Powder spraying device for dust removal equipment

Abstract

The utility model relates to the technical field of dust removal equipment, in particular to a powder spraying device for dust removal equipment, which comprises a powder storage hopper and a shell, the shell is communicated and connected with the lower end of the powder storage hopper, and an inner cavity of the shell is of a columnar structure arranged along the horizontal direction; the rotating column is rotationally arranged in the shell, and the outer surface of the rotating column is attached to the inner surface of the shell; the two material grooves are formed in the surface of the rotating column and are symmetrical along the axis of the rotating column; the two pistons are respectively connected into the corresponding material grooves in a sliding manner; the distance adjusting mechanism is arranged in the rotating column and used for adjusting the distance between the two pistons; a blowing assembly; according to the powder spraying device, the distance between the two pistons can be adjusted through the distance adjusting mechanism, so that the powder containing amount of the two material grooves is adjusted, the spraying amount of powder is controlled, powder waste caused by excessive spraying is avoided, meanwhile, it can be guaranteed that the powder amount sprayed every time is consistent, and a powder film is more uniform.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal equipment, and specifically relates to a powder spraying device for dust removal equipment. Background Art

[0002] During the dust removal process of dust removal equipment in the working conditions of oily dust waste gas, a lot of oily substances often accumulate on the walls of filter cartridges and cloth bags. When too much oily substances accumulate on the filter cartridges and cloth bags, it will reduce the service life of the dust removal equipment. Therefore, talcum powder and other powders need to be sprayed on the surfaces of environmental protection equipment such as filter cartridges and cloth bags or the dust removal parts, aiming to reduce the damage of oily substances to the dust removal equipment.

[0003] In the prior art, such as the Chinese patent with the publication number of CN221535984U, it discloses a bag filter with a powder spraying device. The bag filter with the powder spraying device includes: a mounting frame, on which a dust removal box is fixedly installed, and a powder spraying mechanism, a dust filtering mechanism and a cleaning mechanism are arranged on the mounting frame; the powder spraying mechanism includes a mounting plate, a first fan, a first connecting pipe, a feeding pipe, a first solenoid valve and a hopper. The mounting plate is fixedly installed on the top of the mounting frame, the first fan is fixedly installed on the top of the mounting frame, the first connecting pipe is fixedly installed at the air outlet end of the first fan, and the first connecting pipe penetrates through the mounting plate. The bag filter with the powder spraying device provided by the utility model can pre-spray talcum powder on the dust removal cloth bag to form a powder film on the dust removal cloth bag, extend the service life of the dust removal cloth bag, and has the advantage of being able to clean the dust attached to the cloth bag.

[0004] Although the above technical solution can spray powdery objects into the dust collector, the powdery material is continuously fed, and the powder amount cannot be adjusted, which easily causes powder waste due to overspraying. For this reason, we propose a powder spraying device for dust removal equipment to well solve the above drawbacks. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a powder spraying device for dust removal equipment to solve the problems raised in the above background art.

[0006] The utility model is realized through the following technical solutions: A powder spraying device for dust removal equipment includes a powder storage hopper, and further includes:

[0007] A housing, which is conductively connected to the lower end of the powder storage hopper and whose inner cavity is a columnar structure arranged horizontally;

[0008] A rotating column, which is rotatably arranged in the housing and whose outer surface fits with the inner surface of the housing;

[0009] A driving mechanism, which is arranged outside the housing and is in transmission connection with the rotating column, for driving the rotating column to rotate;

[0010] Two material grooves, which are opened on the surface of the rotating column and are symmetrical along the axis of the rotating column;

[0011] Two pistons, which are respectively slidably connected in the corresponding material grooves;

[0012] A spacing adjusting mechanism, which is arranged in the rotating column and is used for adjusting the spacing between the two pistons;

[0013] A blowing component, which is conductively connected to the bottom of the housing and is used for spraying powder into the dust removal equipment.

[0014] Optionally, the top of the powder storage hopper is conductively connected with a powder feeding pipe, a powder feeding cover is arranged on the upper end of the powder feeding pipe, and a spring buckle for locking the powder feeding cover and the powder feeding pipe is arranged between the powder feeding cover and the powder feeding pipe.

[0015] Optionally, an ultrasonic level gauge and a pressure relief valve are installed on the outer top of the powder storage hopper, the probe of the ultrasonic level gauge extends into the powder storage hopper, the connecting pipe of the pressure relief valve extends into the powder storage hopper, and an air vibrator is installed on the outer bottom of the powder storage hopper.

[0016] Optionally, a feeding pipe and a diversion hopper are sequentially arranged between the powder storage hopper and the housing from top to bottom, and the housing is conductively connected with the powder storage hopper through the cooperation of the feeding pipe and the diversion hopper;

[0017] The diversion hopper is narrow at the top and wide at the bottom, and a plurality of diversion blocks are fixedly arranged at intervals in the horizontal direction in the diversion hopper.

[0018] Optionally, one end of the rotating column is fixedly connected with a first connecting shaft which is rotatably connected with the housing through the cooperation of a bearing and a shaft seat, the other end of the rotating column is fixedly connected with a second connecting shaft which is rotatably connected with the housing through the cooperation of a bearing and a shaft seat, both the first connecting shaft and the second connecting shaft extend outside the housing, and the driving mechanism is in transmission connection with the second connecting shaft.

[0019] Optionally, the spacing adjusting mechanism includes an installation cavity arranged in the rotating column and communicated with the two material grooves, a regulating shaft is rotatably connected in the installation cavity through the cooperation of a bearing and a shaft seat, the regulating shaft horizontally penetrates through the first connecting shaft movably, and a locking assembly is arranged between the outer end of the regulating shaft and the first connecting shaft;

[0020] A plurality of gears are fixedly arranged at intervals along the axial direction on the regulating shaft, racks arranged in the vertical direction are meshed on the front and rear sides of each gear, the front rack is fixedly connected with one of the pistons, and the rear rack is fixedly connected with the other piston.

[0021] Optionally, the locking assembly includes two handles symmetrically fixed to the outer end of the adjusting shaft along the axis of the adjusting shaft, and a locking bolt arranged horizontally is threadedly connected to each handle;

[0022] A flange is fixedly connected to the outer end of the first connecting shaft, and a plurality of locking holes adapted to the locking bolts are circumferentially spaced on the flange.

[0023] Optionally, the powder spraying assembly includes a powder conveying pipe arranged horizontally and conductively connected to the bottom of the housing. One end of the powder conveying pipe is conductively connected to a compressed air inlet pipe, and the other end of the powder conveying pipe is conductively connected to a powder spraying pipe.

[0024] Compared with the prior art, the present invention provides a powder spraying device for a dust removal device, having the following beneficial effects:

[0025] 1. The present invention can adjust the distance between the two pistons through the distance adjusting mechanism, so as to adjust the powder capacity of the two material grooves, control the powder spraying amount, avoid powder waste caused by excessive spraying, and at the same time ensure that the powder amount sprayed each time is consistent, making the powder film more uniform.

[0026] 2. Through the cooperation of the housing and the rotating column, when the rotating column rotates in the housing, the powder can be intermittently sprayed into the dust removal device through the powder spraying assembly, so as to ensure the uniform distribution of the powder in the dust removal device, avoid the situation of overspraying or under-spraying, and improve the powder spraying effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the front view of the present invention;

[0028] Figure 2 is the front view of the housing of the present invention;

[0029] Figure 3 is the schematic internal structure diagram of the housing of the present invention;

[0030] Figure 4 is the left view of the housing of the present invention;

[0031] Figure 5 is Figure 3 the sectional view taken along the line A-A in

[0032] In the figure: 1, powder storage hopper; 2, housing; 3, rotating column; 4, drive mechanism; 5, trough; 6, piston; 7, spacing adjustment mechanism; 701, installation cavity; 702, adjustment shaft; 703, gear; 704, rack; 705, handle; 706, locking bolt; 707, flange; 708, locking hole; 8, powder spraying assembly; 801, powder conveying pipe; 802, compressed air inlet pipe; 803, powder spraying pipe; 9, powder feeding pipe; 10, powder feeding cover; 11, spring buckle; 12, ultrasonic level gauge; 13, pressure relief valve; 14, air vibrator; 15, blanking pipe; 16, diversion hopper; 17, first connecting shaft; 18, diversion block. Specific embodiments

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] Embodiment: Please refer to Figures 1 to 5 , a powder spraying device for a dust removal device, including a powder storage hopper 1 for storing powdery objects such as talcum powder and limestone. Specifically, the top of the powder storage hopper 1 is connected in a conducting manner with a powder feeding pipe 9 for adding powdery objects into the powder storage hopper 1. At the upper end of the powder feeding pipe 9, a powder feeding cover 10 is provided, which can seal the powder feeding pipe 9 to prevent working dust from overflowing from the powder feeding pipe 9. Between the powder feeding cover 10 and the powder feeding pipe 9, a spring buckle 11 for locking the powder feeding cover 10 and the powder feeding pipe 9 is provided. The spring buckle 11 is mainly composed of a spring and a buckle body, and the installation and disassembly are relatively simple, without the need for complex tools or professional skills, facilitating user operation. In addition, an ultrasonic level gauge 12 and a pressure relief valve 13 are installed on the outer top of the powder storage hopper 1. The probe of the ultrasonic level gauge 12 extends into the powder storage hopper 1 for detecting the powder amount in the powder storage hopper 1, facilitating the user to add powdery objects in a timely manner. A transparent observation window can also be provided on the side of the powder storage hopper 1 to directly view the powder amount in the powder storage hopper 1 through the transparent observation window. The connecting pipe of the pressure relief valve 13 extends into the powder storage hopper 1 for maintaining the pressure balance in the powder storage hopper 1. An air vibrator 14 is installed at the outer bottom of the powder storage hopper 1. When the state of bridging and non - powder discharging occurs inside the powder storage hopper 1, the air vibrator 14 can be manually started to restore the normal state of the powder in the hopper. In this embodiment, it should be noted that the spring buckle 11, ultrasonic level gauge 12, pressure relief valve 13 and air vibrator 14 adopted in this application are all existing technologies, so the principles and structures thereof will not be elaborated herein.

[0035] This embodiment further includes a housing 2, a rotating column 3, a driving mechanism 4, two material troughs 5, two pistons 6, a spacing adjusting mechanism 7, and a blowing assembly 8.

[0036] Among them, the housing 2 is conductively connected to the lower end of the powder storage hopper 1, and its inner cavity is a columnar structure arranged horizontally, facilitating the rotation of other components within the housing 1. Preferably, as Figure 3 shown, a blanking pipe 15 and a diversion hopper 16 are sequentially arranged between the powder storage hopper 1 and the housing 2 from top to bottom. The housing 2 is conductively connected to the powder storage hopper 1 through the cooperation of the blanking pipe 15 and the diversion hopper 16. The diversion hopper 16 is narrow at the top and wide at the bottom, and a number of diversion blocks 18 are fixedly arranged at intervals in the horizontal direction within the diversion hopper 16, which can enable the powder to enter the housing 2 evenly, avoiding concentrated accumulation at a certain place and resulting in insufficient powder quantity.

[0037] Secondly, the rotating column 3 is rotatably arranged within the housing 2, and its outer surface fits with the inner surface of the housing 2. Since the inner cavity of the housing 2 is a columnar structure, it can ensure that the rotating column 3 is in close contact with the housing 2, making it difficult for the powder to enter the gap between the rotating column 3 and the housing 2.

[0038] In addition, the driving mechanism 4 is arranged outside the housing 2 and is in transmission connection with the rotating column 3 for driving the rotating column 3 to rotate. In this embodiment, one end of the rotating column 3 is fixedly connected to a first connecting shaft 17 that is rotatably connected to the housing 2 through the cooperation of a bearing and a shaft seat. At the other end of the rotating column 3, a second connecting shaft is fixedly connected, which is rotatably connected to the housing 2 through the cooperation of a bearing and a shaft seat. Both the first connecting shaft 17 and the second connecting shaft extend outside the housing 2, and the driving mechanism 4 is in transmission connection with the second connecting shaft. More specifically, the driving mechanism 4 includes a bracket arranged outside the housing 2, and a motor in transmission connection with the second connecting shaft is installed on the bracket. When the motor operates, it can drive the second connecting shaft to rotate, thereby driving the rotating column 3 to rotate within the housing 2.

[0039] As Figure 3 and Figure 5 shown, two material troughs 5 are opened on the surface of the rotating column 3 and are symmetric about the axis of the rotating column 3. When one of the material troughs 5 is at a high position for receiving materials, the other material trough 5 is at a low position for discharging materials, so that the powder enters the dust removal device intermittently, ensuring the uniform distribution of the powder within the dust removal device. Two pistons 6 are respectively slidably connected within the corresponding material troughs 5. When the pistons 6 move within the material troughs 5, the powder capacity of the material troughs 5 can be adjusted to adapt to different requirements.

[0040] Specifically, the spacing adjusting mechanism 7 is arranged within the rotating column 3 for adjusting the spacing between the two pistons 6. As Figures 3 to 5As shown, the spacing adjustment mechanism 7 includes an installation cavity 701 provided inside the rotating column 3 and communicating with the two material troughs 5. The installation cavity 701 is located between the two material troughs 5, providing an installation space for other components. Inside the installation cavity 701, an adjustment shaft 702 is rotatably connected through the cooperation of a bearing and a shaft seat. The adjustment shaft 702 horizontally penetrates through the first connecting shaft 17 in a movable manner, and a locking assembly is provided between the outer end of the adjustment shaft 702 and the first connecting shaft 17. When the locking assembly locks the first connecting shaft 17 and the adjustment shaft 702, the adjustment shaft 702 can rotate synchronously with the first connecting shaft 17. When the locking assembly releases the first connecting shaft 17 and the adjustment shaft 702, the adjustment shaft 702 can be rotated independently. A number of gears 703 are fixedly arranged at intervals along the axial direction of the adjustment shaft 702. Rack bars 704 arranged vertically are engaged on the front and rear sides of each gear 703. The front rack bar 704 is fixedly connected to one of the pistons 6, and the rear rack bar 704 is fixedly connected to the other piston 6. When the adjustment shaft 702 rotates independently, it drives the gears 703 to rotate, thereby driving the rack bars 704 on the front and rear sides to move in opposite directions, so as to drive the two pistons 6 to approach or move away from each other, and adjust the powder capacity of the material trough 5.

[0041] Further, the locking assembly includes two handles 705 symmetrically fixed to the outer end of the adjustment shaft 702 along the axis of the adjustment shaft 702, which is convenient for the user to hold the handles 705 to drive the adjustment shaft 702 to rotate. A locking bolt 706 arranged horizontally is threadedly connected to each handle 705; a flange 707 is fixedly connected to the outer end of the first connecting shaft 17, and a number of locking holes 708 adapted to the locking bolts 706 are arranged at intervals along the circumferential direction on the flange 707. In the normal state, the locking bolt 706 sequentially passes through the handle 705 and the locking hole 708. At this time, the adjustment shaft 702 can rotate synchronously with the first connecting shaft 17. When it is necessary to adjust the powder capacity of the material trough 5, the locking bolt 706 is unscrewed, and the adjustment shaft 702 can be rotated independently, thereby driving each gear 703 to rotate, adjusting the spacing between the two pistons 6, and controlling the powder ejection amount to avoid powder waste caused by excessive spraying.

[0042] Finally, the blowing assembly 8 is conductively connected to the bottom of the housing 2 and is used to spray powder into the dust removal device. Specifically, the blowing assembly 8 includes a powder conveying pipe 801 arranged horizontally and conductively connected to the bottom of the housing 2. One end of the powder conveying pipe 801 is conductively connected to a compressed air inlet pipe 802, and the other end of the powder conveying pipe 801 is conductively connected to a powder spraying pipe 803. When the material trough 5 is at a low position, the powdery object enters the powder conveying pipe 801, and then the external compressed air enters the powder conveying pipe 801 through the compressed air inlet pipe 802, driving the powdery object to enter the dust removal device through the powder spraying pipe 803.

[0043] During use, first unscrew the locking bolt 706, then hold the handle 705 and drive the adjusting shaft 702 to rotate independently, thereby driving the gear 703 to rotate, so that the racks 704 on the front and rear sides move in opposite directions, and then drive the two pistons 6 to approach or move away from each other, adjusting the powder capacity of the material tank 5 to meet different requirements.

[0044] After the adjustment is completed, screw on the locking bolt 706 and make the locking bolt 706 pass through the locking hole 708, so that the adjusting shaft 702 is locked with the first connecting shaft 17 and can rotate synchronously. Then start the driving mechanism 4 to drive the rotating column 3 to rotate. When one of the material tanks 5 is at a high position for receiving materials, the other material tank 5 is at a low position for discharging materials, so that the powder intermittently enters the dust removal device through the blowing assembly 8, ensuring the uniform distribution of the powder in the dust removal device.

[0045] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.

[0046] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder spraying device for dust removal equipment, comprising a powder storage hopper (1), characterized in that: Also includes: A shell (2), wherein the shell (2) is conductively connected to the lower end of the powder storage hopper (1) and the inner cavity is a columnar structure arranged in a horizontal direction; A rotating column (3), wherein the rotating column (3) is rotatably disposed in the shell (2) and the outer surface of the rotating column (3) is in contact with the inner surface of the shell (2); A driving mechanism (4), the driving mechanism (4) being arranged outside the housing (2) and being in transmission connection with the rotating column (3), and being used for driving the rotating column (3) to rotate; Two material troughs (5), the two material troughs (5) are arranged on the surface of the rotating column (3) and are symmetrical along the axis of the rotating column (3); Two pistons (6), the two pistons (6) are respectively slidably connected in corresponding material troughs (5); A spacing adjustment mechanism (7), wherein the spacing adjustment mechanism (7) is arranged in the rotating column (3) and is used to adjust the spacing between the two pistons (6); A blowing assembly (8) is conductively connected to the bottom of the shell (2) and is used to spray powder into the dust removal equipment.

2. A powder spraying device for dust removal equipment according to claim 1, characterized in that: The top of the powder storage hopper (1) is connected to a powder feeding tube (9), a powder feeding cover (10) is provided on the upper end cover of the powder feeding tube (9), and a spring buckle (11) for locking the powder feeding cover (10) and the powder feeding tube (9) is provided between the powder feeding cover (10) and the powder feeding tube (9).

3. A powder spraying device for dust removal equipment according to claim 1, characterized in that: An ultrasonic level meter (12) and a pressure relief valve (13) are installed on the outer top of the powder storage hopper (1), a probe of the ultrasonic level meter (12) extends into the powder storage hopper (1), a connecting pipe of the pressure relief valve (13) extends into the powder storage hopper (1), and an air vibrator (14) is installed on the outer bottom of the powder storage hopper (1).

4. A powder spraying device for dust removal equipment according to claim 1, characterized in that: A feeding pipe (15) and a flow guide hopper (16) are arranged in sequence from top to bottom between the powder storage hopper (1) and the shell (2); the shell (2) is connected to the powder storage hopper (1) through the cooperation of the feeding pipe (15) and the flow guide hopper (16); The guide bucket (16) is narrow at the top and wide at the bottom, and a plurality of guide blocks (18) are fixed at intervals in the horizontal direction inside the guide bucket (16).

5. A powder spraying device for dust removal equipment according to claim 1, characterized in that: One end of the rotating column (3) is fixedly connected to a first connecting shaft (17) which is rotatably connected to the housing (2) through a bearing and a shaft seat, and the other end of the rotating column (3) is fixedly connected to a second connecting shaft which is rotatably connected to the housing (2) through a bearing and a shaft seat. Both the first connecting shaft (17) and the second connecting shaft extend outside the housing (2), and the driving mechanism (4) is transmission-connected to the second connecting shaft.

6. A powder spraying device for dust removal equipment according to claim 5, characterized in that: The spacing adjustment mechanism (7) comprises a mounting cavity (701) arranged in the rotating column (3) and communicating with the two material troughs (5); an adjustment shaft (702) is rotatably connected in the mounting cavity (701) through a bearing and a shaft seat; the adjustment shaft (702) is movable in a horizontal direction and passes through the first connecting shaft (17); a locking assembly is arranged between the outer end of the adjustment shaft (702) and the first connecting shaft (17); A plurality of gears (703) are fixed at intervals along the axial direction on the adjusting shaft (702), and racks (704) arranged along the vertical direction are meshed on the front and rear sides of each gear (703), the front rack (704) is fixedly connected to one of the pistons (6), and the rear rack (704) is fixedly connected to the other piston (6).

7. A powder spraying device for dust removal equipment according to claim 6, characterized in that: The locking assembly comprises two handles (705) symmetrically fixed to the outer end of the adjusting shaft (702) along the axis of the adjusting shaft (702), and each handle (705) is threadedly connected with a locking bolt (706) arranged in a horizontal direction; A flange (707) is fixedly connected to the outer end of the first connecting shaft (17), and a plurality of locking holes (708) adapted to the locking bolts (706) are arranged at intervals along the circumferential direction on the flange (707).

8. A powder spraying device for dust removal equipment according to claim 1, characterized in that: The spraying assembly (8) comprises a powder conveying pipe (801) arranged in a horizontal direction and conductively connected to the bottom of the shell (2); one end of the powder conveying pipe (801) is conductively connected to a compressed air intake pipe (802), and the other end of the powder conveying pipe (801) is conductively connected to a powder spraying pipe (803).

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