CN105863175A - Combustion exhaust gas outlet structure - Google Patents
Combustion exhaust gas outlet structure Download PDFInfo
- Publication number
- CN105863175A CN105863175A CN201610376409.2A CN201610376409A CN105863175A CN 105863175 A CN105863175 A CN 105863175A CN 201610376409 A CN201610376409 A CN 201610376409A CN 105863175 A CN105863175 A CN 105863175A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pipe
- gas outlet
- outlet structure
- exhaust gas
- 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.)
- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000003546 flue gas Substances 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000003345 natural gas Substances 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the field of exhaust pipe fittings and discloses a combustion exhaust gas outlet structure which comprises an exhaust gas discharge pipe mounted on a roof deck, wherein the lower end of the exhaust gas discharge pipe is connected with an exhaust gas output pipe; a through hole is formed in the roof deck; the inner wall of the through hole of the roof deck is connected with a waterproof ring; the two ends of the waterproof ring go beyond the roof deck surface on the same side; the exhaust gas discharge pipe comprises an upper steel pipe and a lower steel pipe; the upper steel pipe and the lower steel pipe are connected through a flange; the lower end of the flange is fixedly connected with a ferrule; and a gap for inserting the upper end of the waterproof ring is formed between the ferrule and the lower steel pipe. Compared with the prior art, the combustion exhaust gas outlet structure disclosed by the invention has the advantages that the structure is convenient and quick to assemble and disassemble, the auxiliary construction period is shortened, the exhaust gas discharge pipe and the roof deck after disassembly can be used as a whole respectively for recycling, and the repeated utilization rate of the materials is increased.
Description
Technical field
The present invention relates to discharge duct accessory field.
Background technology
One of natural gas main force's energy having become developed country, the advantage with high heating value, low emission.In recent years, along with China's attention to natural gas utilization of energy, China's natural gas consumption figure occurs increasing substantially with import volume, and natural gas is the most more and more used in power field.
The equipment of natural gas generating is natural gas generating set, and natural gas generating set has the advantage that startup is rapid, easy to adjust, and the safe and stable operation of power system can be played important guaranteeing role.Along with the extensive development of the intermittence power supplys such as China's wind-powered electricity generation, power system peak regulation demand will be gradually increased, for meeting power system peak regulation demand, improving the economy of Operation of Electric Systems, rationally and make full use of gas-fired station and carry out generating and become particularly important.
The operation principle of gas-fired station is: combustion gas and air are sufficiently mixed and are filled with an internal combustion engine, makes fuel gas buring by high voltage electric energy igniting, promotes internal combustion engine to run, converts heat into mechanical energy, be converted into electric energy through excitation generator.Fuel gas buring can produce substantial amounts of high-temp waste gas, needs to get rid of timely, it is to avoid the operation to gas-fired station impacts.Existing gas-fired station includes that room, power station, room, power station include roofing board, and the exhaust pipe being arranged on roofing board, and the lower end of exhaust pipe is connected with the exhaust output tube of gas-fired station.Gas-fired station produces vibrations in the meeting of running, vibrations pass to exhaust pipe, exhaust pipe is made to rock, therefore for fixing exhaust pipe, prevent exhaust pipe from rocking, generally open a through hole in the class on roof, directly exhaust pipe is run through through hole, and exhaust pipe outer tube wall and through hole are carried out welded seal, prevent foreign body or rainwater from falling into power station from the gap between through hole and tube wall indoor.
But, this structure has the disadvantage that owing to gas-fired station is typically along with the foundation of energy development engineering, usually need to carry out dismantling and movement according to job site, it is difficult to take off after said structure exhaust pipe and shingle welding, part noumenon must be destroyed can take off, and exhaust pipe or the shingle after destroying cannot be reused, reduce the repeat usage of structure, build a station simultaneously every time and be required for carrying out welding position repeats welding, add the auxiliary construction duration, add the cost of total body construction.
Summary of the invention
The invention is intended to provide a kind of combustion flue gas outlet structure, it is possible to achieve exhaust pipe quick, mount and dismount easily, and realize reusing of structure, shorten the auxiliary construction duration, reduce construction cost.
Combustion flue gas outlet structure in this programme, including the exhaust pipe being arranged on roofing board, the lower end of described exhaust pipe connects exhaust output tube, and described roofing board has through hole, roofing board through-hole wall connects water proof ring, and the two ends of water proof ring are beyond the shingle plate face of its homonymy；Described exhaust pipe includes that steel pipe and lower steel pipe, upper steel pipe and lower steel pipe pass through Flange joint, and the lower end of described flange is fixedly connected with lasso, forms the gap inserted for water proof ring upper end between lasso and lower steel pipe.
The work process of this programme: upper steel pipe and lower steel pipe are attached by flange, complete the installation of exhaust pipe；The exhaust pipe assembled being passed water proof ring, makes to be enclosed within outside lasso on water proof ring, water proof ring is clipped in the gap of lower steel pipe and lasso, thus completes whole installation process.
Compared to the prior art such scheme, has the advantage that
1. only the exhaust pipe assembled need to be passed water proof ring when installing, will be enclosed within outside sleeve pipe on water proof ring, mount and dismount convenient and swift, shorten the duration of auxiliary construction；2. the two ends of water proof ring exceed roofing board, are enclosed within water proof ring outside lasso, by the extraneous and opening isolation of water proof ring, prevent foreign material or rainwater from entering room, power station between the gap of water proof ring and lower steel pipe；3. dismounting after exhaust pipe and roofing board respectively as an entirety, can reuse, improve the repeat usage of material.
Further, it is connected by corrugated tube between described lower steel pipe and exhaust output tube.Gas-fired station can produce larger vibration in running, and vibrations pass to corrugated tube by exhaust output tube, owing to corrugated tube itself has preferable cushioning effect, has vibrations and certain slows down effect, slow down upper steel pipe and the vibrations of lower steel pipe, prevent from rocking；The waste gas that gas-fired station produces in running is all along with high temperature, after waste gas is got rid of, exhaust output tube returns to ambient temperature, variations in temperature the most frequently is there is between Zhe Liangzhe, cause exhaust output tube and lower steel pipe, make exhaust output tube and lower steel pipe expand with heat and contract with cold and produce bigger additional stress, owing to corrugated tube itself has preferable cushioning effect, the generation of additional stress can be eliminated timely, prevent the additional stress damage to machine.
Further, described exhaust output tube is provided with bending section, and described bending section is provided with dirt fairlead, and described dirt fairlead is combined with drain plug.The flow velocity of off-gas flows is had and certain slows down effect by the bending section of described exhaust output tube, takes off drain plug, can clear up the waste residue in exhaust output tube and waste liquid.
Further, the outer wall of described upper steel pipe connecting and has otic placode, described otic placode is hinged with carrier bar, carrier bar connects near one end of upper steel pipe cover plate, and carrier bar has balancing weight away from one end of upper steel pipe is with bolts.Under normal circumstances, the moment that cover plate and balancing weight produce reaches balance, and cover plate covers on upper steel pipe, is closed by upper steel pipe, it is to avoid rainwater and foreign body fall in pipe；When gas-fired station scavenges, can produce air pressure, thus break the balance of cover plate and balancing weight in pipe, air pressure pushes cover plate, and the dual function lower cover at balancing weight and air pressure makes carrier bar rotate along the direction that cover plate is opened, and opens cover plate, makes waste gas get rid of；After waste gas is discharged, intraductal atmospheric pressure reduces, and carrier bar rotates backward again under cover plate Gravitative Loads, and cover plate resets.This structure can effectively prevent rainwater and foreign material from falling into exhaust pipe, reduces mechanical disorder odds.
Further, described carrier bar and balancing weight all having three through holes for installing bolt, three through holes are positioned on same vertical curve.Three bolts are fixed to be compared the fixing balancing weight that is prevented from of a bolt and rotates relative to carrier bar, and, owing to through hole exists certain dimensional tolerance in the course of processing, use the installation site of a through hole location balancing weight, there is certain error, cause balancing weight not reach the location dimension of design, affect the torque accuracy of carrier bar right-hand member.
Further, described otic placode includes two installing plates positioned opposite, and connecting between two installing plates has bolt, and bolt is cased with rotating pipe box outward, and described carrier bar is connected on this sleeve pipe.More reasonable in the supporting construction of two installing plates, prevent carrier bar from deflecting, cause cover plate to cover tightly.
Accompanying drawing explanation
Fig. 1 is the structural representation of combustion flue gas outlet constructive embodiment of the present invention；
Fig. 2 is the mounting structure schematic diagram of combustion flue gas outlet constructive embodiment of the present invention；
Fig. 3 is the structural representation in Fig. 1 at A-A.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference in Figure of description includes: shingle 1, water proof ring 11, upper steel pipe 2, upper flange 21, cover plate 3, carrier bar 31, installing plate 331, balancing weight 32, otic placode 33, lower steel pipe 4, lower flange 41, lasso 42, corrugated tube 5, clip 51, exhaust output tube 6, dirt fairlead 61, drain plug 62.
Embodiment is substantially as shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: gas-fired station includes the room, power station accommodating power station assembly, the top of this room, power station is roofing board, through hole is had on this roofing board, the lower end edge through hole of roofing board is welded with water proof ring 11, the two ends of this water proof ring 11 all beyond the plate face of roofing board, roofing board are provided with the exhaust pipe running through water proof ring 11.
Exhaust pipe includes that steel pipe 2 and lower steel pipe 4, the lower end of described upper steel pipe 2 are welded with upper flange 21, and the upper end of lower steel pipe 4 is welded with lower flange 41, upper flange 21 and lower flange 41 and is bolted and now upper steel pipe 2 and lower steel pipe 4 is connected.Under the lower end edge of lower flange 41, the periphery of steel pipe 4 is welded with the lasso 42 of annular, leaves gap between this lasso 42 and lower steel pipe 4.
Being welded with otic placode 33 on the outer wall of upper steel pipe 2, otic placode 33 is made up of two installing plates 331 positioned opposite, and connecting between two installing plates 331 has bolt, and bolt is cased with rotating pipe box outward, and described carrier bar 31 is connected on this sleeve pipe.The left end of carrier bar 31 is welded with cover plate 3, and the area of cover plate 3 is more than the area of section of steel pipe；The right-hand member of carrier bar 31 is with bolts on balancing weight 32, carrier bar 31 and balancing weight 32 three through holes all having for installing bolt, and three through holes are positioned on same vertical curve.Three bolts are fixed to be compared the fixing balancing weight 32 that is prevented from of a bolt and rotates relative to carrier bar 31, and, owing to through hole exists certain dimensional tolerance in the course of processing, use the installation site of a through hole location balancing weight 32, there is certain error, cause balancing weight 32 not reach the location dimension of design, affect the torque accuracy of carrier bar 31 right-hand member.
The lower end of lower steel pipe 4 is socketed with corrugated tube 5, and the outer wall of the belled position of corrugated tube 5 is provided with clip 51, and clip 51 is fastened by screw, and the lower end of corrugated tube 5 and the exhaust output tube 6 of gas-fired station connect, and same employing clip 51 connects.Exhaust output tube 6 is provided with bending section, and described bending section is provided with dirt fairlead 61, and described dirt fairlead 61 connects drain plug 62.
The installation process of this structure: upper steel pipe 2 and upper flange 21 are sealed welding, lower steel pipe 4 and lower flange 41 seal welding, lasso 42 is welded again on lower flange 41, be enclosed within outside lasso 42 lower steel pipe 4 outside and and lower steel pipe 4 between leave gap, use bolt by upper flange 21 and the fixing connection of lower flange 41, i.e. complete the installation of exhaust pipe；Being welded along the through hole of shingle 1 by water proof ring 11, the two ends of water proof ring 11 exceed shingle 1；The exhaust pipe assembled being passed water proof ring 11, makes to be enclosed within outside lasso 42 on water proof ring 11, water proof ring 11 is clipped in the gap of lower steel pipe 4 and lasso 42, thus completes whole installation process.
The moment that work process: under normal circumstances, cover plate 3 and balancing weight 32 produce reaches balance, and cover plate 3 covers on upper steel pipe 2, is closed by upper steel pipe 2, it is to avoid rainwater and foreign body fall in pipe；When gas-fired station scavenges, can produce air pressure, thus break cover plate 3 and the balance of balancing weight 32 in pipe, air pressure pushes cover plate 3, and the bolt at balancing weight 32 and air pressure makes carrier bar 31 rotate clockwise from effect lower cover 3, opens cover plate 3, makes waste gas get rid of；After waste gas is discharged, intraductal atmospheric pressure reduces, and carrier bar 31 rotates counterclockwise again under cover plate 3 Gravitative Loads, and cover plate 3 resets.
Above-described is only embodiments of the invention, and in scheme, the known general knowledge such as concrete structure and characteristic too much describes at this.Should be understood that; for a person skilled in the art, on the premise of without departing from present configuration, it is also possible to make some deformation and improvement; these also should be considered as protection scope of the present invention, and these are all without affecting effect and the practical applicability that the present invention implements.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (6)
1. a combustion flue gas outlet structure, including the exhaust pipe being arranged on roofing board, the lower end of described exhaust pipe connects exhaust output tube, it is characterized in that: on described roofing board, have through hole, roofing board through-hole wall connects water proof ring, and the two ends of water proof ring are beyond the shingle plate face of its homonymy；Described exhaust pipe includes that steel pipe and lower steel pipe, upper steel pipe and lower steel pipe pass through Flange joint, and the lower end of described flange is fixedly connected with lasso, forms the gap inserted for water proof ring upper end between lasso and lower steel pipe.
A kind of combustion flue gas outlet structure the most according to claim 1, it is characterised in that: it is connected by corrugated tube between described lower steel pipe and exhaust output tube.
A kind of combustion flue gas outlet structure the most according to claim 1 and 2, it is characterised in that: described exhaust output tube is provided with bending section, and described bending section is provided with dirt fairlead, and described dirt fairlead is combined with drain plug.
A kind of combustion flue gas outlet structure the most according to claim 1 and 2, it is characterized in that: connecting on the outer wall of described upper steel pipe has otic placode, being hinged with carrier bar on described otic placode, carrier bar connects near one end of upper steel pipe cover plate, and carrier bar has balancing weight away from one end of upper steel pipe is with bolts.
A kind of combustion flue gas outlet structure the most according to claim 4, it is characterised in that: all having three through holes for installing bolt on described carrier bar and balancing weight, three through holes are positioned on same vertical curve.
A kind of combustion flue gas outlet structure the most according to claim 5, it is characterised in that: described otic placode includes two installing plates positioned opposite, and connecting between two installing plates has bolt, and bolt is cased with rotating pipe box outward, and described carrier bar is connected on this sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610376409.2A CN105863175B (en) | 2016-05-31 | 2016-05-31 | A kind of combustion flue gas outlet structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610376409.2A CN105863175B (en) | 2016-05-31 | 2016-05-31 | A kind of combustion flue gas outlet structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105863175A true CN105863175A (en) | 2016-08-17 |
| CN105863175B CN105863175B (en) | 2018-07-24 |
Family
ID=56643043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610376409.2A Active CN105863175B (en) | 2016-05-31 | 2016-05-31 | A kind of combustion flue gas outlet structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105863175B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4119127C2 (en) * | 1990-06-13 | 2002-10-31 | Ahlmann Aco Severin | Flat roof drain |
| CN2611610Y (en) * | 2003-03-14 | 2004-04-14 | 胜利石油管理局黄河钻井总公司钻井五公司 | Fast detaching exhaust pipe |
| JP4431240B2 (en) * | 2000-02-18 | 2010-03-10 | 筒中シート防水株式会社 | Structure around the pipe lead-out part of the waterproof seat structure |
| CN102605934A (en) * | 2011-12-31 | 2012-07-25 | 徐仁春 | Gas delivery device and installation method thereof |
| CN203452882U (en) * | 2013-08-19 | 2014-02-26 | 衡阳泰豪通信车辆有限公司 | Exhaust emission device for mobile power station |
| CN203822438U (en) * | 2014-04-28 | 2014-09-10 | 无锡百发电机有限公司 | Plug-in type bellows mounting structure |
| CN204152103U (en) * | 2014-10-25 | 2015-02-11 | 江苏国望高科纤维有限公司 | Leak-proof device reinforced by a kind of roofing |
| CN104775570A (en) * | 2015-04-20 | 2015-07-15 | 华国洋 | Rainproof smoke outlet of roof smoke exhaust fan |
| CN204676787U (en) * | 2015-05-15 | 2015-09-30 | 甘肃第六建设集团股份有限公司 | There is the accessible roof exhaust system of assembling stainless steel Ventilated cap |
| CN205100447U (en) * | 2015-11-04 | 2016-03-23 | 江苏经贸职业技术学院 | Prevent rain water leakage's roofing blast pipe |
| CN205242876U (en) * | 2015-12-14 | 2016-05-18 | 山西四建集团有限公司 | Roofing structure with hidden exhaust passage |
| CN205804786U (en) * | 2016-05-31 | 2016-12-14 | 张玉国 | A kind of combustion flue gas outlet structure |
-
2016
- 2016-05-31 CN CN201610376409.2A patent/CN105863175B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4119127C2 (en) * | 1990-06-13 | 2002-10-31 | Ahlmann Aco Severin | Flat roof drain |
| JP4431240B2 (en) * | 2000-02-18 | 2010-03-10 | 筒中シート防水株式会社 | Structure around the pipe lead-out part of the waterproof seat structure |
| CN2611610Y (en) * | 2003-03-14 | 2004-04-14 | 胜利石油管理局黄河钻井总公司钻井五公司 | Fast detaching exhaust pipe |
| CN102605934A (en) * | 2011-12-31 | 2012-07-25 | 徐仁春 | Gas delivery device and installation method thereof |
| CN203452882U (en) * | 2013-08-19 | 2014-02-26 | 衡阳泰豪通信车辆有限公司 | Exhaust emission device for mobile power station |
| CN203822438U (en) * | 2014-04-28 | 2014-09-10 | 无锡百发电机有限公司 | Plug-in type bellows mounting structure |
| CN204152103U (en) * | 2014-10-25 | 2015-02-11 | 江苏国望高科纤维有限公司 | Leak-proof device reinforced by a kind of roofing |
| CN104775570A (en) * | 2015-04-20 | 2015-07-15 | 华国洋 | Rainproof smoke outlet of roof smoke exhaust fan |
| CN204676787U (en) * | 2015-05-15 | 2015-09-30 | 甘肃第六建设集团股份有限公司 | There is the accessible roof exhaust system of assembling stainless steel Ventilated cap |
| CN205100447U (en) * | 2015-11-04 | 2016-03-23 | 江苏经贸职业技术学院 | Prevent rain water leakage's roofing blast pipe |
| CN205242876U (en) * | 2015-12-14 | 2016-05-18 | 山西四建集团有限公司 | Roofing structure with hidden exhaust passage |
| CN205804786U (en) * | 2016-05-31 | 2016-12-14 | 张玉国 | A kind of combustion flue gas outlet structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105863175B (en) | 2018-07-24 |
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