WO2016035392A1 - 脱硫装置 - Google Patents
脱硫装置 Download PDFInfo
- Publication number
- WO2016035392A1 WO2016035392A1 PCT/JP2015/064382 JP2015064382W WO2016035392A1 WO 2016035392 A1 WO2016035392 A1 WO 2016035392A1 JP 2015064382 W JP2015064382 W JP 2015064382W WO 2016035392 A1 WO2016035392 A1 WO 2016035392A1
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- WIPO (PCT)
- Prior art keywords
- liquid
- absorption
- liquid reservoir
- absorption tower
- reservoir
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1481—Removing sulfur dioxide or sulfur trioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/12—Methods and means for introducing reactants
- B01D2259/124—Liquid reactants
Definitions
- the present invention relates to a desulfurization apparatus provided in an oxyfuel combustion apparatus.
- An air combustion system has generally been adopted for conventional pulverized coal boilers.
- the exhaust gas discharged from the pulverized coal boiler contains sulfur dioxide (SO 2 ). Therefore, a desulfurization device is provided downstream of the pulverized coal boiler, and the sulfur dioxide (SO 2 ) in the exhaust gas is provided by this desulfurization device.
- the desulfurization was performed so that the concentration of the slag became below a predetermined value.
- a wet desulfurization apparatus called a limestone gypsum method has generally been adopted as a desulfurization apparatus provided in a conventional pulverized coal boiler.
- gypsum CaSO 4
- SO 2 sulfur dioxide
- CaCO 3 liquid containing limestone
- the exhaust gas contains sulfur dioxide derived from coal in addition to the main carbon dioxide, it is necessary to remove this sulfur dioxide by a desulfurization apparatus. That is, the exhaust gas discharged from the oxy-combustion pulverized coal boiler is liquefied by carbon dioxide by being led to a downstream carbon dioxide recovery device and compressed and cooled, but if the exhaust gas contains sulfur dioxide, Sulfur dioxide liquefies during cooling and becomes sulfuric acid, which may corrode components of the carbon dioxide recovery device. For this reason, it is necessary to reduce the concentration of sulfur dioxide remaining in the exhaust gas as much as possible by treating the exhaust gas from the oxyfuel pulverized coal boiler with a desulfurization apparatus.
- Patent Document 1 exhaust gas is introduced into an absorption tower provided with a spray part, and an absorption liquid injected by the spray part is brought into contact with the exhaust gas, and the absorption liquid is recovered at a lower part of the absorption tower.
- the liquid reservoir is provided so as to surround the lower part of the absorption tower. Furthermore, a seal tube having a lower end extending to a position approaching the inner bottom of the liquid reservoir is formed at the lower part of the absorption tower, and the interior of the liquid reservoir is partitioned by the seal tube.
- the liquid reservoir is provided with a stirrer that stirs the absorption liquid inside the liquid reservoir. The stirrer stirs the limestone particles inside the absorption liquid, and the absorption liquid in the liquid reservoir.
- the seal tube is swung along the outer circumferential surface. Further, an air supply pipe is provided in the vicinity of the stirrer to blow oxidizing air into the absorbent.
- Patent Document 1 since the inside of the liquid reservoir is partitioned into the inside and the outside of the seal tube, the oxidizing air blown into the absorbent in the liquid reservoir by the air supply pipe is The inside of the absorbing liquid between the outer surface and the inner surface of the liquid reservoir rises. Therefore, the oxidation air is prevented from going to the inside of the seal tube, and the problem that the oxidation air is mixed with the exhaust gas inside the absorption tower is prevented.
- the desulfurization apparatus has a problem that a large amount of gypsum adheres to the inner surface of the absorption tower, the inner surface of the liquid reservoir, and the spray portion. Therefore, the desulfurization apparatus periodically stops its operation, removes the attached gypsum, and performs maintenance work such as inspecting the occurrence of corrosion and repairing necessary portions.
- maintenance work of the desulfurization equipment after removing all of the absorption liquid in the liquid reservoir, a scaffold is assembled inside the liquid reservoir and the absorption tower, and the inner surface of the liquid reservoir and the inner surface of the absorption tower and further to the spray part are assembled. Work to remove adhering gypsum.
- the inner surface of the liquid reservoir, the inner surface of the absorption tower, and the corrosion state of the spray section are inspected, and repair work is performed where necessary.
- the present invention has been made in view of the above circumstances, and can be partitioned so that the oxidizing air blown into the liquid reservoir is not mixed with the exhaust gas of the absorption tower with a simple configuration, and maintenance of the desulfurization apparatus.
- An object of the present invention is to provide a desulfurization apparatus that can easily perform the work.
- the present invention relates to an absorption tower for introducing exhaust gas from an oxyfuel combustion apparatus, a spray part, a liquid reservoir part for storing an absorption liquid injected from the spray part and in contact with the exhaust gas, and an absorption liquid in the liquid reservoir part.
- a stirrer that swirls in the circumferential direction and agitated, and an air supply pipe that blows air for oxidation into the absorption liquid in the liquid reservoir, Between the spray part and the liquid reservoir part of the absorption tower, it has a hollow frustoconical shape with a downward slope from the outer periphery toward the center, and the opening at the lower end of the center is inside the absorption liquid of the liquid reservoir part
- the liquid collecting plate is formed by a divided plate divided into a plurality in the circumferential direction, and an outer upper end portion of each divided plate is supported by a locking portion provided on an inner surface of the absorption tower via a hook portion.
- the inner lower end of the slag is related to a desulfurization device supported by a support fixed to the bottom of the liquid reservoir.
- a reinforcing frame extending in a radial direction is fixed to each of the divided plates, and an insertion portion formed at a lower end of the reinforcing frame extending from an inner lower end of each divided plate is an upper end of the support column. It is preferable to be inserted and supported.
- the absorbing liquid sprayed from the spray part is swirled in the same direction as the swirling direction of the absorbing liquid in the liquid reservoir by the stirrer and led to the opening. It is preferable to provide a liquid guiding convex portion.
- the desulfurization apparatus of the present invention it is possible to partition the oxidizing air blown into the liquid reservoir portion with a liquid collecting plate having a simple structure so as not to be mixed with the exhaust gas of the absorption tower, By removing, it is possible to achieve an excellent effect that the maintenance work of the desulfurization apparatus can be easily performed.
- FIG. 1 is an overall schematic side view showing an embodiment of a desulfurization apparatus of the present invention applied to a coal oxyfuel boiler that is an oxyfuel combustion apparatus. It is the schematic side view which expanded and showed a part of FIG.
- FIG. 2B is a plan view of FIG. 2A viewed from the IIB-IIB direction. It is sectional drawing which shows an example of the attachment structure of the reinforcement frame with respect to a division board. It is sectional drawing which shows the other example of the attachment structure of the reinforcement frame with respect to a division board. It is sectional drawing which shows the state which fixed the liquid introduction plate as a liquid introduction convex part on the upper surface of a division plate. It is a top view which shows the case where the liquid introduction board as a liquid introduction convex part provided in the upper surface of a liquid collection board is made into the shape different from FIG.
- FIG. 1 shows an embodiment of a desulfurization apparatus (wet desulfurization apparatus) of the present invention applied to a coal oxyfuel boiler as an oxyfuel combustion apparatus.
- a desulfurization apparatus wet desulfurization apparatus
- Reference numeral 3 denotes an absorbent stored in the liquid reservoir 2.
- An exhaust gas inlet 5 for introducing exhaust gas 4 from a coal oxyfuel combustion boiler (not shown) is formed on the side wall above the liquid reservoir 2 in the absorption tower 1, and at the upper end of the absorption tower 1.
- An exhaust gas outlet 6 for leading the exhaust gas 4 is formed.
- a spray part 7 for injecting the absorbing liquid 3 a is provided above the exhaust gas inlet 5 in the absorption tower 1, and a mist eliminator 8 is provided above the spray part 7.
- the spray part 7 is supplied with the absorption liquid 3 of the liquid reservoir 2 by a circulation pump 9.
- a stirrer 10 is provided inside the circumferential direction of the liquid reservoir 2 to stir the limestone particles of the absorbent 3 so as not to precipitate.
- FIG. 2b the case where the three agitators 10 are provided so that the absorption liquid 3 may be stirred toward the same circumferential direction is shown.
- the absorptive liquid 3 in the liquid reservoir 2 is swung in a certain direction A1 by the agitator 10 directed in the same direction.
- an air supply pipe 11 for blowing oxidant air into the absorbent 3 is provided in the vicinity of the stirrer 10.
- the air supply pipe 11 is provided so that the oxidizing air blown from the air supply pipe 11 is sucked into the agitator 10 and dispersed inside the absorbing liquid 3.
- a liquid plate 13 is provided between the spray section 7 and the liquid reservoir section 2 of the absorption tower 1, so that the opening 12 at the lower end of the center of the liquid collecting plate 13 is located inside the absorbing liquid 3 of the liquid reservoir 2.
- the liquid collecting plate 13 is formed using a corrosion protection material such as stainless steel in order to prevent the problem of corrosion.
- the liquid collecting plate 13 is formed by a divided plate 13a divided into a plurality in the circumferential direction as shown in FIG. 2b.
- FIG. 2b the case where the liquid collecting plate 13 is divided into three in the circumferential direction to form three fan-shaped divided plates 13a is shown.
- a hook portion 14 extending in the arc direction and bent downward is formed at the outer upper end of each divided plate 13a, and an upwardly formed locking portion 15 is provided on the inner surface of the absorption tower 1.
- the outer upper end portion of each of the divided plates 13a is supported by the absorption tower 1 by being engaged with the locking portion 15 via the hook portion 14.
- a reinforcing frame 16 is fixed to one side 25a extending in the radial direction of the fan shape of each of the divided plates 13a.
- the reinforcing frame 16 is formed using a corrosion protection material such as stainless steel in order to prevent the problem of corrosion.
- the reinforcing frame 16 may have, for example, a rectangular cylindrical shape as shown in FIG. 3a, or may have a cylindrical shape as shown in FIG. 3b. There may be.
- the reinforcing frame 16 can be fixed to the dividing plate 13a by being arranged along one side 25a extending in the radial direction of the sector of the dividing plate 13a, and winding the one side 25a around the reinforcing frame 16 and welding.
- a column 17 is vertically fixed at the center of the bottom of the liquid reservoir 2, and the lower end of the reinforcing frame 16 is supported by the column 17. .
- a connecting member 18 for supporting the lower end of each reinforcing frame 16 provided on each divided plate 13 a on the column 17 is provided on the upper end of the column 17.
- the upper surface of the connecting member 18 is formed with an upper opening 20 for inserting an insertion portion 19 in which the lower end of the reinforcing frame 16 is bent vertically downward.
- a lower opening 21 into which the upper end of the column 17 is inserted is formed.
- a communication port 22 suitable for removing the gypsum solidified inside is formed inside the connecting member 18 by communicating the upper opening 20 and the lower opening 21.
- the communication port 22 communicates the upper opening 20 and the lower opening 21, but is formed so that the insertion positions of the insertion portion 19 and the column 17 can be regulated.
- the insertion portion 19 at the lower end of each reinforcing frame 16 provided in each divided plate 13a is inserted into and supported by the upper opening 20 of the connecting member 18 attached to the column 17.
- the insertion portion 19 of each reinforcing frame 16 may be supported by being directly inserted into an upper opening (not shown) provided in the support column 17.
- each divided plate 13a is placed on the upper side of the side 25a provided with the reinforcing frame 16, as shown in FIGS. 3a and 3b. It is supported by that.
- the absorbing liquid 3a sprayed from the spray part 7 is swirled by the agitator 10 in the same direction A1 as the swirling direction of the absorbing liquid 3 in the liquid storage part 2 and A liquid guiding convex portion 23 is provided so as to be guided to the opening 12.
- the liquid guide convex portion 23 can be a liquid guide plate 24 bent in an L-shaped cross section, and one side of the liquid guide plate 24 is welded to the upper surface of the liquid collecting plate 13. The other side is erected by fixing.
- the liquid guide plate 24 is formed using a corrosion protection material such as stainless steel in order to prevent the problem of corrosion.
- the liquid guide plate 24 constituting the liquid guide convex portion 23 has been described as having an L-shaped cross section. However, the liquid guide plate 24 protrudes from the upper surface of the liquid collecting plate 13 at a predetermined height to guide the absorbent 3 to the opening 12. If possible, it may have other shapes.
- the liquid guide plate 24 shown in FIG. 2b is configured so that the absorbing liquid 3a sprayed from the spray part 7 is swung in the same direction A2 as the direction A1 in which the absorbing liquid 3 of the liquid reservoir 2 swirls by the stirrer 10.
- 12 shows a curved plate having a curved shape.
- the liquid guide plate 24 swirls the absorbing liquid 3a ejected from the spray section 7 in the same direction A2 as the swirling direction of the absorbing liquid 3 in the liquid reservoir section 2 by the stirrer 10.
- the liquid guide plate 24 may be a linear liquid guide plate 24 ′ extending in a tangential direction with respect to the opening 12, as shown in FIG. 4.
- an air outlet 26 for taking out the oxidized air to the outside is provided.
- the hook portion 14 provided at the arcuate outer upper end portion of the divided plate 13 a divided into a plurality of parts, By engaging the locking portion 15 fixed to the inner surface of the absorption tower 1, the outer upper end portion of the dividing plate 13 a is supported by the absorption tower 1. Further, the connecting member 18 provided at the upper end of the support column 17 fixed to the bottom of the liquid reservoir 2 has an insertion portion 19 bent vertically downward at the lower end of the reinforcing frame 16 fixed to each of the divided plates 13a. Insert into the upper opening 20. Thereby, the inner lower end of the dividing plate 13 a is supported by the support column 17.
- the fan-shaped other side 25b of the dividing plate 13a (side not provided with the reinforcing frame 16) is placed on the upper side of the side 25a provided with the reinforcing frame 16, as shown in FIGS. 3a and 3b. It is supported by placing.
- the liquid collecting plate 13 By providing the liquid collecting plate 13 as described above, the upper inside of the absorption tower 1 and the inside of the liquid reservoir 2 are partitioned.
- Exhaust gas 4 from a coal oxyfuel combustion boiler (not shown) is introduced into the absorption tower 1 from the exhaust gas inlet 5 and comes into contact with the absorbing liquid 3a injected from the spray section 7 to collect exhaust gas dust and sulfur. It falls on the liquid collecting plate 13. At this time, the liquid collecting plate 13 only has to receive the absorbing liquid 3a ejected from the spray part 7 and guide it to the absorbing liquid 3a of the liquid reservoir 2 through the opening 12, so that a simple and lightweight configuration can be achieved.
- the absorbing liquid 3 dropped on the liquid collecting plate 13 is collected at the center by the liquid guiding plate 24 constituting the liquid guiding convex portion 23 provided on the upper surface of the liquid collecting plate 13, and the absorbing liquid 3a collected at the center is the liquid From the opening 12 buried in the absorbing liquid 3 of the reservoir 2, the liquid flows into the absorbing liquid 3 of the liquid reservoir 2.
- the liquid collecting plate 13 is guided to the opening 12 by being swung in the same direction A 2 as the direction A 1 in which the absorbing liquid 3 of the liquid reservoir 2 is swirled by the stirrer 10. Since the liquid guide convex portion 23 composed of 13 is provided, the absorbing liquid 3 that has fallen on the liquid collecting plate 13 turns and moves toward the opening 12.
- the absorption liquid 3 a on the upper side of the liquid collecting plate 13 is swung by the liquid collecting plate 13 and enters the absorption liquid 3 in the liquid reservoir 2 from the opening 12 and flows into the absorption liquid 3. Due to the flow of the liquid 3 a into the absorbing liquid 3, it is possible to prevent the oxidizing air blown from the air supply pipe 11 from moving toward the inner upper part of the absorption tower 1. Therefore, the problem of air mixing with the exhaust gas 4 mainly composed of carbon dioxide inside the absorption tower 1 is prevented.
- the other side 25b of the dividing plate 13a is only placed on the upper side of the one side 25a, but when the operation of the absorption tower 1 is started, the gap between the other side 25b and the one side 25a of the dividing plate 13a is Since it is immediately filled with gypsum, the air in the liquid reservoir 2 is prevented from leaking through the liquid collecting plate 13 to the upper part inside the absorption tower 1.
- the absorbing liquid 3a on the upper side of the liquid collecting plate 13 is swung in the same direction A2 as the swirling direction A1 of the absorbing liquid 3 by the stirrer 10 and enters the absorbing liquid 3 in the liquid reservoir 2 through the opening 12 and flows in. Therefore, the stirring effect of the absorption liquid 3 in the liquid reservoir 2 is enhanced.
- the oxidation effect of the sulfur dioxide of the absorption liquid 3 is enhanced by increasing the stirring effect of the absorption liquid 3.
- the absorption liquid 3 a on the upper side of the liquid collecting plate 13 swivels into the absorption liquid 3 in the liquid reservoir 2 while swirling from the opening 12 and flows in the vicinity of the column 17 that is the center of the liquid reservoir 2. The problem that limestone particles are precipitated can be prevented.
- the absorption liquid 3a flowing into the liquid reservoir 2 from the opening 12 rotates in the same direction A2 as the rotation direction A1 of the absorption liquid 3 by the stirrer 10, so that the rotation of the absorption liquid 3 by the stirrer 10 is assisted. Therefore, the load for stirring the absorbent 3 by the stirrer 10 is reduced.
- the dividing plate 13 a is formed by pulling the hook portion 14 from the locking portion 15 of the absorption tower 1 and pulling the insertion portion 19 formed at the lower end of the reinforcing frame 16 from the upper opening 20 of the connecting member 18. It can be easily removed. Further, since the connecting member 18 is formed with a communication port 22 that allows the upper opening 20 and the lower opening 21 to communicate with each other, even if gypsum solidifies in the upper opening 20 and the lower opening 21, the connecting member 18. The gypsum solidified inside can be easily removed.
- a scaffold is assembled along the inner surface of the absorption tower 1 where the dividing plate 13a is removed and flattened. Subsequently, the assembled scaffold is used to remove gypsum adhering to the inner surface of the liquid reservoir 2 and the inner surface of the absorption tower 1 and further to the spray portion 7. In addition, the inner surface of the liquid reservoir 2, the inner surface of the absorption tower 1, and the corrosion state of the spray portion 7 are inspected, and repair work is performed on necessary portions.
- the dividing plate 13a is configured to be removable, the inner surface of the absorption tower 1 becomes flat by removing the dividing plate 13a. Therefore, the assembling work for assembling the scaffolding on the inner surface of the absorption tower 1 is facilitated, and further, the gypsum removing work, the inspection of the corrosion state, and the repair work are facilitated. Therefore, the maintenance work of the desulfurization apparatus is reduced, and the cost required for the maintenance work can be greatly reduced.
- the desulfurization apparatus of this invention is not limited only to the above-mentioned Example, Of course, it can add various changes within the range which does not deviate from the summary of this invention.
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Abstract
Description
前記吸収塔の前記スプレ部と前記液溜部との間に、外周から中心へ向かって下り勾配の中空の截頭円錐形状を有し中心下端の開口が前記液溜部の吸収液の内部に位置する集液板を備え、
該集液板は、周方向へ複数に分割した分割板により形成され、各分割板の外側上端部は前記吸収塔の内面に設けた係止部にフック部を介して支持し、各分割板の内側下端部は前記液溜部の底部に固定された支柱に支持した脱硫装置、に係るものである。
2 液溜部
3 吸収液
3a 吸収液
4 排ガス
7 スプレ部
10 攪拌機
11 空気供給管
12 開口
13 集液板
13a 分割板
14 フック部
15 係止部
16 補強フレーム
17 支柱
18 連結部材
19 差込部
20 上側開口
23 導液凸部
Claims (4)
- 酸素燃焼装置からの排ガスを導入する吸収塔に、スプレ部と、該スプレ部から噴射されて排ガスと接触した吸収液を貯留する液溜部と、該液溜部の吸収液を周方向へ旋回させて撹拌する攪拌機と、前記液溜部の吸収液に酸化用の空気を吹き込む空気供給管を備え、
前記吸収塔の前記スプレ部と前記液溜部との間に、外周から中心へ向かって下り勾配の中空の截頭円錐形状を有し中心下端の開口が前記液溜部の吸収液の内部に位置する集液板を備え、
該集液板は、周方向へ複数に分割した分割板により形成され、各分割板の外側上端部は前記吸収塔の内面に設けた係止部にフック部を介して支持し、各分割板の内側下端部は前記液溜部の底部に固定された支柱に支持した脱硫装置。 - 前記集液板の上面には、前記スプレ部から噴射した吸収液を、前記攪拌機により前記液溜部の吸収液が旋回する方向と同一の方向に旋回させて前記開口に導く導液凸部を設けた請求項1に記載の脱硫装置。
- 前記各分割板には、半径方向に延びる補強フレームが固定してあり、各分割板の内側下端部から延びた補強フレームの下端に形成した差込部が、前記支柱の上端に差し込んで支持された請求項1に記載の脱硫装置。
- 前記集液板の上面には、前記スプレ部から噴射した吸収液を、前記攪拌機により前記液溜部の吸収液が旋回する方向と同一の方向に旋回させて前記開口に導く導液凸部を設けた請求項3に記載の脱硫装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2015310259A AU2015310259A1 (en) | 2014-09-04 | 2015-05-19 | Desulfurization device |
CA2959569A CA2959569A1 (en) | 2014-09-04 | 2015-05-19 | Desulfurization device |
CN201580047466.XA CN106604772A (zh) | 2014-09-04 | 2015-05-19 | 脱硫装置 |
US15/449,050 US20170173519A1 (en) | 2014-09-04 | 2017-03-03 | Desulfurization device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014179821A JP2016052629A (ja) | 2014-09-04 | 2014-09-04 | 脱硫装置 |
JP2014-179821 | 2014-09-04 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/449,050 Continuation US20170173519A1 (en) | 2014-09-04 | 2017-03-03 | Desulfurization device |
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Publication Number | Publication Date |
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WO2016035392A1 true WO2016035392A1 (ja) | 2016-03-10 |
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ID=55439466
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PCT/JP2015/064382 WO2016035392A1 (ja) | 2014-09-04 | 2015-05-19 | 脱硫装置 |
Country Status (6)
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US (1) | US20170173519A1 (ja) |
JP (1) | JP2016052629A (ja) |
CN (1) | CN106604772A (ja) |
AU (1) | AU2015310259A1 (ja) |
CA (1) | CA2959569A1 (ja) |
WO (1) | WO2016035392A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107252620A (zh) * | 2017-07-19 | 2017-10-17 | 国家电投集团远达环保装备制造有限公司 | 除尘脱硫除雾一体化装置 |
CN107376624A (zh) * | 2017-07-19 | 2017-11-24 | 国家电投集团远达环保装备制造有限公司 | 脱硫吸收塔用气液双相均质装置 |
CN109294653A (zh) * | 2018-11-06 | 2019-02-01 | 彭圆 | 一种液化石油气脱硫工艺 |
CN109294653B (zh) * | 2018-11-06 | 2021-04-27 | 志丹县绿能油气技术服务有限责任公司 | 一种液化石油气脱硫工艺 |
Also Published As
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JP2016052629A (ja) | 2016-04-14 |
CA2959569A1 (en) | 2016-03-10 |
US20170173519A1 (en) | 2017-06-22 |
AU2015310259A1 (en) | 2017-03-23 |
CN106604772A (zh) | 2017-04-26 |
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