Dust suppression device used in slagging process of thermal power plant

Abstract

The utility model discloses a dust suppression device used in the slagging process of a thermal power plant, which comprises a slag bin, a fixing frame, a slag receiving box, a plurality of bottom rods, a positioning component, a dust collecting box, a coarse filter screen plate, a middle filter screen plate, a fine filter screen plate and a spray header, the slag bin is mounted in the fixing frame, the slag receiving box is movably mounted in the fixing frame, and the bottom rods are movably mounted in the fixing frame. The multiple bottom rods are fixedly connected to the bottom end of the slag receiving box, self-locking wheels are installed at the bottom ends of the bottom rods, and two pushing handles are symmetrically connected to the outer side wall of the slag receiving box. According to the dust suppression device used in the slagging process of the thermal power plant, material slag can be conveniently filtered, collected, sprayed and settled through cooperation of the slag bin, the feeding pipe, the discharging pipe, the fixing frame, the slag receiving box, the bottom rod, the positioning assembly, the dust collecting box, the coarse filtering net plate, the middle filtering net plate, the fine filtering net plate, the spraying head and the like; and therefore, dust floating in the air during slag treatment can be reduced conveniently, and pollution of the slag dust to the working environment can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dust suppression devices, in particular to a dust suppression device used in a slag discharge process of a thermal power plant. Background Art

[0002] A thermal power plant is a plant that can heat water to generate steam when fuel is burned, converting the chemical energy of the fuel into thermal energy. The steam pressure drives the steam turbine to rotate, converting the thermal energy into mechanical energy. The steam turbine then drives the generator to rotate, converting the mechanical energy into electrical energy. At present, a large amount of dust is generated during the slag bin discharge process of a thermal power plant, which is easy to pollute the working environment.

[0003] In order to solve the above problems, after searching, the utility model with patent announcement number CN210709772U discloses a dust suppression device for the slag discharge process of thermal power plants. When discharging slag, the slag receiving box is pushed to the bottom of the slag bin. When the spherical surface of the limit column enters the limit pit, the slag receiving box is accurately located under the slag bin. The cylinder is started to move the cover so that the dust cover and the slag receiving box form a closed space. The solenoid valve is opened to discharge the slag. After the slag is turned over, you can wait for a short time until the dust in the slag receiving box completely falls. Then, close the solenoid valve and the cylinder and wait for the next slag discharge. Although it is convenient to reduce the pollution of dust to the working environment during the slag discharge process, when the dust in the slag receiving box is processed and collected, the dust in the slag receiving box is prone to float due to vibration, and the dust floating in the air will still cause secondary pollution to the working environment. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the utility model provides a dust suppression device for use in the slag discharge process of a thermal power plant, so as to solve the problem in the background art that the dust in the slag box is easily collected to cause secondary pollution to the working environment.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust suppression device for use in a slag discharge process in a thermal power plant, comprising a slag bin, the top and bottom ends of which are respectively connected to a feed pipe and a discharge pipe, and further comprising a fixing frame, a slag receiving box, a bottom rod, a positioning assembly, a dust collecting box, a coarse filter screen plate, a medium filter screen plate, a fine filter screen plate and a spray head;

[0008] The slag bin is installed in the fixed frame;

[0009] The slag receiving box is movably installed in the fixed frame;

[0010] The bottom rod is provided in plurality, and the plurality of bottom rods are fixedly connected to the bottom end of the slag receiving box, and a self-locking wheel is installed at the bottom end of the bottom rod;

[0011] The positioning assembly is installed in the fixing frame;

[0012] The dust collecting box is detachably arranged in the slag receiving box;

[0013] The coarse filter plate is detachably installed in the dust collecting box;

[0014] The middle filter screen plate is detachably arranged on the lower side of the coarse filter screen plate;

[0015] The fine filter screen plate is detachably mounted on the lower side of the middle filter screen plate;

[0016] The spray heads are arranged in plurality, and the plurality of spray heads are installed on the upper side of the coarse filter screen through a protective component.

[0017] Preferably, the protection component comprises:

[0018] A protective cover, which is detachably mounted on the top of the slag receiving box, and is provided with a discharge port matching the discharge pipe;

[0019] A positioning frame, wherein the positioning frame is provided in plurality, the plurality of positioning frames are fixedly connected to the protective cover, and the positioning frame is provided with a positioning plane matching the outer side wall of the slag receiving box;

[0020] A connecting column, wherein the connecting column is provided in plurality, and the plurality of connecting columns are fixedly connected to the bottom end of the protective cover;

[0021] A connecting pipe, wherein two connecting pipes are provided and the two connecting pipes are installed between the two connecting columns;

[0022] A water inlet pipe, the water inlet pipe is connected to one of the connecting pipes, and the water inlet pipe is connected through the protective cover;

[0023] A spray pipe is provided in plurality, the plurality of spray pipes are respectively connected to the two connecting pipes, and the plurality of spray heads are respectively connected to the bottom ends of the plurality of spray pipes.

[0024] Furthermore, the positioning component includes:

[0025] A positioning plate, the positioning plate is fixedly connected to the fixing frame, and the positioning plate is provided with two moving openings for the bottom rod to move;

[0026] There are multiple positioning grooves, and each of the multiple positioning grooves is formed on the positioning plate;

[0027] A damping spring is fixedly connected in each of the positioning grooves, and a positioning block is fixedly connected to the damping spring.

[0028] As a further solution of the present application, a limiting plate is fixedly connected to the inner wall of the fixing frame, the discharge pipe is connected through the limiting plate, and a limiting groove matching the slag receiving box is formed at the bottom end of the limiting plate.

[0029] On the basis of the above scheme, a drainage pipe is provided at the bottom end of the dust collecting box, a through opening matching the drainage pipe is provided at the bottom end of the slag receiving box, and a valve is provided on the drainage pipe.

[0030] It is further explained that a plurality of support columns are fixedly connected to the inner bottom wall of the slag receiving box, and a support groove matching the support columns is formed at the bottom end of the dust collecting box.

[0031] It should also be noted that a cleaning port is provided on one side of the dust box, a protective plate is hinged at the cleaning port, and a groove is provided on the protective plate.

[0032] (III) Beneficial effects

[0033] Compared with the prior art, the utility model provides a dust suppression device for use in the slag discharge process of a thermal power plant, which has the following beneficial effects:

[0034] 1. In the utility model, the slag bin, the feed pipe and the discharge pipe are coordinated to facilitate the discharge of the slag. The slag receiving box can be moved into the fixed frame by the coordination of multiple bottom rods and multiple self-locking wheels. At the same time, the slag receiving box can be fixed directly below the discharge pipe by the positioning assembly.

[0035] 2. In the utility model, the material residue can be easily introduced into the dust collecting box through the material outlet, and the material residue can be filtered and collected through the cooperation of the coarse filter screen plate, the medium filter screen plate and the fine filter screen plate;

[0036] 3. In the utility model, the protection component and multiple spray heads are used to spray and settle the slag dust on the coarse filter plate, the medium filter plate and the fine filter plate in an all-round manner, so as to reduce the floating of the slag dust, thereby reducing the dust floating in the air when the slag is processed;

[0037] 4. Therefore, compared with the prior art, the dust suppression device used in the slag discharge process of the thermal power plant is easy to cause secondary pollution to the working environment when collecting the dust in the slag box. It is convenient to filter, collect and spray the slag through the cooperation of the slag bin, feed pipe, discharge pipe, fixed frame, slag box, bottom rod, positioning assembly, dust collecting box, coarse filter plate, medium filter plate, fine filter plate and spray head, so as to reduce the dust floating in the air when the slag is processed, and further reduce the pollution of the slag dust to the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the overall three-dimensional structure of this application;

[0039] Figure 2 For this application Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0040] Figure 3 This is a schematic diagram of the cross-sectional three-dimensional structure of the slag receiving box, protective cover and protective plate of this application;

[0041] Figure 4 This is a schematic diagram of a sectional three-dimensional structure of the dust collection box, support column and protective plate of the present application;

[0042] Figure 5 This is a schematic diagram of the three-dimensional structure of the protective cover, positioning frame and connecting column of the present application.

[0043] In the figure: 1. slag bin; 2. fixing frame; 3. slag receiving box; 4. bottom rod; 5. self-locking wheel; 6. dust collecting box; 7. coarse filter screen; 8. medium filter screen; 9. fine filter screen; 10. spray head; 11. protective cover; 12. positioning frame; 13. connecting column; 14. connecting pipe; 15. spray pipe; 16. positioning plate; 17. damping spring; 18. positioning block; 19. limit plate; 20. support column; 21. protective plate. DETAILED DESCRIPTION

[0044] 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.

[0045] See also Figures 1 to 5A dust suppression device for use in a slag discharge process in a thermal power plant comprises a slag bin 1, wherein the top and bottom ends of the slag bin 1 are respectively connected with a feed pipe and a discharge pipe, so as to facilitate the feeding and discharge of slag in the slag bin 1, and further comprises a fixed frame 2, a slag receiving box 3, a bottom rod 4, a positioning assembly, a dust collecting box 6, a coarse filter screen plate 7, a medium filter screen plate 8, a fine filter screen plate 9 and a spray head 10, wherein the slag bin 1 is installed in the fixed frame 2, the slag receiving box 3 is movably installed in the fixed frame 2, a plurality of bottom rods 4 are provided, and the plurality of bottom rods 4 are fixedly connected to the bottom end of the slag receiving box 3 , and a self-locking wheel 5 is installed at the bottom end of the bottom rod 4, and two pushing handles are symmetrically connected to the outer wall of the slag box 3. Through the cooperation of the two pushing handles, multiple bottom rods 4 and multiple self-locking wheels 5, it is convenient to move the docking slag box 3, the positioning component is installed in the fixed frame 2, and the dust box 6 is detachably arranged in the slag box 3. Multiple supporting columns 20 are fixedly connected to the inner bottom wall of the slag box 3, and the bottom end of the dust box 6 is provided with a supporting groove matching the supporting column 20. Through the cooperation of multiple supporting columns 20 and multiple supporting grooves, it is convenient to move the slag box 3 in the slag box 3. The dust box 6 is stably supported, and it is convenient to install and disassemble the dust box 6 in the slag box 3. The coarse filter plate 7 is detachably installed in the dust box 6, the medium filter plate 8 is detachably arranged on the lower side of the coarse filter plate 7, and the fine filter plate 9 is detachably installed on the lower side of the medium filter plate 8. Through the cooperation of the coarse filter plate 7, the medium filter plate 8 and the fine filter plate 9, the slag can be filtered in multiple stages. A plurality of spray heads 10 are provided, and a plurality of spray heads 10 are installed on the upper side of the coarse filter plate 7 through a protective component. A plurality of placement blocks are fixedly connected to the inner wall of the dust box 6, and the coarse filter screen plate 7, the medium filter screen plate 8 and the fine filter screen plate 9 are respectively located at the top ends of the plurality of placement blocks, so as to facilitate the stable placement and support of the coarse filter screen plate 7, the medium filter screen plate 8 and the fine filter screen plate 9. A cleaning port is provided on one side of the dust box 6, and a protective plate 21 is hinged at the cleaning port. A pulling groove is provided on the protective plate 21. The protective plate 21 is opened by pulling the groove, so that the coarse filter screen plate 7, the medium filter screen plate 8 and the fine filter screen plate 9 in the dust box 6 can be disassembled and replaced.

[0046] See also Figures 1 to 5The protective assembly includes a protective cover 11, a positioning frame 12, a connecting column 13, a connecting pipe 14, a water inlet pipe and a spray pipe 15. The protective cover 11 is detachably mounted on the top of the slag receiving box 3. The protective cover 11 is provided with a discharge port matching the discharge pipe. The positioning frame 12 is provided in plurality, and the plurality of positioning frames 12 are fixedly connected to the protective cover 11, and the positioning frame 12 is provided with a positioning plane matching the outer wall of the slag receiving box 3. The connecting column 13 is provided in plurality, and the plurality of connecting columns 13 are fixedly connected to the bottom end of the protective cover 11. The connecting pipe 14 is provided in two, and the two connecting pipes 14 are installed between the two connecting columns 13. The water inlet pipe is connected to one of the connecting pipes 14, and the water inlet pipe is connected to the protective cover 11 through and through. The spray pipe 15 is provided in plurality, and the plurality of spray pipes 15 are respectively connected to the two connecting pipes 14, and the plurality of spray heads 10 are respectively connected to the bottom ends of the plurality of spray pipes 15.

[0047] Through multiple positioning frames 12, it is convenient to stably place the protective cover 11 on the slag box 3, so that the two connecting pipes 14 can be stably placed in the slag box 3 through two connecting columns 13, so as to stably place multiple spray pipes 15 and multiple spray heads 10 in the slag box 3. Through the cooperation of multiple spray heads 10, it is convenient to spray and settle the slag dust on the coarse filter plate 7, the medium filter plate 8 and the fine filter plate 9 in all directions, and at the same time, it is convenient to spray and settle the dust in the dust collecting box 6, so as to reduce the dust floating in the air when the slag is processed.

[0048] See also Figures 1 to 5 The positioning assembly includes a positioning plate 16, a positioning slot and a damping spring 17. The positioning plate 16 is fixedly connected to the fixing frame 2, and the positioning plate 16 is provided with two moving openings for the bottom rod 4 to move. A plurality of positioning slots are provided, and a plurality of positioning slots are provided on the positioning plate 16. The damping spring 17 is fixedly connected in each positioning slot, and a positioning block 18 is fixedly connected to the damping spring 17;

[0049] When the bottom rod 4 moves into the moving port, the bottom rod 4 can be supported and positioned by the cooperation of the damping spring 17 and the positioning block 18. By the cooperation of multiple damping springs 17 and multiple positioning blocks 18, multiple bottom rods 4 can be supported and positioned, thereby facilitating the increase of the stability of the slag receiving box 3 placed on the lower side of the discharge port.

[0050] See also Figures 1 to 5 A limiting plate 19 is fixedly connected to the inner wall of the fixing frame 2, the discharge pipe is connected through the limiting plate 19, and a limiting groove matching the slag receiving box 3 is provided at the bottom end of the limiting plate 19;

[0051] When the slag receiving box 3 moves to the bottom of the limiting plate 19 , the slag receiving box 3 can be limited by the limiting groove, so as to increase the stability of the slag receiving box 3 placed on the bottom side of the limiting plate 19 .

[0052] See also Figures 1 to 5 The bottom end of the dust box 6 is provided with a drain pipe, and the bottom end of the slag box 3 is provided with a through hole matching the drain pipe, so that the drain pipe can move back and forth on the dust box 6, and a valve is provided on the drain pipe;

[0053] By opening the valve, the spray water in the dust box 6 can be discharged from the dust box 6.

[0054] In summary, firstly, the slag receiving box 3 is moved to the bottom of the limit plate 19 by pushing the handle, the bottom rod 4 and the self-locking wheel 5. When the bottom rod 4 moves to the appropriate position in the moving opening, the multiple bottom rods 4 can be positioned by multiple damping springs 17 and multiple positioning blocks 18, so as to stably position the slag receiving box 3 at the lower side of the limit plate 19. When the slag in the silo enters the dust collecting box 6 through the discharge pipe, the slag can be graded and filtered through the cooperation of the coarse filter screen plate 7, the medium filter screen plate 8 and the fine filter screen plate 9, so as to facilitate the subsequent separation of the slag. The slag and dust on the coarse filter screen 7, the medium filter screen 8 and the fine filter screen 9 can be sprayed and settled in all directions through multiple spray pipes 15 and multiple spray heads 10 to reduce the floating dust. Then the slag box 3 is moved to a suitable processing position, and the dust collecting box 6 is moved out of the slag box 3. Then, the protective plate 21 is opened through the pulling groove to process the slag and dust on the coarse filter screen 7, the medium filter screen 8 and the fine filter screen 9.

[0055] 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 dust suppression device for use in a slag discharge process in a thermal power plant, comprising a slag bin (1), wherein the top and bottom ends of the slag bin (1) are respectively connected to a feed pipe and a discharge pipe, wherein: Also includes: A fixed frame (2), wherein the slag bin (1) is installed in the fixed frame (2); A slag receiving box (3), wherein the slag receiving box (3) is movably installed in the fixed frame (2); A bottom rod (4), wherein the bottom rod (4) is provided in plurality, the plurality of bottom rods (4) are all fixedly connected to the bottom end of the slag receiving box (3), and a self-locking wheel (5) is installed at the bottom end of the bottom rod (4); A positioning component, the positioning component is installed in the fixing frame (2); A dust collecting box (6), wherein the dust collecting box (6) is detachably arranged in the slag receiving box (3); A coarse filter screen plate (7), wherein the coarse filter screen plate (7) is detachably mounted in the dust collecting box (6); A middle filter screen plate (8), wherein the middle filter screen plate (8) is detachably arranged on the lower side of the coarse filter screen plate (7); A fine filter screen plate (9), wherein the fine filter screen plate (9) is detachably mounted on the lower side of the middle filter screen plate (8); A spray head (10), wherein the spray head (10) is arranged in plurality, and the plurality of spray heads (10) are installed on the upper side of the coarse filter screen plate (7) through a protective component.

2. A dust suppression device for use in a slag discharge process in a thermal power plant according to claim 1, characterized in that: The protection component comprises: A protective cover (11), the protective cover (11) is detachably mounted on the top of the slag receiving box (3), and the protective cover (11) is provided with a discharge port matching the discharge pipe; A positioning frame (12), wherein the positioning frames (12) are provided in plurality, the plurality of positioning frames (12) are all fixedly connected to the protective cover (11), and the positioning frames (12) are provided with a positioning plane matching the outer side wall of the slag receiving box (3); A connecting column (13), wherein the connecting column (13) is provided in plurality, and the plurality of connecting columns (13) are all fixedly connected to the bottom end of the protective cover (11); A connecting pipe (14), wherein two connecting pipes (14) are provided, and the two connecting pipes (14) are installed between the two connecting columns (13); A water inlet pipe, the water inlet pipe being in communication with one of the connecting pipes (14), and the water inlet pipe being connected through the protective cover (11); A spray pipe (15), wherein the spray pipe (15) is arranged in plurality, the plurality of spray pipes (15) are respectively connected to the two connecting pipes (14), and the plurality of spray heads (10) are respectively connected to the bottom ends of the plurality of spray pipes (15).

3. A dust suppression device for use in a slag discharge process in a thermal power plant according to claim 2, characterized in that: The positioning component comprises: A positioning plate (16), the positioning plate (16) being fixedly connected to the fixing frame (2), and the positioning plate (16) being provided with two moving openings for the bottom rod (4) to move; A positioning groove, wherein the positioning groove is provided in plurality, and the plurality of positioning grooves are all provided on the positioning plate (16); A damping spring (17), wherein the damping spring (17) is fixedly connected in each of the positioning grooves, and a positioning block (18) is fixedly connected to the damping spring (17).

4. A dust suppression device for use in a slag discharge process in a thermal power plant according to claim 3, characterized in that: A limiting plate (19) is fixedly connected to the inner side wall of the fixing frame (2), the discharge pipe is connected through the limiting plate (19), and a limiting groove matching the slag receiving box (3) is provided at the bottom end of the limiting plate (19).

5. A dust suppression device for use in a slag discharge process in a thermal power plant according to claim 4, characterized in that: A drainage pipe is provided at the bottom end of the dust collecting box (6), a through opening matching the drainage pipe is provided at the bottom end of the slag receiving box (3), and a valve is provided on the drainage pipe.

6. A dust suppression device for use in a slag discharge process in a thermal power plant according to claim 5, characterized in that: A plurality of support columns (20) are fixedly connected to the inner bottom wall of the slag receiving box (3), and a support groove matching the support columns (20) is provided at the bottom end of the dust collecting box (6).

7. A dust suppression device for use in a slag discharge process in a thermal power plant according to claim 6, characterized in that: A cleaning port is provided on one side of the dust collecting box (6), a protective plate (21) is hingedly connected to the cleaning port, and a groove is provided on the protective plate (21).

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