WO2013149478A1 - Incinérateur d'ordures mécanique hydraulique à étages multiples - Google Patents

Incinérateur d'ordures mécanique hydraulique à étages multiples Download PDF

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Publication number
WO2013149478A1
WO2013149478A1 PCT/CN2012/086308 CN2012086308W WO2013149478A1 WO 2013149478 A1 WO2013149478 A1 WO 2013149478A1 CN 2012086308 W CN2012086308 W CN 2012086308W WO 2013149478 A1 WO2013149478 A1 WO 2013149478A1
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WO
WIPO (PCT)
Prior art keywords
grate
row
piece
waste incinerator
incinerator according
Prior art date
Application number
PCT/CN2012/086308
Other languages
English (en)
Chinese (zh)
Inventor
陈涛
韩乃卿
朱福刚
张洪波
温俊明
张宾
邵哲如
Original Assignee
光大环保科技发展（北京）有限公司
光大环保设备制造（常州）有限公司
光大环保（中国）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 光大环保科技发展（北京）有限公司, 光大环保设备制造（常州）有限公司, 光大环保（中国）有限公司 filed Critical 光大环保科技发展（北京）有限公司
Priority to IN2160MUN2014 priority Critical patent/IN2014MN02160A/en
Priority to BR112014024482-0A priority patent/BR112014024482B1/pt
Publication of WO2013149478A1 publication Critical patent/WO2013149478A1/fr

Links

Classifications

    • 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
    • F23G5/002—Incineration of waste; Incinerator constructions; Details, accessories or control therefor characterised by their grates
    • 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
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • F23G5/05—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying using drying grates
    • 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
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • 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
    • F23G5/50—Control or safety arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H17/00—Details of grates
    • F23H17/08—Bearers; Frames; Spacers; Supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H17/00—Details of grates
    • F23H17/12—Fire-bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H3/00—Grates with hollow bars
    • F23H3/02—Grates with hollow bars internally cooled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H7/00—Inclined or stepped grates
    • F23H7/06—Inclined or stepped grates with movable bars disposed parallel to direction of fuel feeding
    • F23H7/08—Inclined or stepped grates with movable bars disposed parallel to direction of fuel feeding reciprocating along their axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/10—Waste feed arrangements using ram or pusher
    • F23G2205/101—Waste feed arrangements using ram or pusher sequentially operated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/30—Oxidant supply

Definitions

  • the present invention relates to incineration of waste such as garbage, and more particularly to a multi-stage hydraulic mechanical waste incinerator. Background technique
  • Waste incineration is one of the main ways to achieve waste reduction, harmless and resource treatment. At present, waste incineration has gradually become the main way to treat municipal solid waste. After modern incineration, the waste can be reduced by 80°/»-90°/», and various pathogens can be eliminated to convert harmful substances into harmless substances. , can also achieve the use of resources.
  • the existing garbage incineration uses a mechanical waste incinerator having an incinerator, and the grate mainly comprises: a reciprocating grate, a reverse reciprocating grate, a drum grate, and the like.
  • the waste incinerator shown in Figure 1 is a waste incinerator that uses a reciprocating grate.
  • the garbage incinerator comprises a feed port 1, a feed grate 2, a grate 3 for waste incineration located in the grate, and a primary air supply system 4 located in the lower part of the incinerator.
  • the incinerator grate integrally constitutes a hearth for incinerating garbage, and the grate is divided into a drying section, a burning section and a burning section in the longitudinal direction, and the incinerator grate is divided into three incineration units as a whole in the longitudinal direction, and each incineration unit is composed of a plurality of incineration units.
  • the sliding grate piece, the rotating grate piece and the fixed grate piece are composed.
  • the garbage is poured into the garbage incinerator from the feed port, and the garbage is incinerated into the hearth of the incinerator by the reciprocating push of the feed grate, and the garbage is dried and dehydrated in the drying section.
  • the garbage is mainly burned in the combustion section, and the garbage passing through the burnout section has been burned out, and then the remaining slag enters the slag discharge port and is discharged from the slag discharge port.
  • the primary air is sent from a plenum at the bottom of the incinerator for burning the waste, and the secondary air is fed from the throat of the waste incinerator for use in the post-combustion flue gas
  • the combustible gas in the burnout.
  • the ratio of the amount of heat released by the combustible material burned in the waste to the heat of the combustible material in the original waste, that is, the burnout rate of the waste is a very important parameter in the waste incineration process.
  • the above-mentioned grate is arranged in a longitudinal direction as a whole, it is composed of four rows of grate units juxtaposed in the width direction, and the grate is driven in four stages in a lateral direction, and each unit is controlled by a group of oil cylinders, which is caused in the above grate
  • the middle part has space for the hydraulic drive, and the grate itself is compact. The space in the middle is small, which causes the heat generated in the furnace to accumulate and the temperature rises. According to the operating experience, basically the temperature is above, and the oil pipe of the existing incinerator hydraulic drive unit is used more.
  • the present invention provides a multi-stage hydraulic mechanical waste incinerator to improve the deficiencies of existing garbage incinerators and improve the burn-up rate of waste incineration.
  • the present invention provides a multi-stage hydraulic mechanical waste incinerator comprising a feed port, a feed grate, an incinerator grate, a primary air supply system and a secondary air supply system, the incinerator row being divided into five longitudinally Units, wherein the first to fourth units are standard units, and the fifth unit is a terminal extension unit, each of the units is composed of a plurality of sliding grate pieces, a rotating grate piece, and a fixed grate piece, and the five units are
  • the incinerator grate is divided into a drying section, a burning section and
  • the exhausting section of the fuel-burning section is characterized in that the upper surface surface mask of the tailstock tail portion of the feeding material feeding trolley for the feeding furnace furnace row is useful for The limited-limit feeding mechanism of the feeding material feeding vehicle is moved upwards and upwards to support the supporting device. .
  • the limit position support support device includes a support support bracket fixed on the feeding material trolley, and rolling a top wheel and a rolling scroll wheel axle, the top portion of the support support bracket has a concave groove groove, and the rolling wheel of the rolling wheel is fixed by a roller rolling wheel axle Yu Yu
  • the rolling scroll wheel is rotatable from the free roll in the groove groove. .
  • the height limit of the limit position support supporting device is lower than the cover plate support support on the upper side of the feeding material trolley Cross beam beam. . Further, the number of the limit position support supporting devices is one or more than one. .
  • the width of the feed to the furnace is different from that of the described incineration furnace. .
  • the said incinerator furnace row is arranged in each row of rows of furnaces, and the sheets are driven by a single axis along the transverse direction, and Horizontal and horizontal
  • the steel frame carrier includes the brackets located on the two sides of the row of the incineration burners for fixing the fixed support and driving. Further of the shaft, at least one intermediate support is disposed below the incinerator row between the supports on both sides of the incinerator.
  • the standard unit is a 5-row grate piece structure or a 6-row grate piece structure.
  • the 5-row furnace row structure is composed of two rows of sliding grate pieces, two rows of fixed grate pieces and one row of rotating grate pieces, and the specific arrangement order is sliding grate piece, turning grate piece, fixed grate piece, sliding grate piece , fixing the grate piece or sliding grate piece, fixing the grate piece, sliding grate piece, turning the grate piece, fixing the grate piece.
  • the 6-row grate structure consists of two rows of sliding grate pieces, two rows of turning grate pieces and two rows of fixed grate pieces, the specific order of which is sliding grate piece, turning grate piece, fixed grate piece, sliding furnace Rowing, turning the grate and fixing the grate.
  • the end lengthening unit is composed of four rows of sliding grate pieces, one row of turning grate pieces and three rows of fixed grate pieces.
  • the grate plate, the fixed grate piece and the tumbling grate piece are each provided with a ash stop plate. Further, the fixed grate piece and the sliding grate piece are each provided with an elastic wear-resistant squeegee.
  • the tumbling furnace row is composed of upper and lower combined kiln sheets, and the upper and lower combined kiln sheets include an upper cover plate and a grate piece main body supporting the upper cover plate.
  • the grate piece main body includes a rotating end and a supporting end, wherein the grate piece main The support end of the body is provided with a pin hole, and the rotating end of the body of the grate piece is provided;
  • the upper cover includes a rotating end and: wherein: a palm end of the upper cover is provided with a pin slot corresponding to the pin hole, and a rotating end of the upper cover is provided Description: The corresponding ferrule.
  • pin slot and the pin hole are connected by a pin for fixing the support end of the set of the row.
  • the ferrule and the elbow are engaged with each other for fixing the rotation of the combined grate piece
  • the ferrule is a hook formed by bending a tail end of the rotating end of the upper cover.
  • the hook is in the shape of "]".
  • the elbow is a convex member disposed at a rotating end of the main body of the grate piece, and the lower end of the protruding member is provided with a groove
  • the grate piece is provided with ribs on the inner side of the upper and upper cover plates. 7 Further, the grate piece is provided with a stop.
  • the flip roller has a lower support member for supporting the flip wheel.
  • the support member is a support roller.
  • the support roller uses a high temperature resistant roller bearing.
  • the turning roller is constituted by a part of a rotating large shaft.
  • the rotating large shaft is used to support and drive the rotating furnace row.
  • cooling chambers on both sides of the grate.
  • thermocouple for temperature measurement is provided on the fixed grate sheet.
  • thermocouple is arranged separately from the grate; for the first unit to the fourth unit and the row adjacent to the tumbler
  • the grate plate is fixed, and a thermocouple is placed every 4 grate pieces from the third grate piece on the left side.
  • the invention solves the technical problems existing in the above-mentioned grate waste incinerator, and provides an incinerator furnace furnace which is more suitable for the characteristics of domestic garbage in China, and enables the waste incineration power plant using the grate furnace to operate efficiently and stably.
  • the invention has the following advantages:
  • the grate is divided into five units along the longitudinal direction (the direction of the domestic garbage in the incinerator), it provides enough space and time for the drying, burning and burning of the garbage, which can significantly improve the waste.
  • the burning condition of the garbage increasing the burnout rate of the garbage; each row of the furnace row is driven by a shaft in the lateral direction and at least three points of support at the two sides and the intermediate position can control the potential oil leakage point of the hydraulic system and the drive shaft and the grate Deformation, so that the operation is more stable and reliable, while improving the combustion effect; the hydraulic oil pipeline driving the grate plate uses the welding oil pipeline.
  • This design can avoid the aging of the incinerator exhaust cylinder seal due to excessive temperature, and frequent oil leakage.
  • the possibility of fire is caused by the fact that the grate as a whole has a modular structure, and the installation speed is fast and the precision is high.
  • the feeding furnace row Due to the reasonable gap between the limiting support wheel and the cover plate, the feeding furnace row is in the forward process, and the upward displacement is limited by the roller to a small range, which effectively ensures the design of the feeding furnace row.
  • the running track runs smoothly, and there is no phenomenon of offset and jamming, which effectively solves the problem that the feeding trolley often derails.
  • the width of the feed grate and the incinerator grate are the same, so that the incinerator row is distributed more evenly and the combustion is more uniform.
  • the flipper row is divided into two parts (upper cover and flipper support), in actual use, even if the upper cover is worn out, the upper cover can be directly replaced without replacing the flipper support. It avoids the defects in the prior art that the entire grate piece needs to be replaced, saves cost, reduces material loss, and reduces running cost; since the turning roller is supported by two or more supporting members, the entire supporting roller intermediate support is The point becomes more than two points, effectively decomposing the force of the supporting wheel, ensuring that the bearing in the supporting wheel will not be damaged during long-term operation, and effectively limiting the deflection of the rotating large shaft and prolonging the service life of the rotating large shaft. .
  • the roller rim uses a high temperature resistant roller bearing, that is, it satisfies the high temperature environment in the incinerator and satisfies the high load operation of the incinerator, and the bearing has the function of automatic centering and aligning, which is very suitable for the incinerator.
  • the working condition since the sliding grate piece, the fixed grate piece and the flipping furnace row piece are provided with the ash blocking plate, the ash leakage of the grate can be reduced as much as possible; due to the provision of the elastic wear-resistant blade, the two rows are adjacent There is almost no friction between the sheets, which improves the service life; the grate assembly has a modular structure, high installation precision, fast installation speed and lower cost.
  • 1 is a structural view of a waste incinerator in the prior art
  • 2 is a schematic view showing the overall structure of a garbage incinerator row of the present invention
  • FIG. 3 is a schematic structural view of a first unit of a garbage incinerator according to the present invention.
  • Figure 4 is a schematic view showing the end of the waste incinerator grate at the end of the present invention.
  • Figure 5 is a schematic view showing the overall lateral support structure of the garbage incinerator row of the present invention.
  • Figure 6 is a schematic view of the feed grate of the present invention.
  • Figure 7 is a schematic view of a sliding grate of the present invention.
  • Figure 8 is a schematic view of the fixed grate sheet of the present invention.
  • Figure 9 is a schematic view showing the overall structure of the upper and lower combined type tumbling furnace sheets of the present invention.
  • Figure 10 is a schematic view showing the assembly of the upper and lower combined type tumbling furnace sheets of the present invention.
  • Figure 1 is a schematic view of a flip roller supported by a double roller support of the present invention
  • Figure 12 is a schematic view showing the arrangement of the grate thermocouple of the present invention.
  • FIG. 13 is a schematic view showing the arrangement of the thermocouples on the fixed grate sheet of the present invention. detailed description
  • ⁇ RTI ID 0.0> ⁇ / RTI> ⁇ / RTI> ⁇ RTIgt; ⁇ / RTI> ⁇ RTIgt; Or a plurality of other features, integers, steps, operations, components, components, and/or combinations thereof.
  • the invention provides a novel multi-stage hydraulic mechanical waste incinerator structure, the waste incinerator comprising a feed inlet, a feed grate, an incinerator grate, a primary air supply system and a secondary air supply system.
  • the incinerator row is divided into five units 2, 3, 4, 5, 6, in the longitudinal direction, wherein the first to fourth units are standard units, and the fifth unit 6 is a terminal extension unit.
  • the standard unit is a 5-row grate piece structure or a 6-row grate piece structure.
  • the 5-row grate piece structure is composed of two rows of sliding grate pieces, two rows of fixed grate pieces and one row of turning grate pieces, and the specific arrangement order is a sliding grate piece, Turning the furnace row, fixing the grate piece, sliding grate piece, fixing the grate piece or sliding grate piece, fixing the grate piece, sliding grate piece, turning the grate piece, fixing the grate piece.
  • the 6-row furnace row structure comprises two rows of sliding grate pieces, two rows of turning grate pieces and two rows of fixed grate pieces, and the specific arrangement order is sliding grate piece, turning furnace row piece, fixed grate piece piece, sliding grate piece piece, turning furnace Row and fixed grate pieces. As shown in FIG.
  • the standard unit is composed of two rows of sliding grate pieces, two rows of turning grate pieces and two rows of fixed grate pieces, wherein reference numeral 1 is a feeding grate interface fixing grate piece, and 1 is an interface fixing grate.
  • the squeegee, 3 is a side wall, 4 is a fixed grate piece, 5 is a sliding grate piece, 6 is a tumbling grate piece, 7 is a squeegee, and 8 is a grate support.
  • the sliding grate piece is configured to longitudinally move the garbage, and the chopping furnace row piece is used for flipping garbage in a vertical direction to fully burn the garbage, wherein the grate pieces in each unit may have a plurality of arrangement manners, Commonly, the arrangement of the sliding grate piece, the turning grate piece, the fixed grate piece, the sliding grate piece, the turning grate piece, and the fixed grate piece are arranged. As shown in FIG. 4, the end lengthening unit is composed of four rows of sliding grate pieces 1, one row of turning grate pieces 2 and three rows of fixed grate pieces 3.
  • the specific arrangement sequence is a sliding grate piece, a rotating grate piece, a fixed grate piece, a sliding grate piece, a fixed grate piece, a sliding grate piece, a fixed grate piece, and a sliding grate piece. Due to the lengthening of the end garbage grate, the residence time of the garbage in the incinerator is prolonged, thereby increasing the burnout rate of domestic garbage.
  • the five units divide the entire incinerator row into a drying section, a burning section and a burning section in the longitudinal direction.
  • the overall lateral support structure of the grate of the present invention is as shown in FIG. 5.
  • Each row of grate rows of the grate 4 is driven laterally by a shaft, which is supported by the steel frame 5 in at least three positions in the lateral direction.
  • the steel frame includes support members on both sides of the incinerator row for fixedly supporting the drive shaft, and an intermediate support member disposed below the incinerator row between the two side support members.
  • the increased steel frame support structure in the middle can effectively reduce the deflection of the grate drive shaft, control the deformation of the drive shaft and the grate, and extend the service life of the grate.
  • the horizontal displacement of the grate is driven by a shaft, which can control the potential oil leakage point of the hydraulic system and make the temperature distribution of the grate sheet more uniform, so that the operation is more stable and reliable while improving the combustion effect.
  • the tubing of the hydraulic drive unit that drives the grate plate is welded with a stainless steel bushing. Since the tubing of the hydraulic drive unit is welded with a stainless steel bushing, the potential leak point is reduced, the operation is more stable, and the reliability is higher.
  • the feed grate 4 of the present invention is hydraulically driven, and the width of the feed grate 4 and the incinerator grate are the same, so that the domestic garbage is more evenly distributed in the lateral direction of the grate, and the combustion is improved. effect.
  • the upper surface of the tail portion of the feed cart 3 of the feed grate 4 has a limit support device for restricting the upward movement of the feed cart 3.
  • the limit support device 2 is installed on the upper side of the tail of the feeding trolley, and the limit support device is installed A reasonable gap is left between the cover and the cover plate, so that the upward displacement of the trolley is limited to a small range during the advancement process, which effectively ensures that the trolley runs smoothly according to the designed running track without offset and jamming.
  • the phenomenon effectively solves the problem of frequent derailment of the feeding trolley.
  • the limiting support device 2 comprises a support frame fixed on the feeding cart 3, a rolling wheel and a rolling wheel axle, and the top end of the supporting frame is provided with a groove for surrounding the rolling wheel, the rolling The axle is plugged in the groove, and the groove is larger than the rolling wheel, and the rolling wheel can freely roll in the groove under the action of the rolling wheel axle, so that not only the feeding trolley 3 can be defined
  • the number of the limiting support devices 2 may be one or more, uniformly and symmetrically distributed at the tail of the feeding trolley 3, and the limiting support device 2 can not only prevent the car from being stuck, but also can effectively control the feeding.
  • the carriage 3 moves in the left and right direction to prevent the trolley from getting out of the track.
  • the incinerator grate includes a sliding grate, a fixed grate, and a flipper. Considering the thermal expansion of the grate sheets during operation, a certain gap is left between the grate sheets and between the grate sheets and the side walls of the equipment during installation. In order to reduce the leakage of garbage from this gap, and to make the primary air entering from the lower part of the grate evenly distributed inside the grate equipment, as shown in Figures 1, 8, 9, and 10, stainless steel is also welded inside the grate piece. Gray ash board.
  • the fixed grate piece and the sliding grate piece are each provided with an elastic wear-resistant squeegee, which can reduce the friction between the two rows of slabs, thereby improving the service life of the grate piece.
  • a cooling chamber is also provided on both sides of the grate. The cooling air is used to keep the external temperature of the equipment from being too high, and it also acts to protect the refractory material inside the side wall grate.
  • the turning grate is composed of a top and bottom combined type of rotating furnace row
  • the upper and lower combined turning furnace row includes an upper cover 7 and a grate piece main body supporting the upper cover 7, the upper cover
  • the rafter body 8 includes a rotating end and a supporting end, wherein the supporting end of the upper cover ⁇ is provided with a pin groove, and the supporting end of the grate main body 8 is provided with a corresponding pin hole, the pin
  • the shaft groove and the pin shaft hole are connected by a pin shaft for fixing the support end of the combined grate;
  • the rotating end of the upper cover plate 7 is provided with a ferrule, and the rotating end of the grate main body 8 is provided with the ferrule Matching elbow, for Fixing the rotating end of the combined grate, thereby dividing the prior art grate piece into two parts, an upper cover plate 7 and a grate piece main body.
  • the ferrule is a hook which is bent downwardly at the end of the rotating end of the upper cover 7.
  • the hook of the upper cover 7 on the rotating end completely wraps the convex part of the grate main body 8, and the bent portion of the hook enters the groove on the lower side of the convex piece, so that the hook and the convex piece are mutually
  • the buckle is stuck.
  • the pin groove and the pin hole are coaxially disposed, and the pin shaft is inserted into the pin groove and the pin hole, so that the upper cover ⁇ and the grate piece main body are integrated. Get the upper and lower combined turning furnace row.
  • the grate piece main body is provided with a stop 10 through which the entire grate piece is clamped on the rotating large shaft of the grate, and is driven by the rotating large shaft of the grate to realize the whole grate piece winding.
  • the rotating shaft rotates to achieve the turning of the garbage and improve the combustion efficiency.
  • the inner side of the joint surface of the grate piece main body and the upper cover 7 is provided with a rib plate, and the arrangement of the rib plate not only improves the strength of the combined grate but also improves the heat dissipation performance of the grate.
  • the number of ribs can be set as needed.
  • the operation of the tumbling furnace row 1 is driven by a hydraulic push rod to rotate the large shaft, and then the rotating large shaft drives the tumbling furnace to perform the turning operation.
  • the turning roller is constituted by a part of a rotating large shaft for supporting and driving the turning furnace row.
  • At least one support member for supporting the flip roller is disposed under the flip roller, and the support member may be a support tug.
  • the support point of the turning roller is changed from one to at least two, which effectively decomposes the force of the tug, and ensures that the roller does not wear too fast due to overload during operation; and at the same time, due to the increase of the support point,
  • the self-positioning of the rotating large shaft during operation and the reduction of the support wheel load solve the problem that the vertical turning of the turning grate 7 is often axially broken and the rotating large shaft rod 8 is broken.
  • the support member is a supporting roller 10, and the supporting roller not only can well support the rotating large shaft, but also the tangent between the supporting roller and the turning roller, and the friction between the two is further
  • the supporting wheel does not repeatedly move back and forth which affects the turning roller, and the wear of the supporting wheel itself is reduced, the service life is prolonged, and the operation of the turning roller 9 and the turning grate 7 is better ensured.
  • the tug wheel is selected from a high temperature resistant roller bearing, which not only satisfies the high temperature environment in the incinerator but also satisfies a high radial load, and the bearing has the function of self-aligning and centering. , very suitable for the working conditions in the incinerator.
  • the technical scheme sets a measuring point for the temperature of the grate piece, and performs the temperature of the grate piece in operation. Real-time monitoring for controlling the sliding grate and turning the grate.
  • FIG. 12 is a schematic view of the grate thermocouple arrangement of the present invention
  • FIG. 12 is a top view of the waste incinerator hearth, which specifically includes five units, each unit including a plurality of sliding grate pieces, a rotating grate piece and a fixed furnace Rowing.
  • thermocouples may be: For the last row of fixed grate pieces in the fifth unit, one thermocouple is arranged for every other grate piece from the second second grate piece on the left side; A row of fixed grate sheets adjacent to the fourth unit and the rotating furnace row, from the third grate piece on the left side, one thermocouple is arranged every four grate pieces; the thermocouples on each fixed grate piece are arranged in the same manner as Figure 13 shows.
  • Fig. 11 is a plan view and a side view of the fixed furnace row, the thermocouple being mounted on the bottom surface of the upper furnace cover.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Incineration Of Waste (AREA)

Abstract

L'invention porte sur un incinérateur d'ordures mécanique hydraulique à étages multiples, lequel incinérateur comprend une entrée de matériau, une grille d'alimentation en matériau (4), une grille d'incinération, un système d'alimentation en air primaire et un système d'alimentation en air secondaire. La grille d'incinération est divisée le long de la direction longitudinale en cinq unités, la première à la quatrième des unités étant des unités standard, et la cinquième unité étant une unité d'extension d'extrémité, chaque unité étant constituée par plusieurs plaques de grille coulissantes, plusieurs plaques de grille basculantes et plusieurs plaques de grille fixes. Les cinq unités divisent la totalité de la grille d'incinération le long d'une direction de mouvement d'ordures en une section de séchage, une section de combustion et une section de combustion finale. Un appareil de support de limitation (2) pour l'utilisation à la limitation de mouvement vers le haut d'un chariot d'alimentation en matériau (3) de la grille d'alimentation en matériau (4) est disposé sur la surface supérieure au niveau de la partie de queue du chariot d'alimentation en matériau (3).
PCT/CN2012/086308 2012-04-01 2012-12-10 Incinérateur d'ordures mécanique hydraulique à étages multiples WO2013149478A1 (fr)

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IN2160MUN2014 IN2014MN02160A (fr) 2012-04-01 2012-12-10
BR112014024482-0A BR112014024482B1 (pt) 2012-04-01 2012-12-10 incinerador de refugo mecânico e hidráulico multiestágio

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CN201210096484.5A CN102607036B (zh) 2012-04-01 2012-04-01 一种多级液压机械式垃圾焚烧炉

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CN116293693A (zh) * 2023-02-15 2023-06-23 江苏耀先环境设备有限公司 一种炉排型焚烧炉及其制备方法

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CN104566392B (zh) * 2015-01-16 2017-08-01 光大环保技术研究院（深圳）有限公司 一种垃圾焚烧炉的给料炉排及垃圾焚烧炉
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IN2014MN02160A (fr) 2015-08-28
MY169628A (en) 2019-04-24

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