CN117138463B - Boiler flue gas desulfurization and denitrification integrated device with waste heat deep recovery function - Google Patents
Boiler flue gas desulfurization and denitrification integrated device with waste heat deep recovery function Download PDFInfo
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- CN117138463B CN117138463B CN202311115334.9A CN202311115334A CN117138463B CN 117138463 B CN117138463 B CN 117138463B CN 202311115334 A CN202311115334 A CN 202311115334A CN 117138463 B CN117138463 B CN 117138463B
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- flue gas
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- 238000011084 recovery Methods 0.000 title claims abstract description 48
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003546 flue gas Substances 0.000 title claims abstract description 36
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 21
- 230000023556 desulfurization Effects 0.000 title claims abstract description 21
- 239000002918 waste heat Substances 0.000 title claims abstract description 18
- 238000011045 prefiltration Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 53
- 238000001914 filtration Methods 0.000 claims description 48
- 230000005540 biological transmission Effects 0.000 claims description 30
- 238000004064 recycling Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 239000011148 porous material Substances 0.000 description 8
- 239000000779 smoke Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- 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
-
- 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
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention relates to the technical field related to boiler flue gas treatment, in particular to a boiler flue gas desulfurization and denitrification integrated device with a waste heat deep recovery function, which comprises an air inlet channel, a prefilter cavity, a recovery cavity, an ash collection cavity, a prefilter piece, an energy recovery component and a generator set, wherein the prefilter cavity is communicated with the rear side end of the air inlet channel, an installation seat is fixedly welded on the side wall of the prefilter cavity, and the installation seat is in a rectangular frame structure; through setting up by inlet channel, prefilter chamber, retrieve chamber, album ash chamber, prefilter spare, energy recovery subassembly and generating set combination constitute the boiler flue gas desulfurization denitration integrated device of taking waste heat degree of depth recovery function to the effort when circulating through the flue gas drives the energy recovery subassembly in retrieving the chamber and moves, thereby drives generating set and moves, thereby realizes the make full use of to the flue gas energy.
Description
Technical Field
The invention relates to the technical field related to boiler flue gas treatment, in particular to a boiler flue gas desulfurization and denitrification integrated device with a waste heat deep recovery function.
Background
The boiler is an energy conversion device, the energy input to the boiler is chemical energy and electric energy in fuel, and the boiler outputs steam, high temperature water or organic heat carrier with certain heat energy.
The invention provides a boiler flue gas desulfurization and denitrification integrated device with a waste heat deep recovery function, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a boiler flue gas desulfurization and denitrification integrated device with a waste heat deep recovery function, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a boiler flue gas desulfurization denitration integrated device of waste heat degree of depth recovery function in area, boiler flue gas desulfurization denitration integrated device of waste heat degree of depth recovery function includes:
An air intake passage;
the pre-filtering cavity is communicated with the rear side end of the air inlet channel, and the side wall of the pre-filtering cavity is fixedly welded with a mounting seat which is in a rectangular frame structure;
The recycling cavity is communicated with the upper side end of the pre-filtering cavity, a plurality of rotating shaft seats are fixedly welded on the side wall of the recycling cavity, the rotating shaft seats are arranged on the side wall of the recycling cavity at equal intervals, bearings are fixedly arranged at the central positions of the rotating shaft seats, an exhaust channel is arranged at the rear side end of the recycling cavity, and the exhaust channel is connected with an air inlet port of the desulfurization and denitrification mechanism through a flue gas pipeline;
The dust collecting cavity is communicated with the lower side end of the prefilter cavity, a cleaning opening is formed in the side wall of the dust collecting cavity, and a sealing door is arranged at the cleaning opening;
The pre-filtering piece is fixed on the mounting seat through a connecting piece;
The energy recovery assembly is formed by combining a rotating shaft, a blade seat and blades, the rotating shaft is rotatably installed on the rotating shaft seat through a bearing, a primary belt pulley is fixedly installed at the rear side end of the rotating shaft, a transmission shaft is rotatably installed on the rear side wall of the recovery cavity, a secondary belt pulley is fixedly installed on the transmission shaft, and the secondary belt pulley is in transmission connection with the primary belt pulley through a transmission belt;
The generator set is fixed on the outer side wall of the recovery cavity, and an input shaft of the generator set is in transmission connection with the transmission shaft through the coupler.
Preferably, the blade seat is provided with a plurality of blades at equal intervals on the rotating shaft, the blades are provided with a circle of blades on the blade seat at equal circumferences, and the blades on the adjacent blade seats are arranged in a staggered mode.
Preferably, the central hole has been seted up in the pivot run through, blade seat and pivot integrated into one piece, and set up one-level connecting hole and second grade connecting hole on the blade seat, one-level connecting hole and second grade connecting hole all are linked together with the central hole and set up, and separate through the baffle between one-level connecting hole, the second grade connecting hole, integrated into one piece has one-level water conduit and second grade water conduit on the blade, one-level water conduit is linked together with the central hole through one-level connecting hole, the second grade water conduit is linked together with the central hole through the second grade connecting hole, communicate through the connecting channel between one-level water conduit and the second grade water conduit, and the connecting channel is equidistant to be provided with the multichannel between one-level water conduit and the second grade water conduit.
Preferably, the front end and the rear end of the side wall of the inner cavity of the recovery cavity are respectively fixedly provided with a first-stage positioning bracket and a second-stage positioning bracket, the first-stage positioning bracket and the second-stage positioning bracket are respectively fixedly provided with a first-stage connecting pipeline and a second-stage connecting pipeline, the first-stage connecting pipeline and the second-stage connecting pipeline are hard pipelines, the first-stage connecting pipeline and the second-stage connecting pipeline are rotatably arranged in a central hole of a rotating shaft through sealing bearings, and the first-stage connecting pipeline is connected with a water supply system through a first-stage water conveying pipe.
Preferably, the prefilter is platy setting, and the filtration pore on the prefilter comprises upper filter pore and lower filter pore combination, upper filter pore, lower filter pore are quadrangular frustum pyramid notch structure, and upper filter pore and lower filter pore are linked together and are set up, and the big port of lower filter pore sets up downwards.
Preferably, the front side and the rear side of the prefilter are respectively provided with a connecting water cavity, the connecting water cavities at two sides are communicated through a secondary water cavity, the connecting water cavities at two sides are respectively connected with a primary pipeline connector and a secondary pipeline connector, the primary pipeline connector is connected with a secondary connecting pipeline through a primary infusion hose, and the secondary pipeline connector is connected with a liquid inlet system of a boiler through a secondary infusion hose.
Preferably, friction protrusions are arranged on the side wall of the lower filtering hole, the friction protrusions are of a frame-shaped protrusion structure with semicircular cross sections, and a plurality of friction protrusions are arranged on the side wall of the lower filtering hole at equal intervals.
Preferably, the connecting piece is formed by combining a primary elastic support body and a secondary elastic support body, wherein the primary elastic support body is of a shuttle-shaped frame body structure, the secondary elastic support body is of an oval frame body structure, the primary elastic support body and the secondary elastic support body are integrally formed, and the primary elastic support body and the secondary elastic support body are cast by spring steel.
Preferably, when the prefilter is actually installed, the primary pipe connector and the secondary pipe connector on the prefilter pass through the through holes formed in the prefilter cavity, flexible rubber backing rings are arranged between the side walls of the primary pipe connector and the secondary pipe connector and the side walls of the through holes, and at the moment, gaps are reserved between the edges of the prefilter and the edges of the prefilter cavity.
Preferably, the transmission gear is fixedly installed on the outer side wall of the front side end of the rotating shaft, the rotating rod support is fixedly installed on the side wall of the recovery cavity, the rotating rod is rotatably installed on the rotating rod support, the driven gear is fixedly installed on the rotating rod and is meshed with the transmission gear, the guide rod is fixedly installed on the top surface of the prefilter cavity, the sliding seat is slidably installed on the guide rod, the first-stage connecting rod is rotatably installed at the tail end of the rotating rod, the second-stage connecting rod is rotatably installed at the tail end of the first-stage connecting rod, the second-stage connecting rod is rotatably connected with the sliding seat, the impact rod is fixedly installed at the lower end face of the sliding seat, and when the sliding seat moves to the bottommost side, the impact rod collides with the prefilter.
Compared with the prior art, the invention has the beneficial effects that:
1. The boiler flue gas desulfurization and denitrification integrated device with the waste heat deep recovery function, which is formed by combining an air inlet channel, a prefilter cavity, a recovery cavity, an ash collecting cavity, a prefilter piece, an energy recovery component and a generator set, is arranged, so that the energy recovery component in the recovery cavity is driven to move by acting force during flue gas circulation, the generator set is driven to move, and the full utilization of flue gas energy is realized;
2. And through setting up the energy recuperation subassembly to by pivot, blade seat and blade combination constitution, and run through in the pivot and set up the centre bore, and through set up one-level connecting hole and second grade connecting hole on the blade seat, and separate one-level connecting hole, second grade connecting hole through the baffle, thereby let the cooling water circulate through one-level water guide pipe on the blade, the connecting channel, second grade water guide pipe, thereby realize carrying out heat transfer with high temperature flue gas, and can effectively improve heat transfer area, thereby improve heat transfer efficiency, and the energy recuperation subassembly forms the rotation under the flow effect of flue gas, thereby make the continuous formation of its inside water turn-over effect, thereby further promote water and flue gas to exchange heat.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a rear side view of the present invention;
FIG. 3 is a half cross-sectional view of the present invention;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3A;
FIG. 5 is a schematic view of the installation location of the energy recovery assembly of the present invention;
FIG. 6 is a schematic view of the energy recovery assembly of the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at C;
FIG. 8 is a half cross-sectional view of a prefilter of the present invention;
FIG. 9 is an enlarged schematic view of the structure shown at B in FIG. 8;
FIG. 10 is a schematic view of a blade distribution according to the present invention;
FIG. 11 is a half cross-sectional view of a spindle of the present invention;
FIG. 12 is a half cross-sectional view of a blade according to the present invention;
Fig. 13 is an enlarged schematic view of the structure at D in fig. 12.
In the figure: an air intake passage 1, a prefilter chamber 2, a recovery chamber 3, an ash collecting chamber 4, a prefilter 5, an energy recovery module 6, a mount 7, a connector 8, a pivot seat 9, a pivot 10, a vane seat 11, a vane 12, a bearing 13, a primary pulley 14, a drive shaft 15, a secondary pulley 16, a drive belt 17, a center hole 18, a secondary positioning bracket 19, a primary positioning bracket 20, a secondary connecting pipe 21, a primary connecting pipe 22, a primary connecting hole 23, a secondary connecting hole 24, a primary water conduit 25, a secondary water conduit 26, a connecting passage 27, an air discharge passage 28, an upper filter hole 29, a lower filter hole 30, a connecting water chamber 31, a primary pipe connector 32, a secondary pipe connector 33, a secondary water chamber 34, friction protrusions 35, a primary elastic support 36, a secondary elastic support 37, a flexible rubber grommet 38, a drive gear 39, a rotary rod bracket 40, a rotary rod 41, a driven gear 42, a primary connecting rod 43, a secondary 44, a guide rod 45, a slider 46, a striker 47, a sealing door 48, and a partition 50.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIGS. 1-13, the present invention provides the following six preferred embodiments
Example 1
The utility model provides a boiler flue gas desulfurization denitration integrated device of waste heat degree of depth recovery function, boiler flue gas desulfurization denitration integrated device of waste heat degree of depth recovery function includes inlet channel 1, prefilter chamber 2, retrieve chamber 3, collect grey chamber 4, prefilter spare 5, energy recovery subassembly 6 and generating set, prefilter chamber 2 is linked together with the rear side end of inlet channel 1, and fixed welding has mount pad 7 on the lateral wall of prefilter chamber 2, mount pad 7 is rectangular frame body structure, retrieve chamber 3 and the upside end intercommunication of prefilter chamber 2 and set up, fixed welding has pivot seat 9 on the lateral wall of retrieve chamber 3, pivot seat 9 equidistant is provided with a plurality of on the lateral wall of retrieve chamber 3, and the central point of pivot seat 9 puts equal fixed mounting has bearing 13, the rear side end of retrieve chamber 3 is provided with exhaust passage 28, and exhaust passage 28 is connected with the inlet port of desulfurization denitration mechanism through the flue gas pipeline, collect grey chamber 4 and the downside end of prefilter chamber 2 link to each other and set up, and be provided with the clearance mouth on the lateral wall of collection grey chamber 4, and clean-up mouthful position is provided with the blade 5 on the lateral wall of prefilter chamber 6, install the pulley wheel assembly is installed through the pivot seat 10 and is installed to the clearance mouth position on the drive pulley assembly 10, the pulley assembly is installed on the drive pulley assembly 15 through the transmission shaft assembly is installed at 10 and is connected with the transmission shaft assembly 15, the pulley 15 is fixed to the transmission shaft assembly is installed at 15, the transmission pulley 15 is installed at the transmission stage 15, the transmission pulley 15 is connected with the transmission pulley 15 through the transmission pulley 15 on the transmission shaft 15 through the end 15, the transmission pulley 15 is installed at the end 15, the transmission pulley 15 has the level 15, the level is connected with the transmission pulley 15.
The blade seat 11 is provided with a plurality of on the pivot 10 equidistant, and blade 12 is provided with the round on blade seat 11 equidistant circumference, and is dislocation set between the blade 12 on the adjacent blade seat 11, through setting up by inlet channel 1, prefilter chamber 2, retrieve chamber 3, collection ash chamber 4, prefilter 5, energy recovery subassembly 6 and the boiler flue gas desulfurization denitration integrated device of the waste heat degree of depth recovery function that generator unit combination constitutes to the effort when circulating through the flue gas drives the energy recovery subassembly 6 in retrieving chamber 3 and moves, thereby drives the generator unit and moves, thereby realizes the make full use of flue gas energy.
Example two
On the basis of the first embodiment, a central hole 18 is formed in the rotating shaft 10 in a penetrating manner, the blade seat 11 and the rotating shaft 10 are integrally formed, a primary connecting hole 23 and a secondary connecting hole 24 are formed in the blade seat 11, the primary connecting hole 23 and the secondary connecting hole 24 are communicated with the central hole 18, the primary connecting hole 23 and the secondary connecting hole 24 are separated by a partition 50, a primary water conduit 25 and a secondary water conduit 26 are integrally formed in the blade 12, the primary water conduit 25 is communicated with the central hole 18 through the primary connecting hole 23, the secondary water conduit 26 is communicated with the central hole 18 through the secondary connecting hole 24, the primary water conduit 25 and the secondary water conduit 26 are communicated through a connecting channel 27, and a plurality of connecting channels 27 are formed between the primary water conduit 25 and the secondary water conduit 26 at equal intervals.
The front end and the rear end of the side wall of the inner cavity of the recovery cavity 3 are respectively and fixedly provided with a first-stage positioning bracket 20 and a second-stage positioning bracket 19, the first-stage positioning bracket 20 and the second-stage positioning bracket 19 are respectively and fixedly provided with a first-stage connecting pipeline 22 and a second-stage connecting pipeline 21, the first-stage connecting pipeline 22 and the second-stage connecting pipeline 21 are both hard pipelines, the first-stage connecting pipeline 22 and the second-stage connecting pipeline 21 are both rotatably arranged in a central hole 18 on a rotating shaft 10 through sealed bearings, the first-stage connecting pipeline 22 is connected with a water supply system through a first-stage water pipe, the energy recovery assembly 6 is formed by combining the rotating shaft 10, a blade seat 11 and blades 12, the central hole 18 is formed on the rotating shaft 10 in a penetrating way, and through seting up one-level connecting hole 23 and second grade connecting hole 24 on blade seat 11 to separate one-level connecting hole 23, second grade connecting hole 24 through baffle 50, thereby let the cooling water circulate through one-level water guide pipe 25, connecting channel 27, second grade water guide pipe 26 on the blade 12, thereby realize carrying out the heat transfer with high temperature flue gas, and can effectively improve heat transfer area, thereby improve heat exchange efficiency, and energy recovery unit 6 forms the rotation under the flow effect of flue gas, thereby let the continuous formation of its inside water turn the effect, thereby further promote water and flue gas heat transfer, thereby reach the reuse to the temperature energy in the flue gas.
Example III
On the basis of the second embodiment, the pre-filtering piece 5 is in a plate shape, the filtering holes on the pre-filtering piece 5 are formed by combining an upper filtering hole 29 and a lower filtering hole 30, the upper filtering hole 29 and the lower filtering hole 30 are of a quadrangular frustum notch structure, the upper filtering hole 29 and the lower filtering hole 30 are communicated, a big port of the lower filtering hole 30 is arranged downwards, and the quadrangular frustum type lower filtering hole 30 is adopted, so that when smoke passes through the lower filtering hole 30, contact collision is formed between the smoke and the side wall of the lower filtering hole 30, and the effect of preliminary separation of dust in the smoke is achieved.
Example IV
On the basis of the third embodiment, the front side and the rear side of the pre-filter 5 are respectively provided with a connecting water cavity 31, the connecting water cavities 31 on two sides are communicated through a secondary water cavity 34, the connecting water cavities 31 on two sides are respectively connected with a primary pipeline connector 32 and a secondary pipeline connector 33, the primary pipeline connector 32 is connected with the secondary connecting pipeline 21 through a primary infusion hose, and the secondary pipeline connector 33 is connected with a liquid inlet system of the boiler through a secondary infusion hose.
Example five
On the basis of the fourth embodiment, friction protrusions 35 are arranged on the side wall of the lower filtering hole 30, the friction protrusions 35 are of a frame-shaped protrusion structure with semicircular cross sections, multiple channels are arranged on the side wall of the lower filtering hole 30 at equal intervals, and the blocking effect of the lower filtering hole 30 on dust in smoke dust is improved.
Example six
On the basis of the fifth embodiment, the connecting piece 8 is formed by combining a primary elastic support body 36 and a secondary elastic support body 37, the primary elastic support body 36 is of a shuttle-shaped frame structure, the secondary elastic support body 37 is of an oval frame structure, the primary elastic support body 36 and the secondary elastic support body 37 are integrally formed, the primary elastic support body 36 and the secondary elastic support body 37 are cast from spring steel, and the elastic support effect of the connecting piece 8 is effectively improved through the combined action of the primary elastic support body 36 and the secondary elastic support body 37.
When the prefilter 5 is actually installed, the primary pipe connector 32 and the secondary pipe connector 33 of the prefilter 5 pass through the through holes formed in the prefilter cavity 2, and flexible rubber backing rings 38 are arranged between the side walls of the primary pipe connector 32 and the secondary pipe connector 33 and the side walls of the through holes, and at the moment, gaps are reserved between the edges of the prefilter 5 and the edges of the prefilter cavity 2.
The front side end outer side wall of the rotating shaft 10 is fixedly provided with a transmission gear 39, the side wall of the recovery cavity 3 is fixedly provided with a rotating rod support 40, the rotating rod support 40 is rotatably provided with a rotating rod 41, the rotating rod 41 is fixedly provided with a driven gear 42, the driven gear 42 is meshed with the transmission gear 39, the top surface of the prefilter cavity 2 is fixedly provided with a guide rod 45, the guide rod 45 is slidably provided with a sliding seat 46, the tail end of the rotating rod 41 is rotatably provided with a primary connecting rod 43, the tail end of the primary connecting rod 43 is rotatably provided with a secondary connecting rod 44, the secondary connecting rod 44 is rotatably connected with the sliding seat 46, the lower end face of the sliding seat 46 is fixedly provided with an impact rod 47, when the sliding seat 46 moves to the lowest side, the impact rod 47 collides with the prefilter 5, and the rotating rod 41 is driven to rotate through the primary connecting rod 43 and the secondary connecting rod 44, so that the impact rod 47 and the prefilter 5 continuously form a collision effect, and the ash adhered on the prefilter 5 can be shaken off in time, and a self-cleaning effect is formed.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.
Claims (4)
1. Boiler flue gas desulfurization and denitrification integrated device with waste heat deep recovery function is characterized in that: the boiler flue gas desulfurization and denitrification integrated device with the waste heat deep recovery function comprises:
an intake passage (1);
The air inlet device comprises a pre-filtering cavity (2), wherein the pre-filtering cavity (2) is communicated with the rear side end of an air inlet channel (1), an installation seat (7) is fixedly welded on the side wall of the pre-filtering cavity (2), and the installation seat (7) is of a rectangular frame structure;
The recycling cavity (3), the recycling cavity (3) is communicated with the upper side end of the pre-filtering cavity (2), a rotating shaft seat (9) is fixedly welded on the side wall of the recycling cavity (3), a plurality of rotating shaft seats (9) are arranged on the side wall of the recycling cavity (3) at equal intervals, bearings (13) are fixedly arranged at the central positions of the rotating shaft seats (9), an exhaust channel (28) is arranged at the rear side end of the recycling cavity (3), and the exhaust channel (28) is connected with an air inlet port of the desulfurization and denitrification mechanism through a flue gas pipeline;
the dust collecting cavity (4) is communicated with the lower side end of the pre-filtering cavity (2), a cleaning opening is formed in the side wall of the dust collecting cavity (4), and a sealing door (48) is arranged at the cleaning opening;
The pre-filtering piece (5), the pre-filtering piece (5) is fixed on the mounting seat (7) through the connecting piece (8);
The energy recovery assembly (6), the energy recovery assembly (6) is formed by combining a rotating shaft (10), a blade seat (11) and blades (12), the rotating shaft (10) is rotatably installed on a rotating shaft seat (9) through a bearing (13), a primary belt pulley (14) is fixedly installed at the rear side end of the rotating shaft (10), a transmission shaft (15) is rotatably installed on the rear side wall of the recovery cavity (3), a secondary belt pulley (16) is fixedly installed on the transmission shaft (15), and the secondary belt pulley (16) is in transmission connection with the primary belt pulley (14) through a transmission belt (17);
The generator set is fixed on the outer side wall of the recovery cavity (3), and an input shaft of the generator set is in transmission connection with the transmission shaft (15) through a coupler;
The blade seats (11) are arranged on the rotating shaft (10) at equal intervals, the blades (12) are arranged on the blade seats (11) at equal circumferences, and the blades (12) on the adjacent blade seats (11) are arranged in a staggered mode;
The rotary shaft (10) is provided with a central hole (18) in a penetrating mode, the blade seat (11) and the rotary shaft (10) are integrally formed, the blade seat (11) is provided with a first-stage connecting hole (23) and a second-stage connecting hole (24), the first-stage connecting hole (23) and the second-stage connecting hole (24) are all communicated with the central hole (18), the first-stage connecting hole (23) and the second-stage connecting hole (24) are separated by a partition plate (50), the blade (12) is provided with a first-stage water conduit (25) and a second-stage water conduit (26) in an integrally formed mode, the first-stage water conduit (25) is communicated with the central hole (18) through the first-stage connecting hole (23), the second-stage water conduit (26) is communicated with the central hole (18) through the second-stage connecting hole (24), and the connecting channel (27) is arranged between the first-stage water conduit (25) and the second-stage water conduit (26) at equal intervals;
The front end and the rear end of the side wall of the inner cavity of the recovery cavity (3) are respectively fixedly provided with a first-stage positioning bracket (20) and a second-stage positioning bracket (19), the first-stage positioning bracket (20) and the second-stage positioning bracket (19) are respectively fixedly provided with a first-stage connecting pipeline (22) and a second-stage connecting pipeline (21), the first-stage connecting pipeline (22) and the second-stage connecting pipeline (21) are hard pipelines, the first-stage connecting pipeline (22) and the second-stage connecting pipeline (21) are rotatably arranged in a central hole (18) on the rotating shaft (10) through sealing bearings, and the first-stage connecting pipeline (22) is connected with a water supply system through a first-stage water conveying pipe;
The pre-filtering piece (5) is arranged in a plate shape, the filtering holes on the pre-filtering piece (5) are formed by combining an upper filtering hole (29) and a lower filtering hole (30), the upper filtering hole (29) and the lower filtering hole (30) are of a quadrangular frustum notch structure, the upper filtering hole (29) and the lower filtering hole (30) are communicated, and the big port of the lower filtering hole (30) is arranged downwards;
The front side and the rear side of the pre-filtering piece (5) are respectively provided with a connecting water cavity (31), the connecting water cavities (31) on the two sides are communicated through a secondary water cavity (34), the connecting water cavities (31) on the two sides are respectively connected with a primary pipeline connector (32) and a secondary pipeline connector (33), the primary pipeline connector (32) is connected with a secondary connecting pipeline (21) through a primary infusion hose, and the secondary pipeline connector (33) is connected with a liquid inlet system of a boiler through a secondary infusion hose;
Friction protrusions (35) are arranged on the side wall of the lower filtering hole (30), the friction protrusions (35) are of a frame-shaped protrusion structure with semicircular cross sections, and a plurality of friction protrusions (35) are arranged on the side wall of the lower filtering hole (30) at equal intervals.
2. The integrated boiler flue gas desulfurization and denitrification device with waste heat deep recovery function according to claim 1, wherein the integrated device is characterized in that: the connecting piece (8) is formed by combining a primary elastic support body (36) and a secondary elastic support body (37), the primary elastic support body (36) is of a shuttle-shaped frame structure, the secondary elastic support body (37) is of an oval frame structure, the primary elastic support body (36) and the secondary elastic support body (37) are integrally formed, and the primary elastic support body (36) and the secondary elastic support body (37) are formed by casting spring steel.
3. The integrated boiler flue gas desulfurization and denitrification device with waste heat deep recovery function according to claim 2, wherein the integrated device is characterized in that: when the pre-filtering piece (5) is actually installed, the primary pipeline connector (32) and the secondary pipeline connector (33) on the pre-filtering piece (5) penetrate through the through holes formed in the pre-filtering cavity (2), flexible rubber backing rings (38) are arranged between the side walls of the primary pipeline connector (32) and the secondary pipeline connector (33) and the side walls of the through holes in a cushioning mode, and gaps are reserved between the edges of the pre-filtering piece (5) and the edges of the pre-filtering cavity (2).
4. The integrated boiler flue gas desulfurization and denitrification device with waste heat deep recovery function according to claim 3, wherein the integrated device is characterized in that: a transmission gear (39) is fixedly arranged on the outer side wall of the front side end of the rotating shaft (10), a rotating rod support (40) is fixedly arranged on the side wall of the recovery cavity (3), a rotating rod (41) is rotatably arranged on the rotating rod support (40), a driven gear (42) is fixedly arranged on the rotating rod (41), the driven gear (42) is meshed with the transmission gear (39), a guide rod (45) is fixedly arranged on the top surface of the prefilter cavity (2), the novel filter is characterized in that a sliding seat (46) is slidably arranged on the guide rod (45), a primary connecting rod (43) is rotatably arranged at the tail end of the rotating rod (41), a secondary connecting rod (44) is rotatably arranged at the tail end of the primary connecting rod (43), the secondary connecting rod (44) is rotatably connected with the sliding seat (46), an impact rod (47) is fixedly arranged on the lower end face of the sliding seat (46), and when the sliding seat (46) moves to the lowest side, the impact rod (47) collides with the pre-filter (5).
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| CN201043141Y (en) * | 2006-12-29 | 2008-04-02 | 成都天保机械制造有限公司 | Palm type alkali cooling machine |
| CN212713080U (en) * | 2020-05-07 | 2021-03-16 | 姚露 | Biochemical sewage purification treatment device |
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