CN206444453U - A kind of full load denitrating system - Google Patents
A kind of full load denitrating system Download PDFInfo
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- CN206444453U CN206444453U CN201720120203.3U CN201720120203U CN206444453U CN 206444453 U CN206444453 U CN 206444453U CN 201720120203 U CN201720120203 U CN 201720120203U CN 206444453 U CN206444453 U CN 206444453U
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- air
- introduced machines
- gas baffles
- preheaters
- denitrating
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Abstract
A kind of full load denitrating system, the system includes #1 stoves denitrating system and #2 stove denitrating systems, and the #1 stoves denitrating system includes #1 denitration entrances electrically operated gate, the out of stock catalyst layers of #1, #1 gas baffles, #1 air preheaters, #1 electric cleaners, #1 air-introduced machines two and the #1 desulfurization islands being sequentially connected in series；The #2 stoves denitrating system includes #2 denitration entrances electrically operated gate, the out of stock catalyst layers of #2, #2 gas baffles, #2 air preheaters, #2 electric cleaners, #2 air-introduced machines two and the #2 desulfurization islands being sequentially connected in series；It is provided with the port of export of the #1 denitrations entrance electrically operated gate with #2 denitration entrance electrically operated gates on a flue that #1 stoves denitrating system is connected with #2 stove denitrating systems, the flue and has been sequentially connected in series insertion plate door I, regulation door and insertion plate door II.The simple system, environmental protection and energy saving, technological transformation cost is low, reliable, maintenance is few, maintenance is convenient, generalization is extremely strong.
Description
Technical field
The utility model is related to a kind of system, and in particular to a kind of full load denitrating system.
Background technology
As country is gradually increased to the management of atmosphere pollution, thermal power generation corporations step up fume treatment level
With require.According to current generation technology level, full load desulfurization and dedusting can be achieved in flue gas, but because of denitration device self-characteristic
（The cigarette temperature that put into operation to denitration requires stricter）Full load denitration can not be realized.Ignition of the boiler initial stage is relatively low due to thermic load, according to
Practical experience, it is only 255 DEG C or so to start unit boiler out of stock inlet flue gas temperature when grid-connected, and denitrating system is because cigarette temperature is less than 320
DEG C it can not put into operation.Out of stock inlet flue gas temperature is low, can not also be put into operation even if denitration after grid-connected a few hours.National environmental protection department is to unit
Examination time point is set grid-connection.Therefore unit will receive environmentally friendly examination in a few hours from grid-connected put into operation to denitration.
The content of the invention
The utility model provides a kind of full load denitration technology, and its simple system, environmental protection and energy saving, technological transformation cost are low, operation
Reliably, maintenance is few, maintenance is convenient, generalization is extremely strong.
The utility model is realized by following technical scheme：
A kind of full load denitrating system, the system includes #1 stoves denitrating system and #2 stove denitrating systems, the #1 stoves denitration
System includes the #1 denitration entrances electrically operated gate being sequentially connected in series, the out of stock catalyst layers of #1, #1 gas baffles, #1 air preheaters, #1
Electric cleaner, #1 air-introduced machines two and #1 desulfurization islands；The #2 denitration entrances that the #2 stoves denitrating system includes being sequentially connected in series are electronic
Door, the out of stock catalyst layers of #2, #2 gas baffles, #2 air preheaters, #2 electric cleaners, #2 air-introduced machines two and #2 desulfurization islands；
The port of export of the #1 denitrations entrance electrically operated gate and #2 denitration entrance electrically operated gates is provided with one by #1 stoves denitrating system and #2 stoves
Insertion plate door I, regulation door and insertion plate door II have been sequentially connected in series on the flue that denitrating system is connected, the flue.
Preferably, the #1 gas baffles include #11 gas baffles and #12 gas baffles, the #1 air preheaters
Including #11 air preheaters and #12 air preheaters, the #1 electric cleaners include #11 electric cleaners and #12 electric cleaners,
The #1 air-introduced machines include #11 air-introduced machines and #12 air-introduced machines；The #11 gas baffles, #11 air preheaters, #11 electric precipitations
Device, #11 air-introduced machines are mutually concatenated successively, the #12 gas baffles, #12 air preheaters, #12 electric cleaners, #12 air-introduced machines according to
Secondary phase concatenation；The arrival end of the #11 gas baffles and #12 gas baffles is connected with the out of stock catalyst layer ports of export of #1 respectively,
Arrival end of the port of export of the #11 air-introduced machines and #12 air-introduced machines respectively with #1 desulfurization islands is connected.
Preferably, the #2 gas baffles include #21 gas baffles and #22 gas baffles, the #2 air preheaters
Including #21 air preheaters and #22 air preheaters, the #2 electric cleaners include #21 electric cleaners and #22 electric cleaners,
The #2 air-introduced machines include #21 air-introduced machines and #22 air-introduced machines；The #21 gas baffles, #21 air preheaters, #21 electric precipitations
Device, #21 air-introduced machines are mutually concatenated successively, the #22 gas baffles, #22 air preheaters, #22 electric cleaners, #22 air-introduced machines according to
Secondary phase concatenation；The arrival end of the #21 gas baffles and #22 gas baffles is connected with the out of stock catalyst layer ports of export of #2 respectively,
Arrival end of the port of export of the #21 air-introduced machines and #22 air-introduced machines respectively with #2 desulfurization islands is connected.
The utility model beneficial effect：
1. reduce atmosphere pollution NOxDischarge capacity.
By taking 1000MW units as an example.Unit puts into operation averagely each duration about 4.75h, NO from grid-connected to denitrationxIt is average every
Hour concentration of emission is 210mg/m3.If from the grid-connected denitration that puts into operation, each unit starting can reduce about 4.75h discharge
Amount.Therefore, full load, which throws denitration, can reduce air NOxDischarge amount of pollution.
2. certain economic benefit can be produced.
By taking 1000MW units as an example.Unit is put into operation averagely each duration about 4.75h from grid-connected to denitration, and unit is averagely born
Lotus is about 450MW, and environmental administration is 0.2 point/kWh to the environmentally friendly electricity price of denitration.Therefore, it can draw according to the following formula averagely each
The machine of opening can retrieve 4275 yuan of economic losses for company.
Unit load * duration * denitrations electricity price=450*1000*4.75*0.2*0.01=4275 yuan.
Brief description of the drawings
Fig. 1 is the utility model partial enlarged drawing；
Fig. 2 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by specific embodiment.
As shown in Figure 1 and Figure 2, a kind of full load denitrating system, the system includes #1 stoves denitrating system and #2 stove denitrations system
System, #1 stoves denitrating system includes the #1 denitration entrances electrically operated gate 101 being sequentially connected in series, the out of stock catalyst layers 102 of #1, #1 flue gases gear
Plate, #1 air preheaters, #1 electric cleaners, #1 air-introduced machines two and #1 desulfurization islands 111.
#1 gas baffles include #11 gas baffles 103 and #12 gas baffles 104, and #1 air preheaters include #11 air
Preheater 105 and #12 air preheaters 106, #1 electric cleaners include #11 electric cleaners 107 and #12 electric cleaners 108, and #1 draws
Blower fan includes #11 air-introduced machines 109 and #12 air-introduced machines 110.
#11 gas baffles 103, #11 air preheaters 105, #11 electric cleaners 107, #11 air-introduced machines 109 are mutually gone here and there successively
Connect, #12 gas baffles 104, #12 air preheaters 106, #12 electric cleaners 108, #12 air-introduced machines 110 are mutually concatenated successively.
The arrival end of #11 gas baffles 103 and #12 gas baffles 104 respectively with the port of export phase of the out of stock catalyst layers of #1 102
Even, arrival end of the port of export of #11 air-introduced machines 109 and #12 air-introduced machines 110 respectively with #1 desulfurization islands 111 is connected, #1 desulfurization islands
111 port of export is connected with chimney 300.
#2 stoves denitrating system includes the #2 denitration entrances electrically operated gate 201 being sequentially connected in series, the out of stock catalyst layers 202 of #2, #2 cigarettes
Gas baffle plate, #2 air preheaters, #2 electric cleaners, #2 air-introduced machines two and #2 desulfurization islands 211.
#2 gas baffles include #21 gas baffles 203 and #22 gas baffles 204, and #2 air preheaters include #21 air
Preheater 205 and #22 air preheaters 206, #2 electric cleaners include #21 electric cleaners 207 and #22 electric cleaners 208, and #2 draws
Blower fan includes #21 air-introduced machines 209 and #22 air-introduced machines 210.
#21 gas baffles 203, #21 air preheaters 205, #21 electric cleaners 207, #21 air-introduced machines 209 are mutually gone here and there successively
Connect, #22 gas baffles 204, #22 air preheaters 206, #22 electric cleaners 208, #22 air-introduced machines 210 are mutually concatenated successively.
The arrival end of #21 gas baffles 203 and #22 gas baffles 204 respectively with the port of export phase of the out of stock catalyst layers of #2 202
Even, arrival end of the port of export of #21 air-introduced machines 209 and #22 air-introduced machines 210 respectively with #2 desulfurization islands 211 is connected, #2 desulfurization islands
211 port of export is connected with chimney 300.
The port of export of #1 denitration entrances electrically operated gate 101 and #2 denitration entrances electrically operated gate 201 is provided with one to take off #1 stoves
Insertion plate door I 400, regulation door have been sequentially connected in series on the flue 1000 that nitre system is connected with #2 stove denitrating systems, the flue 1000
500 and insertion plate door II 600.
Embodiment：
By taking #2 unit startings as an example.When #2 unit startings, #11 air-introduced machines 109, #12 in reduction #1 stove denitrating systems
Air-introduced machine 110 is exerted oneself, and #1 stove furnace pressure negative senses are diminished.#21 air-introduced machines 209, the #22 in #2 stove denitrating systems are improved simultaneously
Air-introduced machine 210 is exerted oneself, and the porch negative pressure negative sense of #2 denitration entrances electrically operated gate 201 is become big, to increase the pressure at two ends of flue 1000
Deviation.Meanwhile, adjusted using the #2 pots of inlet flue gas baffle flow restrictions of denitration entrance electrically operated gate 201, adjustment combustion chamber draft is in -100 Pa
~-50Pa.If by adjust #1 air-introduced machines exert oneself can not meet #2 pots of denitration entrance 201 inlet flue gas temperatures of electrically operated gate when, can fit
When turning down #11 gas baffles 103 and #12 gas baffles 104, #1 kiln gas amount is shifted to #2 stoves.Open flue gas insertion plate door I
400 and insertion plate door II 600, using the porch cigarette temperature of the regulation #2 denitration entrances of door 500 electrically operated gate 201 is adjusted, so as to realize unit
The denitrating system that can be put into operation before grid-connected is run.Smooth sequential is answered in whole process operation.Equally, it can also pass through during #1 unit startings
Identical mode realizes flue gas interconnection, hearth vacuum control etc..
Although the utility model, those skilled in the art have shown and described referring particularly to its preferred embodiment
It is appreciated that the various changes that can be made in form and details are new without departing from this practicality described in appended claims
The scope of type.It is described in detail above in association with specific embodiment of the utility model, but is not to limit of the present utility model
System.It is every according to technical spirit of the present utility model to any simple modification made for any of the above embodiments, still fall within this practicality
The scope of new technique scheme.
Claims (3)
1. a kind of full load denitrating system, the system includes #1 stoves denitrating system and #2 stove denitrating systems, the #1 stoves denitration system
System includes the #1 denitration entrances electrically operated gate being sequentially connected in series, the out of stock catalyst layers of #1, #1 gas baffles, #1 air preheaters, #1 electricity
Deduster, #1 air-introduced machines two and #1 desulfurization islands；
The #2 stoves denitrating system includes the #2 denitration entrances electrically operated gate being sequentially connected in series, the out of stock catalyst layers of #2, #2 flue gases gear
Plate, #2 air preheaters, #2 electric cleaners, #2 air-introduced machines two and #2 desulfurization islands；
It is characterized in that：
One is provided with by #1 stove denitrating systems in the port of export of the #1 denitrations entrance electrically operated gate and #2 denitration entrance electrically operated gates
Insertion plate door I, regulation door and insertion plate door II have been sequentially connected in series on the flue being connected with #2 stove denitrating systems, the flue.
2. a kind of full load denitrating system according to claim 1, it is characterised in that：The #1 gas baffles include #11
Gas baffle and #12 gas baffles, the #1 air preheaters include #11 air preheaters and #12 air preheaters, the #1
Electric cleaner includes #11 electric cleaners and #12 electric cleaners, and the #1 air-introduced machines include #11 air-introduced machines and #12 air-introduced machines；
The #11 gas baffles, #11 air preheaters, #11 electric cleaners, #11 air-introduced machines are mutually concatenated successively, the #12 flue gases
Baffle plate, #12 air preheaters, #12 electric cleaners, #12 air-introduced machines are mutually concatenated successively；
The arrival end of the #11 gas baffles and #12 gas baffles is connected with the out of stock catalyst layer ports of export of #1 respectively, the #
Arrival end of the port of export of 11 air-introduced machines and #12 air-introduced machines respectively with #1 desulfurization islands is connected.
3. a kind of full load denitrating system according to claim 1 or 2, it is characterised in that：The #2 gas baffles include #
21 gas baffles and #22 gas baffles, the #2 air preheaters include #21 air preheaters and #22 air preheaters, institute
Stating #2 electric cleaners includes #21 electric cleaners and #22 electric cleaners, and the #2 air-introduced machines include #21 air-introduced machines and #22 air inducing
Machine；
The #21 gas baffles, #21 air preheaters, #21 electric cleaners, #21 air-introduced machines are mutually concatenated successively, the #22 flue gases
Baffle plate, #22 air preheaters, #22 electric cleaners, #22 air-introduced machines are mutually concatenated successively；
The arrival end of the #21 gas baffles and #22 gas baffles is connected with the out of stock catalyst layer ports of export of #2 respectively, the #
Arrival end of the port of export of 21 air-introduced machines and #22 air-introduced machines respectively with #2 desulfurization islands is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120203.3U CN206444453U (en) | 2017-02-09 | 2017-02-09 | A kind of full load denitrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720120203.3U CN206444453U (en) | 2017-02-09 | 2017-02-09 | A kind of full load denitrating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206444453U true CN206444453U (en) | 2017-08-29 |
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ID=59665049
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720120203.3U Expired - Fee Related CN206444453U (en) | 2017-02-09 | 2017-02-09 | A kind of full load denitrating system |
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| Country | Link |
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| CN (1) | CN206444453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638803A (en) * | 2017-09-22 | 2018-01-30 | 华电电力科学研究院 | A kind of system and its operation method of twin furnace synthetic operation full load denitration |
-
2017
- 2017-02-09 CN CN201720120203.3U patent/CN206444453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638803A (en) * | 2017-09-22 | 2018-01-30 | 华电电力科学研究院 | A kind of system and its operation method of twin furnace synthetic operation full load denitration |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20180209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |