CN217449602U - Flue gas denitration device - Google Patents

Flue gas denitration device Download PDF

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Publication number
CN217449602U
CN217449602U CN202220960452.4U CN202220960452U CN217449602U CN 217449602 U CN217449602 U CN 217449602U CN 202220960452 U CN202220960452 U CN 202220960452U CN 217449602 U CN217449602 U CN 217449602U
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CN
China
Prior art keywords
copper
ore pulp
manganese ore
flue gas
inlet
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Expired - Fee Related
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CN202220960452.4U
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Chinese (zh)
Inventor
杨晓妍
孙鑫
张云康
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Priority to CN202220960452.4U priority Critical patent/CN217449602U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

The utility model discloses a flue gas denitration device, including the reaction storehouse, the inside spiral puddler that is provided with of reaction storehouse, an end connection of reaction storehouse has flue gas inlet and copper manganese ore pulp entry, be provided with the cooler in the flue gas inlet, the inside one row of shower head that is provided with of upper end of reaction storehouse, the shower head communicates liquid catalyst and holds the case, the one end of keeping away from the flue gas inlet of reaction storehouse is provided with exhanst gas outlet and copper manganese ore pulp export, the exhanst gas outlet sets up above the reaction storehouse, copper manganese ore pulp export sets up below the reaction storehouse, monitor the flue gas temperature through the thermometer, adjust the temperature through the fan that adjusts the temperature, avoid the high reaction efficiency that influences of the temperature that the flue gas got into; the method of spraying an oxidant is adopted, and then the oxidant is contacted with the flue gas through the catalysis of the copper-manganese ore slurry, so that the reaction is carried out more fully; set up rabbling mechanism, can make copper manganese ore pulp and peroxide agent more abundant contact with the flue gas, and the catalyst of being convenient for is changed, guarantees catalytic efficiency.

Description

Flue gas denitration device
Technical Field
The utility model belongs to the technical field of flue gas denitration treatment, specifically be a flue gas denitration device.
Background
With the development of economy in China, environmental pollution caused by energy consumption is more and more serious, and SO is generated in China 2 Intensification of emission control and increase in number of vehicles, NO x The contribution to acid rain will gradually catch up or exceed SO 2 Currently, governments around the world place high importance on NO x In many countries strict NO regulations have been established x And (4) emission standard. The flue gas desulfurization and denitration technology is a boiler flue gas purification technology applied to the chemical industry of generating multi-nitrogen oxides and sulfur oxides, the nitrogen oxides and the sulfur oxides are one of main sources of air pollution, so the application of the technology has a great benefit on the purification of environmental air, and the known flue gas desulfurization and denitration technologies comprise a PAFP (polyamidp), an ACFP (Acfp (Acetolite) method, an electron beam ammonia method, a pulse corona method, a gypsum wet method, a catalytic oxidation method, a microbial degradation method and the like.
The existing denitration technology has the disadvantages of slow reaction speed in the reaction bin, lack of good catalytic action and overlong reaction time of flue gas in the reaction bin, so that the denitration efficiency is not high; before entering the reaction bin, the temperature of the flue gas needs to be kept in a temperature range of 40-50 ℃, which is beneficial to catalytic reaction; the copper-manganese ore pulp for catalysis cannot be converted between new and old pulp in the using process, the catalysis degree is reduced after the reaction reaches the later stage, and the reaction effect is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas denitration device to solve the problem that proposes in the above-mentioned background art.
For realizing the above-mentioned purpose, the utility model discloses flue gas denitration device includes the reaction storehouse, the inside spiral puddler that is provided with in reaction storehouse, the output shaft of motor is connected to spiral puddler one end, the motor is fixed outside the reaction storehouse, be provided with spiral stirring vane on the spiral puddler, be provided with flue gas inlet and copper manganese ore pulp entry on the reaction storehouse other end, be provided with the cooler in the flue gas inlet, the top is provided with one row of shower head in the reaction storehouse, shower head intercommunication liquid catalyst holds the case, liquid catalyst holds case fixed mounting at the outer top of reaction storehouse, liquid catalyst holds the incasement and is provided with liquid catalyst, the one end of keeping away from flue gas inlet in the reaction storehouse is provided with exhanst gas outlet and copper manganese ore pulp export, exhanst gas outlet sets up in the reaction storehouse top, copper manganese ore pulp export sets up in the reaction storehouse below.
Copper-manganese ore pulp is arranged at the upper end of the copper-manganese ore pulp inlet and is sent into the conveyor belt, and mixed copper-manganese ore pulp is arranged at the lower end of the copper-manganese ore pulp outlet and is sent out of the conveyor belt.
The upper end of the liquid catalyst containing box is provided with a liquid catalyst inlet, and the liquid catalyst is an oxidant.
A copper-manganese ore pulp input adjusting plate is arranged in the copper-manganese ore pulp inlet and is in sliding connection with the copper-manganese ore pulp input adjusting plate, a rack is fixedly connected to the lower end of the copper-manganese ore pulp input adjusting plate, the rack and the copper-manganese ore pulp input adjusting plate extend to the outside of the copper-manganese ore pulp inlet, a copper-manganese ore pulp input adjusting motor is arranged outside the copper-manganese ore pulp inlet, the copper-manganese ore pulp input adjusting motor is fixed to the outer wall of the copper-manganese ore pulp inlet through a motor base, a gear is fixedly connected to an output shaft of the copper-manganese ore pulp input adjusting motor, and the gear is meshed with the rack; copper manganese ore pulp income regulating plate extend to copper manganese ore pulp and enter the outside top of mouth and be provided with the tuber pipe frame, and tuber pipe frame one side is fixed at copper manganese ore pulp entry outer wall, and the blast pipe is installed to tuber pipe frame below slope, and the blast pipe even ventilates the tuber pipe of pipe frame one side installation to the interface.
The cooler comprises a temperature adjusting fan and a thermometer, and the temperature adjusting fan and the thermometer are both arranged in the smoke inlet.
The spiral stirring blade is provided with a plurality of smoke shuttle holes.
And a smoke micro-particle filtering layer is arranged in the smoke outlet and is filtered by adopting activated carbon.
Compared with the prior art, the utility model monitors the temperature of the flue gas through the thermometer, and adjusts the temperature through the temperature adjusting fan, thereby avoiding the influence of the overhigh temperature of the flue gas entering on the reaction efficiency; the method of spraying the oxidant is adopted, and then the oxidant is contacted with the flue gas through the catalysis of the copper-manganese ore slurry, so that the reaction is carried out more fully; set up spiral rabbling mechanism, copper manganese ore pulp and oxidant are more abundant contacts with the flue gas, and are used for carrying out periodic replacement to the catalyst, guarantee catalytic efficiency.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
FIG. 2 is a schematic structural view of the spiral stirring rod of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
in the figure: 1. the device comprises a reaction bin, 2, a spray header, 3, a flue gas outlet, 4, a copper-manganese ore pulp inlet, 5, a cooler, 6, a copper-manganese ore pulp outlet, 7, a temperature adjusting fan, 8, a thermometer, 9, a spiral stirring rod, 10, a spiral stirring blade, 11, a motor, 12, a copper-manganese ore pulp inlet adjusting plate, 13, a copper-manganese ore pulp feeding conveyor belt, 14, a mixed copper-manganese ore pulp feeding conveyor belt, 15, a flue gas inlet, 16, a flue gas microparticle filter layer, 17, a liquid catalyst inlet, 18, a liquid catalyst containing box, 19, a copper-manganese ore pulp inlet adjusting motor, 20, a flue gas shuttle hole, 21, a rack, 22, a gear, 23, a motor base, 24, an air pipe frame, 25, an air blowing pipe, 26 and an air pipe butt joint.
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: as shown in fig. 1-3, the flue gas denitration device of the present invention includes a reaction chamber 1, a spiral stirring rod 9 is disposed inside the reaction chamber 1, one end of the spiral stirring rod 9 is connected to an output shaft of a motor 11, the motor 11 drives the spiral stirring rod 9 to rotate, the motor 11 is fixed outside the reaction chamber 1, a spiral stirring blade 10 is disposed on the spiral stirring rod 9, and a plurality of flue gas shuttle holes 20 are disposed on the spiral stirring blade 10; while the copper-manganese ore pulp is rolled and stirred by the spiral stirring blade 10, the copper-manganese ore pulp is conveyed towards the copper-manganese ore pulp outlet 6, and the copper-manganese ore pulp is fully contacted with the flue gas; the other end of the reaction bin 1 is connected with a flue gas inlet 15 and a copper-manganese ore pulp inlet 4, copper-manganese ore pulp is arranged at the upper end of the copper-manganese ore pulp inlet 4 and is sent to a conveyor belt 13, flue gas to be denitrated enters from the flue gas inlet 15, copper-manganese ore pulp for catalysis is added from the copper-manganese ore pulp inlet 4, a cooler 5 is arranged in the flue gas inlet 15, the cooler 5 comprises a temperature adjusting fan 7 and a thermometer 8, the temperature adjusting fan 7 and the thermometer 8 are both installed in the flue gas inlet 15, the temperature of the flue gas is monitored through the thermometer, the temperature is adjusted through the temperature adjusting fan 7, and the phenomenon that the reaction efficiency is influenced by the overhigh temperature of the flue gas is avoided;
a row of spray headers 2 are arranged at the inner top of the reaction chamber 1, the spray headers 2 are communicated with a liquid catalyst containing box 18, the liquid catalyst containing box 18 is fixedly arranged at the top of the reaction chamber 1, a liquid catalyst is arranged in the liquid catalyst containing box 18, the liquid catalyst adopts a conventional commercially available oxidizing agent, a liquid catalyst inlet 17 is formed at the top of the liquid catalyst containing box 18, and the catalytic efficiency is improved by spraying hydrogen peroxide to flue gas and matching with copper-manganese ore pulp; a flue gas outlet 3 and a copper-manganese ore pulp outlet 6 are arranged at one end of the reaction bin 1, which is far away from the flue gas inlet 15; the flue gas outlet 3 is arranged above the reaction bin 1, the denitrated flue gas is discharged from the flue gas outlet 3, a flue gas micro-particle filtering layer 16 is arranged in the flue gas outlet 3, and the flue gas micro-particle filtering layer 16 is filtered by adopting activated carbon, so that micro catalyst particles doped in the flue gas can be filtered; copper-manganese ore pulp export 6 sets up in reaction storehouse 1 below, and the copper-manganese ore pulp mixture after the reaction is discharged from copper-manganese ore pulp export 6, and copper-manganese ore pulp export 6 lower extreme is provided with mixed copper-manganese ore pulp and sends out conveyer belt 14.
Example 2: the structure of the device of the embodiment is the same as that of the embodiment 1, and the difference is that: a copper-manganese ore pulp inflow adjusting plate 12 is arranged in the copper-manganese ore pulp inlet 4, the copper-manganese ore pulp inflow adjusting plate 12 is installed in the copper-manganese ore pulp inlet 4 and is in sliding connection with the copper-manganese ore pulp inlet 4, a rack 21 is fixedly connected to the lower end of the copper-manganese ore pulp inflow adjusting plate 12, the rack 21 and the copper-manganese ore pulp inflow adjusting plate 12 extend to the outside of the copper-manganese ore pulp inlet 4, a copper-manganese ore pulp inflow adjusting motor 19 is arranged outside the copper-manganese ore pulp inlet 4, the copper-manganese ore pulp inflow adjusting motor 19 is fixed on the outer wall of the copper-manganese ore pulp inlet 4 through a motor base 23, a gear 22 is fixed on an output shaft of the copper-manganese ore pulp inflow adjusting motor 19, and the gear 22 is meshed with the rack 21; an air pipe frame 24 is arranged above the copper-manganese ore pulp inlet adjusting plate 12 and extends to the outside of the copper-manganese ore pulp inlet 4, one side of the air pipe frame 24 is fixed on the outer wall of the copper-manganese ore pulp inlet 4, a blowing pipe 25 is obliquely arranged below the air pipe frame 24, the blowing pipe 25 is connected with an air pipe butt joint 26 arranged on one side of the air pipe frame 24, the gear 22 can be driven to rotate through the driving of a copper-manganese ore pulp inlet adjusting motor 19, the gear 22 drives the rack 21 and the copper-manganese ore pulp inlet adjusting plate 12 to move, and the copper-manganese ore pulp amount entering from the copper-manganese ore pulp inlet 4 is adjusted; the air pipe frame 24 can enable the air blowing pipe 25 to be aligned with the copper-manganese ore pulp input adjusting plate 12, and the air pipe is connected to the air pipe butt joint 26 to blow air out of the air blowing pipe 25 so as to clean the upper end face of the copper-manganese ore pulp input adjusting plate 12;
when the device is used, flue gas to be denitrated enters from a flue gas inlet 15, the temperature of the flue gas enters into a reaction bin 1 after being adjusted by a temperature adjusting fan 7 in the flue gas inlet 15, copper-manganese ore pulp is conveyed to a conveyor belt 13 through the copper-manganese ore pulp, the copper-manganese ore pulp flows into the reaction bin 1 from a copper-manganese ore pulp inlet 4, the copper-manganese ore pulp and the flue gas are contacted at one end of the reaction bin 1, the copper-manganese ore pulp and the flue gas are pushed to the other end of the reaction bin 1 through the rotation of a spiral stirring rod 9 and a spiral stirring blade 10, hydrogen peroxide is sprayed through a spray header 2 in the pushing process, the hydrogen peroxide and the copper-manganese ore pulp have a catalytic effect on the denitration of the flue gas, a plurality of flue gas shuttle holes 20 are formed in the spiral stirring blade 10, the flue gas shuttles from the flue gas shuttle holes 20 and fully contacts with the copper-manganese ore pulp among the spiral stirring blades 10; when the flue gas reaches the other end of the reaction bin, the denitrated flue gas is discharged from a flue gas outlet 3, the used catalyst is discharged from a copper-manganese ore pulp outlet 6, and the mixed copper-manganese ore pulp is conveyed out by a conveying belt 14; the entering amount of the copper-manganese ore pulp entering the reaction bin 1 can be adjusted according to the requirement by arranging the copper-manganese ore pulp entering amount adjusting plate 12.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a flue gas denitrification facility, includes reaction storehouse (1), its characterized in that: reaction storehouse (1) inside is provided with spiral puddler (9), the output shaft of motor (11) is connected to spiral puddler (9) one end, motor (11) are fixed in reaction storehouse (1) outside, be provided with spiral stirring vane (10) on spiral puddler (9), be provided with on reaction storehouse (1) the other end flue gas inlet (15) and copper manganese ore pulp entry (4), be provided with cooler (5) in flue gas inlet (15), the top is provided with one row of shower head (2) in reaction storehouse (1), shower head (2) intercommunication liquid catalyst holds case (18), liquid catalyst holds case (18) fixed mounting at reaction storehouse (1) top outside, the one end of keeping away from flue gas inlet (15) in reaction storehouse (1) is provided with exhanst gas outlet (3) and copper manganese ore pulp export (6), exhanst gas outlet (3) set up in reaction storehouse (1) top, copper manganese ore pulp export (6) set up in reaction storehouse (1) below.
2. The flue gas denitration device according to claim 1, characterized in that: copper-manganese ore pulp is arranged at the upper end of the copper-manganese ore pulp inlet (4) and is sent into the conveyor belt (13), and a mixed copper-manganese ore pulp is arranged below the copper-manganese ore pulp outlet (6) and is sent out of the conveyor belt (14).
3. The flue gas denitration device according to claim 1, characterized in that: the upper end of the liquid catalyst containing box (18) is provided with a liquid catalyst inlet (17).
4. The flue gas denitration device according to claim 1, characterized in that: a copper-manganese ore pulp inflow adjusting plate (12) is arranged in the copper-manganese ore pulp inlet (4) and is in sliding connection with the copper-manganese ore pulp inflow adjusting plate, a rack (21) is fixedly connected to the lower end of the copper-manganese ore pulp inflow adjusting plate (12), the rack (21) and the copper-manganese ore pulp inflow adjusting plate (12) extend to the outside of the copper-manganese ore pulp inlet (4), a copper-manganese ore pulp inflow adjusting motor (19) is arranged outside the copper-manganese ore pulp inlet (4), the copper-manganese ore pulp inflow adjusting motor (19) is fixed to the outer wall of the copper-manganese ore pulp inlet (4) through a motor base (23), a gear (22) is fixed on an output shaft of the copper-manganese ore pulp inflow adjusting motor (19), and the gear (22) is meshed with the rack (21); copper manganese ore pulp income regulating plate (12) extend to copper manganese ore pulp entry (4) outside top and be provided with air pipe support (24), air pipe support (24) one side is fixed at copper manganese ore pulp entry (4) outer wall, and blast pipe (25) are installed to the slope of air pipe support (24) below, and blast pipe (25) link to each other ventilate tuber pipe butt joint (26) of pipe support (24) one side installation.
5. The flue gas denitration device according to claim 1, characterized in that: the cooler (5) comprises a temperature adjusting fan (7) and a thermometer (8), and the temperature adjusting fan (7) and the thermometer (8) are both installed in the smoke inlet (15).
6. The flue gas denitration device according to claim 1, characterized in that: the spiral stirring blade (10) is provided with a plurality of smoke shuttle holes (20).
7. The flue gas denitration device according to claim 1, characterized in that: a smoke micro-particle filtering layer (16) is arranged in the smoke outlet (3).
CN202220960452.4U 2022-04-25 2022-04-25 Flue gas denitration device Expired - Fee Related CN217449602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220960452.4U CN217449602U (en) 2022-04-25 2022-04-25 Flue gas denitration device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220960452.4U CN217449602U (en) 2022-04-25 2022-04-25 Flue gas denitration device

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CN217449602U true CN217449602U (en) 2022-09-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117919935A (en) * 2024-03-22 2024-04-26 克拉玛依市独山子区晟通热力有限责任公司 Desulfurization, denitrification, dust removal and ultralow emission device of heat supply chain boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117919935A (en) * 2024-03-22 2024-04-26 克拉玛依市独山子区晟通热力有限责任公司 Desulfurization, denitrification, dust removal and ultralow emission device of heat supply chain boiler
CN117919935B (en) * 2024-03-22 2024-06-07 克拉玛依市独山子区晟通热力有限责任公司 Desulfurization, denitrification, dust removal and ultralow emission device of heat supply chain boiler

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