Thermal power plant desulfurized gypsum heat treatment device

Abstract

The utility model belongs to the technical field of desulfurization gypsum, and particularly relates to a thermal power plant desulfurization gypsum heat treatment device which comprises a dryer and a cleaning device, the side wall of the dryer is fixedly connected with a feeding part, the bottom end of the dryer is fixedly connected with a base plate, and the side wall of the dryer is fixedly connected with a discharging part; a cleaning device is arranged on the surface of the feeding part and comprises a fixing ring, the fixing ring is located over the feeding part, a connecting ring is fixedly connected to the bottom end of the fixing ring, a guide device is arranged on the side wall of the base plate and comprises a containing block, the side wall of the containing block is fixedly connected with the side wall of the base plate, and a guide plate is rotationally connected to the surface of the containing block. Positioning pins are in threaded connection with the inner walls of the placing blocks and the guide plates; the feeding part can be cleaned by arranging the scraper, so that the possibility that the desulfurized gypsum is stuck in the feeding part is reduced, meanwhile, the scraper can be supported and fixed by other parts, and the situation that the scraper is lost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of desulfurized gypsum, in particular to a desulfurized gypsum heat treatment device for a thermal power plant. Background Art

[0002] Desulfurized gypsum is also called flue gas desulfurized gypsum, sulfur gypsum or FGD gypsum. Its main component is the same as natural gypsum, which is calcium sulfate dihydrate CaSO4·2H2O, with a content of ≥93%. Desulfurized gypsum is a by-product of the FGD process, which is a technology that uses lime-limestone to recover sulfur dioxide from flue gas from coal or oil combustion.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when desulfurization gypsum is treated, a dryer is mostly used. Since the feed part of the dryer lacks a cleaning structure, when the desulfurization gypsum enters the dryer, some desulfurization gypsum will remain in the feed part, and the feed part may be blocked during long-term use. Therefore, a desulfurization gypsum heat treatment device for a thermal power plant is proposed to address the above-mentioned problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes a thermal treatment device for desulfurized gypsum in a thermal power plant, comprising a dryer and a cleaning device, wherein the side wall of the dryer is fixedly connected with a feed part, the bottom end of the dryer is fixedly connected with a pad, and the side wall of the dryer is fixedly connected with a discharge part; a cleaning device is provided on the surface of the feed part, and the cleaning device comprises a fixing ring, the fixing ring is located directly above the feed part, the bottom end of the fixing ring is fixedly connected with a connecting ring, the bottom end of the connecting ring is fixedly connected with two scrapers, the scrapers are located inside the feed part, and a handle is fixedly connected to the upper surface of the fixing ring, the handle is rotated to drive the fixing ring and the connecting ring to rotate, the connecting ring drives the scraper to rotate, the scraper rotates on the inner surface of the feed part, and the scraper can clean the feed part to a certain extent.

[0006] Preferably, two support columns are fixedly connected to the surface of the feeding part, and support rods are movably connected to the surfaces of the two support columns. When the support rods rotate or slide, the support rods will move on the surfaces of the support columns. By setting the support columns, the support rods can be supported to a certain extent.

[0007] Preferably, a support block is fixedly connected to the upper surface of the support rod, and the surface of the support block is slidably connected to the inner surface of the fixed ring. A sliding groove is provided on the surface of the support rod, and the inner wall of the sliding groove of the support rod is movably connected to the surface of the support column. When the fixed ring rotates, the fixed ring will rotate on the surface of the support block, and the opening of the sliding groove can facilitate the movement of the support rod.

[0008] Preferably, a placement groove is provided on the surface of the fixing ring, and the inner wall of the placement groove of the fixing ring is slidably connected to the surface of the support block. When the fixing ring rotates, the fixing ring will rotate on the surface of the support block through the placement groove. The placement groove can facilitate the rotation of the fixing ring.

[0009] Preferably, the side wall of the pad is provided with a guiding device, which includes a placing block, the side wall of the placing block is fixedly connected to the side wall of the pad, the surface of the placing block is rotatably connected to a guide plate, the inner walls of the placing block and the guide plate are threadedly connected with positioning pins, and the positioning pins are rotated to the inner walls of the placing block and the guide plate. When the gypsum moves, the gypsum will move on the surface of the guide plate, and the gypsum can be guided by setting the guide plate.

[0010] Preferably, a plurality of positioning holes are provided on the surface of the placement block, the positioning pin surface and the inner wall of the positioning hole of the placement block are threadedly connected, and a rotating hole is provided on the surface of the guide plate, and the inner wall of the rotating hole of the guide plate is rotatably connected to the surface of the placement block. When the positioning pin rotates, the positioning pin will rotate to the inner wall of the positioning hole of the placement block, and the positioning hole can facilitate the storage of the positioning pin.

[0011] The utility model is beneficial in that:

[0012] 1. When the utility model needs to clean the feeding part, the support rod is pushed to allow the support rod to rotate on the surface of the support column through the slide groove. After the support rod rotates to a suitable angle, the support rod is pushed to move the support rod to a position, and the scraper will be inserted into the inner wall of the feeding part. Then the handle is rotated to allow the handle to drive the fixing ring to rotate, and the fixing ring rotates on the surface of the support block through the placement groove. The fixing ring will drive the connecting ring and the scraper to rotate, and the scraper rotates on the inner surface of the feeding part. After cleaning, the handle is pulled to allow the handle to drive the scraper and the support rod to rise. After the support rod rises to a suitable height, the handle is pushed to allow the handle to drive the support rod to rotate, and the support rod rotates on the surface of the support column. By arranging the scraper, the feeding part can be cleaned, thereby reducing the possibility of desulfurized gypsum sticking to the feeding part. At the same time, other components can also support and fix the scraper to reduce the loss of the scraper.

[0013] 2. When the desulfurized gypsum needs to be dried, the utility model rotates the guide plate to allow the guide plate to rotate on the surface of the placement block through the rotating hole. After the guide plate is rotated to a suitable angle, the positioning pin is rotated to the inner wall of the positioning hole of the placement block and the inner wall of the guide plate. When the desulfurized gypsum moves, the desulfurized gypsum will move on the surface of the guide plate. By setting the guide plate, the desulfurized gypsum can be guided, and the gap between the discharge part and the conveyor belt can also be reduced, thereby reducing the desulfurized gypsum from falling to other places. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a dryer in a thermal treatment device for desulfurized gypsum in a thermal power plant;

[0016] Figure 2 A thermal power plant desulfurization gypsum heat treatment device Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 It is a side view structural schematic diagram of a dryer in a desulfurized gypsum heat treatment device of a thermal power plant;

[0018] Figure 4 A thermal power plant desulfurization gypsum heat treatment device Figure 3 Schematic diagram of the structure at point B.

[0019] In the figure: 1. dryer; 2. feeding part; 3. pad; 4. discharging part; 5. cleaning device; 51. fixing ring; 52. connecting ring; 53. scraper; 54. handle; 55. supporting column; 56. supporting rod; 57. supporting block; 58. slide groove; 59. placement groove; 6. guiding device; 61. placement block; 62. guide plate; 63. positioning pin; 64. positioning hole; 65. rotating hole. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4As shown, a thermal treatment device for desulfurized gypsum in a thermal power plant comprises a dryer 1 and a cleaning device 5, wherein a feed portion 2 is fixedly connected to the side wall of the dryer 1, a pad 3 is fixedly connected to the bottom end of the dryer 1, and a discharge portion 4 is fixedly connected to the side wall of the dryer 1; a cleaning device 5 is provided on the surface of the feed portion 2, wherein the cleaning device 5 comprises a fixing ring 51, wherein the fixing ring 51 is located directly above the feed portion 2, a connecting ring 52 is fixedly connected to the bottom end of the fixing ring 51, and two scrapers 53 are fixedly connected to the bottom end of the connecting ring 52, wherein the scrapers 53 are located inside the feed portion 2, and a handle 54 is fixedly connected to the upper surface of the fixing ring 51; during operation, the scraper 53 is inserted into the inner wall of the feed portion 2, and then the handle 54 is rotated to drive the fixing ring 51 and the connecting ring 52 to rotate, and the connecting ring 52 drives the scraper 53 to rotate, and the scraper 53 rotates on the inner surface of the feed portion 2, and the scraper 53 can clean the feed portion 2 to a certain extent.

[0022] Two support columns 55 are fixedly connected to the surface of the feeding part 2, and support rods 56 are movably connected to the surfaces of the two support columns 55; when working, the support rods 56 will move on the surfaces of the support columns 55, and the support columns 55 can support the support rods 56 to a certain extent.

[0023] The upper surface of the support rod 56 is fixedly connected with a support block 57, the surface of the support block 57 is slidably connected to the inner surface of the fixing ring 51, and a slide groove 58 is provided on the surface of the support rod 56. The inner wall of the slide groove 58 of the support rod 56 is movably connected to the surface of the support column 55; when working, the support rod 56 will move on the surface of the support column 55 through the slide groove 58, and when the fixing ring 51 rotates, the fixing ring 51 will rotate on the surface of the support block 57, and the opening of the slide groove 58 can facilitate the movement of the support rod 56.

[0024] A placement groove 59 is provided on the surface of the fixing ring 51, and the inner wall of the placement groove 59 of the fixing ring 51 is slidably connected to the surface of the support block 57; when working, the fixing ring 51 will rotate on the surface of the support block 57 through the placement groove 59, and the placement groove 59 can facilitate the rotation of the fixing ring 51.

[0025] The side wall of the pad 3 is provided with a guide device 6, and the guide device 6 includes a placement block 61. The side wall of the placement block 61 is fixedly connected to the side wall of the pad 3. The surface of the placement block 61 is rotatably connected with a guide plate 62, and the inner walls of the placement block 61 and the guide plate 62 are threadedly connected with a positioning pin 63; when working, the guide plate 62 will rotate on the surface of the placement block 61. After the guide plate 62 is rotated to a suitable angle, the positioning pin 63 is rotated to the inner walls of the placement block 61 and the guide plate 62. When the plaster moves, the plaster will move on the surface of the guide plate 62. The plaster can be guided by setting the guide plate 62.

[0026] The surface of the placement block 61 is provided with a plurality of positioning holes 64, the surface of the positioning pin 63 is threadedly connected to the inner wall of the positioning hole 64 of the placement block 61, and the surface of the guide plate 62 is provided with a rotating hole 65, the inner wall of the rotating hole 65 of the guide plate 62 is rotatably connected to the surface of the placement block 61; during operation, the guide plate 62 rotates on the surface of the placement block 61 through the rotating hole 65, and when the positioning pin 63 rotates, the positioning pin 63 will rotate to the inner wall of the positioning hole 64 of the placement block 61, and the opening of the positioning hole 64 can facilitate the storage of the positioning pin 63.

[0027] Working principle: when the feeding part 2 needs to be cleaned, push the support rod 56 to allow the support rod 56 to rotate on the surface of the support column 55 through the slide groove 58. After the support rod 56 rotates to a suitable angle, push the support rod 56 to move the support rod 56, and the scraper 53 will be inserted into the inner wall of the feeding part 2. Then rotate the handle 54 to allow the handle 54 to drive the fixed ring 51 to rotate. The fixed ring 51 rotates on the surface of the support block 57 through the placement groove 59. The fixed ring 51 will drive the connecting ring 52 and the scraper 53 to rotate. The scraper 53 rotates on the inner surface of the feeding part 2. After cleaning, pull the handle 54 to allow the handle 54 to drive the scraper 53 and the support rod 56 to rise. After the support rod 56 rises to a suitable height, push the handle 54 to allow the handle 54 to drive the support rod 56 to rotate. The support rod 56 is The surface of the support column 55 rotates, and the scraper 53 is provided to clean the feed part 2, thereby reducing the possibility of desulfurized gypsum sticking to the feed part 2. At the same time, other components can also support and fix the scraper 53 to reduce the loss of the scraper 53. When the desulfurized gypsum needs to be dried, the guide plate 62 is rotated to allow the guide plate 62 to rotate on the surface of the placement block 61 through the rotating hole 65. After the guide plate 62 is rotated to a suitable angle, the positioning pin 63 is rotated to the inner wall of the positioning hole 64 of the placement block 61 and the inner wall of the guide plate 62. When the desulfurized gypsum moves, the desulfurized gypsum will move on the surface of the guide plate 62. By providing the guide plate 62, the desulfurized gypsum can be guided, and the gap between the discharge part 4 and the conveyor belt can also be reduced, thereby reducing the desulfurized gypsum from falling to other places.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A thermal power plant desulfurized gypsum heat treatment device, comprising a dryer (1) and a cleaning device (5), wherein a feed portion (2) is fixedly connected to the side wall of the dryer (1), a pad (3) is fixedly connected to the bottom end of the dryer (1), and a discharge portion (4) is fixedly connected to the side wall of the dryer (1); characterized in that: A cleaning device (5) is provided on the surface of the feed portion (2), and the cleaning device (5) comprises a fixing ring (51), the fixing ring (51) is located directly above the feed portion (2), the bottom end of the fixing ring (51) is fixedly connected to a connecting ring (52), the bottom end of the connecting ring (52) is fixedly connected to two scrapers (53), the scrapers (53) are located inside the feed portion (2), and the upper surface of the fixing ring (51) is fixedly connected to a handle (54).

2. A thermal power plant desulfurization gypsum heat treatment device according to claim 1, characterized in that: Two support columns (55) are fixedly connected to the surface of the feeding portion (2), and support rods (56) are movably connected to the surfaces of the two support columns (55).

3. A thermal power plant desulfurization gypsum heat treatment device according to claim 2, characterized in that: The upper surface of the support rod (56) is fixedly connected to a support block (57), the surface of the support block (57) is slidably connected to the inner surface of the fixing ring (51), the surface of the support rod (56) is provided with a slide groove (58), and the inner wall of the slide groove (58) of the support rod (56) is movably connected to the surface of the support column (55).

4. A thermal power plant desulfurization gypsum heat treatment device according to claim 3, characterized in that: A placement groove (59) is provided on the surface of the fixing ring (51), and the inner wall of the placement groove (59) of the fixing ring (51) is slidably connected to the surface of the support block (57).

5. A thermal power plant desulfurization gypsum heat treatment device according to claim 1, characterized in that: The side wall of the pad (3) is provided with a guide device (6), and the guide device (6) comprises a placement block (61). The side wall of the placement block (61) is fixedly connected to the side wall of the pad (3), the surface of the placement block (61) is rotatably connected to a guide plate (62), and the inner walls of the placement block (61) and the guide plate (62) are threadedly connected to positioning pins (63).

6. A thermal power plant desulfurization gypsum heat treatment device according to claim 5, characterized in that: A plurality of positioning holes (64) are provided on the surface of the placement block (61); the surface of the positioning pin (63) is threadedly connected to the inner wall of the positioning hole (64) of the placement block (61); a rotating hole (65) is provided on the surface of the guide plate (62); the inner wall of the rotating hole (65) of the guide plate (62) is rotatably connected to the surface of the placement block (61).

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