Feeding device for desulfurization pulping of thermal power plant

Abstract

The utility model discloses a feeding device for desulfurization pulping of a thermal power plant, and relates to the technical field of thermal power, the feeding device for desulfurization pulping of the thermal power plant comprises a feeding tank body and a crushing mechanism arranged on the feeding tank body, the crushing mechanism is assembled to refine and crush materials after the materials are fed into the feeding tank body, and the crushing mechanism is used for crushing the materials after the materials are fed into the feeding tank body. And the blanking hose is arranged at the bottom of the feeding tank body. Through the arrangement of the lifting mechanism and the protective cloth bag, when the limestone tanks of the thermal power plant are charged, an external power supply is communicated, the servo motor B drives the threaded screw rod to rotate, so that the threaded pipe translates, the lifting rod is driven to rotate, the charging barrel is lifted along with rotation, the height of the discharging opening of the charging barrel is adjusted, and the limestone tanks with different heights can be charged conveniently; the protective cloth bag is arranged in the feeding port of the limestone tank, and during discharging, the protective cloth bag shields ash powder of materials, so that the situation that the material powder drifts around, on one hand, pollution is caused, and on the other hand, material waste is caused is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal power generation, in particular to a feeding device for desulfurization pulping in a thermal power plant. Background Art

[0002] Thermal power plants, also known as thermal power plants, are plants that use combustibles (such as coal) as fuel to produce electricity. In the process of using coal to burn and generate electricity, thermal power plants need to use the limestone-gypsum desulfurization process to desulfurize and pulp their flue gas. When using limestone, it needs to be put into the limestone tank through a feeding device for pulping. The traditional feeding method generally uses belt or screw conveying, which has certain shortcomings.

[0003] A limestone tank feeding device for a thermal power plant desulfurization system is disclosed in publication number CN217698999U. Although the utility model can fully crush and stir the raw materials to make the raw materials evenly mixed, the whole device has strong linkage, can feed quantitatively, and has high production efficiency.

[0004] However, in the process of conveying materials, the existing feeding device is not convenient to adjust the material conveying height. Different limestone tanks have different heights, and the fixed height of the belt will affect material conveying. There is a lack of protective mechanism when the limestone falls. When the material falls, especially under windy conditions, the material is easy to float around, causing pollution and material waste. Utility Model Content

[0005] The utility model provides a feeding device for desulfurization pulping in a thermal power plant, which has the advantages of being easy to adjust the material conveying height and providing protection when limestone falls, so as to solve the problems that the existing feeding device is not easy to adjust the material conveying height, different limestone tanks have different heights, and the fixed height of the belt will affect the material conveying; there is a lack of protection mechanism when the limestone falls, and when the material falls, especially under windy conditions, the material is easy to float around, causing pollution and also causing material waste.

[0006] In order to facilitate the adjustment of the material conveying height during the material conveying process and to protect the limestone from falling, the utility model provides the following technical solutions: a feeding device for desulfurization pulping in a thermal power plant, comprising a feeding tank body and a crushing mechanism arranged on the feeding tank body, wherein the crushing mechanism is configured to crush the material into fine pieces after the material is put into the feeding tank body, and further comprising: a feeding hose arranged at the bottom of the feeding tank body, a feeding barrel arranged at the bottom of the feeding hose; a discharging mechanism arranged at one side of the feeding barrel, wherein the discharging mechanism comprises a servo motor, a dragon rod and a bulk material rod fixed at one end of the dragon rod, the A servo motor is arranged on one side of the feeding barrel and passes through the feeding barrel and is fixedly connected to the dragon rod; a protective cloth bag is arranged on the other side of the feeding barrel, and the protective cloth bag is assembled to block the ash powder when feeding into the limestone tank of the thermal power plant; a lifting mechanism is arranged on the bottom surface of the feeding barrel, and the lifting mechanism includes a B servo motor and a pushing member arranged at the output end of the B servo motor, the top surface of the pushing member is rotatably provided with a lifting rod for lifting the feeding barrel, and the top of the lifting rod is rotatably provided with a mounting block fixed to the top surface of the feeding barrel.

[0007] As a preferred technical solution of the utility model, the pulverizing mechanism includes a C servo motor and a pulverizing rod, the C servo motor is fixedly arranged on the top surface of the feeding tank body, and the pulverizing rod is fixedly connected to the output end of the C servo motor.

[0008] As a preferred technical solution of the utility model, a fixed frame is fixedly installed on the inner wall of the feeding tank body, and a screen for screening materials is fixedly arranged inside the fixed frame.

[0009] As an optimal technical solution of the utility model, connecting rods are rotatably arranged on both sides of the edge of the feeding barrel, a movable base is fixedly installed on the bottom of the connecting rod, and a through groove is arranged on one side of the top surface of the movable base to facilitate the movement of the A servo motor.

[0010] As an optimal technical solution of the utility model, the pushing member includes a threaded screw and a threaded tube. The threaded screw is fixedly installed on the output end of the B servo motor. The threaded tube is rotatably connected to the lifting rod. The threaded tube is threadedly connected to the surface of the threaded screw.

[0011] As a preferred technical solution of the utility model, support connecting rods are fixedly installed on both sides of the top surface of the movable base, and the top of the support connecting rod is fixedly installed on the surface of the feeding tank body by screws.

[0012] As a preferred technical solution of the utility model, four sets of universal wheels are fixedly installed on the bottom surface of the mobile base, and the four sets of universal wheels are distributed in a rectangular array and are provided with brake pads for braking.

[0013] As a preferred technical solution of the utility model, a limiting track is fixedly provided on the other side of the top surface of the movable base, and the B servo motor passes through the limiting track and is fixedly connected to the pushing member.

[0014] Compared with the prior art, the utility model provides a feeding device for desulfurization pulping in a thermal power plant, which has the following beneficial effects:

[0015] The feeding device for desulfurization pulping in the thermal power plant,

[0016] 1. Through the setting of lifting mechanism and protective cloth bag, when feeding into the limestone tank of thermal power plant, connect the external power supply, servo motor B drives the screw to rotate, so that the threaded tube moves horizontally, drives the lifting rod to rotate, and the feeding barrel follows the rotation and lifting, and adjusts the height of the feeding barrel discharge port to facilitate feeding into limestone tanks of different heights. Put the protective cloth bag in the feeding port of the limestone tank. When unloading, the protective cloth bag blocks the ash powder of the material to prevent the material powder from floating around, which will cause pollution on the one hand and waste of materials on the other hand.

[0017] 2. Through the setting of the discharging mechanism, servo motor A drives the dragon rod to rotate, and the material that falls from the feeding hose into the feeding barrel is transported. The dispersing rod breaks up the material at the discharging port to prevent the material from being pressed and attached to each other during the transportation process, which affects the subsequent use.

[0018] 3. Through the setting of the crushing mechanism, the material is put into the feeding tank, and the C servo motor drives the crushing rod to rotate, crushing and refining the material, and then it enters the feeding hose through the screen to avoid the mixing of larger pieces of raw materials and affecting the use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall split structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the pulverizing mechanism of the utility model;

[0022] Figure 4 This is a schematic diagram of the discharging mechanism and protective cloth bag structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the lifting mechanism structure of the utility model.

[0024] In the figure: 1. feeding tank; 2. crushing mechanism; 201. C servo motor; 202. crushing rod; 3. feeding hose; 4. feeding barrel; 5. A servo motor; 6. Jiaolong rod; 7. bulk rod; 8. B servo motor; 9. pushing member; 901. threaded screw; 902. threaded pipe; 10. lifting rod; 11. mounting block; 12. fixed frame; 13. screen; 14. connecting rod; 15. mobile base; 16. supporting connecting rod; 17. universal wheel; 18. limiting track; 19. protective cloth bag. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 5 The utility model discloses a feeding device for desulfurization pulping in a thermal power plant, comprising a feeding tank body 1 and a crushing mechanism 2 arranged on the feeding tank body 1, the crushing mechanism 2 is assembled to crush the material into fine pieces after the material is put into the feeding tank body 1, and also comprises: a feeding hose 3 arranged at the bottom of the feeding tank body 1, a feeding barrel 4 arranged at the bottom of the feeding hose 3; a discharging mechanism arranged at one side of the feeding barrel 4, the discharging mechanism comprising a servo motor 5, a dragon rod 6 and a bulk rod 7 fixed at one end of the dragon rod 6, the servo motor 5 is arranged at One side of the feeding barrel 4 passes through the feeding barrel 4 and is fixedly connected to the dragon rod 6; a protective cloth bag 19 is arranged on the other side of the feeding barrel 4, and the protective cloth bag 19 is assembled to block the ash powder when feeding into the limestone tank of the thermal power plant; a lifting mechanism is arranged on the bottom surface of the feeding barrel 4, and the lifting mechanism includes a B servo motor 8 and a pushing member 9 arranged at the output end of the B servo motor 8, and the top surface of the pushing member 9 is rotatably provided with a lifting rod 10 for lifting the feeding barrel 4, and the top of the lifting rod 10 is rotatably provided with a mounting block 11 fixed to the top surface of the feeding barrel 4.

[0027] Specifically, the pulverizing mechanism 2 includes a C servo motor 201 and a pulverizing rod 202 . The C servo motor 201 is fixedly arranged on the top surface of the feeding tank 1 , and the pulverizing rod 202 is fixedly connected to the output end of the C servo motor 201 .

[0028] In this embodiment, the material is put into the feeding tank 1. After the C servo motor 201 is connected to the external power supply, the output end drives the crushing rod 202 to rotate, and the lumps mixed in the material are crushed to prevent the lumps from being mixed in, causing blockage and affecting subsequent use.

[0029] Specifically, a fixed frame 12 is fixedly installed on the inner wall of the feeding tank body 1 , and a screen 13 for screening materials is fixedly arranged inside the fixed frame 12 .

[0030] In this embodiment, after the material is crushed by the crushing mechanism 2, the refined material enters the feeding barrel 4 through the screen 13 and the feeding hose 3 for feeding. The material that does not meet the standard is isolated by the screen 13 and continues to be crushed and refined to ensure the material crushing effect.

[0031] Specifically, connecting rods 14 are rotatably provided on both sides of the edge of the feeding barrel 4, a movable base 15 is fixedly installed on the bottom of the connecting rod 14, and a through groove is provided on one side of the top surface of the movable base 15 to facilitate the movement of the A servo motor 5.

[0032] In this embodiment, when the feeding barrel 4 is lifted by the lifting mechanism, the A servo motor 5 will rotate along with the feeding barrel 4. The through groove is convenient for reserving space for the rotation of the A servo motor 5 to avoid blocking the rotation trajectory of the A servo motor 5 and affecting the lifting of the feeding barrel 4. The connecting rod 14 provides limit support for the edge of the feeding barrel 4.

[0033] Specifically, the pusher 9 includes a threaded screw 901 and a threaded tube 902 . The threaded screw 901 is fixedly installed at the output end of the B servo motor 8 . The threaded tube 902 is rotatably connected to the lifting rod 10 . The threaded tube 902 is threadedly connected to the surface of the threaded screw 901 .

[0034] In this embodiment, the B servo motor 8 drives the threaded screw 901 to rotate. At this time, the threaded tube 902 will translate to the left on the surface of the threaded screw 901, and the lifting rod 10 will rotate accordingly to lift the right side of the feeding barrel 4 and adjust the height of the discharge port to facilitate feeding into the limestone tanks of thermal power plants at different heights.

[0035] Specifically, support rods 16 are fixedly installed on both sides of the top surface of the movable base 15, and the top of the support rods 16 is fixedly installed on the surface of the feeding tank body 1 by screws.

[0036] In this embodiment, the supporting connecting rod 16 is connected to the feeding tank body 1 to reinforce and support the feeding tank body 1 and improve the stability of the feeding tank body 1.

[0037] Specifically, four sets of universal wheels 17 are fixedly installed on the bottom surface of the mobile base 15. The four sets of universal wheels 17 are distributed in a rectangular array and are provided with brake pads for braking.

[0038] In this embodiment, when the device needs to be moved, the universal wheel 17 drives the movable base 15 to move, and after being moved to a designated position, the brake pad brakes the universal wheel 17 to prevent displacement.

[0039] Specifically, a limiting track 18 is fixedly provided on the other side of the top surface of the movable base 15 , and the B servo motor 8 passes through the limiting track 18 and is fixedly connected to the pushing member 9 .

[0040] In this embodiment, the limiting track 18 limits the threaded tube 902 , and the inner wall of the limiting track 18 is provided with a sliding groove, and the threaded tube 902 slides and limits inside the sliding groove to prevent the lifting rod 10 from shaking left and right.

[0041] The working principle and use process of the utility model are as follows: first, the material is put into the feeding tank 1, connected to the external power supply, and the C servo motor 201 drives the crushing rod 202 to rotate, so as to crush and refine the material, and then the material enters the blanking hose 3 through the screen 13 to avoid the mixing of larger pieces of raw materials and affect the use.

[0042] After that, the material falls from the blanking hose 3 into the feeding barrel 4, and the A servo motor 5 drives the dragon rod 6 to rotate to transport the material that falls from the blanking hose 3 into the feeding barrel 4. The bulk rod 7 breaks up the material at the discharge port to prevent the material from being pressed and attached to each other during the transportation process, which affects the subsequent use.

[0043] Later, when feeding into the limestone tank of the thermal power plant, the external power supply is connected, and the B servo motor 8 drives the threaded screw 901 to rotate, so that the threaded tube 902 translates, drives the lifting rod 10 to rotate, and the feeding barrel 4 follows the rotation and lifts, and adjusts the height of the discharge port of the feeding barrel 4, so as to facilitate feeding into limestone tanks of different heights.

[0044] The protective cloth bag 19 is placed in the feed port of the limestone tank. When the material is unloaded, the protective cloth bag 19 shields the ash powder of the material to prevent the material powder from scattering everywhere.

[0045] In summary, through the setting of the lifting mechanism, the protective bag 19, the discharging mechanism and the crushing mechanism 2, the material is put into the feeding tank 1, connected to the external power supply, the C servo motor 201 drives the crushing rod 202 to rotate, the material is crushed and refined, and then enters the blanking hose 3 through the screen 13 to avoid the mixing of large pieces of raw materials, which affects the use. The material falls from the blanking hose 3 into the feeding barrel 4, and the A servo motor 5 drives the dragon rod 6 to rotate, and the material falling from the blanking hose 3 into the feeding barrel 4 is transported, and the material is scattered. The material rod 7 breaks up the material at the discharge port to prevent the material from being pressed and attached to each other to form blocks during transportation, which will affect subsequent use. The B servo motor 8 drives the threaded screw 901 to rotate, so that the threaded tube 902 moves horizontally, driving the lifting rod 10 to rotate, and the feeding barrel 4 follows the rotation and lifting, and the height of the discharge port of the feeding barrel 4 is adjusted to facilitate feeding into limestone tanks at different heights. The protective cloth bag 19 is placed in the feed port of the limestone tank. When unloading, the protective cloth bag 19 blocks the dust of the material to prevent the material powder from floating around.

[0046] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations 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 includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0047] 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 feeding device for desulfurization pulping in a thermal power plant, comprising a feeding tank (1) and a crushing mechanism (2) arranged on the feeding tank (1), wherein the crushing mechanism (2) is configured to crush the material into fine particles after the material is put into the feeding tank (1), and is characterized in that: Also includes: A feeding hose (3) is arranged at the bottom of the feeding tank body (1), and a feeding cylinder (4) is arranged at the bottom of the feeding hose (3); A discharging mechanism is arranged on one side of the feeding barrel (4), the discharging mechanism comprising an A servo motor (5), a dragon rod (6) and a discharging rod (7) fixed to one end of the dragon rod (6), the A servo motor (5) is arranged on one side of the feeding barrel (4) and penetrates the feeding barrel (4) and is fixedly connected to the dragon rod (6); A protective cloth bag (19) is arranged on the other side of the charging barrel (4), and the protective cloth bag (19) is configured to shield the ash powder when charging the limestone tank of the thermal power plant; A lifting mechanism is arranged on the bottom surface of the feeding barrel (4), and the lifting mechanism includes a B servo motor (8) and a pushing member (9) arranged at the output end of the B servo motor (8); a lifting rod (10) for lifting the feeding barrel (4) is rotatably arranged on the top surface of the pushing member (9); and a mounting block (11) fixed to the top surface of the feeding barrel (4) is rotatably arranged on the top of the lifting rod (10).

2. A feeding device for desulfurization pulping in a thermal power plant according to claim 1, characterized in that: The pulverizing mechanism (2) comprises a C servo motor (201) and a pulverizing rod (202); the C servo motor (201) is fixedly arranged on the top surface of the feeding tank (1); and the pulverizing rod (202) is fixedly connected to the output end of the C servo motor (201).

3. A feeding device for desulfurization pulping in a thermal power plant according to claim 1, characterized in that: A fixed frame (12) is fixedly mounted on the inner wall of the feeding tank (1), and a screen (13) for screening materials is fixedly arranged inside the fixed frame (12).

4. A feeding device for desulfurization pulping in a thermal power plant according to claim 1, characterized in that: Connecting rods (14) are rotatably provided on both sides of the edge of the feeding barrel (4), a movable base (15) is fixedly installed at the bottom of the connecting rod (14), and a through groove is provided on one side of the top surface of the movable base (15) for facilitating the movement of the A servo motor (5).

5. A feeding device for desulfurization pulping in a thermal power plant according to claim 1, characterized in that: The pushing member (9) comprises a threaded screw (901) and a threaded tube (902), wherein the threaded screw (901) is fixedly mounted on the output end of the B servo motor (8), the threaded tube (902) is rotationally connected to the lifting rod (10), and the threaded tube (902) is threadedly connected to the surface of the threaded screw (901).

6. A feeding device for desulfurization pulping in a thermal power plant according to claim 4, characterized in that: Support connecting rods (16) are fixedly mounted on both sides of the top surface of the movable base (15), and the top of the support connecting rod (16) is fixedly mounted on the surface of the feeding tank body (1) by means of screws.

7. A feeding device for desulfurization pulping in a thermal power plant according to claim 4, characterized in that: Four sets of universal wheels (17) are fixedly mounted on the bottom surface of the mobile base (15), and the four sets of universal wheels (17) are distributed in a rectangular array and are provided with brake pads for braking.

8. A feeding device for desulfurization pulping in a thermal power plant according to claim 4, characterized in that: A limiting track (18) is fixedly arranged on the other side of the top surface of the movable base (15), and the B servo motor (8) passes through the limiting track (18) and is fixedly connected to the pushing member (9).

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