CN202374784U - Biomass-energy vegetable greenhouse heating and hot-air system - Google Patents

Abstract

The utility model relates to a hot-air boiler, in particular to a biomass-energy vegetable greenhouse heating and hot-air system. An oxygen feeding pipe is disposed inside an inner hearth. One end of the oxygen feeding pipe is welded to the upper portion of a dust storage chamber. A heat absorbing pipe is disposed on the upper portion of the inner hearth and is communicated with a hot air passage inside a boiler body. One end of the hot air passage is communicated with an air inlet. The other end of the hot air passage is communicated with a hot air outlet. A hot air passage baffle is disposed at the gap between the inner hearth and the hot air passage. The biomass-energy vegetable greenhouse heating and hot-air system is provided to overcome the defects of the prior art, and employs biomass as energy, is convenient in feeding, employs semi-gasified fuel, guarantees sufficient oxygen supply to the hearth, and is high in energy utilization rate.

Description

Biomass energy vegetable greenhouse heating hot air system

technical field

The utility model relates to a hot air boiler, in particular to a greenhouse heating hot air system using biomass energy as fuel.

Background technique

With the shortage of energy and the deterioration of the environment, the comprehensive utilization of biomass has been given full attention, and a large amount of scientific research funds have been invested in research and development. The results show that the content of sulfur and nitrogen in biomass elements is very low, and the ash content is also very small. , belongs to a low-carbon fuel, and the emissions of SO2, NO _x and soot produced by biomass combustion are much smaller than those of traditional energy sources, because the CO ₂ produced by biomass combustion can also be absorbed by the ecological cycle of plants, which is very important for alleviating The pressure of environmental degradation plays an important role. The renewable energy of biomass fuel is a non-polluting environment-friendly energy, which alleviates the pressure of energy shortage. The existing hot air systems on the market all use traditional energy, but they are not energy-saving, emit black smoke, emit excessive emissions, are not environmentally friendly, and cannot use biomass as energy.

Contents of the invention

The purpose of the utility model is to overcome the deficiencies in the prior art and provide a biomass energy vegetable greenhouse heating hot air system with convenient feeding of biomass, semi-gasification fuel, sufficient oxygen supply to the furnace and high utilization rate of energy energy.

The purpose of this utility model is achieved as follows: a biomass energy vegetable greenhouse heating hot air system, including a furnace body composed of heat-insulating materials with an air inlet and a hot air outlet, an outer shell package arranged outside the furnace body, and a furnace body inside The inner furnace, the hot air channel inside the inner furnace, the ash storage bin at the lower part of the furnace body, the grate at the lower part of the inner furnace, the ash outlet at the upper part of the ash storage bin, and the opening on one side of the furnace body. The charging port of the inner furnace and the flue gas outlet of the chimney connected to the inner furnace provided on the upper part of the furnace body, the inner furnace is provided with an oxygen pipe, and one end of the oxygen pipe is welded on the upper part of the ash storage bin; the inner furnace The upper part of the furnace is provided with a heat-absorbing pipe, which is connected with the hot air channel inside the furnace body, one end of the hot air channel is connected with the air inlet, the other end of the hot air channel is connected with the hot air outlet, the gap between the inner furnace and the hot air There is a hot air duct baffle.

The inside of the thermal insulation material is provided with a hot air duct shell.

The inner wall of the ash storage bin is provided with an oxygen supply port and a fan air inlet, and the oxygen supply port and the fan air inlet are connected with the oxygen supply passage inside the ash storage bin, and the oxygen supply passage is connected with the lower part of the oxygen supply pipe.

A hole for observing fire and adding oxygen is opened on the described feeding port.

The flue gas outlet of the chimney is provided with a flue gas control valve.

The utility model has the following positive effects: the upper part of the inner furnace is provided with a heat-absorbing pipe, and the heat-absorbing pipe is connected with the hot air channel inside the furnace body, and the inner furnace and the heat-absorbing pipe are heated at the same time; one end of the hot air channel is connected with the air inlet, The other end of the hot air channel is connected to the hot air outlet, and a hot air channel baffle is set in the gap between the inner furnace and the hot air channel, so that the hot air in the inner furnace is blocked by the hot air channel baffle and blown into the heat-absorbing pipe to realize secondary Heating; the oxygen inlet and fan air inlet are provided on the inner wall of the ash storage bin. After the material fuel is burned in the lower part of the inner furnace, the flue gas passes through the upper part of the inner furnace, and the oxygen pipe on the upper part releases oxygen to further burn the incompletely burned flue gas, so that black smoke will not emerge from the flue gas outlet of the chimney, which is energy-saving and environmentally friendly; The utility model has the advantages of simple structure, convenient operation, energy saving and environmental protection.

Description of drawings

Fig. 1 is a three-dimensional cross-sectional structural schematic diagram of the utility model.

Fig. 2 is a schematic cut-away view of the utility model.

Fig. 3 is a top view structural diagram of the utility model.

Fig. 4 is a left view structural diagram of the utility model.

Fig. 5 is a schematic structural diagram of a new right view of the utility model.

Fig. 6 is a rear view structural schematic diagram of the utility model.

Detailed ways

As shown in Figures 1, 2, 3, 4, 5, and 6, a biomass energy vegetable greenhouse heating hot air system includes a furnace body composed of an insulating material 5 with an air inlet 7 and a hot air outlet 15, and is arranged in the furnace. Shell package 16 outside the body, inner hearth 13 set inside the furnace body, hot air channel 3 set inside the inner hearth 13, ash storage bin 9 set at the lower part of the furnace body, fire grate 20 set at the lower part of the inner furnace body, and ash storage bin 9 The ash outlet 8 on the upper part, the charging port 12 opened on one side of the furnace body leading to the inner furnace 13, and the chimney flue gas outlet 1 connected to the inner furnace 13 arranged on the upper part of the furnace body, the inner furnace 13 An oxygenation pipe 6 is provided, and one end of the oxygenation pipe 6 is welded on the upper part of the ash storage bin 9; the upper part of the inner furnace 13 is provided with a heat absorption pipe 4, and the heat absorption pipe 4 communicates with the hot air channel 3 inside the furnace body, One end of the hot air passage 3 communicates with the air inlet 7 , the other end of the hot air passage 3 communicates with the hot air outlet 15 , and a hot air passage baffle 14 is arranged at the gap between the inner furnace 13 and the hot air passage 3 .

The inner side of the thermal insulation material 5 is provided with a hot air duct shell 2 . Oxygenation port 18 and fan air inlet 10 are provided on the inner wall of ash storage bin 9, and oxygen addition port 18 and fan air inlet 10 are connected with oxygenation channel 11 inside ash storage bin 9, and oxygenation channel 11 is connected with oxygenation channel 11. The lower part of the pipe 6 is connected. The feeding port 12 is provided with a fire watching and oxygen adding hole 17 . The flue gas outlet 1 of the chimney is provided with a flue gas control valve 19 .

The flue gas released from the primary combustion at the bottom of the inner furnace 13 passes through the upper part of the inner furnace 13, and the oxygen emitted from the oxygen supply pipe 6 combines with the flue gas to realize secondary combustion. At this time, the inner furnace 13 and the heat-absorbing pipe 4 are heated at the same time, The air inlet 7 blows cold air into the inner furnace 13, and blows the hot air in the inner furnace 13 into the heat-absorbing pipe 4 through the hot air channel baffle plate 14 to realize secondary heating without generating black smoke and polluting gas, energy saving and environmental protection .

Claims (5)

1. biomass energy green house of vegetables intensification hot-air system; Comprise the chimney smoke that is connected with internal furnace (13) outlet (1) that the hot-air channel (3) of the body of heater that the insulation material (5) that has air inlet (7) and hot-blast outlet (15) constituted, the internal furnace (13) that is arranged on the outside outer cover packaging (16) of body of heater, body of heater set inside, internal furnace (13) set inside, ash-storing bin (9) that the body of heater bottom is provided with, fire grate (20), the ash hole (8) that is arranged on ash-storing bin (9) top, the charge door that leads to internal furnace (13) (12) that is opened in body of heater one side and upper of furnace body that the internal furnace bottom is provided with are provided with; It is characterized in that: described internal furnace (13) set inside has oxygen-adding tube (6), and an end of oxygen-adding tube (6) is welded on ash-storing bin (9) top; The top of said internal furnace (13) is provided with endothermic tube (4); Endothermic tube (4) is connected with the inner hot-air channel (3) of body of heater; Hot-air channel (3) one ends are connected with air inlet (7); Hot-air channel (3) other end is connected with hot-blast outlet (15), and the gap between internal furnace (13) and hot-air channel (3) is provided with hot-flow flue baffle plate (14).

2. biomass energy green house of vegetables intensification hot-air system according to claim 1 is characterized in that: described insulation material (5) inboard is provided with hot-flow flue shell (2).

3. biomass energy green house of vegetables intensification hot-air system according to claim 1; It is characterized in that: oxygenation port (18) that offers on the inwall of described ash-storing bin (9) and air inlet (10); Oxygenation port (18) and air inlet (10) are connected with the inner oxygenation passage (11) of ash-storing bin (9), and oxygenation passage (11) is connected with oxygen-adding tube (6) bottom.

4. biomass energy green house of vegetables intensification hot-air system according to claim 1 is characterized in that: offer on the described charge door (12) and see fiery oxygenation hole (17).

5. biomass energy green house of vegetables intensification hot-air system according to claim 1 is characterized in that: described chimney smoke outlet (1) is provided with gas fume control valve (19).

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