Spiral coal feeder with ash suction mechanism

Abstract

The utility model belongs to the technical field of spiral coal feeders, and particularly relates to a spiral coal feeder with an ash suction mechanism, which comprises a coal feeder body, a driver is mounted at the end of the coal feeder body, a crushing component is arranged at the top of the coal feeder body, an ash suction cover is fixed at the top of the coal feeder body, the ash suction cover is trapezoidal, and the ash suction mechanism is arranged in the ash suction cover. The side wall of the coal feeder body is fixedly connected with two fixing plates, the two fixing plates are oppositely arranged in a staggered mode, an air pump is installed at the tops of the fixing plates, an air suction pipe is fixedly connected to the middle of the air pump, the end of the air suction pipe is fixedly connected to the side wall of a dust suction cover, and two negative pressure cavities are formed in the side wall of the dust suction cover. By means of the structure, dust generated in the conveying process can be captured and sucked in real time, the situation that dust and ash spread and fly in air in the material conveying process is effectively reduced, and the situation that the dust and the ash work in the environment with the high dust concentration for a long time is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to spiral coal feeder technical field, specifically is spiral coal feeder with dust suction mechanism. BACKGROUND

[0002] Spiral coal feeder is an important kind of conveying equipment, mainly used for conveying coal from storage bin to combustion equipment.

[0003] The main component of spiral coal feeder is hollow spiral blade, when spiral blade rotates under the drive of motor, coal material is put in at the same time and is rolled into spiral blade, with the rotation of spiral blade, material moves forward, material is subjected to centrifugal force generated by rotation and friction force of spiral pipe wall, so that coal material flows forward continuously, thereby realizing the effect of conveying.

[0004] When spiral coal feeder works, dust particles in coal are raised by spiral blade, which easily leads to the increase of dust concentration in air and causes environmental pollution.

[0005] Therefore, the utility model provides spiral coal feeder with dust suction mechanism. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiency of prior art, at least one technical problem in the background art is solved.

[0007] The utility model adopts the technical scheme that the utility model discloses spiral coal feeder with dust suction mechanism, including coal feeder body, the coal feeder body end installs the driver, the coal feeder body top is equipped with the crushing subassembly, the coal feeder body top is fixed with dust suction cover, the dust suction cover is trapezoidal setting, the coal feeder body side wall is fixedly connected with two fixed plates, two the fixed plate is opposite and is staggered and sets up, the fixed plate top is installed with the air pump, the air pump middle part is fixedly connected with the suction pipe, the suction pipe end is fixedly connected in the dust suction cover side wall, the dust suction cover side wall is equipped with two negative pressure cavities, the dust suction cover inboard is equipped with a plurality of suction holes, a plurality of The suction hole is set up in the corresponding negative pressure cavity position, the dust suction cover bottom is fixedly connected with the screen plate, the screen plate is arranged in the dust suction cover inside, the dust suction cover middle part is equipped with the installation component, the installation component middle part is installed with the collection filter bag, through above -mentioned structure can real -time capture and suck the dust generated in the conveying process, effectively reduce the dust and ash spread and fly in the air in the material transportation process, through the collection filter bag can the tiny particulate matter in the gas is effectively captured and is collected, reduces the dust and ash in the material transportation process Emission, can improve the dust concentration in the working environment, reduce long -time in the dust concentration higher environment work, lead to the respiratory system damage Problem, effectively increase the safety health of staff.

[0008] Preferably, the crushing assembly comprises a feeding hopper arranged at the end of the dust hood, a motor is fixed to the side wall of the feeding hopper, the output end of the motor penetrates through the side wall of the feeding hopper, the output end of the motor is fixedly connected with a rotating shaft, the end of the rotating shaft is rotatably connected to the inner side wall of the feeding hopper, a threaded blade is arranged in the middle of the rotating shaft, two feeding plates are fixed to the inner side wall of the feeding hopper, the two feeding plates are arranged opposite to each other, notches are arranged at the ends of the feeding plates, and an adjusting assembly is arranged in the middle of the feeding plates. Through the above structure, the material can be subjected to shearing and extrusion for pretreatment and crushing, which can effectively reduce the problem that the material is too hard to cause blockage or jamming during transportation, effectively increase the flowability of the material during transportation, make the material transportation smoother, and reduce the problem of material blockage and accumulation.

[0009] Preferably, the adjusting assembly comprises two screws rotatably connected to the side wall of the feeding hopper, the ends of the screws are threadedly connected to the middle of the feeding plates, rotating handles are fixed to the ends of the screws, and the rotating handles are arranged outside the feeding hopper. Through the above structure, the crushing distance of the threaded blade can be effectively adjusted, and the hardness, particle size and viscosity characteristics of different materials can be flexibly adapted. For materials with high hardness or large force, the distance between the end of the feeding plate and the threaded blade can be increased to reduce the friction and wear between the threaded blade and the material. Conversely, reducing the distance between the threaded blade and the feeding plate can be targeted at materials with high hardness or fine particle size.

[0010] Preferably, the mounting assembly comprises two support grooves arranged in the inner side wall of the dust hood, the two support grooves are arranged opposite to each other, two collecting filter bags are slidably connected to the middle of the two support grooves, and connecting plates are fixed to the ends of the two collecting filter bags. Through the above structure, the collecting filter bags can be quickly mounted and dismounted, which makes the replacement and cleaning of the collecting filter bags more convenient, without the need of using additional tools to dismount the collecting filter bags, reduces complex operations, and facilitates the replacement and cleaning of the collecting filter bags blocked after long-term use.

[0011] Preferably, two grooves are arranged near the end of the connecting plate of the dust hood, the two grooves are arranged opposite to each other, first magnetic blocks are fixed to the middle of the grooves, two second magnetic blocks are fixed to the side wall of the connecting plate, the two second magnetic blocks are arranged at the positions corresponding to the grooves, and the first magnetic blocks and the second magnetic blocks are attracted to each other when they are close to each other. Through the above structure, the connecting plate can be tightly attached to the end of the dust hood, so that the connecting plate can be kept stable at the end of the dust hood, the problem of shaking of the collecting filter bag caused by instability of the connecting plate during material transportation and dust collection is reduced, and the abrasion of the collecting filter bag caused by shaking during use is reduced.

[0012] Preferably, the coal feeder body side wall is provided with a viewing window, the viewing window is provided with transparent material, through the above structure, the conveying state of the material in the coal feeder body can be directly observed, problems occurring in the conveying process of the material in the coal feeder body can be found in time, and timely treatment can be carried out, so that equipment damage is reduced.

[0013] The utility model discloses the beneficial effect is as follows:

[0014] 1. The spiral coal feeder with the dust suction mechanism, through the above structure, the dust generated in the conveying process can be captured and sucked in real time, the dust and ash diffusion and flying in the air in the material conveying process are effectively reduced, the tiny particulate matters in the gas can be effectively captured and collected through the collection filter bag, the emission of the dust and ash in the material conveying process is reduced, the dust concentration in the working environment can be improved, the problem that the respiratory system is damaged due to long-time work in the environment with high dust concentration is reduced, and the safety and health of the workers are effectively improved.

[0015] 2. The spiral coal feeder with the dust suction mechanism, through the above structure, the material can be sheared and extruded, and the material can be pretreated and broken, the problem that the material is jammed or blocked in the conveying process due to excessive strength of the material can be effectively reduced, the liquidity of the material in the conveying process is effectively improved, the material conveying is more smooth, and the problems of material blocking and material accumulation are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings.

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the sectional view of the dust suction cover in the utility model;

[0019] Figure 3 It is the structure schematic view of the broken assembly in the utility model;

[0020] Figure 4 It is the explosion view of the first magnetic block in the utility model;

[0021] In the drawing: 1, coal feeder body; 10, driver; 11, dust suction cover; 12, fixed plate; 13, air pump; 14, suction pipe; 15, collection filter bag; 16, negative pressure cavity; 17, suction hole; 18, screen plate; 2, broken assembly; 21, feed hopper; 22, motor; 23, rotating shaft; 24, threaded blade; 25, feeding plate; 26, slot; 3, adjusting assembly; 31, screw rod; 32, rotating handle; 4, mounting assembly; 41, support groove; 42, connecting plate; 5, groove; 51, first magnetic block; 52, second magnetic block; 6, viewing window; 7, soundproof pad. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figures 1 to 4 shown, the screw coal feeder with dust suction mechanism of the utility model embodiment, including coal feeder body 1, the coal feeder body 1 end installs driver 10, the coal feeder body 1 top is equipped with crushing assembly 2, the coal feeder body 1 top is fixed with dust suction cover 11, dust suction cover 11 is trapezoidal arrangement, the coal feeder body 1 side wall is fixedly connected with two fixed plates 12, two fixed plates 12 are opposite and staggered arrangement, fixed plate 12 top installs air pump 13, air pump 13 middle part is fixedly connected with suction pipe 14, suction pipe 14 end is fixedly connected in dust suction cover 11 side wall, dust suction cover 11 side wall is equipped with two negative pressure cavities 16, dust suction cover 11 inner wall is equipped with multiple suction holes 17, multiple suction holes 17 are arranged in the position corresponding to negative pressure cavity 16, dust suction cover 11 bottom is fixedly connected with screen plate 18, screen plate 18 is arranged in the inside of dust suction cover 11, dust suction cover 11 middle part is equipped with mounting assembly 4, mounting assembly 4 middle part is installed with collection filter bag 15, when working, collection filter bag 15 is installed from dust suction cover 11 one end through mounting assembly 4 to its inside, material is entered in crushing assembly 2 middle part, the pretreated material is transported to the other end from the coal feeder body 1 one end through spiral blade, in the process of material transportation, a large amount of dust and ash will be generated inside, and the material is isolated from dust suction cover 11 through screen plate 18, after dust suction cover 11 is electrified and opened, the negative pressure airflow in the inside of dust suction cover 11 is sucked through suction pipe 14, the airflow enters the inside of negative pressure cavity 16 through multiple suction holes 17, and then enters the middle part of suction pipe 14 after passing through negative pressure cavity 16, in the process of dust and ash floating in the inside of coal feeder body 1, enter the middle part of dust suction cover 11, when dust and particulate ash enter the inside of multiple suction holes 17, collection filter bag 15 is used to concentrate and collect them, thereby reducing dust and ash discharge, through the above structure, the dust generated in the conveying process can be captured and sucked in real time, effectively reducing the diffusion and flying of dust and ash in the material transportation process in the air, the small particles in the gas can be effectively captured and collected through collection filter bag 15, reducing the emission of dust and ash in the material transportation process, which can improve the dust concentration in the working environment, reduce the problem of respiratory system damage caused by working in the environment with high dust concentration for a long time, effectively increase the safety and health of workers.

[0024] As Figure 1 and Figure 3As shown, the crushing assembly 2 comprises a feeding hopper 21 arranged at the end of the dust hood 11, a motor 22 fixed to the side wall of the feeding hopper 21, the output end of the motor 22 penetrating through the side wall of the feeding hopper 21, a rotating shaft 23 fixed to the output end of the motor 22, the end of the rotating shaft 23 rotatably connected to the inner side wall of the feeding hopper 21, a threaded blade 24 arranged at the middle portion of the rotating shaft 23, two feeding plates 25 fixed to the inner side wall of the feeding hopper 21, the two feeding plates 25 arranged oppositely, notches 26 arranged at the ends of the feeding plates 25, and an adjusting assembly 3 arranged at the middle portion of the feeding plate 25. In operation, the material is placed in the middle portion of the feeding hopper 21, and the material enters the threaded blade 24 through the two feeding plates 25. After the motor 22 is powered on, the rotating shaft 23 is driven to rotate by the output end of the motor 22. At this time, the material is crushed by the threaded blade 24. The material is pretreated during the process of entering the coal feeder body 1. The above structure can pretreat the material by shearing and extruding, effectively reduce the problem of material jamming or blocking in the conveying process caused by excessive material strength, effectively increase the flowability of the material in the conveying process, make the material conveying more smooth, and reduce the problem of material blocking and accumulation.

[0025] As shown in Figure 3 The adjusting assembly 3 comprises two screw rods 31 rotatably connected to the side wall of the feeding hopper 21, the screw rods 31 threadedly connected to the middle portion of the feeding plate 25, rotating handles 32 fixed to the ends of the screw rods 31, and the rotating handles 32 arranged outside the feeding hopper 21. In operation, according to the actual demand of the material, when larger material is needed, the end of the feeding plate 25 is slid inward, and the end of the feeding plate 25 is moved to a position at a specified distance from the threaded blade 24 to adjust the distance between the feeding plate 25 and the threaded blade 24. The screw rod 31 is rotated by holding the rotating handle 32, the end of the screw rod 31 enters the middle portion of the feeding plate 25, and the middle portion of the feeding plate 25 is fixed to adjust the size of the crushed material. When smaller material is needed, the end of the feeding plate 25 is moved to the position of the threaded blade 24. The above structure can effectively adjust the crushing distance of the threaded blade 24, and can flexibly adapt to the hardness, particle size and viscosity characteristics of different materials. For materials with high hardness or large strength, the distance between the end of the feeding plate 25 and the threaded blade 24 can be increased to reduce the friction and wear between the threaded blade 24 and the material. Conversely, reducing the distance between the threaded blade 24 and the feeding plate 25 can be targeted at materials with high hardness or fine particle size.

[0026] As shown in Figure 4As shown, the installation component 4 includes two support grooves 41, which are formed on the inner side wall of the dust collection hood 11. The two support grooves 41 are arranged opposite each other. The sliding rods of the two collection filter bags 15 are connected to the middle of the two support grooves 41. The ends of the two collection filter bags 15 are fixed with connecting plates 42. When installing the collection filter bags 15, the ends of the two collection filter bags 15 are slid into the corresponding positions of the support grooves 41, so that the collection filter bags 15 enter the positions of the corresponding multiple suction holes 17. After the two collection filter bags 15 are installed, the side wall of the connecting plate 42 fits against the end of the dust collection hood 11. The above structure enables the quick installation and removal of the collection filter bags 15, making it more convenient to replace or clean the collection filter bags 15. No additional tools are needed to remove the collection filter bags 15, reducing complicated operations and facilitating the replacement and cleaning of collection filter bags 15 that have become clogged after long-term use.

[0027] like Figure 4 As shown, the dust collection hood 11 has two grooves 5 near the end of the connecting plate 42. The two grooves 5 are arranged opposite each other. A first magnetic block 51 is fixed in the middle of the groove 5. Two second magnetic blocks 52 are fixed in the side wall of the connecting plate 42. The two second magnetic blocks 52 are arranged in the corresponding grooves 5. When the first magnetic block 51 and the second magnetic block 52 are close to each other, they attract each other. During operation, when the collection filter bag 15 is put into the dust collection hood 11, the two second magnetic blocks 52 move closer to the first magnetic block 51. At this time, the second magnetic blocks 52 and the first magnetic block 51 generate a suction force and stick tightly together, so that the connecting plate 42 is fixed at the end of the dust collection hood 11. Through the above structure, the connecting plate 42 can be tightly attached to the end of the dust collection hood 11, so that the connecting plate 42 can remain stable at the end of the dust collection hood 11, reducing the problem of the collection filter bag 15 shaking due to the instability of the connecting plate 42 during material conveying and dust collection, and reducing the wear of the collection filter bag 15 caused by shaking during use.

[0028] like Figure 1 As shown, a viewing window 6 is provided on the side wall of the coal feeder body 1. The viewing window 6 is made of transparent material. During operation, when materials are being transported, the material transport status inside the coal feeder body 1 can be directly observed through the viewing window 6. Through the above structure, the material transport status inside the coal feeder body 1 can be directly observed, problems that occur during the material transport process inside the coal feeder body 1 can be detected in time, and timely handling can be carried out to reduce equipment damage.

[0029] like Figure 1 As shown, two sound insulation pads 7 are fixed to the side wall of the coal feeder body 1. The two sound insulation pads 7 are arranged opposite each other. During operation, when the coal feeder body 1 is transporting materials, the sound insulation pads 7 are in contact with the side wall of the coal feeder body 1. The sound insulation pads 7 absorb the mechanical noise generated during the material transport process inside the coal feeder body 1. The above structure can absorb the noise generated during the operation of the equipment, increase the comfort of the working environment, and reduce the vibration of the equipment during operation.

[0030] In operation, the collecting filter bag 15 is installed from one end of the dust suction cover 11 to the inside thereof through the mounting assembly 4, the material is put into the middle part of the crushing assembly 2, the pretreated material is conveyed from one end of the coal feeder body 1 to the other end through the spiral blade, a large amount of dust and ash is generated in the conveying process of the material, the material is separated from the dust suction cover 11 through the mesh plate 18, the air pump 13 is powered on and opened, the negative pressure airflow in the inside of the dust suction cover 11 is sucked through the air suction pipe 14, the airflow enters the inside of the negative pressure cavity 16 through the plurality of air suction holes 17, enters the middle part of the dust suction cover 11 in the process of the dust and ash floating in the inside of the coal feeder body 1, and the dust and particulate ash enters the inside of the plurality of air suction holes 17, which is collected through the collecting filter bag 15, thereby reducing the dust and ash discharge. The material is placed in the middle part of the feeding hopper 21, the material enters the threaded blade 24 through the two feeding plates 25, the motor 22 is powered on and opened, the output end of the motor 22 drives the rotating shaft 23 to rotate, at this time the threaded blade 24 processes and crushes the material, the material is pretreated in the process of entering the inside of the coal feeder body 1, according to the actual demand of the material, when larger material is needed, the end part of the feeding plate 25 is slid inward, the end part of the feeding plate 25 is moved to a position at a specified distance from the threaded blade 24, the distance between the feeding plate 25 and the threaded blade 24 is adjusted, the screw rod 31 is rotated by holding the rotating handle 32, the end part of the screw rod 31 enters the middle part of the feeding plate 25 and presses against the middle part of the feeding plate 25, so that the middle part is fixed, thereby adjusting the size of the crushed material, when smaller material is needed, the end part of the feeding plate 25 is moved to the position of the threaded blade 24, when the collecting filter bag 15 is installed, the end parts of the two collecting filter bags 15 are slid into the positions of the corresponding supporting grooves 41, so that the collecting filter bags 15 enter the positions of the corresponding plurality of air suction holes 17, when the two collecting filter bags 15 are installed, the side wall of the connecting plate 42 is attached to the end part of the dust suction cover 11, when the collecting filter bag 15 is put into the inside of the dust suction cover 11, the two second magnetic blocks 52 approach the first magnetic block 51, at this time the second magnetic block 52 and the first magnetic block 51 generate an attractive force to tightly attach, so that the connecting plate 42 is fixed to the end part of the dust suction cover 11, when the material is conveyed, the conveying state of the material in the inside of the coal feeder body 1 is directly observed through the visual window 6, when the coal feeder body 1 is conveying, the sound insulation pad 7 is attached to the side wall of the coal feeder body 1, and the mechanical sound in the conveying process of the material in the inside of the coal feeder body 1 is absorbed through the sound insulation pad 7.

[0031] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A screw coal feeder with dust suction mechanism, comprising a coal feeder body (1), characterized in that: The coal feeder body (1) end is provided with a driver (10), the coal feeder body (1) top is equipped with a crushing assembly (2), the coal feeder body (1) top is fixed with a dust suction cover (11), the dust suction cover (11) is trapezoidal, the coal feeder body (1) side wall is fixedly connected with two fixed plates (12), two fixed plates (12) are oppositely arranged, the fixed plate (12) top is provided with a gas pump (13), the gas pump (13) middle is fixedly connected with a suction pipe (14), the suction pipe (14) end is fixedly connected with the dust suction cover (11) side wall, the dust suction cover (11) side wall is provided with two negative pressure cavities (16), the dust suction cover (11) inner wall is provided with a plurality of suction holes (17), a plurality of suction holes (17) are provided in the corresponding negative pressure cavity (16) position, the dust suction cover (11) bottom is fixedly connected with a mesh plate (18), the mesh plate (18) is arranged in the dust suction cover (11), the dust suction cover (11) middle is provided with a mounting assembly (4), the mounting assembly (4) middle is provided with a collection filter bag (15).

2. The screw coal feeder with dust suction mechanism according to claim 1, characterized in that: The crushing assembly (2) comprises a feed hopper (21), the feed hopper (21) is arranged at the end of the dust suction cover (11), the feed hopper (21) side wall is fixedly connected with a motor (22), the motor (22) output end penetrates the feed hopper (21) side wall, the motor (22) output end is fixedly connected with a rotating shaft (23), the rotating shaft (23) end is rotatably connected with the feed hopper (21) inner wall, the rotating shaft (23) middle is provided with a threaded blade (24), the feed hopper (21) inner wall is fixedly connected with two feeding plates (25), two feeding plates (25) are oppositely arranged, the feeding plate (25) end is provided with a notch (26), the feeding plate (25) middle is provided with an adjusting assembly (3).

3. The screw coal feeder with dust suction mechanism according to claim 2, characterized in that: The adjusting assembly (3) comprises two screws (31), the screw (31) is rotatably connected with the feed hopper (21) side wall, the screw (31) end is threadedly connected with the feeding plate (25) middle, the screw (31) end is fixedly connected with a rotating handle (32), the rotating handle (32) is arranged outside the feed hopper (21).

4. The screw coal feeder with dust suction mechanism according to claim 1, characterized in that: The mounting assembly (4) comprises two support grooves (41), two support grooves (41) are arranged in the dust suction cover (11) inner wall, two support grooves (41) are oppositely arranged, two collection filter bags (15) are slidably connected in the middle of two support grooves (41), two collection filter bags (15) are fixedly connected with a connecting plate (42) at the end.

5. The screw coal feeder with dust suction mechanism as claimed in claim 1 wherein: The dust suction cover (11) is provided with two grooves (5) near the connecting plate (42) end, two grooves (5) are oppositely arranged, the groove (5) middle is fixedly connected with a first magnetic block (51), the connecting plate (42) side wall is fixedly connected with two second magnetic blocks (52), two second magnetic blocks (52) are arranged in the corresponding groove (5) position, the first magnetic block (51) and the second magnetic block (52) are attracted when they are close.

6. The screw coal feeder with dust suction mechanism as claimed in claim 1 wherein: The coal feeder body (1) side wall is provided with a visual window (6), and the visual window (6) is made of transparent material.

7. The screw coal feeder with dust suction mechanism as claimed in claim 1 wherein: The coal feeder body (1) side wall is fixedly connected with two sound insulation pads (7), and the two sound insulation pads (7) are oppositely arranged.

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