CN222489518U - Device for utilizing waste heat boiler blow-down water in desulfurization regeneration - Google Patents
Device for utilizing waste heat boiler blow-down water in desulfurization regeneration Download PDFInfo
- Publication number
- CN222489518U CN222489518U CN202421021418.6U CN202421021418U CN222489518U CN 222489518 U CN222489518 U CN 222489518U CN 202421021418 U CN202421021418 U CN 202421021418U CN 222489518 U CN222489518 U CN 222489518U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- waste heat
- desulfurization
- heat boiler
- rich liquid
- 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
- Treating Waste Gases (AREA)
Abstract
本实用新型公开了一种在脱硫再生中余热锅炉排污水的利用装置，涉及冶炼行业烟气脱硫再生技术领域，该一种在脱硫再生中余热锅炉排污水的利用装置包括余热锅炉排污管、换热器、回收槽、脱硫贫富液换热器、再生塔，换热器对接在脱硫贫富液换热器之后的富液管上，富液管安装有阀门一，换热器与再生塔接通的管道上安装有阀门二，余热锅炉排污管内水经过换热器冷凝后排至回收槽中作为纯水备用，通过该脱硫再生过程中余热锅炉排污水利用的装置，使原有脱硫剂在再生过程所需蒸汽由11t/h下降至7.5t/h，可以利用锅炉排污水对再生有机胺进行预加热，提高有机胺所具有的焓值，以降低后期蒸汽使用量。
The utility model discloses a device for utilizing waste heat boiler wastewater in desulfurization and regeneration, and relates to the technical field of flue gas desulfurization and regeneration in the smelting industry. The device for utilizing waste heat boiler wastewater in desulfurization and regeneration comprises a waste heat boiler wastewater pipe, a heat exchanger, a recovery tank, a desulfurization lean-rich liquid heat exchanger, and a regeneration tower. The heat exchanger is connected to a rich liquid pipe after the desulfurization lean-rich liquid heat exchanger, a valve one is installed on the rich liquid pipe, a valve two is installed on a pipeline connected between the heat exchanger and the regeneration tower, water in the waste heat boiler wastewater pipe is condensed by the heat exchanger and then discharged into the recovery tank as pure water for standby use, and the device for utilizing waste heat boiler wastewater in the desulfurization and regeneration process reduces the steam required for the original desulfurizer in the regeneration process from 11 t/h to 7.5 t/h, and the boiler wastewater can be used to preheat the regenerated organic amine to increase the enthalpy value of the organic amine, so as to reduce the amount of steam used in the later stage.
Description
Technical Field
The utility model relates to the technical field of flue gas desulfurization regeneration in the smelting industry, in particular to a device for utilizing waste heat boiler blowdown water in desulfurization regeneration.
Background
Along with the requirement of double-carbon economy, how to save energy and reduce emission becomes a main target in the current smelting process. The flue gas generated in the smelting process needs to be absorbed and enriched by the organic amine desulfurizing agent, and a large amount of saturated steam needs to be consumed in the regeneration process of the organic amine desulfurizing agent, so that the energy consumption is high. In the pyrometallurgy process, because the flue gas contains a large amount of heat, the temperature of the waste heat boiler is required to be reduced, the steam generated by the waste heat boiler is basically and uniformly utilized, but in the daily operation and maintenance process, the waste heat boiler is required to carry out continuous pollution discharge and periodical pollution discharge according to the water quality requirement, and the water quantity and the heat are completely discharged and wasted. The regeneration process of the organic amine needs to be heated to more than 95 ℃ from normal temperature so as to meet the process requirements. The regenerated organic amine can be preheated by utilizing the boiler blow-down water at present, so that the enthalpy value of the organic amine is improved, and the later steam use amount is reduced.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a device for utilizing waste heat boiler blowdown water in desulfurization regeneration, which solves the technical problems that waste heat boiler continuously blowdown and periodically blowdown are needed according to water quality requirements in daily operation and maintenance processes, and the water quantity and heat are completely discharged and wasted.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
The device for utilizing the waste heat boiler blow-down water in desulfurization regeneration comprises a waste heat boiler blow-down pipe, a heat exchanger, a recovery tank, a desulfurization lean rich liquid heat exchanger and a regeneration tower, wherein the heat exchanger is in butt joint with a rich liquid pipe behind the desulfurization lean rich liquid heat exchanger, a valve I is arranged on the rich liquid pipe, a valve II is arranged on a pipeline communicated with the heat exchanger and the regeneration tower, and water in the waste heat boiler blow-down pipe is condensed by the heat exchanger and then discharged into the recovery tank to serve as pure water for standby.
Preferably, the waste heat boiler blow-down pipe is communicated with a flowmeter upper valve, a flowmeter and a flowmeter lower valve.
Preferably, the heat value of the rich liquid after heat exchange in the desulfurization lean rich liquid heat exchanger is lower than the heat value of the sewage discharged by the sewage discharging pipe of the waste heat boiler.
Preferably, the heat exchanger comprises a plate-cooled heat exchanger and a tube-type heat exchanger, and a valve III is arranged on a pipeline communicated with the desulfurization lean-rich liquid heat exchanger and the regeneration tower.
(III) beneficial effects
Through the device for utilizing the exhaust-heat boiler sewage in the desulfurization regeneration process, the steam required by the original desulfurizing agent in the regeneration process is reduced to 7.5t/h from 11t/h, the boiler sewage can be utilized to preheat regenerated organic amine, the enthalpy value of the organic amine is improved, and the later steam use amount is reduced.
Drawings
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Fig. 1 is an overall construction diagram of the present utility model.
The illustration is that 10, a waste heat boiler blow-down pipe, 11, a flowmeter upper valve, 12, a flowmeter, 13, a flowmeter lower valve, 20, a heat exchanger, 21, a valve I, 22, a valve III, 23, a valve II, 24, a regeneration tower, 25, a desulfurization lean-rich liquid heat exchanger, 30 and a recovery tank.
Detailed Description
The embodiment of the application provides the device for utilizing the waste heat boiler blow-down water in desulfurization regeneration, which effectively solves the technical problems that the waste heat boiler is required to continuously blow down and regularly blow down according to the water quality requirement in the daily operation and maintenance process, and the water quantity and the heat are completely discharged and wasted.
Example 1
The technical scheme in the embodiment of the application has the following overall thought:
As shown in fig. 1, aiming at the problems existing in the prior art, the utility model provides a device for utilizing waste heat boiler blow-down water in desulfurization regeneration, which comprises a waste heat boiler blow-down pipe 10, a heat exchanger 20, a desulfurization lean-rich liquid heat exchanger 25, a regeneration tower 24 and a recovery tank 30, wherein the heat exchanger 20 is butted on a rich liquid pipe behind the desulfurization lean-rich liquid heat exchanger 25, a valve I21 is arranged on the rich liquid pipe, a valve II 23 is arranged on a pipeline communicated with the heat exchanger 20 and the regeneration tower 24, and water in the waste heat boiler blow-down pipe 10 is condensed by the heat exchanger 20 and then discharged into the recovery tank 30 to serve as pure water for standby;
The waste heat boiler blow-down pipe 10 is communicated with an upper flowmeter valve 11, a lower flowmeter valve 12 and a lower flowmeter valve 13, the heat value of the rich liquid after heat exchange in the desulfurization lean rich liquid heat exchanger 25 is lower than that of the waste heat boiler blow-down pipe 10, and the heat exchanger 20 comprises a plate-cooling type heat exchanger and a tube-array heat exchanger, and a valve III 22 is arranged on a pipeline communicated with the desulfurization lean rich liquid heat exchanger 25 and the regeneration tower 24;
The waste heat boiler blow-down pipe 10 comprises a waste heat boiler used in smelting and sulfuric acid smelting processes, the sewage comprises continuous sewage and periodic sewage, and the sewage is discharged into the recovery tank 30 to be used as pure water for standby, wherein the pure water comprises desalting water, liquid preparation water and water supplement in a desulfurization process.
The working principle is that the steam required by the original desulfurizing agent in the regeneration process is reduced to 7.5t/h from 11t/h through the device for utilizing the sewage discharged by the waste heat boiler in the desulfurization regeneration process.
Finally, it should be noted that the above-mentioned examples are given for the purpose of illustration only and are not intended to limit the utility model to the particular embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (5)
1. The device for utilizing the waste heat boiler blow-down water in desulfurization regeneration is characterized by comprising a waste heat boiler blow-down pipe (10), a heat exchanger (20), a desulfurization lean-rich liquid heat exchanger (25), a regeneration tower (24) and a recovery tank (30);
The heat exchanger (20) is in butt joint with a rich liquid pipe behind the desulfurization lean rich liquid heat exchanger (25), the rich liquid pipe is provided with a valve I (21), and a pipeline communicated with the heat exchanger (20) and the regeneration tower (24) is provided with a valve II (23);
The water in the waste heat boiler blow-down pipe (10) is condensed by the heat exchanger (20) and then discharged into the recovery tank (30) to serve as pure water for standby.
2. A device for utilizing waste heat boiler blow-down water in desulfurization regeneration according to claim 1, wherein a flow meter upper valve (11), a flow meter (12) and a flow meter lower valve (13) are connected to the waste heat boiler blow-down pipe (10).
3. A device for utilizing waste heat boiler blow-down water in desulfurization regeneration according to claim 2, wherein the heat value of the rich liquid after heat exchange in the desulfurization lean rich liquid heat exchanger (25) is lower than the heat value of the sewage discharged by the waste heat boiler blow-down pipe (10).
4. A device for utilizing waste heat boiler blow-down water in desulfurization regeneration according to claim 1, wherein said heat exchanger (20) comprises a plate-cooled and a tube-type heat exchanger.
5. A device for utilizing waste heat boiler blow-down water in desulfurization regeneration according to claim 1, wherein a valve III (22) is arranged on a pipeline connected with a desulfurization lean rich liquid heat exchanger (25) and a regeneration tower (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421021418.6U CN222489518U (en) | 2024-05-13 | 2024-05-13 | Device for utilizing waste heat boiler blow-down water in desulfurization regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421021418.6U CN222489518U (en) | 2024-05-13 | 2024-05-13 | Device for utilizing waste heat boiler blow-down water in desulfurization regeneration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222489518U true CN222489518U (en) | 2025-02-18 |
Family
ID=94554657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421021418.6U Active CN222489518U (en) | 2024-05-13 | 2024-05-13 | Device for utilizing waste heat boiler blow-down water in desulfurization regeneration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222489518U (en) |
-
2024
- 2024-05-13 CN CN202421021418.6U patent/CN222489518U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111306567B (en) | Hot air positive pressure purging system for inhibiting air preheater from being blocked and working method thereof | |
| CN102087021A (en) | Integrated system for utilizing residual heat of boiler smoke and removing sulfur | |
| CN207439189U (en) | A kind of exhaust steam afterheat recycling device for aerated brick field | |
| CN112146118A (en) | A carbon-based catalytic regeneration tower heat source system suitable for coal-fired power stations | |
| CN102444901A (en) | Coal power plant combined type heat pipe flue gas waste heat recovery system and method | |
| CN102980198B (en) | Washing condensing smoke triple recovery device | |
| CN103990372B (en) | Ammonia-based carbon capture system with solar desalination assisted coal-fired power generation | |
| CN222489518U (en) | Device for utilizing waste heat boiler blow-down water in desulfurization regeneration | |
| CN102343209B (en) | Seawater flue gas desulphurization (FGD) system applying boiler blowdown water | |
| CN114151822A (en) | System and method for preheating pulverized coal by flash evaporation and heat extraction of desulfurization slurry | |
| CN118634629A (en) | A flash desulfurization slurry waste heat recovery system and method | |
| CN202692016U (en) | Flue gas waste heat recovery system for concurrent boiler | |
| CN212482227U (en) | Heat exchange device for desulfurization wastewater and flue gas waste heat | |
| CN218954919U (en) | Device for recycling waste heat of flue gas by adopting low-temperature condenser | |
| CN202478813U (en) | Wet flue gas desulphurization system used for coal-fired power plant boiler | |
| CN207962613U (en) | A kind of smoke waste heat utilization system | |
| CN216346364U (en) | System for desulfurization slurry flash evaporation is carried heat and is preheated buggy | |
| CN113513745B (en) | Low-temperature economizer system with low-temperature corrosion self-blocking function and operating method | |
| CN214536265U (en) | A carbon-based catalytic regeneration tower heat source system suitable for coal-fired power stations | |
| CN204213956U (en) | A kind of boiler smoke step waste heat recovery economizer | |
| CN211902832U (en) | Condensed water heating system utilizing waste heat of waste heat boiler flue | |
| CN220223671U (en) | Ammonia-containing wastewater reduction recycling device | |
| CN219318411U (en) | A Radial Heat Pipe Low Temperature Economizer System | |
| CN207738712U (en) | Hot water circulating system for vacuum potassium carbonate desulfurization by using waste heat of raw gas | |
| CN201362637Y (en) | Residual heat recovery and desulfurization dust removal device of glass melter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |