Biogas steam furnace

Abstract

The utility model discloses a methane steam furnace which comprises a combustion furnace, eight first lead screws are arranged in the combustion furnace at equal angles, second lead screws are symmetrically arranged at the positions staggered with the first lead screws, a check block is arranged on the inner wall of the left side of the combustion furnace, a fixing plate is arranged on the left sides of the first lead screws, and a fixing block is arranged on the left side of the fixing plate. The motor rotates to drive the second lead screw to rotate, the second lead screw rotates to drive the first fixing plate to move left and right in the combustion bin, the first fixing plate moves left and right to drive the fixing block to move left and right, and then the cleaning wheel is driven to move left and right on the first lead screw which is in threaded connection with the cleaning wheel. The cleaning wheel moves left and right on the first lead screw to drive the cleaning wheel to rotate on the fixing block, and the inner wall of the shell and the outer wall of the evaporation bin are cleaned.

Description

Technical Field

[0001] The utility model relates to a steam boiler in the technical field of boilers, in particular to a biogas steam boiler. Background Art

[0002] The utility model is a steam boiler for burning biogas for energy conversion. Biogas is a combustible gas produced under anaerobic conditions in a biogas tank or sewage treatment. Generally, the methane content is above 50-80%, and the calorific value is relatively high, with one cubic meter having a calorific value of about 5500 kcal. The biogas is burned in a special boiler to release heat to heat hot water or generate steam, which is then converted into energy needed by people through cooling, while preventing the biogas from being directly discharged and polluting the air.

[0003] After searching, the existing Chinese patent publication number is CN201720940666.4. The utility model is a biogas steam boiler, including a boiler body, a biogas combustion device, a water inlet pipe, an air outlet pipe, a smoke exhaust pipe, a fan, a solenoid valve and a controller; the boiler body includes an outer shell, a liquid level gauge, an inner tank, a partition, an outer tank and a plurality of serpentine tubes; the utility model is provided with the boiler body 1 for generating steam, and the biogas combustion device 2 for burning biogas to provide heat. By using the biogas by-product in agricultural production as a source of energy, it can increase the sales of straw, indirectly increase the economic income of farmers, and avoid the environmental problems caused by burning straw; at the same time, by arranging an auger between the exhaust pipe of the blower and the combustion tube, the gas blown by the biogas booster pump has a rotational force, so that the gas and air are mixed more fully.

[0004] Although the above patent achieves the effect of improving the energy conversion of biogas through full combustion, the biogas steam boiler of the above patent will produce fly ash when burning biogas for a long time, and the steam boiler as a whole has a closed structure, so it is difficult to clean.

[0005] In response to the above problems, an innovative design was carried out based on the original biogas steam boiler. Utility Model Content

[0006] The purpose of the utility model is to provide a biogas steam boiler to solve the problem of inconvenience in cleaning steam boilers currently on the market raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biogas steam boiler, including a combustion furnace, preferably, an air inlet pipe is provided on the upper left side of the combustion furnace, and an air outlet pipe is provided on the right side of the air inlet pipe, an evaporation bin is provided inside the combustion furnace, and an air outlet pipe and a water inlet pipe are provided on the right side of the evaporation bin, and the air outlet pipe is provided above the water inlet pipe, a bracket is provided below the combustion furnace, and a cover 1 is provided below the combustion furnace, eight screw rods 1 are provided at equal angles in the combustion furnace, and screw rods 2 are symmetrically provided at staggered positions of screw rods 1, and a block is provided on the left inner wall of the combustion furnace, a fixing plate is provided on the left side of the screw rod 1, and a fixing block is provided on the left side of the fixing plate, and a cleaning wheel is provided on the left side of the fixing block.

[0008] Preferably, the combustion furnace includes an outer shell, a combustion chamber and a storage chamber, the outer shell is provided with a combustion chamber and a storage chamber, and the storage chamber is provided on the left side of the combustion chamber, the inner wall of the outer shell is connected to eight screw rods 1 at equal angles, and the inner wall of the outer shell is symmetrically connected to screw rod 2, and the right end of screw rod 2 (16) passes through the outer shell (101) to connect to the motor, the left side of the upper shell is connected to the air inlet pipe, and the right side of the upper shell is connected to the air outlet pipe, the lower side of the outer shell is symmetrically connected to two covers 1, and the lower side of the outer shell is connected to the bracket.

[0009] Preferably, the inner wall on the right side of the shell is connected to the evaporation bin, and the right side of the shell is connected to the water inlet pipe and the air outlet, and the water inlet pipe and the air outlet are communicated with the evaporation bin, the left side of the shell is connected to the biogas inlet, and the left side of the shell is equiangularly connected to eight covers 2, the cover 2 is connected to the screw rod 1, and the screw rod 1 rotates on the cover 2 and the shell.

[0010] Preferably, the fixed plate includes a fixed plate 1 and a groove, the groove is provided in the middle of the fixed plate, and the groove is engaged and connected to the evaporation bin, and the fixed plate 1 moves left and right on the evaporation bin, the left side of the fixed plate 1 is engaged and connected to the stopper, and the stopper is connected to the left inner wall of the shell, the fixed plate 1 is threadedly connected to the screw rod 2, and the fixed plate 1 moves left and right on the screw rod 2.

[0011] Preferably, the fixed block includes a fixed block 1, a threaded block, and a slot. The right side of the fixed block 1 is connected to the threaded block, and the threaded block is threadedly connected to the fixed plate 1. The left inner wall of the fixed block 1 is provided with a slot. The cleaning wheel includes a brush wheel and a block. The right side of the brush wheel is connected to the block, and the block is engaged with the slot, and the block rotates in the slot. The brush wheel is threadedly connected to the screw rod 1, and the brush wheel rotates on the screw rod 1.

[0012] Compared with the prior art, the beneficial effects of the present invention are: convenient cleaning of fly ash in the steam furnace;

[0013] 1. The rotation of the motor drives the rotation of the second lead screw. The rotation of the second lead screw drives the first fixing plate to move left and right in the combustion chamber. The left and right movement of the first fixing plate drives the fixing block to move left and right, and further drives the cleaning wheel to move left and right on the first lead screw. The first lead screw is threadedly connected to the cleaning wheel. The left and right movement of the cleaning wheel on the first lead screw drives the cleaning wheel to rotate on the fixing block, cleaning the inner wall of the outer shell and the outer wall of the evaporation chamber.

[0014] 2. Pulling the second lid can open the second lid. Rotating the first fixing block drives the threaded block to rotate on the first fixing plate, which can separate or fixedly connect the threaded block and the first fixing plate, and then remove or fixedly install the cleaning wheel, achieving the effect of facilitating the replacement of the cleaning wheel. Description of the Drawings

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 It is a left sectional structural schematic diagram of the present utility model;

[0017] Figure 3 It is an enlarged structural schematic diagram of the cleaning wheel of the present utility model;

[0018] Figure 4 It is an enlarged structural schematic diagram of the fixing plate of the present utility model.

[0019] In the figure: 1. Combustion furnace; 101. Outer shell; 102. Combustion chamber; 103. Storage chamber; 2. Bracket; 3. First lid; 4. Intake pipe; 5. Exhaust pipe; 6. Evaporation chamber; 7. Air outlet; 8. Water inlet pipe; 9. Second lid; 10. First lead screw; 11. Cleaning wheel; 1101. Brush wheel; 1102. Clamping block; 12. Stopper; 13. Fixing block; 1301. First fixing block; 1302. Threaded block; 1303. Card slot; 14. Fixing plate; 1401. First fixing plate; 1402. Groove; 15. Biogas inlet; 16. Second lead screw; 17. Motor. Detailed Embodiment

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4The utility model provides a technical solution: a biogas steam boiler, comprising a combustion furnace 1, an air inlet pipe 4 is provided on the upper left side of the combustion furnace 1, and an air outlet pipe 5 is provided on the right side of the air inlet pipe 4, an evaporation bin 6 is provided inside the combustion furnace 1, and an air outlet pipe 7 and a water inlet pipe 8 are provided on the right side of the evaporation bin 6, and the air outlet pipe 7 is provided above the water inlet pipe 8, a bracket 2 is provided below the combustion furnace 1, and a cover 3 is provided below the combustion furnace 1, eight screw rods 10 are provided at equal angles inside the combustion furnace 1, and screw rods 2 16 are symmetrically provided at the positions of the staggered screw rods 10, and the right end of the screw rods 2 16 passes through the shell 101 to connect to the motor 17, and a stopper 12 is provided on the left inner wall of the combustion furnace 1, a fixing plate 14 is provided on the left side of the screw rod 10, and a fixing block 13 is provided on the left side of the fixing plate 14, and a cleaning wheel 11 is provided on the left side of the fixing block 13;

[0022] Motor 17 is connected to screw rod 2 16 . Rotation of motor 17 drives screw rod 2 16 . Screw rod 2 16 is threadedly connected to fixing plate 14 , which is threadedly connected to fixing block 13 . Rotation of screw rod 2 16 drives fixing plate 14 to move left and right, thereby driving fixing block 13 to move left and right. This left and right movement of fixing block 13 drives cleaning wheel 13 to move left and right within combustion furnace 1 , automatically cleaning the inner wall of combustion furnace 1 and evaporation chamber 6 . Lid 1 3 is opened, and the cleaned fly ash is discharged through lid 3 . Lid 2 9 can be opened by pulling lid 2 9 . Cleaning wheel 11 engages and connects to fixing block 13 . Rotating fixing block 13 can separate or securely connect fixing block 13 from fixing plate 14 , allowing cleaning wheel 11 to be removed or securely connected, making it easy to replace cleaning wheel 11 .

[0023] The combustion furnace 1 includes a shell 101, a combustion chamber 102, and a storage chamber 103. The shell 101 is provided with the combustion chamber 102 and the storage chamber 103, and the storage chamber 103 is located on the left side of the combustion chamber 102. The inner wall of the shell 101 is connected to eight screw rods 10 at equal angles, and the inner wall of the shell 101 is symmetrically connected to screw rod 2 16. The left side of the upper side of the shell 101 is connected to the air inlet pipe 4, and the right side of the upper side of the shell 101 is connected to the air outlet pipe 5. The lower side of the shell 101 is symmetrically connected to two covers 3, and the lower side of the shell 101 is connected to the bracket 2.

[0024] External air enters the combustion chamber 102 through the air inlet pipe 4, providing sufficient oxygen for combustion. The exhaust gas generated by combustion is discharged through the air outlet pipe 5. By opening the lid 3, the fly ash generated by combustion can be discharged.

[0025] The right inner wall of the housing 101 is connected to the evaporation bin 6, and the right side of the housing 101 is connected to the water inlet pipe 8 and the air outlet 7, and the water inlet pipe 8 and the air outlet 7 are in communication with the evaporation bin 6. The left side of the housing 101 is connected to the biogas inlet 15, and the left side of the housing 101 is connected to eight covers 9 at equal angles. The covers 9 are connected to the screw 10, and the screw 10 rotates on the covers 9 and the housing 101.

[0026] Water enters the evaporation chamber 6 through the water inlet pipe 8, and biogas enters the combustion chamber 102 through the biogas inlet 15. The combustion of biogas heats the evaporation chamber 6, and then heats the water in the evaporation chamber 6. The steam generated by the evaporation of water is discharged through the air outlet 7.

[0027] The fixing plate 14 includes a fixing plate one 1401 and a groove 1402. The groove 1402 is provided in the middle of the fixing plate 14, and the groove 1402 is fitted and connected to the evaporation chamber 6. And the fixing plate one 1401 moves left and right on the evaporation chamber 6. The left side of the fixing plate one 1401 is fitted and connected to the stop block 12, and the stop block 12 is connected to the left inner wall of the housing 101. The fixing plate one 1401 is threadedly connected to the screw rod two 16, and the fixing plate one 14 moves left and right on the screw rod two 16;

[0028] The rotation of the screw rod two 16 drives the fixing plate one 1401 to move leftward and fit and connect with the stop block 12, which can isolate the combustion chamber 102 and the storage chamber 103, avoiding the heat generated by the combustion of biogas in the combustion chamber 102 from entering the storage chamber 103 and protecting the storage chamber 103.

[0029] The fixing block 13 includes a fixing block one 1301, a threaded block 1302, and a card slot 1303. The right side of the fixing block one 1301 is connected to the threaded block 1302, and the threaded block 1302 is threadedly connected to the fixing plate one 1401. The left inner wall of the fixing block one 1301 is provided with a card slot 1303. The cleaning wheel 11 includes a brush wheel 1101 and a clamping block 1102. The right side of the brush wheel 1101 is connected to the clamping block 1102, and the clamping block 1102 is snap-fitted and connected to the card slot 1303, and the clamping block 1102 rotates in the card slot 1303. The brush wheel (1101) is threadedly connected to the screw rod one (10), and the brush wheel (1101) rotates on the screw rod one (10);

[0030] The left and right movement of the pulley 1101 on the screw rod one 10 drives the brush wheel 1101 to rotate on the screw rod one 10. The brush wheel 1101 rotates while moving left and right, which can improve the cleaning effect of the brush wheel 1101 on the inner wall of the housing 101 and the outer wall of the evaporation chamber 6.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A biogas steam furnace, comprising a combustion furnace (1), characterized in that: The combustion furnace (1) is provided with an air inlet pipe (4) on the upper left side, and an air outlet pipe (5) is provided on the right side of the air inlet pipe (4); an evaporation chamber (6) is provided inside the combustion furnace (1), and an air outlet pipe (7) and a water inlet pipe (8) are provided on the right side of the evaporation chamber (6), and the air outlet pipe (7) is provided above the water inlet pipe (8); a bracket (2) is provided below the combustion furnace (1), and a cover (3) is provided below the combustion furnace (1); eight screw rods (10) are provided at equal angles inside the combustion furnace (1), and screw rods (16) are symmetrically provided at positions staggered from the positions of the screw rods (10); a stopper (12) is provided on the left inner wall of the combustion furnace (1); a fixing plate (14) is provided on the left side of the screw rod (10), and a fixing block (13) is provided on the left side of the fixing plate (14), and a cleaning wheel (11) is provided on the left side of the fixing block (13).

2. The biogas steam furnace according to claim 1, wherein: The combustion furnace (1) includes a shell (101), a combustion chamber (102) and a storage chamber (103). The shell (101) is provided with the combustion chamber (102) and the storage chamber (103), and the storage chamber (103) is provided on the left side of the combustion chamber (102). The inner wall of the shell (101) is connected to eight screw rods (10) at equal angles, and the inner wall of the shell (101) is symmetrically connected to screw rods (16), and the right end of screw rods (16) passes through the shell (101) to connect to the motor (17). The left side of the upper side of the shell (101) is connected to the air inlet pipe (4), and the right side of the upper side of the shell (101) is connected to the air outlet pipe (5). The lower side of the shell (101) is symmetrically connected to two covers (3), and the lower side of the shell (101) is connected to the bracket (2).

3. The biogas steam boiler according to claim 2, characterized in that: The right inner wall of the shell (101) is connected to the evaporation bin (6), and the right side of the shell (101) is connected to the water inlet pipe (8) and the air outlet (7), and the water inlet pipe (8) and the air outlet (7) are communicated with the evaporation bin (6). The left side of the shell (101) is connected to the biogas inlet (15), and the left side of the shell (101) is connected to eight covers (9) at equal angles. The covers (9) are connected to screw rod (10), and screw rod (10) rotates on the covers (9) and the shell (101).

4. A biogas steam boiler according to claim 1, characterized in that: The fixed plate (14) includes a fixed plate 1 (1401) and a groove (1402), wherein the groove (1402) is provided in the middle of the fixed plate (14), and the groove (1402) is engaged with the evaporation bin (6), and the fixed plate 1 (1401) moves left and right on the evaporation bin (6), the left side of the fixed plate 1 (1401) is engaged with the stopper (12), and the stopper (12) is connected to the left inner wall of the outer shell (101), the fixed plate 1 (1401) is threadedly connected to the screw rod 2 (16), and the fixed plate 1 (14) moves left and right on the screw rod 2 (16).

5. The biogas steam furnace according to claim 1, characterized in that: The fixed block (13) includes a first fixed block (1301), a threaded block (1302), and a card slot (1303). The right side of the first fixed block (1301) is connected to the threaded block (1302), and the threaded block (1302) is threadedly connected to the first fixing plate (1401). The left inner wall of the first fixed block (1301) is provided with a card slot (1303). The cleaning wheel (11) includes a brush wheel (1101) and a clamping block (1102). The right side of the brush wheel (1101) is connected to the clamping block (1102), and the clamping block (1102) is snap-fitted to the card slot (1303), and the clamping block (1102) rotates in the card slot (1303). The brush wheel (1101) is threadedly connected to the first lead screw (10), and the brush wheel (1101) rotates on the first lead screw (10).

Images