CN205127723U - High -efficient doublestage subregion sprays desulfurizing tower - Google Patents

High -efficient doublestage subregion sprays desulfurizing tower Download PDF

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Publication number
CN205127723U
CN205127723U CN201520969052.XU CN201520969052U CN205127723U CN 205127723 U CN205127723 U CN 205127723U CN 201520969052 U CN201520969052 U CN 201520969052U CN 205127723 U CN205127723 U CN 205127723U
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China
Prior art keywords
slurries
spraying layer
level
plate
tower
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CN201520969052.XU
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Chinese (zh)
Inventor
吴亚军
高永贵
王礼春
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江苏广鸿环境工程有限公司
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Priority to CN201520969052.XU priority Critical patent/CN205127723U/en
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Publication of CN205127723U publication Critical patent/CN205127723U/en

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Abstract

The utility model provides a high -efficient doublestage subregion sprays desulfurizing tower, it includes the tower body, has set gradually one -level circulation desulfurization district and second grade circulation desulfurization district between flue gas inlet and the exhanst gas outlet, and is provided with the gas -liquid separation subassembly between one -level circulation desulfurization district and the second grade circulation desulfurization district, is provided with in the one -level circulation desulfurization district that the one -level thick liquid sprays layer and two blocks of desulfurization increase boards, the gas -liquid separation subassembly includes toper gas flow pipe, thick liquid recovery board, thick liquid backward flow board and thick liquid recovery tube, the utility model discloses the thick liquid that can make the flue gas and spray the layer carries out more abundant contact reaction, improves desulfurization effect, simultaneously, the utility model discloses a gas -liquid separation subassembly design is more ingenious reasonable, through the toper gas flow pipe that sets up big end down, can further improve the recovery effect of thick liquid, and the gaseous trafficability performance of reinforcing improves desulfurization effect.

Description

A kind of efficient twin-stage subregion spray desulfurizing tower

Technical field

The utility model relates to a kind of desulfurizer, is specially a kind of efficient twin-stage subregion spray desulfurizing tower, belongs to flue gas desulfurization technique field.

Background technology

Along with the raising of industrial expansion and people's living standard, also constantly increase craving for of the energy, the SO2 in coal-fired flue-gas has become the main cause of atmosphere pollution.Reduce SO2 and pollute the task of top priority having become current atmospheric environment and administered.Many flue gas desulfurization techniques are extensive use in the industry, and it also has important practical significance to the improvement of all kinds of boiler and tail gas from incinerator.Flue gas desulfurization (FGD) is industrial trade large-scale application, effective sulfur method.According to the form of sulphur compound absorbent and byproduct, desulfur technology can be divided into dry method, semidry method and wet method three kinds.Dry desulfurizing process mainly utilizes the SO2 in solid absorbent removal flue gas, generally limestone fines is sprayed in burner hearth, makes its decomposes become CaO, absorb the SO2 in flue gas, generate CaSO3, collect or discharge through chimney together with flying dust at deduster.Wet process of FGD adopts the gas liquid reaction of liquid-absorbant under ionic conditions, and then remove the SO2 in flue gas, and system device therefor is simple, and stable and reliable operation, desulfuration efficiency is high.The great advantage of dry desulfurization is the discharge without waste water, spent acid in administering, and decreases secondary pollution; Shortcoming is that desulfuration efficiency is low, and equipment is huge.Wet desulphurization adopts liquid-absorbant washing flue gas to remove SO2, and device therefor is fairly simple, processing ease, and desulfuration efficiency is high; But flue gas after desulfurization temperature is lower, comparatively dry method is serious in the corrosion of equipment.Wet process of FGD is the dominant technology of current large coal-fired power plant flue gas desulfurization.Absorption tower is the nucleus equipment of WFGD system.The method for designing on Current Domestic absorption tower designs according to the technical specification of introducing technology, and method for designing is stiff and easily cause waste.Therefore need to be optimized existing design, reach the object reducing desulfurizing tower investment and operating cost.

For solving above technical problem, the utility model provides a kind of efficient twin-stage subregion spray desulfurizing tower, it is by arranging desulfurization synergistic plate, and the slurries of flue gas and spraying layer can be made to carry out haptoreaction more fully, improves desulfurized effect, simultaneously, gas-liquid separation component design of the present utility model is more rationally ingenious, by arranging up-small and down-big conical gas runner pipe, can improve the recovering effect of slurries further, strengthen the trafficability performance of gas, improve desulfurized effect.

Summary of the invention

For above-mentioned situation, for solving the defect of prior art, the object of the utility model just there is provided a kind of efficient twin-stage subregion spray desulfurizing tower, it comprises tower body, the below of tower body is provided with gas approach, the top of described tower body is provided with exhanst gas outlet, the below of described exhanst gas outlet is provided with tower top demister, primary cycle desulfurization zone and secondary cycle desulfurization zone is disposed with between described gas approach and described exhanst gas outlet, and be provided with gas-liquid separation assembly between described primary cycle desulfurization zone and described secondary cycle desulfurization zone, it is characterized in that, one-level slurries spraying layer and two blocks of desulfurization synergistic plates are provided with in described primary cycle desulfurization zone, two blocks of described desulfurization synergistic plates are separately positioned on the two ends of described one-level slurries spraying layer, desulfurization synergistic plate is provided with uniform manhole, and be in the desulfurization synergistic plate on one-level slurries spraying layer top manhole and be in one-level slurries spraying layer bottom desulfurization synergistic plate manhole between interlaced setting, the diameter of described manhole is 30-50mm, described gas-liquid separation assembly comprises conical gas runner pipe, slurries reclaim plate, slurry reflux plate and slurries recovery tube, wherein, described conical gas runner pipe is arranged on described primary cycle desulfurization zone and secondary cycle desulfurization zone through described slurry reflux plate, and the small end face of conical gas runner pipe is arranged upward, the inside being arranged on described tower body that described slurry reflux plate tilts, and the slurry reflux plate being in least significant end is connected with described slurries recovery tube, described slurries recovery tube through after described tower body with ft connection, it is umbrella-shaped structure that described slurries reclaim plate, and be arranged on the top of described conical gas runner pipe, secondary slurries spraying layer is provided with in described secondary cycle desulfurization zone, described slurries reclaim between plate and described secondary slurries spraying layer and are provided with flue gas flow equalizing plate, described flue gas flow equalizing plate is provided with uniform pore.

Further, as preferably, described one-level slurries spraying layer is communicated with one-level slurry circulation case, and is provided with one-level slurry circulating pump between described one-level slurries spraying layer and described one-level slurry circulation case.

Further, as preferably, the bottom of described primary cycle desulfurization zone is also provided with division board, and the side of described division board is Water spray district, and the opposite side of described division board is zoneofoxidation, is provided with oxygen spray pipe in described zoneofoxidation.

Further, as preferably, described secondary slurries spraying layer is communicated with secondary slurry circulation case, and is provided with secondary slurry circulating pump between described secondary slurries spraying layer and described secondary slurry circulation case.

The beneficial effects of the utility model:

The one that the utility model provides efficient twin-stage subregion spray desulfurizing tower, it is by arranging desulfurization synergistic plate, the slurries of flue gas and spraying layer can be made to carry out haptoreaction more fully, improve desulfurized effect, meanwhile, gas-liquid separation component design of the present utility model is more rationally ingenious, by arranging up-small and down-big conical gas runner pipe, the recovering effect of slurries can be improved further, strengthen the trafficability performance of gas, improve desulfurized effect.

Accompanying drawing explanation

The one efficient twin-stage subregion spray desulfurizing tower structural representation that Fig. 1 provides for the utility model;

Wherein, 1, tower body, 2, gas approach, 3, exhanst gas outlet, 4, tower top demister, 5, primary cycle desulfurization zone, 6, secondary cycle desulfurization zone, 7, one-level slurries spraying layer, 8, secondary slurries spraying layer, 9, desulfurization synergistic plate, 10, manhole, 11, conical gas runner pipe, 12, slurries reclaim plate, 13, slurry reflux plate, 14, slurries recovery tube, 15, flue gas flow equalizing plate, 16, one-level slurry circulating pump, 17, division board, 18, oxygen spray pipe, 19, one-level slurry circulating pump, 20, one-level slurry circulation case, 21, secondary slurry circulation case.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described further.

As shown in Figure 1, the utility model provides a kind of efficient twin-stage subregion spray desulfurizing tower, it comprises tower body 1, the below of tower body is provided with gas approach 2, the top of described tower body is provided with exhanst gas outlet 3, the below of described exhanst gas outlet 3 is provided with tower top demister 4, primary cycle desulfurization zone 5 and secondary cycle desulfurization zone 6 is disposed with between described gas approach 2 and described exhanst gas outlet 3, and be provided with gas-liquid separation assembly between described primary cycle desulfurization zone 5 and described secondary cycle desulfurization zone 6, one-level slurries spraying layer 7 and two blocks of desulfurization synergistic plates 9 are provided with in described primary cycle desulfurization zone 5, two blocks of described desulfurization synergistic plates 9 are separately positioned on the two ends of described one-level slurries spraying layer 7, desulfurization synergistic plate 9 is provided with uniform manhole 10, and be in the desulfurization synergistic plate 9 on one-level slurries spraying layer 7 top manhole 10 and be in one-level slurries spraying layer 7 bottom desulfurization synergistic plate 9 manhole 10 between interlaced setting, the diameter of described manhole 10 is 30-50mm, described gas-liquid separation assembly comprises conical gas runner pipe 11, slurries reclaim plate 12, slurry reflux plate 13 and slurries recovery tube 14, wherein, described conical gas runner pipe 11 is arranged on described primary cycle desulfurization zone 5 and secondary cycle desulfurization zone 6 through described slurry reflux plate 12, and the small end face of conical gas runner pipe 11 is arranged upward, the inside being arranged on described tower body 1 that described slurry reflux plate 13 tilts, and the slurry reflux plate 13 being in least significant end is connected with described slurries recovery tube 14, described slurries recovery tube 14 is rear and ft connection through described tower body 1, it is umbrella-shaped structure that described slurries reclaim plate 13, and be arranged on the top of described conical gas runner pipe 11, secondary slurries spraying layer 8 is provided with in described secondary cycle desulfurization zone, described slurries reclaim between plate and described secondary slurries spraying layer and are provided with flue gas flow equalizing plate 15, described flue gas flow equalizing plate 15 is provided with uniform pore.

In the present embodiment, described one-level slurries spraying layer is communicated with one-level slurry circulation case 20, and is provided with one-level slurry circulating pump 16 between described one-level slurries spraying layer and described one-level slurry circulation case 20.The bottom of described primary cycle desulfurization zone is also provided with division board 17, and the side of described division board 17 is Water spray district, and the opposite side of described division board 17 is zoneofoxidation, is provided with oxygen spray pipe 18 in described zoneofoxidation.Described secondary slurries spraying layer is communicated with secondary slurry circulation case 21, and is provided with secondary slurry circulating pump 19 between described secondary slurries spraying layer and described secondary slurry circulation case.

The utility model is by arranging desulfurization synergistic plate, the slurries of flue gas and spraying layer can be made to carry out haptoreaction more fully, improve desulfurized effect, simultaneously, gas-liquid separation component design of the present utility model is more rationally ingenious, by arranging up-small and down-big conical gas runner pipe, can improve the recovering effect of slurries further, strengthen the trafficability performance of gas, improve desulfurized effect.

Claims (4)

1. an efficient twin-stage subregion spray desulfurizing tower, it comprises tower body, the below of tower body is provided with gas approach, the top of described tower body is provided with exhanst gas outlet, the below of described exhanst gas outlet is provided with tower top demister, primary cycle desulfurization zone and secondary cycle desulfurization zone is disposed with between described gas approach and described exhanst gas outlet, and be provided with gas-liquid separation assembly between described primary cycle desulfurization zone and described secondary cycle desulfurization zone, it is characterized in that, one-level slurries spraying layer and two blocks of desulfurization synergistic plates are provided with in described primary cycle desulfurization zone, two blocks of described desulfurization synergistic plates are separately positioned on the two ends of described one-level slurries spraying layer, desulfurization synergistic plate is provided with uniform manhole, and be in the desulfurization synergistic plate on one-level slurries spraying layer top manhole and be in one-level slurries spraying layer bottom desulfurization synergistic plate manhole between interlaced setting, the diameter of described manhole is 30-50mm, described gas-liquid separation assembly comprises conical gas runner pipe, slurries reclaim plate, slurry reflux plate and slurries recovery tube, wherein, described conical gas runner pipe is arranged on described primary cycle desulfurization zone and secondary cycle desulfurization zone through described slurry reflux plate, and the small end face of conical gas runner pipe is arranged upward, the inside being arranged on described tower body that described slurry reflux plate tilts, and the slurry reflux plate being in least significant end is connected with described slurries recovery tube, described slurries recovery tube through after described tower body with ft connection, it is umbrella-shaped structure that described slurries reclaim plate, and be arranged on the top of described conical gas runner pipe, secondary slurries spraying layer is provided with in described secondary cycle desulfurization zone, described slurries reclaim between plate and described secondary slurries spraying layer and are provided with flue gas flow equalizing plate, described flue gas flow equalizing plate is provided with uniform pore.
2. one according to claim 1 efficient twin-stage subregion spray desulfurizing tower, it is characterized in that, described one-level slurries spraying layer is communicated with one-level slurry circulation case, and is provided with one-level slurry circulating pump between described one-level slurries spraying layer and described one-level slurry circulation case.
3. the efficient twin-stage subregion of the one according to claim 1-2 any one spray desulfurizing tower, it is characterized in that, the bottom of described primary cycle desulfurization zone is also provided with division board, the side of described division board is Water spray district, the opposite side of described division board is zoneofoxidation, is provided with oxygen spray pipe in described zoneofoxidation.
4. one according to claim 2 efficient twin-stage subregion spray desulfurizing tower, it is characterized in that, described secondary slurries spraying layer is communicated with secondary slurry circulation case, and is provided with secondary slurry circulating pump between described secondary slurries spraying layer and described secondary slurry circulation case.
CN201520969052.XU 2015-11-27 2015-11-27 High -efficient doublestage subregion sprays desulfurizing tower CN205127723U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106000026A (en) * 2016-05-18 2016-10-12 董尊久 Wet flue gas desulfurization device adopting series connection
CN107158921A (en) * 2017-07-10 2017-09-15 北京青山绿野环保科技有限公司 A kind of ultra-clean exhaust system of coal burning flue gas desulfurization dedusting
CN107469609A (en) * 2017-09-06 2017-12-15 杭州小橙工业设计有限公司 A kind of full-automatic desulphurization system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106000026A (en) * 2016-05-18 2016-10-12 董尊久 Wet flue gas desulfurization device adopting series connection
CN107158921A (en) * 2017-07-10 2017-09-15 北京青山绿野环保科技有限公司 A kind of ultra-clean exhaust system of coal burning flue gas desulfurization dedusting
CN107469609A (en) * 2017-09-06 2017-12-15 杭州小橙工业设计有限公司 A kind of full-automatic desulphurization system
CN107469609B (en) * 2017-09-06 2019-03-29 秦皇岛市清青环保设备有限公司 A kind of full-automatic desulphurization system

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Granted publication date: 20160406

Termination date: 20171127