CN112023611A - Desulfurization regeneration tower - Google Patents
Desulfurization regeneration tower Download PDFInfo
- Publication number
- CN112023611A CN112023611A CN202010703010.7A CN202010703010A CN112023611A CN 112023611 A CN112023611 A CN 112023611A CN 202010703010 A CN202010703010 A CN 202010703010A CN 112023611 A CN112023611 A CN 112023611A
- Authority
- CN
- China
- Prior art keywords
- manhole structure
- regeneration tower
- desulfurization regeneration
- sealing plate
- desulfurization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 58
- 230000023556 desulfurization Effects 0.000 title claims abstract description 58
- 230000008929 regeneration Effects 0.000 title claims abstract description 47
- 238000011069 regeneration method Methods 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims 1
- 229910000323 aluminium silicate Inorganic materials 0.000 claims 1
- 235000012211 aluminium silicate Nutrition 0.000 claims 1
- 230000003009 desulfurizing effect Effects 0.000 claims 1
- 230000001172 regenerating effect Effects 0.000 claims 1
- 239000000571 coke Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 12
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000004063 acid-resistant material Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
Abstract
The invention provides a desulfurization regeneration tower, which comprises an inner sealing plate, an outer sealing plate, a heat preservation piece and a sleeve-shaped manhole structure embedded on the wall of the desulfurization regeneration tower, wherein the inner end of the manhole structure is communicated with the inner cavity of the desulfurization regeneration tower, the outer end of the manhole structure is communicated with the outside atmosphere, the inner sealing plate is used for plugging the inner end of the manhole structure, the outer sealing plate is used for plugging the outer end of the manhole structure, and the heat preservation piece is filled in the space surrounded by the inner wall of the manhole structure, the outer sealing plate and the inner sealing plate. According to the invention, the outer sealing plate and the inner sealing plate are arranged, so that secondary sealing can be formed on the manhole structure, the sealing effect of the manhole structure can be further improved, and the high-temperature active coke in the desulfurization regeneration tower is prevented from being ignited due to the fact that external air enters the inner cavity of the desulfurization regeneration tower from the manhole structure.
Description
Technical Field
The invention relates to the technical field of flue gas treatment of desulfurization and denitrification of active coke, in particular to a desulfurization regeneration tower
Background
The ignition of the active coke in the desulfurization regeneration tower in the active coke desulfurization and denitrification process is a serious safety accident. Because the temperature in the desulfurization regeneration tower is higher than the outer temperature of desulfurization regeneration tower far away, regeneration sulfur dioxide is condensation gathering on the inner wall of manhole shrouding or manhole flange easily, and the inner wall of manhole shrouding or manhole flange is corroded easily to the regeneration sulfur dioxide of condensation gathering for the inner wall attenuate of manhole shrouding or manhole flange leads to the inner wall perforation of manhole shrouding or manhole flange even. And the air pressure in the desulfurization regeneration tower is lower than the air pressure outside the desulfurization regeneration tower, and the air outside the desulfurization regeneration tower easily enters the desulfurization regeneration tower from the inner wall perforation of the manhole closing plate or the manhole flange, so that the active coke in the desulfurization regeneration tower catches fire. And the ignition of the active coke in the desulfurization regeneration tower can cause the adverse effects of burning loss and structural collapse of the desulfurization regeneration tower. In order to avoid the condensation and aggregation of regenerated sulfur dioxide at the inner wall of the manhole sealing plate or the manhole flange, the inner wall of the manhole sealing plate or the manhole flange is thinned or perforated, and then external air enters the desulfurization regeneration tower, and the improvement of the existing manhole sealing plate or the manhole flange is urgently needed.
Disclosure of Invention
The invention aims to provide a desulfurization regeneration tower, which solves the problem that regenerated sulfur dioxide in the existing desulfurization regeneration tower is easy to condense at a manhole structure sealing plate or a manhole structure flange, so that the inner wall of the manhole structure sealing plate or the manhole structure flange is thinned or perforated, and further, outside air enters the desulfurization regeneration tower to cause the ignition of active coke.
In order to solve the technical problem, the invention provides a desulfurization regeneration tower, which comprises an inner sealing plate, an outer sealing plate, a heat preservation piece and a sleeve-shaped manhole structure embedded on the tower wall of the desulfurization regeneration tower, wherein the inner end of the manhole structure is communicated with an inner cavity of the desulfurization regeneration tower, the outer end of the manhole structure is communicated with the outside atmosphere, the inner sealing plate is used for plugging the inner end of the manhole structure, the outer sealing plate is used for plugging the outer end of the manhole structure, and the heat preservation piece is filled in a space surrounded by the inner wall of the manhole structure, the outer sealing plate and the inner sealing plate.
Optionally, an inner flange extends inwards from the inner wall of the manhole structure at the inner end of the manhole structure, and the inner sealing plate is fixedly connected with the inner flange through a fastener.
Optionally, the inner sealing plate further comprises an inner sealing gasket, and the inner sealing gasket is arranged between the inner sealing plate and the inner flange.
Optionally, the inner sealing gasket is made of high-temperature-resistant asbestos.
Optionally, an outer flange extends outwards from the inner wall of the manhole structure at the outer end of the manhole structure, and the outer sealing plate is fixedly connected with the outer flange through a fastener.
Optionally, the outer sealing plate further comprises an outer sealing gasket, and the outer sealing gasket is arranged between the outer sealing plate and the outer flange.
Optionally, the outer sealing gasket is made of polytetrafluoroethylene.
Optionally, the outer cover further comprises a first handle, and the first handle is fixedly arranged on one side of the outer cover facing the atmosphere.
Optionally, the portable electronic device further comprises a second handle fixedly arranged on one side of the outer sealing plate facing the atmosphere.
Optionally, the heat preservation member is made of aluminum silicate, polyurethane foam, polystyrene board and phenolic foam.
The desulfurization regeneration tower provided by the invention has the following beneficial effects:
through will keep warm the piece pack the inner wall of manhole structure outer shrouding with in the space of interior shrouding wall city, the temperature of shrouding and desulfurization regenerator's tower wall is close in can making, and the shrouding temperature is lower than the temperature of the tower wall of desulfurization regenerator in avoiding, leads to sulfur dioxide including in the shrouding to the one side of desulfurization regenerator's inner chamber on the condensation to shrouding in corroding, and, can improve the shutoff of interior shrouding the inner sealed effect of manhole structure. Through setting up outer shrouding and interior shrouding, can form the secondary seal to manhole structure, further improve manhole structure's sealed effect, prevent that outside air from getting into the inner chamber of desulfurization regeneration tower from manhole structure, lead to the inside high temperature active coke of desulfurization regeneration tower to be fired.
Drawings
FIG. 1 is a cross-sectional view of a bore seal in accordance with an embodiment of the present invention;
fig. 2 is a front view of a bore seal in accordance with an embodiment of the present invention.
Description of reference numerals:
110-an inner sealing plate; 120-outer sealing plate; 130-a heat preservation member; 140-manhole structure; 141-inner end; 142-an outer end; 143-inner flange; 144-an outer flange; 150-a first handle; 160-outer seal; 170-column wall.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a desulfurization regeneration tower. Referring to fig. 1 and 2, fig. 1 is a sectional view of a hole sealing device according to an embodiment of the present invention, fig. 2 is a front view of the hole sealing device according to the embodiment of the present invention, the desulfurization regeneration tower comprises an inner sealing plate 110, an outer sealing plate 120, an insulating member 130, and a manhole structure 140 embedded on a tower wall 170 of the desulfurization regeneration tower in a sleeve shape, an inner end 141 of the manhole structure 140 is communicated with an inner cavity of the desulfurization regeneration tower, an outer end 142 of the manhole structure 140 is communicated with the outside atmosphere, the inner sealing plate 110 is used for sealing the inner end 141 of the manhole structure 140, the outer sealing plate 120 is used for sealing the outer end 142 of the manhole structure 140, and the insulating member 130 is filled in a space enclosed by the inner wall of the manhole structure 140, the outer sealing plate 120 and the inner sealing plate 110.
Through filling heat preservation piece 130 the inner wall of manhole structure 140, outer shrouding 120 with in the space that interior shrouding 110 encloses the city, can make interior shrouding 110 be close with the temperature of the tower wall 170 of desulfurization regenerator, avoid interior shrouding 110 temperature lower than the temperature of the tower wall 170 of desulfurization regenerator, lead to sulfur dioxide including on the shrouding 110 one side towards the inner chamber of desulfurization regenerator to condense, and corrode interior shrouding 110, and, can improve interior shrouding 110 shutoff the sealed effect of manhole structure 140's inner 141. Through setting up outer shrouding 120 and interior shrouding 110, can form the secondary seal to manhole structure 140, further improve manhole structure 140's sealed effect, prevent that outside air from getting into the inner chamber of desulfurization regenerator column from manhole structure 140, lead to the inside high temperature active coke of desulfurization regenerator column to fire.
Referring to fig. 1, an inner end 141 of the manhole structure 140 is provided with an inner flange 143 extending inward from an inner wall of the manhole structure 140, an outer end 142 of the manhole structure 140 is provided with an outer flange 144 extending outward from the inner wall of the manhole structure 140, the inner sealing plate 110 is fixedly connected with the inner flange 143 by fasteners, and the outer sealing plate 120 is fixedly connected with the outer flange 144 by fasteners. This facilitates the removal and installation of the inner and outer cover plates 110 and 120.
The desulfurization regeneration tower further comprises a first handle 150, wherein the first handle 150 is fixedly arranged on one side of the outer sealing plate 120 facing the atmosphere, so that an operator can conveniently open the outer sealing plate 120. As shown in fig. 2, the number of the first handles 150 is two.
The desulfurization regeneration tower further comprises a second handle, wherein the second handle is fixedly arranged on one side, facing the atmosphere, of the outer sealing plate 120, so that an operator can conveniently open the outer sealing plate 120.
The heat insulation member 130 is made of one or more of aluminum silicate, polyurethane foam, polystyrene board and phenolic foam.
Referring to fig. 1, the desulfurization regeneration tower further includes an outer gasket 160, and the outer gasket 160 is disposed between the outer sealing plate 120 and the outer flange 144. As shown in fig. 1, the outer sealing gasket 160 is formed in a sheet shape, so that the entire side surface of the outer sealing plate 120 facing the desulfurization regeneration tower is prevented from being corroded.
The outer seal 160 is made of an acid-resistant material, such as teflon.
The desulfurization regeneration tower further comprises an inner sealing gasket, and the inner sealing gasket is arranged between the inner sealing plate 110 and the inner flange 143.
The inner sealing gasket is made of high-temperature-resistant asbestos.
When the sealing device is installed, the inner sealing plate 110 can be closed first, and the sealing performance is tested; then, the heat insulating member 130 is filled; the outer closure plate 120 is then closed.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. The utility model provides a desulfurization regenerator column, its characterized in that, includes interior shrouding, outer shrouding, heat preservation spare and inlays and be the manhole structure of cover tube-shape on desulfurization regenerator column's tower wall, manhole structure's the inner with desulfurization regenerator column's inner chamber intercommunication, manhole structure's outer end and outside atmosphere intercommunication, interior shrouding is used for the shutoff manhole structure's the inner, outer shrouding is used for the shutoff manhole structure's outer end, the heat preservation spare that protects is filled manhole structure's inner wall outer shrouding with in the space in shrouding wall city.
2. The desulfurization regeneration column of claim 1, wherein an inner end of the manhole structure has an inner flange extending inwardly from an inner wall of the manhole structure, and the inner sealing plate is fixedly connected to the inner flange by fasteners.
3. The desulfurization regeneration tower of claim 2, further comprising an internal gasket disposed between said internal closure plate and said internal flange.
4. The desulfurization regeneration tower of claim 3, wherein the inner seal is made of high temperature resistant asbestos.
5. The desulfurization regeneration column of claim 1, wherein an outer flange extends outwardly from an inner wall of the manhole structure at an outer end of the manhole structure, and the outer sealing plate is fixedly connected to the outer flange by fasteners.
6. The desulfurization regeneration tower of claim 5, further comprising an outer seal disposed between said outer seal plate and said outer flange.
7. The desulfurization regeneration tower of claim 6, wherein the outer gasket is made of polytetrafluoroethylene.
8. The desulfurization regeneration tower of claim 1, further comprising a first handle fixedly disposed on a side of the outer deck facing the atmosphere.
9. The desulfurization regeneration tower of claim 1, further comprising a second handle fixedly disposed on a side of said outer deck facing the atmosphere.
10. A desulfurizing and regenerating tower as claimed in claim 1, characterized in that said insulating elements are made of aluminium silicate, polyurethane foam, polystyrene board, phenolic foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010703010.7A CN112023611A (en) | 2020-07-21 | 2020-07-21 | Desulfurization regeneration tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010703010.7A CN112023611A (en) | 2020-07-21 | 2020-07-21 | Desulfurization regeneration tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112023611A true CN112023611A (en) | 2020-12-04 |
Family
ID=73579787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010703010.7A Pending CN112023611A (en) | 2020-07-21 | 2020-07-21 | Desulfurization regeneration tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112023611A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202927468U (en) * | 2012-11-23 | 2013-05-08 | 张家港中集圣达因低温装备有限公司 | Vacuum heat-insulating container and manhole structure thereof |
| US20160286818A1 (en) * | 2013-11-11 | 2016-10-06 | The Regents Of The University Of Colorado, A Body Corporate | Delivery of heavy metals for the inhibition of microbially induced concrete corrosion |
-
2020
- 2020-07-21 CN CN202010703010.7A patent/CN112023611A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202927468U (en) * | 2012-11-23 | 2013-05-08 | 张家港中集圣达因低温装备有限公司 | Vacuum heat-insulating container and manhole structure thereof |
| US20160286818A1 (en) * | 2013-11-11 | 2016-10-06 | The Regents Of The University Of Colorado, A Body Corporate | Delivery of heavy metals for the inhibition of microbially induced concrete corrosion |
Non-Patent Citations (2)
| Title |
|---|
| 中国科学技术协会组: "《动力与电气工程学科发展报告 2014-2015版》", 30 April 2016, 北京：中国科学技术出版社 * |
| 宋文明: "尿素合成塔人孔密封环腐蚀原因分析及修复", 《石油化工腐蚀与防护》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |
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| RJ01 | Rejection of invention patent application after publication |