CN106907850A - A kind of semi-coke Industrial Boiler for efficiently carrying denitration - Google Patents
A kind of semi-coke Industrial Boiler for efficiently carrying denitration Download PDFInfo
- Publication number
- CN106907850A CN106907850A CN201710145241.9A CN201710145241A CN106907850A CN 106907850 A CN106907850 A CN 106907850A CN 201710145241 A CN201710145241 A CN 201710145241A CN 106907850 A CN106907850 A CN 106907850A
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- China
- Prior art keywords
- temperature
- semi
- denitration
- coke
- combustion chamber
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/34—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water chamber arranged adjacent to the combustion chamber or chambers, e.g. above or at side
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/04—Blast-producing apparatus before the fire by induction of air for combustion, e.g. using steam jet
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a kind of semi-coke Industrial Boiler for efficiently carrying denitration, it is related to combustion field.The present invention includes giving wind air compartment, the elevated-temperature seal combustion chamber communicated with to wind air compartment, to split and be inclined to the high inclination-angle fixed grate on wind air compartment top to wind air compartment and elevated-temperature seal combustion chamber, with elevated-temperature seal combustion chamber and it is arranged at the feeder channel of high inclination-angle fixed grate eminence one end, the hopper being connected with feeder channel, incline the chimney arch located at elevated-temperature seal combustion chamber top, it is arranged at multiple high-temperature flue gas outlets of chimney arch front end, the equal mixing chamber of high temperature for being connected with high-temperature flue gas outlet respectively, the high-temperature flue gas heat exchange outlet being connected with the equal mixing chamber of high temperature, connected with the equal mixing chamber of high temperature and to the denitration shower nozzle entrance of the equal mixing chamber insertion denitration shower nozzle of high temperature, the heat transmission equipment for passing through high-temperature flue gas heat exchange outlet with the equal mixing chamber of high temperature.The present invention solves combustion of the semi-coke in Industrial Boiler not to the utmost, oxynitride discharge problem high.
Description
Technical field
The present invention relates to combustion field, and in particular to a kind of semi-coke Industrial Boiler for efficiently carrying denitration.
Background technology
Semi-coke is that a kind of semicoke that low temperature distillation technology is obtained in is produced with Jurassic Period non caking coal and weakly caking coal as raw material
Product, with volatile matter it is low, fixed carbon is high, ash content is low, ratio resistance is high, stomata is more the features such as.It is mainly used in the reducing agent of ferroalloy
With production calcium carbide field, current chemical fertilizer factory, the primary raw material of Metallurgical Factory's early stage.Main producing region is in Shanxi, the Inner Mongol, Ningxia, Shaanxi
The boundary area of four provinces and regions, yield is huge.At present, semi-coke as Industrial Boiler fuel, consumption is seldom, existing with coal Industrial Boiler
Some high-quality thermal coal fuel is compared, and quite, price advantage is obvious for the caloric value of semi-coke.SO of the semi-coke after burning in boiler2
Discharge capacity is small, there is obvious superiority in terms of air environmental protection.Also by some regional environmental administrations as clean fuel, energetically
Promote.But there is also the problems such as burning-point is high, burn difficult, dust emissions amount is big.
Though the market of semi-coke boiler is big, being summed up mainly has two kinds：It is a kind of to be developed by " industrial coal powder boiler "
" semi-coke coal-powder boiler ", another kind be by chain grate boiler develop and come semi-coke boiler.
Because semi-coke volatile matter is very low, fixed carbon content is high, burning-point is high.Although semi-coke can meet coal dust industry compared with caloric value
The coal quality requirements of boiler, and relatively low volatile matter and burning-point higher so that burning of the semi-coke in " industrial coal powder boiler ", it is right
" industrial coal powder boiler " has heat and the fire environment of catching fire very rambunctious.The burning-point in burner is there is rearward, to catch fire
Regional temperature is low and semi-coke incomplete combustion.The carbon yield of semi-coke ash is up to more than 57%, at boiler exhaust gas dedusting below
Reason brings very big workload, and oxynitride discharge is high.
Another semi-coke boiler be by traveling-grate stoker coal-fired boiler reform, according to the characteristic of semi-coke, its design concept
It is to strengthen each air compartment air pressure air flow, chimney arch after boiler is forced down in lengthening, the reflection angle of chimney arch before changing.There is high-temperature flue gas stream
Journey is short, burns insufficient, and oxynitrides is high, the problems such as fire grate bearing temperature is high.
At present, finding one kind makes semi-coke burn fully, and soot emissions are few, and oxynitrides is low, and boiler plant fault rate is low
Semi-coke boiler.To environment to significant using unit reduction operating cost.
The content of the invention
The technical problems to be solved by the invention are to provide the boiler that can purify burning semi-coke；Aim to solve the problem that semi-coke in work
Not to the utmost, oxynitride discharge is high for combustion in industry boiler, and equipment is cumbersome huge, and equipment failure rate is high, and boiler hearth temperature is low, cigarette
Gas smoke discharge amount is big, the efficient semi-coke boiler of the defect such as operating cost is high.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of semi-coke work for efficiently carrying denitration
Industry boiler, it is characterised in that：Including giving wind air compartment, the elevated-temperature seal combustion chamber communicated with to wind air compartment will be to wind air compartment and height
Warm sealed combustion chamber is split and is inclined to the high inclination-angle fixed grate on wind air compartment top, with elevated-temperature seal combustion chamber
And the feeder channel of high inclination-angle fixed grate eminence one end is arranged at, the hopper being connected with feeder channel is inclined close located at high temperature
The chimney arch on combustion chamber top is sealed, multiple high-temperature flue gas outlets of chimney arch front end are arranged at, connected with high-temperature flue gas outlet respectively
The equal mixing chamber of high temperature, the high-temperature flue gas heat exchange outlet being connected with the equal mixing chamber of high temperature, connects and to high temperature with the equal mixing chamber of high temperature
Equal mixing chamber inserts the denitration shower nozzle entrance of denitration shower nozzle, with the equal mixing chamber of high temperature changing by high-temperature flue gas heat exchange outlet
Hot equipment.
Further technical scheme is：The elevated-temperature seal combustion chamber is provided with flame-observing hole.
Further technical scheme is：The hopper lower section is provided with semi-coke by hydraulic oil cylinder driving push pedal in feeder channel
The hydraulic pressure charging gear of middle push-in elevated-temperature seal combustion chamber.
Further technical scheme is：The equal air distribution plate set to wind air compartment inside, outside sets and provides wind-force
Frequency conversion air blower.
Further technical scheme is：Elevated-temperature seal combustion chamber surrounding is provided with fire prevention aqueous vapor wall.
Further technical scheme is：The heat transmission equipment includes water-cooling wall heat pipe and is located at water-cooling wall heat pipe two ends
And the drum communicated with water-cooling wall heat pipe.
Further technical scheme is：The fire grate cover plate lower section of the high inclination-angle fixed grate is provided with water pipe, in water pipe
Portion is connected with the water circulation system of heat transmission equipment.
Further technical scheme is：The high inclination-angle fixed grate top is provided with even distributing wind, does not descend escape of fuel
Fixed row's uptake angle cover plate.
Further technical scheme is：The denitration shower nozzle is the denitrification apparatus for being provided with injection urea solution.
It is using the beneficial effect produced by above-mentioned technical proposal：Solve combustion of the semi-coke in Industrial Boiler not to the utmost, nitrogen
Oxygen compound discharge is high, and equipment is cumbersome huge, and equipment failure rate is high, and boiler hearth temperature is low, and flue gas smoke discharge amount is big, operation
The efficient semi-coke boiler of the defect such as cost is high.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1-3 is schematic structural view of the invention；
Wherein:1st, hopper；2nd, hydraulic pressure charging gear；3rd, wind air compartment is given；4th, high inclination-angle fixed grate；5th, fixed row's uptake
Angle cover plate；6th, flame-observing hole；7th, high temperature is sealed combustion chamber；8th, chimney arch；9th, high-temperature flue gas outlet；10th, the equal mixing chamber of high temperature；11、
High-temperature flue gas heat exchange outlet；12nd, denitration shower nozzle entrance；13rd, heat transmission equipment；14th, water-cooling wall heat pipe；15th, drum；16th, flue gas row
Put mouth.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with
Other manner described here is different from using other to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As Figure 1-3, disclosure sets forth a kind of semi-coke Industrial Boiler for efficiently carrying denitration, it is characterised in that：Bag
Include to wind air compartment 3, the elevated-temperature seal combustion chamber 7 communicated with to wind air compartment 3 will be split to wind air compartment 3 with elevated-temperature seal combustion chamber 7
And be inclined to the high inclination-angle fixed grate 4 on the top of wind air compartment 7, connected with elevated-temperature seal combustion chamber 7 and be arranged at and inclined greatly
The feeder channel of the eminence one end of angle fixed grate 4, the hopper 1 being connected with feeder channel is inclined on elevated-temperature seal combustion chamber 7
The chimney arch 8 in portion, is arranged at multiple high-temperature flue gas outlets 9 of the front end of chimney arch 8, equal with the high temperature that high-temperature flue gas outlet 9 is connected respectively
Mixing chamber 10, the high-temperature flue gas heat exchange outlet 11 being connected with the equal mixing chamber 10 of high temperature, connects and to height with the equal mixing chamber 10 of high temperature
Warm mixing chamber 10 inserts the denitration shower nozzle entrance 12 of denitration shower nozzle, is exchanged heat by high-temperature flue gas with the equal mixing chamber 10 of high temperature and exported
The heat transmission equipment 13 of 11 connections.
Preferably, the elevated-temperature seal combustion chamber 7 is provided with flame-observing hole.
Preferably, to be provided with by hydraulic oil cylinder driving push pedal that in feeder channel push semi-coke high temperature close by the lower section of the hopper 1
Seal the hydraulic pressure charging gear 2 of combustion chamber 7.
Preferably, it is described to be provided with outside wind air compartment 3 to elevated-temperature seal combustion chamber 7 provide wind-force frequency conversion air blower and
Inside is provided with equal air distribution plate.
Preferably, the surrounding of elevated-temperature seal combustion chamber 7 is provided with fire prevention aqueous vapor wall.
Preferably, the heat transmission equipment 13 includes water-cooling wall heat pipe 14 and is located at the two ends of water-cooling wall heat pipe 14 and and water-cooled
The drum 15 that wall heat pipe 14 is communicated.
Preferably, the fire grate cover plate lower section of the high inclination-angle fixed grate 4 is provided with water pipe, water pipe inside and heat transmission equipment 13
Water circulation system be connected.
Preferably, the top of the high inclination-angle fixed grate 4 is provided with even distributing wind, does not descend the fixed row windward bicker of escape of fuel
Degree cover plate 5.
Preferably, the denitration shower nozzle is the denitrification apparatus for being provided with injection urea solution.
The present invention advances high temperature on demand after semi-coke enters and efficiently carries denitration semi-coke boiler hopper through hydraulic pressure charging gear
It is sealed in combustion chamber, after dropping down onto on high inclination-angle fixed grate, is ignited after semi-coke with timber etc., frequency conversion air blower is by giving wind wind
Room, then by the air port on high inclination-angle fixed grate, send oxygen to be sealed combustion chamber to high temperature in right amount.Because elevated-temperature seal combustion chamber is envelope
Close formula, with the progressively increasing for sending oxygen amount, its indoor temperature is stepped up.The temperature of periphery fire prevention aqueous vapor wall and chimney arch also exists
Raise simultaneously, part high-temperature flue gas are overflowed naturally by high-temperature flue gas outlet.When the temperature in burner hearth is raised to more than 800 DEG C, after
It is continuous to increase air blast, and gradually open air-introduced machine.A burner hearth is set to be in micro-vacuum state all the time.
When the temperature that high temperature is sealed combustion chamber gradually rises again, coordinate the feeding of hydraulic pressure charging gear, rouse matching somebody with somebody for air inducing
Conjunction makes semi-coke be put into a hot environment rapidly, and the burning-point of semi-coke has been exceeded because of the temperature on semi-coke periphery, and semi-coke is only
Volatile matter is quickly separated out and participates in burning.
Burn high-temperature flue gas equal by the high temperature mixing chamber for producing when, denitration shower nozzle is stretched into by denitration porch,
The spray angle of denitration shower nozzle is adjusted to sector, makes all high-temperature flue gas come from the equal mixing chamber of high temperature, by fan-shaped cloudy surface, then
Heat transmission equipment is entered by high-temperature flue gas heat exchange outlet, the escaping of ammonia is reduced to greatest extent.Because the temperature of the equal mixing chamber of high temperature exists
930 DEG C or so, temperature needed for denitration is especially suitable for, denitration effect is ideal.
Claims (9)
- It is 1. a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：Including giving wind air compartment, communicated with to wind air compartment Elevated-temperature seal combustion chamber, will split and be inclined to the high inclination-angle on wind air compartment top to wind air compartment and elevated-temperature seal combustion chamber Fixed grate, with elevated-temperature seal combustion chamber and is arranged at the feeder channel of high inclination-angle fixed grate eminence one end, with feed Channel attached hopper, inclines the chimney arch located at elevated-temperature seal combustion chamber top, is arranged at multiple high-temperature flue gas of chimney arch front end Outlet, the equal mixing chamber of high temperature for being connected with high-temperature flue gas outlet respectively, the high-temperature flue gas being connected with the equal mixing chamber of high temperature exchange heat out Mouthful, connected with the equal mixing chamber of high temperature and to the denitration shower nozzle entrance of the equal mixing chamber insertion denitration shower nozzle of high temperature, mixed with high temperature The heat transmission equipment that room passes through high-temperature flue gas heat exchange outlet.
- It is 2. according to claim 1 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：The high temperature is close Envelope combustion chamber is provided with flame-observing hole.
- It is 3. according to claim 1 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：Under the hopper Side is provided with the hydraulic pressure charging gear that semi-coke is pushed elevated-temperature seal combustion chamber by hydraulic oil cylinder driving push pedal in feeder channel.
- It is 4. according to claim 1 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：It is described to give wind wind The equal air distribution plate that chamber interior is set, outside sets the frequency conversion air blower for providing wind-force.
- It is 5. according to claim 1 and 2 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：The height Warm sealed combustion chamber surrounding is provided with fire prevention aqueous vapor wall.
- It is 6. according to claim 1 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：The heat exchange sets It is standby to include water-cooling wall heat pipe and be located at water-cooling wall heat pipe two ends and the drum communicated with water-cooling wall heat pipe.
- It is 7. according to claim 1 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：The high inclination-angle The fire grate cover plate lower section of fixed grate is provided with water pipe, and water pipe inside is connected with the water circulation system of heat transmission equipment.
- 8. a kind of according to claim 1 or 7 efficiently carries the semi-coke Industrial Boiler of denitration, it is characterised in that：It is described big Inclination angle fixed grate top is provided with even distributing wind, does not descend fixed row's uptake angle cover plate of escape of fuel.
- It is 9. according to claim 1 a kind of efficiently to carry the semi-coke Industrial Boiler of denitration, it is characterised in that：The denitration spray Head sprays the denitrification apparatus of urea solution to be provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145241.9A CN106907850A (en) | 2017-03-13 | 2017-03-13 | A kind of semi-coke Industrial Boiler for efficiently carrying denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710145241.9A CN106907850A (en) | 2017-03-13 | 2017-03-13 | A kind of semi-coke Industrial Boiler for efficiently carrying denitration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106907850A true CN106907850A (en) | 2017-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710145241.9A Pending CN106907850A (en) | 2017-03-13 | 2017-03-13 | A kind of semi-coke Industrial Boiler for efficiently carrying denitration |
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| CN (1) | CN106907850A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006613A (en) * | 2017-11-20 | 2018-05-08 | 河北约翰节能设备科技有限公司 | Reduce the air supply device and method of boiler discharged nitrous oxides total amount |
| CN110906318A (en) * | 2019-12-06 | 2020-03-24 | 湖南省农友机械集团有限公司 | Rice husk combustion furnace |
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| CN2159821Y (en) * | 1992-08-19 | 1994-03-30 | 李书伟 | Precipitation filter complex function regenerating salt liquid box |
| CN102500219A (en) * | 2011-11-10 | 2012-06-20 | 无锡迅德环保科技有限公司 | Denitrification system and method for industrial furnace or kiln |
| CN105003911A (en) * | 2015-08-05 | 2015-10-28 | 冯之军 | Biomass furnace and device for removing nitric oxide in same |
| CN106196013A (en) * | 2016-07-30 | 2016-12-07 | 史默迪 | Use the pluralities of fuel high-temperature gasification boiler of reducing process denitration |
| CN106479548A (en) * | 2015-08-28 | 2017-03-08 | 李宽义 | Coal base high efficiency of energy cleaning becomes more meticulous using environment-protecting clean method |
-
2017
- 2017-03-13 CN CN201710145241.9A patent/CN106907850A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159821Y (en) * | 1992-08-19 | 1994-03-30 | 李书伟 | Precipitation filter complex function regenerating salt liquid box |
| CN102500219A (en) * | 2011-11-10 | 2012-06-20 | 无锡迅德环保科技有限公司 | Denitrification system and method for industrial furnace or kiln |
| CN105003911A (en) * | 2015-08-05 | 2015-10-28 | 冯之军 | Biomass furnace and device for removing nitric oxide in same |
| CN106479548A (en) * | 2015-08-28 | 2017-03-08 | 李宽义 | Coal base high efficiency of energy cleaning becomes more meticulous using environment-protecting clean method |
| CN106196013A (en) * | 2016-07-30 | 2016-12-07 | 史默迪 | Use the pluralities of fuel high-temperature gasification boiler of reducing process denitration |
Non-Patent Citations (1)
| Title |
|---|
| 毛志伟: "《氮氧化物减排》", 30 August 2014, 中国建材工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006613A (en) * | 2017-11-20 | 2018-05-08 | 河北约翰节能设备科技有限公司 | Reduce the air supply device and method of boiler discharged nitrous oxides total amount |
| CN110906318A (en) * | 2019-12-06 | 2020-03-24 | 湖南省农友机械集团有限公司 | Rice husk combustion furnace |
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Application publication date: 20170630 |