CN112387097B - Desulfurization and denitrification dedusting tower - Google Patents

Desulfurization and denitrification dedusting tower Download PDF

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Publication number
CN112387097B
CN112387097B CN202011191049.1A CN202011191049A CN112387097B CN 112387097 B CN112387097 B CN 112387097B CN 202011191049 A CN202011191049 A CN 202011191049A CN 112387097 B CN112387097 B CN 112387097B
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China
Prior art keywords
pipe
wall
box
fixedly arranged
exchange box
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CN202011191049.1A
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CN112387097A (en
Inventor
张飞
衷俊
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Chaoyang Hongsheng Machinery Manufacturing Co ltd
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Chaoyang Hongsheng Machinery Manufacturing Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to the technical field of dust towers, in particular to a desulfurization and denitrification dust tower, which comprises an exchange box, wherein a connecting frame is fixedly arranged on the other side of the outer wall of the exchange box, a collecting box is fixedly arranged on the upper surface of the exchange box, a blow-off pipe is fixedly arranged on one side of the outer wall of the collecting box, and a valve is fixedly arranged on the blow-off pipe.

Description

Desulfurization and denitrification dedusting tower
Technical Field
The invention relates to the technical field of dust towers, in particular to a desulfurization and denitrification dust tower.
Background
Along with the development of society, the main utilization mode of coal in China is direct combustion at present, and the huge coal burning amount leads the emission of S02, dust and the like to far exceed the self-cleaning capability of the environment, so that serious soot type atmospheric pollution is caused in a plurality of areas in China; with the development of society, people pay more attention to emission control of the coal-fired pollutants, and the dedusting is gradually increased to desulfurization and denitrification;
the conventional device has the following disadvantages: at present, when the factory is started or malfunctions and needs larger power to work, the flue gas is large, the discharged flue gas cannot be well purified, the flue gas purifying effect is poor, the dust removing tower in the prior art has low purifying efficiency and poor dust removing effect on the flue gas in the desulfurization and denitrification process, and therefore the environmental protection effect is poor. In the desulfurization and denitrification process of the dust removal tower in the prior art, high-temperature flue gas is treated, and a waste heat utilization structure is not arranged, so that the waste of resources is caused. In the desulfurization and denitrification process of the dust removal tower in the prior art, because most of the treatment equipment for the flue gas occupies a large area, has high investment cost and has high operation cost, the desulfurization and denitrification dust removal tower is needed.
Disclosure of Invention
The invention aims to provide a desulfurization, denitrification and dedusting tower for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a SOx/NOx control dust removal tower, including the exchange box, the outer wall fixed mounting of exchange box has the linking box, the last fixed surface of exchange box installs the collecting box, and collecting box outer wall one side fixed mounting has the blow off pipe, fixed mounting has the valve on the blow off pipe simultaneously, the last fixed surface of collecting box installs the water conservancy diversion passageway, and the outer wall both sides of water conservancy diversion passageway all fixed mounting have the pipe, fixed mounting has the valve on the pipe, the other end of pipe all with exchange box fixed connection simultaneously, the port of water conservancy diversion passageway and the equal fixed mounting of inner wall of linking box have the exhaust fan, the water conservancy diversion passageway is being close to one side inside fixed mounting of exhaust fan, the inside of water conservancy diversion passageway is being close to one side inside of collecting box is equipped with two sets of fixing bases, and the quantity of every fixing base is four, the fixing base respectively with the inner wall fixed connection of water conservancy diversion passageway simultaneously, through fastening bolt fixed mounting has annular spray pipe on two sets of fixing bases, simultaneously the inner wall threaded connection of annular spray pipe has a plurality of atomising head, and the top of annular spray pipe that is located the bottom has the gas collecting hood, just the gas collecting hood is located the valve of water conservancy diversion passageway through wire rope connection output tube.
Specifically, a supporting plate is fixedly arranged on one side surface of the outer wall of the exchange box, two liquid storage boxes are respectively and fixedly arranged on the supporting plate, liquid pumps are arranged in the liquid storage boxes, an output pipe is fixedly arranged on the upper end surface of each liquid storage box, the other end of each output pipe is respectively and fixedly connected with two layers of annular spray pipes in a threaded mode, a PLC (programmable logic controller) is fixedly arranged on one side surface of the exchange box opposite to the supporting plate, and meanwhile, the liquid pumps and the exhaust fans are electrically connected with the PLC.
Specifically, the exchange box is divided into bilayer structure, and inner wall, outer wall are equipped with the heating chamber, the inside heating wire that is spiral structure of laminating on the exchange box inner wall outside that is provided with of heating chamber, and outer wall side of exchange box is fixed mounting from top to bottom has inlet tube, outlet pipe in proper order, equal fixed mounting has the valve on inlet tube, the outlet pipe simultaneously, like this not only can cool down high temperature flue gas, but also can utilize high temperature flue gas to heat water, improves the utilization ratio of the energy.
Specifically, the port of the diversion channel is movably embedded with a treatment pipeline, the four corners of the ports on two sides of the treatment pipeline are provided with mounting holes, and meanwhile, the filter element and the exhaust fan are fixedly connected with the treatment pipeline through bolts, and the treatment pipeline and the mounting holes are arranged, so that the filter element and the exhaust fan are convenient to mount and dismount.
Specifically, the filter core is equipped with a plurality of layers, and the filter diameter of filter core reduces to the one side of air exhauster in proper order simultaneously, and the filter core sets up to a plurality of layer, can improve purification treatment effect like this.
Specifically, the bottom surface both sides of the exchange box are all fixedly provided with anti-skidding bars, and simultaneously the anti-skidding bars are all made of rubber materials, and the anti-skidding bars made of rubber materials are used for skid prevention.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the desulfurization and denitrification dedusting tower, a pipeline for conveying smoke is connected with a connecting frame, at the moment, two exhaust fans are started to enable high-temperature smoke to be placed in a heating cavity of an exchange box, cold and heat exchange is carried out, injected cold water is heated, cooled smoke enters a diversion channel along a guide pipe, at the moment, liquid pumps in two liquid storage boxes are started respectively, alkaline solution is pumped out by the liquid pumps, the alkaline solution is sprayed out in spray heads on annular spray pipes of each layer, and the sprayed alkaline solution is mixed with the smoke, so that sulfur dioxide and nitrogen oxides contained in the smoke are removed;
(2) The desulfurization and denitrification dedusting tower is discharged after being filtered by the filter element, and the device has the advantages of better purification treatment effect on flue gas, more environment friendliness, improved energy utilization rate due to the arrangement of the waste heat utilization structure, further reduced cost, small occupied area, low running cost and high energy utilization rate.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a side view partial connection structure of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional top view connection of a flow channel according to the present invention;
FIG. 4 is a schematic cross-sectional top view of a process tunnel according to the present invention;
FIG. 5 is a schematic diagram of a process tunnel port connection structure according to the present invention.
In the figure: 1. a connection frame; 2. a PLC controller; 3. a blow-down pipe; 4. a collection box; 5. a diversion channel; 6. a conduit; 7. a switching box; 8. a water outlet pipe; 9. a water inlet pipe; 10. a heating chamber; 101. heating wires; 11. an exhaust fan; 12. a filter element; 13. a fixing seat; 14. an annular nozzle; 15. a spray head; 16. a support plate; 17. a liquid storage tank; 18. an output pipe; 19. a treatment pipeline; 20. a mounting hole; 21. and a gas collecting hood.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the invention provides a desulfurization and denitrification dedusting tower, which comprises an exchange box 7, wherein a connecting frame 1 is fixedly arranged on the outer wall of the exchange box 7, a collecting box 4 is fixedly arranged on the upper surface of the exchange box 7, a sewage pipe 3 is fixedly arranged on one side of the outer wall surface of the collecting box 4, a valve is fixedly arranged on the sewage pipe 3, a diversion channel 5 is fixedly arranged on the upper surface of the collecting box 4, guide pipes 6 are fixedly arranged on two sides of the outer wall surface of the diversion channel 5, a valve is fixedly arranged on the guide pipes 6, the other ends of the guide pipes 6 are fixedly connected with the exchange box 7, an exhaust fan 11 is fixedly arranged on the port of the diversion channel 5 and the inner wall of the connecting frame 1, a filter element 12 is fixedly arranged in one side close to the exhaust fan 11 of the diversion channel 5, two groups of fixing seats 13 are respectively arranged in one side close to the collecting box 4, the number of each group of fixing seats 13 is four, annular spray pipes 14 are fixedly arranged on the two groups of fixing seats 13 through fastening bolts, the inner wall surfaces of the annular spray pipes 14 are respectively connected with a plurality of spray heads 15 through fastening bolts, the annular spray heads 21 are respectively arranged on the inner wall surfaces of the annular spray pipes 14, and the annular spray heads are arranged on the top of the annular spray pipes 21 and are connected with the top of the annular spray pipes 21 through the valve covers 21, and the top of the spray pipes 21 are arranged on the top of the annular spray heads and are arranged on the inner surfaces;
a support plate 16 is fixedly arranged on one side surface of the outer wall of the exchange box 7, two liquid storage boxes 17 are fixedly arranged on the support plate 16 respectively, liquid pumps are arranged in the liquid storage boxes 17, an output pipe 18 is fixedly arranged on the upper end surface of each liquid storage box 17, the other ends of the output pipes 18 are respectively in threaded connection with annular spray pipes 14 on two layers, a PLC (programmable logic controller) 2 is fixedly arranged on one side surface of the exchange box 7 opposite to the support plate 16, and liquid pumps and an exhaust fan 11 are electrically connected with the PLC 2.
The exchange box 7 is divided into bilayer structure, and inner wall, outer wall are equipped with heating chamber 10, heating chamber 10 inside is provided with the laminating and is spiral structural heating wire 101 on the exchange box 7 inner wall outside, and fixed mounting has inlet tube 9, outlet pipe 8 about the outer wall side of exchange box 7 in proper order, and equal fixed mounting has the valve on inlet tube 9, the outlet pipe 8 simultaneously, not only can cool down high temperature flue gas like this, can also utilize high temperature flue gas to heat water moreover, improves the utilization ratio of the energy.
The port of the diversion channel 5 is movably embedded with a treatment pipeline 19, the four corners of the ports on two sides of the treatment pipeline 19 are respectively provided with a mounting hole 20, meanwhile, the filter element 12 and the exhaust fan 11 are fixedly connected with the treatment pipeline 19 through bolts, and the treatment pipeline 19 and the mounting holes 20 are arranged, so that the filter element 12 and the exhaust fan 11 can be conveniently mounted and dismounted.
The filter core 12 is provided with a plurality of layers, and the filter diameter of the filter core 12 is gradually decreased towards one side of the exhaust fan 11, and the filter core 12 is arranged into a plurality of layers, so that the purifying treatment effect can be improved.
The bottom surface both sides of the exchange box 7 are fixedly provided with anti-skid bars, and the anti-skid bars are made of rubber materials and used for skid prevention.
When the desulfurization and denitrification dedusting tower is particularly used, the whole device is firstly placed at a formulated position, then other components are installed, an alkaline desulfurizing agent and an alkaline denitrifying agent are respectively prepared into solutions and placed in a liquid storage tank 17, then a pipeline for conveying smoke is connected with a connecting frame 1, at the moment, two exhaust fans 11 are started, so that high-temperature smoke is placed in a heating cavity 10 of an exchange box 7, cold and heat exchange is carried out, injected cold water is heated (at the moment, the high-temperature gas can be cooled, the energy utilization rate can be improved), then cooled smoke enters a guide pipe 6 into a guide channel 5, at the moment, liquid pumps in the two liquid storage tanks 17 are respectively started, alkaline solution is pumped out by the liquid pumps, and is sprayed out in spray heads 15 on annular spray pipes 14 of each layer, the sprayed alkaline solution is mixed with the flue gas so as to remove sulfur dioxide and nitrogen oxides contained in the flue gas (the sewage formed at the moment flows into the collecting tank 4 to be collected for later treatment, the sprayed solution is mixed with the gas to cool the flue gas for the second time), the gas collecting hood 21 is arranged at the top of the annular spray pipe 14 at the bottom, the gas collecting hood 21 is connected with a valve in the diversion channel 5 through a steel wire rope, the valve is connected with the output pipe 18, one end of the torsion spring is connected with the valve, the other end of the torsion spring is connected with the steel wire rope, when the flue gas flow generated in the diversion channel 5 is large, the gas collecting hood 21 generates upward vibration under the action of the air flow, the gas collecting hood 21 pulls the steel wire rope to move upwards, so that the valve is enlarged, the valve resets under the action of the torsion spring under the condition that the flue gas is recovered to be normal, thereby realize automatically regulated alkaline solution spun flow, make flue gas purification better, at last after filtering through filter core 12, the discharge (at this moment, set up filter core 12 into a plurality of layers, so make purifying treatment effect better), through the processing of this device, not only to the purifying treatment effect of flue gas better, and more environmental protection moreover to set up waste heat utilization structure, thereby improved the energy utilization, further reduced the cost, have area little, running cost is low, the high characteristics of energy utilization.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a SOx/NOx control dust removal tower, includes exchange box (7), its characterized in that: the outer wall fixed mounting of switch box (7) has connecting frame (1), the last fixed surface of switch box (7) installs collecting box (4), and collecting box (4) outer wall surface one side fixed mounting has blow off pipe (3), simultaneously fixed mounting has valve on blow off pipe (3), the last fixed surface of collecting box (4) installs diversion channel (5), and the outer wall both sides of diversion channel (5) all fixed mounting have pipe (6), fixed mounting has valve on pipe (6), the other end of pipe (6) all with switch box (7) fixed connection simultaneously, the port of diversion channel (5) and the inner wall of connecting frame (1) all fixed mounting have air extraction fan (11), the inside of diversion channel (5) is being close to one side internally fixed mounting of air extraction fan (11) has filter core (12), the inside one side that is close to collecting box (4) of diversion channel (5) is equipped with two sets of fixing bases (13), and the quantity of every fixing base (13) are four, simultaneously fixing bases (13) respectively with the inner wall fixed connection of diversion channel (5), through fastening cover (13) on two sets of fixing bases, install annular nozzle (14) and annular nozzle (14) are located the top of a plurality of spray pipes (14) and are located the annular top of spray pipe (14) and are located at the top of a plurality of the annular nozzle (14), the gas-collecting hood (21) is connected with a valve of which the output pipe (18) is positioned in the diversion channel (5) through a steel wire rope;
a support plate (16) is fixedly arranged on one side surface of the outer wall of the exchange box (7), two liquid storage boxes (17) are respectively and fixedly arranged on the support plate (16), liquid pumps are respectively arranged in the liquid storage boxes (17), an output pipe (18) is fixedly arranged on the upper end surface of each liquid storage box (17), meanwhile, the other end of each output pipe (18) is respectively and spirally connected with two layers of annular spray pipes (14), a PLC (programmable logic controller) is fixedly arranged on one side surface, opposite to the support plate (16), of the exchange box (7), and meanwhile, the liquid pumps and the exhaust fans (11) are electrically connected with the PLC (2);
the exchange box (7) is divided into a double-layer structure, the inner wall and the outer wall are provided with a heating cavity (10), the heating cavity (10) is internally provided with an electric heating wire (101) which is attached to the outer side of the inner wall of the exchange box (7) and is of a spiral structure, a water inlet pipe (9) and a water outlet pipe (8) are sequentially and fixedly arranged on one side face of the outer wall of the exchange box (7) up and down, meanwhile, valves are fixedly arranged on the water inlet pipe (9) and the water outlet pipe (8), an alkaline desulfurizing agent and an alkaline denitrifying agent are respectively made into solutions to be placed in the liquid storage tank (17), a pipeline for conveying smoke is connected with the connecting frame (1), at the moment, two exhaust fans (11) are started, so that the high-temperature smoke is placed in the heating cavity (10) of the exchange box (7), cold and hot water are exchanged, a torsion spring is arranged on the valves, one end of the torsion spring is connected with the valve, and the other end of the torsion spring is connected with the steel wire.
2. The desulfurization, denitrification and dedusting tower according to claim 1, which is characterized in that: the port of the diversion channel (5) is movably embedded with a treatment pipeline (19), mounting holes (20) are formed in four corners of the ports on two sides of the treatment pipeline (19), and meanwhile, the filter element (12) and the exhaust fan (11) are fixedly connected with the treatment pipeline (19) through bolts.
3. The desulfurization, denitrification and dedusting tower according to claim 1, which is characterized in that: the filter element (12) is provided with a plurality of layers, and the filter diameter of the filter element (12) is gradually decreased towards one side of the exhaust fan (11).
4. The desulfurization, denitrification and dedusting tower according to claim 1, which is characterized in that: the two sides of the bottom end surface of the exchange box (7) are fixedly provided with anti-sliding rods, and the anti-sliding rods are made of rubber materials.
CN202011191049.1A 2020-10-30 2020-10-30 Desulfurization and denitrification dedusting tower Active CN112387097B (en)

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CN112387097B true CN112387097B (en) 2023-12-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018040852A1 (en) * 2016-08-30 2018-03-08 成都锐思环保技术股份有限公司 System and method for treating desulfurization wastewater using flue gas waste heat
CN108470513A (en) * 2018-05-31 2018-08-31 重庆品萃广告传媒有限责任公司 A kind of bird room formula signboard structure
CN209271154U (en) * 2018-11-05 2019-08-20 丁昊天 A kind of desulphurization denitration wind pipe being convenient to clean
CN211358340U (en) * 2019-12-24 2020-08-28 黑龙江万德弗尔环境科技有限公司 Novel integrated form flue gas processing system
CN211513828U (en) * 2019-10-30 2020-09-18 刘广志 Boiler waste gas treatment device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018040852A1 (en) * 2016-08-30 2018-03-08 成都锐思环保技术股份有限公司 System and method for treating desulfurization wastewater using flue gas waste heat
CN108470513A (en) * 2018-05-31 2018-08-31 重庆品萃广告传媒有限责任公司 A kind of bird room formula signboard structure
CN209271154U (en) * 2018-11-05 2019-08-20 丁昊天 A kind of desulphurization denitration wind pipe being convenient to clean
CN211513828U (en) * 2019-10-30 2020-09-18 刘广志 Boiler waste gas treatment device
CN211358340U (en) * 2019-12-24 2020-08-28 黑龙江万德弗尔环境科技有限公司 Novel integrated form flue gas processing system

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