Ultralow discharge device for kiln tail flue gas of rotary kiln

Abstract

The utility model relates to the technical field of environmental protection and dust removal, in particular to a rotary kiln tail flue gas ultra-low emission device which comprises a filter cartridge, a gas inlet pipe is fixedly communicated with the outer side wall of the filter cartridge, four supporting legs are fixedly connected to the bottom of the filter cartridge, a center rod is fixedly connected to the inner side wall of the filter cartridge, and a gas outlet pipe is fixedly connected to the center rod. Two first connecting rods are fixedly connected to the outer side wall of the center rod, supporting cylinders are fixedly connected to the ends, away from the center rod, of the two first connecting rods, through holes are formed in the outer side walls of the supporting cylinders, and two second connecting rods are fixedly connected to the outer side wall of the center rod; the ends, away from the center rod, of the two second connecting rods are fixedly connected with fixing rings, and the outer side walls of the two fixing rings are rotationally sleeved with annular plates. According to the technical scheme, the problems that in the prior art, particle impurities adhere to the surface of the filter bag, so that the effective filtering area of the filter bag is reduced, the overall air permeability of the filter bag is reduced, and the overall filtering efficiency of the filter bag is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection dust removal technical field, concretely is a kind of rotary kiln kiln tail flue gas ultra-low emission device. BACKGROUND

[0002] Rotary kiln, also known as rotary calcining kiln or rotary kiln, is an important thermal equipment of building material equipment, and in rotary kiln kiln tail, filter bag is usually used to intercept particulate matter in flue gas on filter bag surface, significantly reduce the dust emission of waste gas, thereby reduce the pollution of dust to environment, which has important significance to meet the increasingly stringent environmental requirements.

[0003] At present, in the process of filtering flue gas using filter bag, excessive particulate impurities adhere to the surface of filter bag, which reduces the effective filtration area of filter bag, thereby reducing the overall air permeability of filter bag, and further affecting the overall filtration efficiency of filter bag. Therefore, the utility model provides a rotary kiln kiln tail flue gas ultra-low emission device. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of rotary kiln kiln tail flue gas ultra-low emission device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of rotary kiln kiln tail flue gas ultra-low emission device, including filter cartridge, the outer side wall of the filter cartridge is fixedly connected with inlet pipe, the bottom of the filter cartridge is fixedly connected with four support legs, the inner side wall of the filter cartridge is fixedly connected with center rod, the outer side wall of the center rod is fixedly connected with two groups of first connecting rod, the outer side wall of the strut of the first connecting rod away from center rod is fixedly connected with two groups, the outer side wall of the strut is provided with through hole, the outer side wall of the center rod is fixedly connected with two groups of second connecting rod, the outer side wall of the second connecting rod away from center rod is fixedly connected with two groups of fixed ring, the outer side wall of two fixed rings is rotatably sleeved with ring plate, filter bag is fixedly connected between two ring plates, the filter bag is sleeved on the outer side wall of strut, the opposite two side walls in the filter cartridge are rotatably connected with driving rod, and the inside of the filter cartridge is provided with driven rod.

[0006] Preferably, the top of the filter cartridge is fixedly connected with motor, and the output end of the motor penetrates the side wall of the filter cartridge and is fixedly connected with the driving rod.

[0007] Preferably, the outer side wall of the driving rod is fixedly connected with two driving toothed discs, the two ends of the driven rod are fixedly connected with driven toothed disc, the outer side wall of two ring plates is fixedly connected with transmission gear ring, and two driving toothed discs and two driven toothed discs are meshingly connected with transmission gear ring.

[0008] Preferably, the top and bottom of the filter cartridge are provided with sliding grooves, sliding rods are slidably connected in the sliding grooves, and the sliding rods are fixedly connected with the beaters.

[0009] Preferably, eccentric blocks are fixedly connected to the sides of the two driving tooth plates away from each other, and transmission rods are rotatably connected between the eccentric blocks and the sliding rods.

[0010] Preferably, mounting blocks are fixedly connected to the inner side walls of the filter cartridge, and the driving rods are rotatably connected to the filter cartridge through the mounting blocks.

[0011] Preferably, the top of the filter cartridge is provided with a plurality of exhaust holes.

[0012] The rotary kiln tail gas ultra-low emission device has the following beneficial effects:

[0013] The motor drives the driving rod to rotate, the driving rod drives the driving tooth plate to rotate, the driving tooth plate drives the transmission gear ring to rotate, the transmission gear ring drives the ring plate to rotate, the ring plate drives the filter bag to rotate outside the supporting cylinder, the transmission gear ring drives the driven tooth plate to rotate, the driven tooth plate drives the eccentric block to rotate, the eccentric block drives the sliding rod to slide along the sliding groove through the transmission rod, and the sliding rod drives the beater to move towards the opening of the supporting cylinder, so that the beater passes through the opening of the supporting cylinder to beat the filter bag outside the supporting cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the transmission gear ring in the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the supporting cylinder in the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the fixed ring in the utility model.

[0018] In the figure: 1, filter cartridge; 11, air inlet pipe; 12, supporting leg; 2, center rod; 21, first connecting rod; 22, supporting cylinder; 23, through hole; 24, second connecting rod; 25, fixed ring; 26, ring plate; 27, filter bag; 28, driving rod; 29, driven rod; 3, driving gear; 31, transmission gear ring; 32, driven gear; 4, sliding groove; 41, sliding rod; 42, clapper; 5, eccentric block; 51, transmission rod; 6, mounting block; 7, exhaust hole; 8, motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0020] Embodiment: please refer to Figures 1-4 The utility model provides a kind of technical scheme: a rotary kiln kiln tail flue gas ultra-low emission device, including filter cartridge 1, the outer side wall of filter cartridge 1 is fixedly connected with air inlet pipe 11, the bottom of filter cartridge 1 is fixedly connected with four supporting legs 12, the inner side wall of filter cartridge 1 is fixedly connected with center rod 2, the outer side wall of center rod 2 is fixedly connected with two groups of first connecting rod 21, the end of two groups of first connecting rod 21 away from center rod 2 is fixedly connected with supporting cylinder 22, through hole 23 is formed on the outer side wall of supporting cylinder 22, the outer side wall of center rod 2 is fixedly connected with two groups of second connecting rod 24, the end of two groups of second connecting rod 24 away from center rod 2 is fixedly connected with fixed ring 25, the outer side wall of two fixed rings 25 is rotatably connected with ring plate 26, filter bag 27 is fixedly connected between two ring plates 26, filter bag 27 is sleeved on the outer side wall of supporting cylinder 22, driving rod 28 is rotatably connected on the opposite two side walls in the inside of filter cartridge 1, the inside of filter cartridge 1 is provided with driven rod 29.

[0021] The top of filter cartridge 1 is fixedly connected with motor 8, the output end of motor 8 penetrates the side wall of filter cartridge 1 and is fixedly connected with driving rod 28, by being provided with motor 8, motor 8 is started, so that motor 8 drives driving rod 28 to rotate in the inside of filter cartridge 1 by output end.

[0022] The outer side wall of driving rod 28 is fixedly connected with two driving gears 3, the two ends of driven rod 29 are fixedly connected with driven gear 32, the outer side wall of two ring plates 26 is fixedly connected with transmission gear ring 31, two driving gears 3 and two driven gears 32 are all meshingly connected with transmission gear ring 31, by being provided with driving gear 3, in the process of driving rod 28 rotation, under the meshing effect of driving gear 3 and transmission gear ring 31, driving rod 28 drives transmission gear ring 31 and ring plate 26 to rotate by driving gear 3, under the meshing effect of driven gear 32 and transmission gear ring 31, ring plate 26 drives driven gear 32 and driven rod 29 to rotate by transmission gear ring 31.

[0023] The top and bottom of the filter cartridge 1 are provided with sliding grooves 4, the inner sides of the two sliding grooves 4 are slidably connected with sliding rods 41, and the two sliding rods 41 are fixedly connected with a beating plate 42. The sliding grooves 4 are arranged to limit the sliding rods 41 and the beating plate 42, so that the sliding rods 41 and the beating plate 42 reciprocate along the sliding grooves 4, and the beating plate 42 beats the filter bag 27 outside the supporting cylinder 22 multiple times.

[0024] The two eccentric blocks 5 are fixedly connected with the sides away from the driven tooth plates 32, and transmission rods 51 are rotatably connected between the two eccentric blocks 5 and the sliding rods 41. The transmission rods 51 are arranged to drive the two eccentric blocks 5 to rotate when the driven tooth plates 32 rotate, so that the two eccentric blocks 5 drive the two sliding rods 41 and the beating plate 42 to reciprocate through the transmission rods 51.

[0025] The inner side wall of the filter cartridge 1 is fixedly connected with a mounting block 6, and the driven rod 29 is rotatably connected with the filter cartridge 1 through the mounting block 6. The mounting block 6 is arranged to support and limit the driven rod 29, thereby improving the stability of the driven rod 29.

[0026] The top of the filter cartridge 1 is provided with a plurality of exhaust holes 7. The exhaust holes 7 are arranged to allow the filtered flue gas to be discharged out of the inside of the filter cartridge 1, so as to avoid the accumulation of flue gas in the inside of the filter cartridge 1 and maintain the dynamic balance of the internal pressure of the filter cartridge 1.

[0027] Working principle: by starting motor 8, motor 8 is rotated in the inside of filter cartridge 1 by output end and drives driving rod 28, driving rod 28 drives driving tooth disc 3 outside rotation, under the meshing of driving tooth disc 3 and transmission gear 31, two driving tooth discs 3 drive two transmission gears 31 rotation, two transmission gears 31 drive two ring plates 26 rotation outside fixed ring 25, two ring plates 26 drive filter bag 27 rotation outside support cylinder 22, under the meshing of transmission gear 31 and driven tooth disc 32, two transmission gears 31 drive two driven tooth discs 32 rotation, two driven tooth discs 32 drive eccentric block 5 outside rotation, under the limiting of sliding groove 4, two eccentric blocks 5 drive two sliding rods 41 along sliding groove 4 through transmission rod 51, two sliding rods 41 drive beating plate 42 along sliding groove 4 to the opening of support cylinder 22 movement, so that beating plate 42 passes through the opening of support cylinder 22 and beats filter bag 27 outside support cylinder 22, two driven tooth discs 32 continue to drive two eccentric blocks 5 rotation, two eccentric blocks 5 drive two sliding rods 41 along sliding groove 4 through transmission rod 51, two sliding rods 41 drive beating plate 42 along sliding groove 4 to center rod 2 movement, so that two sliding rods 41 drive beating plate 42 reciprocating motion along sliding groove 4, beating plate 42 continuously beats one side of filter bag 27 outside support cylinder 22, under the rotation of filter bag 27, so that beating plate 42 beats whole filter bag 27, so that the particles adhered to the surface of filter bag 27 are separated from filter bag 27, prevent the effective filtering area of filter bag 27 from becoming small, thereby improve the air permeability of filter bag 27, further improve the filtering efficiency of filter bag 27.

[0028] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be substantially changed without departing from the spirit and the scope of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A rotary kiln tail gas ultra-low emission device, comprising a filter cartridge (1), characterized in that, The outer side wall of the filter cartridge (1) is fixedly connected with an air inlet pipe (11), the bottom of the filter cartridge (1) is fixedly connected with four supporting legs (12), the inner side wall of the filter cartridge (1) is fixedly connected with a center rod (2), the outer side wall of the center rod (2) is fixedly connected with two groups of first connecting rods (21), the ends of the two groups of first connecting rods (21) away from the center rod (2) are fixedly connected with supporting barrels (22), the outer side wall of the supporting barrel (22) is provided with a through hole (23), the outer side wall of the center rod (2) is fixedly connected with two groups of second connecting rods (24), the ends of the two groups of second connecting rods (24) away from the center rod (2) are fixedly connected with fixing rings (25), the outer side walls of the two fixing rings (25) are rotatably sleeved with ring plates (26), the two ring plates (26) are fixedly connected with a filter bag (27), the filter bag (27) is sleeved on the outer side wall of the supporting barrel (22), the opposite inner side walls of the filter cartridge (1) are rotatably connected with driving rods (28), and the inside of the filter cartridge (1) is provided with a driven rod (29).

2. A device for ultra-low emission of flue gas at the kiln tail of a rotary kiln according to claim 1, characterized in that, The top of the filter cartridge (1) is fixedly connected with a motor (8), and the output end of the motor (8) penetrates through the side wall of the filter cartridge (1) and is fixedly connected with the driving rod (28).

3. A device for ultra-low emission of flue gas at the kiln tail of a rotary kiln according to claim 1, characterized in that, The outer side wall of the driving rod (28) is fixedly connected with two driving tooth discs (3), the two ends of the driven rod (29) are fixedly connected with driven tooth discs (32), the outer side walls of the two ring plates (26) are fixedly connected with transmission gear rings (31), and the two driving tooth discs (3) and the two driven tooth discs (32) are in meshing connection with the transmission gear ring (31).

4. A device for ultra-low emission of flue gas at the kiln tail of a rotary kiln according to claim 1, characterized in that, The top and bottom of the filter cartridge (1) are provided with sliding grooves (4), the inner sides of the two sliding grooves (4) are slidably connected with sliding rods (41), and the two sliding rods (41) are fixedly connected with a beating plate (42).

5. A device for ultra-low emission of flue gas at the kiln tail of a rotary kiln according to claim 3, characterized in that, The sides away from each other of the two driven tooth discs (32) are fixedly connected with eccentric blocks (5), and the transmission rods (51) are rotatably connected between the two eccentric blocks (5) and the sliding rods (41).

6. A device for ultra-low emission of flue gas at the kiln tail of a rotary kiln according to claim 1, characterized in that, The inner side wall of the filter cartridge (1) is fixedly connected with a mounting block (6), and the driven rod (29) is rotatably connected with the filter cartridge (1) through the mounting block (6).

7. A device for ultra-low emission of flue gas at the kiln tail of a rotary kiln according to claim 1, characterized in that, The top of the filter cartridge (1) is provided with a plurality of air exhaust holes (7).

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