Fly ash melting feeding pretreatment device
By using a fly ash melting feed pretreatment device for crushing and drying, the problems of uneven fly ash particles and high moisture content are solved, thus improving melting efficiency.
Patent Information
- Application Number
- CN202423253223.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2034-12-28
AI Technical Summary
In the existing fly ash melting process, uneven crushing of fly ash particles or high internal moisture content affects melting efficiency.
A fly ash melting and feeding pretreatment device is adopted, including a conveying cylinder, a rotating rod, conveying blades, a stirring plate, a heating and drying tube, and a crushing roller. The rotating rod and crushing roller are driven by a motor to carry out crushing and drying treatment.
It improves the uniformity of fly ash particles, reduces humidity, promotes rapid heating and full reaction, and enhances melting efficiency.
Smart Images

Figure CN223896517U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fly ash processing technical field especially relates to a fly ash melting feed pretreatment device. BACKGROUND
[0002] Fly ash melting is mainly based on high temperature physical and chemical reaction principle. Garbage incineration fly ash contains various components, such as silicon dioxide, aluminum oxide, calcium oxide and so on, and heavy metals such as lead, cadmium, mercury. Under high temperature conditions, the mineral in fly ash melts to form a liquid phase. Heavy metals are partially volatilized under high temperature, and are collected through the tail gas treatment system. The heavy metals that are not volatilized are wrapped in the glass structure, thereby realizing the stabilization of fly ash. After melting, the volume of fly ash is greatly reduced, realizing the reduction. At the same time, since the heavy metals are fixed in the glass body, the leaching toxicity is significantly reduced, achieving the purpose of harmless.
[0003] The existing fly ash melting is not conducive to the rapid heating and full reaction of fly ash in the melting furnace during the melting process, and thus the melting efficiency is easily affected. Therefore, a fly ash melting feed pretreatment device is needed to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a fly ash melting feed pretreatment device to solve the problem that the fly ash melting in the prior art is not conducive to the rapid heating and full reaction of fly ash in the melting furnace during the melting process, and thus the melting efficiency is easily affected.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a fly ash melting feed pretreatment device, comprising a conveying cylinder, a rotating rod is arranged in the conveying cylinder, a conveying blade is sleeved and fixedly connected to the surface of the rotating rod, a stirring plate is fixedly connected to the surface of the rotating rod and between the conveying blades, one end of the rotating rod penetrates through the conveying cylinder and is rotatably connected with the bearing thereof, an arc cover is fixedly connected to the top of the conveying cylinder, an arc groove is formed in the inner wall of the top of the conveying cylinder and located at the arc cover, heating and drying pipes are fixedly installed in the arc groove at equal intervals, a feed ring plate is fixedly and communicated to the top of the conveying cylinder and close to one end, two rotating rods are arranged in the feed ring plate, and a crushing roller is sleeved and fixedly connected to the surface of the rotating rod.
[0006] Preferably, support legs are fixedly connected to the bottom of the conveying cylinder and close to both ends, and the support legs are trapezoidal.
[0007] Preferably, a first motor is fixedly connected to one end of the conveying cylinder, and the output end of the first motor is fixedly connected with one end of the rotating rod.
[0008] Preferably, the inner part of the arc groove is fixedly connected with a heat-conducting arc plate close to the bottom.
[0009] Preferably, the two ends of the rotating rod are penetratingly connected with the feeding ring plate and rotatably connected with the bearing of the feeding ring plate, one end of the rotating rod is fixedly connected with a gear, the gears are meshingly connected with each other, one side wall of the feeding ring plate is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with one end of the rotating rod.
[0010] Preferably, the two side inner walls of the feeding ring plate are fixedly connected with an inclined plate above the crushing roller.
[0011] Compared with the prior art, the fly ash melting feeding pretreatment device has the advantages and positive effects that,
[0012] 1、In the utility model, the second motor drives the rotating rod to rotate, the rotating rod can drive the crushing roller to rotate, the crushing roller can crush the fly ash, and the uniformity of fly ash particles can be improved, so that the melting efficiency can be improved.
[0013] 2、In the utility model, the first motor drives the rotating rod to rotate, the rotating rod can drive the conveying blade to rotate, the conveying blade can convey the fly ash, the fly ash can be dried by the heating drying pipe during the conveying process, the humidity of the fly ash can be reduced, and the rotating rod can also drive the stirring plate to rotate during the rotating process, the fly ash can be stirred by the stirring plate, and the drying efficiency can be improved. ACCURACY
[0014] Figure 1 An overall structure perspective view of the fly ash melting feeding pretreatment device is provided for the utility model;
[0015] Figure 2 An overall structure horizontal sectional view of the fly ash melting feeding pretreatment device is provided for the utility model;
[0016] Figure 3 An overall structure vertical sectional view of the fly ash melting feeding pretreatment device is provided for the utility model;
[0017] Figure 4 A partial structure sectional view of the fly ash melting feeding pretreatment device is provided for the utility model.
[0018] Legend: 1, conveying cylinder; 2, supporting leg; 3, rotating rod; 4, conveying blade; 5, stirring plate; 6, first motor; 7, arc cover; 8, arc groove; 9, heating drying pipe; 10, heat-conducting arc plate; 11, feeding ring plate; 12, rotating rod; 13, crushing roller; 14, inclined plate; 15, second motor; 16, gear. DETAILED DESCRIPTION
[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0021] Example 1, as Figures 1-4 As shown, this utility model provides a fly ash melting and feeding pretreatment device, including a conveying cylinder 1. A rotating rod 3 is provided inside the conveying cylinder 1. Conveying blades 4 are sleeved and fixedly connected to the surface of the rotating rod 3. A stirring plate 5 is fixedly connected to the surface of the rotating rod 3 and between the conveying blades 4. One end of the rotating rod 3 passes through the conveying cylinder 1 and is rotatably connected to its bearing. This allows the rotating rod 3 to rotate, driving the conveying blades 4 to rotate, which in turn moves the fly ash. Simultaneously, the rotating rod 3 also drives the stirring plate 5 to rotate. The top of the conveying cylinder 1 is fixedly... An arc cover 7 is fixedly connected to the top inner wall of the conveying cylinder 1, and an arc groove 8 is opened at the arc cover 7. Heating and drying pipes 9 are fixedly installed at equal intervals inside the arc groove 8, which can heat the inside of the conveying cylinder 1. A feed ring plate 11 is fixed and connected to the top of the conveying cylinder 1 near one end. Two rotating rods 12 are provided inside the feed ring plate 11. Crushing rollers 13 are sleeved and fixedly connected to the surface of the rotating rods 12, which can drive the crushing rollers 13 to rotate and crush fly ash.
[0022] Example 2, as Figures 1-4As shown, support legs 2 are fixedly connected to the bottom and near both ends of the conveying cylinder 1. The support legs 2 are trapezoidal and can support the bottom of the conveying cylinder 1. A first motor 6 is fixedly connected to one end of the conveying cylinder 1. The output end of the first motor 6 is fixedly connected to one end of the rotating rod 3, which can drive the rotating rod 3 to rotate. A heat-conducting arc plate 10 is fixedly connected to the inside of the arc groove 8 near the bottom, which can conduct heat and isolate the material. Both ends of the rotating rod 12 pass through the feed ring plate 11 and are rotatably connected to its bearings. A gear 1 is fixedly connected to one end of the rotating rod 12. 6. Gears 16 mesh with each other. A second motor 15 is fixedly connected to one side wall of the feed ring plate 11. The output end of the second motor 15 is fixedly connected to one end of one of the rotating rods 12, which can make the second motor 15 drive the rotating rod 12 to rotate. The rotation of the rotating rod 12 can drive the gear 16 to rotate. The rotation of the gear 16 can drive the other gear 16 to rotate. The rotation of the gear 16 can drive the other rotating rod 12 to rotate. Inclined plates 14 are fixedly connected to both sides of the inner wall of the feed ring plate 11 and located on the crushing roller 13, which can make fly ash enter between the crushing rollers 13.
[0023] Working principle: Fly ash is poured into the feed ring plate 11. The second motor 15 drives the rotating rod 12 to rotate, which in turn drives the gear 16 to rotate. The gear 16 in turn drives another gear 16 to rotate, which in turn drives another rotating rod 12 to rotate. The rotation of the two rotating rods 12 drives the crushing roller 13 to rotate, thus crushing the fly ash. At the same time, the first motor 6 drives the rotating rod 3 to rotate, which in turn drives the conveying blades 4 to rotate. The conveying blades 4 convey the fly ash, and during the conveying process, the fly ash is dried through the heating drying pipe 9, which reduces the moisture content of the fly ash. The rotation of the rotating rod 3 also drives the stirring plate 5 to rotate, which stirs the fly ash and improves the drying efficiency.
[0024] The wiring diagrams of the first motor 6, the heating and drying tube 9, and the second motor 15 in this utility model are common knowledge in the field. Their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control method and wiring arrangement of the first motor 6, the heating and drying tube 9, and the second motor 15 will not be explained in detail.
[0025] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A fly ash melting feed pretreatment device, comprising a conveying cylinder (1), characterized in that: The conveying cylinder (1) is provided with a rotating rod (3) inside. The surface of the rotating rod (3) is fitted with and fixedly connected to a conveying blade (4). The surface of the rotating rod (3) and between the conveying blades (4) are fixedly connected to a stirring plate (5). One end of the rotating rod (3) passes through the conveying cylinder (1) and is rotatably connected to its bearing. The top of the conveying cylinder (1) is fixedly connected to an arc cover (7). The inner wall of the top of the conveying cylinder (1) and at the arc cover (7) is provided with an arc groove (8). The interior of the arc groove (8) is fixedly installed with heating and drying tubes (9) at equal intervals. The top of the conveying cylinder (1) and near one end is fixedly connected to a feeding ring plate (11). The interior of the feeding ring plate (11) is provided with two rotating rods (12). The surface of the rotating rods (12) is fitted with and fixedly connected to a crushing roller (13).
2. The fly ash melting feed pretreatment device according to claim 1, characterized in that: The bottom of the conveying cylinder (1) and near both ends are fixedly connected to support legs (2), and the support legs (2) are trapezoidal.
3. The fly ash melting feed pretreatment device according to claim 1, characterized in that: One end of the conveying cylinder (1) is fixedly connected to a first motor (6), and the output end of the first motor (6) is fixedly connected to one end of the rotating rod (3).
4. The fly ash melting feed pretreatment device according to claim 1, characterized in that: A heat-conducting arc plate (10) is fixedly connected inside the arc groove (8) and near the bottom.
5. The fly ash melting feed pretreatment device according to claim 1, characterized in that: Both ends of the rotating rod (12) pass through the feed ring plate (11) and are rotatably connected to its bearing. One end of the rotating rod (12) is fixedly connected to a gear (16), and the gears (16) mesh with each other. A second motor (15) is fixedly connected to one side wall of the feed ring plate (11), and the output end of the second motor (15) is fixedly connected to one end of one of the rotating rods (12).
6. The fly ash melting feed pretreatment device according to claim 1, characterized in that: Inclined plates (14) are fixedly connected to both inner walls of the feed ring plate (11) and to the crushing roller (13).