CN107970719A - A kind of flue gas harmless discharge system - Google Patents
A kind of flue gas harmless discharge system Download PDFInfo
- Publication number
- CN107970719A CN107970719A CN201711019292.3A CN201711019292A CN107970719A CN 107970719 A CN107970719 A CN 107970719A CN 201711019292 A CN201711019292 A CN 201711019292A CN 107970719 A CN107970719 A CN 107970719A
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- China
- Prior art keywords
- flue gas
- pipeline
- heat exchanger
- outlet pipe
- pipe
- 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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Links
- 239000003546 flue gas Substances 0.000 title claims abstract description 93
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000007789 gas Substances 0.000 claims abstract description 67
- 238000001816 cooling Methods 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 235000019504 cigarettes Nutrition 0.000 claims description 6
- 230000000505 pernicious effect Effects 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 description 3
- 239000003513 alkali Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention discloses a kind of flue gas harmless discharge system, solves the problems, such as that prior art waste of energy and gas cleaning efficiency are low.The present invention includes high-temperature flue gas conveyance conduit, heat exchanger, cooling dedusting pond, potass pool and high altitude discharge tabacco barn；Heat exchanger includes heat exchanger shell, flue gas inlet pipe, air outlet pipe, flue gas outlet pipe, air inlet lines and heat exchange pipeline, and heat exchanger shell is double-decker；Potass pool sets exhaust gas inlet pipe, conical top cover is sealedly connected with the top of potass pool, demisting plate is equipped with conical top cover, delivery pipe is equipped with the top of conical top cover, delivery pipe is connected by connecting pipe with high altitude discharge tabacco barn, and two activated charcoal strainers are interval with connecting pipe.The configuration of the present invention is simple, design is scientific and reasonable, easy to use, and gas cleaning is efficient, the burning supply of high-temperature flue gas and furnace room exchanges heat, can the effectively save energy, while flue gas by cooling dedusting and removes nuisance, and when discharge will not pollute air.
Description
Technical field
The present invention relates to a kind of flue gas harmless discharge system.
Background technology
Before flue gas emission, it is necessary to by processing, so that the flue gas being discharged meets high altitude discharge standard, so that will not be to big
Compression ring border produces pollution, and flue gas is after furnace room comes out.Substantial amounts of heat is also carried, the prior art from furnace room to coming out
High-temperature flue gas directly carry out purified treatment after discharged, the heat which is brought out by high-temperature flue gas is wasted, wave
Take the energy, while substantial amounts of heat is discharged, and environment is adversely affected, gas cleaning efficiency is low, and gas cleaning is not thorough,
Pollute atmospheric environment.
The content of the invention
The technical problem to be solved in the present invention is：A kind of flue gas harmless discharge system is provided, the prior art is solved and wastes
The energy, gas cleaning efficiency are low and gas cleaning is not thorough the problem of polluting atmospheric environment.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of flue gas harmless discharge system, including high-temperature flue gas conveyance conduit and the high-temperature flue gas conveyance conduit connect
The heat exchanger that connects, the cooling dedusting pond for being connected with the heat exchanger tube and storing full water in dust removal, with the cooling dedusting pond
Pipeline connects and stores the potass pool for having buck, the high altitude discharge tabacco barn being connected with the potass pool by pipeline；
The heat exchanger include heat exchanger shell, the flue gas inlet pipe arranged on the heat exchanger shell side and air outlet pipe,
Arranged on the flue gas outlet pipe and air inlet lines of the heat exchanger shell opposite side and in the heat exchanger shell and both ends
The heat exchange pipeline being connected respectively with the flue gas inlet pipe and the flue gas outlet pipe, the heat exchanger shell are double-decker, and
The inner cavity of the double-decker is evacuated, and the air inlet lines are connected with outside air delivery pipe, the air outlet pipe and combustion
The connection of burner hearth pipeline is burnt, the flue gas inlet pipe is connected with the high-temperature flue gas conveyance conduit, the flue gas outlet pipe and the cooling
The pipeline connection of dedusting pond；The flue gas come out from the flue gas outlet pipe, which enters in the water in dust removal in the cooling dedusting pond, to be dropped
Warm dedusting, the exhaust gas by the dedusting that cools down, which enters in the buck of the potass pool, removes pernicious gas, is removed pernicious gas
Exhaust gas is transported to high altitude discharge tabacco barn by pipeline and carries out high altitude discharge；
The potass pool lower part is equipped with exhaust gas inlet pipe, and the exhaust gas inlet pipe passes through pipeline and cooling dedusting pond pipeline
Connection, the potass pool top are sealedly connected with conical top cover, demisting plate, the taper top caping are equipped with the conical top cover
Portion is equipped with delivery pipe, and the delivery pipe is connected by connecting pipe with the high altitude discharge tabacco barn, interval in the connecting pipe
Equipped with two activated charcoal strainers.
Further, the cooling dedusting pond lower part is equipped with dust removing tube, and the dust removing tube is located at the water surface of water in dust removal
Hereinafter, the dust removing tube is connected by pipeline with the flue gas outlet pipe, and the cooling dedusting sink top is sealedly connected with taper
Dedusting head cover, the taper dedusting head cover top are equipped with exhaust gas outlet pipe, and the exhaust gas outlet pipe passes through pipeline and the exhaust gas inlet pipe
Connection, the bottom in the cooling dedusting pond are equipped with supersonic generator, the supersonic generator in dust removing tube toward institute
State and produce ultrasonic wave when inputting flue gas in cooling dedusting pond, flue gas bubble shake big in water in dust removal is dissipated, so that cigarette
Gas can be contacted more fully with water in dust removal, fully to cool down and purify.
Further, the flue gas outlet pipe is equipped with the first exhaust fan with the pipeline that the cooling dedusting pond connects.
Further, the pipeline that the exhaust gas outlet pipe is connected with the exhaust gas inlet pipe is equipped with the second exhaust fan.
Further, the pipeline that the delivery pipe is connected with the high altitude discharge tabacco barn is equipped with the 3rd exhaust fan.
Compared with prior art, the invention has the advantages that：
(1) the configuration of the present invention is simple, design is scientific and reasonable, easy to use, gas cleaning is efficient, and gas cleaning is thorough,
The burning supply of high-temperature flue gas and furnace room exchanges heat, can the effectively save energy, while flue gas dedusting and is removed by cooling
Remove nuisance, when discharge will not pollute air.
(2) present invention sets potass pool, can further be cooled down to exhaust gas, while can remove substantially harmful in exhaust gas
Thing, makes flue gas effectively be purified, and demisting plate is set in the conical top cover at the top of potass pool, by most of alkali water mist in exhaust gas
Gas removes, and two activated charcoal strainers are set in connecting pipe, further can filter out the harmful substance in tail gas, so
Waste gas purification can be made better, while be also avoided that buck fog as exhaust gas is disposed to air together, realizes exhaust gas
Harmless emission.
(3) present invention sets heat exchanger in the port of export of high-temperature flue gas conveyance conduit, makes the combustion of high-temperature flue gas and furnace room
Burn supply to exchange heat, supply burning and preheated, into furnace room after can effectively save energy consumption, while height can be made
The temperature of warm flue gas is greatly reduced, so as to will not be adversely affected because temperature is excessive when discharging to environment, in addition, this hair
Bright heat exchanger shell is set to double-decker, and the inner cavity of the double-decker is evacuated, and can effectively eliminate heat exchanger shell
Body overheat produces security risk.
(4) present invention sets cooling dedusting pond, can be cooled down comprehensively to flue gas, while can remove the flue gas in flue gas
Grain thing and water-soluble nuisance, the bottom in cooling dedusting pond are equipped with supersonic generator, and supersonic generator is used in dedusting
Manage toward ultrasonic wave is produced during input flue gas in cooling dedusting pond, flue gas bubble shake big in water in dust removal is dissipated, so that
Flue gas can be contacted more fully with water in dust removal, fully to cool down and purify, make gas cleaning more thorough, while can also improve
Gas cleaning efficiency.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is present invention heat exchanger structure diagram.
Wherein, reference numeral is corresponding entitled：
1- high-temperature flue gas conveyance conduit, 2- heat exchangers, 3- cooling dedustings pond, 4- potass pools, 5- high altitude discharges tabacco barn, 6-
First exhaust fan, the second exhaust fans of 7-, the 3rd exhaust fans of 8-, 21- heat exchanger shells, 22- flue gases inlet pipe, 23- air outlet pipe,
24- flue gases outlet pipe, 25- air inlet lines, 26- heat exchange pipelines, 31- dust removing tubes, 32- taper dedustings head cover, 33- exhaust gas outlet pipe, 34-
Supersonic generator, 41- exhaust gas inlet pipe, 42- conical top covers, 43- delivery pipes, 44- demistings plate, 45- connecting pipes, 46- activity
Charcoal filter screen.
Embodiment
The invention will be further described with embodiment for explanation below in conjunction with the accompanying drawings, and mode of the invention includes but not only limits
In following embodiments.
Embodiment
As illustrated in fig. 1 and 2, a kind of flue gas harmless discharge system provided by the invention, simple in structure, design science are closed
Reason, easy to use, gas cleaning is efficient, and gas cleaning is thorough, and the burning supply of high-temperature flue gas and furnace room exchanges heat,
Can the effectively save energy, while flue gas by cooling dedusting and removes nuisance, and when discharge will not pollute air.This hair
The bright heat exchanger 2 being connected including high-temperature flue gas conveyance conduit 1, with the high-temperature flue gas conveyance conduit 1, manage with the heat exchanger 2
Road connects and stores the cooling dedusting pond 3 of full water in dust removal, is connected with 3 pipeline of cooling dedusting pond and stores the buck for having buck
Pond 4, the high altitude discharge tabacco barn 5 being connected with the potass pool 4 by pipeline；The heat exchanger 2 includes heat exchanger shell 21, is arranged on
Flue gas inlet pipe 22 and air outlet pipe 23, the flue gas arranged on 21 opposite side of heat exchanger shell of 21 side of heat exchanger shell
Outlet pipe 24 and air inlet lines 25 and in the heat exchanger shell 21 and both ends respectively with the flue gas inlet pipe 22 and institute
The heat exchange pipeline 26 of the connection of flue gas outlet pipe 24 is stated, the heat exchanger shell 21 is double-decker, and the inner cavity of the double-decker
It is evacuated, the air inlet lines 25 are connected with outside air delivery pipe, and the air outlet pipe 23 connects with burner hearth pipeline
Connect, the flue gas inlet pipe 22 is connected with the high-temperature flue gas conveyance conduit 1, the flue gas outlet pipe 24 and the cooling dedusting pond
3 pipelines connect；Cooling is carried out in from the flue gas that the flue gas outlet pipe 24 comes out into the water in dust removal for cooling down dedusting pond 3 to remove
Dirt, the exhaust gas by the dedusting that cools down, which enters in the buck of the potass pool 4, removes pernicious gas, is removed the exhaust gas of pernicious gas
High altitude discharge tabacco barn 5 is transported to by pipeline and carries out high altitude discharge.
The present invention sets heat exchanger in the port of export of high-temperature flue gas conveyance conduit, supplies the burning of high-temperature flue gas and furnace room
Gas exchanges heat, and supplies burning and is preheated, into furnace room after can effectively save energy consumption, while high temperature cigarette can be made
The temperature of gas is greatly reduced, so that environment will not be adversely affected because temperature is excessive when discharging, in addition, the present invention
Heat exchanger shell is set to double-decker, and the inner cavity of the double-decker is evacuated, and can effectively eliminate heat exchanger shell mistake
Heat produces security risk.
3 lower part of cooling dedusting pond of the present invention is equipped with dust removing tube 31, and the dust removing tube 31 is located at the water of water in dust removal
Below face, the dust removing tube 31 is connected by pipeline with the flue gas outlet pipe 24, and 3 top of cooling dedusting pond is tightly connected
There is taper dedusting head cover 32, the top of taper dedusting head cover 32 is equipped with exhaust gas outlet pipe 33, and the exhaust gas outlet pipe 33 passes through pipeline
It is connected with 4 pipeline of potass pool, the bottom in the cooling dedusting pond 3 is equipped with supersonic generator 34, the ultrasonic wave hair
Raw device 34 is used to produce ultrasonic wave when dust removing tube 31 is toward input flue gas in the cooling dedusting pond 3, will be located at water in dust removal
In big flue gas bubble shake dissipate so that flue gas can be contacted more fully with water in dust removal, fully to cool down and purification.
The present invention sets cooling dedusting pond, can be cooled down comprehensively to flue gas, while can remove the flue gas particle in flue gas
Thing and water-soluble nuisance, the bottom in cooling dedusting pond are equipped with supersonic generator, and supersonic generator is used in dust removing tube
Ultrasonic wave is produced when inputting flue gas in toward cooling dedusting pond, flue gas bubble shake big in water in dust removal is dissipated, so that cigarette
Gas can be contacted more fully with water in dust removal, fully to cool down and purify, make gas cleaning more thorough, while can also improve cigarette
Gas purification efficiency.
4 lower part of potass pool of the present invention is equipped with exhaust gas inlet pipe 41, and the exhaust gas inlet pipe 41 passes through pipeline and the cooling
The 3 pipeline connection of dedusting pond, the top of potass pool 4 are sealedly connected with conical top cover 42, are equipped with and remove in the conical top cover 42
Mist plate 44, the top of conical top cover 42 are equipped with delivery pipe 43, and the delivery pipe 43 passes through connecting pipe 45 and the high idle discharge
Put tabacco barn 5 to connect, two activated charcoal strainers 46 are interval with the connecting pipe 45.
The present invention sets potass pool, can further be cooled down to exhaust gas, while can remove the nuisance in exhaust gas substantially, makes
Flue gas is effectively purified, and demisting plate is set in the conical top cover at the top of potass pool, and most of alkali water spray haze in exhaust gas is gone
Remove, and two activated charcoal strainers are set in connecting pipe, further the harmful substance in tail gas can be filtered out, can so made
Waste gas purification is better, while is also avoided that buck fog as exhaust gas is disposed to air together, realizes the harmless of exhaust gas
Discharge.
In order to further improve the purification efficiency of the present invention, flue gas outlet pipe 24 of the present invention and the cooling dedusting pond
The pipelines of 3 connections are equipped with the first exhaust fan 6, and the pipeline that the exhaust gas outlet pipe 33 is connected with the exhaust gas inlet pipe 41 is equipped with the
Two exhaust fans 7, the pipeline that the delivery pipe 43 is connected with the high altitude discharge tabacco barn 5 are equipped with the 3rd exhaust fan 8.By setting three
A exhaust fan, can be increased exponentially present invention efficiency when being purified to flue gas.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit the protection model of the present invention
Enclose, as long as the present invention body design thought and that mentally makes have no the change of essential meaning or polishing, it is solved
Technical problem it is still consistent with the present invention, should be included in protection scope of the present invention within.
Claims (5)
- A kind of 1. flue gas harmless discharge system, it is characterised in that：Including high-temperature flue gas conveyance conduit (1) and the high temperature cigarette The heat exchanger (2) of letter shoot road (1) connection, be connected with the heat exchanger (2) pipeline and store the cooling water in dust removal of full water in dust removal Pond (3), be connected with described cooling dedusting pond (3) pipeline and store the potass pool for having buck (4), pass through with the potass pool (4) The high altitude discharge tabacco barn (5) of pipeline connection；The heat exchanger (2) includes heat exchanger shell (21), the flue gas inlet pipe (22) arranged on the heat exchanger shell (21) side Flue gas outlet pipe (24) and air inlet lines (25) with air outlet pipe (23), arranged on the heat exchanger shell (21) opposite side and In the heat exchanger shell (21) and both ends are connected with the flue gas inlet pipe (22) and the flue gas outlet pipe (24) respectively Heat exchange pipeline (26), the heat exchanger shell (21) is double-decker, and the inner cavity of the double-decker is evacuated, institute State air inlet lines (25) to be connected with outside air delivery pipe, the air outlet pipe (23) is connected with burner hearth pipeline, the cigarette Gas inlet pipe (22) is connected with the high-temperature flue gas conveyance conduit (1), the flue gas outlet pipe (24) and cooling dedusting pond (3) Pipeline connects；The flue gas come out from the flue gas outlet pipe (24), which enters in the water in dust removal of cooling dedusting pond (3), to be dropped Warm dedusting, the exhaust gas by the dedusting that cools down, which enters in the buck of the potass pool (4), removes pernicious gas, is removed pernicious gas Exhaust gas by pipeline be transported to high altitude discharge tabacco barn (5) carry out high altitude discharge；Potass pool (4) lower part is equipped with exhaust gas inlet pipe (41), and the exhaust gas inlet pipe (41) passes through pipeline and the cooling dedusting Pond (3) pipeline connects, and conical top cover (42) is sealedly connected with the top of the potass pool (4), is set in the conical top cover (42) There is demisting plate (44), be equipped with delivery pipe (43) at the top of the conical top cover (42), the delivery pipe (43) passes through connecting pipe (45) it is connected with the high altitude discharge tabacco barn (5), two activated charcoal strainers (46) is interval with the connecting pipe (45).
- A kind of 2. flue gas harmless discharge system according to claim 1, it is characterised in that：The cooling dedusting pond (3) lower part is equipped with dust removing tube (31), and the dust removing tube (31) is located at below the water surface of water in dust removal, and the dust removing tube (31) passes through Pipeline is connected with the flue gas outlet pipe (24), and taper dedusting head cover (32) is sealedly connected with the top of cooling dedusting pond (3), Be equipped with exhaust gas outlet pipe (33) at the top of the taper dedusting head cover (32), the exhaust gas outlet pipe (33) by pipeline and the exhaust gas into (41) connection is managed, the bottom of cooling dedusting pond (3) is equipped with supersonic generator (34), the supersonic generator (34) For producing ultrasonic wave when dust removing tube (31) is toward input flue gas in cooling dedusting pond (3), will be located in water in dust removal Big flue gas bubble shake dissipates, so that flue gas can be contacted more fully with water in dust removal, with fully cooling and purification.
- A kind of 3. flue gas harmless discharge system according to claim 2, it is characterised in that：The flue gas outlet pipe (24) and The pipeline of cooling dedusting pond (3) connection is equipped with the first exhaust fan (6).
- A kind of 4. flue gas harmless discharge system according to claim 3, it is characterised in that：The exhaust gas outlet pipe (33) with The pipeline of exhaust gas inlet pipe (41) connection is equipped with the second exhaust fan (7).
- A kind of 5. flue gas harmless discharge system according to claim 4, it is characterised in that：The delivery pipe (43) and institute The pipeline for stating high altitude discharge tabacco barn (5) connection is equipped with the 3rd exhaust fan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019292.3A CN107970719A (en) | 2017-10-27 | 2017-10-27 | A kind of flue gas harmless discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711019292.3A CN107970719A (en) | 2017-10-27 | 2017-10-27 | A kind of flue gas harmless discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107970719A true CN107970719A (en) | 2018-05-01 |
Family
ID=62012681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711019292.3A Withdrawn CN107970719A (en) | 2017-10-27 | 2017-10-27 | A kind of flue gas harmless discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107970719A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993116A (en) * | 2018-07-09 | 2018-12-14 | 唐兴云 | It is a kind of for producing the emission-control equipment and its application method of carbon nanotube |
| CN109289523A (en) * | 2018-11-22 | 2019-02-01 | 江苏海事职业技术学院 | A kind of boat diesel engine exhaust gas integrated purification device |
| CN109289524A (en) * | 2018-11-22 | 2019-02-01 | 江苏海事职业技术学院 | A method of applied to ship tail gas desulphurization denitration |
-
2017
- 2017-10-27 CN CN201711019292.3A patent/CN107970719A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108993116A (en) * | 2018-07-09 | 2018-12-14 | 唐兴云 | It is a kind of for producing the emission-control equipment and its application method of carbon nanotube |
| CN109289523A (en) * | 2018-11-22 | 2019-02-01 | 江苏海事职业技术学院 | A kind of boat diesel engine exhaust gas integrated purification device |
| CN109289524A (en) * | 2018-11-22 | 2019-02-01 | 江苏海事职业技术学院 | A method of applied to ship tail gas desulphurization denitration |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180501 |