Sintering machine capable of cleaning flue

Abstract

The invention relates to the technical field of sintering machine flue cleaning, and discloses a sintering machine capable of cleaning a flue, the sintering machine comprises a smoke pipe, the interior of the smoke pipe is fixedly connected with grilles which are transversely distributed at equal intervals, and the outer sides of the grilles are provided with cleaning mechanisms; the left side and the right side of the smoke pipe are each provided with a lifting mechanism in transmission connection with the cleaning mechanism, the top of the smoke pipe is provided with a transmission mechanism in transmission connection with the two lifting mechanisms, and the bottom of the smoke pipe is provided with a collecting mechanism communicating with the smoke pipe. The sintering machine capable of cleaning the flue has the advantages of being good in cleaning effect and the like, and solves the problems that in the combustion process, various sediments such as dust, tar and particulate matter are accumulated in the flue, the sediments can be possibly condensed and hardened on the grating, the flue is blocked, smooth emission of waste gas and the flue gas circulation capacity are affected, and the service life of the flue is prolonged. The efficiency of waste gas treatment equipment can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of flue cleaning of sintering machines, in particular to a sintering machine capable of cleaning flue. Background Art

[0002] The sintering machine is suitable for the combustion boiler of the sintering operation of large-scale ferrous metallurgical sintering plants, and is mainly suitable for the sintering treatment of iron ore powder in large and medium-sized sintering plants.

[0003] The sintering machine is the main equipment in the exhaust sintering process. It can sinter concentrate powder and rich ore powder of different components and different particle sizes into blocks, and partially eliminate harmful impurities such as sulfur and phosphorus contained in the ore. The sintering machine flue is the channel for exhaust gas from the boiler, sintering machine or other combustion equipment to the atmosphere. It is usually used to discharge harmful impurity gases rich in sulfur, phosphorus and other impurities in the sintering machine. It is usually equipped with a grid for intercepting large foreign matter or slag, and a flue gas circulation device for eliminating harmful gases.

[0004] Since the sintering machine is a device used for metallurgical operations, the flue gas it discharges is not only rich in harmful impurity gases such as sulfur and phosphorus, but also mixed with a large amount of mineral powder, dust, tar and particulate matter. The solid impurities are easily hardened and adsorbed on the surface of the grid or interception net after deposition and cooling. These deposits after cooling may form agglomerates on the grid, reducing the exhaust volume of the grid, which may cause flue blockage, affect the smooth discharge of exhaust gas, and may reduce the efficiency of exhaust gas harmless recycling treatment equipment, and even cause blockage of the exhaust pipe, resulting in flue gas backflow. Therefore, a sintering machine that can clean the flue is proposed to solve the above-mentioned problems. Summary of the invention

[0005] 1. Technical issues to be solved

[0006] In view of the shortcomings of the prior art, the present invention provides a sintering machine that can clean the flue, which has the advantages of good cleaning effect, etc., and solves the problem that various deposits such as dust, tar and particulate matter will accumulate in the flue during the combustion process. These deposits may condense and harden on the grille, causing the flue to be blocked, affecting the smooth discharge of exhaust gas and the flue gas circulation capacity, and may reduce the efficiency of the exhaust gas treatment equipment.

[0007] (II) Technical solution

[0008] The technical solution of the present invention to solve the above technical problems is as follows: a sintering machine capable of cleaning a flue comprises a flue pipe, wherein the interior of the flue pipe is fixedly connected with grids distributed at equal distances in the transverse direction, a cleaning mechanism is arranged on the outer side of the grid, a lifting mechanism connected to the cleaning mechanism is arranged on both sides of the flue pipe, a transmission mechanism connected to the two lifting mechanisms is arranged on the top of the flue pipe, and a collecting mechanism connected to the flue pipe is arranged at the bottom of the flue pipe;

[0009] The bottom wall of the inner cavity of the smoke pipe is fixedly connected with two air guide plates respectively located at the front and rear sides of the grille;

[0010] The cleaning mechanism includes multiple shells, which are sleeved on the outside of the grille, and the inner sides of the multiple shells are fixedly connected with hard-bristle brushes, and the inner sides of the multiple shells are fixedly connected with soft-bristle brushes located below the hard-bristle brushes, and the same connecting rod is fixedly connected between two adjacent shells.

[0011] The beneficial effects of the present invention are as follows: the cleaning mechanism cleans and cools the compacted deposits on the surface of the flue grille, so that the flue always maintains good gas flowability, avoiding poor flue gas circulation due to flue blockage, or flue gas backflow caused by blockage of the flue. By maintaining a high gas flowability of the flue, the sintering machine consumes less energy in sintering ore, exhausting smoke and treating smoke, avoiding the high exhaust energy consumption caused by flue blockage.

[0012] The sintering machine capable of cleaning the flue has the advantage of good cleaning effect.

[0013] Based on the above technical solution, the present invention can also be improved as follows.

[0014] Furthermore, the smoke pipe is a square pipe, and the smoke pipe is a smoke exhaust pipe of a sintering machine. The bottom wall of the inner cavity of the smoke pipe is provided with a slag discharge groove connected to a collecting mechanism, and the slag discharge groove is located between two air guide plates.

[0015] The beneficial effect of adopting the above further solution is that the slag discharge trough is used to discharge the brushed-off fly ash waste.

[0016] Further, the lifting mechanism includes a shell, which is fixedly connected to the outside of the smoke pipe, and the inside of the shell is rotatably connected to a screw rod, and the top of the shell is fixedly connected to a cover plate that is rotatably connected to the screw rod and fixedly connected to the outside of the smoke pipe, and the outside of the screw rod is threadedly connected to a screw ring, and the side of the screw ring close to the smoke pipe is fixedly connected to a linkage rod, and the linkage rod is fixedly connected to the outside of the shell and slidably connected to the inside of the smoke pipe, and the outside of the linkage rod is fixedly connected to a limit block that is slidably connected to the inside of the linkage rod, and the outside of the linkage rod is fixedly connected to two ash baffles that are respectively located on the inside and outside of the smoke pipe.

[0017] The beneficial effect of adopting the above further solution is that the ash baffle is used to prevent part of the brushed fly ash from entering the chute.

[0018] Furthermore, the transmission mechanism includes two pulleys, the two pulleys are fixedly connected to the tops of the two screw rods respectively, the outer sides of the two pulleys are transmission-connected with the same belt, the tops of the two cover plates and the smoke pipes are fixedly connected with the same protective shell located on the outer sides of the two pulleys, and the top of the protective shell is fixedly connected with a first motor whose output end is fixedly connected to one of the pulleys.

[0019] The beneficial effect of adopting the above further solution is that the belt drive has a stable transmission and a long transmission distance, which is convenient for adapting to smoke pipes of different widths.

[0020] Furthermore, the collecting mechanism includes a collecting shell, which is fixedly connected to the bottom of the smoke pipe. The collecting shell is connected to the smoke pipe through a slag discharge groove. The inside of the collecting shell is rotatably connected to an auger. The right side of the collecting shell is fixedly connected to a second motor whose output end is fixedly connected to the auger. The left side of the auger is rotatably connected to a cross. A collection bag is sleeved on the outside of the collecting shell.

[0021] The beneficial effect of adopting the above further solution is that the collecting mechanism is used to collect the dust and smoke residue brushed off to avoid clogging the smoke pipe.

[0022] Furthermore, the collecting shell is arranged in a T-shape, a slag discharge hole connected to the collecting bag is opened at the bottom of the collecting shell, an annular groove is opened on the outside of the collecting shell, the collecting bag is sleeved on the outside of the annular groove, a clamp is arranged on the outside of the collecting bag, and the collecting bag is fixed to the annular groove through the clamp.

[0023] The beneficial effect of adopting the above further solution is that the collection bag is used to collect the dust and smoke residue that has been brushed off, so as to facilitate subsequent cleaning.

[0024] Furthermore, the air guide plates are arranged symmetrically front and back, and the air guide plates are arranged in a right-angled triangle.

[0025] The beneficial effect of adopting the above further solution is that the wind guide plate can easily guide the wind at the bottom layer of the smoke pipe obliquely upward to prevent it from directly entering the interior of the collection mechanism.

[0026] Furthermore, a slide groove matched with the linkage rod and the limit block is provided inside the smoke pipe, and the ash baffle is made of fire-resistant rubber.

[0027] The beneficial effect of adopting the above further solution is that the fire-resistant rubber has high heat resistance and also has a certain flexibility, which makes it easy for it to fit the inner wall of the smoke pipe.

[0028] Furthermore, the diameter of the limit block is larger than the diameter of the linkage rod, and the area of ​​the cover plate is larger than the top area of ​​the casing.

[0029] The beneficial effect of adopting the above further solution is that the limiting block has a diameter larger than that of the linkage rod, which facilitates the limiting of the left and right movement of the linkage rod, and at the same time, it can cooperate with the ash blocking plate to block the ash. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the structure of the present invention;

[0031] Figure 2 It is a front view of the connection structure between the collecting mechanism and the smoke pipe of the present invention;

[0032] Figure 3 It is a top view of the connection structure between the cleaning mechanism and the grille of the present invention;

[0033] Figure 4 It is a partial enlarged view of the connection structure between the cleaning mechanism and the grille of the present invention;

[0034] Figure 5 It is a partial enlarged view of the connection structure between the collecting mechanism and the smoke pipe of the present invention;

[0035] Figure 6 This is an enlarged view of the structure at location A of the present invention.

[0036] In the figure: 1. smoke pipe; 2. grille; 3. cleaning mechanism; 301. shell; 302. hard brush; 303. soft brush; 304. connecting rod; 4. lifting mechanism; 401. shell; 402. screw rod; 403. cover plate; 404. screw ring; 405. linkage rod; 406. limit block; 407. ash baffle; 5. transmission mechanism; 501. pulley; 502. belt; 503. protective shell; 504. first motor; 6. collecting mechanism; 601. collecting shell; 602. auger; 603. second motor; 604. cross; 605. collecting bag; 7. air guide plate; 8. slag discharge trough; 9. annular groove; 10. clamp; 11. slide groove. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the embodiment, Figure 1-4A sintering machine capable of cleaning a flue is provided, the invention comprising a flue pipe 1, the interior of the flue pipe 1 is fixedly connected with grilles 2 which are distributed at equal distances in the transverse direction, a cleaning mechanism 3 is arranged on the outer side of the grilles 2, the left and right sides of the flue pipe 1 are both provided with lifting mechanisms 4 which are transmission-connected to the cleaning mechanisms 3, the top of the flue pipe 1 is provided with a transmission mechanism 5 which is transmission-connected to the two lifting mechanisms 4, and the bottom of the flue pipe 1 is provided with a collecting mechanism 6 which is connected to the flue pipe 1;

[0039] The bottom wall of the inner cavity of the smoke pipe 1 is fixedly connected with two air guide plates 7 which are respectively located at the front and rear sides of the grille 2;

[0040] The cleaning mechanism 3 includes a plurality of shells 301, the shells 301 are sleeved on the outside of the grille 2, the inner sides of the plurality of shells 301 are fixedly connected with a bristle brush 302, the inner sides of the plurality of shells 301 are fixedly connected with a soft brush 303 located below the bristle brush 302, and the same connecting rod 304 is fixedly connected between two adjacent shells 301;

[0041] The smoke pipe 1 is a square pipe, and is a smoke exhaust pipe of a sintering machine. A slag discharge groove 8 connected to a collecting mechanism 6 is provided on the bottom wall of the inner cavity of the smoke pipe 1, and the slag discharge groove 8 is located between two air guide plates 7;

[0042] The slag discharge trough 8 is used to discharge the ash and waste residues that fall off the brush;

[0043] The lifting mechanism 4 includes a casing 401, which is fixedly connected to the outside of the smoke tube 1, and a screw rod 402 is rotatably connected inside the casing 401. A cover plate 403 rotatably connected to the screw rod 402 and fixedly connected to the outside of the smoke tube 1 is fixedly connected to the top of the casing 401, a screw ring 404 is threadedly connected to the outside of the screw rod 402, and a linkage rod 405 is fixedly connected to the side of the screw ring 404 close to the smoke tube 1, and the linkage rod 405 is fixedly connected to the outside of the shell 301 and slidably connected to the inside of the smoke tube 1, and a limit block 406 slidably connected to the inside of the linkage rod 405 is fixedly connected to the outside of the linkage rod 405, and two ash baffles 407 are fixedly connected to the outside of the linkage rod 405 and are respectively located on the inside and outside of the smoke tube 1;

[0044] The ash baffle 407 is used to prevent part of the brushed fly ash from entering the chute 11;

[0045] The transmission mechanism 5 includes two pulleys 501, the two pulleys 501 are fixedly connected to the tops of the two screw rods 402 respectively, the outer sides of the two pulleys 501 are connected to the same belt 502, the two cover plates 403 and the top of the smoke pipe 1 are fixedly connected to the same protective shell 503 located on the outer sides of the two pulleys 501, and the top of the protective shell 503 is fixedly connected to a first motor 504 whose output end is fixedly connected to one of the pulleys 501;

[0046] The belt drive has a stable transmission and a long transmission distance, which is convenient for adapting to smoke pipes of different widths1;

[0047] The collecting mechanism 6 comprises a collecting shell 601, which is fixedly connected to the bottom of the smoke pipe 1, and is communicated with the smoke pipe 1 through the slag discharge groove 8. The inside of the collecting shell 601 is rotatably connected to an auger 602, and the right side of the collecting shell 601 is fixedly connected to a second motor 603 whose output end is fixedly connected to the auger 602, and the left side of the auger 602 is rotatably connected to a cross 604, and the outer side of the collecting shell 601 is sleeved with a collecting bag 605;

[0048] The collecting mechanism 6 is used to collect the dust and smoke residues brushed off to avoid clogging the smoke pipe 1;

[0049] The collecting shell 601 is arranged in a T-shape, and a slag discharge hole connected to the collecting bag 605 is provided at the bottom of the collecting shell 601, and an annular groove 9 is provided on the outer side of the collecting shell 601, and the collecting bag 605 is sleeved on the outer side of the annular groove 9. A clamp 10 is provided on the outer side of the collecting bag 605, and the collecting bag 605 is fixed to the annular groove 9 through the clamp 10;

[0050] The collection bag 605 is used to collect the dust and smoke residues that fall off the brush, so as to facilitate subsequent cleaning;

[0051] The air guide plates 7 are arranged symmetrically front and back, and the air guide plates 7 are arranged in a right-angled triangle;

[0052] The wind guide plate 7 is convenient for guiding the wind at the bottom of the smoke pipe 1 obliquely upward to prevent it from directly entering the interior of the collecting mechanism 6;

[0053] The interior of the smoke pipe 1 is provided with a slide groove 11 adapted to the linkage rod 405 and the limit block 406, and the ash baffle 407 is made of fire-resistant rubber;

[0054] The fire-resistant rubber has high heat resistance and also has a certain flexibility, so that it can fit the inner wall of the smoke pipe 1;

[0055] The diameter of the limit block 406 is larger than the diameter of the linkage rod 405, and the area of ​​the cover plate 403 is larger than the top area of ​​the casing 401;

[0056] The limiting block 406 has a diameter greater than that of the linkage rod 405 so as to limit the linkage rod 405 to move left and right. At the same time, the limiting block 406 can cooperate with the ash blocking plate 407 to block the ash.

[0057] Working principle:

[0058] Step 1: When the smoke pipe 1 is exhausting smoke, the smoke is disturbed by the air guide plate 7 so that it will not be blown directly to the slag discharge groove 8. After a certain period of ash discharge, the first motor 504 is started. The first motor 504 drives the two screw rods 402 to rotate through the drive of the pulley 501 and the belt 502. When the two screw rods 402 rotate, the screw ring 404 connected with the outer thread is driven to rise and fall, thereby driving the shell 301 of the cleaning mechanism 3 to rise and fall through the screw ring 404. When the shell 301 rises and falls, all shells 301 are linked through the connecting rod 304;

[0059] Step 2: When the housing 301 moves up and down on the outside of the grille 2, the soft brush 303 brushes off the floating dust, and the hardened ash residue that cannot be brushed by the soft brush 303 is brushed off by the hard brush 302. When cleaning the dust on the outside of the grille 2, the dust blocking plate 407 and the limit block 406 cooperate with each other to prevent the flying dust from entering the chute 11;

[0060] Step 3: The brushed ash falls into the collection shell 601 through the slag discharge chute 8. At this time, the second motor 603 is started, and the second motor 603 drives the auger 602 to rotate. The accumulated ash is transported to one side of the collection shell 601 through the auger 602, so that it falls into the collection bag 605 through natural gravity for centralized collection.

[0061] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0062] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sintering machine capable of cleaning a flue, comprising a flue pipe (1), characterized in that: The interior of the smoke pipe (1) is fixedly connected to grilles (2) which are distributed at equal distances in the transverse direction; a cleaning mechanism (3) is arranged on the outside of the grilles (2); a lifting mechanism (4) which is transmission-connected to the cleaning mechanism (3) is arranged on both the left and right sides of the smoke pipe (1); a transmission mechanism (5) which is transmission-connected to the two lifting mechanisms (4) is arranged on the top of the smoke pipe (1); and a collecting mechanism (6) which is connected to the smoke pipe (1) is arranged at the bottom of the smoke pipe (1); The bottom wall of the inner cavity of the smoke pipe (1) is fixedly connected with two air guide plates (7) respectively located at the front and rear sides of the grille (2); The cleaning mechanism (3) comprises a plurality of shells (301), wherein the shells (301) are sleeved on the outside of the grille (2), the inner sides of the plurality of shells (301) are fixedly connected with a bristle brush (302), the inner sides of the plurality of shells (301) are fixedly connected with a soft brush (303) located below the bristle brush (302), and the same connecting rod (304) is fixedly connected between two adjacent shells (301).

2. A sintering machine capable of cleaning a flue according to claim 1, characterized in that: The smoke pipe (1) is a square pipe, and is a smoke exhaust pipe of a sintering machine. The bottom wall of the inner cavity of the smoke pipe (1) is provided with a slag discharge groove (8) connected to a collecting mechanism (6), and the slag discharge groove (8) is located between two air guide plates (7).

3. A sintering machine capable of cleaning a flue according to claim 1, characterized in that: The lifting mechanism (4) comprises a casing (401), wherein the casing (401) is fixedly connected to the outer side of the smoke pipe (1), a screw rod (402) is rotatably connected inside the casing (401), a cover plate (403) is fixedly connected to the top of the casing (401) and is rotatably connected to the screw rod (402) and fixedly connected to the outer side of the smoke pipe (1), a screw ring (404) is threadedly connected to the outer side of the screw rod (402), a linkage rod (405) is fixedly connected to the side of the screw ring (404) close to the smoke pipe (1), the linkage rod (405) is fixedly connected to the outer side of the shell (301) and is slidably connected to the inside of the smoke pipe (1), a limit block (406) is fixedly connected to the outer side of the linkage rod (405) and is slidably connected to the inside of the linkage rod (405), and two ash baffles (407) are fixedly connected to the outer side of the linkage rod (405) and are respectively located on the inner side and the outer side of the smoke pipe (1).

4. A sintering machine capable of cleaning a flue according to claim 3, characterized in that: The transmission mechanism (5) comprises two pulleys (501), the two pulleys (501) being fixedly connected to the tops of the two screw rods (402) respectively, the outer sides of the two pulleys (501) being transmission-connected with a same belt (502), the tops of the two cover plates (403) and the smoke pipe (1) being fixedly connected with a same protective shell (503) located on the outer sides of the two pulleys (501), and the top of the protective shell (503) being fixedly connected with a first motor (504) whose output end is fixedly connected to one of the pulleys (501).

5. The sintering machine capable of cleaning the flue according to claim 1, characterized in that: The collecting mechanism (6) comprises a collecting shell (601), wherein the collecting shell (601) is fixedly connected to the bottom of the smoke pipe (1), the collecting shell (601) is connected to the smoke pipe (1) via a slag discharge trough (8), an auger (602) is rotatably connected inside the collecting shell (601), a second motor (603) whose output end is fixedly connected to the auger (602) is fixedly connected to the right side of the collecting shell (601), a cross (604) is rotatably connected to the left side of the auger (602), and a collecting bag (605) is sleeved on the outside of the collecting shell (601).

6. A sintering machine capable of cleaning a flue according to claim 5, characterized in that: The collecting shell (601) is arranged in a T-shape, a slag discharge hole connected to the collecting bag (605) is provided at the bottom of the collecting shell (601), an annular groove (9) is provided on the outer side of the collecting shell (601), the collecting bag (605) is sleeved on the outer side of the annular groove (9), a clamp (10) is provided on the outer side of the collecting bag (605), and the collecting bag (605) is fixed to the annular groove (9) via the clamp (10).

7. The sintering machine capable of cleaning the flue according to claim 1, characterized in that: The wind guide plates (7) are arranged symmetrically front and back, and the wind guide plates (7) are arranged in a right-angled triangle.

8. The sintering machine capable of cleaning the flue according to claim 3, characterized in that: A sliding groove (11) adapted to the linkage rod (405) and the limit block (406) is provided inside the smoke pipe (1), and the ash baffle (407) is made of fire-resistant rubber.

9. The sintering machine capable of cleaning the flue according to claim 3, characterized in that: The diameter of the limit block (406) is greater than the diameter of the linkage rod (405), and the area of ​​the cover plate (403) is greater than the top area of ​​the casing (401).

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