CN109724100A - Boiler blow down flash device - Google Patents
Boiler blow down flash device Download PDFInfo
- Publication number
- CN109724100A CN109724100A CN201811582032.1A CN201811582032A CN109724100A CN 109724100 A CN109724100 A CN 109724100A CN 201811582032 A CN201811582032 A CN 201811582032A CN 109724100 A CN109724100 A CN 109724100A
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- CN
- China
- Prior art keywords
- cone
- reaction vessel
- shaped hood
- desulfurization reaction
- tower type
- 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
- 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
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of boiler blow down flash devices, including desulfurization reaction vessel, press wind smoke-intake pipe road and smoke discharging pipe, and add the device of alkali into desulfurization reaction vessel, tower type separator is set in desulfurization reaction vessel, the tower type separator includes the cone-shaped hood that multiple groups are successively set with, first cone-shaped hood is top closed, apical pore is provided at the top of remaining each cone-shaped hood, guiding inserted link is fixed in the upper layer cover of adjacent conical cover, each guiding inserted link is plugged in the apical pore of lower layer's cone-shaped hood, the inner wall sleeve of each cone-shaped hood is equipped with bed course, air channel is evenly distributed on bed course inner wall.The present invention has the function of being handled respectively different effluents and reach precipitating classification and efficient process, and helps to prevent secondary pollution, saves alkali charge and water conservation.
Description
Technical field
The invention belongs to environmental pollution improvement's equipment, and in particular to a kind of flue dust and desulfurization integrated and isolation boiler row
Dirty flash vessel belongs to boiler blow-off cleaning equipment field.
Background technique
In recent years, environmental requirement is increasingly improved with country, the disposition of Industrial " three Waste " requires to be increasingly stringenter.Its
In, Industrial Boiler flue gas emission is the important content of environmental pollution improvement, but encounters larger difficulty, and main cause is that transmission is used
Be not well positioned to meet new environmental protection standard requirement in the equipment of Industrial Boiler flue gas emission, be not thorough there are fume treatment or
It will cause secondary pollution problem.For example, the desulfurizing dust-collector of Industrial Boiler smoke evacuation is generally wet type desulfurizing dust collector, wet type desulfurizing
Deduster needs independent blowdown container and not soluble in water in flue gas removes with harmful substances, wet types such as sulfur-bearings very much for absorbing
The advantages of dirt is easy to maintain, and can reach dedusting and desulfurization effect, the disadvantage is that dedusting liquid needs to locate by preparing different dedusting agents
Reason, may cause secondary pollution.Existing boiler wet-type dust separation device is generally dust granules, the lye that will contain in flue dust
It is blended in same reaction vessel with gas stream containing hydrogen sulphide, but be not effectively isolated, dust granules are easy to be attached on conversion zone, cause
Reaction solution retrogradation influences to react lasting progress, needs periodic cleaning container that could improve dust-removal and desulfurizing effect, increase workload and
Maintenance cost.After lasting use in desulfurizing dust-collector, it is not good enough that gas is contacted with desulfurization slurry, thus is not achieved ideal de-
Sulphur dust removing effects.On the other hand, existing common coal burning flue gas desulfurization dust-extraction unit, it is usual to improve efficiency of dust collection people
It is used in series, often greatly improves its occupied area or manufacturing cost.
Summary of the invention
For current boiler blow-off treatment process, there are dust precipitatings and reaction solution mixing circulation to be difficult to separation problem, and deposits
Wasted in reaction solution and the problem of be also easy to produce secondary pollution, the present invention provide it is a kind of reaction vessel interior by dust precipitating with it is anti-
It answers liquid precipitate to be effectively isolated, and is capable of the boiler blow down flash device of reaction solution reaction efficiency.
Realize that foregoing invention purpose technical solution is using a kind of boiler blow down flash device, including desulfurization reaction vessel, pressure
Wind smoke-intake pipe road and smoke discharging pipe, and into desulfurization reaction vessel plus the device of alkali, the flue dust from boiler combustion passes through pressure
Wind smoke-intake pipe road enters desulfurization reaction vessel bottom, special by being discharged after desulfurization reaction vessel from the smoke discharging pipe at the top of it
Sign is, tower type separator is set in desulfurization reaction vessel, which includes the cone-shaped hood that multiple groups are successively set with,
First cone-shaped hood is top closed, and apical pore is provided at the top of remaining each cone-shaped hood, is fixed with and leads in the upper layer cover of adjacent conical cover
To inserted link, each inserted link that is oriented to is plugged in the apical pore of lower layer's cone-shaped hood, and the inner wall sleeve of each cone-shaped hood is equipped with bed course, in bed course inner wall
On be evenly distributed with air channel；Positioned at tower type separator bottom, Packed primary precipitate pond is set, the inclined-plane of tower type separator to
Lower to be connected to Packed auxiliary sedimentation basin by reaction sedimentation channel, auxiliary sedimentation basin is provided with integrally but therebetween with filtering pond
Interlayer, interlayer upper end level are lower than auxiliary precipitating pool wall height；Water pump is installed in filtering pond, the drinking-water pipe of water pump is connected to institute
It states in desulfurization reaction vessel inner cavity, the water outlet of drinking-water pipe is tangent with desulfurization reaction vessel inner cavity and tilts down along the horizontal plane,
Make drinking-water pipe goes out the rotation of water-driven desulfurization reaction vessel inner cavity reaction solution.
Further, position is fixed with perpendicular sieve on the downside of the water flow of the reaction sedimentation channel entrance.
Further, the plate containing equal cloth hole is provided with below the tower type separator and is used as divides gas to comb.
Wherein, used adder-subtractor may include support arm, feeding tube, storage hopper, material toggling roller and motor, conveying
Cylinder and storage hopper are fixed on the inside of support arm, and storage hopper is located on the upside of feeding tube, the two connection, are laterally pacified in feeding tube upper end
Equipped with shaft, and material toggling roller is fixed in shaft, the circumference side of material toggling roller is evenly distributed with hopper, feeding tube bottom suit
There is material guiding hopper, gear-box and motor are fixed on support arm, shaft is connect with gearbox output, and motor and gear-box input
End connection.
Beneficial effects of the present invention: 1. the present invention using tower type separator can make flue dust precipitating reacted with upper layer precipitate every
From flue dust precipitating and lower layer react precipitating on a small quantity and be directly entered in primary precipitate pond, and periodically discharge is handled after accumulation.Upper layer is mainly anti-
Object precipitating is answered to enter in auxiliary sedimentation basin, periodically recycling or reversed control take utilization.With the function of being handled respectively different effluents,
It can reach precipitating classification and efficient process purpose, and help to prevent secondary pollution, save alkali charge and water conservation.Not only fit
Power station fire coal circulating fluidized bed boiler dust-removal and desulfurizing is closed, it can also be net using the wet method sulphur removing and dust removing and flue gas of combustion coal chain boiler
Change, scrubbing CO_2 is high-efficient, and tail gas clean-up is thorough, applies and removes hydrogen fluoride and kiln tail gas acid waste gas in stove industry
Cleaning equipment etc., and to pelletizing, sintering machine tail desulfurization.
2. utilizing tower type separator in the present invention, each cone-shaped hood can be adjusted according to the how many automatic liftings of capacity, from
It fits together with lower layer cone-shaped hood downwards under right state by self weight, but there are equally distributed ventilations between adjacent conical cover
Slot can make ascending air be dispersed in each cone-shaped hood periphery, and air-flow is made to repeat to carry out neutralization reaction with reaction solution, improve anti-
Answer efficiency.Tower type separator generally conical structure in the present invention can promote reaction precipitating along conical surface slide downward and benefit
In accumulation, clogging deposits air channel is prevented.Entered in desulfurization reaction vessel using drinking-water pipe water outlet tangent line and downwards impact
Chamber can drive desulfurization reaction vessel inner cavity reaction solution to rotate, and the reaction solution of rotation drives the rotation of tower type separator bottom sediment,
It is blocked by perpendicular sieve into reaction sedimentation channel.Reaction solution height can be detected to control by installation liquid level sensor
The timely moisturizing of water supply pipe processed deposits degree by installation detection sediment to control drawing water opportunity for water pump, by detecting desulfurization
The pH value of reaction solution mends alkali to control adder-subtractor in time in reaction vessel, or according to lye neutral and alkali component average consumption
Automatic uniform speed adds alkali.Sediment siltation degree in primary precipitate pond and auxiliary sedimentation basin can also be detected by sensor.To realize certainly
Dynamic control provides may.
3. the configuration of the present invention is simple is reasonable, occupied area is small, realizes that sediment separation reaches directly in existing reaction vessel
To capacity enlargement effect, manufacturing cost is lower, and maintenance workload very little, operating quantity is seldom, and using effect is good, is suitble to promote and apply.
Detailed description of the invention
Fig. 1 is surface structure schematic diagram of the invention.
Fig. 2 is the schematic diagram of the section structure of container in Fig. 1.
Fig. 3 is the assembling figure of cone-shaped hood in Fig. 2.
Fig. 4 is the schematic diagram of the section structure of adder-subtractor in Fig. 2.
Fig. 5 is the surface structure schematic diagram of Fig. 4.
Fig. 6 is A-A the schematic diagram of the section structure in Fig. 2.
Specific embodiment
Embodiment 1: boiler blow down flash device as shown in Figure 1, including desulfurization reaction vessel 1, pressure wind smoke-intake pipe road 2 and row
Smoke pipeline 3, primary precipitate pond 8, auxiliary sedimentation basin 9, filtering pond 10, water pump 11 and drinking-water pipe 12 and water supply pipe 14, further include tower point
Add the device of alkali from device 4 and into desulfurization reaction vessel 1.By after desulfurization reaction vessel 1 from 3 row of smoke discharging pipe at the top of it
Out.
As shown in Fig. 2, 1 top of desulfurization reaction vessel is cylinder, model according to exhaust smoke level design suitable diameter and
Highly, lower part is conical section as aeration tank 5, and bottom is connected to primary precipitate pond 8.Flue dust from boiler combustion passes through air blower
Enter in the conical section of 1 bottom of desulfurization reaction vessel after being aerated with pressure wind smoke-intake pipe road 2, flue gas discharges upwards.In the present embodiment
In, it is provided with the plate containing equal cloth hole in the top of aeration tank 5 and is used as and divide gas comb 7, the atmosphere that the purpose is to will concentrate in aeration tank 5
Bubble smashes dispersion, so that flue dust is in conjunction with liquid, promotes flue dust suspension or Direct precipitation.Divide gas comb 7 that there is tentatively mistake simultaneously
Function is filtered, promotes flue dust suspension to be blocked for the first time and moves up.
Referring to figs. 2 and 3, tower type separator 4 is set in desulfurization reaction vessel 1 as the resistance for preventing flue dust suspended matter
Stop part.The tower type separator 4 includes the cone-shaped hood 41 that multiple groups are successively set with, and first cone-shaped hood is top closed, remaining each taper
It is provided with apical pore 42 at the top of cover, guiding inserted link 43 is fixed in the upper layer cover of adjacent conical cover, each inserted link 43 that is oriented to is plugged in
In the apical pore 42 of lower layer's cone-shaped hood, the inner wall sleeve of each cone-shaped hood is equipped with bed course 44, is evenly distributed with ventilation on 44 inner wall of bed course
Slot 45.The liquid level of reaction solution should be above tower type separator 4, and reaction solution height can be monitored by linker 17 or liquid level sensor
Degree, water level and reaction solution pH value are adjusted by 14 moisturizing of water supply pipe and by adding alkali.Each cone-shaped hood being capable of root in the present embodiment
It adjusts, fits together under natural conditions with lower layer cone-shaped hood downwards by self weight, but adjacent according to the how many automatic liftings of capacity
There are equally distributed air channels 45 between cone-shaped hood, and ascending air can be made to be dispersed in each cone-shaped hood periphery, make air-flow
It repeats to carry out neutralization reaction with reaction solution, improves reaction efficiency.Moreover, the generally conical structure of tower type separator 4, can promote
Reaction precipitating is along conical surface slide downward and is conducive to accumulation, prevents clogging deposits air channel 45.
Referring to figure 1 and figure 2, it is located at 4 bottom of tower type separator and Packed primary precipitate pond 8,8 bottom of primary precipitate pond is set
Sewage draining exit one and lid 18 is arranged in portion.The inclined-plane of tower type separator 4 pass downwardly through reaction sedimentation channel 13 be connected to it is Packed auxiliary heavy
Shallow lake pond 9, auxiliary 9 bottom of sedimentation basin setting sewage draining exit two and lid 19.Auxiliary sedimentation basin 9 is arranged integrally but therebetween with filtering pond 10
There is interlayer 20,20 upper end level of interlayer is lower than auxiliary 9 wall height of sedimentation basin, thus, reaction precipitating is nearly all deposited on auxiliary sedimentation basin 9
It is interior.Water pump 11 is installed in filtering pond 10, the drinking-water pipe 12 of water pump 11 is connected in 1 inner cavity of desulfurization reaction vessel, real
Now recycle.
The condition that the present embodiment design outlet pipe needs meet is: the water outlet of drinking-water pipe 12 and 1 inner cavity phase of desulfurization reaction vessel
It cuts and tilts down along the horizontal plane, make drinking-water pipe 12 goes out the rotation of 1 inner cavity reaction solution of water-driven desulfurization reaction vessel.To utilize
The driving force of 12 water outlet of drinking-water pipe drives the reaction solution of 4 upper layer reaction tank 6 of tower type separator to rotate, and then drives tower point
It is rotated from 4 bottom sediment of device.Referring to fig. 2 and shown in Fig. 6, position is fixed with interior branch on the downside of the water flow of reaction 13 entrance of sedimentation channel
Frame 21 is fixed with perpendicular sieve 22 on inner support 21.The deposit of 4 bottom of tower type separator can be blocked by perpendicular sieve 22 into
Enter to react in sedimentation channel 13.
The present embodiment adds the mode of alkali can be by the way of mending lye, such as limewash or sodium hydroxide is passed through standby
It is supplemented with mouth 16 or dedicated plus lye mouth.Or it is directly added into white lime water or powder.Using sodium hydroxide and white lime
When the scheme that powder combines, it is firstly added the solution that sodium hydroxide makes reaction solution form pH value 10~12, tower type separator 4 is respectively bored
The flue gas thread being uniformly discharged on shape cover periphery sufficiently reflects that reaction solution absorbs flue gas and generates NaSO with sodium hydroxide solution3With
Na2SO4Sewage solution.Hydrated lime in powder is launched at regular time and quantity into desulfurization reflection container again, and ripe stone is calculated according to sulfur content in flue gas
The injected volume and dispensing speed of ashes, make itself and NaSO3And Na2SO4Sufficiently reaction generates Ca(SO3)2And CaSO4Precipitating suspension
Grain.Ca(SO3)2And CaSO4Precipitating suspended particulate, which enters gradually to deposit after auxiliary sedimentation basin 9, forms sedimentary, the auxiliary precipitating of periodic cleaning
Pond 9.The part sodium hydroxide solution for immersing aeration tank 5 directly reflects with flue gas in aeration tank 5, but seldom contacts hydrated lime in powder,
So be located at primary precipitate pond 8 in mainly dust impurities precipitating, reflection precipitating it is less, can with contamination precipitation periodic cleaning,
Precipitation process difficulty reduces, and dust impurities precipitating will not enter 4 upper layer of tower type separator, does not influence reflection circulation, can directly exist
Realize that sediment separation reaches capacity enlargement effect in existing reaction vessel, simple and reasonable, occupied area is small, and that adds is tower
4 manufacturing cost of separator is lower, and maintenance workload very little, operating quantity is seldom, and using effect is good.
Embodiment 2: on that basis of example 1, using a kind of adder-subtractor 15 of continuous uniform, to reach stable reaction solution
The basicly stable purpose of middle concentration of lye.Referring to shown in 4 and Fig. 5, the adder-subtractor 15 include support arm 151, feeding tube 152,
Storage hopper 153, material toggling roller 155 and motor 159 etc..Wherein, feeding tube 152 and storage hopper 153 are fixed on 151 inside of support arm,
And storage hopper 153 is located at 152 upside of feeding tube, the two connection is horizontally installed with shaft 154 in 152 upper end of feeding tube, and is turning
Material toggling roller 155 is fixed on axis 154, the circumference side of material toggling roller 155 is evenly distributed with hopper 156,152 bottom of feeding tube suit
There is material guiding hopper 157, gear-box 158 and motor 159 are fixed on support arm 151, shaft 154 and 158 output end of gear-box connect
It connects, motor 159 is connect with 158 input terminal of gear-box, and the hydrated lime in powder in storage hopper 153 passes through each material of material toggling roller 155
Slot is entered in feeding tube 152 after at the uniform velocity equal part, is entered in desulfurization reaction vessel 1 by material guiding hopper 157.
Embodiment 3: on the basis of embodiment 1 or 2, further by installation liquid level sensor come detect reaction solution height with
The timely moisturizing of water supply pipe 14 is controlled, degree is deposited to control drawing water opportunity for water pump 11 by installation detection sediment, passes through inspection
It surveys the pH value of reaction solution in desulfurization reaction vessel 1 and mends alkali in time to control adder-subtractor 15, or according to lye neutral and alkali component
Average consumption automatic uniform speed adds alkali.Sediment siltation journey in primary precipitate pond 8 and auxiliary sedimentation basin 9 can also be detected by sensor
Degree realizes automatic control circulation and precipitates quantitative remind.
Claims (4)
1. a kind of boiler blow down flash device, including desulfurization reaction vessel, pressure wind smoke-intake pipe road and smoke discharging pipe, and it is anti-to desulfurization
It answers in container plus the device of alkali, the flue dust from boiler combustion is led to by pressing wind smoke-intake pipe road to enter desulfurization reaction vessel bottom
It is discharged after crossing desulfurization reaction vessel from the smoke discharging pipe at the top of it, which is characterized in that be set in desulfurization reaction vessel tower
Separator, the tower type separator include the cone-shaped hood that multiple groups are successively set with, and first cone-shaped hood is top closed, remaining each cone-shaped hood
Top is provided with apical pore, is fixed with guiding inserted link in the upper layer cover of adjacent conical cover, and each inserted link that is oriented to is plugged in lower layer's cone-shaped hood
Apical pore in, the inner wall sleeve of each cone-shaped hood is equipped with bed course, is evenly distributed with air channel on bed course inner wall；Positioned at tower type separator
Packed primary precipitate pond is arranged in bottom, and it is Packed auxiliary heavy that the inclined-plane of tower type separator passes downwardly through reaction sedimentation channel connection
Shallow lake pond, auxiliary sedimentation basin are provided with integrally but therebetween interlayer with filtering pond, and interlayer upper end level is high lower than auxiliary precipitating pool wall
Degree；Water pump is installed in filtering pond, the drinking-water pipe of water pump is connected in the desulfurization reaction vessel inner cavity, the water outlet of drinking-water pipe
Mouth is tangent with desulfurization reaction vessel inner cavity and tilts down along the horizontal plane, and make drinking-water pipe goes out water-driven desulfurization reaction vessel inner cavity
Reaction solution rotation.
2. boiler blow down flash device according to claim 1, which is characterized in that in the water of the reaction sedimentation channel entrance
It flows down side position and is fixed with perpendicular sieve.
3. boiler blow down flash device according to claim 1, which is characterized in that be arranged in the lower section of the tower type separator
Having the plate containing equal cloth hole to be used as divides gas to comb.
4. boiler blow down flash device according to claim 1, which is characterized in that used adder-subtractor includes outer branch
Frame, feeding tube, storage hopper, material toggling roller and motor, feeding tube and storage hopper are fixed on the inside of support arm, and storage hopper is located at conveying
Cylinder upside, the two connection, is horizontally installed with shaft in feeding tube upper end, and material toggling roller is fixed in shaft, the circle of material toggling roller
All sides are evenly distributed with hopper, and feeding tube bottom is set with material guiding hopper, and gear-box and motor, shaft are fixed on support arm
It is connect with gearbox output, motor is connect with gear box input.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582032.1A CN109724100A (en) | 2018-12-24 | 2018-12-24 | Boiler blow down flash device |
| CN201910440173.8A CN109990306B (en) | 2018-12-24 | 2019-05-24 | Boiler blow-off flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811582032.1A CN109724100A (en) | 2018-12-24 | 2018-12-24 | Boiler blow down flash device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109724100A true CN109724100A (en) | 2019-05-07 |
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ID=66295968
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811582032.1A Pending CN109724100A (en) | 2018-12-24 | 2018-12-24 | Boiler blow down flash device |
| CN201910440173.8A Active CN109990306B (en) | 2018-12-24 | 2019-05-24 | Boiler blow-off flash tank |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910440173.8A Active CN109990306B (en) | 2018-12-24 | 2019-05-24 | Boiler blow-off flash tank |
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| Country | Link |
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| CN (2) | CN109724100A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143777B (en) * | 2022-06-27 | 2024-04-09 | 新利得（天津）焊接材料有限公司 | Feeding equipment for aluminum alloy welding wire production |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145266Y (en) * | 2007-12-14 | 2008-11-05 | 西安长庆科技工程有限责任公司 | Boiler pollution discharge secondary steam separator |
| CN102847424A (en) * | 2012-08-31 | 2013-01-02 | 巩义市良慧环保机械设备厂 | Cyclone reactor and dual-alkali desulphurization and dedusting process |
| CN107158919A (en) * | 2017-07-18 | 2017-09-15 | 叶宏 | A kind of high-efficient wet-type Multistage desulfuration deduster |
| CN108159854A (en) * | 2017-11-28 | 2018-06-15 | 江苏民生重工有限公司 | A kind of coal-burning boiler wet desulfurization system |
-
2018
- 2018-12-24 CN CN201811582032.1A patent/CN109724100A/en active Pending
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2019
- 2019-05-24 CN CN201910440173.8A patent/CN109990306B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109990306A (en) | 2019-07-09 |
| CN109990306B (en) | 2020-04-14 |
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Application publication date: 20190507 |
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