Dust removal device for graphite production workshop

Abstract

The application discloses a graphite production workshop dust removal device, belongs to the field of bag type pulse dust collector, and can make compressed air spray in the dust removal cloth bag after passing through the spray pipe, the spray hole is closer to the inner wall of the dust removal cloth bag, the air pressure attenuation is smaller during spraying, the cleaning degree of the dust removal cloth bag is improved, and the compressed air can push the T-shaped extruding piece to move downwards and drive the O-shaped rotating seat and the spray pipe to rotate to blow air and remove dust on the inner wall of the dust removal cloth bag, so that the dust removal effect is improved.

Description

Technical Field

[0001] This invention relates to the field of baghouse pulse dust collectors, and more specifically, to a dust removal device for a graphite production workshop. Background Technology

[0002] The production of graphite products involves processes such as crushing, grinding, sieving, and mixing, which generate large amounts of graphite dust. This dust not only poses a serious threat to the respiratory system of operators, potentially leading to occupational diseases like pneumoconiosis with prolonged exposure, but also adheres to the surfaces of production equipment, affecting its precision and lifespan, and increasing the probability of equipment failure. Furthermore, graphite dust is explosive; when the dust concentration in the workshop reaches a critical level, it can easily cause safety accidents upon contact with open flames or static electricity, seriously threatening production safety. From an environmental perspective, the direct emission of unfiltered dust causes air pollution; therefore, dust control in graphite production workshops has become a critical issue that urgently needs to be addressed in the industry.

[0003] Bag pulse dust collectors have become the mainstream choice due to their high dust removal efficiency. Among them, bag pulse dust collectors use compressed air pulse jets to clean the filter bags. Although they have advantages such as good cleaning effect, long filter bag service life, and continuous operation, the inventors have found the following shortcomings in actual use:

[0004] For example, existing bag pulse dust collectors mainly use multiple nozzles below the main nozzle to directly blow air into the filter bags when blowing dust. Although this has a good air output effect, the air pressure gradually decreases as the air blown out of the nozzles moves downwards due to the long length of the filter bags and the distance between the nozzles and the bottom of the inner wall of the filter bags, which affects the overall dust removal effect of the filter bags.

[0005] Therefore, we proposed a dust removal device for graphite production workshops to solve the above-mentioned problems. Summary of the Invention

[0006] 1. Technical problems to be solved

[0007] Existing baghouse pulse dust collectors mainly use multiple nozzles below the main nozzle to directly blow air through the filter bags. Although this method has a good air output effect, the filter bags are relatively long and the nozzles are far from the bottom of the inner wall of the filter bags. As a result, the air pressure gradually decreases as it moves downward, which affects the overall dust removal effect of the filter bags.

[0008] 2. Technical Solution

[0009] To solve the above problems, the present invention adopts the following technical solution.

[0010] A dust removal device for a graphite production workshop includes a bag-type pulse dust collector. The pulse dust collector has several main spray pipes inside, and several branch pipe joints are equidistantly welded to the bottom of each main spray pipe. Each branch pipe joint has a connecting joint and a sleeve at its bottom. The bottom of the inner wall of each branch pipe joint and the top of the inner wall of the sleeve are both provided with internal threads. The top and bottom of each connecting joint are provided with external threads. The bottom of the branch pipe joint and the top of the sleeve are connected by the connecting joint. The connecting joint has a channel inside, and a crossbeam is fixedly welded to the top of the inner wall of the channel. A sealing plug is fixedly installed at the bottom of the crossbeam via a connecting rod.

[0011] The bottom of the connector is provided with a T-shaped extrusion member. The T-shaped extrusion member includes a sleeve edge portion, an insertion portion, and a second channel opened inside the T-shaped extrusion member. A sealing ring is fixedly sleeved on the outer wall of the sleeve edge portion. The outer wall of the sleeve edge portion contacts the inside of the sleeve through the sealing ring. The sealing plug is sleeved inside the second channel. A set of positioning slide rods is fixedly connected to the top of the sleeve edge portion. A set of sliding holes is opened on the connector corresponding to the position of the positioning slide rods. The positioning slide rods are slidably connected inside the corresponding sliding holes. Several connecting posts are fixedly connected at equal intervals to the bottom of the outer wall of the insertion portion.

[0012] Furthermore, a support spring and a washer are also fitted onto the T-shaped extrusion piece, with the top and bottom of the support spring contacting the bottom of the fitted edge and the top of the washer, respectively.

[0013] Furthermore, an O-shaped rotating seat is sleeved on the outside of the plug-in part. The O-shaped rotating seat has a channel three inside, and the inner wall of the channel three has a wavy groove. A vertical groove is also opened inside the channel three at the crest position of the wavy groove. The end of the connecting pile contacts the corresponding position inside the wavy groove.

[0014] Furthermore, the bottom of the inner wall of the O-shaped rotating seat is provided with an internal thread structure, the bottom of the O-shaped rotating seat is provided with a nozzle, the top outer wall of the nozzle is provided with an external thread structure, the top of the outer wall of the nozzle is threadedly connected to the bottom of the inner wall of the O-shaped rotating seat, and several nozzle holes are provided at equal intervals on both sides of the nozzle.

[0015] Furthermore, a support is sleeved on the outside of the nozzle. The support includes a sleeve mounting part and a support edge. The inner wall of the sleeve mounting part has an internal thread structure, and the bottom of the outer wall of the sleeve has an external thread structure. The inner wall of the sleeve mounting part is threaded to the bottom of the outer wall of the sleeve. Several balls are equidistantly rotatably connected to the top edge, bottom edge, and outer wall of the O-shaped rotating seat. The top edge of the O-shaped rotating seat contacts the bottom of the gasket ring through several balls. The bottom edge of the O-shaped rotating seat contacts the top surface of the support edge through several balls. The outer wall of the O-shaped rotating seat contacts the inner wall of the sleeve through several balls.

[0016] Furthermore, a bag seat plate is fixedly installed inside the bag pulse dust collector. Each bag seat plate corresponding to the branch pipe joint position has an installation hole. A dust collector bag is fixedly installed inside the installation hole by a bracket. The bottom of the spray pipe extends into the dust collector bag at the corresponding position.

[0017] Furthermore, a compressed gas tank is fixedly installed on one side of the outer wall of the bag-type pulse dust collector, and several solenoid valves are fixedly installed on the top of the compressed gas tank. The outlet end of the solenoid valve is connected to the end of the main spray pipe at the corresponding position.

[0018] 3. Beneficial effects

[0019] Compared with the prior art, the advantages of this invention are:

[0020] (1) In this scheme, by setting a nozzle and extending it to the bottom of the dust collector bag, compressed air can be sprayed inside the dust collector bag after passing through the nozzle. The nozzle is closer to the inner wall of the dust collector bag, and the air pressure attenuation is smaller during spraying, thereby improving the cleanliness of the dust collector bag by compressed air.

[0021] (2) In this scheme, since the sleeve is equipped with a T-shaped extrusion piece and an O-shaped rotating seat, and the nozzle is installed at the bottom of the O-shaped rotating seat, the compressed air can push the T-shaped extrusion piece to move downwards and drive the O-shaped rotating seat and the nozzle to rotate to blow air and remove dust from the inner wall of the dust collector bag. This facilitates the gradual and uniform blowing of air to remove dust from the inner wall of the dust collector bag, while also allowing the compressed air to be sprayed more concentratedly through the nozzle, thus improving the dust removal effect. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the external appearance of the bag-type pulse dust collector of the present invention;

[0023] Figure 2 This is a schematic diagram of the internal main spray pipe installation structure of the bag pulse dust collector of the present invention (for ease of viewing, some structures or areas of the bag pulse dust collector have been cut off);

[0024] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle;

[0025] Figure 4 This is a schematic diagram of the assembly structure of the branch pipe joint, connecting joint, sleeve and nozzle of the present invention.

[0026] Figure 5 For the present invention Figure 4 Internal structure breakdown diagram;

[0027] Figure 6 For the present invention Figure 4 Internal cross-sectional structure diagram;

[0028] Figure 7 For the present invention Figure 5 Schematic diagram of the central region structure Figure 1 ;

[0029] Figure 8 For the present invention Figure 5 Schematic diagram of the central region structure Figure 2 ;

[0030] Figure 9 This is a schematic diagram of the cross-sectional structure of the O-type rotary seat of the present invention.

[0031] Explanation of the labels in the diagram:

[0032] 1. Branch pipe joint;

[0033] 2. Connecting joint; 201. External threaded connection part; 202. Channel one; 203. Crossbeam; 204. Connecting rod; 205. Sealing plug; 206. Sliding hole;

[0034] 3. Sleeve;

[0035] 4. T-shaped extrusion part; 401. Sleeve edge part; 402. Insertion part; 4021. Connecting post; 403. Channel two; 404. Positioning slide rod;

[0036] 5. Support spring;

[0037] 6. Washers;

[0038] 7. O-ring rotary seat; 701. Channel three; 702. Wavy groove; 703. Vertical groove; 704. Ball bearing;

[0039] 8. Nozzle; 801. Nozzle;

[0040] 9. Support; 901. Socket mounting part; 902. Support edge;

[0041] 10. Pulse jet dust collector; 1001. Main nozzle; 1002. Bag seat plate; 1003. Dust collector bag; 1004. Compressed gas tank; 1005. Solenoid valve. Detailed Implementation

[0042] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0043] Example 1:

[0044] Please see Figures 1-9 A dust removal device for a graphite production workshop includes a bag-type pulse dust collector 10. The pulse dust collector 10 has several main spray pipes 1001 inside, and several branch pipe joints 1 are fixedly welded at equal intervals at the bottom of each main spray pipe 1001. Each branch pipe joint 1 has a connecting joint 2 and a sleeve 3 at its bottom. The bottom of the inner wall of the branch pipe joint 1 and the top of the inner wall of the sleeve 3 are both provided with internal thread structures. The top and bottom of the connecting joint 2 are both provided with external threaded connection parts 201. The bottom of the branch pipe joint 1 and the top of the sleeve 3 are connected by the connecting joint 2 through threads. The connecting joint 2 has a channel 202 inside, and a crossbeam 203 is fixedly welded to the top of the inner wall of the channel 202. A sealing plug 205 is fixedly installed at the bottom of the crossbeam 203 through a connecting rod 204.

[0045] The bottom of the connecting joint 2 is provided with a T-shaped extrusion part 4. The T-shaped extrusion part 4 includes a sleeve edge part 401, an insertion part 402, and a second channel 403 opened inside the T-shaped extrusion part 4. A sealing ring is fixedly sleeved on the outer wall of the sleeve edge part 401. The outer wall of the sleeve edge part 401 contacts the inside of the sleeve 3 through the sealing ring. The sealing plug 205 is sleeved inside the second channel 403. A set of positioning slide rods 404 is fixedly connected to the top of the sleeve edge part 401. A set of sliding holes 206 are opened on the connecting joint 2 at the position of the positioning slide rods 404. The positioning slide rods 404 are slidably connected inside the corresponding sliding holes 206. Several connecting posts 4021 are fixedly connected at equal intervals on the bottom of the outer wall of the insertion part 402.

[0046] The T-shaped extrusion 4 is also fitted with a support spring 5 and a washer 6. The top and bottom of the support spring 5 are in contact with the bottom of the sleeve edge 401 and the top of the washer 6, respectively.

[0047] An O-shaped rotating seat 7 is sleeved on the outside of the plug part 402. The O-shaped rotating seat 7 has a channel 3 701 inside, and a wave-shaped groove 702 is formed on the inner wall of the channel 3 701. A vertical groove 703 is also formed inside the channel 3 701 at the crest position of the wave-shaped groove 702. The end of the connecting post 4021 contacts the corresponding position inside the wave-shaped groove 702.

[0048] The bottom of the inner wall of the O-type rotary seat 7 is provided with an internal thread structure. A nozzle 8 is provided at the bottom of the O-type rotary seat 7. An external thread structure is provided on the top outer wall of the nozzle 8. The top of the outer wall of the nozzle 8 is threadedly connected to the bottom of the inner wall of the O-type rotary seat 7. Several nozzle holes 801 are equally spaced on both sides of the nozzle 8.

[0049] A support 9 is sleeved on the outside of the nozzle 8. The support 9 includes a sleeve mounting part 901 and a support edge 902. The inner wall of the sleeve mounting part 901 has an internal thread structure, and the bottom of the outer wall of the sleeve 3 has an external thread structure. The inner wall of the sleeve mounting part 901 is threaded to the bottom of the outer wall of the sleeve 3. Several balls 704 are equidistantly rotatably connected to the top edge, bottom edge, and outer wall of the O-type rotating seat 7. The top edge of the O-type rotating seat 7 contacts the bottom of the washer ring 6 through several balls 704. The bottom edge of the O-type rotating seat 7 contacts the top surface of the support edge 902 through several balls 704. The outer wall of the O-type rotating seat 7 contacts the inner wall of the sleeve 3 through several balls 704.

[0050] The bag pulse dust collector 10 has a bag seat plate 1002 fixedly installed inside. The bag seat plate 1002 at the corresponding branch pipe joint 1 position is provided with mounting holes. The dust collector bag 1003 is fixedly installed inside the mounting holes by a bracket. The bottom of the spray pipe 8 extends into the dust collector bag 1003 at the corresponding position.

[0051] A compressed gas tank 1004 is fixedly installed on one side of the outer wall of the bag pulse dust collector 10, and several solenoid valves 1005 are fixedly installed on the top of the compressed gas tank 1004. The outlet end of the solenoid valve 1005 is connected to the end of the main spray pipe 1001 at the corresponding position.

[0052] The working principle of this dust removal device in the graphite production workshop, where the spray nozzles remove dust from the filter bags, is as follows:

[0053] When a large amount of graphite dust is adsorbed on the outer wall of several dust collector bags 1003 inside the pulse dust collector 10, several solenoid valves 1005 open simultaneously, allowing compressed air from the compressed gas tank 1004 to enter several main nozzles 1001 through the solenoid valves 1005. Then, the compressed air from the main nozzles 1001 enters several branch pipe joints 1. At this time, the compressed air enters the channel 403 of the T-shaped extruder 4 through the channel 202 of the connecting joint 2, and stays on the top of the sealing plug 205. Between channel 1 202 and channel 2 403, as the pressure of compressed air gradually increases, the compressed air pushes the T-shaped extrusion member 4 downward. At the same time, while compressing the support spring 5, since the T-shaped extrusion member 4 and the O-shaped rotating seat 7 are connected by the connecting pin 4021 and the wave-shaped groove 702, while the T-shaped extrusion member 4 is pushed downward, the connecting pin 4021 slides downward through the vertical groove 703 into the wave-shaped groove 702, and also causes the O-shaped rotating seat 7 to rotate, thereby driving the nozzle 8 installed at the bottom of the O-shaped rotating seat 7 to rotate.

[0054] When the T-shaped extruder 4 is pushed down to its limit position, the sealing plug 205 disengages from the inside of the second channel 403. Therefore, compressed air can smoothly enter the third channel 701 of the O-shaped rotating seat 7 through the second channel 403, and finally enter the nozzle 8. Several nozzles 801 blow air onto the inner wall of the dust collector bag 1003 to achieve the effect of dust removal from the dust collector bag 1003.

[0055] After the dust removal operation is completed, several solenoid valves 1005 close simultaneously, stopping the air supply to the main nozzles 1001. At this time, the support spring 5 rebounds, driving the T-shaped extruder 4 to move upward and reset. During the upward reset of the T-shaped extruder 4, the connecting pin 4021, the wavy groove 702, and the O-shaped rotating seat 7 rotate again, causing the connecting pin 4021 to slide back into the corresponding vertical groove 703 and remain there. At the same time, the O-shaped rotating seat 7 drives the nozzle 8 to continue rotating, shifting the nozzle 801 away from the position of the previous spray, preparing for the next dust removal spray. This process continues until all positions on the inner wall of the dust collector bag 1003 have been sprayed for dust removal.

[0056] Example 2:

[0057] In view of the above embodiment 1, further description is provided, see reference. Figures 6-9A number of connecting posts 4021 are fixedly connected at equal intervals to the bottom of the outer wall of the insertion part 402 of the T-shaped extruder 4. The inner wall of the channel 3 701 of the O-shaped rotating seat 7 is provided with a wavy groove 702. A vertical groove 703 is also provided inside the channel 3 701 at the corresponding position of the wavy groove 702. The structural design of the connecting post 4021 contacting the corresponding position inside the wavy groove 702 allows the O-shaped rotating seat 7 to rotate when the T-shaped extruder 4 is pressed downward, thereby driving the nozzle 8 to rotate. This achieves the effect of uniformly spraying the nozzle 801 onto the inner wall of the dust collector bag 1003. Furthermore, through this structural design, when the T-shaped extruder 4 moves upward and resets, the positional relationship between the wavy groove 702 and the vertical groove 703 allows the O-shaped rotating seat 7 to continue rotating forward without reversing and resetting. This avoids the nozzle 801 always rotating and spraying back and forth in the same area, thus avoiding the phenomenon of incomplete spraying of the inner wall of the dust collector bag 1003.

[0058] The sleeve edge 401 of the T-shaped extruder 4 is designed to contact the inside of the sleeve 3 through a sealing ring, which allows the T-shaped extruder 4 to form a piston structure. When compressed air enters between the first channel 202 and the second channel 403 at the top of the sealing plug 205, it can push the T-shaped extruder 4 downward. To make the pushing process more convenient, the inner diameter of the second channel 403 of the T-shaped extruder 4 and the outer diameter of the sealing plug 205 can be made smaller during manufacturing to increase the contact area between the top surface of the T-shaped extruder 4 and the compressed air.

[0059] The washer 6 is designed to prevent the bottom of the support spring 5 from directly contacting the top of the O-type swivel seat 7, thus avoiding interference with the rotation of the O-type swivel seat 7.

[0060] The structure in which the connecting joint 2 and the T-shaped extrusion piece 4 are slidably connected by the positioning slide rod 404 is to limit the movement of the T-shaped extrusion piece 4, so that it can only move up and down, and avoid affecting the rotation of the O-shaped rotating seat 7.

[0061] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and its improved concepts, should be covered within the scope of protection of the present invention.

Claims

1. A graphite production plant dedusting device comprising a bag-type pulse deduster (10), characterized in that: The pulse dust collector (10) is internally provided with a plurality of main nozzles (1001), and a plurality of branch pipe joints (1) are fixedly welded at the bottom of the main nozzles (1001) at equal intervals, a connecting joint (2) and a sleeve (3) are arranged at the bottom of the branch pipe joint (1), an internal thread structure is formed in the inner wall bottom of the branch pipe joint (1) and the inner wall top of the sleeve (3), external thread connecting portions (201) are arranged at the top and bottom of the connecting joint (2), the bottom of the branch pipe joint (1) and the top of the sleeve (3) are threadedly connected through the connecting joint (2), a channel one (202) is formed in the connecting joint (2), a crossbeam (203) is fixedly welded to the inner wall top of the channel one (202), and a sealing plug (205) is fixedly installed on the bottom of the crossbeam (203) through a connecting rod (204); A T-shaped extrusion piece (4) is arranged at the bottom of the connecting joint (2), the T-shaped extrusion piece (4) comprises a sleeving edge portion (401), an inserting portion (402) and a channel two (403) formed in the T-shaped extrusion piece (4), a sealing ring is fixedly sleeved on the outer wall of the sleeving edge portion (401), the outer wall of the sleeving edge portion (401) is in contact with the inside of the sleeve (3) through the sealing ring, the sealing plug (205) is sleeved in the channel two (403), a group of positioning sliding rods (404) are fixedly connected to the top of the sleeving edge portion (401), a group of sliding holes (206) are formed in the connecting joint (2) at positions corresponding to the positioning sliding rods (404), the positioning sliding rods (404) are slidingly connected in the sliding holes (206), and a plurality of connecting piles (4021) are fixedly connected to the outer wall bottom of the inserting portion (402) at equal intervals; A supporting spring (5) and a grommet (6) are also sleeved on the T-shaped extrusion piece (4), and the top and bottom of the supporting spring (5) are in contact with the bottom of the sleeving edge portion (401) and the top of the grommet (6) respectively; An O-shaped rotating seat (7) is sleeved on the outer side of the inserting portion (402), a channel three (701) is formed in the O-shaped rotating seat (7), a wave-shaped groove (702) is formed in the inner wall of the channel three (701), a vertical groove (703) is further formed in the channel three (701) at a position corresponding to the wave crest of the wave-shaped groove (702), and the end of the connecting pile (4021) is in contact with the corresponding position in the wave-shaped groove (702); An internal thread structure is formed in the inner wall bottom of the O-shaped rotating seat (7), a nozzle (8) is arranged at the bottom of the O-shaped rotating seat (7), an external thread structure is formed in the outer wall top of the nozzle (8), the outer wall top of the nozzle (8) is threadedly connected with the inner wall bottom of the O-shaped rotating seat (7), and a plurality of spray holes (801) are formed in the nozzle (8) at equal intervals on both sides.

2. A graphite production plant dedusting device according to claim 1, characterized in that: The nozzle (8) is sleeved with a support (9), the support (9) comprises a sleeved mounting part (901) and a supporting edge (902), an internal thread structure is arranged on the inner wall of the sleeved mounting part (901), an external thread structure is arranged on the bottom of the outer wall of the sleeve (3), the inner wall of the sleeved mounting part (901) is threadedly connected with the bottom of the outer wall of the sleeve (3), a plurality of balls (704) are equidistantly and rotatably connected on the top surface edge, the bottom surface edge and the outer wall of the O-shaped rotating seat (7), the top surface edge of the O-shaped rotating seat (7) is in contact with the bottom of the gasket ring (6) through the plurality of balls (704), the bottom surface edge of the O-shaped rotating seat (7) is in contact with the top surface of the supporting edge (902) through the plurality of balls (704), and the outer wall of the O-shaped rotating seat (7) is in contact with the inner wall of the sleeve (3) through the plurality of balls (704).

3. A graphite production plant dedusting device according to claim 1, characterized in that: The bag type pulse dust collector (10) is internally fixedly installed with a bag seat plate (1002), mounting holes are formed in the bag seat plate (1002) corresponding to the positions of the branch pipe joints (1), dust removal bags (1003) are fixedly installed in the mounting holes through supports, and the nozzle (8) extends to the inside of the dust removal bag (1003) at the corresponding position.

4. The graphite production plant dedusting device according to claim 1, characterized in that: The bag type pulse dust collector (10) is externally fixedly installed with a compressed gas tank (1004) on one side, a plurality of electromagnetic valves (1005) are fixedly installed on the top of the compressed gas tank (1004), and the gas outlet ends of the electromagnetic valves (1005) are connected with the end portions of the main nozzles (1001) at the corresponding positions.

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