CN207680068U - A kind of denitrating flue gas ammonium hydroxide vapo(u)rization system - Google Patents
A kind of denitrating flue gas ammonium hydroxide vapo(u)rization system Download PDFInfo
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- CN207680068U CN207680068U CN201721784669.XU CN201721784669U CN207680068U CN 207680068 U CN207680068 U CN 207680068U CN 201721784669 U CN201721784669 U CN 201721784669U CN 207680068 U CN207680068 U CN 207680068U
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- ammonium hydroxide
- spray gun
- ammonia
- valve group
- compressed air
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- 239000000908 ammonium hydroxide Substances 0.000 title claims abstract description 125
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 239000003546 flue gas Substances 0.000 title claims abstract description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000007921 spray Substances 0.000 claims abstract description 56
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 44
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 9
- 206010022000 influenza Diseases 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 abstract description 11
- 230000008020 evaporation Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000002351 wastewater Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- 238000009834 vaporization Methods 0.000 description 7
- 230000008016 vaporization Effects 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 6
- 238000010790 dilution Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- -1 valve group Substances 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model belongs to gas denitrifying technology field, provide a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system, including tank used for storing ammonia, twin spray gun, ammonium hydroxide evaporator, compressed air main pipe and SCR neat stress flues, tank used for storing ammonia is connected to by ammonium hydroxide pipeline with twin spray gun, compressed air main pipe is connected to by compressed air line with twin spray gun, twin spray gun is at least provided with one, and connects with the internal cavities of the gun slot of twin spray gun with ammonium hydroxide evaporator, one end of ammonium hydroxide evaporator is connected to by hot-blast pipe line with SCR neat stress flues, the other end of ammonium hydroxide evaporator is communicated with ammonia air pipe line, and it is connected to ammonia-spraying grid by ammonia air pipe line.The utility model reduces the energy consumption of ammonium hydroxide evaporation, improves ammonium hydroxide evaporation efficiency, reduces floor space, optimize system configuration, realize ammonia gas wastewater zero-emission, reduces entire denitrating system operating cost.
Description
Technical field
The utility model is related to gas denitrifying technology field more particularly to a kind of denitrating flue gas ammonium hydroxide vapo(u)rization systems.
Background technology
The 67% of China's nitrogen oxides (abbreviation NOx) discharge comes from coal burning, the emission source polluted according to SO2, NOx
Survey data shows that the key industry of SO2, NOx pollution control is thermoelectricity, steel, cement etc., is realized to the effective of discharge flue gas
Denitration purification is most important to environmental protection, in recent years, in recent years, common concern and environmental protection with people to air environmental protection
The increasing of policy dynamics, gas denitrifying technology are quickly grown.
Currently, there are three types of denitration prevailing technologies, one is SNCR, i.e. selective non-catalytic reduction system, i.e., ammonia is sprayed in stove
(or urea) carries out at high temperature, is not necessarily to catalyst；Another kind is SCR, i.e. selective catalytic reduction system operating, this technique is in height
It is carried out under warm (300~420 DEG C), needs that catalyst is installed, also one is the combined denitration technique of SNCR+SCR, leading portion is stove
Interior gametic fertility, back segment are catalyst denitration；With the increasing of environmental protection policy dynamics, corresponding environmental requirement is increasingly strict, takes off
Nitre also requires to be increasingly stringenter, and simple SNCR can not meet related request, SCR technology with more and more extensive, for
SCR techniques mainly spray into ammonia in high-temperature flue gas, are carried out after mixing, in the item of catalyst by certain means
Selective denitrification is carried out under part, currently, SCR reducing agents have urea, liquefied ammonia and ammonium hydroxide, wherein urea to need to be pyrolyzed, operating cost
Higher, the storing dangerous coefficient of liquefied ammonia is high, so more and more as the SCR of reducing agent using ammonium hydroxide, ammonium hydroxide as catalyst, need by
Ammonium hydroxide mixes after being changed into ammonia with flue gas, then carries out denitration.
The technological core of SCR is that catalyst and ammonia mix, and in the prior art, using the SCR of Ammonia Process, is steamed to ammonium hydroxide
It is most of using the same evaporation technology of liquid ammonia evaporation system when hair, that is, use steam pipe coil to be evaporated in ammonium hydroxide evaporator tank
The ammonia of ammonia, evaporation sprays into flue into after crossing surge tank and dilution air dilution, but the present inventor is in practice, it has been found that above-mentioned
Ammonium hydroxide evaporation technology, there are following defects：
1, system complex, ammonium hydroxide evaporation energy consumption is high, and evaporation efficiency is low；
2, ammonium hydroxide vapo(u)rization system is corroded more serious.
3, the outer discharge capacity of ammonium hydroxide vapo(u)rization system waste water is larger；
4, it takes up a large area, entire denitrating system operating cost is high；
Therefore, a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system is developed, not only there is urgent researching value, it may have is good
Economic benefit and commercial application potentiality, this is exactly where the power that is accomplished of the utility model and basis.
Utility model content
In order to overcome the defect of the prior art as indicated above, the present inventor to have made intensive studies this, paying
After a large amount of creative works, so as to complete the utility model.
Specifically, technical problem to be solved in the utility model is：A kind of denitrating flue gas ammonium hydroxide evaporation system is provided
System improves the mixing efficiency of ammonia and flue gas to reduce ammonium hydroxide vaporization energy consumption and discharge of wastewater.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of denitrating flue gas ammonium hydroxide vapo(u)rization system, including tank used for storing ammonia, twin spray gun, ammonium hydroxide evaporator, pressure
Contracting air main pipe and SCR neat stress flues, the tank used for storing ammonia are connected to by ammonium hydroxide pipeline with the twin spray gun, institute
It states compressed air main pipe to be connected to the twin spray gun by compressed air line, the twin spray gun is at least
There are one if, and connects with the internal cavities of the gun slot of the twin spray gun with the ammonium hydroxide evaporator, the ammonia
One end of water evaporimeter is connected to by hot-blast pipe line with the SCR neat stress flue, the other end connection of the ammonium hydroxide evaporator
There is ammonia-air pipe line, and is connected to ammonia-spraying grid by the ammonia-air pipe line.
As an improvement technical solution, the ammonium hydroxide pipeline includes before being sequentially communicated the ammonium hydroxide metering conveying pump of setting
Valve group before valve group and spray gun after valve group, ammonium hydroxide metering conveying pump, ammonium hydroxide metering conveying pump, valve group before the ammonium hydroxide metering conveying pump
Ammon entry hole be connected to the tank used for storing ammonia, the ammonia mouth that goes out of valve group is connected to the twin spray gun before the spray gun.
As a kind of further improved technical solution, valve group, ammonium hydroxide metering conveying pump before the ammonium hydroxide metering conveying pump
It is arranged in parallel two sets with valve group after ammonium hydroxide metering conveying pump, the quantity of valve group and the twin spray gun before the spray gun
Quantity is consistent, and before spray gun valve group respectively with after the ammonium hydroxide metering conveying pump valve group to go out ammonia mouth in parallel.
As an improvement technical solution, the compressed air line includes compressed air valve group, the compressed air
The air inlet of valve group is connected to the compressed air main pipe, and gas outlet and the twin of the compressed air valve group spray
Rifle is connected to.
As a kind of further improved technical solution, quantity and the twin of the compressed air valve group spray
The quantity of rifle is consistent, and the compressed air valve group is in parallel.
As an improvement technical solution, the hot-blast pipe line includes valve before the high-temperature hot-air wind turbine for being sequentially communicated setting
Door, high-temperature hot-air wind turbine and high-temperature hot-air wind turbine late gate, the air inlet and the SCR of the high-temperature hot-air wind turbine early gate are net
Flue gases duct is connected to, and the high-temperature hot-air wind turbine late gate is connected to the ammonium hydroxide evaporator.
As a kind of further improved technical solution, the high-temperature hot-air wind turbine early gate, high-temperature hot-air wind turbine and height
Warm air-heater late gate has been arranged in parallel two sets.
As a kind of further improved technical solution, the high-temperature hot-air wind turbine late gate and the ammonium hydroxide evaporator it
Between flue in be equipped with an orifice flowmeter.
As an improvement technical solution, the hot-blast pipe line is connected to the bottom end of the ammonium hydroxide evaporator, the ammonia-
Air pipe line is connected to the top of the ammonium hydroxide evaporator.
After using above-mentioned technical proposal, the utility model has the beneficial effects that：
The ammonium hydroxide in tank used for storing ammonia is delivered to ammonium hydroxide evaporator by ammonium hydroxide metering conveying pump, while in compressed air hose
Under the action of the compressed air of road conveying, ammonium hydroxide evaporator, mist are injected directly into after ammonium hydroxide is atomized by twin spray gun
Ammonium hydroxide after change is mixed with the heat smoke introduced from ammonium hydroxide evaporator bottom end, under the action of high warm flue gas, and then realization pair
The vaporization of ammonium hydroxide, the ammonia after vaporization are delivered to ammonia-spraying grid through ammonia-air pipe line, and it is anti-that SCR is uniformly sprayed by ammonia-spraying grid
Flue before device is answered, realizes that ammonia is mixed with the uniform of pending flue gas, for follow-up denitration purified treatment, and ammonium hydroxide evaporator bottom
Neat stress of the heat smoke after SCR reactor denitrations introduced is held, by high-temperature hot-air wind turbine by SCR reactors gas outlet position
The high temperature neat stress of the place's of setting discharge, which is directly pumped to ammonium hydroxide evaporator, to be used；The ammonium hydroxide vapo(u)rization system based on above-mentioned technique, phase
More traditional process evaporated to ammonium hydroxide using steam pipe coil, is not only substantially increased the vaporization efficency of ammonium hydroxide, finally carried
The high denitration efficiency to flue gas, and recycling and the secondary use of waste heat are realized, the energy has been saved, energy consumption is reduced, has been not necessarily to
It can be injected directly into flue by the dilution of surge tank and dilution air, reduce the corrosion impact to system, system flow
More optimize, is simple, while reducing floor space, effectively reducing the operating cost of entire flue gas denitrification system, in addition, logical
It crosses high-temperature hot-air to realize to the carburation by evaporation of ammonium hydroxide, realizes system wastewater zero discharge, it is convenient and practical.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar
Element or part are generally identified by similar reference numeral.In attached drawing, each element or part might not be according to actual ratios
It draws.
Fig. 1 is the structural schematic diagram of the utility model；
Reference numeral：1- tank used for storing ammonia；2- twin spray guns；3- ammonium hydroxide evaporators；4- compressed air main pipes；5-
SCR neat stress flues；6- ammonium hydroxide pipelines；7- compressed air lines；8- hot-blast pipe lines；9- ammonia-air pipe line；10- ammonia-spraying grids；
Valve group before 11- ammonium hydroxide metering conveying pumps；12- ammonium hydroxide metering conveying pumps；Valve group after 13- ammonium hydroxide metering conveying pumps；Valve before 14- spray guns
Group；15- compressed air valve groups；16- high-temperature hot-air wind turbine early gates；17- high-temperature hot-air wind turbines；Valve after 18- high-temperature hot-air wind turbines
Door；19- orifice flowmeters.
Specific implementation mode
The utility model is further illustrated with reference to specific embodiment.But the purposes of these exemplary embodiments
Only it is used for enumerating the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the scope of protection of the utility model is confined to this.
As shown in Figure 1, a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system is present embodiments provided, including tank used for storing ammonia 1, double fluid
Body atomizing lance 2, ammonium hydroxide evaporator 3, compressed air main pipe 4 and SCR neat stress flue 5, tank used for storing ammonia 1 passes through ammonium hydroxide pipeline 6
It is connected to twin spray gun 2, compressed air main pipe 4 is connected to by compressed air line 7 with twin spray gun 2, double
Fluid atomizing spray gun 2 is at least provided with one, and in the present embodiment, uniformly row is equipped with 3, and two-fluid mist to twin spray gun 2
Change connects with the internal cavities of the gun slot with ammonium hydroxide evaporator 3 of spray gun 2, one end of ammonium hydroxide evaporator 3 by hot-blast pipe line 8 with
SCR neat stress flue 5 is connected to, and the other end of ammonium hydroxide evaporator 3 is communicated with ammonia-air pipe line 9, and passes through ammonia-air pipe line 9 and spray ammonia
Grid 10 is connected to.
Ammonium hydroxide pipeline 6 includes being sequentially communicated valve group 11, ammonium hydroxide metering conveying pump 12, ammonia before the ammonium hydroxide metering conveying pump of setting
Valve group 14 before valve group 13 and spray gun after water metering conveying pump, the ammon entry hole and tank used for storing ammonia 1 of valve group 11 before ammonium hydroxide metering conveying pump
It being connected to, the ammonia mouth that goes out of valve group 14 is connected to twin spray gun 2 before spray gun, in the present embodiment, valve before ammonium hydroxide metering conveying pump
Valve group 13 has been arranged in parallel two sets after group 11, ammonium hydroxide metering conveying pump 12 and ammonium hydroxide metering conveying pump, in use, two ammonium hydroxide meters
12 the using and the reserved of delivery pump are measured, the quantity of valve group 14 is consistent with 2 quantity of twin spray gun before spray gun, is again provided with 3, and
Before spray gun valve group 14 respectively with after ammonium hydroxide metering conveying pump valve group 13 to go out ammonia mouth in parallel, it is a pair of with twin spray gun 2 one
It should be connected to.
Compressed air line 7 includes compressed air valve group 15, air inlet and the compressed air main pipe 4 of compressed air valve group 15
Connection, the gas outlet of compressed air valve group 15 is connected to twin spray gun 2, in the present embodiment, compressed air valve group 15
Quantity is consistent with the quantity of twin spray gun 2, and compressed air valve group 15 is in parallel, a pair of with twin spray gun 2 one
It should be connected to.
Hot-blast pipe line 8 includes high-temperature hot-air wind turbine early gate 16, high-temperature hot-air wind turbine 17 and the high temperature for being sequentially communicated setting
The air inlet of air-heater late gate 18, high-temperature hot-air wind turbine early gate 16 is connected to SCR neat stress flue 5, high-temperature hot-air wind
Machine late gate 18 is connected to ammonium hydroxide evaporator 3, in the present embodiment, high-temperature hot-air wind turbine early gate 16,17 and of high-temperature hot-air wind turbine
High-temperature hot-air wind turbine late gate 18 has been arranged in parallel two sets, in use, two 17 the using and the reserved of high-temperature hot-air wind turbine, in addition, high
An orifice flowmeter 19 is additionally provided in flue between warm air-heater late gate 18 and ammonium hydroxide evaporator 3, to measure hot wind
Flow.
To make the vaporization effect to ammonium hydroxide good, hot-blast pipe line 8 is connected to the bottom end of ammonium hydroxide evaporator 3, ammonia-air pipe line 9
It being connected to the top of ammonium hydroxide evaporator 3, the ammonia after vaporization through ammonia-air pipe line is delivered to ammonia-spraying grid 10 after being mixed with hot gas,
Flue is reacted before finally spraying into SCR reactors, realizes the denitration process to pending flue gas.
When the present embodiment is in use, the ammonium hydroxide to be come by tank car transport is stored in tank used for storing ammonia 1, and tank used for storing ammonia 1 is at least
3 days dosages of denitrating system can be stored；Ammonium hydroxide in tank used for storing ammonia 1 is adjusted by the filtering of valve group 11 before ammonium hydroxide metering conveying pump
Afterwards, into 12 pressure-increasing unit of ammonium hydroxide metering conveying pump, 12 the using and the reserved of ammonium hydroxide metering conveying pump, the ammonium hydroxide of pressure-increasing unit passes through ammonia
After water metering conveying pump after valve group 13 by pipeline to twin spray gun 2, certainly, the number of twin spray gun 2
It measures and is determined by the ammonia amount needed for technique, meanwhile, it is connect from compressed air main pipe 4 and draws compressed air, pass through compressed air valve group
15 decompressions are adjusted, and compressed air is adjusted to after convenient pressure, through pipeline at twin spray gun 2, compressed air
After two kinds of fluid mixing of ammonium hydroxide, sprayed into ammonium hydroxide evaporator 3 by twin spray gun 2；At the same time, in the net cigarettes of SCR
5 exit of gas flue connects the purified heat smoke of the denitration drawn (temperature is between 300 DEG C~420 DEG C), passes through high-temperature hot-air wind
Machine early gate 16 is adjusted, defeated by pipeline after being adjusted into the boosting of high-temperature hot-air wind turbine 17 and high-temperature hot-air wind turbine late gate 18
Send into ammonium hydroxide evaporator 3,17 the using and the reserved of high-temperature hot-air wind turbine, high-temperature hot-air wind turbine late gate 18 and ammonium hydroxide evaporator 3 it
Between flue in the orifice flowmeter 19 that is equipped with, realize the metering to hot blast rate, the heat smoke being passed through by 3 bottom end of ammonium hydroxide evaporator
The atomized ammonia sprayed into twin spray gun 2 uniformly mixes, and ammonium hydroxide is completely vaporized by the self-contained heat of flue gas, and
It is allowed to be uniformly mixed with hot wind, it is then by ammonia-air pipe line 9 that mixed ammonia and flue gas is defeated from 3 top of ammonium hydroxide evaporator
It send to ammonia-spraying grid 10, most is allowed to uniformly mix with pending flue gas through flue before the penetrating SCR reactors of ammonia-spraying grid 10 afterwards,
For follow-up denitration purified treatment.
The ammonium hydroxide vapo(u)rization system based on above-mentioned technique, compares traditional technique side evaporated to ammonium hydroxide using steam pipe coil
Method not only substantially increases the vaporization efficency of ammonium hydroxide, finally improves the denitration efficiency to flue gas, and realizes the recycling of waste heat
And secondary use, the energy has been saved, energy consumption is reduced, needing not move through the dilution of surge tank and dilution air can be injected directly into
Flue reduces the corrosion impact to system, and system flow more optimizes, is simple, while reducing floor space, effectively reduces
The operating cost of entire flue gas denitrification system realizes system in addition, being realized to the carburation by evaporation of ammonium hydroxide by high-temperature hot-air
Wastewater zero discharge, it is convenient and practical.
It should be appreciated that the purposes of these embodiments is merely to illustrate the utility model and is not intended to limitation the utility model
Protection domain.In addition, it should also be understood that, after having read the technology contents of the utility model, those skilled in the art can be right
The utility model makees various change, modification and/or variation, all these equivalent forms equally fall within right appended by the application and want
Seek book within the limits of the protection.
Claims (9)
1. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system, it is characterised in that：Including tank used for storing ammonia, twin spray gun, ammonium hydroxide
Evaporator, compressed air main pipe and SCR neat stress flues, the tank used for storing ammonia are sprayed by ammonium hydroxide pipeline and the twin
Rifle is connected to, and the compressed air main pipe is connected to by compressed air line with the twin spray gun, the two-fluid mist
Change spray gun at least provided with one, and the gun slot of the twin spray gun connects with the internal cavities of the ammonium hydroxide evaporator
Logical, one end of the ammonium hydroxide evaporator is connected to by hot-blast pipe line with the SCR neat stress flue, the ammonium hydroxide evaporator it is another
One end is communicated with ammonia-air pipe line, and is connected to ammonia-spraying grid by the ammonia-air pipe line.
2. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as described in claim 1, it is characterised in that：The ammonium hydroxide pipeline includes
Valve group and spray gun after valve group, ammonium hydroxide metering conveying pump, ammonium hydroxide metering conveying pump are sequentially communicated before the ammonium hydroxide metering conveying pump of setting
Preceding valve group, the ammon entry hole of valve group is connected to the tank used for storing ammonia before the ammonium hydroxide metering conveying pump, and valve group goes out before the spray gun
Ammonia mouth is connected to the twin spray gun.
3. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as claimed in claim 2, it is characterised in that：The ammonium hydroxide metering conveying
Valve group has been arranged in parallel two sets after valve group, ammonium hydroxide metering conveying pump and ammonium hydroxide metering conveying pump before pump, valve group before the spray gun
Quantity is consistent with the twin spray gun quantity, and before spray gun valve group respectively with valve group after the ammonium hydroxide metering conveying pump
It is in parallel to go out ammonia mouth.
4. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as described in claim 1, it is characterised in that：The compressed air line
Including compressed air valve group, the air inlet of the compressed air valve group is connected to the compressed air main pipe, the compressed air
The gas outlet of valve group is connected to the twin spray gun.
5. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as claimed in claim 4, it is characterised in that：The compressed air valve group
Quantity it is consistent with the quantity of twin spray gun, and the compressed air valve group is in parallel.
6. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as described in claim 1, it is characterised in that：The hot-blast pipe line includes
It is sequentially communicated the high-temperature hot-air wind turbine early gate, high-temperature hot-air wind turbine and high-temperature hot-air wind turbine late gate of setting, the high warm
The air inlet of wind wind turbine early gate is connected to the SCR neat stress flue, the high-temperature hot-air wind turbine late gate and the ammonium hydroxide
Evaporator is connected to.
7. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as claimed in claim 6, it is characterised in that：The high-temperature hot-air wind turbine
Early gate, high-temperature hot-air wind turbine and high-temperature hot-air wind turbine late gate have been arranged in parallel two sets.
8. a kind of denitrating flue gas ammonium hydroxide vapo(u)rization system as claimed in claim 7, it is characterised in that：The high-temperature hot-air wind turbine
An orifice flowmeter is equipped in flue between late gate and the ammonium hydroxide evaporator.
9. such as a kind of claim 1-8 any one of them denitrating flue gas ammonium hydroxide vapo(u)rization system, it is characterised in that：The hot wind
Pipeline is connected to the bottom end of the ammonium hydroxide evaporator, and the ammonia-air pipe line is connected to the top of the ammonium hydroxide evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721784669.XU CN207680068U (en) | 2017-12-19 | 2017-12-19 | A kind of denitrating flue gas ammonium hydroxide vapo(u)rization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721784669.XU CN207680068U (en) | 2017-12-19 | 2017-12-19 | A kind of denitrating flue gas ammonium hydroxide vapo(u)rization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207680068U true CN207680068U (en) | 2018-08-03 |
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ID=62994438
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721784669.XU Expired - Fee Related CN207680068U (en) | 2017-12-19 | 2017-12-19 | A kind of denitrating flue gas ammonium hydroxide vapo(u)rization system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045892A (en) * | 2018-10-18 | 2018-12-21 | 蔡赞区 | Thermostatic type liquid gasification jet gun system and its gasification and jet method |
| CN110772915A (en) * | 2019-10-25 | 2020-02-11 | 江苏朗润环保科技有限公司 | Sintering flue gas SCR denitration and whitening system and process |
| CN111420551A (en) * | 2020-04-08 | 2020-07-17 | 哈尔滨锅炉厂有限责任公司 | Ammonia water evaporation device for SCR denitration injection system |
| CN111686570A (en) * | 2020-07-22 | 2020-09-22 | 天津中材工程研究中心有限公司 | System and method for tail gas denitration of independent heat source grinding system |
| CN113975834A (en) * | 2021-11-26 | 2022-01-28 | 安徽恒夏环保科技有限公司 | Hot-blast aqueous ammonia vaporization system for SCR denitration |
-
2017
- 2017-12-19 CN CN201721784669.XU patent/CN207680068U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109045892A (en) * | 2018-10-18 | 2018-12-21 | 蔡赞区 | Thermostatic type liquid gasification jet gun system and its gasification and jet method |
| CN109045892B (en) * | 2018-10-18 | 2020-11-10 | 蔡赞区 | Constant-temperature liquid gasification air injection spray gun system and gasification and air injection method thereof |
| CN110772915A (en) * | 2019-10-25 | 2020-02-11 | 江苏朗润环保科技有限公司 | Sintering flue gas SCR denitration and whitening system and process |
| CN111420551A (en) * | 2020-04-08 | 2020-07-17 | 哈尔滨锅炉厂有限责任公司 | Ammonia water evaporation device for SCR denitration injection system |
| CN111686570A (en) * | 2020-07-22 | 2020-09-22 | 天津中材工程研究中心有限公司 | System and method for tail gas denitration of independent heat source grinding system |
| CN113975834A (en) * | 2021-11-26 | 2022-01-28 | 安徽恒夏环保科技有限公司 | Hot-blast aqueous ammonia vaporization system for SCR denitration |
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