CN206613386U - Rectification and purification ammonia system is pyrolyzed for the ammonium bicarbonate solution that SCR reacts - Google Patents
Rectification and purification ammonia system is pyrolyzed for the ammonium bicarbonate solution that SCR reacts Download PDFInfo
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- CN206613386U CN206613386U CN201720101639.8U CN201720101639U CN206613386U CN 206613386 U CN206613386 U CN 206613386U CN 201720101639 U CN201720101639 U CN 201720101639U CN 206613386 U CN206613386 U CN 206613386U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model is related to ammonium bicarbonate soln ammonia field, especially a kind of ammonium bicarbonate solution pyrolysis rectification and purification ammonia system reacted for SCR.The liquid outlet of ammonium bicarbonate solubility room is connected with the liquid outlet of ammonium bicarbonate breaks down room, and the first inlet of ammonium bicarbonate solubility room is connected with the inlet of ammonium bicarbonate breaks down room, and the second inlet of ammonium bicarbonate solubility room is connected with the coolant outlet of cooler；The gas outlet of the ammonium bicarbonate breaks down room is connected with the air inlet of ammonia scrubber；The liquid outlet of the ammonia scrubber is connected with the inlet of ammoniacal liquor vaporization chamber, and the liquid outlet of ammoniacal liquor vaporization chamber is connected with the dilute ammonia solution inlet of cooler, and the liquid outlet of cooler is connected with the dilute ammonia solution inlet of ammonia scrubber；The gas outlet of ammoniacal liquor vaporization chamber is connected with flue.It can efficiently separate out the carbon dioxide that ammonium hydrogencarbonate pyrolysis is produced, and interference of the carbon dioxide to SCR reaction denitrations be excluded, so as to improve SCR reaction rates.
Description
Technical field
The utility model is related to ammonium bicarbonate soln ammonia field, and especially a kind of ammonium hydrogencarbonate for SCR reactions is molten
Liquid is pyrolyzed rectification and purification ammonia system.
Background technology
Nitrogen oxides is one of main noxious emission that motor exhaust is discharged fume with coal-fired power plant, causes a series of rings
Border problem simultaneously endangers human health.Smoke evacuation denitration at present mainly uses NOXThe higher SCR reaction denitration technologies of transformation efficiency.Urine
Plain solution is the reducing agent of conventional SCR reaction denitration technologies, and its principle is that urea liquid is sprayed onto into flue and high temperature cigarette
Gas is mixed, and is decomposed its atomization and is produced ammonia, in the presence of catalyst, NOXN is reduced into by ammonia2.It has the disadvantage that urea is molten
Liquid is pyrolyzed generation foreign gas effect of carbon dioxide SCR reaction denitrations in flue gas.Compared with urea, ammonium hydrogencarbonate decomposition temperature
It is low, the advantages of solubility is big in water, used also as the reducing agent raw material of SCR reaction denitration technologies, but ammonium hydrogencarbonate is pyrolyzed generation
Carbon dioxide can still influence SCR reaction denitrations.
Utility model content
The purpose of this utility model is to solve the above-mentioned problems in the prior art, it is proposed that it is anti-that one kind is used for SCR
The ammonium bicarbonate solution pyrolysis rectification and purification ammonia system answered, it can efficiently separate out the titanium dioxide that ammonium hydrogencarbonate pyrolysis is produced
Carbon, excludes interference of the carbon dioxide to SCR reaction denitrations, so as to improve SCR reaction rates.
The technical solution of the utility model is：A kind of ammonium bicarbonate solution pyrolysis rectification and purification ammonia reacted for SCR
System, including ammonium bicarbonate breaks down room, ammoniacal liquor vaporization chamber, flue and SCR reactors, SCR reactors connect with flue
It is logical, connected between ammonium bicarbonate breaks down room and ammoniacal liquor vaporization chamber by heat-exchange circulating device, in addition to ammonium bicarbonate solubility room, ammonia
Aspiration device and cooler, the liquid outlet of the ammonium bicarbonate solubility room are connected with the liquid outlet of ammonium bicarbonate breaks down room, carbonic acid
First inlet of hydrogen ammonium dissolving chamber is connected with the inlet of ammonium bicarbonate breaks down room, the second inlet of ammonium bicarbonate solubility room
Connected with the coolant outlet of cooler；
The gas outlet of the ammonium bicarbonate breaks down room is connected with the air inlet of ammonia scrubber；
The liquid outlet of the ammonia scrubber is connected with the inlet of ammoniacal liquor vaporization chamber, the liquid outlet of ammoniacal liquor vaporization chamber with it is cold
But the dilute ammonia solution inlet connection of device, the liquid outlet of cooler is connected with the dilute ammonia solution inlet of ammonia scrubber；
The gas outlet of ammoniacal liquor vaporization chamber is connected with flue.
In the utility model, the heat-exchange circulating device is conduction oil heat-exchange circulating device, including is separately positioned on carbonic acid
Rising film device and connecting in hydrogen ammonium decomposition chamber, ammoniacal liquor vaporization chamber is led between the heat-conducting oil pipes of two liters of film devices, two liters of film devices
Cross heat-conducting oil pipes and connect the EGR to form closure, heat-conducting oil pipes are arranged in flue.
The gas outlet of the ammonium bicarbonate breaks down room passes sequentially through gas mixing tube and millipore filter and ammonia scrubber
Air inlet connection, gas mixing tube be provided with pump.
Valve is provided with the gas outlet of the ammonia scrubber.
The gas outlet of the ammoniacal liquor vaporization chamber is connected by ammonia conveyance conduit with ammonia nozzle, and ammonia nozzle is arranged on cigarette
In feed channel, ammonia conveyance conduit is provided with gas pump.
Described liter of film device includes housing, several layers of liquid bath and conduction oil heat exchanger tube, and liquid bath and conduction oil heat exchanger tube are respectively provided with
In housing, liquid bath is vertically arranged at intervals up and down, and every layer of liquid bath is provided with several conduction oil heat exchanger tubes, the top of housing
Provided with gas outlet, the bottom of housing is provided with liquid outlet, and the side of housing is provided with conduction oil oil inlet and conduction oil oil-out, heat conduction
Oily oil inlet and conduction oil oil-out is connected with the conduction oil heat exchanger tube on several layers of liquid bath respectively, and film is risen in ammonium bicarbonate breaks down room
The conduction oil oil-out of device by heat-conducting oil pipes with and ammoniacal liquor vaporization chamber in rise film device conduction oil oil inlet connect, ammoniacal liquor
The conduction oil oil-out that film device is risen in vaporization chamber passes through the conduction oil of liter film device in heat-conducting oil pipes and ammonium bicarbonate breaks down room
Oil inlet is connected.
The outer surface of the conduction oil heat exchanger tube is microflute or set net is set in the outer surface of conduction oil heat exchanger tube.
The gas outlet of liter film device in the ammoniacal liquor vaporization chamber is connected with flue, and its liquid outlet and cooler enter
Liquid mouthful connection.The gas outlet of liter film device in the ammonium bicarbonate breaks down room is connected with ammonia scrubber, its liquid outlet and carbon
The inlet connection of sour hydrogen ammonium dissolving chamber.
Also include control unit, described control unit respectively with the gas outlet of ammonium bicarbonate breaks down room and ammonia scrubber
The cooling water pump of pump, cooler, the inlet of cooler on air inlet connecting line are connected with the liquid outlet of ammoniacal liquor vaporization chamber
Pump, the inlet of ammoniacal liquor vaporization chamber on pipeline and the pump on the liquid outlet connecting line of ammonia scrubber, ammoniacal liquor vaporization chamber
Gas outlet is connected with the content detection device in the pump on flue connecting line and SCR reactors.
The beneficial effects of the utility model：
(1) SCR reaction denitrations are carried out using the pure ammonia obtained by circulation, improves denitration efficiency：The utility model with
Ammonium hydrogencarbonate is reactant, and the ammonia separation carbon dioxide generation ammoniacal liquor in pyrolytic reaction product is absorbed using ammonia scrubber,
Ammoniacal liquor desorbs ammonia in ammoniacal liquor evaporator, and injection to SCR reactors participates in SCR reactions out of stock；Have by this circulatory system
Effect isolates the carbon dioxide that ammonium hydrogencarbonate pyrolysis is produced, and excludes interference of the carbon dioxide to SCR reaction denitrations, injection purification
Ammonia mixes participation SCR reaction denitrations with flue gas, therefore can obtain higher SCR reaction rates；
(2) heat-exchanger rig of unique texture is employed：Ammonium bicarbonate solution thermal decomposition chamber and the heating in ammoniacal liquor evaporator
Mode uses stream in heat exchange pipe external surface microflute or the jacketed web frame of heat exchange pipe external surface, heat exchanger tube to have outside conduction oil, heat exchanger tube
Surface microflute or the jacketed web frame of heat exchange pipe external surface are simple, can be formed using capillary force and wetting power in horizontal tube outer surface
Film is risen, accelerates ammonium hydrogencarbonate pyrolysis and ammonia desorption rate, the energy is saved and improves heating efficiency；
(3) system effectively utilizes smoke discharging residual heat, reduces energy consumption：The waste heat of smoke evacuation is recycled, it is secondary by conduction oil
Exchange heat is that ammonium hydrogencarbonate pyrolytic reaction and ammonia desorption provide institute's calorific requirement so that the external energy of EGR demand is reduced.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the front view of liter film device；
Fig. 3 is Fig. 2 A-A direction views；
Fig. 4 is Fig. 2 B-B direction view.
In figure：1 ammonium bicarbonate solubility room；2 ammonium bicarbonate breaks down rooms；3 gas mixing tubes；4 millipore filters；5 ammonias are inhaled
Receive device；6 valve ports；7 coolers；8 cooling water water pipes；9 ammoniacal liquor vaporization chambers；10 ammonia nozzles；11 flues rise film device； 12
Conduction oil heat-exchange circulating device；13 flues；15 blenders；16SCR reactors；17 control units；The outlet of 18 liquid bath 19
Mouthful；20 liquid outlets；The conduction oil heat exchanger tube of 21 housing 22；23 conduction oil oil-outs；24 conduction oil oil inlets.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, described include bicarbonate for the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system that SCR reacts
Ammonium decomposition chamber 2, ammoniacal liquor vaporization chamber 9, flue 13 and SCR reactors 16, SCR reactors 16 are connected with flue 13, carbon
Connected between sour hydrogen ammonium decomposition chamber 2 and ammoniacal liquor vaporization chamber 9 by heat-exchange circulating device.Heat-exchange circulating device is that conduction oil heat exchange is followed
Loop device 12, conduction oil heat-exchange circulating device includes the liter film being separately positioned in ammonium bicarbonate breaks down room 2 and ammoniacal liquor vaporization chamber 9
Device 11, and connect between the heat-conducting oil pipes of two liters of film devices, two liters of film devices by heat-conducting oil pipes connection so as to form one
The circulatory system of individual closure.Meanwhile, the heat-conducting oil pipes of conduction oil heat-exchange circulating device are arranged in flue 13, heat-conducting oil pipes
Interior conduction oil absorbs the fume afterheat in flue, and transfers heat to ammonium bicarbonate breaks down room 2 by secondary heat exchange
In ammoniacal liquor vaporization chamber 9.
The circulatory system also includes ammonium bicarbonate solubility room 1, ammonia scrubber 5 and cooler 7, ammonium bicarbonate solubility room 1
Liquid outlet connected by connecting line with the liquid outlet of ammonium bicarbonate breaks down room 2, the first inlet of ammonium bicarbonate solubility room 1
Connected by connecting line with the inlet of ammonium bicarbonate breaks down room 2, pump is equipped with two connecting lines.Ammonium hydrogencarbonate is in carbonic acid
After the inner dissolving of hydrogen ammonium dissolving chamber 1, ammonium hydrogen carbonate thermal decomposition chamber 2 is pumped into.Ammonium bicarbonate soln absorbs conduction oil in thermal decomposition chamber
The concurrent heat decomposition reaction of heat in heat exchanger tube, its reaction principle is as described below：
NH4HCO3=NH3↑+H2O+CO2↑
After thermal decomposition, dilute ammonium bicarbonate solution, which is pumped to ammonium bicarbonate solubility room 1, to be continued to dissolve ammonium hydrogencarbonate.
The gas outlet of ammonium bicarbonate breaks down room 2 is entered by gas mixing tube 3 and millipore filter 4 and ammonia scrubber 5
Gas port is connected, and gas mixing tube 3 is provided with pump, and the gas of ammonium bicarbonate breaks down room 2 is pumped in ammonia scrubber 5.Micropore mistake
Filter 4 makes ammonia fully be dissolved in ammonia scrubber 5, and least a portion of carbon dioxide dissolving is reached after saturation, most of
Discharged by the valve port 6 at the gas outlet of ammonia scrubber 5, so as to reach the effect of discharge carbon dioxide, ammonia scrubber 5
Liquid after interior abundant dissolving ammonia is ammoniacal liquor concentrated solution.
The liquid outlet of ammonia scrubber 5 is connected by connecting line with the inlet of ammoniacal liquor vaporization chamber 9, ammoniacal liquor vaporization chamber 9
Liquid outlet connected by connecting line with the dilute ammonia solution inlet of cooler 7, the dilute ammonia solution liquid outlet of cooler 7
Connected by pipeline with the inlet of ammonia scrubber 5.The liquid outlet of ammonia scrubber 5 and the inlet of ammoniacal liquor vaporization chamber 9 it
Between connecting line and ammoniacal liquor vaporization chamber 9 liquid outlet and cooler 7 dilute ammonia solution inlet connecting line on
Provided with pump.Absorb the ammoniacal liquor concentrated solution after ammonia by pump to enter in ammoniacal liquor vaporization chamber 9, by the high temperature rise of conduction oil heat exchanger tube
Film evaporates, and produces ammonia, and the low solubility ammoniacal liquor for evaporating ammonia enters cooling in cooler 7 by pump, is inhaled subsequently into ammonia
Receive and continue to absorb ammonia in device 5, so as to complete the circulation between ammonia scrubber 5 and ammoniacal liquor evaporator 9.
Cooling water is entered in cooling chamber 7 by cooling water pump, the coolant outlet of cooler 7 by cooling water water pipe 8 with
The second inlet connection of ammonium bicarbonate solubility room 1.Cooler 7 uses water cooling, to supplement the water of ammonium hydrogencarbonate dissolving chamber 1
Amount, the water section of outflow cooler 7 enters ammonium hydrogencarbonate dissolving chamber 1 and participates in dissolving ammonium hydrogencarbonate.
The gas outlet of ammoniacal liquor vaporization chamber 9 is connected by ammonia conveyance conduit with ammonia nozzle 10, and ammonia nozzle 10 is arranged on
In flue 13, ammonia conveyance conduit is provided with gas pump.The ammonia that evaporation is produced in ammoniacal liquor evaporator 9 is conveyed by ammonia
Pipe is pumped into ammonia nozzle 10 by gas pump, and sprays into flue 13, is sufficiently mixed together with flue gas under the effect of blender 15
Into SCR reactors 16, SCR reactions are carried out out of stock.The rear of SCR reactors 16, which is provided with, to be used to determine NOx and NH3 contents
Content detection device.
The utility model also includes control unit 17, the outlet of described control unit 17 respectively with ammonium bicarbonate breaks down room 2
The dilute ammonia solution of mouth and the pump on the air inlet connecting line of ammonia scrubber 5, the cooling water pump of cooler, cooler 7 enters
Liquid mouthful goes out with the pump on the liquid outlet connecting line of ammoniacal liquor vaporization chamber 9, the inlet of ammoniacal liquor vaporization chamber 9 and ammonia scrubber 5
Pump, the gas outlet of ammoniacal liquor vaporization chamber 9 on liquid mouthful connecting line and pump and NOx and NH3 on the connecting line of flue 13
Content detection device connection.Control unit 17 is by detecting the NOx after SCR reactors 16 and NH3 contents, to feed back tune
The circulatory system is saved, the amonia yield of the whole circulatory system is controlled.
Rising film device 11 includes housing 21, several layers of liquid bath 18 and conduction oil heat exchanger tube 22, liquid bath 18 and conduction oil heat exchanger tube
22 are arranged in housing 21, and liquid bath 18 is vertically arranged at intervals up and down, and every layer of liquid bath 18 is changed provided with several conduction oils
In being connected in parallel between conduction oil heat exchanger tube 22 on heat pipe 22, several layers of liquid bath, the top of housing 21 is provided with gas outlet 19, body
21 bottom is provided with liquid outlet 20, and the side of housing 21 is provided with conduction oil oil inlet 23 and conduction oil oil-out 24, and conduction oil enters
Hydraulic fluid port 23 and conduction oil oil-out 24 are connected with the conduction oil heat exchanger tube 22 on multilayer liquid bath 18 respectively, ammonium bicarbonate breaks down room 2
The conduction oil oil-out 23 of interior liter of film device passes through heat-conducting oil pipes and and the interior conduction oil oil inlet for rising film device of ammoniacal liquor vaporization chamber 9
The conduction oil oil-out 23 that film device is risen in 24 connections, ammoniacal liquor vaporization chamber 9 passes through in heat-conducting oil pipes and ammonium bicarbonate breaks down room 2
The conduction oil oil inlet 24 for rising film device is connected.The outer surface of the conduction oil heat exchanger tube 22 is microflute or exchanged heat in conduction oil
The outer surface of pipe 22 sets set net.The gas outlet 19 of liter film device in ammoniacal liquor vaporization chamber 9 is connected with flue 13, and it goes out liquid
Mouth 20 is connected with the inlet of cooler 7.The gas outlet 19 of liter film device in ammonium bicarbonate breaks down room 2 and ammonia scrubber 5
Connection, its liquid outlet 20 is connected with the inlet of ammonium bicarbonate solubility room 1.
When lower surface and the liquid level of conduction oil heat exchanger tube 22 are tangent or immerse slightly, by wetting power, capillary force and
Temperature difference driving force is more etc. to overcome gravity, driving liquid from bottom to top tube wall formation uniformly continuous covering whole surface thin liquid
Film, with the higher coefficient of heat transfer, and then accelerates evaporation process.Its heat utilization rate is high, is a kind of very effective efficient section
The mode of energy augmentation of heat transfer, belongs to passive heat transfer enhancement technology, reduces the power consumption of heat transfer fluid medium.
The course of work of the present utility model is as described below：The conduction oil of conduction oil heat-exchange circulating device 12 is by using exhaust
Heat exchange, enters ammonium hydrogencarbonate thermal decomposition chamber 2 and ammoniacal liquor evaporator 9, respectively ammonium hydrogencarbonate thermal decomposition and ammoniacal liquor desorption by pump
Ammonia provides heat.After ammonium hydrogencarbonate dissolves in dissolving chamber 1, thermal decomposition chamber 2 is pumped into.The reaction production of ammonium hydrogencarbonate thermal decomposition chamber 2
Raw carbon dioxide, ammonia and part vapor is mixed in gas mixing tube 3, enters ammonia by pump and millipore filter 4
Absorber 5, millipore filter 4 makes ammonia fully dissolve, and a small amount of carbon dioxide, which is partly dissolved, to be reached after saturation, most of
Carbon dioxide discharged by valve port 6.Ammonium hydrogencarbonate is after thermal decomposition, and dilute ammonium bicarbonate solution is pumped to dissolving chamber 1
Continue to dissolve ammonium hydrogencarbonate.The ammoniacal liquor concentrated solution for absorbing ammonia desorbs ammonia into ammoniacal liquor vaporization chamber 9 by pump by heat exchange,
Parse the low solubility ammoniacal liquor after ammonia to cool down into cooler 7 by pump, ammonia is absorbed subsequently into ammonia scrubber 5, it is complete
Circulation between ammonia scrubber 5 and ammoniacal liquor evaporator 9.Cooler 7 uses water cooling, for supplement ammonium hydrogencarbonate dissolving chamber water
Amount, the water section of outflow cooler enters ammonium hydrogencarbonate dissolving chamber 1 and participates in dissolving ammonium hydrogencarbonate.The inner desorption of ammoniacal liquor evaporator 9
Ammonia is pumped into ammonia nozzle 10 by ammonia delivery pipe by gas pump, sprays into flue, with flue gas under the effect of blender 15
It is sufficiently mixed and together enters SCR reactors 16, carries out SCR reactions out of stock.Control unit 17 is by detecting by SCR reactors 16
NOx afterwards and NH3 contents, carry out the feedback regulation circulatory system, control the amonia yield of the circulatory system.
Claims (10)
1. a kind of ammonium bicarbonate solution pyrolysis rectification and purification ammonia system reacted for SCR, including ammonium bicarbonate breaks down room
(2), ammoniacal liquor vaporization chamber (9), flue (13) and SCR reactors (16), SCR reactors (16) connect with flue (13)
It is logical, connected between ammonium bicarbonate breaks down room (2) and ammoniacal liquor vaporization chamber (9) by heat-exchange circulating device, it is characterised in that：Also include
Ammonium bicarbonate solubility room (1), ammonia scrubber (5) and cooler (7), the liquid outlet and carbon of the ammonium bicarbonate solubility room (1)
The liquid outlet connection of sour hydrogen ammonium decomposition chamber (2), the first inlet and the ammonium bicarbonate breaks down room (2) of ammonium bicarbonate solubility room (1)
Inlet connection, second inlet of ammonium bicarbonate solubility room (1) connects with the coolant outlet of cooler (7)；
The gas outlet of the ammonium bicarbonate breaks down room (2) is connected with the air inlet of ammonia scrubber (5)；
The liquid outlet of the ammonia scrubber (5) connects with the inlet of ammoniacal liquor vaporization chamber (9), and ammoniacal liquor vaporization chamber (9) goes out liquid
Mouth is connected with the dilute ammonia solution inlet of cooler (7), the dilute ammonia solution liquid outlet and ammonia scrubber of cooler (7)
(5) inlet connection；
The gas outlet of ammoniacal liquor vaporization chamber (9) is connected with flue (13).
2. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 1 reacted for SCR, its feature
It is：The heat-exchange circulating device is conduction oil heat-exchange circulating device (12), including is separately positioned on ammonium bicarbonate breaks down room
(2) lead between the heat-conducting oil pipes of two liters of film devices of liter film device (11) and connection, in ammoniacal liquor vaporization chamber (9), two liters of film devices
Cross heat-conducting oil pipes and connect the EGR to form closure, heat-conducting oil pipes are arranged in flue (13).
3. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 1 reacted for SCR, its feature
It is：The gas outlet of the ammonium bicarbonate breaks down room (2) passes sequentially through gas mixing tube (3) and millipore filter (4) and ammonia
The air inlet connection of absorber (5), gas mixing tube (3) is provided with pump.
4. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 1 reacted for SCR, its feature
It is：Valve (6) is provided with the gas outlet of the ammonia scrubber.
5. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 1 reacted for SCR, its feature
It is：The gas outlet of the ammoniacal liquor vaporization chamber (9) is connected by ammonia conveyance conduit with ammonia nozzle (10), ammonia nozzle (10)
It is arranged in flue (13), ammonia conveyance conduit is provided with gas pump.
6. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 2 reacted for SCR, its feature
It is：Described liter of film device (11) includes housing (21), several layers of liquid bath (18) and conduction oil heat exchanger tube (22), liquid bath (18) and leads
Deep fat heat exchanger tube (22) is arranged in housing (21), and liquid bath (18) is vertically arranged at intervals up and down, every layer of liquid bath (18)
Several conduction oil heat exchanger tubes (22) are provided with, the top of housing (21) is provided with gas outlet (19), and the bottom of housing (21) is provided with out
Liquid mouthful (20), the side of housing (21) is provided with conduction oil oil inlet (23) and conduction oil oil-out (24), conduction oil oil inlet
(23) connected respectively with the conduction oil heat exchanger tube (22) on several layers of liquid bath (18) with conduction oil oil-out (24), ammonium bicarbonate breaks down
Rise in room (2) the conduction oil oil-out (23) of film device by heat-conducting oil pipes with and the interior liter film device of ammoniacal liquor vaporization chamber (9) lead
Deep fat oil inlet (24) is connected, and the conduction oil oil-out (23) that film device is risen in ammoniacal liquor vaporization chamber (9) passes through heat-conducting oil pipes and carbon
Conduction oil oil inlet (24) connection of film device is risen in sour hydrogen ammonium decomposition chamber (2).
7. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 6 reacted for SCR, its feature
It is：The outer surface of the conduction oil heat exchanger tube (22) is microflute or set net is set in the outer surface of its conduction oil heat exchanger tube.
8. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 6 reacted for SCR, its feature
It is：The gas outlet (19) of liter film device in the ammoniacal liquor vaporization chamber (9) is connected with flue (13), its liquid outlet (20)
Connected with the inlet of cooler (7).
9. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 6 reacted for SCR, its feature
It is：The gas outlet (19) of liter film device in the ammonium bicarbonate breaks down room (2) is connected with ammonia scrubber (5), and it goes out liquid
Mouth (20) is connected with the inlet of ammonium bicarbonate solubility room (1).
10. the ammonium bicarbonate solution pyrolysis rectification and purification ammonia system according to claim 1 reacted for SCR, it is special
Levy and be：Also include control unit (17), described control unit (17) gas outlet respectively with ammonium bicarbonate breaks down room (2) and ammonia
Pump, the cooling water pump of cooler, the dilute ammonia solution feed liquor of cooler (7) on the air inlet connecting line of aspiration device (5)
Mouth and the pump on the liquid outlet connecting line of ammoniacal liquor vaporization chamber (9), the inlet of ammoniacal liquor vaporization chamber (9) and ammonia scrubber (5)
Liquid outlet connecting line on pump, the gas outlet of ammoniacal liquor vaporization chamber (9) and pump and SCR on flue connecting line
Content detection device connection in reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101639.8U CN206613386U (en) | 2017-01-25 | 2017-01-25 | Rectification and purification ammonia system is pyrolyzed for the ammonium bicarbonate solution that SCR reacts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720101639.8U CN206613386U (en) | 2017-01-25 | 2017-01-25 | Rectification and purification ammonia system is pyrolyzed for the ammonium bicarbonate solution that SCR reacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206613386U true CN206613386U (en) | 2017-11-07 |
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|---|---|---|---|
| CN201720101639.8U Active CN206613386U (en) | 2017-01-25 | 2017-01-25 | Rectification and purification ammonia system is pyrolyzed for the ammonium bicarbonate solution that SCR reacts |
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| CN (1) | CN206613386U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582287A (en) * | 2017-01-25 | 2017-04-26 | 中国海洋大学 | Pyrolyzing, rectifying, purifying ammonia-producing system of ammonium hydrogen carbonate solution for SCR reaction |
| CN113797752A (en) * | 2021-10-29 | 2021-12-17 | 宜兴市苏哈电力设备有限公司 | A high-efficient dry process SOx/NOx control system for flue gas is handled |
| CN114146549A (en) * | 2021-11-29 | 2022-03-08 | 中国科学院过程工程研究所 | System device and method for desulfurization, denitrification and decarburization of flue gas by ammonia process |
-
2017
- 2017-01-25 CN CN201720101639.8U patent/CN206613386U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582287A (en) * | 2017-01-25 | 2017-04-26 | 中国海洋大学 | Pyrolyzing, rectifying, purifying ammonia-producing system of ammonium hydrogen carbonate solution for SCR reaction |
| CN106582287B (en) * | 2017-01-25 | 2022-11-08 | 中国海洋大学 | A ammonium bicarbonate solution pyrolysis rectification purification system of making ammonia for SCR reaction |
| CN113797752A (en) * | 2021-10-29 | 2021-12-17 | 宜兴市苏哈电力设备有限公司 | A high-efficient dry process SOx/NOx control system for flue gas is handled |
| CN114146549A (en) * | 2021-11-29 | 2022-03-08 | 中国科学院过程工程研究所 | System device and method for desulfurization, denitrification and decarburization of flue gas by ammonia process |
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