Flue gas desulfurization and denitrification device of belt type sintering machine

Abstract

The utility model relates to the field of belt type sintering machines, discloses a flue gas desulfurization and denitrification device of a belt type sintering machine, and solves the problem that the existing flue gas desulfurization and denitrification device of the belt type sintering machine is poor in dust removal effect. Through the driving rod, the ball screws, the moving block and the cleaning brush block, the motor drives the driving rod at the output end to rotate, the driving rod drives the other set of driving rods to conduct transmission at the same time through the belt, the two sets of driving rods drive the ball screws at one end to rotate respectively, and the ball screws are in threaded connection with the moving block and the movable block. The moving block drives the cleaning brush at one end to reciprocate, and the cleaning brush cleans harmful substances attached to the surface of the filter screen, so that the filtering effect of the filter screen is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of belt sintering machines, in particular to a flue gas desulfurization and denitration device for a belt sintering machine. Background Art

[0002] With the development of society, various metallurgical operations are receiving more and more attention. Sintering machines are suitable for sintering operations in large-scale ferrous metallurgical sintering plants. They are the main equipment in the exhaust sintering process. The flue gas desulfurization and denitrification device of the belt sintering machine is a device used to remove particulate matter, smoke and nitrogen oxides in the flue gas of the sintering machine. The sulfur dioxide and nitrogen oxides generated by the belt sintering machine during operation are very polluting to the environment, so the desulfurization and denitrification of the flue gas of the sintering machine has become a top priority.

[0003] After searching, the existing Chinese patent CN214715596U, a sintering machine flue gas desulfurization and denitrification device, including a dust removal device and a desulfurization and denitrification mechanism arranged on one side of the dust removal device, characterized in that: the desulfurization and denitrification mechanism includes a base, a desulfurization device and a denitrification device, the desulfurization device is arranged on the upper surface of the base, the desulfurization device is arranged on one side of the desulfurization device, the desulfurization device includes a second air inlet pipe, a desulfurization component and a water injection component, and the top of the desulfurization component is provided with a water injection component; the dust particles in the flue gas are settled down by a cyclone separator, the dust-removed flue gas enters the desulfurization component through the smoke outlet pipe, the desulfurization liquid is sprayed out through the spray component to carry out a desulfurization reaction, the harmful substances in the flue gas are filtered by the filtering component, the flue gas enters the denitrification device through the third air inlet pipe, and denitrification is carried out by the denitrification liquid. The utility model improves the effect of desulfurization and denitrification and achieves a good purification effect.

[0004] During the operation of the current belt sintering machine flue gas desulfurization and denitrification device, the dust particles in the flue gas are settled down by the cyclone separator, the dust-removed flue gas enters the desulfurization component through the smoke outlet pipe, the desulfurization liquid is sprayed out through the spray component to carry out the desulfurization reaction, the harmful substances in the flue gas are filtered through the filter component, the flue gas enters the denitrification device through the air inlet pipe, and denitrification is carried out by the denitrification liquid. The dirt and harmful substances accumulated on the filter net will clog the filter net, thereby affecting the dust removal effect and equipment performance. Utility Model Content

[0005] The utility model aims to provide a flue gas desulfurization and denitration device for a belt-type sintering machine. The device is adopted to work, thereby solving the problem of poor dust removal effect of the existing flue gas desulfurization and denitration device for a belt-type sintering machine.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flue gas desulfurization and denitrification device for a belt sintering machine, comprising a dust removal box, a cyclone separator arranged inside the dust removal box, an air inlet pipe connected to one end of the dust removal box, a desulfurization box arranged at one end of the air inlet pipe, a filter arranged inside the desulfurization box, an air outlet pipe connected to one end of the desulfurization box, and a denitrification box arranged at one end of the air outlet pipe, wherein a cleaning structure is arranged inside the desulfurization box;

[0007] The cleaning structure includes a motor arranged at one end of the desulfurization box, a driving rod arranged at the output end of the motor, a ball screw arranged at one end of the driving rod, a moving block threadedly connected to the surface of the ball screw, and a cleaning brush arranged at one end of the moving block.

[0008] Furthermore, a fixing plate is provided at one end of the desulfurization box, and the fixing plate is connected to the motor.

[0009] Furthermore, one end of the ball screw is movably connected to the inner wall of the desulfurization box, and a movable block is threadedly connected to the surface of the ball screw.

[0010] Furthermore, two groups of the driving rods and ball screws are provided, two ends of one group of ball screws are movably connected to the inner wall of the desulfurization box, and the surfaces of the two groups of driving rods are provided with belt drives.

[0011] Furthermore, the length of the cleaning brush is equal to the width of the filter screen, and the bristles of the cleaning brush are in contact with the surface of the filter screen.

[0012] Furthermore, a dust suction structure is provided at one end of the desulfurization box, and the dust suction structure includes a support plate provided at one end of the desulfurization box.

[0013] Furthermore, a suction fan is arranged on the surface of the support plate, and a hose is connected to the surface of the suction fan. Two groups of hoses are symmetrically distributed about the suction fan, and the hoses pass through pipe grooves opened on the surface of the desulfurization box.

[0014] Furthermore, one end of the hose is connected to an air duct, the length of the air duct is the same as the width of the filter, the surface of the air duct is provided with wind heads, and multiple groups of wind heads are connected at equal intervals. The top surface of the air duct is provided with a connecting block, which is connected to the movable block.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] The utility model proposes a flue gas desulfurization and denitrification device for a belt sintering machine. The existing flue gas desulfurization and denitrification device for a belt sintering machine has poor dust removal effect. The utility model uses a driving rod, a ball screw, a moving block and a cleaning brush block. The driving rod at the output end is driven to rotate by a motor. The driving rod drives another group of driving rods to transmit at the same time through a belt. The two groups of driving rods respectively drive the ball screw at one end to rotate. The ball screw is threadedly connected to the moving block and the movable block. The moving block drives the cleaning brush at one end to move back and forth. The cleaning brush cleans harmful substances attached to the surface of the filter screen, thereby improving the filtering effect of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall front section structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the front cross-section structure of the filter box, filter screen, cleaning structure and dust suction structure of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the cleaning structure of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the dust collection structure of the utility model.

[0021] In the figure: 1. dust removal box; 2. cyclone separator; 3. air inlet pipe; 4. desulfurization box; 5. filter screen; 6. air outlet pipe; 7. desulfurization box; 8. cleaning structure; 81. fixing plate; 82. motor; 83. driving rod; 84. ball screw; 85. moving block; 86. cleaning brush; 87. belt; 88. movable block; 9. dust suction structure; 91. support plate; 92. suction fan; 93. hose; 94. air duct; 95. air head; 96. connecting block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0024] Combination Figure 1-Figure 3A flue gas desulfurization and denitrification device for a belt sintering machine includes a dust removal box 1, a cyclone separator 2 arranged inside the dust removal box 1, an air inlet pipe 3 connected to one end of the dust removal box 1, a desulfurization box 4 arranged at one end of the air inlet pipe 3, a filter 5 arranged inside the desulfurization box 4, an air outlet pipe 6 connected to one end of the desulfurization box 4, and a denitrification box 7 arranged at one end of the air outlet pipe 6. A cleaning structure 8 is arranged inside the desulfurization box 4.

[0025] The utility model is further described below in conjunction with embodiments.

[0026] Embodiment 1:

[0027] See also Figure 1-Figure 3 The cleaning structure 8 includes a motor 82 arranged at one end of the desulfurization box 4, a driving rod 83 arranged at the output end of the motor 82, a ball screw 84 arranged at one end of the driving rod 83, a moving block 85 threadedly connected to the surface of the ball screw 84, and a cleaning brush 86 arranged at one end of the moving block 85. A fixed plate 81 is arranged at one end of the desulfurization box 4, and the fixed plate 81 is connected to the motor 82. One end of the ball screw 84 is movably connected to the inner wall of the desulfurization box 4. A movable block 88 is threadedly connected to the surface of the ball screw 84. The driving rod 83 and the ball screw 84 are each provided with two groups. Both ends of one group of ball screws 84 are movably connected to the inner wall of the desulfurization box 4. The surfaces of the two groups of driving rods 83 are sleeved with belts 87 for transmission. The length of the cleaning brush 86 is equal to the width of the filter screen 5. The bristles of the cleaning brush 86 are in contact with the surface of the filter screen 5, thereby improving the cleanliness of the filter screen 5.

[0028] Specifically, the dust particles in the flue gas are settled down through the cyclone separator 2, and then the gas is introduced into the interior of the desulfurization box 4 through the air inlet pipe 3. The interior of the desulfurization box 4 is provided with a filter 5 to filter harmful substances. After long-term use, more impurities and harmful substances are attached to the surface of the filter 5. When it needs to be cleaned, the motor 82 on the fixed plate 81 is started through an external button. The motor 82 drives the driving rod 83 at the output end to rotate. The driving rod 83 drives another group of driving rods 83 to transmit simultaneously through the belt 87. The two groups of driving rods 83 each drive the ball screw 84 at one end to rotate. The ball screw 84 is threadedly connected to the moving block 85 and the movable block 88. The moving block 85 drives the cleaning brush 86 at one end to move back and forth. The cleaning brush 86 cleans the harmful substances attached to the surface of the filter 5 to improve the filtering effect of the filter 5.

[0029] Embodiment 2:

[0030] See also Figure 4A dust suction structure 9 is provided at one end of the desulfurization box 4, and the dust suction structure 9 includes a support plate 91 arranged at one end of the desulfurization box 4, and a suction fan 92 is provided on the surface of the support plate 91, and a hose 93 is connected to the surface of the suction fan 92. There are two groups of hoses 93 symmetrically distributed about the suction fan 92, and the hose 93 runs through the pipe groove opened on the surface of the desulfurization box 4. One end of the hose 93 is connected to an air duct 94, and the length of the air duct 94 is the same as the width of the filter 5. The surface of the air duct 94 is provided with a wind head 95, and a plurality of wind heads 95 are connected at equal intervals. The top surface of the air duct 94 is provided with a connecting block 96, and the connecting block 96 is connected to the movable block 88, thereby improving the cleanliness of the filter 5.

[0031] Specifically, the suction fan 92 on the surface of the support plate 91 is started by an external button at the same time, and the suction fan 92 generates negative pressure, so that the two groups of hoses 93 symmetrically connected to one end of the suction fan 92 generate suction, and the hoses 93 pass through the pipe grooves opened on the surface of the desulfurization box 4, and the hoses 93 are a stretchable structure. The movable block 88 drives the air duct 94 to move through the connecting block 96, so that the multiple groups of wind heads 95 on the surface of the air duct 94 adsorb and clean the dust and harmful substances cleaned by the filter 5, thereby improving the cleanliness of the filter 5.

[0032] 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.

[0033] Although the 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 desulfurization and denitrification device for a belt sintering machine, comprising a dust removal box (1), a cyclone separator (2) arranged inside the dust removal box (1), an air inlet pipe (3) connected to one end of the dust removal box (1), a desulfurization box (4) arranged at one end of the air inlet pipe (3), a filter screen (5) arranged inside the desulfurization box (4), an air outlet pipe (6) connected to one end of the desulfurization box (4), and a denitrification box (7) arranged at one end of the air outlet pipe (6), characterized in that: The desulfurization box (4) is provided with a cleaning structure (8) inside; The cleaning structure (8) comprises a motor (82) arranged at one end of the desulfurization box (4), a driving rod (83) arranged at the output end of the motor (82), a ball screw (84) arranged at one end of the driving rod (83), a moving block (85) threadedly connected to the surface of the ball screw (84), and a cleaning brush (86) arranged at one end of the moving block (85).

2. A flue gas desulfurization and denitrification device for a belt sintering machine according to claim 1, characterized in that: A fixing plate (81) is provided at one end of the desulfurization box (4), and the fixing plate (81) is connected to a motor (82).

3. The flue gas desulfurization and denitrification device of a belt sintering machine according to claim 1, characterized in that: One end of the ball screw (84) is movably connected to the inner wall of the desulfurization box (4), and a movable block (88) is threadedly connected to the surface of the ball screw (84).

4. The flue gas desulfurization and denitrification device of a belt sintering machine according to claim 1, characterized in that: The driving rod (83) and the ball screw (84) are each provided in two groups, and the two ends of one group of the ball screw (84) are movably connected to the inner wall of the desulfurization box (4), and the surfaces of the two groups of the driving rods (83) are sleeved with belts (87) for transmission.

5. The flue gas desulfurization and denitrification device of a belt sintering machine according to claim 1, characterized in that: The length of the cleaning brush (86) is equal to the width of the filter screen (5), and the bristles of the cleaning brush (86) are in contact with the surface of the filter screen (5).

6. The flue gas desulfurization and denitrification device of a belt sintering machine according to claim 1, characterized in that: A dust suction structure (9) is provided at one end of the desulfurization box (4), and the dust suction structure (9) comprises a support plate (91) provided at one end of the desulfurization box (4).

7. A flue gas desulfurization and denitrification device for a belt sintering machine according to claim 6, characterized in that: A suction fan (92) is arranged on the surface of the support plate (91), and a hose (93) is connected to the surface of the suction fan (92). Two groups of hoses (93) are symmetrically distributed about the suction fan (92), and the hoses (93) pass through a pipe groove opened on the surface of the desulfurization box (4).

8. The flue gas desulfurization and denitrification device of a belt sintering machine according to claim 7, characterized in that: One end of the hose (93) is connected to an air duct (94), the length of the air duct (94) is the same as the width of the filter (5), a wind head (95) is arranged on the surface of the air duct (94), and a plurality of wind heads (95) are connected at equal intervals, and a connecting block (96) is arranged on the top surface of the air duct (94), and the connecting block (96) is connected to the movable block (88).

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