CN210251728U - Power plant's waste gas SOx/NOx control equipment - Google Patents
Power plant's waste gas SOx/NOx control equipment Download PDFInfo
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- CN210251728U CN210251728U CN201920946269.7U CN201920946269U CN210251728U CN 210251728 U CN210251728 U CN 210251728U CN 201920946269 U CN201920946269 U CN 201920946269U CN 210251728 U CN210251728 U CN 210251728U
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Abstract
The utility model belongs to the technical field of waste gas treatment, in particular to a power plant waste gas desulfurization and denitrification device, which comprises a first outer box body, wherein impurity filter screens are fixedly connected to the inner walls of the left side and the right side of the inner cavity of the first outer box body in an equidistant and horizontal mode, the center of the top of the first outer box body vertically penetrates through and is provided with a waste gas inlet, the center of the bottom of the first outer box body vertically penetrates through and is sleeved with an air draft fan through a pipeline, the bottom of the air draft fan vertically penetrates through and is nested with a waste gas guide pipe, the top of the right end of the waste gas guide pipe is horizontally penetrated and is sleeved with a second outer box body, the bottom of the second outer box body is; the utility model discloses can carry out SOx/NOx control with waste gas with the fastest speed and handle, produce unnecessary and have polluting's material after avoiding SOx/NOx control for whole SOx/NOx control flow is safe environmental protection more.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to waste gas desulfurization denitration device of power plant.
Background
The simultaneous flue gas desulfurization and denitration technology is mostly in research and industrial demonstration stages at present, but as the simultaneous flue gas desulfurization and denitration technology can simultaneously realize desulfurization and denitration in one set of system, particularly along with the continuous strictness of NOx control standard, the simultaneous flue gas desulfurization and denitration technology is increasingly emphasized by various countries, the simultaneous flue gas desulfurization and denitration technology mainly comprises three types, the first type is a combined technology of flue gas desulfurization and flue gas denitration, the second type is a combined technology of simultaneously removing SOX and NOx by using an adsorbent, the third type is a modification of the existing Flue Gas Desulfurization (FGD) system and increasing the denitration function, the concentration of SOX and NOx in boiler flue gas of a thermal power plant is not high, but the total amount is large, if two sets of devices are used for desulfurization and denitration respectively, the occupied area is large, the investment, management and operation costs are also high, and in recent countries of the world, particularly in developed industrial countries, research and development of the simultaneous desulfurization and denitration technology are carried out successively, and certain industrial application is carried out, according to statistics of American electric power research institutions, more than 60 new technologies for simultaneous desulfurization and denitrification exist at present, in the SOX/NOX combined removal technology, some technologies adopt a combination technology of flue gas desulfurization and flue gas denitrification, and some technologies utilize an adsorbent to simultaneously remove SOX and NOX, so that higher removal efficiency can be achieved.
The prior art has the following problems:
1. the existing desulfurization and denitrification operations of desulfurization and denitrification equipment all need a plurality of reaction liquids and reducing liquids to react, the reaction efficiency is low, and the completion degree is not high;
2. the waste liquid and the wastes produced when the desulfurization and denitrification equipment finishes desulfurization and denitrification nowadays need to be purified and filtered, and the environmental protection property is poor.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a power plant's waste gas SOx/NOx control equipment has efficient and safe environmental protection's characteristics.
In order to achieve the above object, the utility model provides a following technical scheme: a power plant waste gas desulfurization and denitrification device comprises a first outer box body, wherein impurity filter screens are horizontally and fixedly connected with the inner walls of the left side and the right side of an inner cavity of the first outer box body in an equidistant mode, a waste gas inlet is vertically penetrated and formed in the center of the top of the first outer box body, an air draft fan is vertically penetrated and sleeved with the center of the bottom of the first outer box body through a pipeline, a waste gas guide pipe is vertically penetrated and nested in the bottom of the air draft fan, a second outer box body is horizontally penetrated and sleeved at the top of the right end of the waste gas guide pipe, disinfectant is filled in the bottom of the second outer box body, a spray guide pipe is horizontally connected with the inner walls of the top of the second outer box body, a spray nozzle is penetrated and sleeved in the bottom of the spray guide pipe in an equidistant mode, two right-hand member central authorities of outer box horizontal through connection have the purification guiding tube, purify guiding tube bottom perpendicular through connection of pipeline perpendicular through connection have the aspiration pump, the case is deposited to the outside fixedly connected with ammonia in aspiration pump bottom, just the central authorities of aspiration pump bottom run through the nestification perpendicularly have the exhaust duct, just purify guiding tube right-hand member horizontal through connection have electron beam generator, electron beam generator rear end bottom is through running through fixedly connected with electrostatic precipitator, electrostatic precipitator top central authorities perpendicular through connection has the play gas cylinder, the equal perpendicular fixedly connected with bearing branch in outer box bottom four corners, bearing branch right-hand member fixed surface is connected with flush mounting plate of switch.
Preferably, the two sides of the outer box body are of an L-shaped structure, and holes are horizontally formed in the top of the left end and the bottom of the right end of the outer box body in a penetrating mode.
Preferably, the surface of the left end of the air draft fan is fixedly connected with a fan support, and the top of the right end of the fan support is fixedly connected to the left surface of the outer box body.
Preferably, the outer side of the right end of the spraying guide pipe is horizontally connected to the second outer box body in a penetrating mode, and the outer side of the bottom of the circulating water pipe is inserted into the disinfectant in a penetrating mode.
Preferably, the outer side of the air exhaust pipeline is vertically connected to the left end of the top of the ammonia storage box in a penetrating mode, and a hole is formed in the top of the front side of the ammonia storage box in a penetrating mode.
Preferably, the exhaust fan, the circulating water pump, the exhaust pump, the electron beam generator and the electrostatic dust collector are all electrically connected to the switch panel through electric wires, and the switch panel is respectively matched with the exhaust fan, the circulating water pump, the exhaust pump, the electron beam generator and the electrostatic dust collector in function.
Preferably, the outer sides of the air draft fan, the circulating water pump, the air suction pump, the electron beam generator and the electrostatic dust collector are respectively and electrically connected with an external power supply through power lines.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the purification guide pipe is connected to the electron beam generator, after the waste gas after impurity filtration through the impurity filter screen is fully purified by spraying disinfectant in the outer box body II, SOX and NOX in the waste gas still exist, at the moment, the waste gas of the ammonia gas injected into the ammonia gas storage box through the air suction pump directly enters the electron beam generator, high-energy electron beams in the electron beam generator directly irradiate the waste gas, the waste gas is irradiated by the high-energy electron beams, N, O in the flue gas and water vapor and the like are subjected to radiation reaction to generate a large amount of ions, free radicals, atoms, electrons, atoms, various excited-state atoms, molecules and other active substances, the ions, the free radicals, the atoms, the electrons, the various excited-state atoms, the molecules and the like oxidize the SOX and the NOX in the flue gas into SO and NO, the high-valence oxysulfide and nitric oxide react with the water vapor to generate vaporous sulfuric acid and nitric acid, generate ammonium sulfate and ammonium nitrate, and the staff directly opens electrostatic precipitator and can collect gas sol form ammonium sulfate and ammonium nitrate promptly, and the flue gas after the purification just can discharge through the play gas cylinder, can help the staff with very fast speed and holistic carry out SOx/NOx control with waste gas and handle, SOx/NOx control degree of completion is high efficient simultaneously.
2. Through being equipped with electrostatic precipitator, electrostatic precipitator can directly collect gas colloidal ammonium sulfate and ammonium nitrate, and the staff can be directly become the chemical fertilizer with the aerosol form ammonium sulfate and the ammonium nitrate support particle after collecting and use, and then produces unnecessary and have the material of polluting after avoiding SOx/NOx control for whole SOx/NOx control flow safety ring more protects, improves the whole practicality of this equipment.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the front side structure of the first outer box of the present invention;
FIG. 3 is a schematic side view of an electron beam generator according to the present invention;
in the figure: 1. a first outer box body; 2. an impurity filter screen; 3. an exhaust gas inlet; 4. an air draft fan; 5. an exhaust gas guide pipe; 6. a second outer box body; 7. a spray guide pipe; 8. a spray nozzle; 9. a water circulating pump; 10. a circulating water pipe; 11. purifying the guide pipe; 12. an air pump; 13. an ammonia gas storage box; 14. an air extraction pipeline; 15. an electron beam generator; 16. an electrostatic precipitator; 17. an air outlet cylinder; 18. a load bearing strut; 19. a switch panel; 20. a fan bracket; 21. a disinfectant.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: a power plant waste gas desulfurization and denitrification device comprises an outer box body 1, wherein impurity filter screens 2 are fixedly connected with the inner walls of the left side and the right side of an inner cavity of the outer box body 1 in an equidistant and horizontal mode, a waste gas inlet 3 is vertically penetrated and arranged in the center of the top of the outer box body 1, an exhaust fan 4 is vertically penetrated and sleeved in the center of the bottom of the outer box body 1 through a pipeline, a waste gas guide pipe 5 is vertically penetrated and nested at the bottom of the exhaust fan 4, an outer box body II 6 is horizontally penetrated and sleeved at the top of the right end of the waste gas guide pipe 5, disinfectant 21 is filled at the bottom of the outer box body II 6, a spray guide pipe 7 is horizontally connected with the inner wall of the top of the outer box body II 6, a spray nozzle 8 is equidistantly penetrated and sleeved at the bottom of the spray guide pipe 7, a circulating water pump, two 6 right-hand members of outer box central authorities level through connection have purification guiding tube 11, purify guiding tube 11 bottom and pass through the perpendicular through connection of pipeline perpendicularly and have aspiration pump 12, case 13 is deposited to the outside fixedly connected with ammonia in aspiration pump 12 bottom, and aspiration pump 12 bottom central authorities pass through the nestification perpendicularly and have bleed duct 14, and purify guiding tube 11 right-hand member level through connection have electron beam generator 15, electron beam generator 15 rear end bottom is through passing through fixedly connected with electrostatic precipitator 16, 16 top central authorities of electrostatic precipitator perpendicular through connection have a gas outlet tube 17, the equal perpendicular fixedly connected with bearing branch 18 in outer box 1 bottom four corners, bearing branch 18 right-hand member fixed surface is connected with flush mounting plate 19.
In this embodiment: the suction fan 4 model is CHOOLONG-MF-150P.
In this embodiment: the model of the circulating water pump 9 is Mulongju-Y5059.
In this embodiment: the pump 12 is model number Hon & Guan-HF-150P.
In this embodiment: the electron beam generator 15 is model QbeamAero.
In this embodiment: model 16 navian-ZD 500400 electrostatic precipitator.
In this embodiment: the switch panel 19 is only a plate body integrating switches of the exhaust fan 4, the circulating water pump 9, the air suction pump 12, the electron beam generator 15 and the electrostatic precipitator 16.
In this embodiment: the high-energy electron beam in the electron beam generator 15 directly irradiates the exhaust gas, the exhaust gas is irradiated by the high-energy electron beam, N2, O2, water vapor and the like in the exhaust gas are subjected to radiation reaction, a large amount of ions, free radicals, atoms, electrons, various excited atoms, molecules and other active substances are generated, SO2 and NOX in the exhaust gas are oxidized into SO3 and NO2, and the high-valence sulfur oxides and nitrogen oxides react with the water vapor to generate mist sulfuric acid and nitric acid.
Specifically, the side surface of the second outer box 6 is of an L-shaped structure, and holes are horizontally formed in the top of the left end and the bottom of the right end of the second outer box 6 in a penetrating mode; the two holes are respectively used for discharging and filling disinfectant and are provided with sealing covers matched with the two holes.
Specifically, the surface of the left end of the exhaust fan 4 is fixedly connected with a fan bracket 20, and the top of the right end of the fan bracket 20 is fixedly connected to the left surface of the outer box I1; the fan support 20 supports and fixes the exhaust fan 4.
Specifically, the outer side of the right end of the spray guide pipe 7 is horizontally connected with the second outer box 6 in a penetrating manner, and the outer side of the bottom of the circulating water pipe 10 is inserted into the disinfectant 21 in a penetrating manner; the circulating water pipe 10 is inserted into the disinfecting liquid 21 for extraction and recycling.
Specifically, the outer side of the air exhaust pipeline 14 is vertically connected to the left end of the top of the ammonia storage box 13 in a penetrating manner, and the top of the front side of the ammonia storage box 13 is provided with a hole in a penetrating manner; the ammonia gas storage tank 13 is filled with ammonia gas through this opening, while the outside of the opening includes a seal cover that is matched in structure.
Specifically, the interior of the air draft fan 4, the circulating water pump 9, the air suction pump 12, the electron beam generator 15 and the electrostatic dust collector 16 are electrically connected to the switch panel 19 through electric wires, and the switch panel 19 is respectively matched with the functions of the air draft fan 4, the circulating water pump 9, the air suction pump 12, the electron beam generator 15 and the electrostatic dust collector 16; the switch panel 19 switches the operation and the closing of the air draft fan 4, the circulating water pump 9, the air suction pump 12, the electron beam generator 15 and the electrostatic dust collector 16 on the device.
Specifically, the outer sides of the air draft fan 4, the circulating water pump 9, the air suction pump 12, the electron beam generator 15 and the electrostatic dust collector 16 are respectively and electrically connected with an external power supply through power lines; the electrical equipment is connected with an external power supply to take electricity.
The utility model discloses a theory of operation and use flow: firstly, the waste gas enters the outer box body 1 through the waste gas inlet 3, then the waste gas after being subjected to impurity filtration by the impurity filter screen 2 is fully purified by spraying a disinfectant 21 in the outer box body 6, SOX and NOX in the waste gas still exist, at the moment, the waste gas of the ammonia gas injected into the ammonia gas storage box 13 through the air suction pump 12 directly enters the electron beam generator 15, the high-energy electron beam in the electron beam generator 15 directly irradiates the waste gas, the waste gas is irradiated by the high-energy electron beam, N2, O2, water vapor and the like in the smoke gas are subjected to radiation reaction to generate a large amount of ions, free radicals, atoms, electrons and various excited atoms, molecules and other active substances, the ions, the free radicals, the electrons and the active substances oxidize SO2 and the NOX in the smoke gas into SO3 and NO2, the high-valence sulfur oxides and the nitrogen oxides react with the water vapor to generate atomized sulfuric acid and nitric acid, and the acid react with the ammonia injected, generate ammonium sulfate and ammonium nitrate, and the staff directly opens electrostatic precipitator 16 and can collect gaseous sol-like ammonium sulfate and ammonium nitrate promptly, the flue gas after the purification just can discharge through the play gas cylinder, electrostatic precipitator 16 can directly collect gaseous sol-like ammonium sulfate and ammonium nitrate simultaneously, the staff can directly become the chemical fertilizer with the ammonium sulfate and the ammonium nitrate support granule of the aerosol form after collecting and use, and then produce unnecessary and have the material of polluting after avoiding SOx/NOx control, make whole SOx/NOx control flow safer environmental protection more, and waste gas can take place following reaction after purifying guiding tube 11 and being added the ammonia guide and get into electron beam generator:
(1) generation of free radicals:
N2，O2，H2O + e→OH，O，HO2，N
(2) SO2 oxidizes and produces H2SO 4:
SO2→SO3→H2SO4
SO2→HSO3→H2SO4
(3) NOx oxidation and nitric acid formation:
NO→NO2→HNO3
NO→NO2+OH→HNO3
(4) the acid reacts with ammonia to produce ammonium sulfate and ammonium nitrate:
H2SO4+2NH3→(NH4)2SO4
HNO3+2NH3→NH4NO3。
finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a power plant's waste gas desulfurization denitration device, includes outer box (1), its characterized in that: the inner wall equidistance of the left side and the right side of the inner cavity of the outer box body I (1) is horizontally and fixedly connected with an impurity filter screen (2), the center of the top of the outer box body I (1) is vertically penetrated and provided with a waste gas inlet (3), the center of the bottom of the outer box body I (1) is vertically penetrated and sleeved with an air draft fan (4) through a pipeline, the bottom of the air draft fan (4) is vertically penetrated and nested with a waste gas guide pipe (5), the top of the right end of the waste gas guide pipe (5) is horizontally penetrated and sleeved with an outer box body II (6), the bottom of the outer box body II (6) is filled with disinfectant (21), the inner wall of the top of the outer box body II (6) is horizontally connected with a spray guide pipe (7), the bottom of the spray guide pipe (7) is equidistantly penetrated, the bottom of the circulating water pump (9) is vertically penetrated and sleeved with a circulating water pipe (10), the circulating water pipe (10) is penetrated and connected with the right end of the outer box body II (6), the center of the right end of the outer box body II (6) is horizontally penetrated and connected with a purification guide pipe (11), the bottom of the purification guide pipe (11) is vertically penetrated and connected with an air pump (12) through a pipeline, the outer side of the bottom of the air pump (12) is fixedly connected with an ammonia storage box (13), the center of the bottom of the air pump (12) is vertically penetrated and nested with an air pumping pipeline (14), the right end of the purification guide pipe (11) is horizontally penetrated and connected with an electron beam generator (15), the bottom of the rear end of the electron beam generator (15) is fixedly connected with an electrostatic dust collector (16) through a penetrating and connecting way, the center of the top of the electrostatic dust collector (16) is vertically penetrated and connected with an, the surface of the right end of the bearing support rod (18) is fixedly connected with a switch panel (19).
2. The power plant exhaust gas desulfurization and denitrification apparatus according to claim 1, wherein: the side surface of the second outer box body (6) is of an L-shaped structure, and holes are formed in the top of the left end and the bottom of the right end of the second outer box body (6) in a horizontally penetrating mode.
3. The power plant exhaust gas desulfurization and denitrification apparatus according to claim 1, wherein: the surface of the left end of the air draft fan (4) is fixedly connected with a fan support (20), and the top of the right end of the fan support (20) is fixedly connected to the left surface of the outer box body (1).
4. The power plant exhaust gas desulfurization and denitrification apparatus according to claim 1, wherein: the outer side of the right end of the spraying guide pipe (7) is horizontally connected with the second outer box body (6) in a penetrating mode, and the outer side of the bottom of the circulating water pipe (10) is inserted into the disinfectant (21) in a penetrating mode.
5. The power plant exhaust gas desulfurization and denitrification apparatus according to claim 1, wherein: the outer side of the air exhaust pipeline (14) is vertically connected to the left end of the top of the ammonia storage box (13) in a penetrating mode, and a hole is formed in the top of the front side of the ammonia storage box (13) in a penetrating mode.
6. The power plant exhaust gas desulfurization and denitrification apparatus according to claim 1, wherein: the air draft fan (4), the circulating water pump (9), the air draft pump (12), the electron beam generator (15) and the electrostatic dust collector (16) are all electrically connected to the switch panel (19) through electric wires, and the switch panel (19) is respectively matched with the functions of the air draft fan (4), the circulating water pump (9), the air draft pump (12), the electron beam generator (15) and the electrostatic dust collector (16).
7. The power plant exhaust gas desulfurization and denitrification apparatus according to claim 1, wherein: the outer sides of the air draft fan (4), the circulating water pump (9), the air suction pump (12), the electron beam generator (15) and the electrostatic dust collector (16) are respectively and electrically connected with an external power supply through power lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920946269.7U CN210251728U (en) | 2019-06-23 | 2019-06-23 | Power plant's waste gas SOx/NOx control equipment |
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| CN201920946269.7U CN210251728U (en) | 2019-06-23 | 2019-06-23 | Power plant's waste gas SOx/NOx control equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672302A (en) * | 2020-06-19 | 2020-09-18 | 扬州中康环保设备有限公司 | Desulfurization spray tower with anticorrosion and flue gas flow equalizing functions |
| CN112439294A (en) * | 2020-11-06 | 2021-03-05 | 马鞍山科宇环境工程有限公司 | Waste gas purification device for desulfurization and denitrification of environmental protection engineering |
| CN113521988A (en) * | 2021-04-20 | 2021-10-22 | 西昌市蓝鼎环保科技有限公司 | Selective desulfurization and denitrification device for flue gas of sintering machine |
-
2019
- 2019-06-23 CN CN201920946269.7U patent/CN210251728U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111672302A (en) * | 2020-06-19 | 2020-09-18 | 扬州中康环保设备有限公司 | Desulfurization spray tower with anticorrosion and flue gas flow equalizing functions |
| CN112439294A (en) * | 2020-11-06 | 2021-03-05 | 马鞍山科宇环境工程有限公司 | Waste gas purification device for desulfurization and denitrification of environmental protection engineering |
| CN113521988A (en) * | 2021-04-20 | 2021-10-22 | 西昌市蓝鼎环保科技有限公司 | Selective desulfurization and denitrification device for flue gas of sintering machine |
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