Cleaning mechanism for filter bag type high-temperature dust remover

Abstract

The cleaning mechanism comprises a machine body, an upper partition plate and a lower partition plate are fixedly installed in the machine body, a plurality of evenly-distributed filter bags are fixedly installed on the surface of the lower partition plate, and a rotating rod is rotationally connected to the inner wall of the machine body; each rotating rod is connected with the adjacent rotating rod through a driven rod, the end parts of the opposite rotating rods are fixedly connected with the two ends of a cross rod respectively, and the cross rod is in contact with the surface of the filter bag. High-temperature flue gas circulates in the machine body, dust in the flue gas is filtered out through the filter bag, when cleaning is needed, the filter bag is cleaned through pulse type reverse blowing operation, the rotating rod swings back and forth to drive the transverse rod to touch the filter bag, attached dust is effectively removed through reverse blowing and vibration, and the cleaning efficiency is improved. Meanwhile, the connecting rod is used for controlling the tensioning degree of the filter bag, the relaxation degree of the surface of the filter bag can be controlled to be matched with beating vibration, and the cleaning effect can be further improved.

Description

Technical Field

[0001] The invention relates to a cleaning mechanism for a filter bag type high-temperature dust collector, belonging to the technical field of filter bag type dust collectors. Background Art

[0002] A bag-type high-temperature dust collector is a type of dust removal equipment used to treat high-temperature flue gas (usually above 120°C). It is widely used in industries such as electricity, metallurgy, chemicals, and building materials. The filter bag material must be resistant to high temperatures (such as glass fiber, P84, PTFE, etc.), and some materials can withstand temperatures above 260°C for long periods of time. It has high-efficiency filtration: the capture efficiency of fine particulate matter (such as PM2.5) can reach over 99.9%. It usually consists of a housing, filter bags, a cleaning system (pulse jet / backflush), and an ash hopper. To accommodate the thermal expansion of high-temperature flue gas, particulate matter is trapped on the filter bag surface when the hot flue gas passes through the filter bag, and the purified gas is discharged through the filter material. Pulse jets or mechanical vibrations are used to remove dust accumulated in the filter bag to maintain a stable system resistance.

[0003] The filter bag type high temperature dust collector is a device that uses high temperature resistant filter bags to purify flue gas. After long-term use, the dust filtered by the filter bag becomes saturated, which will affect the purification effect. The filter bag is in a high pressure state for a long time, which affects its service life. Most of the existing methods use pulsed reverse blowing for cleaning operations, but there may be problems with poor blowing effects, which cannot effectively remove dust and reduce the subsequent purification effect. In addition, the cleaning method is single, which leads to a reduction in the cleaning effect of the filter bag. Summary of the Invention

[0004] In order to solve the above-mentioned technical problems, the present invention provides a cleaning mechanism for a bag filter type high-temperature dust collector.

[0005] The present invention solves the above technical problems through the following technical solutions:

[0006] The present invention provides a cleaning mechanism for a bag-type high-temperature dust collector, the cleaning mechanism for a bag-type high-temperature dust collector comprising:

[0007] The machine body has an upper partition and a lower partition fixedly installed inside the machine body, and a plurality of evenly distributed filter bags are fixedly installed on the surface of the lower partition. The top of the filter bag is connected to a connecting rod, and the top of the connecting rod is fixedly connected to a connecting plate. The connecting plate is slidably connected to the inside of the sleeve plate, and the sleeve plate is fixedly installed to the inside of the top of the machine body;

[0008] The inner wall of the machine body is rotatably connected to a plurality of rotating rods, and every two rotating rods are cross-distributed. The middle parts of every two rotating rods are connected to each other and to the inner wall of the machine body, and each rotating rod is connected to the adjacent rotating rod through a driven rod. The opposite ends of the rotating rods are respectively fixedly connected to the two ends of the cross rod, and the cross rod is in contact with the surface of the filter bag.

[0009] In this technical solution, the bottom and top outer walls of the body are respectively connected to the air inlet pipe and the air outlet pipe, and the air inlet pipe and the air outlet pipe are respectively located on both sides of the body.

[0010] In the present technical solution, a support leg is fixedly installed at the bottom of the machine body, and a slag discharge hopper is fixedly installed at the bottom of the machine body. The slag discharge hopper is correspondingly arranged below the filter bag.

[0011] In this technical solution, the lower partition is provided with a plurality of through holes connected to the filter bags, and the middle portion of the upper partition is provided with a plurality of openings for guiding high-temperature flue gas.

[0012] In this technical solution, the top of the filter bag is connected to the connecting rod via a connecting block, and the connecting rod is arranged on both sides and the middle of the filter bag.

[0013] In this technical solution, the connecting rods are connected through the interior of the upper partition plate, and the connecting rods are evenly arranged at the bottom of the connecting plate.

[0014] In this technical solution, an electric push rod is fixedly installed on the top of the body, and the telescopic end of the electric push rod is fixedly connected to the connecting plate. The cross-section of the connecting plate is a U-shaped structure and is sealed to the inner wall of the sleeve plate.

[0015] In this technical solution, a pulser is fixedly installed on the side wall of the machine body, the pulser is connected to the pulse tube, the pulse tube is fixedly installed above the upper partition, the pulse tube is fixedly connected to several evenly distributed nozzles, and the nozzles are located inside the opening opened in the upper partition.

[0016] In this technical solution, a motor is fixedly installed on the outer wall of the body, the output end of the motor is fixedly connected to the turntable, the turntable is rotatably connected to the inner wall of the body, and the edge of the turntable is connected to the end of the rotating rod through a connecting rod.

[0017] In this technical solution, there are several cross bars, and the several cross bars are evenly arranged between the filter bags.

[0018] On the basis of conforming to the common sense in this field, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present invention.

[0019] The positive progress effect of the present invention is:

[0020] The above-mentioned cleaning mechanism for the bag-type high-temperature dust collector circulates high-temperature flue gas inside the machine body, and the filter bag filters the dust in the flue gas. When cleaning is required, the filter bag is cleaned by a pulsed back-blow operation. During the cleaning process, the back-and-forth swing of the rotating rod drives the cross bar to touch the filter bag, realizing the surface beating operation, so that the attached dust is effectively removed through back-blow and vibration, ensuring the cleaning effect of the filter bag surface. At the same time, the connecting rod is used to control the tension of the filter bag, which can be adjusted according to the needs of use. The tension of the filter bag surface can be controlled to cooperate with the beating vibration during cleaning, which can further improve the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the half-section structure of the present invention.

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating rod of the present invention.

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the filter bag of the present invention.

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the driven rod of the present invention.

[0026] Figure 6 It is a schematic diagram of the local three-dimensional structure of the sleeve plate of the present invention.

[0027] Description of Reference Numerals

[0028] 1. Machine body; 2. Support legs; 3. Upper partition; 4. Lower partition; 5. Filter bag; 6. Inlet pipe; 7. Outlet pipe; 8. Slag hopper; 9. Connecting block; 10. Connecting rod; 11. Connecting plate; 12. Electric push rod; 13. Sleeve plate; 14. Pulser; 15. Pulse tube; 16. Nozzle; 17. Motor; 18. Turntable; 19. Connecting rod; 20. Rotating rod; 21. Cross bar; 22. Driven rod. DETAILED DESCRIPTION

[0029] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0030] like Figure 1-6 As shown, the cleaning mechanism for the bag filter type high temperature dust collector includes:

[0031] The machine body 1 has an upper partition 3 and a lower partition 4 fixedly installed inside the machine body 1, and a plurality of evenly distributed filter bags 5 are fixedly installed on the surface of the lower partition 4, and the top of the filter bag 5 is connected to a connecting rod 10, and the top of the connecting rod 10 is fixedly connected to a connecting plate 11, and the connecting plate 11 is slidably connected to the inside of the sleeve plate 13, and the sleeve plate 13 is fixedly installed to the inside of the top of the machine body 1.

[0032] In this technical solution, a lower partition 4 is provided for installing the filter bag 5 so that the smoke at the bottom of the lower partition 4 can all enter the interior of the filter bag 5, and the filter bag 5 is pulled by the connecting rod 10 to achieve smooth circulation of the smoke.

[0033] The inner wall of the body 1 is rotatably connected to a plurality of rotating rods 20, and every two rotating rods 20 are cross-distributed. The middle parts of every two rotating rods 20 are connected to each other and to the inner wall of the body 1, and each rotating rod 20 is connected to the adjacent rotating rod 20 through a driven rod 22. The ends of the opposite rotating rods 20 are respectively fixedly connected to the two ends of the cross bar 21, and the cross bar 21 is in contact with the surface of the filter bag 5.

[0034] In this technical solution, the rotating rod 20 can rotate around its center, so that when the rotating rod 20 drives the cross bar 21 to rotate, the cross bar 21 beats the surface of the filter bag 5 to remove dust. During the rotation of the rotating rod 20, transmission is achieved through the driven rod 22, thereby achieving simultaneous rotation of multiple cross bars 21.

[0035] The bottom and top outer walls of the body 1 are respectively connected with the air inlet pipe 6 and the air outlet pipe 7, and the air inlet pipe 6 and the air outlet pipe 7 are respectively located on both sides of the body 1; the bottom of the body 1 is fixedly installed with a support leg 2, and the bottom of the body 1 is fixedly installed with a slag discharge bucket 8, and the slag discharge bucket 8 is correspondingly arranged below the filter bag 5.

[0036] In this technical solution, when the dust collector is in use, high-temperature flue gas enters through the air inlet pipe 6. After the large particles of impurities are settled under the lower partition 4, the flue gas enters the filter bag 5. The clean air overflows the filter bag 5 and is discharged from the air outlet pipe 7. The settled impurities enter the slag discharge hopper 8 for subsequent removal. The body 1 is stably supported by the support legs 2.

[0037] The lower partition 4 is provided with a plurality of through holes connected to the filter bag 5, and the middle part of the upper partition 3 is provided with a plurality of openings for diverting high-temperature flue gas; the top of the filter bag 5 is connected to the connecting rod 10 through the connecting block 9, and the connecting rod 10 is arranged on both sides and the middle part of the filter bag 5; the connecting rod 10 is connected to the inside of the upper partition 3, and the connecting rod 10 is evenly arranged at the bottom of the connecting plate 11.

[0038] In this technical solution, when the smoke circulates, the smoke enters the filter bag 5 through the through hole at the bottom of the lower partition 4, and the exhausted clean air circulates from the opening of the upper partition 3, so that the gas is discharged from the outlet pipe 7. The connecting rod 10 is arranged inside the upper partition 3 and does not affect the movement of the connecting rod 10.

[0039] An electric push rod 12 is fixedly installed on the top of the body 1, and the telescopic end of the electric push rod 12 is fixedly connected to the connecting plate 11. The cross-section of the connecting plate 11 is a U-shaped structure and is sealed to the inner wall of the sleeve plate 13; a pulser 14 is fixedly installed on the side wall of the body 1, and the pulser 14 is connected to the pulse tube 15. The pulse tube 15 is fixedly installed above the upper partition 3, and the pulse tube 15 is fixedly connected to a number of evenly distributed nozzles 16, and the nozzles 16 are located inside the opening opened in the upper partition 3.

[0040] In this technical solution, when the electric push rod 12 is extended and retracted, it drives the connecting plate 11 to move inside the sleeve plate 13. When the connecting plate 11 drives multiple connecting rods 10 to move, the connecting block 9 at the bottom end of the connecting rod 10 pulls the filter bag 5. When cleaning, the filter bag 5 is tightened by shortening the electric push rod 12, and the smoke and dust cleaning is achieved by cooperating with the beating of the cross bar 21 and the reverse blowing operation.

[0041] A motor 17 is fixedly mounted on the outer wall of the body 1, and the output end of the motor 17 is fixedly connected to a turntable 18, the turntable 18 is rotatably connected to the inner wall of the body 1, and the edge of the turntable 18 is connected to the end of the rotating rod 20 through a connecting rod 19; the number of the cross bars 21 is several, and the several cross bars 21 are evenly arranged between the filter bags 5.

[0042] In this technical solution, when the motor 17 is working, it drives the turntable 18 to rotate. During the process of the turntable 18 driving the connecting rod 19 to rotate, the rotating rod 20 is pulled to swing continuously around its middle part, and cooperates with the driven rod 22 to realize the synchronous rotation of multiple rotating rods 20, so that multiple cross bars 21 beat the surface of the filter bag 5 in turn to achieve dust cleaning.

[0043] The present invention is not limited to the above-described embodiments. Any changes in shape or structure fall within the scope of protection of the present invention. The scope of protection of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention. Such changes and modifications shall fall within the scope of protection of the present invention.

Claims

1. A cleaning mechanism for a bag filter high temperature dust collector, characterized in that: The cleaning mechanism for the bag filter type high temperature dust collector comprises: A machine body (1), wherein an upper partition (3) and a lower partition (4) are fixedly installed inside the machine body (1), a plurality of evenly distributed filter bags (5) are fixedly installed on the surface of the lower partition (4), and the top of the filter bag (5) is connected to a connecting rod (10), and the top of the connecting rod (10) is fixedly connected to a connecting plate (11), and the connecting plate (11) is slidably connected to the inside of a sleeve plate (13), and the sleeve plate (13) is fixedly installed inside the top of the machine body (1); The inner wall of the body (1) is rotatably connected to a plurality of rotating rods (20), and every two rotating rods (20) are cross-distributed. The middle parts of every two rotating rods (20) are connected to each other and to the inner wall of the body (1), and each rotating rod (20) is connected to the adjacent rotating rod (20) through a driven rod (22). The opposite ends of the rotating rods (20) are fixedly connected to the two ends of a cross bar (21), and the cross bar (21) is in contact with the surface of the filter bag (5).

2. The cleaning mechanism for a bag filter high-temperature dust collector according to claim 1, characterized in that: The bottom and top outer walls of the machine body (1) are respectively connected to the air inlet pipe (6) and the air outlet pipe (7), and the air inlet pipe (6) and the air outlet pipe (7) are respectively located on both sides of the machine body (1).

3. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: The bottom of the machine body (1) is fixedly mounted with a support leg (2), and the bottom of the machine body (1) is fixedly mounted with a slag discharge hopper (8), and the slag discharge hopper (8) is correspondingly arranged below the filter bag (5).

4. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: The lower partition (4) is provided with a plurality of through holes communicating with the filter bags (5), and the middle portion of the upper partition (3) is provided with a plurality of openings for guiding high-temperature flue gas.

5. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: The top of the filter bag (5) is connected to a connecting rod (10) via a connecting block (9), and the connecting rod (10) is arranged on both sides and the middle of the filter bag (5).

6. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 5, characterized in that: The connecting rod (10) is connected to the interior of the upper partition (3) through-and-through, and the connecting rod (10) is evenly arranged at the bottom of the connecting plate (11).

7. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: An electric push rod (12) is fixedly mounted on the top of the machine body (1), and the telescopic end of the electric push rod (12) is fixedly connected to the connecting plate (11). The connecting plate (11) has a U-shaped cross section and is sealed to the inner wall of the sleeve plate (13).

8. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: A pulser (14) is fixedly mounted on the side wall of the machine body (1), the pulser (14) is connected to a pulse tube (15), the pulse tube (15) is fixedly mounted above the upper partition (3), the pulse tube (15) is fixedly connected to a plurality of evenly distributed nozzles (16), and the nozzles (16) are located inside openings opened in the upper partition (3).

9. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: A motor (17) is fixedly mounted on the outer wall of the machine body (1); an output end of the motor (17) is fixedly connected to a turntable (18); the turntable (18) is rotatably connected to the inner wall of the machine body (1); and an edge of the turntable (18) is connected to an end of a rotating rod (20) via a connecting rod (19).

10. The cleaning mechanism for a bag filter type high temperature dust collector according to claim 1, characterized in that: There are a plurality of cross bars (21), and the cross bars (21) are evenly arranged between the filter bags (5).

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