CN110160070B - Green environment-friendly agriculture and forestry wood waste incinerator and heating and hot water supply system - Google Patents
Green environment-friendly agriculture and forestry wood waste incinerator and heating and hot water supply system Download PDFInfo
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- CN110160070B CN110160070B CN201810257667.8A CN201810257667A CN110160070B CN 110160070 B CN110160070 B CN 110160070B CN 201810257667 A CN201810257667 A CN 201810257667A CN 110160070 B CN110160070 B CN 110160070B
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- water
- hearth
- waste
- air supply
- furnace
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/26—Biowaste
Abstract
The invention relates to an environment-friendly agricultural and forestry wood waste incinerator, which comprises: the furnace body is internally provided with a hearth for burning the wooden waste, and the periphery of the hearth is sleeved with a water jacket for containing water to be heated to absorb heat from the hearth; the furnace cover covers the upper part of the hearth; the auger assembly is rotatably arranged in the hearth, the lower end of the auger assembly is rotatably supported on the furnace body, and the upper end of the auger assembly penetrates through and is exposed out of the furnace cover; wherein, the auger assembly is including supplying dryer and helical blade, and helical blade is around locating on the periphery wall that supplies the dryer, and supply the vertical furnace central authorities of locating of dryer for provide combustion-supporting gas in to furnace, helical blade is used for bearing wooden waste material. This burn burning furnace burns step by step through laying the wooden waste material of agriculture and forestry on the helical blade of auger assembly for wooden waste material burns fully, burns efficiently, and rural heating system can be supplied with to the hot water of production, thereby realizes the high-efficient reuse to the concentrated effective processing of the wooden waste material of agriculture and forestry and wastes material.
Description
Technical Field
The invention relates to the technical field of green environmental protection, in particular to a green environmental-protection agricultural and forestry wood waste incinerator and a heating and hot water supply system.
Background
The existing agricultural and forestry wood waste materials, such as branches, tree roots, waste firewood waste materials and the like, are stacked together, not only occupy the land, but also are easy to rot and deteriorate, mildew and smell under the sun and rain, and the air quality is influenced.
At present, agricultural and forestry wood waste is treated mostly by a burning method, and a large amount of smoke is often generated in the treatment process, so that the environment is polluted, the atmospheric quality is damaged, and the greenhouse effect is increased. Moreover, the treatment mode can not effectively convert and utilize the energy of the agricultural and forestry wood waste, thereby causing a great deal of energy waste.
In the prior art, although some stoves for incinerating agricultural and forestry wood waste exist, the stoves are simple and easy, and the treatment effect and the energy recovery efficiency are not high.
Disclosure of Invention
In view of the above, the present invention provides an environment-friendly agricultural and forestry wood waste incinerator, which can sufficiently incinerate wood waste, has high incineration efficiency, and can supply the generated hot water to a heating system in rural areas, thereby realizing the centralized and effective treatment of agricultural and forestry wood waste and the efficient reuse of waste, so as to solve the problems in the prior art.
According to a first aspect of the present invention, there is provided an environment-friendly agricultural and forestry wood waste incinerator, comprising:
the furnace body is internally provided with a hearth for burning the wooden waste, and the periphery of the hearth is sleeved with a water jacket for containing water to be heated to absorb heat from the hearth;
the furnace cover covers the upper part of the hearth;
the auger assembly is rotatably arranged in the hearth, the lower end of the auger assembly is rotatably supported on the furnace body, and the upper end of the auger assembly penetrates through and is exposed out of the furnace cover;
wherein, the auger assembly is including supplying dryer and helical blade, helical blade is around locating on the periphery wall that supplies the dryer, supply the dryer vertically to be located furnace central authorities are used for to provide combustion-supporting gas in the furnace, helical blade is used for bearing wooden waste material.
Preferably, the air supply barrel comprises a feeding section and an air supply section, the feeding section is arranged above the air supply section, a waste material sliding plate is arranged between the feeding section and the air supply section, the feeding section and the air supply section are separated by the waste material sliding plate,
the feeding section is characterized in that a wooden waste outlet is formed in the peripheral wall of the feeding section, the bottom of the wooden waste outlet and the waste sliding plate are correspondingly arranged in the height direction, and therefore the wooden material from the feeding section slides to the wooden waste outlet and slides to the spiral blades.
Preferably, an igniter is arranged on the hearth wall of the hearth and faces the wood waste outlet for igniting the wood waste.
Preferably, the air supply section comprises an inner cylinder, an outer cylinder and a plurality of air pipes, the outer cylinder is sleeved outside the inner cylinder, an annular water chamber is formed between the inner cylinder and the outer cylinder and used for containing water to absorb heat from the hearth, the plurality of air pipes are distributed on the outer cylinder,
and each air pipe sequentially penetrates through the inner cylinder, the annular water chamber and the outer cylinder, and two ends of each air pipe are respectively fixed on the inner cylinder and the outer cylinder so as to communicate the inner cylinder and the hearth.
Preferably, the bottom of the air supply barrel is closed and is provided with an air supply pipe communicated with the inner barrel, and the air supply pipe is used for introducing external combustion-supporting gas into the inner barrel.
Preferably, the upper part of the air supply section is provided with a feed hopper for feeding wood waste into the feeding section.
Preferably, a water temperature sensor is arranged on the outer wall of the furnace body, and an induction probe of the water temperature sensor is inserted into the upper part of the water jacket and used for detecting the water temperature in the water jacket.
Preferably, an annular flue gas treatment box is arranged on the inner peripheral wall of the furnace cover, and the flue gas treatment box is communicated with the hearth and is used for carrying out pollution-free treatment on the flue gas from the hearth before being discharged outside.
Preferably, the bottom of the furnace body is provided with a slag discharging chamber for temporarily storing leaked fuel slag in the hearth.
According to a second aspect of the invention, a heating and hot water supply system is provided, which comprises the agricultural and forestry wood waste incinerator, and a heating pipeline, a domestic water pipeline and a cultivation water pipeline, wherein the heating pipeline, the domestic water pipeline and the cultivation water pipeline are respectively communicated with a water supply port of the green environment-friendly agricultural and forestry wood waste incinerator, and hot water generated in a water jacket of the green environment-friendly agricultural and forestry wood waste incinerator is respectively fed into the heating pipeline, the domestic water pipeline and the cultivation water pipeline through the water supply port.
The green environment-friendly agricultural and forestry wood waste incinerator provided by the invention has the advantages that the agricultural and forestry wood waste is distributed on the spiral blades of the auger assembly to be incinerated layer by layer, the preheating and air supply are carried out through the air supply cylinder arranged in the center of the hearth, the wood waste is fully incinerated, the incineration efficiency is high, and the generated hot water can be supplied to a heating system in rural areas, so that the centralized effective treatment of the agricultural and forestry wood waste and the efficient reutilization of the waste are realized.
This wooden waste material of green type agriculture and forestry burns burning furnace burns through utilizing the wooden waste material of discarded agriculture and forestry to the hot water that will burn the production is as rural heating, life and breed water system, and the flue gas that burns the production is discharged outward after thoroughly effective processing, and on the one hand make full use of the wooden waste material of agriculture and forestry to produce the heat and carry out effective processing to it, the exploitation of resources such as the reducible coal of on the other hand, green.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of an environment-friendly agricultural and forestry wood waste incinerator according to an embodiment of the invention.
Fig. 2 shows a schematic structural diagram of an auger assembly of the green environment-friendly agricultural and forestry wood waste incinerator according to the embodiment of the invention.
Fig. 3 shows a sectional view of an air supply cylinder of the green environment-friendly agricultural and forestry wood waste incinerator according to an embodiment of the invention.
Fig. 4 shows a cross-sectional view of the portion a in fig. 3.
Fig. 5 is a schematic structural diagram of a control system of an environment-friendly agricultural and forestry wood waste incinerator according to an embodiment of the invention.
Fig. 6 shows a schematic structural diagram of a green environment-friendly agricultural and forestry wood waste incinerator according to the second embodiment of the invention.
Fig. 7 shows a schematic structural diagram of a green environment-friendly agricultural and forestry wood waste incinerator according to a third embodiment of the invention.
Fig. 8 shows a schematic structural diagram of an auger assembly of a green environment-friendly agriculture and forestry wood waste incinerator according to a third embodiment of the invention.
Fig. 9 shows a schematic view of the structure of a heating and hot water supply system according to the present invention.
In the figure: the environment-friendly agricultural and forestry wood waste incinerator 1001, the heating pipeline 2001, the domestic water pipeline 3001, the breeding water pipeline 4001, the furnace body 1000, the hearth 11, the water jacket 12, the water supply inlet 121, the water delivery port 122, the circulating water return port 123, the circulating water external discharge port 124, the dust collection cavity 1200, the slag discharge chamber 13, the conical disc 131, the slag discharge 132, the furnace cover 14, the flue gas treatment box 141, the smoke discharge pipe 142, the bent pipe 15, the gas emission pipe 16, the igniter 17, the annular partition plate 19, the auger assembly 2000, the air supply cylinder 200, the air supply section 2011, the inner cylinder 21, the outer cylinder 22, the air pipe 23, the waste slide plate 24, the air supply pipe 25, the feeding section 31, the circulating water inlet 311, the circulating water outlet 312, the wood waste outlet 313, the spiral blade 202, the slag discharge hole 2022, the slag discharge port 2023, the water temperature sensor 4, the first water pump 51, the second water pump 52, the supporting legs 53, the control device 6, the blower 7, the smoke generator 7, the air conditioner, and the air conditioner, Gear 8, feeder hopper 9, external power mechanism 10.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
The first embodiment is as follows:
as shown in fig. 1 to 5, the present invention provides an environment-friendly agricultural and forestry wood waste incinerator 1001, wherein the environment-friendly agricultural and forestry wood waste incinerator 1001 includes an incinerator body 1000, an incinerator cover 14 and an auger assembly 2000. The furnace body 1000 is provided with a hearth 11 for burning wood waste, the periphery of the hearth 11 is sleeved with a water jacket 12, and the water jacket 12 is used for containing water to be heated to absorb heat from the hearth 11. And the furnace cover 14 covers the upper part of the hearth 11. The auger assembly 2000 is rotatably arranged in the hearth 11, the lower end of the auger assembly is rotatably supported on the furnace body 1000, and the upper end of the auger assembly penetrates through and is exposed out of the furnace cover 14. Wherein, auger assembly 2000 is including supplying dryer 200 and helical blade 202, helical blade 202 is around locating supply on the periphery wall of dryer 200, supply dryer 200 vertical locate 11 central authorities of furnace are used for to provide combustion-supporting gas in 11 furnace, helical blade 202 is used for bearing wooden waste material.
The bottom of the furnace body 1000 is provided with a slag discharging chamber 13 for temporarily storing the fuel slag leaked from the hearth 11. The top of the slag discharging chamber 13 is a slag leakage discharging bar 132, and the slag leakage discharging bar 132 is also the bottom plate of the hearth 11. The slag leakage row 132 is detachably connected to, for example, the bottom of the hearth 11, and is used for leaking the incinerated slag down to the slag discharge chamber 13. The slag discharging chamber 13 is internally provided with a conical disc 131 for sliding the fuel slag leaked downwards to the conical disc to the periphery of the slag discharging chamber 13. The side wall of the slag discharging chamber 13 is provided with slag discharging holes for discharging slag.
Further, the outer periphery of the bottom wall of the slag discharge chamber 13 is provided with support legs 7 for supporting the entire incinerator.
In this embodiment, the wood waste of agriculture and forestry can be branches, roots, waste firewood, waste wood, and the like.
Referring to fig. 2 to 4, the air supply duct 200 includes a feeding section 31 and an air supply section 2011, the feeding section 31 is disposed above the air supply section 2011, a waste material slide-down plate 24 is disposed between the feeding section 31 and the air supply section 2011, and the feeding section 31 and the air supply section 2011 are separated by the waste material slide-down plate 24. Specifically, the waste material slide-down plate 24 covers and seals the upper end of the air supply section 2011, and the upper surface of the waste material slide-down plate 24 is selected to be a conical surface or an arc surface, so that the wooden waste material can slide out from the lower end of the feeding section 31 to the hearth 11. In this example, the waste slide-off plate 24 is selected to be an arcuate surface.
The upper portion of feeding section 31 is double-deck outer wall structure, overlaps each other to establish between the double-deck outer wall and forms the annular chamber, be equipped with circulating water outlet 312 on the bottom periphery wall of annular chamber, be equipped with circulating water inlet 311 on the upper portion periphery wall. Be equipped with on the upper portion periphery wall of furnace body 1000 with the outer round outlet 124 of circulating water of water jacket 12 intercommunication, be equipped with on the lower part periphery wall of furnace body 1000 with the circulating water backward flow mouth 123 of water jacket 12 intercommunication, the outer round outlet 124 of circulating water with circulating water inlet 311 intercommunication, circulating water backward flow mouth 123 with circulating water delivery port 312 intercommunication, it is a plurality of the spiral discharging pipe is located on the lower part terminal surface of feed cylinder, and respectively with the feed cylinder intercommunication.
Hot water in the water jacket 12 circularly enters the annular cavity, agricultural and forestry wood waste in the feeding section 31 is preheated to improve the combustibility of waste fuel, and then enters the hearth 11 for incineration.
A wooden waste outlet 313 is formed in the lower portion of the outer peripheral wall of the feeding section 31, the wooden waste outlet 313 is located in the hearth 11, and the bottom of the wooden waste outlet 313 and the waste sliding plate 24 are correspondingly arranged in the height direction, so that the wooden material from the feeding section 31 slides from the waste sliding plate 24 to the wooden waste outlet 313 and slides onto the spiral blade 202. The upper part of the feeding section 31 is a double-layer outer wall structure which extends from the upper end of the feeding section 31 to the upper edge of the wood waste outlet 313 from top to bottom.
The air supply section 2011 includes an inner cylinder 21, an outer cylinder 22, and a plurality of tuber pipes 23, the outer cylinder 22 is located the outside of inner cylinder 21, form annular hydroecium between inner cylinder 21 and the outer cylinder 22 for splendid attire water absorbs the heat that comes from furnace 11, and is a plurality of tuber pipes 23 distribute in on the outer cylinder 22. Each air pipe 23 sequentially penetrates through the inner cylinder 21, the annular water chamber and the outer cylinder 22, and two ends of each air pipe are respectively fixed on the inner cylinder 21 and the outer cylinder 22, so that the inner cylinder 21 and the hearth 11 are communicated. The bottom of the air supply barrel 200 is closed and provided with an air supply pipe 25 communicated with the inner barrel 21, and the air supply pipe 25 is used for introducing external combustion-supporting gas into the inner barrel 21. The air duct 23 can be perpendicular to the inner cylinder 21, or can be inclined to the inner cylinder 21 at a certain angle, and is specifically set as required. In this embodiment, the duct 23 and the inner cylinder 21 are arranged perpendicular to each other.
Further, along air feed section of thick bamboo top-down, the tuber pipe diameter that each circle helical blade corresponds reduces in proper order, and the air feed wind-force reduces gradually to prevent that the wooden waste material of lower floor burns the material and is blown up by air feed wind-force because particle diameter and density are less, blocks combustion-supporting gas passageway.
In this embodiment, the air supply pipe 25 of the air supply cylinder 200 is rotatably disposed on the bottom wall of the furnace body 1000, i.e., the bottom wall of the slag discharging chamber 13, and passes downward through the slag discharging chamber 13. Specifically, the center of the slag leakage row 132 is provided with a bearing, and the air supply pipe 25 sequentially passes through the bearing and the conical disc 131 from top to bottom and is exposed out of the slag discharge chamber 13. The part of air feed pipe 25 that exposes scum chamber 13 is equipped with gear 8, and gear 8 is located the outside of scum chamber 13, and gear 8 is connected with external power mechanism 10 transmission, rotates under the drive of external power structure to with the even blowing of combustion-supporting gas to furnace 11 in, increased the homogeneity and the stability of burning, burn more effectively thoroughly.
The air inlet pipe (not shown) of the blower is inserted into the air supply pipe 25, and the air inlet pipe can be fixed on the bottom wall of the furnace body 1000.
Further, the helical blade 202 is provided on the air supply section 2011. The helical blade 202 is provided with a slag leakage vent 2021. This leak sediment bleeder vent 2021 is used for the fuel sediment successive layer on the helical blade 202 of upper ring to leak down and finally arrange outward to avoid piling up of material sediment, the circulation and the distribution of the heat in whole furnace 11 of being convenient for simultaneously, make burning of waste material fuel more even, the heat radiation to water jacket 12 is more even stable.
Furthermore, from top to bottom, the pitch of each circle of helical blades 202 is gradually reduced, and the aperture of the slag leakage vent hole on each circle of helical blades 202 is gradually reduced, so that the layered gradual incineration of the wood waste fuel is realized. After the waste fuel on the upper ring of spiral blades 202 is burnt into particles with preset sizes, the waste fuel is leaked downwards to the lower ring of spiral blades 202 to be continuously burnt, so that the layered gradual burning of the waste fuel is completed, the insufficient burning of agricultural and forestry wood waste caused by the mixed accumulation of the waste fuel with various sizes is prevented, and the coking of the follow-up hearth 11 is caused. Such structural design makes this green type agriculture and forestry wooden waste incinerator 1001 when handling agriculture and forestry wooden waste, has high burning and calorific value efficiency.
Further, the upper part of the air supply section 2011 is provided with a feed hopper 9 for inputting the wood waste into the feeding section 31.
In this embodiment, the furnace 11 has a cylindrical structure, and an inverted funnel is formed at the upper end of the furnace 11. An annular partition plate 19 is arranged in the water jacket 12, and the annular partition plate 19 is positioned at the bottom of the funnel part and is basically consistent with the height of the upper end of the spiral blade 202. The periphery side of baffle welds on the internal perisporium of furnace body 1000, and the inner periphery side welds on extending the cambered surface, and the baffle is divided into two upper and lower cavities with water jacket 12, and the cavity of lower part is used for splendid attire water to absorb the heat that comes from furnace 11.
An igniter 17 is arranged on the wall of the hearth 11 at the upper part of the hearth 11, specifically, the funnel part, the igniter 17 is positioned above the partition plate, and the igniter 17 faces and is aligned with the wooden waste outlet 313 and is used for igniting the wooden waste sliding out of the wooden waste outlet 313. In this embodiment, the number of the igniters 17 is four, and the igniters are uniformly distributed around the circumference of the funnel portion and are arranged corresponding to the wooden waste outlets 313 in the circumferential direction. The outer peripheral wall of the furnace body 1000 is provided with a water supply port 121 and a water delivery port 122, and the water supply port 121 and the water delivery port 122 are respectively communicated with the chamber at the lower part of the partition plate of the water jacket 12. Wherein the water supply port 121 is located at the bottom of the outer peripheral wall of the water jacket 12 and at the lower part of the circulating water return port 123, and the water supply port 121 and the circulating water return port 123 are both disposed in close proximity. The water delivery port 122 is located at an upper portion of the outer peripheral wall of the water jacket 12, at a lower portion of the partition plate, and is disposed adjacent to the partition plate. The water supply port 121 is used for communicating with an external water source and supplying water to be heated into the water jacket 12; the water delivery port 122 is used for delivering water heated to a predetermined temperature in the water jacket 12, and the first water pump 51 is connected to the water delivery port 122, and the hot water in the water jacket 12 is delivered to a user side, such as a heating side, a boiler side or a domestic water side, by the pumping effect provided by the first water pump 51. And a second water pump 52 is connected between the circulating water outlet 124 and the circulating water inlet 311, and is used for conveying hot water heated to a preset temperature in the water jacket 12 to the annular cavity of the feeding section 31, and the hot water further preheats and dries the wood waste entering the feeding section 31, so as to improve the combustibility after entering the hearth 11.
The outer wall of the furnace body 1000 is provided with a water temperature sensor 4, an induction probe of the water temperature sensor 4 is inserted into the upper part of the water, and the water temperature sensor 4 is positioned at the lower part of the water delivery port 122, is arranged close to the water delivery port 122, and is used for detecting the water temperature in the water jacket 12.
Further, an annular flue gas treatment box 141 is arranged on the inner peripheral wall of the furnace cover 14, and the flue gas treatment box 141 is communicated with the hearth 11 and used for carrying out pollution-free treatment before discharging flue gas from the hearth 11. The furnace body 1000 is provided with a furnace cover 14, and the furnace cover 14 covers the upper part of the hearth 11. An annular flue gas treatment box 141 is arranged on the inner peripheral wall of the furnace cover 14, and the flue gas treatment box 141 is communicated with the hearth 11 and used for treating flue gas from the hearth 11. The upper part of the hearth 11 is provided with a bent pipe 15, an annular air emitting pipe 16 is arranged in the flue gas treatment box 141, and a plurality of air emitting holes are distributed on the air emitting pipe 16. The bending pipe 15 is a rectangular structure with an opening at one end corner, one end of the bending pipe 15 is connected to the outer side wall of the upper part of the hearth 11, the other end of the bending pipe is inserted into one side of the flue gas treatment box 141 and communicated with the gas emission pipe 16, the other side of the flue gas treatment box 141 is provided with a gas emission pipe 142, and the gas emission pipe 142 and the bending pipe 15 are respectively arranged at two opposite ends of the furnace cover 14 in the radial direction. The flue gas treatment tank 141 is filled with flue gas treatment liquid for treating the flue gas entering the flue gas treatment tank to remove harmful gas components therein, such as sulfides. The bent pipe 15 is used for precipitating the particles in the flue gas. The flue gas in the hearth 11 enters the flue gas treatment from the bent pipe 15, is treated by the flue gas treatment box 141 and then is discharged from the flue gas discharge pipe 142.
Referring to fig. 5, the green environmental-friendly agricultural and forestry wood waste incinerator 1001 further includes a control system, the control system includes a control device 6, an external power mechanism 10, a water temperature sensor 4, a first water pump 51, a second water pump 52 and a blower 53, the water temperature sensor 4 is electrically connected to the control device 6, and is configured to receive temperature information in the water jacket 12 detected by the water temperature sensor 4, and make a control command after the temperature information is judged. The first water pump 51, the second water pump 52, the blower 53 and the external power mechanism 10 are electrically connected to the control device 6, wherein the blower 53 is a variable frequency blower in this embodiment. The control device 6 controls the first water pump 51, the second water pump 52 to be turned on, and the amount of air blown by the blower 53, based on the temperature information transmitted from the water temperature sensor 4.
When the green environment-friendly agricultural and forestry wood waste incinerator 1001 in this embodiment is used, agricultural and forestry wood waste crushed into a predetermined size, specifically, a block shape, is conveyed to the feeding section 31 of the auger assembly 2000 through the feeding hopper 9, falls to the waste sliding plate 24 through the feeding section 31, slides out from the waste sliding plate 24 to the wood waste outlet 313 in the circumferential direction, and is ignited by the igniter 17. The wooden waste continuously falls down onto the spiral blade 202, the spiral blade 202 rotates, and the wooden waste is arranged on the spiral blade 202 in layers and incinerated step by step. The heat generated by burning in the furnace 11 is transferred to the water jacket 12 to heat the water in the water jacket 12. The water in the annular water chamber of the air supply section 2011 also absorbs heat from the furnace 11 and is heated to raise the temperature. Meanwhile, the blower continuously blows air into the air supply duct 200. The air firstly enters the inner cavity of the air supply cylinder 200, then is blown into the hearth 11 from all directions through the plurality of air pipes 23, and the air blown into the hearth 11 and the agricultural and forestry wood waste undergo a chemical reaction. In the air flow through each tuber pipe 23 in-process, the hot water in the annular water chamber evenly preheats the air to improve the reaction effect of combustion-supporting air and agriculture and forestry wooden waste, thereby strengthen the thoroughness that the fuel burned, on the other hand also can prevent to supply the high temperature of dryer 200. When the water temperature sensor 4 detects that the water temperature in the water jacket 12 reaches a first preset temperature, the control device 6 controls the second water pump 52 to start, hot water in the water jacket 12 enters the annular cavity of the feeder material barrel through the circulating water outlet 124 and the circulating water inlet 311, agricultural and forestry wood waste in the material barrel is preheated, and then flows back to the water jacket 12 from the circulating water outlet 312 and the circulating water return opening of the material barrel annular cavity to be continuously heated. When the water temperature sensor 4 detects that the temperature of the water in the water jacket 12 reaches a second preset temperature, the first water pump 51 is turned on to output the hot water in the water jacket 12 to the user side.
In the process of burning the wooden waste, the wooden fuel borne by each circle of the spiral blades 202 is continuously crushed and gradually leaked to be burned. The control device 6 controls the rotating speed of the external power mechanism 10 according to the water temperature signal collected by the water temperature sensor 4 so as to control the rotating speed of the air supply cylinder 200. When the water temperature sensor 4 detects that the water temperature in the water jacket 12 is higher, the control device 6 controls the air supply cylinder 200 to reduce the rotating speed or stop rotating; on the contrary, the control device 6 controls the air supply cylinder 200 to increase the rotating speed, thereby increasing the speed of replacing the wooden waste and increasing the heat generated by waste incineration.
The wooden waste material incinerator 1001 of green type agriculture and forestry in this embodiment burns step by step through laying the wooden waste material of agriculture and forestry on auger assembly 2000's helical blade 202 layering to preheat the air feed through the air feed cylinder 200 of locating 11 central authorities of furnace, make wooden waste material burn fully, it is efficient to burn, the heating system in rural area can be supplied with to the hot water that produces, thereby the realization is to the concentrated effective processing of the wooden waste material of agriculture and forestry and the high-efficient reuse of wastes material.
Example two:
as shown in fig. 6, unlike the first embodiment:
in the green environment-friendly agricultural and forestry wood waste incinerator 1001 in this embodiment, an annular dust collecting chamber 1200 is provided on the inner wall of the water jacket 12, specifically, the wall surface of the inner wall of the water jacket 12 facing the furnace 11, and in this embodiment, the outer wall of the dust collecting chamber 1200 and the inner wall of the water jacket 12 share a wall. A dust inlet is formed in the wall surface of the inner wall of the dust collection cavity 1200 facing the hearth 11, and smoke generated by incineration in the hearth 11 enters the dust collection cavity 1200 from the dust inlet to be collected under the action of micro-wind force blown by the wind pipe 23. Thereby preventing the smoke dust generated in the waste incineration process from being filled in the hearth 11 and blocking the combustion-supporting gas channel, and further improving the incineration and heat value recovery efficiency of the green environment-friendly agriculture and forestry wood waste incinerator 1001.
Example three:
as shown in fig. 7 to 8, the difference from the second embodiment is:
in the environment-friendly agricultural and forestry wood waste incinerator 1001 of this embodiment, the helical blade 202 of the auger assembly 2000 has a hollow cavity (not shown), and the hollow cavity penetrates through the entire helical blade 202 from top to bottom. The upper surface of each circle of the helical blades 202 is provided with a slag leakage hole 2022 for burning crushed aggregates or crushed slag with a certain particle size to leak downwards. The slag leakage hole 2022 extends from the wooden waste bearing surface to the hollow cavity, so that the slag leakage hole 2022 is communicated with the hollow cavity. The bottom end face of the helical blade 202 is provided with a slag outlet 2023 communicated with the hollow cavity, and the wood waste incineration slag carried on each circle of helical blade 202 leaks downwards to the bottom and is collected to the hollow cavity from the slag leakage hole 2022, and then is discharged to the slag leakage discharge 132 from the slag outlet 2023.
The wooden waste material incinerator 1001 of green type agriculture and forestry in this embodiment can realize the hourglass of waste material fuel sediment in time the efficient for combustion-supporting gas in the furnace 11 and heat stream circulation are better, more are favorable to improving incineration efficiency, and the stable evenly distributed of thermal field in the furnace 11.
In addition, as shown in fig. 9, the present application further provides a heating and hot water supply system, which includes the green and environment-friendly agriculture and forestry wood waste incinerator 1001, the heating pipeline 2001, the domestic water pipeline 3001 and the cultivation water pipeline 4001 of the first to third embodiments, the heating pipeline 2001, the domestic water pipeline 3001 and the cultivation water pipeline 4001 are respectively communicated with the water supply port 121 of the green and environment-friendly agriculture and forestry wood waste incinerator 1001, and hot water 1001 generated in the water jacket 12 of the green and environment-friendly agriculture and forestry wood waste incinerator respectively enters the heating pipeline 2001, the domestic water pipeline 3001 and the cultivation water pipeline 4001 through the water supply port.
The green environment-friendly agriculture and forestry wood waste incinerator 1001 is used for incinerating waste agriculture and forestry wood waste, hot water generated by incineration is used as a water system for heating, living and cultivation in rural areas, smoke generated by incineration is discharged after thorough effective treatment, on one hand, the agriculture and forestry wood waste is fully utilized to generate heat and effectively treat the heat, on the other hand, exploitation of resources such as coal can be reduced, and the green environment-friendly agriculture and forestry wood waste incinerator is green and environment-friendly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (8)
1. The utility model provides a wooden waste material of green type agriculture and forestry burns burning furnace which characterized in that includes:
the furnace body is internally provided with a hearth for burning the wooden waste, and the periphery of the hearth is sleeved with a water jacket for containing water to be heated to absorb heat from the hearth;
the furnace cover covers the upper part of the hearth;
the auger assembly is rotatably arranged in the hearth, the lower end of the auger assembly is rotatably supported on the furnace body, and the upper end of the auger assembly penetrates through and is exposed out of the furnace cover;
the auger assembly comprises an air supply cylinder and spiral blades, the spiral blades are wound on the peripheral wall of the air supply cylinder, the air supply cylinder is vertically arranged in the center of the hearth and used for providing combustion-supporting gas into the hearth, and the spiral blades are used for bearing the wood waste;
the air supply cylinder comprises a feeding section and an air supply section, the feeding section is arranged above the air supply section, a waste material sliding plate is arranged between the feeding section and the air supply section, the feeding section and the air supply section are separated by the waste material sliding plate,
a wooden waste outlet is formed in the peripheral wall of the feeding section, and the bottom of the wooden waste outlet and the waste sliding plate are correspondingly arranged in the height direction, so that the wooden material from the feeding section slides to the wooden waste outlet from the waste sliding plate and slides to the spiral blades;
the upper part of the feeding section is of a double-layer outer wall structure, the double-layer outer walls are sleeved with each other to form an annular cavity, a circulating water outlet is formed in the peripheral wall of the bottom of the annular cavity, a circulating water inlet is formed in the peripheral wall of the upper part of the annular cavity, hot water in the water jacket circularly enters the annular cavity to preheat agricultural and forestry wood waste in the feeding section so as to improve the combustibility of waste fuel, and then the waste fuel enters the hearth to be incinerated;
the air supply section comprises an inner cylinder, an outer cylinder and a plurality of air pipes, the outer cylinder is sleeved outside the inner cylinder, an annular water chamber is formed between the inner cylinder and the outer cylinder and used for containing water to absorb heat from the hearth, the air pipes are distributed on the outer cylinder,
each air pipe sequentially penetrates through the inner cylinder, the annular water chamber and the outer cylinder, and two ends of each air pipe are respectively fixed on the inner cylinder and the outer cylinder so as to communicate the inner cylinder and the hearth;
the wall surface of the inner wall of the water jacket facing the hearth is provided with an annular dust collection cavity, the outer wall of the dust collection cavity and the inner wall of the water jacket share one wall, the wall surface of the inner wall of the dust collection cavity facing the hearth is provided with a dust inlet, and smoke generated by incineration in the hearth enters the dust collection cavity from the dust inlet to be collected under the action of micro-wind force blown by the air pipe.
2. The incinerator of claim 1, wherein an igniter is disposed on a wall of the hearth toward the wood waste outlet for igniting the wood waste.
3. The incinerator of claim 1, wherein the bottom of the air supply duct is closed and has an air supply duct communicating with the inner cylinder, the air supply duct being configured to introduce an external combustion-supporting gas into the inner cylinder.
4. The environmentally friendly agricultural and forestry wood waste incinerator according to any one of claims 1 to 3, wherein the upper portion of the air supply section is provided with a feed hopper for feeding wood waste into the feed section.
5. The incinerator of claim 1, wherein a water temperature sensor is disposed on an outer wall of the incinerator body, and an inductive probe of the water temperature sensor is inserted into an upper portion of the water jacket for detecting a temperature of water in the water jacket.
6. The incinerator of claim 1, wherein an annular flue gas treatment box is disposed on the inner peripheral wall of the furnace cover, and the flue gas treatment box is communicated with the furnace chamber for pollution-free treatment of flue gas from the furnace chamber before discharge.
7. The incinerator of claim 1, wherein a slag discharge chamber is disposed at the bottom of the incinerator body for temporarily storing leaked fuel slag in the hearth.
8. A heating and water-supplying system comprising the agricultural and forestry wood waste incinerator according to any one of claims 1 to 7, and a heating pipe, a domestic water pipe and a cultivation water pipe, wherein the heating pipe, the domestic water pipe and the cultivation water pipe are respectively communicated with a water supply port of the green type agricultural and forestry wood waste incinerator, and hot water generated in a water jacket of the green type agricultural and forestry wood waste incinerator is respectively introduced into the heating pipe, the domestic water pipe and the cultivation water pipe through the water supply port.
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| CN201810257667.8A CN110160070B (en) | 2018-03-27 | 2018-03-27 | Green environment-friendly agriculture and forestry wood waste incinerator and heating and hot water supply system |
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| CN201810257667.8A CN110160070B (en) | 2018-03-27 | 2018-03-27 | Green environment-friendly agriculture and forestry wood waste incinerator and heating and hot water supply system |
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| CN110160070B true CN110160070B (en) | 2021-08-03 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001014502A1 (en) * | 1999-07-28 | 2001-03-01 | Valtion Teknillinen Tutkimuskeskus | Method and apparatus for gasifying carbon-containing fuel in a fixed layer gasifier |
| CN103982918A (en) * | 2014-05-26 | 2014-08-13 | 徐万友 | Heating gasifying furnace |
| CN107013923A (en) * | 2017-05-18 | 2017-08-04 | 昆明飚龙科技有限公司 | A kind of innoxious waste incinerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9732291B2 (en) * | 2015-05-19 | 2017-08-15 | Tesna Energy Co., Ltd. | Biomass gasification system |
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2018
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001014502A1 (en) * | 1999-07-28 | 2001-03-01 | Valtion Teknillinen Tutkimuskeskus | Method and apparatus for gasifying carbon-containing fuel in a fixed layer gasifier |
| CN103982918A (en) * | 2014-05-26 | 2014-08-13 | 徐万友 | Heating gasifying furnace |
| CN107013923A (en) * | 2017-05-18 | 2017-08-04 | 昆明飚龙科技有限公司 | A kind of innoxious waste incinerator |
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