CN209876899U - Boiler superheater with high utilization rate - Google Patents
Boiler superheater with high utilization rate Download PDFInfo
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- CN209876899U CN209876899U CN201822193211.8U CN201822193211U CN209876899U CN 209876899 U CN209876899 U CN 209876899U CN 201822193211 U CN201822193211 U CN 201822193211U CN 209876899 U CN209876899 U CN 209876899U
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- steam inlet
- collection case
- pipe assembly
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Abstract
The utility model relates to a boiler over heater of high utilization belongs to boiler technical field. Including the steam inlet header, go out vapour collection case, over heater pipe assembly and mount, the steam inlet header is located in the frame respectively with the play vapour collection case, the steam inlet header is fixed respectively with play vapour collection bottom of the case portion and is equipped with the header support, the over heater pipe assembly is located on the mount, over heater pipe assembly bottom be equipped with the support frame and with mount fixed connection for support over heater pipe assembly, the steam inlet header is connected respectively at over heater pipe assembly both ends and play vapour collection case, set up the steam inlet on the steam inlet collection case, it sets up out the steam vent on the play vapour collection case, steam lets in the steam inlet header from the steam inlet, flows out the steam vent after the vapour collection case flows in through the heat heater pipe assembly, it is equipped with the temperature reducing device to the cooling of steam outlet temperature to go out the vapour collection incasement. The application not only increases the heating area, improves the heat exchange effect of the superheater, but also cools the high-temperature flue gas, and realizes energy conservation and emission reduction.
Description
Technical Field
The utility model relates to a boiler over heater of high utilization belongs to boiler technical field.
Background
When the boiler is in operation, the combustor can produce a large amount of high temperature flue gas when the furnace burning, and the high temperature flue gas need cool down and just can arrange outward, otherwise can cause the pollution to the environment. At present, the over heater setting is in the boiler, retrieves the energy in the boiler flue gas through the over heater, makes the saturated steam that comes out from the steam pocket heat to the supersaturated steam of uniform temperature through flue gas high temperature radiation, has certain improvement to the thermal efficiency of boiler, but energy utilization is unsatisfactory, and superheated steam's outlet temperature is too high moreover, can't reach the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a boiler over heater of high utilization ratio is provided to above-mentioned prior art, not only increases saturated steam's heated area, improves over heater's heat transfer effect, cools down high temperature flue gas moreover, realizes energy saving and emission reduction.
The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a boiler superheater of high usage, includes into vapour collection case, play vapour collection case, over heater pipe subassembly and mount, the frame is located respectively to the vapour collection case and play vapour collection case, the vapour collection case is fixed collection case support that is equipped with respectively with play vapour collection case bottom, the over heater pipe subassembly is located on the mount, over heater pipe subassembly bottom is equipped with support frame and this support frame and mount fixed connection for support over heater pipe subassembly, the vapour collection case is connected respectively to over heater pipe subassembly both ends and play vapour collection case, set up the steam inlet on the vapour collection case, set up out the steam port on going out the vapour collection case, steam lets in into the vapour collection case from the steam inlet, flows in out the vapour collection case through the heat heater pipe subassembly, flows out from the steam outlet at last.
The steam outlet header is internally provided with a temperature reducing device, the temperature reducing device comprises a coil pipe, a temperature reducing water inlet and a temperature reducing water outlet, the coil pipe is arranged in the steam outlet header, and the temperature reducing water inlet and the temperature reducing water outlet are exposed out of the steam outlet header.
The superheater tube assembly is formed by a plurality of groups of coiled tubes in parallel.
Compared with the prior art, the utility model has the advantages of: a superheater tube assembly of various coiled tubes is arranged in a smoke tube, and high-temperature smoke generated during operation of a boiler is subjected to high-temperature radiation by saturated steam introduced into the superheater tube assembly, so that the heating area is increased, the heat exchange effect of the superheater is improved, the high-temperature smoke is cooled, and energy conservation and emission reduction are realized; in addition, a temperature reducing device is arranged in the steam outlet header, so that the outlet temperature of the superheated steam can be adjusted, and the outlet steam can meet the design requirement.
Drawings
FIG. 1 is a schematic diagram of a high utility boiler superheater in accordance with an embodiment of the present invention;
FIG. 2 is a side view of a high utility boiler superheater in accordance with an embodiment of the present invention;
FIG. 3 is a top view of a high utility boiler superheater in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a coil in a high utility boiler superheater in accordance with an embodiment of the present invention;
in the figure, a steam inlet 1, a frame 2, a temperature-reducing water inlet 3, a temperature-reducing water outlet 4, a steam outlet 5, a steam outlet 6, a steam header 7, a support frame 7, a superheater tube assembly 8, a steam inlet header 9, a fixing frame 10, a header support 11 and a coil pipe 12 are arranged.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, 2 and 3, the boiler superheater with high utilization rate in the embodiment includes a steam inlet header 9, a steam outlet header 6, a superheater tube assembly 8 and a fixing frame 10, wherein the steam inlet header 9 and the steam outlet header 6 are respectively disposed in the frame 2, bottoms of the steam inlet header 9 and the steam outlet header 6 are respectively fixedly connected to a header bracket 11 through bolts, the two headers are vertically disposed by the support of the header bracket 11, the superheater tube assembly 8 is inserted into the fixing frame 10, the support frame 7 is disposed at the bottom of the superheater tube assembly 8 and is fixedly connected to the fixing frame 10, the steam-water heater is used for supporting a superheater tube assembly 8, the two ends of the superheater tube assembly 8 are respectively connected with a steam inlet header 9 and a steam outlet header 6, a steam inlet 1 is formed in the top end of the steam inlet header 9, a steam outlet 5 is formed in the side face of the upper end of the steam outlet header 6, steam is introduced into the steam inlet header 9 from the steam inlet 1, and flows out from the steam outlet 5 after flowing into the steam outlet header 6 through the superheater tube assembly 8.
The steam header 6 is equipped with attemperator still in the above-mentioned play vapour header, attemperator includes coil pipe 12, attemperator import 3 and attemperator export 4, coil pipe 12 is located in the vapour header 6, attemperator import 3 and attemperator export 4 locate out vapour header 6 top through the bolt fastening, attemperator import 3 makes attemperator can flow in the coil pipe 12 that is located out vapour header 6, attemperator export 4 makes attemperator can flow out vapour header 6, the superheated steam to going out in the vapour header 6 cools down, make steam reach the requirement of needs, avoid steam temperature too high.
Above-mentioned over heater pipe assembly 8 comprises multiunit coiled pipe side by side, has increased the heating area, makes the high temperature radiation that over heater pipe assembly 8 can be even, better received the flue gas moreover, has improved over heater's heat transfer effect.
Locate this application in the boiler body, support frame 7 welds on lower drum and locates between the tobacco pipe. When the boiler operates, a large amount of high-temperature flue gas is generated in the smoke tube, saturated steam is introduced into the steam inlet header 9 and the superheater tube assembly 8 from the steam inlet, and the high-temperature flue gas carries out high-temperature radiation on the superheater tube assembly 8, so that the saturated steam is changed into superheated steam, and the next process requirement is met; and the high-temperature flue gas is further cooled, thereby achieving two purposes at one stroke and really saving energy and reducing emission.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (3)
1. A boiler superheater with high utilization rate is characterized in that: comprises a steam inlet header (9), a steam outlet header (6), a superheater tube assembly (8) and a fixing frame (10), wherein the steam inlet header (9) and the steam outlet header (6) are respectively arranged in a frame (2), header brackets (11) are respectively fixedly arranged at the bottoms of the steam inlet header (9) and the steam outlet header (6), the superheater tube assembly (8) is arranged on the fixing frame (10), a supporting frame (7) is arranged at the bottom of the superheater tube assembly (8), the supporting frame (7) is fixedly connected with the fixing frame (10), two ends of the superheater tube assembly (8) are respectively and correspondingly connected with the steam inlet header (9) and the steam outlet header (6), a steam inlet (1) is arranged on the steam inlet header (9), a steam outlet (5) is arranged on the steam outlet header (6), steam is introduced into the steam inlet header (9) from the steam inlet (1) and flows into the steam outlet header (6) through the superheater tube assembly (8), finally flows out from the steam outlet (5).
2. A high-utilization boiler superheater according to claim 1, further comprising: the steam outlet header (6) is internally provided with a temperature reducing device, the temperature reducing device comprises a coil pipe (12), a temperature reducing water inlet (4) and a temperature reducing water outlet (3), the coil pipe (12) is arranged in the steam outlet header (6), and the temperature reducing water inlet (4) and the temperature reducing water outlet (3) are exposed out of the steam outlet header (6).
3. A high-utilization boiler superheater according to claim 1, further comprising: the superheater tube assembly (8) is composed of a plurality of groups of coiled tubes which are arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822193211.8U CN209876899U (en) | 2018-12-26 | 2018-12-26 | Boiler superheater with high utilization rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822193211.8U CN209876899U (en) | 2018-12-26 | 2018-12-26 | Boiler superheater with high utilization rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209876899U true CN209876899U (en) | 2019-12-31 |
Family
ID=68949650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822193211.8U Active CN209876899U (en) | 2018-12-26 | 2018-12-26 | Boiler superheater with high utilization rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209876899U (en) |
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2018
- 2018-12-26 CN CN201822193211.8U patent/CN209876899U/en active Active
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