CN109631048B - Biomass energy recovery method - Google Patents
Biomass energy recovery method Download PDFInfo
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- CN109631048B CN109631048B CN201811595752.1A CN201811595752A CN109631048B CN 109631048 B CN109631048 B CN 109631048B CN 201811595752 A CN201811595752 A CN 201811595752A CN 109631048 B CN109631048 B CN 109631048B
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- incinerator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/20—Waste heat recuperation using the heat in association with another installation
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The invention belongs to the technical field of energy and chemical engineering, and particularly relates to a biomass energy recovery method.A biomass recovery device used in the method comprises an incinerator, wherein a corrugated smoke exhaust pipe communicated with a smoke exhaust port is arranged on the smoke exhaust port; a spiral spring is arranged at the smoke exhaust pipe; two adjacent spring coils of the spiral spring are clamped on the smoke exhaust pipe; the upper end of the incinerator is provided with a servo motor, a sliding block and a driving shaft, and the wall of the upper end of the incinerator is provided with a sliding groove; the number of the sliding blocks is two, the sliding blocks are matched with the sliding grooves, and spiral protrusions are arranged on the sliding blocks; two sections of spiral grooves are formed in the driving shaft, the rotating directions of the two sections of spiral grooves are opposite, the servo motor rotates forwards and backwards to drive the sliding blocks to move in an opposite direction or in a deviating direction, so that a local spring coil of a spiral spring clamped on the smoke exhaust pipe is pressed and suddenly separated intermittently, and the spiral spring and the smoke exhaust pipe vibrate; two metal pipes are arranged in the incinerator; the biomass incinerator is simple in structure and high in heat energy recovery efficiency generated by biomass incineration.
Description
Technical Field
The invention belongs to the technical field of energy and chemical industry, and particularly relates to a biomass energy recovery method.
Background
The biomass can be directly or indirectly derived from the photosynthesis of green plants, is inexhaustible and is a renewable energy source. Nowadays, the biomass can be more and more regarded globally due to the problems of increasingly exhausted fossil fuel, serious environmental pollution, abnormal global climate change and the like. The way of efficiently utilizing biomass energy and biomass power generation technology are being vigorously studied in developed western countries. In China, biomass energy utilization modes and biomass gas power generation technologies are also in the stage of vigorous research, and great development space is provided. At present, the existing biomass power generation technology in China mainly adopts a direct combustion and gasification coupling technology, the direct combustion technology is to convey biomass into a boiler suitable for the biomass for combustion after certain pretreatment measures are carried out on the biomass, and the generated steam pushes a steam turbine to generate power. The gasification coupling technology is that biomass raw materials are firstly gasified in a gasification furnace to generate fuel gas, and then the fuel gas is sent into a boiler to be combusted together with coal powder to generate steam for power generation. However, the two technologies have long process flows, various equipment and high investment cost.
Some technical schemes for biomass power generation also appear in the prior art, for example, a chinese patent with application number 2018103556277 discloses an integrated biomass power generation device, which comprises a combustion furnace and an engine, wherein the combustion furnace comprises a combustion furnace shell, a hot air inlet and a biomass inlet are sequentially arranged at the lower part of the side surface of the combustion furnace shell, a smoke exhaust pipe is arranged at the top of the combustion furnace shell, an air preheating coil pipe with an air inlet is arranged outside the smoke exhaust pipe, the other end of the air preheating coil pipe is communicated with the hot air inlet, an ash leakage plate is arranged below the inner part of the combustion furnace shell, and an ash discharge port is arranged at the bottom of the combustion furnace shell; the engine comprises a heating pipe positioned inside a combustion furnace shell, the heating pipe is connected with a cylinder, an expansion piston and a contraction piston are arranged in the cylinder, the expansion piston and the contraction piston are connected with a generator, and a cooling water jacket is arranged on the right side wall of the cylinder.
This technical scheme, it is rational in infrastructure, can improve energy utilization efficiency. However, the heating pipe in this solution is prone to generate ash collection after long-term use, so that the recovery rate of heat released by combustion of the biomass is reduced, and this technical solution is limited.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a biomass energy recovery method, and aims to improve the biomass energy recovery rate.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a biomass energy recovery method, which comprises the following steps:
s1, putting the biomass into an incinerator in the biomass recovery device for combustion, and recovering energy in the biomass;
s2, connecting an air outlet pipe of the air source ozone generator to an air inlet of the biomass recovery device in the S1, and enabling the ozone generator to provide ozone into an incinerator of the biomass recovery device; the ozone can be automatically decomposed into oxygen in the incinerator to supply sufficient oxygen to the incinerator, so that the biomass is fully combusted, and the combustion efficiency of the biomass is improved;
s3, wrapping the metal pipe positioned outside the incinerator in the biomass recovery device of S2 with the incinerator so as to recover the energy generated during biomass incineration to the maximum extent;
s4, connecting the smoke exhaust pipe in the biomass recovery device of S3 with a heat exchanger and smoke treatment equipment in sequence, recovering waste heat in smoke exhausted by the smoke exhaust pipe by using the heat exchanger, and treating sulfide and soot in the smoke by using the smoke treatment equipment to prevent the smoke from being exhausted to pollute atmosphere;
the biomass recovery device in the steps S1 to S4 comprises an incinerator, wherein the upper end of the incinerator is provided with a smoke exhaust port, the lower part of the incinerator is provided with a combustion frame, and the side wall of the incinerator is provided with a delivery port for delivering biomass and a door for opening and closing the delivery port; the combustion frame is used for placing biomass, and an air inlet is formed in the bottom of the incinerator at the lower end of the combustion frame; the smoke outlet is provided with a corrugated smoke exhaust pipe communicated with the smoke outlet; a spiral spring is arranged at the smoke exhaust pipe; two adjacent spring coils of the spiral spring are clamped on the smoke exhaust pipe; the upper end of the incinerator is provided with a servo motor, a sliding block and a driving shaft, and the wall of the upper end of the incinerator is provided with a sliding groove; the number of the sliding blocks is two, the sliding blocks are matched with the sliding grooves, and spiral protrusions are arranged on the sliding blocks; the driving shaft is provided with two sections of spiral grooves, the rotating directions of the two sections of spiral grooves are opposite, one end of the driving shaft is connected with a rotating shaft of the servo motor, the driving shaft penetrates through the two sliding blocks, the two sliding blocks are respectively positioned at the two sections of spiral grooves of the spiral shaft, and spiral protrusions on the two sliding blocks are respectively matched with the corresponding spiral grooves on the driving shaft; two ends of the spiral spring respectively penetrate through the two sliding blocks, and the end part of the spiral spring is connected with the sliding blocks; the servo motor rotates forwards and backwards to drive the sliding blocks to move in an opposite direction or in a deviating manner, so that a local spring coil of the spiral spring clamped on the smoke exhaust pipe is pressed and suddenly separated intermittently, and the oscillation of the spiral spring and the smoke exhaust pipe is realized; two metal pipes are arranged in the incinerator, and the metal pipes penetrate through the side wall of the upper end of the incinerator and penetrate out of the side wall of the lower end of the incinerator; liquid to be heated is introduced into the metal pipe, and the liquid in the metal pipe is burnt and heated by biomass in the incinerator to realize biomass energy recovery. When the biomass incinerator is used, biomass is put into the incinerator from the feeding port for incineration, liquid to be heated is introduced into the metal pipe to recover heat generated during biomass incineration, air is fed through the air inlet at the bottom of the incinerator during biomass incineration, and smoke in the incinerator is discharged through the smoke discharge pipe; the driving shaft drives the two sliding blocks to alternately slide in the opposite direction or in the opposite direction on the sliding groove, the two sliding blocks push the spiral spring back and forth, two adjacent spring coils of the spiral spring push the corrugated smoke exhaust pipe, after the local spring coils of the spiral spring and the local pipe body of the smoke exhaust pipe are squeezed, the sliding blocks continue to squeeze the spiral spring, the spiral spring and the smoke exhaust pipe are broken away, the spiral spring and the smoke exhaust pipe vibrate, the smoke ash attached to the inner wall of the smoke exhaust pipe can be shaken off, smooth smoke exhaust of the smoke exhaust pipe is facilitated, airflow in the incinerator is smooth, the incinerator burns biomass more sufficiently, liquid in the metal pipe can absorb more heat energy, and the energy recovery rate of biomass incineration is improved.
The spring wire of the spiral spring is a flexible pipe, one end of the spiral spring is communicated with the upper end of one metal pipe through a hose, and the other end of the spiral spring is communicated with the upper end of the other metal pipe through a hose. During the use, make coil spring's spring silk be the compliance tube to make two tubular metals of coil spring intercommunication, thereby make and arouse the liquid vibration in self when coil spring vibrates, and coil spring and tubular metal resonator each other are for the intercommunication, thereby make the liquid in the tubular metal resonator be vibrated, can make the liquid in the tubular metal resonator by more even heating, improve the efficiency of the interior liquid absorption of tubular metal resonator intrinsic heat energy of burning furnace, improve biomass incineration's energy recovery rate.
The side wall of the incinerator is provided with an accommodating groove which is inclined downwards and is positioned at the part of the upper end of the metal pipe penetrating through the side wall of the incinerator; a lantern ring is arranged in the accommodating groove, and a rope hole is formed in the incinerator wall beside the accommodating groove; the lantern ring is sleeved on the metal pipe, the inner diameter of the lantern ring is larger than the outer diameter of the metal pipe, and a fire-resistant rope is fastened on the lantern ring; the other free end of the fire-resistant rope passes through the rope hole and falls outside the incinerator, and the fire-resistant rope is used for pulling up or loosening the lantern ring, so that the lantern ring slides down on the metal pipe by means of the gravity of the metal pipe to scrape off the ash on the metal pipe. During the use, after the living beings in the incinerator burnt, through relaxing the fire rope, make the lantern ring slide down along the tubular metal resonator under the effect of self gravity, the adnexed ash on the tubular metal resonator will be struck off to the in-process that the lantern ring slided down, when pulling up the lantern ring with fire rope, also enable the lantern ring and slide on the tubular metal resonator, thereby make the lantern ring at the in-process of going up the slide will strike off adnexed ash on the tubular metal resonator, make the interior liquid of tubular metal resonator change the heat energy in the absorption incinerator, thereby improve the interior liquid of tubular metal resonator and absorb the efficiency of the heat energy in the incinerator, improve the energy recovery rate that biomass was burned.
The inner diameter of the lantern ring is one point five to two times of the outer diameter of the metal pipe; the two metal pipes are bent into waves and are positioned on the same vertical plane, and the convex part of the wave bending of the metal pipe corresponds to the concave part of the wave bending of the other metal pipe positioned on the same plane; the collars on both of the metal tubes can be in contact when they meet. During the use, the internal diameter undersize of the lantern ring will make the lantern ring block easily at the crooked position of tubular metal resonator, the lantern ring internal diameter is too big will make the lantern ring not reach the effect of striking off tubular metal resonator surface ash, the crooked evagination department of wave of tubular metal resonator corresponds with the crooked interior concave department of another tubular metal resonator wave that is located the coplanar, can make the lantern ring on two tubular metal resonators can produce the collision easily, and the lantern ring can make self adhere to the ash when striking off the attached ash on the tubular metal resonator, and two lantern ring collision vibrations, make attached ash on the lantern ring shaken off, thereby can improve the lantern ring and continue to strike off the effect of attached ash on the tubular metal resonator.
The lantern ring is in a circular truncated cone shape; the accommodating groove is internally in a circular truncated cone shape matched with the shape of the lantern ring. During the use, the lantern ring is when gliding along the tubular metal resonator, the main aspects of the lantern ring is down, the tip is up, can make the lantern ring better when the whereabouts scrape adnexed ash on the tubular metal resonator, improve the lantern ring and scrape the effect of ash, when the lantern ring is pulled up by fire-resistant rope, the lantern ring continues to strike off adnexed ash on the tubular metal resonator, when the lantern ring is embedded into on the holding tank, adnexed ash will contact with the cell wall of holding tank on the lantern ring tip lateral wall, thereby make adnexed ash on the lantern ring tip lateral wall strike off, make the lantern ring keep neatly clean and tidy, be favorable to the lantern ring next better ash work of scraping.
The lantern ring is in a sectional type and comprises a ring segment, an elastic rod and an elastic air bag; the elastic air bag and the ring gap have the same shape, the middle part of the elastic air bag is provided with a rod hole for the elastic rod to pass through, the elastic air bag is provided with a plurality of air holes, and the elastic air bag and the elastic rod are made of fireproof elastic materials; the ring segment is made of metal materials, the ring segment and the elastic air bag are arranged at intervals, and the ring segment and the elastic air bag enclose a circle; the elastic rod is in an arc shape matched with the rod hole, and the elastic rod passes through the rod hole on the elastic air bag and then is tightly connected with the end parts of the two adjacent ring segments; the small end of the receiving groove is smaller than the small end of the collar. When the metal pipe ash scraping device is used, after the metal pipe is cooled, the fireproof rope is loosened, the lantern rings slide down along the metal pipe to scrape ash, when the two lantern rings collide with each other and the lantern rings slide to the position with large bending degree of the metal pipe, the lantern rings are either vibrated or extruded, so that the distance between adjacent ring segments on the lantern rings is changed to extrude the elastic air bag, the elastic air bag blows ash to the metal pipe and the ring segments on the periphery, and the ash adhered to the metal pipe and the ring segments is cleaned; simultaneously, through the fireproof rope pulling lantern ring for the lantern ring is when getting into the holding tank, and the lantern ring is compressed, and two adjacent rings lack will extrude elasticity gasbag, and on the one hand, the elasticity gasbag is lacked the lateral wall extrusion by the ring, and on the other hand the elastic rod can warp under the extrusion that the ring lacked, and the elastic rod of deformation will extrude the elasticity gasbag, and the elasticity gasbag is outwards blown under dual extrusion, blows off lantern ring self adnexed ash, makes the lantern ring have the ability from the clearance.
The invention has the following beneficial effects:
1. the ozone generator is used for providing ozone into the incinerator of the biomass recovery device, so that the ozone is decomposed into oxygen in the incinerator, sufficient oxygen is supplied to the incinerator, the biomass is fully combusted, and the combustion efficiency of the biomass is improved; by wrapping the metal pipe around the incinerator, the energy generated by biomass incineration can be recovered to the maximum extent.
2. According to the invention, two adjacent spring coils of the spiral spring extrude the corrugated smoke exhaust pipe, so that the spiral spring and the smoke exhaust pipe are separated, the spiral spring and the smoke exhaust pipe vibrate, soot attached to the inner wall of the smoke exhaust pipe is shaken off, smooth smoke exhaust of the smoke exhaust pipe is facilitated, biomass is more fully incinerated by the incinerator, liquid in the metal pipe can absorb more heat energy, and the energy recovery rate of biomass incineration is improved.
3. According to the biomass incineration furnace, the fire-resistant rope is loosened, so that the lantern ring slides downwards along the metal pipe under the action of self gravity, ash attached to the metal pipe is scraped in the process of sliding downwards of the lantern ring, liquid in the metal pipe can absorb heat energy in the incinerator more easily, the efficiency of absorbing the heat energy in the incinerator by the liquid in the metal pipe is improved, and the energy recovery rate of biomass incineration is improved.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic structural view of the straw recycling system of the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an axial cross-sectional view of the collar of the present invention;
FIG. 5 is a schematic view of a segmented collar construction of the present invention
In the figure: the incinerator 1, a smoke exhaust port 11, a combustion frame 12, a delivery port 13, an air inlet 14, a sliding chute 15, a containing groove 16, a smoke exhaust pipe 2, a spiral spring 21, a servo motor 22, a sliding block 23, a driving shaft 24, a metal pipe 3, a lantern ring 4, a ring segment 41, an elastic rod 42, an elastic air bag 43 and a fireproof rope 5.
Detailed Description
A biomass energy recovery method according to the present invention will be described below with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the biomass energy recovery method according to the present invention includes the following steps:
s1, putting the biomass into an incinerator in the biomass recovery device for combustion, and recovering energy in the biomass;
s2, connecting an air outlet pipe of the air source ozone generator to an air inlet of the biomass recovery device in the S1, and enabling the ozone generator to provide ozone into an incinerator of the biomass recovery device; the ozone can be automatically decomposed into oxygen in the incinerator to supply sufficient oxygen to the incinerator, so that the biomass is fully combusted, and the combustion efficiency of the biomass is improved;
s3, wrapping the metal pipe positioned outside the incinerator in the biomass recovery device of S2 with the incinerator so as to recover the energy generated during biomass incineration to the maximum extent;
s4, connecting the smoke exhaust pipe in the biomass recovery device of S3 with a heat exchanger and smoke treatment equipment in sequence, recovering waste heat in smoke exhausted by the smoke exhaust pipe by using the heat exchanger, and treating sulfide and soot in the smoke by using the smoke treatment equipment to prevent the smoke from being exhausted to pollute atmosphere;
the biomass recovery device in the steps S1 to S4 comprises an incinerator 1, wherein the upper end of the incinerator 1 is provided with a smoke exhaust port 11, the lower part of the incinerator 1 is provided with a combustion frame 12, and the side wall of the incinerator 1 is provided with a delivery port 13 for delivering biomass and a door for opening and closing the delivery port 13; the combustion rack 12 is used for placing biomass, and the bottom of the incinerator 1 at the lower end of the combustion rack 12 is provided with an air inlet 14; the smoke outlet 11 is provided with a corrugated smoke exhaust pipe 2 communicated with the smoke outlet 11; a spiral spring 21 is arranged at the smoke exhaust pipe 2; two adjacent spring coils of the spiral spring 21 are clamped on the smoke exhaust pipe 2; the upper end of the incinerator 1 is provided with a servo motor 22, a sliding block 23 and a driving shaft 24, and the upper end furnace wall of the incinerator 1 is provided with a sliding groove 15; the number of the sliding blocks 23 is two, the sliding blocks 23 are matched with the sliding grooves 15, and spiral protrusions are arranged on the sliding blocks 23; two sections of spiral grooves are formed in the driving shaft 24, the rotating directions of the two sections of spiral grooves are opposite, one end of the driving shaft 24 is connected with a rotating shaft of the servo motor 22, the driving shaft 24 penetrates through the two sliding blocks 23, the two sliding blocks 23 are respectively located at the two sections of spiral grooves of the spiral shaft, and spiral protrusions on the two sliding blocks 23 are respectively matched with the corresponding spiral grooves on the driving shaft 24; two ends of the spiral spring 21 respectively penetrate through the two sliding blocks 23, and the end part of the spiral spring 21 is connected with the sliding blocks 23; the servo motor 22 rotates positively and negatively to drive the sliding block 23 to move in opposite directions or in opposite directions, so that a local spring coil of the spiral spring 21 clamped on the smoke exhaust pipe 2 is pressed and suddenly separated intermittently, and the oscillation of the spiral spring 21 and the smoke exhaust pipe 2 is realized; two metal pipes 3 are arranged in the incinerator 1, and the metal pipes 3 penetrate through the side wall of the upper end of the incinerator 1 and penetrate out of the side wall of the lower end of the incinerator 1; liquid to be heated is introduced into the metal pipe 3, and the liquid in the metal pipe 3 is burnt and heated by biomass in the incinerator 1 to realize biomass energy recovery. When the biomass incinerator is used, biomass is put into the incinerator 1 from the feeding port 13 for incineration, liquid to be heated is introduced into the metal pipe 3 to recover heat generated during incineration of the biomass, air is fed through the air inlet 14 at the bottom of the incinerator 1 during incineration of the biomass, and smoke in the incinerator 1 is discharged through the smoke discharge pipe 2; the servo motor 22 is electrified, so that the servo motor 22 rotates to drive the driving shaft 24 to rotate positively and negatively, the driving shaft 24 drives the two sliding blocks 23 to slide on the sliding chute 15 in an opposite or opposite manner in an alternating manner, the two sliding blocks 23 extrude the spiral spring 21 back and forth, two adjacent coils of the spiral spring 21 extrude the corrugated smoke exhaust pipe 2, after the local coil of the spiral spring 21 and the local pipe body of the smoke exhaust pipe 2 are extruded, the sliding block 23 continues to extrude the spiral spring 21, so that the spiral spring 21 and the smoke exhaust pipe 2 are separated, thereby leading the spiral spring 21 and the smoke exhaust pipe 2 to generate vibration, shaking off the soot attached on the inner wall of the smoke exhaust pipe 2, being beneficial to smooth smoke exhaust of the smoke exhaust pipe 2, leading the air flow in the incinerator 1 to be smooth, leading the incinerator 1 to burn biomass more fully, the liquid in the metal pipe 3 can absorb more heat energy, thereby improving the energy recovery rate of biomass incineration.
The spring wire of the spiral spring 21 is a flexible pipe, one end of the spiral spring 21 is communicated with the upper end of one metal pipe 3 through a hose, and the other end of the spiral spring 21 is communicated with the upper end of the other metal pipe 3 through a hose. During the use, the spring wire that makes coil spring 21 is the flexible tube, and make two tubular metal resonator 3 of coil spring 21 intercommunication, thereby make and arouse the liquid vibration in self when coil spring 21 vibrates, and coil spring 21 and tubular metal resonator 3 each other are each other to communicate, thereby make the liquid in the tubular metal resonator 3 vibrate, can make the liquid in the tubular metal resonator 3 by more even heating, improve the efficiency of tubular metal resonator 3 interior liquid absorption incinerator 1 heat energy, improve biomass incineration's energy recovery rate.
The side wall of the incinerator 1 is provided with a downward inclined accommodating groove 16, and the accommodating groove 16 is positioned at the part of the upper end of the metal pipe 3 penetrating through the side wall of the incinerator 1; a lantern ring 4 is arranged in the accommodating groove 16, and a rope hole is formed in the furnace wall of the incinerator 1 beside the accommodating groove 16; the lantern ring 4 is sleeved on the metal pipe 3, the inner diameter of the lantern ring 4 is larger than the outer diameter of the metal pipe 3, and a fire-resistant rope 5 is fastened on the lantern ring 4; the other free end of the fire-resistant rope 5 passes through the rope hole and falls outside the incinerator 1, and the fire-resistant rope 5 is used for pulling up or loosening the lantern ring 4, so that the lantern ring 4 slides down on the metal pipe 3 by means of the gravity of the metal pipe to scrape off the ash on the metal pipe 3. During the use, burn the back at the living beings in burning furnace 1, through relaxing fire rope 5, make lantern ring 4 slide along tubular metal resonator 3 under the effect of self gravity, the adnexed ash on the tubular metal resonator 3 will be struck off to the in-process that lantern ring 4 slided, when drawing lantern ring 4 on with fire rope 5, also enable lantern ring 4 and slide on tubular metal resonator 3, thereby make lantern ring 4 will strike off adnexed ash on tubular metal resonator 3 at the in-process that goes up, make the interior liquid of tubular metal resonator 3 more easily absorb the heat energy in burning furnace 1, thereby improve the efficiency of the interior liquid absorption of tubular metal resonator 3 and burn 1 heat energy, improve the energy recovery rate that biomass burns.
The inner diameter of the lantern ring 4 is one point five to two times of the outer diameter of the metal pipe 3; the two metal pipes 3 are bent into a wave shape, the two metal pipes 3 are positioned on the same vertical plane, and the convex part of the wave-shaped bend of each metal pipe 3 corresponds to the concave part of the wave-shaped bend of the other metal pipe 3 positioned on the same plane; the collars 4 on both of the metal tubes 3 are able to touch when they meet. During the use, the internal diameter undersize of lantern ring 4 will make lantern ring 4 block easily at the crooked position of tubular metal resonator 3, 4 internal diameters of lantern ring are too big will make lantern ring 4 not reach the effect of scraping the grey of tubular metal resonator 3 surface, the crooked evagination department of wave of tubular metal resonator 3 corresponds with the 3 crooked interior departments of wave of another tubular metal resonator 3 that are located the coplanar, can make lantern ring 4 on two tubular metal resonators 3 can produce the collision easily, and lantern ring 4 can make self adhere to grey when scraping adnexed grey on tubular metal resonator 3, and two lantern ring 4 collision vibrations, make adnexed grey on the lantern ring 4 shaken off, thereby can improve lantern ring 4 and continue to scrape the effect of adnexed grey on the tubular metal resonator 3.
The lantern ring 4 is in a circular truncated cone shape; the accommodating groove 16 is in a circular truncated cone shape matched with the shape of the lantern ring 4. During the use, lantern ring 4 is when gliding along tubular metal resonator 3, the main aspects of lantern ring 4 are down, the tip is up, can make lantern ring 4 better when the whereabouts scrape adnexed ash on tubular metal resonator 3, improve the effect that the ash was scraped to lantern ring 4, when lantern ring 4 was pulled up by fire-resistant rope 5, lantern ring 4 continues to scrape adnexed ash on the tubular metal resonator 3, when lantern ring 4 was embedded into on holding tank 16, adnexed ash will contact with the cell wall of holding tank 16 on the lantern ring 4 tip lateral wall, thereby make adnexed ash on the lantern ring 4 tip lateral wall scraped, make lantern ring 4 keep clean and tidy, be favorable to lantern ring 4 next time better scraping ash work.
The lantern ring 4 is in a sectional type, and the lantern ring 4 comprises a ring notch 41, an elastic rod 42 and an elastic air bag 43; the elastic air bag 43 and the ring segment 41 have the same shape, the middle part of the elastic air bag 43 is provided with a rod hole for the elastic rod 42 to pass through, the elastic air bag 43 is provided with a plurality of air holes, and the elastic air bag 43 and the elastic rod 42 are made of fireproof elastic materials; the ring segment 41 is made of metal materials, the ring segment 41 and the elastic air bag 43 are arranged at intervals, and the ring segment 41 and the elastic air bag 43 enclose a circle; the elastic rod 42 is in an arc shape matched with the rod hole, and the elastic rod 42 passes through the rod hole on the elastic air bag 43 and is tightly connected with the end parts of the two adjacent ring segments 41; the small end of the receiving groove 16 is smaller than the small end of the collar 4. When the metal tube blowing device is used, after the metal tube 3 is cooled, the fireproof rope 5 is loosened, the lantern rings 4 slide down along the metal tube 3 to scrape ash, when the two lantern rings 4 collide with each other and the lantern rings 4 slide to the part of the metal tube 3 with large bending degree, the lantern rings 4 are vibrated or extruded, the distance between the adjacent ring segments 41 on the lantern rings 4 is changed to extrude the elastic air bag 43, the elastic air bag 43 blows ash to the metal tube 3 and the ring segments 41 on the periphery, and the ash attached to the metal tube 3 and the ring segments 41 is cleaned; simultaneously, through the fireproof rope pulling lantern ring 4, make lantern ring 4 when getting into holding tank 16, lantern ring 4 is compressed, two adjacent rings lack 41 will extrude elasticity gasbag 43, on the one hand, elasticity gasbag 43 is lacked 41 lateral wall extrusion by the ring, on the other hand elasticity pole 42 can warp under the extrusion that the ring lacks 41, the elasticity pole 42 of deformation will extrude elasticity gasbag 43, elasticity gasbag 43 blows outside under dual extrusion, blow off lantern ring 4 self adnexed ash, make lantern ring 4 have the ability from the clearance.
The specific use flow is as follows:
when the biomass incinerator is used, biomass is put into the incinerator 1 from the feeding port 13 for incineration, liquid to be heated is introduced into the metal pipe 3 to recover heat generated during incineration of the biomass, air is fed through the air inlet 14 at the bottom of the incinerator 1 during incineration of the biomass, and smoke in the incinerator 1 is discharged through the smoke discharge pipe 2; the servo motor 22 is electrified to rotate the servo motor 22 to drive the driving shaft 24 to rotate positively and negatively, the driving shaft 24 drives the two sliding blocks 23 to slide in the sliding groove 15 in an opposite or opposite manner in an alternating manner, the two sliding blocks 23 push the spiral spring 21 back and forth to enable two adjacent coils of the spiral spring 21 to push the corrugated smoke exhaust pipe 2, after the local coil of the spiral spring 21 and the local pipe body of the smoke exhaust pipe 2 are pushed, the sliding blocks 23 continue to push the spiral spring 21, so that the spiral spring 21 and the smoke exhaust pipe 2 are separated, the separated spiral spring 21 continues to vibrate when the sliding blocks 23 return, the spiral spring 21 and the smoke exhaust pipe 2 vibrate, soot attached to the inner wall of the smoke exhaust pipe 2 can be shaken off, smooth smoke exhaust of the smoke exhaust pipe 2 is facilitated, air flow in the incinerator 1 is smooth, biomass is burnt in the incinerator 1 more sufficiently, and liquid in the metal pipe 3 can absorb more heat energy, thereby improving the energy recovery rate of biomass incineration; the spring wire of the spiral spring 21 is a flexible pipe, the spiral spring 21 is communicated with the two metal pipes 3, so that liquid in the spiral spring 21 vibrates and simultaneously vibrates, the spiral spring 21 is communicated with the metal pipes 3, the liquid in the metal pipes 3 is vibrated, and the liquid in the metal pipes 3 can be heated more uniformly; after the burning of living beings in burning furnace 1, through relaxing fire rope 5, make lantern ring 4 glide along tubular metal resonator 3 under the effect of self gravity, the in-process that lantern ring 4 glides will strike off adnexed ash on tubular metal resonator 3, when drawing lantern ring 4 on with fire rope 5, also enable lantern ring 4 and slide on tubular metal resonator 3, thereby make lantern ring 4 will strike off adnexed ash on tubular metal resonator 3 at the in-process that goes up, make the interior liquid of tubular metal resonator 3 change the heat energy that absorbs in burning furnace 1, thereby improve the efficiency of the interior liquid absorption of tubular metal resonator 3 and burn thermal energy in burning furnace 1, improve the energy recovery rate that the living beings burned.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
Claims (5)
1. A biomass energy recovery method is characterized in that: the method comprises the following steps:
s1, putting the biomass into an incinerator in the biomass recovery device for combustion, and recovering energy in the biomass;
s2, connecting an air outlet pipe of the air source ozone generator to an air inlet of the biomass recovery device in the S1, and enabling the ozone generator to provide ozone into an incinerator of the biomass recovery device;
s3, wrapping the metal pipe positioned outside the incinerator in the biomass recovery device of S2 with the incinerator so as to recover the energy generated during biomass incineration to the maximum extent;
s4, connecting the smoke exhaust pipe in the biomass recovery device of S3 with a heat exchanger and smoke treatment equipment in sequence, recovering waste heat in smoke exhausted by the smoke exhaust pipe by using the heat exchanger, and treating sulfide and soot in the smoke by using the smoke treatment equipment;
the biomass recovery device in the S1-S4 comprises an incinerator (1), wherein a smoke exhaust port (11) is formed in the upper end of the incinerator (1), a combustion frame (12) is arranged on the lower portion of the incinerator (1), and a delivery port (13) for delivering biomass and a door for opening and closing the delivery port (13) are formed in the side wall of the incinerator (1); the combustion rack (12) is used for placing biomass, and an air inlet (14) is formed in the bottom of the incinerator (1) at the lower end of the combustion rack (12); the smoke outlet (11) is provided with a corrugated smoke exhaust pipe (2) communicated with the smoke outlet (11); a spiral spring (21) is arranged at the smoke exhaust pipe (2); two adjacent spring coils of the spiral spring (21) are clamped on the smoke exhaust pipe (2); the upper end of the incinerator (1) is provided with a servo motor (22), a sliding block (23) and a driving shaft (24), and the upper end furnace wall of the incinerator (1) is provided with a sliding groove (15); the number of the sliding blocks (23) is two, the sliding blocks (23) are matched with the sliding grooves (15), and spiral protrusions are arranged on the sliding blocks (23); two sections of spiral grooves are formed in the driving shaft (24), the rotating directions of the two sections of spiral grooves are opposite, one end of the driving shaft (24) is connected with a rotating shaft of the servo motor (22), the driving shaft (24) penetrates through the two sliding blocks (23), the two sliding blocks (23) are respectively located at the two sections of spiral grooves of the spiral shaft, and spiral protrusions on the two sliding blocks (23) are respectively matched with the corresponding spiral grooves on the driving shaft (24); two ends of the spiral spring (21) respectively penetrate through the two sliding blocks (23), and the end part of the spiral spring (21) is connected with the sliding blocks (23); the servo motor (22) rotates positively and negatively to drive the sliding block (23) to move in the opposite direction or in the opposite direction, so that a local spring coil of the spiral spring (21) clamped on the smoke exhaust pipe (2) is pressed and intermittently and suddenly broken away, and the oscillation of the spiral spring (21) and the smoke exhaust pipe (2) is realized; two metal pipes (3) are arranged in the incinerator (1), and the metal pipes (3) penetrate through the side wall of the upper end of the incinerator (1) and penetrate out of the side wall of the lower end of the incinerator (1); liquid to be heated is introduced into the metal pipe (3), and the liquid in the metal pipe (3) is burnt and heated by biomass in the incinerator (1) to realize biomass energy recovery;
the spring wire of the spiral spring (21) is a flexible pipe, one end of the spiral spring (21) is communicated with the upper end of one metal pipe (3) through a hose, and the other end of the spiral spring (21) is communicated with the upper end of the other metal pipe (3) through a hose.
2. The biomass energy recovery method according to claim 1, wherein: an inclined downward accommodating groove (16) is formed in the side wall of the incinerator (1), and the accommodating groove (16) is located at a position where the upper end of the metal pipe (3) penetrates through the side wall of the incinerator (1); a lantern ring (4) is arranged in the accommodating groove (16), and a rope hole is formed in the furnace wall of the incinerator (1) beside the accommodating groove (16); the lantern ring (4) is sleeved on the metal pipe (3), the inner diameter of the lantern ring (4) is larger than the outer diameter of the metal pipe (3), and the fireproof rope (5) is fastened on the lantern ring (4); the other free end of the fire-resistant rope (5) passes through the rope hole and falls outside the incinerator (1), and the fire-resistant rope (5) is used for pulling up or loosening the lantern ring (4) so that the lantern ring (4) slides down on the metal pipe (3) by means of the gravity of the metal pipe to scrape off ash on the metal pipe (3).
3. The biomass energy recovery method according to claim 2, wherein: the inner diameter of the lantern ring (4) is one point five to two times of the outer diameter of the metal pipe (3); the two metal pipes (3) are bent into waves, the two metal pipes (3) are positioned on the same vertical plane, and the outward convex parts of the wavy bends of the metal pipes (3) correspond to the inward concave parts of the wavy bends of the other metal pipe (3) positioned on the same plane; the collars (4) on both of the metal tubes (3) are able to touch when they meet.
4. A biomass energy recovery method according to claim 3, characterized in that: the lantern ring (4) is in a circular truncated cone shape; the accommodating groove (16) is internally in a circular truncated cone shape matched with the shape of the lantern ring (4).
5. The biomass energy recovery method according to claim 4, wherein: the lantern ring (4) is in a sectional type, and the lantern ring (4) comprises a ring segment (41), an elastic rod (42) and an elastic air bag (43); the elastic air bag (43) has the same shape as the ring segment (41), and the middle part of the elastic air bag (43) is provided with a rod hole for the elastic rod (42) to pass through; a plurality of air holes are arranged on the elastic air bag (43), and the elastic air bag (43) and the elastic rod (42) are made of fireproof elastic materials; the ring segment (41) is made of metal materials, the ring segment (41) and the elastic air bag (43) are arranged at intervals, and the ring segment (41) and the elastic air bag (43) enclose a circle; the elastic rod (42) is in an arc shape matched with the rod hole, and the elastic rod (42) passes through the rod hole on the elastic air bag (43) and then is tightly connected with the end parts of the two adjacent ring segments (41); the small end of the accommodating groove (16) is smaller than the small end of the collar (4).
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| WO2003093726A1 (en) * | 2002-04-30 | 2003-11-13 | Maosen Lin | High efficiency and high temperature cracking system with heat storage for sewage and organic garbage |
| CN101134899B (en) * | 2006-08-28 | 2010-10-06 | 李延韬 | Biomass energy converter |
| ITMI20130919A1 (en) * | 2013-06-05 | 2014-12-06 | Greentek Di Salomoni Marco & C S N C | PLANT FOR ENERGY PRODUCTION STARTING FROM BIOMASSES |
| CN205606565U (en) * | 2016-05-06 | 2016-09-28 | 江苏海事职业技术学院 | Waste incinerator with heat recovery unit |
| CN208222522U (en) * | 2018-03-03 | 2018-12-11 | 云南猎奇环保科技有限公司 | A kind of garbage combustion device with heat recovery |
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Effective date of registration: 20191125 Address after: 354100 ten Li County, Nanping City, Fujian Province Applicant after: Fujian province Kai Sheng biomass power Co., Ltd. Address before: 330045 Jiangxi city of Nanchang Province Economic and Technological Development Zone Avenue Jiangxi Agricultural University Zhimin Applicant before: Zhang Zhenyang |
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