CN108771939A - A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling - Google Patents
A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling Download PDFInfo
- Publication number
- CN108771939A CN108771939A CN201810720440.2A CN201810720440A CN108771939A CN 108771939 A CN108771939 A CN 108771939A CN 201810720440 A CN201810720440 A CN 201810720440A CN 108771939 A CN108771939 A CN 108771939A
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- coal
- flue dust
- waste heat
- burning boiler
- minimum discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The present invention discloses a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, and the coal-burned industrial boilers majority such as current thermoelectricity uses wet fuel gas desulfurizing technology, the soot emissions containing steam of large-scale coal-burning utilities boiler to be still the main contributor of atmosphere pollution.A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling of the present invention, centered on the relatively low smoke outlet of wet desulphurization treatment process coal-burning boiler connection, build an arc flue gas condensing cover in top, make the flue dust of mixing containing steam through the Water-cooled screw waste heat recovery pipe battle array under condensing cover of deploying to ensure effective monitoring and control of illegal activities, Reverse Step formula total heat recovery thermal energy, process high-temperature-hot-water, flue dust cools through multilayer condensing cover in specific channel, water mist condenses into condensed water under condensing cover marginal flow, collection and uniform disposal after solids is collected with condensate return in flue dust, residual smoke is using the electronics negative oxygen ion device for reducing dust for being placed in flue gas condensing cover top layer, coal-burning boiler flue dust is set to realize minimum discharge.
Description
Technical field
The invention belongs to thermoelectricity field, the coal-burning boiler flue dust minimum discharge more particularly to a kind of recycling of efficient waste heat is set
It applies.
Background technology
The coal-burned industrial boilers majority such as current thermoelectricity forces the wet fuel gas desulfurizing technology of oxidation using lime stone, large-scale
The soot emissions of coal-burning utilities boiler are still the main contributor of atmosphere pollution, and cause the main member of haze air pollution
It is fierce.The production technology of novel coal-fired boiler makes traditional chimney lose the original cigarette that puts a chimney on the stove and make the fire draw completely, improves burning condition
Major function, allowed pollution far from high-altitude oneself is drained into, be the main function of current high-altitude chimney.
Invention content
Present invention mainly solves the technical issues of, be to provide a kind of coal-burning boiler flue dust minimum discharge of efficient waste heat recycling
Facility, the high altitude discharge chimney of dismountable original boiler, realizes the smoke contamination minimum discharge of efficient waste heat recycling.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of coal-burning boiler of efficient waste heat recycling
Flue dust minimum discharge facility, centered on the relatively low smoke outlet of wet desulphurization treatment process coal-burning boiler connection, top builds one
Arc flue gas condensing cover makes the flue dust of mixing containing steam through the Water-cooled screw waste heat recovery pipe battle array under condensing cover of deploying to ensure effective monitoring and control of illegal activities, inversely
Staged total heat recovery thermal energy processes high-temperature-hot-water, and flue dust cools through multilayer condensing cover in specific channel, and water mist is solidifying
Form condensed water under condensing cover marginal flow, collection and uniform disposal after solids is collected with condensate return in flue dust, remaining cigarette
Dirt makes coal-burning boiler flue dust realize minimum discharge using the electronics negative oxygen ion depositing dust battle array for being placed in flue gas condensing cover top layer.
A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, fires in wet desulphurization treatment process
Coal burning boiler smoke outlet containing steam, builds the arc cooling dome of a multilayer stainless steel materials structure, and high-temperature steam flue dust is cooled down in bottom
The space ascension of the support perimeter of cover is passed through into even numbers layer cooling dome at even numbers layer cooling dome central opening, into bottom
The similar singular third layer of layer structure, with principle in the space ascension of the support perimeter of three layers of cooling dome, when practical application answers root
According to coal-burning boiler power and discharge index requirement, the cooling dome of the different numbers of plies and volume is set.
The coal-burning boiler flue dust minimum discharge facility of a kind of efficient waste heat recycling, repeatedly by cooling layer cooling
At the intermediate openings of even numbers layer negative ion generating device is arranged, after dust removal and filtration again, with ultralow in the steam flue dust of reason
Contamination index discharges to ambient atmosphere.
The coal-burning boiler flue dust minimum discharge facility of a kind of efficient waste heat recycling, under every layer of cooling layer
Portion deploys to ensure effective monitoring and control of illegal activities the helical form waste heat recovery pipe battle array being made of metal water supply pipe, and the series connection of multi-layer spiral waste heat recovery pipe battle array connects
It connects, inversely forming step temperature with flue dust ascension direction rises full waste-heat recovery device, makes in pipe low temperature tap water through efficient heat exchange
Go out production or life high-temperature-hot-water.
The beneficial effects of the invention are as follows：
1, a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, changes the structure work of former high-altitude chimney structure
Skill realizes the ultralow smoke contamination discharge of coal-burning boiler.
2, a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, reduces the flue dust thermal pollution of coal-burning utilities
Discharge makes boiler afterheat obtain high efficiency full heat recycling.
Description of the drawings
Fig. 1 is a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, and four layers of cooling dome embodiment are cross-sectional
Face principle schematic diagram.
Fig. 2 is a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, top view principle schematic diagram.
Fig. 3 is a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, and flue dust moves towards principle schematic.
Fig. 4 is a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, the spiral of water supply pipe composition
Shape waste heat recovery pipe battle array is connected in series with structural schematic diagram.
The label of each component is as follows in attached drawing：1, Horizon；2, a layers of cooling dome；3, b layers of cooling dome；4, c layers of cooling dome；5,d
Layer cooling dome；6, anion electronic dust-extraction unit；7, exhanst gas outlet；8, b helical layers shape waste heat recovery pipe battle array；9, c helical layers shape
Waste heat recovery pipe battle array；10, d helical layers shape waste heat recovery pipe battle array；11, pillar；12, fixed bracing wire；13, flue；14, flue gas
Interior import；15, holder；16, flue gas traffic direction instruction 17, the outer import of flue gas；18, waste heat recovery water out；19, waste heat recovery
Water inlet；20, waste heat recovery pipe battle array concatenates pipeline.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, a kind of coal-fired pot of efficient waste heat recycling
Stove flue dust minimum discharge facility, centered on the relatively low smoke outlet of wet desulphurization treatment process coal-burning boiler connection, top is built
One arc flue gas condensing cover makes the flue dust of mixing containing steam through the Water-cooled screw waste heat recovery pipe battle array under condensing cover of deploying to ensure effective monitoring and control of illegal activities, inverse
To staged total heat recovery thermal energy, high-temperature-hot-water is processed, flue dust cools through multilayer condensing cover in specific channel, water mist
Condensed water is condensed under condensing cover marginal flow, collection and uniform disposal after solids is collected with condensate return in flue dust is remaining
Flue dust makes coal-burning boiler flue dust realize ultralow using the electronics negative oxygen ion device for reducing dust 6 for being placed in flue gas condensing cover top layer
Discharge.
A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, fires in wet desulphurization treatment process
Coal burning boiler smoke outlet containing steam, builds the arc cooling dome of a multilayer stainless steel materials structure, and high-temperature steam flue dust is cooled down in bottom
The space ascension on 15 periphery of holder of cover is passed through into even numbers layer cooling dome at even numbers layer cooling dome central opening, into
The similar singular third layer of fabric, the space ascension with principle on 15 periphery of holder of three layers of cooling dome, when practical application
Should the cooling dome of the different numbers of plies and volume be set according to coal-burning boiler power and discharge index requirement.
The coal-burning boiler flue dust minimum discharge facility of a kind of efficient waste heat recycling, repeatedly by cooling layer cooling
At the intermediate openings of even numbers layer negative ion generating device 6 is arranged, after dust removal and filtration again, with ultralow in the steam flue dust of reason
Contamination index discharges to ambient atmosphere.
The coal-burning boiler flue dust minimum discharge facility of a kind of efficient waste heat recycling, under every layer of cooling layer
Portion, the helical form waste heat recovery pipe battle array being made of metal water supply pipe of deploying to ensure effective monitoring and control of illegal activities, the series connection of multi-layer spiral waste heat recovery pipe battle array connect
It connects, inversely forming step temperature with flue dust ascension direction rises full waste-heat recovery device, makes in pipe low temperature tap water through efficient heat exchange
Go out production or life high-temperature-hot-water.
It is a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling according to Fig. 1, by pillar 11, fixed bracing wire
12, the lift-on/lift-off type embodiment of the construction materials such as 15, four layers of cooling dome of holder composition, cross section structure principle schematic, in conjunction with attached
Figure and Fig. 2, Fig. 3, Fig. 4, it is as follows to be discussed in detail operation principle：The wet fuel gas desulfurizing technology of oxidation is being forced using lime stone
Industry coal-boiler removes the pattern of former high-altitude chimney emission such as the maximum coal-fired thermal power enterprise of the scale of construction, and cigarette is inputted in former flue dust
The outer import 17 of floss hole connection flue gas of chimney, steam flue dust enter import 14 in flue gas, and flue dust freely expands in d cooling cap layer 5
It dissipates, and in the 15 upward ascension in liftoff space of holder on d coolings cap layer 5 periphery, into the closed c cooling domes in lower part 4, after of continuing rising
The tapping that the flue dust risen collects in the middle part of c cooling domes 4 enters b layer cooling dome 3, flue dust be similar to d cool down the state of cap layer 5 into
Enter a layers of cooling dome 2, finally at the center opening of a layers of cooling dome 2, again passes by anion electronic dust-extraction unit 6 and be discharged into greatly
The principle of moving towards of gas, entire flue dust indicates 16 with reference to the flue gas traffic direction of figure 3.
Fig. 4 is a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, the spiral of water supply pipe composition
Shape waste heat recovery pipe battle array is connected in series with structural schematic diagram, is returned with reference to waste heat recovery water out 18, waste heat recovery water inlet 19, waste heat
Closed tube battle array concatenation pipeline 20 connect as shown 8 waste heat recovery pipe battle array of b helical layers shape, c helical layer shape waste heat recovery pipes battle array 9, d layers
The waste-heat recovery device of 10 3 layers of combination of helical form waste heat recovery pipe battle array, by high-temperature smoke waste heat with Reverse Step formula heat exchange side
Method makes the low temperature tap water from city be converted into high-temperature-hot-water, and for production and hot water for life, containing through stepped heat exchange steams
Vapour flue dust is converted into dust-laden condensed water, arcuately the stainless steel plate inside and outside wall of structure drops down, by ground under Multi-stage cooling effect
The condensate water recovery device in face unifies precipitation process, and collection processing method this patent is not described in detail.
Facility described above is only one embodiment of the invention, is not intended to limit the scope of the invention, every profit
The equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other phases
The technical field of pass, is included within the scope of the present invention.
Claims (4)
1. a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling, is connected with wet desulphurization treatment process coal-burning boiler
Centered on the relatively low smoke outlet connect, an arc flue gas condensing cover is built in top, makes the flue dust of mixing containing steam through deploying to ensure effective monitoring and control of illegal activities in condensing cover
Under Water-cooled screw waste heat recovery pipe battle array, Reverse Step formula total heat recovery thermal energy processes high-temperature-hot-water, and flue dust condenses through multilayer
It covers in specific channel and cools, water mist condenses into condensed water under condensing cover marginal flow, and solids is with condensation in flue dust
Collection and uniform disposal after water reflux is collected, residual smoke is using the electronics negative oxygen ion depositing dust for being placed in flue gas condensing cover top layer
Device（6）, coal-burning boiler flue dust is made to realize minimum discharge.
2. a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling according to claim 1, de- in wet method
Stream process technique coal-burning boiler smoke outlet containing steam builds the arc cooling dome of a multilayer stainless steel materials structure, high-temperature steam cigarette
Holder of the dirt in bottom cooling dome（15）The space ascension on periphery is opened into even numbers layer cooling dome at even numbers layer cooling dome center
At mouthful across, into singular third layer similar with fabric, with principle 15 periphery of holder of three layers of cooling dome space
The cooling dome of the different numbers of plies and volume should be arranged according to coal-burning boiler power and discharge index requirement when practical application in ascension.
3. a kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling according to claim 1, repeatedly passes through
At the intermediate openings of even numbers layer negative ion generating device 6 is arranged, through dedusting again in the steam flue dust of cooling layer cooling treatment
After filtering, discharged with ultra-low contamination mark sense ambient atmosphere.
4. the coal-burning boiler flue dust minimum discharge facility of a kind of efficient waste heat recycling according to claim 1, in close proximity to every
The lower part of layer cooling layer is deployed to ensure effective monitoring and control of illegal activities the helical form waste heat recovery pipe battle array being made of metal water supply pipe, multi-layer spiral waste heat recovery
Guan Zhen is connected in series with, and inversely forming step temperature with flue dust ascension direction rises full waste-heat recovery device, and low temperature tap water in pipe is made to pass through
High Efficiency Thermal is swapped out production or life high-temperature-hot-water.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720440.2A CN108771939A (en) | 2018-07-03 | 2018-07-03 | A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling |
| PCT/CN2018/096938 WO2020006789A1 (en) | 2018-07-03 | 2018-07-25 | Facility for high-efficient waste heat recovery and ultralow smoke dust emission from coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810720440.2A CN108771939A (en) | 2018-07-03 | 2018-07-03 | A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108771939A true CN108771939A (en) | 2018-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810720440.2A Pending CN108771939A (en) | 2018-07-03 | 2018-07-03 | A kind of coal-burning boiler flue dust minimum discharge facility of efficient waste heat recycling |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108771939A (en) |
| WO (1) | WO2020006789A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944902A (en) * | 2021-02-01 | 2021-06-11 | 高帅 | Sintering furnace convenient for recycling residual heat and utilization method thereof |
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|---|---|---|---|---|
| US4662899A (en) * | 1985-04-05 | 1987-05-05 | American Environmental International Inc. | Air pollution control system method and apparatus |
| CN201688425U (en) * | 2010-03-23 | 2010-12-29 | 陈兆红 | Stack gas purifying device |
| CN102261852A (en) * | 2011-06-30 | 2011-11-30 | 西安交通大学 | Structure of lime kiln residual heat recovery device |
| CN205448333U (en) * | 2016-02-17 | 2016-08-10 | 北京葆蓝科技有限公司 | Fine copper boiler that low nitrogen full premix return water condensation is preheated |
| CN106594772A (en) * | 2016-12-22 | 2017-04-26 | 洛阳文森科技有限公司 | Industrial coal-fired boiler terminal ultralow emission scheme |
| CN108119905A (en) * | 2018-02-01 | 2018-06-05 | 营口绿源锅炉有限责任公司 | The automatic drop haze chimney of gas fired-boiler |
-
2018
- 2018-07-03 CN CN201810720440.2A patent/CN108771939A/en active Pending
- 2018-07-25 WO PCT/CN2018/096938 patent/WO2020006789A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662899A (en) * | 1985-04-05 | 1987-05-05 | American Environmental International Inc. | Air pollution control system method and apparatus |
| US4662899B1 (en) * | 1985-04-05 | 1990-01-16 | American Environmental Interna | |
| CN201688425U (en) * | 2010-03-23 | 2010-12-29 | 陈兆红 | Stack gas purifying device |
| CN102261852A (en) * | 2011-06-30 | 2011-11-30 | 西安交通大学 | Structure of lime kiln residual heat recovery device |
| CN205448333U (en) * | 2016-02-17 | 2016-08-10 | 北京葆蓝科技有限公司 | Fine copper boiler that low nitrogen full premix return water condensation is preheated |
| CN106594772A (en) * | 2016-12-22 | 2017-04-26 | 洛阳文森科技有限公司 | Industrial coal-fired boiler terminal ultralow emission scheme |
| CN108119905A (en) * | 2018-02-01 | 2018-06-05 | 营口绿源锅炉有限责任公司 | The automatic drop haze chimney of gas fired-boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944902A (en) * | 2021-02-01 | 2021-06-11 | 高帅 | Sintering furnace convenient for recycling residual heat and utilization method thereof |
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| Publication number | Publication date |
|---|---|
| WO2020006789A1 (en) | 2020-01-09 |
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Application publication date: 20181109 |