Bag type dust collector with inlet air pre-separation function

Abstract

The utility model provides an intake air pre-separation bag type dust collector, which relates to the technical field of dust collectors, and comprises a dust collector main body and a separation cylinder, one side of the dust collector main body is fixedly connected with a connecting pipe, the separation cylinder is internally provided with a cavity, the side surface of the separation cylinder is fixedly connected with an air inlet pipe, and the air inlet pipe is fixedly connected with an air outlet pipe. A baffle cover is movably installed on the surface of the separation barrel, a driving motor is fixedly installed at the rear end of the separation barrel, a mounting rod is arranged in the separation barrel, when smoke enters the separation barrel, screen holes in the inner wall of a cavity can separate large particles, and the driving motor drives the mounting rod and a scraper to rotate, so that the large particles can be separated; filtered dust particles can be cleaned, dust accumulation is prevented from blocking screen holes, the dust content in smoke is reduced, a rotating rod is rotated to enable a movable block to contract towards the interior of a fixing base, limiting on a blocking cover is relieved, a mounting rod is connected to the surface of a transmission shaft in a sleeving mode, the mounting rod is taken down from the surface of the transmission shaft in a sliding mode, and later cleaning of the mounting rod is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collectors, in particular to a bag-type dust collector with air pre-separation. Background Art

[0002] With the improvement of environmental protection requirements, the emission requirements for solid particles in the atmosphere are becoming more and more stringent. Among dust removal equipment, bag dust collectors are widely used due to their high dust removal efficiency. Most existing bag dust collectors use compressed air pulse cleaning method, which uses compressed air to induce the purified air flow to spray into the filter bag, causing the filter bag to vibrate, and the air flow impacts the dust layer to achieve a cleaning effect.

[0003] In the existing technology, when encountering flue gas with a high dust content, it is easy to cause heavy load on the filter bags and frequent cleaning. In severe cases, it will lead to shortened filter bag life and excessive system resistance. Therefore, before the filter bags process the dust, it is necessary to reduce the dust content in the flue gas in order to increase the service life of the belt dust collector. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that when the flue gas has a large dust content, it is easy to cause heavy load on the filter bag, frequent cleaning, and in severe cases, shortened filter bag life and excessive system resistance. A bag dust collector with air pre-separation is proposed.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a bag dust collector with air intake pre-separation, comprising a dust collector body and a separation cylinder, one side of the dust collector body is fixedly connected to a connecting pipe, the other side of the connecting pipe is fixedly connected to the outer wall of the separation cylinder, a cavity is opened inside the separation cylinder, the side of the separation cylinder is fixedly connected to the air intake pipe, the bottom of the separation cylinder is fixedly connected to a connecting frame, a dust box is movably installed inside the connecting frame, a baffle is movably installed on the surface of the separation cylinder, a drive motor is fixedly installed at the rear end of the separation cylinder, and a mounting rod is provided inside the separation cylinder.

[0006] Preferably, a sieve hole is provided on one side of the inner wall of the cavity, one end of the sieve hole is communicated with the interior of the connecting pipe, an opening is provided at the bottom end of the inner wall of the cavity, and the bottom end of the opening is communicated with the interior of the connecting frame.

[0007] Preferably, a through hole is opened on the surface of the mounting rod, a scraper is fixedly connected to the side of the mounting rod, and the side of the scraper is in contact with the inner wall of the cavity.

[0008] Preferably, a transmission shaft is fixedly mounted on the output end of the driving motor, and the shape of the transmission shaft matches the shape of the through hole.

[0009] Preferably, both upper and lower ends of the stop cover are provided with card slots, the surface of the stop cover is fixedly connected to a handle, the rear end of the stop cover is fixedly connected to a positioning block, and the diameter length of the positioning block is equal to the diameter length of the cavity.

[0010] Preferably, both upper and lower ends of the separation cylinder are fixedly connected to a fixing seat, a turning handle is movably mounted on the top of the fixing seat, a screw is fixedly connected to the bottom of the turning handle, and a movable block is provided at the bottom of the fixing seat.

[0011] Preferably, the shape of the movable block matches the shape of the slot, and the inner wall of the movable block is threadedly connected to the surface of the screw.

[0012] Compared with the prior art, the advantages and positive effects of the present invention are:

[0013] 1. In the present invention, a separation cylinder is installed on one side of the connecting pipe. When the flue gas enters the separation cylinder, the sieve holes on the inner wall of the cavity can separate larger particles. The driving motor drives the mounting rod and the scraper to rotate, so that the filtered dust particles can be cleaned to prevent dust accumulation from clogging the sieve holes. Part of the dust in the flue gas is pre-separated, thereby reducing the dust content in the flue gas.

[0014] 2. In the present invention, the blocking cover is limited and fixed on the surface of the separation cylinder by the movable block. By rotating the rotating rod, the movable block can be retracted toward the inside of the fixed seat to release the limitation of the blocking cover. The mounting rod is sleeved on the surface of the transmission shaft. The mounting rod is slid and removed from the surface of the transmission shaft to facilitate its later cleaning and prevent the scraper from adhering to a lot of dust and affecting the separation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main body structure of a bag-type dust collector with air pre-separation proposed in the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of a separation cylinder of a bag-type dust collector with air pre-separation proposed in the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the mounting rod of a bag-type dust collector with air pre-separation proposed in the utility model;

[0018] Figure 4 The utility model provides a schematic diagram of the side cross-sectional structure of a separation cylinder of a bag-type dust collector with air pre-separation;

[0019] Figure 5 This is an enlarged schematic diagram of the structure at point A of a bag-type dust collector with air pre-separation proposed in the utility model.

[0020] Legend: 1. Dust collector body; 11. Connecting pipe; 2. Separation barrel; 201. Cavity; 202. Sieve hole; 203. Opening; 21. Air inlet pipe; 22. Connecting frame; 23. Dust box; 3. Shield; 301. Slot; 31. Handle; 32. Positioning block; 4. Drive motor; 41. Transmission shaft; 5. Mounting rod; 501. Through hole; 51. Scraper; 6. Fixing seat; 61. Turning handle; 62. Screw; 63. Movable block. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1

[0024] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a bag dust collector with air intake pre-separation, comprising a dust collector body 1 and a separation cylinder 2, one side of the dust collector body 1 is fixedly connected to a connecting pipe 11, the other side of the connecting pipe 11 is fixedly connected to the outer wall of the separation cylinder 2, a cavity 201 is opened inside the separation cylinder 2, the side of the separation cylinder 2 is fixedly connected to an air intake pipe 21, the bottom of the separation cylinder 2 is fixedly connected to a connecting frame 22, an ash box 23 is movably installed inside the connecting frame 22, a baffle 3 is movably installed on the surface of the separation cylinder 2, and a driving mechanism is fixedly installed at the rear end of the separation cylinder 2. The motor 4 and the separation cylinder 2 are provided with a mounting rod 5. A sieve hole 202 is provided on one side of the inner wall of the cavity 201. One end of the sieve hole 202 is communicated with the interior of the connecting pipe 11. An opening 203 is provided at the bottom end of the inner wall of the cavity 201. The bottom end of the opening 203 is communicated with the interior of the connecting frame 22. A through hole 501 is provided on the surface of the mounting rod 5. A scraper 51 is fixedly connected to the side of the mounting rod 5. The side of the scraper 51 is in contact with the inner wall of the cavity 201. A transmission shaft 41 is fixedly installed at the output end of the driving motor 4. The shape of the transmission shaft 41 matches the shape of the through hole 501.

[0025] In this embodiment, dust-laden flue gas is passed into the air inlet pipe 21, and there is suction inside the dust collector body 1, which sucks the flue gas inside the cavity 201 into the connecting pipe 11, and the larger dust particles in the flue gas are filtered and separated by the sieve holes 202, and the smaller particles pass through the sieve holes 202 and enter the dust collector body 1 for dust removal. The large particles that are filtered and separated are adsorbed on the inner wall of the cavity 201, and then the drive motor 4 is started to drive the transmission shaft 41 to rotate. The mounting rod 5 is sleeved on the surface of the transmission shaft 41, so that it drives the scraper 51 to rotate to clean the inner wall of the cavity 201, and the large particles are scraped off to the inside of the dust box 23 for collection, thereby reducing the dust content in the flue gas.

[0026] Example 2

[0027] like Figure 1-Figure 5 As shown, the output end of the driving motor 4 is fixedly installed with a transmission shaft 41, and the shape of the transmission shaft 41 matches the shape of the through hole 501. The upper and lower ends of the baffle cover 3 are provided with a card slot 301, and the surface of the baffle cover 3 is fixedly connected with a handle 31, and the rear end of the baffle cover 3 is fixedly connected with a positioning block 32. The diameter length of the positioning block 32 is equal to the diameter length of the cavity 201. The upper and lower ends of the separation cylinder 2 are fixedly connected with a fixed seat 6, and the top of the fixed seat 6 is movably installed with a turning handle 61, and the bottom of the turning handle 61 is fixedly connected with a screw 62. The bottom of the fixed seat 6 is provided with a movable block 63, and the shape of the movable block 63 matches the shape of the card slot 301. The inner wall of the movable block 63 is threadedly connected to the surface of the screw 62.

[0028] In this embodiment, when the scraper 51 rotates for a long time inside the separation cylinder 2, a lot of dust will be adhered to it, affecting the cleaning effect. By turning the handle 61 on the top of the fixed seat 6, the screw 62 is driven to rotate. The screw 62 rotates on the inner wall of the movable block 63 to retract the movable block 63 into the fixed seat 6, and the bottom end of the movable block 63 is moved out from the inside of the slot 301, releasing the limit on the baffle 3. The handle 31 is lifted to remove the baffle 3 from the surface of the separation cylinder 2, and the mounting rod 5 can be pulled out from the surface of the drive shaft 41 to remove it, thereby facilitating the disassembly and cleaning of the scraper 51. The positioning block 32 on the rear side of the baffle 3 is embedded in the cavity 201, which makes it convenient to align the baffle 3 on the surface of the separation cylinder 2.

[0029] The working principle of this embodiment is as follows: dust-laden flue gas enters the air inlet pipe 21 and enters the dust collector body 1 through suction. The larger dust particles in the flue gas are filtered and separated on the inner wall of the cavity 201 by the sieve hole 202. Then the drive motor 4 is started to drive the transmission shaft 41 and the mounting rod 5 to rotate. The scraper 51 rotates to scrape the particles on the inner wall of the cavity 201 to the inside of the ash box 23 for collection, thereby reducing the dust content in the flue gas. When the scraper 51 needs to be cleaned, the screw 62 is driven to rotate by rotating the handle 61 on the top of the fixed seat 6. The rotation of the screw 62 causes the movable block 63 to retract into the inside of the fixed seat 6. Lift the handle 31 to remove the cover 3 from the surface of the separation cylinder 2. The mounting rod 5 can be removed by pulling it out from the surface of the transmission shaft 41, thereby facilitating the disassembly and cleaning of the scraper 51.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A bag filter for air pre-separation, comprising a filter body (1) and a separation drum (2), characterized in that: A connecting pipe (11) is fixedly connected to one side of the dust collector body (1), and the other side of the connecting pipe (11) is fixedly connected to the outer wall of the separation cylinder (2). A cavity (201) is provided inside the separation cylinder (2). An air inlet pipe (21) is fixedly connected to the side of the separation cylinder (2). A connecting frame (22) is fixedly connected to the bottom of the separation cylinder (2). A dust collecting box (23) is movably installed inside the connecting frame (22). A blocking cover (3) is movably installed on the surface of the separation cylinder (2). A driving motor (4) is fixedly installed at the rear end of the separation cylinder (2), and a mounting rod (5) is provided inside the separation cylinder (2).

2. The bag filter for air pre-separation according to claim 1, characterized in that: A sieve hole (202) is provided on one side of the inner wall of the cavity (201), one end of the sieve hole (202) is communicated with the interior of the connecting pipe (11), an opening (203) is provided at the bottom end of the inner wall of the cavity (201), and the bottom end of the opening (203) is communicated with the interior of the connecting frame (22).

3. The bag filter for air pre-separation according to claim 1, characterized in that: A through hole (501) is provided on the surface of the mounting rod (5), and a scraper (51) is fixedly connected to the side of the mounting rod (5), and the side of the scraper (51) is in contact with the inner wall of the cavity (201).

4. The bag filter for air pre-separation according to claim 1, characterized in that: A transmission shaft (41) is fixedly mounted on the output end of the driving motor (4), and the shape of the transmission shaft (41) matches the shape of the through hole (501).

5. The bag filter for air pre-separation according to claim 1, characterized in that: The upper and lower ends of the blocking cover (3) are both provided with a card slot (301), the surface of the blocking cover (3) is fixedly connected to a handle (31), and the rear end of the blocking cover (3) is fixedly connected to a positioning block (32), and the diameter length of the positioning block (32) is equal to the diameter length of the cavity (201).

6. The bag filter for air pre-separation according to claim 1, characterized in that: The upper and lower ends of the separation cylinder (2) are fixedly connected to a fixing seat (6), a turning handle (61) is movably installed on the top of the fixing seat (6), a screw (62) is fixedly connected to the bottom of the turning handle (61), and a movable block (63) is provided at the bottom of the fixing seat (6).

7. The bag filter for air pre-separation according to claim 6, characterized in that: The shape of the movable block (63) matches the shape of the slot (301), and the inner wall of the movable block (63) is threadedly connected to the surface of the screw rod (62).

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