WO2016011916A1

WO2016011916A1 - Ash chamber structure and combustion device comprising ash chamber

Info

Publication number: WO2016011916A1
Application number: PCT/CN2015/084288
Authority: WO
Inventors: 车站斌
Original assignee: 车站斌
Priority date: 2014-07-24
Filing date: 2015-07-17
Publication date: 2016-01-28

Abstract

Disclosed are an ash chamber (4) structure and a combustion device (100) comprising the ash chamber (4) structure. An ash cleaning port (41) is provided on a side wall of the ash chamber (4), a barrier layer (6) is provided between a fire grate (14) and the ash cleaning port (41), an ash falling port (61) is provided on the barrier layer (6), and the ash falling port (61) is provided with an on/off device (62). In an ash discharging state, the on/off device (62) is turned off, so that the ash falling port (61) is in a closed state, thereby preventing air from entering a combustion chamber, reducing or avoiding the influence of an airflow on a combustion state.

Description

Ash chamber structure and solid fuel combustion device

Technical field

The present invention relates to the field of solid fuel combustion, and more particularly to a solid fuel combustion apparatus and a ash chamber structure.

Background technique

Biomass Combustion At present, existing solid fuel combustion devices generally clean the furnace ash in the furnace through a ash cleaning opening on the furnace. During the cleaning process, the airflow formed by the air outside the furnace will inevitably enter the furnace through the cleaning port. These air flows enter the furnace and are in an uncontrollable state, which may adversely affect the desired combustion state within the furnace. For example, in the process of cleaning, if the solid fuel in the furnace is in a closed state, the air flow will re-ignite the solid fuel in the furnace after entering the furnace, increasing the burning loss of the solid fuel during the sealing; if the fuel in the furnace In a burning state, the sudden incoming airflow may roll up the flame in the furnace, and the rolled up flame easily emerges from other outlets of the furnace, causing serious safety accidents.

Therefore, it is necessary to provide a ash chamber structure of a solid fuel combustion device, which can prevent airflow from entering the furnace through the ash cleaning port during cleaning, thereby preventing the airflow from affecting the combustion state in the furnace and reducing the occurrence of safety accidents. .

Summary of the invention

It is an object of the present invention to provide a ash chamber structure that prevents airflow from entering the furnace chamber from the ash cleaning port during cleaning, thereby effectively reducing or avoiding the influence of the gas flow on the combustion state within the furnace.

It is also an object of the present invention to provide a solid fuel combustion apparatus which not only can fully burn volatile matter in a solid fuel, but also solves the problem of welding, ensures continuous combustion of fuel, and effectively reduces or avoids cleaning. The effect of airflow on the state of combustion.

In order to achieve the above object, the present invention provides a ash chamber structure including a ash chamber formed under the furnace of the furnace for receiving the ash, and a ash cleaning port on the side wall of the ash chamber a gap is arranged between the height of the furnace and the cleaning port in the furnace, and the gray chamber is formed below the partition; the partition is provided with a falling ash port, and the falling ash port is correspondingly formed in the furnace The ash outlet is provided with an opening and closing device; in the ashing state, the opening and closing device is closed to close the ash ash port, thereby blocking the gas entering from the ash cleaning port from entering the furnace above the partition.

The invention also provides a solid fuel combustion device, comprising a furnace, an air inlet and a solid fuel feed inlet are arranged on the furnace, the feed inlet is arranged at the top of the furnace, and the inlet is arranged in the furnace There is a furnace for receiving solid fuel entering from the inlet, and the furnace is formed on the inlet side above the furnace on the side of the inlet, and the inlet is opposite to the inlet side. The side furnace is formed as a combustion side; a combustion chamber that is open to the exhaust gas outlet is formed on the combustion side; and a ash chamber is provided below the furnace, the ash chamber having the above-described ash chamber structure.

According to the ash chamber structure of the present invention, when the solid fuel in the furnace is burned, the partition provided between the furnace and the ash cleaning port in the furnace, and the ash ash opening and closing device provided on the partition layer are used. In the state where the cleaning port is closed or the cleaning is turned off, the airflow from the cleaning port and the combustion chamber is controlled to be conducted or blocked, and the air is prevented from entering the furnace by the cleaning port when the cleaning is performed.

When the cleaning door is opened and cleaned, the ashing port is closed by the opening and closing device of the ashing port, and the airflow is effectively blocked by the ash chamber located below the compartment and cannot enter the furnace. In the burning state, the cleaning door is closed, the falling ash port is controlled to open, and the furnace ash smoothly enters the ash chamber from the falling ash port. Therefore, in the whole process from the combustion state to the cleaning state, the gray chamber structure can avoid or reduce the entry of air into the furnace, and correspondingly avoid or reduce the influence of these uncontrollable air flows on the combustion state of the solid fuel in the furnace. The controllability of the combustion state of the combustion device is improved.

Moreover, since the opening and closing device on the ash discharge port can close the ash ash port, the occurrence of a safety accident caused by the airflow entering the furnace and rolling up the flame out of the furnace is avoided, and the safety performance of the combustion device operation is improved.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

Figure 1 is a schematic view showing the structure of a ash chamber in which the drawing door is disposed above the partition layer (the ash ash port is closed);

2 is a schematic structural view of a ash chamber in which the drawing door is disposed above the partition layer according to the present invention (the ash opening is opened);

Figure 3 is a schematic view showing the structure of the ash chamber in which the drawing door of the present invention is disposed under the partition layer (the ash ash port is closed);

Figure 4 is a schematic view showing the structure of the ash chamber in which the drawing door of the present invention is disposed under the partition layer (opening ash opening);

Figure 5 is a schematic view showing the structure of the ash chamber with the drawbar attached to the drawing door of the present invention (opening ash opening);

Figure 6 is a schematic view showing the structure of the ash chamber with the drawbar attached to the drawing door of the present invention (the ash ash port is closed);

Figure 7 is a schematic view showing the structure of the ash chamber with the cable connected to the drawing door of the present invention (the ash opening is opened);

Figure 8 is a schematic view showing the structure of the ash chamber with the cable connected to the drawing door of the present invention (the ash ash port is closed);

Figure 9 is a schematic view showing the structure of the ash chamber in which the partition layer of the present invention is inclined (opening ash opening);

Figure 10 is a schematic view showing the structure of the gray chamber in which the partition layer of the present invention is inclined (the falling ash port is closed);

Figure 11 is a schematic view showing the structure of a gray chamber having a flip door according to the present invention (the falling ash port is closed);

Figure 12 is a schematic view showing the structure of a gray chamber having a flip door according to the present invention (opening ash opening);

Figure 13 is a schematic view showing the structure of a gray chamber having two or more flip doors according to the present invention (the falling ash port is closed);

Figure 14 is a schematic view showing the structure of a gray chamber having two or more flip doors according to the present invention (opening ash opening);

Figure 15 is a schematic view showing the structure of a ash chamber having a louver structure according to the present invention (opening ash opening);

Figure 16 is a schematic view showing the structure of a ash chamber having a louver structure according to the present invention (the ash port is closed);

17 is a schematic structural view of a flip door (or a door pivot structure) with a knob attached thereto;

18 is a schematic structural view of a flip door (or a door pivot structure) connected with a rocker according to the present invention;

Figure 19 is a schematic view showing the structure of the ash chamber of the folding door with the lifting device of the present invention (the ash ash opening is closed);

Figure 20 is a schematic view showing the structure of the ash chamber of the folding door with the lifting device of the present invention (opening ash opening);

Figure 21 is a cross-sectional view taken along line B-B of Figure 19;

Figure 22 is a schematic view showing the structure of a gray chamber having a single-open folding door according to the present invention (opening ash opening);

Figure 23 is a schematic view showing the structure of a gray chamber having a single-open folding door according to the present invention (the falling ash opening is closed);

Figure 24 is a schematic view showing the structure of the ash chamber of the folding door of the present invention (the ash ash is closed);

Figure 25 is a schematic view showing the structure of the ash chamber of the folding door of the present invention (opening ash opening);

Figure 26 is a schematic view showing the structure of a gray chamber having a folding door according to the present invention (opening ash opening);

Figure 27 is a schematic view showing the structure of a ash chamber having a folding door according to the present invention (the ash port is closed);

Figure 28 is a schematic view showing the structure of a ash chamber having a rolling door according to the present invention (opening ash opening);

Figure 29 is a schematic view showing the structure of a ash chamber having a rolling door according to the present invention (the ash port is closed);

Figure 30 is a schematic structural view of the combustion apparatus of the present invention (the falling ash port is closed);

Figure 31 is a schematic view showing the structure of the combustion apparatus of the present invention (the ash opening is opened).

Description of the reference signs:

Combustion device 100; heat exchange device 200; exhaust gas discharge port 201;

Furnace 10; inlet side 101; combustion side 102;

Stack layer 1; feed port 11; air inlet 12; furnace 14; feed hopper 15;

Combustion chamber 3;

Solid fuel 5; furnace ash 53

Ash chamber 4; cleaning port 41; ash hopper 42;

Compartment 6; ash port 61; opening and closing device 62; pull door 621; pin shaft 6211; pin bushing 6212; slide rail 622; cable 623; pull rod 623'; elastic reset device 624; flip door 625; Shaft end 6251; knob 6253; crank handle 6254; Folding door 626; pivot 4261; door pivot structure 6262; control device 627; support rod 6271; lifting device 6272; support shaft 6273; sliding sleeve 6274; lever 6275; fulcrum 6276; folding door 628; pull-up mechanism 6282; 629;

Furnace wall 7; slit 71; through hole 72.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to FIG. 1 to FIG. 29, the present invention proposes a ash chamber structure including a ash chamber 4 formed under the furnace 14 of the furnace 10 for receiving ash, on the side wall of the ash chamber 4. A ash cleaning port 41 is provided, and a partition layer 6 is disposed at a height between the furnace 14 and the ash cleaning port 41 in the furnace 10, and a ash chamber 4 is formed below the partition layer 6; the ash layer 61 is provided on the partition layer 61. The falling ash port 61 is correspondingly formed under the furnace 14; the ash falling port 61 is provided with the opening and closing device 62; in the ash discharging state, the control opening and closing device 62 is closed to close the ash falling port 61, thereby blocking the cleaning from the ash The gas entering the port 41 enters the combustion chamber.

In the present invention, as shown in FIGS. 1 to 29, the shape of the barrier layer 6 corresponding to the underside of the furnace 14 may be a flat plate shape or a cone shape. Of course, the barrier layer 6 can also take other shapes familiar to those skilled in the art, as long as the furnace 10 can be separated from the ash chamber 4.

With the ash chamber structure of the present invention, when the solid fuel in the furnace 10 is burned, the opening and closing device 62 disposed on the partition 6 is controlled to open so that the ash discharge port 61 is opened, so that the ash 53 generated by the combustion of the solid fuel is used. It is possible to fall through the ash port 61 into the ash chamber 4 located below it. When ash is required, the partition 6 provided between the furnace 14 and the cleaning port 41 in the furnace 10, and the opening and closing device 62 of the ash opening provided on the partition 6 are realized in the cleaning. When the port 41 is opened and cleaned, the air flow of the cleaning port 41 and the combustion chamber 3 is controlled to be conducted or blocked, and air is prevented from entering the furnace 10 by the cleaning port 41.

When the cleaning door 41 is opened, the ash opening 61 is closed by the opening and closing device 62 of the ash discharge port 61, thereby effectively preventing the airflow from entering the ash chamber 4 below the partition 6 and not directly entering the furnace 10. The cleaning door 41 is closed in the burning state, the ash opening 61 is controlled to open, and the furnace ash smoothly enters the ash chamber 4 from the ash discharge port 61. Further, in the whole process from the combustion state to the cleaning state, the ash chamber structure can avoid or reduce the entry of air into the furnace 10, and correspondingly avoid or reduce the combustion state of the solid fuel in the furnace 10 by these uncontrollable air flows. The effect of improving the controllability of the combustion state of the combustion device.

Moreover, since the opening and closing device 62 on the ash discharge port 61 can close the ash discharge port 61, the airflow entry is avoided. The occurrence of a safety accident caused by the rolling of the flame out of the furnace 10 in the furnace 10 improves the safety performance of the combustion device.

In an optional example of the present invention, as shown in FIG. 15 and FIG. 16, a ash hopper 42 is disposed in the ash chamber 4, and the ash hopper 42 can be pulled out from the ash cleaning port 41 and pulled out when the ash ash port 61 is closed. The ash hopper 42 can perform the ashing operation.

In the present invention, the cleaning port 41 is in a closed state in a normal state (in a non-cleaning state). The cleaning port 41 can be closed by the outer wall of the ash hopper 42 as shown in FIG. Of course, other methods may be used. For example, the cleaning door 41 may be provided with a cleaning door (not shown). When the ash hopper 42 is inserted into the ash chamber 4, the cleaning door closes the cleaning port 41, preventing the ash door 41 from being closed. The air enters the furnace 10 from the cleaning port 41; when the cleaning is required, the cleaning door is opened in the closed state of the falling gray port 61 to clear the furnace ash, or the ash hopper 42 is pulled out to perform the ash discharging operation.

The opening and closing device 62 of the present invention can be understood by those skilled in the art as long as it can be closed in the ashing state to make the ash ash port 61 closed, and in the burning state, the ash ash opening 61 can be opened. The specific structure can be designed as needed, and no limitation is imposed here.

The present invention will now be described in more detail by way of specific examples of the construction of several opening and closing devices 62.

Embodiment 1

In the present embodiment, as shown in FIGS. 1 to 4, the opening and closing device 62 is a drawing door 621 that moves along the upper surface or the lower surface of the partition 6, and the drawing door 621 is in a closed state at the ash port 61. Thus, in the burning state, the cleaning port 41 is closed, and the drawing door 621 is moved to move along the upper surface of the partition 6 or the lower surface facing away from the ash opening 61, so that the ash opening 61 is opened. In this state, the ash 53 generated by the combustion of the solid fuel in the furnace 10 at this time falls through the ash discharge port 61 into the ash chamber 4 located below the ash discharge port 61. When it is necessary to perform cleaning, the sliding door 621 is moved to move back to the ash ash port 61 and block the ash ash port 61, so that the ash ash port 61 is in a closed state, and at this time, the ash cleaning port 41 is opened again, and the ash cleaning port is opened. When the incoming airflow is effectively blocked by the compartment 6 and the extraction door 621 and cannot directly enter the furnace, the effect of these uncontrollable airflows on the combustion state of the solid fuel in the furnace 10 is correspondingly avoided or reduced. The controllability of the combustion state of the combustion device is improved.

In an optional example of the embodiment, as shown in FIG. 1 to FIG. 4, the furnace wall 7 above or below one end of the partition 6 is provided with a slit 71 into which the drawing door 621 is inserted, and the drawing door 621 can be The slit 71 is inserted into the furnace 10 along the surface of the partition 6 to block the ash discharge port 61 so that the ash discharge port 61 is closed. When the solid fuel burns, the cleaning port 41 is closed, and the drawing door 621 is pulled out from the slit 71, so that the falling ash port 61 is in an open state, and the ash 53 generated by the combustion of the solid fuel can pass through the ash port. 61 smoothly falls into the ash chamber 4; when cleaning is required, the drawing door 621 is inserted into the furnace 10 by the slit 71 and blocks the ash port 61, so that the ash port 61 is closed, and the ash port is opened. 41 can be cleaned.

In an optional example of the embodiment, as shown in FIG. 1 to FIG. 4, the inner end of the drawing door 621 is provided with a pin 6211. One side of the furnace wall 7 is provided with a pin bushing 6212. When the drawing door 621 is pulled out of the grate 10, the pin shaft 6211 can enter the pin bushing 6212, and the drawing door 621 can pass through the pin shaft 6211 and the pin shaft. The rotation of the sleeve 6212 is folded up or down to the outside of the furnace wall 7. Since the drawing door 621 pulled out of the furnace 10 is folded on the outer side of the furnace wall 7, the space occupied by the combustion device is further saved, and the operation of the operator is also facilitated. And the drawing door 621 folded on the outside of the furnace wall 7 can block the gap 71 at the furnace wall, prevent the air outside the furnace from entering the furnace 10 through the slit 71, and improve the combustion state of the solid fuel in the combustion device. Controllability.

In an alternative example of the draw gate 621, as shown in FIGS. 1 and 2, the draw gate 621 can be disposed above the barrier layer 6 and can slide along the upper surface of the barrier layer 6.

In another optional example of the pull gate 621, as shown in FIGS. 3 and 4, the pull gate 621 may be disposed under the spacer 6, as shown in FIGS. 3 and 4, under the spacer 6. The surface is provided with a slide rail 622 which is inserted into the slide rail 622 and can slide along the lower surface of the partition layer 6.

In the present embodiment, as shown in FIGS. 1 to 4, the shape of the spacer 6 corresponding to the lower portion of the furnace 14 is a flat plate shape to facilitate the reciprocating movement of the drawing door 621.

Embodiment 2

In the present embodiment, as shown in FIGS. 5 to 10, the opening and closing device 62 is also a drawing door 621 that moves along the upper surface of the partition 6 or the lower surface of the partition 6, and the drawing door 621 is located at the ash port 61. It is in a closed state. The difference between this embodiment and the first embodiment is that in the present embodiment, at least one end of the drawing door 621 is connected with a cable 623 or a tie rod 623'. When the solid fuel is burned, the cleaning port 41 is closed, and the drawing door 621 is moved along the upper surface of the partition layer 6 or the lower surface facing away from the ash discharge port 61, so that the ash discharge port 61 is in an open state, and the solid fuel is burned. The ash can be smoothly dropped into the ash chamber 4 through the ash port 61; when the ash is required to be cleaned, the drawing door 621 is moved in the opposite direction to block the ash port 61, so that the ash port 61 is closed. Open the cleaning port 41 for cleaning.

In an optional example of the embodiment, as shown in FIG. 5 and FIG. 6, one end of the drawing door 621 is connected with a pull rod 623', and the pull rod 623' is electrically connected to the furnace wall 7 through a through hole 72 located in the furnace wall 7. Further, the pulling door 621 can be moved along the upper surface of the partition 6 by pulling the pull rod 623' outward to control the opening and closing state of the drawing door 621. The pull rod 623' pulled out by the through hole 72 can be folded up or down to the outside of the furnace wall 7 to facilitate fixing and save space.

In another optional example of the embodiment, as shown in FIG. 7 and FIG. 8 , the drawing door 621 is connected with a cable 623 at one end thereof, and the cable 623 is electrically connected to the furnace wall through a through hole 72 located in the furnace wall 7 . Further, by pulling the cable 623, the cable 623 can be moved along the upper surface of the partition 6 to control the opening and closing state of the drawing door 621.

In an optional example of the embodiment, as shown in FIG. 7 and FIG. 8, at the corresponding end of the drawing door 621 and the cable 623 An elastic return device 624 may also be provided. The elastic return device 624 may be formed of a spring or other elastic body. As shown in FIG. 7, the pull-back door 621 is pulled under the elastic restoring force of the elastic return device 624. The ash port 61 is opened on one side of the ash port 61. At this time, the ash 53 generated by the combustion of the solid fuel can smoothly fall into the ash chamber 4 through the ash port 61. When the cleaning is required, as shown in FIG. 8, the cable 623 is pulled outside the furnace wall 7, and the pulling door 621 is moved by the cable 623 against the elastic restoring force of the elastic returning device 624 to move toward the ash port 61. Finally, the ash discharge port 61 is blocked, the ash ash port 61 is closed, and the ash cleaning port 41 is opened for cleaning.

In another optional example of the embodiment, as shown in FIG. 9 and FIG. 10, the partition layer 6 is inclined downward from the side of the furnace 14 to the other side, and the door 621 is pulled apart by the gravity of the self. The low end movement of the layer 6 is as shown in Fig. 9. When the drawing door 621 is kept on the burning side, the ash opening 61 is opened, and at this time, the ash 53 generated by the combustion of the solid fuel can pass through the ash port 61. Dropped smoothly into the ash room 4. When the cleaning is required, as shown in FIG. 10, the cable 623 is pulled outside the furnace wall 7, and the pulling door 621 is moved by the cable 623 to overcome the gravity of the cable to move toward the ash hopper 61 and finally block the ash. The port 61 is such that the ash discharge port 61 is in a closed state, and the ash cleaning port 41 is opened to perform cleaning.

In an optional example of the embodiment, the two sides of the drawing door 621 may be provided with a positioning chute along the inner side of the furnace wall 7, and the drawing door 621 can be pulled along the chute to further ensure the drawing door 621. Can be smoothly pulled out and pulled back.

In the present embodiment, as shown in FIGS. 5 to 10, the shape of the spacer 6 corresponding to the lower portion of the furnace 14 is a flat plate shape to facilitate the reciprocating movement of the drawing door 621.

Embodiment 3

In the present embodiment, as shown in FIGS. 11 to 18, the opening and closing device 62 is constituted by at least one inverting door 625 disposed at the ash discharge port 61, and the control flip door 625 is in a substantially horizontal state, and the ash discharge port 61 is closed. . In the burning state, the flip door 625 is controlled to be in a substantially vertical state, so that the ash discharge port 61 is opened, and the ash generated by the combustion of the solid fuel in the furnace 10 can be dropped to the ash port 61. The ash chamber 4 below the ash discharge port 61 is inside. When it is necessary to perform cleaning, the control flip door 625 is in a substantially horizontal state and is shielded from the ash discharge port 61, so that the ash discharge port 61 is in a closed state, and at this time, the ash cleaning port 41 is opened again, and is entered by the ash cleaning port 41. The airflow is effectively blocked by the compartment 6 and the flip door 625 and cannot directly enter the furnace, thereby correspondingly avoiding or reducing the influence of these uncontrollable airflows on the combustion state of the solid fuel in the furnace 10, and improving the combustion apparatus. The controllability of the combustion state.

In an alternative example of the embodiment, the flip door 625 can also be mounted with a torsion elastic element. In the present invention, the form of the torsion elastic element is not limited. The function of the torsion elastic element is to be able to twist the flip door 625. In a substantially vertical position, the ash port 61 is opened.

In an optional example of the embodiment, as shown in FIGS. 11 and 12, the opening and closing device 62 is only provided by a flip door 625. Composition. When the flip door 625 is in a substantially horizontal state, the periphery of the flip door 625 is in contact with the periphery of the ash apex 61 to close the ash apex 61.

In another optional example of the embodiment, as shown in FIGS. 13 and 14, the opening and closing device 62 has two or more flip doors 625, and the rotation axes of the two or more flip doors 625 are parallel. When the two or more flip doors 625 are in a substantially horizontal state, the dust discharge port 61 can be closed. The two or more flip doors 625 are connected by a linkage rod, and all the flip doors 625 can be controlled to rotate simultaneously by the linkage lever.

In a preferred embodiment of the embodiment, as shown in Figures 13 and 14, the flip door 625 is constructed of a louver structure, the axis of rotation of which is substantially horizontal. And the louver structure can also be provided with a linkage rod, and the rotation of the louver structure is controlled by the linkage rod.

In an optional example of the embodiment, the rotating shaft end 6251 of the at least one flip door 625 or the rotating shaft end 6251 of each flip door 625 extends out of the outer side of the furnace wall 7, and the rotating shaft end 6251 can be connected as shown in FIG. The knob 6253, or the rotating shaft end 6251, may be connected with a crank 6254 as shown in FIG. 18, and the rotation of the flip door 625 is controlled by rotating the knob 6253 or the crank 6254 so that the ash port 61 is in an open or closed state.

In the present embodiment, as shown in FIGS. 11 to 14, the shape of the spacer 6 corresponding to the lower portion of the furnace 14 may be a cone shape, or, as shown in FIGS. 15 and 16, the spacer 6 may also be designed as a flat plate. shape.

Embodiment 4

In the present embodiment, as shown in FIGS. 19 to 25, the opening and closing device 62 is rotated about the pivot 6261 in a single opening (as shown in FIGS. 22 and 23) or off (as shown in FIGS. 24 and 25). Folding door 626. When the solid fuel is burned, the control folding door 626 is in a substantially vertical state to open the ash discharge port 61, so that the ash 53 produced by the combustion of the solid fuel can fall into the ash chamber 4 located below it through the ash discharge port 61. When the ash is required to be ashed, the control folding door 626 is in a substantially horizontal state and blocks the ash discharge port 61 so that the ash discharge port 61 is in a closed state. At this time, the ash discharge port 41 is opened again, and the ash discharge port 41 enters. The airflow is effectively blocked by the compartment 6 and the folding door 626 and cannot directly enter the furnace, and accordingly the effect of these uncontrollable airflows on the combustion state of the solid fuel in the furnace 10 is avoided or reduced, and the combustion apparatus is improved. The controllability of the combustion state.

In an optional example of the embodiment, as shown in FIGS. 19 and 20, the folding door 626 further includes a control device 627. The control device 627 of the folding door 626 includes at least one support rod 6271, and the support rod 6271 is hinged at one end. Supported on the side of the folding door 626 corresponding to the folding; the other end of the support rod 6271 has a controlled lifting device 6272. The lifting device 6272 drives the support rod 6271 to move up and down, thereby driving the folding door 626 to rotate about the pivot 6261.

In an optional example of the embodiment, as shown in FIG. 19 to FIG. 21, the lifting device 6272 has a sliding sleeve 6274 which can be moved up and down along the vertical setting support shaft 6273, and one end of the supporting rod 6271 is connected to the sliding sleeve 6274. Through the slip sleeve 6274 The opening and closing of the folding door 626 at the other end of the support rod 6271 can be controlled by the lifting along the support shaft 6273.

In an optional example of the embodiment, as shown in FIG. 21, the sliding sleeve 6274 can be controlled by the lever 6275 which is open outside the furnace wall 7, and one end of the lever 6275 is hinged to the sliding sleeve 6274, and the fulcrum of the lever 6275 6276 is located on the furnace wall 7; the other end of the lever 6275 is located outside the furnace wall 7 and is provided with fixing means. When it is necessary to close the ash port 61, the pressing lever 6275 is located at one end of the furnace wall 7, so that the end of the lever 6275 located in the furnace 10 is upturned and drives the sliding sleeve 6274 to rise; under the driving of the rising sliding sleeve 6274, the support The lever 6271 drives the folding door 626 to rotate upward about the pivot 6261 to close the ash port 61. When it is necessary to open the ash ash port 61, the lifting lever 6275 is located at one end of the furnace wall, so that the lever 6275 is located at one end of the furnace 10 and moves down the sliding sleeve 6274; under the driving of the descending sliding sleeve 6274, the supporting rod The 6271 drives the folding door 626 to rotate downward about the pivot 6261 to open the ash port 61. When it is necessary to leave the ash discharge port 61 in an open state or a closed state for a long time, the fixing device may be used to fix the end of the lever 6275 outside the furnace wall 7.

In another optional example of the embodiment, as shown in FIGS. 22 to 25, the folding door 626 is provided with a door pivot structure; the shaft end of the door pivot structure 6262 extends beyond the outside of the furnace wall 7, and the extending wall The outer shaft end of the 7 is connected with a knob or a rocker, and the door pivot structure 6262 is rotated by a knob or a rocker to control the opening and closing state of the folding door 626.

In an alternative example of the embodiment, the door pivot structure 6262 of the folding door 626 is provided with a torsion elastic element. In this embodiment, the form of the torsion elastic element is not limited, and the function of the torsion elastic element is The folding door 625 can be twisted in a substantially vertical position to open the ash opening 61.

In the present embodiment, as shown in FIGS. 22 to 24, the shape of the spacer 6 corresponding to the lower portion of the furnace 14 may be a cone shape, or, as shown in FIGS. 19 to 21, the spacer 6 may also be designed as Flat shape.

Embodiment 5

In the present embodiment, as shown in Figs. 26 and 27, the opening and closing device 62 is a folding door 628 provided parallel to the ash discharge port 61. In the burning state, the folding door 628 is controlled to be gathered to the outside of the ash discharge port 61, so that the ash discharge port 61 is opened, and the ash generated by the combustion of the solid fuel in the furnace 10 can be dropped through the ash discharge port 61. To the ash chamber 4 located below the ash apex 61. When it is necessary to perform cleaning, the folding door 628 is controlled to be stretched at the ash discharge port 61 and the ash discharge port 61 is blocked, so that the ash discharge port 61 is closed, and then the ash cleaning port 41 is opened again. The airflow entering the ash port 41 is effectively blocked by the partition 6 and the folding door 628 and cannot directly enter the furnace, and accordingly the effect of these uncontrollable air flows on the combustion state of the solid fuel in the furnace 10 is avoided or reduced. The controllability of the combustion state of the combustion device is improved.

In an optional example of the embodiment, as shown in FIGS. 26 and 27, at least one end of the folding door 628 is provided with an elastic returning device capable of keeping the folding door 628 folded into a collapsed state; The other end is provided with a pulling mechanism 6282. In the ashing state, the pulling mechanism 6282 stretches the folding door 628 at the ash ash opening. In this reality In the embodiment, the specific form of the elastic return device and the retracting mechanism 6282 may be not limited as long as the function of folding and pulling the folding door can be satisfied.

In an alternative example of this embodiment, the pull mechanism 6282 can be a cable or a post or lever.

In an alternative example of this embodiment, as shown in FIGS. 26 and 27, the shape of the barrier layer 6 corresponding to the underside of the furnace 14 is in the shape of a flat plate to facilitate the folding and unfolding of the folding door 621.

Embodiment 6

In the present embodiment, as shown in Figs. 28 and 29, the opening and closing device 62 is a roller shutter door 629 which is substantially parallel to the ash discharge port. In the burning state, the rolling door 629 is controlled to be gathered to the outside of the ash discharge port 61, so that the ash discharge port 61 is opened, and the ash 53 generated by the combustion of the solid fuel in the furnace 10 can be dropped through the ash discharge port 61. To the ash chamber 4 located below the ash apex 61. When it is necessary to perform cleaning, the rolling door 629 is controlled to be stretched at the ash discharge port 61 and the ash discharge port 61 is blocked, so that the ash discharge port 61 is closed, and then the ash cleaning port 41 is opened again, and the ash cleaning port 41 is opened. The airflow entering the port 41 is effectively blocked by the partition 6 and the shutter door 629 and cannot directly enter the furnace, thereby correspondingly avoiding or reducing the influence of these uncontrollable air flows on the combustion state of the solid fuel in the furnace 10, thereby improving Controllability of the combustion state of the combustion device.

In an alternative example of the present embodiment, at least one end of the rolling door 629 protrudes beyond the furnace wall 7, and the opening and closing state of the shutter door 629 with respect to the ash discharge port 61 is controlled by manually controlling the rotation change of the reel.

In another optional example of the embodiment, at least one end of the rolling door 629 protrudes from the furnace wall 7, and an electric device is connected to one end of the reel extending from the furnace wall 7, and the rotation of the reel is controlled by the electric device. The opening and closing state of the shutter door 629 with respect to the ash discharge port 61 is changed.

In an alternative example of the present embodiment, as shown in FIGS. 28 and 29, the shape of the partition 6 corresponding to the underside of the furnace 14 is in the shape of a flat plate to facilitate the gathering and unfolding of the shutter door 629.

The present invention also provides a solid fuel combustion apparatus 100 having the above-described gray chamber structure. As shown in FIGS. 30 and 31, the combustion apparatus 100 includes a furnace 10 on which an air inlet 12 and a solid fuel feed are provided. The port 11, the feed port 11 is provided at the top of the furnace 10, and the corresponding feed port 11 in the furnace 10 is provided with a furnace 14 for receiving the solid fuel 5 entering from the feed port 11, and a furnace on the side of the feed port The upper furnace is formed as the inlet side 101, the furnace on the other side of the inlet port 11 opposite to the inlet side 101 is formed as a combustion side 102; on the combustion side 102 is formed a combustion chamber 3 which is electrically connected to the outlet outlet 201; The furnace 14 has a void structure for ash discharge, a ash chamber 4 is disposed below the furnace 14, a ash cleaning port 41 is provided on the side wall of the ash chamber 4, and a furnace 14 and a ash cleaning port 41 in the furnace 10 are provided. A partition layer 6 is disposed between the heights, and a ash chamber 4 is formed below the partition layer 6; the ash layer 61 is disposed on the partition layer 6, and the ash ash port 61 is formed correspondingly below the furnace raft 14; The opening and closing device 62; in the ash discharging state, the control opening and closing device 62 is closed to make the ash ash port 61 closed, thereby blocking entry from the ash cleaning port 41. The gas enters the combustion chamber.

In the specific example of the solid fuel combustion apparatus 100 of the present invention, any of the gray chamber structures described in the above-described first to sixth embodiments may be employed, and will not be described in detail herein.

The above description of the present invention is intended to be illustrative only, and various modifications that do not depart from the gist of the present invention are intended to be within the scope of the present invention. These variations are not to be regarded as a departure from the spirit and scope of the invention.

Claims

A ash chamber structure comprising a ash chamber formed under the furnace of the furnace for receiving ash, and a ash cleaning port on the side wall of the ash chamber, characterized in that a height is disposed between the furnace and the cleaning port, and the ash chamber is formed below the partition; the partition layer is provided with a ash ash opening, and the ash ash port is correspondingly formed under the furnace; The ash port is provided with an opening and closing device; in the ash discharging state, the opening and closing device is closed to close the ash ash port, and the gas entering from the ash cleaning port is blocked from entering the combustion chamber.
A ash chamber structure according to claim 1, wherein said partition corresponding to the underside of the furnace is in the shape of a flat plate or a cone.
The ash chamber structure according to claim 1, wherein the opening and closing device is a drawing door that moves along an upper surface or a lower surface of the partition, and the drawing door is in a closed state at the ash ash opening.
The ash chamber structure according to claim 3, wherein a gap in which the drawing door is inserted is provided at a furnace wall above or below one end of the partition, and the drawing door is inserted along the surface of the partition by the slit. In the furnace, the ash outlet is closed.
The ash chamber structure according to claim 4, wherein the inner end of the drawing door is provided with a pin shaft, and one side of the furnace wall is provided with a pin bushing, and the pin shaft enters the pin bushing and is rotated upward or downward to be folded on Outside the furnace wall.
The ash chamber structure according to claim 3, wherein one end of the drawing door is connected with a cable or a pull rod, and the cable leads through the through hole of the furnace wall to the outside of the furnace wall, and pulls the cable to control the drawing door. Open and close state.
The ash chamber structure according to claim 6, wherein the corresponding end of the drawing door and the cable is provided with an elastic returning device for pulling the drawing door in an open state of the ash ash opening.
The ash chamber structure according to claim 6, wherein the partition layer is inclined downward from the furnace side toward the combustion chamber side, the drawing door is maintained on the combustion side, and the ash discharge opening is opened.
The ash chamber structure according to any one of claims 3-8, characterized in that both sides of the drawing door are provided with positioning sliding grooves along the inner side of the furnace wall, and the drawing doors are pulled along the sliding grooves.
A ash chamber structure according to claim 1, wherein said opening and closing means is constituted by at least one inverting door provided at the ash ash opening.
The ash chamber structure according to claim 10, wherein the at least one flip door or the rotating shaft end of each flip door extends outside the furnace wall, and the rotation of the door is reversed by the control of the knob or the crank handle.
The ash chamber structure according to claim 11, wherein the flip door has two or more, and the two or more flip doors are connected by a linkage rod to control all the flip doors to rotate at the same time.
A ash chamber structure according to claim 10, wherein said flip door is constructed of a louver structure, said The axis of rotation of the louvers is substantially horizontal.
The ash chamber structure of claim 1 wherein said opening and closing means is a single-open or split pivoting hinge door.
The ash chamber structure according to claim 14, wherein the folding door control device comprises at least one support rod, the support rod is hingedly supported at one end to the hinge door corresponding to the folding side; and the support rod is further A controlled lifting device is provided at one end.
The ash chamber structure according to claim 15, wherein the lifting device has a sliding sleeve that can be raised and lowered along a vertical setting support shaft, the support rod is connected to the sliding sleeve, and the lifting and lowering of the sliding sleeve can control the supporting rod The folding door at the other end is opened.
The ash chamber structure according to claim 16, wherein the sliding sleeve is controlled to be lifted and lowered by a lever that is open outside the furnace wall, the lever is hinged at one end to the sliding sleeve, and the fulcrum is located at the furnace wall; The other end of the lever is located outside the furnace wall and is provided with a fixture.
The ash chamber structure according to claim 17, wherein the folding door is provided with a door pivot structure; the shaft end of the door pivot structure extends outside the furnace wall, and is rotated by a knob or a rocker to control The opening and closing state of the folding door.
A ash chamber structure according to claim 1, wherein said opening and closing means is a folding door disposed parallel to the ash ash opening.
The ash chamber structure according to claim 19, wherein at least one end of the folding door is provided with an elastic returning device, the elastic returning device keeps the folding door gathered to be in a folded state; and the other end is provided with a pulling mechanism, In the ashing state, the pulling mechanism pulls the folding door at the ash ash opening.
A ash chamber structure according to claim 1 wherein said opening and closing means is a roller shutter that is substantially parallel to the ash ash opening.
The ash chamber structure according to claim 21, wherein at least one end of the rolling door protrudes outside the furnace wall, and its rotation relative to the ash ash opening is changed by manual or electric control of its rotation.
A solid fuel combustion device includes a furnace having an air inlet and a solid fuel feed port on the furnace, wherein the feed port is disposed at the top of the furnace, and the feed port is disposed corresponding to the feed port in the furnace a furnace for receiving solid fuel entering from the feed inlet, the furnace is formed on the inlet side above the furnace on the side of the inlet, and the furnace on the other side of the inlet opposite to the inlet is formed as a combustion side; A combustion chamber that is open to the exhaust gas outlet is formed on the combustion side; a ash chamber is provided below the furnace, the ash chamber having the ash chamber structure according to any one of claims 1 to 22.