CN203170218U - Efficient dry-process deacidification reactor - Google Patents
Efficient dry-process deacidification reactor Download PDFInfo
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- CN203170218U CN203170218U CN 201320155933 CN201320155933U CN203170218U CN 203170218 U CN203170218 U CN 203170218U CN 201320155933 CN201320155933 CN 201320155933 CN 201320155933 U CN201320155933 U CN 201320155933U CN 203170218 U CN203170218 U CN 203170218U
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Abstract
The utility model discloses an efficient dry-process deacidification reactor. The efficient dry-process deacidification reactor comprises an injection powder filling device, a circular reactor cylinder which is arranged on a flue behind the injection powder filling device, and a turbulent mixing device which is arranged below the flue, wherein the injection powder filling device consists of a lime powder bin, an injection fan and a lime powder injection pipe; the turbulent mixing device comprises a turbulent injection fan, an arc-shaped air delivery pipe and a plurality of tangent air injection pipes; the air injection port of the turbulent injection fan is communicated with the air inlet ends of the plurality of tangent air injection pipes through the arc-shaped air delivery pipe; and the air outlet ends of the plurality of tangent air injection pipes are tangentially communicated with the upper part of the reactor cylinder. The efficient dry-process deacidification reactor is good in using effect and high in cost performance, and can be widely matched with various types of equipment for deacidification through flue gas; the problems of small air powder contact area, short reaction time, poor purification effect and low deacidification efficiency of the dry-process deacidification reactor are solved.
Description
Technical field
The utility model relates to the depickling reactor that a kind of deacidifying flue gas that is arranged on the flue is used.
Background technology
Present depickling reactor mainly contains three kinds of wet method depickling reactors, semidry method depickling reactor, dry method depickling reactor.Wet method depickling reactor has the high advantage of deacidification efficiency, but water consumption is big, and needs the secondary water treatment, so investment is big.The depickling depickling reactor of semidry method generally adopts spray drying process, also has the good advantage of deacidification effect, but investment is big, operating cost is high, operation easier is big; Traditional dry method depickling reactor has little, the advantage that operating cost is low of investment, but deacidification effect poor (the deacidification effect difference mainly be because gas, powder contact area are little, and the reaction time is short).
The utility model content
The purpose of this utility model provides the efficient depickling reactor of a kind of dry method, solve the technical problem of dry method depickling reactor deacidification effect difference.
For achieving the above object, the utility model adopts following technical scheme: the efficient depickling reactor of a kind of dry method, the reactor shell that comprises the circle on the injection powder adding device that is located on the flue and the flue that is located at injection powder adding device rear, described injection powder adding device is by lime powder bin, injection blower fan and lime injection pipe are formed, wherein the discharging opening of lime powder bin is connected with the lime injection pipe, the puff prot of injection blower fan is logical to be communicated with the inlet end of lime injection pipe, the outlet side of lime injection pipe is communicated with flue again, described reactor shell is provided with exhaust smoke outlet and bottom ash-removing valve, it is characterized in that: the efficient depickling reactor of this dry method also comprises the turbulent flow mixing arrangement that is located at the flue below, this turbulent flow mixing arrangement comprises turbulent flow injection blower fan, arc wind conveying pipe and a plurality of tangent line air jet pipe, wherein the puff prot of turbulent flow injection blower fan is communicated with the inlet end of a plurality of tangent line air jet pipes by the arc wind conveying pipe, and the outlet side of a plurality of tangent line air jet pipes is communicated with the upper tangential of reactor shell again.
The top of described reactor shell is the small cross-sectional area cylindrical shell, and the middle part of reactor shell is the long-pending cylindrical shell in heavy in section, and described exhaust smoke outlet is located at the bottom of reactor shell, and described bottom ash-removing valve is located at the bottom of reactor shell.
Described small cross-sectional area cylindrical shell can enlarge cylindrical shell gradually by the cross section and link to each other with the long-pending cylindrical shell in heavy in section.
The bottom of described reactor shell can be the cross section and dwindles cylindrical shell gradually.
Described flue can be communicated with the upper tangential of reactor shell.
The air entry of described injection blower fan is communicated with flue, and the air entry that described turbulent flow is sprayed blower fan also is communicated with flue.
Compared with prior art the utlity model has following characteristics and beneficial effect: traditional dry method holder acid reactor is after with the injection blower fan pulverized limestone being sprayed into flue, the flue gas that will be mixed with pulverized limestone again is fed in the reactor shell, its defective one is not have the turbulation measure, so gas, powder contact area are few, reaction time is short, does not reach deacidification effect; The 2nd, the sectional area of reactor shell does not change, and the flow velocity of flue gas in reactor shell is fast, so the time of acid-base reaction is short; The 3rd, the injection blower fan that the injection pulverized limestone is used is to extract natural air to spray into, and can increase the oxygen content of the flue gas in the flue, is conducive to the generation of oxidize contaminants.And the maximum innovative point of the utility model just is, the one, set up independent turbulent flow mixing arrangement, the turbulent flow mixing arrangement can make gas, powder fully mixes (because the turbulent flow mixing arrangement makes and occurs turbulent flow in the reactor shell, under the effect of turbulent flow, gas, the powder contact area can increase greatly), so accelerated reaction speed, improved deacidification effect, improved clean-up effect, the 2nd, mix sufficient gas, after powder mixture enters reactor shell, owing to adopted specific design (sectional area of reactor shell changes from small to big), the flow velocity of the flue gas that slowed down, so that the time of acid-base reaction has obtained prolongation, further improved deacidification effect; The 3rd, injection blower fan that the injection pulverized limestone is used extracts is flue gas in the flue, simultaneously the turbulent flow mixing arrangement also extracts is flue gas in the flue, can not increase the oxygen content of flue gas, so be conducive to stop the generation (namely having reduced the generation of oxidize contaminants) of relevant oxidize contaminants, reduced the discharging of pollutant.
Compare with traditional dry method holder acid reactor, result of use of the present utility model is better, has solved the problem that dry method depickling reactor gas powder contact area is little, the reaction time short, clean-up effect is poor, deacidification efficiency is low.
Compare with semidry method depickling reactor with traditional wet method, the utility model can be when reaching certain deacidification effect, save a large amount of operating cost (can save the electricity charge about 80%, water saving about 100%) and equipment investment, so reached reduced investment, profitable, purpose that discharging is low.
The utility model operation easier is low, and the technology path of dry process is improved, and has better cost performance, can extensively use with the various coordinative composition of equipments of deacidifying flue gas that need.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is that structure master of the present utility model looks schematic diagram.
Fig. 2 is the schematic top plan view of Fig. 1.
The figure mark: 1-lime powder bin, 2-injection blower fan, 3-turbulent flow injection blower fan, 4-arc wind conveying pipe, the jet mouth of pipe of many tangent lines of 5-, 6-small cross-sectional area cylindrical shell, the long-pending cylindrical shell in 7-heavy in section, 8-exhaust smoke outlet, 9-bottom ash-removing valve, 10-reactor shell, 11-lime injection pipe, 12-cross section dwindle cylindrical shell gradually, the 13-cross section enlarges cylindrical shell, 14-flue gradually.
The specific embodiment
Embodiment is referring to Fig. 1, shown in Figure 2, the efficient depickling reactor of this dry method, the reactor shell 10 that comprises the circle on the injection powder adding device that is located on the flue 14 and the flue 14 that is located at injection powder adding device rear, described reactor shell 10 is provided with exhaust smoke outlet 8 and bottom ash-removing valve 9, the solid powder is discharged by bottom ash-removing valve 9, and flue gas enters follow-up purification facility by exhaust smoke outlet 8.
Described injection powder adding device is made up of lime powder bin 1, injection blower fan 2 and lime injection pipe 11, the discharging opening of lime powder bin 1 be connected with lime injection pipe 11 (lime powder bin 1 is located on the tube wall of lime injection pipe 11 and the discharging opening of lime powder bin communicates with lime injection pipe 11) wherein, the puff prot of injection blower fan 2 is logical to be communicated with the inlet end of lime injection pipe 11, and the outlet side of lime injection pipe 11 is communicated with flue 14 again.
The efficient depickling reactor of this dry method also comprises the turbulent flow mixing arrangement that is located at flue 14 belows, this turbulent flow mixing arrangement comprises turbulent flow injection blower fan 3, arc wind conveying pipe 4 and a plurality of tangent line air jet pipe 5, wherein the puff prot of turbulent flow injection blower fan 3 is communicated with the inlet end of a plurality of tangent line air jet pipes 5 by arc wind conveying pipe 4, the outlet side of a plurality of tangent line air jet pipes 5 be communicated with the upper tangential of reactor shell 10 again (be reactor shell 10 be blown into air port and its excircle cylindrical shell tangentially, or perhaps the barrel tangentially of tangent line air jet pipe 5 and reactor shell 10).
The quantity of described a plurality of tangent line air jet pipes 5 can design as required, is three in the present embodiment.
In the present embodiment, the blast tangent line that turbulent flow power in the reactor shell 10 mainly sprays blower fan 3 by turbulent flow is blown into and forms, after gas, powder mixture in the flue enters reactor shell 10, under the tangent line dynamic action of turbulent flow mixing arrangement, form turbulent flow, because the turbulivity in the reactor shell is very high, the gas powder can be mixed fully fast, and reach maximum gas, powder contact area, so accelerated acid-base reaction.
In the present embodiment, flue 14 also is tangential the connection with the top of reactor shell 10, after gas, the powder mixture in the flue enters reactor shell 10 by tangential direction, can make the turbulent flow power in the reactor shell 10 bigger like this.
The top of described reactor shell 10 is small cross-sectional area cylindrical shell 6, and the middle part of reactor shell 10 is the long-pending cylindrical shell 7 in heavy in section.The top of reactor shell 10 is the high-efficiency turbulent flow mixed zone, and the middle part of reactor shell 10 is for prolonging the acid-base reaction district, and the diameter of high-efficiency turbulent flow mixed zone is less than the diameter that prolongs the acid-base reaction district.Reactor shell 10 like this reasons of design to be flue gas flowed downward by the top of reactor shell 10, so expansion along with the flue gas actual internal area, the sufficient gas of mixing, the powder mixture that are fallen by top can slow down at this regional flow velocity, so prolonged the time of acid-base reaction, promoted deacidification effect.
In the present embodiment, small cross-sectional area cylindrical shell 6 enlarges cylindrical shell 13 gradually by the cross section and links to each other with the long-pending cylindrical shell 7 in heavy in section, the bottom of reactor shell 10 is that the cross section dwindles cylindrical shell 12 gradually, described exhaust smoke outlet 8 is located at the cross section and dwindles gradually on the cylindrical shell 12, and described bottom ash-removing valve 9 is located at the bottom of reactor shell 10.
In the present embodiment, the air entry of injection blower fan 2 is communicated with flue 14, so injection blower fan 2 can extract the flue gas in the flue 14, injection blower fan 2 can utilize expulsion pressure, make the discharging opening of lime powder bin 1 be in negative pressure then, and make pulverized limestone enter lime injection pipe 11 thus, and then pulverized limestone and flue gas are blown in the flue together.
In the present embodiment, the air entry that turbulent flow is sprayed blower fan 3 also is communicated with flue 14, also is the flue gas that extracts in the flue so turbulent flow is sprayed blower fan 3, and then is blown in the reactor shell 10.
The course of work of the present utility model: the injection principle that utilizes the injection powder adding device, a certain amount of lime injection is mixed into primary mixture with flue gas in flue, primary mixture enters small cross-sectional area cylindrical shell 6 then, make primary mixture under the condition of high turbulence, gas, powder fully mixes, increase gas thus greatly, the contact area of powder, and then make primary mixture enter the long-pending cylindrical shell 7(in heavy in section by small cross-sectional area cylindrical shell 6 namely to enter the prolongation acid-base reaction district that sectional area enlarges), the flow velocity of primary mixture is slowed down, and increase the reaction time accordingly.
Claims (6)
1. efficient depickling reactor of dry method, the reactor shell (10) that comprises the circle on the injection powder adding device that is located on the flue (14) and the flue (14) that is located at injection powder adding device rear, described injection powder adding device is by lime powder bin (1), injection blower fan (2) and lime injection pipe (11) are formed, wherein the discharging opening of lime powder bin (1) is connected with lime injection pipe (11), the puff prot of injection blower fan (2) is logical to be communicated with the inlet end of lime injection pipe (11), the outlet side of lime injection pipe (11) is communicated with flue (14) again, described reactor shell (10) is provided with exhaust smoke outlet (8) and bottom ash-removing valve (9), it is characterized in that: the efficient depickling reactor of this dry method also comprises the turbulent flow mixing arrangement that is located at flue (14) below, this turbulent flow mixing arrangement comprises turbulent flow injection blower fan (3), arc wind conveying pipe (4) and a plurality of tangent line air jet pipe (5), wherein the puff prot of turbulent flow injection blower fan (3) is communicated with the inlet end of a plurality of tangent line air jet pipes (5) by arc wind conveying pipe (4), and the outlet side of a plurality of tangent line air jet pipes (5) is communicated with the upper tangential of reactor shell (10) again.
2. the efficient depickling reactor of a kind of dry method according to claim 1, it is characterized in that: the top of described reactor shell (10) is small cross-sectional area cylindrical shell (6), the middle part of reactor shell (10) is the long-pending cylindrical shell (7) in heavy in section, described exhaust smoke outlet (8) is located at the bottom of reactor shell (10), and described bottom ash-removing valve (9) is located at the bottom of reactor shell (10).
3. the efficient depickling reactor of a kind of dry method according to claim 2 is characterized in that: described small cross-sectional area cylindrical shell (6) enlarges cylindrical shell (13) gradually by the cross section and links to each other with the long-pending cylindrical shell (7) in heavy in section.
4. the efficient depickling reactor of a kind of dry method according to claim 2, it is characterized in that: the bottom of described reactor shell (10) is that the cross section dwindles cylindrical shell (12) gradually.
5. the efficient depickling reactor of a kind of dry method according to claim 1, it is characterized in that: described flue (14) is communicated with the upper tangential of reactor shell (10).
6. the efficient depickling reactor of a kind of dry method according to claim 1, it is characterized in that: the air entry of described injection blower fan (2) is communicated with flue (14), and the air entry that described turbulent flow is sprayed blower fan (3) also is communicated with flue (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320155933 CN203170218U (en) | 2013-04-01 | 2013-04-01 | Efficient dry-process deacidification reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320155933 CN203170218U (en) | 2013-04-01 | 2013-04-01 | Efficient dry-process deacidification reactor |
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| CN203170218U true CN203170218U (en) | 2013-09-04 |
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| CN 201320155933 Expired - Fee Related CN203170218U (en) | 2013-04-01 | 2013-04-01 | Efficient dry-process deacidification reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351222A (en) * | 2023-05-10 | 2023-06-30 | 北京中科润宇环保科技股份有限公司 | Dry flue gas deacidification reaction device and working method |
-
2013
- 2013-04-01 CN CN 201320155933 patent/CN203170218U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116351222A (en) * | 2023-05-10 | 2023-06-30 | 北京中科润宇环保科技股份有限公司 | Dry flue gas deacidification reaction device and working method |
| CN116351222B (en) * | 2023-05-10 | 2023-10-17 | 北京中科润宇环保科技股份有限公司 | Dry flue gas deacidification reaction device and working method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 |
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| CF01 | Termination of patent right due to non-payment of annual fee |