CN203155075U - Built-in double-chamber double-value wet type desulfurizing tower device - Google Patents
Built-in double-chamber double-value wet type desulfurizing tower device Download PDFInfo
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- CN203155075U CN203155075U CN 201220611163 CN201220611163U CN203155075U CN 203155075 U CN203155075 U CN 203155075U CN 201220611163 CN201220611163 CN 201220611163 CN 201220611163 U CN201220611163 U CN 201220611163U CN 203155075 U CN203155075 U CN 203155075U
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Abstract
The utility model discloses a built-in double-chamber double-value wet type desulfurizing tower device. The built-in double-chamber double-value wet type desulfurizing tower device comprises a tower body, wherein an inlet flue and an outlet flue are arranged on the tower body, a double-chamber slurry region, a spraying absorption region and a liquid and dust removing region are arranged in the tower body, the spraying absorption region is arranged above the double-chamber slurry region, the liquid and dust removing region is arranged above the spraying absorption region, the inlet flue is arranged between the double-chamber slurry region and the spraying absorption region, the outlet flue is arranged above the liquid and dust removing region, and flue gas enters the tower body from the inlet flue, sequentially flows through the spraying absorption region and the liquid and dust removing region and then is discharged out of the tower body from the outlet flue. The built-in double-chamber double-value wet type desulfurizing tower device has the advantages that higher emission standard requirements are met and operating and investment costs are reduced without changing the overall dimension of an existing desulfurizing tower and increasing spraying layers and land occupation of equipment.
Description
Technical field
The utility model relates to flue gas purifying equipment, particularly SO in a kind of flue gas
2The desulfurizing tower device that removes.
Background technology
Along with improving constantly that environment protection emission requires, the current limestone-gypsum spray wet absorption device that has built up has been difficult to reach 50mg/Nm
3Emission request.When particularly using high-sulfur coal (sulfur-bearing is 3%～5%), situation is more difficult.Currently used measure has only the outer stock tank of height, diameter or tower of continuous increasing desulfurizing tower and slurries circulation liquid-gas ratio etc.These measures have not only strengthened up-front investment, have increased floor space, have also increased operating cost simultaneously.
Summary of the invention
Problem to be solved in the utility model just provides a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus, do not change the appearance and size of existing desulfurizing tower, do not increase spraying layer quantity, not under the situation that additionally increase equipment takes up an area of, reach more up to the requirement of mark discharge standard, reduced operating cost and cost of investment.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus, comprise tower body, described tower body is provided with inlet flue duct and exhaust pass, be provided with two slurries districts, chamber in the described tower body, spray the uptake zone and remove the liquid dedusting area, top, two slurries district, chamber is located in described spray uptake zone, described being located at except the liquid dedusting area sprays the top, uptake zone, described inlet flue duct is located between two slurries districts, chamber and the spray uptake zone, described exhaust pass is located at except liquid dedusting area top, flue gas enters tower body from inlet flue duct, flows through successively to spray the uptake zone and except the liquid dedusting area, discharge tower body from exhaust pass then.
Further, slurries district, described pair of chamber comprises with dividing plate and is separated to form separate left chamber and right ventricle, described dividing plate extends upwardly to the spray uptake zone, described dividing plate is left passage with the left chamber of corresponding connection, space that the tower body sidewall surrounds, described dividing plate is right passage with the corresponding connection right ventricle, space that the tower body sidewall surrounds, described inlet flue duct and left channel connection.
Further, described spray uptake zone comprises low pH value spray cooling and absorbing unit and high pH value spray absorptive unit, described low pH value spray absorptive unit is fixed in the left passage, described high pH value spray absorptive unit is fixed on the dividing plate top and covers left passage and right passage, described high pH value spray absorptive unit below is provided with the turbulent flow liquid collector that left passage is covered, and described turbulent flow liquid collector is fixed on the top of dividing plate or is fixed on the top of dividing plate.
Further, described turbulent flow liquid collector is the liquid collecting plate that is obliquely installed, the ring sidepiece of described liquid collecting plate is connected with the dividing plate that surrounds left passage and tower body sidewall, and described liquid collecting plate is inclined upwardly from liquid collecting plate and dividing plate junction, and described liquid collecting plate is provided with the through hole for the flue gas circulation.
Further, the setting angle of described liquid collecting plate is 3 °～30 °, and the perforate aperture of described liquid collecting plate is 10～50mm, and the percent opening of described liquid collecting plate is 40%～70%.
Further, described turbulent flow liquid collector is eccentric funnel, and the upper end of described eccentric funnel is connected with the tower body sidewall, and the lower end of described eccentric funnel and right channel connection, described eccentric funnel are provided with the through hole corresponding with left passage.
Further, be provided with tapered protrusion protruding upward with the through hole corresponding position on the described turbulent flow liquid collector, described through hole runs through turbulent flow liquid collector and tapered protrusion.The slurries that make high pH value to right passage, are not influenced the flue gas circulation by liquid collecting simultaneously.
Further, described low pH value spray cooling and absorbing unit and high pH value spray absorptive unit include spray equipment and are located at the flue gas even distribution grid of spray equipment below, described flue gas even distribution grid is made up of some horizontally disposed rods, the cross sectional shape of described rod be pears shape or lageniform and rod cross section big end down, small end is last, the spacing of described rod equates.The flue gas even distribution grid has played effect uniform and that accelerate to flue gas.
Further, be provided with the slurry circulating pump that is communicated with the spray equipment of low pH value spray cooling and absorbing unit in the described left chamber, be provided with the slurry circulating pump that is communicated with the spray equipment of high pH value spray cooling and absorbing unit in the described right ventricle, be equipped with oxidation unit and agitating device in described left chamber and the right ventricle, described dividing plate is provided with the overflow ducts that is communicated with left chamber and right ventricle.
Further, the described liquid dedusting area of removing comprises mechanical liquid removing device and/or the wet-esp device that is fixed in the tower body.
After adopting technique scheme, the utlity model has following advantage: adopt the double-deck score value control principle in different chamber, solved that taking of original desulfurizing tower place is big, equipment investment cost and the high difficulty of operating cost, guaranteed emission compliance simultaneously.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of liquid collecting plate and tower body;
Fig. 3 is the structural representation of eccentric funnel and tower body;
Fig. 4 is the structural representation of tapered protrusion;
Fig. 5 is the structural representation of flue gas even distribution grid.
The specific embodiment
Embodiment one:
As Fig. 1,2,4 and 5 are depicted as first kind of embodiment of the utility model, a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus, comprise tower body 1, described tower body is provided with inlet flue duct 11 and exhaust pass 12, be provided with two slurries districts, chamber 2 in the described tower body, spray uptake zone 3 and remove liquid dedusting area 4, top, two slurries district, chamber is located in described spray uptake zone, described being located at except the liquid dedusting area sprays the top, uptake zone, described inlet flue duct is located between two slurries districts, chamber and the spray uptake zone, described exhaust pass is located at except liquid dedusting area top, flue gas enters tower body from inlet flue duct, flows through successively to spray the uptake zone and except the liquid dedusting area, discharge tower body from exhaust pass then.Slurries district, described pair of chamber comprises with dividing plate 20 and is separated to form separate left chamber 21 and right ventricle 22, described dividing plate extends upwardly to the spray uptake zone, described dividing plate is left passage 211 with the left chamber of corresponding connection, space that the tower body sidewall surrounds, described dividing plate is right passage 221, described inlet flue duct and left channel connection with the corresponding connection right ventricle, space that the tower body sidewall surrounds.Described spray uptake zone comprises low pH value spray cooling and absorbing unit 31 and high pH value spray absorptive unit 32, described low pH value spray absorptive unit is fixed in the left passage, described high pH value spray absorptive unit is fixed on the dividing plate top and covers left passage and right passage, described high pH value spray absorptive unit below is provided with the turbulent flow liquid collector 33 that left passage is covered, and described turbulent flow liquid collector is fixed on the top of dividing plate or is fixed on the top of dividing plate.
Described low pH value spray cooling and absorbing unit and high pH value spray absorptive unit include spray equipment 34 and are located at the flue gas even distribution grid 35 of spray equipment below, described flue gas even distribution grid is made up of some horizontally disposed rods 351, the cross sectional shape of described rod be pears shape or lageniform and rod cross section big end down, small end is last, the spacing of described rod equates.Be provided with the slurry circulating pump 5 that is communicated with the spray equipment of low pH value spray cooling and absorbing unit in the described left chamber, be provided with the slurry circulating pump that is communicated with the spray equipment of high pH value spray cooling and absorbing unit in the described right ventricle, be equipped with oxidation unit 6 and agitating device 7 in described left chamber and the right ventricle, described dividing plate is provided with the overflow ducts 201 that is communicated with left chamber and right ventricle.The described liquid dedusting area of removing comprises mechanical liquid removing device and/or the wet-esp device 41 that is fixed in the tower body, and we can arrange flusher at mechanical liquid removing device and/or wet-esp device.
In the present embodiment, described turbulent flow liquid collector is the liquid collecting plate 331 that is obliquely installed, the ring sidepiece of described liquid collecting plate is connected with the dividing plate that surrounds left passage and tower body sidewall, and described liquid collecting plate is inclined upwardly from liquid collecting plate and dividing plate junction, and described liquid collecting plate is provided with the through hole 330 for the flue gas circulation.The setting angle of described liquid collecting plate is 3 °～30 °, and the perforate aperture of described liquid collecting plate is 10～50mm, and the percent opening of described liquid collecting plate is 40%～70%.
Embodiment two:
As shown in Figure 3, present embodiment and embodiment one are similar, and difference is, described turbulent flow liquid collector is eccentric funnel 332, the upper end of described eccentric funnel is connected with the tower body sidewall, and the lower end of described eccentric funnel and right channel connection, described eccentric funnel are provided with the through hole corresponding with left passage.
In above-mentioned two embodiment, be provided with tapered protrusion protruding upward 333 with the through hole corresponding position on the described turbulent flow liquid collector in addition, described through hole runs through turbulent flow liquid collector and tapered protrusion.
The slurry pH value of left chamber and right ventricle is controlled by the fresh absorbent of outer confession in the utility model.Chamber, left side pH value is generally controlled between 4～4.5, is conducive to the oxidation of calcium sulfite.The pH of right ventricle value is generally controlled between 6.0～6.8, is conducive to SO
2Absorption.The slurry pH value control of chamber, a left side and right ventricle is different, can reduce the liquid-gas ratio of two spray unit according to these characteristics, reduces operating cost.
The spray uptake zone is that two separate circulated sprinkling absorptive units are formed, i.e. high pH value spray efficient absorption unit and low pH value spray cooling and absorbing unit.Two unit are delivered to corresponding unit from the right ventricle in slurries district, two chamber and left chamber with the slurries of different pH values by slurry circulating pump respectively and spray.Below high pH value spray efficient absorption unit and low pH value spray cooling and absorbing unit, be equipped with the flue gas even distribution grid.After flue gas enters from inlet flue duct, through even and violent the mixing of low pH value slurries under with spray behind the flue gas even distribution grid below the low pH value spray cooling and absorbing unit.Flue gas is after this section zone is by the slurries absorbing, cooling, and flue gas enters into high pH value spray efficient absorption unit with about about 50 ℃ saturation temperature.The flue gas even distribution grid utilizes bionic principle, and namely imitative nature water droplet shape is made, and this installs under the dual souring of flue gas and slurries, can avoid fouling.Top, low pH value spray cooling and absorbing unit is provided with the turbulent flow liquid collector.This device upper side has the liquid collecting function, and have a lot of apertures on the whole device, its effect be make flue gas smoothly by and increase its turbulent extent and collect slurries that high pH value spray unit spray gets off and by the slurries decline passway to the right ventricle in two slurries districts, chamber.Flue gas by behind the turbulent flow liquid collector again after too high pH value sprays flue gas even distribution grid under the efficient absorption unit with spray under even and violent the mixing of high pH value slurries.Flue gas is further absorbed by the slurries of high pH in this section zone, the final SO that guarantees in the discharging flue gas
2＜50mg/Nm
3
Except the liquid dedusting area is located at the top of tower, flue gas can produce through the uptake zone time and carry secretly, the part slurries are taken away, through efficient during except the liquid dedusting area by machinery inertial effect or the charged effect of particle, most of slurries of carrying secretly in the flue gas are retained down.
Except above preferred embodiment, the utility model also has other embodiment, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (10)
1. one kind built-in pair chamber diadic wet type desulfurizing tower apparatus, comprise tower body (1), described tower body is provided with inlet flue duct (11) and exhaust pass (12), it is characterized in that: be provided with two slurries districts, chamber (2) in the described tower body, spray uptake zone (3) and remove liquid dedusting area (4), top, two slurries district, chamber is located in described spray uptake zone, described being located at except the liquid dedusting area sprays the top, uptake zone, described inlet flue duct is located between two slurries districts, chamber and the spray uptake zone, described exhaust pass is located at except liquid dedusting area top, flue gas enters tower body from inlet flue duct, flow through successively and spray the uptake zone and except the liquid dedusting area, discharge tower body from exhaust pass then.
2. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 1, it is characterized in that: slurries district, described pair of chamber comprises with dividing plate (20) and is separated to form separate left chamber (21) and right ventricle (22), described dividing plate extends upwardly to the spray uptake zone, described dividing plate is left passage (211) with the left chamber of corresponding connection, space that the tower body sidewall surrounds, described dividing plate is right passage (221), described inlet flue duct and left channel connection with the corresponding connection right ventricle, space that the tower body sidewall surrounds.
3. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 2, it is characterized in that: described spray uptake zone comprises low pH value spray cooling and absorbing unit (31) and high pH value spray absorptive unit (32), described low pH value spray absorptive unit is fixed in the left passage, described high pH value spray absorptive unit is fixed on the dividing plate top and covers left passage and right passage, described high pH value spray absorptive unit below is provided with the turbulent flow liquid collector (33) that left passage is covered, and described turbulent flow liquid collector is fixed on the top of dividing plate or is fixed on the top of dividing plate.
4. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 3, it is characterized in that: described turbulent flow liquid collector is the liquid collecting plate (331) that is obliquely installed, the ring sidepiece of described liquid collecting plate is connected with the dividing plate that surrounds left passage and tower body sidewall, described liquid collecting plate is inclined upwardly from liquid collecting plate and dividing plate junction, and described liquid collecting plate is provided with the through hole (330) for the flue gas circulation.
5. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 4, it is characterized in that: the setting angle of described liquid collecting plate is 3 °～30 °, and the perforate aperture of described liquid collecting plate is 10～50mm, and the percent opening of described liquid collecting plate is 40%～70%.
6. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 3, it is characterized in that: described turbulent flow liquid collector is eccentric funnel (332), the upper end of described eccentric funnel is connected with the tower body sidewall, the lower end of described eccentric funnel and right channel connection, described eccentric funnel are provided with the through hole corresponding with left passage.
7. according to claim 4 or 6 described a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus, it is characterized in that: be provided with tapered protrusion protruding upward (333) with the through hole corresponding position on the described turbulent flow liquid collector, described through hole runs through turbulent flow liquid collector and tapered protrusion.
8. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 3, it is characterized in that: described low pH value spray cooling and absorbing unit and high pH value spray absorptive unit include spray equipment (34) and are located at the flue gas even distribution grid (35) of spray equipment below, described flue gas even distribution grid is made up of some horizontally disposed rods (351), the cross sectional shape of described rod be lageniform and the big end in rod cross section down, small end is last, the spacing of described rod equates.
9. according to claim 3 or 8 described a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus, it is characterized in that: be provided with the slurry circulating pump (5) that is communicated with the spray equipment of low pH value spray cooling and absorbing unit in the described left chamber, be provided with the slurry circulating pump that is communicated with the spray equipment of high pH value spray cooling and absorbing unit in the described right ventricle, be equipped with oxidation unit (6) and agitating device (7) in described left chamber and the right ventricle, described dividing plate is provided with the overflow ducts (201) that is communicated with left chamber and right ventricle.
10. a kind of built-in pair of chamber diadic wet type desulfurizing tower apparatus according to claim 1 is characterized in that: describedly comprise mechanical liquid removing device and/or the wet-esp device (41) that is fixed in the tower body except the liquid dedusting area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611163 CN203155075U (en) | 2012-11-16 | 2012-11-16 | Built-in double-chamber double-value wet type desulfurizing tower device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220611163 CN203155075U (en) | 2012-11-16 | 2012-11-16 | Built-in double-chamber double-value wet type desulfurizing tower device |
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| Publication Number | Publication Date |
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| CN203155075U true CN203155075U (en) | 2013-08-28 |
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| CN 201220611163 Expired - Lifetime CN203155075U (en) | 2012-11-16 | 2012-11-16 | Built-in double-chamber double-value wet type desulfurizing tower device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974210A (en) * | 2012-11-16 | 2013-03-20 | 浙江浙大海元环境科技有限公司 | Built-in double-chamber double-value wet type desulfurizing tower device |
| CN110465175A (en) * | 2018-05-10 | 2019-11-19 | 中国石油化工股份有限公司 | Flue-gas dust-removing and desulfurization tower and flue gas ash removal, desulfurization and wastewater treatment method |
-
2012
- 2012-11-16 CN CN 201220611163 patent/CN203155075U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974210A (en) * | 2012-11-16 | 2013-03-20 | 浙江浙大海元环境科技有限公司 | Built-in double-chamber double-value wet type desulfurizing tower device |
| CN110465175A (en) * | 2018-05-10 | 2019-11-19 | 中国石油化工股份有限公司 | Flue-gas dust-removing and desulfurization tower and flue gas ash removal, desulfurization and wastewater treatment method |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |