CN209386275U - A kind of coil tubes condensing coal economizer - Google Patents
A kind of coil tubes condensing coal economizer Download PDFInfo
- Publication number
- CN209386275U CN209386275U CN201821979399.2U CN201821979399U CN209386275U CN 209386275 U CN209386275 U CN 209386275U CN 201821979399 U CN201821979399 U CN 201821979399U CN 209386275 U CN209386275 U CN 209386275U
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- China
- Prior art keywords
- outer barrel
- coil
- inner cylinder
- water
- coal economizer
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Abstract
The utility model relates to a kind of coil tubes condensing coal economizers, including outer barrel (2), inner cylinder (3) and coil pack (5), the outer barrel (2) is set in the outside of the inner cylinder (3), the coil pack (5) is set between the outer barrel (2) and the inner cylinder (3), the bottom end of the outer barrel (2) is provided with smoke inlet (1), the top of the outer barrel (2) is provided with exhanst gas outlet (9), boiler smoke enters in the outer barrel (2) from the smoke inlet (1) to be exchanged with the coil pack (5) interior flowing water progress heat and is discharged to flue by the exhanst gas outlet (9) after cooling down, the flow direction of the boiler smoke is opposite with the flow direction of the coil pack (5) interior water.The utility model greatly reduces welding capacity while improving boiler thermal efficiency, and structure is simple, manufacturing cost is low, easy to maintenance and occupied area is few.
Description
Technical field
The utility model relates to a kind of economizer, especially a kind of coil tubes condensing coal economizer.
Background technique
Economizer (English name Economizer) be mounted to boiler back end ductwork lower part for recycle discharged fume it is remaining
Boiler feedwater, is heated into the heating surface of the saturated water under drum pressure by a kind of device of heat, since it absorbs high-temperature flue gas
Heat reduces the exhaust gas temperature of flue gas, saves the energy, improves efficiency, so referred to as economizer.
Economizer is mainly suitable for industry, also gradually spreads to agricultural and some related industries are commercial.It is existing
Boiler economizer generally uses extended surface tube or coiled pipe, reduces exhaust gas temperature, improves boiler thermal efficiency.But structure is more complicated,
Manufacture difficulty is big, higher cost.
Utility model content
The technical issues of the utility model devises a kind of coil tubes condensing coal economizer, solves is existing boiler
Economizer generally uses extended surface tube or coiled pipe, and structure is more complicated, and manufacture difficulty is big, higher cost.
In order to solve above-mentioned technical problem, the utility model uses following scheme:
A kind of coil tubes condensing coal economizer, it is characterised in that: including outer barrel (2), inner cylinder (3) and coil pack
(5), the outer barrel (2) is set in the outside of the inner cylinder (3), and the coil pack (5) is set in the outer barrel (2)
Between the inner cylinder (3), the bottom end of the outer barrel (2) is provided with smoke inlet (1), the top of the outer barrel (2)
It is provided with exhanst gas outlet (9), boiler smoke enters in the outer barrel (2) from the smoke inlet (1) and the coil pack
(5) interior flowing water carries out heat exchange and is discharged to flue, the stream of the boiler smoke by the exhanst gas outlet (9) after cooling down
Dynamic direction is opposite with the flow direction of the coil pack (5) interior water.
The coil tubes condensing coal economizer has the advantages that
(1) the utility model coil tubes condensing coal economizer uses coil pipe, while improving boiler thermal efficiency significantly
Welding capacity is reduced, structure is simple, manufacturing cost is low, occupied area is few.
(2) the Working fluid flow direction in the utility model coil tubes condensing coal economizer coil pack and boiler smoke air-flow
To be it is reverse, increase the temperature difference of each horizontal plane, further improve heat transfer efficiency.
(3) the outer barrel lid of the utility model coil tubes condensing coal economizer is detachably connected with outer barrel, coil pipe group
Part is set in the supporting support between outer barrel and inner cylinder, is conveniently replaceable or is repaired.
(4) bottom plate of the utility model coil tubes condensing coal economizer be intermediate bottom cone, convenient for condensed water from
The condensate drain outlet in bottom plate center is discharged.
Detailed description of the invention
Fig. 1: the schematic diagram of the utility model coil tubes condensing coal economizer；
Fig. 2: the cross-sectional view of the utility model coil tubes condensing coal economizer.
Description of symbols:
1- smoke inlet；2- outer barrel；3- inner cylinder；4- end socket；5- coil pack；6- water inlet header；7- water outlet
Header；8- condensate drain outlet；9- exhanst gas outlet；10- supporting support.
Specific embodiment
Below with reference to Fig. 1 and Fig. 2, the utility model is described further:
As depicted in figs. 1 and 2, a kind of coil tubes condensing coal economizer, including outer barrel 2, inner cylinder 3 and coil pack
5。
Outer barrel 2 is set in the outside of inner cylinder 3, and the upper end cover of outer barrel 2 is equipped with outer barrel lid, the middle part of outer barrel lid
Exhanst gas outlet 9 is offered, the lower end of outer barrel 2 is sealed by the high conical bottom plate in intermediate low periphery, the center of conical bottom plate
Lowest part offers condensate drain outlet 8, and four supporting legs for being used to support outer barrel 2 are provided on the downside of conical bottom plate,
The side wall bottom end of outer barrel 2 offers smoke inlet 1, and the upper end level of smoke inlet 1 is lower than the floor height of inner cylinder 3.
Further, the coil pack (5) is arranged by the different spiral helicine coil pipe of several radiuses and is tied up, described each
There are the gaps passed through for the boiler smoke between coil pipe to increase heat exchanger effectiveness, every pipe dish helical structure
Also there are gaps to increase heat exchanger effectiveness between upper and lower level.
Further, the bottom level of the inner cylinder (3) is higher than the bottom level of the outer barrel (2), the inner cylinder
(3) it is provided between the inner sidewall of bottom outer-edge and the outer barrel (2) and is used to support the coil pack (5) and for solid
The supporting support (10) of the fixed inner cylinder (3), the supporting support (10) are equipped with the hole passed through for the boiler smoke.
Further, the upper end of the coil pack (5) is provided with the water inlet header for filling the water into each coil pipe
(6), the lower end of the coil pack (5) be provided in each coil pipe water outflow water outlet header (7), it is described into
The upper end of mouth of a river header (6) is connected to boiler feedwater end, the lower end of the water inlet header (6) and the upper port of each coil pipe
Connection, the upper end of the water outlet header (7) are connected to the lower port of each coil pipe, the lower end of the water outlet header (7)
It is connected to boiler feed water end.
Further, the upper port cover of the inner cylinder (3) is equipped with for preventing the boiler smoke in the inner cylinder (3)
The end socket (4) of interior flowing, prevent the boiler smoke is from the upper port of the inner cylinder (3) from passing through, only in the outer cylinder
It is flowed between body (2) inner sidewall and the inner cylinder (3) lateral wall.
Further, the end socket (4) is cone, is formed convenient for the boiler smoke in the bottom of the end socket (4) cold
It is dripped after condensate.
Further, the bottom of outer barrel (2) is provided with bottom plate, and the smoke inlet (1) is arranged in the outer barrel (2)
Bottom end side.
Further, it is offered on the bottom plate condensate drain outlet (8).
Further, the bottom plate is the high cone in intermediate low periphery, and the condensate drain outlet (8) is provided with the circle
The lowest part of conical bottom board.
Further, the top of the outer barrel (2) is removably provided with outer barrel lid, and the exhanst gas outlet (9) opens up
At the middle part of the outer barrel lid.
The end socket 4 for preventing the high periphery in centre of boiler smoke circulation low is covered at the upper port of inner cylinder 3, so that
Boiler smoke into inner cylinder 3 cannot flow, and boiler smoke can only flow between outer barrel 2 and inner cylinder 3.Inner cylinder 3
Lower end outer rim and outer barrel 2 inner sidewall between be provided with and be used to support coil pack 5 and for fixing the support of inner cylinder 3
Bracket 10.
Coil pack 5 is set between outer barrel 2 and inner cylinder 3, and is erected in supporting support 10.Coil pack 5 by
The different spiral helicine coil pipe of several radiuses is formed after being arranged by binding reinforcing bars, and it is logical that there are boiler of feeding flue gases between each coil pipe
The gap crossed.The upper port of each coil pipe is connected to the lower end of water inlet header 6, the lower port of each coil pipe with water outlet header
7 upper end connection, the upper end of water inlet header 6 are connected to boiler feedwater end, and the lower end and boiler feed water end of water outlet header 7 connect
It is logical.
In use, boiler feedwater enters in each coil pipe pipeline of coil pack 5 from the upper port of water inlet header 6 to dirty
It is dynamic, it absorbs and comes together in water outlet header 7 in economizer after the heat of boiler smoke into boiler.Boiler smoke is from smoke inlet 1
It is flowed up between outer barrel 2 and inner cylinder 3, sufficiently washes away each heated coil face, be then discharged into cigarette through exhanst gas outlet 9
Road.Working fluid flow direction and boiler smoke flow direction in coil pipe be it is reverse, further increase heat transfer efficiency, produced in economizer
Raw condensing drip backwardness is externally discharged from condensate drain outlet 8.
Replacement or maintenance when, outer barrel lid is opened, coil pack 5 is extracted out between outer barrel 2 and inner cylinder 3 into
Row maintenance or replacement.
Illustrative description has been carried out to the utility model above in conjunction with attached drawing, it is clear that the realization of the utility model not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
It improves and the conception and technical scheme of the utility model is directly applied into other occasions, in the protection scope of the utility model
It is interior.
Claims (10)
1. a kind of coil tubes condensing coal economizer, it is characterised in that: including outer barrel (2), inner cylinder (3) and coil pack
(5), the outer barrel (2) is set in the outside of the inner cylinder (3), and the coil pack (5) is set in the outer barrel (2)
Between the inner cylinder (3), the bottom end of the outer barrel (2) is provided with smoke inlet (1), the top of the outer barrel (2)
It is provided with exhanst gas outlet (9), boiler smoke enters in the outer barrel (2) from the smoke inlet (1) and the coil pack
(5) interior flowing water carries out heat exchange and is discharged to flue, the stream of the boiler smoke by the exhanst gas outlet (9) after cooling down
Dynamic direction is opposite with the flow direction of the coil pack (5) interior water.
2. coil tubes condensing coal economizer according to claim 1, it is characterised in that: the coil pack (5) is by several
The different spiral helicine coil pipe of radius, which is arranged, to be tied up, between each coil pipe there are passing through for the boiler smoke between
Gap is to increase heat exchanger effectiveness, and also there are gaps to increase heat exchanger effectiveness between the upper and lower level of every root canal disk helical structure.
3. coil tubes condensing coal economizer according to claim 2, it is characterised in that: the bottom of the inner cylinder (3) is high
Degree is higher than the bottom level of the outer barrel (2), the bottom outer-edge of the inner cylinder (3) and the inner sidewall of the outer barrel (2)
Between be provided with and be used to support the coil pack (5) and for fixing the supporting supports (10) of the inner cylinder (3), the branch
Support bracket (10) is equipped with the hole passed through for the boiler smoke.
4. coil tubes condensing coal economizer according to claim 3, it is characterised in that: the upper end of the coil pack (5)
It is provided with the water inlet header (6) for filling the water into each coil pipe, the lower end of the coil pack (5) is provided with for institute
The water outlet header (7) of the water outflow in each coil pipe is stated, the upper end of the water inlet header (6) is connected to boiler feedwater end, institute
The lower end for stating water inlet header (6) is connected to the upper port of each coil pipe, the upper end of the water outlet header (7) and described each
The lower port of coil pipe is connected to, and the lower end of the water outlet header (7) is connected to boiler feed water end.
5. coil tubes condensing coal economizer according to claim 4, it is characterised in that: the upper port of the inner cylinder (3)
Be covered with the end socket (4) for preventing the boiler smoke from flowing in the inner cylinder (3), prevent the boiler smoke from
Pass through from the upper port of the inner cylinder (3), only between the outer barrel (2) inner sidewall and the inner cylinder (3) lateral wall
Flowing.
6. coil tubes condensing coal economizer according to claim 5, it is characterised in that: the end socket (4) is cone, just
It is dripped after condensed water is formed on the bottom of the end socket (4) in the boiler smoke.
7. coil tubes condensing coal economizer described in any one of -6 according to claim 1, it is characterised in that: outer barrel (2)
Bottom is provided with bottom plate, and the smoke inlet (1) is arranged in the bottom end side of the outer barrel (2).
8. coil tubes condensing coal economizer according to claim 7, it is characterised in that: offer condensed water on the bottom plate
Discharge outlet (8).
9. coil tubes condensing coal economizer according to claim 8, it is characterised in that: the bottom plate is that intermediate low periphery is high
Cone, the condensate drain outlet (8) is provided with the lowest part of the conical bottom plate.
10. coil tubes condensing coal economizer according to claim 9, it is characterised in that: the top of the outer barrel (2) can
Disassembly is provided with outer barrel lid, and the exhanst gas outlet (9) is provided with the middle part of the outer barrel lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979399.2U CN209386275U (en) | 2018-11-29 | 2018-11-29 | A kind of coil tubes condensing coal economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821979399.2U CN209386275U (en) | 2018-11-29 | 2018-11-29 | A kind of coil tubes condensing coal economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209386275U true CN209386275U (en) | 2019-09-13 |
Family
ID=67865973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821979399.2U Active CN209386275U (en) | 2018-11-29 | 2018-11-29 | A kind of coil tubes condensing coal economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209386275U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386827A (en) * | 2018-11-29 | 2019-02-26 | 北京富士特锅炉有限公司 | A kind of coil tubes condensing coal economizer |
-
2018
- 2018-11-29 CN CN201821979399.2U patent/CN209386275U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109386827A (en) * | 2018-11-29 | 2019-02-26 | 北京富士特锅炉有限公司 | A kind of coil tubes condensing coal economizer |
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