CN109915844B - Energy-conserving comprehensive utilization system that administers of atmosphere pollution - Google Patents
Energy-conserving comprehensive utilization system that administers of atmosphere pollution Download PDFInfo
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- CN109915844B CN109915844B CN201811570382.6A CN201811570382A CN109915844B CN 109915844 B CN109915844 B CN 109915844B CN 201811570382 A CN201811570382 A CN 201811570382A CN 109915844 B CN109915844 B CN 109915844B
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- 239000000779 smoke Substances 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000007789 gas Substances 0.000 claims abstract description 45
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 16
- 230000001502 supplementing effect Effects 0.000 claims abstract description 16
- 238000003915 air pollution Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 32
- 238000007667 floating Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 4
- 230000002087 whitening effect Effects 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 35
- 239000003546 flue gas Substances 0.000 abstract description 35
- 239000002918 waste heat Substances 0.000 abstract description 10
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 13
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of flue gas treatment devices, in particular to an air pollution energy-saving treatment comprehensive utilization system which comprises a boiler, a smoke exhaust pipe, a smoke exhaust fan, at least one water-air heat exchange device, a water supplementing pipe, an electromagnetic valve, a liquid level sensor, at least one air-air heat exchange device, a first exhaust fan, an exhaust pipe, a second exhaust fan, at least one fresh air device, a nitrogen oxide treatment device, an insulating layer, a smoke elimination device, a liquid level control device, a collecting pipe and a collecting tank, wherein the lower part of the boiler is provided with a combustion chamber, the first annular collecting tank, the first water-retaining smoke exhaust device, the second water-retaining smoke exhaust device and the spraying device are arranged, and the invention effectively solves the problems of incomplete harmful gas and insufficient waste heat utilization in the existing treated flue gas.
Description
Technical Field
The invention relates to the technical field of flue gas treatment devices, in particular to an air pollution energy-saving treatment comprehensive utilization system.
Background
The waste of a large amount of energy is caused by directly discharging the amplified gas through dust removing equipment without waste heat utilization, the coal economizer is arranged on the tail heating surface of the boiler, the coal economizer is used for supplying water at normal temperature, the lowest wall temperature is close to the water supply temperature, the tail heating surface of the boiler is up to 200 ℃ or higher even at a higher exhaust temperature, the designed exhaust temperature of some boilers reaches 200 ℃ or even higher, a large amount of energy is wasted, although the existing boilers are provided with waste heat recovery devices, the waste heat recovery of the flue gas is insufficient, a large amount of heat is still lost, in addition, in the technical field of flue gas treatment of the boilers, nitrogen oxides and sulfur dioxide contained in the flue gas are main elements polluting the atmosphere, the existing treatment process is eliminated through a wet desulfurization and denitrification process, but the flue gas still contains a large amount of nitric oxide, nitric oxide is not easy to dissolve in water, and generates oxidation reaction with oxygen in the air at normal temperature along with the flue gas discharged into the air, so that the generation of nitrogen dioxide becomes a source polluting atmosphere, and how to thoroughly eliminate harmful gases and harmful elements in the flue gas is a main task of the invention.
Disclosure of Invention
The invention provides an air pollution energy-saving treatment comprehensive utilization system, which overcomes the defects of the prior art and effectively solves the problems of incomplete harmful gas and insufficient waste heat utilization in the existing flue gas treatment.
The invention is realized by the following technical measures:
an energy-saving comprehensive utilization system for treating atmospheric pollution comprises a boiler with a combustion chamber at the lower part, a smoke exhaust pipe, a smoke exhaust fan, at least one water-gas heat exchange device with a water inlet and a water outlet, a water supplementing pipe, an electromagnetic valve, a liquid level sensor, at least one gas-gas heat exchange device with an air inlet pipe, a first exhaust fan, an exhaust pipe, a second exhaust fan, at least one fresh air device, a nitrogen oxide treatment device, an insulating layer, a smoke whitening device, a liquid level control device, a collecting pipe and a collecting tank,
the smoke exhaust pipe is arranged at the left part of the upper side of the boiler and is communicated with the combustion chamber, the smoke exhaust fan is arranged on the smoke exhaust pipe, the water-gas heat exchange device is arranged on the smoke exhaust pipe, the water inlet is arranged at the upper part of one side of the water-gas heat exchange device, the water outlet is arranged at the lower part of one side of the water-gas heat exchange device, the lower end of the water supplementing pipe is communicated with the upper part of the boiler, the upper end of the water supplementing pipe is communicated with the water outlet through a three-way valve, the electromagnetic valve is arranged on the water supplementing pipe, the liquid level sensor is arranged at one side of the upper part of the boiler and is electrically connected with the electromagnetic valve, the gas-gas heat exchange device is arranged on the smoke exhaust pipe and is positioned above the water-gas heat exchange device, the air inlet pipe is arranged at one side of the gas-gas heat exchange device, the first exhaust fan is arranged on the air inlet pipe, the other side of the gas-gas heat exchange device is communicated with the combustion chamber through an exhaust pipe, the second exhaust fan is arranged on the exhaust pipe,
the fresh air device comprises a fresh air pipe and a third exhaust fan, the fresh air pipe is arranged on the smoke exhaust pipe and is communicated with the smoke exhaust pipe, the third exhaust fan is arranged on the fresh air pipe,
the nitrogen oxide treatment device comprises a mixing chamber with a mixing structure, a first annular collecting groove, a first water-retaining smoke-discharging device, a second water-retaining smoke-discharging device and a spraying device, the mixing chamber is arranged on the smoke exhaust pipe and above the fresh air device, the first annular collecting groove is arranged on the smoke exhaust pipe and above the mixing chamber, the first water-retaining smoke exhaust device comprises a first conical surface body and a first smoke exhaust port provided with a water-retaining edge, the lower end of the first conical surface body is fixedly arranged at the upper end of the inner side wall of the first annular collecting groove, the first smoke outlets are uniformly arranged on the first conical surface body, the second water-retaining smoke discharging device comprises a second conical surface body and a second smoke outlet provided with a water-retaining edge, the second conical surface body is arranged above the first conical surface body, the upper end and the lower end of the second conical surface body are connected with the first conical surface body through connecting rods, the second smoke outlets are uniformly arranged on the second conical surface body, the second smoke outlets and the first smoke outlets are staggered up and down, the spraying device comprises a spraying pipe and a spraying head, the spraying pipe is arranged on the smoke exhaust pipe, extends into the smoke exhaust pipe and is positioned above the second water-retaining smoke exhaust device, the spray header is fixedly arranged at the right end of the spray pipe, the smoke white removing device is fixedly arranged at the upper end of the smoke exhaust pipe through an insulating layer, the smoke whitening device comprises an insulating plate, a netlike negative electrode, a negative electrode power line, at least one positive electrode and a positive electrode power line, the lower end of the negative electrode is fixedly arranged at the upper end of the insulating layer, the insulating plate is fixedly arranged at the upper end of the negative electrode, the negative electrode power line is connected with one side of the negative electrode, the upper end of the positive electrode is fixedly arranged on the insulating plate and longitudinally penetrates through the interior of the negative electrode, the positive electrode power line is connected with the upper end of the positive electrode,
the liquid level control device comprises a diversion port, an L-shaped valve plate and a floating plate, wherein the diversion port is arranged on one side of the first annular collecting tank, the valve plate is arranged at a position corresponding to the diversion port and is connected with the first annular collecting tank through a sliding track, the floating plate is fixedly arranged at the upper end of the valve plate,
the collecting tank is arranged on one side of the boiler and is communicated with the diversion port through the collecting pipe.
The following are further optimizations and/or improvements to the above-described inventive solution:
preferably, the lower ends of the air inlet pipe and the fresh air pipe are respectively provided with a filtering device.
Preferably, the mixed structure is a reinforcing mesh which is arranged in a staggered way.
Preferably, the smoke eliminator further comprises a cover cap, wherein the cover cap is arranged at the upper end of the smoke eliminator through a connecting rod.
The invention has reasonable and compact structure, the flue gas generated by the combustion chamber is discharged through the flue gas discharge pipe when the boiler works, the heat in the flue gas is exchanged through the water-gas heat exchange device arranged on the flue gas discharge pipe, the flue gas is connected with the water outlet through the external water pipe and used as domestic hot water, the water level in the boiler is monitored in real time through the liquid level sensor, when the water generated in the boiler is consumed to a certain extent, the electromagnetic valve is opened to supplement the hot water led out from the water outlet into the boiler through the water supplementing pipe, thereby not only meeting the water consumption of the boiler, but also reducing the energy required by the boiler to heat the incoming hot water again, and carrying out first heat exchange and utilization on the heat in the flue gas; then the flue gas after the first heat exchange continues to upwards flow through the gas-gas heat exchange device for the second heat exchange, external air is pumped into the gas-gas heat exchange device through the first exhaust fan, heat in the flue gas is absorbed by the air to become high-temperature air, the high-temperature air is pumped into the combustion chamber through the second exhaust fan, the oxygen content requirement of a medium in the combustion chamber is ensured, the combustion is more sufficient, after the waste heat in the flue gas is absorbed and utilized for a plurality of times, the flue gas continues to upwards flow along the flue gas exhaust pipe, meanwhile, the third exhaust fan pumps the external air into the flue gas exhaust pipe to be fully mixed with the continuously-flowing flue gas in the mixing chamber, oxygen contained in the air and nitric oxide contained in the flue gas undergo oxidation reaction to generate nitrogen dioxide, at the moment, the penetrating mixed gas continues to upwards flow through the first exhaust port on the first conical surface and the second exhaust port on the second conical surface, at this time, the spray device sprays water to the upward mixed gas, nitrogen dioxide and sulfur dioxide are dissolved in water to form mixed liquid, the water sprayed by the spray device flows into the first annular collecting tank along the first conical surface body and the second conical surface body, in the process, the first smoke outlet and the second smoke outlet are both provided with water blocking edges, and are arranged up and down in a staggered way, so that the mixed liquid does not need to fall into the smoke discharging pipe, when the liquid level of the first annular collecting tank is increased, the liquid level rises to drive the floating plate to rise, then the valve plate is opened through the rising guide opening of the sliding rail, the mixed liquid in the first annular collecting tank is collected into the collecting tank through the collecting pipe, in the invention, the main harmful gas contained in the boiler smoke is almost thoroughly absorbed and eliminated, the atmospheric pollution source is reduced from the root, in addition, the heat contained in the smoke is effectively utilized for a plurality of times, the method has the advantages of energy conservation and emission reduction, and effectively solves the problems of incomplete harmful gas and insufficient waste heat utilization in the existing flue gas treatment.
Drawings
FIG. 1 is a schematic diagram of the preferred structure of the present invention.
Fig. 2 is a schematic structural diagram of the first water-retaining and smoke-discharging device and the second water-retaining and smoke-discharging device in fig. 1.
Fig. 3 is a sectional view of the installation structure of the first water-blocking smoke-discharging device, the second water-blocking smoke-discharging device and the first annular collecting tank in fig. 1.
FIG. 4 is a schematic view of the mounting structure of the liquid level control device and the first annular collecting tank shown in FIG. 1.
Fig. 5 is a schematic view of the first smoke outlet in fig. 1.
The codes in the drawings are respectively: 1 is a combustion chamber, 2 is a boiler, 3 is a smoke exhaust pipe, 4 is a smoke exhaust fan, 5 is a water inlet, 6 is a water outlet, 7 is a water-gas heat exchange device, 8 is a water supplementing pipe, 9 is a solenoid valve, 10 is a liquid level sensor, 11 is an air inlet pipe, 12 is a gas-gas heat exchange device, 13 is a first exhaust fan, 14 is an exhaust pipe, 15 is a second exhaust fan, 16 is a filtering device, 17 is a cover cap, 18, 19 is a collecting pipe, 20 is a collecting tank, 21 is a three-way valve, 22 is a fresh air pipe, 23 is a third exhaust fan, 24 is a mixed structure, 25 is a mixed chamber, 26 is a first annular collecting tank, 27 is a first conical surface body, 28 is a water blocking edge, 29 is a first fume exhaust port, 30 is a second conical surface body, 31 is a second fume exhaust port, 32 is a connecting rod, 33 is a spray pipe, 34 is a spray head, 35 is an insulating plate, 36 is a negative electrode, 37 is a negative electrode power line, 38 is a positive electrode, 39 is a power line, 40 is a diversion port, 41 is a valve plate, 42 is a track plate, 43 is a sliding floating plate.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments can be determined according to the technical scheme and practical situation of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of each component is described according to the layout manner of fig. 1 of the specification, for example: the positional relationship of front, rear, upper, lower, left, right, etc. is determined according to the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in figures 1, 2, 3, 4 and 5, the comprehensive utilization system for energy-saving treatment of the atmospheric pollution comprises a boiler 2 with a combustion chamber 1 at the lower part, a smoke exhaust pipe 3, a smoke exhaust fan 4, at least one water-air heat exchange device 7 with a water inlet 5 and a water outlet 6, a water supplementing pipe 8, an electromagnetic valve 9, a liquid level sensor 10, at least one air-air heat exchange device 12 with an air inlet pipe 11, a first exhaust fan 13, an exhaust pipe 14, a second exhaust fan 15, at least one fresh air device, a nitrogen oxide treatment device, an insulating layer 18, a smoke white removing device, a liquid level control device, a collecting pipe 19 and a collecting tank 20,
the smoke exhaust pipe 3 is arranged at the left part of the upper side of the boiler 2 and is communicated with the combustion chamber 1, the smoke exhaust fan 4 is arranged on the smoke exhaust pipe 3, the water-gas heat exchange device 7 is arranged on the smoke exhaust pipe 3, the water inlet 5 is arranged at the upper part of one side of the water-gas heat exchange device 7, the water outlet 6 is arranged at the lower part of one side of the water-gas heat exchange device 7, the lower end of the water supplementing pipe 8 is communicated with the upper part of the boiler 2, the upper end of the water supplementing pipe 8 is communicated with the water outlet 6 through a three-way valve 21, the electromagnetic valve 9 is arranged on the water supplementing pipe 8, the liquid level sensor 10 is arranged at one side of the upper part of the boiler 2, the liquid level sensor 10 is electrically connected with the electromagnetic valve 9, the gas-gas heat exchange device 12 is arranged on the smoke exhaust pipe 3 and is arranged above the water-gas heat exchange device 7, the air inlet pipe 11 is arranged at one side of the gas-gas heat exchange device 12, the first exhaust fan 13 is arranged on the air inlet pipe 11, the other side of the gas-gas heat exchange device 12 is communicated with the combustion chamber 1 through an exhaust pipe 14, the second exhaust fan 15 is arranged on the exhaust pipe 14,
the fresh air device comprises a fresh air pipe 22 and a third exhaust fan 23, the fresh air pipe 22 is arranged on the smoke exhaust pipe 3 and is communicated with the smoke exhaust pipe 3, the third exhaust fan 23 is arranged on the fresh air pipe 22,
the nitrogen oxide treatment device comprises a mixing chamber 25 provided with a mixing structure 24, a first annular collecting tank 26, a first water-retaining and smoke-discharging device, a second water-retaining and smoke-discharging device and a spraying device, wherein the mixing chamber 25 is arranged on a smoke-discharging pipe 3 and is positioned above a fresh air device, the first annular collecting tank 26 is arranged on the smoke-discharging pipe 3 and is positioned above the mixing chamber 25, the first water-retaining and smoke-discharging device comprises a first conical surface body 27 and a first smoke-discharging port 29 provided with a water-retaining edge 28, the lower end of the first conical surface body 27 is fixedly arranged at the upper end of the inner side wall of the first annular collecting tank 26, the first smoke-discharging port 29 is uniformly arranged on the first conical surface body 27, the second water-retaining and smoke-discharging device comprises a second conical surface body 30 and a second smoke-discharging port 31 provided with a water-retaining edge 28, the second conical surface body 30 is arranged above the first conical surface body 27, the upper end and the lower end of the second conical surface body is connected with the first conical surface body 27 through a connecting rod 32, the second smoke exhaust port 31 is uniformly arranged on the second conical surface body 30, the second smoke exhaust port 31 and the first smoke exhaust port 29 are vertically staggered, the spray device comprises a spray pipe 33 and a spray header 34, the spray pipe 33 is arranged on the smoke exhaust pipe 3 and extends to the inside of the smoke exhaust pipe 3 and is positioned above the second water-retaining smoke exhaust device, the spray header 34 is fixedly arranged at the right end of the spray pipe 33, the smoke elimination device is fixedly arranged at the upper end of the smoke exhaust pipe 3 through an insulating layer 18, the smoke elimination device comprises an insulating plate 35, a netty negative electrode 36, a negative electrode power line 37, at least one positive electrode 38 and a positive electrode power line 39, the lower end of the negative electrode 36 is fixedly arranged at the upper end of the insulating layer 18, the insulating plate 35 is fixedly arranged at the upper end of the negative electrode 36, the negative electrode power line 37 is connected to one side of the negative electrode 36, the upper end of the positive electrode 38 is fixedly arranged on the insulating plate 35 and longitudinally penetrates through the interior of the negative electrode 36, the positive electrode power line 39 is connected with the upper end of the positive electrode 38,
the liquid level control device comprises a diversion port 40, an L-shaped valve plate 41 and a floating plate 42, wherein the diversion port 40 is arranged on one side of the first annular collecting groove 26, the valve plate 41 is arranged at a position corresponding to the diversion port 40 and is connected with the first annular collecting groove 26 through a sliding track 43, the floating plate 42 is fixedly arranged at the upper end of the valve plate 41,
the collecting tank 20 is arranged at one side of the boiler 2, and the collecting tank 20 is communicated with the diversion port 40 through the collecting pipe 19.
The invention has reasonable and compact structure, when the boiler 2 works, smoke generated by the combustion chamber 1 is discharged through the smoke discharging pipe 3, heat in the smoke is exchanged through the water-gas heat exchanging device 7 arranged on the smoke discharging pipe 3, the smoke is connected with the water outlet 6 through the external water pipe and used as domestic hot water, the water level in the boiler is monitored in real time through the liquid level sensor 10, when the water generated in the boiler is consumed to a certain extent, the electromagnetic valve 9 is opened to supplement the hot water led out from the water outlet 6 into the boiler 2 through the water supplementing pipe 8, thereby not only meeting the water consumption of the boiler 2, but also reducing the energy required by the boiler 2 for heating the incoming hot water again, and carrying out primary heat exchange and utilization on the heat in the smoke; then the flue gas after the first heat exchange continues to flow upwards to pass through the gas-gas heat exchange device 12 for the second heat exchange, the external air is pumped into the gas-gas heat exchange device 12 through the first exhaust fan 13, the air absorbs the heat in the flue gas to become high-temperature air, the high-temperature air is pumped into the combustion chamber 1 through the second exhaust fan 15, the oxygen content requirement of the medium in the combustion chamber 1 is ensured, the combustion is more sufficient, the waste heat in the flue gas continues to flow upwards along the flue gas exhaust pipe 3 after the waste heat is absorbed and utilized for a plurality of times, meanwhile, the third exhaust fan 23 pumps the external air into the flue gas exhaust pipe 3 and fully mixes with the flue gas which continues to flow upwards in the mixing chamber 25, the oxygen contained in the air and the nitric oxide contained in the flue gas undergo oxidation reaction to generate nitrogen dioxide, and the mixed gas continues to flow upwards through the first exhaust port 29 on the first conical surface 27 and the second exhaust port 31 on the second conical surface 30, at this time, the upward mixed gas is sprayed by the spraying device, nitrogen dioxide and sulfur dioxide are dissolved in water to form mixed liquid, the water sprayed by the spraying device flows into the first annular collecting tank 26 along the first conical surface body 27 and the second conical surface body 30, in the process, the first smoke outlet 29 and the second smoke outlet 31 are respectively provided with a water blocking edge 28, the water blocking edges are arranged in an up-down staggered mode, so that the mixed liquid does not need to fall into the smoke discharging pipe 3, when the first annular collecting tank 26 is accumulated, the rising of the liquid level drives the floating plate 42 to rise, the valve plate 41 is opened through the rising guide opening 40 of the sliding rail 43, the mixed liquid in the first annular collecting tank 26 is collected into the collecting tank 20 through the collecting pipe 19, in the invention, the main harmful gas contained in the boiler smoke is almost completely absorbed and eliminated, the air pollution source is reduced from the source, in addition, the heat contained in the flue gas is effectively utilized for a plurality of times, so that the flue gas treatment device has the advantages of energy conservation and emission reduction, and the problems of incomplete harmful gas and insufficient waste heat utilization in the existing flue gas treatment are effectively solved.
The comprehensive utilization system for the air pollution energy-saving treatment can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the lower ends of the air inlet pipe 11 and the fresh air pipe 22 are respectively provided with a filtering device 16. The filter device 16 is provided here to filter out impurities contained in the air according to actual needs.
As shown in fig. 1, the hybrid structure 24 is a mesh reinforcement that is staggered.
As shown in fig. 1, the smoke-eliminating device further comprises a cap 17, wherein the cap 17 is arranged at the upper end of the smoke-eliminating device through a connecting rod 32.
The technical characteristics form the best embodiment of the invention, have stronger adaptability and best implementation effect, and can increase or reduce unnecessary technical characteristics according to actual needs to meet different requirements.
Claims (4)
1. The comprehensive utilization system for energy-saving treatment of atmospheric pollution is characterized by comprising a boiler, a smoke exhaust pipe, a smoke exhaust fan, at least one water-gas heat exchange device, a water supplementing pipe, an electromagnetic valve, a liquid level sensor, at least one gas-gas heat exchange device, a first exhaust fan, an exhaust pipe, a second exhaust fan, at least one fresh air device, a nitrogen oxide treatment device, an insulating layer, a smoke whitening device, a liquid level control device, a collecting pipe and a collecting tank, wherein the lower part of the boiler is provided with a combustion chamber,
the smoke exhaust pipe is arranged at the left part of the upper side of the boiler and is communicated with the combustion chamber, the smoke exhaust fan is arranged on the smoke exhaust pipe, the water-gas heat exchange device is arranged on the smoke exhaust pipe, the water inlet is arranged at the upper part of one side of the water-gas heat exchange device, the water outlet is arranged at the lower part of one side of the water-gas heat exchange device, the lower end of the water supplementing pipe is communicated with the upper part of the boiler, the upper end of the water supplementing pipe is communicated with the water outlet through a three-way valve, the electromagnetic valve is arranged on the water supplementing pipe, the liquid level sensor is arranged at one side of the upper part of the boiler and is electrically connected with the electromagnetic valve, the gas-gas heat exchange device is arranged on the smoke exhaust pipe and is positioned above the water-gas heat exchange device, the air inlet pipe is arranged at one side of the gas-gas heat exchange device, the first exhaust fan is arranged on the air inlet pipe, the other side of the gas-gas heat exchange device is communicated with the combustion chamber through an exhaust pipe, the second exhaust fan is arranged on the exhaust pipe,
the fresh air device comprises a fresh air pipe and a third exhaust fan, the fresh air pipe is arranged on the smoke exhaust pipe and is communicated with the exhaust pipe, the third exhaust fan is arranged on the fresh air pipe,
the nitrogen oxide treatment device comprises a mixing chamber with a mixing structure, a first annular collecting tank, a first water-retaining smoke-discharging device, a second water-retaining smoke-discharging device and a spraying device, wherein the mixing chamber is arranged on a smoke-discharging pipe and is positioned above a fresh air device, the first annular collecting tank is arranged on the smoke-discharging pipe and is positioned above the mixing chamber, the first water-retaining smoke-discharging device comprises a first conical surface body and a first smoke-discharging port with a water-retaining edge, the lower end of the first conical surface body is fixedly arranged at the upper end of the inner side wall of the first annular collecting tank, the first smoke-discharging port is uniformly arranged on the first conical surface body, the second water-retaining smoke-discharging device comprises a second conical surface body and a second smoke-discharging port with a water-retaining edge, the second conical surface body is arranged above the first conical surface body, the upper end and the lower end of the second water-retaining smoke-discharging device are both connected with the first conical surface body through a connecting rod, the second smoke-discharging port is uniformly arranged on the second conical surface body, the second smoke outlet and the first smoke outlet are vertically staggered, the spraying device comprises a spraying pipe and a spraying head, the spraying pipe is arranged on the smoke exhaust pipe and extends to the inside of the smoke exhaust pipe and is positioned above the second water-retaining smoke exhaust device, the spraying head is fixedly arranged at the right end of the spraying pipe, the smoke white removing device is fixedly arranged at the upper end of the smoke exhaust pipe through an insulating layer, the smoke white removing device comprises an insulating plate, a netty negative electrode, a negative electrode power line, at least one positive electrode and a positive electrode power line, the lower end of the negative electrode is fixedly arranged at the upper end of the insulating layer, the insulating plate is fixedly arranged at the upper end of the negative electrode, the negative electrode power line is connected with one side of the negative electrode, the upper end of the positive electrode is fixedly arranged on the insulating plate and longitudinally penetrates through the inside of the negative electrode, the positive electrode power line is connected with the upper end of the positive electrode,
the liquid level control device comprises a diversion port, an L-shaped valve plate and a floating plate, wherein the diversion port is arranged on one side of the first annular collecting tank, the valve plate is arranged at a position corresponding to the diversion port and is connected with the first annular collecting tank through a sliding track, the floating plate is fixedly arranged at the upper end of the valve plate,
the collecting tank is arranged on one side of the boiler and is communicated with the diversion port through the collecting pipe.
2. The comprehensive utilization system for air pollution energy-saving treatment according to claim 1, wherein the lower ends of the air inlet pipe and the fresh air pipe are respectively provided with a filtering device.
3. The comprehensive utilization system for air pollution energy-saving treatment according to claim 1 or 2, wherein the mixing structure is a reinforcing mesh arranged in a staggered manner.
4. The comprehensive utilization system for energy-saving treatment of atmospheric pollution according to claim 3, further comprising a cap, wherein the cap is arranged at the upper end of the smoke abatement device through a connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570382.6A CN109915844B (en) | 2018-12-21 | 2018-12-21 | Energy-conserving comprehensive utilization system that administers of atmosphere pollution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811570382.6A CN109915844B (en) | 2018-12-21 | 2018-12-21 | Energy-conserving comprehensive utilization system that administers of atmosphere pollution |
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| Publication Number | Publication Date |
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| CN109915844A CN109915844A (en) | 2019-06-21 |
| CN109915844B true CN109915844B (en) | 2024-03-15 |
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| CN110966244B (en) * | 2019-12-10 | 2021-02-26 | 佛山科学技术学院 | Air draft structure for atmospheric pollution control and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201764698U (en) * | 2010-08-02 | 2011-03-16 | 朱宝泉 | Spraying condensation type gas water heater |
| WO2014115408A1 (en) * | 2013-01-24 | 2014-07-31 | 三菱重工業株式会社 | Exhaust gas processing system and exhaust gas processing method |
| CN107036115A (en) * | 2017-05-26 | 2017-08-11 | 山西大学 | A kind of system of deep exploitation residual heat from boiler fume and pollutant removing |
| CN209857094U (en) * | 2018-12-21 | 2019-12-27 | 新疆博纳格材料科技有限公司 | Comprehensive utilization system for atmospheric pollution energy-saving treatment |
-
2018
- 2018-12-21 CN CN201811570382.6A patent/CN109915844B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201764698U (en) * | 2010-08-02 | 2011-03-16 | 朱宝泉 | Spraying condensation type gas water heater |
| WO2014115408A1 (en) * | 2013-01-24 | 2014-07-31 | 三菱重工業株式会社 | Exhaust gas processing system and exhaust gas processing method |
| CN107036115A (en) * | 2017-05-26 | 2017-08-11 | 山西大学 | A kind of system of deep exploitation residual heat from boiler fume and pollutant removing |
| CN209857094U (en) * | 2018-12-21 | 2019-12-27 | 新疆博纳格材料科技有限公司 | Comprehensive utilization system for atmospheric pollution energy-saving treatment |
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