CN221505040U - Air-cooled dry slag extractor convenient to heat dissipation - Google Patents

Abstract

The utility model relates to the technical field of dry slag discharging machines, in particular to an air-cooled dry slag discharging machine convenient for heat dissipation, which comprises: the device comprises a shell, a V-shaped conveying net device is arranged in the shell, a slag well is arranged at one end of the top of the shell, a slag crusher is arranged at one end of the bottom of the shell, a plurality of air doors are further arranged on the shell, a stirring mechanism is arranged above the V-shaped conveying net device and comprises a rake tooth assembly and a driving assembly for driving the rake tooth assembly to reciprocate along the width direction of the V-shaped conveying net device, through the mode, the air-cooled dry slag extractor convenient for heat dissipation can turn over upper slag, so that the inside of the slag is fully blown by cold air, the cooling speed is increased, and the working efficiency of equipment is improved.

Description

Air-cooled dry slag extractor convenient to heat dissipation

Technical Field

The utility model relates to the technical field of dry slag discharging machines, in particular to an air-cooled dry slag discharging machine convenient for heat dissipation.

Background

The dry slag extractor is also called a dry slag extractor and a dry slag extractor, and is called a dry slag extractor for short, the dry slag extractor is pulverized coal furnace bottom slag treatment equipment and is used for cooling and conveying hot slag, the dry slag extractor is core equipment of a dry slag extraction system, and the boiler furnace bottom slag extraction system is a comprehensive treatment system for collecting, cooling, conveying and storing bottom slag discharged from the boiler bottom.

The slag drier relies on the negative pressure of the hearth to enable a small amount of controlled ambient cold air to enter the shell through the air door to cool high-temperature slag, and then the slag which is lowered to a certain temperature is conveyed into the slag crusher for subsequent treatment.

Aiming at the related technology, the inventor can only rapidly cool the surface of the piled slag by blowing high-temperature slag with cold air, and the interior of the slag is not blown by cold air, so that the cooling speed is slower, and therefore, the conveyor belt needs to be kept running at a lower speed, the slag is sufficiently cooled, and the slag treatment efficiency is reduced.

Disclosure of utility model

The utility model mainly solves the technical problem of providing an air-cooled dry slag extractor convenient for heat dissipation, which adopts a material turning mechanism to turn over accumulated slag and spread out surface slag, so that the interior of the slag is fully blown by cold air, the cooling efficiency of the slag is improved, the conveying speed of the slag is improved, and the working efficiency of equipment is improved.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an air-cooled dry slag extractor convenient to heat dissipation, include: the device comprises a shell, a V-shaped conveying net device is arranged in the shell, a slag well is arranged at one end of the top of the shell, a slag crusher is arranged at one end of the bottom of the shell, a plurality of air doors are further arranged on the shell, a material turning mechanism is arranged above the V-shaped conveying net device and comprises a rake tooth assembly and a driving assembly for driving the rake tooth assembly to reciprocate along the width direction of the V-shaped conveying net device, and the rake tooth assembly comprises a first rake tooth piece and a second rake tooth piece.

Through adopting above-mentioned technical scheme, high temperature slag falls into on the V type conveying net device through the sediment well and carries along with V type conveying net device, cold air enters into inside the casing through the air door and cools down high temperature slag, slag after the cooling carries in the slag crusher along with V type conveying net device and carries out the broken slag and follow-up handling, can turn over upper slag through first rake teeth spare and second rake teeth spare for the inside cold wind that can fully receive of slag blows, accelerate the cooling efficiency of slag, drive first rake teeth spare and second rake teeth spare through drive assembly and carry out round trip movement along V type conveying net device width direction, can make first rake teeth spare and second rake teeth spare turn over the material along S type orbit to the slag, increase and turn over the material area, make inside slag can be faster cooling, thereby can improve the conveying efficiency of slag, improve the work efficiency of equipment.

The present utility model may be further configured in a preferred example to: the first rake teeth piece comprises a first cross rod, a plurality of first connecting plates are arranged on the first cross rod, first rake teeth are connected to the first connecting plates respectively, and the first rake teeth are arc-shaped plates.

Through adopting above-mentioned technical scheme, establish first rake teeth into the arc plate structure, can make first rake teeth can upwards turn up the slag for inside slag can fully obtain cold wind and blow, improves slag cooling efficiency.

The present utility model may be further configured in a preferred example to: the second rake teeth part comprises a second cross rod, a plurality of second connecting plates are arranged on the second cross rod, second rake teeth are respectively connected to the second connecting plates, and the second rake teeth are triangular columns.

Through adopting above-mentioned technical scheme, the second rake teeth are established to the triangular prism, can turn over upper slag to both sides, expose inside slag for inside slag can fully receive cold wind blowing, improves slag cooling efficiency.

The present utility model may be further configured in a preferred example to: the driving assembly comprises two moving plates and two sliding rails, wherein the two sliding rails are respectively connected to the top of the inner wall of the shell, the two ends of the top of the moving plates are respectively connected with the two sliding rails, through holes are respectively formed in the two moving plates, and wire rods are arranged in the through holes in a penetrating mode.

Through adopting above-mentioned technical scheme, through two movable plates of lead screw spare drive on the slide rail slip, the movable plate removes and drives first horizontal pole and second horizontal pole and remove, and first horizontal pole and second horizontal pole remove and drive first connecting plate and second connecting plate and remove, and first connecting plate and second connecting plate remove and drive first rake teeth and second rake teeth and remove and turn over the material.

The present utility model may be further configured in a preferred example to: the screw rod piece comprises a screw rod and two fixing plates, the screw rod penetrates through the two fixing plates, the screw rod is rotationally connected with the two fixing plates, the fixing plates are fixedly connected with the top of the inner wall of the shell, one end of the screw rod is connected with a first motor, a nut seat is rotationally connected onto the screw rod, and the nut seat is fixedly connected into one of the through holes.

Through adopting above-mentioned technical scheme, first motor work drives the lead screw and rotates, and the lead screw rotates the drive nut seat and removes, and the nut seat removes and drives one of them movable plate and remove, and the movable plate removes and drives another movable plate and remove through first horizontal pole and second horizontal pole, and two movable plates remove and drive first horizontal pole, second horizontal pole, first connecting plate, second connecting plate, first rake teeth, second rake teeth in proper order and remove, conveniently turn over the material to the slag.

The present utility model may be further configured in a preferred example to: the bottoms of the first rake teeth are slightly higher than the top of the conveying surface of the V-shaped conveying net device.

Through adopting above-mentioned technical scheme, first rake teeth leave the clearance with V type transport network device's transmission face top, can enough turn over upper slag for the radiating efficiency of inside slag, also can not produce the normal operating of friction interference V type transport network device with V type transport network device direct contact, improve equipment result of use.

The present utility model may be further configured in a preferred example to: the bottoms of the second rake teeth are slightly higher than the top of the conveying surface of the V-shaped conveying net device.

Through adopting above-mentioned technical scheme, the clearance is left at second rake teeth and V type transport network device's transmission face top, can enough turn over upper slag for the radiating efficiency of inside slag, also can not produce the normal operating of friction interference V type transport network device with V type transport network device direct contact, improves equipment result of use.

The present utility model may be further configured in a preferred example to: the V-shaped conveying net device comprises a driving roller, a driven roller and a conveying net belt, wherein the driving roller and the driven roller are respectively connected to two ends inside a shell in a rotating mode, the driving roller and the driven roller are connected through the conveying net belt, one end of the driving roller is connected with a second motor, two steering rollers are connected to the front side of the shell at intervals, two steering rollers are connected to the back side of the shell at intervals, and the steering rollers are in rolling connection with the conveying net belt and are suitable for enabling the conveying net belt to be in V-shaped conveying.

Through adopting above-mentioned technical scheme, the second motor rotates and drives the initiative cylinder and rotate, and the initiative cylinder rotates and drives and carry guipure and driven cylinder and rotate, carries the guipure to carry the slag, carries the guipure to be V type transmission under the effect of four steering roller, can carry slag to the slag crusher in.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. In the slag conveying process, the first rake teeth turn up upper layer slag upwards, and the second rake teeth turn up the upper layer slag to two sides, so that the interior of the slag can be fully blown by cold air, the cooling of the slag is quickened, the slag is cooled to a required temperature in a shorter time, and the working efficiency of equipment is improved.

2. The first motor work drives the lead screw and rotates, and the lead screw rotates the drive nut seat and removes, and the nut seat removes and drives one of them movable plate and remove, and the movable plate removes and drives first horizontal pole and second connecting plate and remove, and first connecting plate and second connecting plate remove and drive first rake teeth and second rake teeth and remove and turn over the material for first rake teeth spare and second rake teeth spare turn over the material to the slag along S type orbit, increase and turn over the material area, make the inside cold wind that can fully receive of slag blow for the cooling efficiency of slag, improve equipment' S work efficiency.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the driving assembly of FIG. 2

FIG. 4 is a schematic view of the rake finger assembly of FIG. 2;

Fig. 5 is a schematic view of the structure of the V-type conveyor net apparatus of fig. 2.

In the figure: 1. a housing; 20. v-shaped conveying net device; 4. a slag well; 5. a slag crusher; 6. a damper; 70. a material turning mechanism;

21. A driving roller; 22. a driven roller; 23. conveying a mesh belt; 24. a second motor; 25. a steering roller;

71. A rake tooth assembly; 72. A drive assembly;

711. a first tine member; 712. A second tine member;

7111. a first cross bar; 7112. A first connection plate; 7113. A first tine;

7121. a second cross bar; 7122. A second connecting plate; 7123. A second tine;

721. A moving plate; 722. a slide rail; 723. a wire rod member; 724. a through hole;

7231. A screw rod; 7232. a fixing plate; 7233. a first motor; 7234. and a nut seat.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.

Referring to fig. 1 to 5, an air-cooled dry slag extractor for facilitating heat dissipation according to the present utility model includes: the V-shaped conveying net device 20 is arranged in the shell 1, the V-shaped conveying net device 20 comprises a driving roller 21, a driven roller 22 and a conveying net belt 23, the driving roller 21 and the driven roller 22 are respectively connected to two ends in the shell 1 in a rotating mode, the driving roller 21 and the driven roller 22 are connected through the conveying net belt 23, one end of the driving roller 21 is connected with a second motor 24, two steering rollers 25 are connected to the front surface of the shell 1 at intervals, two steering rollers 25 are connected to the back surface of the shell 1 at intervals, the steering rollers 25 are in rolling connection with the conveying net belt 23, and the V-shaped conveying net belt 23 is suitable for V-shaped conveying; the second motor 24 rotates to drive the driving roller 21 to rotate, the driving roller 21 rotates to drive the conveying mesh belt 23 and the driven roller 22 to rotate, the conveying mesh belt 23 rotates to convey slag, the conveying mesh belt 23 is in a V-shaped structure to be conveyed under the action of the four steering rollers 25, and the slag can be conveyed into the slag crusher 5.

A slag well 4 is arranged at one end of the top of the shell 1, a slag crusher 5 is arranged at one end of the bottom of the shell 1, a plurality of air doors 6 are further arranged on the shell 1, a material turning mechanism 70 is arranged above the conveying net belt 23, the material turning mechanism 70 comprises a rake tooth assembly 71 and a driving assembly 72 for driving the rake tooth assembly 71 to move back and forth along the width direction of the conveying net belt 23, the rake tooth assembly 71 comprises a first rake tooth 711 and a second rake tooth 712, the first rake tooth 711 comprises a first cross bar 7111, a plurality of first connecting plates 7112 are arranged on the first cross bar 7111, a first rake tooth 7113 is connected to the first connecting plates 7112 respectively, the first rake tooth 7113 is an arc-shaped plate, the second rake tooth 712 comprises a second cross bar 7121, a plurality of second connecting plates 7122 are arranged on the second cross bar 7121 respectively, the second connecting plates 7122 are connected with second rake teeth 7123, the second rake teeth 7123 are triangular columns, and the bottoms of the first rake teeth 7113 and the second rake teeth 7123 are slightly higher than the top of the conveying surface of the conveying net belt 23; the high-temperature slag falls onto the conveying mesh belt 23 from the slag well 4, as the conveying mesh belt 23 conveys to the slag crusher 5, cold air enters into the shell 1 from the air door 6 to cool the high-temperature slag, after the slag is cooled to a certain temperature, the slag enters into the slag crusher 5 to be subjected to subsequent treatment, in the slag conveying process, the first rake teeth 7113 turn up upper slag, the second rake teeth 7123 turn up the upper slag to two sides, the inside of the slag can be fully blown by the cold air, cooling of the slag is accelerated, the slag is cooled to a required temperature in a shorter time, the working efficiency of equipment is improved, the bottoms of the first rake teeth 7113 and the second rake teeth 7123 are slightly higher than the top of a conveying surface of the conveying mesh belt 23, the upper slag can be turned up by the first rake teeth 7113 and the second rake teeth 7123, interference to the operation of the conveying mesh belt 23 is avoided, and the using effect of the equipment is improved.

The driving assembly 72 comprises two moving plates 721 and two sliding rails 722, the two sliding rails 722 are respectively connected to the top of the inner wall of the shell 1, two ends of the top of the two moving plates 721 are respectively connected with the two sliding rails 722, through holes 724 are respectively formed in the two moving plates 721, a wire rod piece 723 is arranged in the two through holes 724 in a penetrating mode, the wire rod piece 723 comprises a wire rod 7231 and two fixing plates 7232, the wire rod 7231 penetrates through the two fixing plates 7232, the wire rod 7231 is rotationally connected with the two fixing plates 7232, the fixing plates 7232 are fixedly connected with the top of the inner wall of the shell 1, one end of the wire rod 7231 is connected with a first motor 7233, a nut seat 7234 is rotationally connected to the wire rod 7231, and the nut seat 7234 is fixedly connected in one of the through holes 724; the first motor 7233 works to drive the screw rod 7231 to rotate, the screw rod 7231 rotates to drive the nut seat 7234 to move, the nut seat 7234 moves to drive the moving plate 721 to move, the moving plate 721 moves to drive the first cross rod 7111 and the second cross rod 7121 to move, the first cross rod 7111 and the second cross rod 7121 move to drive the first connecting plate 7112 and the second connecting plate 7122 to move, the first connecting plate 7112 and the second connecting plate 7122 move to drive the first rake teeth 7113 and the second rake teeth 7123 to reciprocate along the width direction of the conveying mesh belt 23, the first rake teeth 7113 and the second rake teeth 7123 turn the slag along an S-shaped track, the turning area is enlarged, the inside of the slag can be fully blown by cold air, the cooling efficiency of the slag is accelerated, and the working efficiency of equipment is improved.

The implementation principle of the embodiment is as follows: when the slag crusher is used, the high-temperature slag is conveyed to the slag crusher 5 by the conveying mesh belt 23, in the conveying process, the upper slag is turned up by the first rake teeth 7113, the upper slag is turned over to two sides by the second rake teeth 7123, slag cooling is accelerated, meanwhile, the first motor 7233 works to drive the screw rod 7231 to rotate, the screw rod 7231 rotates to drive the nut seat 7234 to reciprocate along the width direction of the conveying mesh belt 23, the nut seat 7234 moves to drive the moving plate 721, the first cross rod 7111 and the second cross rod 7121, the first connecting plate 7112 and the second connecting plate 7122, the first rake teeth 7113 and the second rake teeth 7123 sequentially move, the slag is turned over along the S-shaped track by the first rake teeth 7113 and the second rake teeth 7123, the turning area is enlarged, the slag inside can be fully blown by cold air, the slag cooling is accelerated, the slag is cooled to a required temperature in a shorter time, and the working efficiency of equipment is improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (8)

1. An air-cooled dry slag extractor convenient to heat dissipation includes: the slag crusher is characterized in that a V-shaped conveying net device (20) is arranged in the shell (1), a slag well (4) is arranged at one end of the top of the shell (1), a slag crusher (5) is arranged at one end of the bottom of the shell (1), a plurality of air doors (6) are further arranged on the shell (1), and a stirring mechanism (70) is arranged above the V-shaped conveying net device (20);

the stirring mechanism (70) comprises a rake tooth assembly (71) and a driving assembly (72) for driving the rake tooth assembly (71) to reciprocate along the width direction of the V-shaped conveying net device (20), and the rake tooth assembly (71) comprises a first rake tooth member (711) and a second rake tooth member (712).

2. The air-cooled dry slag extractor convenient for heat dissipation according to claim 1, wherein the first rake teeth (711) comprise a first cross rod (7111), a plurality of first connecting plates (7112) are arranged on the first cross rod (7111), first rake teeth (7113) are respectively connected to the first connecting plates (7112), and the first rake teeth (7113) are arc plates.

3. An air-cooled dry slag extractor convenient for heat dissipation according to claim 1, characterized in that the second rake teeth (712) comprise a second cross bar (7121), a plurality of second connecting plates (7122) are arranged on the second cross bar (7121), second rake teeth (7123) are respectively connected on the second connecting plates (7122), and the second rake teeth (7123) are triangular columns.

4. An air-cooled dry slag extractor convenient for heat dissipation according to claim 1, characterized in that the driving assembly (72) comprises two moving plates (721) and two sliding rails (722), the two sliding rails (722) are respectively connected to the top of the inner wall of the shell (1), the two moving plates (721) are respectively connected to the two sliding rails (722) at the two ends of the top, through holes (724) are respectively formed in the two moving plates (721), and a wire rod piece (723) is arranged in the two through holes (724) in a penetrating mode.

5. The air-cooled dry slag extractor convenient to radiate according to claim 4, wherein the screw rod piece (723) comprises a screw rod (7231) and two fixing plates (7232), the screw rod (7231) penetrates through the two fixing plates (7232), the screw rod (7231) is rotationally connected with the two fixing plates (7232), the fixing plates (7232) are fixedly connected with the top of the inner wall of the shell (1), one end of the screw rod (7231) is connected with a first motor (7233), a nut seat (7234) is rotationally connected on the screw rod (7231), and the nut seat (7234) is fixedly connected in one through hole (724).

6. An air-cooled dry slag extractor with convenient heat dissipation according to claim 2, characterized in that the bottoms of the first rake teeth (7113) are slightly higher than the top of the transmission surface of the V-shaped transmission net device (20).

7. An air-cooled dry slag extractor with convenient heat dissipation according to claim 3, characterized in that the bottoms of the second rake teeth (7123) are slightly higher than the top of the transmission surface of the V-shaped transmission net device (20).

8. The air-cooled dry slag extractor convenient to heat dissipation according to claim 1, characterized in that the V-shaped conveying net device (20) comprises a driving roller (21), a driven roller (22) and a conveying net belt (23), the driving roller (21) and the driven roller (22) are respectively connected to two ends inside the shell (1) in a rotating mode, the driving roller (21) and the driven roller (22) are connected through the conveying net belt (23), one end of the driving roller (21) is connected with a second motor (24), two steering rollers (25) are connected to the front surface of the shell (1) at intervals, two steering rollers (25) are connected to the back surface of the shell (1) at intervals, and the steering rollers (25) are in rolling connection with the conveying net belt (23) and are suitable for enabling the conveying net belt (23) to be in a V-shaped structure for transmission.