CN211799011U - Novel coal fired power plant desulfurization effluent disposal system - Google Patents
Novel coal fired power plant desulfurization effluent disposal system Download PDFInfo
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- CN211799011U CN211799011U CN202020173820.1U CN202020173820U CN211799011U CN 211799011 U CN211799011 U CN 211799011U CN 202020173820 U CN202020173820 U CN 202020173820U CN 211799011 U CN211799011 U CN 211799011U
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 111
- 230000023556 desulfurization Effects 0.000 title claims abstract description 111
- 239000003245 coal Substances 0.000 title claims abstract description 55
- 238000000889 atomisation Methods 0.000 claims abstract description 45
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 238000004065 wastewater treatment Methods 0.000 claims description 27
- 239000000428 dust Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 26
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 17
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a novel coal fired power plant desulfurization effluent disposal system, including coal-fired module, desulfurization processing module, clearance module, heat transfer device, sediment module and smoke exhaust module, desulfurization processing module passes through the pipe connection with coal-fired module, and heat transfer device sets up between coal-fired module and atomizing device, and the module of discharging fume passes through pipe connection wet flue gas desulfurization device. The coal-fired module produces the flue gas that contains the sulphide after burning coal and discharges after desulfurization treatment module handles, and the clearance module uses high temperature flue gas to erode desulfurization waste water's atomizing device. The device can be used for treating desulfurization wastewater, and the high-temperature flue gas using the front end of the air preheater scours the atomization device of the desulfurization wastewater to eliminate/prevent slagging scorification.
Description
Technical Field
The utility model relates to a coal fired power plant desulfurization waste water treatment technical field, especially a novel coal fired power plant desulfurization waste water treatment system.
Background
At present, coal-fired thermal power generation still occupies an important proportion in China, but most of coal contains sulfur components, so that flue gas containing sulfur oxides is generated in the thermal power generation process, and the environmental hazard is serious. At present, most of thermal power plants mainly remove sulfur dioxide in flue gas through a wet desulphurization process. In the wet desulfurization process, a large amount of limestone is added into an absorption tower to absorb sulfur dioxide, desulfurization wastewater can be generated, and the desulfurization wastewater contains a large amount of suspended matters, easily-scaled ionic substances and heavy metals. If the desulfurization waste water is directly discharged without being treated, serious pollution is caused to the surrounding water environment, and zero emission is required for the desulfurization waste water generated by wet desulfurization of a thermal power plant in China. Therefore, the production or improvement of related desulfurization wastewater treatment devices is of great importance for protecting the environment and improving the economic benefit of a power plant, and the existing desulfurization wastewater treatment technology can generate condensation and slagging phenomena on the surface of an atomization device due to temperature difference (high temperature of a flue gas pipeline and low temperature of desulfurization wastewater) after the desulfurization wastewater is atomized.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The utility model is provided in view of the problems existing in the desulfurization waste water treatment system of the coal-fired power plant and/or the prior art.
Therefore, the utility model aims to solve the problem of how to treat the desulfurization wastewater and clear away the condensation and slagging generated on the surface of the atomization device.
In order to solve the technical problem, the utility model provides a following technical scheme: a novel coal-fired power plant desulfurization wastewater treatment system comprises a coal-fired module, a desulfurization treatment module and a desulfurization treatment device, wherein the coal-fired module is connected with the desulfurization treatment module through a first pipeline; the desulfurization treatment module comprises an electrostatic dust removal device connected with the coal-fired module through the first pipeline, a wet desulfurization device connected with the electrostatic dust removal device through the first pipeline, and an atomization device arranged in the first pipeline, wherein the wet desulfurization device is connected with a second pipeline, the other end of the second pipeline extends into the first pipeline and is connected with the atomization device, a water pump is arranged on the second pipeline, and the atomization device is arranged between the coal-fired module and the wet desulfurization device; and the cleaning module comprises a third pipeline, an induced draft fan and a pipeline control switch, one end of the third pipeline is connected to the first pipeline, the other end of the third pipeline penetrates through the first pipeline and is arranged above the atomizing device, and the induced draft fan and the pipeline control switch are arranged on the third pipeline.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the electrostatic dust collection device is arranged between the wet desulphurization device and the coal burning module.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the opening of the atomization device faces the wet desulphurization device.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the opening of the third pipeline arranged above the atomizing device faces the atomizing device.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: still include heat transfer device, set up in coal-fired module with between the atomizing device, heat transfer device includes economizer and air heater, the one end of third pipeline set up in between air heater and the coal-fired module, the other end set up in air heater with between the electrostatic precipitator device.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the economizer is arranged between the air preheater and the coal-fired module.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: still include the sediment module, through the third pipe connection wet flue gas desulfurization device, the sediment module is including precipitating the pond, the water pump set up in precipitate the pond with between the atomizing device.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the precipitation module further comprises a precipitation collection pool, and the precipitation collection pool is connected with the precipitation pool.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the wet desulphurization device further comprises a smoke exhaust module which is connected with the wet desulphurization device through the first pipeline.
As a preferred scheme of novel coal fired power plant desulfurization effluent disposal system, wherein: the induced draft fan is made of stainless steel materials or alloy materials.
The beneficial effects of the utility model are that can handle desulfurization waste water to the high temperature flue gas that has used the air heater front end erodes desulfurization waste water's atomizing device, eliminates/prevents to form the slagging scorification.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a block diagram of a desulfurization wastewater treatment system of a novel coal fired power plant in example 1.
FIG. 2 is a partial sectional view of a desulfurization wastewater treatment system of a novel coal fired power plant of example 2.
FIG. 3 is a general block diagram of a desulfurization wastewater treatment system of a novel coal-fired power plant in example 3.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, in order to provide a first embodiment of the present invention, the present invention provides a novel desulfurization wastewater treatment system for coal-fired power plants, which comprises a coal-fired module 100, a desulfurization treatment module 200 and a cleaning module 300. Desulfurization treatment module 200 is connected to coal module 100 via a pipeline. The flue gas containing sulfide generated after coal is combusted in the coal-fired module 100 is discharged after being treated by the desulfurization treatment module 200, and the cleaning module 300 uses the high-temperature flue gas to wash the atomization device 203 of the desulfurization wastewater.
Specifically, the desulfurization treatment module 200 includes an electrostatic dust removal device 201 and a wet desulfurization device 202 connected with the coal burning module 100 through a first pipe M, an atomization device 203 extending into the first pipe M through a second pipe N, and a water pump 204 disposed on the second pipe N, the atomization device 203 is disposed between the coal burning module 100 and the wet desulfurization device 202, the opening of the atomization device 203 faces the wet desulfurization device 202, the electrostatic dust removal device 201 is disposed between the wet desulfurization device 202 and the coal burning module 100, and the second pipe N is connected with the wet desulfurization device 202. The cleaning module 300 comprises a third pipeline 301, an induced draft fan 302 and a pipeline control switch 303, one end of the third pipeline 301 is connected to the first pipeline M between the coal burning module 100 and the atomization device 203, the other end of the third pipeline passes through the first pipeline M and is arranged above the atomization device 203, the pipeline opening of the third pipeline 301 arranged above the atomization device 203 faces the atomization device 203, and the induced draft fan 302 and the pipeline control switch 303 are arranged on the third pipeline 301. The induced draft fan 302 is made of stainless steel materials or alloy materials.
It should be noted that the wet desulphurization unit 202 should be connected with a smoke exhaust duct so that the smoke can be discharged, and the smoke exhaust duct is not shown in fig. 1, but the arrangement of the smoke exhaust duct should be understood by those skilled in the art.
In summary, the flue gas containing sulfide generated by burning coal in the coal burning module 100 is divided into two paths, the first path of flue gas is sent to the electrostatic dust removal device 201 through the first pipeline M for the first particle capture treatment, the captured flue gas is sent to the wet desulphurization device 202 for desulphurization treatment, the gas generated after treatment is discharged through the smoke exhaust pipeline, the generated desulphurization wastewater is sent to the atomization device 203 in the first pipeline M through the second pipeline N under the action of the water pump 204 for atomization, and the atomized water drops and the first path of flue gas enter the electrostatic dust removal device 201 together for the second particle capture treatment. The second path of flue gas leads to the upper part of the atomizing device 203 through the third pipeline 301, and after the pipeline control switch 303 on the third pipeline 301 is opened, the induced draft fan 302 is started, so that the slag formed by condensation on the atomizing device 203 can be removed by using the high-temperature flue gas.
Example 2
The second embodiment of the present invention, which is different from the first embodiment, is: also comprises a heat exchange device 400 and a smoke exhaust module 600. In the above embodiment, the novel desulfurization wastewater treatment system for coal-fired power plants comprises a coal-fired module 100, a desulfurization treatment module 200 and a cleaning module 300. Desulfurization treatment module 200 is connected to coal module 100 via a pipeline. The flue gas containing sulfide generated after coal is combusted in the coal-fired module 100 is discharged after being treated by the desulfurization treatment module 200, and the cleaning module 300 uses the high-temperature flue gas to wash the atomization device 203 of the desulfurization wastewater.
Specifically, the desulfurization treatment module 200 includes an electrostatic dust removal device 201 and a wet desulfurization device 202 connected with the coal burning module 100 through a first pipe M, an atomization device 203 extending into the first pipe M through a second pipe N, and a water pump 204 disposed on the second pipe N, the atomization device 203 is disposed between the coal burning module 100 and the wet desulfurization device 202, the opening of the atomization device 203 faces the wet desulfurization device 202, the electrostatic dust removal device 201 is disposed between the wet desulfurization device 202 and the coal burning module 100, and the second pipe N is connected with the wet desulfurization device 202. The cleaning module 300 comprises a third pipeline 301, an induced draft fan 302 and a pipeline control switch 303, one end of the third pipeline 301 is connected to the first pipeline M between the coal burning module 100 and the atomization device 203, the other end of the third pipeline passes through the first pipeline M and is arranged above the atomization device 203, the pipeline opening of the third pipeline 301 arranged above the atomization device 203 faces the atomization device 203, and the induced draft fan 302 and the pipeline control switch 303 are arranged on the third pipeline 301. The induced draft fan 302 is made of stainless steel materials or alloy materials.
Further, still include heat transfer device 400 and smoke exhaust module 600, heat transfer device 400 sets up between coal-fired module 100 and atomizing device 203, and heat transfer device 400 includes economizer 401 and air heater 402, and the one end of third pipeline 301 sets up between air heater 402 and coal-fired module 100, and economizer 401 sets up between air heater 402 and coal-fired module 100, and smoke exhaust module 600 passes through first pipeline M and connects wet flue gas desulfurization device 202.
In summary, the flue gas containing sulfides generated by burning coal in the coal-fired module 100 is divided into two paths, the first path of flue gas is subjected to heat exchange through the coal economizer 401 and the air preheater 402 and then sent to the electrostatic dust collector 201 to be subjected to primary particle capture treatment, the captured flue gas is sent to the wet desulphurization device 202 to be subjected to desulphurization treatment, the gas generated after treatment is discharged through the smoke exhaust module 600, the generated desulphurization wastewater is sent to the atomization device 203 in the first pipeline M to be atomized through the second pipeline N under the action of the water pump 204, and the atomized water drops and the first path of flue gas together enter the electrostatic dust collector 201 to be subjected to secondary particle capture treatment. The second path of flue gas leads to the upper part of the atomizing device 203 through the third pipeline 301, and after the pipeline control switch 303 on the third pipeline 301 is opened, the induced draft fan 302 is started, so that the slag formed by condensation on the atomizing device 203 can be removed by using the high-temperature flue gas.
Example 3
Referring to fig. 2 and 3, a third embodiment of the present invention is different from the first two embodiments: a precipitation module 500 is also included. In the above embodiment, the novel desulfurization wastewater treatment system for coal-fired power plants comprises a coal-fired module 100, a desulfurization treatment module 200, a cleaning module 300, a heat exchange device 400 and a smoke exhaust module 600. The desulfurization treatment module 200 is connected with the coal burning module 100 through a pipeline, the heat exchange device 400 is arranged between the coal burning module 100 and the atomization device 203, and the smoke exhaust module 600 is connected with the wet desulfurization device 202 through a first pipeline M. The flue gas containing sulfide generated after coal is combusted in the coal-fired module 100 is discharged after being treated by the desulfurization treatment module 200, and the cleaning module 300 uses the high-temperature flue gas to wash the atomization device 203 of the desulfurization wastewater.
Specifically, the desulfurization treatment module 200 includes an electrostatic dust removal device 201 and a wet desulfurization device 202 connected with the coal burning module 100 through a first pipe M, an atomization device 203 extending into the first pipe M through a second pipe N, and a water pump 204 disposed on the second pipe N, the atomization device 203 is disposed between the coal burning module 100 and the wet desulfurization device 202, the opening of the atomization device 203 faces the wet desulfurization device 202, the electrostatic dust removal device 201 is disposed between the wet desulfurization device 202 and the coal burning module 100, and the second pipe N is connected with the wet desulfurization device 202. The cleaning module 300 comprises a third pipeline 301, an induced draft fan 302 and a pipeline control switch 303, one end of the third pipeline 301 is connected to the first pipeline M between the coal burning module 100 and the atomization device 203, the other end of the third pipeline passes through the first pipeline M and is arranged above the atomization device 203, the pipeline opening of the third pipeline 301 arranged above the atomization device 203 faces the atomization device 203, and the induced draft fan 302 and the pipeline control switch 303 are arranged on the third pipeline 301. The induced draft fan 302 is made of stainless steel materials or alloy materials.
Further, still include heat transfer device 400 and smoke exhaust module 600, heat transfer device 400 sets up between coal-fired module 100 and atomizing device 203, and heat transfer device 400 includes economizer 401 and air heater 402, and the one end of third pipeline 301 sets up between air heater 402 and coal-fired module 100, and economizer 401 sets up between air heater 402 and coal-fired module 100, and smoke exhaust module 600 passes through first pipeline M and connects wet flue gas desulfurization device 202.
Preferably, the precipitation module 500 comprises a precipitation water tank 501 and a precipitation collection tank 502, the water pump 204 is arranged between the precipitation water tank 501 and the atomization device 203, and the precipitation collection tank 502 is connected with the precipitation water tank 501.
The desulfurization wastewater treatment process comprises the following steps: the desulfurization waste water generated after the flue gas desulfurization is performed by the wet desulfurization device 202 is discharged into a precipitation pool 501, the lower-layer precipitate after the precipitation enters a precipitation collection pool 502 to be dried and then treated, the upper-layer desulfurization waste water is sent to the atomization device 203 through the water pump 204 to be atomized, then the moisture is evaporated in the flue gas with residual heat, and the particle pollutants in the flue gas are captured and treated through the electrostatic dust removal device 201. Wherein the atomization is to enhance the contact of the wastewater with the flue gas, enabling the wastewater to evaporate rapidly, thereby capturing particulate contaminants therein via the electrostatic precipitator 201. But because intraductal waste water and flue gas have great difference in temperature, atomizing waste water vapour can be because of condensing the slagging scorification with the flue gas difference in temperature is too big, thereby block up atomizing device 203, the slagging scorification is directly blown to the high temperature flue gas that clearance module 300 accessible used third pipeline 301 to carry and is got rid of, make and to handle atomizing device slagging scorification under the operating mode that does not stop the stove, reduce desulfurization waste water treatment's maintenance cost, and pipeline control switch 303 and the draught fan 302 of this module installation on third pipeline 301 can open according to the slagging scorification situation and stop, reduce the heat loss as far as possible. The desulfurization wastewater treatment system can be simply modified on the existing desulfurization wastewater treatment system, the defects of the existing desulfurization wastewater treatment mode are improved, the desulfurization wastewater is more effectively treated, the maintenance cost of the desulfurization wastewater treatment system is reduced, and the economic benefit of a power plant is improved.
In summary, the flue gas containing sulfides generated by burning coal in the coal-fired module 100 is divided into two paths, the first path of flue gas is sent to the electrostatic dust collector 201 for the first particle capture treatment after being subjected to heat exchange through the coal economizer 401 and the air preheater 402 through the first pipeline M, the captured flue gas is sent to the wet desulphurization device 202 for desulphurization treatment, the gas generated after treatment is discharged through the smoke exhaust module 600, the generated desulphurization wastewater enters the precipitation tank 501 for precipitation, the lower-layer precipitate enters the precipitation collection tank 502 for drying and then is treated, the upper-layer desulphurization wastewater is sent to the atomization device 203 in the first pipeline M through the second pipeline N under the action of the water pump 204 for atomization, and the atomized water drops and the first path of flue gas enter the electrostatic dust collector 201 together for the second particle capture treatment. The second path of flue gas leads to the upper part of the atomizing device 203 through the third pipeline 301, and after the pipeline control switch 303 on the third pipeline 301 is opened, the induced draft fan 302 is started, so that the slag formed by condensation on the atomizing device 203 can be removed by using the high-temperature flue gas.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a novel coal fired power plant desulfurization effluent disposal system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the coal burning module (100) is connected with the desulfurization treatment module (200) through a first pipeline (M);
the desulfurization treatment module (200) comprises an electrostatic dust removal device (201) connected with the coal-fired module (100) through the first pipeline (M), a wet desulfurization device (202) connected with the electrostatic dust removal device (201) through the first pipeline (M), and an atomization device (203) arranged in the first pipeline (M), wherein the wet desulfurization device (202) is connected with a second pipeline (N), the other end of the second pipeline (N) extends into the first pipeline (M) and is connected with the atomization device (203), a water pump (204) is arranged on the second pipeline (N), and the atomization device (203) is arranged between the coal-fired module (100) and the wet desulfurization device (202); and the number of the first and second groups,
cleaning module (300), including third pipeline (301), draught fan (302) and pipeline control switch (303), the one end of third pipeline (301) is connected on first pipeline (M), and the other end passes first pipeline (M) and set up in the top of atomizing device (203), draught fan (302) and pipeline control switch (303) set up in on third pipeline (301).
2. The novel coal fired power plant desulfurization wastewater treatment system of claim 1, characterized in that: the electrostatic dust collection device (201) is arranged between the wet desulphurization device (202) and the coal burning module (100).
3. The novel coal fired power plant desulfurization wastewater treatment system of claim 2, characterized in that: the atomization device (203) is open to the wet desulfurization device (202).
4. The novel coal-fired power plant desulfurization wastewater treatment system of any one of claims 1 to 3, characterized in that: the duct mouth of a third duct (301) arranged above the atomizing device (203) faces the atomizing device (203).
5. The novel coal fired power plant desulfurization wastewater treatment system of claim 4, characterized in that: the device is characterized by further comprising a heat exchange device (400) arranged between the coal-fired module (100) and the atomization device (203), wherein the heat exchange device (400) comprises an economizer (401) and an air preheater (402), one end of the third pipeline (301) is arranged between the air preheater (402) and the coal-fired module (100), and the other end of the third pipeline is arranged between the air preheater (402) and the electrostatic dust removal device (201).
6. The novel coal fired power plant desulfurization wastewater treatment system of claim 5, characterized in that: the economizer (401) is disposed between the air preheater (402) and the coal fired module (100).
7. The novel coal fired power plant desulfurization wastewater treatment system of claim 6, characterized in that: still include and deposit module (500), through third pipeline (301) are connected wet flue gas desulfurization device (202), deposit module (500) including deposit pond (501), water pump (204) set up in deposit pond (501) with between atomizing device (203).
8. The novel coal fired power plant desulfurization wastewater treatment system of claim 7, characterized in that: the sedimentation module (500) further comprises a sedimentation collection tank (502), and the sedimentation collection tank (502) is connected with the sedimentation water tank (501).
9. The novel coal-fired power plant desulfurization wastewater treatment system of any one of claims 5 to 8, characterized in that: also comprises a smoke exhaust module (600) which is connected with the wet desulphurization device (202) through the first pipeline (M).
10. The novel coal fired power plant desulfurization wastewater treatment system of claim 9, characterized in that: the induced draft fan (302) is made of stainless steel materials or alloy materials.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020173820.1U CN211799011U (en) | 2020-02-14 | 2020-02-14 | Novel coal fired power plant desulfurization effluent disposal system |
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| CN202020173820.1U CN211799011U (en) | 2020-02-14 | 2020-02-14 | Novel coal fired power plant desulfurization effluent disposal system |
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