CN204247072U - A kind of device improving the glass furnace fume SCR denitration life-span - Google Patents
A kind of device improving the glass furnace fume SCR denitration life-span Download PDFInfo
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- CN204247072U CN204247072U CN201420646181.0U CN201420646181U CN204247072U CN 204247072 U CN204247072 U CN 204247072U CN 201420646181 U CN201420646181 U CN 201420646181U CN 204247072 U CN204247072 U CN 204247072U
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Abstract
Technical problem to be solved in the utility model is to provide a kind of device improving the glass furnace fume SCR denitration life-span, is mainly used in glass furnace fume middle and high concentration SO
3, NO
xcomprehensively remove, comprise glass furnace, waste heat boiler, quenching and tempering device, reducing agent adding equipment, denitration device, electric cleaner, the outlet of glass furnace, the import of denitration device are all connected with waste heat boiler, quenching and tempering device is connected with denitration device entrance, reducing agent adding equipment is connected with denitration device entrance, denitration device outlet is connected with electric cleaner entrance, and electric cleaner gaseous phase outlet is communicated with desulphurization plant.
Description
Technical field
The utility model relates to glass furnace fume SCR denitration field, is specifically related to a kind of method and the device that improve the glass furnace fume SCR denitration life-span.
Background technology
Existing glass furnace fume high concentration SO
3, NO
xeasily there is the situation of SCR catalyst surface blocking in special flue gas, SO in flue gas when carrying out SCR denitration, electric precipitation process
3easily corrosion and oxidation are caused to catalyst structure, reduce catalyst service life, increase the consumption of denitrification reducing agent.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of device improving the glass furnace fume SCR denitration life-span.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: a kind of device improving the glass furnace fume SCR denitration life-span, comprise glass furnace, waste heat boiler, quenching and tempering device, reducing agent adding equipment, denitration device, electric cleaner, the outlet of glass furnace, the import of denitration device are all connected with waste heat boiler, quenching and tempering device is connected with denitration device entrance, reducing agent adding equipment is connected with denitration device entrance, denitration device outlet is connected with electric cleaner entrance, and electric cleaner gaseous phase outlet is communicated with desulphurization plant.
As preferably, waste heat boiler has high temperature side and low temperature side, high temperature side comprises high temperature side A and high temperature side B, disconnect with dividing plate between high temperature side A and high temperature side B, high temperature side B is communicated with low temperature side, the outlet of glass furnace is connected with high temperature side A import, the import of denitration device exports with high temperature side A and is connected, and electric cleaner gaseous phase outlet is connected with high temperature side B import, and the outlet of low temperature side is connected with desulphurization plant entrance by kiln air-introduced machine.
As preferably, the solid-phase outlet of electric cleaner is connected with glass furnace by induction system, described induction system comprises blower fan, lock gas feed valve and injector, the solid-phase outlet of electric cleaner is connected with lock gas feed valve entrance, the outlet of lock gas feed valve is connected with injector, injector outlet is connected with glass furnace, and fan outlet is connected with the entrance of injector.
Beneficial effect:
A kind of device improving the glass furnace fume SCR denitration life-span that the utility model adopts technique scheme to provide, at glass furnace fume middle and high concentration SO
3, NO
xcomprehensively remove time, the life-span of SCR denitration can be improved; Glass furnace flue gas is out introduced into waste heat boiler, draw after flue-gas temperature is adjusted to 380 DEG C ~ 400 DEG C by waste heat boiler and enter denitration device, in this process, quenching and tempering device joins adjusting material in this high-temperature flue gas, by the SO in chemical absorbing and coalescence adsorbing and removing flue gas
3significantly can alleviate the dust bonding of catalyst surface, the service life of extending catalyst, reducing agent adding equipment amino reductive join modified after flue gas in; Flue gas after denitration carries out electric cleaner and carries out dust catching process, the dust of electric cleaner trapping then turns back to kiln entrance by induction system, continue to recycle, flue gas after electric precipitation is got back to waste heat boiler and is recycled waste heat, the low-temperature flue gas of heat boiler outlet enters air through chimney after desulfurization, solves glass furnace fume high concentration SO
3, NO
xthe technical barrier that special flue gas carries out SCR denitration, electric precipitation causes, significantly can reduce the blockage on SCR catalyst surface, alleviate SO
3to corrosion and the degree of oxidation of catalyst structure, extending catalyst service life, reduce the consumption of denitrification reducing agent.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, a kind of device improving the glass furnace fume SCR denitration life-span, comprise glass furnace 1, waste heat boiler 2, quenching and tempering device 3, reducing agent adding equipment 4, denitration device 5, electric cleaner 6, blower fan 7, lock gas feed valve 8, injector 9, kiln air-introduced machine 10, desulphurization plant 11 and chimney 12, waste heat boiler 2 has high temperature side 21 and low temperature side 22, high temperature side 21 comprises high temperature side A211 and high temperature side B212, disconnect with dividing plate between high temperature side A211 and high temperature side B212, high temperature side B212 is communicated with low temperature side 22, the outlet of glass furnace 1 is connected with high temperature side A211 import, the import of denitration device 5 is exported with high temperature side A211 and is connected by flue, quenching and tempering device 3 is connected with denitration device 5 entrance by pipeline, reducing agent adding equipment 4 is connected with denitration device 5 entrance by pipeline, denitration device 5 exports and is connected with electric cleaner 6 entrance, electric cleaner 6 gaseous phase outlet is connected with high temperature side B212 import, the outlet of low temperature side 22 is connected with desulphurization plant 11 entrance by kiln air-introduced machine 10, desulphurization plant 11 exports and is connected with chimney 12 entrance, the solid-phase outlet of electric cleaner 6 is connected with lock gas feed valve 8 entrance, lock gas feed valve 8 exports and is connected with injector 9, injector 9 is exported and is connected with glass furnace 1 by pipeline, blower fan 7 is exported and is connected by the entrance of pipeline with injector 9.
Claims (3)
1. one kind is improved the device in glass furnace fume SCR denitration life-span, it is characterized in that: comprise glass furnace (1), waste heat boiler (2), quenching and tempering device (3), reducing agent adding equipment (4), denitration device (5), electric cleaner (6), the outlet of glass furnace (1), the import of denitration device (5) is all connected with waste heat boiler (2), quenching and tempering device (3) is connected with denitration device (5) entrance, reducing agent adding equipment (4) is connected with denitration device (5) entrance, denitration device (5) outlet is connected with electric cleaner (6) entrance, electric cleaner (6) gaseous phase outlet is communicated with desulphurization plant (11).
2. the device in raising glass furnace fume SCR denitration life-span according to claim 1, it is characterized in that: described waste heat boiler (2) has high temperature side (21) and low temperature side (22), high temperature side (21) comprises high temperature side A (211) and high temperature side B (212), disconnect with dividing plate between high temperature side A (211) and high temperature side B (212), high temperature side B (212) is communicated with low temperature side (22), the outlet of glass furnace (1) is connected with high temperature side A (211) import, the import of denitration device (5) exports with high temperature side A (211) and is connected, electric cleaner (6) gaseous phase outlet is connected with high temperature side B (212) import, the outlet of low temperature side (22) is connected with desulphurization plant (11) entrance by kiln air-introduced machine (10).
3. the device in raising glass furnace fume SCR denitration life-span according to claim 1 and 2, it is characterized in that: the solid-phase outlet of described electric cleaner (6) is connected with glass furnace (1) by induction system, described induction system comprises blower fan (7), lock gas feed valve (8) and injector (9), the solid-phase outlet of electric cleaner (6) is connected with lock gas feed valve (8) entrance, lock gas feed valve (8) outlet is connected with injector (9), injector (9) outlet is connected with glass furnace (1), blower fan (7) outlet is connected with the entrance of injector (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420646181.0U CN204247072U (en) | 2014-10-31 | 2014-10-31 | A kind of device improving the glass furnace fume SCR denitration life-span |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420646181.0U CN204247072U (en) | 2014-10-31 | 2014-10-31 | A kind of device improving the glass furnace fume SCR denitration life-span |
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| CN204247072U true CN204247072U (en) | 2015-04-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474893A (en) * | 2014-10-31 | 2015-04-01 | 浙江浙大海元环境科技有限公司 | Method and apparatus for increasing service life of glass kiln flue gas SCR denitration catalyst |
| CN106994299A (en) * | 2017-05-12 | 2017-08-01 | 广州绿华环保科技有限公司 | A kind of single channel denitration of glass furnace fume device and its method of denitration |
-
2014
- 2014-10-31 CN CN201420646181.0U patent/CN204247072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474893A (en) * | 2014-10-31 | 2015-04-01 | 浙江浙大海元环境科技有限公司 | Method and apparatus for increasing service life of glass kiln flue gas SCR denitration catalyst |
| CN106994299A (en) * | 2017-05-12 | 2017-08-01 | 广州绿华环保科技有限公司 | A kind of single channel denitration of glass furnace fume device and its method of denitration |
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