Water leakage treatment structure for deslagging door of dewatering slag bin
By combining guide plates, speed limiting mechanisms, filter plates, and propulsion mechanisms, the problems of water leakage and blockage in the slag are solved, achieving efficient dewatering and discharge of the slag and meeting the environmental protection zero-emission requirements.
Patent Information
- Application Number
- CN202423258638.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing dewatering slag bin structure has problems such as leakage of residual moisture from the slag, which leads to environmental pollution and slag blockage, affecting processing efficiency and environmental protection costs.
By employing guide plates, speed limiting mechanisms, filter plates, slag pushing mechanisms, and booster mechanisms, the slag speed is controlled and dewatered by squeezing, combined with cylinders and jet pipes to clear blockages, thus achieving effective dewatering and discharge of the slag.
It effectively reduces moisture leakage from the slag, prevents environmental pollution, avoids slag blockage, improves dewatering efficiency and equipment reliability, and meets environmental protection zero-emission requirements.
Smart Images
Figure CN223641405U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of dewatering slag bin technology, and in particular relates to a structure for treating water leakage at the slag discharge gate of a dewatering slag bin. Background Technology
[0002] In boiler ash removal systems of thermal power plants, wet ash discharge is a common method. This system is typically equipped with an ash remover and a dewatered ash bin to achieve continuous discharge and treatment of boiler ash. Each boiler is usually equipped with two dewatered ash bins to handle the water-containing ash discharged by the ash remover. The ash remover drops the water-containing ash into the bins in a free-fall manner. The ash settles within the bins, while the wastewater flows into a wastewater tank for collection and reuse. The dewatered ash is then loaded onto trucks and transported to the ash disposal site to reduce ash and water leakage from the ash bin discharge gates, which is crucial for thermal power plants to achieve zero-emission environmental targets.
[0003] In existing dewatering slag bin structures, simple inclined guide plates are typically used to guide the slag into the bin. The slag then moves along a filter plate by gravity or a simple mechanical device to achieve the dewatering process. The filter plate generally uses porous materials or a mesh structure to allow water to pass through, thus achieving dewatering. The slag discharge device is located at the bottom of the bin; the discharge door is opened manually or mechanically to discharge the dewatered slag from the bin.
[0004] However, this existing structure has some obvious problems in practical applications, affecting the processing efficiency and reliability of the dewatering slag bin: First, the existing structure usually relies on gravity or simple mechanical devices to move the slag on the filter plate to achieve dewatering, but this method often fails to completely remove the moisture from the slag. Therefore, residual moisture in the slag is prone to leaking out at the slag discharge gate, causing environmental pollution. This not only violates environmental regulations but also increases the environmental treatment costs of thermal power plants. In addition, the existing dewatering slag bins lack an effective slag unblocking mechanism, so the slag is prone to clogging inside the bin. This clogging not only affects the dewatering efficiency but may also cause the slag bin to malfunction, or even require shutdown for cleaning and maintenance.
[0005] Therefore, it is essential to invent a structure for addressing water leakage at the slag discharge gate of the dewatering slag bin. Utility Model Content
[0006] The purpose of this utility model is to provide a structure for treating water leakage at the slag discharge gate of a dewatered slag bin, thereby solving the problems mentioned in the background art.
[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0008] This utility model relates to a structure for treating water leakage at the discharge gate of a dewatered slag silo. It includes a silo body, a feed inlet, a guide plate, a speed limiting mechanism, filter plates, a slag pushing mechanism, a liquid storage chamber, a slag discharge chamber, a drain pipe, a discharge gate, a cylinder, and a booster mechanism. The feed inlet is located at the upper interior of the silo body, and a guide plate is bolted to the inside of the silo body. The guide plate is inclined, and a speed limiting mechanism is located on the lower side of its lowest point. The speed limiting mechanism is fixed to the silo body, and two filter plates are arranged below the speed limiting mechanism, with the two filter plates fitting together. Each filter plate is bolted to the inner wall of the silo body. The filter plates are fixed in place, and a slag pushing mechanism is provided on the upper side of each filter plate. A liquid storage chamber is provided on the lower side of the filter plate, and a slag discharge chamber is provided on one side of the liquid storage chamber. A drain pipe is fixed on the lower side of the silo body, and one end of the drain pipe is connected to the liquid storage chamber and is located on the outside of the silo body. A slag discharge door is provided on the lower side of the slag discharge chamber, and the slag discharge door is slidably connected to the silo body, and one end of the slag discharge door is fixed to the silo body by a cylinder. A booster mechanism is provided on the upper side of the slag discharge chamber, and the booster mechanism is fixed to the silo body by bolts, and the input end of the booster mechanism is connected to an external air source.
[0009] Furthermore, the speed limiting mechanism includes a squeezing roller, a gear, and a first motor. There are two squeezing rollers, which are meshed with each other by gears. Both ends of the squeezing rollers are rotatably connected to the hopper body through support bearings, and one end of one of the squeezing rollers is fixed to the output end of the first motor. The base of the first motor is fixed to the hopper body by bolts. This configuration can limit the speed at which the slag falls onto the filter plate.
[0010] Furthermore, the slag pushing mechanism includes a rotating column, a second motor, a scraper, limiting columns, an auxiliary frame, a dewatering drum, and springs. Both ends of the rotating column are rotatably connected to the bin body via support bearings, and one end of the rotating column is fixed to the output end of the second motor. The base of the second motor is fixed to the bin body via bolts. The outer side of the rotating column is respectively welded with a scraper and several limiting columns, wherein an auxiliary frame is slidably mounted on the limiting columns. Springs are fitted on the outer side of each limiting column, and the springs are all located between the rotating column and the auxiliary frame. A dewatering drum is rotatably mounted on the auxiliary frame via support bearings. This arrangement enables the extrusion of water contained inside the slag.
[0011] Furthermore, the booster mechanism includes a transfer box, a solenoid valve, an air inlet pipe, and a jet pipe. The transfer box is fixed to the silo body by bolts. The upper end of the transfer box is fixed with an air inlet pipe via a solenoid valve, and the other end of the air inlet pipe is connected to an external air source. The lower end of the transfer box is fixed with several jet pipes, and the other end of the jet pipes is located inside the slag discharge chamber. This arrangement allows for the unblocking of the slag discharge chamber.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. This utility model, through the setting of guide plate and speed limiting mechanism, can slowly guide the slag entering the bin body through the feed port to the corresponding filter plate. Furthermore, the speed at which the slag falls onto the filter plate can be adjusted by adjusting the speed of the first motor, thereby adapting to the characteristics and processing requirements of different slags.
[0014] 2. The filter plate and slag pushing mechanism of this utility model are arranged such that the dewatering roller and scraper alternately pass over the filter plate in sequence. The dewatering roller can squeeze the slag on the filter plate, thereby allowing the water inside the slag to pass through the filter plate. Then, the scraper pushes the slag on the filter plate into the slag discharge chamber.
[0015] 3. The booster mechanism of this utility model can open the solenoid valve when the slag discharge chamber is blocked, thereby allowing high-pressure gas supplied by an external gas source to clear the slag discharge chamber through the jet pipe. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of this utility model.
[0018] Figure 2 This is a cross-sectional structural diagram of the present invention.
[0019] Figure 3 This is a structural schematic diagram of the speed limiting mechanism of this utility model.
[0020] Figure 4 This is a schematic diagram of the slag pushing mechanism of this utility model.
[0021] In the picture:
[0022] 1-Compartment body, 2-Inlet, 3-Guide plate, 4-Speed limiting mechanism, 41-Extrusion roller, 42-Gear, 43-First motor, 5-Filter plate, 6-Slag pushing mechanism, 61-Rotating column, 62-Second motor, 63-Scraper, 64-Limiting column, 65-Auxiliary frame, 66-Dewatering roller, 67-Spring, 7-Liquid storage chamber, 8-Slag discharge chamber, 9-Drain pipe, 10-Slag discharge door, 11-Cylinder, 12-Boosting mechanism, 121-Transfer box, 122-Solenoid valve, 123-Air inlet pipe, 124-Air jet pipe. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0024] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", "around", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0025] Please see Figures 1 to 4 As shown, this utility model is a structure for treating leakage of the slag discharge door of a dewatered slag bin, including a bin body 1, a feed inlet 2, a guide plate 3, a speed limiting mechanism 4, a filter plate 5, a slag pushing mechanism 6, a liquid storage chamber 7, a slag discharge chamber 8, a drain pipe 9, a slag discharge door 10, a cylinder 11, and a booster mechanism 12. The feed inlet 2 is located at the upper end of the bin body 1, and the guide plate 3 is fixed inside the bin body 1 by bolts. The guide plate 3 is inclined, and a speed limiting mechanism 4 is located on the lower side of the lowest end of the guide plate 3. The speed limiting mechanism 4 is fixed to the bin body 1, and two filter plates 5 are arranged below the speed limiting mechanism 4, with the two filter plates 5 fitting together. The filter plates 5 are all bolted to the bin body 1. The inner wall is fixed, and a slag pushing mechanism 6 is provided on the upper side of the filter plate 5; a liquid storage chamber 7 is provided on the lower side of the filter plate 5, and a slag discharge chamber 8 is provided on one side of the liquid storage chamber 7; a drain pipe 9 is fixed on the lower side of the silo body 1, and one end of the drain pipe 9 is connected to the liquid storage chamber 7, and the other end of the drain pipe 9 is located on the outside of the silo body 1; a slag discharge door 10 is provided on the lower side of the slag discharge chamber 8, and the slag discharge door 10 is slidably connected to the silo body 1, and one end of the slag discharge door 10 is fixed to the silo body 1 through a cylinder 11; a boosting mechanism 12 is provided on the upper side of the slag discharge chamber 8, and the boosting mechanism 12 is fixed to the silo body 1 by bolts, and the input end of the boosting mechanism 12 is connected to an external air source.
[0026] Specifically, the speed limiting mechanism 4 includes a squeezing roller 41, a gear 42, and a first motor 43. There are two squeezing rollers 41, and they are meshed with each other by the gear 42. Both ends of the squeezing roller 41 are rotatably connected to the bin 1 through support bearings, and one end of one of the squeezing rollers 41 is fixed to the output end of the first motor 43. The base of the first motor 43 is fixed to the bin 1 by bolts. In use, the two squeezing rollers 41 can block the slag on the guide plate 3, and then the first motor 43 drives the two squeezing rollers 43 to rotate accordingly, thereby slowly guiding the slag on the guide plate 3 to the corresponding filter plate 5. In addition, the speed at which the slag falls onto the filter plate 5 can be adjusted by the rotation speed of the squeezing roller 41 driven by the first motor 43.
[0027] Specifically, the slag pushing mechanism 6 includes a rotating column 61, a second motor 62, a scraper 63, limiting columns 64, an auxiliary frame 65, a dewatering drum 66, and a spring 67. Both ends of the rotating column 61 are rotatably connected to the bin body 1 via support bearings, and one end of the rotating column 61 is fixed to the output end of the second motor 62. The base of the second motor 62 is fixed to the bin body 1 by bolts. The outer side of the rotating column 61 is respectively welded with a scraper 63 and several limiting columns 64, wherein the auxiliary frame 65 is slidably installed on the limiting columns 64. The outer side of the limiting columns 64 is covered with a sleeve. There are springs 67, which are all set between the rotating column 61 and the auxiliary frame 65. The dewatering drum 66 is rotatably mounted on the auxiliary frame 65 through the support bearing. When in use, the second motor 62 can drive the rotating column 61 to rotate, so that the dewatering drum 66 and the scraper 63 alternately pass over the corresponding filter plate 5. Under the action of the springs 67, the dewatering drum 66 can squeeze the slag on the filter plate 5, so that the water inside the slag passes through the filter plate 5, and then the scraper 63 pushes the slag out of the filter plate 5.
[0028] Specifically, the booster mechanism 12 includes a transfer box 121, a solenoid valve 122, an air inlet pipe 123, and a jet pipe 124. The transfer box 121 is fixed to the chamber 1 by bolts. The upper end of the transfer box 121 is fixed with the air inlet pipe 123 by the solenoid valve 122. The other end of the air inlet pipe 123 is connected to an external air source. The lower end of the transfer box 121 is fixed with several jet pipes 124. The other end of the jet pipes 124 is located inside the slag discharge chamber 8. When the slag discharge chamber 8 is blocked, the solenoid valve 122 can be opened, thereby allowing the high-pressure gas provided by the external air source to clear the slag discharge chamber 8 through the jet pipes 124.
[0029] Please see Figure 1-4As shown, this utility model is a structure for treating water leakage from the slag discharge gate of a dewatered slag bin. Its working principle is as follows: When in use, the slag discharged from the boiler enters the bin 1 through the feed inlet 2, and then falls onto the filter plate 5 under the action of the guide plate 3 and the speed limiting mechanism 4. Then, through the cooperation of the filter plate 5 and the slag pushing mechanism 6, the water inside the slag is squeezed into the liquid storage chamber 7 and discharged through the drain pipe 9. The dewatered slag is pushed into the slag discharge chamber 8. When it is necessary to discharge the slag, the slag discharge gate 10 can be moved away from the lower side of the slag discharge chamber 8 by the cylinder 11, so that the slag inside the slag discharge chamber 8 is discharged at the lower end of the slag discharge chamber 8. In addition, when the slag inside the slag discharge chamber 8 is blocked, the slag discharge chamber 8 can be cleared by the pusher mechanism 12.
[0030] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0031] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A structure for preventing leakage of the slag discharge gate in a dewatered slag bin, comprising a bin body (1), a feed inlet (2), a guide plate (3), a speed limiting mechanism (4), a filter plate (5), a slag pushing mechanism (6), a liquid storage chamber (7), a slag discharge chamber (8), a drain pipe (9), a slag discharge gate (10), a cylinder (11), and a booster mechanism (12), characterized in that: The upper part of the silo body (1) is provided with a feed inlet (2), and a guide plate (3) is fixed inside the silo body (1). The guide plate (3) is inclined, and a speed limiting mechanism (4) is provided on the lower side of the lowest end of the guide plate (3). The speed limiting mechanism (4) is fixed to the silo body (1), and two filter plates (5) are provided on the lower side of the speed limiting mechanism (4). The two filter plates (5) are fitted together. The filter plates (5) are all fixed to the inner wall of the silo body (1), and a slag pushing mechanism (6) is provided on the upper side of each filter plate (5). A liquid storage chamber (7) is provided on the lower side of the filter plate (5), and one side of the liquid storage chamber (7) is provided with a liquid storage chamber (7). A slag discharge chamber (8) is provided; a drain pipe (9) is fixed on the lower side of the silo body (1), one end of which is connected to the liquid storage chamber (7), and the other end of which is located outside the silo body (1); a slag discharge door (10) is provided on the lower side of the slag discharge chamber (8), wherein the slag discharge door (10) is slidably connected to the silo body (1), and one end of the slag discharge door (10) is fixed to the silo body (1) by a cylinder (11); a booster mechanism (12) is provided on the upper side of the slag discharge chamber (8), wherein the booster mechanism (12) is fixed to the silo body (1) by bolts, and the input end of the booster mechanism (12) is connected to an external air source.
2. The structure for preventing water leakage from the slag discharge gate of a dewatering slag bin as described in claim 1, characterized in that: The speed limiting mechanism (4) includes a compression roller (41), a gear (42) and a first motor (43). There are two compression rollers (41), and the compression rollers (41) are meshed with each other by the gear (42). Both ends of the compression rollers (41) are rotatably connected to the chamber (1), and one end of one of the compression rollers (41) is fixed to the output end of the first motor (43). The base of the first motor (43) is fixed to the chamber (1).
3. The structure for preventing water leakage from the slag discharge gate of a dewatering slag bin as described in claim 1, characterized in that: The slag pushing mechanism (6) includes a rotating column (61), a second motor (62), a scraper (63), a limiting column (64), an auxiliary frame (65), a dewatering drum (66), and a spring (67). Both ends of the rotating column (61) are rotatably connected to the bin body (1), and one end of the rotating column (61) is fixed to the output end of the second motor (62). The base of the second motor (62) is fixed to the bin body (1). The outer side of the rotating column (61) is respectively fixed with a scraper (63) and several limiting columns (64), wherein the auxiliary frame (65) is slidably installed on the limiting column (64). The outer side of the limiting column (64) is fitted with a spring (67), wherein the spring (67) is arranged between the rotating column (61) and the auxiliary frame (65). The dewatering drum (66) is rotatably installed on the auxiliary frame (65).
4. The structure for preventing water leakage from the slag discharge gate of a dewatering slag bin as described in claim 1, characterized in that: The booster mechanism (12) includes a transfer box (121), a solenoid valve (122), an air inlet pipe (123), and a jet pipe (124). The transfer box (121) is fixed to the silo body (1). The upper end of the transfer box (121) is fixed with an air inlet pipe (123) through the solenoid valve (122). The other end of the air inlet pipe (123) is connected to an external air source. The lower end of the transfer box (121) is fixed with several jet pipes (124). The other end of the jet pipes (124) is located inside the slag discharge chamber (8).