CN107166411A - Novel nitrogen oxide burned waste gas handles waste heat integrated apparatus - Google Patents
Novel nitrogen oxide burned waste gas handles waste heat integrated apparatus Download PDFInfo
- Publication number
- CN107166411A CN107166411A CN201710444803.XA CN201710444803A CN107166411A CN 107166411 A CN107166411 A CN 107166411A CN 201710444803 A CN201710444803 A CN 201710444803A CN 107166411 A CN107166411 A CN 107166411A
- Authority
- CN
- China
- Prior art keywords
- nitrogen oxide
- integrated apparatus
- drum
- chamber
- waste heat
- 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.)
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Classifications
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- 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
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H3/00—Grates with hollow bars
- F23H3/02—Grates with hollow bars internally cooled
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
-
- 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
Waste heat integrated apparatus is handled the invention provides a kind of novel nitrogen oxide burned waste gas, belongs to Industrial Boiler Technology field.The present invention in boiler by setting water circulation contracurrent system, heat in boiler is fully utilized, simultaneously pre-add hot cell is provided with the drum on boiler, carrying out preheating to the nitrous oxides exhaust gas of required processing by pre-add hot cell can more abundant combustion reaction, heat exchanger tube is provided with preheating heating chamber, heat exchanger tube is by the heat transfer of water in boiler to tape handling nitrous oxides exhaust gas, the present invention is provided with arch membrane wall to improve the utilization rate of waste heat between drum and body of heater in addition.The present invention has capacity usage ratio high, the high advantage of security performance.
Description
Technical field
The invention belongs to Industrial Boiler field, more particularly to a kind of processing waste heat integration of novel nitrogen oxide burned waste gas
Device.
Background technology
In all kinds of chemical industries, most of technique is all the production needed for all kinds of industrial chemicals are generated by heating response
Product, in the waste that this process is produced, nitrogen oxides is a kind of tobacco with larger toxicity, if do not handled, not only can
Larger harm is produced to the workman of production, is discharged into after air, will also result in serious atmosphere pollution.
Domestic in China, the process of processing nitrogen oxides has a variety of, there is acid urea reducing process, and alkali lye spray is inhaled
Knock off skill, the alkali lye three of urea ten series connection spray absorption technique etc., investment is big accordingly for above-mentioned variousization method absorption process, operating cost
It is high.Also have in addition and nitrogen oxides is thoroughly converted to and carbon dioxide is discharged by nitrogen dioxide using burning method, still
A large amount of heat energy that burning method is produced cannot be utilized well, while in burning, nitrous oxides exhaust gas burning is still not enough filled
Point, treatment effect is undesirable.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of novel nitrogen oxide waste gas burns
Processing waste heat integrated apparatus is burnt, device processing nitrous oxides exhaust gas effect is good, and energy utilization rate is high.
The purpose of the present invention can be realized by following technical proposal：A kind of novel nitrogen oxide burned waste gas handles waste heat
Integrated apparatus, including the body of heater being made up of inner bag and shell body and the drum positioned at device top positioned at device bottom, institute
State and combustion zone and heat exchange department are provided with body of heater, the heat exchange department connects the drum；
The water pipe furnace grate of annular is provided with the combustion zone, the water pipe furnace grate, which will burn, to be partitioned into positioned at combustion zone top
Dog-house, the side of the ash accumulating chamber are offered on combustion chamber and the ash accumulating chamber positioned at combustion zone bottom, the side wall of the combustion chamber
Offered on wall and air intlet, oxygenation mouthful and nitrous oxides exhaust gas import are further opened with breast hole, the body of heater；
The heat exchange department includes the annular header being correspondingly arranged with water pipe furnace grate, and the heat exchanger tube being arranged in drum, institute
State annular header and connect the heat exchanger tube；
Pre-add hot cell, flue gas passing away and reservoir chamber are provided with the drum, the heat exchanger tube is arranged on the preheating
Interior, air enters combustion chamber, the flue gas discharge after the pre-add hot cell is preheated by the nitrous oxides exhaust gas import
Passage connects combustion chamber, and the flue gas that burning is produced is discharged by the flue gas passing away, and being provided with steam on the reservoir chamber goes out
Mouthful.
Preferably, being provided with sewage draining exit on the annular header.
Preferably, being provided with safety valve on the reservoir chamber.
Preferably, being provided with height of water level meter on the reservoir chamber.
Preferably, preheating interior is provided with air blower.
Preferably, the connection furnace wall between the drum and annular header is arch membrane wall.
The technical scheme provided by this disclosed embodiment can include the following benefits：
The present invention is provided with pre-add hot cell on the top of device, after by pre-add hot cell, cold nitrous oxides exhaust gas is preheated
Burnt into combustion chamber, make its burning more abundant；Meanwhile, the heat in heat exchange department, fire grate is provided with the present apparatus
Water can enter reservoir chamber and carry out convection circulation with the cold water in reservoir chamber, it is ensured that the service life of fire grate, in addition in reservoir chamber
Steam openings are inside provided with, the steam that device is produced can be used as other purposes, environmental protection and energy saving.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention
In figure, 1, breast hole；2nd, ash accumulating chamber；3rd, nitrogen oxides discards import；4th, water pipe furnace grate；5th, dog-house；6th, combustion chamber；7、
Oxygenation mouthful；8th, annular header；9th, macropore is seen；10th, pre-add hot cell；11st, height of water level meter；12nd, reservoir chamber；13rd, steam (vapor) outlet；
14th, flue gas passing away；15th, safety valve；16th, heat exchanger tube；17th, arch membrane wall；18th, sewage draining exit；19th, hot-air inlets；20、
Drum；21st, body of heater.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, waste heat integrated apparatus is handled the invention provides a kind of novel nitrogen oxide burned waste gas, including
Set in the body of heater 21 being made up of inner bag and shell body and the drum 20 positioned at device top positioned at device bottom, the body of heater 21
Combustion zone and heat exchange department are equipped with, the heat exchange department connects the drum 20.
Annular conduit fire grate 4 is provided with body of heater 21, annular conduit fire grate 4 is arranged at the upper position of body of heater 21, water pipe
Fire grate 4 separates the space in body of heater 21 to be formed above and below two chambers, wherein, upper chamber be combustion chamber 6, the side of combustion chamber 6
Dog-house 5 is offered on wall, dog-house 5 is used to put into fuel, and fuel is burnt in combustion chamber 6.Lower chamber is dust stratification
Gap of the dust stratification and waste residue produced after room 2, fuel combustion on water pipe furnace grate 4 is dropped into ash accumulating chamber 2, the side of ash accumulating chamber 2
Breast hole 1 is provided with wall, can be by the way that breast hole 1 is by dust stratification and gives up when the dust stratification waste residue in ash accumulating chamber 2 is stacked into a certain amount of
Slag takes out.
Oxygenation mouthful 7 is additionally provided with the side wall of combustion chamber 6, for being passed through oxygen, so as to ensure the fuel and nitrogen in burning
The abundant combustion oxidation of oxygen waste gas is converted into innocuous gas.In addition to fuel reserves and burning feelings in convenient observation combustion chamber 6
Condition, sight macropore 9 has been opened up on the side wall of combustion chamber 6, and the fuel storing in combustion chamber 6 can be intuitively found out by seeing macropore 9
Amount situation and combustion position, are easy to staff to add fuel and control oxygen to be passed through.
Offer nitrous oxides exhaust gas import 3 and hot-air inlets 19 on the side wall of ash accumulating chamber 2, nitrous oxides exhaust gas and
Hot-air can carry out upstream after certain mixing in ash accumulating chamber 2 and enter in combustion chamber 6 into burning, so that nitrogen oxides
Waste gas can obtain more preferable combustion oxidation and be converted into innocuous gas.
Nitrous oxides exhaust gas is originally the relatively low cold air of temperature, and cold air is unfavorable for combustion oxidation reaction, in order to solve this
Individual problem, the application is preheated using the waste heat that burning is produced in body of heater 21 to oxides of nitrogen gas, makes it in burning
Can preferably it react.
Specifically, the application is provided with the annular header 8 with the relative set of annular conduit fire grate 4, annular on body of heater 21
Header 8 concentrates the hot water on annular conduit fire grate 4, and can relative flow, it is ensured that fire grate integrally by thermal balance so that
Ensure the service life of annular conduit fire grate 4.
Pre-add hot cell 10, flue gas passing away 14 and reservoir chamber 12 are provided with drum 20.Flue gas passing away 14 and combustion
Burn room 6 to communicate, the sufficient flue gas of the burning in combustion chamber 6 is discharged by flue gas passing away 14.It is provided with and changes in pre-add hot cell 10
Heat pipe 16, heat exchanger tube 16 is connected with reservoir chamber 12, and reservoir chamber 12 is connected with annular header 8, in this way, so that heat exchanger tube 16,
Formd between reservoir chamber 12 and annular header 8 in the water temperature and annular header 8 in a water circulation contracurrent system, heat exchanger tube 16
Water temperature approach.Nitrous oxides exhaust gas enters behind pre-add hot cell 10, and the hot water in heat exchanger tube 16 transfers heat to heat exchanger tube 16
On, heat exchanger tube 16 is transferred heat in nitrous oxides exhaust gas, so as to complete the preheating to nitrous oxides exhaust gas.So, pass through
The heat that burning is produced in itself is preheated to nitrogen oxides, energy-saving and emission-reduction, while nitrous oxides exhaust gas is heated, can
Abundant combustion oxidation reaction, high treating effect.
For the heat preferably produced using burning, furnace wall between drum 20 and annular header 8 is arranged to by the application
Arch membrane wall 17, the heating surface area of arch membrane wall 17 is wide, the water pipe in furnace wall is absorbed the heat that burning is produced
Amount so that the converting heat of burning is more efficient.
Further, the application is provided with height of water level meter 11 on reservoir chamber 12 and is used to measure the water level in reservoir chamber 12
Highly, be also provided with steam (vapor) outlet 13 on reservoir chamber 12, the water of reservoir chamber 12 due to absorbing the heats that a large amount of burnings are produced,
Steam can be constantly produced, these steam can be drawn other purposes as production and living by steam (vapor) outlet 13.In addition, in order to
Ensure production safety, the application is provided with complete valve also on reservoir chamber 12, when steam is excessive in reservoir chamber 12, air pressure reaches one
During definite value, safety valve 15 is automatically opened up, and discharges gas, it is ensured that the safety of reservoir chamber 12.
Further, the application is provided with sewage draining exit 18 on annular header 8, and annular header 8 is water circulation contracurrent system
An important terminal, when water is constantly burnt, the incrustation scale of some calcium components can be produced, these incrustation scales can be by blowdown
Mouth 18 is discharged, so as to prevent water circulation contracurrent system from blocking.
Further, the application is provided with air blower in pre-add hot cell 10（Do not shown in figure）, air blower can be formed
Air-flow, promotes nitrous oxides exhaust gas import 3 of the nitrous oxides exhaust gas in pre-add hot cell 10 in ash accumulating chamber 2 to enter in stove and carries out
Combustion reaction.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (6)
1. a kind of novel nitrogen oxide burned waste gas handles waste heat integrated apparatus, it is characterised in that including positioned at device bottom
The body of heater being made up of inner bag and shell body and the drum positioned at device top, be provided with combustion zone and heat exchange in the body of heater
Portion, the heat exchange department connects the drum；The water pipe furnace grate of annular is provided with the combustion zone, the water pipe furnace grate will fire
Burn and be partitioned into opening up on the combustion chamber positioned at combustion zone top and the ash accumulating chamber positioned at combustion zone bottom, the side wall of the combustion chamber
Have to offer on dog-house, the side wall of the ash accumulating chamber and air intlet, oxygenation mouthful and nitrogen are further opened with breast hole, the body of heater
Oxide exhaust gas inlet；The heat exchange department includes the annular header being correspondingly arranged with water pipe furnace grate, and is arranged in drum
Heat exchanger tube, the annular header connects the heat exchanger tube；Pre-add hot cell, flue gas passing away and storage are provided with the drum
Hydroecium, the heat exchanger tube is arranged on the preheating interior, and air is after the pre-add hot cell is preheated by the nitrogen oxides
Exhaust gas inlet enters combustion chamber, and the flue gas passing away connects combustion chamber, and the flue gas produced that burns is discharged logical by the flue gas
Road is discharged, and steam (vapor) outlet is provided with the reservoir chamber.
2. novel nitrogen oxide burned waste gas according to claim 1 handles waste heat integrated apparatus, it is characterised in that institute
State and sewage draining exit is provided with annular header.
3. novel nitrogen oxide burned waste gas according to claim 1 handles waste heat integrated apparatus, it is characterised in that institute
State and safety valve is provided with reservoir chamber.
4. novel nitrogen oxide burned waste gas according to claim 1 handles waste heat integrated apparatus, it is characterised in that institute
State and height of water level meter is provided with reservoir chamber.
5. novel nitrogen oxide burned waste gas according to claim 1 handles waste heat integrated apparatus, it is characterised in that pre-
Air blower is provided with heating chamber.
6. novel nitrogen oxide burned waste gas according to claim 1 handles waste heat integrated apparatus, it is characterised in that institute
It is arch membrane wall to state the connection furnace wall between drum and annular header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444803.XA CN107166411B (en) | 2017-06-14 | 2017-06-14 | Nitrous oxides exhaust gas burning disposal waste heat integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444803.XA CN107166411B (en) | 2017-06-14 | 2017-06-14 | Nitrous oxides exhaust gas burning disposal waste heat integrated apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107166411A true CN107166411A (en) | 2017-09-15 |
| CN107166411B CN107166411B (en) | 2018-06-19 |
Family
ID=59825415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710444803.XA Active CN107166411B (en) | 2017-06-14 | 2017-06-14 | Nitrous oxides exhaust gas burning disposal waste heat integrated apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN107166411B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244325A (en) * | 1979-03-01 | 1981-01-13 | John Zink Company | Disposal of oxides of nitrogen and heat recovery in a single self-contained structure |
| CN102022739A (en) * | 2009-09-15 | 2011-04-20 | 上海煜工环保科技有限公司 | Smoke pyrolysis and gasification incineration waste treatment method and device |
| CN102338390A (en) * | 2011-07-11 | 2012-02-01 | 西安宝昱热工机电有限公司 | Direct-combustion heat-accumulating-type incineration treatment device and treatment method thereof |
| CN204756953U (en) * | 2015-06-08 | 2015-11-11 | 杭州兴源节能环保科技有限公司 | Take exhaust -heat boiler's heat accumulation formula waste gas incinerator |
| JP2015218979A (en) * | 2014-05-20 | 2015-12-07 | 宇部興産機械株式会社 | Steam boiler device |
| CN106322407A (en) * | 2016-08-31 | 2017-01-11 | 合肥恒力装备有限公司 | Waste gas incineration device and method |
-
2017
- 2017-06-14 CN CN201710444803.XA patent/CN107166411B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244325A (en) * | 1979-03-01 | 1981-01-13 | John Zink Company | Disposal of oxides of nitrogen and heat recovery in a single self-contained structure |
| CN102022739A (en) * | 2009-09-15 | 2011-04-20 | 上海煜工环保科技有限公司 | Smoke pyrolysis and gasification incineration waste treatment method and device |
| CN102338390A (en) * | 2011-07-11 | 2012-02-01 | 西安宝昱热工机电有限公司 | Direct-combustion heat-accumulating-type incineration treatment device and treatment method thereof |
| JP2015218979A (en) * | 2014-05-20 | 2015-12-07 | 宇部興産機械株式会社 | Steam boiler device |
| CN204756953U (en) * | 2015-06-08 | 2015-11-11 | 杭州兴源节能环保科技有限公司 | Take exhaust -heat boiler's heat accumulation formula waste gas incinerator |
| CN106322407A (en) * | 2016-08-31 | 2017-01-11 | 合肥恒力装备有限公司 | Waste gas incineration device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107166411B (en) | 2018-06-19 |
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