CN109323274A - It is a kind of can denitration heat accumulating type incineration device - Google Patents
It is a kind of can denitration heat accumulating type incineration device Download PDFInfo
- Publication number
- CN109323274A CN109323274A CN201811368129.2A CN201811368129A CN109323274A CN 109323274 A CN109323274 A CN 109323274A CN 201811368129 A CN201811368129 A CN 201811368129A CN 109323274 A CN109323274 A CN 109323274A
- Authority
- CN
- China
- Prior art keywords
- reducing agent
- gas
- combustion chamber
- heat accumulating
- accumulating type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000003638 reducing agent Substances 0.000 claims abstract description 66
- 238000002347 injection Methods 0.000 claims abstract description 58
- 239000007924 injection Substances 0.000 claims abstract description 58
- 238000002485 combustion reaction Methods 0.000 claims abstract description 35
- 230000001172 regenerating Effects 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 8
- 229910002089 NOx Inorganic materials 0.000 claims abstract 5
- 230000000875 corresponding Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000149 penetrating Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims 2
- 239000007921 spray Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 40
- 238000000746 purification Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 abstract description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitrogen oxide Substances 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- 229910052813 nitrogen oxide Inorganic materials 0.000 description 30
- 239000003795 chemical substances by application Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nMzAwcHgnIGhlaWdodD0nMzAwcHgnIHZpZXdCb3g9JzAgMCAzMDAgMzAwJz4KPCEtLSBFTkQgT0YgSEVBREVSIC0tPgo8cmVjdCBzdHlsZT0nb3BhY2l0eToxLjA7ZmlsbDojRkZGRkZGO3N0cm9rZTpub25lJyB3aWR0aD0nMzAwLjAnIGhlaWdodD0nMzAwLjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8dGV4dCB4PScxMzguMCcgeT0nMTcwLjAnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6NDBweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiM0Mjg0RjQnID5OPC90ZXh0Pgo8dGV4dCB4PScxNjUuNicgeT0nMTcwLjAnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6NDBweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiM0Mjg0RjQnID5IPC90ZXh0Pgo8dGV4dCB4PScxOTMuMicgeT0nMTg2LjAnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MjZweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiM0Mjg0RjQnID4zPC90ZXh0Pgo8L3N2Zz4K data:image/svg+xml;base64,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 N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group 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- 239000003960 organic solvent Substances 0.000 description 2
- 206010038683 Respiratory disease Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 231100000570 acute poisoning Toxicity 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
Abstract
The present invention relates to organic exhaust gas burning facility technical fields, more particularly to it is a kind of can denitration heat accumulating type incineration device, including combustion chamber, multiple regenerative chambers, multiple gas storehouses, multiple air intake branches, gas feed poppet, admission line, multiple exhaust branch pipes, gas discharge outlet poppet, exhaust pipe, online NOx concentration monitor, reducing agent storage device, reducing agent injection equipment and metering pump, the upper end of the upper end of multiple regenerative chambers and combustion chamber, multiple gas storehouses is connected with the lower end of each regenerative chamber respectively.The present invention overcomes the deficiencies in the prior art, and design is rationally, compact-sized, while pyrolytic organic exhaust gas, the NOx composition in removing exhaust gas can be efficiently gone, so that organic waste-gas purification is more thorough.
Description
Technical field
The present invention relates to organic exhaust gas burning facility technical fields, and in particular to it is a kind of can denitration heat accumulating type incineration dress
It sets.
Background technique
Organic solvent is widely used in coating as important raw materials for production, prints, packaging, electronics, the row such as pharmacy
Industry, usage amount are with the continuous development of industry also improving rapidly.And organic solvent can be volatilized constantly in use
Come, forms organic exhaust gas and be emitted into atmosphere, and ultimately form photochemical fog.Most substances in organic exhaust gas are danger
Evil human health, poisoning symptom show as respiratory disease more, can lead to acute poisoning very under high-concentration organic waste gas effect
To death.
Current most thorough processing method is incineration method, and wherein heat accumulating type incineration device is again with its high removal efficiency and low fortune
Row cost becomes preferred organic waste gas treatment method, utilizes the principle of high-temperature oxydation, the volatility in organic exhaust gas is had
Machine compound (VOCs) combustion decomposition at a high temperature of 760 DEG C or more then is emitted into atmosphere, and tail gas is taken at CO2 and H2O
The heat of band is recycled by accumulation of heat material, for the preheating in next stage, to reduce the fuel materials of system.
However having organic compounds containing nitrogen ingredient in some industry organic exhaust gas, these compounds are in pyrolysis process
Nitrogen oxides (NOx) can be generated, being emitted into atmosphere without improvement can participate in forming photochemical fog and acid rain, directly endanger people
Body health.Current RTO cannot be effectively removed NOx.
Patent disclosure application number 200310124517.3 discloses a kind of selectivity in the way of regenerative heat recuperation and urges
Agent and without catalyst reduction device.But the device can not adjust the dosage of reducing agent according to the NOx concentration in exhaust gas in real time,
Therefore it is easy to cause reducing agent dosage insufficient, NOx removal efficiency is relatively low, or leads to that reducing agent dosage is excessive and generates as ammonia is escaped
The secondary pollutions such as ease.In addition, the device does not consider the abundant of reducing agent residence time in the combustion chamber and reducing agent and exhaust gas
Mixing, therefore the removal efficiency of practical NOx is relatively low.For this purpose, it is proposed that it is a kind of can denitration heat accumulating type incineration device.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides it is a kind of can denitration heat accumulating type incineration device, overcome existing
The deficiency of technology, design is rationally, compact-sized, while pyrolytic organic exhaust gas, can efficiently go NOx in removing exhaust gas at
Point, so that organic waste-gas purification is more thorough.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
It is a kind of can denitration heat accumulating type incineration device, including combustion chamber, multiple regenerative chambers, multiple gas storehouses, multiple air inlet branch
Pipe, gas feed poppet, admission line, multiple exhaust branch pipes, gas discharge outlet poppet, exhaust pipe, online NOx concentration
Monitor, reducing agent storage device, reducing agent injection equipment and metering pump, it is characterised in that: the upper end of multiple regenerative chambers
It is connected respectively with the lower end of each regenerative chamber with the upper end of combustion chamber, multiple gas storehouses, multiple air intake branches
It is respectively arranged in the lower end of each gas storehouse, and multiple air intake branches are connected by admission line, are pacified on the air intake branch
Equipped with gas feed poppet, multiple exhaust branch pipes are separately mounted to the lower end of each gas storehouse, and multiple exhaust branch pipes pass through exhaust
Pipeline is connected, and is equipped with gas discharge outlet poppet on the exhaust branch pipe, the online NOx concentration monitor be mounted on into
In feed channel, the reducing agent storage device is connected by metering pump with transmission pipeline with reducing agent injection equipment, and reducing agent
The output end of injection equipment is connected with combustion chamber.
Preferably, spoiler is installed on vertical direction in the middle part of the inner cavity of the combustion chamber, gas is made to flow through combustion chamber
When be sufficiently mixed and contact with the reducing agent of penetrating.
Preferably, NOx concentration monitor is installed on the exhaust pipe, by monitor NOx minimum concentration of emission come
Adjust the amount of injection of reducing agent, it is ensured that under the highest removal efficiency of NOx, the dosage of reducing agent is minimum, escapes so as to avoid ammonia
Secondary pollution caused by ease.
Preferably, the output end of the reducing agent injection equipment is connected with multiple injection branch pipes, and multiple injection branch pipes
The other end extends into the inner cavity of combustion chamber and is located at the surface of each regenerative chamber, is equipped with injection valve on the injection branch pipe
Door, it is ensured that reducing agent keeps the longer residence time in exhaust gas flow direction.
Preferably, the opening time of the air intake valve below the corresponding regenerative chamber of the opening time of the injection valve
Unanimously, and injection valve and air intake valve keep identical switching cycle, and cooperation reducing agent injection equipment extends the stagnant of reducing agent
Stay the time.
Preferably, main air blower is installed on the admission line, quickly send nitrogenous organic exhaust gas through main air blower collection
Enter in combustion chamber.
Preferably, it is provided with compressed air inflow entrance on the reducing agent injection equipment, the compressed air being passed through will restore
Agent is atomized and is blown into combustion chamber, can keep coming into full contact with for reducing agent and exhaust gas.
(3) beneficial effect
The embodiment of the invention provides it is a kind of can denitration heat accumulating type incineration device.Have it is following the utility model has the advantages that
1, by combustion chamber, multiple regenerative chambers, multiple gas storehouses, multiple gas discharge outlet poppets, exhaust pipe, online
The composite structure of NOx concentration monitor, reducing agent injection equipment and metering pump can effectively purify the indoor organic exhaust gas of burning,
Minimum concentration of emission by monitoring NOx adjusts the amount of injection of reducing agent using metering pump, it is ensured that removes effect in the highest of NOx
Under rate, the dosage of reducing agent is minimum, so as to avoid secondary pollution caused by the escaping of ammonia.
2, pass through combustion chamber, multiple regenerative chambers, multiple gas storehouses, multiple gas feed poppets, admission line and main air blower
Composite structure, while gas feed poppet is opened, injection valve is synchronous to be opened, the opening time of injection valve and its
The opening time of air intake valve below corresponding regenerative chamber is consistent, and keeps identical switching cycle with air intake valve, thus
It can ensure that reducing agent keeps the longer residence time in exhaust gas flow direction, while effective cleaning organic waste gas, efficiently
Remove the NOx in removing exhaust gas.
3, by the compressed air inflow entrance being arranged on reducing agent injection equipment, compressed air can be passed through by reducing agent mist
Change, realize uniformly sprinkling, guarantees that gas is sufficiently mixed when flowing through combustion chamber with the reducing agent of penetrating and contact, improve the effect of denitration
Rate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of embodiment flow diagram of the invention.
In figure: combustion chamber 1, the first regenerative chamber 2a, the second regenerative chamber 2b, the first gas storehouse 3a, the second gas storehouse 3b, the first air inlet
Valve 4a, the second air intake valve 4b, first exhaust valve 5a, second exhaust valve 5b, main air blower 6, spoiler 7, reducing agent are deposited
Storage device 8, metering pump 9, reducing agent injection equipment 10, the first injection valve 11a, second injection valve 11b, NOx on-line monitoring
Instrument 12, the first reductant nozzle 13a, the second reductant nozzle 13b, admission line 14, exhaust pipe 15.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Referring to attached drawing, it is a kind of can denitration heat accumulating type incineration device, which can be warming up to 850 DEG C or more, including burning
It is room 1, multiple regenerative chamber 2a and 2b, multiple gas storehouse 3a and 3b, multiple gas feed poppet 4a and 4b, admission line 14, multiple
Gas discharge outlet poppet 5a and 5b, exhaust pipe 15, online NOx concentration monitor 12, reducing agent storage device 8, reducing agent
Injection equipment 10 and metering pump 9；
The combustion chamber 1 is equipped with burner in inner cavity；Multiple regenerative chamber 2a and 2b, the upper end are connected to combustion chamber 1；
Multiple gas storehouse 3a and 3b, the upper end are connected to the lower end of regenerative chamber 2a and 2b；Multiple air intake valve 4a and 4b, one end by into
Gas branch pipe is connect with gas storehouse, and the other end is connect with admission line 14；Multiple drain tap 5a and 5b, one end pass through exhaust branch pipe
It is connect with gas storehouse, the other end is connect with exhaust pipe 15.
Reductant nozzle 13a and 13b, nozzle 13a and 13b and reducing agent injection equipment are equipped in the two sides of combustion chamber 1
10, by injection branch pipe connection, are equipped with injection valve 11a and 11b, above-mentioned reducing agent injection equipment 10 on the injection branch pipe
It is connect by transmission pipeline with reducing agent storage device 8, metering pump 9, above-mentioned 9 basis of metering pump is installed on transmission pipeline
The NOx concentration that NOx on-line computing model 12 monitors adjusts the conveying capacity of reducing agent.
Spoiler 7 is installed on vertical direction in the middle part of the inner cavity of the combustion chamber 1, make gas when flowing through combustion chamber 1 with
The reducing agent of penetrating is sufficiently mixed contact；NOx concentration monitor 12 is installed on the exhaust pipe 15, passes through monitoring NOx's
Minimum concentration of emission adjusts the amount of injection of reducing agent, it is ensured that and under the highest removal efficiency of NOx, the dosage of reducing agent is minimum,
So as to avoid secondary pollution caused by the escaping of ammonia；The output end of the reducing agent injection equipment 10 is connected with multiple injection branch
Pipe, and the other end of multiple injection branch pipes extends into the inner cavity of combustion chamber 1 and is located at the surface of each regenerative chamber 2a and 2b,
Injection valve 11a and 11b are installed, it is ensured that reducing agent keeps longer delay in exhaust gas flow direction on the injection branch pipe
Time；The injection valve 11a and the air intake valve 4a that the opening time of 11b is corresponding are consistent with the opening time of 4b, and
Injection valve 11a and 11b and air intake valve 4a and 4b keep identical switching cycle, and cooperation reducing agent injection equipment 10 extends also
The residence time of former agent；Main air blower 6 is installed on the admission line 14, quickly receives nitrogenous organic exhaust gas through main air blower 6
Collection is sent into combustion chamber 1；It is provided with compressed air inflow entrance on the reducing agent injection equipment 10, the compressed air being passed through will be also
Former agent is atomized and is blown into combustion chamber 1, can keep coming into full contact with for reducing agent and exhaust gas.
As shown in Figure 1, it is a kind of can denitration heat accumulating type incineration device working principle it is as follows:
It is the first stage first, nitrogenous organic exhaust gas is collected through main air blower 6 and flows into admission line 14, the first air intake valve 4a
It is opened with second exhaust valve 5b, the second air intake valve 4b and first exhaust valve 5a are closed, and exhaust gas is made to pass through the first gas storehouse 3a
And first flowing in combustion chamber 1 after regenerative chamber 2a, the first injection valve 11a is opened at this time, and the second injection valve 11b is closed, reduction
Agent is injected into combustion chamber 1, exhaust gas from the first reductant nozzle 13a being located at right above the first regenerative chamber 2a through injection equipment 10
It is sufficiently mixed under the action of spoiler 7 with reducing agent, is burnt and purified with 850-1200 degree in combustion chamber 1, after above-mentioned purification
High-temperature gas by flowing into exhaust pipe 15 after the second regenerative chamber 2b and the second gas storehouse 3b, arrange to outside.
It is followed by second stage, the second air intake valve 4b and first exhaust valve 5a are opened, the first air intake valve 4a and the
Two drain tap 5b are closed, and exhaust gas is made to pass through flowing in combustion chamber 1 after the second gas storehouse 3b and the second regenerative chamber 2b, at this time the second injection
Valve 11b is opened, and the first injection valve 11a is closed, and reducing agent is through injection equipment 10 from right above the second regenerative chamber 2b
Second reductant nozzle 13b is injected into combustion chamber 1, exhaust gas and reducing agent and is sufficiently mixed under the action of spoiler 7, is burning
It is burnt and is purified with 850-1200 degree in room 1, after above-mentioned purified high-temperature gas passes through the first regenerative chamber 2a and the first gas storehouse 3a
Exhaust pipe 15 is flowed into, is arranged to outside.
Above-mentioned first stage and second stage merge composition a cycle, and cycle alternation carries out.In whole mistakes
Cheng Zhong, the NOx on-line computing model being mounted on exhaust pipe 15 carry out real-time monitoring to the NOx concentration in purified gas.
The amount of injection of reducing agent is gradually increased to NOx concentration when no longer reducing and maintains the amount of injection, is at this time the minimum injection of reducing agent
Amount.When NOx concentration increases, accordingly increase reducing agent the amount of injection by metering pump 9 again no longer reduces to NOx concentration；When NOx is dense
When degree reduces, reducing agent the amount of injection is accordingly reduced by metering pump 9 and has just been increased to NOx concentration.
It is provided with compressed air inflow entrance on reducing agent injection equipment 10 of the invention, the compressed air being passed through is by reducing agent
It is atomized and is blown into combustion chamber 1, coming into full contact with for reducing agent and exhaust gas can be kept.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. one kind can denitration heat accumulating type incineration device, including combustion chamber, multiple regenerative chambers, multiple gas storehouses, multiple air intake branches,
Gas feed poppet, admission line, multiple exhaust branch pipes, gas discharge outlet poppet, exhaust pipe, online NOx concentration prison
Survey instrument, reducing agent storage device, reducing agent injection equipment and metering pump, it is characterised in that: the upper end of multiple regenerative chambers with
The upper end of combustion chamber, multiple gas storehouses is connected with the lower end of each regenerative chamber respectively, multiple air intake branches point
It is not installed on the lower end of each gas storehouse, and multiple air intake branches are connected by admission line, are installed on the air intake branch
There is gas feed poppet, multiple exhaust branch pipes are separately mounted to the lower end of each gas storehouse, and multiple exhaust branch pipes pass through exhaust pipe
Road is connected, and gas discharge outlet poppet is equipped on the exhaust branch pipe, and the online NOx concentration monitor is mounted on air inlet
On pipeline, the reducing agent storage device is connected by metering pump with transmission pipeline with reducing agent injection equipment, and reducing agent sprays
The output end for penetrating mechanism is connected with combustion chamber.
2. one kind as described in claim 1 can denitration heat accumulating type incineration device, it is characterised in that: the inner cavity of the combustion chamber
Spoiler is installed on the vertical direction of middle part.
3. one kind as described in claim 1 can denitration heat accumulating type incineration device, it is characterised in that: pacify on the exhaust pipe
Equipped with NOx concentration monitor.
4. one kind as described in claim 1 can denitration heat accumulating type incineration device, it is characterised in that: the reducing agent spraying machine
The output end of structure is connected with multiple injection branch pipes, and the other end of multiple injection branch pipes extends into inner cavity and the difference position of combustion chamber
In being equipped with injection valve on the surface of each regenerative chamber, the injection branch pipe.
5. one kind as claimed in claim 4 can denitration heat accumulating type incineration device, it is characterised in that: the injection valve is beaten
The opening time of air intake valve below the corresponding regenerative chamber of ETAD expected time of arrival and departure is consistent, and injection valve keeps phase with air intake valve
Same switching cycle.
6. one kind as described in claim 1 can denitration heat accumulating type incineration device, it is characterised in that: pacify on the admission line
Equipped with main air blower.
7. one kind as described in claim 1 can denitration heat accumulating type incineration device, it is characterised in that: the reducing agent spraying machine
Compressed air inflow entrance is provided on structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811368129.2A CN109323274A (en) | 2018-11-16 | 2018-11-16 | It is a kind of can denitration heat accumulating type incineration device |
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| CN201811368129.2A CN109323274A (en) | 2018-11-16 | 2018-11-16 | It is a kind of can denitration heat accumulating type incineration device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252036A (en) * | 2019-06-27 | 2019-09-20 | 沈阳铝镁科技有限公司 | Baking flue gas defluorinate, dedusting, depitching cigarette, desulphurization and denitration integral treatment method and system |
| CN111189056A (en) * | 2020-01-16 | 2020-05-22 | 中国科学院过程工程研究所 | Handle heat accumulation burner that contains chlorine volatile organic compounds waste gas |
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2018
- 2018-11-16 CN CN201811368129.2A patent/CN109323274A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252036A (en) * | 2019-06-27 | 2019-09-20 | 沈阳铝镁科技有限公司 | Baking flue gas defluorinate, dedusting, depitching cigarette, desulphurization and denitration integral treatment method and system |
| CN111189056A (en) * | 2020-01-16 | 2020-05-22 | 中国科学院过程工程研究所 | Handle heat accumulation burner that contains chlorine volatile organic compounds waste gas |
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