CN205398152U - System and flue gas processing system of desulfurization waste water are handled to power plant's bypass flue gas - Google Patents
System and flue gas processing system of desulfurization waste water are handled to power plant's bypass flue gas Download PDFInfo
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- CN205398152U CN205398152U CN201620172385.4U CN201620172385U CN205398152U CN 205398152 U CN205398152 U CN 205398152U CN 201620172385 U CN201620172385 U CN 201620172385U CN 205398152 U CN205398152 U CN 205398152U
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Abstract
The utility model discloses a system and flue gas processing system of desulfurization waste water are handled to power plant's bypass flue gas. The system that desulfurization waste water was handled to power plant's bypass flue gas includes: flue collector, spray water tank, water pump, air compressor machine, atomizing spray set, draught fan, evaporimeter, import baffle and outlet baffle, the water pump communicates with spray water tank, atomizing spray set respectively, air compressor machine and atomizing spray set intercommunication, the atomizing spray set set up in the evaporimeter, the first end and the draught fan intercommunication of flue collector, the setting of import baffle is between flue collector and draught fan, draught fan and evaporimeter intercommunication, the evaporimeter communicates with the second end of flue collector, outlet baffle sets up between evaporimeter and flue collector, the flue gas flows to its the second end from the first end of flue collector. The utility model discloses a system and flue gas processing system of desulfurization waste water are handled to power plant's bypass flue gas has realized the zero release of desulfurization waste water in power plant's flue gas processing procedure, has avoided desulfurization waste water to lead to secondary pollution.
Description
Technical field
This utility model relates to the technical field that desulfurization wastewater processes, and espespecially a kind of power plant bypasses system and the smoke processing system of fume treatment desulfurization wastewater.
Background technology
China is the country based on thermal power generation, coal-fired power plant produce harmful gas serious harm natural environment and human health.In order to reduce SO2Discharge capacity, current most domestic thermal power plant is assembled with flue gas desulfurization device, and wherein wet desulfurization of flue gas by limestone-gypsum method device is most widely used, and about account for and installs the 90% of desulfurizing machine pool-size.
Limestone-gypsum Wet Flue Gas Desulfurization Process technique adopts limestone as desulfurization absorbent, mixes after limestone crushing with water, levigate becomes powdery, makes absorption serosity.Absorbing serosity and be sent to desulfurizing tower loop slurry, loop slurry is sprayed from top to bottom by nozzle, contacts with the flue gas adverse current moved from bottom to top, the SO in flue gas2Being rapidly absorbed into slurry pool react with limestone, oxidation air and be removed, reacted product Gypsum Fibrosum transports after dehydration.
Producing a certain amount of desulfurization wastewater in wet desulfurization of flue gas by limestone-gypsum method technical process, it is compared with the industrial wastewater that thermal power plant is general, and water-quality ratio is more special, is mainly manifested in the following aspects: (1) waste water is faintly acid, and pH value is 4～6；(2) suspension content is high, but granule is tiny, and Main Ingredients and Appearance is Gypsum Fibrosum, secondly also from the calcium carbonate added in the flying dust of flue gas, sweetening process and calcium sulfite etc.；(3) containing the chloride of solubility, fluoride etc. in waste water, content of fluoride is generally more than 50mg/L (by F-)；(4) containing heavy metal elements such as Pb, Cd, Cr, Ni, Hg, Co, Cu, Al, Zn, Mn in waste water, wherein most is the heavy metal element of restriction in the existing sewage drainage standard of thermal power plant (GB8978-1996)；(5) from water quality index, in desulfurization wastewater, chemical oxygen consumption (COC) (COD) is also one of transnormal items.
Thus, desulfurization wastewater processes problem also becomes a new problem in thermal power plant design, production and scientific research.At present, processing of thermal power plant desulfurization wastewater mainly adopts traditional chemical treatment method.But, this disposal methods is relatively costly, and the product obtained can not recycle, it is also possible to can cause secondary pollution.
Therefore, the applicant is devoted to provide system and the smoke processing system of power plant's bypass fume treatment desulfurization wastewater of a kind of optimization.
Utility model content
The purpose of this utility model is to provide system and the bypass process system that a kind of power-plant flue gas processes, it can realize the zero-emission of desulfurization wastewater in the process for the treatment of of Power flue gas, and reasonable in design, operating procedure is simple, the energy can be utilized, reduce the processing cost of desulfurization wastewater, improve treatment effeciency.
For solving above-mentioned technical problem, this utility model provides the system of a kind of power plant bypass fume treatment desulfurization wastewater, including: flue collector；For storing the spray water tank of desulfurization wastewater；For extracting the water pump of desulfurization wastewater in described spray water tank；The air compressor machine of desulfurization wastewater atomizing spray is made for compressing air；Atomizing sprayer for the desulfurization wastewater after spray atomizing；For drawing the air-introduced machine of flue gas from described flue collector；For evaporating the vaporizer of the desulfurization wastewater after atomization；For controlling the inlet baffle of flue gas circulation；For controlling the outlet damper of flue gas circulation；The outlet of described spray water tank connects with the water inlet of described water pump.
The outlet of described water pump connects with described atomizing sprayer；The outlet of described air compressor machine connects with described atomizing sprayer；Described atomizing sprayer is arranged in described vaporizer.
The first end of described flue collector connects with the entrance of described air-introduced machine；Described inlet baffle is arranged between the entrance of described flue collector and described air-introduced machine；The outlet of described air-introduced machine connects with the entrance of described vaporizer；The outlet of described vaporizer connects with the second end of described flue collector；Described outlet damper is arranged between the outlet of described vaporizer and described flue collector；The circulating direction of described flue gas is that the first end from flue collector flows to its second end.
Preferably, the system of described power plant bypass fume treatment desulfurization wastewater also includes: for desulfurization wastewater carries out the desulfurization wastewater pretreatment unit of pretreatment, described desulfurization wastewater pretreatment unit connects with described spray water tank.
Preferably, described atomizing sprayer is arranged on the top of described vaporizer；Or；Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is horizontally disposed with；Or；Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is vertically arranged.
This utility model additionally provides a kind of power-plant flue gas and processes system, including: flue collector；For storing the spray water tank of desulfurization wastewater；For extracting the water pump of desulfurization wastewater in described spray water tank；The air compressor machine of desulfurization wastewater atomizing spray is made for compressing air；Atomizing sprayer for the desulfurization wastewater after spray atomizing；For drawing the air-introduced machine of flue gas from described flue collector；For evaporating the vaporizer of the desulfurization wastewater after atomization；For controlling the inlet baffle of flue gas circulation；For controlling the outlet damper of flue gas circulation；For flue gas being carried out the denitrification apparatus of denitration process；For removing the dry electric precipitation device of solid particle in flue gas；For the flue gas after dedusting being carried out the desulfurizing tower of desulfurization process.
The outlet of described spray water tank connects with the water inlet of described water pump；The outlet of described water pump connects with described atomizing sprayer；The outlet of described air compressor machine connects with described atomizing sprayer；Described atomizing sprayer is arranged in described vaporizer.
The outlet of described denitrification apparatus connects with the first end of described flue collector；The first end of described flue collector connects with the entrance of described air-introduced machine；Described inlet baffle is arranged between the entrance of described flue collector and described air-introduced machine；The outlet of described air-introduced machine connects with the entrance of described vaporizer；The outlet of described vaporizer connects with the second end of described flue collector；Described outlet damper is arranged between the outlet of described vaporizer and described flue collector；The second end of described flue collector connects with the entrance of described dry electric precipitation device；The outlet of described dry electric precipitation device connects with described desulfurizing tower；The first end that the circulating direction of described flue gas is from described flue collector flows to its second end.
Preferably, described power-plant flue gas processes system and also includes: for desulfurization wastewater carries out the desulfurization wastewater pretreatment unit of pretreatment, described desulfurization wastewater pretreatment unit connects with described spray water tank.
Preferably, described atomizing sprayer is arranged on the top of described vaporizer；Or；Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is horizontally disposed with；Or；Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is vertically arranged.
In sum, the power plant of the present utility model bypass system of fume treatment desulfurization wastewater and smoke processing system can realize following beneficial effect:
1, desulfurization wastewater first is carried out being atomized and being sprayed in vaporizer by the system of power plant of the present utility model bypass fume treatment desulfurization wastewater, again the flue gas in flue collector is incorporated in vaporizer, flue gas has certain waste heat, under the heating of fume afterheat, desulfurization wastewater droplet in vaporizer evaporates completely and obtains solid crystal thing, solid crystal thing is along with flue gas discharges vaporizer and turns again in flue collector, it is achieved thereby that the zero-emission of desulfurization wastewater in power-plant flue gas processing procedure, it is to avoid desulfurization wastewater causes secondary pollution.
2, the system of power plant of the present utility model bypass fume treatment desulfurization wastewater make use of the waste heat of flue gas that desulfurization wastewater is heated, and by the Multi-class propagation of waste recycling and energy, thus being effectively saved energy, reduces processing cost.
3, after desulfurization wastewater is heated by the flue gas in the system of power plant of the present utility model bypass fume treatment desulfurization wastewater in vaporizer, its temperature reduces, humidity improves, and in flue gas, the resistance of dust reduces therewith, and this is conducive to, in subsequent process, flue gas is carried out dust removal process.
4, the system of power plant of the present utility model bypass fume treatment desulfurization wastewater also includes desulfurization wastewater pretreatment unit that desulfurization wastewater carries out pretreatment, first desulfurization wastewater is carried out pretreatment, such as sofening treatment and concentration, this is conducive to desulfurization wastewater atomization in subsequent treatment, spray and evaporation.
5, in the system of power plant of the present utility model bypass fume treatment desulfurization wastewater, atomizing sprayer is arranged on the top of vaporizer, so that desulfurization wastewater is sprayed in vaporizer from top to bottom, is so provided with and is beneficial to desulfurization wastewater and evaporates completely in vaporizer.
6, in the system of power plant of the present utility model bypass fume treatment desulfurization wastewater, vaporizer adopts cylindrical evaporation device, and be horizontally disposed with or be vertically arranged, the size of vaporizer is according to CFD (ComputationalFluidDynamics, computational fluid dynamics software) arrange based on flow field simulation, the uniform property that can improve vaporizer flow field is so set, is conducive to desulfurization wastewater evaporation completely in vaporizer further.
7, in power-plant flue gas process process system of the present utility model, bypass process system is arranged in the branch of flue collector, it can independent operating, do not affect the circulation of flue gas in flue collector, and desulfurization wastewater can be made within a short period of time to evaporate completely in vaporizer, thus in power-plant flue gas processing procedure, realize the zero-emission of desulfurization wastewater.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail:
Fig. 1 is the structural representation of a kind of embodiment of the system of power plant of the present utility model bypass fume treatment desulfurization wastewater；
Fig. 2 is the structural representation that power-plant flue gas of the present utility model processes a kind of embodiment of system.
Drawing reference numeral illustrates:
Flue collector 11, spray water tank 12, water pump 13, air compressor machine 14, atomizing sprayer 15, air-introduced machine 16, vaporizer 17, inlet baffle 18, outlet damper 19；
Denitrification apparatus 20, dry electric precipitation device 30, desulfurizing tower 40.
Detailed description of the invention
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The following is the embodiment of the system of power plant of the present utility model bypass fume treatment desulfurization wastewater.
Embodiment one
Fig. 1 discloses the embodiment one of the system of power plant of the present utility model bypass fume treatment desulfurization wastewater, including: flue collector 11；For storing the spray water tank 12 of desulfurization wastewater；For extracting the water pump 13 of desulfurization wastewater in described spray water tank；The air compressor machine 14 of desulfurization wastewater atomizing spray is made for compressing air；Atomizing sprayer 15 for the desulfurization wastewater after spray atomizing；For drawing the air-introduced machine 16 of flue gas from flue collector；For evaporating the vaporizer 17 of the desulfurization wastewater after atomization；For controlling the inlet baffle 18 of flue gas circulation；For controlling the outlet damper 19 of flue gas circulation.
The outlet of spray water tank 12 connects with the water inlet of water pump 13；The outlet of water pump 13 connects with atomizing sprayer 15；The outlet of air compressor machine 14 connects with atomizing sprayer 15；Atomizing sprayer 15 is arranged in vaporizer 17.
The first end (i.e. the left part of the flue collector 11 shown in Fig. 1) of flue collector 11 connects with the entrance of air-introduced machine 16；Inlet baffle 18 is arranged between the entrance of flue collector 11 and air-introduced machine 16；The outlet of air-introduced machine 16 connects with the entrance of vaporizer 17；The outlet of vaporizer 17 connects with the second end (i.e. the right part of the flue collector 11 shown in Fig. 1) of flue collector 11；Outlet damper 19 is arranged between the outlet of vaporizer 17 and flue collector 11；The first end that the circulating direction of flue gas is from flue collector 11 flows to its second end, namely flows to its right part along the direction of arrow shown in Fig. 1 from the left part of flue collector 11.
Desulfurization wastewater first is carried out being atomized and being sprayed in vaporizer by the system of power plant of the present utility model bypass fume treatment desulfurization wastewater, again the flue gas in flue collector is incorporated in vaporizer, flue gas has certain waste heat, under the heating of fume afterheat and under the effect of vaporizer, desulfurization wastewater droplet in vaporizer evaporates and obtains solid crystal thing completely, and solid crystal thing is along with flue gas discharges vaporizer and turns again in flue collector.
The system of power plant of the present utility model bypass fume treatment desulfurization wastewater achieves the zero-emission of desulfurization wastewater in power-plant flue gas processing procedure, it is to avoid desulfurization wastewater causes secondary pollution；And, native system make use of the waste heat of flue gas that desulfurization wastewater is heated, and by the Multi-class propagation of waste recycling and energy, thus being effectively saved energy, reduces processing cost；It addition, after desulfurization wastewater is heated by flue gas in vaporizer, its temperature reduces, humidity improves, and in flue gas, the resistance of dust reduces therewith, and this is conducive to, in subsequent process, flue gas is carried out dust removal process.
Embodiment two
Relative to embodiment one, theing improvement is that of embodiment two, the system of the power plant's bypass fume treatment desulfurization wastewater disclosed in embodiment two also includes: for desulfurization wastewater carries out the desulfurization wastewater pretreatment unit of pretreatment, desulfurization wastewater pretreatment unit connects with spray water tank.
After desulfurization wastewater being carried out pretreatment (such as sofening treatment and concentration etc.) by desulfurization wastewater pretreatment unit, it is simple to the atomization of desulfurization wastewater, spray and evaporation in subsequent process.
Embodiment three
Compare and embodiment one, theing improvement is that of embodiment three, in the system of the power plant's bypass fume treatment desulfurization wastewater disclosed in embodiment three, atomizing sprayer is arranged on the top of vaporizer, and the desulfurization wastewater droplet after atomization sprays from top to bottom in vaporizer；Atomizing sprayer adopts high-pressure gas-liquid two-phase flow pump nozzle；And vaporizer is cylindrical evaporation device, cylindrical evaporation device is horizontally disposed with, and the size of vaporizer is arranged according to based on CFD flow field simulation.
In the present embodiment, the uniform property of vaporizer flow field obtains and is effectively improved, thus being conducive to desulfurization wastewater to evaporate completely in vaporizer further.
Certainly in other embodiments, atomizing sprayer position in vaporizer can also be adjusted as required, for instance is arranged on the sidewall of vaporizer；Atomizing sprayer can also adopt the shower nozzle of other forms；Vaporizer can also be set to other shapes, such as square or cuboid etc.；Cylindrical vaporizer can also be vertically arranged.
The following is power-plant flue gas of the present utility model and process the embodiment of system.
Embodiment one
Fig. 2 discloses power-plant flue gas of the present utility model and processes the embodiment one of system, including: flue collector 11；For storing the spray water tank of desulfurization wastewater；For extracting the water pump of desulfurization wastewater in spray water tank；The air compressor machine of desulfurization wastewater atomizing spray is made for compressing air；Atomizing sprayer 15 for the desulfurization wastewater after spray atomizing；For drawing the air-introduced machine 16 of flue gas from flue collector；For evaporating the vaporizer 17 of the desulfurization wastewater after atomization；For controlling the inlet baffle 18 of flue gas circulation；For controlling the outlet damper 19 of flue gas circulation；For flue gas being carried out the denitrification apparatus 20 of denitration process；For removing the dry electric precipitation device 30 of solid particle in flue gas；For the flue gas after dedusting being carried out the desulfurizing tower 40 of desulfurization process.
The outlet of spray water tank connects with the water inlet of water pump；The outlet of water pump connects with atomizing sprayer 15；The outlet of air compressor machine connects with atomizing sprayer 15；Atomizing sprayer 15 is arranged in vaporizer 17.
The outlet of denitrification apparatus 20 connects with the first end (i.e. the left part of the flue collector 11 shown in Fig. 2) of flue collector 11；The first end of flue collector 11 connects with the entrance of air-introduced machine 16；Inlet baffle 18 is arranged between the entrance of flue collector 11 and air-introduced machine 16；The outlet of air-introduced machine 16 connects with the entrance of vaporizer 17；The outlet of vaporizer 17 connects with the second end (i.e. the right part of the flue collector 11 shown in Fig. 2) of flue collector 11；Outlet damper 19 is arranged between the outlet of vaporizer 17 and flue collector 11；The second end of flue collector 11 connects with the entrance of dry electric precipitation device 30；The outlet of dry electric precipitation device 30 connects with desulfurizing tower 40；The first end that the circulating direction of flue gas is from flue collector 11 flows to its second end, namely flows to its right part along the direction of arrow shown in Fig. 2 from the left part of flue collector 11.
Power-plant flue gas of the present utility model processes system and achieves the zero-emission of desulfurization wastewater in power-plant flue gas processing procedure, it is to avoid desulfurization wastewater causes secondary pollution；And, native system make use of the waste heat of flue gas that desulfurization wastewater is heated, and by the Multi-class propagation of waste recycling and energy, thus being effectively saved energy, reduces processing cost；It addition, after desulfurization wastewater is heated by the flue gas in native system in vaporizer, its temperature reduces, humidity improves, and in flue gas, the resistance of dust reduces therewith, and this is conducive to dry electric precipitation device that flue gas is carried out dust removal process.
Embodiment two
Comparing and embodiment one, theing improvement is that of embodiment two, the power-plant flue gas disclosed in embodiment two processes system and also includes: for desulfurization wastewater carries out the desulfurization wastewater pretreatment unit of pretreatment, desulfurization wastewater pretreatment unit connects with spray water tank.After desulfurization wastewater being carried out pretreatment (such as sofening treatment and concentration etc.) by desulfurization wastewater pretreatment unit, it is simple to the atomization of desulfurization wastewater, spray and evaporation in subsequent process.
Embodiment three
Comparing and embodiment one, theing improvement is that of embodiment three, the atomizing sprayer in power-plant flue gas process system disclosed in embodiment three is arranged on the top of vaporizer, and the desulfurization wastewater droplet after atomization sprays from top to bottom in vaporizer；Atomizing sprayer adopts high-pressure gas-liquid two-phase flow pump nozzle；Vaporizer is cylindrical evaporation device, and cylindrical evaporation device is horizontally disposed with；The size of vaporizer is arranged according to based on CFD flow field simulation.
In the present embodiment, the uniform property of vaporizer flow field obtains and is effectively improved, and this is conducive to desulfurization wastewater evaporation completely in vaporizer further.
Certainly in other embodiments, the position in vaporizer of atomizing sprayer can also be adjusted as required, for instance is arranged on the sidewall of vaporizer；Atomizing sprayer can also adopt other kinds of shower nozzle；Vaporizer can also be set to other shapes, such as square or cuboid etc.；Cylindrical vaporizer can also be vertically arranged.
The following is the embodiment of the bypass processing method that power-plant flue gas of the present utility model processes.
Embodiment one
This utility model additionally provides the bypass processing method that a kind of power-plant flue gas processes, including step:
S11: desulfurization wastewater is carried out atomization process；
S12: the desulfurization wastewater after atomization is sprayed in vaporizer；
S13: be passed in vaporizer by the flue gas in flue collector, spray desulfurization wastewater in vaporizer evaporates completely under the heating of flue gas and obtains solid crystal thing；
S14: solid crystal thing enters into flue collector from vaporizer along with flue gas.
In step s 13, for ensureing that desulfurization wastewater can evaporate completely in vaporizer, desulfurization wastewater can be atomized for less drop as much as possible, the shape of vaporizer is set further according to hydrodynamics, desulfurization wastewater droplet after making the flue gas with relatively Gao Yuwen and being atomized can be sufficiently mixed in vaporizer, thus ensureing that desulfurization wastewater evaporates completely.
The bypass processing method that power-plant flue gas of the present utility model processes achieves the zero-emission of desulfurization wastewater in power-plant flue gas processing procedure, it is to avoid desulfurization wastewater causes secondary pollution；And, this method make use of the waste heat of flue gas that desulfurization wastewater is heated, and by the Multi-class propagation of waste recycling and energy, thus being effectively saved energy, reduces processing cost；It addition, after desulfurization wastewater is heated by flue gas in vaporizer, its temperature reduces, humidity improves, and in flue gas, the resistance of dust reduces therewith, and this is conducive to, in subsequent process, flue gas is carried out dust removal process.
Embodiment two
Compared to embodiment one, theing improvement is that of embodiment two, the bypass processing method that the power-plant flue gas disclosed in embodiment two processes also included step S10 before step S11: desulfurization wastewater is carried out pretreatment.
Concrete, in step slo desulfurization wastewater is carried out pretreatment and refers to desulfurization wastewater is carried out sofening treatment and concentration.Desulfurization wastewater is after sofening treatment and concentration, it is simple to the atomization of desulfurization wastewater, spray and evaporation in subsequent process.
Certainly, in other embodiments, it is possible to only desulfurization wastewater is carried out sofening treatment or concentration.
The following is the embodiment of power-plant flue gas processing method of the present utility model.
Embodiment one
This utility model additionally provides a kind of power-plant flue gas processing method, including step:
S21: flue gas is carried out denitration process, the flue gas after denitration enters in vaporizer through flue collector；
S22: desulfurization wastewater is carried out atomization process；
S23: the desulfurization wastewater after atomization is sprayed in vaporizer；
S24: spray desulfurization wastewater in vaporizer evaporates completely under the heating of flue gas and obtains solid crystal thing；
S25: solid crystal thing enters into flue collector from described vaporizer along with described flue gas；
S26: the flue gas comprising solid crystal thing is carried out dust removal process；
S27: the flue gas after dedusting is incorporated in desulfurizing tower.
In step s 24, for ensureing that desulfurization wastewater can evaporate completely, desulfurization wastewater can be atomized for less drop as much as possible, the shape of vaporizer is set further according to hydrodynamics, desulfurization wastewater droplet after making the flue gas with relatively Gao Yuwen and being atomized is sufficiently mixed in vaporizer, thus ensureing that desulfurization wastewater evaporates completely.
It should be noted that step S21 and step S22 can carry out successively carrying out simultaneously.
Power-plant flue gas processing method of the present utility model achieves the zero-emission of desulfurization wastewater in power-plant flue gas processing procedure, it is to avoid desulfurization wastewater causes secondary pollution；And, this method make use of the waste heat of flue gas that desulfurization wastewater is heated, and by the Multi-class propagation of waste recycling and energy, thus being effectively saved energy, reduces processing cost；It addition, after desulfurization wastewater is heated by the flue gas in this method in vaporizer, its temperature reduces, humidity improves, and in flue gas, the resistance of dust reduces therewith, and this is conducive to flue gas is carried out dust removal process.
Embodiment two
Compared to embodiment one, theing improvement is that of embodiment two, the power-plant flue gas processing method disclosed in embodiment two also included step S20 before step S22: desulfurization wastewater is carried out pretreatment.
Concrete, desulfurization wastewater is carried out pretreatment by step S20 and refers to desulfurization wastewater is carried out sofening treatment and concentration.
Desulfurization wastewater is after sofening treatment and concentration, it is simple to the atomization of desulfurization wastewater, spray and evaporation in subsequent process.Certainly, in other embodiments, it is possible to only desulfurization wastewater is carried out sofening treatment or concentration.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, under the premise without departing from this utility model principle; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. the system of power plant's bypass fume treatment desulfurization wastewater, it is characterised in that including:
Flue collector；
For storing the spray water tank of desulfurization wastewater；
For extracting the water pump of desulfurization wastewater in described spray water tank；
The air compressor machine of desulfurization wastewater atomizing spray is made for compressing air；
Atomizing sprayer for the desulfurization wastewater after spray atomizing；
For drawing the air-introduced machine of flue gas from described flue collector；
For evaporating the vaporizer of the desulfurization wastewater after atomization；
For controlling the inlet baffle of flue gas circulation；
For controlling the outlet damper of flue gas circulation；
The outlet of described spray water tank connects with the water inlet of described water pump；The outlet of described water pump connects with described atomizing sprayer；The outlet of described air compressor machine connects with described atomizing sprayer；Described atomizing sprayer is arranged in described vaporizer；
The first end of described flue collector connects with the entrance of described air-introduced machine；Described inlet baffle is arranged between the entrance of described flue collector and described air-introduced machine；The outlet of described air-introduced machine connects with the entrance of described vaporizer；The outlet of described vaporizer connects with the second end of described flue collector；Described outlet damper is arranged between the outlet of described vaporizer and described flue collector；The circulating direction of described flue gas is that the first end from flue collector flows to its second end.
2. the system of power plant as claimed in claim 1 bypass fume treatment desulfurization wastewater, it is characterised in that also include:
For desulfurization wastewater carries out the desulfurization wastewater pretreatment unit of pretreatment, described desulfurization wastewater pretreatment unit connects with described spray water tank.
3. the system of the power plant's bypass fume treatment desulfurization wastewater as described in any one of claim 1 or 2, it is characterised in that:
Described atomizing sprayer is arranged on the top of described vaporizer；
Or；
Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is horizontally disposed with；
Or；
Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is vertically arranged.
4. a power-plant flue gas processes system, it is characterised in that including:
Flue collector；
For storing the spray water tank of desulfurization wastewater；
For extracting the water pump of desulfurization wastewater in described spray water tank；
The air compressor machine of desulfurization wastewater atomizing spray is made for compressing air；
Atomizing sprayer for the desulfurization wastewater after spray atomizing；
For drawing the air-introduced machine of flue gas from described flue collector；
For evaporating the vaporizer of the desulfurization wastewater after atomization；
For controlling the inlet baffle of flue gas circulation；
For controlling the outlet damper of flue gas circulation；
For flue gas being carried out the denitrification apparatus of denitration process；
For removing the dry electric precipitation device of solid particle in flue gas；
For the flue gas after dedusting being carried out the desulfurizing tower of desulfurization process；
The outlet of described spray water tank connects with the water inlet of described water pump；The outlet of described water pump connects with described atomizing sprayer；The outlet of described air compressor machine connects with described atomizing sprayer；Described atomizing sprayer is arranged in described vaporizer；
The outlet of described denitrification apparatus connects with the first end of described flue collector；The first end of described flue collector connects with the entrance of described air-introduced machine；Described inlet baffle is arranged between the entrance of described flue collector and described air-introduced machine；The outlet of described air-introduced machine connects with the entrance of described vaporizer；The outlet of described vaporizer connects with the second end of described flue collector；Described outlet damper is arranged between the outlet of described vaporizer and described flue collector；The second end of described flue collector connects with the entrance of described dry electric precipitation device；The outlet of described dry electric precipitation device connects with described desulfurizing tower；The first end that the circulating direction of described flue gas is from described flue collector flows to its second end.
5. power-plant flue gas as claimed in claim 4 processes system, it is characterised in that also include:
For desulfurization wastewater carries out the desulfurization wastewater pretreatment unit of pretreatment, described desulfurization wastewater pretreatment unit connects with described spray water tank.
6. the power-plant flue gas as described in any one of claim 4 or 5 processes system, it is characterised in that:
Described atomizing sprayer is arranged on the top of described vaporizer；
Or；
Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is horizontally disposed with；
Or；
Described vaporizer is cylindrical evaporation device, and described cylindrical evaporation device is vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620172385.4U CN205398152U (en) | 2016-03-07 | 2016-03-07 | System and flue gas processing system of desulfurization waste water are handled to power plant's bypass flue gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879542A (en) * | 2016-03-07 | 2016-08-24 | 上海龙净环保科技工程有限公司 | Power plant desulfurization wastewater bypass treatment system and method and flue gas treatment system and method |
| CN106115829A (en) * | 2016-08-31 | 2016-11-16 | 厦门龙净环保技术有限公司 | Desulfurization wastewater spray evaporation processing means with bypath system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105879542A (en) * | 2016-03-07 | 2016-08-24 | 上海龙净环保科技工程有限公司 | Power plant desulfurization wastewater bypass treatment system and method and flue gas treatment system and method |
| CN106115829A (en) * | 2016-08-31 | 2016-11-16 | 厦门龙净环保技术有限公司 | Desulfurization wastewater spray evaporation processing means with bypath system |
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