CN112844017A - Harmless treatment system and method for waste incineration flue gas - Google Patents
Harmless treatment system and method for waste incineration flue gas Download PDFInfo
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- CN112844017A CN112844017A CN202011544326.2A CN202011544326A CN112844017A CN 112844017 A CN112844017 A CN 112844017A CN 202011544326 A CN202011544326 A CN 202011544326A CN 112844017 A CN112844017 A CN 112844017A
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 239000003546 flue gas Substances 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000004056 waste incineration Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 107
- 238000000746 purification Methods 0.000 claims abstract description 70
- 239000012535 impurity Substances 0.000 claims abstract description 38
- 238000001914 filtration Methods 0.000 claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 50
- 230000007246 mechanism Effects 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 24
- 238000001179 sorption measurement Methods 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 18
- 239000000779 smoke Substances 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 150000003568 thioethers Chemical class 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract description 10
- 239000003513 alkali Substances 0.000 abstract description 10
- 229910052708 sodium Inorganic materials 0.000 abstract description 10
- 239000011734 sodium Substances 0.000 abstract description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 9
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 9
- 239000004571 lime Substances 0.000 abstract description 9
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 abstract description 5
- 235000010261 calcium sulphite Nutrition 0.000 abstract description 5
- 238000006477 desulfuration reaction Methods 0.000 abstract description 4
- 230000023556 desulfurization Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000012492 regenerant Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- 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
- B01D53/48—Sulfur compounds
-
- 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
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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 discloses a harmless treatment system and a method for waste incineration flue gas. This innocent treatment system of msw incineration flue gas, through the clearance of cleaning brush to coarse strainer and fine filtration net surface impurity, can avoid impurity to cause the jam problem to the mesh on coarse strainer and the fine filtration net effectively, guarantee to the filter element to the filter effect of solid particle impurity in the flue gas, improve the treatment effect to dust and solid particle impurity in the flue gas, carry out purification treatment to the sulphide in the flue gas through the inside flue gas purification treatment fluid of purifying box, use sodium alkali as the desulfurizer, lime is the regenerant, through throwing lime in circulating water system, generate calcium sulfite and sodium alkali, calcium sulfite deposits, sodium alkali recycles along with the desulfurization circulating water, the easy scale deposit problem of lime method has been solved effectively, have the advantage that sodium alkali method desulfurization efficiency is high simultaneously concurrently.
Description
Technical Field
The invention relates to the technical field of flue gas treatment, in particular to a harmless treatment system and method for waste incineration flue gas.
Background
The waste incineration technique is a high-temperature pyrolysis partThe treatment technology is a treatment technology which can simultaneously realize reduction, reclamation and harmlessness of wastes. The incineration treatment has the characteristics of rapid and thorough waste treatment, large volume reduction, effective control of secondary pollution, high energy conversion rate and good comprehensive utilization, and is a waste treatment method commonly adopted in developed countries. However, the incineration of garbage generates secondary pollution, and about 4000-5000 Nm/ton of garbage incineration3The acidic pollutants in the waste gas are mainly HCl and SO2The content of the active carbon can reach 1200mg/Nm3And 600mg/Nm3Left and right. Therefore, in order to prevent the waste incineration smoke from generating secondary pollution to the environment, strict smoke purification measures must be taken to ensure that harmful substances can be discharged into the atmosphere to the extent of being harmless to the environment and human bodies. The main pollutants in the household garbage incineration flue gas include dust, acid gases (CO, NOX, SO2, HCl and the like), heavy metals (Hg, Cr, Pb and the like), dioxin and other organic gases. Wherein dust is removed by a bag-type dust remover, organic gases such as heavy metal, dioxin and the like are removed by the activated carbon injection and the bag-type dust remover, and acid gases are removed by a deacidification process and a denitration process.
The existing flue gas innocent treatment system has the disadvantages of high manufacturing cost, large occupied area and complex operation procedure, and in addition, after dust pollutants contained in flue gas are treated for a period of time, dust removing parts in a bag-type dust remover are easily blocked due to dust accumulation.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a harmless treatment system and a method for waste incineration flue gas, which can effectively avoid the problem that impurities block meshes on a coarse filter screen and a fine filter screen by cleaning impurities on the surfaces of the coarse filter screen and the fine filter screen through a cleaning brush, ensure the filtering effect of a filtering component on solid particle impurities in the flue gas, improve the treatment effect on dust and solid particle impurities in the flue gas, and solve the problems that the conventional flue gas harmless treatment system has high manufacturing cost, large floor area and complex operation procedures, and dust removal components in a bag-type dust remover are easy to be accumulated by dust to cause blockage after dust pollutants in the flue gas are treated for a period of time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a garbage incineration flue gas innocent treatment system comprises a dust removal mechanism and a purification mechanism, wherein the inside of the dust removal mechanism is communicated with the inside of the purification mechanism through an air duct, a filtering component is arranged in the dust removal mechanism, a cleaning component is arranged in the dust removal mechanism and positioned on one side of the filtering component, an adsorption component is arranged in the purification mechanism, the dust removal mechanism comprises a dust removal box, a first air inlet pipe, a first air outlet pipe and sealing doors, the first air inlet pipe is communicated with the left upper side of the dust removal box, the first air outlet pipe is communicated with the right side of the top of the dust removal box, one ends of the first air inlet pipe and the first air outlet pipe penetrate through the dust removal box and extend to the inside of the dust removal box, the sealing doors are hinged to two sides below the front side of the dust removal box through hinges, and the back;
the filter assembly comprises a filter plate, a coarse filter screen and a fine filter screen, wherein the filter plate is fixedly connected to both sides of the interior of the dust removing box, the coarse filter screen is fixedly connected to the interior of the filter plate positioned on the left side, and the fine filter screen is fixedly connected to the interior of the filter plate positioned on the right side;
the clearance subassembly includes fixed block, servo motor, fixed plate, screw rod, movable block, connecting block and clearance brush, the equal fixedly connected with fixed block in the front and back at dust removal incasement wall top, and the equal fixedly connected with fixed plate in the bottom of two fixed blocks, two the bottom of fixed plate respectively with the front and back fixed connection of dust removal incasement wall bottom, two sliding connection has the connecting block between the relative one side of fixed plate, and one side fixedly connected with clearance brush of connecting block.
Preferably, the both sides that the clearance subassembly is located dust removal incasement portion are provided with two, and two clearance subassemblies are located the left side of two filters respectively, two one side of clearance brush contacts with the left side of coarse strainer, fine filter screen respectively.
Preferably, the movable groove has been seted up to the inside of fixed plate, and the inside rotation in movable groove is connected with the screw rod, the one end of servo motor output shaft runs through fixed block, fixed plate and movable groove and extends to the inside in movable groove, and the servo motor output shaft extends to the top fixed connection that shaft coupling and screw rod were passed through to the inside one end in movable groove, the surperficial threaded connection of screw rod has the movable block, and the surface of movable block and the inner wall sliding connection in movable groove.
Preferably, the front surface of the movable block penetrates through the movable groove and the fixed plate and extends to the outside of the fixed plate, the front surface of the movable block is fixedly connected with the back surface of the connecting block, the front surface of the fixed plate is provided with a sliding groove, and the inner wall of the sliding groove is in sliding connection with the front surface of the movable block.
Preferably, purification mechanism includes purifying box, intake pipe two, outlet duct two, notes liquid pipe and fluid-discharge tube, the both sides at purifying box top communicate respectively there are intake pipe two and outlet duct two, and intake pipe two all run through the inside of purifying box and extend to the purifying box with the one end of outlet duct two, the intake pipe is two in the outside one end of purifying box and the one end intercommunication of air duct, and the other end of air duct and the top intercommunication of outlet duct one, the intake pipe is two in the inside one end of purifying box and extends to the inside below of purifying box, and the inside one end of outlet duct two extension to the purifying box is located the inside top of purifying box.
Preferably, the positive middle part intercommunication of purifying box has annotates the liquid pipe, and the below intercommunication on purifying box right side has the fluid-discharge tube, annotate the inside that the liquid pipe all runs through the purifying box and extend to the purifying box with the one end of fluid-discharge tube, and annotate the inside of liquid pipe and fluid-discharge tube and all be provided with the valve.
Preferably, the adsorption component includes mount, absorption frame and sealed lid, the inside top fixedly connected with mount of purifying box, and the inside of mount has seted up the activity groove, the inside in activity groove is provided with the absorption frame, and the inside packing that adsorbs the frame has active carbon, the top on purifying box right side articulates through the hinge has sealed lid, and the inside intercommunication of the left side of sealed lid and purifying box.
A method of a waste incineration flue gas harmless treatment system specifically comprises the following steps:
step one, connecting a conveying pipeline of waste incineration flue gas with one end of a gas inlet pipe on the left side of a dust removal box by using a sealing flange plate, introducing flue gas purification treatment liquid into the interior of a purification box through a liquid injection pipe, and starting a flue gas harmless treatment system;
secondly, the flue gas enters the interior of the dust removal box through the first air inlet pipe, the flue gas firstly filters large-particle solid impurities contained in the flue gas through a coarse filter screen on the left side of the interior of the dust removal box, the large-particle solid impurities are blocked by the coarse filter screen, then the flue gas passing through the coarse filter screen again filters small-particle solid impurities contained in the flue gas through a fine filter screen on the right side of the interior of the dust removal box, the small-particle solid impurities are blocked by the fine filter screen, and finally the flue gas after twice filtering enters an air guide pipe through the first air outlet pipe and then enters the interior of the second air inlet pipe from the;
step three, the smoke after the two-time filtering treatment enters the interior of the purification box through a second gas inlet pipe, the smoke is sent into smoke purification treatment liquid through the second gas inlet pipe, the smoke is desulfurized through the smoke purification treatment liquid, sulfides contained in the smoke are absorbed by the smoke purification treatment liquid, the smoke after the purification treatment of the treatment liquid passes through an adsorption component, the peculiar smell in the smoke is adsorbed through activated carbon in the adsorption component, and finally the smoke is sent out through a second gas outlet pipe to perform component determination on the sent smoke;
step four, when twice smoke filtration is carried out in the dust removal box, two cleaning assemblies are started, two servo motor output shafts rotate clockwise to drive two screw rods to rotate clockwise in the two fixed plates respectively, two movable blocks move downwards on the surfaces of the two screw rods, two cleaning brushes are driven by connecting blocks which are fixed on the front surfaces of the two movable blocks to clean the surfaces of the coarse filter screen and the fine filter screen respectively, impurities on the surfaces of the coarse filter screen and the fine filter screen fall down, and finally when the dust removal box stops working, two sealing doors are opened to clean the impurities in the dust removal box.
(III) advantageous effects
The invention provides a harmless treatment system and a method for waste incineration flue gas. Compared with the prior art, the method has the following beneficial effects:
(1) the garbage incineration flue gas innocent treatment system is characterized in that a filtering component is arranged in a dust removing mechanism, a cleaning component is arranged in the dust removing mechanism and on one side of the filtering component, the dust removing mechanism comprises a dust removing box, a first air inlet pipe, a first air outlet pipe and sealing doors, the first air inlet pipe is communicated with the left upper side of the dust removing box, the first air outlet pipe is communicated with the right side of the top of the dust removing box, one ends of the first air inlet pipe and the first air outlet pipe penetrate through the dust removing box and extend into the dust removing box, the sealing doors are hinged to two sides below the front side of the dust removing box through hinges, the back sides of the two sealing doors are communicated with the inside of the dust removing box, the cleaning component comprises a fixed block, a servo motor, a fixed plate, a screw rod, a movable block, a connecting block and a cleaning brush, the fixed block is fixedly connected to the front side and, the bottoms of the two fixed plates are respectively fixedly connected with the front and the rear of the bottom of the inner wall of the dust removal box, a connecting block is connected between the opposite sides of the two fixed plates in a sliding manner, a cleaning brush is fixedly connected with one side of the connecting block, when smoke is filtered twice in the dust removal box, the two cleaning components are started, two servo motor output shafts rotate clockwise to drive the two screw rods to rotate clockwise in the two fixed plates respectively, the two movable blocks displace downwards on the surfaces of the two screw rods, the connecting block which is fixed on the front sides of the two movable blocks is utilized to drive the two cleaning brushes to respectively clean the surfaces of the coarse filter and the fine filter, impurities on the surfaces of the coarse filter and the fine filter fall down, finally when the dust removal box stops working, the two sealing doors are opened to clean the impurities in the dust removal box, and the impurities on the surfaces of the coarse filter and the fine filter are cleaned through the cleaning, the problem that impurities block meshes on the coarse filter screen and the fine filter screen can be effectively solved, the filtering effect of the filtering component on solid particle impurities in the flue gas is guaranteed, the treatment effect on dust and the solid particle impurities in the flue gas is improved, the manufacturing cost of the whole flue gas harmless treatment system is low, the equipment size is small, and the operation and the use are simple.
(2) The innocent treatment system for the waste incineration flue gas is characterized in that an adsorption component is arranged inside a purification mechanism, the purification mechanism comprises a purification box, a second air inlet pipe, a second air outlet pipe, a liquid injection pipe and a liquid discharge pipe, the two sides of the top of the purification box are respectively communicated with the second air inlet pipe and the second air outlet pipe, one ends of the second air inlet pipe and the second air outlet pipe penetrate through the purification box and extend into the purification box, one end, located outside the purification box, of the second air inlet pipe is communicated with one end of the air guide pipe, the other end of the air guide pipe is communicated with the top end of the first air outlet pipe, one end, located inside the purification box, of the second air inlet pipe extends to the lower portion inside the purification box, one end, located inside the purification box, of the second air outlet pipe extends to the upper portion inside the purification box, the adsorption component, and the inside of the fixed mount is provided with a movable groove, the inside of the movable groove is provided with an adsorption frame, the inside of the adsorption frame is filled with active carbon, the upper part of the right side of the purification box is hinged with a sealing cover through a hinge, the left side of the sealing cover is communicated with the inside of the purification box, the flue gas after twice filtration treatment enters the inside of the purification box through a second air inlet pipe, the flue gas is sent into flue gas purification treatment liquid through the second air inlet pipe, the flue gas is desulfurized through the flue gas purification treatment liquid, sulfides contained in the flue gas are absorbed by the flue gas purification treatment liquid, the flue gas after purification treatment of the treatment liquid passes through an adsorption component, the active carbon in the adsorption component is used for adsorbing peculiar smell in the flue gas, finally the flue gas is sent out through a second air outlet pipe, the components of the sent flue gas are measured, and the sulfides in the flue gas are purified, the sodium alkali is used as a desulfurizing agent, the lime is used as a regenerant, the lime is added into a circulating water system to generate calcium sulfite and sodium alkali, the calcium sulfite precipitates, and the sodium alkali is recycled along with the desulfurized circulating water, so that the problem of easy scaling in a lime method is effectively solved, and the method has the advantage of high desulfurization efficiency in the sodium alkali method, mainly consumes the cheap lime, has low operating cost, avoids secondary pollution caused by desulfurization by-products of the calcium sulfite and the calcium sulfate, recycles flue gas purification treatment liquid, and does not produce water pollution.
Drawings
FIG. 1 is a schematic view of the harmless treatment system for waste incineration flue gas according to the present invention;
FIG. 2 is a cross-sectional view of a dust removal bin construction of the present invention;
FIG. 3 is a partial schematic view of the cleaning assembly of the present invention;
FIG. 4 is a schematic diagram of a servo motor and screw structure according to the present invention;
FIG. 5 is a schematic view of the structure of the movable block, the connecting block and the cleaning brush of the present invention;
FIG. 6 is a cross-sectional view of the purge tank structure of the present invention;
fig. 7 is a schematic view of the structure of the fixing frame of the present invention.
In the figure, 1, a dust removal mechanism; 11. a dust removal box; 12. a first air inlet pipe; 13. a first air outlet pipe; 14. a sealing door; 2. a purification mechanism; 21. a purification box; 22. a second air inlet pipe; 23. a second air outlet pipe; 24. a liquid injection pipe; 25. a liquid discharge pipe; 3. a filter assembly; 31. a filter plate; 32. coarse filtration; 33. fine filtering net; 4. cleaning the assembly; 41. a fixed block; 42. a servo motor; 43. a fixing plate; 44. a screw; 45. a movable block; 46. connecting blocks; 47. cleaning a brush; 5. an adsorption component; 51. a fixed mount; 52. an adsorption frame; 53. a sealing cover; 6. an air duct.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a harmless treatment system for waste incineration flue gas comprises a dust removal mechanism 1 and a purification mechanism 2, wherein the interior of the dust removal mechanism 1 is communicated with the interior of the purification mechanism 2 through an air duct 6, a filtering component 3 is arranged inside the dust removal mechanism 1, a cleaning component 4 is arranged inside the dust removal mechanism 1 and on one side of the filtering component 3, an adsorption component 5 is arranged inside the purification mechanism 2, the dust removal mechanism 1 comprises a dust removal box 11, an air inlet pipe I12, an air outlet pipe I13 and a sealing door 14, the air inlet pipe I12 is communicated above the left side of the dust removal box 11, the right side of the top of the dust removal box 11 is communicated with a first air outlet pipe 13, one ends of the first air inlet pipe 12 and the first air outlet pipe 13 penetrate through the dust removal box 11 and extend to the inside of the dust removal box 11, two sides of the lower part of the front side of the dust removal box 11 are hinged with sealing doors 14 through hinges, and the back sides of the two sealing doors 14 are communicated with the inside of the dust removal box 11;
the filtering component 3 comprises a filtering plate 31, a coarse filtering net 32 and a fine filtering net 33, the two sides inside the dust removing box 11 are fixedly connected with the filtering plate 31, the coarse filtering net 32 is fixedly connected inside the filtering plate 31 on the left side, and the fine filtering net 33 is fixedly connected inside the filtering plate 31 on the right side;
cleaning assembly 4 includes fixed block 41, servo motor 42, fixed plate 43, screw rod 44, movable block 45, connecting block 46 and cleaning brush 47, the equal fixedly connected with fixed block 41 in the front and back at 11 inner wall tops of dust removal case, and the equal fixedly connected with fixed plate 43 in bottom of two fixed blocks 41, the bottom of two fixed plates 43 respectively with the front and back fixed connection of 11 inner wall bottoms of dust removal case, sliding connection has connecting block 46 between the relative one side of two fixed plates 43, and one side fixedly connected with cleaning brush 47 of connecting block 46.
Two cleaning assemblies 4 are arranged on two sides of the interior of the dust removal box 11, the two cleaning assemblies 4 are respectively arranged on the left sides of the two filter plates 31, and one sides of the two cleaning brushes 47 are respectively contacted with the left sides of the coarse filter 32 and the fine filter 33.
The movable groove has been seted up to the inside of fixed plate 43, and the inside rotation in movable groove is connected with screw rod 44, the one end of servo motor 42 output shaft runs through fixed block 41, fixed plate 43 and movable groove and extends to the inside in movable groove, and the top fixed connection of shaft coupling and screw rod 44 is passed through to the one end that servo motor 42 output shaft extended to the inside in movable groove, the surperficial threaded connection of screw rod 44 has movable block 45, and the surface of movable block 45 and the inner wall sliding connection in movable groove.
The front of movable block 45 runs through activity groove and fixed plate 43 and extends to the outside of fixed plate 43, and the front of movable block 45 and the back fixed connection of connecting block 46, and the spout has been seted up on the front of fixed plate 43, and the inner wall of spout and the front sliding connection of movable block 45.
The middle part of the front of the purification box 21 is communicated with a liquid injection pipe 24, the lower part of the right side of the purification box 21 is communicated with a liquid discharge pipe 25, one ends of the liquid injection pipe 24 and the liquid discharge pipe 25 penetrate through the purification box 21 and extend to the inside of the purification box 21, and valves are arranged inside the liquid injection pipe 24 and the liquid discharge pipe 25.
A method of a waste incineration flue gas harmless treatment system specifically comprises the following steps:
firstly, connecting a conveying pipeline of waste incineration flue gas with one end of a gas inlet pipe (12) on the left side of a dust removal box (11) by using a sealing flange plate, then introducing flue gas purification treatment liquid into the interior of a purification box (21) through a liquid injection pipe (24), wherein the flue gas purification treatment liquid adopts a mixture of sodium alkali and lime, the sodium alkali is used as a desulfurizer, the lime is used as a regenerant, and a flue gas harmless treatment system is started;
secondly, the flue gas enters the dust removal box 11 through the air inlet pipe I12, the flue gas firstly passes through a coarse filter 32 on the left side inside the dust removal box 11 to filter large-particle solid impurities contained in the flue gas, the large-particle solid impurities are blocked by the coarse filter 32, then the flue gas passing through the coarse filter 32 passes through a fine filter 33 on the right side inside the dust removal box 11 again to filter small-particle solid impurities contained in the flue gas, the small-particle solid impurities are blocked by the fine filter 33, and finally the flue gas after twice filtering enters the air guide pipe 6 through the air outlet pipe I13 and then enters the air inlet pipe II 22 from the air guide pipe 6;
step three, the flue gas after twice filtration enters the interior of the purification box 21 through the air inlet pipe II 22, the flue gas is sent into flue gas purification treatment liquid through the air inlet pipe II 22, the flue gas is desulfurized by the flue gas purification treatment liquid, sulfides contained in the flue gas are absorbed by the flue gas purification treatment liquid, the flue gas after purification treatment by the treatment liquid passes through the adsorption component 5, the peculiar smell in the flue gas is adsorbed by the activated carbon in the adsorption component 5, and finally the flue gas is sent out through the air outlet pipe II 23, and the component of the sent flue gas is measured;
step four, when the inside of the dust removal box 11 is subjected to twice smoke filtration, two cleaning assemblies 4 are started, two output shafts of two servo motors 42 rotate clockwise to drive two screws 44 to rotate clockwise inside two fixing plates 43 respectively, two movable blocks 45 displace downwards on the surfaces of the two screws 44, connecting blocks 46 which are fixed on the front surfaces of the two movable blocks 45 are utilized to drive two cleaning brushes 47 to clean the surfaces of the coarse filter 32 and the fine filter 33 respectively, so that impurities on the surfaces of the coarse filter 32 and the fine filter 33 fall down, and finally when the dust removal box 11 stops working, two sealing doors 14 are opened to clean the impurities inside the dust removal box 11.
And those not described in detail in this specification are well within the skill of those in the art.
When the harmless treatment system for the waste incineration flue gas is used, a conveying pipeline for the waste incineration flue gas is connected with one end of a first air inlet pipe 12 on the left side of a dust removal box 11 through a sealing flange plate, then flue gas purification treatment liquid is introduced into the purification box 21 through a liquid injection pipe 24, and the harmless treatment system for the flue gas is started;
the flue gas enters the dust removal box 11 through the gas inlet pipe I12, the flue gas firstly passes through a coarse strainer 32 on the left side inside the dust removal box 11 to filter large-particle solid impurities contained in the flue gas, the large-particle solid impurities are blocked by the coarse strainer 32, then the flue gas passing through the coarse strainer 32 passes through a fine strainer 33 on the right side inside the dust removal box 11 again to filter small-particle solid impurities contained in the flue gas, the small-particle solid impurities are blocked by the fine strainer 33, and finally the flue gas after twice filtering enters the gas guide pipe 6 through the gas outlet pipe I13 and then enters the gas inlet pipe II 22 from the gas guide pipe 6;
the flue gas after twice filtration enters the interior of the purification box 21 through the second air inlet pipe 22, the flue gas is sent into flue gas purification treatment liquid through the second air inlet pipe 22, the flue gas is desulfurized by the flue gas purification treatment liquid, sulfides contained in the flue gas are absorbed by the flue gas purification treatment liquid, the flue gas after purification treatment by the treatment liquid passes through the adsorption component 5, the peculiar smell in the flue gas is adsorbed by the activated carbon in the adsorption component 5, and finally the flue gas is sent out through the second air outlet pipe 23, and the components of the sent flue gas are measured;
when carrying out twice filtration of flue gas in dust removal case 11 inside, start two clearance subassemblies 4, two servo motor 42 output shafts clockwise rotate and drive two screw rods 44 and carry out clockwise rotation respectively in the inside of two fixed plates 43, two movable blocks 45 are at the downward displacement in surface of two screw rods 44, utilize at the positive fixed connecting block 46 of two movable blocks 45 to drive two cleaning brushes 47 and clear up the surface of coarse strainer 32 and fine strainer 33 respectively, let the impurity on coarse strainer 32 and fine strainer 33 surface fall down, at last when dust removal case 11 stop work, open two sealing door 14 and clear up the impurity of dust removal case 11 inside.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are 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.
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 (8)
1. The utility model provides a msw incineration flue gas innocent treatment system, includes dust removal mechanism (1) and purification mechanism (2), air duct (6) intercommunication is passed through with the inside of purification mechanism (2) in the inside of dust removal mechanism (1), the inside of dust removal mechanism (1) is provided with filter assembly (3), the inside one side that just is located filter assembly (3) of dust removal mechanism (1) is provided with clearance subassembly (4), the inside of purification mechanism (2) is provided with adsorption component (5), its characterized in that:
the dust removal mechanism (1) comprises a dust removal box (11), a first air inlet pipe (12), a first air outlet pipe (13) and sealing doors (14), the first air inlet pipe (12) is communicated above the left side of the dust removal box (11), the first air outlet pipe (13) is communicated on the right side of the top of the dust removal box (11), one ends of the first air inlet pipe (12) and the first air outlet pipe (13) penetrate through the dust removal box (11) and extend to the inside of the dust removal box (11), the sealing doors (14) are hinged to two sides below the front side of the dust removal box (11) through hinges, and the back sides of the two sealing doors (14) are communicated with the inside of the dust removal box (11);
the filter component (3) comprises a filter plate (31), a coarse filter screen (32) and a fine filter screen (33), the filter plate (31) is fixedly connected to two sides of the interior of the dust removing box (11), the coarse filter screen (32) is fixedly connected to the interior of the filter plate (31) positioned on the left side, and the fine filter screen (33) is fixedly connected to the interior of the filter plate (31) positioned on the right side;
clearance subassembly (4) are including fixed block (41), servo motor (42), fixed plate (43), screw rod (44), movable block (45), connecting block (46) and clearance brush (47), the equal fixedly connected with fixed block (41) in the front and back at dust removal case (11) inner wall top, and the equal fixedly connected with fixed plate (43) in bottom of two fixed blocks (41), two the bottom of fixed plate (43) respectively with the front and back fixed connection of dust removal case (11) inner wall bottom, two sliding connection has connecting block (46) between the relative one side of fixed plate (43), and one side fixedly connected with clearance brush (47) of connecting block (46).
2. The harmless treatment system for the waste incineration flue gas as recited in claim 1, wherein: the both sides that clearance subassembly (4) are located dust removal case (11) inside are provided with two, and two clearance subassemblies (4) are located the left side of two filter (31) respectively, two one side of clearance brush (47) contacts with the left side of coarse strainer (32), fine filter (33) respectively.
3. The harmless treatment system for the waste incineration flue gas as recited in claim 1, wherein: the movable groove has been seted up to the inside of fixed plate (43), and the inside rotation in movable groove is connected with screw rod (44), the one end of servo motor (42) output shaft runs through fixed block (41), fixed plate (43) and movable groove and extends to the inside in movable groove, and the top fixed connection of shaft coupling and screw rod (44) is passed through to the one end that servo motor (42) output shaft extended to the movable inslot portion, the surperficial threaded connection of screw rod (44) has movable block (45), and the surface of movable block (45) and the inner wall sliding connection in movable groove.
4. The harmless treatment system for the waste incineration flue gas as recited in claim 1, wherein: the front of movable block (45) runs through activity groove and fixed plate (43) and extends to the outside of fixed plate (43), and the front of movable block (45) and the back fixed connection of connecting block (46), the spout has been seted up in the front of fixed plate (43), and the front sliding connection of the inner wall of spout and movable block (45).
5. The harmless treatment system for the waste incineration flue gas as recited in claim 1, wherein: the purification mechanism (2) comprises a purification box (21), a second air inlet pipe (22), a second air outlet pipe (23), a liquid injection pipe (24) and a liquid discharge pipe (25), two sides of the top of the purifying box (21) are respectively communicated with a second air inlet pipe (22) and a second air outlet pipe (23), one end of the air inlet pipe II (22) and one end of the air outlet pipe II (23) both penetrate through the purifying box (21) and extend to the inside of the purifying box (21), one end of the second air inlet pipe (22) positioned outside the purifying box (21) is communicated with one end of the air guide pipe (6), and the other end of the air duct (6) is communicated with the top end of the first air outlet pipe (13), one end of the second air inlet pipe (22) positioned in the purifying box (21) extends to the lower part of the inside of the purifying box (21), and one end of the second outlet pipe (23) extending to the inside of the purifying box (21) is positioned above the inside of the purifying box (21).
6. The innocent treatment system for waste incineration flue gas as claimed in claim 5, wherein: the positive middle part intercommunication of purge box (21) has notes liquid pipe (24), and the below intercommunication on purge box (21) right side has fluid-discharge tube (25), the inside that purge box (21) and extending to purge box (21) is all run through to the one end of annotating liquid pipe (24) and fluid-discharge tube (25), and the inside of annotating liquid pipe (24) and fluid-discharge tube (25) all is provided with the valve.
7. The innocent treatment system for waste incineration flue gas as claimed in claim 5, wherein: adsorption component (5) are including mount (51), absorption frame (52) and sealed lid (53), the inside top fixedly connected with mount (51) of purifying box (21), and the inside of mount (51) has seted up movable groove, the inside in movable groove is provided with absorption frame (52), and the inside packing that adsorbs frame (52) has active carbon, the top on purifying box (21) right side articulates through the hinge has sealed lid (53), and the left side of sealed lid (53) communicates with the inside of purifying box (21).
8. A method of a waste incineration flue gas harmless treatment system is characterized in that: the method specifically comprises the following steps:
step one, connecting a conveying pipeline of waste incineration flue gas with one end of a gas inlet pipe I (12) on the left side of a dust removal box (11) by using a sealing flange plate, introducing flue gas purification treatment liquid into the interior of a purification box (21) through a liquid injection pipe (24), and starting a flue gas harmless treatment system;
secondly, the flue gas enters the interior of the dust removal box (11) through the air inlet pipe I (12), the flue gas firstly passes through a coarse filter (32) on the left side inside the dust removal box (11) to filter large-particle solid impurities contained in the flue gas, the large-particle solid impurities are blocked by the coarse filter (32), then the flue gas passing through the coarse filter (32) passes through a fine filter (33) on the right side inside the dust removal box (11) again to filter small-particle solid impurities contained in the flue gas, the small-particle solid impurities are blocked by the fine filter (33), and finally the flue gas after twice filtering enters an air guide pipe (6) through an air outlet pipe I (13) and then enters the interior of an air inlet pipe II (22) from the air guide pipe (6);
step three, the flue gas after twice filtration enters the interior of a purification box (21) through a second gas inlet pipe (22), the flue gas is sent into flue gas purification treatment liquid through the second gas inlet pipe (22), the flue gas is desulfurized by the flue gas purification treatment liquid, sulfides contained in the flue gas are absorbed by the flue gas purification treatment liquid, the flue gas after purification treatment by the treatment liquid passes through an adsorption component (5), the peculiar smell in the flue gas is adsorbed by the activated carbon in the adsorption component (5), and finally the flue gas is sent out through a second gas outlet pipe (23) to perform component determination on the sent flue gas;
step four, when twice smoke filtration is carried out in the dust removal box (11), two cleaning assemblies (4) are started, two output shafts of two servo motors (42) rotate clockwise to drive two screws (44) to rotate clockwise in two fixing plates (43) respectively, two movable blocks (45) displace downwards on the surfaces of the two screws (44), two cleaning brushes (47) are driven by connecting blocks (46) fixed on the front surfaces of the two movable blocks (45) to clean the surfaces of the coarse filter screen (32) and the fine filter screen (33) respectively, impurities on the surfaces of the coarse filter screen (32) and the fine filter screen (33) fall down, and finally when the dust removal box (11) stops working, two sealing doors (14) are opened to clean the impurities in the dust removal box (11).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289441A (en) * | 2021-06-04 | 2021-08-24 | 中国矿业大学 | Device and method for purifying domestic garbage cracking gasification tail gas |
| CN113680146A (en) * | 2021-09-02 | 2021-11-23 | 湖北中源环保科技有限公司 | Intelligent dust collecting and processing equipment and use method thereof |
| CN113750737A (en) * | 2021-08-23 | 2021-12-07 | 江苏锦东环境科技有限公司 | High-efficiency adsorption tower for hydrocarbon adsorption |
| CN114110615A (en) * | 2021-11-01 | 2022-03-01 | 江苏梵坤环保科技发展股份有限公司 | Environment-friendly waste incinerator who possesses waste gas recovery |
| CN114632386A (en) * | 2022-03-09 | 2022-06-17 | 安徽应天环保科技咨询有限公司 | Carbon emission reduction processing system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205760559U (en) * | 2016-05-30 | 2016-12-07 | 江苏三井环保股份有限公司 | Dual-alkali flue gas desulfurization device |
| CN209985191U (en) * | 2019-05-06 | 2020-01-24 | 深圳深兄环境有限公司 | Flue gas purification device for garbage treatment |
| CN210495625U (en) * | 2019-07-03 | 2020-05-12 | 王俊英 | Environment-friendly dust collector for melting furnace |
| CN211987658U (en) * | 2020-04-18 | 2020-11-24 | 王越平 | Warm air conditioner filter that leads to |
-
2020
- 2020-12-23 CN CN202011544326.2A patent/CN112844017A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205760559U (en) * | 2016-05-30 | 2016-12-07 | 江苏三井环保股份有限公司 | Dual-alkali flue gas desulfurization device |
| CN209985191U (en) * | 2019-05-06 | 2020-01-24 | 深圳深兄环境有限公司 | Flue gas purification device for garbage treatment |
| CN210495625U (en) * | 2019-07-03 | 2020-05-12 | 王俊英 | Environment-friendly dust collector for melting furnace |
| CN211987658U (en) * | 2020-04-18 | 2020-11-24 | 王越平 | Warm air conditioner filter that leads to |
Non-Patent Citations (1)
| Title |
|---|
| 岳涛 等 主编: "《工业锅炉大气污染控制技术与应用》", 30 November 2016, 中国环境出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289441A (en) * | 2021-06-04 | 2021-08-24 | 中国矿业大学 | Device and method for purifying domestic garbage cracking gasification tail gas |
| CN113750737A (en) * | 2021-08-23 | 2021-12-07 | 江苏锦东环境科技有限公司 | High-efficiency adsorption tower for hydrocarbon adsorption |
| CN113680146A (en) * | 2021-09-02 | 2021-11-23 | 湖北中源环保科技有限公司 | Intelligent dust collecting and processing equipment and use method thereof |
| CN114110615A (en) * | 2021-11-01 | 2022-03-01 | 江苏梵坤环保科技发展股份有限公司 | Environment-friendly waste incinerator who possesses waste gas recovery |
| CN114632386A (en) * | 2022-03-09 | 2022-06-17 | 安徽应天环保科技咨询有限公司 | Carbon emission reduction processing system |
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Application publication date: 20210528 |