CN108036329A - A kind of garbage burning boiler - Google Patents

A kind of garbage burning boiler Download PDF

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Publication number
CN108036329A
CN108036329A CN201711418798.1A CN201711418798A CN108036329A CN 108036329 A CN108036329 A CN 108036329A CN 201711418798 A CN201711418798 A CN 201711418798A CN 108036329 A CN108036329 A CN 108036329A
Authority
CN
China
Prior art keywords
water
cooling wall
fire grate
interior
rotary fire
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201711418798.1A
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Chinese (zh)
Inventor
刘昌亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Jianhua Boiler Mechanical Engineering Co Ltd
Original Assignee
Zhuhai Jianhua Boiler Mechanical Engineering Co Ltd
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 Zhuhai Jianhua Boiler Mechanical Engineering Co Ltd filed Critical Zhuhai Jianhua Boiler Mechanical Engineering Co Ltd
Priority to CN201711418798.1A priority Critical patent/CN108036329A/en
Publication of CN108036329A publication Critical patent/CN108036329A/en
Pending legal-status Critical Current

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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
    • F23G5/02—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
    • 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
    • F23G5/32—Incineration of waste; Incinerator constructions; Details, accessories or control therefor the waste being subjected to a whirling movement, e.g. cyclonic incinerators
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/105—Furnace arrangements with endless chain or travelling grate
    • 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
    • F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
    • 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
    • F23G2206/203—Waste heat recuperation using the heat in association with another installation with a power/heat generating installation
    • 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
    • Y02E20/12—Heat utilisation in combustion or incineration of waste

Abstract

The invention discloses a kind of garbage burning boiler, including boiler shell, burner hearth, charging gear, steam generation facility, auxiliary combustion equipment and rotary fire grate；It is the interior water-cooling wall of sleeve-shaped and outer water-cooling wall that steam generation facility, which includes,；Charging gear is provided with feed opening, and interior water-cooling wall is arranged on above rotary fire grate, and the upper end and lower end of interior water-cooling wall are respectively communicated with annular drum and interior header, and the upper end and lower end of outer water-cooling wall are respectively communicated with annular drum and lower collecting box；Boiler shell upper end offers exhanst gas outlet, the clip cavity connection exhanst gas outlet between interior water-cooling wall lateral wall and outer water-cooling wall madial wall.Fire grate rotation can stir garbage fuel, make burning more full and uniform thoroughly；Interior water-cooling wall and outer water-cooling wall are socket type, membrane type structure, strengthen heat exchange, more abundant to drying garbage；Water-cooling wall forms long and narrow furnace cavity inside and outside annular, beneficial to absorption high-temperature flue gas heat, while devises combustion-aid structure, forms the environmental condition for suppressing generation bioxin.

Description

A kind of garbage burning boiler
Technical field
The present invention relates to a kind of refuse disposal installation, more particularly, to a kind of garbage burning boiler.
Background technology
At present, the principal mode of garbage disposal has landfill and burning.
Since the landfill disposal of rubbish has increasingly been restricted by environment place, some local refuse landfills have been Pile up like a mountain, nowhere accommodates.Thus waste incineration harmless treatment mode have to become China's urban development stage it is main Garbage disposal means.But rubbish, due to the presence of the materials such as the plastic products in rubbish, burns during burning When may produce the harmful substance bioxin for endangering human health, it is therefore necessary to take corresponding effective means to be controlled by, Such as：1st, strengthen source control, carry out garbage classification, avoid the material (such as PCBs) of Han dioxins and the danger that chlorinty is high Waste enters incinerator；2nd, the outer low temperature of stove is reduced to synthesize again；3rd, tail gas clean-up efficiency is improved；4th, synthesis in stove is reduced：Usually adopt 3T+E techniques, i.e. more than 850 degree of incineration temperature, the residence time is more than 2.0 seconds, keeps sufficient gas-solid less turbulence, And excessive air capacity, make O in flue gas2Concentration be in 6~11%.For the 4th point, due to the moisture content by rubbish, kind The influence of the factors such as class, dispersiveness, wet weather, easily causes and burns that in-furnace temperature is fluctuated, incineration firing is insufficient, a side Face easily forms the furnace inner environment for producing bioxin, and another aspect adds quantity of solid waste, produce secondary pollution and subsequent treatment into This.
In addition, waste incineration and generating electricity boiler is restricted by scale of investment and environment place, covering popularization has great limitation Property.The rubbish needs long-distance transport in many places can just be sent to large-scale incineration plant and be handled, and cost is extremely high.For this reason, I Designed and developed a kind of compact-sized, small, small investment, good environmental protection, the rubbish that occupied ground is small, easy to install Rubbish burns steam boiler, solves the hard nut to crack of the garbage disposal in outlying villages and small towns emphatically, turns waste into wealth at the same time, utilizes rubbish Calorific value produces hot water or steam, to industrial and agricultural production and the life of people supply thermal energy.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of garbage burning boiler, energy conservation and environmental protection, solution The hard nut to crack of the garbage disposal in certainly outlying villages and small towns.
The present invention is to solve the technical solution that its technical problem uses to be：
A kind of garbage burning boiler, including boiler shell, burner hearth, charging gear, the steam generation dress being arranged in burner hearth The auxiliary combustion equipment that put, is connected on boiler shell side wall and the rotary fire grate for being arranged on boiler shell bottom；
The steam generation facility includes the interior water-cooling wall and outer water-cooling wall, the interior water-cooling wall and outer water cooling of equal socket type Wall is provided with some water screen tubes；
The charging gear is provided with feed opening, the cavity and burner hearth of water-cooling wall institute corral in feed opening connection；
Interior water-cooling wall is arranged in the cavity of outer water-cooling wall institute corral and is arranged on above rotary fire grate, interior water-cooling wall institute The cavity of corral is used for garbage drying；The bottom of outer water-cooling wall is less than the upper end of rotary fire grate, and the internal diameter of outer water-cooling wall is big In rotary fire grate and be capable of corral rotary fire grate upper end produce flame；
Boiler shell upper end offers exhanst gas outlet.
Another embodiment according to the present invention, further has, the steam generation facility is further included while connected Connect interior water-cooling wall and the annular drum of outer water-cooling wall upper end；Annular inside steam drum is provided with while water-cooling wall and outer water cooling in connecting The cavity of wall；Feed opening is sequentially communicated the cavity of annular drum institute corral, the cavity and burner hearth of interior water-cooling wall institute corral.
Another embodiment according to the present invention, further has, in the bottom of the interior water-cooling wall is provided with Header, interior header connect annular drum by water screen tube.
Another embodiment according to the present invention, further has, the bottom of the outer water-cooling wall is connected with down Header, lower collecting box connect annular drum by water screen tube.
Another embodiment according to the present invention, further has, the rotary fire grate is provided with as distribution plenum Cavity and the dispelling wind pipe of rotary fire grate upper surface is connected to from distribution plenum.
Another embodiment according to the present invention, further has, the upper end of the rotary fire grate includes fire grate Panel and fire grate bottom plate, are provided with the interlayer for the cooling water that circulates between fire grate panel and fire grate bottom plate；Interlayer be communicated with into Water pipe and outlet pipe；The water inlet pipe includes the epimere and hypomere being flexibly connected, and water inlet pipe epimere is connected with rotary fire grate, water outlet Pipe is worn be connected in the cavity of water inlet pipe epimere and hypomere institute corral at the same time.
Another embodiment according to the present invention, further has, the upper surface of the rotary fire grate, which is connected with, scrapes Plate, scraper plate are used to stir rubbish and scrape lime-ash.
Another embodiment according to the present invention, further has, is provided with the charging gear for blanking With the blanking choke device of closed feeding device, blanking choke device includes two rolling elements, and rolling element includes roller bearing and is arranged on rolling Blade on axis lateral wall, two rolling elements can be interrupted by blade to be engaged.
Another embodiment according to the present invention, further has, and the charging gear is communicated with condenser, condensation Device is used to condense the exhaust gas discharged after drying garbage；Condenser is provided with the sewage draining exit and use that gained sewage is condensed for discharging In the exhaust outlet of discharge residual gas.
Another embodiment according to the present invention, further has, the exhanst gas outlet is communicated with gas cleaning system System.
A kind of garbage burning boiler that the present invention uses, has the advantages that：
1st, compact-sized, floor space is small, easy to install；
2nd, drying and burning is all completed in stove, adaptable；
3rd, fire grate rotation can stir the garbage fuel of accumulation, make burning more full and uniform thoroughly, be more conducive to the discharge of lime-ash；
4th, interior water-cooling wall and outer water-cooling wall are socket type, membrane type structure, strengthen heat exchange, reduce heat loss, reduce leakage The probability of cigarette；
5th, water-cooling wall forms long and narrow furnace cavity inside and outside annular, forms turbulent flow beneficial to high-temperature flue gas and extends high-temperature flue gas The residence time in stove, suppresses the generation of bioxin；
6th, combustion-aid structure is designed, starts combustion-supporting when running into waste of low heating value or bad burning, ensures that fire box temperature is not less than 850 DEG C, form the environmental condition for suppressing generation bioxin；
7th, the heat using water-cooling wall transmission in cigarette heat and membrane type is predrying to rubbish formula for composite, and drying is more abundant, Beneficial to rubbish catch fire burning and burning it is thorough；
In addition, boiler is fed intake using the annular drum of original creation beneficial to center, it is ensured that burning and dry uniformity；Revolving burner Row is arranged to water-cooled grate, can avoid bulky cast-iron structure, extend the service life of equipment.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of steam generation facility of the present invention；
Fig. 3 is the top view of steam generation facility of the present invention；
Fig. 4 is rotary fire grate of the present invention and its structure diagram of periphery connection；
Fig. 5 is the structure diagram of charging gear of the present invention；
Fig. 6 is the structure diagram of flue gas purification system of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
As shown in Figures 1 to 5, a kind of garbage burning boiler, including boiler shell 12, burner hearth 9, charging gear, be arranged on Steam generation facility in burner hearth 9, the auxiliary combustion equipment 29 being connected on 12 side wall of boiler shell and it is arranged on boiler shell 12 The rotary fire grate 7 of bottom.Charging gear is arranged on 12 upper end of boiler shell and connects steam generation facility, garbage burning boiler It is compact-sized, it is easy to install.
As shown in Figure 1, Figure 2 and Figure 3, steam generation facility includes the interior water-cooling wall 13 and outer water-cooling wall 10 of equal socket type, Interior water-cooling wall 13 and outer water-cooling wall 10 are provided with some water screen tubes.
Steam generation facility further include and meanwhile in connecting 10 upper end of water-cooling wall 13 and outer water-cooling wall annular drum 16；Annular Drum 16 is internally provided with while the cavity of water-cooling wall 13 and outer water-cooling wall 10 in connecting.Steam generation facility is provided with water-level gauge Interface；Specifically, water level interface is arranged on annular drum 16.
As shown in Figure 1 and Figure 5, charging gear is provided with feed opening 21, and feed opening 21 is sequentially communicated annular drum 16 and is enclosed The cavity and burner hearth 9 of 13 corrals of cavity, interior water-cooling wall enclosed.
As shown in Figure 1, Figure 2 and Figure 3, interior water-cooling wall 13 is arranged in the cavity of outer 10 corrals of water-cooling wall and is arranged on The gap of the top of rotary fire grate 7,7 upper end of rotary fire grate and interior water-cooling wall 13 is used for dried rubbish and escapes for burning, simultaneously It can stop that excessive rubbish passes through；The bottom of outer water-cooling wall 10 is less than the upper end of rotary fire grate 7, the internal diameter of outer water-cooling wall 10 More than rotary fire grate 7 and it is capable of the flame that 7 upper end of corral rotary fire grate produces, the bottom of outer water-cooling wall 10 and rotary fire grate 7 Form out the gap of lime-ash.
As shown in Figure 1,12 upper end of boiler shell offers exhanst gas outlet 25, interior 13 lateral wall of water-cooling wall and outer water-cooling wall 10 Clip cavity connection exhanst gas outlet 25 between madial wall；Outer water-cooling wall 10 offers the circumferential direction for discharging flue gas to exhanst gas outlet 25 Grid shape passway.
Auxiliary combustion equipment 29 is used to light rubbish, starts in operational process when temperature is less than 850 degrees Celsius in burner hearth 9 to stove Thorax 9 provides calory burning, and temperature is effectively ensured in burner hearth 9 more than 850 degrees Celsius, when running into waste of low heating value or bad burning Start it is combustion-supporting, advantageously form suppress bioxin generation environmental condition.Auxiliary combustion equipment 29 includes fuel tank and the spray being connected Mouth is fired, fuel tank is used to store combustion gas or fuel oil；Spray combustion mouth is provided with igniter, and igniter is connected with ignition control Circuit.
Rubbish blanking direction U directions as shown in Figure 1, flow of flue gas direction V directions as shown in Figure 1 in boiler, rubbish in boiler Jitter direction W directions as shown in Figure 1 when rubbish stirs.
In garbage burning boiler, rubbish pour into from feed opening 21 and by charging gear, annular drum institute's corral cavity and Fall in the cavity of interior 13 corrals of water-cooling wall.Auxiliary combustion equipment 29 ignites rubbish, and rubbish gradually burns, and lime-ash is from rotary fire grate 7 Edge is discharged, and the rubbish at interior 13 corral cavitys of water-cooling wall is gradually moved down to rotary fire grate 7.Including unburned rubbish storing In the cavity of 13 corrals of water-cooling wall, rubbish is fully dried.
Rubbish fully burns in burner hearth 9, and heat caused by waste incineration heat and auxiliary combustion equipment 29 produces boiler More than 850 celsius temperatures, the generation of bioxin is effectively eliminated.The heat transfer that incineration firing produces is to interior water-cooling wall 13 and outside Water in the water screen tube of water-cooling wall 10, water absorb heat and produce steam, and annular drum 16 is used to collect steam, annular drum 16 Be connected with steam (vapor) outlet 22, steam (vapor) outlet 22 is provided with valve body for switching steam, annular drum 16 is also communicated with safety valve 18, safety valve 18 is used to discharge the steam pressure of unexpected superelevation in annular drum 16, ensures its security.
Interior water-cooling wall 13 is arranged on the top of rotary fire grate 7, and outer water-cooling wall 10 is arranged to socket type, 10 bottom of outer water-cooling wall Less than rotary fire grate 7 upper end and can 7 upper end of corral rotary fire grate, the rubbish of outer 10 corral rotary fire grate of water-cooling wall, 7 upper end The rubbish scene of a fire, the heat that incineration firing produces on rotary fire grate 7 are fully fully absorbed by interior water-cooling wall 13 and outer water-cooling wall 10.
Interior water-cooling wall 13 is arranged to socket type and is arranged on the top of rotary fire grate 7, the cavity of interior 13 corrals of water-cooling wall, The cavity and charging gear of annular 16 corrals of drum are sequentially connected, and partial fume caused by incineration firing passes through interior water successively The cavity of 13 corrals of cold wall, annular 16 corral cavitys of drum and charging gear, the partial fume is with having guidance quality toward feed Device water conservancy diversion, the partial fume can be used in garbage drying, make rubbish is rapid in after burning to act abundant burning of fighting, at the same time The heat of the partial fume is fully absorbed by the rubbish below interior water-cooling wall 13, annular drum 16 and charging gear.
Interior water-cooling wall 13 is arranged to socket type and is arranged on the top of rotary fire grate 7, and charging gear, annular drum 16 are enclosed The cavity for enclosing 13 corrals of cavity and interior water-cooling wall is sequentially communicated, and is fed intake beneficial to center, and rubbish is oriented to and drops down onto on rotary fire grate 7 End, it is ensured that incineration firing and dry uniformity.First fully burning and then lime-ash fall into ash disk to rubbish on rotary fire grate 7 30 and 13 corral cavitys of interior water-cooling wall at rubbish slide downwards, scraper plate 8 is rotated with rotary fire grate 7, scraper plate 8 will be dried Rubbish, which is dialed out in burner hearth, to burn, and avoids rubbish from departing from rotary fire grate 7 and cannot fully burn, avoid not sufficiently combusted rubbish Rubbish influences the exclusion of lime-ash.
Outer water-cooling wall 10 is arranged to socket type and corral is in 7 upper end of rotary fire grate, most of cigarette caused by incineration firing Gas pass through 10 madial wall of interior 13 lateral wall of water-cooling wall and outer water-cooling wall between clip cavity, finally escaped from exhanst gas outlet 25, the portion The heat of flue gas is divided to be fully absorbed by outer water-cooling wall 10 and interior water-cooling wall 13, the water screen tube of outer water-cooling wall 10 and interior water-cooling wall 13 Water steam is generated by thermal evaporation and to annular 16 water conservancy diversion of drum.
Interior water-cooling wall 13 and outer water-cooling wall 10 are arranged to long and narrow pattern, form turbulent flow beneficial to high-temperature flue gas and extend high temperature Flue gas residence time in stove, suppresses the generation of bioxin
As shown in figures 1 to 6, exhanst gas outlet 25 is communicated with flue gas purification system 26, and flue gas purification system 26 is used for cigarette Gas carries out desulphurization denitration and filters out flue dust in flue gas.
One section that exhanst gas outlet 25 is provided with burner hearth 9 is arranged to annular smoke-box 14, and annular smoke-box 14 is more than steam generation The outside diameter of device.Annular smoke-box 14 is used to collect flue gas, forms turbulent flow beneficial to high-temperature flue gas and extends high-temperature flue gas and stops in stove The time stayed, ensures that the heat entrained by flue gas is fully absorbed by steam generation facility.
As shown in Figure 1, Figure 2 and Figure 3, the bottom of interior water-cooling wall 13 be provided with for contact rubbish flame it is annular in Header 27, interior header 27 connect the water screen tube of interior water-cooling wall 13, and interior header 27 connects annular drum 16 by water screen tube, interior Header 27 is used to fully absorb heat caused by rubbish flame, and interior header 27 connects some water screen tubes on interior water-cooling wall 13 Bottom, is additionally operable to store annular drum 16, the water to settle down.
As shown in Figure 1, the inner side of boiler shell 12 is provided with fire resisting moisturizing layer 11, fire resisting moisturizing layer 11 and outer water-cooling wall 10 Periphery wall connection；The setting of fire resisting moisturizing layer 11, the heat effectively reduced in burner hearth 9 are outwards lost in, and also prevent case temperature Excessive caused security risk and thus bring thermal pollution to environment.
Rotary fire grate 7 is used to stir rubbish, make the burning of accumulation more fully, uniform and complete, rotary fire grate 7 is also beneficial to lime-ash Discharge.
As shown in Figure 1 and Figure 4, rotary fire grate 7 is provided with the cavity as distribution plenum 28 and is connected to from distribution plenum 28 The dispelling wind pipe of rotary fire grate upper surface, the upper surface of rotary fire grate 7 are used for combustion refuse, and dispelling wind pipe is used for toward rotary fire grate 7 The rubbish blow air of end face；Rotary fire grate 7 is sequentially connected with Power Component 4.
As shown in Figure 1 and Figure 4, distribution plenum 28 is communicated with air-blast device, and air-blast device includes the pipe connected with distribution plenum 28 Road and the air blower 31 with pipeline connection.The setting of dispelling wind pipe, makes rubbish fully burn and provides flow of flue gas in burner hearth 9 Power.
As shown in Figure 1 and Figure 4, rotary fire grate 7 is arranged to water-cooled grate, avoids rotary fire grate 7 from being arranged to bulky structure, Water-cooled fire grate can extend the service life of equipment.The upper end of rotary fire grate 7 includes fire grate panel and fire grate bottom plate, fire grate The interlayer for the cooling water that circulates is provided between panel and fire grate bottom plate.Interlayer is communicated with water inlet pipe 2 and outlet pipe 1；Water inlet Pipe 2 includes the epimere and hypomere that are mutually flexibly connected, and 2 epimere of water inlet pipe is connected with rotary fire grate 7,2 hypomere of water inlet pipe and stent 3 Connection, outlet pipe 1 is worn at the same time to be connected in the cavity of 2 epimere of water inlet pipe and hypomere institute corral.
As shown in Figure 1 and Figure 4, the upper surface of rotary fire grate 7 is connected with scraper plate 8, and scraper plate 8 is used to stir extradition rubbish to combustion Region is burnt, scraper plate 8 is additionally operable to scrape lime-ash.
As shown in Figure 1 and Figure 4, present invention additionally comprises ash disk 30, rotary fire grate 7 is arranged on the middle part of ash disk 30, rotation The upper end of converter row 7 is tapered in just putting.The lime-ash that burning produces is shaken off into ash disk 30 in rotation or is pushed away by rubbish Move in ash disk 30.
As shown in Figure 1 and Figure 4, the bottom of outer water-cooling wall 10 extends to the chamber portion of 30 corrals of ash disk, outer water-cooling wall 10 bottom is connected with lower collecting box 6, and lower collecting box 6 connects annular drum 16 by water screen tube, and lower collecting box 6 connects outer water-cooling wall The bottom of some water screen tubes in 10；Lower collecting box 6 is used to store the water that annular drum 16 settles down.
Charging gear is connected by connector with steam generation facility.As shown in Figure 1 and Figure 4, it is provided with charging gear For blanking and the blanking choke device 20 of closed feeding device, blanking choke device 20 includes two rolling element 20a, rolling element 20a Including roller bearing and the blade being arranged on roller bearing lateral wall, two rolling element 20a can be interrupted by blade to be engaged；When two rollings When kinetoplast 20a is rotated, two rolling element 20a are connected by vane belt and the blade interruption occlusion on two rolling element 20a. The flue gas and exhaust gas that the occlusion of two rolling element 20a blades is used to stop in charging gear outwards discharge；Two rolling element 20a The interocclusal clearance of blade is used to stop that flue gas in charging gear and smell outwards discharge, from the occlusion of blade during rubbish blanking Gap falls into the cavity of interior 13 corrals of water-cooling wall.
As shown in Figure 1, charging gear is communicated with condenser 17, condenser 17 be used to condensing after drying garbage discharge with water Exhaust gas based on steam；Condenser 17 is provided with the sewage draining exit that gained sewage is condensed for discharging, and sewage draining exit passes through pipeline connection There is treatment tank 15；Condenser 17 is provided with the exhaust outlet for discharging residual gas, exhaust outlet connection flue gas purification system 26。
As shown in Figure 1, the present invention includes stent 3, stent 3 is connected with boiler shell 12, ash disk 30 and rotary fire grate 7, Stent 3 is flexibly connected by plane bearing with rotary fire grate 7.The Power Component 4 of rotary fire grate 7 includes motor, gear reducer and biography Dynamic pair, motor via reducer and transmission driving rotary fire grate 7 rotate；Transmission includes the screw rod being connected with speed reducer drive And it is arranged on the annular tooth on 7 periphery of rotary fire grate.
The above embodiments are merely illustrative of the technical solutions of the present invention and is not limited, all without departing from the present invention Any modification of spirit and scope or equivalent substitution, it should all cover in the range of technical solution of the present invention.

Claims (10)

  1. A kind of 1. garbage burning boiler, it is characterised in that：Including boiler shell (12), burner hearth (9), charging gear, it is arranged on stove Steam generation facility in thorax (9), the auxiliary combustion equipment (29) being connected on boiler shell (12) side wall and it is arranged on boiler shell The rotary fire grate (7) of body (12) bottom；
    The steam generation facility includes the interior water-cooling wall (13) and outer water-cooling wall (10) of equal socket type, the interior water-cooling wall (13) And outer water-cooling wall (10) is provided with some water screen tubes；
    The charging gear is provided with feed opening (21), the cavity and burner hearth of water-cooling wall (13) institute corral in feed opening (21) connection (9)；
    Interior water-cooling wall (13) is arranged in the cavity of outer water-cooling wall (10) institute corral and is arranged on above rotary fire grate (7), interior water The cavity of cold wall (13) institute corral is used for garbage drying；The bottom of outer water-cooling wall (10) is less than the upper end of rotary fire grate (7), The internal diameter of outer water-cooling wall (10) is more than rotary fire grate (7) and is capable of the flame of corral rotary fire grate (7) upper end generation；
    Boiler shell (12) upper end offers exhanst gas outlet (25).
  2. A kind of 2. garbage burning boiler according to claim 1, it is characterised in that：The steam generation facility further includes together When connection in water-cooling wall (13) and the annular drum (16) of outer water-cooling wall (10) upper end；
    Annular drum (16) is internally provided with while the cavity of water-cooling wall (13) and outer water-cooling wall (10) in connecting；Feed opening (21) It is sequentially communicated cavity, the cavity and burner hearth (9) of interior water-cooling wall (13) institute corral of annular drum (16) institute corral.
  3. 3. according to a kind of any garbage burning boiler of claim 1 and 2, it is characterised in that：The interior water-cooling wall (13) Bottom be provided with interior header (27), interior header (27) passes through the annular drum of water screen tube connection.
  4. A kind of 4. garbage burning boiler according to claim 1, it is characterised in that：The bottom of the outer water-cooling wall (10) Lower collecting box (6) is connected with, lower collecting box (6) connects annular drum by water screen tube.
  5. A kind of 5. garbage burning boiler according to claim 1, it is characterised in that：The rotary fire grate (7) is provided with use Make the cavity of distribution plenum (28) and the dispelling wind pipe of rotary fire grate (7) upper surface is connected to from distribution plenum (28).
  6. A kind of 6. garbage burning boiler according to claim 5, it is characterised in that：The upper end of the rotary fire grate (7) Including fire grate panel and fire grate bottom plate, the interlayer for the cooling water that circulates is provided between fire grate panel and fire grate bottom plate；Interlayer It is communicated with water inlet pipe (2) and outlet pipe (1)；The water inlet pipe (2) includes the epimere and hypomere being flexibly connected, on water inlet pipe (2) Section is connected with rotary fire grate (7), and outlet pipe (1) while wear is connected in the cavity of water inlet pipe (2) epimere and hypomere institute corral.
  7. 7. according to a kind of any garbage burning boiler of claim 5 and 6, it is characterised in that：The rotary fire grate (7) Upper surface is connected with scraper plate (8), and scraper plate (8) is used to stir rubbish and scrapes lime-ash.
  8. A kind of 8. garbage burning boiler according to claim 1, it is characterised in that：It is provided with and is used in the charging gear Blanking and the blanking choke device (20) of closed feeding device, blanking choke device (20) include two rolling elements (20a), rolling element (20a) includes roller bearing and the blade being arranged on roller bearing lateral wall, and two rolling elements (20a) can be interrupted by blade to be engaged.
  9. 9. according to a kind of garbage burning boiler described in claim 1 and 8, it is characterised in that：The charging gear is communicated with cold Condenser (17), condenser (17) are used to condense the exhaust gas discharged after drying garbage；Condenser (17) is provided with for discharging condensation The sewage draining exit of gained sewage and the exhaust outlet for discharging residual gas.
  10. A kind of 10. garbage burning boiler according to claim 1, it is characterised in that：The exhanst gas outlet (25) is communicated with Flue gas purification system (26).
CN201711418798.1A 2017-12-25 2017-12-25 A kind of garbage burning boiler Pending CN108036329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711418798.1A CN108036329A (en) 2017-12-25 2017-12-25 A kind of garbage burning boiler

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Application Number Priority Date Filing Date Title
CN201711418798.1A CN108036329A (en) 2017-12-25 2017-12-25 A kind of garbage burning boiler

Publications (1)

Publication Number Publication Date
CN108036329A true CN108036329A (en) 2018-05-15

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CN201711418798.1A Pending CN108036329A (en) 2017-12-25 2017-12-25 A kind of garbage burning boiler

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Country Link
CN (1) CN108036329A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202166062U (en) * 2011-05-27 2012-03-14 何挺佳 Environment-friendly energy-saving combustion furnace
CN102703129A (en) * 2012-06-04 2012-10-03 上海锅炉厂有限公司 Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof
CN205048410U (en) * 2015-10-09 2016-02-24 江苏正阳锅炉有限公司 Vertical diaphragm type water pipe fuel boiler furnace
CN106918046A (en) * 2017-04-21 2017-07-04 商丘市恒盛机械制造有限公司 Refuse gasification boiler rotary grate
CN206751748U (en) * 2017-02-22 2017-12-15 安徽科达洁能股份有限公司 Radiation waste-heat boiler
CN207815342U (en) * 2017-12-25 2018-09-04 珠海市建华锅炉机械工程有限公司 A kind of garbage burning boiler

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202166062U (en) * 2011-05-27 2012-03-14 何挺佳 Environment-friendly energy-saving combustion furnace
CN102703129A (en) * 2012-06-04 2012-10-03 上海锅炉厂有限公司 Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof
CN205048410U (en) * 2015-10-09 2016-02-24 江苏正阳锅炉有限公司 Vertical diaphragm type water pipe fuel boiler furnace
CN206751748U (en) * 2017-02-22 2017-12-15 安徽科达洁能股份有限公司 Radiation waste-heat boiler
CN106918046A (en) * 2017-04-21 2017-07-04 商丘市恒盛机械制造有限公司 Refuse gasification boiler rotary grate
CN207815342U (en) * 2017-12-25 2018-09-04 珠海市建华锅炉机械工程有限公司 A kind of garbage burning boiler

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