CN114602309A - Novel cement plant denitration dust removal pilot scale device - Google Patents
Novel cement plant denitration dust removal pilot scale device Download PDFInfo
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- CN114602309A CN114602309A CN202210269879.4A CN202210269879A CN114602309A CN 114602309 A CN114602309 A CN 114602309A CN 202210269879 A CN202210269879 A CN 202210269879A CN 114602309 A CN114602309 A CN 114602309A
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- 239000000428 dust Substances 0.000 title claims abstract description 79
- 239000004568 cement Substances 0.000 title claims abstract description 25
- 238000011020 pilot scale process Methods 0.000 title description 2
- 239000000779 smoke Substances 0.000 claims abstract description 51
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 40
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 40
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000003546 flue gas Substances 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000001802 infusion Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 33
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 2
- 241000196324 Embryophyta Species 0.000 description 16
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 239000002956 ash Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005213 imbibition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- 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
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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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a novel cement plant denitration and dust removal pilot plant, belonging to the technical field of waste gas treatment equipment; a novel cement plant denitration dust removal pilot plant comprises a base and a tank body, wherein the tank body is vertically and fixedly arranged on the upper surface of the base through a support frame; the gas transmission part comprises a smoke inlet pipe, a smoke guide pipe and a plurality of first disc-shaped pipes; the infusion part comprises a plurality of second coiled pipes, the second coiled pipes are horizontally and fixedly arranged in the tank body through connecting pieces, the second coiled pipes and the first coiled pipes are staggered in the vertical direction, and a plurality of atomizing nozzles are vertically and fixedly arranged at the bottom ends of the second coiled pipes; the dust removal component is used for cleaning ash in the flue gas; the invention effectively solves the problems of poor spraying effect of the existing equipment on ammonia water, insufficient contact between the ammonia water and flue gas, uneven mixing and poor denitration effect.
Description
Technical Field
The invention relates to the technical field of waste gas treatment equipment, in particular to a novel denitration and dust removal pilot plant device for a cement plant.
Background
Flue gas using coal as fuel contains a substance of nitre, particularly in a cement plant, denitration in the cement plant mainly removes nitric oxide in the flue gas, and the substance has great harm to human beings after entering the atmosphere, so that the environment is always promoted in China at present, and at present, SNCR (selective non-catalytic reduction) denitration is the most used denitration in the cement plant in China.
The common mode is to spray ammonia water into the flue gas, so that the ammonia water is in full contact with and reacts with nitrogen oxides in the flue gas, the nitrogen oxides in the flue gas are removed, the spraying effect of the existing equipment on the ammonia water is poor, the ammonia water is not in full contact with the flue gas, the mixing is not uniform, and the denitration effect is poor.
Disclosure of Invention
1. Technical problems to be solved by the invention
The invention aims to provide a novel denitration and dust removal pilot plant device for a cement plant, which aims to solve the problems in the background technology:
the spraying effect of the existing equipment to the ammonia water is poor, the ammonia water is not in sufficient contact with the flue gas, the mixing is not uniform, and the denitration effect is poor.
2. Technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a novel cement plant denitration dust removal pilot plant comprises,
the tank body is vertically and fixedly arranged on the upper surface of the base through a support frame;
the liquid conveying component is used for conveying ammonia water into the tank body;
the gas transmission component is used for guiding in flue gas, the gas transmission component comprises a smoke inlet pipe, a smoke guide pipe and a plurality of first coiled pipes, the smoke guide pipe is vertically and rotatably mounted in the tank body through two first sealing bearings, the smoke inlet pipe is vertically and rotatably sleeved at the top end of the smoke guide pipe through a second sealing bearing, the first coiled pipes are horizontally arranged in the tank body, the inner ends of the first coiled pipes are fixedly connected and communicated with the smoke guide pipe, and the pipe walls of the first coiled pipes are provided with a plurality of flow guide holes;
the infusion part comprises a plurality of second coiled pipes, the second coiled pipes are horizontally and fixedly arranged in the tank body through connecting pieces, the second coiled pipes and the first coiled pipes are staggered in the vertical direction, and a plurality of atomizing nozzles are vertically and fixedly arranged at the bottom ends of the second coiled pipes;
the dust removal component is used for cleaning ash in the flue gas;
a recovery component for recovering ammonia water.
To aqueous ammonia pressurization transport, be convenient for spray, it is preferred, infusion part still includes liquid storage pot, pipette, the pump body, fluid-discharge tube and many honeycomb ducts, the perpendicular fixed mounting of liquid storage pot is on the base upper surface, the perpendicular fixed mounting of pump body is on the base upper surface, the pipette both ends switch on with inside and the pump body input fixed connection of liquid storage pot respectively, the perpendicular fixed mounting of fluid-discharge tube is at pump body output end, many the equal level fixed cover of honeycomb duct is connected at a jar side wall, and one end all switches on with fluid-discharge tube fixed connection, many the one end that the honeycomb duct was kept away from to the honeycomb duct switches on with many second dish type outside of tubes fixed connection respectively, the inside disturbance part that is equipped with of one end that the pipette is located the liquid storage pot.
The dust collection component comprises a dust collection cover, a dust collection device and a dust collection pipe, the dust collection cover is fixedly sleeved on the smoke guide pipe and is vertically provided with a plurality of filter holes, the dust collection device is fixedly installed on the upper surface of the base, the dust collection pipe is fixedly sleeved on the side wall of the tank body, the outer end of the dust collection pipe is fixedly connected and communicated with the input end of the dust collection device, and the pipe section of the dust collection pipe in the tank body is in sliding contact with the inner wall of the dust collection cover and is provided with a dust collection port.
Carry out the disturbance to the aqueous ammonia and mix, it is preferred, the disturbance part includes pivot, support, first turbine and a plurality of stirring rake, the support vertical fixation cup joints in the imbibition pipe, the pivot level is rotated and is cup jointed in the support, the fixed one end that is located the imbibition pipe in the pivot of cup jointing of first turbine is fixed, and is a plurality of the stirring rake is all fixed cup joints the one end that is located the jar body in the pivot.
Retrieve the aqueous ammonia of using to receive, utilization ratio is promoted, and is preferred, retrieve the part and include reaction unit, first back flow pipe and second back flow, reaction unit fixed mounting is on the base upper surface, jar body bottom is equipped with increases the part, first back flow pipe both ends switch on with pressure boost part bottom and reaction unit input fixed connection respectively, second back flow pipe both ends switch on with reaction unit output and jar body fixed connection respectively.
And upward airflow is applied to ensure that the flue gas and the ammonia water are mixed more fully, preferably, the top end of the tank body is vertically and fixedly sleeved with a smoke exhaust pipe, the smoke guide pipe is fixedly sleeved with an impeller, and the impeller is positioned at the bottom side of the dust collection cover.
3. Advantageous effects
(1) According to the invention, the ammonia water is sprayed by the infusion part, the flue gas is conveyed by the gas conveying part, and the first disc-shaped pipe and the second disc-shaped pipe are matched to run, so that the flue gas and the ammonia water can be fully contacted and mixed, the reaction can be fully carried out, and the denitration effect can be improved;
(2) the invention sprays the flue gas through the liquid conveying component, the ammonia water is in full contact reaction with the flue gas, and simultaneously, the ammonia water soaks and settles ash in the flue gas to make the ash fall on the dust collecting cover, move to the dust collection pipe along with the rotation of the smoke guide pipe and finally be sucked out by the dust collection device, thereby achieving the effect of dust collection;
(3) according to the invention, unreacted ammonia water is recycled through the recycling component, and is re-modulated through the reaction device to be recovered to the standard concentration, and is re-introduced into the liquid storage tank, so that the component is disturbed to operate, the unreacted ammonia water is fully mixed with the ammonia water in the liquid storage tank, and the utilization rate of the ammonia water can be improved.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of a novel denitration and dust removal pilot plant of a cement plant provided by the invention;
FIG. 2 is a schematic view of a three-dimensional cross-sectional structure of a novel denitration and dust removal pilot plant of a cement plant according to the present invention;
FIG. 3 is a schematic structural view of a front cross section of a novel denitration and dust removal pilot plant of a cement plant according to the present invention;
FIG. 4 is an enlarged view of a structure at the position A in FIG. 2 of the novel denitration and dust removal pilot plant of the cement plant provided by the invention;
FIG. 5 is an enlarged view of a structure B in FIG. 3 of the novel denitration and dust removal pilot plant of the cement plant provided by the invention;
FIG. 6 is an enlarged view of a structure at the position C in FIG. 3 of the novel denitration and dust removal pilot plant for a cement plant provided by the invention;
fig. 7 is an enlarged view of a structure at a position D in fig. 3 of the novel denitration and dust removal pilot plant of the cement plant.
In the figure: 1. a base; 2. a tank body; 3. a support frame; 4. a smoke inlet pipe; 5. a smoke guide pipe; 6. a first coil pipe; 7. a first sealed bearing; 8. a second sealed bearing; 9. a flow guide hole; 10. a second coil pipe; 11. a connecting member; 12. an atomizing spray head; 13. a liquid storage tank; 14. a pipette; 15. a pump body; 16. a liquid discharge pipe; 17. a flow guide pipe; 18. a dust collection cover; 19. a dust collection device; 20. a dust collection pipe; 21. filtering holes; 22. a dust suction port; 23. an electric motor; 24. a first gear; 25. a second gear; 26. a rotating shaft; 27. a support; 28. a first turbine; 29. a stirring paddle; 30. a reaction device; 31. a first return pipe; 32. a second return pipe; 33. a second turbine; 34. a flow-collecting hood; 35. a drain hole; 36. a smoke exhaust pipe; 37. an impeller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-7, a novel cement plant denitration dust removal pilot plant comprises,
the tank body 2 is vertically and fixedly arranged on the upper surface of the base 1 through a support frame 3;
a liquid feeding part for feeding ammonia water into the tank 2;
the gas transmission component is used for guiding in flue gas, and comprises a smoke inlet pipe 4, a smoke guide pipe 5 and a plurality of first disc-shaped pipes 6, wherein the smoke guide pipe 5 is vertically and rotatably installed in the tank body 2 through two first sealing bearings 7, the smoke inlet pipe 4 is vertically and rotatably sleeved at the top end of the smoke guide pipe 5 through a second sealing bearing 8, the first disc-shaped pipes 6 are horizontally arranged in the tank body 2, the inner ends of the first disc-shaped pipes are fixedly connected and communicated with the smoke guide pipe 5, and the pipe walls of the first disc-shaped pipes 6 are provided with a plurality of flow guide holes 9;
the infusion part comprises a plurality of second coil pipes 10, the second coil pipes 10 are horizontally and fixedly installed in the tank body 2 through connecting pieces 11, the second coil pipes 10 and the first coil pipes 6 are arranged in a staggered mode in the vertical direction, and a plurality of atomizing nozzles 12 are vertically and fixedly installed at the bottom ends of the second coil pipes 10;
the dust removal component is used for cleaning ash in the flue gas;
a recovery part for recovering ammonia water;
the driving part is used for driving the smoke guide pipe 5 to rotate, the driving part comprises a motor 23, a first gear 24 and a second gear 25, the first gear 24 is fixedly sleeved on the smoke guide pipe 5, the motor 23 is fixedly installed on the upper surface of the tank body 2, and the second gear 25 is fixedly sleeved on an output shaft of the motor 23 and is in meshed connection with the first gear 24.
The infusion part still includes liquid storage pot 13, pipette 14, the pump body 15, fluid-discharge tube 16 and many honeycomb ducts 17, the perpendicular fixed mounting of liquid storage pot 13 is at the 1 upper surface of base, the perpendicular fixed mounting of the pump body 15 is at the 1 upper surface of base, pipette 14 both ends switch on with the inside and the pump body 15 input fixed connection of liquid storage pot 13 respectively, the perpendicular fixed mounting of fluid-discharge tube 16 is at the 15 output of the pump body, the equal horizontal fixed cup joint of many honeycomb ducts 17 is at jar body 2 lateral walls, and one end all switches on with fluid-discharge tube 16 fixed connection, many honeycomb ducts 17 keep away from the one end of honeycomb duct 17 and switch on with many second dish type pipe 10 outer end fixed connection respectively, pipette 14 is located the inside disturbance part that is equipped with of one end in the liquid storage pot 13.
The top end of the tank body 2 is vertically fixedly sleeved with a smoke exhaust pipe 36, the top end of the smoke exhaust pipe 36 is connected and communicated with other equipment to perform next treatment on smoke, the smoke guide pipe 5 is fixedly sleeved with an impeller 37, the impeller 37 is positioned at the bottom side of the dust collection cover 18, the impeller 37 can rotate along with the smoke guide pipe 5 to push the smoke upwards, and meanwhile, the ammonia water generates upward resistance to prolong the falling time of the smoke exhaust pipe, so that the smoke exhaust pipe is in contact with the smoke for a longer time, and the reaction is more sufficient.
When denitration is performed on flue gas generated in the production process of a cement plant, the flue gas enters the smoke guide pipe 5 from the smoke inlet pipe 4, enters the first disc-shaped pipes 6 through the smoke guide pipe 5, is finally discharged from the flow guide holes 9 on the first disc-shaped pipes 6 in a dispersing manner, the pump body 15 operates, ammonia water is extracted from the liquid storage tank 13 through the pipette 14, is discharged into the flow guide pipes 17 through the liquid discharge pipe 16, then enters the second disc-shaped pipes 10 from the flow guide pipes 17 respectively, is finally sprayed out from the atomizing nozzles 12 to be mixed with the flue gas, reaction denitration is performed, meanwhile, the motor 23 operates, an output shaft of the motor drives the second gear 25 to rotate, the second gear 25 drives the first gear 24 meshed with the second gear to rotate, so that the smoke guide pipe 5 rotates under the support of the two second sealed bearings 8, the smoke guide pipe 5 drives the first disc-shaped pipes 6 to rotate, and when smoke is discharged, can stir the mixture of flue gas and aqueous ammonia, make its more abundant that mixes to carry out more thorough reaction, improve the denitration effect.
Example 2: the difference is based on example 1; the dust removal part comprises a dust hood 18, a dust suction device 19 and a dust suction pipe 20, the dust hood 18 is fixedly sleeved on the smoke guide pipe 5 and is vertically provided with a plurality of filter holes 21, the filter holes 21 are convenient for ammonia water to fall, the dust suction device 19 is fixedly arranged on the upper surface of the base 1, the dust suction pipe 20 is fixedly sleeved on the side wall of the tank body 2, the outer end of the dust suction pipe is fixedly connected and communicated with the input end of the dust suction device 19, and a pipe section of the dust suction pipe 20, which is positioned in the tank body 2, is in sliding contact with the inner wall of the dust hood 18 and is provided with a dust suction opening 22.
Ammonia water and flue gas mix and react simultaneously, can soak the ashes in the flue gas, have the effect of subsiding, make it fall on dust cage 18, dust cage 18 rotates along with the rotation of leading tobacco pipe 5, drives the ashes and rotates to make ashes held back by dust absorption pipe 20, dust extraction 19 operates, inhales the ashes through dust absorption mouth 22 on the dust absorption pipe 20, thereby when realizing the denitration, removes dust to the flue gas.
Example 3: the difference is based on example 1; the disturbance component comprises a rotating shaft 26, a support 27, a first turbine 28 and a plurality of stirring paddles 29, wherein the support 27 is vertically and fixedly sleeved in the liquid suction pipe 14, the rotating shaft 26 is horizontally and rotatably sleeved in the support 27, the first turbine 28 is fixedly sleeved at one end of the rotating shaft 26 in the liquid suction pipe 14, and the stirring paddles 29 are fixedly sleeved at one end of the rotating shaft 26 in the tank body 2.
The recovery part comprises a reaction device 30, a first return pipe 31 and a second return pipe 32, the reaction device 30 is fixedly installed on the upper surface of the base 1, the bottom of the tank body 2 is provided with a boosting part, two ends of the first return pipe 31 are fixedly connected and communicated with the bottom end of the boosting part and the input end of the reaction device 30 respectively, and two ends of the second return pipe 32 are fixedly connected and communicated with the output end of the reaction device 30 and the tank body 2 respectively.
The supercharging component comprises a second turbine 33 and a flow collecting cover 34, the second turbine 33 is fixedly sleeved at the bottom end of the smoke guide pipe 5, the flow collecting cover 34 is fixedly sleeved at the bottom end of the tank body 2, and a plurality of liquid discharge holes 35 are vertically formed in the bottom end of the tank body 2.
The ammonia water that falls will concentrate in the jar body 2 bottom, and fall into the mass flow cover 34 through outage 35, the rotation of guide smoke pipe 5, drive second turbine 33, second turbine 33 leads to the ammonia water into reaction unit 30 through first back flow pipe 31, reaction unit 30 handles the ammonia water of backward flow, make its concentration accord with the operation standard, and discharge into liquid storage pot 13 again through second back flow pipe 32, pump body 15 operates and sucks the ammonia water, the ammonia water flows and strikes first turbine 28, first turbine 28 drives pivot 26 and rotates in support 27, pivot 26 drives a plurality of stirring rake 29 at liquid storage pot 13, rotate the ammonia water, make the ammonia water homogeneous mixing after the recovery processing and the ammonia water that does not use, so as to use, through this kind of mode, can promote the utilization ratio of ammonia water.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. A novel cement plant denitration dust removal pilot plant comprises a base (1) and a tank body (2), wherein the tank body (2) is vertically and fixedly installed on the upper surface of the base (1) through a support frame (3);
a liquid feeding part for feeding ammonia water into the tank (2);
gas transmission part, its characterized in that: the gas transmission component is used for guiding in flue gas, the gas transmission component comprises a smoke inlet pipe (4), a smoke guide pipe (5) and a plurality of first disc-shaped pipes (6), the smoke guide pipe (5) is vertically and rotatably installed in the tank body (2) through two first sealing bearings (7), the smoke inlet pipe (4) is vertically and rotatably sleeved at the top end of the smoke guide pipe (5) through a second sealing bearing (8), the first disc-shaped pipes (6) are horizontally arranged in the tank body (2), the inner ends of the first disc-shaped pipes are fixedly connected and communicated with the smoke guide pipe (5), and the pipe walls of the first disc-shaped pipes (6) are provided with a plurality of flow guide holes (9);
the infusion part comprises a plurality of second disc-shaped pipes (10), the second disc-shaped pipes (10) are horizontally and fixedly installed in the tank body (2) through connecting pieces (11), the second disc-shaped pipes (10) and the first disc-shaped pipes (6) are arranged in a staggered mode in the vertical direction, and a plurality of atomizing nozzles (12) are vertically and fixedly installed at the bottom ends of the second disc-shaped pipes (10);
the dust removal component is used for cleaning ash in the flue gas;
a recovery unit for recovering ammonia water;
the driving part is used for driving the smoke guide pipe (5) to rotate.
2. The novel cement plant denitration and dust removal pilot plant device as claimed in claim 1, is characterized in that: the transfusion component also comprises a liquid storage tank (13), a liquid suction pipe (14), a pump body (15), a liquid discharge pipe (16) and a plurality of guide pipes (17), the liquid storage tank (13) is vertically and fixedly arranged on the upper surface of the base (1), the pump body (15) is vertically and fixedly arranged on the upper surface of the base (1), two ends of the pipette (14) are respectively fixedly connected and communicated with the inside of the liquid storage tank (13) and the input end of the pump body (15), the liquid discharge pipe (16) is vertically and fixedly arranged at the output end of the pump body (15), the plurality of the guide pipes (17) are horizontally and fixedly sleeved on the side wall of the tank body (2), one end of each guide pipe (17) is fixedly connected and communicated with the liquid discharge pipe (16), one end of each guide pipe (17) far away from the guide pipe (17) is respectively fixedly connected and communicated with the outer ends of the second disc-shaped pipes (10), and a disturbing part is arranged in one end of the pipette (14) positioned in the liquid storage tank (13).
3. The novel cement plant denitration and dust removal pilot plant device as claimed in claim 1, is characterized in that: the dust removal component comprises a dust collection cover (18), a dust suction device (19) and a dust suction pipe (20), the dust collection cover (18) is fixedly sleeved on the smoke guide pipe (5) and is vertically provided with a plurality of filter holes (21), the dust suction device (19) is fixedly installed on the upper surface of the base (1), the dust suction pipe (20) is fixedly sleeved on the side wall of the tank body (2), the outer end of the dust suction pipe is fixedly connected and communicated with the input end of the dust suction device (19), and a pipe section of the dust suction pipe (20) located in the tank body (2) is in sliding contact with the inner wall of the dust collection cover (18) and is provided with a dust suction port (22).
4. The novel cement plant denitration and dust removal pilot plant device of claim 2 is characterized in that: the disturbance part comprises a rotating shaft (26), a support (27), a first turbine (28) and a plurality of stirring paddles (29), wherein the support (27) is vertically fixedly sleeved in the liquid suction pipe (14), the rotating shaft (26) is horizontally and rotatably sleeved in the support (27), the first turbine (28) is fixedly sleeved at one end of the rotating shaft (26) in the liquid suction pipe (14), and the stirring paddles (29) are fixedly sleeved at one end of the rotating shaft (26) in the tank body (2).
5. The novel cement plant denitration and dust removal pilot plant device as claimed in claim 1, is characterized in that: the recycling component comprises a reaction device (30), a first return pipe (31) and a second return pipe (32), the reaction device (30) is fixedly installed on the upper surface of the base (1), the bottom of the tank body (2) is provided with an increasing component, two ends of the first return pipe (31) are respectively communicated with the bottom end of the pressurizing component and the input end of the reaction device (30), and two ends of the second return pipe (32) are respectively communicated with the output end of the reaction device (30) and the tank body (2).
6. The novel cement plant denitration and dust removal pilot plant device as claimed in claim 1, is characterized in that: the top end of the tank body (2) is vertically and fixedly sleeved with a smoke exhaust pipe (36), the smoke guide pipe (5) is fixedly sleeved with an impeller (37), and the impeller (37) is positioned at the bottom side of the dust collection cover (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269879.4A CN114602309B (en) | 2022-03-18 | 2022-03-18 | Novel cement plant denitration dust removal pilot plant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210269879.4A CN114602309B (en) | 2022-03-18 | 2022-03-18 | Novel cement plant denitration dust removal pilot plant device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114602309A true CN114602309A (en) | 2022-06-10 |
| CN114602309B CN114602309B (en) | 2023-06-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118270870A (en) * | 2024-06-04 | 2024-07-02 | 西安国际医学中心有限公司 | Medical obstetrical surgery waste liquid cleaning device |
| CN119174992A (en) * | 2024-11-25 | 2024-12-24 | 太仓市施美电镀有限公司 | Waste gas purifying treatment equipment and electroplating waste gas purifying treatment method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118270870A (en) * | 2024-06-04 | 2024-07-02 | 西安国际医学中心有限公司 | Medical obstetrical surgery waste liquid cleaning device |
| CN119174992A (en) * | 2024-11-25 | 2024-12-24 | 太仓市施美电镀有限公司 | Waste gas purifying treatment equipment and electroplating waste gas purifying treatment method |
| CN119174992B (en) * | 2024-11-25 | 2025-03-28 | 太仓市施美电镀有限公司 | Waste gas purification equipment and electroplating waste gas purification method |
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