CN211502887U

CN211502887U - Stove convenient for slag removal

Info

Publication number: CN211502887U
Application number: CN201922119696.0U
Authority: CN
Inventors: 李娜
Original assignee: Shandong Zhengxinde Environmental Protection Technology Development Co ltd
Current assignee: Shandong Zhengxinde Environmental Protection Technology Development Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-15
Anticipated expiration: 2029-11-29

Abstract

The utility model provides a stove convenient to scarfing cinder belongs to the stove field, include: furnace body and take off claw. The furnace body is characterized in that a fixed grate with an ash falling gap is arranged in an inner cavity of the furnace body, the fixed grate divides the inner cavity of the furnace body into a hearth and an ash storage cavity, a slag discharging channel communicated with the hearth and the ash storage cavity is arranged on the side wall of the furnace body, and the slag discharging channel is provided with an inlet positioned on the side wall of the hearth. The claw is arranged in the ash storage cavity, claw teeth penetrate through the ash falling gap and protrude out of the bearing surface of the fixed grate, and the claw is connected with the furnace body in a sliding mode and used for sliding towards the inlet and pushing materials on the bearing surface of the fixed grate to the inlet through the claw teeth. The utility model discloses a stove convenient to scarfing cinder can avoid stirring by a wide margin to fix the fuel on the grate, reduces the interference to the fuel burning in the furnace, the slag in the clearance furnace that can also be more thorough.

Description

Stove convenient for slag removal

Technical Field

The utility model belongs to the technical field of the stove, more specifically say, relate to a stove convenient to scarfing cinder.

Background

The existing biomass combustion furnace is characterized in that a furnace grate for supporting biomass fuel is arranged in a furnace body, powdery furnace ash and blocky furnace slag are formed after the biomass fuel is combusted on the furnace grate, the powdery furnace ash can naturally fall from an ash falling gap of the furnace grate, the blocky furnace slag can be clamped on the furnace grate, and therefore the powdery furnace ash can be gradually accumulated in a hearth and occupies the space in the hearth, and therefore an operator is required to regularly clean the furnace slag in the hearth when the biomass combustion furnace is used. Some furnaces with slag removal structures are available, but these furnaces still have the technical problem of easily interfering with the combustion of the fuel in the hearth and of not being thorough in slag removal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stove convenient to scarfing cinder to solve the scarfing cinder structure that exists among the prior art and disturb the burning of fuel in the furnace easily and the scarfing cinder is thorough technical problem inadequately.

In order to achieve the above object, the utility model adopts the technical scheme that a stove convenient for slag removal is provided, which comprises:

the furnace comprises a furnace body, wherein a fixed grate with an ash falling gap is arranged in an inner cavity of the furnace body, the fixed grate divides the inner cavity of the furnace body into a hearth and an ash storage cavity, a slag discharging channel communicated with the hearth and the ash storage cavity is arranged on the side wall of the furnace body, and the slag discharging channel is provided with an inlet positioned on the side wall of the hearth; and

the claw is arranged in the ash storage cavity, claw teeth penetrate through the ash falling gap and protrude out of the bearing surface of the fixed grate, and the claw is connected with the furnace body in a sliding mode and used for sliding towards the inlet and pushing materials on the bearing surface of the fixed grate to the inlet through the claw teeth.

As another embodiment of this application, the claw include with the moving direction vertically horizontal pole of claw, the horizontal pole with the downside slip laminating of fixed grate is a plurality of the claw tooth is followed the axial spaced of horizontal pole is located on the horizontal pole.

As another embodiment of this application, what run through on the lateral wall in ash storage cavity is equipped with axially sliding's catch bar, catch bar one end orientation the entry with the claw is connected, and the other end is worn out outside the ash storage cavity.

As another embodiment of the present application, the furnace facilitating slag removal and feeding further comprises a driving mechanism, the driving mechanism comprises:

a rotation unit;

the rocker arm is fixed on the rotating shaft of the rotating unit along the radial direction; and

and one end of the connecting rod is hinged with the free end of the rocker arm, and the other end of the connecting rod is hinged with the push rod.

As another embodiment of the present application, a side of the claw teeth facing away from the inlet is provided with a disengaging slope, and an upper portion of the disengaging slope is inclined toward the inlet.

As another embodiment of the present application, two side walls of the ash storage cavity located at two sides of the inlet are respectively provided with a slideway, the two slideways are respectively parallel to the bearing surface of the fixed grate, and one end of each slideway faces the inlet; two ends of the paw are respectively connected with the two slide ways in a sliding manner.

As another embodiment of the present application, the furnace body is provided with a feeding passage communicated with the furnace chamber, and the feeding passage is used for guiding fuel to a part of the fixed grate far away from the inlet.

As another embodiment of the application, the ash falling gap is in a long strip shape, and the long axis is parallel to the sliding direction of the claw.

As another embodiment of the application, the inlet is provided with a self-closing door which is automatically closed; the self-closing door is used for pushing slag pushed by the claw teeth to push away.

As another embodiment of the present application, the self-closing door includes a door panel, an upper portion of which is hinged to an upper side wall of the entrance, and which hangs down in a free state and closes the entrance.

The embodiment of the utility model provides a stove convenient to scarfing cinder's beneficial effect lies in: compared with the prior art, the utility model discloses stove convenient to scarfing cinder through will take off the claw and set up in the ash storage cavity, avoids stirring by a wide margin to fix the fuel on the grate, reduces the interference to the fuel burning in the furnace. Claw teeth of the claw penetrate through the ash falling gap and protrude out of the bearing surface of the fixed grate, and the claw is connected with the furnace body in a sliding mode and used for sliding towards the inlet and pushing materials on the bearing surface of the fixed grate to the inlet through the claw teeth. When the sliding claw is used, the claw teeth protruding out of the bearing surface of the fixed grate push the slag on the bearing surface of the fixed grate to the inlet, so that the slag falls into the ash storage cavity through the slag discharge channel, and in the sliding process of the claw, the claw teeth can sweep most of the area of the bearing surface of the fixed grate, so that the slag on the fixed grate can be pushed to the inlet completely, and the slag in the hearth can be cleaned thoroughly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a sectional view of a furnace convenient for slag removal according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the claw and the push rod of FIG. 1;

FIG. 3 is a top view of the fixed grate, the claw and the pusher arm of FIG. 1;

FIG. 4 is a sectional view of a furnace with slag removal capability according to another embodiment of the present invention;

fig. 5 is a top view of the fixed grate, the claw, the chute and the push rod of fig. 4.

Wherein, in the figures, the respective reference numerals:

1-furnace body; 11-a hearth; 12-ash storage cavity; 13-a slag discharge channel; 131-a door panel; 132-an inlet; 14-a slide; 15-a feed channel; 2-fixing the grate; 21-ash falling gap; 3-picking the claw; 31-pawl teeth; 311-disengaging the bevel; 32-a cross-bar; 4-pushing the rod; 5-a rotation unit; 6-rocker arm; 7-connecting rod.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a furnace convenient for removing slag according to an embodiment of the present invention will now be described. A furnace for facilitating slag removal, comprising: a furnace body 1 and a claw 3.

The inner cavity of the furnace body 1 is provided with a fixed grate 2 with an ash falling gap 21, the fixed grate 2 divides the inner cavity of the furnace body 1 into a hearth 11 and an ash storage cavity 12, the side wall of the furnace body 1 is provided with a slag discharging channel 13 communicating the hearth 11 and the ash storage cavity 12, and the slag discharging channel 13 is provided with an inlet 132 positioned on the side wall of the hearth 11. The claw 3 is arranged in the ash storage cavity 12, the claw teeth 31 penetrate through the ash falling gap 21 and protrude out of the bearing surface of the fixed grate 2, and the claw 3 is connected with the furnace body 1 in a sliding manner and used for sliding towards the inlet 132 and pushing the slag on the bearing surface of the fixed grate 2 to the inlet 132 through the claw teeth 31.

Compared with the prior art, the utility model discloses stove convenient to scarfing cinder of embodiment through will take off claw 3 and set up in ash storage cavity 12, avoids stirring by a wide margin the fuel on the fixed grate 2, reduces the interference to the fuel burning in furnace 11. The claw teeth 31 of the claw 3 penetrate through the ash falling gap 21 and protrude out of the bearing surface of the fixed grate 2, and the claw 3 is connected with the furnace body 1 in a sliding manner and used for sliding towards the inlet 132 and pushing the slag on the bearing surface of the fixed grate 2 to the inlet 132 through the claw teeth 31. When the device is used, the claw teeth 31 protruding out of the bearing surface of the fixed grate 2 push the slag on the bearing surface of the fixed grate 2 to the inlet 132 through the sliding claw 3, so that the slag falls into the ash storage cavity 12 through the slag discharge channel 13, and in the sliding process of the claw 3, the claw teeth 31 can sweep most of the area of the bearing surface of the fixed grate 2, so that the slag on the fixed grate 2 is pushed to the inlet 132 completely, and the slag in the hearth 11 is cleaned thoroughly. In addition, in the process of sliding the claw 3, if the slag on the fixed grate 2 is less, the fuel contacts the claw teeth 31, and the claw teeth 31 can push the fuel on the bearing surface of the fixed grate 2 to the inlet 132 to a certain extent, so that the position of the fuel on the fixed grate 2 can be adjusted, and the combustion of the fuel and the subsequent fuel can be more conveniently entered.

In this embodiment, the structure of the furnace body 1 can be improved from the furnace body 1 of the conventional biomass fuel furnace. Specifically, the furnace body 1 may have a cavity therein, the fixed grate 2 is horizontally disposed in the cavity of the furnace body 1 to divide the cavity of the furnace body 1 into an upper furnace chamber 11 and a lower ash storage chamber 12, the upper side of the fixed grate 2 is a bearing surface for bearing fuel, and ash formed after the fuel in the furnace chamber 11 is combusted falls into the ash storage chamber 12 from an ash falling gap 21 of the fixed grate 2. The top of the furnace body 1 is provided with a furnace mouth communicated with the hearth 11, a gasification tank is arranged in the furnace mouth, and the side wall of the hearth 11 is provided with a fire-resistant layer. The slag discharging passage 13 may be provided at a lower portion of a sidewall of the furnace 11, and an upper portion of the slag discharging passage 13 forms an inlet 132 facing horizontally on an inner wall surface of the furnace 11, and a lower end of the slag discharging passage 13 forms an outlet communicating with the ash storage chamber 12, thereby communicating the furnace 11 and the ash storage chamber 12.

In this embodiment, the claw 3 can slide horizontally along the lower side of the fixed grate 2. The claw teeth 31 of the raking claw 3 penetrate upwards from the ash falling gap 21 and protrude out of the bearing surface of the fixed grate 2. The claw 3 can be slid closer to the entrance 132 so that the claw teeth 31 can also be moved closer to the entrance 132 to push the slag on the load-bearing surface of the stationary grate 2 toward the entrance 132. Specifically, the number of the claw teeth 31 of the raking claw 3 may be the same as the number of the ash falling gaps 21 of the fixed grate 2, and the claw teeth 31 penetrate the ash falling gaps 21 in a one-to-one correspondence. The number of the claw teeth 31 of the raking claw 3 can be slightly less than that of the ash falling gaps 21 of the fixed grate 2.

Referring to fig. 1 to 5, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the raking claw 3 includes a cross bar 32 perpendicular to the moving direction of the raking claw 3, the cross bar 32 is slidably attached to the lower side surface of the fixed grate 2, and a plurality of claw teeth 31 are disposed on the cross bar 32 at intervals along the axial direction of the cross bar 32. The cross rod 32 is perpendicular to the moving direction of the claw 3 and is attached to and slides on the lower side surface of the fixed grate 2, so that in the sliding process of the claw 3, the two ends of the cross rod 32 can be prevented from swinging up and down, and the claw teeth 31 are prevented from being separated from the ash falling gap 21.

In this embodiment, the cross bar 32 is disposed horizontally and perpendicular to the orientation of the inlet 132. The upper side of the cross bar 32 is attached to the lower side of the horizontal fixed grate 2, the claw teeth 31 are vertically fixed on the cross bar 32, the upper end of the claw teeth passes through the ash falling gap 21 upwards, and the plurality of claw teeth 31 are arranged along the axial direction of the cross bar 32. In use, the cross bar 32 slides horizontally along the underside of the fixed grate 2 towards the inlet 132, causing the claws 31 to push slag on the fixed grate 2 towards the inlet 132.

Referring to fig. 1 to 5, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, a pushing rod 4 sliding axially is provided on the sidewall of the ash storage cavity 12, one end of the pushing rod 4 faces the inlet 132 and is connected to the claw 3, and the other end of the pushing rod extends out of the ash storage cavity 12. The claw 3 is connected with the side wall of the ash storage cavity 12 in a sliding mode through the push rod 4, and meanwhile an operator can drive the claw 3 to slide by pushing the push rod 4 axially outside the furnace body 1.

In this embodiment, the pushing rod 4 is horizontally disposed, and one end of the pushing rod faces the inlet 132 and is connected to the claw 3, and the other end of the pushing rod penetrates through a side wall of the ash storage cavity 12 opposite to the inlet 132.

In this embodiment, the claw 3 includes a cross bar 32 and claw teeth 31. The cross rod 32 is vertical to the moving direction of the claw 3 and is attached to and slides on the lower side surface of the fixed grate 2, so that the push rod 4 does not need to bear the torsional force of the claw 3, and the sliding structure of the push rod 4 and the side wall of the ash storage cavity 12 can be simplified. Specifically, the push rod 4 is horizontally disposed with one end facing the inlet 132 and the other end penetrating through a side wall of the ash storage chamber 12 opposite to the inlet 132. The cross bar 32 and the push rod 4 are connected at an end facing the inlet 132 in a horizontal plane to form a T-shape.

Referring to fig. 1 and 4, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the furnace convenient for removing slag and feeding further includes a driving mechanism, and the driving mechanism includes: a rotary unit 5, a rocker arm 6 and a connecting rod 7. The rocker arm 6 is fixed radially to the rotation shaft of the rotation unit 5. One end of the connecting rod 7 is hinged with the free end of the rocker arm 6, and the other end is hinged with the push rod 4. The driving mechanism can drive the paw 3 to reciprocate, realizes the automation of slag removal, and has simple structure, high reliability and long service life.

In this embodiment, the rotating unit 5 is fixed outside the furnace body 1, the rotating unit 5 may be a motor or a reducer driven by a motor, a radial rocker arm 6 is fixed on a rotating shaft of the rotating unit 5, one end of the rocker arm 6 away from the rotating shaft of the rotating unit 5 is a free end and is hinged to one end of a connecting rod 7, and the other end of the connecting rod 7 is hinged to the push rod 4. When the rotating shaft of the rotating unit 5 rotates, the connecting rod 7 converts the circular motion of the rocker arm 6 into the axial reciprocating motion of the pushing rod 4, and the pushing rod 4 drives the paw 3 to slide in the horizontal direction. More specifically, the rotation shaft of the rotation unit 5 is vertically arranged, so that the rocker arm 6 rotates on a horizontal plane, the height of the driving mechanism can be reduced, the arrangement of the driving mechanism on the furnace body 1 is convenient, and the volume of the embodiment is reduced.

Referring to fig. 1 and 2, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, a separation inclined plane 311 is disposed on a side of the claw tooth 31 departing from the inlet 132, and an upper portion of the separation inclined plane 311 inclines toward the inlet 132. The disengaging ramp 311 enables fuel on the stationary grate 2 to disengage from the pawl teeth 31 as the pawl teeth 31 move away from the inlet 132, preventing fuel from being pushed away from the stationary grate 2.

In this embodiment, the detachment slope 311 may be a flat surface or a curved surface having an upper portion inclined toward the inlet 132.

Referring to fig. 4 and 5, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the two side walls of the ash storage cavity 12 located at two sides of the inlet 132 are respectively provided with a slideway 14, the two slideways 14 are respectively parallel to the loading surface of the fixed grate 2, and one end of each slideway 14 faces the inlet 132; two ends of the claw 3 are respectively connected with the two slideways 14 in a sliding way. By adopting the structure, in the sliding process of the claw 3, the two slide ways 14 can keep the distance between the two ends of the claw 3 and the fixed grate 2 fixed, prevent the two ends of the claw 3 from swinging up and down, and avoid the claw teeth 31 from falling out of the ash falling gap 21.

In this embodiment, the claw 3 includes a cross bar 32 and claw teeth 31. The two slideways 14 are horizontally fixed on the side walls of the ash storage cavity 12 at the left and right sides of the inlet 132, and two ends of the cross bar 32 are respectively connected with the two slideways 14 in a sliding way. Specifically, the slide ways 14 may be guide rails fixed on the inner wall of the ash storage cavity 12, and both ends of the cross bar 32 may be slidably connected with the two slide ways 14 through slide blocks, respectively.

Referring to fig. 4 and 5, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the slide way 14 is a chute, and the end of the claw 3 is slidably embedded in the chute. Simple structure, easy processing and long service life.

In this embodiment, the claw 3 includes a cross bar 32 and claw teeth 31. The two chutes are horizontally arranged on the side walls of the ash storage cavity 12 at the left and right sides of the inlet 132, and the two ends of the cross rod 32 are respectively embedded in the chutes and slide along the chutes.

Referring to fig. 1 and 4, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the furnace body is provided with a feeding passage communicated with the furnace chamber, and the feeding passage is used for guiding fuel to a portion of the fixed grate far away from the inlet.

In this embodiment, the feeding channel is disposed on the side wall of the furnace body 1 away from the inlet 132, and the feeding channel is inclined downward, so that in use, an operator throws fuel on the portion of the fixed grate 2 away from the inlet 132 through the feeding channel. If the slag on the fixed grate 2 is less, the claw teeth 31 can push the fuel on the bearing surface of the fixed grate 2 towards the inlet 132 to a certain extent in the process that the claw 3 slides towards the inlet 132, so that the position of the fuel on the fixed grate 2 can be adjusted, and the combustion of the fuel and the entering of subsequent fuel are more convenient.

Referring to fig. 3 and 5, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the ash falling gap 21 is a strip shape, and the long axis is parallel to the sliding direction of the claw 3. By adopting the arrangement, the moving distance of the claw teeth 31 along the long axis of the ash falling gap 21 is larger, and the slag on the fixed grate 2 can be cleaned more conveniently and thoroughly.

In this embodiment, the ash falling gaps 21 are strip-shaped, and the ash falling gaps 21 are parallel to each other and parallel to the sliding direction of the claw 3. The claw 3 comprises a cross bar 32 and claw teeth 31, and the cross bar 32 is perpendicular to the long axis of the ash falling gap 21. The push rod 4 is vertically connected with the cross bar 32 in a T shape and is parallel to the long axis of the ash falling gap 21.

Referring to fig. 1 and 4, as a specific embodiment of the furnace convenient for removing slag provided by the present invention, the inlet 132 is provided with a self-closing door which is automatically closed; the self-closing door is used for pushing slag pushed by the claw teeth 31.

When the claw teeth 31 of the claw 3 push the slag, the self-closing door can be pushed open, so that the slag is pushed into the slag discharging channel 13 from the inlet 132, and the slag enters the ash storage cavity 12 through the slag discharging channel 13. When the slag is discharged, the self-closing door can automatically close the inlet 132, so that the air flow between the hearth 11 and the ash storage cavity 12 is blocked, a large amount of air is prevented from entering the hearth 11, and the combustion in the hearth 11 is difficult to control.

In this embodiment, the self-closing door may be configured to automatically close the door 131 on the inlet 132 by using a spring, or may be configured to automatically close the door 131 on the inlet 132 by using the gravity of the door 131.

Referring to fig. 1 and 4, as a specific embodiment of the furnace for removing slag according to the present invention, the self-closing door includes a door panel 131, an upper portion of the door panel 131 is hinged to an upper sidewall of the inlet 132, and the door panel 131 hangs down in a free state and closes the inlet 132. The self-closing door has the advantages of simple structure, long service life and high reliability.

In this embodiment, the inlet 132 is disposed on a vertical inner wall surface of the furnace 11, the door panel 131 is a vertical flat plate, and an upper portion of the door panel 131 is hinged to an upper side wall of the inlet 132, so that the door panel 131 can swing freely and the inlet 132 is closed in a vertical state after being stationary. When the pushing plate pushes the slag to the inlet 132, the slag can push the door panel 131 to swing into the slag discharging channel 13, so that the inlet 132 is opened, and when the slag falls into the ash storage cavity 12 from the slag discharging channel 13, the door panel 131 returns to be in a vertical state to close the inlet 132.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A furnace for facilitating slag removal, comprising:

2. The furnace convenient for removing slag of claim 1, wherein the raking claw comprises a cross bar perpendicular to the moving direction of the raking claw, the cross bar is in sliding fit with the lower side surface of the fixed grate, and a plurality of claw teeth are arranged on the cross bar at intervals along the axial direction of the cross bar.

3. The furnace convenient for removing slag as defined in claim 1, wherein an axially sliding pushing rod is provided on the side wall of said ash storage chamber, one end of said pushing rod is connected to said claw and facing said inlet, and the other end of said pushing rod extends out of said ash storage chamber.

4. The slag removing furnace of claim 3, wherein said slag removing and feeding furnace further comprises a driving mechanism, said driving mechanism comprising:

a rotation unit;

5. The furnace for facilitating slag removal of claim 1, wherein a side of said claw teeth facing away from said inlet is provided with a disengaging ramp, an upper portion of said disengaging ramp being inclined toward said inlet.

6. The furnace convenient for removing slag according to any one of claims 1 to 5, wherein the two side walls of the ash storage cavity at two sides of the inlet are respectively provided with a slideway, the two slideways are respectively parallel to the bearing surface of the fixed grate, and one end of each slideway faces the inlet; two ends of the paw are respectively connected with the two slide ways in a sliding manner.

7. The furnace for facilitating slag removal of claim 6, wherein the body is provided with a feed passage communicating with the hearth, the feed passage for directing fuel onto a portion of the stationary grate remote from the inlet.

8. The furnace convenient for removing slag as defined in any one of claims 1 to 5, wherein said ash falling gap is elongated and the long axis is parallel to the sliding direction of said claw.

9. The furnace facilitating slag removal of any one of claims 1 to 5, wherein the inlet is provided with a self-closing door which is automatically closed; the self-closing door is used for pushing slag pushed by the claw teeth to push away.

10. The furnace for facilitating slag removal of claim 9, wherein the self-closing door includes a door plate, an upper portion of which is hinged to an upper sidewall of the inlet, the door plate drooping in a free state and closing the inlet.