CN106196587A - The water recovery apparatus of hot-water boiler - Google Patents
The water recovery apparatus of hot-water boiler Download PDFInfo
- Publication number
- CN106196587A CN106196587A CN201610793020.8A CN201610793020A CN106196587A CN 106196587 A CN106196587 A CN 106196587A CN 201610793020 A CN201610793020 A CN 201610793020A CN 106196587 A CN106196587 A CN 106196587A
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- China
- Prior art keywords
- water
- combustion chamber
- hot
- tube sheet
- curved channel
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- 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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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/001—Guiding means
- F24H9/0015—Guiding means in water channels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Details Of Fluid Heaters (AREA)
Abstract
The invention discloses the water recovery apparatus of a kind of hot-water boiler, including the body of heater with outlet pipe and water inlet pipe, furnace interior is provided with combustion chamber and is located at the heat exchange chamber on combustion chamber top, heat exchanger tube it is provided with in heat exchange chamber, the front end of heat exchanger tube is connected with the front tube sheet of combustion chamber, and connects with combustion chamber；Combustion chamber top is close to the position of front tube sheet and is provided with the curved channel arranged around combustion chamber, curved channel has the first end and second end relative with the first end, water inlet pipe connects with the first end of curved channel, and curved channel is pressed close to front tube sheet one end and set circular arc outlet towards heat exchanger tube direction.Use this structure, the current being flowed into curved channel by water inlet pipe are entered along the sidewall jet flow of front tube sheet by circular arc outlet, water at low temperature flow into abundant with weld on front tube sheet sidewall with contact the temperature that can effectively reduce front tube sheet, and then avoid heat exchanger tube and front tube sheet weld to be affected by high temperature and the problem that ftractures, thus extend the service life of hot-water boiler.
Description
Technical field
The present invention relates to a kind of hot-water boiler water recovery apparatus, belong to boiler structure design field.
Background technology
Boiler is a kind of energy conversion, and in boiler, the energy of input has the chemical energy in fuel, electric energy, and boiler is defeated
Go out and there is the steam of certain heat energy, high-temperature water or organic heat carrier.The original meaning of pot is the water container of heating on fire, and stove refers to combustion
The place of fuel burning, boiler then includes pot and stove two large divisions.The hot water or the steam that produce in boiler can be directly commercial production
Required heat energy is provided, it is possible to be converted to mechanical energy by Steam Power Equipment, or pass through electromotor again by machinery with people's lives
Electric energy can be converted to.The boiler providing hot water is referred to as hot-water boiler, is mainly used in life, also has a small amount of application in commercial production.
The boiler producing steam is steam boiler, is often simply called boiler, is used for thermal power station, boats and ships, locomotive and industrial and mining establishment.
The structure of existing hot-water boiler is, water inlet and outlet on body of heater are all disposed within greatly position placed in the middle on body of heater
Putting, in water at low temperature water cavity in water inlet is flowed into body of heater, the steam in body of heater discharges heat to water cavity through heat exchanger tube
Interior water heats, and hot water flows out through outlet.The problem that this hot-water boiler exists, at front tube sheet, temperature is the highest, and flows
The water at low temperature entered can not carry out effective temperature-reducing to front tube sheet, therefore, is easily caused the weld seam of heat exchanger tube and front tube sheet junction
Easily affected by high temperature and ftractureed, thus be have impact on the service life of boiler.
Summary of the invention
To this, it is desirable to provide the water recovery apparatus of a kind of hot-water boiler rational in infrastructure, it is used effectively to reduce
Front tube sheet temperature and then avoid heat exchanger tube and front tube sheet weld to be affected by high temperature and the problem that ftractures, thus extend hot-water boiler
Service life.
The technical scheme realizing the object of the invention is:
The water recovery apparatus of a kind of hot-water boiler, including having the body of heater of outlet pipe and water inlet pipe, described furnace interior is arranged
There is combustion chamber and be located at the heat exchange chamber on described combustion chamber top, being provided with heat exchanger tube in described heat exchange chamber, before heat exchanger tube
End is connected with the front tube sheet of described combustion chamber, and connects with described combustion chamber；Described front tube sheet is close on described combustion chamber top
Position is provided with the curved channel arranged around combustion chamber, and described curved channel has the first end and relative with the first end second
End, described water inlet pipe connects with the first end of described curved channel, and described curved channel presses close to described front tube sheet one end towards institute
State heat exchanger tube direction and set circular arc outlet.
In technique scheme, by described first end to the second end, the width of described circular arc outlet is gradually increased again
It is gradually reduced.
In technique scheme, described circular arc outlet is that width is gradually increased the hierarchic structure being gradually reduced again.
In technique scheme, the position of the corresponding described curved channel of described combustion chamber caves inward formation annular recess,
Arrange in described annular recess and fix an arc coaming plate, the diapire of described annular recess, front side wall and rear wall and described arc
Shape coaming plate encloses the described curved channel of formation, and described circular arc outlet is opened in described arc coaming plate near described front tube sheet
On one lateral edges.
In technique scheme, described front tube sheet is that the front side wall of described annular recess extends radially outward and formed.
In technique scheme, the front side wall of described annular recess and rear wall are respectively welded and are fixed with the first bonding jumper
With the second bonding jumper, the both sides of the edge of described arc coaming plate are fixing with described first bonding jumper and described second bonding jumper respectively to be connected
Connect.
In technique scheme, a lateral edges of described arc coaming plate overlaps with described first bonding jumper and is welded and fixed,
Opposite side edge is fastened by fastening bolt after described second bonding jumper overlap joint.
In technique scheme, described water inlet pipe is the tubular structure that big the inner, outer end is little, has in the middle part of described water inlet pipe
The first rake being oppositely arranged and the second rake, described first rake shifts to install with described second rake, described
The outer end of water inlet pipe is provided with adpting flange.
In technique scheme, described upper of furnace body is provided with manhole device, and is provided with manhole benefit at manhole device
Strong circle.
The present invention has positive effect: in (1) present invention, and the position that described front tube sheet is close on described combustion chamber top sets
Having the curved channel arranged around combustion chamber, described curved channel has the first end and second end relative with the first end, described
Water inlet pipe connects with the first end of described curved channel, and described curved channel presses close to described front tube sheet one end towards described heat exchanger tube
Direction has set circular arc outlet, uses this structure, water inlet pipe flow into the current of curved channel by circular arc outlet
Enter along the sidewall jet flow of front tube sheet, water at low temperature flow into after the very first time the whole plate face of front tube sheet can be washed away and with
On front tube sheet sidewall weld fully with contact the temperature that can effectively reduce front tube sheet, and then avoid heat exchanger tube to weld with front tube sheet
The problem that place is affected by high temperature and ftractures, suppresses the phenomenon of high-temperature scaling simultaneously, thus extends the service life of hot-water boiler.
Accompanying drawing explanation
Fig. 1 is the partial view of the water recovery apparatus of hot-water boiler in the present invention；
Fig. 2 is the partial view in the present invention at curved channel；
Fig. 3 is the partial enlarged view in Fig. 2 at B；
Fig. 4 is the sectional view in Fig. 1 along line A-A cutting；
Front view when Fig. 5 is that in the present invention, arc coaming plate flattens；
Fig. 6 is the topology view of water inlet pipe in the present invention.
Reference shown in figure is: 1-water inlet pipe；11-the first rake；12-the second rake；2-body of heater；3-burns
Chamber；31-annular recess；311-diapire；312-front side wall；313-rear wall；4-heat exchange chamber；41-heat exchanger tube；5-front tube sheet；
6-curved channel；61-the first end；62-the second end；63-circular arc outlet；7-arc coaming plate；8-the first bonding jumper；9-second
Bonding jumper；10-fastening bolt.
Detailed description of the invention
Below in conjunction with Figure of description, the concrete structure in the present invention is done with explanation:
The water recovery apparatus of a kind of hot-water boiler, as shown in Figures 1 to 5, it includes having outlet pipe and the body of heater of water inlet pipe 1
2, described body of heater 2 is internally provided with combustion chamber 3 and is located at the heat exchange chamber 4 on described combustion chamber 3 top, in described heat exchange chamber 4
Being provided with heat exchanger tube 41, the front end of heat exchanger tube 41 is connected with the front tube sheet 5 of described combustion chamber 3, and connects with described combustion chamber 3；
The position that described front tube sheet 5 is close on described combustion chamber 3 top is provided with the curved channel 6 arranged around combustion chamber 3, and described arc leads to
Road 6 has the first end 61 and second end 62 relative with the first end 61, described water inlet pipe 1 and the first end of described curved channel 6
61 connections, described curved channel 6 is pressed close to described front tube sheet 5 one end and has been set circular arc outlet towards described heat exchanger tube 41 direction
63, thus water at low temperature ejects formation circular arc current through circular arc outlet mouth 63, washes away front tube sheet 5 comprehensively.Adopt
With said structure, water inlet pipe 1 water flowing into curved channel 6 flows through circular arc outlet 63 along the sidewall jet flow of front tube sheet 5
Enter, water at low temperature flow into the whole plate face of front tube sheet 5 can be washed away and with weld on front tube sheet 5 sidewall fully with contact
Can effectively reduce the temperature of front tube sheet 5, and then avoid heat exchanger tube 41 to be affected by high temperature with front tube sheet 5 weld and asking of ftractureing
Topic, suppresses the phenomenon of high-temperature scaling simultaneously, it is thus possible to effectively extend the service life of hot-water boiler.
Owing in heat exchange chamber 4, heat exchanger tube 41 is distributed in fan-shaped array, therefore to ensure by circular arc outlet 63
The current that jet flow goes out can be fully contacted along the welding position of front tube sheet 41 sidewall with all of heat exchanger tube 41 and front tube sheet 5,
Effectively reduce the temperature of front tube sheet 5, therefore the present embodiment is arranged: by described first end the 61 to the second end 62, described circular arc
The width of outlet 63 is gradually increased and is gradually reduced.
Further, described circular arc outlet 63 is gradually increased the hierarchic structure being gradually reduced again (referring to Fig. 5 institute in width
Show), use this structure to be conducive to the fixing of following arc coaming plate 7, it is simple to the formation of curved channel 6.
Shown in Fig. 2 and Fig. 3, in the present embodiment, the position of the corresponding described curved channel 6 of described combustion chamber 3 is inside
Concave shape circularizes recess 31, arranges and fix an arc coaming plate 7 in described annular recess 31, the diapire of described annular recess 31
311, front side wall 312 and rear wall 313 enclose the described curved channel 6 of formation, described circular arc outlet with described arc coaming plate 7
63 are opened in described arc coaming plate 7 on a lateral edges of described front tube sheet 5, and said structure simplifies rationally, and curved channel 6 is made
Making conveniently, cost is low.
Further, the front side wall that described front tube sheet 5 is described annular recess 31 extends radially outward and is formed, and can guarantee that
Circular arc outlet 63 enough presses close to front tube sheet 5.
In order to install described arc coaming plate 7, the front side wall 312 of the described annular recess 31 of the present embodiment and rear wall 313
On be respectively welded and be fixed with the first bonding jumper 8 and the second bonding jumper 9, the both sides of the edge of described arc coaming plate 7 are respectively with described
One bonding jumper 8 and the described second fixing connection of bonding jumper 9.
Further, a lateral edges of described arc coaming plate 7 overlaps with described first bonding jumper 8 and is welded and fixed, another
Lateral edges is fastened by fastening bolt 10 after described second bonding jumper 9 overlap joint, uses this structure, is installing arc coaming plate 7
Time, first the both sides of the edge of arc coaming plate 7 are ridden on described first bonding jumper 8 and the second bonding jumper 9, then pass through fastening bolt
Arc coaming plate 7 one lateral margin is fixed by 10, then opposite side edge is then tightly abutted against on described second bonding jumper 8, finally by weldering
Connecing (plug welding) can be by fixed for arc coaming plate 7.
As shown in Figure 6, the described water inlet pipe 1 in the present embodiment is the tubular structure that big the inner, outer end is little, described water inlet pipe 1
Middle part has the first rake 11 and the second rake 12 being oppositely arranged, described first rake 11 and described second rake
12 shift to install, and the outer end of described water inlet pipe 1 is provided with adpting flange, thus to adapt to the welded and installed of water inlet pipe 1, improve water inlet
The convenience of pipe 1 installation and reliability.
Further, described body of heater 2 top is provided with manhole device, and welding arranges manhole stiffening ring at manhole device,
Body of heater 1 thickness of relevant position is thickeied, to strengthen the intensity at manhole device by manhole stiffening ring.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (9)
1. a water recovery apparatus for hot-water boiler, including having the body of heater (2) of outlet pipe and water inlet pipe (1), in described body of heater (2)
Portion is provided with combustion chamber (3) and is located at the heat exchange chamber (4) on described combustion chamber (3) top, and described heat exchange chamber is provided with in (4)
Heat exchanger tube (41), the front end of heat exchanger tube (41) is connected with the front tube sheet (5) of described combustion chamber (3), and with described combustion chamber (3) even
Logical；It is characterized in that: described combustion chamber (3) top is close to the position of described front tube sheet (5) and is provided with and arranges around combustion chamber (3)
Curved channel (6), described curved channel (6) has the first end (61) and second end (62) relative with the first end (61), described
Water inlet pipe (1) connects with first end (61) of described curved channel (6), and described curved channel (6) presses close to described front tube sheet (5)
End has set circular arc outlet (63) towards described heat exchanger tube (41) direction.
The water recovery apparatus of hot-water boiler the most according to claim 1, it is characterised in that by described first end (61) to second
End (62), the width of described circular arc outlet (63) is gradually increased and is gradually reduced.
The water recovery apparatus of hot-water boiler the most according to claim 2, it is characterised in that described circular arc outlet (63) in
Width is gradually increased the hierarchic structure being gradually reduced again.
The water recovery apparatus of hot-water boiler the most according to claim 1, it is characterised in that described combustion chamber (3) is corresponding described
The position of curved channel (6) caves inward and forms annular recess (31), arranges and fix an arc in described annular recess (31)
Coaming plate (7), the diapire (311) of described annular recess (31), front side wall (312) and rear wall (313) and described arc coaming plate (7)
Enclosing the described curved channel of formation (6), described circular arc outlet (63) is opened in described arc coaming plate (7) pipe before described
On one lateral edges of plate (5).
The water recovery apparatus of hot-water boiler the most according to claim 4, it is characterised in that described front tube sheet (5) is described ring
The front side wall of shape recess (31) extends radially outward and is formed.
The water recovery apparatus of hot-water boiler the most according to claim 4, it is characterised in that the front side of described annular recess (31)
It is respectively welded on wall (312) and rear wall (313) and is fixed with the first bonding jumper (8) and the second bonding jumper (9), described arc coaming plate
(7) both sides of the edge are fixing with described first bonding jumper (8) and described second bonding jumper (9) respectively to be connected.
The water recovery apparatus of hot-water boiler the most according to claim 6, it is characterised in that the side of described arc coaming plate (7)
Edge overlaps with described first bonding jumper (8) and is welded and fixed, and opposite side edge passes through after overlapping with described second bonding jumper (9)
Fastening bolt (10) fastens.
The water recovery apparatus of hot-water boiler the most according to claim 1, it is characterised in that described water inlet pipe (1) is that outer end is big
Inner little tubular structure, described water inlet pipe (1) middle part has the first rake (11) and the second rake being oppositely arranged
(12), described first rake (11) shifts to install with described second rake (12), and the outer end of described water inlet pipe (1) is provided with even
Acting flange.
The water recovery apparatus of hot-water boiler the most according to claim 1, it is characterised in that described body of heater (2) top is provided with
Manhole device, and at manhole device, it is provided with manhole stiffening ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793020.8A CN106196587B (en) | 2016-08-30 | 2016-08-30 | Water return device of hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610793020.8A CN106196587B (en) | 2016-08-30 | 2016-08-30 | Water return device of hot water boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106196587A true CN106196587A (en) | 2016-12-07 |
| CN106196587B CN106196587B (en) | 2021-10-26 |
Family
ID=58085552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610793020.8A Active CN106196587B (en) | 2016-08-30 | 2016-08-30 | Water return device of hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106196587B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3627178A1 (en) * | 1986-08-11 | 1988-02-18 | Dreizler Walter Dipl Ing Fh | Hot-water single-flue boiler with concentric multiple waste-gas deflection device |
| CN2113403U (en) * | 1991-11-06 | 1992-08-19 | 大连轻工机械总厂 | Small size vertical waterpipe boiler |
| CN204345701U (en) * | 2014-12-01 | 2015-05-20 | 安阳方快锅炉有限公司 | A kind of tube sheet safeguard structure of hot-water boiler return combustion chamber |
| CN104764190A (en) * | 2015-04-03 | 2015-07-08 | 营口绿源锅炉有限责任公司 | Corner tube type forced circulating coal powder burning hot water boiler |
| CN205980282U (en) * | 2016-08-30 | 2017-02-22 | 浙江特富锅炉有限公司 | Boiler's backwater device |
-
2016
- 2016-08-30 CN CN201610793020.8A patent/CN106196587B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3627178A1 (en) * | 1986-08-11 | 1988-02-18 | Dreizler Walter Dipl Ing Fh | Hot-water single-flue boiler with concentric multiple waste-gas deflection device |
| CN2113403U (en) * | 1991-11-06 | 1992-08-19 | 大连轻工机械总厂 | Small size vertical waterpipe boiler |
| CN204345701U (en) * | 2014-12-01 | 2015-05-20 | 安阳方快锅炉有限公司 | A kind of tube sheet safeguard structure of hot-water boiler return combustion chamber |
| CN104764190A (en) * | 2015-04-03 | 2015-07-08 | 营口绿源锅炉有限责任公司 | Corner tube type forced circulating coal powder burning hot water boiler |
| CN205980282U (en) * | 2016-08-30 | 2017-02-22 | 浙江特富锅炉有限公司 | Boiler's backwater device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106196587B (en) | 2021-10-26 |
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| CB02 | Change of applicant information |
Address after: 314408 No.36 Qichao Road, Chang'an Town (Nongfa District), Haining City, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Tefu Development Co.,Ltd. Address before: 314408 No.36 Qichao Road, Chang'an Town (Nongfa District), Haining City, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG TUFF BOILER Co.,Ltd. |
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