CN113457398A - Multistage recyclable chemical flue gas desulfurization and denitrification equipment - Google Patents
Multistage recyclable chemical flue gas desulfurization and denitrification equipment Download PDFInfo
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- CN113457398A CN113457398A CN202110719528.4A CN202110719528A CN113457398A CN 113457398 A CN113457398 A CN 113457398A CN 202110719528 A CN202110719528 A CN 202110719528A CN 113457398 A CN113457398 A CN 113457398A
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- shell
- flue gas
- plate
- desulfurization
- pipe
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000003546 flue gas Substances 0.000 title claims abstract description 106
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 70
- 230000023556 desulfurization Effects 0.000 title claims abstract description 70
- 239000000126 substance Substances 0.000 title claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 230000000694 effects Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000001179 sorption measurement Methods 0.000 claims description 36
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- 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
Abstract
The invention discloses a multistage recyclable chemical flue gas desulfurization and denitrification device, which comprises: the upper side of the left end of the first supporting plate is fixedly provided with a primary cooling shell in a welding mode, the lower end of the primary cooling shell is provided with a first connecting pipe in a communicating mode, the left end of the first connecting pipe is provided with an inlet pipe, and the lower end of the first connecting pipe is provided with a first valve; the installation piece, it is installed at the inner wall of precooling shell, and the inner of installation piece is fixed to be provided with and connects the inner shell to the internally mounted who connects the inner shell has the cooling tube, the upper end intercommunication of precooling shell is provided with the second connecting pipe, and the right-hand member of second connecting pipe installs the carrier block, the discharging pipe is installed to the outer end of storing the pole. This multistage circulated chemical industry flue gas desulfurization denitration equipment, better the carrying on preliminary cooling of flue gas when equipment uses, improved the dwell time of flue gas, reach better desulfurization effect, carry out multistage circulating SOx/NOx control reaction with the flue gas.
Description
Technical Field
The invention relates to the technical field of chemical flue gas, in particular to a multistage recyclable chemical flue gas desulfurization and denitrification device.
Background
Chemical industry flue gas is one kind and contains suspended particles such as smoke and dust acid mist, and the variety is various, and is great to the harm of environment, so need carry out SOx/NOx control with chemical industry flue gas, current SOx/NOx control device still exists not enoughly, for example:
notice No. CN112473349A discloses a chemical plant flue gas desulfurization denitration dust collecting equipment, this device easy operation, can the efficient carry out desulfurization, denitration and dust removal operation to the flue gas, the practicality is strong.
If CN108452662A discloses an integrated method and equipment for recovering waste heat from denitration, desulfurization and dedusting of industrial flue gas, the whole device has simple structure, low cost, good effect and no industrial wastewater, and the concentrated mixed acid can be further utilized as a raw material for producing inorganic compound fertilizer and is a green recyclable device system.
Although the existing desulfurization and denitrification device carries out efficient desulfurization, denitrification and dedusting operations on flue gas, the flue gas cannot be better subjected to preliminary cooling when the device is used, the retention time of the flue gas cannot be better prolonged when the device is desulfurized, a better desulfurization effect is achieved, and the flue gas cannot be subjected to multistage circulating desulfurization and denitrification reactions after being desulfurized, so that the invention provides multistage circulating chemical flue gas desulfurization and denitrification equipment to solve the problems.
Disclosure of Invention
The invention aims to provide a multi-stage recyclable chemical flue gas desulfurization and denitrification device, which aims to solve the problems that when the device provided by the background art is used, flue gas cannot be better preliminarily cooled, the retention time of the flue gas cannot be better prolonged, a better desulfurization effect is achieved, and multi-stage recyclable desulfurization and denitrification reaction cannot be carried out on the flue gas.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multistage circulated chemical industry flue gas desulfurization denitration device, includes:
the upper side of the left end of the first supporting plate is fixedly provided with a primary cooling shell in a welding mode, the lower end of the primary cooling shell is provided with a first connecting pipe in a communicating mode, the left end of the first connecting pipe is provided with an inlet pipe, and the lower end of the first connecting pipe is provided with a first valve;
the mounting block is mounted on the inner wall of the primary cooling outer shell, the inner end of the mounting block is fixedly provided with a connecting inner shell, a cooling pipe is mounted inside the connecting inner shell, the upper end of the primary cooling outer shell is provided with a second connecting pipe in a communicating mode, the right end of the second connecting pipe is provided with a bearing block, an inner barrel of the bearing block is provided with a storage rod, and the outer end of the storage rod is provided with a discharging pipe;
the desulfurization shell is welded and fixed at the lower end of the bearing block, the lower end in the desulfurization shell is provided with the deceleration component, the rear end of the deceleration component is coaxially provided with the second motor, the right end of the desulfurization shell is provided with the drying box, the right end of the drying box is provided with the adsorption shell, the adsorption component is arranged in the adsorption shell, and the upper end of the adsorption shell is connected with the reaction tube;
the conveying pipe is welded at the right end of the adsorption shell, a second valve is installed at the left end of the conveying pipe, a connecting pipe is arranged at the right end of the conveying pipe, a placing barrel fixed with the first supporting plate is installed at the right end of the connecting pipe in a communicating mode, a filtering assembly is arranged inside the placing barrel, and second supporting plates are arranged at the upper ends of the placing barrel and the primary cooling shell;
and the first motor is arranged at the upper end of the second supporting plate through a bolt.
Adopt above-mentioned technical scheme, get into the chemical industry flue gas from the inside of inlet tube, will control the flue gas through first valve, when the flue gas enters into the inside of precooling shell, enter into the inside of connecting the inner shell and carry out the contact cooling with the cooling tube to carry out rudimentary cooling to the flue gas, discharging through the second connecting pipe, and first backup pad and second backup pad play and carry out the effect that supports to equipment.
As the preferable technical scheme of the invention, the connecting inner shell is connected with the primary cooling outer shell through the mounting block, and through holes for cooling the flue gas are arranged at equal intervals at the outer end of the connecting inner shell.
Adopt above-mentioned technical scheme, when the flue gas enters into the inside of primary cooling shell, partial flue gas passes through the through-hole under the effect of installation piece, and the outer end of connecting the inner shell pass through with the cooling tube be connected to carry out the contact cooling with cooling tube and flue gas, carry out through the through-hole of connecting the inner shell upper end after the flue gas cooling.
As the preferred technical scheme of the invention, the speed reduction assembly consists of parallel plates, a stabilizing plate, a spring, a limiting plate and a vertical block;
a parallel plate installed at an inner lower end of the desulfurization case;
the stabilizing plate is rotatably arranged at the lower end of the parallel plate;
the spring is embedded on the outer surface of the stabilizing plate;
the limiting plate is fixed on the inner wall of the lower end of the desulfurization shell and is connected with the stabilizing plate;
and the vertical block is rotatably arranged inside the desulfurization shell and rotates through the second motor.
Adopt above-mentioned technical scheme, flue gas after the cooling enters into the inside of carrying the carrier block in the second connecting tube, drives through first motor and stores the pole rotation to make the inside flue gas of desulfurization shell carry out the desulfurization, the spring stretches out and draws back simultaneously, reciprocates the parallel plate, kick-backs the flue gas, reduces the flow velocity of flue gas.
As a preferable technical scheme of the invention, the stabilizing plate and the limiting plate are arranged in a relatively movable mode under the action of the spring, the longitudinal section of the stabilizing plate is in a U shape for stably supporting the parallel plates, and the lower surface of the stabilizing plate is attached to the upper ends of the vertical blocks.
Adopt above-mentioned technical scheme, through controlling the second motor, make the riser rotate at the lower extreme of desulfurization shell, when the riser was laminated with the lower extreme of steadying plate, because the limiting plate was fixed with the desulfurization shell to make the spring tensile, shift up the parallel plate, thereby kick-backing the flue gas, reach better desulfurization effect.
As a preferred technical scheme of the invention, the adsorption assembly is composed of a porous plate and a side plate;
a porous plate which is arranged inside the adsorption shell in a clamping way;
and the side plate is arranged on the outer end surface of the porous plate.
By adopting the technical scheme, after the flue gas is desulfurized, the flue gas enters the drying oven to be dried and then is conveyed to the inside of the adsorption shell, and the flue gas is adsorbed by the activated carbon through the side plates.
As a preferable technical scheme of the invention, the perforated plate is arranged in the desulfurization shell at equal intervals to achieve the effect of multiple adsorption, and the side plates are arranged in bilateral symmetry about the vertical axis of the perforated plate.
Adopt above-mentioned technical scheme, when the flue gas after the desulfurization passes through the left end of adsorption shell, enter into the inside and the adsorption component of adsorption shell in proper order and contact, reach better adsorption effect, enter into the inside of reaction tube through the through-hole of adsorption shell upper end.
As the preferred technical scheme of the invention, the filter assembly consists of a positioning plate, a filter cartridge, a filter disc and a pin column;
the positioning plate is clamped inside the placing barrel;
the filter cylinder is welded and fixed on the right end surface of the positioning plate;
the filter disc is attached and fixed on the inner wall of the filter cylinder;
the pin post, it runs through the right-hand member at placing the bucket.
Adopt above-mentioned technical scheme, through placing the denitration inside of placing the bucket, will filter assembly block to the inside of placing the bucket to filter the denitration liquid, through the flow of second valve control denitration liquid, carry out denitration reaction with the inside flue gas of reaction tube when flowing the inside of conveyer pipe.
As a preferred technical scheme of the invention, the filter sheets are attached to the inside of the filter cylinder at equal intervals to achieve the effect of multiple times of filtering, and the pin column is clamped with the right end of the filter cylinder.
Adopt above-mentioned technical scheme, run through the inside of placing the bucket through the round pin post, carry out the block with the right-hand member of cartridge filter to carry on spacingly to the cartridge filter, the convenience is changed the cartridge filter.
As a preferred technical scheme of the invention, the discharge pipes are arranged at the outer ends of the bearing blocks in a vertically staggered manner, and the longitudinal sections of the inner parts of the bearing blocks on the upper sides of the discharge pipes are funnel-shaped and can flow rapidly.
Adopt above-mentioned technical scheme, when carrying out the desulfurization, through the inside that enters into the discharging pipe with the doctor solution inside storing the pole, rotate through first motor, will store the pole and rotate, volatilize the doctor solution and spill to make the desulfurization more thorough.
As a preferred technical scheme of the invention, the reaction tube is communicated with the conveying pipe through the second valve, and the first supporting plate and the second supporting plate are welded and fixed at the right end of the conveying pipe up and down to play a role in supporting the device.
Adopt above-mentioned technical scheme, when the flue gas flows from the upper end of adsorbing the shell, the denitration also follows the inside of the reaction tube who removes from the inside of conveyer pipe and carries out the denitration, can carry the flue gas once more after the denitration to reach the effect of circulation SOx/NOx control.
Compared with the prior art, the invention has the beneficial effects that: according to the multistage recyclable chemical flue gas desulfurization and denitrification equipment, when the equipment is used, flue gas is better subjected to preliminary cooling, the retention time of the flue gas is prolonged, a better desulfurization effect is achieved, and the flue gas is subjected to multistage cyclic desulfurization and denitrification reaction;
1. the inner shell is connected with the primary cooling shell through the mounting block, chemical flue gas enters from the inside of the inlet pipe, when the flue gas enters into the primary cooling shell, part of the flue gas passes through the through holes under the action of the mounting block, the outer end of the inner shell is connected with the cooling pipe through the through holes, the outer end of the inner shell is connected with the through holes for cooling the flue gas at equal intervals, so that the cooling pipe is in contact with the flue gas for cooling, the flue gas flows in the multiple holes in the primary cooling shell, and the flue gas is conveyed out through the through holes in the upper end of the inner shell after being cooled, so that a better cooling effect is achieved;
2. set up crisscross from top to bottom in the outer end of carrier block through the discharging pipe, through the inside of entering into the discharging pipe with the doctor solution of storage pole, when first motor rotates, make the storage pole rotate, volatilize the doctor solution, and the steadying plate sets up with the relative movement of limiting plate under the effect of spring, flue gas after the cooling enters into the inside of carrying the carrier block in the second connecting tube, drive the storage pole through first motor and rotate, thereby make the inside flue gas of desulfurization shell carry out the desulfurization, the spring stretches out and draws back simultaneously, reciprocate the parallel plate, kick-back the flue gas, reduce the flow velocity of flue gas, thereby carry out abundant desulfurization;
3. reach many times absorbent effect through the perforated plate at the inside equidistant setting of desulfurization shell, the inside that enters into the drying cabinet is dried after, carry the inside of adsorbing the shell, carry out activated carbon adsorption with it through the curb plate, the flue gas flows the inside of reaction tube, and the equidistant laminating setting of inside of cartridge filter reaches many times filterable effect, through placing the inside of placing the bucket with the denitration, with the inside of filter assembly block to placing the bucket, thereby filter the denitration liquid, the denitration also follows the inside of the reaction tube of the inside removal from the conveyer pipe and carries out the denitration, can carry the flue gas again after the denitration, thereby reach circulation SOx/NOx control's effect.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of the overall structure of the adsorption assembly according to the present invention;
FIG. 5 is a schematic view of the overall structure of the connection between the deceleration component and the second motor according to the present invention;
FIG. 6 is a schematic view of the connection structure of the filter assembly of the present invention.
In the figure: 1. a first support plate; 2. preliminarily cooling the shell; 3. a second support plate; 4. an inlet tube; 5. a first connecting pipe; 6. a first valve; 7. mounting blocks; 8. a cooling tube; 9. connecting the inner shell; 10. a second connecting pipe; 11. a first motor; 12. a bearing block; 13. a devulcanized outer shell; 14. a discharge pipe; 15. a speed reduction assembly; 1501. parallel plates; 1502. a stabilizing plate; 1503. a spring; 1504. a limiting plate; 1505. a vertical block; 16. a storage pole; 17. a drying oven; 18. an adsorption housing; 19. a reaction tube; 20. an adsorption component; 2001. a perforated plate; 2002. a side plate; 21. a second valve; 22. a delivery pipe; 23. connecting the pipe; 24. a filter assembly; 2401. positioning a plate; 2402. a filter cartridge; 2403. a filter disc; 2404. a pin; 25. placing the barrel; 26. a second motor.
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. 1-6, the present invention provides a technical solution: a multistage recyclable chemical flue gas desulfurization and denitrification device is characterized in that a primary cooling shell 2 is fixedly welded on the upper side of the left end of a first supporting plate 1, a first connecting pipe 5 is arranged at the lower end of the primary cooling shell 2 in a communicating mode, an inlet pipe 4 is arranged at the left end of the first connecting pipe 5, chemical flue gas enters the inlet pipe 4, and a first valve 6 is arranged at the lower end of the first connecting pipe 5; the flue gas is controlled through the first valve 6, and when the flue gas enters the primary cooling outer shell 2, the flue gas enters the inner part of the connecting inner shell 9 and is in contact cooling with the cooling pipe 8, so that the flue gas is primarily cooled;
as shown in fig. 1, the upper end of the primary cooling outer shell 2 is communicated with a second connecting pipe 10, the primary cooling outer shell 2 is discharged through the second connecting pipe 10, a mounting block 7 is mounted on the inner wall of the primary cooling outer shell 2, the inner end of the mounting block 7 is fixedly provided with a connecting inner shell 9, the inner part of the connecting inner shell 9 is provided with a cooling pipe 8, the connecting inner shell 9 is connected with the primary cooling outer shell 2 through the mounting block 7, the outer end of the connecting inner shell 9 is provided with through holes for cooling flue gas at equal intervals, when flue gas enters the interior of the primary cooling outer shell 2, part of the flue gas passes through the through holes under the action of the mounting block 7, the outer end of the connecting inner shell 9 is connected with the cooling pipe 8, so that the cooling pipe 8 is in contact with the flue gas for cooling, after the flue gas is cooled, the flue gas is conveyed out through the through holes at the upper end of the connecting inner shell 9, so as to primarily cool the flue gas, and the right end of the second connecting pipe 10 is provided with a bearing block 12, the desulfurization shell 13 is welded and fixed at the lower end of the bearing block 12 to desulfurize the flue gas, the storage rod 16 is arranged in the inner barrel of the bearing block 12, the discharge pipe 14 is installed at the outer end of the storage rod 16, the drying box 17 is arranged at the right end of the desulfurization shell 13, so that the flue gas is dried through the drying box 17, the adsorption shell 18 is installed at the right end of the drying box 17, the adsorption component 20 is arranged in the adsorption shell 18, the flue gas is adsorbed through the adsorption component 20, the upper end of the adsorption shell 18 is connected with the reaction tube 19, and the flue gas moves to the upper end of the reaction tube 19; and the inside of placing bucket 25 is provided with filtering component 24, will carry out complete SOx/NOx control to the flue gas.
As shown in fig. 1, 2 and 5, since the inner lower end of the desulfurization casing 13 is provided with the parallel plate 1501, the rear end of the vertical block 1505 is coaxially provided with the second motor 26, and the stabilizing plate 1502 is rotatably arranged at the lower end of the parallel plate 1501; when cooled flue gas enters the second connecting pipe 10 and is conveyed to the inside of the bearing block 12, the longitudinal section of the inside of the bearing block 12 on the upper side of the discharge pipe 14 is in a funnel shape capable of flowing fast, the flue gas moves to the inside of the desulfurization shell 13 through the bearing block 12, the storage rod 16 is driven to rotate through the first motor 11, so that the flue gas inside the desulfurization shell 13 is desulfurized, the discharge pipe 14 is arranged at the outer end of the bearing block 12 in a vertically staggered mode, so that desulfurization liquid is sprayed more uniformly to perform desulfurization reaction with the flue gas, and when the flue gas flows to the lower end of the desulfurization shell 13, the spring 1503 is embedded on the outer surface of the stabilizing plate 1502; a limiting plate 1504 fixed to the inner wall of the lower end of the desulfurization case 13 and connected to the stabilizing plate 1502; its rotation setting of riser 1505 rotates through second motor 26 in the inside of desulfurization shell 13, when second motor 26 drives riser 1505 and rotates, make spring 1503 tensile, stretch out and draw back stabilizer plate 1502 at the inside of limiting plate 1504, stabilizer plate 1502 and limiting plate 1504 relative movement setting under the effect of spring 1503, and stabilizer plate 1502 longitudinal section is for carrying out the "U" style of calligraphy that stably supports to parallel plate 1501, and stabilizer plate 1502's lower surface and the laminating setting of the upper end of riser 1505, spring 1503 stretches out and draws back simultaneously, reciprocate parallel plate 1501, kick-back the flue gas, reduce the flow velocity of flue gas, thereby reach better desulfurization effect.
Specifically, as shown in fig. 1 and 4, the porous plate 2001 is engaged with and disposed inside the adsorption casing 18; the side plates 2002 are arranged on the outer end face of the porous plate 2001, after flue gas is desulfurized, the flue gas enters the drying box 17 to be dried and then is conveyed into the adsorption shell 18, the flue gas is adsorbed by activated carbon through the side plates 2002, the porous plates 2001 are arranged in the desulfurization shell 13 at equal intervals to achieve the effect of multiple adsorption, the side plates 2002 are arranged in bilateral symmetry with respect to the vertical axis of the porous plate 2001, the flue gas sequentially enters the adsorption shell 18 to be in contact with the adsorption component 20, a better adsorption effect is achieved, and the positioning plate 2401 is clamped and arranged in the placing barrel 25; the filter cartridge 2402 is welded and fixed on the right end face of the positioning plate 2401; the filter sheet 2403 is attached and fixed on the inner wall of the filter cartridge 2402, the pin 2404 penetrates through the right end of the placing barrel 25, denitration is placed inside the placing barrel 25, the filter assembly 24 is clamped inside the placing barrel 25 to filter denitration liquid, the flow of the denitration liquid is controlled through the second valve 21, denitration reaction is carried out on flue gas inside the reaction tube 19 when the denitration liquid flows inside the conveying tube 22, the filter sheet 2403 is attached to the inside of the filter cartridge 2402 at equal intervals to achieve the effect of multiple times of filtering, the pin 2404 is clamped with the right end of the filter cartridge 2402, the pin 2404 penetrates through the inside of the placing barrel 25, the right end of the filter cartridge 2402 is clamped to limit the filter cartridge 2402, the filter cartridge 2402 is convenient to be replaced, the reaction tube 19 is communicated with the conveying tube 22 through the second valve 21, the denitrated flue gas enters the inside of the reaction tube 19, carry out the denitration reaction, get into the flue gas from the inside of inlet tube 4 again after the denitration, the circulation SOx/NOx control, and equal welded fastening plays the effect of supporting the device in the right-hand member of conveyer pipe 22 about first backup pad 1 and second backup pad 3, has increased the stability of placing the device, and this is exactly this multistage circulated chemical industry flue gas SOx/NOx control equipment's application method.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a multistage circulated chemical industry flue gas desulfurization denitration device which characterized in that includes:
the upper side of the left end of the first supporting plate is fixedly provided with a primary cooling shell in a welding mode, the lower end of the primary cooling shell is provided with a first connecting pipe in a communicating mode, the left end of the first connecting pipe is provided with an inlet pipe, and the lower end of the first connecting pipe is provided with a first valve;
the mounting block is mounted on the inner wall of the primary cooling outer shell, the inner end of the mounting block is fixedly provided with a connecting inner shell, a cooling pipe is mounted inside the connecting inner shell, the upper end of the primary cooling outer shell is provided with a second connecting pipe in a communicating mode, the right end of the second connecting pipe is provided with a bearing block, an inner barrel of the bearing block is provided with a storage rod, and the outer end of the storage rod is provided with a discharging pipe;
the desulfurization shell is welded and fixed at the lower end of the bearing block, the lower end in the desulfurization shell is provided with the deceleration component, the rear end of the deceleration component is coaxially provided with the second motor, the right end of the desulfurization shell is provided with the drying box, the right end of the drying box is provided with the adsorption shell, the adsorption component is arranged in the adsorption shell, and the upper end of the adsorption shell is connected with the reaction tube;
the conveying pipe is welded at the right end of the adsorption shell, a second valve is installed at the left end of the conveying pipe, a connecting pipe is arranged at the right end of the conveying pipe, a placing barrel fixed with the first supporting plate is installed at the right end of the connecting pipe in a communicating mode, a filtering assembly is arranged inside the placing barrel, and second supporting plates are arranged at the upper ends of the placing barrel and the primary cooling shell;
and the first motor is arranged at the upper end of the second supporting plate through a bolt.
2. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 1, characterized in that: connect the inner shell and be connected with the primary cooling shell through the installation piece to the outer end of connecting the inner shell is equidistant to be provided with and carries out refrigerated through-hole to the flue gas.
3. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 1, characterized in that: the speed reduction assembly consists of parallel plates, a stabilizing plate, a spring, a limiting plate and a vertical block;
a parallel plate installed at an inner lower end of the desulfurization case;
the stabilizing plate is rotatably arranged at the lower end of the parallel plate;
the spring is embedded on the outer surface of the stabilizing plate;
the limiting plate is fixed on the inner wall of the lower end of the desulfurization shell and is connected with the stabilizing plate;
and the vertical block is rotatably arranged inside the desulfurization shell and rotates through the second motor.
4. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 3, characterized in that: the stabilizing plate and the limiting plate move relatively under the action of the spring, the longitudinal section of the stabilizing plate is in a U shape for stably supporting the parallel plates, and the lower surface of the stabilizing plate is attached to the upper ends of the vertical blocks.
5. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 1, characterized in that: the adsorption assembly consists of a porous plate and a side plate;
a porous plate which is arranged inside the adsorption shell in a clamping way;
and the side plate is arranged on the outer end surface of the porous plate.
6. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 5, characterized in that: the perforated plate is equidistant to be set up in the inside of desulfurization shell and reaches the effect of absorption many times, and the curb plate sets up about the vertical axis bilateral symmetry of perforated plate.
7. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 1, characterized in that: the filtering component consists of a positioning plate, a filtering cylinder, a filtering sheet and a pin column;
the positioning plate is clamped inside the placing barrel;
the filter cylinder is welded and fixed on the right end surface of the positioning plate;
the filter disc is attached and fixed on the inner wall of the filter cylinder;
the pin post, it runs through the right-hand member at placing the bucket.
8. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 7, characterized in that: the filter disc is in the equidistant laminating setting of the inside of cartridge filter and reaches filterable effect many times, and the right-hand member block setting of round pin post and cartridge filter.
9. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 1, characterized in that: the discharging pipe is arranged at the outer end of the bearing block in a vertically staggered mode, and the longitudinal section of the interior of the bearing block on the upper side of the discharging pipe is of a funnel type capable of flowing fast.
10. The multistage recyclable chemical flue gas desulfurization and denitrification device according to claim 1, characterized in that: the reaction tube is communicated with the conveying pipe through the second valve, and the first supporting plate and the second supporting plate are welded and fixed at the right end of the conveying pipe up and down to play a role in supporting the device.
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| CN202110719528.4A CN113457398A (en) | 2021-06-28 | 2021-06-28 | Multistage recyclable chemical flue gas desulfurization and denitrification equipment |
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| JP2002153727A (en) * | 2000-11-21 | 2002-05-28 | Babcock Hitachi Kk | Double chamber type wet flue gas desulfurization device |
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