CN113713751A - Structured packing tower arranged in segmented mode and flue gas treatment method thereof - Google Patents
Structured packing tower arranged in segmented mode and flue gas treatment method thereof Download PDFInfo
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- CN113713751A CN113713751A CN202110972847.6A CN202110972847A CN113713751A CN 113713751 A CN113713751 A CN 113713751A CN 202110972847 A CN202110972847 A CN 202110972847A CN 113713751 A CN113713751 A CN 113713751A
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- packing
- liquid
- distributor
- flue gas
- tower
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/30—Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
- B01J19/305—Supporting elements therefor, e.g. grids, perforated plates
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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
- B01D53/14—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
- B01D53/185—Liquid distributors
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A structured packing tower arranged in a sectional manner and a flue gas treatment method thereof comprise a packing tower shell, wherein an upper layer packing area and a lower layer packing area are arranged in the packing tower shell, and structured packing is filled in the upper layer packing area and the lower layer packing area; the structured packing is fixed by a support grid and a pressing ring; a plurality of convex seats are distributed on the support grating and are positioned in the structured packing; a liquid collecting distributor is arranged below the support grid of the upper layer filling area; the periphery of the liquid collecting distributor is attached to the inner wall of the packing tower shell, and the periphery of the liquid collecting distributor is arranged on the inner wall of the packing tower shell; liquid outlets are arranged on the liquid collecting distributor at intervals, and flow guide portions are arranged on two sides of each liquid outlet. The invention simplifies the structure of the liquid collector and the distributor, reduces the height of the packed tower and the manufacturing cost of the packed tower, and simultaneously, the bulge seats are arranged on the support grating, and the bulge seats increase the clearance in the packing layer, thereby increasing the smoke flux and improving the mass transfer efficiency.
Description
Technical Field
The invention relates to the field of chemical equipment, in particular to a structured packing tower arranged in a segmented manner and a flue gas treatment method thereof.
Background
The packed tower is a chemical equipment, the packing is set in the packed tower, the packing is placed on the support plate in a random or whole-building mode, when the liquid flows down along the packing layer, there is a tendency of gradually concentrating towards the tower wall, so that the liquid flow near the tower wall is gradually increased, this phenomenon is called wall flow, the wall flow effect causes the gas-liquid two-phase to be unevenly distributed in the packing layer, thereby the mass transfer efficiency is reduced.
At present, through being provided with a plurality of packing layers, liquid under the upper packing stream is collected the back through liquid collector, sends to the liquid redistributor, sprays on lower floor's filler after redistributing, because all be provided with liquid collector and distributor below upper packing, leads to whole packed tower height higher, and manufacturing cost is big.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a structured packing tower arranged in sections and a flue gas treatment method thereof aiming at the defects of the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that:
a structured packing tower arranged in a segmented manner comprises a packing tower shell, wherein an upper-layer packing area and a lower-layer packing area are arranged in the packing tower shell, and structured packing is filled in the upper-layer packing area and the lower-layer packing area; the structured packing is fixed by a support grid and a pressing ring; a plurality of convex seats are distributed on the support grating and are positioned in the structured packing; a liquid collecting distributor is arranged below the support grid of the upper layer filling area; the periphery of the liquid collecting distributor is attached to the inner wall of the packing tower shell, and the periphery of the liquid collecting distributor is arranged on the inner wall of the packing tower shell; liquid outlets are arranged on the liquid collecting distributor at intervals, and flow guide portions are arranged on two sides of each liquid outlet.
Furthermore, the convex seat is a cylindrical body, a square body or a conical body.
Furthermore, an annular sealing ring is arranged between the liquid collecting distributor and the inner wall of the packing tower shell.
Further, the flow guide part is an inclined plane.
Furthermore, floating tongues are uniformly distributed on the flow guide part.
Furthermore, a water inlet and a flue gas outlet are arranged above the shell of the packed tower, a liquid distributor is arranged in the shell of the packed tower and is positioned above the pressing ring of the upper-layer packing area; the water inlet is communicated with a liquid distributor; and a water outlet and a flue gas inlet are arranged below the packed tower shell.
The flue gas treatment method of the structured packing tower adopting the sectional arrangement comprises the following steps: liquid medium gets into packed tower casing from the water inlet, through the liquid distributor with liquid medium evenly distributed to upper packing district, the liquid medium in upper packing district evenly distributed is once more distinguished to lower floor's packing through album liquid distributor simultaneously, the flue gas gets into packed tower casing from the flue gas import, flue gas and liquid medium carry out the contact mass transfer in upper packing district and lower floor's packing district, owing to be provided with protruding seat on the support grid, the flue gas flux increases, finally, the flue gas after the processing is discharged from the exhanst gas outlet, waste water after the heat transfer is discharged from the outlet.
Compared with the prior art, the structured packing tower arranged in sections and the flue gas treatment method thereof have the following beneficial effects:
1. the structure of the liquid collector and the distributor is simplified, the height of the packed tower is reduced, and the manufacturing cost of the packed tower is reduced;
2. through set up protruding seat on the support grid, protruding seat has increased the inside clearance of packing layer for flue gas flux increases, promotes mass transfer efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the liquid collecting distributor of the present invention;
the device comprises a packed tower shell 1, a packed tower shell 2, an upper packing area 3, a lower packing area 4, a support grid 5, a pressing ring 6, a convex seat 7, a liquid collecting distributor 8, an annular sealing ring 9, a liquid outlet 10, a flow guide part 11, a floating tongue 12, a water inlet 13, a flue gas outlet 14, a liquid distributor 15, a water outlet 16 and a flue gas inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1 and 2, a structured packing tower arranged in segments comprises a packing tower shell 1, wherein an upper packing area 2 and a lower packing area 3 are arranged in the packing tower shell 1, and structured packing is filled in the upper packing area 2 and the lower packing area 3; the structured packing is fixed through a support grid 4 and a pressing ring 5; a plurality of convex seats 6 are distributed on the support grid 4, the convex seats 6 are positioned in the structured packing, the height of each convex seat 6 is not more than one third of the height of the packing area, and a small amount of gaps are left because the structured packing and the convex seats 6 cannot be completely attached, so that the flow flux of flue gas is increased, and the mass transfer efficiency is improved; in the present embodiment, the raised seats 6 are cylindrical, square or pyramidal, preferably cylindrical for ease of manufacture, mounted on the support grid 4.
A liquid collecting distributor 7 is arranged below the support grid of the upper layer filling area 2, and the liquid collecting distributor 7 has the functions of collecting liquid and distributing liquid again; the turnups around the liquid collecting distributor 7 are attached to the inner wall of the packing tower shell 1, the periphery of the liquid collecting distributor 7 is arranged on the inner wall 1 of the packing tower shell, and an annular sealing ring 8 is arranged between the liquid collecting distributor 7 and the inner wall of the packing tower shell 1; the liquid collecting distributor 7 is punched to form liquid outlets 9 arranged at intervals, flow guide parts 10 are arranged on two sides of each liquid outlet 9, and each flow guide part 10 is an inclined plane so as to facilitate the downward flow of a liquid medium; in order to ensure the gas flux, floating tongues 11 are uniformly distributed on the flow guide part 10; when the liquid collecting distributor 7 works, the liquid medium flowing down from the wall and the liquid medium dropping from the upper layer filler zone 2 are collected by the liquid collecting distributor 7 and then uniformly distributed to the lower layer filler zone 3 again.
A water inlet 12 and a flue gas outlet 13 are arranged above the packing tower shell 1, a liquid distributor 14 is arranged in the packing tower shell 1, and the liquid distributor 14 is positioned above the pressing ring of the upper packing area 2; the water inlet 12 is communicated with a liquid distributor 14; a water outlet 15 and a flue gas inlet 16 are arranged below the packing tower shell 1.
The flue gas treatment method of the structured packing tower adopting the sectional arrangement comprises the following steps: liquid medium enters the packed tower shell 1 from the water inlet 12, the liquid medium is uniformly distributed to the upper packed region 2 through the liquid distributor 14, meanwhile, the liquid medium in the upper packed region 2 is uniformly distributed to the lower packed region 3 through the liquid collecting distributor 7 again, smoke enters the packed tower shell 1 from the smoke inlet 16, the smoke and the liquid medium are subjected to contact mass transfer in the upper packed region 2 and the lower packed region 3, the smoke flux is increased due to the fact that the protruding seats 6 are arranged on the supporting grids 4, finally, the treated smoke is discharged from the smoke outlet 13, and waste water after heat exchange is discharged from the water outlet 15.
The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.
Claims (7)
1. The structured packing tower arranged by sections is characterized in that: the packing tower comprises a packing tower shell, wherein an upper-layer packing area and a lower-layer packing area are arranged in the packing tower shell, and regular packing is filled in the upper-layer packing area and the lower-layer packing area; the structured packing is fixed by a support grid and a pressing ring; a plurality of convex seats are distributed on the support grating and are positioned in the structured packing; a liquid collecting distributor is arranged below the support grid of the upper layer filling area; the periphery of the liquid collecting distributor is attached to the inner wall of the packing tower shell, and the periphery of the liquid collecting distributor is arranged on the inner wall of the packing tower shell; liquid outlets are arranged on the liquid collecting distributor at intervals, and flow guide portions are arranged on two sides of each liquid outlet.
2. The segmented structured packing column of claim 1, wherein: the protruding seat is a cylindrical body, a square body or a conical body.
3. The segmented structured packing column of claim 1, wherein: and an annular sealing ring is arranged between the liquid collecting distributor and the inner wall of the packing tower shell.
4. The segmented structured packing column of claim 1, wherein: the flow guide part is an inclined plane.
5. The segmented structured packing column of claim 4, wherein: the guide part is uniformly provided with floating tongues.
6. The segmented structured packing column of claim 1, wherein: a water inlet and a flue gas outlet are arranged above the packed tower shell, a liquid distributor is arranged in the packed tower shell, and the liquid distributor is positioned above the pressing ring of the upper-layer packing area; the water inlet is communicated with a liquid distributor; and a water outlet and a flue gas inlet are arranged below the packed tower shell.
7. The method for treating flue gas of a structured packing tower based on the sectional arrangement of claim 1, characterized in that: the method comprises the following steps: liquid medium gets into packed tower casing from the water inlet, through the liquid distributor with liquid medium evenly distributed to upper packing district, the liquid medium in upper packing district evenly distributed is once more distinguished to lower floor's packing through album liquid distributor simultaneously, the flue gas gets into packed tower casing from the flue gas import, flue gas and liquid medium carry out the contact mass transfer in upper packing district and lower floor's packing district, owing to be provided with protruding seat on the support grid, the flue gas flux increases, finally, the flue gas after the processing is discharged from the exhanst gas outlet, waste water after the heat transfer is discharged from the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972847.6A CN113713751A (en) | 2021-08-24 | 2021-08-24 | Structured packing tower arranged in segmented mode and flue gas treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972847.6A CN113713751A (en) | 2021-08-24 | 2021-08-24 | Structured packing tower arranged in segmented mode and flue gas treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113713751A true CN113713751A (en) | 2021-11-30 |
Family
ID=78677567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110972847.6A Pending CN113713751A (en) | 2021-08-24 | 2021-08-24 | Structured packing tower arranged in segmented mode and flue gas treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113713751A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204380690U (en) * | 2014-12-02 | 2015-06-10 | 亿凯（上海）工程机械制造有限公司 | A kind of random packing bracing or strutting arrangement |
| CN104776752A (en) * | 2015-04-22 | 2015-07-15 | 济南秦泰热工技术有限公司 | Filler of cooling tower convenient to mount and dismount |
| CN106731493A (en) * | 2016-12-01 | 2017-05-31 | 浙江大学 | A kind of square filler tower for smoke carbon dioxide capture |
| CN110411268A (en) * | 2019-08-27 | 2019-11-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of packed tower, the flue gas processing method of structured packing and dumped packing step-by-step arrangement |
| CN209952579U (en) * | 2019-04-29 | 2020-01-17 | 张家口天龙科技发展有限公司 | Desulfurizing tower for deeply removing hydrogen sulfide in coke oven crude gas |
| CN210426249U (en) * | 2019-08-27 | 2020-04-28 | 中国华能集团清洁能源技术研究院有限公司 | Packing tower with structured packing and bulk packing arranged in sections |
| CN210612925U (en) * | 2019-05-31 | 2020-05-26 | 中国空分工程有限公司 | Packed tower |
| CN210814572U (en) * | 2019-07-23 | 2020-06-23 | 湖北汇泉榕泰智能装备有限公司 | Methanol washing tower |
-
2021
- 2021-08-24 CN CN202110972847.6A patent/CN113713751A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204380690U (en) * | 2014-12-02 | 2015-06-10 | 亿凯（上海）工程机械制造有限公司 | A kind of random packing bracing or strutting arrangement |
| CN104776752A (en) * | 2015-04-22 | 2015-07-15 | 济南秦泰热工技术有限公司 | Filler of cooling tower convenient to mount and dismount |
| CN106731493A (en) * | 2016-12-01 | 2017-05-31 | 浙江大学 | A kind of square filler tower for smoke carbon dioxide capture |
| CN209952579U (en) * | 2019-04-29 | 2020-01-17 | 张家口天龙科技发展有限公司 | Desulfurizing tower for deeply removing hydrogen sulfide in coke oven crude gas |
| CN210612925U (en) * | 2019-05-31 | 2020-05-26 | 中国空分工程有限公司 | Packed tower |
| CN210814572U (en) * | 2019-07-23 | 2020-06-23 | 湖北汇泉榕泰智能装备有限公司 | Methanol washing tower |
| CN110411268A (en) * | 2019-08-27 | 2019-11-05 | 中国华能集团清洁能源技术研究院有限公司 | A kind of packed tower, the flue gas processing method of structured packing and dumped packing step-by-step arrangement |
| CN210426249U (en) * | 2019-08-27 | 2020-04-28 | 中国华能集团清洁能源技术研究院有限公司 | Packing tower with structured packing and bulk packing arranged in sections |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211130 |
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| RJ01 | Rejection of invention patent application after publication |