CN111991996A - Water balance control method based on thermal power plant desulfurization double-tower circulation low load - Google Patents
Water balance control method based on thermal power plant desulfurization double-tower circulation low load Download PDFInfo
- Publication number
- CN111991996A CN111991996A CN202010739307.9A CN202010739307A CN111991996A CN 111991996 A CN111991996 A CN 111991996A CN 202010739307 A CN202010739307 A CN 202010739307A CN 111991996 A CN111991996 A CN 111991996A
- Authority
- CN
- China
- Prior art keywords
- water
- desulfurization
- slurry
- power plant
- pump
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1431—Pretreatment by other processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1412—Controlling the absorption process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1418—Recovery of products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of desulfurization double-tower water balance control, and discloses a water balance control method based on desulfurization double-tower circulating low load of a thermal power plant. This water balance control method based on desulfurization double tower circulation low-load of thermal power plant controls the water balance through six steps, and the effectual system of having avoided intakes too much, and influence the defroster and wash, destroys the problem of water balance even, has ensured the normal operating of system, and whole step is simple and convenient, easily promotes, facilitates the use, is applicable to various situations.
Description
Technical Field
The invention relates to the technical field of desulfurization double-tower water balance control, in particular to a water balance control method based on desulfurization double-tower circulating low load of a thermal power plant.
Background
The water balance refers to the dynamic balance between water entering the system and water dissipated or discharged by the system when the FGD system operates normally, and the water balance is an important index for representing the normal operation of the FGD system and is also one of the main works for daily regulation of the FGD system.
In the double-tower double-circulation flue gas desulfurization system, the water balance is an important parameter for operation management, the regulation of the water balance is an important aspect of the stable operation of the system, the cooling water of large equipment is recycled by utilizing the closed cold water of a power plant as much as possible, because a large amount of cooling water enters the desulfurization system, the system water inflow is excessive, the flushing of a demister is influenced, even the water balance is damaged, when the positive water balance occurs, the liquid level of the absorption tower is high, the demister has less chance of being washed, the element is blocked seriously, the differential pressure of the system is increased, an induced draft fan surges frequently, a movable vane cannot be opened greatly, the liquid level of the absorption tower is out of control, the slurry concentration is low, the gypsum dehydration is difficult, the absorption tower can only be discharged to an accident slurry tank to relieve the urgency, and finally, all tanks, tanks and ground pits in the system are full of water, such a vicious cycle eventually causes the FGD system to be forced to shut down, so the above water balance control method based on the low load of the thermal power plant desulfurization double tower cycle is proposed to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a water balance control method based on double-tower circulation low load of thermal power plant desulfurization, which has the advantages of controlling water balance and the like, and solves the problems that cooling water of large equipment is recycled by using closed cooling water of a power plant as much as possible, excessive system water inflow is caused by the fact that a large amount of cooling water enters a desulfurization system, flushing of a demister is influenced, even water balance is damaged, and when positive water balance occurs, the liquid level of an absorption tower is high, the demister has few opportunities for flushing, elements are seriously blocked, system differential pressure is increased, an induced draft fan is frequently surged, movable blades cannot be enlarged, the liquid level of the absorption tower is out of control, the slurry concentration is low, gypsum dehydration is difficult, only the situation that the slurry is suddenly released to an accident slurry tank, and finally, all tanks and ground pits in the system are full of water, and the FGD system is finally forced to stop running due to such.
(II) technical scheme
In order to achieve the purpose of controlling water balance, the invention provides the following technical scheme:
a water balance control method based on thermal power plant desulfurization double-tower circulation low load comprises the following steps:
1) the desulfurization process is technically improved, the pump of the desulfurization slurry is sealed by a water machine and is changed into a non-water machine, and the water consumption is reduced;
2) reducing the water supplementing amount of the process water of the whole system, and replacing a limestone slurry tank with filtrate water for slurry preparation;
3) cooling water of a slurry circulating pump speed reducer and cooling water of an oxidation fan flow back to an industrial water tank from a process water tank for closed circulation;
4) the liquid levels of the absorption tower, each box, each tank and the pit are reduced, favorable conditions are created for vigorously washing the demister, washing is enhanced, the conditions that the differential pressure of the system is large and the movable blades of the fan cannot be opened to a large extent are fundamentally avoided, and a virtuous cycle of water carrying in normal flue gas evaporation is brought;
5) an operator detects the operating current of the demister flushing water pump and the process water pump, and if the current is abnormally increased, an internal leakage valve or a pipeline is immediately searched;
6) the frequent start and stop of devices such as a slurry pump and the like are avoided, and the process water consumption of the system is reduced as much as possible.
Preferably, the FGD system consists of process water, a wastewater system, a dehydration system and a flue gas system, wherein the process water enters the FGD system and is subjected to wastewater removal, water carrying and steam removal by the wastewater system, the dehydration system and the flue gas system.
Preferably, the inorganic water seal of the desulfurization slurry pump in the step 1) maintains a certain sealing water flow, and the flow can refer to the sealing water flow of the slurry circulating pump, so as to ensure that heat generated by friction of the dynamic and static sealing rings of the mechanical seal is cooled in time.
Preferably, the process water consumption point comprises absorption tower water replenishing, inlet flue accident spray water, outlet pipeline flushing water of all slurry pumps and limestone slurry tank water replenishing.
Preferably, in the step 3), the circulating pump drives the cooling water to flow into the slurry circulating pump speed reducer and the oxidation fan from the process water tank, and then the cooling water flows back into the process water tank again.
Preferably, the desulfurization process is technically improved in the step 4), and the liquid levels of the absorption tower, each box, each tank and the pit are reduced.
Preferably, in the step 5), the operator is familiar with the current levels of the demister flushing water pump and the process water pump to judge whether the current is abnormal.
Preferably, the slurry pump and other equipment are started and stopped frequently, so that the consumption of process water is increased easily.
Preferably, the desulfurization process comprises the steps that the boiler heats the flue gas, the flue gas enters the pin removal device, the air preheater heats the flue gas again, then the dust is removed through the dust remover, the draught fan guides the flue gas into the primary absorption tower, meanwhile, the limestone supply equipment guides limestone into the secondary absorption tower and enters the primary absorption tower for desulfurization, and the limestone is dehydrated and exhausted and enters the gypsum storehouse.
(III) advantageous effects
Compared with the prior art, the invention provides an operation method of a unified or single control switch of an LED street lamp, which has the following beneficial effects:
1. the water balance control method based on the desulfurization double-tower circulation low load of the thermal power plant comprises the steps of carrying out technical transformation on a desulfurization process, changing a desulfurization slurry pump with a water seal into an inorganic seal and reducing the water consumption, carrying out technical transformation on the desulfurization process, changing the desulfurization slurry pump with the water seal into the inorganic seal and reducing the water consumption, enabling cooling water of a slurry circulating pump speed reducer and cooling water of an oxidation fan to flow back to an industrial water tank from the process water tank for closed circulation, reducing the liquid levels of an absorption tower, each tank, a tank and a pit, creating favorable conditions for vigorously washing a demister, enhancing washing, fundamentally avoiding the condition that a system differential pressure is large and a fan movable blade cannot be opened, bringing benign circulation of water with normal flue gas evaporation, detecting the running current of a demister washing water pump and a process water pump by operators, immediately searching an inner leakage valve or a pipeline if the current rises abnormally, the method has the advantages that the frequent starting and stopping of devices such as a slurry pump and the like are avoided, the process water consumption of the system is reduced as much as possible, the water balance is controlled through six steps, the problems that the water inflow of the system is too much, the flushing of a demister is influenced, and even the water balance is damaged are effectively avoided, the normal operation of the system is guaranteed, the whole steps are simple and convenient, the popularization is easy, the use is convenient, and the method is suitable for various conditions.
2. This water balance control method based on desulfurization double tower circulation low-load of thermal power plant, heat the flue gas through the boiler, enter into the device of taking off a round pin, and heat the flue gas once more by the air preheater, then remove dust through the dust remover, the draught fan is leading-in to the one-level absorption tower with the flue gas in, limestone supply equipment simultaneously leads-in the second grade absorption tower with the lime stone, and enter into the one-level absorption tower and carry out the desulfurization, and the lime stone carries out dehydration and exhaust, and enter into the gypsum storehouse, this method is through reforming transform the desulfurization mode, efficiency when the desulfurization has been accelerated, shut cold water recycle in desulfurization system, can accomplish the using water wisely, easily user's use.
Drawings
FIG. 1 is a working schematic diagram of a method for controlling water balance based on low-load desulfurization double-tower circulation of a thermal power plant according to the present invention;
fig. 2 is a system block diagram of a thermal power plant desulfurization double-tower circulation low-load-based water balance control method provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Referring to fig. 1-2, a method for controlling water balance based on low load of desulfurization double tower circulation of a thermal power plant comprises the following steps:
1) the desulfurization process is technically improved, a desulfurization slurry pump is changed into a water-free mechanical seal mode by a water seal mode, and the water consumption is reduced, the FGD system is composed of process water, a wastewater system, a dehydration system and a flue gas system, the process water enters the FGD system and is subjected to wastewater removal, water carrying and steam removal by the wastewater system, the dehydration system and the flue gas system, the inorganic water seal of the desulfurization slurry pump in the step 1) keeps certain sealing water flow, the flow can refer to the sealing water flow of a slurry circulating pump, so that the heat generated by friction of a dynamic sealing ring and a static sealing ring of the mechanical seal is ensured to be cooled in time, the desulfurization process comprises the steps of heating the flue gas by a boiler, entering a pin removal device, reheating the flue gas by an air preheater, then removing dust by a dust remover, leading the flue gas into a primary absorption tower by an induced draft fan, and simultaneously leading limestone into a secondary absorption tower by a limestone, and enters a first-stage absorption tower for desulfurization, while limestone is dehydrated and exhausted and enters a gypsum storehouse;
2) reducing the process water replenishing amount of the whole system, and replacing a limestone slurry tank with filtrate water for slurry preparation, wherein the process water consumption point comprises absorption tower water replenishing, inlet flue accident spray water, outlet pipeline flushing water of all slurry pumps and limestone slurry tank water replenishing;
3) cooling water of a slurry circulating pump speed reducer and cooling water of an oxidation fan flow back to an industrial water tank from a process water tank for closed circulation, and in the step 3), the circulating pump drives the cooling water to flow into the slurry circulating pump speed reducer and the oxidation fan from the process water tank and flow back into the process water tank again;
4) the liquid levels of the absorption tower, each box, each tank and the pit are reduced, favorable conditions are created for vigorously washing the demister, washing is enhanced, the conditions that the system differential pressure is large and a fan movable blade cannot be opened to a large extent are fundamentally avoided, and a virtuous cycle of normal flue gas evaporation with water is brought, and the liquid levels of the absorption tower, each box, each tank and the pit are reduced by carrying out technical transformation on a desulfurization process in the step 4);
5) detecting the operating current of the demister washing water pump and the process water pump by an operator, if the current is abnormally increased, immediately searching an internal leakage valve or a pipeline, and familiarizing the current passing through the demister washing water pump and the process water pump by the operator in the step 5) to judge whether the current is abnormal;
6) the frequent start and stop of devices such as a slurry pump and the like are avoided, the process water consumption of the system is reduced as much as possible, the frequent start and stop of the devices such as the slurry pump and the like are realized, and the consumption of the process water is easily increased.
The invention has the beneficial effects that: the technical improvement is carried out on the desulfurization process, the water seal of a desulfurization slurry pump is changed into the water seal without a water machine, the water consumption is reduced, the water seal of the desulfurization slurry pump is changed into the water seal without the water machine, the water consumption is reduced, the cooling water of a slurry circulating pump speed reducer and the cooling water of an oxidation fan flow back to an industrial water tank from the industrial water tank for closed circulation, the liquid levels of an absorption tower, each tank, a tank and a pit are reduced, favorable conditions are created for vigorously washing a demister, washing is strengthened, the conditions that the differential pressure of the system is large and a fan movable blade cannot be opened are fundamentally avoided, the benign circulation of water brought by normal flue gas evaporation is brought, an operator detects the running current of a washing water pump and a process water pump of the demister, if the current is abnormally increased, an inner leakage valve or a pipeline is immediately searched, frequent starting and stopping of equipment such as the slurry pump are avoided, and the process water consumption, the method controls the water balance through six steps, effectively avoids the problems that the flushing of a demister is influenced and the water balance is damaged due to excessive water inflow of the system, ensures the normal operation of the system, has simple and convenient integral steps, is easy to popularize and convenient to use, and is suitable for various conditions.
And, heat the flue gas through the boiler, enter into the device of taking off the sale, and heat the flue gas again by the air preheater, then remove dust through the dust remover, the draught fan is leading-in the flue gas to the primary absorption tower, limestone supply equipment is leading-in the secondary absorption tower with the limestone simultaneously, and enter into the primary absorption tower and carry out the desulfurization, and the limestone dewaters and exhausts, and enter into the gypsum storehouse, this method is through reforming transform the desulfurization mode, efficiency when having accelerated the desulfurization, close cold water and recycle in desulfurization system, accomplish the using water wisely, easy user's use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A water balance control method based on low-load of desulfurization double-tower circulation of a thermal power plant is characterized by comprising the following steps of:
1) the desulfurization process is technically improved, the pump of the desulfurization slurry is sealed by a water machine and is changed into a non-water machine, and the water consumption is reduced;
2) reducing the water supplementing amount of the process water of the whole system, and replacing a limestone slurry tank with filtrate water for slurry preparation;
3) cooling water of a slurry circulating pump speed reducer and cooling water of an oxidation fan flow back to an industrial water tank from a process water tank for closed circulation;
4) the liquid levels of the absorption tower, each box, each tank and the pit are reduced, favorable conditions are created for vigorously washing the demister, washing is enhanced, the conditions that the differential pressure of the system is large and the movable blades of the fan cannot be opened to a large extent are fundamentally avoided, and a virtuous cycle of water carrying in normal flue gas evaporation is brought;
5) an operator detects the operating current of the demister flushing water pump and the process water pump, and if the current is abnormally increased, an internal leakage valve or a pipeline is immediately searched;
6) the frequent start and stop of devices such as a slurry pump and the like are avoided, and the process water consumption of the system is reduced as much as possible.
2. The method for controlling water balance based on low load of dual-tower circulation for thermal power plant desulfurization, according to claim 1, characterized in that the FGD system is composed of process water, a wastewater system, a dehydration system and a flue gas system, the process water enters the FGD system, and the wastewater system, the dehydration system and the flue gas system remove wastewater, water and vapor from the process water.
3. The method for controlling water balance based on low desulfurization double-tower circulation load of a thermal power plant as claimed in claim 1, wherein the inorganic water seal of the desulfurization slurry pump in step 1) maintains a certain sealing water flow, and the flow can refer to the sealing water flow of the slurry circulation pump, so as to ensure that heat generated by friction of dynamic and static sealing rings of the mechanical seal is cooled in time.
4. The method for controlling water balance based on low desulfurization double-tower circulation load of a thermal power plant as claimed in claim 1, wherein the water consumption points of the process water comprise absorption tower water supplement, inlet flue accident spray water, all slurry pump outlet pipeline flushing water and limestone slurry tank water supplement.
5. The method for controlling water balance based on dual-tower circulation low load of thermal power plant desulfurization according to claim 1, wherein in the step 3), the circulating pump drives the cooling water to flow into the slurry circulating pump reducer and the oxidation fan from the process water tank, and then the cooling water flows back into the process water tank again.
6. The method for controlling water balance based on low load of desulfurization double tower circulation of thermal power plant as claimed in claim 1, characterized in that in step 4), the desulfurization process is technically modified and the liquid levels of the absorption tower, each box, tank and pit are reduced.
7. The method for controlling water balance based on low load of desulfurization double tower circulation of thermal power plant as claimed in claim 1, wherein in the step 5), the operator is familiar with the current magnitude of the demister washing water pump and the process water pump to judge whether the current is abnormal.
8. The method for controlling water balance based on dual-tower circulation low load of thermal power plant desulfurization according to claim 1, wherein the slurry pump and other devices are frequently started and stopped, so that the consumption of process water is easily increased.
9. The method as claimed in claim 1, wherein the desulfurization process comprises heating flue gas by a boiler, feeding the flue gas into a denitration device, reheating the flue gas by an air preheater, dedusting the flue gas by a deduster, introducing the flue gas into a primary absorption tower by an induced draft fan, introducing limestone into a secondary absorption tower by a limestone supply device, desulfurizing the flue gas in the primary absorption tower, dehydrating and exhausting the limestone, and feeding the limestone into a gypsum storehouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739307.9A CN111991996A (en) | 2020-07-28 | 2020-07-28 | Water balance control method based on thermal power plant desulfurization double-tower circulation low load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739307.9A CN111991996A (en) | 2020-07-28 | 2020-07-28 | Water balance control method based on thermal power plant desulfurization double-tower circulation low load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111991996A true CN111991996A (en) | 2020-11-27 |
Family
ID=73462376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010739307.9A Pending CN111991996A (en) | 2020-07-28 | 2020-07-28 | Water balance control method based on thermal power plant desulfurization double-tower circulation low load |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111991996A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551708A (en) * | 2021-07-21 | 2021-10-26 | 西安热工研究院有限公司 | Water balance evaluation and control method for wet flue gas desulfurization system of thermal power plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224533A (en) * | 2001-02-05 | 2002-08-13 | Babcock Hitachi Kk | Method and apparatus for flue gas desulfurization |
| CN109663490A (en) * | 2018-12-30 | 2019-04-23 | 福建龙净环保股份有限公司 | Wet desulfurization flue gas condenser system and flue gas condensing method with water balance function |
| CN110052121A (en) * | 2019-05-14 | 2019-07-26 | 北京国电龙源环保工程有限公司 | A kind of desulphurization system water balance regulator control system and its process |
| CN210645759U (en) * | 2019-05-14 | 2020-06-02 | 北京国电龙源环保工程有限公司 | Water balance regulation and control system of desulfurization system |
| CN111229012A (en) * | 2020-03-26 | 2020-06-05 | 中煤能源研究院有限责任公司 | Low-load absorption tower water balance adjustment process system |
-
2020
- 2020-07-28 CN CN202010739307.9A patent/CN111991996A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002224533A (en) * | 2001-02-05 | 2002-08-13 | Babcock Hitachi Kk | Method and apparatus for flue gas desulfurization |
| CN109663490A (en) * | 2018-12-30 | 2019-04-23 | 福建龙净环保股份有限公司 | Wet desulfurization flue gas condenser system and flue gas condensing method with water balance function |
| CN110052121A (en) * | 2019-05-14 | 2019-07-26 | 北京国电龙源环保工程有限公司 | A kind of desulphurization system water balance regulator control system and its process |
| CN210645759U (en) * | 2019-05-14 | 2020-06-02 | 北京国电龙源环保工程有限公司 | Water balance regulation and control system of desulfurization system |
| CN111229012A (en) * | 2020-03-26 | 2020-06-05 | 中煤能源研究院有限责任公司 | Low-load absorption tower water balance adjustment process system |
Non-Patent Citations (4)
| Title |
|---|
| 孙若晨: ""某火电厂双塔双循环烟气脱硫系统优化运行研究"", 《电力科技与环保》, vol. 36, no. 3, pages 27 - 31 * |
| 安岩等: "2×300MW燃煤机组超低排放改造技术实例"", 《节能与环保》, pages 58 - 61 * |
| 张晓玲等: ""双塔串联脱硫系统技术特点分析及优化建议"", 《能源环境保护》, vol. 33, no. 4, pages 37 - 40 * |
| 张晓玲等: ""双塔串联脱硫系统除雾器堵塞原因分析与建议"", 《电力科技与环保》, vol. 35, no. 4, pages 41 - 43 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551708A (en) * | 2021-07-21 | 2021-10-26 | 西安热工研究院有限公司 | Water balance evaluation and control method for wet flue gas desulfurization system of thermal power plant |
| CN113551708B (en) * | 2021-07-21 | 2022-08-16 | 西安热工研究院有限公司 | Water balance evaluation and control method for wet flue gas desulfurization system of thermal power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209652260U (en) | A kind of Crouse's sulphur recovery and exhaust treatment system | |
| CN102235658A (en) | Hearth negative pressure control method and system for coal-fired generating unit draught fan driven by small steam turbine | |
| CN111991996A (en) | Water balance control method based on thermal power plant desulfurization double-tower circulation low load | |
| CN102051436B (en) | Method for generating electricity by using secondary recycling of steel-making converter gas | |
| CN202032550U (en) | Negative pressure control system of furnace cavity coal fired generating unit driven by small steam turbine of draft fan | |
| CN105148706A (en) | Energy conservation and emission reduction integral method for natural gas boilers | |
| CN202715346U (en) | Desulfurization system for energy-saving type coal-fired unit | |
| CN113187574B (en) | Ash water true flash negative pressure wet steam turbine waste heat power generation system of coal gasification device | |
| CN104457299A (en) | Screw expander dragged sintering wast heat power generation system and method | |
| CN204494368U (en) | A kind of adjustable feed water heat regenerative for thermal power plant | |
| CN209326387U (en) | A kind of power generation system with residual heat of fume | |
| CN202810977U (en) | Condensed steam back-heating type small-turbine driving rotation equipment system of thermal power plant | |
| CN207661754U (en) | It is a kind of to arrange flash vessel and oxygen-eliminating device exhaust steam residual heat recovery system surely | |
| CN213901030U (en) | Boiler opens and stops process and decide and arrange flash tank exhaust recovery unit | |
| CN213930887U (en) | Blowdown steam recovery system of multi-pressure boiler | |
| CN204002956U (en) | A kind of condensed steam type small turbine exhaust steam waste heat utilization system that drives induced draught fan | |
| CN212390339U (en) | Boiler is to empty exhaust comprehensive recovery unit | |
| CN202467946U (en) | Low-pressure saturated steam recycling apparatus | |
| CN205598945U (en) | Naphthalene method phthalic anhydride apparatus for producing exhaust gas purifying apparatus | |
| CN206845250U (en) | A kind of system that process equipment is driven using waste heat | |
| CN206247310U (en) | condensed water circulation heating device | |
| CN219140791U (en) | Effluent water sump exhaust treatment device | |
| CN216953017U (en) | Condensate system suitable for stable operation of slag cooler of circulating fluidized bed unit | |
| CN111396145A (en) | Sludge drying coupling power generation system with steam energy gradient utilization and working method thereof | |
| CN220267791U (en) | Sintering waste heat stepped utilization power generation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |