CN109092036A - A kind of low temperature dust-removal and desulfurizing denitrating system - Google Patents
A kind of low temperature dust-removal and desulfurizing denitrating system Download PDFInfo
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- CN109092036A CN109092036A CN201811034879.6A CN201811034879A CN109092036A CN 109092036 A CN109092036 A CN 109092036A CN 201811034879 A CN201811034879 A CN 201811034879A CN 109092036 A CN109092036 A CN 109092036A
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- Prior art keywords
- chamber
- pipe
- ammonium hydroxide
- bull stick
- nitre
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/22—Sulfites of ammonium
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- 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
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a kind of low temperature dust-removal and desulfurizing denitrating systems, including sulphur removal chamber and remove nitre chamber, the nitre chamber that removes is set to sulphur removal chamber side, the sulphur removal chamber and except being equipped with the first connecting tube between nitre chamber, first connecting tube is equipped with sulphur removal charging valve and removes nitre charging valve, the nitre charging valve that removes is set to sulphur removal charging valve side, the intracavitary portion of sulphur removal is equipped with the first bull stick, first bull stick two sides are equipped with the first water-bath pipe, the first water-bath pipe is equipped with the first water-bath hole, first gear ring is equipped on the outside of first bull stick end, the sulphur removal top of chamber is equipped with first motor, by the present invention in that using ammonium hydroxide as reactant, in order to react ammonium hydroxide with NOx with the SO2 in mixed gas, have the function that purification, it does not need to carry out sewage treatment after purification, manpower and money are saved, can also obtain can be with As (NH4) 2SO3 of Fertilizer application, avoided pollution to reach, the effect of waste utilization.
Description
Technical field
The present invention relates to flue gas emission technical field, in particular to a kind of low temperature dust-removal and desulfurizing denitrating system.
Background technique
Energy and environment involve people live and although living environment, China are economic giants, but in energy
Still more fall behind in terms of source, steel, kerosene and power industry are still using coal as primary energy, and after coal burning
Tail gas will lead to air pollution again, wherein SO2 in tail gas and NOx is the main reason for causing acid rain problem, and SO2 with
NOx will lead to the probability increase that human body suffers from cancer after being absorbed by the body.
Therefore, it is necessary to solve the above problems to invent a kind of low temperature dust-removal and desulfurizing denitrating system.
Summary of the invention
The purpose of the present invention is to provide a kind of low temperature dust-removal and desulfurizing denitrating systems, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, it the invention provides the following technical scheme: a kind of low temperature dust-removal and desulfurizing denitrating system, including removes
Sulphur chamber and nitre chamber is removed, described except nitre chamber is set to sulphur removal chamber side, the sulphur removal chamber and except being equipped with the first connecting tube, institute between nitre chamber
The first connecting tube is stated equipped with sulphur removal charging valve with except nitre charging valve, the nitre charging valve that removes is set to sulphur removal charging valve side, institute
The intracavitary portion of sulphur removal is stated equipped with the first bull stick, first bull stick two sides are equipped with the first water-bath pipe, the first water-bath Guan Shangshe
There is the first water-bath hole, first gear ring is equipped on the outside of first bull stick end, the sulphur removal top of chamber is equipped with first motor, institute
First motor end is stated equipped with first gear, first bull stick end is equipped with the second connecting tube, the second connection tube end
Equipped with electric precipitator, the electric precipitator side is equipped with air inlet pipe, and the air inlet pipe is equipped with intake valve, sulphur removal bottom of chamber portion
Equipped with chemical fertilizer pipe, the chemical fertilizer pipe is equipped with chemical fertilizer valve, and the chemical fertilizer tube end is equipped with chemical fertilizer chamber, and the intracavitary portion of chemical fertilizer is equipped with
First anticorrosion liquidometer, the chemical fertilizer top of chamber is equipped with the first alarm, described except the intracavitary portion of nitre is equipped with the second bull stick, described
Second bull stick bottom is equipped with catalysis box, and second bull stick two sides are equipped with the second water-bath pipe, and the second water-bath pipe is equipped with
Second water-bath hole, second bull stick end outside are equipped with second gear ring, and the sulphur removal top of chamber is equipped with the second motor, described
Second motor end is equipped with second gear, and second bull stick end is equipped with third connecting tube, and second motor side is equipped with
4th connecting tube, the 4th connection tube end are equipped with adsorbent chamber, and the adsorbent chamber side is equipped with exhaust pipe, on the exhaust pipe
It is described to change liquid stream except nitre chamber side is equipped with and enter pipe equipped with exhaust valve, it is described to change liquid stream and enter pipe and be equipped with to change liquid stream and enter valve, it is described to change
Liquid stream enters tube end equipped with inverting chamber, and the inverting chamber inside is equipped with the second anticorrosion liquidometer, and the inverting chamber side is equipped with
Gas flows into pipe and the other side is equipped with and changes liquid stream outlet pipe, and the gas flows into pipe and flows into valve, the gas stream equipped with gas
Enter tube end equipped with ammonia chamber, it is described change liquid stream outlet pipe and be equipped with change liquid stream and go out valve, the liquid stream of changing goes out tube end equipped with ammonium hydroxide
Chamber, the intracavitary portion of ammonium hydroxide are equipped with third anticorrosion liquidometer, and ammonium hydroxide chamber side is equipped with the 5th connecting tube and the other side
Equipped with the second alarm, the 5th connecting tube is equipped with pressure pump, and second alarm bottom is equipped with controller；
Sulphur removal chamber is used to remove the SO2 in mixed gas, and reaction equation is SO2+2NH3H2O=(NH4) 2SO3+
H2O；
Except nitre chamber is used to remove the NOx in mixed gas, reaction equation is 2xNH3+3NOx=(x+3/2) N2+
3xH20；
First connecting tube for cooperate the 5th connecting tube from ammonium hydroxide chamber to sulphur removal chamber or except adding ammonium hydroxide in nitre chamber；
Electric precipitator is used to remove the dust and little particle in mixed gas；
Chemical fertilizer chamber is used to store SO2 in the hydrogen sulfate ammonia for reacting generation with NH3H2O；
First anticorrosion liquidometer cooperates the first alarm for reminding the hydrogen sulfate ammoniacal liquor in the intracavitary portion of staff's chemical fertilizer
Face height has reached setting height；
Adsorbent chamber is purified by active carbon to sulphur removal and except the mixed gas after nitre again；
Inverting chamber is used for will be except the concentration for the ammonium hydroxide being diluted in nitre chamber improves again；
Second anticorrosion liquidometer cooperation gas flows into valve and is used to reach when the ammonium hydroxide liquid level that is diluted in inverting chamber
When setting value, gas flows into valve and opens, and enters the ammonia in ammonia chamber in inverting chamber；
Ammonium hydroxide chamber is for storing ammonium hydroxide；
Third anticorrosion liquidometer cooperates the second alarm for reminding the intracavitary portion's liquid level of staff's ammonium hydroxide to reach
Setting value.
Preferably, chemical fertilizer chamber side is equipped with chemical fertilizer effuser, and the chemical fertilizer effuser is equipped with chemical fertilizer and flows out valve, institute
Ammonia chamber side is stated equipped with ammonia input pipe, the ammonia input pipe is equipped with ammonia transfer valve, and ammonium hydroxide chamber side is equipped with
Ammonium hydroxide input pipe, the ammonium hydroxide input pipe are equipped with ammonium hydroxide transfer valve.
Preferably, first bull stick and the second bull stick are disposed as hollow bull stick.
Preferably, first bull stick through sulphur removal top of chamber and extends to outside sulphur removal chamber, and second bull stick runs through
Except nitre top of chamber and extend to except outside nitre chamber.
Preferably, first bull stick connect by shaft with the second connecting tube, and second bull stick passes through shaft and the
The connection of three connecting tubes, second bull stick are connect by third connecting tube with sulphur removal chamber, and first connecting tube connects by the 5th
Adapter tube is connect with ammonium hydroxide chamber.
Preferably, the first gear is engaged with first gear ring, and the second gear is engaged with second gear ring.
Preferably, the first anticorrosion liquidometer, the second anticorrosion liquidometer and third anticorrosion liquidometer model are equal
It is set as commercially available BST6600-YB/FB type anticorrosion liquidometer.
Preferably, the intracavitary portion of the ammonium hydroxide is filled with ammonium hydroxide, and the ammonia concn is 25%~28%.
Preferably, it is filled with platinum-rhodium alloy inside the catalysis box, is filled with active carbon inside the adsorbent chamber.
Preferably, the first anticorrosion liquidometer and the first alarm are electrically connected with controller, and described second is anti-
Corrode liquidometer and gas and flow into valve and be electrically connected with controller, the third anticorrosion liquidometer and the second alarm with
Controller is electrically connected.
Technical effect and advantage of the invention: by the present invention in that using ammonium hydroxide as reactant, in order to make ammonium hydroxide and mix
The SO2 closed in gas is reacted with NOx, has the function that purification, is not needed to carry out sewage treatment after purification, has been saved manpower
With money, (NH4) 2SO3 that can be used as Fertilizer application can also be obtained, is avoided pollution to reach, the effect of waste utilization
Fruit, by being equipped with inverting chamber and ammonia chamber, in order to process the ammonium hydroxide after dilution again, the ammonium hydroxide after making dilution reaches can
The standard utilized again avoids and directly discharges weak ammonia in the natural environment, to reach energy conservation and environmental protection, prevents dirt
The effect of dye, by being equipped with first motor and the second motor, in order to drive the first bull stick by first motor and the second motor
It is rotated with the second bull stick, improves the contact area of ammonium hydroxide and mixed gas, accelerate SO2 and NOx and NH3H2O in mixed gas
Reaction rate, thus arrived accelerate treatment effeciency effect.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is sulphur removal chamber of the invention and removes nitre cavity configuration schematic diagram.
Fig. 3 is inverting chamber and ammonia cavity configuration schematic diagram of the invention.
Fig. 4 is ammonium hydroxide cavity configuration schematic diagram of the invention.
Fig. 5 is chemical fertilizer cavity configuration schematic diagram of the invention.
Fig. 6 is system structure diagram of the invention.
In figure: 1 sulphur removal chamber, 2 are except nitre chamber, 3 first connecting tubes, 4 sulphur removal charging valves, 5 are except nitre charging valve, 6 first bull sticks, 7
First water-bath pipe, 8 first water-bath holes, 9 first gear rings, 10 first motors, 11 first gears, 12 second connecting tubes, 13 electricity remove
Dirt device, 14 air inlet pipe, 15 intake valves, 16 chemical fertilizer pipes, 17 chemical fertilizer valves, 18 chemical fertilizer chambers, 19 first anticorrosion liquidometers, 20 first
Alarm, 21 second bull sticks, 22 catalysis boxes, 23 second water-bath pipes, 24 second water-bath holes, 25 second gear rings, 26 second electricity
Liquid stream is changed in machine, 27 second gears, 28 third connecting tubes, 29 the 4th connecting tubes, 30 adsorbent chambers, 31 exhaust pipes, 32 exhaust valves, 33
Enter pipe, 34 change liquid stream and enter valve, 35 inverting chambers, 36 second anticorrosion liquidometers, 37 gases and flow into pipe, 38 change liquid stream outlet pipe, 39 gas
Body flows into valve, 40 ammonia chambers, 41 changes liquid stream and go out valve, 42 ammonium hydroxide chambers, 43 third anticorrosion liquidometers, 44 the 5th connecting tubes, 45 the
Two alarms, 46 pressure pumps, 47 controllers, 48 chemical fertilizer effusers, 49 chemical fertilizer outflow valve, 50 ammonia input pipes, the input of 51 ammonias
Valve, 52 ammonium hydroxide input pipes, 53 ammonium hydroxide transfer valves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of low temperature dust-removal and desulfurizing denitrating system as shown in figures 1 to 6, including sulphur removal chamber 1 and remove nitre
Chamber 2, described except nitre chamber 2 is set to 1 side of sulphur removal chamber, the sulphur removal chamber 1 and except being equipped with the first connecting tube 3 between nitre chamber 2, described the
One connecting tube 3 is equipped with sulphur removal charging valve 4 and removes nitre charging valve 5, described except nitre charging valve 5 is set to 4 side of sulphur removal charging valve, institute
It states and is equipped with the first bull stick 6 inside sulphur removal chamber 1,6 two sides of the first bull stick are equipped with the first water-bath pipe 7, the first water-bath pipe 7
It is equipped with the first water-bath hole 8, first gear ring 9 is equipped on the outside of 6 end of the first bull stick, the is equipped at the top of the sulphur removal chamber 1
One motor 10,10 end of first motor are equipped with first gear 11, and 6 end of the first bull stick is equipped with the second connecting tube 12,
Second connecting tube, 12 end is equipped with electric precipitator 13, and 13 side of electric precipitator is equipped with air inlet pipe 14, the air inlet pipe
14 are equipped with intake valve 15, and 1 bottom of sulphur removal chamber is equipped with chemical fertilizer pipe 16, and the chemical fertilizer pipe 16 is equipped with chemical fertilizer valve 17, described
16 end of chemical fertilizer pipe is equipped with chemical fertilizer chamber 18, is equipped with the first anticorrosion liquidometer 19, the chemical fertilizer chamber 18 inside the chemical fertilizer chamber 18
Top is equipped with the first alarm 20, and described except the second bull stick 21 is equipped with inside nitre chamber 2,21 bottom of the second bull stick is equipped with and urges
Change box 22,21 two sides of the second bull stick are equipped with the second water-bath pipe 23, and the second water-bath pipe 23 is equipped with the second water-bath hole
24,21 end of the second bull stick outside is equipped with second gear ring 25, and the second motor 26 is equipped at the top of the sulphur removal chamber 1, described
Second motor, 26 end is equipped with second gear 27, and 21 end of the second bull stick is equipped with third connecting tube 28, second motor
26 sides are equipped with the 4th connecting tube 29, and 29 end of the 4th connecting tube is equipped with adsorbent chamber 30, and 30 side of adsorbent chamber is equipped with
Exhaust pipe 31, the exhaust pipe 31 is equipped with exhaust valve 32, described to change liquid stream except 2 side of nitre chamber is equipped with and enter pipe 33, described to change liquid
It flows into pipe 33 and is equipped with and change liquid stream and enter valve 34, the liquid stream of changing enters 33 end of pipe equipped with inverting chamber 35, inside the inverting chamber 35
Equipped with the second anticorrosion liquidometer 36,35 side of inverting chamber, which is equipped with gas and flows into pipe 37 and the other side and be equipped with, to be changed liquid stream and goes out
Pipe 38, the gas flow into pipe 37 and are equipped with gas inflow valve 39, and the gas flows into 37 end of pipe and is equipped with ammonia chamber 40, described
It changes liquid stream outlet pipe 38 and goes out valve 41 equipped with liquid stream is changed, 38 end of liquid stream outlet pipe of changing is equipped with ammonium hydroxide chamber 42, the ammonium hydroxide chamber 42
Inside is equipped with third anticorrosion liquidometer 43, and 42 side of ammonium hydroxide chamber is equipped with the 5th connecting tube 44 and the other side is equipped with second
Alarm 45, the 5th connecting tube 44 are equipped with pressure pump 46, and 45 bottom of the second alarm is equipped with controller 47；
Sulphur removal chamber 1 is used to remove the SO2 in mixed gas, and reaction equation is SO2+2NH3H2O=(NH4) 2SO3+
H2O；
Except nitre chamber 2 is used to remove the NOx in mixed gas, reaction equation is 2xNH3+3NOx=(x+3/2) N2+
3xH20；
First connecting tube 3 for cooperate the 5th connecting tube 44 from ammonium hydroxide chamber 42 to sulphur removal chamber 1 or except adding ammonia in nitre chamber 2
Water；
Electric precipitator 13 is used to remove the dust and little particle in mixed gas；
Chemical fertilizer chamber 18 is used to store SO2 in the hydrogen sulfate ammonia for reacting generation with NH3H2O；
First anticorrosion liquidometer 19 cooperates the first alarm 20 to be used to remind the sulfuric acid inside staff's chemical fertilizer chamber 18
Hydrogen ammonia liquid level has reached setting height；
Adsorbent chamber 30 is purified by active carbon to sulphur removal and except the mixed gas after nitre again；
Inverting chamber 35 is used for will be except the concentration for the ammonium hydroxide being diluted in nitre chamber 2 improves again；
Second anticorrosion liquidometer 36 cooperation gas flows into valve 39 and is diluted ammonium hydroxide liquid level height for working as in inverting chamber 35
When degree reaches setting value, gas flows into valve 39 and opens, and enters the ammonia in ammonia chamber 40 in inverting chamber 35；
Ammonium hydroxide chamber 42 is for storing ammonium hydroxide；
Third anticorrosion liquidometer 43 cooperates the second alarm 45 for reminding 42 internal liquid level of staff's ammonium hydroxide chamber high
Degree reaches setting value.
18 side of chemical fertilizer chamber is equipped with chemical fertilizer effuser 48, and the chemical fertilizer effuser 48 is equipped with chemical fertilizer and flows out valve 49,
40 side of ammonia chamber is equipped with ammonia input pipe 50, and the ammonia input pipe 50 is equipped with ammonia transfer valve 51, the ammonium hydroxide
42 side of chamber is equipped with ammonium hydroxide input pipe 52, and the ammonium hydroxide input pipe 52 is equipped with ammonium hydroxide transfer valve 53.
First bull stick 6 and the second bull stick 21 are disposed as hollow bull stick, in order to which mixed gas can pass through first turn
Bar 6 and the second bull stick 21 enter in the first water-bath pipe 7 and the second water-bath pipe 23.
First bull stick 6 is through 1 top of sulphur removal chamber and extends to outside sulphur removal chamber 1, and second bull stick 21, which runs through, to be removed
2 top of nitre chamber is simultaneously extended to except outside nitre chamber 2.
First bull stick 6 is connect by shaft with the second connecting tube 12, and second bull stick 21 passes through shaft and third
Connecting tube 28 connects, and second bull stick 21 is connect by third connecting tube 28 with sulphur removal chamber 1, and first connecting tube 3 passes through
5th connecting tube 44 is connect with ammonium hydroxide chamber 42, in order to which pressure pump 46 passes through the first connecting tube 3 and the 5th connecting tube 44 for ammonium hydroxide
It is pumped to sulphur removal chamber 1 by ammonium hydroxide chamber 42 and is removed in nitre chamber 2.
The first gear 11 is engaged with first gear ring 9, in order to which first motor 10 passes through first gear 11 and first
Gear ring 9 drives the rotation of the first bull stick 6, to accelerate gas-liquid exchange rate, improves the contact area of ammonium hydroxide and mixed gas, adds
The reaction rate of SO2 and NH3H2O, the second gear 27 are engaged with second gear ring 25 in fast mixed gas, in order to the
Two motors 26 drive the rotation of the second bull stick 21 by second gear ring 25 and second gear 27, thus accelerate gas-liquid exchange rate,
The contact area of ammonium hydroxide and mixed gas is improved, the reaction rate of NOx and NH3H2O in mixed gas is accelerated.
The first anticorrosion liquidometer 19, the second anticorrosion liquidometer 36 and third anticorrosion 43 models of liquidometer are equal
It is set as commercially available BST6600-YB/FB type anticorrosion liquidometer.
Ammonium hydroxide is filled with inside the ammonium hydroxide chamber 42, the ammonia concn is 25%~28%, 25%~28% ammonium hydroxide
Concentration is higher, reacts with large volume of SO2 with NOx convenient for the ammonium hydroxide of less volume.
Platinum-rhodium alloy is filled with inside the catalysis box 22, platinum-rhodium alloy plays catalyst when ammonium hydroxide is reacted with NOx
Effect is filled with active carbon inside the adsorbent chamber 30, and active carbon has adsorption effect, can will be in purified mixed gas
Remaining gas or impurity absorption are fallen.
The first anticorrosion liquidometer 19 and the first alarm 20 are electrically connected with controller 47, in order to first anti-
Corrode the hydrogen sulfate ammonia liquid level inside 19 real-time detection chemical fertilizer chamber 18 of liquidometer and send signal to controller 47, works as liquid level
When height reaches setting value, controller 47 controls the alarm of the first alarm 20, so that it is high to remind staff to have reached setting
Degree, the second anticorrosion liquidometer 36 flows into valve 39 with gas and is electrically connected with controller 47, in order to the second anticorrosion
Being diluted ammonium hydroxide liquid level and sending signal to controller 47 in 36 real-time detection inverting chamber 35 of liquidometer, works as liquid level
When reaching setting value, controller 47 controls gas and flows into the opening of valve 39, so that the ammonia in ammonia chamber 40 be made to enter inverting chamber 35
In, the third anticorrosion liquidometer 43 and the second alarm 45 are electrically connected with controller 47, third anticorrosion liquidometer
43 real-time detection ammonium hydroxide chamber, 42 internal liquid level height, when liquid level reaches setting value, controller 47 controls the second alarm
45 alarms, so that 42 liquid level of staff's ammonium hydroxide chamber be reminded to reach setting value.
Working principle of the present invention: when work, mixed gas is entered in electric precipitator 13 by air inlet pipe 14, in mixed gas
Dust and little particle are removed by electric precipitator 13, and then mixed gas enters in the first bull stick 6 and by 6 two sides of the first bull stick
It is overflowed in the first water-bath hole 8 on first water-bath pipe 7, realizes gas-liquid exchange, react hence into ammonium hydroxide with ammonium hydroxide, the
One motor 10 drives the rotation of the first bull stick 6 by first gear 11 and first gear ring 9, to accelerate gas-liquid exchange rate, mentions
The contact area of high ammonium hydroxide and mixed gas accelerates the reaction rate of SO2 and NH3H2O in mixed gas, due to not being catalyzed
Agent, so the NOx in mixed gas will not react with NH3H2O, reacting (NH4) of generation, 2SO3 can be used as chemical fertilizer makes
With, to whole purification process after, chemical fertilizer valve 17 is controlled by controller 47 and is opened, (NH4) 2SO3 enters by chemical fertilizer pipe 16
In chemical fertilizer chamber 18, the mixed gas after purifying is entered by third connecting tube 28 in the second bull stick 21 and by the second bull stick 21
It is overflowed in the second water-bath hole 24 on second water-bath pipe 23 of two sides, realizes gas-liquid exchange, hence into ammonium hydroxide, be catalyzed box 22
In platinum-rhodium alloy as catalyst so that NOx and NH3H2O react and generate N2 and water, the second motor 26 passes through the
Two gear rings 25 drive the rotation of the second bull stick 21 with second gear 27, to accelerate gas-liquid exchange rate, improve ammonium hydroxide with mix
The contact area of gas, accelerate mixed gas in NOx and NH3H2O reaction rate, NOx after reaction, mixed gas
Become bubble to emerge and rupture, then be entered in adsorbent chamber 30 by the 4th connecting tube 29, the active carbon mistake in adsorbent chamber 30
Remaining impurity in mixed gas is filtered, mixed gas is made to meet discharge standard, last gas is discharged into atmosphere by exhaust pipe 31,
It can will be diluted except the ammonium hydroxide in nitre chamber 2 in NOx and the water of NH3H2O generated when reacting, therefore except being diluted in nitre chamber 2
Ammonium hydroxide can be entered in the inflow inverting chamber 35 of pipe 33 by changing liquid stream, liquid in 36 real-time detection inverting chamber 35 of the second anticorrosion liquidometer
Face height, when liquid level reaches setting value, gas flows into valve 39 and opens, and the ammonia in ammonia chamber 40 is made to enter inverting chamber
In 35, ammonia is dissolved in the ammonium hydroxide being diluted, to improve ammonia concn again, gas can be set according to actual conditions and flow into valve
39 opening time, controller 47, which controls gas and flows into valve 39, after setting time closes, and prevents the ammonia concn in inverting chamber 35
It is excessively high, gas flow into valve 39 close after controller 47 control change liquid stream go out valve 41 opening, ammonium hydroxide by change liquid stream outlet pipe 38 flow into ammonia
In water cavity 42, then sulphur removal chamber 1 is entered by the 5th connecting tube 44 and the first connecting tube 3 by ammonium hydroxide chamber 42 and is removed in nitre chamber 2 again
Carry out purification process.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of low temperature dust-removal and desulfurizing denitrating system, including sulphur removal chamber (1) and remove nitre chamber (2), it is characterised in that: described to remove nitre chamber
(2) set on sulphur removal chamber (1) side, the sulphur removal chamber (1) and except the first connecting tube (3) are equipped between nitre chamber (2), described first connects
(3) are taken over to be equipped with sulphur removal charging valve (4) and remove nitre charging valve (5), it is described except nitre charging valve (5) are set to sulphur removal charging valve (4)
Side, the sulphur removal chamber (1) is internal to be equipped with the first bull stick (6), and the first bull stick (6) two sides are equipped with the first water-bath pipe (7),
The first water-bath pipe (7) is equipped with the first water-bath hole (8), is equipped with first gear ring on the outside of the first bull stick (6) end
(9), first motor (10) are equipped at the top of the sulphur removal chamber (1), first motor (10) end is equipped with first gear (11), institute
The first bull stick (6) end is stated equipped with the second connecting tube (12), the second connecting tube (12) end is equipped with electric precipitator (13), institute
Electric precipitator (13) side is stated equipped with air inlet pipe (14), the air inlet pipe (14) is equipped with intake valve (15), the sulphur removal chamber (1)
Bottom is equipped with chemical fertilizer pipe (16), and the chemical fertilizer pipe (16) is equipped with chemical fertilizer valve (17), and chemical fertilizer pipe (16) end is equipped with chemical fertilizer
Chamber (18), the chemical fertilizer chamber (18) is internal to be equipped with the first anticorrosion liquidometer (19), is equipped with first at the top of the chemical fertilizer chamber (18)
Alarm (20), described except the second bull stick (21) are equipped with inside nitre chamber (2), the second bull stick (21) bottom is equipped with catalysis box
(22), the second bull stick (21) two sides are equipped with the second water-bath pipe (23), and the second water-bath pipe (23) is equipped with the second water
It bathes hole (24), is equipped with second gear ring (25) on the outside of the second bull stick (21) end, second is equipped at the top of the sulphur removal chamber (1)
Motor (26), the second motor (26) end are equipped with second gear (27), and the second bull stick (21) end connects equipped with third
It takes over (28), the second motor (26) side is equipped with the 4th connecting tube (29), and the 4th connecting tube (29) end, which is equipped with, inhales
Attached chamber (30), adsorbent chamber (30) side are equipped with exhaust pipe (31), and the exhaust pipe (31) is equipped with exhaust valve (32), described
It changes liquid stream except nitre chamber (2) side is equipped with and enters pipe (33), it is described to change liquid stream and enter pipe (33) and be equipped with to change liquid stream and enter valve (34), it is described to change
Liquid stream enters pipe (33) end equipped with inverting chamber (35), and the inverting chamber (35) is internal to be equipped with the second anticorrosion liquidometer (36), institute
It states inverting chamber (35) side and flows into pipe (37) and the other side equipped with changing liquid stream outlet pipe (38) equipped with gas, the gas flows into pipe
(37) it is equipped with gas and flows into valve (39), the gas flows into pipe (37) end and is equipped with ammonia chamber (40), described to change liquid stream outlet pipe
(38) it is equipped with and changes liquid stream and go out valve (41), liquid stream outlet pipe (38) end of changing is equipped with ammonium hydroxide chamber (42), the ammonium hydroxide chamber (42)
Inside is equipped with third anticorrosion liquidometer (43), and ammonium hydroxide chamber (42) side is equipped with the 5th connecting tube (44) and the other side is set
Have the second alarm (45), the 5th connecting tube (44) is equipped with pressure pump (46), and the second alarm (45) bottom is set
There are controller (47)；
Sulphur removal chamber (1) is used to remove the SO2 in mixed gas, and reaction equation is SO2+2NH3H2O=(NH4) 2SO3+H2O；
Except nitre chamber (2) are used to remove the NOx in mixed gas, reaction equation is 2xNH3+3NOx=(x+3/2) N2+3xH20；
First connecting tube (3) for cooperate the 5th connecting tube (44) from ammonium hydroxide chamber (42) to sulphur removal chamber (1) or except in nitre chamber (2)
Add ammonium hydroxide；
Electric precipitator (13) is used to remove the dust and little particle in mixed gas；
Chemical fertilizer chamber (18) is used to store SO2 in the hydrogen sulfate ammonia for reacting generation with NH3H2O；
The sulphur that first anticorrosion liquidometer (19) cooperation the first alarm (20) is used to remind staff's chemical fertilizer chamber (18) internal
Sour hydrogen ammonia liquid level has reached setting height；
Adsorbent chamber (30) is purified by active carbon to sulphur removal and except the mixed gas after nitre again；
Inverting chamber (35) is used for will be except the concentration for the ammonium hydroxide being diluted in nitre chamber (2) improves again；
Second anticorrosion liquidometer (36) cooperation gas flows into valve (39) and is diluted ammonium hydroxide liquid level for working as in inverting chamber (35)
When height reaches setting value, gas flows into valve (39) and opens, and enters the ammonia in ammonia chamber (40) in inverting chamber (35)；
Ammonium hydroxide chamber (42) is for storing ammonium hydroxide；
Third anticorrosion liquidometer (43) cooperation the second alarm (45) is for reminding staff's ammonium hydroxide chamber (42) internal liquid level
Height reaches setting value.
2. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: chemical fertilizer chamber (18) side
Face is equipped with chemical fertilizer effuser (48), and the chemical fertilizer effuser (48) is equipped with chemical fertilizer outflow valve (49), the ammonia chamber (40) one
Side is equipped with ammonia input pipe (50), and the ammonia input pipe (50) is equipped with ammonia transfer valve (51), the ammonium hydroxide chamber (42) one
Side is equipped with ammonium hydroxide input pipe (52), and the ammonium hydroxide input pipe (52) is equipped with ammonium hydroxide transfer valve (53).
3. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: first bull stick (6)
Hollow bull stick is disposed as with the second bull stick (21).
4. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: first bull stick (6)
At the top of sulphur removal chamber (1) and sulphur removal chamber (1) outside is extended to, second bull stick (21) is run through except nitre chamber (2) top and prolonged
It extends to except nitre chamber (2) are external.
5. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: first bull stick (6)
It is connect by shaft with the second connecting tube (12), second bull stick (21) is connect by shaft with third connecting tube (28), institute
It states the second bull stick (21) to connect by third connecting tube (28) with sulphur removal chamber (1), first connecting tube (3) passes through the 5th connection
Pipe (44) is connect with ammonium hydroxide chamber (42).
6. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: the first gear (11)
It is engaged with first gear ring (9), the second gear (27) is engaged with second gear ring (25).
7. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: the first anticorrosion liquid
Position meter (19), the second anticorrosion liquidometer (36) and third anticorrosion liquidometer (43) model are disposed as commercially available BST6600-
YB/FB type anticorrosion liquidometer.
8. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: in the ammonium hydroxide chamber (42)
Portion is filled with ammonium hydroxide, and the ammonia concn is 25% ~ 28%.
9. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: in the catalysis box (22)
Portion is filled with platinum-rhodium alloy, is filled with active carbon inside the adsorbent chamber (30).
10. a kind of low temperature dust-removal and desulfurizing denitrating system according to claim 1, it is characterised in that: first anticorrosion
Liquidometer (19) and the first alarm (20) are electrically connected with controller (47), the second anticorrosion liquidometer (36) and gas
Body flows into valve (39) and is electrically connected with controller (47), and the third anticorrosion liquidometer (43) and the second alarm (45) are equal
It is electrically connected with controller (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034879.6A CN109092036A (en) | 2018-09-06 | 2018-09-06 | A kind of low temperature dust-removal and desulfurizing denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034879.6A CN109092036A (en) | 2018-09-06 | 2018-09-06 | A kind of low temperature dust-removal and desulfurizing denitrating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109092036A true CN109092036A (en) | 2018-12-28 |
Family
ID=64865187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811034879.6A Pending CN109092036A (en) | 2018-09-06 | 2018-09-06 | A kind of low temperature dust-removal and desulfurizing denitrating system |
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| Country | Link |
|---|---|
| CN (1) | CN109092036A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112495149A (en) * | 2020-11-02 | 2021-03-16 | 杭州国泰环保科技股份有限公司 | Sludge incineration flue gas desulfurization system |
| CN113413706A (en) * | 2021-07-09 | 2021-09-21 | 江苏科技大学 | Dust treatment device of plasma cutting machine |
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| EP3272413A1 (en) * | 2015-03-20 | 2018-01-24 | Yongfeng Boyuan Industry Co. Ltd. Jiangxi Province | Desulfurization and denitration agent |
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| EP3272413A1 (en) * | 2015-03-20 | 2018-01-24 | Yongfeng Boyuan Industry Co. Ltd. Jiangxi Province | Desulfurization and denitration agent |
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| CN112495149A (en) * | 2020-11-02 | 2021-03-16 | 杭州国泰环保科技股份有限公司 | Sludge incineration flue gas desulfurization system |
| CN113413706A (en) * | 2021-07-09 | 2021-09-21 | 江苏科技大学 | Dust treatment device of plasma cutting machine |
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