with one end of an air inlet pipe, a fan is installed on the air inlet pipe, the upper shell is detachably installed on the top of the lower shell, an air outlet on the side surface of the upper shell is connected with one end of an air outlet pipe, a filter bag replacement mechanism is installed on the top of the lower shell, and a through hole matched with the filter bag replacement mechanism is formed in the top of the lower shell.

[0005] The filter bag replacing mechanism comprises a fixing ring, a clamping block, a pressing ring, a connecting ring, a supporting ring, a supporting frame, a filter bag and an elastic sheet, the supporting ring is fixedly installed at the middle of the top of the lower shell, the top of the supporting ring is fixedly installed with the supporting frame, the side surface of the supporting ring is an inclined surface, the fixing ring is fixedly installed at the middle of the top of the lower shell, the fixing ring is located outside the supporting ring, the top of the connecting ring is fixedly connected with the bottom of the filter bag, the connecting ring and the filter bag are sleeved outside the supporting ring and the supporting frame, the inner side surface of the connecting ring is provided with an inclined surface matched with the side surface of the supporting ring, the pressing ring is arranged in the fixing ring, the pressing ring is matched with the flange of the lower part of the connecting ring, four cavities in the pressing ring are all arranged with the elastic sheets, the side surface of the elastic sheet is fixedly connected with the side surface of the clamping block, one end of the outer side of the clamping block extends to the outer side of the pressing ring, and the one end of the outer side of the clamping block is provided with an inclined surface matched with the fixing ring.

[0006] As a preferred technical scheme of the utility model, the top of the fixing ring is provided with a dismounting groove corresponding to the four clamping blocks.

[0007] As a preferred technical scheme of the utility model, the top of the pressing ring is fixedly installed with two L-shaped push rods.

[0008] As a preferred technical scheme of the utility model, the top of the lower shell is fixedly installed with a rubber ring matched with the connecting ring.

[0009] As a preferred technical scheme of the utility model, a plurality of grooves on the flange of the lower shell are all rotatably installed with T-shaped bolts, nuts are threadedly connected on the bolts, and the side surface of the lower end of the upper shell is provided with grooves matched with the plurality of bolts.

[0010] The utility model discloses beneficial effects:

[0011] 1, the utility model discloses through the inclined surface of the supporting ring side surface and the inner side surface of the connecting ring inclined surface intercoordination, make the positioning of filter bag when installing more accurate, also easy to separate when dismounting, greatly reduce the operation difficulty, the cooperation of pressing ring and the lower flange of connecting ring, and the synergies of elastic sheet and clamping block, make the installation and dismounting of filter bag become extremely convenient, when installing, just put the pressing ring into the fixed ring, and the clamping block can make the pressing ring tightly in the fixed ring, easily complete filter bag installation, do not need artificial laboriously and insert the filter bag mouth into the flower board hole and adjust the elastic metal ring, compared with traditional replacement mode, greatly save time and manpower cost, reduce the overhigh demand to the professional skill of operating personnel.

[0012] 2, through the dismounting groove of the top of the fixed ring, the clamping block can be conveniently taken out, the pressing ring is convenient to dismount, the push rod can conveniently drive the pressing ring to rotate, and the pressing ring is convenient to take out and dismount.

[0013] 3, through the rubber ring can effectively fill the gap between the lower shell and the connecting ring, improve the sealing, through the bolt and nut, and the upper shell lower end side surface and bolt adapted groove, joint action makes the upper and lower shell connection more closely. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is overall structure schematic view of the utility model;

[0015] Figure 2 It is overall explosion structure schematic view of the utility model;

[0016] Figure 3 It is lower shell top structure schematic view of the utility model;

[0017] Figure 4 It is filter bag replacement mechanism section structure schematic view of the utility model;

[0018] Figure 5 It is pressure ring internal structure schematic view of the utility model.

[0019] In the drawing: 1 lower shell, 2 support leg, 3 upper shell, 4 air inlet pipe, 5 fan, 6 air outlet pipe, 7 filter bag replacement mechanism, 71 fixed ring, 72 clamping block, 73 pressure ring, 74 connecting ring, 75 support ring, 76 support frame, 77 filter bag, 78 spring piece, 8 dismounting groove, 9 push rod, 10 rubber ring, 11 bolt, 12 nut. DETAILED DESCRIPTION

[0020] Example 1

[0021] As Figures 1 to 5The utility model discloses a bag type dust collector device, adopt the technical scheme, including lower casing 1, the bottom fixed mounting of lower casing 1 upper end flange has four support legs 2, the air inlet on the side of lower casing 1 is connected with one end of air inlet pipe 4, is installed fan 5 on air inlet pipe 4, the top of lower casing 1 is detachably installed with upper casing 3, the air outlet on the side of upper casing 3 is connected with one end of air outlet pipe 6, the recess in the flange of lower casing 1 is all rotationally installed with the bolt 11 of T shape, is screwed on the bolt 11 nut 12, is seted up with the recess of the side on the lower end of upper casing 3 and cooperate with a plurality of bolt 11, through bolt 11 and nut 12, and the recess of the lower end side of upper casing 3 and bolt 11 adaptation, the joint action makes upper, lower casing connection more closely, the top of lower casing 1 is installed filter bag replacement mechanism 7, and the top of lower casing 1 is seted up with the through -hole of filter bag replacement mechanism 7 cooperation,The filter bag replacing mechanism 7 comprises a fixing ring 71, a clamping block 72, a pressing ring 73, a connecting ring 74, a supporting ring 75, a supporting frame 76, a filter bag 77 and an elastic sheet 78. The supporting ring 75 is fixedly installed at the middle of the top of the lower shell 1. The top of the supporting ring 75 is fixedly installed with the supporting frame 76. The side surface of the supporting ring 75 is a slope. The fixing ring 71 is fixedly installed at the middle of the top of the lower shell 1 and is located outside the supporting ring 75. The top of the connecting ring 74 is fixedly connected with the bottom of the filter bag 77. The connecting ring 74 and the filter bag 77 are sleeved outside the supporting ring 75 and the supporting frame 76. The inner side surface of the connecting ring 74 is provided with a slope matched with the side surface of the supporting ring 75. The top of the lower shell 1 is fixedly installed with a rubber ring 10 matched with the connecting ring 74. The gap between the lower shell 1 and the connecting ring 74 can be effectively filled through the rubber ring 10 to improve the sealing performance. The pressing ring 73 is arranged in the fixing ring 71 and is matched with the flange at the lower part of the connecting ring 74. The top of the pressing ring 73 is fixedly installed with two L-shaped push rods 9. The push rods 9 can facilitate people to push and rotate the pressing ring 73, and facilitate the removal and disassembly of the pressing ring 73. The top of the fixing ring 71 is provided with disassembly grooves 8 corresponding to the four clamping blocks 72. The four cavities in the pressing ring 73 are all arranged with the elastic sheets 78. The side surface of the elastic sheet 78 is fixedly connected with the side surface of the clamping block 72. One end of the outer side of the clamping block 72 extends to the outer side of the pressing ring 73. One end of the outer side of the clamping block 72 is provided with a slope matched with the fixing ring 71. The cross section of the fixing ring 71 is L-shaped. The top of the fixing ring 71 is provided with disassembly grooves 8 corresponding to the four clamping blocks 72. The clamping blocks 72 can be conveniently removed through the disassembly grooves 8 at the top of the fixing ring 71, which facilitates the disassembly of the pressing ring 73. The slope of the side surface of the supporting ring 75 and the slope of the inner side surface of the connecting ring 74 are matched with each other, so that the positioning of the filter bag 77 is more accurate during installation and is easier to separate during disassembly, thereby greatly reducing the operation difficulty. The cooperation of the pressing ring 73 and the flange at the lower part of the connecting ring 74 and the cooperation of the elastic sheet 78 and the clamping block 72 make the installation and disassembly of the filter bag 77 extremely convenient. During installation, the pressing ring 73 is only needed to be arranged in the fixing ring 71, and the clamping block 72 can automatically make the pressing ring 73 clamped in the fixing ring 71, so that the filter bag 77 is easily installed without the need of manually inserting the filter bag opening into the flower plate hole and adjusting the elastic metal ring. Compared with the traditional replacement mode, the time and labor cost are greatly saved, and the high requirement for the professional skills of the operator is reduced.

[0022] The working principle of the utility model is: when dust removal, the fan 5 can be started, dust-containing gas is sucked into the lower shell 1 through the air inlet pipe 4, after entering the lower shell 1, the dust-containing gas flows upwards, passes through the filter bag 77, the filter bag 77 filters the dust-containing gas, the dust is intercepted on the inner surface of the filter bag 77, and the purified gas enters the inside of the upper shell 3 through the apertures of the filter bag 77, and is discharged through the air outlet pipe 6, in the process, the filter bag 77 plays a key filtering role, separates the dust from the gas, and realizes purification of the gas.

[0023] When the filter bag 77 needs to be replaced, the push rod 9 is pushed, the push rod 9 drives the compression ring 73 to rotate, the clamping block 72 on the compression ring 73 is rotated to the position aligned with the dismounting groove 8, the push rod 9 is lifted upwards, the compression ring 73 is pulled out of the fixing ring 71, after the compression ring 73 is taken out, the connecting ring 74 loses the compression force of the compression ring 73, at this time, the connecting ring 74 and the filter bag 77 can be easily taken off from the support ring 75 and the support frame 76, the dismounting of the filter bag 77 is completed, when the filter bag 77 is installed, the connecting ring 74 and the filter bag 77 are sleeved outside the support ring 75 and the support frame 76, at this time, the inclined surface on the inner side of the connecting ring 74 cooperates with the inclined surface on the side of the support ring 75, the preliminary accurate positioning of the filter bag 77 is realized, then, the compression ring 73 is placed into the fixing ring 71, with the placement of the compression ring 73, the inclined surface of the clamping block 72 moves the clamping block 72 into the compression ring 73, the elastic sheet 78 compresses the clamping block 72 to move into the cavity of the compression ring 73, when the clamping block 72 slides through the blocking part of the fixing ring 71, the clamping block 72 is bounced outwards under the action of the elastic sheet 78, so that one end of the outer side of the clamping block 72 is tightly clamped with the fixing ring 71, thereby the compression ring 73 is fixed in the fixing ring 71, at the same time, the compression ring 73 compresses the flange at the lower part of the connecting ring 74, the installation of the filter bag 77 is completed. The whole process utilizes the cooperation of the inclined surfaces and the action of the elastic sheet 78 and the clamping block 72, realizes the close adhesion of the filter bag 77 and the support ring 75, and does not need artificial complex operation.

[0024] The circuit connection related to the utility model is a common means adopted by the person skilled in the art, and can be obtained by limited tests, and belongs to the prior art widely used.

[0025] The components not described in detail in the present application are the prior art.

[0026] Although the specific embodiments of the utility model have been described in detail above, the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model, and the modifications or deformations without creative labor are still within the protection range of the utility model.

Claims

1. A bag filter device, comprising a lower housing (1), wherein four support legs (2) are fixedly installed at the bottom of the upper flange of the lower housing (1), an air inlet on the side of the lower housing (1) is connected to one end of an air inlet pipe (4), a fan (5) is installed on the air inlet pipe (4), and an upper housing (3) is detachably installed on the top of the lower housing (1), wherein an air outlet on the side of the upper housing (3) is connected to one end of an air outlet pipe (6), characterized in that, The top of the lower housing (1) is equipped with a filter bag replacement mechanism (7), and the top of the lower housing (1) is provided with a through hole that cooperates with the filter bag replacement mechanism (7). The filter bag replacement mechanism (7) includes a fixing ring (71), a locking block (72), a pressure ring (73), a connecting ring (74), a support ring (75), a support frame (76), a filter bag (77), and a spring piece (78). The support ring (75) is fixedly installed in the middle of the top of the lower housing (1), and the support frame (76) is fixedly installed on the top of the support ring (75). The side of the support ring (75) is inclined. The fixing ring (71) is fixedly installed in the middle of the top of the lower housing (1). The fixing ring (71) is located outside the support ring (75). The top of the connecting ring (74) is fixedly connected to the bottom of the filter bag (77). The connecting ring (74) and the filter bag are connected together. (77) Sleeves on the outside of the support ring (75) and the support frame (76). The inner side of the connecting ring (74) is provided with an inclined surface that cooperates with the side of the support ring (75). The pressure ring (73) is placed inside the fixing ring (71). The pressure ring (73) cooperates with the flange at the lower part of the connecting ring (74). Each of the four cavities inside the pressure ring (73) contains a spring piece (78). The side of the spring piece (78) is fixedly connected to the side of the locking block (72). One end of the outer side of the locking block (72) extends to the outer side of the pressure ring (73). One end of the outer side of the locking block (72) is provided with an inclined surface that cooperates with the fixing ring (71). The cross-section of the fixing ring (71) is L-shaped.

2. The bag filter device according to claim 1, characterized in that: The top of the fixing ring (71) is provided with a disassembly groove (8) that corresponds one-to-one with the four locking blocks (72).

3. The bag filter device according to claim 1, characterized in that: Two L-shaped push rods (9) are fixedly installed on the top of the pressure ring (73).

4. The bag filter device according to claim 1, characterized in that: A rubber ring (10) is fixedly installed on the top of the lower housing (1), and the rubber ring (10) cooperates with the connecting ring (74).

5. A bag filter device according to claim 1, characterized in that: T-shaped bolts (11) are rotatably installed in several grooves on the flange of the lower housing (1). Nuts (12) are threaded onto the bolts (11). Grooves that cooperate with several bolts (11) are provided on the side of the lower end of the upper housing (3).

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