CN213802993U - Concentrated drying tower system of integration desulfurization waste water - Google Patents
Concentrated drying tower system of integration desulfurization waste water Download PDFInfo
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- CN213802993U CN213802993U CN202022721307.4U CN202022721307U CN213802993U CN 213802993 U CN213802993 U CN 213802993U CN 202022721307 U CN202022721307 U CN 202022721307U CN 213802993 U CN213802993 U CN 213802993U
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses an integrated desulfurization waste water concentration and drying tower system, which comprises a desulfurization waste water concentration and drying integrated tower, a boiler flue gas inlet pipeline, an air preheater, a flue gas distributor, an electric dust remover, an outlet flue, a desulfurization waste water pipeline, a desulfurization waste water pretreatment water tank, an ash conveying pipeline and a desulfurization waste water concentrated solution buffer tank; a tower top demister, a desulfurization wastewater concentration spraying layer, a pre-concentration cooling chamber and a central cylinder are sequentially arranged in the desulfurization wastewater concentration and drying integrated tower from top to bottom, wherein a flue gas distributor is arranged in the central cylinder, an annular ascending chamber is formed between the central cylinder and the inner wall of the desulfurization wastewater concentration and drying integrated tower, and the annular ascending chamber is communicated with the pre-concentration cooling chamber; the desulfurization waste water concentration nozzle and the desulfurization waste water concentrated solution atomization nozzle are sequentially arranged in the central cylinder from top to bottom, and the system is simple in structure, low in investment cost and good in economical efficiency.
Description
Technical Field
The utility model belongs to the technical field of the pollutant control, a concentrated drying tower system of integration desulfurization waste water is related to.
Background
SO in air pollutants in China2Is one of important pollutants and is also the main reason of forming acid rain, and SO discharged by flue gas of coal-fired power plants2But also a major source of atmospheric pollutants. After the ultralow emission standard of the flue gas of the thermal power plant is provided, higher requirements are provided for the coal-fired power plant, and the higher requirements for the operation stability and reliability of a flue gas desulfurization system of the power plant are further improved.
At present, more than 90% of flue gas desulfurization of a coal-fired power plant adopts a limestone-gypsum wet desulfurization process, and wastewater of the coal-fired power plant mainly comes from a desulfurization absorption tower, wherein the wastewater of the desulfurization absorption tower consists of wastewater generated by a boiler feedwater treatment system, high salt water generated by a circulating water system and a cooling water system, wastewater generated by a desulfurization system and wastewater of other systems, and the like, so that most of the wastewater of the thermal power plant is collected by the wastewater of the desulfurization system, is terminal wastewater of the coal-fired power plant, and has the worst water quality. In order to maintain the quality of a slurry system of a desulfurization system and ensure the stable operation of the desulfurization system and the quality of gypsum, a certain amount of wastewater must be discharged from the desulfurization system, the discharged desulfurization wastewater often contains a plurality of impurities, such as sulfate, heavy metals, suspended matters, and heavy metals, such as Pb, Cd, Cr, Ni, Hg and the like, which are listed as first pollutants in the Integrated wastewater discharge Standard, and the discharged wastewater must meet the standards for discharge. Heavy metal ions contained in the desulfurization wastewater have considerable toxicity, are difficult to self-purify or biodegrade when discharged into the natural environment, can be enriched in natural water, and can cause harm to organisms in the water after reaching a certain amount.
The common way of waste water concentration and reduction and evaporation drying is used in the desulfurization waste water zero discharge process in the coal-fired power plant at present. According to the existing process for realizing zero discharge of wastewater, the wastewater heat concentration and evaporation drying can be stably operated, but the exhaust gas at the inlet of the air preheater and the exhaust gas at the inlet of the desulfurization system are respectively extracted, so that the exhaust gas system is complicated, the heat concentration tower and the evaporation drying tower are built, the equipment investment is large, and the whole economy of the unit is influenced by the large amount of the exhaust gas at the inlet of the air preheater.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an integration desulfurization waste water concentrated drying tower system, this system simple structure, investment cost is low, and the economic nature is better.
In order to achieve the purpose, the integrated desulfurization wastewater concentration and drying tower system of the utility model comprises a desulfurization wastewater concentration and drying integrated tower, a boiler flue gas inlet pipeline, an air preheater, a flue gas distributor, an electric dust remover, an outlet flue, a desulfurization wastewater pipeline, a desulfurization wastewater pretreatment water tank, an ash conveying pipeline and a desulfurization wastewater concentrated solution buffer tank;
a tower top demister, a desulfurization wastewater concentration spraying layer, a pre-concentration cooling chamber and a central cylinder are sequentially arranged in the desulfurization wastewater concentration and drying integrated tower from top to bottom, wherein a flue gas distributor is arranged in the central cylinder, an annular ascending chamber is formed between the central cylinder and the inner wall of the desulfurization wastewater concentration and drying integrated tower, and the annular ascending chamber is communicated with the pre-concentration cooling chamber; a desulfurization waste water concentration nozzle and a desulfurization waste water concentrated solution atomization nozzle are sequentially arranged in the central cylinder from top to bottom;
the outlet of the boiler flue gas inlet pipeline is divided into two paths, wherein one path is communicated with the inlet of an air preheater, the other path is connected with the flue gas inlet of a flue gas distributor, the outlet of the air preheater is communicated with the inlet of an electric dust remover, the outlet of the electric dust remover is divided into two paths, one path is communicated with an outlet flue, the other path is communicated with the flue gas inlet of the flue gas distributor, the outlet at the top of the desulfurization wastewater concentration and drying integrated tower is divided into two paths, one path is communicated with the outlet flue, and the other path is communicated with the inlet of the electric dust remover;
the desulfurization waste water pipeline is communicated with the inlet of the desulfurization waste water pretreatment water tank, and the outlet of the desulfurization waste water pretreatment water tank is communicated with the inlet of the desulfurization waste water concentration spraying layer;
the bottom of the concentrated dry integrative tower of desulfurization waste water is provided with dry crystallization ash hopper and desulfurization waste water concentrate hopper, and wherein, dry crystallization ash hopper links to each other with defeated grey pipeline, and desulfurization waste water concentrate hopper links to each other with desulfurization waste water concentrate baffle-box, and the export of desulfurization waste water concentrate baffle-box is linked together with desulfurization waste water concentrate atomizing nozzle and desulfurization waste water concentrate nozzle.
The circular ring-shaped ascending chamber is communicated with the pre-concentration and temperature reduction chamber through an inclined Z-shaped channel.
An electric shutoff door is arranged on the inlet cone section of the dry crystallized ash hopper and is connected with an air tank of an air compressor.
The outlet of the boiler flue gas inlet pipeline is connected with the flue gas inlet of the flue gas distributor through a hot flue gas regulating valve.
The outlet of the electric dust collector is communicated with the flue gas inlet of the flue gas distributor through a low-temperature flue gas regulating valve and an air exhaust blower.
The outlet at the top of the desulfurization wastewater concentration and drying integrated tower is divided into two paths, wherein one path is communicated with an outlet flue through a concentrated flue gas discharge baffle, and the other path is communicated with the inlet of an electric dust collector through a dry crystallization flue gas discharge baffle;
the outlet of the desulfurization wastewater pretreatment water tank is communicated with the inlet of the desulfurization wastewater concentration spraying layer through a clarified desulfurization wastewater delivery pump, a desulfurization wastewater buffer tank and a desulfurization wastewater concentration delivery pump in sequence;
the outlet of the desulfurization waste water concentrated solution buffer tank is divided into two paths after passing through a desulfurization waste water concentrated solution delivery pump, wherein one path is communicated with a desulfurization waste water concentrated solution atomizing nozzle through a waste water concentration regulating valve, and the other path is communicated with the desulfurization waste water concentration nozzle through a waste water drying regulating valve.
And an induced draft fan is arranged on the outlet flue.
The utility model discloses following beneficial effect has:
the utility model discloses an integrated desulfurization waste water concentration drying tower system adopts the integrated design when specifically operating, wherein, the top of the tower defroster, desulfurization waste water concentration spraying layer, pre-concentration cooling room and a center cylinder have been set gradually from top to bottom in the desulfurization waste water concentration drying integrated tower, wherein, a flue gas distributor is arranged in the center cylinder, a circular ring shaped rising chamber is formed between the center cylinder and the inside of the desulfurization waste water concentration drying integrated tower, the circular ring shaped rising chamber is communicated with the pre-concentration cooling room; the concentrated nozzle of desulfurization waste water and the thick liquid atomizing nozzle of desulfurization waste water have been set gradually from top to bottom in the section of thick bamboo of center, adopt the concentrated dry integrative tower of desulfurization waste water to realize waste water thermal concentration and evaporation drying process, compare the equipment area of current technology little, practice thrift the construction investment, the economic nature is better to simple structure has improved the stability of desulfurization waste water zero discharge system operation. It should be noted that, the desulfurization waste water is further pre-concentrated by utilizing the flue gas with higher temperature after drying and crystallization through the pre-concentration cooling chamber, the energy consumption of the desulfurization waste water zero discharge system is reduced, and the safe operation of equipment such as a demister is protected.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is an air preheater, 2 is an electric dust remover, 3 is an induced draft fan, 4 is a hot flue gas regulating valve, 5 is a low-temperature flue gas regulating valve, 6 is an air exhaust blower, 7 is an air compressor tank, 8 is a drying tower ash conveying valve, 9 is a concentrated solution conveying valve, 10 is an electric shutoff door, 11 is a desulfurization wastewater concentration and drying integrated tower, 12 is an annular ascending chamber, 13 is a desulfurization wastewater concentrated solution atomizing nozzle, 14 is a desulfurization wastewater concentration nozzle, 15 is a flue gas distributor, 16 is a preconcentration cooling chamber, 17 is a desulfurization wastewater concentration spraying layer, 18 is a tower top demister, 19 is a dry crystallization flue gas discharge baffle, 20 is a concentrated flue gas discharge baffle, 21 is a wastewater concentration regulating valve, 22 is a wastewater drying regulating valve, 23 is a desulfurization wastewater concentrated solution buffer tank, 24 is a desulfurization wastewater concentrated solution conveying pump, 25 is a desulfurization wastewater concentrated solution conveying pump, 26 is a desulfurization wastewater buffer tank, 27 is a clarifying desulfurization waste water delivery pump, and 28 is a desulfurization waste water pretreatment water tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the integrated desulfurization wastewater concentrating and drying tower system of the present invention includes a desulfurization wastewater concentrating and drying integrated tower 11, a boiler flue gas inlet pipeline, an air preheater 1, a flue gas distributor 15, an electric dust remover 2, an outlet flue, a desulfurization wastewater pipeline, a desulfurization wastewater pretreatment water tank 28, an ash conveying pipeline, and a desulfurization wastewater concentrate buffer tank 23; a tower top demister 18, a desulfurization wastewater concentration spray layer 17, a pre-concentration cooling chamber 16 and a central cylinder are sequentially arranged in the desulfurization wastewater concentration and drying integrated tower 11 from top to bottom, wherein a flue gas distributor 15 is arranged in the central cylinder, an annular ascending chamber 12 is formed between the central cylinder and the inner wall of the desulfurization wastewater concentration and drying integrated tower 11, and the annular ascending chamber 12 is communicated with the pre-concentration cooling chamber 16; a desulfurization waste water concentration nozzle 14 and a desulfurization waste water concentrated solution atomization nozzle 13 are sequentially arranged in the central cylinder from top to bottom; the outlet of the boiler flue gas inlet pipeline is divided into two paths, wherein one path is communicated with the inlet of the air preheater 1, the other path is connected with the flue gas inlet of the flue gas distributor 15, the outlet of the air preheater 1 is communicated with the inlet of the electric dust remover 2, the outlet of the electric dust remover 2 is divided into two paths, one path is communicated with the outlet flue, the other path is communicated with the flue gas inlet of the flue gas distributor 15, the outlet at the top of the desulfurization wastewater concentration and drying integrated tower 11 is divided into two paths, one path is communicated with the outlet flue, and the other path is communicated with the inlet of the electric dust remover 2; the desulfurization waste water pipeline is communicated with the inlet of the desulfurization waste water pretreatment water tank 28, and the outlet of the desulfurization waste water pretreatment water tank 28 is communicated with the inlet of the desulfurization waste water concentration spraying layer 17; the bottom of the desulfurization waste water concentration and drying integrated tower 11 is provided with a dry crystallized ash hopper and a desulfurization waste water concentrated solution hopper, wherein the dry crystallized ash hopper is connected with an ash conveying pipeline, the desulfurization waste water concentrated solution hopper is connected with a desulfurization waste water concentrated solution buffer tank 23, and the outlet of the desulfurization waste water concentrated solution buffer tank 23 is communicated with a desulfurization waste water concentrated solution atomizing nozzle 13 and a desulfurization waste water concentration nozzle 14.
The circular ring-shaped ascending chamber 12 is communicated with a pre-concentration cooling chamber 16 through an inclined Z-shaped channel.
An electric shutoff door 10 is arranged on the inlet conical section of the dry crystallized ash hopper, and the electric shutoff door 10 is connected with an air compressor air tank 7.
The outlet of the boiler flue gas inlet pipeline is connected with the flue gas inlet of a flue gas distributor 15 through a hot flue gas regulating valve 4.
The outlet of the electric dust collector 2 is communicated with the flue gas inlet of the flue gas distributor 15 through a low-temperature flue gas regulating valve 5 and an air exhaust blower 6.
The outlet at the top of the desulfurization waste water concentration and drying integrated tower 11 is divided into two paths, wherein one path is communicated with an outlet flue through a concentrated flue gas discharge baffle 20, and the other path is communicated with the inlet of the electric dust collector 2 through a dried and crystallized flue gas discharge baffle 19;
the outlet of the desulfurization wastewater pretreatment water tank 28 is communicated with the inlet of the desulfurization wastewater concentration spraying layer 17 through a clarification desulfurization wastewater delivery pump 27, a desulfurization wastewater buffer tank 26 and a desulfurization wastewater concentration delivery pump 25 in sequence;
the outlet of the desulfurization waste water concentrated solution buffer tank 23 is divided into two paths after passing through a desulfurization waste water concentrated solution delivery pump 24, wherein one path is communicated with the desulfurization waste water concentrated solution atomizing nozzle 13 through a waste water concentration regulating valve 21, and the other path is communicated with the desulfurization waste water concentration nozzle 14 through a waste water drying regulating valve 22.
An induced draft fan 3 is arranged on the outlet flue.
The utility model discloses a concrete implementation process does:
in the desulfurization waste water concentration stage, the exhaust blower 6 extracts the flue gas at the outlet of the electric dust collector 2 and sends the flue gas into the flue gas distributor 15, the low-temperature flue gas is distributed by the flue gas distributor 15 and then flows downwards along the central cylinder together with the desulfurization waste water concentrated solution atomized by the desulfurization waste water concentration nozzle 14, the water content of the evaporation part of the desulfurization waste water concentrated solution is concentrated in the flowing process, so that the temperature of the flue gas is reduced, the flue gas temperature is reduced and then the flue gas and the water evaporated by the desulfurization waste water are lifted through the annular lifting chamber 12 at the outer side of the central cylinder, then the flue gas and the water enter the pre-concentration cooling chamber 16 through the inclined Z-shaped channel, finally the desulfurization waste water from the desulfurization waste water buffer tank 26 is atomized by the desulfurization waste water concentration spraying layer 17 and further cooled, then the flue gas is demisted by the tower top demister 18 and then discharged into the outlet flue, the concentrated liquid of the desulfurization waste water enters the desulfurization waste water concentrate hopper and then is sent into the desulfurization waste water buffer tank 23 through the concentrated solution delivery valve 9, further concentrating the desulfurization wastewater concentrated solution; the desulfurization wastewater enters a desulfurization wastewater pretreatment water tank 28 to primarily precipitate large suspended solids in the desulfurization wastewater, the precipitated sludge is discharged into a gypsum dehydration system for treatment, the primarily precipitated desulfurization wastewater is pumped into a desulfurization wastewater buffer tank 26 through a clarification desulfurization wastewater delivery pump 27 and then is sent into a desulfurization wastewater concentration spray layer 17 through a desulfurization wastewater concentration delivery pump 25, the flow rate of the wastewater in the desulfurization wastewater concentration spray layer 17 is adjusted according to the flue gas temperature to control the pre-concentration ratio, the pre-concentrated wastewater enters a desulfurization wastewater concentrate buffer tank 23, the concentrated desulfurization wastewater concentrated in the desulfurization wastewater concentrate buffer tank 23 is pumped into a desulfurization wastewater concentration nozzle 14 through a desulfurization wastewater concentrate delivery pump 24 to be atomized and then is concentrated with the flue gas evaporated water uniformly distributed with a flue gas distributor 15, and the flow rate and the concentration ratio of the concentrated wastewater are adjusted according to the extracted flue gas temperature and the flue gas amount, the concentrated desulfurization wastewater falls into the desulfurization wastewater concentrated solution buffer tank 23, and the process is circulated until the desulfurization wastewater is concentrated to a set proportion.
In the stage of evaporative crystallization of the desulfurization waste water, the hot flue gas quantity of the flue gas with higher temperature at the inlet of the air preheater 1 is adjusted by using a hot flue gas adjusting valve 4, the hot flue gas enters a flue gas distributor 15, the hot flue gas is distributed by the flue gas distributor 15 to flow downwards along a central cylinder together with the concentrated desulfurization waste water atomized by a desulfurization waste water concentrated solution atomizing nozzle 13, the desulfurization waste water concentrated solution is evaporated to dryness by the flue gas to form ash flue gas in the flowing process and is also reduced, the flue gas with higher temperature and the evaporated water in the desulfurization waste water concentrated solution rise together in an annular rising chamber 12 at the outer side of the central cylinder, the flue gas with higher temperature enters a pre-concentration cooling chamber 16 through an inclined Z-shaped channel at the upper part of the annular rising chamber 12, the flue gas with higher temperature contacts with the clarified desulfurization waste water atomized by a desulfurization waste water concentrated spraying layer 17 and comes from a desulfurization waste water buffer tank 26 to be further cooled, and then the flue gas is discharged after fog drops are removed by a tower top demister 18, then the flue gas is discharged into an electric dust collector 2 through a dry crystallization flue gas discharge baffle 19, the wastewater flow in the desulfurization wastewater concentration spraying layer 17 is adjusted according to the flue gas temperature to control the pre-concentration proportion, and the desulfurization wastewater pre-concentrated at the top enters a desulfurization wastewater concentrated solution buffer tank 23; the ash after the desulfurization waste water concentrated solution is evaporated to dryness and crystallized falls into a crystallized ash hopper controlled by an electric shutoff valve 10, and finally is sent into an ash storehouse through an ash conveying valve 8 of a drying tower.
The utility model discloses close waste water concentration tower and dry crystallizing tower into one according to the characteristics of desulfurization waste water discharge discontinuous operation, integration desulfurization waste water concentration drying tower is as desulfurization waste water concentration tower and dense liquid drying tower alternate operation respectively, the lower flue gas of 2 exit temperatures of electrostatic precipitator is used to the heat source that gets into integration desulfurization waste water concentration drying tower during waste water is concentrated, the hot flue gas of 1 entry of air heater is used to the heat source that gets into integration desulfurization waste water concentration drying tower during the dense liquid is dry, desulfurization waste water concentration tower and waste water dense liquid drying tower close as an organic wholely, the construction investment of saving equipment area and reduction.
Claims (9)
1. An integrated desulfurization wastewater concentration and drying tower system is characterized by comprising a desulfurization wastewater concentration and drying integrated tower (11), a boiler flue gas inlet pipeline, an air preheater (1), a flue gas distributor (15), an electric dust remover (2), an outlet flue, a desulfurization wastewater pipeline, a desulfurization wastewater pretreatment water tank (28), an ash conveying pipeline and a desulfurization wastewater concentrated solution buffer tank (23);
a tower top demister (18), a desulfurization wastewater concentration spraying layer (17), a pre-concentration cooling chamber (16) and a central cylinder are sequentially arranged in the desulfurization wastewater concentration and drying integrated tower (11) from top to bottom, wherein a flue gas distributor (15) is arranged in the central cylinder, an annular ascending chamber (12) is formed between the central cylinder and the inner wall of the desulfurization wastewater concentration and drying integrated tower (11), and the annular ascending chamber (12) is communicated with the pre-concentration cooling chamber (16); a desulfurization waste water concentration nozzle (14) and a desulfurization waste water concentrated solution atomization nozzle (13) are sequentially arranged in the central cylinder from top to bottom;
the outlet of the boiler flue gas inlet pipeline is divided into two paths, wherein one path is communicated with the inlet of the air preheater (1), the other path is connected with the flue gas inlet of the flue gas distributor (15), the outlet of the air preheater (1) is communicated with the inlet of the electric dust remover (2), the outlet of the electric dust remover (2) is divided into two paths, one path is communicated with the outlet flue, the other path is communicated with the flue gas inlet of the flue gas distributor (15), the outlet at the top of the desulfurization wastewater concentration and drying integrated tower (11) is divided into two paths, one path is communicated with the outlet flue, and the other path is communicated with the inlet of the electric dust remover (2);
the desulfurization waste water pipeline is communicated with an inlet of the desulfurization waste water pretreatment water tank (28), and an outlet of the desulfurization waste water pretreatment water tank (28) is communicated with an inlet of the desulfurization waste water concentration spraying layer (17);
the bottom of the desulfurization waste water concentration and drying integrated tower (11) is provided with a dry crystallized ash hopper and a desulfurization waste water concentrated solution hopper, wherein the dry crystallized ash hopper is connected with an ash conveying pipeline, the desulfurization waste water concentrated solution hopper is connected with a desulfurization waste water concentrated solution buffer box (23), and the outlet of the desulfurization waste water concentrated solution buffer box (23) is communicated with a desulfurization waste water concentrated solution atomizing nozzle (13) and a desulfurization waste water concentration nozzle (14).
2. The integrated desulfurization waste water concentrating and drying tower system according to claim 1, wherein the circular ring-shaped ascending chamber (12) is communicated with the pre-concentration cooling chamber (16) through an inclined Z-shaped channel.
3. The integrated desulfurization waste water concentrating and drying tower system according to claim 1, wherein an electric shutoff valve (10) is installed on the inlet cone section of the dry crystallized ash hopper, and the electric shutoff valve (10) is connected with an air compressor air tank (7).
4. The integrated desulfurization waste water concentrating and drying tower system according to claim 1, wherein the outlet of the boiler flue gas inlet pipeline is connected with the flue gas inlet of the flue gas distributor (15) through the hot flue gas adjusting valve (4).
5. The integrated desulfurization wastewater concentrating and drying tower system according to claim 1, wherein the outlet of the electric dust collector (2) is communicated with the flue gas inlet of the flue gas distributor (15) through the low-temperature flue gas regulating valve (5) and the air exhaust blower (6).
6. The integrated desulfurization waste water concentrating and drying tower system as claimed in claim 1, wherein the outlet at the top of the desulfurization waste water concentrating and drying integrated tower (11) is divided into two paths, one path is communicated with the outlet flue through a concentrated flue gas discharge baffle (20), and the other path is communicated with the inlet of the electric dust collector (2) through a dry crystallization flue gas discharge baffle (19).
7. The integrated desulfurization wastewater concentrating and drying tower system according to claim 1, wherein an outlet of the desulfurization wastewater pretreatment water tank (28) is communicated with an inlet of the desulfurization wastewater concentrating spray layer (17) through a clarification desulfurization wastewater delivery pump (27), a desulfurization wastewater buffer tank (26) and a desulfurization wastewater concentrating delivery pump (25) in sequence.
8. The integrated desulfurization wastewater concentrating and drying tower system according to claim 1, wherein the outlet of the desulfurization wastewater concentrate buffer tank (23) is divided into two paths after passing through the desulfurization wastewater concentrate delivery pump (24), wherein one path is communicated with the desulfurization wastewater concentrate atomizing nozzle (13) through the wastewater concentrating control valve (21), and the other path is communicated with the desulfurization wastewater concentrating nozzle (14) through the wastewater drying control valve (22).
9. The integrated desulfurization waste water concentrating and drying tower system according to claim 1, wherein an induced draft fan (3) is arranged on the outlet flue.
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| CN202022721307.4U CN213802993U (en) | 2020-11-23 | 2020-11-23 | Concentrated drying tower system of integration desulfurization waste water |
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| CN202022721307.4U CN213802993U (en) | 2020-11-23 | 2020-11-23 | Concentrated drying tower system of integration desulfurization waste water |
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Inventor after: Lei Ming Inventor after: Yu Zhao Inventor after: Meng Linghai Inventor after: Huan Xuanzhou Inventor after: Wu Xiaolong Inventor after: Wang Shaohui Inventor after: He Yangpeng Inventor after: Niu Yongjun Inventor after: Li Xinghua Inventor after: Li Nan Inventor after: Shi Zhenjing Inventor after: Yu Fusheng Inventor after: Wang Dingbang Inventor after: Guo Haoran Inventor before: Lei Ming Inventor before: Yu Zhao Inventor before: Meng Linghai Inventor before: Huan Xuanzhou Inventor before: Wu Xiaolong Inventor before: Wang Shaohui Inventor before: He Yangpeng Inventor before: Niu Yongjun Inventor before: Li Xinghua Inventor before: Li Nan Inventor before: Shi Zhenjing Inventor before: Yu Fusheng Inventor before: Wang Dingbang Inventor before: Guo Haoran |