Fly ash melting vitrification pretreatment system

Abstract

The utility model relates to the technical field of fly ash pretreatment, and discloses a fly ash melting vitrification pretreatment system which comprises a tank body, supporting legs used for supporting are fixedly installed on the outer side of the bottom of the tank body, a feeding hopper is arranged on the top side of the tank body, and a discharging pipe is fixedly communicated with the center of the bottom of the tank body. A mounting seat is fixedly mounted in the center of the top of the tank body, a servo motor is fixedly mounted in the mounting seat, a material mixing and stirring assembly for improving the material mixing and stirring uniformity is arranged in the tank body, and the servo motor is used for driving the material mixing and stirring assembly to work; according to the fly ash melting vitrification pretreatment system, a limiting strip plays a limiting and guiding role on a connecting seat in a limiting groove, so that when a rotating rod rotates, a stirring rod on the outer side of the connecting seat synchronously rotates along with the rotating rod, then material mixing and stirring can be performed, meanwhile, a counterweight ball shakes under the action of centrifugal force, and the stirring effect is improved. Furthermore, the local stirring effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fly ash pretreatment technical field, concretely is a kind of fly ash melting vitrification pretreatment system. BACKGROUND

[0002] Garbage incineration can produce a large amount of fly ash, which is the powdery particulate matter collected after the garbage incineration flue gas is purified by a bag-type dust collector, and is the inevitable product of garbage incineration. The main components of fly ash are oxides containing Si, Ca, Al and Fe, as well as calcium salt, etc., and also contain a large amount of heavy metals and highly toxic organic matter such as dioxin and furan adsorbed by activated carbon. Fly ash is a dangerous waste with extremely complex composition, and thus needs to be treated before being discharged.

[0003] As disclosed in a fly ash melting vitrification pretreatment system with publication number CN217265450U, the system includes a mixing unit provided with a fly ash inlet, a leachate concentrate inlet, a binder inlet, a complexing agent inlet and a mixed material outlet. The mixing unit is provided with a stirrer. The leachate concentrate storage unit is provided with a leachate concentrate outlet connected to the leachate concentrate inlet of the mixing unit. The fly ash outlet of the fly ash storage unit is connected to the fly ash inlet of the mixing unit. The complexing agent outlet of the complexing agent storage unit is connected to the complexing agent inlet of the mixing unit. The binder outlet of the binder storage unit is connected to the binder inlet of the mixing unit. The forming unit is provided with a mixed material inlet and a formed material outlet. The mixed material inlet is connected to the mixed material outlet of the mixing unit. The drying unit is provided with a formed material inlet and a dried formed material outlet. The formed material inlet is connected to the formed material outlet of the forming unit. The system can produce fly ash forming products that meet the requirements.

[0004] During the implementation of the application, the inventors found that the above technical solution can meet the requirements of subsequent fly ash melting vitrification treatment, but during the mixing and stirring stage, the mixing and stirring are not uniform, which can affect the subsequent treatment effect, and fly ash residues can easily adhere to the inner wall of the stirring tank, which is not convenient to clean. Therefore, further improvement can be made. UTILITY MODEL CONTENTS

[0005] To solve the above-mentioned problems, the utility model provides the following technical scheme: a fly ash melting vitrification pretreatment system, including tank body, the bottom outside of tank body is fixedly installed with the support leg for supporting, the top side of tank body is equipped with feeding hopper, the bottom center of tank body is fixedly connected with discharge pipe, the top center of tank body is fixedly installed with mounting seat, the inside of mounting seat is fixedly installed with servo motor, the inside of tank body is provided with mixing and stirring assembly for improving mixing and stirring uniformity, and the servo motor is used to drive mixing and stirring assembly to work.

[0006] As optimization, the mixing stirring assembly comprises a rotating rod fixedly installed at the bottom end of the output shaft of the servo motor, a connecting seat is arranged on the outer side of the rotating rod, four stirring rods are fixedly installed in an array on the outer side of the connecting seat, elastic rods are fixedly installed at the end portions of the two side-symmetrical stirring rods, and counterweight balls are fixedly installed at the end portions of the elastic rods.

[0007] As optimization, the other two side-symmetrical stirring rods are provided with movable holes, elastic members are arranged in the movable holes, and scrapers are fixedly connected to one side of the end portions of the stirring rods through the elastic members and abut against the inner wall of the tank.

[0008] As optimization, the elastic members comprise plug rods slidingly inserted into the movable holes, and springs are fixedly installed between the plug rods and the bottom walls of the movable holes.

[0009] As optimization, the scrapers are in the shape of isosceles trapezoids in cross section, and one side of the top edges of the scrapers abut against the inner wall of the tank.

[0010] As optimization, a limiting strip is fixedly installed on the outer side of the rotating rod, a limiting groove is formed in the inner wall of the connecting seat corresponding to the limiting strip, and the connecting seat is slidingly sleeved on the outer side of the limiting strip through the limiting groove.

[0011] As optimization, fixed discs are fixedly installed on the outer side of the rotating rod and on the upper and lower sides of the connecting seat, springs are fixedly installed on one side of the fixed discs close to the connecting seat, sleeves are fixedly installed on one side of the springs close to the connecting seat, the sleeves are slidingly sleeved on the outer side of the rotating rod, and the connecting seat is fixedly installed between the upper and lower sleeves.

[0012] The fly ash melting and glassification pretreatment system has the following beneficial effects:

[0013] 1. The fly ash melting and glassification pretreatment system has the following beneficial effects:

[0014] 2. The fly ash melting and glassification pretreatment system has the following beneficial effects:

[0015] 3. The fly ash melting and vitrification pretreatment system uses the elasticity of the spring to make the insert rod tend to move outward, thus ensuring that the scraper is always pressed against the inner wall of the tank. As the stirring rod rotates, it will drive the scraper to rotate along the inner wall of the tank, thereby scraping off the residue attached to the inner wall of the tank, which is convenient for cleaning. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the mixing and stirring structure of this utility model;

[0018] Figure 3 This utility model Figure 2 Enlarged schematic diagram of a local structure at point A;

[0019] Figure 4 This is a schematic diagram of the small vertical movement structure of this utility model.

[0020] In the diagram: 1. Tank body; 2. Support leg; 3. Discharge pipe; 4. Mounting base; 5. Servo motor; 6. Mixing and stirring assembly; 7. Rotating rod; 8. Connecting seat; 9. Stirring rod; 10. Scraper; 11. Counterweight ball; 12. Insert rod; 13. Spring 1; 14. Limiting strip; 15. Limiting groove; 16. Fixing plate; 17. Spring 2; 18. Collar. Detailed Implementation

[0021] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and are not intended to indicate or imply that the device or element 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 application.

[0022] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1The utility model relates to a fly ash melts vitrification pretreatment system, including the jar body 1, the bottom outside of jar body 1 is fixedly installed for supporting the supporting leg 2, the top side of jar body 1 is equipped with the feed hopper, the bottom center of jar body 1 is fixedly connected with the discharge pipe 3, the top center of jar body 1 is fixedly installed with the mounting seat 4, the inside of mounting seat 4 is fixedly installed with servo motor 5, the inside of jar body 1 is provided with the mixing and stirring assembly 6 for improving the mixing and stirring uniformity, and servo motor 5 is used to drive mixing and stirring assembly 6 work;

[0024] Please refer to Figures 2-3 Mixing and stirring assembly 6 includes the rotating rod 7 fixedly installed at the bottom end of servo motor 5 output shaft, the outside of rotating rod 7 is provided with the connecting seat 8, four stirring rods 9 are fixedly installed in array on the outside of connecting seat 8, the end of two sides symmetrical stirring rod 9 is fixedly installed with the elastic rod, the end of elastic rod is fixedly installed with the counterweight ball 11, by starting servo motor 5 to drive rotating rod 7 rotation, in turn will drive stirring rod 9 rotation and mix and stir, and will drive counterweight ball 11 to shake under the action of centrifugal force, further improve the stirring effect;

[0025] Please refer to Figures 2-3 In addition, the inside of two sides symmetrical stirring rod 9 is provided with the movable hole, the movable hole is provided with the elastic element, the end of stirring rod 9 is fixedly connected with the scraper 10 through the elastic element, the cross section of scraper 10 is isosceles trapezoidal shape, and its top side abuts at the inner wall of jar body 1, by the rotation of stirring rod 9 will drive scraper 10 to rotate along the inner wall of jar body 1, in turn will scrape the residue adhered in the inner wall of jar body 1, and it is convenient to clean up;

[0026] Please refer to Figures 2-3 Elastic element includes the plug rod 12 of sliding insertion in movable hole, spring one 13 is fixedly installed between plug rod 12 and movable hole bottom wall, by the elastic force of spring one 13, plug rod 12 has the tendency of going out, in turn can guarantee that scraper 10 always abuts at the inner wall of jar body 1

[0027] Please refer to Figures 3-4 The outside of rotating rod 7 is fixedly installed with the limiting strip 14, the inner wall of connecting seat 8 is provided with the limiting slot 15 corresponding to limiting strip 14, and connecting seat 8 is slidably arranged on the outside of limiting strip 14 through limiting slot 15, limiting strip 14 is located in limiting slot 15, plays the limiting guide effect of connecting seat 8, so that connecting seat 8 can rotate with rotating rod 7, and will not affect its up and down movement;

[0028] Please refer to Figures 3-4The outer side of the rotating rod 7 and the upper and lower sides of the connecting seat 8 are fixedly provided with a fixed disc 16, the side close to the connecting seat 8 of the fixed disc 16 is fixedly provided with a spring 17, the side close to the connecting seat 8 of the spring 17 is fixedly provided with a sleeve ring 18, the sleeve ring 18 is slidably arranged on the outer side of the rotating rod 7, the connecting seat 8 is fixedly arranged between the upper and lower sleeve rings 18, and the connecting seat 8 is slightly moved up and down by the centrifugal force of the counterweight ball 11, so that the two springs 17 on the two sides are stretched and compressed, the movement range of the connecting seat 8 is increased, the stirring rod 9 can also move up and down in a small range during rotation and stirring, the stirring effect is further improved, and the stirring and mixing are more uniform.

[0029] In use, the rotating rod 7 is driven to rotate by starting the servo motor 5, the connecting seat 8 is limited and guided by the limiting strip 14 in the limiting groove 15, so that the stirring rod 9 on the outer side of the connecting seat 8 is synchronously rotated with the rotating rod 7, and then the mixing and stirring can be performed, and the counterweight ball 11 is shaken under the action of the centrifugal force, so that the stirring effect is improved locally.

[0030] At the same time, the connecting seat 8 is slightly moved up and down by the centrifugal force of the counterweight ball 11, so that the two springs 17 on the two sides are stretched and compressed, the movement range of the connecting seat 8 is increased, the stirring rod 9 can also move up and down in a small range during rotation and stirring, the stirring effect is further improved, and the stirring and mixing are more uniform.

[0031] The spring 13 has a tendency to move outward, so that the scraper 10 is always pressed against the inner wall of the tank 1, and the scraper 10 is rotated along the inner wall of the tank 1 when the stirring rod 9 rotates, so that the residues attached to the inner wall of the tank 1 are scraped off, and the cleaning is facilitated.

[0032] In summary, the fly ash melting and glassification pretreatment system is limited and guided by the limiting strip 14 in the limiting groove 15, so that the stirring rod 9 on the outer side of the connecting seat 8 is synchronously rotated with the rotating rod 7 when the rotating rod 7 rotates, and then the mixing and stirring can be performed, and the counterweight ball 11 is shaken under the action of the centrifugal force, so that the stirring effect is improved locally.

[0033] The connecting seat 8 is slightly moved up and down by the centrifugal force of the counterweight ball 11, so that the two springs 17 on the two sides are stretched and compressed, the movement range of the connecting seat 8 is increased, the stirring rod 9 can also move up and down in a small range during rotation and stirring, the stirring effect is further improved, and the stirring and mixing are more uniform.

[0034] The spring 13 has an elastic force effect, so that the inserting rod 12 has an outward tendency, thereby ensuring that the scraper 10 is always against the inner wall of the tank body 1, and along with the rotation of the stirring rod 9, the scraper 10 is driven to rotate along the inner wall of the tank body 1, thereby scraping off the residues attached to the inner wall of the tank body 1, and facilitating the cleaning.

[0035] In the description of the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "link", "fixing" should be understood broadly, for example, can be fixed connection, or can be detachable connection, or be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through intermediate medium, can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings.

[0037] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A fly ash melting and vitrification pretreatment system, comprising a tank (1), characterized in that: The bottom outer side of the tank (1) is fixedly installed with a support leg (2), the top side of the tank (1) is provided with a feed hopper, the bottom center of the tank (1) is fixedly connected with a discharge pipe (3), the top center of the tank (1) is fixedly installed with a mounting base (4), the inside of the mounting base (4) is fixedly installed with a servo motor (5), the inside of the tank (1) is provided with a mixing and stirring assembly (6) for improving the uniformity of mixing, and the servo motor (5) is used to drive the mixing and stirring assembly (6) to work.

2. The fly ash melting and vitrification pretreatment system according to claim 1, characterized in that: The mixing assembly (6) includes a rotating rod (7) fixedly installed at the bottom of the output shaft of the servo motor (5). A connecting seat (8) is provided on the outside of the rotating rod (7). Four stirring rods (9) are fixedly installed in an array on the outside of the connecting seat (8). Elastic rods are fixedly installed at the ends of the symmetrical stirring rods (9) on both sides. A counterweight ball (11) is fixedly installed at the end of the elastic rod.

3. The fly ash melting and vitrification pretreatment system according to claim 2, characterized in that: In addition, there are movable holes in the two symmetrical stirring rods (9), and elastic elements are provided in the movable holes. A scraper (10) is fixedly connected to one end of the stirring rod (9) through the elastic element, and the scraper (10) abuts against the inner wall of the tank (1).

4. The fly ash melting and vitrification pretreatment system according to claim 3, characterized in that: The elastic element includes a rod (12) that is slidably inserted into the movable hole, and a spring (13) is fixedly installed between the rod (12) and the bottom wall of the movable hole.

5. The fly ash melting and vitrification pretreatment system according to claim 3, characterized in that: The scraper (10) has an isosceles trapezoidal cross-section, and one of its top edges abuts against the inner wall of the tank (1).

6. The fly ash melting and vitrification pretreatment system according to claim 2, characterized in that: A limiting strip (14) is fixedly installed on the outer side of the rotating rod (7), and a limiting groove (15) is opened on the inner wall of the connecting seat (8) corresponding to the limiting strip (14), and the connecting seat (8) is slidably sleeved on the outer side of the limiting strip (14) through the limiting groove (15).

7. The fly ash melting and vitrification pretreatment system according to claim 6, characterized in that: A fixing plate (16) is fixedly installed on the outside of the rotating rod (7) and on the upper and lower sides of the connecting seat (8). A spring (17) is fixedly installed on the side of the fixing plate (16) near the connecting seat (8). A collar (18) is fixedly installed on the side of the spring (17) near the connecting seat (8). The collar (18) is slidably sleeved on the outside of the rotating rod (7). The connecting seat (8) is fixedly installed between the upper and lower collars (18).

Images