Bio-boiler large dust automatic cleaning heat recovery equipment
By designing recycling components and filtering systems in biomass boilers, the existing biomass boilers cannot effectively recover the calories of high temperature smoke gas, realize the efficient heating and combustion of fuel, improve the combustion efficiency and reduce the loss of heat energy.
Patent Information
- Application Number
- CN202411016205.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-27
- Publication Date
- 2025-01-21
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing biomass boilers cannot effectively recover heat from high-temperature flue gas, resulting in serious thermal energy loss.
A heat recovery equipment for automatic large dust cleaning of biological boilers is designed, including recovery components, filter box, discharge box and boiler body. The recovery component absorbs the waste gas inside the boiler body through the air suction machine, filters it through the filter screen and dust bag, and recovers the heat into the discharge box for heating fuel.
By recycling the heat in the exhaust gas, the heating efficiency of the fuel was improved, the water of the fuel was reduced, the combustion efficiency of the fuel in the boiler body was avoided, and the combustion effect was avoided due to excessive moisture.
Smart Images

Figure CN119333848A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of bio-boilers, in particular to large dust automatic cleaning and heat recovery equipment for bio-boilers. Background Art
[0002] Biomass boiler is a type of boiler. A boiler that uses biomass energy as fuel is called a biomass boiler. It is divided into biomass steam boiler, biomass hot water boiler, biomass hot air furnace, biomass thermal oil furnace, vertical biomass boiler, horizontal biomass boiler, etc.
[0003] However, the high-temperature flue gas discharged by existing biomass boilers is generally discharged directly after treatment, and the heat of the high-temperature flue gas cannot be effectively recovered and utilized, resulting in a large loss of heat energy and a relatively wasteful process. Therefore, we proposed a biomass boiler large dust automatic cleaning heat recovery equipment to solve the above-mentioned problems. Summary of the invention
[0004] The purpose of the present invention is to provide a bio-boiler large dust automatic cleaning heat recovery device to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] The bio-boiler large dust automatic cleaning heat recovery device includes a base, a boiler body fixedly connected to the upper end of the base, a filter box fixedly connected to the upper end of the boiler body, and a discharge box fixedly arranged on the right side of the boiler body, and also includes a recovery component;
[0007] The recovery component is used to recover heat from the exhaust gas generated inside the boiler body. The recovery component is fixedly arranged between the filter box and the discharge box. The recovery component includes an air suction machine, which is fixedly installed on the left inner wall of the filter box. The output end of the air suction machine is fixedly connected to an air suction pipe, and the air suction pipe passes through the upper end wall of the boiler body at the end away from the air suction machine and extends to the interior of the boiler body. A filter is fixedly arranged inside the filter box, and multiple groups of support rods are fixedly arranged inside the filter box. Dust bags are fixedly arranged between the left and right groups of support rods. An exhaust pipe is fixedly arranged on the right side of the filter box, and the exhaust pipe passes through the right side wall of the discharge box at the end away from the filter box, and is connected with the interior of the discharge box.
[0008] As a further solution of the present invention: a discharge mesh plate is fixedly provided inside the discharge box, one end of the exhaust pipe close to the discharge box is fixedly provided below the discharge mesh plate, and a feed hopper is fixedly provided at the upper end of the discharge box.
[0009] As a further solution of the present invention: the lower end of the discharge mesh plate is fixedly connected with a discharge pipe, the lower end of the discharge pipe passes through the lower end wall of the discharge box and extends to the lower end of the discharge box, the discharge pipe is fixedly connected with a feed pipeline at the end away from the discharge mesh plate, the feed pipeline passes through the right side wall of the boiler body at the end away from the discharge pipe and is communicated with the interior of the boiler body, and a control valve is fixedly installed on the discharge pipe.
[0010] As a further solution of the present invention: a rotating shaft is fixedly arranged inside the material conveying pipeline, one end of the rotating shaft is fixedly connected to the output end of the driving motor, the driving motor is fixedly installed on the right side of the material conveying pipeline, and a plurality of groups of material conveying blades are fixedly arranged on the outer side of the rotating shaft.
[0011] As a further solution of the present invention: a grate is fixedly provided inside the boiler body, the feed pipe is fixedly provided above the grate at one end close to the boiler body, and a slag outlet is fixedly provided at the lower end of the grate.
[0012] As a further solution of the present invention: a reciprocating screw is rotatably connected to the inner walls on the left and right sides of the boiler body, one end of the reciprocating screw is fixedly connected to the output end of the rotating motor, and the rotating motor is fixedly installed on the right outer wall of the boiler body, and the outer fixed sleeve of the reciprocating screw is provided with a screw sleeve, the lower end of the screw sleeve is rotatably connected to a rotating rod, the lower end of the rotating rod is fixedly connected to a fixed plate, and the lower end of the fixed plate is fixedly connected to multiple groups of stirring rods.
[0013] As a further solution of the present invention: a gear is provided on the outer fixed sleeve of the rotating rod, a rack is provided on one side of the gear, two ends of the rack are fixedly connected to the left and right inner walls of the boiler body, and the gear is meshed with the rack.
[0014] As a further solution of the present invention: a plurality of groups of air inlet holes are fixedly opened on the left side wall of the boiler body, a connecting plate is fixedly provided on the left side of the air inlet hole, a movable plate is fixedly connected to the left side of the connecting plate, a telescopic rod is fixedly connected to the upper end of the movable plate, the telescopic rod is fixedly connected to the lower end surface of the mounting plate at the end away from the movable plate, and the mounting plate is fixedly connected to the left outer wall of the boiler body.
[0015] As a further solution of the present invention: a group of placement plates are fixedly connected to the inner walls of the upper and lower ends of the filter box, a group of slide grooves are fixedly opened on the opposite surfaces of the two groups of placement plates, and the upper and lower ends of the filter net are slidably connected in the two groups of slide grooves.
[0016] As a further solution of the present invention: a box door is fixedly installed on the front of the filter box, and a handle is fixedly installed on the box door.
[0017] Compared with the prior art, the beneficial effects of the present invention are: the bio-boiler large dust automatic cleaning heat recovery equipment, by setting a recovery component, can recover the residual heat in the exhaust gas, which is used to heat and dry the fuel, reduce the moisture on the surface and inside of the fuel, and make the fuel more efficient when entering the boiler body for combustion, avoiding excessive moisture in the fuel, which affects the combustion effect of the fuel.
[0018] The bio-boiler large dust automatic cleaning heat recovery equipment can stir the fuel on the grate by arranging a reciprocating screw, a rotating motor, a screw sleeve, a rotating rod, a fixed plate, a stirring rod, a gear and a rack, so that the fuel burns more fully. There is no need for manual stirring of the fuel, thus protecting the health of the staff.
[0019] The bio-boiler large dust automatic cleaning heat recovery equipment can transport gas into the boiler body by setting an air inlet hole, which is convenient for air circulation inside the boiler body and avoids the fuel inside the boiler body from being affected by combustion due to lack of oxygen. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of the present invention.
[0021] Figure 2 It is a schematic diagram of the structure inside the filter box of the present invention.
[0022] Figure 3 It is a schematic diagram of the structure inside the boiler body of the present invention.
[0023] Figure 4 It is a schematic diagram of the structure inside the material delivery pipeline in the present invention.
[0024] Figure 5 It is a structural schematic diagram of the material discharge mesh plate in the present invention.
[0025] Among them: 1. Base; 2. Boiler body; 3. Filter box; 4. Discharge box; 5. Air suction machine; 6. Suction pipe; 7. Filter screen; 8. Support rod; 9. Dust bag; 10. Exhaust pipe; 11. Discharge mesh plate; 12. Feed hopper; 13. Discharge pipe; 14. Feed pipeline; 15. Control valve; 16. Rotating shaft; 17. Drive motor; 18. Feed blade; 19. Grate; 20. Slag outlet; 21. Reciprocating screw; 22. Rotating motor; 23. Screw sleeve; 24. Rotating rod; 25. Fixed plate; 26. Stirring rod; 27. Gear; 28. Rack; 29. Air inlet; 30. Connecting plate; 31. Moving plate; 32. Telescopic rod; 33. Mounting plate; 34. Placement plate; 35. Slide; 36. Box door; 37. Handle. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0027] Example 1
[0028] See also Figure 1-Figure 5 In the embodiment of the present invention, the bio-boiler large dust automatic cleaning heat recovery device includes a base 1 for supporting and placing a boiler body 2, a boiler body 2 fixedly connected to the upper end of the base 1, and used to support and fix a filter box 3, a filter box 3 fixedly connected to the upper end of the boiler body 2, and used to support and place a filter screen 7 and a dust bag 9, and a discharge box 4 fixedly arranged on the right side of the boiler body 2, and used to store fuel, and also includes a recovery component;
[0029] The recovery component is used to recover the heat in the exhaust gas generated inside the boiler body 2. The recovery component is fixedly arranged between the filter box 3 and the discharge box 4. The recovery component includes an air sucker 5. The air sucker 5 is fixedly installed on the left inner wall of the filter box 3 to absorb the exhaust gas inside the boiler body 2. The output end of the air sucker 5 is fixedly connected to an air suction pipe 6, which is convenient for the air sucker 5 to absorb the exhaust gas inside the boiler body 2. The air suction pipe 6 passes through the upper end wall of the boiler body 2 at the end away from the air sucker 5 and extends to the inside of the boiler body 2. A filter screen 7 is fixedly arranged inside the filter box 3 for filtering dust and smoke in the exhaust gas. A plurality of groups of support rods 8 are fixedly arranged inside the filter box 3 for supporting and placing dust removal bags 9. Dust removal bags 9 are fixedly arranged between the left and right groups of support rods 8 for secondary filtering of dust and smoke in the exhaust gas. An exhaust pipe 10 is fixedly arranged on the right side of the filter box 3 for conveying the filtered exhaust gas to the discharge box 4. The exhaust pipe 10 passes through the right side wall of the discharge box 4 at the end away from the filter box 3 and is connected with the interior of the discharge box 4.
[0030] A discharge mesh plate 11 is fixedly provided inside the discharge box 4 for placing fuel, one end of the exhaust pipe 10 close to the discharge box 4 is fixedly provided below the discharge mesh plate 11, and a feed hopper 12 is fixedly provided at the upper end of the discharge box 4 for pouring fuel into the discharge box 4.
[0031] The lower end of the discharge mesh plate 11 is fixedly connected with a feed pipe 13, which can transport the fuel on the discharge mesh plate 11 to the feed pipe 14. The lower end of the feed pipe 13 passes through the lower end wall of the discharge box 4 and extends to the lower end of the discharge box 4. The feed pipe 13 is fixedly connected with the feed pipe 14 at the end away from the discharge mesh plate 11, which is used to support the placement of the rotating shaft 16. The feed pipe 14 passes through the right side wall of the boiler body 2 at the end away from the feed pipe 13 and is connected to the interior of the boiler body 2. A control valve 15 is fixedly installed on the feed pipe 13 to control the switch of the feed pipe 13.
[0032] A rotating shaft 16 is fixedly provided inside the feed pipeline 14 to drive the feed blades 18 to rotate. One end of the rotating shaft 16 is fixedly connected to the output end of the driving motor 17. The driving motor 17 is fixedly installed on the right side of the feed pipeline 14 to drive the rotating shaft 16 to rotate. A plurality of groups of feed blades 18 are fixedly provided on the outer side of the rotating shaft 16 to transport the fuel to the grate 19 through rotation.
[0033] A grate 19 is fixedly provided inside the boiler body 2, and the feed pipe 14 is fixedly provided above the grate 19 at one end close to the boiler body 2. A slag outlet 20 is fixedly provided at the lower end of the grate 19 for collecting the waste after combustion.
[0034] A plurality of groups of air inlet holes 29 are fixedly provided on the left side wall of the boiler body 2 to facilitate the delivery of air into the boiler body 2. A connecting plate 30 is fixedly provided on the left side of the air inlet hole 29 to control the switch of the air inlet hole 29. A movable plate 31 is fixedly connected to the left side of the connecting plate 30 to drive the connecting plate 30 to move up and down. A telescopic rod 32 is fixedly connected to the upper end of the movable plate 31 to drive the movable plate 31 to move up and down. The telescopic rod 32 is fixedly connected to the lower end surface of the mounting plate 33 at the end away from the movable plate 31. The mounting plate 33 is fixedly connected to the left outer wall of the boiler body 2 to support and fix the telescopic rod 32.
[0035] A group of placement plates 34 are fixedly connected to the inner walls of the upper and lower ends of the filter box 3, which are used to fix the slide grooves 35. A group of slide grooves 35 are fixedly opened on the opposite surfaces of the two groups of placement plates 34, which is convenient for the staff to pull out the filter screen 7 and clean the filter screen 7. The upper and lower ends of the filter screen 7 are slidably connected in the two groups of slide grooves 35.
[0036] A box door 36 is fixedly mounted on the front of the filter box 3 for sealing and closing the filter box 3 . A handle 37 is fixedly mounted on the box door 36 for the convenience of workers in opening the box door 36 .
[0037] Example 2
[0038] The difference from Example 1 is that a reciprocating screw 21 is rotatably connected to the inner walls on the left and right sides of the boiler body 2, which is used to drive the screw sleeve 23 to move left and right. One end of the reciprocating screw 21 is fixedly connected to the output end of the rotating motor 22. The rotating motor 22 is fixedly installed on the right outer wall of the boiler body 2 to drive the reciprocating screw 21 to rotate. The outer fixed sleeve of the reciprocating screw 21 is provided with a screw sleeve 23 to drive the rotating rod 24 to move left and right. The lower end of the screw sleeve 23 is rotatably connected to the rotating rod 24 to drive the fixed plate 25 to move left and right. The lower end of the rotating rod 24 is fixedly connected to the fixed plate 25 to drive the stirring rod 26 to move left and right. The lower end of the fixed plate 25 is fixedly connected to a plurality of stirring rods 26 to stir the fuel so that the fuel burns more fully. A gear 27 is provided on the outer fixed sleeve of the rotating rod 24 to drive the rotating rod 24 to rotate. A rack 28 is provided on one side of the gear 27 to drive the gear 27 to rotate. The two ends of the rack 28 are fixedly connected to the left and right inner walls of the boiler body 2, and the gear 27 is meshed with the rack 28.
[0039] The working principle of the present invention is as follows: when in use, when exhaust gas is generated due to combustion in the boiler body 2, the air suction machine 5 is started, and the air suction machine 5 absorbs the exhaust gas inside the boiler body 2 through the air suction pipe 6, and then the air suction machine 5 discharges the exhaust gas into the filter box 3. After the exhaust gas passes through the filter screen 7 and multiple groups of dust removal bags 9, it is transported to the inside of the discharge box 4 through the exhaust pipe 10, and the fuel placed on the discharge mesh plate 11 is dried to reduce the moisture in the fuel; when it is necessary to transport fuel to the grate 19, the control valve 15 is opened, and the fuel on the discharge mesh plate 11 is transported to the feed pipe 14 through the discharge pipe 13, and then the drive motor 17 is started, and the drive motor 17 drives the rotating shaft 16 to rotate, and the rotating shaft 16 drives the feed blade 18 to rotate, and the feed blade 18 rotates, thereby transporting the fuel to the grate 19; when it is necessary to transport fuel to the grate 19 When the fuel is stirred, the rotating motor 22 is started, and the rotating motor 22 drives the reciprocating screw rod 21 to rotate, and the reciprocating screw rod 21 drives the screw rod sleeve 23 to move freely, and the screw rod sleeve 23 drives the rotating rod 24 to move left and right, and the rotating rod 24 drives the fixed plate 25 to move left and right, and the fixed plate 25 drives the stirring rod 26 to move left and right. The gear 27 drives the rotating rod 24 to rotate under the action of the rack 28, so that the stirring rod 26 rotates while moving left and right, which is convenient for stirring the fuel on the grate 19 and making the fuel burn more evenly; when there is a lack of oxygen in the boiler body 2, the telescopic rod 32 is stretched upward, and the telescopic rod 32 drives the moving plate 31 to move upward, and the moving plate 31 drives the connecting plate 30 to move upward, so that the outside air enters the interior of the boiler body 2 through the air inlet 29, so as to avoid the combustion being affected by the lack of oxygen in the boiler body 2.
[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.
Claims
1. A bio-boiler large dust automatic cleaning heat recovery device, comprising a base (1), a boiler body (2) fixedly connected to the upper end of the base (1), a filter box (3) fixedly connected to the upper end of the boiler body (2), and a discharge box (4) fixedly arranged on the right side of the boiler body (2), characterized in that: Also includes recycling components; The recovery component is used to recover the heat in the exhaust gas generated inside the boiler body (2). The recovery component is fixedly arranged between the filter box (3) and the discharge box (4). The recovery component comprises an air suction machine (5). The air suction machine (5) is fixedly installed on the left inner wall of the filter box (3). The output end of the air suction machine (5) is fixedly connected with an air suction pipe (6). The air suction pipe (6) passes through the upper end wall of the boiler body (2) at the end away from the air suction machine (5) and extends to the inside of the boiler body (2). A filter screen (7) is fixedly arranged inside the filter box (3). A plurality of groups of support rods (8) are fixedly arranged inside the filter box (3). A dust removal bag (9) is fixedly arranged between the left and right groups of support rods (8). An exhaust pipe (10) is fixedly arranged on the right side of the filter box (3). The exhaust pipe (10) passes through the right side wall of the discharge box (4) at the end away from the filter box (3) and is connected with the inside of the discharge box (4).
2. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 1 is characterized in that: A discharge mesh plate (11) is fixedly arranged inside the discharge box (4), one end of the exhaust pipe (10) close to the discharge box (4) is fixedly arranged below the discharge mesh plate (11), and a feed hopper (12) is fixedly arranged at the upper end of the discharge box (4).
3. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 2 is characterized in that: The lower end of the discharge mesh plate (11) is fixedly connected to a feed pipe (13), the lower end of the feed pipe (13) passes through the lower end wall of the discharge box (4) and extends to the lower end of the discharge box (4), the feed pipe (13) is fixedly connected to a feed conveying pipeline (14) at one end away from the discharge mesh plate (11), the feed conveying pipeline (14) passes through the right side wall of the boiler body (2) at one end away from the feed pipe (13) and is connected to the interior of the boiler body (2), and a control valve (15) is fixedly installed on the feed pipe (13).
4. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 3 is characterized in that: A rotating shaft (16) is fixedly arranged inside the material conveying pipeline (14), one end of the rotating shaft (16) is fixedly connected to the output end of a driving motor (17), the driving motor (17) is fixedly installed on the right side of the material conveying pipeline (14), and a plurality of groups of material conveying blades (18) are fixedly arranged on the outer side of the rotating shaft (16).
5. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 1 is characterized in that: A grate (19) is fixedly arranged inside the boiler body (2), the feed pipe (14) is fixedly arranged above the grate (19) at one end close to the boiler body (2), and a slag outlet (20) is fixedly arranged at the lower end of the grate (19).
6. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 1 is characterized in that: A reciprocating screw rod (21) is rotatably connected to the inner walls on the left and right sides of the boiler body (2); one end of the reciprocating screw rod (21) is fixedly connected to the output end of a rotating motor (22); the rotating motor (22) is fixedly mounted on the right outer wall of the boiler body (2); a screw rod sleeve (23) is provided on the outer fixed sleeve of the reciprocating screw rod (21); a rotating rod (24) is rotatably connected to the lower end of the screw rod sleeve (23); a fixed plate (25) is fixedly connected to the lower end of the rotating rod (24); and a plurality of stirring rods (26) are fixedly connected to the lower end of the fixed plate (25).
7. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 6 is characterized in that: The outer fixed sleeve of the rotating rod (24) is provided with a gear (27), one side of the gear (27) is provided with a rack (28), two ends of the rack (28) are fixedly connected to the left and right inner walls of the boiler body (2), and the gear (27) is meshed with the rack (28).
8. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 1 is characterized in that: A plurality of groups of air inlet holes (29) are fixedly provided on the left side wall of the boiler body (2); a connecting plate (30) is fixedly provided on the left side of the air inlet hole (29); a movable plate (31) is fixedly connected to the left side of the connecting plate (30); a telescopic rod (32) is fixedly connected to the upper end of the movable plate (31); the telescopic rod (32) is fixedly connected to the lower end surface of a mounting plate (33) at an end away from the movable plate (31); and the mounting plate (33) is fixedly connected to the left outer wall of the boiler body (2).
9. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 1, characterized in that: A set of placement plates (34) are fixedly connected to the inner walls of the upper and lower ends of the filter box (3), and a set of slide grooves (35) are fixedly opened on the opposite surfaces of the two sets of placement plates (34), and the upper and lower ends of the filter screen (7) are slidably connected in the two sets of slide grooves (35).
10. The bio-boiler large dust automatic cleaning heat recovery equipment according to claim 1, characterized in that: A box door (36) is fixedly mounted on the front of the filter box (3), and a handle (37) is fixedly mounted on the box door (36).