CN205517224U - Flue gas is handled system for among wet flue gas desulfurization - Google Patents

Flue gas is handled system for among wet flue gas desulfurization Download PDF

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Publication number
CN205517224U
CN205517224U CN201620026019.8U CN201620026019U CN205517224U CN 205517224 U CN205517224 U CN 205517224U CN 201620026019 U CN201620026019 U CN 201620026019U CN 205517224 U CN205517224 U CN 205517224U
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flue gas
water
smoke
cooler
processing system
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不公告发明人
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BEIJING NOROMO ENERGY-SAVING ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD.
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Beijing Yishengyuan Power Technology Co ltd
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Abstract

This utility model discloses a flue gas is handled system for among wet flue gas desulfurization, the system includes desulfurization absorption tower, flue gas primary cooling ware and chimney, the desulfurization absorption tower has flue gas entry and exhanst gas outlet, set up before the flue gas entry on desulfurization absorption tower flue gas primary cooling ware, the exhanst gas outlet on desulfurization absorption tower is connected the chimney. The embodiment of the utility model provides a water consumption on desulfurization absorption tower among the wet flue gas desulfurization can be reduced, and the desulfurization efficiency on desulfurization absorption tower has been improved.

Description

The smoke processing system being applied in wet desulphurization
Technical field
This utility model embodiment relates to Wet Flue Gas Desulfurization Technique field, particularly relates to be applied in wet desulphurization Smoke processing system.
Background technology
The impact caused along with industrial expansion, boiler smoke or industrial tail gas environmental pollution is increasing. Wet Flue Gas Desulfurization Technique is the more maturation administering boiler smoke or industrial tail gas, representative Technology.Generally Wet Flue Gas Desulfurization Technique includes: administer limestone-gypsum method that sulfur dioxide (SO2) pollutes, Ammonia process, Dual alkali etc..
Desulfuration absorbing tower that Wet Flue Gas Desulfurization Technique is used as it is shown in figure 1, flue gas enters desulfuration absorbing tower 2, For making flue gas cool-down, the water in desulfurizing agent is evaporated in flue gas in a large number, so that final neat stress is discharged During desulfuration absorbing tower, carry a large amount of steam.Therefore, existing wet desulfurization system water consumption is big.
Therefore, how to reduce the water consumption of desulfuration absorbing tower in wet desulphurization, become in prior art and need badly Solve the technical problem that.
Utility model content
In view of this, this utility model embodiment provide the smoke processing system that is applied in wet desulphurization and Its method, it can reduce the water consumption of desulfuration absorbing tower in wet desulphurization, and improve desulfuration absorbing tower Desulfuration efficiency.
This utility model embodiment provides the smoke processing system being applied in wet desulphurization, inhales including desulfurization Receiving tower, first flue gas cooler and chimney, described desulfuration absorbing tower has smoke inlet and exhanst gas outlet, Described first flue gas cooler is set before the smoke inlet of described desulfuration absorbing tower, described desulfuration absorbing tower Exhanst gas outlet connects described chimney.
In this utility model embodiment one specific embodiment, described system also includes being arranged at described desulfurization Smoke secondary cooler after the exhanst gas outlet on absorption tower.
In this utility model embodiment one specific embodiment, described system also includes being arranged at described flue gas Flue gas heater between after cooler and described chimney.
In this utility model embodiment one specific embodiment, described system also includes connecting described flue gas two The apparatus for recovering of secondary cooler.
In this utility model embodiment one specific embodiment, described apparatus for recovering includes: polywater bucket, Water seal, return water tank and recovered water pump, described polywater bucket connects described smoke secondary cooler, described One end of water seal connects the water in described polywater bucket and carries out water conservancy diversion, and the other end imports in described return water tank, Described recovered water pump connects described return water tank, and supplies water to water spot.
In this utility model embodiment one specific embodiment, apparatus for recovering also includes being placed in described recovery Agitator in water tank.
In this utility model embodiment one specific embodiment, also include connecting described first flue gas respectively cold But device and the heat reclaim unit of described flue gas heater.
In this utility model embodiment one specific embodiment, described heat reclaim unit is also respectively connected with institute State smoke secondary cooler and described flue gas heater.
In this utility model embodiment one specific embodiment, described heat reclaim unit includes: heat pump with And water circulating pump, described water circulating pump connects recirculated water, and it is cold that the connection of described heat pump flows through described first flue gas But the recirculated water of device and flow through the recirculated water of described smoke secondary cooler, described circulating water flow is through described Flue gas heater.
In this utility model embodiment one specific embodiment, it is characterised in that described heat reclaim unit Also include: connect the level pressure water pump of described recirculated water.
From above technical scheme, this utility model embodiment is at the smoke inlet of described desulfuration absorbing tower Before first flue gas cooler is set, make flue gas can with lower temperature enter desulfuration absorbing tower so that it is in tower Temperature-fall period shortens, and is in good desulfurization reaction zone in advance, can improve desulfuration efficiency.This utility model Embodiment reduces the flue-gas temperature entering desulfuration absorbing tower, also reduces the operation temperature in desulfuration absorbing tower Degree, makes desulphurization reaction more perfect.This utility model embodiment reduces the flue gas entering desulfuration absorbing tower Temperature so that in desulfurizing agent, evaporation of water reduces, and has saved the water consumption of desulfuration absorbing tower.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model EXAMPLE Example or technical scheme of the prior art, Below by the accompanying drawing used required in embodiment or description of the prior art is briefly described, aobvious and easy Insight, the accompanying drawing in describing below is only some embodiments described in this utility model embodiment, right From the point of view of those of ordinary skill in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing desulfuration absorbing tower;
Fig. 2 is that the smoke processing system one that this utility model embodiment is applied in wet desulphurization is embodied as The structural representation of example;
Fig. 3 is that another is specifically real for the smoke processing system that is applied in wet desulphurization of this utility model embodiment Execute the structural representation of example;
Fig. 4 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is further concrete real Execute the structural representation of example;
Fig. 5 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is further concrete real Execute the structural representation of example;
Fig. 6 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is further concrete real Execute the structural representation of example;
Fig. 7 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is further concrete real Execute the structural representation of example;
Fig. 8 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is further concrete real Execute the structural representation of example;
Fig. 9 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is further concrete real Execute the structural representation of example;
Figure 10 is that the smoke processing system that this utility model embodiment is applied in wet desulphurization is the most concrete The structural representation of embodiment.
Detailed description of the invention
This utility model embodiment arranges first flue gas cooler before the smoke inlet of described desulfuration absorbing tower, Make flue gas can enter desulfuration absorbing tower with lower temperature so that it is in tower, temperature-fall period shortens, and is in advance Good desulfurization reaction zone, can improve desulfuration efficiency.This utility model embodiment reduces entrance desulfurization and inhales Receive the flue-gas temperature of tower, also reduce the operation temperature in desulfuration absorbing tower, make desulphurization reaction more perfect. This utility model embodiment reduces the flue-gas temperature entering desulfuration absorbing tower so that the steaming of water in desulfurizing agent Send out and reduce, saved the water consumption of desulfuration absorbing tower.
Certainly, implement arbitrary technical scheme of this utility model embodiment must be not necessarily required to reach simultaneously with On all advantages.
For the technical scheme making those skilled in the art be more fully understood that in this utility model embodiment, below The accompanying drawing in this utility model embodiment will be combined, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only that this utility model embodiment part is real Execute example rather than whole embodiments.Based on the embodiment in this utility model embodiment, this area is general The every other embodiment that logical technical staff is obtained, all should belong to the protection of this utility model embodiment Scope.
Further illustrate this utility model embodiment below in conjunction with this utility model embodiment accompanying drawing to implement.
Embodiment one
Seeing Fig. 2, this utility model embodiment one specific embodiment provides one to be applied in wet desulphurization Smoke processing system, including desulfuration absorbing tower 2, first flue gas cooler 1 and chimney 5, described de- Sulfur absorption tower 2 has smoke inlet 21 and exhanst gas outlet 22, the smoke inlet 21 of described desulfuration absorbing tower Before described first flue gas cooler 1 is set, the exhanst gas outlet 22 of described desulfuration absorbing tower 2 connects described cigarette Chimney 5.
Described first flue gas cooler 1 makes flue gas enter institute after described first flue gas cooler 1 cools down State desulfuration absorbing tower 2.
In this utility model embodiment implements, seeing Fig. 3, described first flue gas cooler 1 can To be arranged on the front within the smoke inlet 21 of described desulfuration absorbing tower 2.Or, see Fig. 4, institute State first flue gas cooler 1 and can also be arranged on the outside of described desulfuration absorbing tower 2, smoke inlet 21 At anterior position.Described first flue gas cooler 1 can also be arranged on the flue gas of described desulfuration absorbing tower 2 Any other position before entrance 21, it is only necessary to ensure that described flue gas is cold through described first flue gas cooler 1 Enter described desulfuration absorbing tower 2 the most afterwards.
Described desulfuration absorbing tower 2, receives the flue gas after the cooling of described first flue gas cooler 1, carries out wet Method desulfurization processes, and the flue gas after desulfurization is emitted into described chimney 5 through described exhanst gas outlet 22.
Therefore, the present embodiment passes through described first flue gas cooler 1, reduces and enters desulfuration absorbing tower 2 Flue-gas temperature so that in desulfurizing agent, evaporation of water reduces, and has saved the water consumption of desulfuration absorbing tower 2.
The present embodiment makes flue gas can enter desulfuration absorbing tower 2 with lower temperature so that it is temperature-fall period in tower Shorten, be in good desulfurization reaction zone in advance, improve the efficiency of desulfurization.
The present embodiment reduces the flue-gas temperature entering desulfuration absorbing tower 2, also reduces desulfuration absorbing tower 2 Interior operation temperature, makes desulphurization reaction more perfect.
Embodiment two
In another embodiment of this utility model embodiment, seeing Fig. 5, described system is inhaled except above-mentioned desulfurization Receive outside tower 2 and first flue gas cooler 1, also include the exhanst gas outlet being arranged at described desulfuration absorbing tower 2 Smoke secondary cooler 3 after 22.Described smoke secondary cooler 3 makes the flue gas after described desulfurization pass through Described smoke secondary cooler 3 cools down, and water recovery contained by the flue gas after described desulfurization separates out.
In this utility model embodiment implements, seeing Fig. 6, described smoke secondary cooler 3 can To be arranged on the rear within the exhanst gas outlet 22 of described desulfuration absorbing tower 2.Or, described smoke secondary Cooler 3 can also be arranged on the outside of described desulfuration absorbing tower 2, the rear position of exhanst gas outlet 22 Place.Seeing Fig. 7, described smoke secondary cooler 3 can also be arranged on the cigarette of described desulfuration absorbing tower 2 Any other position after gas outlet 22, it is only necessary to ensure that the flue gas after described desulfurization is through described flue gas two Secondary cooler 3 cools down, and water recovery contained by the flue gas after described desulfurization separates out.
The present embodiment reduces the flue-gas temperature entering desulfuration absorbing tower 2, also reduces desulfuration absorbing tower 2 Exhanst gas outlet 22 discharge neat stress temperature, make neat stress carry water vapour amount decline.
The present embodiment uses described smoke secondary cooler 3 to carry out cooling twice to discharging neat stress, enters one Step reduces flue-gas temperature, will make a large amount of curding out of steam carried in neat stress, and obtain good Water-saving result.
In the present embodiment, part dust, metallic particles, aerosol etc. are also by the curding out with steam Separate out, the concentration of pollutant contained by the flue gas entered in chimney 5 can be substantially reduced.
Embodiment three
In this utility model embodiment another embodiment, seeing Fig. 8, described system is inhaled except above-mentioned desulfurization Receive outside tower 2 and first flue gas cooler 1, smoke secondary cooler 3, also include being arranged at described flue gas Flue gas heater between after cooler 3 and described chimney 5.
Flue gas institute moisture vapor after described flue gas heater 4 makes described desulfurization is condensed precipitation post-heating, Make to enter the vapour content of flue gas in described chimney 5 and be less than saturation.
The present embodiment neat stress through described smoke secondary cooler 3 cooling make steam coagulation separate out after, Utilize described flue gas heater 4 that described neat stress is heated so that it is after enter the flue gas in chimney 5 Vapour content is significantly less than saturation.Low owing to entering the flue gas vapour content in chimney 5, water Steam will not carry the Gypsum Fibrosum of desulphurization reaction generation and go out interruption-forming gypsum rain at described chimney 5.
On the one hand the present embodiment is made by described first flue gas cooler 1 and described smoke secondary cooler 3 The erosion content that must enter flue gas in chimney 5 is minimized, on the other hand by described flue gas heater 4 orders enter the temperature of flue gas in chimney 5 and raise, and the anticorrosive work of described chimney 5 can be made to reduce, very To described chimney 5 without carrying out anticorrosion, greatly reduce the investment of desulphurization system.
Embodiment four
In this utility model embodiment another embodiment, seeing Fig. 9, described system is inhaled except above-mentioned desulfurization Receive outside tower 2 and first flue gas cooler 1, smoke secondary cooler 3, flue gas heater 4, described system Also include the apparatus for recovering 6 connecting described smoke secondary cooler 3.
Described apparatus for recovering 6 receives described in described smoke secondary cooler 3 contained by the flue gas after desulfurization The water that water recovery separates out, and by the Water transport of reception to using water spot.
Specifically, described apparatus for recovering 6 includes: polywater bucket 61, water seal 62, return water tank 63 with And recovered water pump 64, described polywater bucket 61 connects described smoke secondary cooler 3, described water seal 62 One end connects the water in described polywater bucket 61 and carries out water conservancy diversion, and the other end imports in described return water tank 63, Described recovered water pump 64 connects described return water tank 63, and supplies water to water spot.
In implementing, described water seal 62 can be U-shaped water seal.
The present embodiment reclaims described smoke secondary cooler 3 curding out by described apparatus for recovering 6 Water carries out secondary utilization, further reduces the water consumption of described desulfuration absorbing tower 2, achieves better Good water-saving result.
Preferably, described apparatus for recovering 6 also includes the agitator 65 being placed in described return water tank 63. Described agitator 65 is for being stirred the water in described return water tank 64, it is to avoid described return water tank 64 precipitation granules.
Additionally, for the ease of maintenance, a maintenance isolating valve 8 can also be arranged bottom described polywater bucket 61.
Those skilled in the art are possible with other modes and avoid described return water tank 64 to precipitate granule, than As described in be set to detachable base plate, periodically in described return water tank 64 bottom return water tank 64 Precipitation granule carries out cleaning etc., and this is the most specifically limited by this utility model embodiment.
Embodiment five
In this utility model embodiment another embodiment, seeing Figure 10, described system is inhaled except above-mentioned desulfurization Receive tower 2 and first flue gas cooler 1, smoke secondary cooler 3, flue gas heater 4, apparatus for recovering Outside 6, in order to reclaim the heat produced in described first flue gas cooler 1, described system also includes respectively Connect the heat reclaim unit 7 of described first flue gas cooler 1 and described flue gas heater 3.
Described heat reclaim unit 7 reclaims described first flue gas cooler 1 to carry out described flue gas cooling down institute The heat absorbed, and described heat is provided to described flue gas heater 4.
In order to reclaim the heat produced in described smoke secondary cooler 3 further, described heat recovery fills Put 7 and be also respectively connected with described smoke secondary cooler 3 and described flue gas heater 4.
Described heat reclaim unit 7 is additionally operable to the cigarette reclaiming described smoke secondary cooler 3 to described desulfurization Gas carries out cooling down absorbed heat, and provides described heat to described flue gas heater 4.
In this utility model embodiment implements, described heat reclaim unit 7 can only reclaim described Heat produced by first flue gas cooler 1, it is also possible to only reclaim described smoke secondary cooler 3 and produce Heat, or reclaim heat and described smoke secondary produced by described first flue gas cooler 1 simultaneously The heat that cooler 3 produces.
Specifically, described heat reclaim unit 7 includes: heat pump 71 and water circulating pump 72, described in follow Ring water pump 72 connects recirculated water, and described heat pump 71 connects the circulation flowing through described first flue gas cooler 1 Water and flow through the recirculated water of described smoke secondary cooler 3, described circulating water flow is through described flue gas Device 4.
Described heat pump 71 reclaims described in the recirculated water absorption by flowing through described first flue gas cooler 1 Heat in first flue gas cooler;Reclaim the recirculated water by flowing through described smoke secondary cooler 3 to inhale Heat in the described smoke secondary cooler received;By flowing through the recirculated water pair of described flue gas heater 4 Flue gas after purification heats.
Described water circulating pump 72 carries described recirculated water and is circulated operation.
Preferably, in order to prevent recirculated water from vaporizing, affect heat transfer efficiency and corrosion pipeline, described heat Amount retracting device 7 also includes: connect the level pressure water pump 73 of described recirculated water.
Level pressure water pump 73 provides pressure reference for described recirculated water.
Additionally, supplement for the ease of carrying out water, described recirculated water water pipe arranges one and supplements penstock, can Supplementary periodically to carry out water.
Further illustrate this utility model embodiment below by a concrete application scenarios to realize.
See Figure 10, a kind of smoke processing system being applied in wet desulphurization, including: first flue gas is cold But device 1, there is the desulfuration absorbing tower 2 of smoke inlet 21 and exhanst gas outlet 22, smoke secondary cooler 3, flue gas heater 4, apparatus for recovering 6, heat reclaim unit 7.The cigarette of described desulfuration absorbing tower 2 Gas outlet 22 connection chimney 5.
Described first flue gas cooler 1 is arranged at the front of the smoke inlet 21 of described desulfuration absorbing tower 2 Position, after cooling down flue gas, sends the flue gas of cooling to described de-through described smoke inlet 21 Sulfur absorption tower 2.
Described desulfuration absorbing tower 2 receives the flue gas after the cooling of described first flue gas cooler 1, carries out wet method Desulfurization processes, and the flue gas after desulfurization is emitted into described chimney 5 through described exhanst gas outlet 22.
Described smoke secondary cooler 3 is arranged at the rear of the exhanst gas outlet 22 of described desulfuration absorbing tower 2 Position, makes the flue gas after described desulfurization cool down through described smoke secondary cooler 3, after described desulfurization Flue gas contained by water recovery separate out.
Described flue gas heater 4 is arranged between described smoke secondary cooler 3 and described chimney 5, order Flue gas institute moisture vapor after described desulfurization is condensed precipitation post-heating, makes to enter flue gas in described chimney 5 Vapour content less than saturation.
Described apparatus for recovering 6 receives described in described smoke secondary cooler 3 contained by the flue gas after desulfurization The water that water recovery separates out, and by the Water transport of reception to using water spot.
Specifically, described apparatus for recovering 6 includes:
Polywater bucket 61, for receiving described in described smoke secondary cooler the aqueous steaming of flue gas after desulfurization The water of vapour curding out.
U-shaped water seal 62, for carrying out water conservancy diversion to the water in described polywater bucket.
Return water tank 63, the water in the described polywater bucket receiving described water seal water conservancy diversion.
Recovered water pump 64, for the Water transport extremely described water spot received by described return water tank.
Agitator 65, for being stirred the water in described return water tank 64, it is to avoid described recycle-water Case 64 precipitates granule.
Additionally, for the ease of maintenance, a maintenance isolating valve 8 can also be arranged bottom described polywater bucket 61.
Heat reclaim unit 7 reclaim described first flue gas cooler 1 described flue gas is carried out cooling absorbed Heat, and described heat is provided to described flue gas heater 4.
Described heat reclaim unit 7 includes:
Heat pump 71, for reclaiming described in the recirculated water absorption by flowing through described first flue gas cooler 1 Heat in first flue gas cooler;Reclaim the recirculated water by flowing through described smoke secondary cooler 3 to inhale Heat in the described smoke secondary cooler received;By flowing through the recirculated water pair of described flue gas heater 4 Flue gas after purification heats;
Water circulating pump 72, is used for carrying described recirculated water and is circulated operation.
In order to prevent recirculated water from vaporizing, affecting heat transfer efficiency and corrosion pipeline, described heat recovery fills Put 7 also to include:
Level pressure water pump 73, for providing pressure reference for described recirculated water, can periodically carry out water and supplement.
The smoke processing system that should be used in wet desulphurization has following technical effect that
1) described first flue gas cooler 1 reduces the flue-gas temperature entering desulfuration absorbing tower 2, makes Obtain evaporation of water in desulfurizing agent to reduce, save the water consumption of desulfuration absorbing tower 2.
2) flue gas can enter desulfuration absorbing tower 2 with lower temperature so that it is in tower, temperature-fall period shortens, It is in good desulfurization reaction zone in advance, improves the efficiency of desulfurization.
3) described first flue gas cooler 1 reduces the flue-gas temperature entering desulfuration absorbing tower 2, also Reduce the operation temperature in desulfuration absorbing tower 2, make desulphurization reaction more perfect.
4) described first flue gas cooler 1 reduces the flue-gas temperature entering desulfuration absorbing tower 2, institute State smoke secondary cooler 3 reduce desulfuration absorbing tower 2 exhanst gas outlet 22 discharge clean Flue-gas temperature, makes neat stress carry water vapour amount and declines.
5) described smoke secondary cooler 3 carries out cooling twice to discharging neat stress, reduces further Flue-gas temperature, will make a large amount of curding out of steam carried in neat stress, obtain good Water-saving result.
6) curding out with steam is also separated out by part dust, metallic particles, aerosol etc., The concentration of pollutant contained by the flue gas entered in chimney 5 can be substantially reduced.
7) neat stress is after making steam coagulation separate out through the cooling of described smoke secondary cooler 3, Utilize described flue gas heater 4 that described neat stress is heated so that it is after enter chimney 5 In flue gas vapour content be significantly less than saturation.
8) low owing to entering the flue gas vapour content in chimney 5, it is anti-that steam will not carry desulfurization The Gypsum Fibrosum that should generate goes out interruption-forming gypsum rain at described chimney 5.
9) on the one hand made by described first flue gas cooler 1 and described smoke secondary cooler 3 The erosion content entering flue gas in chimney 5 is minimized, on the other hand by described cigarette Hot-air heater 4 the present enters the temperature of flue gas in chimney 5 and raises, and can make described chimney 5 Anticorrosive work reduces, and the most described chimney 5, without carrying out anticorrosion, greatly reduces desulfurization system The investment of system.
10) described apparatus for recovering 6 reclaims the water of described smoke secondary cooler 3 curding out and carries out Secondary utilizes, and further reduces the water consumption of described desulfuration absorbing tower 2, achieves more Good water-saving result.
11) described heat reclaim unit 7 reclaims described first flue gas cooler 1 and/or described cigarette Heat in gas after cooler 3 is to described flue gas heater 4, it is possible to achieve more energy-conservation.
Although have been described for the preferred embodiment of this utility model embodiment, but those skilled in the art Once know basic creative concept, then these embodiments can be made other change and amendment.Institute With, claims are intended to be construed to include preferred embodiment and fall into this utility model embodiment model The all changes enclosed and amendment.Obviously, this utility model embodiment can be entered by those skilled in the art The various changes of row and modification are without deviating from the spirit and scope of this utility model embodiment.So, if originally These amendments of utility model embodiment and modification belong to this utility model embodiment claim and equivalent thereof Within the scope of technology, then this utility model embodiment is also intended to comprise these change and modification.

Claims (9)

1. it is applied to the smoke processing system in wet desulphurization, it is characterized in that, including desulfuration absorbing tower, first flue gas cooler, smoke secondary cooler and chimney, described desulfuration absorbing tower has smoke inlet and exhanst gas outlet, described first flue gas cooler is set before the smoke inlet of described desulfuration absorbing tower, arranging described smoke secondary cooler after the exhanst gas outlet of described desulfuration absorbing tower, described smoke secondary cooler connects described chimney.
The smoke processing system being applied in wet desulphurization the most according to claim 1, it is characterised in that described system also includes the flue gas heater being arranged between described smoke secondary cooler and described chimney.
The smoke processing system being applied in wet desulphurization the most according to claim 2, it is characterised in that described system also includes the apparatus for recovering connecting described smoke secondary cooler.
The smoke processing system being applied in wet desulphurization the most according to claim 3, it is characterized in that, described apparatus for recovering includes: polywater bucket, water seal, return water tank and recovered water pump, described polywater bucket connects described smoke secondary cooler, the water that one end of described water seal connects in described polywater bucket carries out water conservancy diversion, the other end imports in described return water tank, and described recovered water pump connects described return water tank, and supplies water to water spot.
The smoke processing system being applied in wet desulphurization the most according to claim 4, it is characterised in that apparatus for recovering also includes the agitator being placed in described return water tank.
The smoke processing system being applied in wet desulphurization the most according to claim 5, it is characterised in that also include connecting described first flue gas cooler and the heat reclaim unit of described flue gas heater respectively.
The smoke processing system being applied in wet desulphurization the most according to claim 6, it is characterised in that described heat reclaim unit is also respectively connected with described smoke secondary cooler and described flue gas heater.
The smoke processing system being applied in wet desulphurization the most according to claim 7, it is characterized in that, described heat reclaim unit includes: heat pump and water circulating pump, described water circulating pump connects recirculated water, the connection of described heat pump flows through the recirculated water of described first flue gas cooler and flows through the recirculated water of described smoke secondary cooler, and described circulating water flow is through described flue gas heater.
The smoke processing system being applied in wet desulphurization the most according to claim 8, it is characterised in that described heat reclaim unit also includes: connect the level pressure water pump of described recirculated water.
CN201620026019.8U 2016-01-13 2016-01-13 Flue gas is handled system for among wet flue gas desulfurization Active CN205517224U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105536456A (en) * 2016-01-13 2016-05-04 北京亿盛源电力技术有限公司 Wet desulphurization and flue gas emission system and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105536456A (en) * 2016-01-13 2016-05-04 北京亿盛源电力技术有限公司 Wet desulphurization and flue gas emission system and method thereof

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