CN109899776A - Tripping in formula exhaust boiler lower smoke box - Google Patents
Tripping in formula exhaust boiler lower smoke box Download PDFInfo
- Publication number
- CN109899776A CN109899776A CN201910192942.7A CN201910192942A CN109899776A CN 109899776 A CN109899776 A CN 109899776A CN 201910192942 A CN201910192942 A CN 201910192942A CN 109899776 A CN109899776 A CN 109899776A
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- China
- Prior art keywords
- smoke box
- lower smoke
- box ontology
- exhaust gas
- gas inlet
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- Details Of Fluid Heaters (AREA)
Abstract
The invention discloses a kind of tripping in formula exhaust boiler lower smoke box comprising the lower smoke box ontology of a cylindrical structure and a cabinet below lower smoke box outer body；Cabinet is attached in the barrel surface of lower smoke box ontology, and is connected to lower smoke box body interior；Cabinet has the top plate that tilts down along barrel surface, the concordant horizonal base plate in the bottom surface of He Yiyu lower box ontology, is vertically equipped with an exhaust gas inlet short tube on horizonal base plate, the horizontal projected area of cabinet is greater than the caliber of exhaust gas inlet short tube；The upper port of exhaust gas inlet short tube is higher than the bottom surface of lower box ontology；When there are when horizontal intersecting area for the barrel surface of the upper port cross section of exhaust gas inlet short tube and lower smoke box ontology, on the basis of the joint of top plate and barrel surface, inner surface along barrel surface can at least cover horizontal intersecting area to one horizontal baffle of extension welding, the floor projection of the outer profile of horizontal baffle at axis.The tripping in formula exhaust boiler lower smoke box can be reduced significantly the space occupied in horizontal direction.
Description
Technical field
The present invention relates to a kind of tripping in formula exhaust boiler lower smoke box.
Background technique
For the economy of the thermal energy, raising shipping transport that make full use of boat diesel engine to be vented, will be installed on ship useless
Gas boiler.And by the requirement of exhaust boiler producer, a cavity is connected at the exhaust gas inlet below exhaust boiler.Diesel engine row
Exhaust gas in air pipe first passes through the cavity, enters back into exhaust boiler.The cavity is referred to as exhaust boiler lower smoke box (under hereinafter referred to as
Smoke box).The effect of lower smoke box is: 1, facilitate personnel to enter inside it, the heat exchanger tube close to inside exhaust boiler, implementation cleaning dimension
Shield operation；2, the shape of lower smoke box passes through special designing, can retain, collects and release from the rainwater under exhaust boiler inside stream
And ejected wash water, avoid it from flowing into diesel engine along gas exhaust piping.
The exhaust gas inlet of conventional lower smoke box can be disposed in side, enter exhaust pipe to avoid top is overboard；Water is then under
Collect, release and drain in the bottom of smoke box.
Above-mentioned routine lower smoke box is suitble to gas exhaust piping to approach the situation of horizontal angle access.If gas exhaust piping is vertical
Arrangement, it is necessary to be staggered completely with lower smoke box in the horizontal direction and reserve a distance, to arrange elbow, then to approach water
Flat angle access, specifically as shown in Figure 1, the reference numerals are as follows in Fig. 1: 1- lower smoke box ontology；2- waste gas outlet flange；
3- exhaust gas inlet flange；4- manhole；5- lifting ear plate；6- bleed outlet；7- exhaust pipe.
As seen from Figure 1, elbow can occupy biggish space in the horizontal direction (radius of curvature R is between 0.75~1.5
Between times pipeline outer diameter), it the case where for limited space, for example on narrow chimney inside exhaust pipe road is all vertical particularly
Arrangement, if to arrange 2 sets or more of exhaust boiler system, has been easy for the insufficient problem in space.
Summary of the invention
The technical problem to be solved by the present invention is in order to overcome lower smoke box in the prior art matching exhaust pipe vertically connect
It is horizontally mounted the defect of insufficient space caused by being easy to produce due to elbow introduces when the situation entered, and provides a kind of tripping in formula
Exhaust boiler lower smoke box.Tripping in formula exhaust boiler lower smoke box provided by the invention is generally peculiar to vessel, and from bottom inflow, and energy
It is reduced significantly the space occupied in horizontal direction, enough conducive to realizing and optimizing the exhaust boiler in small space and its pipeline system
The arrangement of system.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of tripping in formula exhaust boiler lower smoke box comprising the lower smoke box ontology of a cylindrical structure and
One is located at the cabinet of the outer side-lower of the lower smoke box ontology；The cabinet is attached at the cylinder of the lower smoke box ontology from outside
On face, and it is connected to the inside of the lower smoke box ontology；There is the cabinet barrel surface along the lower smoke box ontology to dip down
It is useless to be vertically equipped with one on the horizonal base plate for oblique top plate and a horizonal base plate concordant with the bottom surface of the lower box ontology
Gas inlet short pipe, the horizontal projected area of the cabinet are greater than the caliber of the exhaust gas inlet short tube；The exhaust gas inlet short tube
Upper port be higher than the lower box ontology bottom surface；
When the upper port cross section of the exhaust gas inlet short tube is intersected with the barrel surface of the lower smoke box ontology in the presence of level
When region, on the basis of the joint of the top plate of the cabinet and the barrel surface, along the inner surface of the barrel surface, Xiang Suoshu
Extend one horizontal baffle of welding at the axis of barrel surface, the floor projection of the outer profile of the horizontal baffle can at least cover described
Horizontal intersecting area.
In the present invention, exhaust gas inlet short tube is located at the part on the outside of cylindrical body, is covered completely by cabinet.
Preferably, the exhaust gas inlet short tube axis setting far from cylindrical body in the horizontal direction.
More preferably, the exhaust gas inlet short tube in the horizontal direction far from cylindrical body barrel surface setting, the exhaust gas into
The upper port cross section of mouth short tube and the barrel surface of the lower smoke box ontology without horizontal intersecting area are not required to that the water is arranged at this time
Flat baffle.At this point, the top plate of the cabinet can be completely covered by the upper port of the exhaust gas inlet short tube.
Preferably, the cabinet is formed using flat plate splicing, tightly engaged with the periphery of the lower smoke box ontology,
Inside communicates.The bottom of box is equivalent to the horizontal extension of cylindrical base.The meaning of the top of the slope of cabinet is to guide from upper end of short tube
The exhaust gas of discharge flows into cylindrical body naturally and lacks by resistance.
That is, exhaust gas inlet short tube in the horizontal direction should be as far as possible far from the center of cylindrical body, and short tube section
More fewer better with the intersecting area of cylindrical cross-section, its object is to avoid the water flowed down from cylinder upper end to fall into short tube in turn as far as possible
The diesel engine for flowing into lower section causes equipment damage.Degree of the short tube far from cylindrical center is determined that environment is empty by environment space size
Between it is bigger, allow shape bigger, short tube can be remoter from cylindrical center, short tube to keep away water effect better.When short tube section
When there is intersection with cylindrical cross-section, then the horizontal baffle is set in cabinet top of the slope and cylindrical body intersection, it is short for blocking lower section
The part that pipe exposes is not drenched by water.
According to this field conventional structure, the upper end opening of the lower smoke box ontology, bottom surface sealing, it is circular useless that upper end sets one
Gas outlet(discharge) flange matches connection for the lower end air inlet with exhaust boiler.
Preferably, the diameter of the cylindrical body of the lower smoke box ontology is identical as the bore of lower end air inlet of exhaust boiler.
Preferably, the bore of the exhaust gas inlet short tube is less than the diameter of the cylindrical body of the lower smoke box ontology.In addition, useless
The upper port of gas inlet short pipe is apparently higher than the bottom surface of cylindrical body, and cylinder bottom ponding is prevented to pour into.
Preferably, the lower port of the exhaust gas inlet short tube is equipped with exhaust gas inlet flange, for vertical with lower section diesel engine
The matching of gas exhaust piping connects.Exhaust gas inlet flange is matched with the specification of the flange of externally connected exhaust pipe.
Preferably, the bottom center of the lower smoke box ontology there also is provided the drainage short tube with circular flange, it is used for
The water that the lower smoke box body bottom portion is built up is imported drain water circuit to drain.Because the area of the bottom surface is larger, to keep rigidity, compared with
Goodly, if the reinforcing rib intersected in length and breadth in its lower surface arrangement arterial highway.Reinforcing rib is in order to prevent it is not recommended that be arranged in upper surface
Is flowed by drain water circuit and is constituted for ponding and is hindered.When cylindrical body bottom surface is little, that reinforcement can not do not installed when obviously deformation is dangerous
Muscle.
Preferably, the side of the cylindrical body of the lower smoke box ontology is additionally provided with the manhole of a cover plate, facilitate personnel
Observation enters.The direction of the manhole is determined by shipboard environment, is not conflicted with the cabinet.
Preferably, the top two sides of the cabinet and cylindrical sides are disposed with several lifting ear plates, transported for lower smoke box
Lifting defeated, in installation process.The quantity of the lifting ear plate should be no less than 3, and specific location can according to the actual situation really
It is fixed.Need to only it ensure when these lifting ear plates are simultaneously in use, lower smoke box is able to maintain upright posture.
Other attachmentes can be installed according to actual needs, including but not limited on the cylindrical sides of lower smoke box ontology 1
Instrumentation tap hand hole cover, is marked time, thermal insulation material fixing piece etc..
The positive effect of the present invention is that: novel lower smoke box proposed by the present invention it is specific as follows the utility model has the advantages that
1. the cabinet of side is compared to conventional elbow of pipeline, hence it is evident that reduce the occupancy to horizontal space, significantly reduce
In chimney same plane arrange two sets (or more) difficulty of exhaust boiler system.Identical equipment same layer, which is arranged in juxtaposition, facilitates people
The operation and maintenance of member；
2. the exhaust pipe below lower smoke box can be accessed vertically, greatly simplify pipeline arrangement and installation；
3. the inlet and outlet of lower smoke box is all vertically oriented to, all install in the horizontal plane, convenient for positioning and production, significantly
Fabrication error is reduced, interface position is more acurrate, reduces pipeline installation error indirectly.
Detailed description of the invention
Fig. 1 is the lower smoke box outline drawing (connecting containing exhaust pipe) of conventional type.
Fig. 2 is the lateral plan of the tripping in formula lower smoke box of the embodiment of the present application 1.
Fig. 3 is the axonometric drawing of the tripping in formula lower smoke box of the embodiment of the present application 1.
Fig. 4 is the top view of the tripping in formula lower smoke box of the embodiment of the present application 1.
In Fig. 2~Fig. 4, the reference numerals are as follows:
1 lower smoke box ontology
2 waste gas outlet flanges
3 cabinets
4 exhaust gas inlet flanges
5 drainage short tubes
6 reinforcing ribs
7 manholes
8 lifting ear plates
9 horizontal baffles
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Embodiment 1
As in Figure 2-4, a kind of tripping in formula exhaust boiler lower smoke box is present embodiments provided comprising a cylindrical structure
Lower smoke box ontology 1 and one be located at lower smoke box ontology 1 outer side-lower cabinet 3；Cabinet is attached at lower smoke box ontology 1 from outside
Barrel surface on, and be connected to the inside of lower smoke box ontology 1；There is cabinet 3 barrel surface along lower smoke box ontology 1 to tilt down
Top plate, the concordant horizonal base plate in the bottom surface of He Yiyu lower box ontology 1 are vertically equipped with an exhaust gas inlet short tube on horizonal base plate,
The horizontal projected area of cabinet 3 is greater than the caliber of exhaust gas inlet short tube；The upper port of exhaust gas inlet short tube is higher than lower box ontology 1
Bottom surface, prevent cylinder bottom ponding pour into, enter diesel engine along exhaust gas inlet short tube.
In the present embodiment, there are horizontal phases for the barrel surface of the upper port cross section of exhaust gas inlet short tube and lower smoke box ontology 1
Region is handed over, therefore also on the basis of the joint of the top plate of cabinet 3 and barrel surface, along the inner surface of barrel surface, to barrel surface
Extend one horizontal baffle 9 of welding at axis, the floor projection of the outer profile of horizontal baffle 9 can cover horizontal intersecting area, be used for
The part that lower section exhaust gas inlet short tube exposes is blocked not drenched by water.Exhaust gas inlet short tube is located at the part on the outside of cylindrical body, by case
Body 3 covers completely.
Cabinet 3 is formed using flat plate splicing, is tightly engaged with the periphery of lower smoke box ontology 1, inside communicates.Cabinet
3 bottom is equivalent to the horizontal extension of cylinder bottom.The meaning of the top of the slope of cabinet 3 is to guide from exhaust gas inlet upper end of short tube
The exhaust gas of discharge flows into cylindrical body naturally and lacks by resistance.
The upper end opening of lower smoke box ontology 1, bottom surface sealing, upper end set a circular waste gas outlet flange 2, are used for and exhaust gas
The lower end air inlet of boiler matches connection.The mouth of the lower end air inlet of the diameter and exhaust boiler of the cylindrical body of lower smoke box ontology 1
Diameter is identical.
The bore of exhaust gas inlet short tube is less than the diameter of the cylindrical body of lower smoke box ontology 1.The lower port of exhaust gas inlet short tube
Equipped with exhaust gas inlet flange 4, for being connect with the matching on lower section diesel engine vertical exhaust pipes road.Exhaust gas inlet flange 4 with it is external
The specification of the flange of exhaust pipe matches.
The bottom center of lower smoke box ontology 1 there also is provided the drainage short tube 5 with circular flange, be used for lower smoke box sheet
The water that 1 bottom of body is built up imports drain water circuit and drains.Because the area of the bottom surface is larger, to keep rigidity, also in its lower surface cloth
If setting the reinforcing rib 6 intersected in length and breadth arterial highway.
The side of the cylindrical body of lower smoke box ontology 1 is additionally provided with the manhole 7 of a cover plate, facilitates personnel's observation, enters.
The direction of the manhole 7 is determined by shipboard environment, is not conflicted with cabinet 3.
The top two sides of cabinet 3 and cylindrical sides are disposed with several lifting ear plates 8, for lower smoke box transport, install
Lifting in journey.
Embodiment 2
When installation environment width not very harsh to device width requirement or bigger is more advantageous to pipeline arrangement,
On the basis of embodiment 1, exhaust gas inlet short tube may be located remotely from cylindrical body；When except it being fully located at cylindrical body, horizontal baffle
It can cancel.No matter exhaust gas inlet short tube is at a distance of cylindrical body distance, the horizontal projected area of cabinet 3 should always slightly larger than exhaust gas into
The caliber of mouth short tube.
Lower smoke box provided by the invention can be reduced significantly the space occupied in horizontal direction, conducive to realizing and optimizing
The arrangement of exhaust boiler and its pipe-line system in small space.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of tripping in formula exhaust boiler lower smoke box, which is characterized in that it includes the lower smoke box ontology and one of a cylindrical structure
Positioned at the cabinet of the outer side-lower of the lower smoke box ontology；The cabinet is attached at the barrel surface of the lower smoke box ontology from outside
On, and be connected to the inside of the lower smoke box ontology；There is the cabinet barrel surface along the lower smoke box ontology to tilt down
Top plate and a horizonal base plate concordant with the bottom surface of the lower box ontology, an exhaust gas is vertically equipped on the horizonal base plate
Inlet short pipe, the horizontal projected area of the cabinet are greater than the caliber of the exhaust gas inlet short tube；The exhaust gas inlet short tube
Upper port is higher than the bottom surface of the lower box ontology；
When there are horizontal intersecting areas for the upper port cross section of the exhaust gas inlet short tube and the barrel surface of the lower smoke box ontology
When, on the basis of the joint of the top plate of the cabinet and the barrel surface, along the inner surface of the barrel surface, Xiang Suoshu cylinder
Extend one horizontal baffle of welding at the axis in face, the floor projection of the outer profile of the horizontal baffle can at least cover the level
Intersecting area.
2. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that the exhaust gas inlet short tube is in level
Side is upwardly away from the axis setting of cylindrical body.
3. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that when the exhaust gas inlet short tube is in water
Square it is upwardly away from the barrel surface setting of cylindrical body, the upper port cross section of the exhaust gas inlet short tube and the lower smoke box ontology
Barrel surface without horizontal intersecting area when, be not provided with the horizontal baffle.
4. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that the cabinet using flat plate splicing and
At tightly being engaged with the barrel surface of the lower smoke box ontology, inside communicates.
5. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that open the upper end of the lower smoke box ontology
Mouth, bottom surface sealing, upper end sets a circular waste gas outlet flange, matches connection for the lower end air inlet with exhaust boiler.
6. tripping in formula exhaust boiler lower smoke box as claimed in claim 5, which is characterized in that the cylindrical body of the lower smoke box ontology
Diameter it is identical as the bore of lower end air inlet of exhaust boiler.
7. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that the bore of the exhaust gas inlet short tube
Less than the diameter of the cylindrical body of the lower smoke box ontology；
The lower port of the exhaust gas inlet short tube is equipped with exhaust gas inlet flange, the matching for the vertical exhaust pipes road with diesel engine
Connection.
8. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that in the bottom surface of the lower smoke box ontology
The heart there also is provided the drainage short tube with circular flange, if the lower surface of the lower smoke box ontology there also is provided arterial highway phase in length and breadth
The reinforcing rib of friendship.
9. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that the cylindrical body of the lower smoke box ontology
Side be additionally provided with the manhole of a cover plate.
10. tripping in formula exhaust boiler lower smoke box as described in claim 1, which is characterized in that the top two sides of the cabinet and
Several lifting ear plates are disposed in the barrel surface of the lower smoke box ontology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192942.7A CN109899776B (en) | 2019-03-14 | 2019-03-14 | Lower smoke box of lower-entering type waste gas boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192942.7A CN109899776B (en) | 2019-03-14 | 2019-03-14 | Lower smoke box of lower-entering type waste gas boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109899776A true CN109899776A (en) | 2019-06-18 |
| CN109899776B CN109899776B (en) | 2020-02-07 |
Family
ID=66952612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910192942.7A Active CN109899776B (en) | 2019-03-14 | 2019-03-14 | Lower smoke box of lower-entering type waste gas boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109899776B (en) |
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| US4685426A (en) * | 1986-05-05 | 1987-08-11 | The Babcock & Wilcox Company | Modular exhaust gas steam generator with common boiler casing |
| JPH10300006A (en) * | 1997-04-23 | 1998-11-13 | Shinagawa Refract Co Ltd | Inlet structure of boiler flue |
| CN201293572Y (en) * | 2008-11-21 | 2009-08-19 | 北京中科正石节能技术有限公司 | Flue gas waste heat recovery machine |
| CN201575442U (en) * | 2009-12-25 | 2010-09-08 | 上海外高桥造船有限公司 | Boiler for ship |
| CN102213408A (en) * | 2011-07-11 | 2011-10-12 | 张家港格林沙洲锅炉有限公司 | Fuel oil and waste gas combining boiler |
| CN202329369U (en) * | 2011-11-28 | 2012-07-11 | 广州中船黄埔造船有限公司 | Smoke flow guide pore plate for exhaust boiler |
| CN205090413U (en) * | 2015-10-29 | 2016-03-16 | 福建海宏船舶工程设计有限公司 | New type boiler advances tobacco pipe arrangement structure for boats and ships |
| CN106996705A (en) * | 2017-05-05 | 2017-08-01 | 张家港格林沙洲锅炉有限公司 | The cigarette journey structure of marine heat recovery boiler |
| JP2017181007A (en) * | 2016-03-31 | 2017-10-05 | Ｊｆｅエンジニアリング株式会社 | Blockage suppression device and blockage suppression method for boiler |
| CN206626591U (en) * | 2017-04-10 | 2017-11-10 | 中冶东方控股有限公司 | Self-dewatering type chimney |
-
2019
- 2019-03-14 CN CN201910192942.7A patent/CN109899776B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4685426A (en) * | 1986-05-05 | 1987-08-11 | The Babcock & Wilcox Company | Modular exhaust gas steam generator with common boiler casing |
| JPH10300006A (en) * | 1997-04-23 | 1998-11-13 | Shinagawa Refract Co Ltd | Inlet structure of boiler flue |
| CN201293572Y (en) * | 2008-11-21 | 2009-08-19 | 北京中科正石节能技术有限公司 | Flue gas waste heat recovery machine |
| CN201575442U (en) * | 2009-12-25 | 2010-09-08 | 上海外高桥造船有限公司 | Boiler for ship |
| CN102213408A (en) * | 2011-07-11 | 2011-10-12 | 张家港格林沙洲锅炉有限公司 | Fuel oil and waste gas combining boiler |
| CN202329369U (en) * | 2011-11-28 | 2012-07-11 | 广州中船黄埔造船有限公司 | Smoke flow guide pore plate for exhaust boiler |
| CN205090413U (en) * | 2015-10-29 | 2016-03-16 | 福建海宏船舶工程设计有限公司 | New type boiler advances tobacco pipe arrangement structure for boats and ships |
| JP2017181007A (en) * | 2016-03-31 | 2017-10-05 | Ｊｆｅエンジニアリング株式会社 | Blockage suppression device and blockage suppression method for boiler |
| CN206626591U (en) * | 2017-04-10 | 2017-11-10 | 中冶东方控股有限公司 | Self-dewatering type chimney |
| CN106996705A (en) * | 2017-05-05 | 2017-08-01 | 张家港格林沙洲锅炉有限公司 | The cigarette journey structure of marine heat recovery boiler |
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| Publication number | Publication date |
|---|---|
| CN109899776B (en) | 2020-02-07 |
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