Biomass power generation straw combustion device

Abstract

The utility model discloses a biomass power generation straw combustion device which comprises a combustion chamber, a bearing plate is fixedly connected in the combustion chamber, a plurality of through holes are formed in the bearing plate, two sets of bearing rods are arranged above the bearing plate, the two bearing rods are arranged in a V shape, the lower end face of the combustion chamber is fixedly connected with a dust collecting hopper, and the lower end face of the dust collecting hopper is fixedly connected with a collecting box. One side of the collecting box is slidably connected with a collecting box, open grooves are formed in the two sides of the collecting box, a water tank is arranged on one side of the collecting box, a water inlet pipe is fixedly connected to the upper end face of the water tank, and a first conveying pipe is fixedly connected to the water tank. And plant ash is subjected to dust falling treatment, so that the plant ash is condensed into blocks when encountering water, the plant ash can be well collected and treated, the plant ash is prevented from drifting away, and the influence on the surrounding environment and workers is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass combustion power generation, in particular to a biomass power generation straw combustion device. Background Art

[0002] Biomass power generation is the use of biomass energy to generate electricity. It is a type of renewable energy power generation, including direct combustion of agricultural and forestry waste power generation, agricultural and forestry waste gasification power generation, garbage incineration power generation, landfill gas power generation, and biogas power generation. After the combustion of biomass straw is completed, the ash produced by the combustion needs to be processed.

[0003] According to a biomass power generation straw combustion device disclosed in a Chinese patent document with announcement number CN218763357U, it relates to the field of biomass combustion power generation technology, including a biomass fuel combustion chamber, partitions are arranged on both sides of the interior of the biomass fuel combustion chamber, and the side surface of the partition is provided with an inclined through groove, and the side surface of the partition close to the inner wall of the biomass fuel combustion chamber is fixedly connected with a dust filter, and induced draft fans are arranged on both sides of the top of the biomass fuel combustion chamber, and the two ends of the induced draft fan are fixedly connected to the support duct. In the utility model, the air ejected outward from the jet hole rotates and ejects outward, so that the air can be evenly filled into the space between the partition and the biomass fuel combustion chamber, and evenly dissipated into the upper and lower layers of the interior of the biomass fuel combustion chamber through the dust filter and the inclined through groove, so that the accumulated straw can be fully burned, and the bioenergy in the straw material can be fully and effectively released.

[0004] Based on the search of the above patents and in combination with the combustion devices in the prior art, it is found that when the above combustion device is used, the air is evenly filled in the upper and lower layers of the combustion chamber, so that the stacked straw is fully burned, and the generated wood ash is collected and processed through the inclined trough. Since the wood ash is light in weight and easy to float, it is easy to float around during the collection and transportation process, causing harm to the surrounding environment and the health of the staff, and it cannot be well processed, resulting in reduced practicality. Utility Model Content

[0005] The utility model aims to provide a biomass power generation straw combustion device. Through the use of two groups of bearing rods, the connecting rods can be supported to increase the combustion area of ​​the connecting rods, and the structure can be prevented from being piled up in one piece. The generated wood ash is transported to two water sprays through the water supply spray of the water tank through the action of a water pump, and is quickly sprayed out through multiple nozzles to form atomization, so that the wood ash is subjected to dust reduction treatment, and the wood ash is condensed into blocks when it meets water. The wood ash can be well collected and processed to prevent the wood ash from floating around and affecting the surrounding environment and staff.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biomass power generation straw combustion device comprises a combustion chamber, wherein a bearing plate is fixedly connected in the combustion chamber, a plurality of through holes are provided on the bearing plate, two groups of bearing rods are provided above the bearing plate, and the two bearing rods are arranged in a V-shape, a dust collecting hopper is fixedly connected to the lower end surface of the combustion chamber, a collecting box is fixedly connected to the lower end surface of the dust collecting hopper, a collecting box is slidably connected to one side of the collecting box, open grooves are provided on both sides of the collecting box, a water tank is provided on one side of the collecting box, a water inlet pipe is fixedly connected to the upper end surface of the water tank, a first delivery pipe is fixedly connected to the water tank, a water pump is fixedly connected to one end of the first delivery pipe, a second delivery pipe is fixedly connected to the end of the water pump away from the first delivery pipe, a water supply rod is fixedly connected to the end of the second delivery pipe away from the water pump, a water spray rod is fixedly connected to both ends of the water supply rod, a pressure rod is fixedly connected inside the water spray rod, and a plurality of evenly distributed nozzles are fixedly connected to the opposite sides of the two water spray rods.

[0007] The beneficial effects of the utility model are as follows: the two groups of carrying rods are arranged in a V-shape, so that the straw can be carried, the burning area of ​​the straw can be increased, and the straw can be fully burned. In addition, two water spraying rods and multiple nozzles are used to spray water on the fallen ash, so that the ash will not be raised, and the ash will condense into blocks when it meets water, which is convenient for collection and transportation.

[0008] In order to achieve full combustion of straw and process the ash to prevent dust:

[0009] As a further improvement of the above technical solution: a water collecting trough is provided on the inner wall of the collection box, and a plurality of evenly distributed water seepage holes are opened on the inner bottom wall of the collection box.

[0010] The beneficial effect of this improvement is that the water contained in the wood ash can be filtered through the seepage holes, and the filtered wastewater can be collected and processed in a centralized manner through the water collection tank:

[0011] In order to filter and collect dust in wood ash:

[0012] As a further improvement of the above technical solution: a smoke exhaust pipe is fixedly connected to one side of the combustion chamber, and a powerful fan is fixedly connected inside the smoke exhaust pipe.

[0013] The beneficial effect of this improvement is that the smoke generated by combustion can be discharged and processed through the action of a powerful fan:

[0014] In order to achieve the emission of smoke:

[0015] As a further improvement of the above technical solution: an air inlet and an air outlet are respectively opened on the other two sides of the combustion chamber, and a filter is provided at the air inlet and the air outlet, and the filter is fixedly connected to the combustion chamber.

[0016] The beneficial effects of this improvement are: by using the air inlet and the air outlet in coordination, the air circulation in the combustion chamber is ensured, and there is enough oxygen to allow the straw to be fully burned:

[0017] To achieve ventilation of the combustion chamber:

[0018] As a further improvement of the above technical solution: a drain pipe is fixedly connected to one side of the collection box, and a drain valve is fixedly connected to the drain pipe.

[0019] The beneficial effects of this improvement are: through the use of the drain pipe and the water distribution valve, the wastewater in the water collection tank can be discharged and processed, and by using the drain valve, the wastewater in the water collection tank can be flexibly processed:

[0020] In order to discharge the wastewater in the sump:

[0021] As a further improvement of the above technical solution: the upper end surface of the combustion chamber is fixedly connected with a feed box, and the upper end surface of the feed box is hinged with a cover.

[0022] The beneficial effects of this improvement are: through the action of the feed box and the cover, straw can be added into the combustion chamber, which is convenient for flexible placement, and the sealing of the combustion chamber is ensured to prevent dust from escaping from the top:

[0023] In order to achieve the placement of straw and prevent dust from overflowing:

[0024] As a further improvement of the above technical solution: a fixing frame is fixedly connected to the outer wall of the combustion chamber, a load-bearing plate is fixedly connected to the lower end of the fixing frame, and support legs are fixedly connected to the four corners of the lower end surface of the load-bearing plate.

[0025] The beneficial effect of this improvement is that the whole combustion device can be supported and fixed by the coordinated use of the load-bearing plate and the fixing frame, thereby ensuring the stability of the whole combustion device:

[0026] In order to support and fix the entire combustion device: BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The three-dimensional structure provided by the utility model is shown in FIG. Figure 1 ;

[0028] Figure 2 A top view provided for the utility model;

[0029] Figure 3 Provided for the utility model Figure 2 The three-dimensional cross-section view at AA in the middle;

[0030] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;

[0031] Figure 5 The utility model provides Figure 2 A three-dimensional cross-section view at the middle BB;

[0032] Figure 6 The three-dimensional structure provided by the utility model is shown in FIG. Figure 2 .

[0033] In the figure, 1, combustion chamber; 11, bearing plate; 12, through hole; 13, bearing rod; 14, dust hopper; 15, collecting box; 16, collecting box; 17, open slot; 18, water tank; 19, water inlet pipe; 20, first delivery pipe; 21, water pump; 22, second delivery pipe; 23, water supply rod; 24, water spray rod; 25, pressure rod; 26, nozzle; 31, water collecting trough; 32, water seepage hole; 41, smoke exhaust pipe; 42, powerful fan; 51, air inlet; 52, air outlet; 53, filter; 61, drain pipe; 62, drain valve; 71, feed box; 72, cover; 81, fixing frame; 82, load-bearing plate; 83, supporting leg. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0035] like Figures 1 to 6As shown, a biomass power generation straw combustion device provided by an embodiment of the utility model includes a combustion chamber 1, a carrying plate 11 is fixedly connected in the combustion chamber 1, a plurality of through holes 12 are opened on the carrying plate 11, and the through holes 12 can leak grass and wood for easy collection, two groups of carrying rods 13 are arranged above the carrying plate 11, and the two carrying rods 13 are arranged in a V shape. By using the carrying plate 11 and the two groups of carrying rods 13, the straw is carried, and the two groups of carrying rods 13 are equipped to increase the combustion area of ​​the straw, so that the straw can be fully burned, a dust hopper 14 is fixedly connected to the lower end surface of the combustion chamber 1, and a collection box 15 is fixedly connected to the lower end surface of the dust hopper 14, and a collection box 16 is slidably connected to one side of the collection box 15. The ash produced by combustion can be collected and processed. Open grooves 17 are provided on both sides of the collection box 16. A water tank 18 is provided on one side of the collection box 15. A water inlet pipe 19 is fixedly connected to the upper end surface of the water tank 18. The water inlet pipe 19 can facilitate the addition of water to the water tank 18. A first delivery pipe 20 is fixedly connected to the water tank 18. A water pump 21 is fixedly connected to one end of the first delivery pipe 20. A second delivery pipe 22 is fixedly connected to the end of the water pump 21 away from the first delivery pipe 20. A water supply rod 23 is fixedly connected to the end of the second delivery pipe 22 away from the water pump 21. Water spray rods 24 are fixedly connected to both ends of the water supply rod 23. Through the action of the water pump 21, the water in the water tank 18 can be delivered to the water spray rod 24 through the first delivery pipe 20 and the second delivery pipe 22. A pressure rod 25 is fixedly connected to the water spray rod 24, and the pressure rod 25 can reduce the space inside the water spray rod 24 to speed up the water flow. A plurality of evenly distributed nozzles 26 are fixedly connected to the opposite sides of the two water spray rods 24, and the water is quickly sprayed out through the plurality of nozzles 26 to form a better atomization effect. A water collection tank 31 is provided on the inner wall of the collection box 15, and a plurality of evenly distributed water seepage holes 32 are opened on the inner bottom wall of the collection box 16. The plurality of evenly distributed water seepage holes 32 can filter the moisture contained in the wood ash and collect the waste water in the water collection tank 31. A drain pipe 61 is fixedly connected to one side of the collection box 15, and a drain valve 62 is fixedly connected to the drain pipe 61, and the use of the drain valve 62 and the drain pipe 61 is coordinated to discharge the waste water, and the fuel The other two sides of the combustion chamber 1 are respectively provided with an air inlet 51 and an air outlet 52, and the air inlet 51 and the air outlet 52 are both provided with a filter 53, and the filter 53 is fixedly connected to the combustion chamber 1. The air inlet 51 and the air outlet 52 can ensure the air circulation of the combustion chamber 1 and the full combustion of the straw. The two filters 53 can prevent the grass and wood from overflowing. A smoke exhaust pipe 41 is fixedly connected to one side of the combustion chamber 1, and a powerful fan 42 is fixedly connected to the smoke exhaust pipe 41. With the action of the powerful fan 42, the smoke generated by the combustion is discharged and processed. A feed box 71 is fixedly connected to the upper end face of the combustion chamber 1, and a cover 72 is hinged on the upper end face of the feed box 71. Through the feed box 71 and the cover 72, straw can be flexibly added to the combustion box and the sealing of the combustion chamber 1 can be ensured.A fixing frame 81 is fixedly connected to the outer wall of the combustion chamber 1, a bearing plate 82 is fixedly connected to the lower end of the fixing frame 81, and support legs 83 are fixedly connected to the four corners of the lower end surface of the bearing plate 11. The fixing frame 81, the bearing plate 82 and the four support legs 83 can support and fix the entire combustion device.

[0036] The working principle and use process of the utility model are as follows: when in use, first, straw is added into the combustion box through the feed box 71 and burned. Most of the straw will be accumulated between the two groups of bearing rods 13, and a small part will fall on the bearing plate 11. By increasing the burning area of ​​the straw, the connecting rods are fully burned. The air inlet 51 and the air outlet 52 can ensure that the combustion chamber 1 has sufficient oxygen to facilitate combustion. The ash produced by the combustion will fall into the collection bucket through the several through holes 12 on the bearing plate 11 and accumulate in the collection box 15. In the process of the ash falling, the water source in the water tank 18 is pumped through the first delivery pipe 20 and the second delivery pipe 21. The delivery pipe 22 delivers the water to the two water spraying rods 24. Under the action of the pressure rod 25 in the water spraying rod 24, the internal space of the water spraying rod 24 is reduced to accelerate the water flow speed, and the water is sprayed out through multiple nozzles 26 to achieve the effect of atomization, so as to reduce the dust of the wood ash, so that all the wood ash is accumulated in the collection box 16. Through the action of several seepage holes 32 on the collection box 16, the waste water is collected in the sump 31, and through the cooperation of the drain valve 62 and the drain pipe 61, the waste water is discharged in a disk, and the smoke generated by the combustion is exhausted by the action of the powerful fan 42 and purified by the purification system, so as to realize the use process of the entire combustion device.

[0037] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0038] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, modifications or changes, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A biomass power generation straw combustion device, comprising a combustion chamber (1), characterized in that: A bearing plate (11) is fixedly connected inside the combustion chamber (1), a plurality of through holes (12) are provided on the bearing plate (11), two groups of bearing rods (13) are provided above the bearing plate (11), the two bearing rods (13) are arranged in a V-shape, a dust collecting hopper (14) is fixedly connected to the lower end surface of the combustion chamber (1), a collecting box (15) is fixedly connected to the lower end surface of the dust collecting hopper (14), a collecting box (16) is slidably connected to one side of the collecting box (15), and open grooves (17) are provided on both sides of the collecting box (16); A water tank (18) is provided on one side of the collection box (15); a water inlet pipe (19) is fixedly connected to the upper end surface of the water tank (18); a first delivery pipe (20) is fixedly connected to the water tank (18); one end of the first delivery pipe (20) is fixedly connected to a water pump (21); an end of the water pump (21) away from the first delivery pipe (20) is fixedly connected to a second delivery pipe (22); an end of the second delivery pipe (22) away from the water pump (21) is fixedly connected to a water supply rod (23); both ends of the water supply rod (23) are fixedly connected to water spray rods (24); a pressure rod (25) is fixedly connected inside the water spray rod (24); and a plurality of uniformly distributed spray heads (26) are fixedly connected to opposite sides of the two water spray rods (24).

2. A biomass power generation straw combustion device according to claim 1, characterized in that: The inner wall of the collection box (15) is provided with a water collecting groove (31), and the inner bottom wall of the collection box (16) is provided with a plurality of evenly distributed water seepage holes (32).

3. The biomass power generation straw combustion device according to claim 1, characterized in that: A smoke exhaust pipe (41) is fixedly connected to one side of the combustion chamber (1), and a powerful fan (42) is fixedly connected inside the smoke exhaust pipe (41).

4. The biomass power generation straw combustion device according to claim 1, characterized in that: An air inlet (51) and an air outlet (52) are respectively provided on the other two sides of the combustion chamber (1); a filter screen (53) is provided at each of the air inlet (51) and the air outlet (52); and the filter screen (53) is fixedly connected to the combustion chamber (1).

5. The biomass power generation straw combustion device according to claim 1, characterized in that: A drainage pipe (61) is fixedly connected to one side of the collection box (15), and a drainage valve (62) is fixedly connected to the drainage pipe (61).

6. The biomass power generation straw combustion device according to claim 1, characterized in that: The upper end surface of the combustion chamber (1) is fixedly connected to a feed box (71), and the upper end surface of the feed box (71) is hingedly connected to a cover (72).

7. The biomass power generation straw combustion device according to claim 1, characterized in that: A fixing frame (81) is fixedly connected to the outer wall of the combustion chamber (1), a load-bearing plate (82) is fixedly connected to the lower end of the fixing frame (81), and support legs (83) are fixedly connected to the four corners of the lower end surface of the bearing plate (11).

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