CN109749789A - A kind of ammonia process coal gas desulfurization system and its ammonia process gas desulfurization method - Google Patents
A kind of ammonia process coal gas desulfurization system and its ammonia process gas desulfurization method Download PDFInfo
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- CN109749789A CN109749789A CN201910196444.XA CN201910196444A CN109749789A CN 109749789 A CN109749789 A CN 109749789A CN 201910196444 A CN201910196444 A CN 201910196444A CN 109749789 A CN109749789 A CN 109749789A
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Abstract
The present invention provides a kind of ammonia process coal gas desulfurization system and its ammonia process gas desulfurization methods, belong to technical field of waste gas treatment, which includes desulfurization mechanism, recovering mechanism and production mechanism；Desulfurization mechanism includes the first desulfurizing tower and the second desulfurizing tower, and the first desulfurizing tower connects the second desulfurizing tower by the first connecting tube, and the second desulfurizing tower is connected with chimney by escape pipe；Recovering mechanism includes the first reaction chamber, and the outside of the first reaction chamber is from top to bottom successively arranged batch charger, the first oxygen compressor and the first collecting box；Producing mechanism includes the second reaction chamber, de-burring machine, drying machine and the second collecting box, and ammonium hydroxide is to the SO in coal gas2Carry out the reactive absorption, (NH of generation4)2SO4It is processed and the ammonia generated can continue on for reacting.Inventive desulfurization effect is good, and resource recoverable reduces cost.
Description
Technical field
The invention belongs to technical field of waste gas treatment, and in particular to a kind of ammonia process coal gas desulfurization system and its ammonia process coal gas are de-
Sulphur method.
Background technique
For the non-renewable energy in China based on coal, Coal-fired Thermal Power, coal-burning boiler have discharged a large amount of SO2 into atmosphere, other
Industry such as chemical industry, steel, nonferrous metallurgy, building materials industry have also discharged more SO2 into atmosphere, cause atmosphere sulphur pollution tight
Weight.Current flue gas desulfurization is de- to mostly use Gypsum Wet technology, and although which realizes enlargement, but have
Fouling blockage, by-product gypsum are difficult to handle, discharge the problems such as CO2, and China is natural gypsum big producer, and stacking takes off
Sulphur gypsum causes secondary pollution, and existing ammonia process gas desulfurization method is usually difficult to purify thoroughly in carrying out sweetening process, and
The unrecovered utilization of product is generated, cost is increased.
Therefore it is good to be badly in need of a kind of desulfurization effect in the prior art, resource recoverable, the ammonia process coal gas for reducing cost takes off
Sulphur system and its ammonia process gas desulfurization method.
Summary of the invention
Based on above-mentioned deficiency of the prior art and defect, the present invention provides a kind of ammonia process coal gas desulfurization system and
Its ammonia process gas desulfurization method.
The specific technical solution of the present invention is as follows:
A kind of ammonia process coal gas desulfurization system, including desulfurization mechanism, recovering mechanism and production mechanism；
The desulfurization mechanism includes the first desulfurizing tower and the second desulfurizing tower, first desulfurizing tower and second desulfurizing tower
Internal structure it is identical, the top of the side lateral wall of first desulfurizing tower is equipped with the first air inlet pipe, first desulfurizing tower
Opposite side lateral wall bottom connected by the first connecting tube second desulfurizing tower side lateral wall top, described second
The bottom of the opposite side lateral wall of desulfurizing tower is connected with the air inlet of chimney by escape pipe；
The recovering mechanism includes the first reaction chamber, and the outside of first reaction chamber, which is from top to bottom successively arranged, to feed intake
Machine, the first oxygen compressor and the first collecting box, the batch charger connect the lateral wall of first reaction chamber by commissioning pipe,
First oxygen compressor connects the lateral wall of first reaction chamber by the second air inlet pipe, and first collecting box passes through
Drain pipe connects the bottom sidewall of first reaction chamber, and the bottom of first desulfurizing tower and second desulfurizing tower is set respectively
There are the first branched pipe and second branched pipe, first branched pipe passes through the second connecting tube with the second branched pipe and connects suction
The input end of liquid pump, the outlet end of the suction pumps are connected with third connecting tube, and the third connecting tube passes through third branched pipe
The bottom of first reaction chamber is connected, the top of first reaction chamber connects the import of asepwirator pump by the first muffler
The outlet end at end, the asepwirator pump connects second desulfurizing tower by the second muffler；
The production mechanism includes the second reaction chamber, de-burring machine, drying machine and the second collecting box, and the third connecting tube is logical
Cross the top that the 4th branched pipe connects second reaction chamber, the bottom of second reaction chamber passes through third air inlet pipe connection the
The side wall of two oxygen compressors, second reaction chamber connects the input end of the de-burring machine by the 4th connecting tube, described to remove
The outlet end of miscellaneous machine connects the input end of the drying machine by the 5th connecting tube, and the outlet end of the drying machine passes through discharge nozzle
Connect second collecting box.
Preferably, the inside of first desulfurizing tower is equipped with liquid storage mechanism, is marked with ammonium hydroxide inside the liquid storage mechanism, described
Liquid storage mechanism is equipped with several through-holes in the vertical direction, and the upper surface of the liquid storage mechanism is equipped with several jet heads, the liquid storage
The lower surface of mechanism is equipped with several minim pipettes.
Preferably, the quantity of the minim pipette is identical as the quantity of the through-hole, and the minim pipette is set to the through-hole
Bottom.
Preferably, second muffler runs through the side wall of the liquid storage mechanism set on second desulfurizing tower.
Preferably, communicating pipe is equipped between first desulfurizing tower and second desulfurizing tower.
Preferably, first air inlet pipe is equipped with blower, the blower, the liquid storage mechanism, suction pumps and described
Asepwirator pump is all connected with control cabinet.
A kind of sulfur method using ammonia process coal gas desulfurization system described in claim 1, includes the following steps:
S1. coal gas enters in the first desulfurizing tower under the action of blower, the ammonium hydroxide and coal of liquid storage mechanism in the first desulfurizing tower
Gas reacts, the preliminary SO removed in coal gas2And generate (NH4)2SO3, gas after reaction enters in the first connecting tube, instead
(the NH that should be generated afterwards4)2SO3Into in the first branched pipe；
S2. enter in the second desulfurizing tower through step S1 treated gas, the ammonium hydroxide of the liquid storage mechanism in the second desulfurizing tower
It reacts again with gas, sufficiently removes the SO in gas2, gas after reaction is discharged by chimney, generated after reaction
(NH4)2SO3Into in second branched pipe；
S3. (the NH in the first branched pipe and second branched pipe4)2SO3Pass through third respectively under the action of the first suction pumps
Branched pipe enters the first reaction chamber, enters the second reaction chamber by second branched pipe；
S4. enter the (NH of the first reaction chamber in step S34)2SO3KOH is added after carrying out oxidation reaction with the oxygen being passed through,
The ammonia of generation under the action of asepwirator pump into the second desulfurizing tower liquid storage mechanism in recycled, (the NH of generation4)CO3With
K2SO4It flows into the first collecting box and is recycled；
S5. enter the (NH of the second reaction chamber in step S34)2SO3It is passed through oxygen and carries out sufficient oxidation reaction generation
(NH4)2SO4, (NH4)2SO4Into removing solid impurity in de-burring machine, (the NH after removing impurity4)2SO4Into in drying machine into
Row dries and concentrates crystallization；
S6. through step S5 treated solid (NH4)2SO4It is discharged into the second collecting box, carries out subsequent processing.
Preferably, the concentration of the ammonium hydroxide in step S1 and S2 is 15-25mol/L.
Preferably, the volume ratio that the first reaction chamber and the solution entered in the second reaction chamber are entered in step S3 is 1:2.
Preferably, oxygen is passed through the time as 10-15min in step S4, and oxygen is passed through the time as 20-30min in step S5.
Beneficial effects of the present invention: including the first desulfurizing tower and the second desulfurizing tower in desulfurization mechanism, by what is be mixed in coal gas
SO2Abundant reactive absorption, gas after treatment are discharged in atmosphere by chimney, reduce the pollution to environment；First desulfurization
Tower and the second desulfurizing tower are to carry out removing desulfurization operations, ammonium hydroxide and SO to gas using ammonium hydroxide2(the NH generated after reaction4)2SO3It is respectively enterd under the action of suction pumps in recovering mechanism and production mechanism, wherein recovering mechanism is will to react the portion generated
Divide (NH4)2SO3It is pumped into the first reaction chamber, first passes around the first oxygen compressor and carry out logical oxygen, thrown after sufficiently being reacted with oxygen
Material machine puts into KOH into the first reaction chamber by commissioning pipe, and the ammonia of generation enters the second desulfurizing tower under the action of asepwirator pump
Liquid storage mechanism in, carry out the recycling of ammonia, reduce industrial cost, react (the NH of generation4)CO3And K2SO4Flow into first
It is recycled in collecting box；Production mechanism is will to react the part (NH generated4)2SO3It is pumped into the second reaction chamber, the second oxygen
Compressor carries out logical oxygen, makes (NH4)SO3It is completely oxidized to (NH4)2SO4, (NH4)2SO4Into removing solid impurity in de-burring machine,
(NH after removing impurity4)2SO4Into being dried in drying machine and condensing crystallizing；By solid (NH4)2SO4It is discharged into the second collection
In case, subsequent processing is carried out, resources of production can be made full use of.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention.
Wherein in the figure, it is marked as the 1, first desulfurizing tower；2, the second desulfurizing tower；3, the first air inlet pipe；4, the first connecting tube；5,
Escape pipe；6, chimney；7, the first reaction chamber；8, batch charger；9, the first oxygen compressor；10, the first collecting box；11, commissioning pipe；
12, the second air inlet pipe；13, drain pipe；14, the first branched pipe；15, second branched pipe；16, the second connecting tube；17, suction pumps；
18, third connecting tube；19, third branched pipe；20, the first muffler；21, asepwirator pump；22, the second muffler；23, the second reaction
Case；24, de-burring machine；25, drying machine；26, the 4th branched pipe；27, the second oxygen compressor；28, the 4th connecting tube；29, the 5th
Connecting tube；30, discharge nozzle；31, liquid storage mechanism；32, jet head；33, minim pipette；34, communicating pipe；35, blower；36, it second receives
Header；37, third air inlet pipe.
Specific embodiment
A kind of ammonia process coal gas desulfurization system, including desulfurization mechanism, recovering mechanism and production mechanism；
Desulfurization mechanism includes the first desulfurizing tower 1 and the second desulfurizing tower 2, the internal junction of the first desulfurizing tower 1 and the second desulfurizing tower 2
Structure is identical, and the top of the side lateral wall of the first desulfurizing tower 1 is equipped with the first air inlet pipe 3, the opposite side lateral wall of the first desulfurizing tower 1
Bottom connects the top of the side lateral wall of the second desulfurizing tower 2, the opposite side lateral wall of the second desulfurizing tower 2 by the first connecting tube 4
Bottom the air inlet of chimney 6 is connected with by escape pipe 5；
Recovering mechanism includes the first reaction chamber 7, and the outside of the first reaction chamber 7 is from top to bottom successively arranged batch charger 8, first
Oxygen compressor 9 and the first collecting box 10, batch charger 8 connect the lateral wall of the first reaction chamber 7, the first oxygen by commissioning pipe 11
Compressor 9 connects the lateral wall of the first reaction chamber 7 by the second air inlet pipe 12, and the first collecting box 10 passes through the connection of drain pipe 13 the
The bottom of the bottom sidewall of one reaction chamber 7, the first desulfurizing tower 1 and the second desulfurizing tower 2 is respectively equipped with the first branched pipe 14 and second
Branched pipe 15, the first branched pipe 14 and second branched pipe 15 connect the input end of suction pumps 17 by the second connecting tube 16, inhale
The outlet end of liquid pump 17 is connected with third connecting tube 18, and third connecting tube 18 connects the first reaction chamber 7 by third branched pipe 19
Bottom, the top of the first reaction chamber 7 connects the input end of asepwirator pump 21, the outlet end of asepwirator pump 21 by the first muffler 20
The second desulfurizing tower 2 is connected by the second muffler 22；
Producing mechanism includes the second reaction chamber 23, de-burring machine 24, drying machine 25 and the second collecting box 36, third connecting tube 18
The top of the second reaction chamber 23 is connected by the 4th branched pipe 26, the bottom of the second reaction chamber 23 is connected by third air inlet pipe 37
Second oxygen compressor 27, the side wall of the second reaction chamber 23 connect the input end of de-burring machine 24 by the 4th connecting tube 28, removal of impurities
The outlet end of machine 24 connects the input end of drying machine 25 by the 5th connecting tube 29, and the outlet end of drying machine 25 passes through discharge nozzle 30
Connect the second collecting box 36.
The inside of first desulfurizing tower 1 is equipped with liquid storage mechanism 31, ammonium hydroxide is marked with inside liquid storage mechanism 31, liquid storage mechanism 31 is perpendicular
Histogram is equipped with several through-holes upwards, and the upper surface of liquid storage mechanism 31 is equipped with several jet heads 32, and the lower surface of liquid storage mechanism 31 is set
There are several minim pipettes 33, start the jet head 32 of liquid storage mechanism 31 by control cabinet, ammonium hydroxide passes through vertical in the hole of jet head 32
It sprays upwards, the coal gas being passed through with the first air inlet pipe 3 comes into full contact with, and the liquid after being mixed with the reaction of ammonium hydroxide is under gravity
The upper surface for falling back to liquid storage mechanism 31 drips to the bottom of the first desulfurizing tower 1 by through-hole and minim pipette 33.The number of minim pipette 33
Amount is identical as the quantity of through-hole, and minim pipette 33 is set to the bottom of through-hole, and dropper quickly drips to the first desulfurization convenient for liquid after reaction
The bottom of tower 1 and the second desulfurizing tower 2.Second muffler 22 runs through the side wall of the liquid storage mechanism 31 set on the second desulfurizing tower 2.First
Communicating pipe 34, effect of the ammonia generated in the first reaction chamber 7 in asepwirator pump 21 are equipped between desulfurizing tower 1 and the second desulfurizing tower 2
It can enter in the liquid storage mechanism 31 of the second desulfurizing tower 2 down, due to the liquid storage mechanism inside the first desulfurizing tower 1 and the second desulfurizing tower 2
31 by being connected to communicating pipe 34, so that the ammonia of recycling can also enter the liquid storage mechanism of the first desulfurizing tower 1 by communicating pipe 34
In 31.First air inlet pipe 3 is equipped with blower 35, and blower 35, liquid storage mechanism 31, suction pumps 17 and asepwirator pump 21 are all connected with control cabinet,
Convenient section in different times opens different equipment, reasonably carries out desulfurization, recycling and production.
A kind of sulfur method using ammonia process coal gas desulfurization system described in claim 1, includes the following steps:
S1. coal gas enters in the first desulfurizing tower 1 under the action of blower 35, the ammonia of liquid storage mechanism 31 in the first desulfurizing tower 1
Water reacts with coal gas, the preliminary SO removed in coal gas2And generate (NH4)2SO3, gas after reaction enters the first connecting tube
In 4, (the NH that is generated after reaction4)2SO3Into in the first branched pipe 14；
S2. enter in the second desulfurizing tower 2 through step S1 treated gas, the liquid storage mechanism 31 in the second desulfurizing tower 2
Ammonium hydroxide reacts again with gas, sufficiently removes the SO in gas2, the gas after reaction is discharged by chimney 6, raw after reaction
At (NH4)2SO3Into in second branched pipe 15；
S3. (the NH in the first branched pipe 14 and second branched pipe 154)2SO3Lead to respectively under the action of the first suction pumps 17
Third branched pipe 19 is crossed to enter the first reaction chamber 7, enter the second reaction chamber 23 by second branched pipe 15；
S4. enter the (NH of the first reaction chamber 7 in step S34)2SO3It is added after carrying out oxidation reaction with the oxygen being passed through
KOH, the ammonia of generation under the action of asepwirator pump 21 into the second desulfurizing tower 2 liquid storage mechanism 31 in recycled, generation
(NH4)CO3And K2SO4It flows into the first collecting box 10 and is recycled；
S5. enter the (NH of the second reaction chamber 23 in step S34)2SO3It is passed through oxygen and carries out sufficient oxidation reaction generation
(NH4)2SO4, (NH4)2SO4Into removing solid impurity in de-burring machine 24, (the NH after removing impurity4)2SO4Into drying machine 25
In be dried and condensing crystallizing；
S6. through step S5 treated solid (NH4)2SO4It is discharged into the second collecting box 36, carries out subsequent processing.
The concentration of ammonium hydroxide in step S1 and S2 is 20mol/L.Enter the first reaction chamber 7 in step S3 and enters second instead
The volume ratio for answering the solution in case 23 is 1:2.Oxygen is passed through the time as 12min in step S4, and oxygen is passed through the time in step S5
For 25min, the progress for the velocity adaptive desulphurization reaction that ammonia generates in the first reaction chamber 7, and the amount for generating ammonia can maintain ammonia
The normal concentration of water；It is relatively long that oxygen in second reaction chamber 23 is passed through the time, so that (NH4)2SO3Reaction generates completely
(NH4)2SO4, it is convenient for subsequent processing.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments
Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute
The technical solution of record is modified or equivalent replacement of some of the technical features.It is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of ammonia process coal gas desulfurization system, which is characterized in that including desulfurization mechanism, recovering mechanism and production mechanism；
The desulfurization mechanism includes the first desulfurizing tower and the second desulfurizing tower, and first desulfurizing tower is interior with second desulfurizing tower
Portion's structure is identical, and the top of the side lateral wall of first desulfurizing tower is equipped with the first air inlet pipe, pair of first desulfurizing tower
The bottom of side lateral wall connects the top of the side lateral wall of second desulfurizing tower, second desulfurization by the first connecting tube
The bottom of the opposite side lateral wall of tower is connected with the air inlet of chimney by escape pipe；
The recovering mechanism includes the first reaction chamber, and the outside of first reaction chamber is from top to bottom successively arranged batch charger, the
One oxygen compressor and the first collecting box, the batch charger connects the lateral wall of first reaction chamber by commissioning pipe, described
First oxygen compressor connects the lateral wall of first reaction chamber by the second air inlet pipe, and first collecting box passes through drain
Pipe connects the bottom sidewall of first reaction chamber, and the bottom of first desulfurizing tower and second desulfurizing tower is respectively equipped with
One branched pipe and second branched pipe, first branched pipe pass through the second connecting tube with the second branched pipe and connect suction pumps
Input end, the outlet end of the suction pumps is connected with third connecting tube, and the third connecting tube is connected by third branched pipe
The bottom of first reaction chamber, the top of first reaction chamber connect the input end of asepwirator pump, institute by the first muffler
The outlet end for stating asepwirator pump connects second desulfurizing tower by the second muffler；
The production mechanism includes the second reaction chamber, de-burring machine, drying machine and the second collecting box, and the third connecting tube passes through the
Four branched pipes connect the top of second reaction chamber, and the bottom of second reaction chamber connects the second oxygen by third air inlet pipe
The side wall of air compressor, second reaction chamber connects the input end of the de-burring machine, the de-burring machine by the 4th connecting tube
Outlet end the input end of the drying machine is connected by the 5th connecting tube, the outlet end of the drying machine passes through discharge nozzle and connects
Second collecting box.
2. a kind of ammonia process coal gas desulfurization system according to claim 1, which is characterized in that the inside of first desulfurizing tower
Equipped with liquid storage mechanism, ammonium hydroxide is marked with inside the liquid storage mechanism, the liquid storage mechanism is equipped with several through-holes, institute in the vertical direction
The upper surface for stating liquid storage mechanism is equipped with several jet heads, and the lower surface of the liquid storage mechanism is equipped with several minim pipettes.
3. a kind of ammonia process coal gas desulfurization system according to claim 2, which is characterized in that the quantity of the minim pipette and institute
The quantity for stating through-hole is identical, and the minim pipette is set to the bottom of the through-hole.
4. a kind of ammonia process coal gas desulfurization system according to claim 2, which is characterized in that second muffler, which runs through, to be set
In the side wall of the liquid storage mechanism of second desulfurizing tower.
5. a kind of ammonia process coal gas desulfurization system according to claim 1, which is characterized in that first desulfurizing tower and described
Communicating pipe is equipped between second desulfurizing tower.
6. a kind of ammonia process coal gas desulfurization system according to claim 2, which is characterized in that first air inlet pipe is equipped with wind
Machine, the blower, the liquid storage mechanism, the suction pumps and the asepwirator pump are all connected with control cabinet.
7. a kind of using a kind of sulfur method of ammonia process coal gas desulfurization system described in claim 1, which is characterized in that including such as
Lower step:
S1. coal gas enters in the first desulfurizing tower under the action of blower, and the ammonium hydroxide of liquid storage mechanism and coal gas are sent out in the first desulfurizing tower
Raw reaction, the preliminary SO removed in coal gas2And generate (NH4)2SO3, the gas after reaction enters in the first connecting tube, after reaction
(the NH generated4)2SO3Into in the first branched pipe；
S2. enter in the second desulfurizing tower through step S1 treated gas, the ammonium hydroxide and gas of the liquid storage mechanism in the second desulfurizing tower
Body reacts again, sufficiently removes the SO in gas2, the gas after reaction is by chimney discharge, (the NH generated after reaction4)2SO3Into in second branched pipe；
S3. (the NH in the first branched pipe and second branched pipe4)2SO3Pass through third branch respectively under the action of the first suction pumps
Pipe enters the first reaction chamber, enters the second reaction chamber by second branched pipe；
S4. enter the (NH of the first reaction chamber in step S34)2SO3KOH is added after carrying out oxidation reaction with the oxygen being passed through, generates
Ammonia under the action of asepwirator pump into the second desulfurizing tower liquid storage mechanism in recycled, (the NH of generation4)CO3And K2SO4
It flows into the first collecting box and is recycled；
S5. enter the (NH of the second reaction chamber in step S34)2SO3It is passed through oxygen and carries out sufficient oxidation reaction generation (NH4)2SO4, (NH4)2SO4Into removing solid impurity in de-burring machine, (the NH after removing impurity4)2SO4Into being dried in drying machine
And condensing crystallizing；
S6. through step S5 treated solid (NH4)2SO4Into in the second collecting box, subsequent processing is carried out.
8. a kind of sulfur method of ammonia process coal gas desulfurization system according to claim 7, which is characterized in that step S1 and S2
In ammonium hydroxide concentration be 15-25mol/L.
9. a kind of sulfur method of ammonia process coal gas desulfurization system according to claim 7, which is characterized in that in step S3 into
The volume ratio for the solution for entering the first reaction chamber and entering in the second reaction chamber is 1:2.
10. a kind of sulfur method of ammonia process coal gas desulfurization system according to claim 7, which is characterized in that in step S4
Oxygen is passed through the time as 10-15min, and oxygen is passed through the time as 20-30min in step S5.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306317A (en) * | 2008-02-14 | 2008-11-19 | 娄爱娟 | Tower top discharge type flue gas desulfurization method |
| CN201609633U (en) * | 2010-01-12 | 2010-10-20 | 上海洁美环保科技有限公司 | Ammonia flue gas desulfurization device of byproducts of ammonium hydrogen sulfite and ammonium sulfite |
| JP2013049756A (en) * | 2011-08-30 | 2013-03-14 | Kagoshima Univ | Method of desulfurizing coke oven gas |
| CN105597534A (en) * | 2016-03-17 | 2016-05-25 | 盐城东博环保科技有限公司 | Device and method for ammonia process-outer-tower oxidation desulfurization and denitrification |
| CN105879633A (en) * | 2014-12-14 | 2016-08-24 | 无锡市华星电力环保修造有限公司 | Smoke desulfurization and denitrification device of coal-fired boiler |
| CN106178896A (en) * | 2016-08-26 | 2016-12-07 | 江苏中圣高科技产业有限公司 | The desulfurizer of a kind of ammonia circulation utilization and method |
| CN207581563U (en) * | 2017-11-10 | 2018-07-06 | 中国天辰工程有限公司 | A kind of novel ammonia water circulation desulfurization system |
| CN209923272U (en) * | 2019-03-15 | 2020-01-10 | 镇江东亚碳素焦化有限公司 | Ammonia process gas desulfurization system |
-
2019
- 2019-03-15 CN CN201910196444.XA patent/CN109749789A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306317A (en) * | 2008-02-14 | 2008-11-19 | 娄爱娟 | Tower top discharge type flue gas desulfurization method |
| CN201609633U (en) * | 2010-01-12 | 2010-10-20 | 上海洁美环保科技有限公司 | Ammonia flue gas desulfurization device of byproducts of ammonium hydrogen sulfite and ammonium sulfite |
| JP2013049756A (en) * | 2011-08-30 | 2013-03-14 | Kagoshima Univ | Method of desulfurizing coke oven gas |
| CN105879633A (en) * | 2014-12-14 | 2016-08-24 | 无锡市华星电力环保修造有限公司 | Smoke desulfurization and denitrification device of coal-fired boiler |
| CN105597534A (en) * | 2016-03-17 | 2016-05-25 | 盐城东博环保科技有限公司 | Device and method for ammonia process-outer-tower oxidation desulfurization and denitrification |
| CN106178896A (en) * | 2016-08-26 | 2016-12-07 | 江苏中圣高科技产业有限公司 | The desulfurizer of a kind of ammonia circulation utilization and method |
| CN207581563U (en) * | 2017-11-10 | 2018-07-06 | 中国天辰工程有限公司 | A kind of novel ammonia water circulation desulfurization system |
| CN209923272U (en) * | 2019-03-15 | 2020-01-10 | 镇江东亚碳素焦化有限公司 | Ammonia process gas desulfurization system |
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