Multi-fuel kiln

Abstract

The utility model discloses a multi-fuel kiln, which relates to the technical field of kilns and comprises a kiln body (1) and a mounting frame (2), the kiln body (1) is arranged on the mounting frame (2), a working bin (3) is arranged on the kiln body (1), a firewood burning port (7) and an ash removal port (8) are sequentially arranged on the side face of the kiln body (1) from top to bottom, and the firewood burning port (7) is communicated with the ash removal port (8). The firewood burning opening (7) is formed under the working bin (3), a plurality of fuel inlets (11) are formed in the back face of the kiln body (1), the fuel inlets (11) are communicated with the interior of the firewood burning opening (7), and a sealing block (12) matched with the firewood burning opening (7) is arranged on the firewood burning opening (7). The temperature rise is slow, and the fuel consumption is high.

Description

Technical Field

[0001] The utility model relates to the technical field of kilns, in particular to a multi-fuel kiln. Background Art

[0002] A kiln is a furnace used to fire ceramic objects and sculptures or to fuse enamel to the surface of metal objects. It is usually made of bricks and stones, and can be made into various sizes according to needs. It can be operated by combustible gas, oil or electricity. Electric kilns are easier to control temperature than kilns that use combustible gas and oil. From the open-air pile firing and pit-digging firing in primitive society to the steamed bun-shaped rising flame round kiln, semi-downdraft horseshoe kiln, half-slope dragon kiln, duck egg-shaped kiln, and today's indoor gas kiln and electric kiln, kiln technology is constantly improving and developing.

[0003] In the process of using the existing kiln, the fuel cannot be fully burned, the working efficiency is low, the temperature rises slowly, and the fuel consumption is high. Therefore, a multi-fuel kiln is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-fuel kiln, which solves the problems of the existing kiln in which the fuel is not fully burned, the working efficiency is low, the temperature rises slowly, and the fuel consumption is high during use.

[0005] The utility model is implemented as follows: a multi-fuel kiln comprises a kiln body and a mounting frame, wherein the kiln body is arranged on the mounting frame, a working bin is arranged on the kiln body, a firewood port and an ash removal port are arranged on the side of the kiln body in sequence from top to bottom, the firewood port is placed directly below the working bin, a plurality of fuel inlets are arranged on the back of the kiln body, the fuel inlet is communicated with the interior of the firewood port, a sealing block matching the firewood port is arranged on the firewood port, a first heating air hole and a second heating air hole are arranged on the bottom surface of the working bin, and the bottom ends of the first heating air hole and the second heating air hole are communicated with the interior of the firewood port.

[0006] A further technical solution of the utility model is: an upper exhaust port is provided at the top of the working chamber, and a lower exhaust port is provided at the bottom of the working chamber.

[0007] A further technical solution of the utility model is: an upper smoke exhaust pipe and a lower smoke exhaust pipe are provided on the side of the kiln body, the upper smoke exhaust pipe is communicated with the upper exhaust port, and the lower smoke exhaust pipe is communicated with the lower exhaust port.

[0008] A further technical solution of the utility model is: a plurality of equally spaced second carbon rod placement grooves are provided on the inner walls on both sides of the working chamber, and a plurality of equally spaced first carbon rod placement grooves are provided on the inner wall of the working chamber close to the back side of the kiln body.

[0009] A further technical solution of the utility model is: a first carbon rod opening is provided on the side of the kiln body, the first carbon rod opening is communicated with the first carbon rod placement groove, and a second carbon rod opening is provided on the back of the kiln body, the second carbon rod opening is communicated with the second carbon rod placement groove.

[0010] A further technical solution of the utility model is: a temperature-insulating door and a sealing door are provided on the mounting frame, the temperature-insulating door is matched with the firewood burning port, and the sealing door is matched with the ash removal port.

[0011] A further technical solution of the utility model is: a furnace door is provided on the mounting frame, the furnace door is connected to the rotating shaft of the mounting frame, and the furnace door is adapted to the working chamber.

[0012] A further technical solution of the utility model is: a surface of the furnace door in contact with the working chamber is provided with a plurality of third carbon rod placement grooves distributed at equal intervals, and a side surface of the furnace door is provided with third carbon rod openings corresponding to the third carbon rod placement grooves.

[0013] A further technical solution of the utility model is: a carbon rod is arranged in the third carbon rod placement groove, and the carbon rod is placed inside the carbon rod placement groove through the third carbon rod opening.

[0014] Beneficial effects of the utility model: Compared with the traditional kiln, the utility model is a vertical kiln. According to the situation, multiple fuels can be used for mixed combustion or single combustion; at the same time, two chimneys (upper exhaust pipe and lower exhaust pipe) are provided, and direct flame or reverse flame exhaust can be selected according to different product requirements. Close the upper exhaust port, internal circulation, and reverse flame; close the lower exhaust port and perform direct flame exhaust. Not only can the combustion temperature be more uniform, but also the fuel can be burned more fully. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of a multi-fuel kiln provided by the utility model;

[0016] Figure 2 This is a schematic diagram of a smoke exhaust structure of a multi-fuel kiln provided by the utility model;

[0017] Figure 3 This is a schematic diagram of the back structure of a multi-fuel kiln provided by the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of a multi-fuel kiln provided by the utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of a working chamber of a multi-fuel kiln provided by the utility model;

[0020] Figure numerals: 1. kiln body; 2. mounting frame; 3. working chamber; 31. first carbon rod placement slot; 311. first carbon rod opening; 32. second carbon rod placement slot; 321. second carbon rod opening; 33. upper exhaust port; 34. first heating air hole; 35. second heating air hole; 36. lower exhaust port; 4. furnace door; 41. third carbon rod placement slot; 42. third carbon rod opening; 43. carbon rod; 5. upper smoke exhaust pipe; 6. lower smoke exhaust pipe; 7. wood burning port; 8. ash removal port, 9. thermal insulation door; 10. sealing door; 11. fuel inlet; 12. sealing block. DETAILED DESCRIPTION

[0021] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0022] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of the present specification are only used to match the contents disclosed in the specification for people familiar with the technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present utility model, should still fall within the scope of the technical contents disclosed by the present utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the present specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present utility model. The change or adjustment of the relative relationship, without substantial change of the technical contents, should also be regarded as the scope of the implementation of the present utility model.

[0023] Figure 1-Figure 5 The structure of a multi-fuel kiln is shown, including a kiln body 1 and a mounting frame 2. The kiln body 1 is arranged on the mounting frame 2. A working bin 3 is provided on the kiln body 1. A firewood port 7 and an ash removal port 8 are provided on the side of the kiln body 1 from top to bottom. The firewood port 7 is placed directly below the working bin 3. A plurality of fuel inlets 11 are provided on the back of the kiln body 1. The fuel inlet 11 is connected to the inside of the firewood port 7. A sealing block 12 matching the firewood port 7 is provided on the firewood port 7. A first heating air hole 34 and a second heating air hole 35 are provided on the bottom surface of the working bin 3. The bottom ends of the first heating air hole 34 and the second heating air hole 35 are connected to the inside of the firewood port 7.

[0024] Among them, an upper exhaust port 33 is provided at the top of the working chamber 3, and a lower exhaust port 36 is provided at the bottom of the working chamber 3; at the same time, an upper smoke exhaust pipe 5 and a lower smoke exhaust pipe 6 are provided on the side of the kiln body 1, the upper smoke exhaust pipe 5 is connected to the upper exhaust port 33, and the lower smoke exhaust pipe 6 is connected to the lower exhaust port 36.

[0025] According to different requirements of products, direct flame or reverse flame exhaust can be selected. Close the upper exhaust port 33, internal circulation, and reverse flame; close the lower exhaust port 36 to perform direct flame exhaust.

[0026] like Figure 4 As shown, a plurality of equally spaced second carbon rod placement grooves 32 are provided on the inner walls on both sides of the working chamber 3, and a plurality of equally spaced first carbon rod placement grooves 31 are provided on the inner wall of the working chamber 3 near the back side of the kiln body 1.

[0027] In contrast, a first carbon rod opening 311 is provided on the side of the kiln body 1, and the first carbon rod opening 311 is communicated with the first carbon rod placement groove 31. A second carbon rod opening 321 is provided on the back of the kiln body 1, and the second carbon rod opening 321 is communicated with the second carbon rod placement groove 32. Carbon rods can be placed inside the working chamber 3 through the first carbon rod opening 311 and the second carbon rod opening 321 to better control the temperature.

[0028] like Figure 1 As shown, the mounting frame 2 is provided with a heat-insulating door 9 and a sealing door 10, the heat-insulating door 9 is matched with the wood burning port 7, and the sealing door 10 is matched with the ash removal port 8. The heat-insulating door 9 can effectively prevent heat loss and maintain a constant temperature inside; the sealing door 10 can prevent the ash after the fuel is burned from escaping, and also has a heat-insulating effect to a certain extent.

[0029] like Figure 1 as well as Figure 4 The mounting frame 2 is provided with a furnace door 4, which is connected to the rotating shaft of the mounting frame 2 and is adapted to the working chamber 3. The furnace door 4 has two functions: one is to isolate the working chamber 3 from the outside world and maintain a constant temperature; the other is to install the carbon rod 43 so that the temperature inside the working chamber 3 can be better controlled.

[0030] A plurality of equally spaced third carbon rod placement grooves 41 are provided on the side of the furnace door 4 that contacts the working chamber 3, and a third carbon rod opening 42 corresponding to the third carbon rod placement groove 41 is provided on the side of the furnace door 4. A carbon rod 43 is provided in the third carbon rod placement groove 41, and the carbon rod 43 is placed inside the third carbon rod placement groove 41 through the third carbon rod opening 42.

[0031] like Figure 3 As shown, the fuel inlet 11 is usually sealed with a sealing block 12. When fuel needs to be added, the sealing block 12 is opened and the fuel is added by a spray gun-type feeding method.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-fuel kiln, comprising a kiln body (1) and a mounting frame (2), wherein the kiln body (1) is arranged on the mounting frame (2), and is characterized in that: The kiln body (1) is provided with a working chamber (3), and the side of the kiln body (1) is provided with a firewood port (7) and an ash removal port (8) in sequence from top to bottom, and the firewood port (7) is placed directly below the working chamber (3). The back of the kiln body (1) is provided with a plurality of fuel inlets (11), and the fuel inlets (11) are connected to the inside of the firewood port (7). The firewood port (7) is provided with a sealing block (12) matching therewith, and the bottom surface of the working chamber (3) is provided with a first heating air hole (34) and a second heating air hole (35), and the bottom ends of the first heating air hole (34) and the second heating air hole (35) are connected to the inside of the firewood port (7).

2. A multi-fuel kiln according to claim 1, characterized in that: An upper exhaust port (33) is provided at the top of the working chamber (3), and a lower exhaust port (36) is provided at the bottom of the working chamber (3).

3. A multi-fuel kiln according to claim 2, characterized in that: An upper smoke exhaust pipe (5) and a lower smoke exhaust pipe (6) are provided on the side of the kiln body (1); the upper smoke exhaust pipe (5) is communicated with the upper exhaust port (33), and the lower smoke exhaust pipe (6) is communicated with the lower exhaust port (36).

4. A multi-fuel kiln according to claim 1, characterized in that: A plurality of equally spaced second carbon rod placement grooves (32) are provided on the inner walls on both sides of the working chamber (3), and a plurality of equally spaced first carbon rod placement grooves (31) are provided on the inner wall of the working chamber (3) close to the back side of the kiln body (1).

5. A multi-fuel kiln according to claim 4, characterized in that: A first carbon rod opening (311) is provided on the side of the kiln body (1), and the first carbon rod opening (311) is connected to the first carbon rod placement groove (31). A second carbon rod opening (321) is provided on the back of the kiln body (1), and the second carbon rod opening (321) is connected to the second carbon rod placement groove (32).

6. A multi-fuel kiln according to claim 1, characterized in that: The mounting frame (2) is provided with a temperature-insulating door (9) and a sealing door (10); the temperature-insulating door (9) is matched with the wood burning port (7), and the sealing door (10) is matched with the ash removal port (8).

7. The multi-fuel kiln according to claim 1, characterized in that: The mounting frame (2) is provided with a furnace door (4), the furnace door (4) is connected to the rotating shaft of the mounting frame (2), and the furnace door (4) is adapted to the working chamber (3).

8. A multi-fuel kiln according to claim 7, characterized in that: A plurality of third carbon rod placement grooves (41) are arranged at equal intervals on the surface of the furnace door (4) in contact with the working chamber (3), and a third carbon rod opening (42) corresponding to the third carbon rod placement grooves (41) is arranged on the side surface of the furnace door (4).

9. A multi-fuel kiln according to claim 8, characterized in that: A carbon rod (43) is arranged in the third carbon rod placement groove (41), and the carbon rod (43) is placed inside the third carbon rod placement groove (41) through the third carbon rod opening (42).

Images