CN213395378U - Single-cylinder type wet desulphurization chimney device capable of converting into sleeve - Google Patents
Single-cylinder type wet desulphurization chimney device capable of converting into sleeve Download PDFInfo
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- CN213395378U CN213395378U CN202022349554.6U CN202022349554U CN213395378U CN 213395378 U CN213395378 U CN 213395378U CN 202022349554 U CN202022349554 U CN 202022349554U CN 213395378 U CN213395378 U CN 213395378U
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Abstract
The utility model discloses a single cylinder formula turns into telescopic wet flue desulfurization chimney device into, including single cylinder formula chimney, chimney basis, chimney inner flue, chimney outer flue, the inner tube basis of discharging fume and the inner tube of discharging fume, wherein, single cylinder formula chimney is located the chimney basis, and the inner tube basis of discharging fume is located the chimney basis, and the inner tube of discharging fume is located single cylinder formula chimney, and the inner tube of discharging fume is located the inner tube basis of discharging fume, and the outer flue of chimney passes the flue gas entry of single cylinder formula chimney lateral wall and is linked together and is connected with the one end of chimney inner flue in the chimney, and the other end of chimney inner flue is linked together with the inner tube of discharging fume, and the device can realize that single cylinder formula.
Description
Technical Field
The utility model belongs to coal fired power plant ultralow emission environmental protection transformation field relates to a single section of thick bamboo formula turns into telescopic wet flue gas desulfurization chimney device.
Background
Along with the ultra-low emission modification of the coal-fired power plant, the chimney needs to be subjected to corresponding anti-corrosion modification, and the flue gas emission requirement after the ultra-low emission modification is met.
In the past years, because flue gas desulfurization treatment is not considered, a structural system scheme that 2 furnaces share 1 single-cylinder chimney is mostly adopted in coal-fired power plants. With the continuous promotion of national environmental protection policies, flue gas desulfurization treatment, especially limestone-gypsum wet desulfurization process is widely applied, under the condition of wet desulfurization without GGH, a plurality of in-service 'single-cylinder' old chimneys, including old chimneys modified by newly-added desulfurization systems and newly-built wet desulfurization chimneys, have obvious condensation dew formation and acid liquor leakage corrosion phenomena, bring obvious potential safety hazards to the reliable operation of chimney bodies, and need to be subjected to effective seepage-proof anticorrosion modification treatment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a single cylinder formula and turn into telescopic wet flue gas desulfurization chimney device, the device can realize that single cylinder formula chimney reforms transform telescopic chimney.
In order to achieve the above object, the single-cylinder type wet desulphurization chimney device converted into the sleeve type comprises a single-cylinder type chimney, a chimney foundation, a chimney inner flue, a chimney outer flue, a smoke exhaust inner barrel foundation and a smoke exhaust inner barrel, wherein the single-cylinder type chimney is positioned on the chimney foundation, the smoke exhaust inner barrel is positioned in the single-cylinder type chimney, the smoke exhaust inner barrel is positioned on the smoke exhaust inner barrel foundation, the smoke inlet of the chimney outer flue, which penetrates through the single-cylinder type chimney side wall, is communicated with one end of the chimney inner flue, and the other end of the chimney inner flue is communicated with the smoke exhaust inner barrel.
A first overhauling and maintaining platform, a second overhauling and maintaining platform and a third overhauling and maintaining platform are sequentially arranged between the smoke exhaust inner cylinder and the single-cylinder chimney from bottom to top, first transverse restraining devices are arranged on the second overhauling and maintaining platform and the third overhauling and maintaining platform, and the first transverse restraining devices are connected with the inner wall of the single-cylinder chimney and the outer wall of the smoke exhaust inner cylinder.
And a second transverse restraint device is arranged between the outer wall of the top of the smoke exhaust inner cylinder and the inner wall of the single-cylinder chimney.
The chimney inner flue is connected with the chimney outer flue through an expansion joint.
The outer wall of the smoke discharging inner cylinder is provided with a ladder stand and a guardrail.
The inner side of the single-cylinder chimney is provided with three inner-cantilever annular brackets, wherein the first overhauling and maintaining platform, the second overhauling and maintaining platform and the third overhauling and maintaining platform are respectively supported on the three inner-cantilever annular brackets.
The side of the bottom of the smoke exhaust inner cylinder is provided with a manhole door.
The top of the single-cylinder chimney is provided with a chimney lightning protection system, a ladder stand and a platform.
The utility model discloses following beneficial effect has:
single cylinder formula turn into telescopic wet flue gas desulfurization chimney device when concrete operation, set up the inner tube of discharging fume in original single cylinder chimney, the inner tube basis of discharging fume, flue in the chimney, first maintenance platform, the second is overhauld and is maintained the platform, the third is overhauld and is maintained the platform, first horizontal restraint device and the horizontal restraint device of second to reform transform single cylinder chimney into telescopic chimney, realize the emission requirement of the wet flue gas after coal fired power plant's ultralow emission is reformed transform, have simultaneously the saving land, the operation is reliable, safe in utilization, the characteristics of time limit for a project saving.
Furthermore, through newly adding a first overhaul maintenance platform, a second overhaul maintenance platform, a first transverse restraint device and a second transverse restraint device, the transverse displacement of the smoke exhaust inner cylinder is restrained, the transverse stability of the smoke exhaust inner cylinder is ensured, the collision damage of the smoke exhaust inner cylinder to the wall of the original single-cylinder chimney is prevented, and the safety performance of the overall structure of the sleeve type chimney is improved.
Further, original cat ladder and platform can be followed the outside and gone up to the chimney top, and the constructor of being convenient for is from top to bottom, and newly-increased cat ladder and guardrail can be followed between the interior urceolus and go up to first maintenance platform, second maintenance platform and third maintenance platform, and the constructor of being convenient for is convenient for from top to bottom, is convenient for simultaneously to the inspection of the inner tube of discharging fume, the implementation of the environmental protection detection achievement of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The device comprises a smoke exhaust inner cylinder 1, a single-cylinder chimney 2, a smoke exhaust inner cylinder foundation 3, a chimney foundation 4, a manhole door 5, a smoke inlet 6, a chimney inner flue 7, a first overhauling and maintaining platform 8, a second overhauling and maintaining platform 9, a third overhauling and maintaining platform 10, a first transverse restraining device 11, an inner cantilever annular bracket 12, a second transverse restraining device 13, a ladder stand and platform 14, a ladder stand and guardrail 15 and a chimney lightning protection system 16.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, single cylinder convert into telescopic wet flue gas desulfurization chimney device include single cylinder chimney 2, chimney basis 4, chimney inner flue 7, chimney outer flue, the inner tube basis 3 of discharging fume and discharge fume inner tube 1, wherein, single cylinder chimney 2 is located chimney basis 4, discharge fume inner tube basis 3 is located chimney basis 4, discharge fume inner tube 1 is located single cylinder chimney 2, and discharge fume inner tube 1 is located the inner tube basis 3 of discharging fume, the outer flue of chimney passes the flue gas entry 6 of single cylinder chimney 2 lateral walls and is linked together and is connected with the one end of chimney inner flue 7, the other end of chimney inner flue 7 is linked together with the inner tube 1 of discharging fume.
A first overhauling and maintaining platform 8, a second overhauling and maintaining platform 9 and a third overhauling and maintaining platform 10 are sequentially arranged between the smoke exhaust inner cylinder 1 and the single-cylinder chimney 2 from bottom to top, and first transverse restraining devices 11 are respectively arranged on the second overhauling and maintaining platform 9 and the third overhauling and maintaining platform 10, wherein the first transverse restraining devices 11 and the inner wall of the single-cylinder chimney 2 are connected with the outer wall of the smoke exhaust inner cylinder 1; a second transverse restraint device 13 is arranged between the outer wall of the top of the smoke exhaust inner cylinder 1 and the inner wall of the single-cylinder chimney 2.
The chimney inner flue 7 is connected with the chimney outer flue through an expansion joint; the outer wall of the smoke discharging inner cylinder 1 is provided with a ladder stand and a guardrail 15, the side surface of the bottom of the smoke discharging inner cylinder 1 is provided with a manhole door 5, and the top of the single-cylinder chimney 2 is provided with a chimney lightning protection system 16, the ladder stand and a platform 14.
The inner side of the single-cylinder chimney 2 is provided with three inner-cantilever annular brackets 12, wherein the first overhauling and maintaining platform 8, the second overhauling and maintaining platform 9 and the third overhauling and maintaining platform 10 are respectively supported on the three inner-cantilever annular brackets 12.
Furthermore, the top of the inner smoke exhaust cylinder 1 is 3m higher than the top of the single-cylinder chimney 2, the inner smoke exhaust cylinder 1 can be used as a lightning protection system, and the original chimney lightning protection system 16 can be not changed; the original ash discharging door provides convenience for the construction materials of the smoke discharging inner barrel 1 and the entering and exiting of constructors, and provides a passage for the future operation and the entering and exiting of detection personnel.
The smoke exhaust inner cylinder foundation 3 is positioned on the chimney foundation 4, so that the stress condition of the original foundation is changed, the original anticorrosive coating on the single-cylinder chimney 2 is removed, the load of the single-cylinder chimney 2 on the foundation is reduced, the smaller load of the smoke exhaust inner cylinder 1 is increased, and the stress of the foundation is more reasonable; when the top center of the single-cylinder chimney 2 is inconsistent with the ground center, the positioning of the smoke exhaust inner cylinder 1 is constructed according to the top center of the single-cylinder chimney 2; the annular corbels 12 in the uppermost three layers of the single-cylinder chimney 2 and the inward local ears at the top need to be removed, so that the construction of the smoke exhaust inner cylinder 1 is not affected.
The barrel of the inner smoke discharging barrel 1 is made of an explosion-rolling titanium-steel composite plate, the corrosion resistance of the material is superior to that of an anticorrosive paint lining, a glass fiber reinforced plastic inner barrel and a Bingda lining, and the long-term environmental protection requirement of strong-corrosion wet smoke emission is met.
Claims (8)
1. The utility model provides a telescopic wet flue gas desulfurization chimney device is turned into to single tube formula, a serial communication port, including single tube formula chimney (2), chimney basis (4), chimney inner flue (7), chimney outer flue, inner tube basis (3) and the inner tube (1) of discharging fume, wherein, single tube formula chimney (2) are located chimney basis (4), inner tube basis (3) of discharging fume is located chimney basis (4), inner tube (1) of discharging fume is located single tube formula chimney (2), and inner tube (1) of discharging fume is located inner tube basis (3), chimney outer flue passes flue gas entry (6) of single tube formula chimney (2) lateral wall and is linked together and is connected with the one end of chimney inner flue (7), the other end of chimney inner flue (7) is linked together with inner tube (1) of discharging fume.
2. The single-barrel sleeve type wet desulphurization chimney device according to claim 1, wherein a first overhaul and maintenance platform (8), a second overhaul and maintenance platform (9) and a third overhaul and maintenance platform (10) are sequentially arranged between the smoke exhaust inner barrel (1) and the single-barrel chimney (2) from bottom to top, first transverse restraining devices (11) are respectively arranged on the second overhaul and maintenance platform (9) and the third overhaul and maintenance platform (10), wherein the first transverse restraining devices (11) and the inner wall of the single-barrel chimney (2) are connected with the outer wall of the smoke exhaust inner barrel (1).
3. The single-barrel sleeve-type wet desulphurization chimney device according to claim 2, characterized in that a second transverse restraining device (13) is arranged between the outer wall of the top of the inner flue gas discharging barrel (1) and the inner wall of the single-barrel chimney (2).
4. The monotube-type sleeve-type wet desulfurization chimney device according to claim 1, characterized in that the chimney inner flue (7) is connected to the chimney outer flue through an expansion joint.
5. The single-barrel sleeve-type wet desulfurization chimney device according to claim 1, characterized in that the outer wall of the inner smoke exhaust barrel (1) is provided with a ladder and a guardrail (15).
6. The single-tube sleeve-type wet desulfurization chimney device according to claim 2, characterized in that the inner side of the single-tube chimney (2) is provided with three internally-cantilevered annular corbels (12), wherein the first, second and third overhaul and maintenance platforms (8, 9, 10) are respectively supported on the three internally-cantilevered annular corbels (12).
7. The single-barrel sleeve-type wet desulphurization chimney device according to claim 1, characterized in that the side of the bottom of the inner flue gas discharging barrel (1) is provided with a manhole door (5).
8. The monotube-type to sleeve-type wet desulfurization chimney device according to claim 1, characterized in that a chimney lightning protection system (16), a ladder and a platform (14) are provided on top of the monotube-type chimney (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022349554.6U CN213395378U (en) | 2020-10-20 | 2020-10-20 | Single-cylinder type wet desulphurization chimney device capable of converting into sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022349554.6U CN213395378U (en) | 2020-10-20 | 2020-10-20 | Single-cylinder type wet desulphurization chimney device capable of converting into sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213395378U true CN213395378U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022349554.6U Active CN213395378U (en) | 2020-10-20 | 2020-10-20 | Single-cylinder type wet desulphurization chimney device capable of converting into sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213395378U (en) |
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2020
- 2020-10-20 CN CN202022349554.6U patent/CN213395378U/en active Active
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