CN107314386B - Liquid return prevention chimney - Google Patents
Liquid return prevention chimney Download PDFInfo
- Publication number
- CN107314386B CN107314386B CN201710529613.8A CN201710529613A CN107314386B CN 107314386 B CN107314386 B CN 107314386B CN 201710529613 A CN201710529613 A CN 201710529613A CN 107314386 B CN107314386 B CN 107314386B
- Authority
- CN
- China
- Prior art keywords
- chimney
- liquid
- plate
- flow guide
- shell
- 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.)
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Links
- 239000007788 liquid Substances 0.000 title claims abstract description 119
- 230000002265 prevention Effects 0.000 title abstract description 14
- 238000007789 sealing Methods 0.000 claims description 29
- 238000000926 separation method Methods 0.000 claims description 17
- 238000010992 reflux Methods 0.000 abstract description 5
- 239000003814 drug Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention belongs to the technical field of tail gas emission equipment in the fields of oil fields, chemical industry, metallurgy and medicine, and particularly relates to a liquid return prevention chimney which comprises a chimney fixing part, a chimney detachable part and a fastening piece, wherein the chimney detachable part is fixed on the upper part of the chimney fixing part through the fastening piece, so that the problems of reflux of condensed liquid on a chimney wall, pollution on an operation site and the like of a traditional chimney are solved, and the liquid return prevention chimney has the characteristics of good reflux prevention effect of condensed liquid on the chimney wall, convenience in disassembly and assembly and convenience in transportation.
Description
Technical Field
The invention belongs to the technical field of tail gas emission equipment in the fields of oil fields, chemical industry, metallurgy and medicine, and particularly relates to a liquid return prevention chimney.
Background
When high-temperature gas is condensed and recovered, an induced draft fan is often used for exhausting tail gas outside the tail part of the flow in order to improve the condensation efficiency. When the tail part of the conventional chimney connected with the induced draft fan is used for working, liquid condensed on the wall of the chimney flows downwards along the wall of the chimney, so that the induced draft fan cannot work normally, if the air quantity of the induced draft fan is increased, the liquid condensed on the wall of the chimney can be prevented from flowing back, but the liquid can be blown out from the chimney, and an operation site is polluted.
Disclosure of Invention
The invention aims to solve the problem of reflux of condensed liquid on the chimney wall of a chimney in the prior art.
The invention provides a liquid return prevention chimney, which comprises a chimney fixing part, a chimney detachable part and a fastener, wherein the chimney detachable part is fixed on the upper part of the chimney fixing part through the fastener.
The chimney fixed part include flange, honeycomb duct, bottom plate, leakage fluid dram, liquid envelope, shell and water conservancy diversion mouth, honeycomb duct top and bottom connect water conservancy diversion mouth and flange respectively, the bottom plate cup joints in the middle part outside of honeycomb duct, liquid envelope and shell are in proper order outside vertical cover in the outside of honeycomb duct and bottom are connected in the upper portion of bottom plate from inside to outside, the leakage fluid dram communicates in the lower part of bottom plate and is located between liquid envelope and the shell, open on shell upper portion has the unthreaded hole.
The detachable part of the chimney comprises a centralizing plate, a liquid separating cylinder, a locating plate and a chimney body, wherein the chimney body, the locating plate, the liquid separating cylinder and the centralizing plate are sequentially connected from top to bottom, the centralizing plate is connected to the inner side of the bottom of the liquid separating cylinder, the locating plate is sleeved on the outer side of an interface between the top of the liquid separating cylinder and the bottom of the chimney body, a threaded hole is formed in the side wall of the locating plate, and a fastener penetrates through the unthreaded hole and is connected with the chimney fixing part and the detachable part of the chimney.
The centering plate is provided with a central round hole, the inner wall of the centering plate is provided with a plurality of grooves, and the grooves are uniformly distributed along the circumferential direction of the inner wall of the centering plate.
The liquid separation cylinder is vertically sleeved between the liquid sealing shell and the guide pipe, a space formed by the liquid separation cylinder and the guide pipe is communicated with a space formed by the liquid separation cylinder and the liquid sealing shell, and the guide nozzle is positioned in the bottom of the chimney body and forms an annular channel with the edge of the bottom of the chimney body.
The heights of the liquid sealing shell and the liquid separating cylinder are 2/3-3/4 of the height of the shell.
The invention has the beneficial effects that: when the liquid backflow prevention chimney provided by the invention works for the first time, the connecting flange at the lower part of the chimney is connected with the fan, clear water is filled in the space formed by the flow guide pipe, the liquid sealing shell and the bottom plate, the chimney detachable part is arranged on the chimney fixing part, when insufficiently cooled gas enters the chimney at the front end of the induced draft fan, condensed liquid on the chimney wall flows down along the inner wall of the chimney body and is collected into the space formed by the flow guide pipe and the liquid separation barrel, the clear water filled in the space formed by the flow guide pipe, the liquid sealing shell and the bottom plate is extruded out from the liquid sealing shell, the extruded water flows into the liquid collector through the liquid outlet in the space formed by the liquid sealing shell, the liquid sealing shell and the bottom plate, and external gas cannot enter the chimney.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a front view of a liquid back prevention chimney structure;
FIG. 2 is a front view of the chimney fixing portion structure;
FIG. 3 is a top view of the chimney fixing portion structure;
FIG. 4 is a front view of the removable portion of the chimney;
FIG. 5 is a bottom view of the removable portion of the chimney;
reference numerals illustrate: 1. a chimney fixing portion; 2. a chimney removable portion; 3. a fastener; 1.1, flanges; 1.2, a honeycomb duct; 1.3, a bottom plate; 1.4, a liquid outlet; 1.5, a liquid enclosure; 1.6, a shell; 1.7, a diversion nozzle; 1.6.1, light holes; 2.1, righting plate; 2.2, a liquid separating cylinder; 2.3, positioning plate; 2.4, chimney body; 2.3.1, threaded holes; 2.1.1, a central round hole; 2.1.2, groove.
Detailed Description
Example 1:
as shown in fig. 1, the chimney includes a chimney fixing portion 1, a chimney detachable portion 2, and a fastener 3, the chimney detachable portion 2 being fixed to an upper portion of the chimney fixing portion 1 by the fastener 3. When the equipment needs to be used or moved, the chimney detachable part 2 is directly connected or detached, and the fastener 3 is arranged on the chimney fixing part 1, so that the equipment is convenient to transport.
Example 2:
as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, on the basis of embodiment 1, the chimney fixing portion 1 includes a flange 1.1, a flow guiding pipe 1.2, a bottom plate 1.3, a liquid discharging port 1.4, a liquid sealing shell 1.5, a shell 1.6 and a flow guiding nozzle 1.7, the top and the bottom of the flow guiding pipe 1.2 are respectively connected with the flow guiding nozzle 1.7 and the flange 1.1, the bottom plate 1.3 is sleeved outside the middle part of the flow guiding pipe 1.2, the liquid sealing shell 1.5 and the shell 1.6 are vertically sleeved outside the flow guiding pipe 1.2 in sequence from inside to outside, the bottom is connected to the upper part of the bottom plate 1.3, the liquid discharging port 1.4 is communicated to the lower part of the bottom plate 1.3 and is located between the liquid sealing shell 1.5 and the shell 1.6, and the light hole 1.6.1 is formed in the upper part of the shell 1.6. The chimney detachable part 2 comprises a centralizing plate 2.1, a liquid separating cylinder 2.2, a locating plate 2.3 and a chimney body 2.4, wherein the chimney body 2.4, the locating plate 2.3, the liquid separating cylinder 2.2 and the centralizing plate 2.1 are sequentially connected from top to bottom, the centralizing plate 2.1 is connected to the inner side of the bottom of the liquid separating cylinder 2.2, the locating plate 2.3 is sleeved on the outer side of an interface between the top of the liquid separating cylinder 2.2 and the bottom of the chimney body 2.4, a threaded hole 2.3.1 is formed in the side wall of the locating plate 2.3, and a fastener 3 penetrates through the light hole 1.6.1 and is connected with the threaded hole 2.3.1 to form the chimney fixing part 1 and the chimney detachable part 2.
When the oil return prevention chimney works for the first time, the flange 1.1 of the chimney fixing part 1 is connected with a fan, clean water is filled in the space formed by the flow guide pipe 1.2, the liquid sealing shell 1.5 and the bottom plate 1.3, the chimney detachable part 2 is arranged on the chimney fixing part 1, when the gas which is sufficiently cooled at the front end of the induced draft fan enters the chimney, condensed liquid on the chimney wall flows down along the inner wall of the chimney body 2.4 and is collected into the space formed by the flow guide pipe 1.2 and the liquid separating tube 2.2, the clean water filled in the space formed by the flow guide pipe 1.2, the liquid sealing shell 1.5 and the bottom plate 1.3 is extruded out from the liquid sealing shell 1.5, the extruded water flows into the space formed by the liquid sealing shell 1.5, the shell 1.6 and the bottom plate 1.3 through the liquid outlet 1.4, and the liquid exists between the liquid sealing shell 1.5, the flow guide pipe 1.2 and the bottom plate 1.3, the outside gas cannot enter the chimney, and the problems of the condensed liquid on the chimney wall existing in the traditional chimney are solved, and the problems of the condensed liquid in the traditional chimney are solved.
The centering plate 2.1 is provided with a central round hole 2.1.1, the inner wall of the centering plate 2.1 is provided with a plurality of grooves 2.1.2, and the grooves 2.1.2 are uniformly distributed along the circumferential direction of the inner wall of the centering plate 2.1; the grooves 2.1.2 are used for communicating the upper space and the lower space of the centralizing plate 2.1, so that condensed liquid can flow downwards along the inner wall of the chimney body 2.4 and is collected in the space formed by the flow guide pipe 1.2 and the liquid separation barrel 2.2, and the structure is simple.
The liquid separation barrel 2.2 is vertically sleeved between the liquid enclosure 1.5 and the flow guide pipe 1.2, a space formed by the liquid separation barrel 2.2 and the flow guide pipe 1.2 is communicated with a space formed by the liquid separation barrel 2.2 and the liquid enclosure 1.5, and the flow guide nozzle 1.7 is positioned in the bottom of the chimney body 2.4 and forms an annular channel with the edge of the bottom of the chimney body 2.4; ensuring that condensed liquid flows down along the inner wall of the chimney body 2.4, collecting the condensed liquid into a space formed by the flow guide pipe 1.2 and the liquid separation cylinder 2.2, extruding clear water filled in the space formed by the flow guide pipe 1.2, the liquid sealing shell 1.5 and the bottom plate 1.3 from the upper edge of the liquid sealing shell 1.5, and enabling the extruded water to flow into the space formed by the liquid sealing shell 1.5, the shell 1.6 and the bottom plate 1.3 through the liquid discharge port 1.4 and flow into the liquid collector.
The heights of the liquid sealing shell 1.5 and the liquid separating cylinder 2.2 are 2/3-3/4 of the height of the shell 1.6; saving materials and simultaneously achieving good reflux effect of condensed liquid.
The working principle of the invention is as follows:
when the liquid return prevention chimney works for the first time, the flange 1.1 of the chimney fixing part 1 is connected with a fan, clean water is filled in the space formed by the flow guide pipe 1.2, the liquid sealing shell 1.5 and the bottom plate 1.3, the chimney detachable part 2 is arranged on the chimney fixing part 1, when the gas which is sufficiently cooled at the front end of the induced draft fan enters the chimney, condensed liquid on the chimney wall flows down along the inner wall of the chimney body 2.4 and is collected into the space formed by the flow guide pipe 1.2 and the liquid separating barrel 2.2, clean water filled in the space formed by the flow guide pipe 1.2, the liquid sealing shell 1.5 and the bottom plate 1.3 is extruded from the liquid sealing shell 1.5, and the extruded water flows into the space formed by the liquid sealing shell 1.5, the shell 1.6 and the bottom plate 1.3 through the liquid outlet 1.4 and flows into the liquid collector.
When the liquid return prevention chimney is not used again for a long time after working, firstly, the chimney detachable part 2 is detached, the liquid amount in the space formed by the flow guide pipe 1.2, the liquid enclosure 1.5 and the bottom plate 1.3 is checked, if the liquid amount is insufficient, clear water is added, then the chimney detachable part 2 is arranged on the chimney fixing part 1, when the air which is insufficiently cooled at the front end of the induced draft fan enters the chimney, the condensed liquid on the chimney wall flows down along the inner wall of the chimney body 2.4 and is collected into the space formed by the flow guide pipe 1.2 and the liquid separation cylinder 2.2, clear water added into the space formed by the flow guide pipe 1.2, the liquid enclosure 1.5 and the bottom plate 1.3 is extruded from the liquid enclosure 1.5, and the extruded water flows into the space formed by the liquid enclosure 1.5, the shell 1.6 and the bottom plate 1.3 through the liquid outlet 1.4.
When the liquid return prevention chimney stops working in a short time, the liquid return prevention chimney can be directly used.
When the equipment needs to be moved, the chimney detachable part 2 is directly detached, and the fastener 3 is installed on the chimney fixing part 1.
The invention has the beneficial effects that:
1. the problems of reflux of condensed liquid on the chimney wall, pollution on the operation site and the like of the traditional chimney are solved;
2. has the characteristics of convenient disassembly and assembly and convenient transportation.
The foregoing examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention, and all designs that are the same or similar to the present invention are within the scope of the present invention.
Claims (2)
1. The utility model provides a prevent liquid back chimney which characterized in that: the device comprises a chimney fixing part (1), a chimney detachable part (2) and a fastener (3), wherein the chimney detachable part (2) is fixed on the upper part of the chimney fixing part (1) through the fastener (3);
the chimney fixing part (1) comprises a flange (1.1), a flow guide pipe (1.2), a bottom plate (1.3), a liquid drain port (1.4), a liquid sealing shell (1.5), a shell (1.6) and a flow guide nozzle (1.7), wherein the top and the bottom of the flow guide pipe (1.2) are respectively connected with the flow guide nozzle (1.7) and the flange (1.1), the bottom plate (1.3) is sleeved on the outer side of the middle part of the flow guide pipe (1.2), the liquid sealing shell (1.5) and the shell (1.6) are vertically sleeved on the outer side of the flow guide pipe (1.2) from inside to outside in sequence, the bottom of the liquid sealing shell is connected to the upper part of the bottom plate (1.3), the liquid drain port (1.4) is communicated with the lower part of the bottom plate (1.3) and is positioned between the liquid sealing shell (1.5) and the shell (1.6), and a light hole (1.6.1) is formed in the upper part of the shell (1.6);
the detachable part (2) of the chimney comprises a righting plate (2.1), a liquid separation barrel (2.2), a positioning plate (2.3) and a chimney body (2.4), wherein the chimney body (2.4), the positioning plate (2.3), the liquid separation barrel (2.2) and the righting plate (2.1) are sequentially connected from top to bottom, the righting plate (2.1) is connected to the inner side of the bottom of the liquid separation barrel (2.2), the positioning plate (2.3) is sleeved on the outer side of an interface between the top of the liquid separation barrel (2.2) and the bottom of the chimney body (2.4), a threaded hole (2.3.1) is formed in the side wall of the positioning plate (2.3), and a fastener (3) penetrates through the unthreaded hole (1.6.1) and is connected with the threaded hole (2.3.1) to the chimney fixing part (1) and the detachable part (2).
2. The anti-liquid back chimney of claim 1, wherein: the centering plate (2.1) is provided with a central round hole (2.1.1), the inner wall of the centering plate (2.1) is provided with a plurality of grooves (2.1.2), and the grooves (2.1.2) are uniformly distributed along the circumferential direction of the inner wall of the centering plate (2.1);
the liquid separation barrel (2.2) is vertically sleeved between the liquid enclosure (1.5) and the flow guide pipe (1.2), a space formed by the liquid separation barrel (2.2) and the flow guide pipe (1.2) is communicated with a space formed by the liquid separation barrel (2.2) and the liquid enclosure (1.5), and the flow guide nozzle (1.7) is positioned in the bottom of the chimney body (2.4) and forms an annular channel with the edge of the bottom of the chimney body (2.4);
the heights of the liquid sealing shell (1.5) and the liquid separating barrel (2.2) are 2/3-3/4 of the height of the shell (1.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529613.8A CN107314386B (en) | 2017-07-02 | 2017-07-02 | Liquid return prevention chimney |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710529613.8A CN107314386B (en) | 2017-07-02 | 2017-07-02 | Liquid return prevention chimney |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107314386A CN107314386A (en) | 2017-11-03 |
| CN107314386B true CN107314386B (en) | 2023-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710529613.8A Active CN107314386B (en) | 2017-07-02 | 2017-07-02 | Liquid return prevention chimney |
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| Country | Link |
|---|---|
| CN (1) | CN107314386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7389452B2 (en) * | 2019-07-17 | 2023-11-30 | 株式会社ヒラカワ | Combustion equipment with a recovery device for condensed water generated in the flue |
| CN110934338B (en) * | 2019-12-09 | 2021-11-12 | 同济大学 | Condensate recovery type electron cigarette |
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| WO2010131282A2 (en) * | 2009-05-12 | 2010-11-18 | Ln 2 S.R.L. A Socio Unico | Fume-discharge device for boilers |
| CN202757139U (en) * | 2012-09-10 | 2013-02-27 | 李金柱 | Condensate water flow guide device |
| CN202937951U (en) * | 2012-10-31 | 2013-05-15 | 上海迪夫格环境科技有限公司 | Chimney expansion joint |
| CN103343647A (en) * | 2013-07-16 | 2013-10-09 | 武汉理工大学 | Chimney adopting glass fiber reinforced plastic chimney inner barrel to discharge low-temperate high-humidity smoke |
| CN203464304U (en) * | 2013-08-20 | 2014-03-05 | 上海迪夫格环境科技有限公司 | Device for collecting condensed fluid outside inner cylinder wall of top of wet chimney |
| CN205095952U (en) * | 2015-11-03 | 2016-03-23 | 中冶华天工程技术有限公司 | System of falling into water is prevented to electricity defogging expansion compensation |
| CN105737179A (en) * | 2016-04-23 | 2016-07-06 | 王和平 | Boiler service life prolonging device |
| CN207394888U (en) * | 2017-07-02 | 2018-05-22 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of chimney for preventing liquid from flowing back |
-
2017
- 2017-07-02 CN CN201710529613.8A patent/CN107314386B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010131282A2 (en) * | 2009-05-12 | 2010-11-18 | Ln 2 S.R.L. A Socio Unico | Fume-discharge device for boilers |
| CN202757139U (en) * | 2012-09-10 | 2013-02-27 | 李金柱 | Condensate water flow guide device |
| CN202937951U (en) * | 2012-10-31 | 2013-05-15 | 上海迪夫格环境科技有限公司 | Chimney expansion joint |
| CN103343647A (en) * | 2013-07-16 | 2013-10-09 | 武汉理工大学 | Chimney adopting glass fiber reinforced plastic chimney inner barrel to discharge low-temperate high-humidity smoke |
| CN203464304U (en) * | 2013-08-20 | 2014-03-05 | 上海迪夫格环境科技有限公司 | Device for collecting condensed fluid outside inner cylinder wall of top of wet chimney |
| CN205095952U (en) * | 2015-11-03 | 2016-03-23 | 中冶华天工程技术有限公司 | System of falling into water is prevented to electricity defogging expansion compensation |
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| CN207394888U (en) * | 2017-07-02 | 2018-05-22 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of chimney for preventing liquid from flowing back |
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| Publication number | Publication date |
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| CN107314386A (en) | 2017-11-03 |
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Effective date of registration: 20201202 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 710018 Shaanxi city of Xi'an province Weiyang District four road Fengcheng Changqing Technology Building Applicant before: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. |
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