CN204073817U - Emission-control equipment in PAFC production - Google Patents
Emission-control equipment in PAFC production Download PDFInfo
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- CN204073817U CN204073817U CN201420518675.0U CN201420518675U CN204073817U CN 204073817 U CN204073817 U CN 204073817U CN 201420518675 U CN201420518675 U CN 201420518675U CN 204073817 U CN204073817 U CN 204073817U
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- Prior art keywords
- recovery tower
- interface
- chopped
- final stage
- circulating pump
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- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000011084 recovery Methods 0.000 claims abstract description 217
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 157
- 239000007788 liquid Substances 0.000 claims abstract description 138
- 239000003513 alkali Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 37
- 239000002912 waste gas Substances 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000002459 sustained effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000000701 coagulant Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- -1 aluminium iron chloride Chemical compound 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000005540 biological transmission Effects 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
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
An emission-control equipment in PAFC production, belongs to technical field of environmental protection facilities.Comprise be arranged in order chopped-off head, centre and final stage recovery tower, alkali lye shower is established in chopped-off head recovery tower, chopped-off head recovery tower top cover forms chopped-off head recovery tower top cover interface, form waste gas in the bottom of chopped-off head recovery tower and introduce interface, chopped-off head recovery tower is established chopped-off head recovery tower return liquid interface, alkali lye shower connects alkali lye circulation pipe, to return between liquid interface with chopped-off head recovery tower at alkali lye circulation pipe and be connected NaOH solution circulating pump; Establish in middle recovery tower on absorbing liquid shower, top cover and form middle recovery tower top cover interface, bottom formation single treatment gas introducing interface, recovery tower blowdown interface in the middle of the bottom of middle recovery tower is formed; In final stage recovery tower, establish water sprayer tube, final stage recovery tower top cover connects chimney interface and water-circulating pipe, bottom formation after-treatment gas introducing interface.Meet the exhaust-gas treatment requirement produced during PAFC is produced.
Description
Technical field
The utility model belongs to technical field of environmental protection facilities, is specifically related to the emission-control equipment in the production of a kind of PAFC.
Background technology
The english abbreviation of PAFC is PAFC, because it has the strong point of ten aspects being not limited to conclude below: one be consumption lower than traditional coagulant as bodied ferric sulfate, aluminium polychloride; Two be the characteristic of inorganic polymer aluminium polychloride and poly-ferric chloride is held concurrently and it; Three is that floccule body forms speed and settling velocity is fast, and disposal ability is strong; Four is little to the basicity consumption in water, and water outlet pH value reduces few; Five are that aqueous solution insoluble matter is low and light transmission good; Six is that applicable pH value range is wide, all can use in the scope of pH5-9; Seven is to turbidity, basicity and content of organics change strong adaptability; Eight is that heavy metal content index can meet China standard GB/T 15892-2003 requirement; Nine is that residual free aluminium content is low, and the water quality after purification is excellent; Ten be corrosivity little and be easy to dissolve, be thus widely used in the process to such as Drinking Water, water for industrial use, sanitary wastewater and trade effluent.
As is known in the industry, the waste gas containing the such as material of chlorine, hydrogen chloride and hydrogen sulfide and so on can be produced in the production of PAFC, if do not drain into the external world with thus adding any process, so certainly can undermine environment.The technical information about preparing PAFC is no lack of in disclosed Chinese patent literature, slightly with exemplify as CN100347098C(aluminium iron chloride of coagulant agent in polymorphism polymerization and preparation method thereof), the production method of a CN100554178C(inorganic macromolecule flocculant poly aluminium chloride ferrum), CN101172684B(utilizes the method for flyash industrial production of polymeric aluminum ferric chloride water purification agent) and CN102139943B(mono-kind prepare the method for PAFC with Extracting Scandium from Red Mud liquid), etc.But in disclosed patent and non-patent literature, be showed no all technical information to the special purpose device that the waste gas produced in PAFC production processes.
The preparation method being not limited to above mentioned PAFC all has the positive effect utilizing discarded object (as ferrous waste acid liquid etc.), if but lack effective exhaust-gas treatment measure, while utilizing discarded object, so create again the atypical problem affecting environment.Specifically, how use utilizing ferrous waste acid liquid to prepare PAFC the maximization embodying resource be worth and avoid the waste gas produced in preparation process environment is impacted between find rational equalization point problem suffer from industry for a long time, and expect to solve.To this, the applicant has carried out long-term concern and exploration, and defines technical scheme described below.
Summary of the invention
Task of the present utility model is to provide a kind of contributing to effectively process the waste gas produced in PAFC production and use the emission-control equipment in the PAFC production of protection of the environment.
Task of the present utility model has been come like this, emission-control equipment in a kind of PAFC production, be included in the chopped-off head recovery tower that using state lower support is arranged in order on terrace and with state from left to right, one middle recovery tower and a final stage recovery tower, be positioned at top and be provided with alkali lye shower in chopped-off head recovery tower, the chopped-off head recovery tower top cover of chopped-off head recovery tower is configured with a chopped-off head recovery tower top cover interface, this chopped-off head recovery tower top cover interface connects one end of one first fairlead, and the other end of this first fairlead towards described middle recovery tower direction extend and connect with the bottom of the short transverse of middle recovery tower, be configured with a waste gas in the bottom of the short transverse of chopped-off head recovery tower and introduce interface, this waste gas introduce interface produced by waste gas introduction pipeline and PAFC in a state of use in reaction vessel connect, chopped-off head recovery tower is provided with a chopped-off head recovery tower in the position corresponding to described waste gas and introduce the below of interface and returns liquid interface, and on described alkali lye shower, be connected with an alkali lye circulation pipe, return between liquid interface at this alkali lye circulation pipe and chopped-off head recovery tower and be connected with a NaOH solution circulating pump, this NaOH solution circulating pump is returning liquid interface position corresponding to chopped-off head recovery tower is supported on terrace, a chopped-off head recovery tower blowdown interface is being configured with the position that described chopped-off head recovery tower goes back to the relative side of liquid interface in the bottom of chopped-off head recovery tower, this chopped-off head recovery tower blowdown interface is provided with a chopped-off head recovery tower blowdown control valve, be positioned at top and be provided with absorbing liquid shower in middle recovery tower, the middle recovery tower top cover of middle recovery tower is configured with a middle recovery tower top cover interface, this middle recovery tower top cover interface connects one end of one second fairlead, and the other end of this second fairlead towards described final stage recovery tower direction extend and connect with the bottom of the short transverse of final stage recovery tower, be configured with a single treatment gas in the bottom of the short transverse of middle recovery tower and introduce interface, the other end of described first fairlead and this single treatment gas are introduced interface and are connected, middle recovery tower is provided with a middle recovery tower in the position of below corresponding to single treatment gas and introduce interface and returns liquid interface, and on described absorbing liquid shower, be connected with an absorbing liquid circulation pipe, return between liquid interface at this absorbing liquid circulation pipe and middle recovery tower and be connected with an absorbing liquid circulating pump, this absorbing liquid circulating pump is returning liquid interface position corresponding to middle recovery tower is supported on terrace, a middle recovery tower blowdown interface is configured with relative to the position of side in the bottom of middle recovery tower and returning liquid interface with described middle recovery tower, this middle recovery tower blowdown interface is provided with a middle recovery tower blowdown control valve, in final stage recovery tower and the top being positioned at final stage recovery tower is provided with water sprayer tube, the final stage recovery tower top cover of final stage recovery tower a chimney interface and a water-circulating pipe have been connected, this water-circulating pipe is connected with described water sprayer tube and communicates with water sprayer tube, be configured with an after-treatment gas in the bottom of the short transverse of final stage recovery tower and introduce interface, the other end of described second fairlead and this after-treatment gas are introduced interface and are connected, final stage recovery tower is provided with a final stage recovery tower in the position of below corresponding to after-treatment gas and introduce interface and returns liquid interface, return between liquid interface at described water-circulating pipe and final stage recovery tower and be connected with a water-circulating pump, this water-circulating pump is returning liquid interface position corresponding to final stage recovery tower is supported on terrace, a final stage recovery tower blowdown interface is being configured with the position that described final stage recovery tower goes back to the relative side of liquid interface in the bottom of final stage recovery tower, this final stage recovery tower blowdown interface is provided with a final stage recovery tower blowdown control valve.
In a specific embodiment of the present utility model, described alkali lye shower is configured with alkali lye nozzle with space state; Described absorbing liquid shower is configured with absorbing liquid nozzle with space state; Described water sprayer tube is configured with Water spray mouth with space state.
In another specific embodiment of the present utility model, the first described fairlead and the second fairlead are bending.
In another specific embodiment of the present utility model, described is bending bending in zigzag.
In another specific embodiment of the present utility model, height and the volume of described chopped-off head recovery tower, middle recovery tower and final stage recovery tower are identical.
Also have in a specific embodiment of the present utility model, described waste gas introduces interface, single treatment gas introduces interface and after-treatment gas introducing interface is in sustained height.
More of the present utility model and in a specific embodiment, described NaOH solution circulating pump has a NaOH solution circulating pump inlet and NaOH solution circulating pump liquid outlet, NaOH solution circulating pump inlet and described chopped-off head recovery tower return liquid interface and connect, and NaOH solution circulating pump liquid outlet and described alkali lye circulation pipe connect; Described absorbing liquid circulating pump has an absorbing liquid circulating pump inlet and an absorbing liquid circulating pump liquid outlet, and absorbing liquid circulating pump inlet and described middle recovery tower return liquid interface and connect, and absorbing liquid circulating pump liquid outlet and described absorbing liquid circulation pipe connect; Described water-circulating pump has a water-circulating pump inlet and a water-circulating pump liquid outlet, and water-circulating pump inlet and described final stage recovery tower return liquid interface and connect, and water-circulating pump liquid outlet and described water-circulating pipe connect.
In an of the present utility model and then specific embodiment, the pipeline of described alkali lye circulation pipe is connected with an alkali lye inlet tube, the pipeline of this alkali lye inlet tube is provided with an alkali lye inlet tube control valve.
More, in a specific embodiment, the pipeline of described absorbing liquid circulation pipe is connected with an absorbing liquid inlet tube again of the present utility model, the pipeline of this absorbing liquid inlet tube is provided with an absorbing liquid inlet tube control valve.
In an again of the present utility model and then specific embodiment, the pipeline of described water-circulating pipe is connected with a water inlet pipe, the pipeline of this water inlet pipe is provided with a water inlet pipe control valve.
The technical scheme that the utility model provides carries out alkali lye spray by chopped-off head recovery tower to the waste gas come from PAFC production, absorbing liquid spray is carried out to by the single treatment gas after the process of chopped-off head recovery tower again by middle recovery tower, and then carry out Water spray by final stage recovery tower to by the after-treatment gas after middle recovery tower process, thus the gas draining into the external world through chimney by chimney interface can be made to meet environmental requirement, meet the exhaust-gas treatment requirement produced during PAFC is produced.
Accompanying drawing explanation
Fig. 1 is example structure figure of the present utility model.
Detailed description of the invention
In the following description, every concept relating to left, center, right is all for the location status residing for Fig. 1, thus can not be interpreted as and be particularly limited to of the present utility model.
Refer to Fig. 1, give and be supported in a state of use on terrace and the chopped-off head recovery tower 1 be arranged in order with state from left to right, one middle recovery tower 2 and a final stage recovery tower 3, be positioned at top and be provided with one group of alkali lye shower 11 in chopped-off head recovery tower 1, the chopped-off head recovery tower top cover 12 of chopped-off head recovery tower 1 is configured with a chopped-off head recovery tower top cover interface 121, this chopped-off head recovery tower top cover interface 121 connects one (illustrated upper end) of one first fairlead 1211, and this first fairlead 1211 another (illustrated lower end) towards middle recovery tower 2 direction extend and connect with the bottom of the short transverse of middle recovery tower 2, be configured with a waste gas in the bottom of the short transverse of chopped-off head recovery tower 1 and introduce interface 13, this waste gas introduce interface 13 produced by waste gas introduction pipeline 131 and PAFC in a state of use in reaction vessel and reactor connect, chopped-off head recovery tower 1 is provided with a chopped-off head recovery tower in the position of below corresponding to waste gas and introduce interface 13 and returns liquid interface 14, and on aforementioned alkali lye shower 11, be connected with an alkali lye circulation pipe 111, return between liquid interface 14 at this alkali lye circulation pipe 111 and chopped-off head recovery tower and connected a NaOH solution circulating pump 15, this NaOH solution circulating pump 15 is returning liquid interface 14 position corresponding to chopped-off head recovery tower is supported on terrace, a chopped-off head recovery tower blowdown interface 16 is being configured with the position that aforementioned chopped-off head recovery tower goes back to the relative side of liquid interface 14 in the bottom of chopped-off head recovery tower 1, this chopped-off head recovery tower blowdown interface 16 is provided with a chopped-off head recovery tower blowdown control valve 161.
As shown in Figure 1, aforesaid chopped-off head recovery tower returns liquid interface 14 and chopped-off head recovery tower blowdown interface 16 and is separated by 180 ° around the circumferencial direction of chopped-off head recovery tower 1, thus the bottom at chopped-off head recovery tower 1 said above having confirmed and be configured with the statement of a chopped-off head recovery tower blowdown interface 16 with the position that chopped-off head recovery tower goes back to the relative side of liquid interface 14, the middle recovery tower blowdown interface 26 will mentioned below and final stage recovery tower blowdown interface 36 are with example.
Be positioned at top and be provided with absorbing liquid shower 21 in aforesaid middle recovery tower 2, the middle recovery tower top cover 22 of middle recovery tower 2 is configured with a middle recovery tower top cover interface 221, this middle recovery tower top cover interface 221 connects one end (illustrated upper end) of one second fairlead 2211, and the other end of this second fairlead 2211 (illustrated lower end) towards aforementioned final stage recovery tower 3 direction extend and connect with the bottom of the short transverse of final stage recovery tower 3, be configured with a single treatment gas in the bottom of the short transverse of middle recovery tower 2 and introduce interface 23, the other end of aforementioned first fairlead 1211 and this single treatment gas are introduced interface 23 and are connected, middle recovery tower 2 is provided with a middle recovery tower in the position of below corresponding to single treatment gas and introduce interface 23 and returns liquid interface 24, and on aforesaid absorbing liquid shower 21, be connected with an absorbing liquid circulation pipe 211, return between liquid interface 24 at this absorbing liquid circulation pipe 211 and middle recovery tower and be connected with an absorbing liquid circulating pump 25, this absorbing liquid circulating pump 25 is returning liquid interface 24 position corresponding to middle recovery tower is supported on terrace, a middle recovery tower blowdown interface 26 is being configured with the position that middle recovery tower goes back to the relative side of liquid interface 24 in the bottom of middle recovery tower 2, this middle recovery tower blowdown interface 26 is provided with a middle recovery tower blowdown control valve 261.
In aforesaid final stage recovery tower 3 and the top being positioned at final stage recovery tower 3 is provided with water sprayer tube 31, the final stage recovery tower top cover 32 of final stage recovery tower 3 has connected chimney interface 321 and a water-circulating pipe 322, this water-circulating pipe 322 is connected with aforementioned water sprayer tube 31 and communicates with water sprayer tube 31, be configured with an after-treatment gas in the bottom of the short transverse of final stage recovery tower 3 and introduce interface 33, the other end (i.e. lower end) and this after-treatment gas of aforesaid second fairlead 2211 are introduced interface 33 and are connected, final stage recovery tower 3 is provided with a final stage recovery tower in the position of below corresponding to after-treatment gas and introduce interface 33 and returns liquid interface 34, return between liquid interface 34 at described water-circulating pipe 322 and final stage recovery tower and be connected with a water-circulating pump 35, this water-circulating pump 35 is returning liquid interface 34 position corresponding to final stage recovery tower is supported on terrace, a final stage recovery tower blowdown interface 36 is being configured with the position that aforementioned final stage recovery tower goes back to the relative side of liquid interface 34 in the bottom of final stage recovery tower 3, this final stage recovery tower blowdown interface 36 is provided with a final stage recovery tower blowdown control valve 361.
As shown in Figure 1, aforesaid alkali lye shower 11 is configured with alkali lye nozzle 112 with space state; Aforesaid absorbing liquid shower 21 is configured with absorbing liquid nozzle 212 with space state; Aforesaid water sprayer tube 31 is configured with Water spray mouth 311 with space state.
From the signal of Fig. 1, above mentioned first fairlead 1211 and the second fairlead 2211 all bend in zigzag, with the convenience embodied when connecting and the reliability connected.And then known as shown in Figure 1, the height of chopped-off head recovery tower 1, middle recovery tower 2 and final stage recovery tower 3 is identical and volume is equal.Aforesaid waste gas introduces interface 13, single treatment gas introduces interface 23 and the position of this three of after-treatment gas introducing interface 33 is in same level, and namely the height of three is identical.
Please continue to refer to Fig. 1, aforesaid NaOH solution circulating pump 15 has a NaOH solution circulating pump inlet 151 and NaOH solution circulating pump liquid outlet 152, NaOH solution circulating pump inlet 151 and aforesaid chopped-off head recovery tower return liquid interface 14 and connect, and NaOH solution circulating pump liquid outlet 152 and described alkali lye circulation pipe 111 connect; Aforesaid absorbing liquid circulating pump 25 has absorbing liquid circulating pump inlet 251 and an absorbing liquid circulating pump liquid outlet 252, absorbing liquid circulating pump inlet 251 and aforementioned middle recovery tower return liquid interface 24 and connect, and absorbing liquid circulating pump liquid outlet 252 and prior absorbent liquid circulation pipe 211 connect; Aforementioned water-circulating pump 35 has water-circulating pump inlet 351 and a water-circulating pump liquid outlet 352, and water-circulating pump inlet 351 and aforementioned final stage recovery tower return liquid interface 34 and connect, and water-circulating pump liquid outlet 352 and aforementioned water-circulating pipe 322 connect.
The pipeline of aforesaid alkali lye circulation pipe 111 is connected with an alkali lye inlet tube 1111, the pipeline of this alkali lye inlet tube 1111 is provided with an alkali lye inlet tube control valve 11111; The pipeline of aforesaid absorbing liquid circulation pipe 211 is connected with an absorbing liquid inlet tube 2111, the pipeline of this absorbing liquid inlet tube 211 is provided with an absorbing liquid inlet tube control valve 21111; The pipeline of aforesaid water-circulating pipe 322 is connected with a water inlet pipe 3221, and this water inlet pipe 3221 as tap water pipe line is connected, and is provided with a water inlet pipe control valve 32211 with water supply line on the pipeline of this water inlet pipe 3221.
Applicant's composition graphs 1 describes use of the present utility model, closes chopped-off head recovery tower blowdown control valve 161, middle recovery tower blowdown control valve 261 and final stage recovery tower blowdown control valve 361.By to the operation of alkali lye inlet tube control valve 11111 alkali lye being introduced chopped-off head recovery tower, by introducing absorbing liquid to the operation of absorbing liquid inlet tube control valve 21111 as copper-bath and by introducing water to the operation entering pipe control valve 32211 in final stage recovery tower 3 in middle recovery tower 2, closing alkali lye inlet tube control valve 11111, absorbing liquid inlet tube control valve 21111 and water inlet pipe control valve 32211 after introducing respectively.NaOH solution circulating pump 15, absorbing liquid circulating pump 25 and water-circulating pump 35 are all in running order.By waste gas introduction pipeline 131, the waste gas resulted from PAFC preparation process in reaction vessel and reactor is introduced interface 13 through waste gas and introduce chopped-off head recovery tower 1, by alkali lye nozzle 112 circulated sprinkling on alkali lye shower 11.The single treatment gas of the formation after alkali lye spray introduces middle recovery tower 2 by the first fairlead 1211, by absorbing liquid nozzle 212 circulated sprinkling on the absorbing liquid shower 21 of middle recovery tower 2.The after-treatment gas formed after the process of absorbing liquid spray is introduced interface 33 by the second fairlead 2211 through after-treatment gas and is introduced final stage recovery tower 3, sprayed its recirculated water by the Water spray mouth 311 of water sprayer tube 31, the gas up to standard formed after Water spray is discharged for chimney by chimney interface 321.
When the sewage in chopped-off head recovery tower 1 being discharged, then open chopped-off head recovery tower blowdown control valve 161 and drain into recovery pond, open final stage recovery tower blowdown control valve 361 and drain into recovery pond equally, the liquid part entered in recovery pond drains into reuse after the process of recycle-water treatment system, after supplementary part fresh water is as running water, be again used for exhaust-gas treatment as spray liquid.The water of releasing from middle recovery tower blowdown control valve 261 then recycles as absorbing liquid, processes after a period of time to waste liquid, and supplements new absorbing liquid again.Sediment in recovery pond and solids are extracted out by slush pump and are sent filter-pressing device press filtration.Supernatant in recovery pond is then as aforementioned and reuse.
Claims (10)
1.
emission-control equipment in a kind of PAFC production, it is characterized in that being included in the chopped-off head recovery tower (1) that using state lower support is arranged in order on terrace and with state from left to right, one middle recovery tower (2) and a final stage recovery tower (3), be positioned at top and be provided with alkali lye shower (11) in chopped-off head recovery tower (1), the chopped-off head recovery tower top cover (12) of chopped-off head recovery tower (1) is configured with chopped-off head recovery tower top cover interface (121), this chopped-off head recovery tower top cover interface (121) connects one end of one first fairlead (1211), and the other end of this first fairlead (1211) towards described middle recovery tower (2) direction extend and connect with the bottom of the short transverse of middle recovery tower (2), be configured with a waste gas in the bottom of the short transverse of chopped-off head recovery tower (1) and introduce interface (13), this waste gas introduce interface (13) produced by waste gas introduction pipeline (131) and PAFC in a state of use in reaction vessel connect, go up at chopped-off head recovery tower (1) and the position of the below corresponding to described waste gas introducing interface (13) is provided with a chopped-off head recovery tower and return liquid interface (14), and on described alkali lye shower (11), be connected with an alkali lye circulation pipe (111), return between liquid interface (14) at this alkali lye circulation pipe (111) and chopped-off head recovery tower and be connected with a NaOH solution circulating pump (15), this NaOH solution circulating pump (15) is returning liquid interface (14) position corresponding to chopped-off head recovery tower is supported on terrace, chopped-off head recovery tower blowdown interface (16) is being configured with the position that described chopped-off head recovery tower goes back to liquid interface (14) relative side in the bottom of chopped-off head recovery tower (1), this chopped-off head recovery tower blowdown interface (16) is provided with chopped-off head recovery tower blowdown control valve (161), be positioned at top and be provided with absorbing liquid shower (21) in middle recovery tower (2), the middle recovery tower top cover (22) of middle recovery tower (2) is configured with a middle recovery tower top cover interface (221), this middle recovery tower top cover interface (221) connects one end of one second fairlead (2211), and the other end of this second fairlead (2211) towards described final stage recovery tower (3) direction extend and connect with the bottom of the short transverse of final stage recovery tower (3), be configured with a single treatment gas in the bottom of the short transverse of middle recovery tower (2) and introduce interface (23), the other end of described first fairlead (1211) and this single treatment gas are introduced interface (23) and are connected, go up at middle recovery tower (2) and the position of the below corresponding to single treatment gas introducing interface (23) is provided with a middle recovery tower and return liquid interface (24), and on described absorbing liquid shower (21), be connected with an absorbing liquid circulation pipe (211), return between liquid interface (24) at this absorbing liquid circulation pipe (211) and middle recovery tower and be connected with an absorbing liquid circulating pump (25), this absorbing liquid circulating pump (25) is returning liquid interface (24) position corresponding to middle recovery tower is supported on terrace, a middle recovery tower blowdown interface (26) is being configured with the position that described middle recovery tower goes back to liquid interface (24) relative side in the bottom of middle recovery tower (2), this middle recovery tower blowdown interface (26) is provided with a middle recovery tower blowdown control valve (261), in final stage recovery tower (3) and the top being positioned at final stage recovery tower (3) is provided with water sprayer tube (31), the final stage recovery tower top cover (32) of final stage recovery tower (3) has connected a chimney interface (321) and a water-circulating pipe (322), this water-circulating pipe (322) is connected with described water sprayer tube (31) and communicates with water sprayer tube (31), be configured with an after-treatment gas in the bottom of the short transverse of final stage recovery tower (3) and introduce interface (33), the other end of described second fairlead (2211) and this after-treatment gas are introduced interface (33) and are connected, go up at final stage recovery tower (3) and the position of the below corresponding to after-treatment gas introducing interface (33) is provided with a final stage recovery tower and return liquid interface (34), return between liquid interface (34) at described water-circulating pipe (322) and final stage recovery tower and be connected with a water-circulating pump (35), this water-circulating pump (35) is returning liquid interface (34) position corresponding to final stage recovery tower is supported on terrace, final stage recovery tower blowdown interface (36) is being configured with the position that described final stage recovery tower goes back to liquid interface (34) relative side in the bottom of final stage recovery tower (3), this final stage recovery tower blowdown interface (36) is provided with final stage recovery tower blowdown control valve (361).
2.
emission-control equipment in PAFC production according to claim 1, is characterized in that being configured with alkali lye nozzle (112) with space state on described alkali lye shower (11); Described absorbing liquid shower (21) is configured with absorbing liquid nozzle (212) with space state; Described water sprayer tube (31) is configured with Water spray mouth (311) with space state.
3.
emission-control equipment in PAFC production according to claim 1, is characterized in that described the first fairlead (1211) and the second fairlead (2211) are bending.
4.
emission-control equipment in PAFC production according to claim 3, is characterized in that described bending bends in zigzag.
5.
emission-control equipment in PAFC production according to claim 1, is characterized in that the height of described chopped-off head recovery tower (1), middle recovery tower (2) and final stage recovery tower (3) and volume are identical.
6.
emission-control equipment in PAFC production according to claim 1, is characterized in that described waste gas introduces interface (13), single treatment gas introduces interface (23) and after-treatment gas introducing interface (33) is in sustained height.
7.
emission-control equipment in PAFC production according to claim 1, it is characterized in that described NaOH solution circulating pump (15) has a NaOH solution circulating pump inlet (151) and NaOH solution circulating pump liquid outlet (152), NaOH solution circulating pump inlet (151) and described chopped-off head recovery tower return liquid interface (14) and connect, and NaOH solution circulating pump liquid outlet (152) and described alkali lye circulation pipe (111) connect; Described absorbing liquid circulating pump (25) has an absorbing liquid circulating pump inlet (251) and an absorbing liquid circulating pump liquid outlet (252), absorbing liquid circulating pump inlet (251) and described middle recovery tower return liquid interface (24) and connect, and absorbing liquid circulating pump liquid outlet (252) and described absorbing liquid circulation pipe (211) connect; Described water-circulating pump (35) has a water-circulating pump inlet (351) and a water-circulating pump liquid outlet (352), water-circulating pump inlet (351) and described final stage recovery tower return liquid interface (34) and connect, and water-circulating pump liquid outlet (352) and described water-circulating pipe (322) connect.
8.
emission-control equipment in PAFC production according to claim 1 or 7, it is characterized in that being connected with an alkali lye inlet tube (1111) on the pipeline of described alkali lye circulation pipe (111), the pipeline of this alkali lye inlet tube (1111) is provided with an alkali lye inlet tube control valve (11111).
9.
emission-control equipment in PAFC production according to claim 1 or 7, it is characterized in that being connected with an absorbing liquid inlet tube (2111) on the pipeline of described absorbing liquid circulation pipe (211), the pipeline of this absorbing liquid inlet tube (2111) is provided with an absorbing liquid inlet tube control valve (21111).
10.
emission-control equipment in PAFC production according to claim 1 or 7, it is characterized in that being connected with a water inlet pipe (3221) on the pipeline of described water-circulating pipe (322), the pipeline of this water inlet pipe (3221) is provided with a water inlet pipe control valve (32211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518675.0U CN204073817U (en) | 2014-09-10 | 2014-09-10 | Emission-control equipment in PAFC production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518675.0U CN204073817U (en) | 2014-09-10 | 2014-09-10 | Emission-control equipment in PAFC production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204073817U true CN204073817U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420518675.0U Expired - Lifetime CN204073817U (en) | 2014-09-10 | 2014-09-10 | Emission-control equipment in PAFC production |
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| Country | Link |
|---|---|
| CN (1) | CN204073817U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226087A (en) * | 2014-09-10 | 2014-12-24 | 常熟市承禹环境科技有限公司 | Waste gas treatment device in production of polyaluminum ferric chloride |
| CN105381687A (en) * | 2015-11-24 | 2016-03-09 | 嘉善绿野环保材料厂(普通合伙) | Absorption tower for producing polyaluminium chloride |
-
2014
- 2014-09-10 CN CN201420518675.0U patent/CN204073817U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226087A (en) * | 2014-09-10 | 2014-12-24 | 常熟市承禹环境科技有限公司 | Waste gas treatment device in production of polyaluminum ferric chloride |
| CN105381687A (en) * | 2015-11-24 | 2016-03-09 | 嘉善绿野环保材料厂(普通合伙) | Absorption tower for producing polyaluminium chloride |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20150107 |