CN204554767U - A kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat - Google Patents
A kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat Download PDFInfo
- Publication number
- CN204554767U CN204554767U CN201520171610.8U CN201520171610U CN204554767U CN 204554767 U CN204554767 U CN 204554767U CN 201520171610 U CN201520171610 U CN 201520171610U CN 204554767 U CN204554767 U CN 204554767U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- steam generator
- gas boiler
- inlet pipe
- heat
- Prior art date
- 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.)
- Active
Links
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat, comprise degassing tower, steam generator, storage tank, natural gas boiler, described degassing tower is arranged in storage tank top, described degassing tower bottom is provided with steam inlet pipe, top is provided with oxygenated water water inlet pipe, top is provided with blast pipe, steam inlet pipe connects steam generator, steam generator connects natural gas boiler, it is characterized in that, the bottom of described storage tank is connect to steam generator and natural gas boiler heating surface respectively by water pipe.Described deaerating type of cycles can utilize the O in natural gas boiler smoke discharging residual heat removing boiler feedwater
2and CO
2, improve the water quality of boiler feedwater, can effectively avoid boiler heating surface to analyse oxygen corrosion.
Description
Technical field
The utility model relates to a kind of boiler feed water processing unit, particularly relates to a kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat.
Background technology
Along with industrial fast development, environmental pollution is on the rise, in order to reduce the pollution to environment, natural gas boiler is widely applied as a kind of clean-burning technology, but natural gas boiler belongs to Industrial Boiler category, be mostly middle low parameter Small And Medium Capacity boiler, generally there is no condensate system, feedwater just enters boiler heating surface without deoxygenation, as needed deoxygenation many employings chemical deoxidization and resolving the non-heating power Deoxidization method deoxygenations such as deoxygenation, and adopt non-thermal de-aeration investment operating cost high, outgassing rate is low, therefore the system for deoxidizing by heat power developing a kind of economical and efficient is needed badly.
Summary of the invention
The purpose of this utility model is to provide a kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat, removes the O be dissolved in feedwater
2and CO
2discharge Deng pernicious gas, avoid boiler heating surface to produce and analyse oxygen corrosion, the latent heat of vaporization of steam and the part sensible heat of flue gas in natural gas boiler smoke evacuation can also be recycled.
The utility model is achieved like this, it comprises natural gas boiler, degassing tower, steam generator, storage tank, steam inlet pipe, blast pipe, oxygenated water water inlet pipe, described degassing tower is arranged in storage tank top, described degassing tower bottom is provided with steam inlet pipe, top is provided with feedwater water inlet pipe, and top is provided with blast pipe, and steam inlet pipe connects steam generator, steam generator connects natural gas boiler, and the bottom of described storage tank is connect to steam generator and natural gas boiler heating surface respectively by water pipe.Described deaerating type of cycles passes to part deaerated water by steam generator the heat energy of flue gas, deaerated water is heated to seethe with excitement and produces saturated vapor, saturated vapor introduces degassing tower by steam inlet pipe from bottom, in degassing tower, be atomized with top the feedwater sprayed into mix, subcooled water and saturated vapor mixed heat transfer become saturation water, separate out O in the process
2and CO
2, the gas of precipitation is discharged by the blast pipe at degassing tower top, and deaerated water then falls into storage tank, and the deaerated water part in described storage tank enters natural gas boiler heating surface, and another part enters steam generator and produces saturated vapor.
Described degassing tower adopts the deoxygenation of hybrid thermal de-aeration mode, and described degassing tower operating pressure is 0.02-0.025MPa(gauge pressure), described degassing tower is arranged in storage tank top.
Described steam generator is dividing wall type heat exchanger, and flue gas is heat release cooling in pipe, and deaerated water produces saturated vapor in the outer heat absorption evaporation of pipe; Described heat exchanger U-tube corrosion resistance is strong, the copper alloy manufacture of good heat conductivity; Described U-tube straight section is from the horizontal by certain angle, and the bottom design of described steam generator end socket has drain pipe, is beneficial to condensed water and discharges in time, reduces corrosion and incrustation scale gathering.
Technique effect of the present utility model is: this system for deoxidizing by heat power utilizes residual heat from boiler fume as heat source feedwater deaeration, without the need to drawing gas from boiler, improves boiler thermal output, and has operation expense low, outgassing rate advantages of higher.Efficiently solve the deoxygenation problem not having the natural gas boiler of condensate system to feed water; And overcome this type of boiler and adopt conventional thermodynamic deoxygenation need draw gas in stove to reduce boiler efficiency, adopt non-thermal de-aeration to invest the shortcomings such as operation expense is high; The reliable resistance to corrosion of steam generator simultaneously, effectively can utilize the latent heat of vaporization of steam in boiler exhaust gas and the part sensible heat of flue gas, exhaust gas temperature can be down to less than 70 DEG C, effectively can improve the thermal efficiency of therrmodynamic system.This system for deoxidizing by heat power can be applicable to middle-size and small-size natural gas boiler, and outgassing rate is high, and can absorb the latent heat of vaporization of steam in natural gas boiler flue gas, improves the thermal efficiency of therrmodynamic system, and energy-saving effect is remarkable, economic environmental protection.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is steam generator structure chart of the present utility model;
In figure: 1. degassing tower, 2. steam generator, 3. storage tank, 4. steam inlet pipe, 5. blast pipe, 6. U-tube, 7. steam generator end socket, 8. drain pipe, 9. oxygenated water water inlet pipe, 10 natural gas boilers.
Detailed description of the invention
As Fig. 1, shown in 2, a kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat, comprise degassing tower 1, steam generator 2, storage tank 3, steam inlet pipe 4, blast pipe 5, oxygenated water water inlet pipe 9, natural gas boiler 10, described degassing tower 1 is arranged in storage tank 3 top, described degassing tower 1 bottom is provided with steam inlet pipe 4, top is provided with oxygenated water water inlet pipe 9, top is provided with blast pipe 5, steam inlet pipe 4 connects steam generator 2, steam generator 2 connects natural gas boiler 10, the bottom of described storage tank 3 is connect to steam generator 2 and natural gas boiler 10 heating surface respectively by water pipe.By steam generator 2, the heat energy of natural gas boiler 10 flue gas is passed to part deaerated water, deaerated water is heated to seethe with excitement and produces saturated vapor, saturated vapor introduces degassing tower 1 by steam inlet pipe 4, in degassing tower 1, be atomized with top the feedwater sprayed into mix, subcooled water and steam become saturation water, separate out O in the process
2and CO
2, the gas of precipitation is discharged by the blast pipe 5 at degassing tower 1 top, and deaerated water then falls into storage tank 3, and the deaerated water part in storage tank 3 enters natural gas boiler 10 heating surface, and another part enters steam generator 2 and produces saturated vapor.
Described degassing tower 1 is mixed type thermodynamic deaerator, and described degassing tower 1 operating pressure is 0.02-0.025MPa(gauge pressure).
Described steam generator 2 is dividing wall type heat exchangers, comprises inner U-tube 6 and steam generator end socket 7, and flue gas is heat release cooling in U-tube 6, and part deaerated water absorbs heat evaporation outside U-tube 6; Described U-Shaped Tube for PWR Steam Generator 6 is strong by corrosion resistance, the copper alloy manufacture of good heat conductivity; Described U-Shaped Tube for PWR Steam Generator 6 straight section is from the horizontal by certain angle, and the bottom design of described steam generator end socket 7 has drain pipe 8, is beneficial to condensed water and discharges in time, reduces corrosion and incrustation scale gathering.
The utility model, by utilizing the system for deoxidizing by heat power of natural gas boiler smoke discharging residual heat, efficiently solves the deoxygenation problem not having the natural gas boiler of condensate system to feed water; And overcome this type of boiler and adopt conventional thermodynamic deoxygenation need draw gas in stove to reduce boiler thermal output, adopt non-thermal de-aeration to invest the shortcomings such as operation expense is high; The reliable resistance to corrosion of steam generator and drain design simultaneously, effectively can utilize the latent heat of vaporization of steam in boiler exhaust gas and the part sensible heat of flue gas, exhaust gas temperature can be down to less than 70 DEG C, improves the efficiency of therrmodynamic system.
Claims (3)
1. one kind can utilize the system for deoxidizing by heat power of natural gas boiler smoke discharging residual heat, comprise degassing tower, steam generator, storage tank, steam inlet pipe, blast pipe, oxygenated water water inlet pipe, natural gas boiler, described degassing tower is arranged in storage tank top, described degassing tower bottom is provided with steam inlet pipe, top is provided with oxygenated water water inlet pipe, top is provided with blast pipe, steam inlet pipe connects steam generator, steam generator connects natural gas boiler, it is characterized in that, the bottom of described storage tank is connect to steam generator and natural gas boiler heating surface respectively by water pipe.
2. the system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat according to claim 1, it is characterized in that, described steam generator is dividing wall type heat exchanger, and comprise inner U-tube and steam generator end socket, the bottom of described steam generator end socket is provided with drain pipe.
3. the system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat according to claim 1, it is characterized in that the manufacture of described U-tube copper alloy, U-tube straight section is from the horizontal by certain angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171610.8U CN204554767U (en) | 2015-06-23 | 2015-06-23 | A kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520171610.8U CN204554767U (en) | 2015-06-23 | 2015-06-23 | A kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204554767U true CN204554767U (en) | 2015-08-12 |
Family
ID=53829872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520171610.8U Active CN204554767U (en) | 2015-06-23 | 2015-06-23 | A kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204554767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336491A (en) * | 2020-03-31 | 2020-06-26 | 华能国际电力股份有限公司德州电厂 | Steam storage device, system and method for reducing heat loss of pipe network |
-
2015
- 2015-06-23 CN CN201520171610.8U patent/CN204554767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336491A (en) * | 2020-03-31 | 2020-06-26 | 华能国际电力股份有限公司德州电厂 | Steam storage device, system and method for reducing heat loss of pipe network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104713058B (en) | Self-deoxidization waste heat boiler suitable for sulfur-containing fuel | |
| CN102242946A (en) | Concentrated heat supply system for reclaiming smoke afterheat by absorption heat pump | |
| CN203425678U (en) | Waste heat recovery device of energy-saving environment-friendly coke oven flue | |
| CN206582830U (en) | The boiler deoxidizing method device of deaerated feedwater is heated using oxygen-eliminating device exhaust heat | |
| CN102748963B (en) | Closed water cooling system with double-evaporative cooling pressure | |
| CN104712402A (en) | Organic Rankine cycle power generation system using waste heat of engine exhaust | |
| CN113526600B (en) | Desalting and deoxidizing equipment and method | |
| CN104197313B (en) | Can industry retort exhausting heat energy recovery system | |
| CN204062991U (en) | Can industry retort exhausting heat energy recovery system | |
| CN204554767U (en) | A kind of system for deoxidizing by heat power that can utilize natural gas boiler smoke discharging residual heat | |
| CN202485507U (en) | Boiler flue gas waste heat recovery device | |
| CN103836606A (en) | Sewerage waste heat recovery device | |
| CN105605552A (en) | Heat energy recycling device for steam exhaust of deaerator in boiler steam turbine system | |
| CN103017140B (en) | Biomass electric power plant cigarette wind waste heat recovery plant | |
| CN102650486B (en) | Closed water cooling system being capable of producing condensed water | |
| CN203797949U (en) | Integrated membrane wall type condensing vacuum hot water boiler | |
| CN203584532U (en) | Organic Rankine cycle power generation system using engine exhaust emission waste heat | |
| CN103899369A (en) | Closed water cooling system with twin-jet nozzle for evaporative cooling | |
| CN206930176U (en) | A kind of low-temperature flue gas of heating furnace and furnace bottom water beam waste heat comprehensive utilization system | |
| CN201589537U (en) | Device utilizing deaerating feed to heat condensed water in cement kiln afterheat generation | |
| CN216717094U (en) | Double-circulation separated heat pipe waste heat boiler | |
| CN214399885U (en) | Device for desalting seawater by using waste heat of thermal power | |
| CN205482495U (en) | Heat pipe residual heat from flue gas device | |
| CN216307760U (en) | Boiler feed water deaerator using boiler waste heat | |
| CN220931833U (en) | Recovery structure for recovering waste heat of condensation water in condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 330000 Nanchang national high tech Industrial Development Zone, Jiangxi torch street, No. 125 Patentee after: Jiang Lian heavy industry group Limited by Share Ltd Address before: 330000 Nanchang national high tech Industrial Development Zone, Jiangxi torch street, No. 125 Patentee before: Jianglian Heavy Industry Co., Ltd. |