CN112377935A - Chimney rain prevention and control device capable of reducing secondary carrying of flue gas - Google Patents
Chimney rain prevention and control device capable of reducing secondary carrying of flue gas Download PDFInfo
- Publication number
- CN112377935A CN112377935A CN202011248457.6A CN202011248457A CN112377935A CN 112377935 A CN112377935 A CN 112377935A CN 202011248457 A CN202011248457 A CN 202011248457A CN 112377935 A CN112377935 A CN 112377935A
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- China
- Prior art keywords
- chimney
- flue gas
- control device
- inlet
- ring
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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
- F23J13/00—Fittings for chimneys or flues
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a chimney rain prevention and control device capable of reducing secondary carrying of smoke, which comprises a chimney inner cylinder, an inlet flue and a liquid collection ring, wherein the inlet flue is communicated with a smoke inlet of the chimney inner cylinder, the liquid collection ring is fixed in the chimney inner cylinder and is positioned above the smoke inlet, and the device can prevent secondary carrying of condensate falling from the smoke at the inlet on the inner wall above the inlet flue, so that the phenomenon of chimney rain is prevented and controlled.
Description
Technical Field
The invention belongs to the technical field of chimney rain prevention and control, and relates to a chimney rain prevention and control device capable of reducing secondary carrying of smoke.
Background
The wet flue gas desulfurization is the most applied and mature flue gas desulfurization technology at present, and more than 90 percent of coal-fired boilers in China adopt the Wet Flue Gas Desulfurization (WFGD) technology. The temperature of flue gas at the outlet of an absorption tower in a wet desulphurization system is about 45-55 ℃, for a desulphurization system which is not provided with a flue gas heating device behind the absorption tower, the flue gas at the inlet of a chimney is saturated wet flue gas, the temperature difference exists inside and outside the wall surface of an inner cylinder of the chimney, the temperature drop of 1-2 ℃ is generally generated in the discharge process, the flue gas is easy to generate condensate on the inner cylinder wall, and the condensate is carried out of the chimney by high-speed flue gas, so that the chimney is an important reason for causing the phenomenon of chimney rain.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a chimney rain prevention and control device for reducing secondary carrying of smoke, which can prevent secondary carrying of condensate falling from the inner wall above an inlet flue by the smoke at the inlet of a chimney and prevent and control the phenomenon of chimney rain.
In order to achieve the purpose, the chimney rain control device for reducing secondary carrying of smoke comprises an inner chimney cylinder, an inlet flue and a liquid collecting ring, wherein the inlet flue is communicated with a smoke inlet of the inner chimney cylinder, and the liquid collecting ring is fixed in the inner chimney cylinder and is positioned above the smoke inlet.
The device also comprises a water collecting tank, wherein an outlet of the liquid collecting ring is communicated with an inlet of the water collecting tank.
The outlet of the liquid collecting ring is communicated with the inlet of the water collecting tank through a liquid dredging pipe.
The liquid collecting ring forms an included angle alpha of 0-15 degrees with the horizontal direction along the inner wall of the inner cylinder of the chimney.
The cross section of the liquid collecting ring is of a V-shaped structure.
The cross section of the liquid collecting ring is of a U-shaped structure.
The cross section of the liquid collecting ring is of an L-shaped structure.
In operation, condensate is collected by the liquid collection ring.
The invention has the following beneficial effects:
when the chimney rain prevention and control device for reducing secondary carrying of smoke is in specific operation, condensate is collected through the liquid collection ring arranged at the inner wall position of the chimney above the inlet flue, secondary carrying of the condensate flowing down from the inner wall of the chimney above the inlet flue by the smoke at the inlet of the chimney is prevented, the structure is very simple, construction is convenient, and the chimney rain phenomenon can be effectively prevented and controlled under the condition of extremely low investment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a right side view of the present invention.
Wherein, 1 is a chimney inner cylinder, 2 is a liquid collecting ring, 3 is an inlet flue, 4 is a liquid dredging pipe, and 5 is a water collecting tank.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the chimney rain control device for reducing secondary carrying of flue gas comprises a chimney inner cylinder 1, an inlet flue 3 and a liquid collecting ring 2, wherein the inlet flue 3 is communicated with a flue gas inlet of the chimney inner cylinder 1, and the liquid collecting ring 2 is fixed in the chimney inner cylinder 1 and is positioned above the flue gas inlet.
The invention also comprises a water collecting tank 5, wherein the outlet of the liquid collecting ring 2 is communicated with the inlet of the water collecting tank 5; the outlet of the liquid collecting ring 2 is communicated with the inlet of the water collecting tank 5 through a liquid dredging pipe 4; the liquid collecting ring 2 forms an included angle alpha of 0-15 degrees with the horizontal direction along the inner wall of the chimney inner cylinder 1.
The cross section of the liquid collecting ring 2 is of a V-shaped structure, a U-shaped structure or an L-shaped structure.
The invention collects the condensate through the liquid collecting ring 2 arranged on the inner wall of the chimney above the inlet flue 3, prevents the secondary carrying of the condensate flowing down from the chimney inner wall above the inlet flue 3 by the flue gas at the inlet of the chimney, has very simple structure and convenient construction, and can effectively prevent and treat the rain phenomenon of the chimney under the condition of little investment.
Claims (8)
1. The utility model provides a reduce chimney rain prevention and cure device that flue gas secondary carried, its characterized in that, includes chimney inner tube (1), entry flue (3) and album liquid ring (2), and wherein, entry flue (3) are linked together with the flue gas entry of chimney inner tube (1), and album liquid ring (2) are fixed in chimney inner tube (1), and are located the top of flue gas entry.
2. The chimney rain control device for reducing secondary flue gas carry-over according to claim 1, further comprising a water collection tank (5), wherein an outlet of the liquid collection ring (2) is communicated with an inlet of the water collection tank (5).
3. The chimney rain control device for reducing secondary flue gas carrying of claim 1, characterized in that the outlet of the liquid collecting ring (2) is communicated with the inlet of the water collecting tank (5) through the liquid dredging pipe (4).
4. The chimney rain control device for reducing secondary flue gas carrying of claim 1, characterized in that an included angle α of the liquid collecting ring (2) along the inner wall of the chimney inner barrel (1) and the horizontal direction is 0-15 °.
5. The chimney rain control device for reducing secondary flue gas carrying of claim 1, characterized in that the cross section of the liquid collecting ring (2) is a V-shaped structure.
6. The chimney rain control device for reducing secondary flue gas carrying of claim 1, characterized in that the cross section of the liquid collecting ring (2) is of a U-shaped structure.
7. The chimney rain control device for reducing secondary flue gas carrying of claim 1, characterized in that the cross section of the liquid collecting ring (2) is an L-shaped structure.
8. Chimney rain control device with reduced secondary flue gas carry-over according to claim 1, characterized in that in operation the condensate is collected by the collector ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248457.6A CN112377935A (en) | 2020-11-10 | 2020-11-10 | Chimney rain prevention and control device capable of reducing secondary carrying of flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011248457.6A CN112377935A (en) | 2020-11-10 | 2020-11-10 | Chimney rain prevention and control device capable of reducing secondary carrying of flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377935A true CN112377935A (en) | 2021-02-19 |
Family
ID=74578330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011248457.6A Pending CN112377935A (en) | 2020-11-10 | 2020-11-10 | Chimney rain prevention and control device capable of reducing secondary carrying of flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377935A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20011996U1 (en) * | 2000-07-11 | 2001-11-15 | Ruhland, Manfred, 81929 München | Exhaust chimney with ring channel and precipitation barrier |
| CN102944023A (en) * | 2012-10-31 | 2013-02-27 | 上海迪夫格环境科技有限公司 | Device for collecting condensed fluid on inner cylinder wall of wet chimney |
| CN103388829A (en) * | 2013-07-30 | 2013-11-13 | 上海龙越环保科技有限公司 | Eliminator for gypsum rain or stack rain in wet desulphurization system |
-
2020
- 2020-11-10 CN CN202011248457.6A patent/CN112377935A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20011996U1 (en) * | 2000-07-11 | 2001-11-15 | Ruhland, Manfred, 81929 München | Exhaust chimney with ring channel and precipitation barrier |
| CN102944023A (en) * | 2012-10-31 | 2013-02-27 | 上海迪夫格环境科技有限公司 | Device for collecting condensed fluid on inner cylinder wall of wet chimney |
| CN103388829A (en) * | 2013-07-30 | 2013-11-13 | 上海龙越环保科技有限公司 | Eliminator for gypsum rain or stack rain in wet desulphurization system |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |