CN114877313B - Water-cooling vibrating grate direct-fired biomass boiler - Google Patents
Water-cooling vibrating grate direct-fired biomass boiler Download PDFInfo
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- CN114877313B CN114877313B CN202210392063.0A CN202210392063A CN114877313B CN 114877313 B CN114877313 B CN 114877313B CN 202210392063 A CN202210392063 A CN 202210392063A CN 114877313 B CN114877313 B CN 114877313B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
- F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H15/00—Cleaning arrangements for grates; Moving fuel along grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H17/00—Details of grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H9/00—Revolving-grates; Rocking or shaking grates
- F23H9/04—Grates rocked as a whole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H2900/00—Special features of combustion grates
- F23H2900/03021—Liquid cooled grates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H2900/00—Special features of combustion grates
- F23H2900/09041—Vibrating grates for solid fuels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a water-cooling vibrating grate direct-fired biomass boiler, which relates to the technical field of biomass boilers and comprises a tank body, wherein an ash-preventing bridge mechanism is fixedly connected to the bottom of the inner side surface of the tank body, an overheating-preventing mechanism is fixedly connected to the middle position of the inner side surface of the ash-preventing bridge mechanism, the ash-preventing bridge mechanism comprises a combustion disc, a spiral groove is formed in the surface of the combustion disc, a mechanism wall is fixedly connected to the middle position of the inner side surface of the combustion disc, and a motor is fixedly connected to the surface of the mechanism wall. The water-cooling vibrating grate direct-fired biomass boiler solves the problems that the temperature of flue gas at the bottom of the boiler is low, the ash contains complex mixtures composed of Cl, S, K, na and other elements, the ash is blocked by forming an ash bridge with strong cohesiveness, and the water-cooling efficiency is improved so as to ensure that fire grate pieces cannot be overheated and damaged.
Description
Technical Field
The invention relates to the technical field of biomass boilers, in particular to a water-cooling vibrating grate direct-fired biomass boiler.
Background
Biomass direct combustion is a technology mainly comprising a water-cooling vibrating grate furnace, and the biomass water-cooling vibrating grate boiler structure comprises: the bottom of the hearth is provided with a water-cooling vibrating grate, the lower part of the grate is provided with 3 independent air chambers, the hearth is of a structure with a large lower part and a small upper part, the lower part is flared from the upper part of the hearth, the cross section area is a combustion area, the water-cooling vibrating grate has the biggest characteristics of avoiding overheating of grate pieces, and the water-cooling vibrating grate has the characteristics that the biomass fuel has few ash and high combustion temperature, and the grate pieces are particularly easy to overheat, so that the water-cooling vibrating grate is particularly suitable for biomass fuel, and compared with other direct combustion processes, the process has the following characteristics: the equipment has long operation hours, average fuel adaptability is higher than 8000 hours, the treated fuel variety exceeds sixty categories, the ash stalk Huang Gan can be burnt to mix with fuel in any proportion, the boiler has stable combustion and high combustion efficiency, and the high-low temperature corrosion is effectively relieved for high alkali metal fuel. Based on the above description, the present inventors have found that the existing boiler mainly has the following disadvantages, for example:
the flue gas temperature at the bottom of the boiler is lower, and the ash contains a complex mixture composed of elements such as Cl, S, K, na and the like, so that the complex mixture has stronger cohesiveness to form ash bridges to block, and how to improve the water cooling efficiency to ensure that fire grate pieces cannot be overheated to be damaged.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a water-cooling vibrating grate direct-fired biomass boiler, which solves the problems that the temperature of flue gas at the bottom of the boiler is lower, the ash contains a complex mixture composed of elements such as Cl, S, K, na and the like, the ash has stronger cohesiveness to form ash bridges to be blocked, and the water-cooling efficiency is improved to ensure that fire grate pieces cannot be overheated to be damaged.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a direct-fired biomass boiler of water-cooling vibrating grate, includes the jar body, the bottom of jar internal side is fixedly connected with prevents ash bridge mechanism, prevent ash bridge mechanism medial surface's middle part position fixedly connected with and prevent overheated mechanism, prevent ash bridge mechanism includes the burning dish, the spiral groove has been seted up on the surface of burning dish, the middle part position of burning dish medial surface fixedly connected with mechanism wall, the surface fixedly connected with motor of mechanism wall, the pivot fixedly connected with stirring subassembly of motor output;
the anti-overheating mechanism comprises an atomizing nozzle, the top of the atomizing nozzle is fixedly connected with the bottom of the wall of the mechanism, a flow channel is formed in the wall of the mechanism, a cooling assembly is fixedly connected to the upper position of the surface of the wall of the mechanism, in the device, biomass raw materials are conveyed to the inside of the wall of the mechanism through rotation of a spiral sheet, the biomass raw materials are conveyed to a tank body for combustion, a vibration exciter enables a fire grate sheet to vibrate periodically, the raw materials are combusted more fully, combustion efficiency is higher, the atomizing nozzle atomizes liquid easy to evaporate and sprays the liquid into the flow channel, the liquid cools the fire grate sheet in a forward direction, and the absorbed heat in the liquid evaporation process can be taken away along with the air flow, so that a cooling water system is not required to be added.
Preferably, the top fixedly connected with connecting pipe of the jar body, the one end fixedly connected with heat transfer equipment of jar body is kept away from to the connecting pipe, the surface of burning dish and the below position fixed connection of jar internal side, when the complex mixture deposit that the elements such as Cl, S, K and Na are constituteed in boiler bottom, the middle part position of burning dish is sunken downwards, stirs the gas of subassembly stirring burning dish below position, the dust deposit in the upper position of helicla flute, for current slotted hole, the helicla flute has the continuity, when the elastic slice stirs the bottom of burning dish, because complex mixture has adhesion characteristic, the problem that forms the ash bridge and lead to the jam can effectively be avoided to the mutual pulling between the dust.
Preferably, the bottom fixedly connected with ash collecting wall of jar body, the middle part position of burning dish is sunken downwards, stir the subassembly and include stirring piece, the middle part position on stirring piece surface is connected with the pivot fixed connection of motor output.
Preferably, the surface fixedly connected with damping ball of stirring piece, the through-hole has been seted up on the surface of damping ball, the top fixedly connected with elastic sheet of stirring piece, the surface of elastic sheet and the bottom in close contact of burning dish, the motor drives stirring piece and rotates, when the air current reached damping ball, the through-hole on damping ball surface makes the air current cut the jam, make the air current effectively stir in the position of damping ball, the top of elastic sheet and the bottom of burning dish have certain extrusion force, in-process that the elastic sheet stirred can make the air produce certain vibration, thereby be favorable to the ash to drop from the helicla flute, stir the strip and can promote the ash to be collected from album grey wall, thereby make the efficiency of complicated mixture ash mediation higher.
Preferably, the bottom of stirring piece fixedly connected with stirs the strip, stir the surface of strip and the bottom in the internal side of jar in close contact, the upper position of mechanism wall medial surface fixedly connected with cutting strip.
Preferably, the surface rotation of cutting strip is connected with the flight, cooling module includes the stave, the surface of stave and the upper position fixed connection of mechanism wall surface are through preventing ash bridge mechanism, stirring subassembly, prevent the cooperation of mechanism such as overheated mechanism and cooling module and use, have solved the flue gas temperature of boiler bottom lower, contain the complex mixture that elements such as Cl, S, K and Na constitute in the ash, have stronger cohesiveness and form ash bridge and block up to and how to improve water-cooling efficiency thereby ensure that the grate piece can not overheat and damage the problem.
Preferably, the inside surface of the cooling wall is fixedly connected with a vibration exciter, the position, close to the vibration exciter, of the surface of the cooling wall is fixedly connected with a fire grate segment, the surface of the cooling wall is fixedly connected with a cooling pipe, biomass raw materials are conveyed to a cutting bar, the cutting bar cuts and shunts the raw materials and conveys the raw materials into a tank body for combustion, the vibration exciter enables fuel on the fire grate segment to obtain driving force, the fuel is enabled to do periodic jumping motion on the fire grate segment, and therefore the whole processes of preheating, drying, combustion and burning of the fuel are completed.
Preferably, the cooling pipe is communicated with the inside of the flow channel, the bottom of the cooling wall is fixedly connected with a mist flow pipe, and the inner side surface of the mist flow pipe is fixedly connected with an air pump.
(III) beneficial effects
The invention provides a water-cooling vibrating grate direct-fired biomass boiler. The beneficial effects are as follows:
(1) The water-cooling vibrating grate direct-fired biomass boiler solves the problems that the temperature of flue gas at the bottom of the boiler is low, the ash contains complex mixtures composed of Cl, S, K, na and other elements, the ash is blocked by forming an ash bridge with strong cohesiveness, and the water-cooling efficiency is improved so as to ensure that fire grate pieces cannot be overheated and damaged through the cooperation of an ash bridge prevention mechanism, an stirring assembly, an overheat prevention mechanism, a cooling assembly and other mechanisms.
(2) In the device, the rotation of the spiral sheet enables biomass raw materials to be conveyed to the inside of the mechanism wall, the biomass raw materials are conveyed to the tank body for combustion, the vibration exciter enables the fire sheet to vibrate periodically, the raw materials are combusted more fully, combustion efficiency is higher, the atomizing nozzle atomizes and sprays easily-evaporated liquid into the runner, the liquid is cooled down in the forward direction, cooling water is directly introduced for cooling, and heat absorbed in the liquid evaporation process can be taken away along with the air flow without adding a cooling water system.
(3) The biomass raw materials are conveyed to the cutting bars, the cutting bars cut and split the raw materials and convey the raw materials to the tank body for combustion, the vibration exciter enables fuel on the fire grate to obtain driving force, the fuel makes periodic jumping motion on the fire grate, and accordingly the whole processes of preheating, drying, combustion and burning of the fuel are completed.
(4) When the complex mixture formed by elements such as Cl, S, K, na and the like is deposited at the bottom of the boiler, the middle position of the combustion disc is sunken downwards, the stirring assembly stirs gas at the lower position of the combustion disc, dust is deposited at the upper position of the spiral groove, the spiral groove has continuity relative to the existing slotted hole, and when the elastic sheet stirs the bottom of the combustion disc, the problem of blockage caused by ash bridge formation can be effectively avoided due to mutual involvement between dust due to the adhesion characteristic of the complex mixture.
(5) This direct-fired biomass boiler of water-cooling vibrating grate, the motor drives and stirs the piece and rotate, when the air current reached damping ball, the through-hole on damping ball surface made the air current cut and blocked for the air current is effectively stirred in damping ball's position, and the top of elastic sheet has certain extrusion force with the bottom of burning dish, can make the air produce certain vibration when the in-process that the elastic sheet stirred, thereby is favorable to the ash to drop from the helicla flute, stirs the strip and can promote the ash to be collected from album grey wall, thereby makes the efficiency of complex mixture ash mediation higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is a schematic view of the ash bridge prevention mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the agitating assembly of the present invention;
FIG. 5 is a schematic view of the overheat protection mechanism of the present invention;
FIG. 6 is a schematic view of a cooling module according to the present invention.
In the figure: 1. a heat exchange device; 2. a connecting pipe; 3. a tank body; 4. an ash bridge prevention mechanism; 41. a combustion plate; 42. a spiral groove; 43. an ash collecting wall; 44. a motor; 45. a mist flow pipe; 5. an agitation assembly; 51. a stirring piece; 52. damping balls; 53. an elastic sheet; 54. toggling the bar; 6. an overheat preventing mechanism; 61. a mechanism wall; 62. an atomizing nozzle; 63. a flow passage; 64. cutting the strips; 65. a spiral sheet; 7. a cooling assembly; 71. a cooling wall; 72. a fire grate segment; 73. a cooling tube; 74. a vibration exciter; 75. an air pump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-6, the present invention provides a technical solution: the utility model provides a water-cooling vibration grate direct-fired biomass boiler, including a jar body 3, the bottom fixedly connected with collection ash wall 43 of jar body 3, the middle part position undercut of burning dish 41, stirring subassembly 5 includes stirring piece 51, stirring piece 51's bottom fixedly connected with stirring strip 54, stirring strip 54's surface and jar 3 medial surface's bottom in close contact, mechanism wall 61 medial surface's upper position fixedly connected with cutting strip 64, the rotation of spiral strip 65 makes the inside of living beings raw and other materials by carrying mechanism wall 61, living beings raw and other materials carry to jar 3 in burning, vibration exciter 74 makes grate piece 72 do periodic oscillation, make raw and other materials burn more fully, combustion efficiency is higher, atomizing shower nozzle 62 will be liable to evaporate liquid atomization processing and spray into runner 63, liquid particle is upwards cooled down to grate piece 72, for directly introducing into the cooling water and cooling, the heat that absorbs in the liquid evaporation process can be along with the air current area separation, need not add cooling water system, cutting strip 64's surface rotation is connected with screw 65, cooling assembly 7 includes cooling wall 71, cooling wall 71's medial surface fixedly connected with inside surface 74 is connected with cooling wall 71, cooling wall 71 is close to cooling wall 71, the inside surface of vibration exciter tube position of vibration exciter tube 71 is connected with cooling wall 71, the inside surface of cooling wall 71 is connected with cooling wall 71 is fixed with cooling tube 75, the inside surface of cooling tube is connected with cooling tube 45, the fixed surface of vibration damper tube is connected with surface of cooling tube 71, the inside surface of cooling tube is connected with cooling tube is fixed with surface of cooling wall 71, and is connected with cooling tube and is cooled down.
The top of the stirring sheet 51 is fixedly connected with an elastic sheet 53, the surface of the elastic sheet 53 is tightly contacted with the bottom of the combustion disc 41, the middle position of the surface of the stirring sheet 51 is fixedly connected with a rotating shaft of the output end of the motor 44, the top of the tank 3 is fixedly connected with a connecting pipe 2, one end of the connecting pipe 2 away from the tank 3 is fixedly connected with a heat exchange device 1, the surface of the combustion disc 41 is fixedly connected with the lower position of the inner side surface of the tank 3, the bottom of the inner side surface of the tank 3 is fixedly connected with an ash bridge prevention mechanism 4, the middle position of the inner side surface of the ash bridge prevention mechanism 4 is fixedly connected with an overheat prevention mechanism 6, the lower flue gas temperature of the bottom of a boiler is solved through the cooperation of the ash bridge prevention mechanism 4, the stirring assembly 5, the overheat prevention mechanism 6, the cooling assembly 7 and other mechanisms, the ash contains a complex mixture composed of Cl, S, K, na and other elements, has stronger cohesiveness to form an ash bridge to be blocked, and solves the problem of how to improve water cooling efficiency to ensure that fire grate segments 72 cannot overheat to be damaged, the ash bridge prevention mechanism 4 comprises a combustion disc 41, a spiral groove 42 is formed on the surface of the combustion disc 41, a mechanism wall 61 is fixedly connected to the middle position of the inner side surface of the combustion disc 41, a motor 44 is fixedly connected to the surface of the mechanism wall 61, a rotating shaft at the output end of the motor 44 is fixedly connected with an stirring assembly 5, the overheat prevention mechanism 6 comprises an atomization spray head 62, the top of the atomization spray head 62 is fixedly connected with the bottom of the mechanism wall 61, a flow channel 63 is formed in the mechanism wall 61, and a cooling assembly 7 is fixedly connected to the upper position of the surface of the mechanism wall 61.
When in use, the utility model is characterized in that: the water-cooling vibrating grate direct-fired biomass boiler solves the problems that the temperature of flue gas at the bottom of the boiler is low, the ash contains complex mixtures composed of elements such as Cl, S, K, na and the like, the ash is blocked by forming an ash bridge with strong cohesiveness, and the water-cooling efficiency is improved so as to ensure that fire grate segments 72 cannot be overheated and damaged through the cooperation of the ash bridge prevention mechanism 4, the stirring assembly 5, the overheat prevention mechanism 6, the cooling assembly 7 and the like.
In the device, the rotation of the spiral sheet 65 enables biomass raw materials to be conveyed into the mechanism wall 61, the biomass raw materials are conveyed into the tank body 3 for combustion, the vibration exciter 74 enables the fire grate sheet 72 to vibrate periodically, the raw materials are combusted more fully, combustion efficiency is higher, the atomization nozzle 62 atomizes and sprays liquid which is easy to evaporate into the flow channel 63, liquid particles flow upwards to cool the fire grate sheet 72, compared with the direct cooling water feeding, heat absorbed in the liquid evaporation process can be carried away along with an air flow, a cooling water system is not needed, the biomass raw materials are conveyed to the cutting strip 64, the cutting strip 64 cuts and shunts the raw materials and conveys the raw materials into the tank body 3 for combustion, the vibration exciter 74 enables the fuel on the fire grate sheet 72 to obtain driving force, the fuel is enabled to do periodic jumping motion on the fire grate sheet 72, therefore the whole processes of preheating and drying of the fuel, combustion and the whole process of burning ashes are completed, when fog flow in the flow channel 63 moves upwards along with the air flow and enters the cooling wall 71, the cooling pipe 73 is in direct contact with the fire grate sheet 72, heat absorbed by the fog flow in the cooling pipe 73, the heat inside the cooling pipe 73 absorbs the heat of the fire grate sheet 72, the heat is transferred out of the fire grate sheet, and the working efficiency is increased in time, and the gasification fluid is cooled and the working efficiency is achieved.
When complex mixtures of Cl, S, K, na and other elements are deposited at the bottom of the boiler, the middle position of the combustion disc 41 is sunken downwards, the stirring assembly 5 stirs gas at the position below the combustion disc 41, dust is deposited at the position above the spiral groove 42, the spiral groove 42 is continuous relative to the existing slotted hole, when the elastic piece 53 stirs the bottom of the combustion disc 41, the complex mixtures have adhesion property, the problem of blocking caused by ash bridge formation can be effectively avoided due to the mutual involvement of the dust, the motor 44 drives the stirring piece 51 to rotate, when the gas flow reaches the damping ball 52, the gas flow is cut and blocked by the through holes on the surface of the damping ball 52, the gas flow is effectively stirred at the position of the damping ball 52, the top of the elastic piece 53 and the bottom of the combustion disc 41 have a certain extrusion force, the air can generate a certain vibration in the stirring process of the elastic piece 53, so that ash can fall from the spiral groove 42, the stirring strip 54 can promote the ash collection from the ash collection wall 43, and the ash efficiency of the complex mixtures is higher.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a water-cooling vibrating grate direct-fired biomass boiler, includes a jar body (3), its characterized in that: the device is characterized in that an ash bridge prevention mechanism (4) is fixedly connected to the bottom of the inner side surface of the tank body (3), an overheating prevention mechanism (6) is fixedly connected to the middle position of the inner side surface of the ash bridge prevention mechanism (4), the ash bridge prevention mechanism (4) comprises a combustion disc (41), a spiral groove (42) is formed in the surface of the combustion disc (41), a mechanism wall (61) is fixedly connected to the middle position of the inner side surface of the combustion disc (41), a motor (44) is fixedly connected to the surface of the mechanism wall (61), and a stirring assembly (5) is fixedly connected to a rotating shaft at the output end of the motor (44);
the overheat prevention mechanism (6) comprises an atomizing nozzle (62), the top of the atomizing nozzle (62) is fixedly connected with the bottom of a mechanism wall (61), a flow channel (63) is formed in the mechanism wall (61), and a cooling assembly (7) is fixedly connected to the upper position of the surface of the mechanism wall (61);
the top of the tank body (3) is fixedly connected with a connecting pipe (2), one end, far away from the tank body (3), of the connecting pipe (2) is fixedly connected with a heat exchange device (1), and the surface of the combustion disc (41) is fixedly connected with the lower position of the inner side surface of the tank body (3);
the bottom of the tank body (3) is fixedly connected with an ash collecting wall (43), the middle position of the combustion disc (41) is sunken downwards, the stirring assembly (5) comprises a stirring sheet (51), and the middle position of the surface of the stirring sheet (51) is fixedly connected with a rotating shaft at the output end of the motor (44);
the surface of the stirring sheet (51) is fixedly connected with a damping ball (52), a through hole is formed in the surface of the damping ball (52), the top of the stirring sheet (51) is fixedly connected with an elastic sheet (53), and the surface of the elastic sheet (53) is tightly contacted with the bottom of the combustion disc (41);
the bottom of the stirring sheet (51) is fixedly connected with a stirring bar (54), the surface of the stirring bar (54) is tightly contacted with the bottom of the inner side surface of the tank body (3), and a cutting bar (64) is fixedly connected to the upper position of the inner side surface of the mechanism wall (61);
the surface of the cutting strip (64) is rotationally connected with a spiral sheet (65), the cooling assembly (7) comprises a cooling wall (71), and the surface of the cooling wall (71) is fixedly connected with the upper position of the surface of the mechanism wall (61);
the cooling wall (71) is characterized in that an exciter (74) is fixedly connected to the inner side surface of the cooling wall (71), a fire grate (72) is fixedly connected to the surface of the cooling wall (71) close to the exciter (74), and a cooling pipe (73) is fixedly connected to the surface of the cooling wall (71).
2. The water cooled vibrating grate direct-fired biomass boiler of claim 1, wherein: the inside of cooling tube (73) is linked together with the inside of runner (63), the bottom fixedly connected with fog flow pipe (45) of cooling wall (71), the medial surface fixedly connected with air pump (75) of fog flow pipe (45).
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| CN202210392063.0A CN114877313B (en) | 2022-04-14 | 2022-04-14 | Water-cooling vibrating grate direct-fired biomass boiler |
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| CN114877313B true CN114877313B (en) | 2023-06-27 |
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| CN115751347B (en) * | 2023-02-13 | 2023-04-07 | 光大环保技术装备（常州）有限公司 | Water-cooled grate temperature and flow detection system and detection method thereof |
| CN118142666B (en) * | 2024-05-13 | 2024-07-12 | 南通正德江海机械制造有限公司 | Solid waste separating device for renewable concrete building |
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| CN210511728U (en) * | 2019-07-17 | 2020-05-12 | 广州环渝能源科技有限公司 | Internal circulation water-cooling grate structure |
| KR20210123026A (en) * | 2020-04-02 | 2021-10-13 | 주식회사 진화메탈 | Water cooling type fire grate for incineratior |
| CN212805595U (en) * | 2020-08-07 | 2021-03-26 | 太康县豫东锅炉有限公司 | Boiler steam-water circulation system capable of improving waste heat utilization efficiency |
| CN114018023A (en) * | 2021-11-30 | 2022-02-08 | 广西抿元投资控股集团有限公司 | Sectional type combustion equipment based on electronic information control technology |
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