CN117298849B - Domestic waste burns flue gas dechlorination device - Google Patents
Domestic waste burns flue gas dechlorination device Download PDFInfo
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- CN117298849B CN117298849B CN202311623109.6A CN202311623109A CN117298849B CN 117298849 B CN117298849 B CN 117298849B CN 202311623109 A CN202311623109 A CN 202311623109A CN 117298849 B CN117298849 B CN 117298849B
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- water
- smoke
- filter screen
- disc
- lime
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000003546 flue gas Substances 0.000 title claims abstract description 58
- 238000006298 dechlorination reaction Methods 0.000 title claims abstract description 8
- 239000010791 domestic waste Substances 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 86
- 239000000779 smoke Substances 0.000 claims abstract description 65
- 239000003595 mist Substances 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 13
- 239000007921 spray Substances 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 21
- 239000013049 sediment Substances 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 11
- 238000000227 grinding Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 241000208125 Nicotiana Species 0.000 claims description 6
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 6
- 239000012634 fragment Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims 2
- 239000011324 bead Substances 0.000 description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 238000007599 discharging Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000006386 neutralization reaction Methods 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000000382 dechlorinating effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- -1 this easily Chemical compound 0.000 description 1
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
- B01D53/74—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
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/52—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D33/54—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- 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
- B01D53/68—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/40—Filters located upstream of the spraying outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- 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
- B01D2258/0291—Flue gases from waste incineration plants
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (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 discloses a household garbage incineration flue gas dechlorination device, which belongs to the field of flue gas treatment and comprises a water tank and a reaction tower, wherein the reaction tower is arranged above the water tank, the upper end of the reaction tower is provided with a smoke inlet pipe, the side surface of the reaction tower is close to the lower end and is provided with a smoke exhaust pipe, the upper surface of the water tank is provided with a water pump, the water outlet of the water pump is connected with a flow guide pipe, and the water inlet of the water pump is communicated with the interior of the water tank; the inner wall of reaction tower is close to upper end position and is connected with the disc, the disc is the shell design, honeycomb duct and the inside intercommunication of disc each other, the inside of disc is provided with a plurality of evenly distributed's drainage mechanism, drainage mechanism is used for drainage flue gas and lime water smoke. The automatic proportioning of the corresponding smoke ratio according to the sprayed lime water mist can be realized, and the problem that the chloride in the smoke is not thoroughly reacted due to the fact that a large amount of smoke reacts with a small amount of lime water mist can be avoided.
Description
Technical Field
The invention relates to the field of flue gas treatment, in particular to a household garbage incineration flue gas dechlorination device.
Background
The domestic garbage is generally treated by two treatment modes of landfill and incineration, wherein a large amount of flue gas is generated when the garbage is incinerated, and a large amount of toxic gas is contained in the flue gas, for example, organic garbage such as incineration plastic, artificial cotton and the like, and the garbage can be decomposed at high temperature to generate toxic gas such as hydrogen chloride and the like, so that chloride is formed, and the chloride is discharged into the air to seriously pollute the air and also influence the health of surrounding living bodies, so that the discharged flue gas needs to be purified when the garbage is incinerated.
In the prior art, the flue gas is generally treated by adopting a wet method, and the flue gas passes through an alkaline environment so as to perform a neutralization reaction, and meanwhile, chloride substances and other substances contained in the flue gas are separated, for example, a household garbage incineration high-chlorine multi-component flue gas purifying device disclosed in China patent publication No. is: CN206215020U, in the publication, through the contact of flue gas and lime water to acid gas and chloride in the flue gas are got rid of in taking place neutralization reaction, in the publication, direct flue gas and lime water together discharge to the reaction tower in react, lead to the fact the flue gas to contact inadequately with lime water like this easily, thereby influence reaction rate, make the flue gas unable to carry out neutralization reaction with lime water, cause the residual of chloride substance in the flue gas of discharge.
In view of the above-mentioned shortcomings, the present invention is based on the improvement and optimization of the flue gas treatment equipment in the prior art, and a device for dechlorinating the flue gas generated by incineration of household garbage is developed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a household garbage incineration flue gas dechlorination device which can automatically proportion the corresponding flue gas proportion according to the sprayed lime water mist and can avoid the problem that a large amount of flue gas reacts with a small amount of lime water mist to cause incomplete reaction of chlorides in the flue gas.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a domestic waste burns flue gas dechlorination device, includes pond and reaction tower, the reaction tower is installed in the top of pond, the upper end of reaction tower is installed and is advanced the tobacco pipe, the side surface of reaction tower is close to the lower extreme position and is installed and discharge the tobacco pipe, the upper surface of pond is installed the water pump, the delivery port department of water pump is connected with the honeycomb duct, the water inlet department of water pump communicates with the inside of pond;
the inner wall of the reaction tower is connected with a disc close to the upper end, the disc is of a hollow shell design, the flow guide pipe is communicated with the inside of the disc, a plurality of evenly distributed drainage mechanisms are arranged in the disc and used for guiding flue gas and lime water mist;
the external part of the drainage mechanism is provided with a grinding mechanism which is used for grinding particles in lime water;
The lower part of the drainage mechanism is provided with a mixing mechanism which is used for uniformly mixing the flue gas and lime water mist.
Further, the drainage mechanism is used for guiding the flue gas and lime water mist and comprises a rotating cylinder, an I-shaped ring, a water spray head, a first limiting ring and a second limiting ring;
The inside of disc runs through and is provided with a plurality of evenly distributed's a rotation section of thick bamboo, the lateral wall and the disc rotation of a rotation section of thick bamboo are connected, the lower extreme fixedly connected with first spacing ring of a rotation section of thick bamboo, the upper end fixedly connected with second spacing ring of a rotation section of thick bamboo, the inner wall side fixedly connected with worker shape ring of a rotation section of thick bamboo, the lower terminal surface fixedly connected with evenly distributed's sprinkler bead of worker shape ring, the sprinkler bead communicates each other through the lateral wall of a rotation section of thick bamboo and the inside of disc.
Further, the sprinkler bead is annular distribution, the sprinkler bead is slope installation, the interior round side fixedly connected with flabellum of I-shaped ring, the flabellum is used for promoting the air current downwardly flowing.
Further, the grinding mechanism comprises a filter screen and a friction plate, wherein the filter screen is arranged at the center of the side wall of the rotating cylinder and is in an annular structural design, the filter screen is made of hard materials, the friction plate is arranged at the side wall of the filter screen, and the upper end and the lower end of the friction plate are fixedly connected with the inner wall of the disc.
Further, a groove hole is formed in the side wall of the friction plate, an elastic sheet is fixedly connected to the inner wall of the left end of the groove hole, a plurality of evenly distributed jacks are fixedly connected to the outer circular surface of the filter screen, and one side of each jack is of an arc-shaped structural design.
Further, the mixing mechanism comprises a gear, a conical block and a blade; the lower surface of disc is close to the position rotation of first spacing ring and is connected with multiunit gear, the gear is connected with the side meshing of first spacing ring, the lower extreme fixedly connected with taper block of gear, the lateral surface fixedly connected with evenly distributed's of taper block paddle.
Further, the diameter ratio of the first limiting ring to the diameter of the gear is 5:1.
Further, the inner wall fixedly connected with filter cotton of the tobacco pipe of discharging fume, the inner wall of the tobacco pipe of discharging fume is located the right side position fixedly connected with bullet needle piece of filter cotton, the side surface of bullet needle piece sets up with filter cotton contact.
Further, transparent glass is arranged on the upper surface of the water tank, the transparent glass is used for observing the inside of the water tank, a door plate is arranged on the upper surface of the water tank, close to the transparent glass, and a handle is arranged on the door plate.
Further, a baffle plate is arranged on the inner wall of the water tank close to the right end and corresponds to the position of the reaction tower for collecting reaction sediment, and the baffle plate is obliquely downwards arranged.
Compared with the prior art, the invention has the beneficial effects that:
(1) The scheme can realize the smoke ratio corresponding to the automatic proportioning of the sprayed lime water mist, and can avoid the problem that the chloride in the smoke is not thoroughly reacted due to the reaction of a large amount of smoke and a small amount of lime water mist.
(2) According to the scheme, the surface of the filter screen can continuously rub the particles, the particles can be gradually ground to be small and pulverized, and finally the particles can pass through the filter screen, so that the problem that the filter screen is blocked by accumulation of the particles and water spraying of the water spraying head is influenced is avoided.
(3) This scheme rotates through the drive toper piece, can drive flue gas and lime water smoke and stir when rotating to produce the vortex, thereby make flue gas and lime water smoke carry out abundant contact, thoroughly more to the purification of flue gas.
(4) When this scheme filter screen rotates, the shell fragment can strike the filter screen constantly, makes the filter screen produce vibrations to get rid of the impurity of card in the filter screen mesh, avoid the mesh to block up, influence the circulation of lime wash.
Drawings
FIG. 1 is an overall structural external view of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a view showing the upper surface of the disk of the present invention;
FIG. 4 is a bottom view of the disk of the present invention;
FIG. 5 is an external view of the drainage mechanism of the present invention;
FIG. 6 is a half cross-sectional view of a drainage mechanism of the present invention;
FIG. 7 is an internal cross-sectional view of the drainage mechanism of the present invention;
FIG. 8 is a bottom view of the drainage mechanism of the present invention;
fig. 9 is a semi-sectional view of the interior of the smoke evacuation tube of the present invention.
The reference numerals in the figures illustrate:
1. A pool; 2. a reaction tower; 3. a smoke inlet pipe; 4. a smoke exhaust pipe; 5. a water pump; 6. a flow guiding pipe; 7. a disc; 8. a rotating cylinder; 9. an I-shaped ring; 10. a water spray head; 11. a fan blade; 12. a filter screen; 13. a friction plate; 14. a plug; 15. a spring plate; 16. a gear; 17. a conical block; 18. a paddle; 19. a first stop collar; 20. a second limiting ring; 21. filtering cotton; 22. spring the needle sheet; 23. a deflector; 24. transparent glass; 25. a door panel; 26. a handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Referring to fig. 1 to 6, a household garbage incineration flue gas dechlorination device comprises a water tank 1 and a reaction tower 2, wherein the reaction tower 2 is arranged above the water tank 1, a smoke inlet pipe 3 is arranged at the upper end of the reaction tower 2, a smoke exhaust pipe 4 is arranged at the position, close to the lower end, of the side surface of the reaction tower 2, a water pump 5 is arranged on the upper surface of the water tank 1, a water outlet of the water pump 5 is connected with a flow guide pipe 6, and a water inlet of the water pump 5 is communicated with the interior of the water tank 1;
The inner wall of the reaction tower 2 is connected with a disc 7 near the upper end, the disc 7 is in a blank shell design, the flow guide pipe 6 is communicated with the inside of the disc 7, a plurality of uniformly distributed flow guide mechanisms are arranged in the disc 7 and used for guiding flue gas and lime water mist, and each flow guide mechanism comprises a rotating cylinder 8, an I-shaped ring 9, a water spray head 10, a first limiting ring 19 and a second limiting ring 20;
the inside of disc 7 runs through and is provided with a plurality of evenly distributed's a rotation section of thick bamboo 8, and the lateral wall and the disc 7 rotation of a rotation section of thick bamboo 8 are connected, and the lower extreme fixedly connected with first spacing ring 19 of a rotation section of thick bamboo 8, the upper end fixedly connected with second spacing ring 20 of a rotation section of thick bamboo 8, the inner wall side fixedly connected with worker shape ring 9 of a rotation section of thick bamboo 8, the lower terminal surface fixedly connected with evenly distributed's of worker shape ring 9 sprinkler bead 10, sprinkler bead 10 communicates each other through the lateral wall of a rotation section of thick bamboo 8 and the inside of disc 7.
When the flue gas that needs to be handled and burn, at first, the exhaust port that burns burning furnace is connected with advance tobacco pipe 3, the flue gas that produces when burning in the burning furnace can enter into reaction tower 2, and assemble in the upper end of disc 7, the lime water or other alkaline liquid is equipped with in pond 1, pump 5 draws the lime water in the pond 1 through the pipe, the filter screen is installed to the lower extreme of pipe, be used for filtering lime water, pump 5 draws lime water and carries out the transport through honeycomb duct 6, the lime water in the honeycomb duct 6 can be carried to the inside of disc 7, finally enter into in the worker's ring 9, and spout from sprinkler bead 10, sprinkler bead 10 blowout atomized lime water, the air current high-speed flow of sprinkler bead 10 department is according to the Berli principle, the velocity of flow is low, the pressure of sprinkler bead 10 department is less than the pressure of disc 7 top, high-pressure flows to low-pressure department, the flue gas that the disc 7 top assembled can be quick through the department of worker's ring 9, flow down and thus carry out the contact mix with the lime water smoke that spouts that is spouted, thereby neutralization reaction, get rid of acid substance and chloride in the pipe diameter, the sediment can form the sediment and can be discharged from the bottom of the flue gas pipe 1 after the sediment, the reaction can be formed from the bottom can be handled to the stack gas.
As shown in fig. 5 to 8, the sprinkler bead 10 is distributed in a ring shape, the sprinkler bead 10 is installed in an inclined manner, the inner circular side surface of the i-shaped ring 9 is fixedly connected with a fan blade 11, and the fan blade 11 is used for pushing the air flow to flow downwards.
The sprinkler head 10 can give the reverse thrust to the H-shaped ring 9 when injecting high-speed water flow, the H-shaped ring 9, the rotary cylinder 8 and the fan blades 11 are driven to rotate together under the pushing of a plurality of groups of sprinkler heads 10, the fan blades 11 can accelerate the downward circulation of the smoke above the disc 7 when rotating, the more lime water is extracted in unit time of the water pump 5, the faster the flow speed at the sprinkler head 10 is, the greater the reverse thrust is generated, the faster the fan blades 11 rotate, and the faster the smoke downward flow speed is accelerated; the lime water extracted by the water pump 5 in unit time is less, the flow speed of the water spray head 10 is reduced, the generated reverse thrust is reduced, the rotation speed of the fan blades 11 is reduced, the downward flow speed of the smoke is reduced, the proportion of the corresponding smoke can be automatically proportioned according to the sprayed lime water mist, the problem that chloride in the smoke is not thoroughly reacted due to the fact that a large amount of smoke reacts with a small amount of lime water mist can be avoided, in addition, the smoke exhaust pipe 4 is internally provided with the gas sensor for monitoring whether the discharged gas meets the discharge standard, if the flow speed of the smoke discharged by the incinerator is high, the original lime water mist cannot well purify the smoke, that is, the lime water mist does not well purify the smoke, at the moment, the output water flow of the water pump 5 can be correspondingly improved, the problem that the lime water mist can well purify the smoke, the concentration of the lime water mist can be correspondingly improved, namely, the reaction efficiency of the lime water mist and the smoke can be improved, and the proper proportion of the lime water mist can be guaranteed.
As shown in fig. 5 to 8, the outside of the drainage mechanism is provided with a grinding mechanism, the grinding mechanism is used for grinding particles in lime water, the grinding mechanism comprises a filter screen 12 and a friction plate 13, the filter screen 12 is installed at the center of the side wall of the rotary cylinder 8, the filter screen 12 is in an annular structure design, the filter screen 12 is made of hard materials, the friction plate 13 is arranged at the side wall of the filter screen 12, and the upper end and the lower end of the friction plate 13 are fixedly connected with the inner wall of the disc 7.
Lime water in the disc 7 can be filtered through the filter screen 12 when flowing to the sprinkler bead 10 department to filter the particulate matters in the lime water, avoid these particulate matters to block up the sprinkler bead 10, when spouting the water smoke, the filter screen 12 can rotate along with rotating barrel 8 is synchronous, the particulate matters that fall can be attached to the surface of filter screen 12, rotate along with filter screen 12 is synchronous, remove to friction plate 13 department at last, the particulate matters can receive the separation of friction plate 13, can't follow the surface of filter screen 12 and remove, the pivoted filter screen 12 surface can constantly rub the particulate matters this moment, the particulate matters can be ground little gradually, the pulverization, can pass filter screen 12 at last.
As shown in fig. 5 to 8, a groove hole is formed in the side wall of the friction plate 13, an elastic sheet 15 is fixedly connected to the inner wall of the left end of the groove hole, a plurality of uniformly distributed plugs 14 are fixedly connected to the outer circumferential surface of the filter screen 12, and one side of each plug 14 is of an arc-shaped structure design.
When the filter screen 12 rotates, the top 14 can be driven to synchronously rotate, the top 14 can meet the spring 15 when rotating, the top 14 can pass through the groove hole and jack up the spring 15 along with the continuous rotation of the filter screen 12, when the top 14 leaves the spring 15, namely no longer contacts with the spring 15, the spring 15 can instantly restore to the initial position, the tail end of the spring can strike the filter screen 12, so that the filter screen 12 generates vibration, and the purpose of doing so is to remove impurities blocked in the eyes of the filter screen 12, avoid mesh blockage and influence the circulation of lime water.
As shown in fig. 5 to 8, a mixing mechanism is arranged below the drainage mechanism and is used for uniformly mixing the flue gas and lime water mist, and the mixing mechanism comprises a gear 16, a conical block 17 and a blade 18; the lower surface of the disc 7 is connected with a plurality of groups of gears 16 in a rotating way at a position close to the first limiting ring 19, the gears 16 are connected with the side edges of the first limiting ring 19 in a meshed way, the lower end of each gear 16 is fixedly connected with a conical block 17, and the outer side faces of the conical blocks 17 are fixedly connected with uniformly distributed paddles 18.
The rotating cylinder 8 can drive the first limiting ring 19 to rotate when rotating, the first limiting ring 19 can drive the gear 16 connected in a meshed mode to rotate when rotating, the gear 16 can synchronously drive the conical block 17 to rotate when rotating, the conical block 17 can drive the blade 18 to rotate when rotating, the blade 18 can drive the flue gas and lime water mist to stir when rotating, vortex is generated, and therefore the flue gas and the lime water mist are enabled to be in full contact, the flue gas is purified thoroughly, and sulfide and hydrogen chloride in the flue gas are removed as far as possible.
As shown in fig. 5, the ratio of the diameter of the first stopper ring 19 to the diameter of the gear 16 is 5:1.
The pinion is driven to rotate by the large gear to improve the rotation of the gear 16, so that the stirring effect on the smoke and lime water mist can be improved.
As shown in fig. 9, the inner wall of the smoke exhaust pipe 4 is fixedly connected with filter cotton 21, the right side of the filter cotton 21 is fixedly connected with a spring needle 22 on the inner wall of the smoke exhaust pipe 4, and the side surface of the spring needle 22 is in contact with the filter cotton 21.
The filter cotton 21 has the function of preventing the generated chloridized sediment from being discharged from the smoke discharging pipe 4 along with the smoke, when the purified smoke is discharged from the smoke discharging pipe 4, the smoke blows the spring needle 22 to deform, after the smoke is purified, the smoke discharging pipe 4 is closed, namely the device is closed, at the moment, no smoke passes through the smoke discharging pipe 4, the spring needle 22 can recover to deform and hit the filter cotton 21 once, so that the chloridized sediment adhered to the filter cotton 21 falls into the water tank 1, and the continuously accumulated chloridized sediment is avoided to block the filter cotton 21.
As shown in fig. 1, a transparent glass 24 is installed on the upper surface of the pool 1, the transparent glass 24 is used for observing the interior of the pool 1, a door plate 25 is installed on the upper surface of the pool 1 near the transparent glass 24, and a handle 26 is installed on the door plate 25.
The content of sediment in the water tank 1 can be known by observing the transparent glass 24, and when the sediment is accumulated more, the handle 26 can be pulled to drive the door plate 25, so that the upper end of the water tank 1 is opened, the sediment is cleaned, and the sediment in the water tank 1 can be cleaned by pumping the sediment by using the sludge pump.
As shown in fig. 2, a baffle plate 23 is installed on the inner wall of the water tank 1 near the right end and corresponding to the reaction tower for collecting reaction sediment, the baffle plate 23 is inclined downward, and the baffle plate 23 plays a role in guiding sediment in the water tank 1, so that the sediment is paved at the bottom of the water tank 1 as much as possible.
Working principle: the flue gas generated during incineration in the incinerator enters the reaction tower 2 and is converged at the upper end of the disc 7, lime water or other alkaline liquid is filled in the water pond 1, the water pump 5 pumps the lime water in the water pond 1 through the guide pipe, the filter screen is arranged at the lower end of the guide pipe and is used for filtering the lime water, the water pump 5 pumps the lime water and conveys the lime water through the guide pipe 6, the lime water in the guide pipe 6 can be conveyed into the disc 7 and finally enters the H-shaped ring 9 and is sprayed out of the water spray head 10, the water spray head 10 sprays atomized lime water, at the moment, the air flow at the water spray head 10 flows at a high speed, the flow speed is low, the pressure at the water spray head 10 is lower than the pressure above the disc 7, the high pressure flows towards the low pressure, the flue gas converged above the disc 7 can flow downwards through the pipe diameter of the H-shaped ring 9, so as to be in contact and mixed with the sprayed lime water mist, acidic substances and chlorinated substances in the flue gas are removed, the chloride and the lime water mist react to form sediments, and finally the sediments can be discharged from the flue gas pipe 4 after the treatment in the bottom of the water pond 1;
The sprinkler head 10 can give the reverse thrust to the H-shaped ring 9 when injecting high-speed water flow, the H-shaped ring 9, the rotary cylinder 8 and the fan blades 11 are driven to rotate together under the pushing of a plurality of groups of sprinkler heads 10, the fan blades 11 can accelerate the downward circulation of the smoke above the disc 7 when rotating, the more lime water is extracted in unit time of the water pump 5, the faster the flow speed at the sprinkler head 10 is, the greater the reverse thrust is generated, the faster the fan blades 11 rotate, and the faster the smoke downward flow speed is accelerated; the lime water extracted by the water pump 5 in unit time is less, the flow speed at the water spray head 10 is reduced, the generated reverse thrust is reduced, the rotation speed of the fan blades 11 is reduced, the downward flow speed of the smoke is reduced, the proportion of the smoke corresponding to the automatic proportion according to the sprayed lime water mist can be realized, and the problem that the chloride in the smoke is not thoroughly reacted due to the reaction of a large amount of smoke and a small amount of lime water mist can be avoided;
In addition, the rotating cylinder 8 can drive the first limiting ring 19 to rotate when rotating, the first limiting ring 19 can drive the gear 16 in meshed connection to rotate when rotating, the gear 16 can synchronously drive the conical block 17 to rotate when rotating, the conical block 17 can drive the blade 18 to rotate when rotating, the blade 18 can drive the flue gas and the lime water mist to stir and generate vortex, so that the flue gas and the lime water mist are fully contacted, and the flue gas is thoroughly purified;
Lime water in the disc 7 is filtered by the filter screen 12 when flowing to the sprinkler head 10, so that particles in the lime water are filtered, the filter screen 12 can synchronously rotate along with the rotating cylinder 8 when spraying water mist, the particles which are fallen can be adhered to the surface of the filter screen 12 and synchronously rotate along with the filter screen 12, finally, the particles move to the friction plate 13, the particles can be blocked by the friction plate 13 and cannot move along with the surface of the filter screen 12, at the moment, the rotating surface of the filter screen 12 can continuously rub the particles, the particles can be gradually ground to be small and pulverized, and finally, the particles can pass through the filter screen 12;
When the filter screen 12 rotates, the top 14 can be driven to synchronously rotate, the top 14 can meet the spring 15 when rotating, the top 14 can pass through the groove hole and jack up the spring 15 along with the continuous rotation of the filter screen 12, when the top 14 leaves the spring 15, namely no longer contacts with the spring 15, the spring 15 can instantly restore to the initial position, the tail end of the spring can strike the filter screen 12, so that the filter screen 12 generates vibration, and the purpose of doing so is to remove impurities blocked in the eyes of the filter screen 12, avoid mesh blockage and influence the circulation of lime water.
The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (1)
1. The utility model provides a household garbage incineration flue gas dechlorination device, includes pond (1) and reaction tower (2), reaction tower (2) are installed in the top of pond (1), advance tobacco pipe (3) are installed to the upper end of reaction tower (2), the side surface of reaction tower (2) is close to lower extreme position and is installed smoke tube (4), the upper surface of pond (1) is installed water pump (5), the delivery port department of water pump (5) is connected with honeycomb duct (6), the water inlet department of water pump (5) communicates with the inside of pond (1);
The method is characterized in that: the inner wall of the reaction tower (2) is connected with a disc (7) close to the upper end, the disc (7) is of a blank shell design, the flow guide pipe (6) is communicated with the inside of the disc (7), a plurality of evenly distributed drainage mechanisms are arranged in the disc (7) and used for guiding flue gas and lime water mist, and each drainage mechanism comprises a rotating cylinder (8), an I-shaped ring (9), a water spray head (10), a first limiting ring (19) and a second limiting ring (20);
The inner part of the disc (7) is penetrated and provided with a plurality of evenly distributed rotating cylinders (8), the outer side walls of the rotating cylinders (8) are rotationally connected with the disc (7), the lower ends of the rotating cylinders (8) are fixedly connected with first limiting rings (19), the upper ends of the rotating cylinders (8) are fixedly connected with second limiting rings (20), the inner wall sides of the rotating cylinders (8) are fixedly connected with I-shaped rings (9), the lower end faces of the I-shaped rings (9) are fixedly connected with evenly distributed water spraying heads (10), the water spraying heads (10) are communicated with the inner part of the disc (7) through the side walls of the rotating cylinders (8), the water spraying heads (10) are annularly distributed, the water spraying heads (10) are obliquely installed, the inner circular side faces of the I-shaped rings (9) are fixedly connected with fan blades (11), and the fan blades (11) are used for pushing air flow downwards;
the external part of the drainage mechanism is provided with a grinding mechanism which is used for grinding particles in lime water;
A mixing mechanism is arranged below the drainage mechanism and is used for uniformly mixing the flue gas and lime water mist;
The grinding mechanism comprises a filter screen (12) and friction plates (13), wherein the filter screen (12) is arranged at the center of the side wall of the rotating cylinder (8), the filter screen (12) is in an annular structural design, the filter screen (12) is made of hard materials, the friction plates (13) are arranged at the side wall of the filter screen (12), and the upper end and the lower end of each friction plate (13) are fixedly connected with the inner wall of the disc (7);
a groove hole is formed in the side wall of the friction plate (13), an elastic sheet (15) is fixedly connected to the inner wall of the left end of the groove hole, a plurality of uniformly distributed jacks (14) are fixedly connected to the outer circular surface of the filter screen (12), and one side of each jack (14) is of an arc-shaped structural design;
The mixing mechanism comprises a gear (16), a conical block (17) and paddles (18); a plurality of groups of gears (16) are rotatably connected to the lower surface of the disc (7) close to the first limiting ring (19), the gears (16) are in meshed connection with the side edges of the first limiting ring (19), conical blocks (17) are fixedly connected to the lower ends of the gears (16), and uniformly distributed paddles (18) are fixedly connected to the outer side surfaces of the conical blocks (17);
the diameter ratio of the first limiting ring (19) to the diameter of the gear (16) is 5:1, a step of;
The gas-sensitive sensor is arranged in the smoke exhaust pipe (4) and is used for monitoring whether the discharged gas meets the discharge standard, if the flow rate of the smoke discharged by the incinerator is high, the original lime water mist cannot well purify the smoke, namely the gas-sensitive sensor in the smoke exhaust pipe (4) can detect that the concentration of the discharged chloride gas becomes high, that is, the lime water mist does not well purify the smoke, at the moment, the output water flow of the water pump (5) can be correspondingly improved, so that the discharge amount of the water mist is increased, the smoke can be well purified by the lime water mist, and the concentration of the lime water, namely the alkaline concentration, can be correspondingly improved, so that the reaction efficiency of the smoke is accelerated, and the supply amount of the lime water and the amount of the smoke are ensured to be in a proper proportion as far as possible;
The inner wall of the smoke exhaust pipe (4) is fixedly connected with filter cotton (21), the right side position of the inner wall of the smoke exhaust pipe (4) positioned on the filter cotton (21) is fixedly connected with a spring needle piece (22), and the side surface of the spring needle piece (22) is in contact with the filter cotton (21);
The upper surface of the water tank (1) is provided with transparent glass (24), the transparent glass (24) is used for observing the inside of the water tank (1), a door plate (25) is arranged on the upper surface of the water tank (1) at a position close to the transparent glass (24), and a handle (26) is arranged on the door plate (25);
a guide plate (23) is arranged on the inner wall of the water tank (1) close to the right end and corresponds to the reaction tower for collecting reaction sediment, and the guide plate (23) is obliquely downwards arranged;
The flue gas generated during incineration in the incinerator enters the reaction tower (2) and is converged at the upper end of the disc (7), lime water or other alkaline liquid is filled in the water tank (1), the water pump (5) pumps the lime water in the water tank (1) through the guide pipe, the lower end of the guide pipe is provided with the filter screen for filtering the lime water, the water pump (5) pumps the lime water and conveys the lime water through the guide pipe (6), the lime water in the guide pipe (6) can be conveyed into the disc (7), finally enters the I-shaped ring (9) and is sprayed out of the water spray head (10), the water spray head (10) sprays atomized lime water, at the moment, the air flow at the water spray head (10) flows at a high speed, the flow speed is low, the pressure at the water spray head (10) is lower than the pressure above the disc (7), the high air pressure flows towards the low air pressure, the flue gas converged above the disc (7) can rapidly flow downwards through the position of the I-shaped ring (9) so as to be contacted and mixed with sprayed lime, thereby the lime water spray is discharged from the water spray pipe (10) to form a reaction product, and finally the sediment and the water spray is discharged from the water tank (4) after the reaction product is discharged from the water spray pipe;
the water spray heads (10) can give a reverse thrust to the H-shaped ring (9) when high-speed water flow is emitted, the H-shaped ring (9), the rotating cylinder (8) and the fan blades (11) are driven to rotate together by pushing the water spray heads (10), the fan blades (11) can accelerate the downward circulation of smoke above the disc (7) when rotating, the more lime water is extracted in unit time of the water pump (5), the faster the flow speed at the water spray heads (10) is, the greater the generated reverse thrust is, the faster the fan blades (11) rotate, and the faster the smoke downflow speed is accelerated; the lime water extracted by the water pump (5) in unit time is less, the flow speed at the water spray head (10) is reduced, the generated reverse thrust is reduced, the rotation speed of the fan blades (11) is reduced, the downward flow speed of the smoke is reduced, the proportion of the smoke corresponding to the automatic proportion of the sprayed lime water mist can be realized, and the phenomenon that a large amount of smoke reacts with a small amount of lime water mist to cause incomplete reaction of chloride in the smoke can be avoided;
The rotating cylinder (8) can drive the first limiting ring (19) to rotate when rotating, the first limiting ring (19) can drive the gear (16) which is in meshed connection to rotate when rotating, the gear (16) can synchronously drive the conical block (17) to rotate when rotating, the conical block (17) can drive the blade (18) to rotate when rotating, the blade (18) can drive the flue gas and lime water mist to stir and generate vortex, so that the flue gas and the lime water mist are fully contacted;
Lime water in the disc (7) can be filtered through the filter screen (12) when flowing to the sprinkler head (10), so that particles in the lime water are filtered, the sprinkler head (10) is prevented from being blocked by the particles, the filter screen (12) can synchronously rotate along with the rotating cylinder (8) when spraying water mist, the particles which are fallen can synchronously rotate along with the filter screen (12) along with the surface of the filter screen (12), finally, the particles move to the friction plate (13), are blocked by the friction plate (13) and cannot move along with the surface of the filter screen (12), at the moment, the surface of the rotating filter screen (12) can continuously rub the particles, the particles can be gradually ground down and pulverized, and finally, the particles can pass through the filter screen (12);
The filter screen (12) can drive top (14) synchronous rotation when rotating, top (14) can meet shell fragment (15) when rotating, along with filter screen (12) continue to rotate, top (14) can be through the slotted hole and jack-up shell fragment (15), leave shell fragment (15) at top (14), when promptly no longer contacting with shell fragment (15), shell fragment (15) can resume initial position in the twinkling of an eye, its end can strike filter screen (12), make filter screen (12) produce a vibrations, get rid of the impurity of card in filter screen (12) eye, avoid the mesh jam, influence lime water's circulation.
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| CN202311623109.6A CN117298849B (en) | 2023-11-30 | 2023-11-30 | Domestic waste burns flue gas dechlorination device |
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| CN202311623109.6A CN117298849B (en) | 2023-11-30 | 2023-11-30 | Domestic waste burns flue gas dechlorination device |
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| CN117298849B true CN117298849B (en) | 2024-05-14 |
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| CN219149742U (en) * | 2022-12-28 | 2023-06-09 | 河北嘉誉环保设备有限公司 | Desulfurization apparatus |
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| CN205760562U (en) * | 2016-06-15 | 2016-12-07 | 中国大唐集团科学技术研究院有限公司 | A kind of adjustable desulfurizing tower of desulfurizing agent pH value |
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| CN117298849A (en) | 2023-12-29 |
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