Air-cooled dry-type slag extractor
By designing a combined structure of material conveyor belt and auxiliary conveyor belt for the air-cooled dry slag discharge machine, and utilizing toothed rakes for turning and mixing and inclined slide plates for guidance, the problem of slag adhesion on the conveyor belt was solved, and the slag cooling efficiency was improved.
Patent Information
- Application Number
- CN202520559532.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-28
AI Technical Summary
During operation, slag tends to adhere to the surface of the conveyor belt of the air-cooled dry slag discharge machine, making it impossible for it to fall off at the unloading point. Furthermore, it accumulates during the conveying process, resulting in reduced cooling efficiency.
A wind-cooled dry slag discharge machine was designed, which adopts a combination structure of material conveyor belt and auxiliary conveyor belt. The slag is turned and stirred by toothed rakes to enhance the contact between the slag and cold air, and the slag is guided to fall onto the conveyor belt by inclined slide plates to avoid adhesion.
It improves the slag cooling efficiency, prevents slag from adhering to the conveyor belt surface, and enhances the cooling effect.
Smart Images

Figure CN223924851U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a slag extractor technical field, concretely is a kind of air-cooled dry slag extractor. BACKGROUND
[0002] Air-cooled dry slag extractor is a kind of equipment for high-temperature slag cooling and conveying, belongs to the core equipment of dry slag removal system, it is widely used in the place needing to handle high-temperature slag, such as thermal power plant, air-cooled dry slag extractor can effectively cool and convey slag under no water consumption, is applicable to the boiler slag removal demand under various working conditions.
[0003] The gradually cooled slag of current air-cooled dry slag extractor is easy to adhere to the surface of conveying belt and cannot drop at unloading place in the process of operation, and it is easy to drop below conveying belt along with the operation of conveying belt, while slag is accumulated on conveying belt in the process of conveying, internal slag cannot be fully contacted with cold air, so the efficiency of slag cooling is reduced, therefore, we propose a kind of air-cooled dry slag extractor. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of air-cooled dry slag extractor, with the advantage that it can be stirred in the process of slag cooling and conveying, facilitate the full contact of slag and cold air, improve the efficiency of slag cooling, and avoid the gradual cooling of slag adhering to the surface of material conveying belt, solve the problem that the gradually cooled slag of current air-cooled dry slag extractor is easy to adhere to the surface of conveying belt and cannot drop at unloading place in the process of operation, and it is easy to drop below conveying belt along with the operation of conveying belt, while slag is accumulated on conveying belt in the process of conveying, internal slag cannot be fully contacted with cold air, so the efficiency of slag cooling is reduced.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of air-cooled dry slag extractor, including shell, the first driving roller and the first driven roller are respectively rotationally installed at the position of the lower surface two sides inside the shell, and the first driving roller and the first driven roller are drivenly connected by material conveying belt, the second driving roller and the second driven roller are respectively rotationally installed at the position above the first driving roller and the first driven roller inside the shell, and the second driving roller and the second driven roller are drivenly connected by auxiliary conveying belt, the outer surface of the auxiliary conveying belt is equidistantly fixed with a plurality of tooth harrows, the one end of the first driving roller and the second driving roller close to the front surface of shell is respectively fixedly connected with large pulley and small pulley, and large pulley and small pulley are drivenly connected by belt.
[0006] Preferably, the rear surface of the shell is fixedly installed with rotating motor, the output shaft end of the rotating motor is fixedly connected with the one end of the first driving roller close to the rear surface of shell, and the rotating motor drives the first driving roller to rotate.
[0007] Preferably, the outer surface of the shell is fixedly connected with a chute on the side of the position above the material conveying belt, the end of the chute is fixedly connected with a slag inlet, the side of the outer surface of the shell away from the slag inlet is provided with a discharge port near the lower surface position, the slag enters the inside of the shell through the slag inlet and the chute, and falls on the material conveying belt, the material conveying belt conveys the slag, and the discharge port unloads.
[0008] Preferably, the upper surface of the shell is fixedly connected with a cold air pipe on the side close to the slag inlet, cooling air enters the inside of the shell through the cold air pipe to take away the heat of the slag on the material conveying belt, so that the slag is cooled.
[0009] Preferably, the inside of the shell is fixedly installed with an inclined slide plate between the material conveying belt and the chute, the inclined slide plate plays a guiding role when the slag falls from the inside of the chute, so that the slag can better fall on the material conveying belt.
[0010] Preferably, the front surface of the shell is rotatably installed with a tension pulley on both sides of the position of the belt, so that the belt is in a tension state, and the wrap angle of the large pulley and the large pulley relative to the belt is increased, which is beneficial to transmission.
[0011] Preferably, a plurality of supporting rollers are rotatably installed at equal intervals in the inside of the shell, and the supporting rollers are located in the inside of the material conveying belt and play a supporting role for the slag on the material conveying belt.
[0012] Compared with the prior art, the utility model has the advantages that:
[0013] 1、The utility model discloses a shell, material conveying belt, first driving roller, first driven roller, auxiliary conveying belt, tooth harrow, second driving roller, second driven roller, small pulley, large pulley and belt are set up, reach in the process of slag cooling and conveying can be to its stirring, be favorable to the full contact of slag and cold air, improve the slag cooling efficiency, and avoid the effect that the slag adheres to the surface of material conveying belt when gradually cooling, first driving roller brings material conveying belt rotation to conveying slag, and first driving roller drives second driving roller to rotate through large pulley, belt and small pulley to drive auxiliary conveying belt rotation, and the rotational speed of auxiliary conveying belt is greater than material conveying belt, and then the tooth harrow on auxiliary conveying belt stirs the slag on material conveying belt to make the slag accumulated on material conveying belt better and cold air contact, improve the slag cooling efficiency, and avoid the slag adhering to the surface of material conveying belt when gradually cooling.
[0014] 2、The utility model discloses a inclined slide plate, and when the slag falls from the inside of the chute, the inclined slide plate plays a guiding role, so that the slag can better fall on the material conveying belt.
[0015] 3、 The utility model discloses a tensioning wheel is set up, can make the belt be in the tensioned state, increase the wrap angle of both big pulley and big pulley relative to the belt simultaneously, is favorable to the transmission. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0017] Figure 2 It is the main view structure schematic diagram of the utility model;
[0018] Figure 3 It is the main section view structure schematic diagram of the utility model;
[0019] Figure 4 It is the rear view structure schematic diagram of the utility model.
[0020] Reference Signs: 1, shell, 2, chute, 3, the residue hopper, 4, cold air pipe, 5, small pulley, 6, tensioning wheel, 7, belt, 8, big pulley, 9, first driven roller, 10, material conveying belt, 11, support roller, 12, first driving roller, 13, inclined slide plate, 14, second driving roller, 15, auxiliary conveying belt, 16, tooth harrow, 17, second driven roller, 18, discharge port, 19, rotating motor. DETAILED DESCRIPTION
[0021] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.
[0022] Embodiment one
[0023] As Figures 1-4 Indicated, the utility model discloses a kind of air-cooled dry type slag discharge machines, including shell 1, first driving roller 12 and first driven roller 9 are rotatably installed respectively at the position of both sides near lower surface inside shell 1, and first driving roller 12 and first driven roller 9 are drivenly connected by material conveying belt 10 between, chute 2 is fixedly connected with the residue hopper 3 at the position of one side of shell 1 outer surface above material conveying belt 10, the residue hopper 3 is fixedly connected with the end of chute 2, discharge port 18 is provided at the position of one side of shell 1 outer surface away from residue hopper 3 near lower surface, furnace slag is entered into the inside of shell 1 by residue hopper 3 and chute 2, and falls on material conveying belt 10, is conveyed to furnace slag by material conveying belt 10, and is unloaded at discharge port 18.
[0024] The outer shell 1 upper surface is fixedly connected with a cold air pipe 4 near one side of the slag feeding hopper 3, cooling air enters the inside of the outer shell 1 through the cold air pipe 4 and takes away the heat of the slag, so that the slag is cooled during conveying, a plurality of supporting rollers 11 are equidistantly rotatably installed in the inside of the outer shell 1, and the supporting rollers 11 are located in the inside of the material conveying belt 10, the supporting rollers 11 support the slag on the material conveying belt 10, a second driving roller 14 and a second driven roller 17 are rotatably installed above the first driving roller 12 and the first driven roller 9 respectively in the inside of the outer shell 1, and the second driving roller 14 and the second driven roller 17 are drivingly connected through an auxiliary conveying belt 15, a plurality of tooth rakes 16 are equidistantly fixedly installed on the outer surface of the auxiliary conveying belt 15, the slag on the material conveying belt 10 can be turned and stirred by the tooth rakes 16 during the rotation of the auxiliary conveying belt 15, so that the slag and the cooling air are fully contacted, the efficiency of the slag is improved, and the slag is prevented from adhering to the surface of the material conveying belt 10 during cooling, one end of the first driving roller 12 and the second driving roller 14 near the front surface of the outer shell 1 is fixedly connected with a large pulley 8 and a small pulley 5 respectively, and the large pulley 8 and the small pulley 5 are drivingly connected through a belt 7, a rotating motor 19 is fixedly installed on the rear surface of the outer shell 1, and one end of the output shaft of the rotating motor 19 near the rear surface of the outer shell 1 is fixedly connected with the first driving roller 12.
[0025] In use, the slag enters the inside of the outer shell 1 through the slag feeding hopper 3 and the chute 2 and falls on the material conveying belt 10, the slag is conveyed by the material conveying belt 10, cooling air enters the inside of the outer shell 1 through the cold air pipe 4 and takes away the heat of the slag, so that the slag is cooled during conveying, the second driving roller 14 is driven to rotate by the first driving roller 12 through the large pulley 8, the belt 7 and the small pulley 5, so as to drive the auxiliary conveying belt 15 to rotate, and the rotating speed of the auxiliary conveying belt 15 is greater than that of the material conveying belt 10, so that the tooth rakes 16 on the auxiliary conveying belt 15 turn and stir the slag on the material conveying belt 10, so that the slag accumulated on the material conveying belt 10 can better contact the cooling air, the cooling efficiency of the slag is improved, and the slag is prevented from adhering to the surface of the material conveying belt 10 during gradual cooling, and the cooled slag is unloaded at the discharge port 18.
[0026] Embodiment two
[0027] As Figures 1-3 shown, the air-cooled dry-type slag discharger further comprises an inclined sliding plate 13 fixedly installed between the material conveying belt 10 and the chute 2 in the inside of the outer shell 1, and a tension pulley 6 is rotatably installed on both sides of the belt 7 on the front surface of the outer shell 1, the tension pulley 6 can keep the belt 7 in a tensioned state, and the wrap angles of the small pulley 5 and the large pulley 8 relative to the belt 7 are increased, which is beneficial to transmission.
[0028] In this embodiment, the inclined slide plate 13 plays a guiding role when the slag falls from the inside of the slide pipe 2, so that the slag can better fall on the material conveying belt 10.
[0029] The above specific embodiments are only several preferred embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.
Claims
1. A wind-cooled dry slag discharge machine, comprising a casing (1), characterized in that: Inside the outer casing (1), a first active roller (12) and a first driven roller (9) are rotatably mounted on both sides near the lower surface, and the first active roller (12) and the first driven roller (9) are connected by a material conveyor belt (10). Inside the outer casing (1), above the first active roller (12) and the first driven roller (9), a second active roller (14) and a second driven roller (17) are rotatably mounted, and the second active roller (14) and the second driven roller (17) are connected by an auxiliary conveyor belt (15). Several toothed rakes (16) are fixedly mounted at equal intervals on the outer surface of the auxiliary conveyor belt (15). A large pulley (8) and a small pulley (5) are fixedly connected to one end of the first active roller (12) and the second active roller (14) near the front surface of the outer casing (1), and the large pulley (8) and the small pulley (5) are connected by a belt (7).
2. The air-cooled dry slag discharge machine according to claim 1, characterized in that: A rotating motor (19) is fixedly installed on the rear surface of the outer shell (1), and the end of the output shaft of the rotating motor (19) is fixedly connected to one end of the first active roller (12) near the rear surface of the outer shell (1).
3. The air-cooled dry slag discharge machine according to claim 1, characterized in that: A chute (2) is fixedly connected to one side of the outer surface of the outer shell (1) above the material conveyor belt (10). A slag inlet hopper (3) is fixedly connected to the end of the chute (2). A discharge port (18) is provided on the side of the outer surface of the outer shell (1) away from the slag inlet hopper (3) near the lower surface.
4. The air-cooled dry slag discharge machine according to claim 3, characterized in that: A cold air pipe (4) is fixedly connected to the upper surface of the outer shell (1) on the side near the slag inlet hopper (3).
5. The air-cooled dry slag discharge machine according to claim 3, characterized in that: An inclined slide plate (13) is fixedly installed inside the outer shell (1) between the material conveyor belt (10) and the chute (2).
6. The air-cooled dry slag discharge machine according to claim 1, characterized in that: Tensioning wheels (6) are rotatably mounted on the front surface of the outer casing (1) at both sides of the belt (7).
7. The air-cooled dry slag discharge machine according to claim 1, characterized in that: The outer shell (1) has several support rollers (11) that are equidistantly rotatably installed inside, and the support rollers (11) are located inside the material conveyor belt (10).