Environment-friendly biomass fuel smelting furnace

Abstract

The invention relates to the field of biomass smelting furnaces, in particular to an environment-friendly biomass fuel smelting furnace which comprises a shell, a drying bin is fixedly connected to one side of the shell, a pressing plate is slidably connected into the drying bin, a screw is rotatably connected to the pressing plate, and the screw is in threaded connection with the drying bin. A cutting plate is slidably connected into the drying bin, a plurality of cutters are fixedly connected to the cutting plate, and a plurality of filtering holes are formed in the pressing plate. The inner shell is fixedly connected in the outer shell, and a plurality of air holes are formed in the two sides of the inner shell. And an air tap is rotationally connected into each air hole, and a direction adjusting plate is rotationally connected among the multiple air taps on the same side. A dust collecting groove is connected to the inner shell in a sliding mode, a front plate and a scraping plate are connected into the dust collecting groove in a sliding mode, two connecting rods are fixedly connected between the front plate and the scraping plate, the two connecting rods are both connected into the dust collecting groove in a sliding mode, and a handle is fixedly connected to the front plate. The agricultural and forestry waste is dried by utilizing the waste heat of the smelting furnace, so that the water content is reduced.

Description

Technical Field

[0001] This invention relates to the field of biomass furnaces, and in particular to an environmentally friendly biomass fuel furnace. Background Technology

[0002] Biomass fuel furnaces use agricultural and forestry waste such as straw, sawdust, bagasse, and rice husks as fuel. These fuels provide heat or generate steam during combustion. It's worth noting that different types of biomass differ in their chemical composition and physical properties, resulting in variations in their combustion processes. Generally, the biomass combustion process can be divided into three stages: preheating and ignition, volatile matter combustion, and char combustion. However, agricultural and forestry waste typically has a high moisture content, making it difficult to burn completely and producing dense smoke, which is detrimental to environmental protection. Summary of the Invention

[0003] The purpose of this invention is to provide an environmentally friendly biomass fuel furnace that uses the residual heat of the furnace to dry agricultural and forestry waste, thereby reducing its moisture content.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] An environmentally friendly biomass fuel furnace includes an outer shell, a drying chamber fixedly connected to one side of the outer shell, a pressure plate slidably connected inside the drying chamber, a screw rotatably connected to the pressure plate, and the screw being threadedly connected to the drying chamber.

[0006] A cutting plate is slidably connected inside the drying chamber, and multiple cutting blades are fixed on the cutting plate. Multiple filter holes are opened on the pressure plate.

[0007] It also includes an inner shell fixed inside the outer shell, with multiple ventilation holes on both sides of the inner shell.

[0008] Each of the vent holes is rotatably connected to an air nozzle, and multiple air nozzles on the same side are rotatably connected to an adjusting plate.

[0009] A dust collection trough is slidably connected to the inner shell, and a front plate and a scraper are slidably connected inside the dust collection trough. Two connecting rods are fixed between the front plate and the scraper, and both connecting rods are slidably connected inside the dust collection trough. A handle is fixedly connected to the front plate. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the overall structure of the furnace;

[0011] Figure 2 This is a structural diagram of the front cover;

[0012] Figure 3 This is a schematic diagram of the steering plate.

[0013] Figure 4This is a schematic diagram of the air nozzle structure;

[0014] Figure 5 This is a structural diagram of the damper;

[0015] Figure 6 This is a schematic diagram of the baffle structure;

[0016] Figure 7 This is a schematic diagram of the air vent plate.

[0017] Figure 8 This is a structural diagram of the drying chamber;

[0018] Figure 9 This is a structural diagram of the cutting plate;

[0019] Figure 10 This is a schematic diagram of a chimney.

[0020] In the picture:

[0021] Inner shell 101; outer shell 102; front cover 103; vent 104; dust collection trough 105; front plate 106; handle 107; damper 108; connecting plate 109; scraper 110;

[0022] 201; 202; 203; 204; 205; 206; 207; 208; 208;

[0023] Drying chamber 301; pressure plate 302; cutting plate 303; screw 304; cutter 305; liquid outlet 306;

[0024] Chimney 401; partition 402; fermentation chamber 403; rear cover 404. Detailed Implementation

[0025] like Figure 1 , Figure 8 and Figure 9 As shown:

[0026] An environmentally friendly biomass fuel furnace includes an outer shell 102, a drying chamber 301 fixedly connected to one side of the outer shell 102, a pressure plate 302 slidably connected inside the drying chamber 301, and a screw 304 rotatably connected to the pressure plate 302. The screw 304 and the drying chamber 301 are threadedly connected.

[0027] Fuel is ignited inside the inner shell 101, heating it. This heat then transfers to the outer shell 102. A drying chamber 301 is fixed to one side of the outer shell 102. Biomass fuel is placed between the outer shell 102 and the pressure plate 302 of the drying chamber 301. Unprocessed biomass fuel generally contains a certain amount of moisture. Rotating the screw 304 pushes the pressure plate 302 towards the outer shell 102, compressing the biomass fuel and squeezing out the moisture. At this point, the biomass fuel comes into contact with the outer shell 102, which dissipates heat, further drying the biomass fuel and reducing its moisture content. The drier the biomass fuel, the more complete the combustion, resulting in less smoke and achieving environmental protection.

[0028] like Figure 9 As shown:

[0029] The cutting plate 303 is slidably connected to the drying chamber 301. Multiple cutters 305 are fixed on the cutting plate 303, and multiple filter holes are opened on the pressure plate 302.

[0030] The biomass fuel is squeezed by the pressure plate 302 and the outer shell 102. The moisture in the fuel flows through the filter holes on the pressure plate 302 into the drying chamber 301 and flows out through the liquid outlet 306 on the drying chamber 301. The biomass fuel is dried by the outer shell 102 and forms a plate shape, which pushes the cutting plate 303 to slide in the drying chamber 301, so that the cutting plate 303 moves closer to the pressure plate 302. The multiple cutters 305 fixed on the cutting plate 303 are inserted into the corresponding filter holes. After passing through the filter holes, the cutters 305 come into contact with the biomass fuel and further cut the biomass fuel into strips of uniform size. Then, it is convenient to add it into the inner shell 101 for combustion, thereby making the biomass fuel easier to burn.

[0031] like Figure 6 As shown:

[0032] The inner shell 101 is fixed inside the outer shell 102, and multiple ventilation holes 104 are provided on both sides of the inner shell 101.

[0033] Biomass fuel is burned inside the inner shell 101. The outer shell 102 is fixed to the outside of the inner shell 101 and wraps around the left, right, and bottom sides of the inner shell 101. Air is drawn in between the inner shell 101 and the outer shell 102 to assist the combustion of the biomass fuel in the inner shell 101. During the combustion of the biomass fuel, flue gas is produced. The flue gas contains carbon particles, which can be ignited. As a result, some of the air between the inner shell 101 and the outer shell 102 is heated and expands, thereby increasing the air pressure. The heated air is blown into the inner shell 101 through multiple vent holes 104 machined on both sides of the inner shell 101. The vent holes 104 are all located on the upper sides of the inner shell 101, so that the hot air directly contacts the upper part of the flame, thereby causing secondary combustion of the generated flue gas, reducing flue gas emissions, and thus achieving the purpose of environmental protection.

[0034] like Figure 3 and Figure 4 As shown:

[0035] Each air nozzle 202 is rotatably connected to the corresponding air vent 104, and a directional plate 201 is rotatably connected between multiple air nozzles 202 on the same side.

[0036] A nozzle 202 is installed in each vent 104, and the nozzle 202 can rotate within the vent 104. After hot air passes through the vent 104, it enters the nozzle 202. By adjusting the orientation of the nozzle 202, the direction of the hot air can be changed. An adjusting plate 201 is installed on multiple nozzles 202 on the same side, so that the nozzles 202 rotate within the corresponding adjusting plate 201. Thus, when the adjusting plate 201 is pulled back and forth, the nozzle 202 can swing back and forth. When the adjusting plate 201 is moved up and down, the nozzle 202 can swing up and down. Thus, when an appliance to be heated is placed on top of the inner shell 101, the two adjusting plates 201 are adjusted so that the nozzles 202 on both sides are facing upward, thereby concentrating the flame upward, making the heat more concentrated, and improving the heating efficiency.

[0037] like Figure 3 and Figure 5 As shown:

[0038] The ash collection trough 105 is slidably connected to the inner shell 101. The front plate 106 and the scraper 110 are both slidably connected inside the ash collection trough 105. Two connecting rods are fixed between the front plate 106 and the scraper 110. Both connecting rods are slidably connected inside the ash collection trough 105. A handle 107 is fixedly connected to the front plate 106.

[0039] When biomass fuel burns inside the inner shell 101, ash is produced. The ash falls into the ash collection trough 105 through the lower plate of the inner shell 101. When the ash collection trough 105 is full, it needs to be cleaned. However, as the inner shell 101 continues to burn, ash is constantly being produced. If the ash collection trough 105 is pulled out at this time, the ash will fall between the outer shell 102 and the inner shell 101, making it difficult to clean. Therefore, the handle 107 on the front plate 106 is pulled, causing the front plate 106 to slide out of the ash collection trough 105. The front plate 106 drives the scraper 110 to move through two connecting rods, moving the scraper 110 from the rear to the front of the ash collection trough 105, thereby pushing the ash in the ash collection trough 105 forward. A receiving device is used at the front end of the ash collection trough 105 to collect the ash, thus completing the cleaning of ash during the use of the furnace.

[0040] like Figure 2 and Figure 5 As shown:

[0041] The front cover 103 is fixedly connected to one side of the inner shell 101 and the outer shell 102. The damper 108 is slidably connected inside the front cover 103, and the connecting plate 109 is fixedly connected to the damper 108.

[0042] Push the damper 108 to slide it on the front cover 103, thereby changing the gap between the damper 108 and the outer shell 102, and thus changing the air intake between the outer shell 102 and the inner shell 101, thereby controlling the combustion speed of biomass fuel. When the furnace is not in use, push the damper 108 upward until the connecting plate 109 fixed on the damper 108 is inserted into the ash collection trough 105 and the front plate 106, thereby pulling the damper 108 outward, so that the damper 108 can drive the ash collection trough 105 and the front plate 106 to slide out of the inner plate together, thereby thoroughly cleaning the ash collection trough 105.

[0043] like Figure 6 As shown:

[0044] The packing plate 203 is fixed between the inner shell 101 and the outer shell 102, and the push plate 204 is slidably connected inside the packing plate 203. The packing plate 203 is provided with a feed port.

[0045] The dried biomass fuel is piled between the pressure plate 302 and the outer shell 102. When fuel needs to be added into the inner shell 101, the push plate 204 is first pulled back to expose the feed port, so that the biomass fuel enters the packing plate 203 through the feed port. Then the push plate 204 is pushed forward to push the biomass fuel into the inner shell 101, so that the biomass fuel participates in combustion.

[0046] like Figure 6 As shown:

[0047] The extension plate is slidably connected inside the packing plate 203, and the baffle 205 is rotatably connected to the front end of the extension plate.

[0048] Initially, the extension plate is located inside the packing plate 203, and the baffle 205 is placed perpendicular to the packing plate 203, thereby blocking the side of the packing plate 203 inside the inner shell 101. When the pusher plate 204 pushes the biomass fuel into the inner shell 101, the pusher plate 204 contacts the extension plate, thereby pushing the extension plate into the inner shell 101. During the movement, the biomass fuel lifts the baffle 205, so that the baffle 205 and the extension plate form an obtuse angle. As the extension plate and the baffle 205 move, the original fuel in the inner shell 101 is lifted upward, and new biomass fuel is added to the bottom of the inner shell 101, so that the flame always burns on top of the biomass fuel, thereby avoiding the burning of the upper fuel by the flame burning at the bottom, which would cause a large amount of flue gas to be generated.

[0049] like Figure 7 As shown:

[0050] The air passage 208 is fixed inside the outer shell 102, and the sleeve 207 is fixed on the air passage 208. An air outlet plate 206 is slidably connected inside the sleeve 207.

[0051] The biogas produced by the fermentation chamber 403 enters the casing 207 through the gas duct 208, and then enters the gas outlet plate 206 through the casing 207, where it is ignited above the gas outlet plate 206. The flame is ignited above the biomass fuel pile. The amount of fuel burned is relatively small, resulting in a relatively low temperature and a large amount of carbon particles produced. These carbon particles are then subjected to secondary combustion with the assistance of hot air blown in through the gas nozzle 202, consuming some of the carbon particles. The biogas then burns through the gas outlet plate 206, further consuming the carbon particles and achieving the purpose of environmental protection. After complete combustion, the flame can change from a yellow flame to a blue flame, thereby increasing the flame temperature and heating efficiency. The gas outlet plate 206 can slide within the casing 207, allowing the position of the gas outlet plate 206 to be adjusted according to the flame height.

[0052] like Figure 10 As shown:

[0053] The rear cover 404 is fixed between the outer shell 102 and the inner shell 101. A chimney 401 is fixed on the rear cover 404. Two partitions 402 are inserted into the chimney 401. A liquid outlet 306 is opened on each side of the drying chamber 301. A fermentation chamber 403 is fixed on the lower side of the outer shell 102. The fermentation chamber 403 is fixed on the drying chamber 301.

[0054] Two baffles 402 are inserted inside the chimney 401. When the flue gas passes through the two baffles 402, it comes into contact with the baffles 402, thereby adsorbing impurities in the flue gas onto the two baffles 402, thus further filtering the flue gas to achieve the purpose of environmental protection. The liquid squeezed out from the drying chamber 301 flows into the fermentation chamber 403 through two liquid outlets 306. During the use of the furnace, the residual heat will heat the fermentation chamber 403, thereby promoting the fermentation process and promoting the production of biogas, thus meeting the requirements of carbon particles for three-stage combustion.

Claims

1. An environmentally friendly biomass fuel furnace, characterized in that: Includes an outer shell (102), a drying chamber (301) is fixedly connected to one side of the outer shell (102), a pressure plate (302) is slidably connected inside the drying chamber (301), a screw (304) is rotatably connected to the pressure plate (302), and the screw (304) is threadedly connected to the drying chamber (301).

2. The environmentally friendly biomass fuel furnace according to claim 1, characterized in that: A cutting plate (303) is slidably connected inside the drying chamber (301), and multiple cutting blades (305) are fixed on the cutting plate (303). Multiple filter holes are opened on the pressure plate (302).

3. The environmentally friendly biomass fuel furnace according to claim 2, characterized in that: It also includes an inner shell (101) fixed inside the outer shell (102), and multiple vent holes (104) are provided on both sides of the inner shell (101).

4. The environmentally friendly biomass fuel furnace according to claim 3, characterized in that: Each of the vent holes (104) is rotatably connected to an air nozzle (202), and a directional plate (201) is rotatably connected between multiple air nozzles (202) on the same side.

5. The environmentally friendly biomass fuel furnace according to claim 3, characterized in that: A dust collection trough (105) is slidably connected to the inner shell (101). A front plate (106) and a scraper (110) are slidably connected inside the dust collection trough (105). Two connecting rods are fixed between the front plate (106) and the scraper (110). Both connecting rods are slidably connected inside the dust collection trough (105). A handle (107) is fixedly connected to the front plate (106).

6. The environmentally friendly biomass fuel furnace according to claim 5, characterized in that: A front cover (103) is fixedly connected to the inner shell (101), a damper (108) is slidably connected to the front cover (103), a connecting plate (109) is fixedly connected to the damper (108), and the front cover (103) is fixedly connected to the outer shell (102).

7. The environmentally friendly biomass fuel furnace according to claim 6, characterized in that: A packing plate (203) is fixedly connected between the inner shell (101) and the outer shell (102). A push plate (204) is slidably connected inside the packing plate (203). A feed inlet is provided on the packing plate (203).

8. The environmentally friendly biomass fuel furnace according to claim 7, characterized in that: An extension plate is slidably connected inside the packing plate (203), and a baffle (205) is rotatably connected to the front end of the extension plate.

9. The environmentally friendly biomass fuel furnace according to claim 7, characterized in that: An air passage (208) is fixedly connected inside the inner shell (101), and a sleeve (207) is fixedly connected to the air passage (208). An air outlet plate (206) is slidably connected inside the sleeve (207).

10. An environmentally friendly biomass fuel furnace according to claim 7, characterized in that: A rear cover (404) is fixedly connected between the outer shell (102) and the inner shell (101). A chimney (401) is fixedly connected to the rear cover (404). Two partitions (402) are inserted into the chimney (401). A liquid outlet (306) is opened on each side of the drying chamber (301). A fermentation chamber (403) is fixedly connected to the lower side of the outer shell (102). The fermentation chamber (403) is fixedly connected to the drying chamber (301).

Images