Adjustable sintering machine flue gas internal circulation device

Abstract

The utility model relates to the field of flue gas internal circulation, and discloses an adjustable sintering machine flue gas internal circulation device which comprises a shell, a pipeline penetrates through the inner wall of the shell and is fixedly connected with the inner wall of the shell, a flow dividing mechanism is arranged on one side of the shell, and the flow dividing mechanism comprises a flue gas inlet pipe. The outer wall of the smoke inlet pipe penetrates through and is fixedly connected with one side of the shell, a bypass is fixedly connected to the outer wall of the smoke inlet pipe, a switch valve A penetrates through and is rotationally connected to the inner wall of the smoke inlet pipe, a baffle B is fixedly connected to the bottom end of the switch valve A, and the outer wall of the baffle B is rotationally connected with the inner wall of the smoke inlet pipe. And a filter screen is clamped on the inner wall of the smoke inlet pipe. According to the utility model, by using the bypass, when the filter screen needs to be replaced, the effect of replacing the filter screen without stopping the device is realized by opening the bypass and closing the smoke inlet pipe, and the working efficiency of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the field of internal circulation of flue gas, in particular to an adjustable internal circulation device of flue gas for a sintering machine. Background Art

[0002] Sintering is an important metallurgical process, mainly used in the processing and treatment of ore powder or granular materials. The main purpose of sintering is to combine bulk raw materials (such as iron ore powder, coke, limestone, etc.) into blocks through high-temperature heat treatment and solidification, so as to carry out further smelting or reduction reactions in smelting equipment such as blast furnaces. Usually, sintering machines need to use flue gas internal circulation devices to achieve multiple functions such as energy recovery, improve production efficiency, reduce environmental pollution and reduce production costs.

[0003] After searching, Chinese patent announcement number: CN220169998U2 discloses an adjustable sintering machine flue gas internal circulation device, including a device body, a connecting plate fixedly connected to the back of the device body, an oxygenation mechanism fixedly installed on the top of the connecting plate, the oxygenation mechanism includes an exhaust fan, and a purification mechanism is movably connected to the inner side wall of the device body. The utility model can effectively block the smoke and dust in the flue gas, filter out impurities in the flue gas, and improve the sintering efficiency of the sintering machine and the efficiency of the flue gas circulation.

[0004] However, considering that when the filter needs to be replaced during the use of the device, it is necessary to stop the device and then open the cover to replace the filter. This process is not only laborious, but the replacement process is also cumbersome, which affects the efficiency of the device during use. Therefore, an adjustable sintering machine flue gas internal circulation device is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an adjustable sintering machine flue gas internal circulation device, which aims to improve the process in the prior art that requires stopping the device and then opening the cover to replace the filter, which is not only laborious but also cumbersome, affecting the efficiency of the device during use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable sintering machine flue gas internal circulation device, comprising an outer shell, an inner wall of the outer shell is penetrated by and fixedly connected with a pipe, a side of the outer shell is provided with a diversion mechanism, the diversion mechanism comprises a smoke inlet pipe, the outer wall of the smoke inlet pipe is penetrated by and fixedly connected with one side of the outer shell, and the outer wall of the smoke inlet pipe is fixedly connected with a bypass.

[0007] As a further description of the above technical solution:

[0008] The inner wall of the smoke inlet pipe is penetrated and rotatably connected with a switch valve A, the bottom end of the switch valve A is fixedly connected with a baffle B, the outer wall of the baffle B is rotatably connected to the inner wall of the smoke inlet pipe, and the inner wall of the smoke inlet pipe is clamped with a filter.

[0009] As a further description of the above technical solution:

[0010] The outer wall of the pipeline is fixedly connected with a heat collection pipe, one end of the heat collection pipe is fixedly connected with an input pipe, the other end of the heat collection pipe is fixedly connected with an output pipe, and the outer wall of the output pipe is fixedly connected with a collection box.

[0011] As a further description of the above technical solution:

[0012] The outer wall of the smoke inlet pipe is hinged with a cover plate, the outer wall of the cover plate is fixedly connected with a buckle, the outer wall of the buckle is plugged into the inner wall of the smoke inlet pipe, the inner wall of the smoke inlet pipe is penetrated by a latch and slidably connected, and the outer wall of the latch is penetrated by the inner wall of the buckle and slidably connected.

[0013] As a further description of the above technical solution:

[0014] The outer wall of the bypass is penetrated and rotatably connected with a switch valve B, the bottom end of the switch valve B is fixedly connected with a baffle A, and the outer wall of the baffle A is rotatably connected to the inner wall of the bypass.

[0015] As a further description of the above technical solution:

[0016] The heat energy collecting tube is configured as an annular tube.

[0017] As a further description of the above technical solution:

[0018] A detector is passed through and fixedly connected to the inner wall of the pipeline.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the housing is fixedly connected with a display panel.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by using a bypass, when the filter needs to be replaced, the bypass is opened and the smoke inlet pipe is closed, so that the filter can be replaced without stopping the device, thereby further improving the working efficiency of the device.

[0023] 2. In the utility model, by using a heat energy collection tube, the heat energy contained in the high-temperature flue gas generated during the sintering process is recovered and utilized by the heat energy collection tube for preheating fuel, drying raw materials or heating sintered ore, etc., thereby reducing energy consumption and improving energy utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of an adjustable sintering machine flue gas internal circulation device proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the cross-sectional structure of a smoke inlet pipe of an adjustable smoke internal circulation device for a sintering machine proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the shell of an adjustable sintering machine flue gas internal circulation device proposed by the utility model;

[0027] Figure 4 The utility model provides a schematic diagram of the cover structure of an adjustable sintering machine flue gas internal circulation device.

[0028] Legend:

[0029] 1. Shell; 2. Pipe; 3. Smoke inlet pipe; 4. Display panel; 5. Output pipe; 6. Input pipe; 7. Collection box; 8. Detector; 9. Filter; 10. Heat collection tube; 11. Bypass; 12. Switch valve A; 13. Switch valve B; 14. Baffle A; 15. Baffle B; 16. Cover plate; 17. Buckle; 18. Latch. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1-Figure 4 The utility model provides an embodiment: an adjustable sintering machine flue gas internal circulation device, including a shell 1, the inner wall of the shell 1 is penetrated and fixedly connected with a pipe 2, the inner wall of the shell 1 is penetrated and fixedly connected with the pipe 2, so that the flue gas can be transported to the other end through the inner wall of the pipe 2, a diversion mechanism is provided on one side of the shell 1, the diversion mechanism includes a smoke inlet pipe 3, the outer wall of the smoke inlet pipe 3 is penetrated and fixedly connected with one side of the shell 1, and the one side of the shell 1 provides a fixed support effect for the smoke inlet pipe 3, the outer wall of the smoke inlet pipe 3 is penetrated and fixedly connected with a bypass 11, and the outer wall of the smoke inlet pipe 3 provides a fixed support effect for the bypass 11, and because it is a penetrating connection, the flue gas can enter the bypass 11.

[0032] Reference Figure 1-Figure 2 , Figure 4 A switch valve A12 penetrates through and is rotatably connected to the inner wall of the smoke inlet pipe 3. By penetrating and rotatably connecting the switch valve A12 to the inner wall of the smoke inlet pipe 3, the switch valve A12 can rotate along the inner wall of the smoke inlet pipe 3. A baffle B15 is fixedly connected to the bottom end of the switch valve A12. The baffle B15 is fixedly connected to the bottom end of the switch valve A12, so that the switch valve A12 can drive the baffle A15 to rotate when it rotates. The outer wall of the baffle B15 is rotatably connected to the inner wall of the smoke inlet pipe 3. The baffle B15 is rotatably connected to the inner wall of the smoke inlet pipe 3 by the outer wall of the baffle B15. The baffle B15 can rotate along the inner wall of the smoke inlet pipe 3. A filter screen 9 is clamped on the inner wall of the smoke inlet pipe 3. By clamping the filter screen 9 on the inner wall of the smoke inlet hanging pipe 3, the smoke can be filtered by the filter screen 9 when passing through the smoke inlet pipe 3.

[0033] Reference Figure 3 A heat energy collecting pipe 10 is fixedly connected to the outer wall of the pipe 2, and the outer wall of the pipe 2 provides a fixed support for the heat energy collecting pipe 10. An input pipe 6 is fixedly connected to one end of the heat energy collecting pipe 10, and the input pipe 6 is fixedly connected to one end of the heat energy collecting pipe 10, so that the heat transfer fluid can be input into the heat energy collecting pipe 10. An output pipe 5 is fixedly connected to the other end of the heat energy collecting pipe 10, and the output pipe 6 is fixedly connected to the other end of the heat energy collecting pipe 10, so that the heat transfer fluid in the heat energy collecting pipe 10 can be discharged. A collection box 7 is fixedly connected to the outer wall of the output pipe 5, and the collection box 7 is fixedly connected to the outer wall of the output pipe 5, so that the discharged heat transfer fluid can flow into the collection box 7 through the output pipe 5.

[0034] Reference Figure 1 , Figure 4 The outer wall of the smoke inlet pipe 3 is hinged with a cover plate 16, and the cover plate 16 is hinged on the outer wall of the smoke inlet pipe 3, so that the cover plate 16 can be expanded and contracted along the outer wall of the smoke inlet pipe 3. The outer wall of the cover plate 16 is fixedly connected with a buckle 17, and the buckle 17 is fixedly connected to the outer wall of the cover plate 16, so that the cover plate 16 can drive the buckle 17 to move together when expanding and contracting. The outer wall of the buckle 17 is plugged into the inner wall of the smoke inlet pipe 3, and the inner wall of the smoke inlet pipe 3 provides a plug-in connection for the buckle 17 The effect is that the inner wall of the smoke inlet pipe 3 is penetrated by a latch 18 and is slidably connected. The latch 18 is penetrated by the inner wall of the smoke inlet pipe 3 and is slidably connected, so that the latch 18 can move laterally along the inner wall of the smoke inlet pipe 3. The outer wall of the latch 18 is penetrated by the inner wall of the buckle 17 and is slidably connected. The outer wall of the latch 18 is penetrated by the inner wall of the buckle 17 and is slidably connected, so that the buckle 17 can be fixed after being plugged into the smoke inlet pipe 3 through the latch 18 penetrating the buckle 17 and the smoke inlet pipe 3.

[0035] Reference Figure 1-Figure 2The inner wall of the bypass 11 is penetrated by a switch valve B13 and is rotatably connected thereto. The switch valve B13 is penetrated by the inner wall of the bypass 11 and is rotatably connected thereto, so that the switch valve B13 can rotate along the inner wall of the bypass 11. The bottom end of the switch valve B13 is fixedly connected with a baffle A14. The baffle A14 is fixedly connected to the bottom end of the switch valve B13, so that when the switch valve B13 rotates, the baffle A14 can be driven to rotate. The outer wall of the baffle A14 is rotatably connected to the inner wall of the bypass 11. The outer wall of the baffle A14 is rotatably connected to the inner wall of the bypass 1, so that the baffle A14 can rotate along the inner wall of the bypass 11.

[0036] Reference Figure 3 The heat energy collecting tube 10 is set to be annular. By setting the heat energy collecting tube 10 to be annular, the heat energy collecting tube 10 can be wrapped around the outer wall of the pipeline 2, so that the heat energy collecting tube 10 can better absorb the heat energy.

[0037] Reference Figure 3 A detector 8 is passed through and fixedly connected to the inner wall of the pipe 2. By passing through and fixedly connected to the inner wall of the pipe 2, the detector 8 can detect the harmful substance content of the smoke in the pipe 2, thereby transmitting the data to the outside of the pipe 2.

[0038] Reference Figure 1 The outer wall of the shell 1 is fixedly connected with a display panel 4, and the display panel 4 is fixedly connected to the outer wall of the shell 1, so that the data detected by the detector 8 can be displayed on the display panel for the staff to observe and record.

[0039] Working principle: When the device is in use, the smoke first enters from the smoke inlet pipe 3, then is filtered through the filter screen 9 connected inside the smoke inlet pipe 3, and is discharged to other equipment through the pipe 2. Subsequently, the heat energy collection pipe 10 fixed on the outer wall of the pipe 2 absorbs the heat energy of the smoke, and then the heat transfer liquid in the heat energy collection pipe 10, after absorbing the heat energy, is discharged into the collection box 7 through the output pipe 5.

[0040] When the filter 9 needs to be replaced, first turn the switch valve B13, and then the baffle A14 is driven to rotate. After the baffle A14 rotates to the specified position, the smoke will enter the bypass 11, and then enter the rear end of the smoke inlet pipe 3 through the bypass 11. Then turn the switch valve A12 to rotate the baffle B15 to the specified position to block the smoke from entering the smoke inlet pipe 3. Then, pull out the latch 18, and then release the clamping connection between the buckle 17 and the inner wall of the smoke inlet pipe 3. At the same time, release the cover 16 from the smoke inlet pipe 3, and then pull The cover 16 is unfolded outward, and then the filter 9 is pulled out upward, and then a new filter is inserted into the smoke inlet pipe, and then the cover 16 is closed, so that the buckle 17 is again engaged with the smoke inlet pipe 3, so that the cover 16 is fixed to the smoke inlet pipe so that the filter will not pop out, and then the switch valve A12 is turned so that the baffle B15 no longer blocks the smoke, and then the switch valve B13 is turned so that the baffle A14 blocks the bypass 11 again, and the replacement of the filter in the smoke inlet pipe 3 is completed. When the filter of the bypass 11 needs to be replaced, it is replaced with the above operation.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable sintering machine flue gas internal circulation device, comprising a housing (1), characterized in that: A pipe (2) is passed through and fixedly connected to the inner wall of the outer shell (1); a diversion mechanism is provided on one side of the outer shell (1); the diversion mechanism comprises a smoke inlet pipe (3); an outer wall of the smoke inlet pipe (3) passes through and fixedly connected to one side of the outer shell (1); and a bypass (11) is fixedly connected to the outer wall of the smoke inlet pipe (3).

2. The adjustable sintering machine flue gas internal circulation device according to claim 1, characterized in that: An on-off valve A (12) penetrates and is rotatably connected to the inner wall of the smoke inlet pipe (3); a baffle B (15) is fixedly connected to the bottom end of the on-off valve A (12); an outer wall of the baffle B (15) is rotatably connected to the inner wall of the smoke inlet pipe (3); and a filter screen (9) is clamped on the inner wall of the smoke inlet pipe (3).

3. The adjustable sintering machine flue gas internal circulation device according to claim 1, characterized in that: A heat energy collection pipe (10) is fixedly connected to the outer wall of the pipeline (2); one end of the heat energy collection pipe (10) is fixedly connected to an input pipe (6); the other end of the heat energy collection pipe (10) is fixedly connected to an output pipe (5); and the outer wall of the output pipe (5) is fixedly connected to a collection box (7).

4. The adjustable sintering machine flue gas internal circulation device according to claim 1, characterized in that: The outer wall of the smoke inlet pipe (3) is hinged with a cover plate (16), the outer wall of the cover plate (16) is fixedly connected with a buckle (17), the outer wall of the buckle (17) is plugged into the inner wall of the smoke inlet pipe (3), the inner wall of the smoke inlet pipe (3) is penetrated by a latch (18) and is slidably connected, and the outer wall of the latch (18) is penetrated by the inner wall of the buckle (17) and is slidably connected.

5. The adjustable sintering machine flue gas internal circulation device according to claim 1, characterized in that: The outer wall of the bypass (11) is penetrated by and rotatably connected to a switch valve B (13), the bottom end of the switch valve B (13) is fixedly connected to a baffle A (14), and the outer wall of the baffle A (14) is rotatably connected to the inner wall of the bypass (11).

6. The adjustable sintering machine flue gas internal circulation device according to claim 3, characterized in that: The heat energy collecting tube (10) is configured as an annular tube.

7. The adjustable sintering machine flue gas internal circulation device according to claim 1, characterized in that: A detector (8) passes through and is fixedly connected to the inner wall of the pipeline (2).

8. The adjustable sintering machine fume internal circulation device according to claim 1, characterized in that: The outer wall of the housing (1) is fixedly connected with a display panel (4).

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