Flue gas treatment device for sintering machine

Abstract

The invention relates to the technical field of sintering machines, and discloses a flue gas treatment device for a sintering machine, the flue gas treatment device comprises a flue gas treatment box, the left end of the flue gas treatment box is fixedly connected with a flue gas inlet assembly, the right end of the flue gas treatment box is fixedly connected with a flue gas outlet assembly, and the inner side of the flue gas treatment box is fixedly connected with a plurality of first partition plates; clamping boxes are fixedly connected to the left wall and the right wall of the inner side of the flue gas treatment box, clamping assemblies are arranged on the inner sides of the clamping boxes, a bottom plate is fixedly connected to the bottom ends of the clamping assemblies, a plurality of second partition plates are fixedly connected to the top end of the bottom plate, and the first partition plates and the second partition plates are distributed in a staggered mode; the top end of the flue gas treatment box is fixedly connected with a heating assembly, and the outer side of the flue gas treatment box is fixedly connected with a connecting assembly. The flue gas treatment device for the sintering machine has the advantages that heat in flue gas can be recycled, and the energy utilization rate is increased.

Description

Technical Field

[0001] The invention relates to the technical field of sintering machines, and in particular to a flue gas treatment device for a sintering machine. Background Art

[0002] Sintering machine is a kind of equipment used for sintering iron ore powder. It is mainly suitable for sintering operations in large-scale ferrous metallurgical sintering plants. It is the main equipment in the exhaust sintering process. It can sinter concentrate powder and rich ore powder of different compositions and particle sizes into blocks, and partially eliminate harmful impurities such as sulfur and phosphorus contained in the ore.

[0003] A sintering machine will generate a large amount of flue gas during use, and these flue gases are usually directly introduced into a desulfurization tower for desulfurization and denitrification operations to facilitate flue gas discharge. However, these flue gases usually contain a large amount of heat, and direct desulfurization and denitrification operations will waste the use of this heat and cause energy waste. Therefore, a flue gas treatment device for a sintering machine is proposed to solve the above-mentioned problems. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a flue gas treatment device for a sintering machine, which has the advantages of being able to recycle the heat in the flue gas and improving the utilization rate of energy. It solves the problem that a large amount of flue gas is generated during the use of the sintering machine. Usually, the flue gas is directly introduced into a desulfurization tower for desulfurization and denitrification operations to facilitate the discharge of the flue gas. However, the flue gas usually contains a large amount of heat, and directly performing desulfurization and denitrification operations will waste the use of the heat, resulting in a waste of energy.

[0006] (II) Technical solution

[0007] The technical solution of the present invention for solving the above-mentioned technical problems is as follows: A flue gas treatment device for a sintering machine comprises a flue gas treatment box, a smoke inlet assembly is fixedly connected to the left end of the flue gas treatment box, a smoke outlet assembly is fixedly connected to the right end of the flue gas treatment box, a plurality of first partitions are fixedly connected to the inner side of the flue gas treatment box, a clamping box is fixedly connected to the inner left and right walls of the flue gas treatment box, a clamping assembly is arranged on the inner side of the clamping box, a bottom end of the clamping assembly is fixedly connected to a bottom plate, a plurality of second partitions are fixedly connected to the top of the bottom plate, the first partitions and the second partitions are staggered, a heating assembly is fixedly connected to the top of the flue gas treatment box, and a connecting assembly is fixedly connected to the outer side of the flue gas treatment box.

[0008] The beneficial effects of the present invention are:

[0009] The flue gas treatment device for a sintering machine has the advantage of being able to recycle the heat in the flue gas and improve the utilization rate of energy.

[0010] Based on the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the top of the flue gas treatment box is movably connected with dried clothes, the top of the flue gas treatment box is adsorbed with an adsorption magnet located above the dried clothes, and the top of the adsorption magnet is fixedly connected with a pulling block.

[0012] The beneficial effect of adopting the above further solution is that the adsorption magnet can fix the position of the drying clothes at the top of the smoke treatment box.

[0013] Furthermore, there are multiple smoke inlet assemblies, and the multiple smoke inlet assemblies are distributed in an equidistant linear array on the left side of the flue gas treatment box, and the multiple first partitions are evenly distributed on the inner top wall of the flue gas treatment box.

[0014] The beneficial effect of adopting the above further solution is that the number of smoke inlet components is multiple, which can increase the speed of smoke entering the smoke treatment box.

[0015] Furthermore, the smoke inlet assembly includes a sintering machine waste gas inlet pipe fixedly connected to the left end of the smoke treatment box, the top of the sintering machine waste gas inlet pipe is fixedly connected to a sintering machine waste gas return pipe, and the inner side of the sintering machine waste gas return pipe is fixedly connected to a perforated baffle.

[0016] The beneficial effect of adopting the above further solution is that the smoke inlet assembly can allow the smoke of the sintering machine to enter the inner side of the smoke treatment box.

[0017] Furthermore, the smoke outlet assembly includes a waste gas outlet pipe fixedly connected to the right end of the smoke treatment box, and the number of the waste gas outlet pipes is multiple, and the other ends of the multiple waste gas outlet pipes are connected to the main pipe.

[0018] The beneficial effect of adopting the above further solution is that the smoke outlet component can guide the exhaust gas out of the smoke treatment box.

[0019] Furthermore, the clamping assembly includes a clamping block movably connected to the inner side of the clamping box, the bottom end of the clamping block is fixedly connected to the top of the bottom plate, the inner side of the clamping block is fixedly connected with a clamping spring, the outer side of the clamping spring is fixedly connected with a clamping plate, the outer side of the clamping plate is fixedly connected with a clamping rod extending to the outside of the clamping box, the outer side of the clamping plate is fixedly connected with a connecting rope, the other end of the connecting rope is fixedly connected with a main rope, the main rope extends to the bottom of the bottom plate, and the bottom end of the main rope is fixedly connected with a pull ring.

[0020] The beneficial effect of adopting the above further solution is that the snap-fit ​​assembly can limit the position of the bottom plate to the bottom end of the flue gas treatment box.

[0021] Furthermore, there are multiple clamping rods, the outer side of the clamping rod is fixedly connected with a first sealing gasket, the outer side of the first sealing gasket and the inner side of the clamping box are pressed against each other, the top of the bottom plate is fixedly connected with a second sealing gasket, the outer side of the second sealing gasket and the outer side of the flue gas treatment box are pressed against each other, the outer side of the clamping plate is fixedly connected with a limiting sleeve, the inner side of the clamping block is fixedly connected with the limiting rod, and the inner side of the limiting sleeve is slidably connected with the outer side of the limiting rod.

[0022] Furthermore, the heating assembly includes a heating table fixedly connected to the top of the flue gas treatment box, the bottom end of the heating table is fixedly connected to a heating plate fixed to the outside of the flue gas treatment box, and the front end of the flue gas treatment box is fixedly connected to a control panel.

[0023] The beneficial effect of adopting the above further solution is that the heating component can perform heating operation on the flue gas treatment box.

[0024] Furthermore, the connecting assembly includes a connecting rod fixedly connected to the outside of the flue gas treatment box, the outside of the connecting rod is fixedly connected with a connecting leg, the bottom end of the connecting leg is fixedly connected with a connecting block, the bottom end of the connecting block is fixedly connected with an anti-slip pad, and the number of the connecting blocks is multiple.

[0025] The beneficial effect of adopting the above further solution is that the connecting assembly can limit the position of the flue gas treatment box. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the present invention;

[0027] Figure 2 It is a half-section diagram of the structure of the present invention;

[0028] Figure 3 It is a top view of the structure of the present invention;

[0029] Figure 4 It is an enlarged view of point A in the figure of the present invention;

[0030] Figure 5 This is a diagram of connecting ropes and a main rope of the present invention;

[0031] Figure 6 This is a connection diagram of the clamping plate and the clamping rod of the present invention.

[0032] In the figure: 1. flue gas treatment box; 2. smoke inlet assembly; 21. sintering machine waste gas inlet pipe; 22. sintering machine waste gas return pipe; 23. baffle with holes; 3. smoke outlet assembly; 31. waste gas outlet pipe; 32. main pipe; 4. first partition; 5. snap-in box; 6. snap-in assembly; 61. snap-in block; 62. snap-in spring; 63. snap-in plate; 64. snap-in rod; 65. connecting rope; 66. main rope; 7. bottom plate; 8. second partition; 9. heating assembly; 91. heating table; 92. heating plate; 93. control panel; 10. connecting assembly; 101. connecting rod; 102. connecting leg; 103. connecting block; 11. drying clothes; 12. adsorption magnet; 13. pulling block; 14. limiting sleeve; 15. limiting rod. DETAILED DESCRIPTION

[0033] 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.

[0034] Embodiment 1, by Figure 1-4 A flue gas treatment device for a sintering machine is provided. The present invention comprises a flue gas treatment box 1. A smoke inlet assembly 2 is fixedly connected to the left end of the flue gas treatment box 1, a smoke outlet assembly 3 is fixedly connected to the right end of the flue gas treatment box 1, a plurality of first partitions 4 are fixedly connected to the inner side of the flue gas treatment box 1, a clamping box 5 is fixedly connected to the inner left and right walls of the flue gas treatment box 1, a clamping assembly 6 is arranged on the inner side of the clamping box 5, a bottom plate 7 is fixedly connected to the bottom end of the clamping assembly 6, a plurality of second partitions 8 are fixedly connected to the top of the bottom plate 7, the first partitions 4 and the second partitions 8 are staggeredly distributed, a heating assembly 9 is fixedly connected to the top of the flue gas treatment box 1, and a connecting assembly 10 is fixedly connected to the outer side of the flue gas treatment box 1.

[0035] The top of the flue gas treatment box 1 is movably connected with dried clothes 11, the top of the flue gas treatment box 1 is adsorbed with an adsorption magnet 12 located above the dried clothes 11, and the top of the adsorption magnet 12 is fixedly connected with a pulling block 13.

[0036] The adsorption magnet 12 can fix the position of the dried clothes 11 at the top of the flue gas treatment box 1, and then limit the position of the dried clothes 11 at the top of the flue gas treatment box 1, which can improve the drying effect of the dried clothes 11 and improve the preheating of the sintering machine flue gas.

[0037] There are multiple smoke inlet assemblies 2 , which are distributed in an equidistant linear array on the left side of the smoke treatment box 1 , and multiple first partitions 4 are evenly distributed on the inner top wall of the smoke treatment box 1 .

[0038] A plurality of smoke inlet components 2 can increase the speed at which smoke enters the smoke treatment box 1 .

[0039] Among them, the smoke inlet assembly 2 includes a sintering machine waste gas inlet pipe 21 fixedly connected to the left end of the smoke treatment box 1, the top of the sintering machine waste gas inlet pipe 21 is fixedly connected to the sintering machine waste gas return pipe 22, and the inner side of the sintering machine waste gas return pipe 22 is fixedly connected to a perforated baffle 23.

[0040] The sintering machine exhaust gas will enter the inner side of the flue gas treatment box 1 through the sintering machine exhaust gas inlet pipe 21. At the same time, some exhaust gas will flow back to the inner side of the flue gas treatment box 1 through the sintering machine exhaust gas return pipe 22, thereby improving the secondary utilization effect of the flue gas, improving the use effect of the sintering machine flue gas, and improving the waste heat utilization rate of the sintering machine flue gas.

[0041] The smoke outlet assembly 3 includes a waste gas outlet pipe 31 fixedly connected to the right end of the smoke treatment box 1 . There are multiple waste gas outlet pipes 31 , and the other ends of the multiple waste gas outlet pipes 31 are connected to the main pipe 32 .

[0042] The smoke outlet component 3 can guide the exhaust gas out of the smoke treatment box 1 .

[0043] Among them, the connecting component 10 includes a connecting rod 101 fixedly connected to the outside of the flue gas treatment box 1, a connecting leg 102 is fixedly connected to the outside of the connecting rod 101, a connecting block 103 is fixedly connected to the bottom end of the connecting leg 102, and an anti-slip pad is fixedly connected to the bottom end of the connecting block 103, and there are multiple connecting blocks 103.

[0044] The connecting component 10 can limit the position of the flue gas treatment box 1, making it convenient to fix the position of the flue gas treatment box 1.

[0045] Working principle:

[0046] The sintering machine exhaust gas is introduced into the inner side of the flue gas treatment box 1 through the sintering machine exhaust gas inlet pipe 21, and some exhaust gas will flow back to the inner side of the flue gas treatment box 1 through the sintering machine exhaust gas return pipe 22, and the exhaust gas entering the inner side of the flue gas treatment box 1 will be blocked by the first partition plate 4 and the second partition plate 8, thereby increasing the sintering machine exhaust gas staying inside the flue gas treatment box 1, and the heat of the sintering machine exhaust gas will heat the flue gas treatment box 1, and the dried clothes 11 can be dried at the top of the flue gas treatment box 1, thereby improving the waste heat utilization effect of the sintering machine exhaust gas, and the remaining exhaust gas will be discharged through the exhaust gas exhaust pipe 31.

[0047] Embodiment 2, by Figure 5-6 Given,

[0048] Among them, the clamping assembly 6 includes a clamping block 61 movably connected to the inner side of the clamping box 5, the bottom end of the clamping block 61 is fixedly connected to the top of the bottom plate 7, the inner side of the clamping block 61 is fixedly connected with a clamping spring 62, the outer side of the clamping spring 62 is fixedly connected with a clamping plate 63, the outer side of the clamping plate 63 is fixedly connected with a clamping rod 64 extending to the outside of the clamping box 5, the outer side of the clamping plate 63 is fixedly connected with a connecting rope 65, the other end of the connecting rope 65 is fixedly connected with a total rope 66, the total rope 66 extends to the bottom of the bottom plate 7, and the bottom end of the total rope 66 is fixedly connected with a pull ring.

[0049] The snap-on assembly 6 can limit the position of the bottom plate 7 to the bottom end of the flue gas treatment box 1 , and can also facilitate the disassembly and replacement of the bottom plate 7 and the cleaning of the inside of the flue gas treatment box 1 .

[0050] Among them, there are multiple clamping rods 64, the outer side of the clamping rod 64 is fixedly connected with a first sealing gasket, the outer side of the first sealing gasket and the inner side of the clamping box 5 are pressed against each other, the top of the bottom plate 7 is fixedly connected with a second sealing gasket, the outer side of the second sealing gasket and the outer side of the flue gas treatment box 1 are pressed against each other, the outer side of the clamping plate 63 is fixedly connected with a limiting sleeve 14, the inner side of the clamping block 61 is fixedly connected with a limiting rod 15, and the inner side of the limiting sleeve 14 is slidably connected with the outer side of the limiting rod 15.

[0051] Among them, the heating component 9 includes a heating table 91 fixedly connected to the top of the flue gas treatment box 1, the bottom end of the heating table 91 is fixedly connected to a heating plate 92 fixed to the outside of the flue gas treatment box 1, and the front end of the flue gas treatment box 1 is fixedly connected to a control panel 93.

[0052] The heating component 9 can heat the flue gas treatment box 1 .

[0053] Working principle:

[0054] Since the sintering machine flue gas contains a large amount of solid particles, the solid particles can be blocked by the first partition 4 and the second partition 8, and the solid particles in the sintering machine flue gas will remain on the inner side of the flue gas treatment box 1. By pulling the main rope 66, the clamping plate 63 can be moved forward and backward, and the clamping block 61 can be taken out from the inner side of the clamping box 5, and the bottom plate 7 can be removed, so that the inside of the flue gas treatment box 1 can be easily cleaned, thereby improving the subsequent use effect of the flue gas treatment box 1.

[0055] 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.

[0056] 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 flue gas treatment device for a sintering machine, comprising a flue gas treatment box (1), characterized in that: The left end of the flue gas treatment box (1) is fixedly connected to a smoke inlet assembly (2), the right end of the flue gas treatment box (1) is fixedly connected to a smoke outlet assembly (3), the inner side of the flue gas treatment box (1) is fixedly connected to a plurality of first partitions (4), the inner left and right walls of the flue gas treatment box (1) are fixedly connected to a snap-in box (5), the inner side of the snap-in box (5) is provided with a snap-in assembly (6), the bottom end of the snap-in assembly (6) is fixedly connected to a bottom plate (7), the top of the bottom plate (7) is fixedly connected to a plurality of second partitions (8), the first partitions (4) and the second partitions (8) are staggered, the top of the flue gas treatment box (1) is fixedly connected to a heating assembly (9), and the outer side of the flue gas treatment box (1) is fixedly connected to a connecting assembly (10).

2. A flue gas treatment device for a sintering machine according to claim 1, characterized in that: The top of the flue gas treatment box (1) is movably connected to the dried clothes (11), the top of the flue gas treatment box (1) is adsorbed with an adsorption magnet (12) located above the dried clothes (11), and the top of the adsorption magnet (12) is fixedly connected to a pulling block (13).

3. The fume treatment device for a sintering machine according to claim 1, characterized in that: The number of the smoke inlet components (2) is multiple, and the multiple smoke inlet components (2) are distributed in an equidistant linear array on the left side of the smoke treatment box (1), and the multiple first partitions (4) are evenly distributed on the inner top wall of the smoke treatment box (1).

4. The fume treatment device for a sintering machine according to claim 1, characterized in that: The smoke inlet assembly (2) comprises a sintering machine waste gas smoke inlet pipe (21) fixedly connected to the left end of the smoke treatment box (1), the top end of the sintering machine waste gas smoke inlet pipe (21) is fixedly connected to a sintering machine waste gas return pipe (22), and the inner side of the sintering machine waste gas return pipe (22) is fixedly connected to a baffle plate with holes (23).

5. The fume treatment device for a sintering machine according to claim 1, characterized in that: The smoke outlet assembly (3) comprises a waste gas smoke outlet pipe (31) fixedly connected to the right end of the smoke treatment box (1), and the waste gas smoke outlet pipes (31) are multiple in number, and the other ends of the multiple waste gas smoke outlet pipes (31) are all connected to the main pipe (32).

6. The fume treatment device for a sintering machine according to claim 1, characterized in that: The clamping assembly (6) comprises a clamping block (61) movably connected to the inner side of the clamping box (5); the bottom end of the clamping block (61) is fixedly connected to the top of the bottom plate (7); the inner side of the clamping block (61) is fixedly connected to a clamping spring (62); the outer side of the clamping spring (62) is fixedly connected to a clamping plate (63); the outer side of the clamping plate (63) is fixedly connected to a clamping rod (64) extending to the outside of the clamping box (5); the outer side of the clamping plate (63) is fixedly connected to a connecting rope (65); the other end of the connecting rope (65) is fixedly connected to a main rope (66); the main rope (66) extends to the bottom of the bottom plate (7); the bottom end of the main rope (66) is fixedly connected to a pull ring.

7. A flue gas treatment device for a sintering machine according to claim 6, characterized in that: The number of the clamping rods (64) is multiple, and the outer side of the clamping rod (64) is fixedly connected to a first sealing gasket, and the outer side of the first sealing gasket is pressed against the inner side of the clamping box (5), and the top of the bottom plate (7) is fixedly connected to a second sealing gasket, and the outer side of the second sealing gasket is pressed against the outer side of the flue gas treatment box (1), and the outer side of the clamping plate (63) is fixedly connected to a limiting sleeve (14), and the inner side of the clamping block (61) is fixedly connected to a limiting rod (15), and the inner side of the limiting sleeve (14) is slidably connected to the outer side of the limiting rod (15).

8. The fume treatment device for a sintering machine according to claim 1, characterized in that: The heating assembly (9) comprises a heating table (91) fixedly connected to the top of the flue gas treatment box (1), the bottom end of the heating table (91) is fixedly connected to a heating plate (92) fixed to the outside of the flue gas treatment box (1), and the front end of the flue gas treatment box (1) is fixedly connected to a control panel (93).

9. The fume treatment device for a sintering machine according to claim 1, characterized in that: The connection assembly (10) comprises a connection rod (101) fixedly connected to the outside of the flue gas treatment box (1), a connection leg (102) fixedly connected to the outside of the connection rod (101), a connection block (103) fixedly connected to the bottom end of the connection leg (102), an anti-slip pad fixedly connected to the bottom end of the connection block (103), and a plurality of connection blocks (103) are provided.

Images