CN215489674U - Waste gas waste heat utilization device of boiler deaerator - Google Patents
Waste gas waste heat utilization device of boiler deaerator Download PDFInfo
- Publication number
- CN215489674U CN215489674U CN202121690650.5U CN202121690650U CN215489674U CN 215489674 U CN215489674 U CN 215489674U CN 202121690650 U CN202121690650 U CN 202121690650U CN 215489674 U CN215489674 U CN 215489674U
- Authority
- CN
- China
- Prior art keywords
- soft water
- water tank
- deaerator
- boiler
- heat utilization
- 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
Images
Landscapes
- Physical Water Treatments (AREA)
Abstract
The utility model discloses a waste gas waste heat utilization device of a boiler deaerator, which is provided with: the system comprises a boiler and a deaerator, wherein the deaerator is provided with a waste gas exhaust port, a tee joint is arranged at the waste gas exhaust port, an emptying outlet of the tee joint is connected with an emptying pipeline through a first electromagnetic valve, a recovery outlet of the tee joint is connected to a soft water tank containing soft water through a second electromagnetic valve, and in the soft water tank, the recovery outlet end is connected to an immersed steam-water mixed heater; the upper part of the soft water tank is also provided with an exhaust hole, and the treated gas in the soft water tank is exhausted from the exhaust hole; the first electromagnetic valve and the second electromagnetic valve are respectively in signal control connection with a control system. The application realizes the full utilization of energy sources and reduces the steam consumption in the deoxidization process.
Description
Technical Field
The utility model relates to the technical field of improvement of boiler equipment, in particular to a waste gas waste heat utilization device of a boiler deaerator.
Background
Steam required by enterprise production is provided by a horizontal gas-fuel oil steam boiler. During operation of the boiler, the feed water needs to be treated, including the removal of oxygen from the feed water. The conventional oxygen removing method mainly comprises thermal oxygen removing, vacuum oxygen removing, chemical oxygen removing and other oxygen removing methods. The common boiler deoxygenation operation at present is to use a thermal deoxygenation technology. In the actual production process, after steam deaerates the feedwater, the oxygen-eliminating device exhaust gas vent can discharge a considerable part of gas, and this part of gas contains higher heat, not only influences pleasing to the eye, still causes the energy waste.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waste gas waste heat utilization device of a boiler deaerator, which is a device for fully utilizing the heat of waste gas discharged by the deaerator, and can improve the energy utilization rate and reduce the steam consumption in the deaerating process.
In order to achieve the technical purpose, the utility model provides a waste gas waste heat utilization device of a boiler deaerator, which comprises: boiler and oxygen-eliminating device, the oxygen-eliminating device has the waste gas vent, wherein: a tee joint is arranged at the waste gas exhaust port, an emptying outlet of the tee joint is connected with an emptying pipeline through a first electromagnetic valve, a recovery outlet of the tee joint is connected to a soft water tank containing soft water through a second electromagnetic valve, and in the soft water tank, a recovery outlet end is connected to an immersed steam-water mixed heater; the upper part of the soft water tank is also provided with an exhaust hole, and the treated gas in the soft water tank is exhausted from the exhaust hole; the first electromagnetic valve and the second electromagnetic valve are respectively in signal control connection with a control system.
The device provided by the utility model can fully utilize the heat of the waste gas discharged by the deaerator, and the waste gas is treated by the soft water tank and the immersed steam-water mixed heater, so that the energy utilization rate can be improved, and the steam consumption in the deaerating process is reduced.
As a further improvement, the waste gas exhaust port is also connected with a steam inlet.
As a further improvement, the deaerator is also connected with a boiler outlet.
As a further improvement, the upper part of the soft water tank is also provided with a brine inlet.
As a further improvement, the brine inlet is also provided with a brine inlet valve.
As a further improvement, the bottom of the soft water tank is connected with the waste gas exhaust port through a pipeline.
As a further improvement, a recovery valve is also disposed between the bottom of the soft water tank and the exhaust gas outlet.
As a further improvement, the brine inlet valve and the recovery valve are in signal control connection with the control system.
As a further improvement, the control system is connected with the signal control of the audible and visual alarm.
The utility model has simple structure, direct and reliable treatment, is beneficial to timely and rapidly recovering and treating waste gas, and saves working time and cost.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Reference numerals: boiler 1, oxygen-eliminating device 2, waste gas vent 3, tee bend 4, first solenoid valve 5, evacuation pipeline 6, second solenoid valve 7, softened water tank 8, soda water mixing heater 9, exhaust hole 10, steam inlet 11, salt solution inlet 12, salt solution inlet valve 13, recovery valve 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a waste heat utilization device for exhaust gas of a deaerator of a boiler, comprising: boiler 1 and oxygen-eliminating device 2, oxygen-eliminating device 2 has exhaust gas vent 3, wherein: a tee joint 4 is arranged at the exhaust gas outlet 3, an emptying outlet of the tee joint 4 is connected with an emptying pipeline 6 through a first electromagnetic valve 5, a recovery outlet of the tee joint 4 is connected to a soft water tank 8 containing soft water through a second electromagnetic valve 7, and in the soft water tank 8, the recovery outlet end is connected to an immersed steam-water mixed heater 9; the upper part of the soft water tank 8 is also provided with a vent hole 10, and the treated gas in the soft water tank 8 is discharged from the vent hole 10; the first electromagnetic valve 5 and the second electromagnetic valve 7 are respectively in signal control connection with a control system.
The device provided by the utility model can fully utilize the heat of the waste gas discharged by the deaerator, and the waste gas is treated by the soft water tank and the immersed steam-water mixed heater, so that the energy utilization rate can be improved, and the steam consumption in the deaerating process is reduced.
As a further improvement, the exhaust gas outlet is also connected with a steam inlet 11.
As a further improvement, the deaerator is also connected with a boiler outlet.
As a further improvement, the soft water tank also has a brine inlet 12 in its upper portion.
As a further improvement, the brine inlet is also provided with a brine inlet valve 13.
As a further improvement, the bottom of the soft water tank is connected with the waste gas exhaust port through a pipeline.
As a further improvement, a recovery valve 14 is also disposed between the bottom of the soft water tank and the exhaust gas outlet.
As a further improvement, the brine inlet valve and the recovery valve are in signal control connection with the control system.
As a further improvement, the control system is connected with the signal control of the audible and visual alarm.
In a preferred embodiment of the utility model, a device capable of fully utilizing the heat of the waste gas discharged by the deaerator is provided, a tee joint is added on a waste gas exhaust hole of the deaerator, one path of the tee joint is communicated with an emptying pipeline by an electromagnetic valve, the other path of the tee joint is introduced into a soft water tank by the electromagnetic valve and is connected with an immersed steam-water mixed heater, and further the recycling of the waste gas discharged by the deaerator is realized. Finally, the non-condensable gas is discharged through the soft water tank exhaust hole, and the heat of the discharged gas is recycled.
When the soft water tank works normally, the emptying valve (a first electromagnetic valve) is closed, and the electric valve (a second electromagnetic valve) for the soft water tank is opened, so that the soft water is preheated, and the generated waste gas heat is absorbed by 100%. After the temperature of the soft water rises, the oxygen content of the feed water is reduced, and the amount of steam required by the deaerator for deaerating the soft water is reduced.
The utility model has simple structure, direct and reliable treatment, is beneficial to timely and rapidly recovering and treating waste gas, and saves working time and cost. The waste gas can be recycled, the energy utilization rate can be improved, and the steam consumption in the deoxidization process is reduced.
It is to be understood that the scope of the present invention is not to be limited to the non-limiting embodiments, which are illustrated as examples only. The essential protection sought herein is further defined in the scope provided by the independent claims, as well as in the claims dependent thereon.
Claims (9)
1. A waste gas waste heat utilization device of a boiler deaerator is provided with: boiler and oxygen-eliminating device, the oxygen-eliminating device has exhaust gas vent, its characterized in that:
a tee joint is arranged at the waste gas exhaust port, an emptying outlet of the tee joint is connected with an emptying pipeline through a first electromagnetic valve, a recovery outlet of the tee joint is connected to a soft water tank containing soft water through a second electromagnetic valve, and in the soft water tank, a recovery outlet end is connected to an immersed steam-water mixed heater;
the upper part of the soft water tank is also provided with an exhaust hole, and the treated gas in the soft water tank is exhausted from the exhaust hole;
the first electromagnetic valve and the second electromagnetic valve are respectively in signal control connection with a control system.
2. The waste heat utilization device for the exhaust gas of the boiler deaerator is characterized in that: the waste gas exhaust port is also connected with a steam inlet.
3. The waste heat utilization device for the exhaust gas of the boiler deaerator is characterized in that: the deaerator is also connected with a boiler outlet.
4. The waste heat utilization device for the exhaust gas of the boiler deaerator is characterized in that: the soft water tank also has a brine inlet at an upper portion thereof.
5. The waste heat utilization device of the exhaust gas of the boiler deaerator is characterized in that: the brine inlet is also provided with a brine inlet valve.
6. The waste heat utilization device for the exhaust gas of the boiler deaerator is characterized in that: the bottom of the soft water tank is connected with the exhaust gas outlet through a pipeline.
7. The waste heat utilization device of the exhaust gas of the boiler deaerator of claim 6, characterized in that: a recovery valve is also disposed between the bottom of the softened water tank and the exhaust outlet.
8. The waste heat utilization device for the exhaust gas of the boiler deaerator is characterized in that: the brine inlet valve and the recovery valve are in signal control connection with the control system.
9. The waste heat utilization device for the exhaust gas of the boiler deaerator is characterized in that: and the control system is connected with the signal control of the audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121690650.5U CN215489674U (en) | 2021-07-23 | 2021-07-23 | Waste gas waste heat utilization device of boiler deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121690650.5U CN215489674U (en) | 2021-07-23 | 2021-07-23 | Waste gas waste heat utilization device of boiler deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215489674U true CN215489674U (en) | 2022-01-11 |
Family
ID=79751486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121690650.5U Active CN215489674U (en) | 2021-07-23 | 2021-07-23 | Waste gas waste heat utilization device of boiler deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215489674U (en) |
-
2021
- 2021-07-23 CN CN202121690650.5U patent/CN215489674U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104386865A (en) | Method for treating uranium-containing waste water | |
| CN215489674U (en) | Waste gas waste heat utilization device of boiler deaerator | |
| CN103979627A (en) | Multistage efficient gas stripping system of ammonia nitrogen wastewater | |
| CN106276816B (en) | The vacuum dechlorination method of purification and its dedicated unit of ion film caustic soda by-product dilute sulfuric acid | |
| CN207046880U (en) | Hydrochloric acid pickling waste liquor recovery and processing system | |
| CN203095629U (en) | Sodium chloride recycling and crystallizing device | |
| CN205953633U (en) | Be applicable to chemical industry waste lye catalytic oxidation desulfurization process device | |
| CN106380017B (en) | device and method for disposing mother liquor in chemical production | |
| CN104178777A (en) | Method for recovering sodium hydroxide by combining lignin extraction from pulping alkaline waste liquid with electrolysis | |
| CN201199025Y (en) | Automatic recovering device of condensed water | |
| CN108467049B (en) | System for retrieve ammonia in follow tombarthite separation waste liquid | |
| CN216584272U (en) | Primary evaporation negative pressure desalting device for desalting high-salinity wastewater | |
| CN211570512U (en) | Stripping gas recycling facility of condensation system of butadiene rubber device | |
| CN206130958U (en) | Oxygen -eliminating device exhaust steam recovery system | |
| CN101224875A (en) | Method for recovering sulfuric acid from vanadium-containing stone coal oxygen pressure acid leaching solution | |
| CN211345280U (en) | Boiler heat deaerator system | |
| CN220892214U (en) | Boiler condensate exhaust steam and heat tracing exhaust steam recovery device | |
| CN215855209U (en) | Waste alkali liquid chloroethylene recovery processing device | |
| CN216653494U (en) | Low-pressure steam condensate recovery processing device in formaldehyde workshop section | |
| CN220443514U (en) | Ammonia recovery device | |
| CN203429493U (en) | Extraction device for pre-hydrolysate of steam pre-hydrolysed dissolving pulp | |
| CN206958877U (en) | One kind sintering flue gas waste heat recovery system | |
| CN212740810U (en) | High-temperature water softening equipment for boiler | |
| CN103451987A (en) | Method and device for extracting pre-hydrolysis liquid from dissolving pulp | |
| CN211069089U (en) | Device for recycling vinyl chloride in waste alkali liquor in vinyl chloride water alkali washing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |