CN109012083B - Coking flue gas denitration device - Google Patents
Coking flue gas denitration device Download PDFInfo
- Publication number
- CN109012083B CN109012083B CN201810920257.7A CN201810920257A CN109012083B CN 109012083 B CN109012083 B CN 109012083B CN 201810920257 A CN201810920257 A CN 201810920257A CN 109012083 B CN109012083 B CN 109012083B
- Authority
- CN
- China
- Prior art keywords
- liquid
- pipe
- communicated
- reaction liquid
- flue gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000003546 flue gas Substances 0.000 title claims abstract description 33
- 238000004939 coking Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 229
- 230000007246 mechanism Effects 0.000 claims abstract description 112
- 239000012295 chemical reaction liquid Substances 0.000 claims abstract description 87
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000001802 infusion Methods 0.000 claims description 30
- 239000006185 dispersion Substances 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 6
- 239000007921 spray Substances 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to the technical field of flue gas treatment, in particular to a coking flue gas denitration device, which comprises a cylinder, a liquid adding mechanism, a liquid separating mechanism, a liquid discharging mechanism, a rotating motor, a liquid conveying ring, a first dispersing mechanism and a second dispersing mechanism, wherein the liquid adding mechanism is arranged on the cylinder; the invention can spray the reaction liquid in a net shape, so that the reaction liquid can cover all corners in the cylinder body, and the coverage area of the reaction liquid is effectively increased; the circulation pipe adopts an S-shaped structure, so that the circulation speed of the reaction liquid can be reduced, and the reaction liquid can be obliquely and upwards sprayed out from the liquid outlet pipe on the side surface due to the closed structure at the bottom of the circulation pipe, so that the movement stroke of the reaction liquid is further improved, the circulation speed of the reaction liquid is reduced, the residence time of the reaction liquid in the air is longer, the contact time with the flue gas is longer, and the utilization of the reaction liquid is more thorough; the sprayed reaction liquid can be dispersed and mutually impacted under the action of centripetal force to form fog.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a coking flue gas denitration device.
Background
With the stricter and stricter national control on the emission of nitrogen oxides, denitration in the coking industry is imperative, and waste gas pollutants generated in the coking process comprise nitrogen oxides, benzene, phenols, hydrogen cyanide and the like, so that the pollutants are damaged to people to different degrees.
In the denitration treatment process, reaction liquid is required to be sprayed, and the spraying range of the existing spraying equipment is limited, so that flue gas in certain dead angle areas can not react well; the liquid falls to the bottom part under insufficient reaction, which results in insufficient utilization of the reaction liquid. In view of the above, the invention provides a coking flue gas denitration device, which has the following characteristics:
(1) according to the coking flue gas denitration device, the outer wall of the main liquid pipe is communicated with the first liquid distribution pipes and the second liquid distribution pipes, and the bottom of each liquid distribution pipe is communicated with the liquid discharge mechanisms, so that reaction liquid can be sprayed out in a net shape, the reaction liquid can cover all corners in the cylinder body, and the coverage area of the reaction liquid is effectively increased.
(2) According to the coking flue gas denitration device, the circulating pipe is of the S-shaped structure, the circulating speed of the reaction liquid can be reduced, and the reaction liquid can be obliquely and upwards sprayed out from the liquid outlet pipe on the side surface only because the bottom of the circulating pipe is of the closed structure, so that the movement stroke of the reaction liquid is further improved, the circulating speed of the reaction liquid is reduced, the residence time of the reaction liquid in the air is longer, the contact time with flue gas is longer, and the utilization of the reaction liquid is more thorough.
(3) According to the coking flue gas denitration device, the rotary motor can be started to drive the gear to rotate, the liquid separation mechanism and the liquid discharge mechanism to integrally rotate, so that sprayed reaction liquid can be dispersed and mutually impacted under the action of centripetal force to form a fog shape, and the contact area of the spray liquid and waste gas is further increased.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a coking flue gas denitration device, wherein a plurality of first liquid distribution pipes and second liquid distribution pipes are communicated with the outer wall of a main liquid pipe, and the bottom of each liquid distribution pipe is communicated with a plurality of liquid discharging mechanisms, so that reaction liquid can be sprayed out in a net shape, the reaction liquid can cover all corners in a cylinder body, and the coverage area of the reaction liquid is effectively increased; the circulation pipe adopts an S-shaped structure, so that the circulation speed of the reaction liquid can be reduced, and the reaction liquid can be obliquely and upwards sprayed out from the liquid outlet pipe on the side surface due to the closed structure at the bottom of the circulation pipe, so that the movement stroke of the reaction liquid is further improved, the circulation speed of the reaction liquid is reduced, the residence time of the reaction liquid in the air is longer, the contact time with the flue gas is longer, and the utilization of the reaction liquid is more thorough; can start the rotating electrical machines and drive the gear and rotate, drive liquid distribution mechanism, the whole rotation of flowing back mechanism for spun reaction liquid can scatter and strike each other under the effect of centripetal force, forms vaporifically, thereby further increases the area of contact who sprays liquid and waste gas.
The technical scheme adopted by the invention for solving the technical problems is as follows: a coking flue gas denitration device comprises a cylinder, a liquid adding mechanism, a liquid separating mechanism, a liquid discharging mechanism, a rotating motor, a liquid conveying ring, a first dispersing mechanism and a second dispersing mechanism; the infusion ring is embedded into the inner wall of the cylinder in a sliding manner and is used for conveying liquid; the infusion ring is communicated with the liquid adding mechanism, and the liquid adding mechanism is used for providing reaction liquid; the inner wall of the infusion ring is fixedly communicated with the liquid separating mechanism, and the liquid separating mechanism is used for dispersing the reaction liquid to each position; the bottom of the liquid distribution mechanism is communicated with a plurality of liquid discharge mechanisms, and the liquid discharge mechanisms are used for discharging reaction liquid; the infusion ring is connected with the rotating motor in a meshed mode, and the rotating motor is used for driving the infusion ring to rotate; the inner wall of the cylinder is communicated with the first dispersion mechanism and the second dispersion mechanism, the first dispersion mechanism and the second dispersion mechanism are distributed oppositely, and the first dispersion mechanism and the second dispersion mechanism are used for dispersing smoke.
Specifically, the outer wall middle part symmetry intercommunication of barrel has intake pipe and blast pipe, the outer wall bottom intercommunication of barrel has inlet tube and drain pipe, the outer wall top intercommunication of barrel has the liquid feeding pipe, the one end intercommunication of liquid feeding pipe has the liquid feeding joint, open the top surface of barrel has annular mounting groove.
Specifically, the infusion ring slides and is embedded into the inside top layer of barrel, annular tooth's socket and annular feed liquor groove are opened on the surface of infusion ring, the feed liquor groove is located the outside of tooth's socket, the tooth's socket is located the bottom of mounting groove, the liquid feeding joint slide and be embedded into the inside in feed liquor groove.
Specifically, the rotating motor rotates and is connected with a gear, the gear extends into the mounting groove, and the gear is meshed and connected with the tooth grooves.
Specifically, the first dispersing mechanism and the second dispersing mechanism are identical in structure, the first dispersing mechanism is communicated with the air inlet pipe, and the second dispersing mechanism is communicated with the air outlet pipe.
Specifically, first dispersion mechanism includes first honeycomb duct, reposition of redundant personnel cover and filter plate, the intake pipe passes through first honeycomb duct with reposition of redundant personnel cover intercommunication each other, the reposition of redundant personnel cover is located the inside of barrel, the reposition of redundant personnel cover is the loudspeaker form, the surface embedding of reposition of redundant personnel cover has the filter plate.
Specifically, divide liquid mechanism to include that main liquid pipe, first branch liquid pipe and second divide the liquid pipe, main liquid pipe is fixed in the central line department of infusion ring, main liquid pipe with infusion ring intercommunication each other, main liquid pipe's both ends lateral wall symmetry intercommunication has the second divides the liquid pipe, main liquid pipe's middle part symmetry intercommunication has first branch liquid pipe, first branch liquid pipe's length is greater than the second divides the liquid pipe, first branch liquid pipe's length is less than the internal diameter of barrel.
Specifically, first branch liquid pipe the bottom surface that the second divides the liquid pipe all is connected with perpendicularly flowing back mechanism, flowing back mechanism includes runner pipe, spliced pole and drain pipe, spliced pole threaded connection first branch liquid pipe the second divides the liquid pipe, the bottom intercommunication of spliced pole has the runner pipe, the runner pipe is top opening, bottom enclosed construction, the lateral wall intercommunication of runner pipe has the drain pipe, the drain pipe is the heliciform and distributes, the drain pipe slope upwards sets up, the runner pipe is the S type.
Specifically, the liquid feeding mechanism includes liquid storage pot, drawing liquid pump and transfer line, the transfer line with the infusion ring communicates each other, the infusion ring passes through the drawing liquid pump intercommunication the liquid storage pot.
The invention has the beneficial effects that:
(1) according to the coking flue gas denitration device, the outer wall of the main liquid pipe is communicated with the first liquid distribution pipes and the second liquid distribution pipes, and the bottom of each liquid distribution pipe is communicated with the liquid discharge mechanisms, so that reaction liquid can be sprayed out in a net shape, the reaction liquid can cover all corners in the cylinder body, and the coverage area of the reaction liquid is effectively increased.
(2) According to the coking flue gas denitration device, the circulating pipe is of the S-shaped structure, the circulating speed of the reaction liquid can be reduced, and the reaction liquid can be obliquely and upwards sprayed out from the liquid outlet pipe on the side surface only because the bottom of the circulating pipe is of the closed structure, so that the movement stroke of the reaction liquid is further improved, the circulating speed of the reaction liquid is reduced, the residence time of the reaction liquid in the air is longer, the contact time with flue gas is longer, and the utilization of the reaction liquid is more thorough.
(3) According to the coking flue gas denitration device, the rotary motor can be started to drive the gear to rotate, the liquid separation mechanism and the liquid discharge mechanism to integrally rotate, so that sprayed reaction liquid can be dispersed and mutually impacted under the action of centripetal force to form a fog shape, and the contact area of the spray liquid and waste gas is further increased.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a coking flue gas denitration device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic top view of the cartridge shown in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at A shown in FIG. 2;
FIG. 4 is a schematic view of the first dispersion mechanism shown in FIG. 2;
FIG. 5 is a schematic view of the drainage mechanism of FIG. 1;
FIG. 6 is a schematic view of the connection structure of the flow-through tube and the liquid outlet tube shown in FIG. 5;
fig. 7 is a schematic view of the connection structure of the infusion ring shown in fig. 3.
In the figure: 1. the device comprises a cylinder body, 11, a liquid adding pipe, 111, a liquid adding joint, 12, an air inlet pipe, 13, an air outlet pipe, 14, a water inlet pipe, 15, a water outlet pipe, 16, a mounting groove, 2, a liquid adding mechanism, 21, a liquid storage tank, 22, a liquid drawing pump, 23, a liquid conveying pipe, 3, a liquid separating mechanism, 31, a main liquid pipe, 32, a first liquid separating pipe, 33, a second liquid separating pipe, 4, a liquid discharging mechanism, 41, a circulating pipe, 42, a connecting column, 43, a liquid outlet pipe, 5, a rotating motor, 51, a gear, 6, a liquid conveying ring, 61, a liquid inlet groove, 62, a tooth groove, 7, a first dispersing mechanism, 71, a first liquid guiding pipe, 72, a separating cover, 73, a filter plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4, the denitration device for coking flue gas comprises a cylinder 1, a liquid adding mechanism 2, a liquid separating mechanism 3, a liquid discharging mechanism 4, a rotating motor 5, a liquid conveying ring 6, a first dispersing mechanism 7 and a second dispersing mechanism 8; the infusion ring 6 is embedded in the inner wall of the cylinder body 1 in a sliding manner, and the infusion ring 6 is used for conveying liquid; the infusion ring 6 is communicated with the liquid adding mechanism 2, and the liquid adding mechanism 2 is used for providing reaction liquid; the inner wall of the infusion ring 6 is fixedly communicated with the liquid separating mechanism 3, and the liquid separating mechanism 3 is used for dispersing the reaction liquid to each position; the bottom of the liquid distribution mechanism 3 is communicated with a plurality of liquid discharge mechanisms 4, and the liquid discharge mechanisms 4 are used for discharging reaction liquid; the infusion ring 6 is connected with the rotating motor 5 in a meshed mode, and the rotating motor 5 is used for driving the infusion ring 6 to rotate; the inner wall of the cylinder 1 is communicated with the first dispersion mechanism 7 and the second dispersion mechanism 8, the first dispersion mechanism 7 and the second dispersion mechanism 8 are distributed oppositely, and the first dispersion mechanism 7 and the second dispersion mechanism 8 are used for dispersing smoke.
Specifically, as shown in fig. 1, the middle part of the outer wall of the cylinder 1 is symmetrically communicated with an air inlet pipe 12 and an air outlet pipe 13, the bottom of the outer wall of the cylinder 1 is communicated with an inlet pipe 14 and a drain pipe 15, the top end of the outer wall of the cylinder 1 is communicated with a liquid adding pipe 11, one end of the liquid adding pipe 11 is communicated with a liquid adding connector 111, and the top surface of the cylinder 1 is provided with an annular mounting groove 16; the circulation of flue gas is realized through intake pipe 12, blast pipe 13, realizes the circulation of running water through inlet tube 14, drain pipe 15, realizes the circulation of reaction liquid through liquid feeding pipe 11, liquid feeding joint 11.
Specifically, as shown in fig. 3, the infusion ring 6 is slidably inserted into the top layer of the interior of the cylinder 1, an annular tooth groove 62 and an annular liquid inlet groove 61 are formed in the surface of the infusion ring 6, the liquid inlet groove 61 is located outside the tooth groove 62, the tooth groove 62 is located at the bottom end of the mounting groove 16, and the liquid adding joint 111 is slidably inserted into the liquid inlet groove 61; the reaction liquid can enter the transfusion ring 6 through the liquid feeding joint 111 and the liquid feeding groove 61, and the liquid is conveyed.
Specifically, as shown in fig. 7, the rotating motor 5 is rotatably connected with a gear 51, the gear 51 extends into the mounting groove 16, and the gear 51 is engaged with the tooth slot 62; the rotation motor 5 can drive the gear 51 to rotate, so that the infusion ring 6 can rotate under the matching action of the gear 51 and the tooth grooves 62.
Specifically, as shown in fig. 2 and 4, the first dispersing mechanism 7 and the second dispersing mechanism 8 have the same structure, the first dispersing mechanism 7 is communicated with the intake pipe 12, and the second dispersing mechanism 8 is communicated with the exhaust pipe 13; the first dispersion mechanism 7 comprises a first flow guide pipe 71, a flow distribution cover 72 and a filter plate 73, the air inlet pipe 13 is communicated with the flow distribution cover 72 through the first flow guide pipe 71, the flow distribution cover 72 is positioned in the barrel 1, the flow distribution cover 72 is in a horn shape, and the filter plate 73 is embedded in the outer surface of the flow distribution cover 72; can filter the flue gas through dispersion mechanism to can make the flue gas disperse and come, avoid gathering together influence reaction.
Specifically, as shown in fig. 1, the liquid distribution mechanism 3 includes a main liquid pipe 31, a first liquid distribution pipe 32 and a second liquid distribution pipe 33, the main liquid pipe 31 is fixed at a center line of the liquid delivery ring 6, the main liquid pipe 31 and the liquid delivery ring 6 are communicated with each other, the second liquid distribution pipe 33 is symmetrically communicated with side walls of two ends of the main liquid pipe 31, the first liquid distribution pipe 32 is symmetrically communicated with a middle portion of the main liquid pipe 31, the first liquid distribution pipe 32 is longer than the second liquid distribution pipe 33, and the first liquid distribution pipe 32 is shorter than an inner diameter of the cylinder 1; the reaction liquid can be sprayed out in a net shape through each liquid distributing pipe, so that the coverage area of the reaction liquid is increased, and the reaction effect is improved.
Specifically, as shown in fig. 1, the liquid discharge mechanism 4 is vertically connected to bottom surfaces of the first liquid distribution pipe 32 and the second liquid distribution pipe 33, the liquid discharge mechanism 4 includes a flow pipe 41, a connection column 42 and a liquid outlet pipe 43, the connection column 42 is in threaded connection with the first liquid distribution pipe 32 and the second liquid distribution pipe 33, the bottom end of the connection column 42 is communicated with the flow pipe 41, the flow pipe 41 is in a structure with an open top end and a closed bottom end, a side wall of the flow pipe 41 is communicated with the liquid outlet pipe 43, the liquid outlet pipe 43 is spirally distributed, the liquid outlet pipe 43 is obliquely arranged upward, and the flow pipe 41 is in an S shape; the movement formation can be increased through the S-shaped structure, the falling speed is reduced, and the air residence time of the reaction liquid can be further prolonged by the arrangement of the liquid outlet pipe 43.
Specifically, as shown in fig. 1, the liquid adding mechanism 2 includes a liquid storage tank 21, a liquid pump 22 and a liquid conveying pipe 23, the liquid conveying pipe 23 is communicated with the liquid conveying ring 6, and the liquid conveying ring 6 is communicated with the liquid storage tank 21 through the liquid pump 22; the reaction liquid can be pumped to the dispersion tube, so that the liquid adding is more convenient.
A plurality of first liquid distribution pipes 32 and a plurality of second liquid distribution pipes 33 are communicated with the outer wall of the main liquid pipe 31, and the bottom of each liquid distribution pipe is communicated with a plurality of liquid discharge mechanisms 4, so that the reaction liquid can be sprayed out in a net shape, the reaction liquid can cover all corners in the barrel body 1, and the coverage area of the reaction liquid is effectively increased; the circulation pipe 42 adopts an S-shaped structure, so that the circulation speed of the reaction liquid can be reduced, and the reaction liquid can be obliquely and upwards sprayed out from the liquid outlet pipe 43 on the side surface due to the closed structure at the bottom of the circulation pipe 41, so that the movement stroke of the reaction liquid is further improved, the circulation speed of the reaction liquid is reduced, the reaction liquid stays in the air for a longer time, the contact time with the flue gas is longer, and the reaction liquid is more thoroughly utilized; can start to rotate motor 5 and drive gear 51 and rotate, drive liquid distribution mechanism 3, the whole rotation of flowing back mechanism 4 for spun reaction liquid can scatter and strike each other under the effect of centripetal force, forms vaporifically, thereby further increases the area of contact of spraying liquid and waste gas. The method specifically comprises the following steps:
(1) before processing, a certain amount of water is pumped into the bottom layer of the inner part of the cylinder body 1 through a water inlet pipe 14;
(2) liquid ammonia is used as reaction liquid to be stored in the liquid storage tank 21, the liquid pump 22 is started to pump out the liquid in the liquid storage tank 21, then the liquid is discharged into the liquid adding pipe 11 through the liquid conveying pipe 23, then the liquid enters the liquid conveying ring 6 through the liquid adding joint 11 and the liquid inlet groove 61, then the reaction liquid flows into the main liquid pipe 31, the first liquid dividing pipe 32 and the second liquid dividing pipe 33 again, and finally the reaction liquid is discharged into the cylinder body 1 through the circulating pipe 41 and the liquid outlet pipe 43; the reaction liquid can flow through the S-shaped flow pipe 41, so that the flow speed of the reaction liquid is reduced, and the reaction liquid can be obliquely and upwards sprayed out only from the liquid outlet pipe 43 on the side surface because the bottom of the flow pipe 41 is of a closed structure, so that the movement stroke of the reaction liquid is further improved, and the flow speed of the reaction liquid is reduced; the first and second liquid dividing pipes 32 and 33 can spray the reaction liquid in the form of net-shaped pieces to cover the corners in the cylinder 1;
(3) in the spraying process, the rotating motor 5 can be started to drive the gear 51 to rotate, so that under the matching action of the gear 51 and the tooth grooves 62, the transfusion ring 6 starts to rotate and drives the liquid separation mechanism 3 and the liquid discharge mechanism 4 to integrally rotate, the sprayed reaction liquid can be dispersed and mutually impacted under the action of centripetal force to form a fog shape, and the contact area of the spraying liquid and the waste gas is further increased;
(4) waste gas enters from the gas inlet pipe 12 and is dispersed through the flow dividing cover 72, then the waste gas is filtered by the filter plate 73, and then the waste gas enters into the cylinder 1 and is subjected to denitration reaction with ammonia water to generate harmless nitrogen and water, and the sprayed redundant ammonia water is also immersed in the water; the exhaust gas after the reaction is discharged through the second dispersion mechanism 8 and the exhaust pipe 13;
(5) after the treatment is completed, the drain 15 can be opened to drain the waste water.
In the invention, a plurality of first liquid dividing pipes 32 and second liquid dividing pipes 33 are communicated with the outer wall of a main liquid pipe 31, and the bottom of each liquid dividing pipe is communicated with a plurality of liquid discharging mechanisms 4, so that reaction liquid can be sprayed out in a net shape, the reaction liquid can cover all corners in a barrel body 1, and the coverage area of the reaction liquid is effectively increased; the circulation pipe 42 adopts an S-shaped structure, so that the circulation speed of the reaction liquid can be reduced, and the reaction liquid can be obliquely and upwards sprayed out from the liquid outlet pipe 43 on the side surface due to the closed structure at the bottom of the circulation pipe 41, so that the movement stroke of the reaction liquid is further improved, the circulation speed of the reaction liquid is reduced, the reaction liquid stays in the air for a longer time, the contact time with the flue gas is longer, and the reaction liquid is more thoroughly utilized; can start to rotate motor 5 and drive gear 51 and rotate, drive liquid distribution mechanism 3, the whole rotation of flowing back mechanism 4 for spun reaction liquid can scatter and strike each other under the effect of centripetal force, forms vaporifically, thereby further increases the area of contact of spraying liquid and waste gas. The motor is an LF260 type produced by Shenzhen Longhui motor Limited and a related power supply and a related circuit thereof. The liquid pump 22 is made of XD-010 type produced by Shanghai spring pump industry Co., Ltd, and its associated power supply and circuit.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A coking flue gas denitration device is characterized in that: comprises a cylinder body (1), a liquid adding mechanism (2), a liquid separating mechanism (3), a liquid discharging mechanism (4), a rotating motor (5), an infusion ring (6), a first dispersing mechanism (7) and a second dispersing mechanism (8); the infusion ring (6) is embedded into the inner wall of the cylinder body (1) in a sliding manner, and the infusion ring (6) is used for conveying liquid; the infusion ring (6) is communicated with the liquid adding mechanism (2), and the liquid adding mechanism (2) is used for providing reaction liquid; the inner wall of the infusion ring (6) is fixedly communicated with the liquid separating mechanism (3), and the liquid separating mechanism (3) is used for dispersing the reaction liquid to each position; the bottom of the liquid separation mechanism (3) is communicated with a plurality of liquid discharge mechanisms (4), and the liquid discharge mechanisms (4) are used for discharging reaction liquid; the infusion ring (6) is connected with the rotating motor (5) in a meshed mode, and the rotating motor (5) is used for driving the infusion ring (6) to rotate; the inner wall of the barrel body (1) is communicated with the first dispersion mechanism (7) and the second dispersion mechanism (8), the first dispersion mechanism (7) and the second dispersion mechanism (8) are distributed oppositely, the first dispersion mechanism (7) and the second dispersion mechanism (8) are used for dispersing smoke, the middle of the outer wall of the barrel body (1) is symmetrically communicated with an air inlet pipe (12) and an air outlet pipe (13), the bottom of the outer wall of the barrel body (1) is communicated with a water inlet pipe (14) and a water outlet pipe (15), the top end of the outer wall of the barrel body (1) is communicated with a liquid feeding pipe (11), one end of the liquid feeding pipe (11) is communicated with a liquid feeding connector (111), the top surface of the barrel body (1) is provided with an annular mounting groove (16), the liquid conveying ring (6) is embedded into the inner top layer of the barrel body (1) in a sliding mode, the surface of the liquid conveying ring (6) is provided with an annular tooth groove (62) and an annular liquid inlet, feed liquor groove (61) are located the outside of tooth's socket (62), tooth's socket (62) are located the bottom of mounting groove (16), liquid feeding joint (111) slip embedding in the inside of feed liquor groove (61), rotating motor (5) rotate connecting gear (51), gear (51) stretch into the inside of mounting groove (16), gear (51) meshing connection tooth's socket (62).
2. The coking flue gas denitration device according to claim 1, characterized in that: the structure between the first dispersion mechanism (7) and the second dispersion mechanism (8) is the same, the first dispersion mechanism (7) is communicated with the air inlet pipe (12), and the second dispersion mechanism (8) is communicated with the exhaust pipe (13).
3. The coking flue gas denitration device according to claim 2, characterized in that: first dispersion mechanism (7) include first honeycomb duct (71), reposition of redundant personnel cover (72) and filter plate (73), intake pipe (12) are passed through first honeycomb duct (71) with reposition of redundant personnel cover (72) communicate each other, reposition of redundant personnel cover (72) are located the inside of barrel (1), reposition of redundant personnel cover (72) are the loudspeaker form, the surface embedding of reposition of redundant personnel cover (72) has filter plate (73).
4. The coking flue gas denitration device according to claim 1, characterized in that: divide liquid mechanism (3) including main liquid pipe (31), first liquid distribution pipe (32) and second liquid distribution pipe (33), main liquid pipe (31) are fixed in the central line department of infusion ring (6), main liquid pipe (31) with infusion ring (6) communicate each other, the both ends lateral wall symmetry intercommunication of main liquid pipe (31) has second liquid distribution pipe (33), the middle part symmetry intercommunication of main liquid pipe (31) has first liquid distribution pipe (32), the length of first liquid distribution pipe (32) is greater than second liquid distribution pipe (33), the length of first liquid distribution pipe (32) is less than the internal diameter of barrel (1).
5. The coking flue gas denitration device according to claim 4, characterized in that: first liquid distribution pipe (32) the bottom surface that divides liquid pipe (33) of second all is connected with perpendicularly drainage mechanism (4), drainage mechanism (4) include runner pipe (41), spliced pole (42) and drain pipe (43), spliced pole (42) threaded connection first liquid distribution pipe (32) the second divides liquid pipe (33), the bottom intercommunication of spliced pole (42) has runner pipe (41), runner pipe (41) are top opening, bottom enclosed construction, the lateral wall intercommunication of runner pipe (41) has drain pipe (43), drain pipe (43) are the heliciform and distribute, drain pipe (43) slope upwards sets up, runner pipe (41) are the S type.
6. The coking flue gas denitration device according to claim 1, characterized in that: the liquid adding mechanism (2) comprises a liquid storage tank (21), a liquid pump (22) and a liquid conveying pipe (23), the liquid conveying pipe (23) is communicated with the liquid conveying ring (6), and the liquid conveying ring (6) is communicated with the liquid storage tank (21) through the liquid pump (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920257.7A CN109012083B (en) | 2018-08-14 | 2018-08-14 | Coking flue gas denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810920257.7A CN109012083B (en) | 2018-08-14 | 2018-08-14 | Coking flue gas denitration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109012083A CN109012083A (en) | 2018-12-18 |
| CN109012083B true CN109012083B (en) | 2020-11-10 |
Family
ID=64633212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810920257.7A Active CN109012083B (en) | 2018-08-14 | 2018-08-14 | Coking flue gas denitration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109012083B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE795830A (en) * | 1972-03-06 | 1973-06-18 | Baxter Laboratories Inc | PROCEDURE FOR CHECKING MEMBRANE DEVICES FOR THE PRESENCE OF LEAKS |
| US5324159A (en) * | 1992-10-02 | 1994-06-28 | Praxair Technology, Inc. | Particle loader |
| CN202654930U (en) * | 2012-06-19 | 2013-01-09 | 日照金禾博源生化有限公司 | Sulfur dioxide absorption tower |
| CN103588238A (en) * | 2013-12-02 | 2014-02-19 | 四川君和环保工程有限公司 | Oxidation air uniform-distribution device for calcium desulphurization |
| CN105879635A (en) * | 2015-01-19 | 2016-08-24 | 无锡市东优环保科技有限公司 | Boiler flue gas desulfurization and denitrification device |
| CN107051200A (en) * | 2016-12-28 | 2017-08-18 | 华电电力科学研究院 | A kind of rotary ammonia-spraying grid applied to SCR denitration system |
| CN207271480U (en) * | 2017-10-12 | 2018-04-27 | 洛阳万基发电有限公司 | A kind of dry slag spray cooling dust-arrest device |
-
2018
- 2018-08-14 CN CN201810920257.7A patent/CN109012083B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109012083A (en) | 2018-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206464284U (en) | One kind modernization machinery plant is cleaned and dried all-in-one with waste and old gear | |
| CN106762051B (en) | Mixing tube and its exhaust gas treatment device | |
| CN109876633A (en) | Exhaust gas processing device is used in a kind of production of spheroidal graphite pipe fitting | |
| CN202199229U (en) | Tail gas deduster for conduction oil heating boiler | |
| DE112014006511T5 (en) | Emission control system of an internal combustion engine having a turbocharger | |
| CN109012083B (en) | Coking flue gas denitration device | |
| CN207786297U (en) | A kind of SCR denitration reactor is evenly distributed with the guiding device in flow field | |
| CN109011887B (en) | Chemical coking tail gas treatment process | |
| CN206911090U (en) | A kind of high molecular reactive thing boiler flue gas denitration system | |
| CN210332234U (en) | Special deodorization system of prefabricated pump station | |
| CN110272148B (en) | Waste water treatment system of boiler | |
| CN210332233U (en) | Novel high-efficient foul smell clean system | |
| CN209501131U (en) | Without motor-driven rotation type wind smoke pipeline filter device | |
| CN215138591U (en) | Flue gas denitration purifier | |
| CN112023677B (en) | Turbocharging type negative pressure water absorption desulfurization and denitrification equipment | |
| CN205760495U (en) | Sewage sedimenting system | |
| CN211803051U (en) | Soil restoration charge device of ultraviolet activation persulfate | |
| CN204637865U (en) | A kind of air cleaner | |
| CN104689944B (en) | Paint spray booth waste gas treatment equipment and its paint spray booth | |
| CN210752065U (en) | Coal fired boiler SOx/NOx control clean system | |
| CN111672233A (en) | Water curtain device of painting machine | |
| CN113019106A (en) | Acid crystallization device for desulfurization and denitrification equipment | |
| CN113087222A (en) | Landscape fountain pool sewage circulation treatment device | |
| CN206398815U (en) | A kind of side plug-in type negative-pressure gas mixing erecting device | |
| CN107224861B (en) | Gas processor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201026 Address after: No.999, Yingjia Avenue West, Hengshan Town, Huoshan County, Lu'an City, Anhui Province Applicant after: Huoshan Zhixing Information Technology Co.,Ltd. Address before: 116092 Dahua Refco Group Ltd, 10 Jinxi Road, Ganjingzi District, Dalian, Liaoning Applicant before: Li Jie |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: 017400 South of National Highway 109, Chuansha Road West, Xini Town, Hangjin Banner, Ordos City, Inner Mongolia Autonomous Region Patentee after: Hangjinqi Juye Coal Chemical Co.,Ltd. Address before: 237000 No. 999, Yingjia Avenue West, Hengshan Town, Huoshan County, Lu'an City, Anhui Province Patentee before: Huoshan Zhixing Information Technology Co.,Ltd. |