CN106168367A - A kind of boiler - Google Patents
A kind of boiler Download PDFInfo
- Publication number
- CN106168367A CN106168367A CN201610548930.XA CN201610548930A CN106168367A CN 106168367 A CN106168367 A CN 106168367A CN 201610548930 A CN201610548930 A CN 201610548930A CN 106168367 A CN106168367 A CN 106168367A
- Authority
- CN
- China
- Prior art keywords
- boiler
- burner hearth
- coal
- burner
- mud
- 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
Links
Classifications
-
- 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
- F22B31/04—Heat supply by installation of two or more combustion apparatus, e.g. of separate combustion apparatus for the boiler and the superheater respectively
- F22B31/045—Steam generators specially adapted for burning refuse
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- 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
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/101—Supplementary heating arrangements using auxiliary fuel solid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Water Supply & Treatment (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention relates to mechanical field, particularly a kind of boiler.The present invention provides a kind of boiler, comprising: burner hearth, coal burner, the bottom of described burner hearth are provided with sludge incineration room, described boiler also includes the mud material inlet being positioned at described upper furnace, and described coal burner is positioned in the middle part of described burner hearth.In the boiler of the present invention, the bottom of described burner hearth is provided with combustor, and described boiler also includes the mud material inlet being positioned at described upper furnace, and described coal burner is positioned in the middle part of described burner hearth, mud is through preheating reduction water content, it is possible to make mud sufficiently burn in combustor.
Description
Technical field
The present invention relates to mechanical field, particularly a kind of boiler.
Background technology
Developing rapidly along with industrial, industrial wastewater and urban domestic wastewater total amount grow with each passing day.These printing and dyeing are useless
Water all has to pass through after pretreatment reaches pipe requirement, then through sewage treatment plant focus on up to standard after discharge.But, these are dirty
Water, while the deep purifying obtaining primary pretreatment and Sewage Plant processes, can produce substantial amounts of mud, occur in that " mud encloses
City " phenomenon;These mud not only moisture content is high and volume big, and the various poisonous and harmful substances of concentration, as can not get safety
Dispose, not only directly influence the properly functioning of sewage treatment plant, and surrounding enviroment can be caused secondary pollution.
In prior art, the method for domestic and international Treatment of Sludge and disposal is a lot, typically uses concentrations, digests, is dehydrated, does
Change, effectively utilize (the most agricultural), fill and different process, the method for disposal such as burning, or by wherein certain several method group
Close and dispose.
In prior art, it is low generally to there is the efficiency of combustion to mud in major part incinerator, and sludge incineration is insufficient.
Summary of the invention
Present invention aim at providing a kind of boiler, it is possible to sufficiently burn mud.
For reaching above-mentioned advantage, the present invention provides a kind of boiler, comprising: burner hearth, coal burner, the bottom of described burner hearth
Being provided with combustor, described boiler also includes the mud material inlet being positioned at described upper furnace, and described coal burner is positioned at described
In the middle part of burner hearth.
In an embodiment of the boiler of the present invention, described combustor is by sludge incineration portion, blast cap, air distribution plate, air compartment
Form with ash tube.
In an embodiment of the boiler of the present invention, described mud material inlet connects with screw(-type) feeder.
In an embodiment of the boiler of the present invention, below described coal burner, it is provided with temperature collecting device.
In an embodiment of the boiler of the present invention, described air compartment connects with aerator.
In an embodiment of the boiler of the present invention, described boiler also includes controller.
In an embodiment of the boiler of the present invention, described controller is given with described temperature collecting device, described spiral
Material machine, described aerator, described coal burner electrically connect.
In an embodiment of the boiler of the present invention, described coal burner is for described burner hearth internal injection air
Or oxygen, coal dust, and firing coal-dust.
In an embodiment of the boiler of the present invention, described boiler also includes back-end surfaces, described back-end surfaces
Connect with described burner hearth.
In the boiler of the present invention, the bottom of described burner hearth is provided with combustor, and described boiler also includes being positioned at described upper furnace
Mud material inlet, described coal burner is positioned in the middle part of described burner hearth, mud through preheat reduction water content, light after-burning
Burn, it is possible to sufficiently burn mud.
Accompanying drawing explanation
Fig. 1 show the structural representation of the boiler of first embodiment of the invention.
Fig. 2 show the structural representation of the boiler of second embodiment of the invention.
Detailed description of the invention
By further illustrating the technological means and effect that the present invention taked by reaching predetermined goal of the invention, below in conjunction with
Accompanying drawing and preferred embodiment, propose detailed description of the invention, structure, feature and effect thereof to according to the present invention, after describing in detail such as.
Fig. 1 show the structural representation of the boiler of first embodiment of the invention.Refer to Fig. 1, the boiler bag of the present invention
Include mud material inlet 1, burner hearth 2, coal burner 3, combustor 4, heated surface at the end of boiler 10.
Mud material inlet 1 is positioned at burner hearth 2 top, and coal burner 3 is positioned at the lower section of mud material inlet 1 in the middle part of burner hearth 2, combustion
Burning room 4 and be positioned at burner hearth 2 bottom, heated surface at the end of boiler 10 is internal with burner hearth 2 to be connected.
Coal burner 3 is for injecting air or oxygen, coal dust, and firing coal-dust to burner hearth inside.
Combustor 4 is made up of sludge incineration portion 5, blast cap 6, air distribution plate 7, air compartment 8 and ash tube 9.5, sludge incineration portion
In the bottom of burner hearth, sludge incineration portion 5 is used for the mud that burns, and air distribution plate 7 is positioned at below sludge incineration portion 5, and blast cap 6 is positioned at cloth wind
Above plate 7, air compartment 8 is positioned at below air distribution plate 7, and ash tube 9 is positioned at below sludge incineration portion 5 and connects with inside, sludge incineration portion 5
Logical.Blast cap 6, air distribution plate 7, air compartment 8 are for providing, for sludge incineration portion 5, the oxygen or air that burning mud is necessary.Ash tube 9 is used
Sludge residue after burning in discharging sludge incineration portion 5.
For oxygen concentration enough in ensureing sludge incineration portion 5, air compartment 8 can be connected with aerator.
The process of the present invention is as follows:
To the internal air or oxygen that injects of burner hearth, startup coal burner 3 combusting coal fines.
Coal burner 3 produces high temperature for combusting coal fines, the coal dust of coal burner 3 burning when burning in burner hearth 2
Flue gas formed a high temperature temperature field.Mud can be by the high temperature of coal dust firing during falling after entering burner hearth 2
Preheating of flue gas, is raised by pre-warmed mud temperature, the moisture evaporation in mud.The flue gas of high temperature preheats mud
Mud lighted by coal burner 3 and combustor 4 burning sludge lays the foundation.
Mud falls near coal burner 3, and preheated mud is lighted by coal burner 3.
Ignited mud is fallen and is burnt on air distribution plate 7, and air is blown into air distribution plate 7 air compartment 8 below by aerator,
Combustor 5 auxiliary combustion is entered again through blast cap 6 above.
The ash produced after burning discharges out of the furnace from ash tube 9.
Back-end surfaces 10 is heat exchanger, and the flue gas produced after coal dust and sludge incineration enters into afterbody from burner hearth 2 top
Heating surface 10, adds the water in back-end surfaces 10, after the water added in back-end surfaces 10 can being heated to the steam of certain parameter
It is then exhausted from.
The present invention finally can realize coal dust and fire in the mixing of the burning Indoor Combustion of bottom at upper furnace chamber inner combustion, mud
Burning mode.And the steam produced by this combustion system carries out heat exchange, it is made to become the steam of certain parameter water heating.
In above-mentioned boiler, mud is through preheating reduction water content, lighting after-combustion.
The heat (calorific value) produced due to water content and the burning of mud is unstable, must remain the highest in burner hearth
Temperature can ensure the sustained combustion of mud.In order to reduce the consumption of coal dust while ensureing sludge incineration efficiency,
The present invention proposes embodiment two, and Fig. 2 show the structural representation of the boiler of second embodiment of the invention.Refer to Fig. 2, this
The boiler of embodiment is similar to the structure of the boiler of first embodiment and principle, and the difference of the two is:
Mud material inlet 1 connects with screw(-type) feeder 1a, is provided with temperature collecting device 3a, air compartment 8 and drum below coal burner 3
Blower fan 8a connects, and boiler also includes controller 100, controller 100 and temperature collecting device 3a, screw(-type) feeder 1a, coal dust combustion
Burner 3, aerator 8a electrically connect.
The temperature information that controller 100 is gathered by temperature collecting device 3a, it can be determined that whether mud is ignited, and lights
Very big with unlit mud temperature difference, the mud temperature lighted is usually 500 ~ 850 degrees Celsius and unlit mud
Less than 400 degrees Celsius.
When the temperature information that temperature collecting device 3a gathers is higher than when setting threshold value, and controller 100 controls screw(-type) feeder
1a increases rotating speed, and the coal dust injection rate of coal burner 3 reduces.
When the temperature information that temperature collecting device 3a gathers is less than when setting threshold value, and controller 100 controls screw(-type) feeder
1a reduces rotating speed, and the coal dust injection rate of coal burner 3 increases, and aerator 8a rotating speed increases.
Other parts of the present embodiment are identical with the structure of the boiler of first embodiment and principle, do not do at this and repeat to go to live in the household of one's in-laws on getting married
State.
In other embodiments of the invention, the quantity of mud material inlet is multiple, such mud and the table of smoke contacts
Area increases, the beneficially evaporation of the moisture in mud, and the surface area that mud contacts with air or oxygen simultaneously increases, and is conducive to dirt
Mud is lighted and burns.
In other embodiments of the invention, the quantity of coal burner is multiple, and coal burner is the most uniform
Arrange around burner hearth.
In other embodiments of the invention, the flue gas produced after coal dust and sludge incineration enters air after desulfurization.
To sum up, the boiler of the present invention at least has the advantage that
In the boiler of the present invention, the bottom of described burner hearth is provided with combustor, and described boiler also includes being positioned at described upper furnace
Mud material inlet, described coal burner is positioned in the middle part of described burner hearth, mud through preheat reduction water content, light after-burning
Burn, it is possible to sufficiently burn mud.
In one embodiment of the invention, when the temperature information that temperature collecting device gathers is higher than when setting threshold value, control
Device processed controls screw(-type) feeder and increases rotating speed, and the coal dust injection rate of coal burner reduces;When the temperature that temperature collecting device gathers
Degree information is less than when setting threshold value, and controller controls screw(-type) feeder and reduces rotating speed, and the coal dust injection rate of coal burner increases,
Blower speed increases.The consumption of coal dust is reduced while ensure that sludge incineration efficiency.
In one embodiment of the invention, the flue gas produced after coal dust and sludge incineration enters into tail from burner hearth 2 top
Portion's heating surface, adds the water in back-end surfaces, arranges after the water added in back-end surfaces can being heated to the steam of certain parameter again
Go out, the problem solving heat recovery.
Above, it is only presently preferred embodiments of the present invention, not the present invention is made any pro forma restriction, although this
Invent disclosed above with preferred embodiment, but be not limited to the present invention, any those skilled in the art,
In the range of technical solution of the present invention, when the technology contents of available the disclosure above makes a little change or is modified to equivalent
The Equivalent embodiments of change, as long as being that the technical spirit of the foundation present invention is to above real without departing from technical solution of the present invention content
Execute any simple modification, equivalent variations and modification that example is made, all still fall within the range of technical solution of the present invention.
Claims (10)
1. a boiler, comprising: burner hearth (2), coal burner (3), the bottom of described burner hearth (2) are provided with combustor (4), its
Being characterised by, described boiler also includes the mud material inlet (1) being positioned at described burner hearth (2) top, described coal burner (3) position
In described burner hearth (2) middle part.
Boiler the most according to claim 1, it is characterised in that: described combustor (4) is by sludge incineration portion (5), blast cap
(6), air distribution plate (7), air compartment (8) and ash tube (9) composition.
Boiler the most according to claim 2, it is characterised in that: described mud material inlet (1) is with screw(-type) feeder (1a) even
Logical.
Boiler the most according to claim 3, it is characterised in that: described coal burner (3) lower section is provided with temperature acquisition dress
Put (3a).
Boiler the most according to claim 4, it is characterised in that: described air compartment (8) connects with aerator.
Boiler the most according to claim 5, it is characterised in that: described boiler also includes controller (100).
Boiler the most according to claim 6, it is characterised in that: described controller (100) and described temperature collecting device
(3a), described screw(-type) feeder (1a), described air blast coal burner dynamo-electric, described (3) connect.
Boiler the most according to claim 7, it is characterised in that: described coal burner (3) is in described burner hearth (2)
Air or oxygen, coal dust, and firing coal-dust inject in portion.
Boiler the most according to claim 8, it is characterised in that: described boiler also includes back-end surfaces (10), described tail
Portion's heating surface (10) connects with described burner hearth (2).
Boiler the most according to claim 9, it is characterised in that: described back-end surfaces (10) is heat exchanger.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2016103058395 | 2016-05-10 | ||
CN201610305839 | 2016-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106168367A true CN106168367A (en) | 2016-11-30 |
Family
ID=58065921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610548930.XA Pending CN106168367A (en) | 2016-05-10 | 2016-07-13 | A kind of boiler |
Country Status (1)
Country | Link |
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CN (1) | CN106168367A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109341075A (en) * | 2018-08-24 | 2019-02-15 | 芜湖鸣人热能设备有限公司 | A kind of net mud boiler of environmental protection |
-
2016
- 2016-07-13 CN CN201610548930.XA patent/CN106168367A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109341075A (en) * | 2018-08-24 | 2019-02-15 | 芜湖鸣人热能设备有限公司 | A kind of net mud boiler of environmental protection |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161130 |