CN206867970U - The dechlorination processing system of ammonia process of desulfurization slurries - Google Patents
The dechlorination processing system of ammonia process of desulfurization slurries Download PDFInfo
- Publication number
- CN206867970U CN206867970U CN201720419976.1U CN201720419976U CN206867970U CN 206867970 U CN206867970 U CN 206867970U CN 201720419976 U CN201720419976 U CN 201720419976U CN 206867970 U CN206867970 U CN 206867970U
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- China
- Prior art keywords
- air
- airduct
- slurries
- spray drying
- processing system
- 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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- 239000002002 slurry Substances 0.000 title claims abstract description 64
- 230000003009 desulfurizing Effects 0.000 title claims abstract description 35
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 27
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 22
- 238000001694 spray drying Methods 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 229920002456 HOTAIR Polymers 0.000 claims abstract description 15
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 10
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 241000370738 Chlorion Species 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- 235000019270 ammonium chloride Nutrition 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- QDHHCQZDFGDHMP-UHFFFAOYSA-N monochloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- -1 sulphur ammonium Chemical compound 0.000 description 3
- BIGPRXCJEDHCLP-UHFFFAOYSA-O azanium;sulfuric acid Chemical compound [NH4+].OS(O)(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-O 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000005712 crystallization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000003137 locomotive Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000725 suspension Chemical group 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
Abstract
Slurries processing system technical field is the utility model is related to, discloses a kind of dechlorination processing system of ammonia process of desulfurization slurries.The liquid outlet of the utility model fluid reservoir is connected by the top inlet of slurries pump and spray drying tower, spray drying top of tower is provided with volute type air channel, the air inlet in volute type air channel is connected with hot air duct, the bottom discharge mouth of spray drying tower is connected by pipeline with primary cyclone air inlet, the air outlet of primary cyclone is connected by the air inlet of the first airduct and secondary cyclone, the air outlet of secondary cyclone is connected by the second airduct with air-introduced machine, the air outlet of primary cyclone is also connected by the 3rd airduct with air-introduced machine, control valve is in series with respectively on first airduct and the 3rd airduct, air-introduced machine is connected by pipeline with desulfurizing tower, the bottom discharge mouth of Cyclonic separating apparatus is connected with unloader.The utility model is simple in construction, easy to operate, dechlorination effect.
Description
Technical field
Slurries processing system technical field is the utility model is related to, at a kind of dechlorination of ammonia process of desulfurization slurries
Reason system.
Background technology
The ammonia process of desulfurization is by the use of ammonia as absorbent, absorbs and solidifies the sulfur dioxide in flue gas, produces byproduct sulfuric acid
Ammonium.But in the sweetening process of reality, can enter in flue gas containing substantial amounts of chlorion with flue gas in slurries and constantly be enriched with,
Chlorine ion concentration can in concentrated slurry section rising in direct ratio with the rise of density, peak sulphur ammonium slurries in prewashing column
Chloride ion content average value reaches 60000mg/L, has a strong impact on whole desulfurizer safe and stable operation；Chlorion is with ammonium chloride
The content discharged with ammonium sulfate byproduct of form below 1%, the enrichment of chlorion can cause the heavy corrosion of equipment.Metal
The heavy metal ion that equipment corrosion and flue gas are carried in fire coal is gathered in sulphur ammonium slurries, causes slurries heavy metal ion exceeded,
The activity decrease of slurries sulfur dioxide absorption, and ammonium sulfate crystallization size is influenceed, and then influence dewatering system stable operation, desulfurization
System balancing is broken.
It is to take method of abandoning to remove the chlorion in slurries in traditional desulfurization slurry technique.In method is abandoned, take out
Fraction slurries add the medicaments such as lime stone slurry, organic sulfur compound by three headers, make the weight in slurries to slurries processing system
The harmful substances such as metal ion, suspension form solid precipitation, then by inspissator, plate and frame filter press by solids separation, only
Slurries after change can carry the directly outer row of chlorion in slurries.Ammonia desulfurizing process, desulfurizing byproduct are (NH4)2SO4.2H2O, if going removing chloride technique using conventional method of abandoning, substantial amounts of ammonium sulfate can be contained in the slurries arranged outside,
The waste of desulfurizing agent is so on the one hand caused, is on the other hand unable to reach the mark directly discharged in the slurries environmental protection containing ammonium sulfate
It is accurate.Therefore conventional slurries processing system is not suitable for the processing of ammonia process of desulfurization slurries.
Utility model content
The utility model provides a kind of dechlorination simple in construction, easy to operate, the preferable ammonia process of desulfurization slurries of dechlorination effect
Processing system.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, including fluid reservoir, spray drying tower, one cyclonic point
From device, secondary cyclone and unloader, the ammonium sulfate slurries conveyance conduit after the inlet of the fluid reservoir and concentration connects
Connect, the liquid outlet of fluid reservoir is connected by the top inlet of slurries pump and spray drying tower, and spray drying top of tower is provided with
Volute type air channel, the air inlet in volute type air channel are connected with hot air duct, and bellows of the hot air duct other end and boiler connect,
Air-heater is connected by the 4th airduct with hot air duct, and the air outlet in volute type air channel is being located at atomizing disk in spray drying tower just
Top, the bottom discharge mouth of spray drying tower are connected by pipeline with primary cyclone air inlet, primary cyclone
Air outlet connected by the air inlet of the first airduct and secondary cyclone, the air outlet of secondary cyclone passes through the
Two airducts are connected with air-introduced machine, and the air outlet of primary cyclone is also connected by the 3rd airduct with air-introduced machine, the first airduct,
Control valve is in series with 3rd airduct and the 4th airduct respectively, air-introduced machine is connected by pipeline with desulfurizing tower, Cyclonic separating apparatus
Bottom discharge mouth be connected with unloader.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, further, the control valve are airduct butterfly valve.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, further, in addition to liquid level gauge, the liquid level gauge
It is arranged on fluid reservoir upper portion side wall.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries, further, in addition to control system, the control
System respectively with liquid level gauge, slurries pump, air-heater, air-introduced machine, spray drying tower, primary cyclone, two level cyclonic separation
Device and the electrical connection of each control valve.
The dechlorination processing system of the utility model ammonia process of desulfurization slurries has the advantages that compared with prior art：
The dechlorination processing system of the utility model ammonia process of desulfurization slurries collects the desulfurization slurry after concentration, is sent into spray drying
In tower, pass through high speed rotating spraying and hot air heat exchange double action so that the moisture in high concentration slurries rapidly evaporates, slurry
The ammonium chloride and heavy metallic salt formed in liquid containing substantial amounts of chlorion are collectively forming dry knot with the ammonium sulfate remained in slurries
Crystalline substance, form collection and recovery that powder particle realizes solid particulate matter with hot-air into cyclone separator, the carrying of evaporated
The steam for having fine solid particles sends desulfurizing tower back to hot-air, at the purification for repeating desulfurization wastewater waste liquid as thermal source
Reason, has not only saved the energy, more realizes no pollution and discharges, a small amount of pollutant passes through the concentration of sulfur removal technology in steam, can
The dry separation carried out again is turned again in dechlorination processing system of the present utility model.The utility model as desulfurization slurry at
Branch process system in science and engineering skill, it is left the content of the chlorion in ammonium sulfate slurries and heavy metal ion can be reduced half
The right side, greatly reduce corrosivity of the high-concentration chlorine ion to equipment, extend the service life of equipment, reduce production cost and
Maintenance cost；Avoiding heavy metal ion enrichment in slurries simultaneously causes slurry activity, desulfuration efficiency to decline, and sulphur ammonium crystallization is abnormal
The problem of dehydration is difficult, system balancing is destroyed.The utility model is simple in construction, easy to operate, Automated condtrol, is taken off as branch
Chlorine processing system can be widely applied in any ammonia desulfurizing process wastewater treatment.
The utility model is provided with branch road airduct and control valve on two stage cyclone separator, can be according to actual treatment situation
The airduct butterfly valve on the first airduct and the second airduct is adjusted, the hot blast for carrying particulate matter is only entered primary cyclone
By first separation, or primary cyclone and secondary cyclone are sequentially entered, by separating twice, resource is closed
Reason is efficient to be utilized, and avoids the waste of the energy.
The dechlorination processing system of ammonia process of desulfurization slurries of the present utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation of the dechlorination processing system of the utility model ammonia process of desulfurization slurries.
Reference：
1- fluid reservoirs；11- liquid level gauges；2- slurries pumps；3- spray drying towers；31- volute types air channel；4- air-heaters；51- mono-
Level cyclone separator；52- secondary cyclones；6- air-introduced machines；7- unloaders；8- hot air ducts；The airducts of 81- first；82-
Two airducts；The airducts of 83- the 3rd；The airducts of 84- the 4th.
Embodiment
As shown in figure 1, the dechlorination processing system of the utility model ammonia process of desulfurization slurries includes control system, fluid reservoir 1, spray
Mist drying tower 3, primary cyclone 51, secondary cyclone 52 and unloader 7, after the inlet of fluid reservoir 1 and concentration
The connection of ammonium sulfate slurries conveyance conduit, the upper portion side wall of fluid reservoir 1 is provided with liquid level gauge 11, and liquid level gauge 11 is electrically connected with control system
Connect, the liquid outlet of fluid reservoir 1 is connected by slurries pump 2 with the top inlet of spray drying tower 3, and the top of spray drying tower 3 is set
Volute type air channel 31 is equipped with, the air inlet in volute type air channel 31 is connected with hot air duct 8, the other end of hot air duct 8 and boiler one
Secondary bellows connection, air-heater 4 are connected by the 4th airduct 84 with hot air duct 8, and the air outlet in volute type air channel 31 is positioned at spraying
Directly over atomizing disk in drying tower 3, the bottom discharge mouth of spray drying tower 3 is entered by pipeline and primary cyclone 51
Gas port is connected, and the air outlet of primary cyclone 51 is connected by the air inlet of the first airduct 81 and secondary cyclone 52
Connect, the air outlet of secondary cyclone 52 is connected by the second airduct 82 with air-introduced machine 6, the air-out of primary cyclone 51
Mouth is also connected by the 3rd airduct 83 with air-introduced machine 6, is in series with respectively on the first airduct 81, the 3rd airduct 83 and the 4th airduct 84
Control valve, control valve are airduct butterfly valve, and air-introduced machine 6 is connected by pipeline with desulfurizing tower, primary cyclone 51 and two level rotation
The bottom discharge mouth of wind separator 52 is connected with unloader 7 respectively, control system respectively with slurries pump 2, air-heater 4, air-introduced machine
6th, spray drying tower 3, primary cyclone 51, secondary cyclone 52 and the electrical connection of each control valve.
The course of work of the dechlorination processing system of the utility model ammonia process of desulfurization slurries is specific as follows：
Contain substantial amounts of chlorion in ammonium sulfate slurries after concentration, entered by slurries conveyance conduit in fluid reservoir 1 and received
Collection, during processing system to be launched, the slurries in fluid reservoir 1 are pumped into spray drying tower 3 by slurries pump 2, rotating speed 15000
Turn/min high-speed electric expreess locomotive drives atomizing disk to rotate at a high speed, centrifugal force caused by atomizing disk causes slurry spraying, and air-heater 4 produces
Hot air temperature volute type air channel 31 can be entered under the guiding of air-introduced machine 6 by pipeline, wrapped after export more than 300 DEG C
The surrounding of atomizing disk is rolled in, carries out heat exchange with the drop after atomization so that the quick evaporation drying of slurry droplet, form sulfuric acid
Ammonium, ammonium chloride powder and other bulky grain solid materials fall into the bottom of towe of spray drying tower 3, the temperature control in spray drying tower 3
For system in the range of 120-130 DEG C, solid matter enters Cyclonic separating apparatus with hot-air, can be according to actual treatment situation regulation the
Airduct butterfly valve on one airduct 81 and the second airduct 82, makes the hot blast for carrying particulate matter only enter primary cyclone 51
By first separation, or primary cyclone 51 and secondary cyclone 52 are sequentially entered, by separating twice, resource obtains
Utilized to rationally efficient, avoid the waste of the energy；Larger particle falls into the bottom of cyclone separator, passes through unloader 7
Exclude to collect, comparatively fine particle returns in desulphurization system purified treatment again with hot-air under the guiding of air-introduced machine 6.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, the protection of the utility model claims book determination all should be fallen into
In the range of.
Claims (4)
1. the dechlorination processing system of ammonia process of desulfurization slurries, it is characterised in that：Including fluid reservoir（1）, spray drying tower（3）, one-level
Cyclone separator（51）, secondary cyclone（52）And unloader（7）, the fluid reservoir（1）Inlet and concentration after
Ammonium sulfate slurries conveyance conduit connects, fluid reservoir（1）Liquid outlet pass through slurries pump（2）With spray drying tower（3）Top enter
Liquid mouth connects, spray drying tower（3）Top is provided with volute type air channel（31）, volute type air channel（31）Air inlet and warm-air pipe
Road（8）Connection, hot air duct（8）Bellows of the other end and boiler connect, air-heater（4）Pass through the 4th airduct（84）With hot blast
Pipeline（8）Connection, volute type air channel（31）Air outlet be located at spray drying tower（3）In atomizing disk directly over, spray drying
Tower（3）Bottom discharge mouth pass through pipeline and primary cyclone（51）Air inlet connects, primary cyclone（51）'s
Air outlet passes through the first airduct（81）With secondary cyclone（52）Air inlet connection, secondary cyclone（52）Go out
Air port passes through the second airduct（82）With air-introduced machine（6）Connection, primary cyclone（51）Air outlet also pass through the 3rd airduct
（83）With air-introduced machine（6）Connection, the first airduct（81）, the 3rd airduct（83）With the 4th airduct（84）It is upper to be in series with control respectively
Valve, air-introduced machine（6）It is connected by pipeline with desulfurizing tower, the bottom discharge mouth and unloader of Cyclonic separating apparatus（7）Connection.
2. the dechlorination processing system of ammonia process of desulfurization slurries according to claim 1, it is characterised in that：The control valve is wind
Pipe butterfly valve.
3. the dechlorination processing system of ammonia process of desulfurization slurries according to claim 2, it is characterised in that：Also include liquid level gauge
（11）, the liquid level gauge（11）It is arranged on fluid reservoir（1）Upper portion side wall.
4. the dechlorination processing system of ammonia process of desulfurization slurries according to claim 3, it is characterised in that：Also include control system
System, the control system respectively with liquid level gauge（11）, slurries pump（2）, air-heater（4）, air-introduced machine（6）, spray drying tower（3）、
Primary cyclone（51）, secondary cyclone（52）Electrically connected with each control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720419976.1U CN206867970U (en) | 2017-04-20 | 2017-04-20 | The dechlorination processing system of ammonia process of desulfurization slurries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720419976.1U CN206867970U (en) | 2017-04-20 | 2017-04-20 | The dechlorination processing system of ammonia process of desulfurization slurries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206867970U true CN206867970U (en) | 2018-01-12 |
Family
ID=61343487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720419976.1U Active CN206867970U (en) | 2017-04-20 | 2017-04-20 | The dechlorination processing system of ammonia process of desulfurization slurries |
Country Status (1)
| Country | Link |
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| CN (1) | CN206867970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102158A (en) * | 2018-06-19 | 2019-08-09 | 北京国发正源环保科技有限公司 | A kind of desulfurization slurry dechlorination process |
-
2017
- 2017-04-20 CN CN201720419976.1U patent/CN206867970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102158A (en) * | 2018-06-19 | 2019-08-09 | 北京国发正源环保科技有限公司 | A kind of desulfurization slurry dechlorination process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100039 room 901, 9 / F, building 1, yard 16, West Fourth Ring Middle Road, Haidian District, Beijing Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 100039 room 911, 1 building, 16 West Fourth Ring Road, Haidian District, Beijing. Patentee before: BEIJING GUODIAN LONGYUAN ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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