CN203703936U - Waste heat utilizing device for blowdown flash tank - Google Patents
Waste heat utilizing device for blowdown flash tank Download PDFInfo
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- CN203703936U CN203703936U CN201320810578.4U CN201320810578U CN203703936U CN 203703936 U CN203703936 U CN 203703936U CN 201320810578 U CN201320810578 U CN 201320810578U CN 203703936 U CN203703936 U CN 203703936U
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- steam
- blowdown
- pipeline
- blowdown system
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Abstract
The utility model relates to a waste heat utilizing device for a blowdown flash tank. The waste heat utilizing device comprises a waste steam exhaust main pipeline for a sintering ore factory, a pressure-resisting sealing metal container as the blowdown flash tank as well as a deaerator connected onto a boiler water supply pipeline, wherein the flash tank is used for depressurizing the waste steam to be exhausted; a sewage steam inlet, a sewage draining outlet and a steam outlet are formed in the metal container; a waste steam exhaust opening of the boiler is connected with the exhaust main pipeline; a branch pipe is arranged on the waste steam exhaust main pipeline and is connected with the sewage steam inlet of the metal container; the steam outlet of the metal container is connected with a deaerating head of the deaerator; the sewage draining outlet of the metal container is connected with a buffer cooling well for cooling blowdown steam and water before blowdown. The waste heat utilizing device disclosed by the utility model has the advantages of simple structure, convenience for mounting and using and remarkable energy-saving effect; the utilization of waste heat of the exhausted waste steam is realized; meanwhile, environmental pollution is reduced.
Description
Technical field
The utility model belongs to device for utilizing waste of boiler, relates in particular to a kind of blowdown system residual heat using device.
Background technology
Along with the attention to energy resource consumption and environmental protection, energy-saving and emission-reduction and resource environment problem have become the deciding factor that affects Business survival and development, present most of blowdown system waste heat reclaims, this part residual heat resources is wasted substantially, and condensate water was frozen and formed water smoke simultaneously and affect traffic and sight line winter; Blowdown system is the main steam releasing channel of boiler and waste heat boiler, is to realize the effective way that boiler afterheat reclaims to the Steam Recovery of blowdown system, reaches the object of saving the energy.
Summary of the invention
The purpose of this utility model is the technical scheme that proposes a kind of blowdown system residual heat using device, and the steam of blowdown system, for boiler feed, is realized to the utilization of the waste heat to blowdown system.
To achieve these goals, the technical solution of the utility model is: a kind of blowdown system residual heat using device, comprise exhaust steam discharge manifold road, the pressure-resistant seal canister as blowdown system of sintering deposit factory and be connected on the oxygen-eliminating device on boiler feedwater pipeline, flash vessel is for the decompression to wanted exhaust waste steam, described canister is provided with sewage vapor inlet, sewage draining exit and steam (vapor) outlet, and the waste steam exhausting mouth of boiler connects described discharge manifold road; Wherein, exhaust steam discharge manifold road is provided with the sewage vapor inlet that an arm connects described canister, the steam (vapor) outlet of described canister connects the deoxygenation head of oxygen-eliminating device, and the sewage draining exit of described canister connects for the buffering desuperheat well to institute's blowdown carbonated drink cooling before blowdown.
Further, described blowdown system connects described oxygen-eliminating device by pipeline, and the pipeline that connects blowdown system and oxygen-eliminating device is provided with safety valve.
Further, described blowdown system connects described oxygen-eliminating device by pipeline, and the pipeline that connects blowdown system and oxygen-eliminating device is provided with exhaust stack.
Further, described blowdown system connects described desuperheat well by pipeline, and the pipeline that connects blowdown system and desuperheat well is provided with steam trap.
The beneficial effects of the utility model are: realized the utilization of the waste heat of blowdown system, had significant energy-saving effect, reduced environmental pollution simultaneously.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the utility model structure chart.
The specific embodiment
As Fig. 1, a kind of blowdown system residual heat using device, comprise exhaust steam discharge manifold road, the pressure-resistant seal canister as blowdown system 10 of sintering deposit factory and be connected on the oxygen-eliminating device 30 on boiler feedwater pipeline, flash vessel is for the decompression to wanted exhaust waste steam, described canister is provided with sewage vapor inlet 11, sewage draining exit 12 and steam (vapor) outlet 13, and the waste steam exhausting mouth of boiler connects described discharge manifold road; Wherein, exhaust steam discharge manifold road is provided with the sewage vapor inlet that an arm connects described canister, the steam (vapor) outlet of described canister connects the deoxygenation 31 of oxygen-eliminating device, the sewage draining exit of described canister connects for the buffering desuperheat well 20 to institute's blowdown carbonated drink cooling before blowdown, the steam that this structure utilizes the waste vapour of sintering deposit factory to provide for oxygen-eliminating device deoxygenation head, and do not re-use deoxygenation after the steam temperature reducing and pressure reducing of high-quality, realize steam energy cascade utilization.
In embodiment, for safety, be provided with air pressure relief valve 40 at the pipeline of described connection blowdown system and oxygen-eliminating device; The pipeline of described connection blowdown system and oxygen-eliminating device is provided with and coordinates the exhaust stack 50 of safety valve to space released vapour.
The pipeline of described connection blowdown system and desuperheat well is provided with steam trap 60.Steam trap automatic identification vapour, water, for needing continuous drainage, flow water large, that discharge to collect rear recycling.
In described desuperheat well, be provided with water-level gauge 70.
Embodiment mono-:
A kind of blowdown system residual heat using device is used in 292t/h bar plate heating stove evaporated cooling system.
The capacity of blowdown system is 2.5m
3, design pressure is 0.2MPa
The volume size of desuperheat well is 1.5mX1.5mX1.5m, is arranged on outdoor.
Desuperheat well uses for the higher sewage cooling of temperature, and recovery waste water is convenient to recycling; Conventionally be arranged on outside near the factory building of blowdown system.
Steam trap can automatic identification vapour, water, for needing continuous drainage, flow water large, that discharge to collect rear recycling.
The effect of safety valve is to raise when the pressure medium in equipment or pipeline, prevents that by discharge medium outside system in pipeline or equipment, pressure medium exceedes specified value.
Claims (4)
1. a blowdown system residual heat using device, comprise exhaust steam discharge manifold road, the pressure-resistant seal canister as blowdown system of sintering deposit factory and be connected on the oxygen-eliminating device on boiler feedwater pipeline, flash vessel is for the decompression to wanted exhaust waste steam, described canister is provided with sewage vapor inlet, sewage draining exit and steam (vapor) outlet, and the waste steam exhausting mouth of boiler connects described discharge manifold road; It is characterized in that, described exhaust steam discharge manifold road is provided with the sewage vapor inlet that an arm connects described canister, the steam (vapor) outlet of described canister connects the deoxygenation head of oxygen-eliminating device, and the sewage draining exit of described canister connects for the buffering desuperheat well to institute's blowdown carbonated drink cooling before blowdown.
2. a kind of blowdown system residual heat using device according to claim 1, is characterized in that, described blowdown system connects described oxygen-eliminating device by pipeline, and the pipeline that connects blowdown system and oxygen-eliminating device is provided with air pressure relief valve.
3. a kind of blowdown system residual heat using device according to claim 1, is characterized in that, described blowdown system connects described oxygen-eliminating device by pipeline, and the pipeline that connects blowdown system and oxygen-eliminating device is provided with exhaust stack.
4. a kind of blowdown system residual heat using device according to claim 1, is characterized in that, described blowdown system connects described desuperheat well by pipeline, and the pipeline that connects blowdown system and desuperheat well is provided with the steam trap of dredging pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320810578.4U CN203703936U (en) | 2013-12-11 | 2013-12-11 | Waste heat utilizing device for blowdown flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320810578.4U CN203703936U (en) | 2013-12-11 | 2013-12-11 | Waste heat utilizing device for blowdown flash tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703936U true CN203703936U (en) | 2014-07-09 |
Family
ID=51054371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320810578.4U Expired - Fee Related CN203703936U (en) | 2013-12-11 | 2013-12-11 | Waste heat utilizing device for blowdown flash tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107223194A (en) * | 2015-01-23 | 2017-09-29 | 关文吉 | A kind of blowdown deaerated feedwater system |
| CN114034030A (en) * | 2021-11-12 | 2022-02-11 | 中冶南方都市环保工程技术股份有限公司 | System and method applied to fixed-exhaust waste heat recovery of gas-fired boiler |
-
2013
- 2013-12-11 CN CN201320810578.4U patent/CN203703936U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107223194A (en) * | 2015-01-23 | 2017-09-29 | 关文吉 | A kind of blowdown deaerated feedwater system |
| CN114034030A (en) * | 2021-11-12 | 2022-02-11 | 中冶南方都市环保工程技术股份有限公司 | System and method applied to fixed-exhaust waste heat recovery of gas-fired boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20201211 |