Counter-flow granular bed filter

Abstract

The utility model discloses a reverse flow type granular bed filter which comprises a barrel body, a smoke inlet pipe and an air outlet pipe are fixedly connected to one side of the barrel body, a fixing plate is fixedly connected to the position, located above the smoke inlet pipe, in the barrel body, a mounting hole is formed in the top of the fixing plate, a connecting pipe is fixedly connected into the mounting hole, and the connecting pipe is fixedly connected with the air outlet pipe. A conical pipe is fixedly connected to the top end of the connecting pipe, a first discharging pipe is fixedly connected to the bottom of the barrel body, a support is fixedly connected to the position, close to the bottom, of the inner wall of one side of the barrel body, a rotating shaft is rotationally connected to the bottom of the support, two symmetrically-distributed scraping plates are fixedly connected to the circumferential outer wall of the rotating shaft, and the scraping plates extend into the first discharging pipe. According to the filter disclosed by the utility model, smoke dust can be prevented from being adhered in the first blanking pipe for a long time to be solidified, the use effect of the filter is improved, the second blanking pipe can be conveniently disassembled and assembled, and a worker can conveniently replace and clean the second blanking pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a countercurrent particle bed filter. Background Art

[0002] Petrochemical industry mainly refers to gasoline, kerosene, diesel, heavy oil and natural gas produced by petroleum refining. It is the main supplier of major energy sources at present. Petrochemical enterprises have large-scale production facilities, so the process waste gas emissions are large and the pollutant diffusion range is large. Although they are discharged at high altitudes, the environmental pollution is still serious.

[0003] The existing countercurrent particle bed filter for exhaust gas filtration will accumulate a large amount of smoke and dust on the inner wall of the discharge pipe when used for a long time. If it is not cleaned in time, the dust will solidify and cause damage. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a counter-current particle bed filter.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A countercurrent granular bed filter comprises a barrel body, one side of which is fixedly connected to a smoke inlet pipe and an air outlet pipe, a fixing plate is fixedly connected to a position above the smoke inlet pipe in the barrel body, a mounting hole is opened on the top of the fixing plate, a connecting pipe is fixedly connected in the mounting hole, a conical tube is fixedly connected to the top of the connecting pipe, a first discharge pipe is fixedly connected to the bottom of the barrel body, a bracket is fixedly connected to a position near the bottom of the inner wall of one side of the barrel body, the bottom of the bracket is rotatably connected to a rotating shaft, two symmetrically distributed scrapers are fixedly connected to the circumferential outer wall of the rotating shaft, and the scrapers extend into the first discharge pipe, a second discharge pipe is provided at the bottom of the first discharge pipe, the second discharge pipe is connected to the first discharge pipe through a connecting assembly, and a power component for driving the rotating shaft to rotate is provided on the top of the bracket.

[0007] As a further solution of the utility model, the power component is a motor, the motor is fixedly connected to the top of the bracket, and one end of the motor output shaft passes through the bracket and is fixed to the rotating shaft.

[0008] As a further solution of the utility model, the connecting assembly includes two second fixed seats, the two second fixed seats are symmetrically fixedly connected to the outside of the first discharge pipe, the bottom of the two second fixed seats are provided with a threaded groove, the circumferential outer wall of the second discharge pipe is symmetrically fixedly connected to the two first fixed seats, the top of the two first fixed seats is provided with a threaded hole, the threaded hole is threadedly connected with a threaded rod, and the threaded rod is threadedly connected to the threaded groove.

[0009] As a further solution of the utility model, the bottom end of the threaded rod is fixedly connected with a knob for rotating the threaded rod.

[0010] As a further solution of the utility model, the circumferential outer wall of the second discharge pipe is symmetrically fixedly connected with two connecting plates, the tops of the two connecting plates are fixedly connected with plug rods, and the outer side of the first discharge pipe is symmetrically fixedly connected with two connecting blocks, and the plug rods pass through the connecting blocks.

[0011] As a further solution of the utility model, a feed pipe communicating with the interior of the barrel body is fixedly connected to the top of the barrel body.

[0012] As a further solution of the utility model, a support frame is fixedly connected to the circumferential outer wall of the barrel body at a position below the smoke inlet pipe.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the setting of the scraper, the rotating shaft drives the scraper to rotate, and the scraper will scrape and clean the smoke and dust adhering to the inner wall of the first discharge pipe, thereby preventing the smoke and dust from adhering to the first discharge pipe for a long time and solidifying, thereby improving the use effect of the filter.

[0015] 2. Through the setting of the connecting component, the first feeding pipe is connected to the second feeding pipe using the connecting component, thereby facilitating the disassembly and installation of the second feeding pipe and facilitating the staff to replace and clean the second feeding pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a countercurrent granular bed filter proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of a barrel of a countercurrent granular bed filter proposed by the utility model;

[0018] Figure 3 This is a partially enlarged structural schematic diagram of a countercurrent granular bed filter proposed by the utility model.

[0019] In the figure: 1, smoke inlet pipe; 2, barrel body; 3, exhaust pipe; 4, feed pipe; 5, fixing plate; 6, connecting pipe; 7, tapered pipe; 8, bracket; 9, connecting block; 10, plug rod; 11, connecting plate; 12, second feed pipe; 13, knob; 14, first fixing seat; 15, threaded rod; 16, second fixing seat; 17, rotating shaft; 18, scraper; 19, first feed pipe. DETAILED DESCRIPTION

[0020] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0021] Reference Figure 1-Figure 3 A countercurrent granular bed filter comprises a barrel body 2, a smoke inlet pipe 1 and an air outlet pipe 3 are welded to one side of the barrel body 2, a fixing plate 5 is fixed by bolts at a position above the smoke inlet pipe 1 in the barrel body 2, a mounting hole is opened at the top of the fixing plate 5, a connecting pipe 6 is welded in the mounting hole, a conical pipe 7 is welded at the top of the connecting pipe 6, a first discharge pipe 19 is fixed by bolts at the bottom of the barrel body 2, a bracket 8 is welded at a position near the bottom of the inner wall of one side of the barrel body 2, a rotating shaft 17 is rotatably connected to the bottom of the bracket 8, two symmetrically distributed scrapers 18 are fixed to the circumferential outer wall of the rotating shaft 17 by bolts, and the scrapers 18 extend into the first discharge pipe 19 and contact the first discharge pipe 19, a second discharge pipe 12 is provided at the bottom of the first discharge pipe 19, and the second discharge pipe 12 is connected to the first discharge pipe 19 through a connecting assembly, and a power component for driving the rotating shaft 17 to rotate is provided at the top of the bracket 8, A feed pipe 4 connected to the inside of the barrel body 2 is welded on the top of the barrel body 2. The flue gas is added into the barrel body 2 through the smoke inlet pipe 1, and the particles used to purify the flue gas are added into the barrel body 2 through the feed pipe 4. The particles of the purified flue gas will fall into the conical tube 7 and fall downward through the connecting pipe 6, and the flue gas will enter the connecting pipe 6 through the mounting hole on the fixing plate 5 and be purified by the particles of the purified flue gas. The purified flue gas will be discharged through the exhaust pipe 3. When the flue gas enters the barrel body 2, the smoke contained in the smoke will fall downward and be discharged through the first discharge pipe 19 and the second discharge pipe 12. The rotating shaft 17 is driven to rotate by the power component, and the rotating shaft 17 will drive the scraper 18 to rotate, so that the scraper 18 scrapes and cleans the smoke dust adhered to the inner wall of the first discharge pipe 19, thereby preventing the smoke dust from adhering to the first discharge pipe 19 for a long time and solidifying, thereby improving the use effect of the filter.

[0022] The connecting assembly includes two second fixing seats 16, which are symmetrically welded on the outside of the first feeding tube 19, and the bottoms of the two second fixing seats 16 are both provided with threaded grooves. The circumferential outer wall of the second feeding tube 12 is symmetrically welded with two first fixing seats 14, and the tops of the two first fixing seats 14 are both provided with threaded holes, and the threaded holes are threadedly connected with threaded rods 15, and the threaded rods 15 are threadedly connected to the threaded grooves, and the threaded rods 15 are threadedly engaged with the threaded grooves, so as to connect the first feeding tube 19 and the second feeding tube 12. After the threaded rods 15 are disengaged from the threaded grooves, the first feeding tube 19 can be disengaged from the second feeding tube 12, which is convenient for disassembly and installation of the second feeding tube 12, and convenient for the staff to replace and clean the second feeding tube 12.

[0023] In the utility model, the power component is a motor, which is fixed to the top of the bracket 8 by bolts. One end of the motor output shaft passes through the bracket 8 and is fixed to the rotating shaft 17. When the motor is started, the motor will drive the rotating shaft 17 to rotate. A knob 13 for rotating the threaded rod 15 is welded to the bottom end of the threaded rod 15, and the threaded rod 15 can be rotated by the knob 13. Two connecting plates 11 are symmetrically welded to the circumferential outer wall of the second discharge pipe 12, and the tops of the two connecting plates 11 are fixed with a plug rod 10 by bolts. Two connecting blocks 9 are symmetrically welded to the outer side of the first discharge pipe 19, and the plug rod 10 passes through the connecting block 9. The plug rod 10 passes through the connecting block 9, which plays a positioning role in the connection between the first discharge pipe 19 and the second discharge pipe 12. The circumferential outer wall of the barrel body 2 is located below the smoke inlet pipe 1 and is fixed with a support frame by bolts.

[0024] Working principle: when it is needed, add the flue gas into the barrel body 2 through the smoke inlet pipe 1, add the particles for purifying the flue gas into the barrel body 2 through the feed pipe 4, the particles of the purified flue gas will fall into the conical tube 7, and fall downward through the connecting tube 6, and the flue gas will enter the connecting tube 6 through the mounting hole on the fixing plate 5, and be purified by the particles of the purified flue gas, and the purified flue gas will be discharged through the exhaust pipe 3, and when the flue gas enters the barrel body 2, the smoke contained in the smoke will fall downward, and be discharged through the first discharge pipe 19 and the second discharge pipe 12, and at the same time, the rotating shaft 17 is driven to rotate by the motor, and the rotating shaft 17 will drive the scraper 18 to rotate, so that the scraper 18 scrapes and cleans the smoke dust adhered to the inner wall of the first discharge pipe 19, thereby avoiding the smoke dust from adhering to the first discharge pipe 19 for a long time and solidifying, thereby improving the use effect of the filter.

[0025] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A counter-current granular bed filter, comprising a barrel (2), characterized in that: A smoke inlet pipe (1) and an air outlet pipe (3) are fixedly connected to one side of the barrel body (2); a fixing plate (5) is fixedly connected to a position above the smoke inlet pipe (1) in the barrel body (2); a mounting hole is provided at the top of the fixing plate (5); a connecting pipe (6) is fixedly connected to the mounting hole; a conical pipe (7) is fixedly connected to the top of the connecting pipe (6); a first discharge pipe (19) is fixedly connected to the bottom of the barrel body (2); and a fixing plate (5) is fixedly connected to a position near the bottom of the inner wall of one side of the barrel body (2). A bracket (8) is provided, wherein the bottom of the bracket (8) is rotatably connected to a rotating shaft (17), and the circumferential outer wall of the rotating shaft (17) is fixedly connected to two symmetrically distributed scrapers (18), and the scrapers (18) extend into a first discharge pipe (19), and a second discharge pipe (12) is provided at the bottom of the first discharge pipe (19), and the second discharge pipe (12) is connected to the first discharge pipe (19) through a connecting assembly, and a power component for driving the rotating shaft (17) to rotate is provided at the top of the bracket (8).

2. A counter-flow granular bed filter according to claim 1, characterized in that: The power component is a motor, which is fixedly connected to the top of the bracket (8), and one end of the motor output shaft passes through the bracket (8) and is fixed to the rotating shaft (17).

3. A counter-flow granular bed filter according to claim 1, characterized in that: The connecting assembly comprises two second fixing seats (16), the two second fixing seats (16) are symmetrically fixedly connected to the outer side of the first discharge pipe (19), the bottoms of the two second fixing seats (16) are provided with threaded grooves, the circumferential outer wall of the second discharge pipe (12) is symmetrically fixedly connected to two first fixing seats (14), the tops of the two first fixing seats (14) are provided with threaded holes, the threaded holes are threadedly connected to threaded rods (15), and the threaded rods (15) are threadedly connected to the threaded grooves.

4. A counter-flow granular bed filter according to claim 3, characterized in that: The bottom end of the threaded rod (15) is fixedly connected with a knob (13) for rotating the threaded rod (15).

5. A counter-flow granular bed filter according to claim 3, characterized in that: The circumferential outer wall of the second feed pipe (12) is symmetrically fixedly connected with two connecting plates (11), and the tops of the two connecting plates (11) are fixedly connected with insertion rods (10). The outer side of the first feed pipe (19) is symmetrically fixedly connected with two connecting blocks (9), and the insertion rods (10) pass through the connecting blocks (9).

6. A counter-flow granular bed filter according to claim 1, characterized in that: A feed pipe (4) which is in communication with the interior of the barrel body (2) is fixedly connected to the top of the barrel body (2).

7. A counter-flow granular bed filter according to claim 6, characterized in that: A support frame is fixedly connected to the circumferential outer wall of the barrel body (2) at a position below the smoke inlet pipe (1).

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