CN113294797B - High-efficient dust collector of boiler waste smoke - Google Patents
High-efficient dust collector of boiler waste smoke Download PDFInfo
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- CN113294797B CN113294797B CN202110683597.4A CN202110683597A CN113294797B CN 113294797 B CN113294797 B CN 113294797B CN 202110683597 A CN202110683597 A CN 202110683597A CN 113294797 B CN113294797 B CN 113294797B
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- pipe
- filter plate
- communicated
- air outlet
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 120
- 239000002699 waste material Substances 0.000 title claims abstract description 31
- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- 230000005540 biological transmission Effects 0.000 claims description 33
- 238000010438 heat treatment Methods 0.000 claims description 25
- 238000007790 scraping Methods 0.000 claims description 23
- 238000009833 condensation Methods 0.000 claims description 22
- 230000005494 condensation Effects 0.000 claims description 22
- 238000005507 spraying Methods 0.000 claims description 21
- 239000004065 semiconductor Substances 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 239000002904 solvent Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 239000002274 desiccant Substances 0.000 claims description 5
- 230000001502 supplementing effect Effects 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000003517 fume Substances 0.000 claims description 2
- 239000010865 sewage Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000002918 waste heat Substances 0.000 abstract description 8
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000001914 filtration Methods 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
- 238000004064 recycling Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
-
- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B9/00—Auxiliary systems, arrangements, or devices
- F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a high-efficiency dust removing device for boiler waste smoke, which comprises two dust removers, a spray device and a fan, wherein the two dust removers are symmetrically arranged, one ends of the two dust removers are communicated with an air inlet main pipe through air inlet branch pipes, the other ends of the two dust removers are communicated with an air outlet main pipe through air outlet branch pipes, the air outlet main pipe is communicated with the bottom of the spray device, and the fan is arranged at the top of the spray device and is used for exhausting gas in the spray device after being pumped out. The invention can effectively improve the dust removal efficiency and the dust removal effect, can utilize waste heat and is convenient for subsequent maintenance and cleaning.
Description
Technical Field
The invention relates to a high-efficiency dust removing device for boiler waste smoke, and belongs to the technical field of boiler waste smoke treatment.
Background
The boiler waste flue gas contains a large amount of dust and waste flue gas still has very high heat when discharging, and current dust collector who is used for filtering waste flue gas is got up the dust clearance to adhering to in dust collector more difficultly, and current dust collector often can only carry out filtration treatment, and the function is single for heat in the waste flue gas can't be recycled, has wasted the resource.
The patent number is CN106039864A, which comprises an upper air inlet header, a dust collection box body, a lower air outlet header and an ash bucket; the air inlet manifold is connected with the upper air inlet header through an air inlet branch pipe; an acoustic ash cleaner is arranged in the upper air inlet header; a filter bag used for connecting the upper air inlet header and the lower air outlet header is arranged in the dust removing box body; the outer sides of the filter bags are sleeved with honeycomb cylinders; a dust discharging pipe is connected below the filter bag; the lower air outlet header is connected with the air outlet header pipe through the air outlet branch pipe. The invention relates to a honeycomb inner filter bag type dust remover, which solves the problems of secondary dust emission, natural flow distribution balance, and clean gas dust in the same flow, and has higher dust removing effect, but the dust attached in the dust remover is still difficult to clean, and only can be filtered, so that the heat in waste flue gas can not be reused, and the resource is wasted.
Therefore, there is an urgent need for a high-efficiency dust removal device that can effectively improve dust removal efficiency and dust removal effect, and can perform waste heat utilization and facilitate subsequent maintenance and cleaning of boiler waste smoke.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the high-efficiency dust removal device for the waste smoke of the boiler, which can effectively improve the dust removal efficiency and the dust removal effect, can utilize waste heat and is convenient for subsequent maintenance and cleaning.
The technical scheme adopted by the invention is as follows:
the high-efficiency dust removing device for the waste smoke of the boiler comprises two dust collectors, a spraying device and a fan, wherein the two dust collectors are symmetrically arranged, one ends of the two dust collectors are communicated with an air inlet main pipe through an air inlet branch pipe, the other ends of the two dust collectors are communicated with an air outlet main pipe through an air outlet branch pipe, the air outlet main pipe is communicated with the bottom of the spraying device, the fan is arranged at the top of the spraying device and is used for exhausting gas in the spraying device to the desulfurization and denitrification device for treatment and then exhausting the gas through a chimney;
a plurality of fixed blocks are symmetrically arranged around the inside of two sides of the dust remover, a coarse filter plate is arranged on one side of the fixed block close to the air inlet branch pipe, and a fine filter plate is arranged on one side of the fixed block close to the air outlet branch pipe;
the top of the dust remover between the coarse filter plate and the fine filter plate is provided with a transmission box, the transmission box is internally provided with a transmission shaft with the bottom extending into the dust remover, the transmission shaft in the transmission box is rotationally provided with a wind wheel, the end part of the transmission shaft in the dust remover is provided with a first conical gear, two rotating shafts are symmetrically arranged on two sides of the dust remover, the two rotating shafts respectively penetrate through the coarse filter plate and the fine filter plate on the corresponding sides correspondingly and are respectively provided with a second conical gear meshed with the first conical gear on one side, which is close to each other, of the two rotating shafts, the two rotating shafts are respectively connected with the coarse filter plate and the fine filter plate on the corresponding sides in a rotating way, the two rotating shafts between the coarse filter plate and the fine filter plate are respectively provided with a plurality of first scraping plates, and the two rotating shafts on one side, which are far away from each other, are respectively attached to the surfaces of the filter plates on the corresponding sides and are arranged in a sliding way;
the air outlet end of the fan is provided with an air outlet pipe, the air outlet pipe is inserted between two transmission boxes on the two dust collectors, two sides of a pipe body of the air outlet pipe are provided with side blowing pipes which are obliquely oriented and communicated with one side of the transmission boxes, and the other side of the transmission boxes is provided with a connecting pipe communicated with the air outlet pipe positioned at the rear end of the side blowing pipe;
electromagnetic valves are arranged on the air inlet branch pipe, the air outlet pipe positioned at the front end of the side blowing pipe and the side blowing pipe.
Preferably, a heat exchange coil is further arranged in the dust remover between the coarse filter plate and the fine filter plate, two ends of the heat exchange coil extend to the outer side of the dust remover, one end of the heat exchange coil is communicated with the water inlet pipe, and the other end of the heat exchange coil is communicated with the water outlet main pipe.
Further, drain pipes are arranged at the bottom of the dust remover between the air inlet branch pipe and the coarse filter plate, the bottom of the dust remover between the coarse filter plate and the fine filter plate and the bottom of the dust remover between the fine filter plate and the air outlet branch pipe; a flushing pipe is arranged at the top of the dust remover between the air inlet branch pipe and the coarse filter plate; electromagnetic valves are also arranged on the sewage drain pipe and the flushing pipe.
Preferably, a check valve is provided in the connection pipe.
Preferably, the end part of the second scraping plate in the dust remover positioned between the air inlet branch pipe and the coarse filter plate is also provided with an arc scraping plate attached to the inner wall of the dust remover.
Further, spray set includes the spray box, the spray box intussuseption is filled with solvent, the total pipe that gives vent to anger extends to the solvent liquid level below in the spray box and is located the terminal vertical downward setting of total pipe that gives vent to anger of spray box and has seted up a plurality of venthole on the terminal body of total pipe that gives vent to anger, one side of spray box is provided with the circulator pump, the income water end and the bottom pipeline intercommunication of spray box of circulator pump, the play water end of circulator pump is provided with the shower, the terminal level of shower extends to in the spray box top box, the terminal of shower that is located the spray box still is provided with the distributor, the top of spray box is provided with the blast pipe, blast pipe and the inlet end intercommunication of fan.
Further, the box body of the spray box is also provided with a liquid level meter, the upper part and the lower part of one side of the spray box are respectively provided with a water supplementing pipe and a water draining pipe, and the box body of the spray box above and below the distributor is also respectively provided with a demister and a packing layer.
Further, a condensing dryer is further arranged on the exhaust pipe between the spray box and the fan, the condensing dryer comprises an air inlet channel, a condensing channel arranged at the top of the air inlet channel and a drying channel arranged at the top of the condensing channel, one side of the air inlet channel is communicated with one end of the exhaust pipe, the top of the drying channel is communicated with the other end of the exhaust pipe, a U-shaped pipe is arranged at the bottom of the air inlet channel, an automatic drain valve is arranged at the bottom of the U-shaped pipe, and a drying agent layer is arranged in the drying channel;
preferably, a plurality of semiconductor heating and refrigerating sheets are arranged on the outer side wall of the condensing channel, the refrigerating surface of the semiconductor heating and refrigerating sheets is attached to the outer side wall of the condensing channel, a water running groove is further sleeved outside the condensing channel and connected with the condensing channel through bolts, the inner side surface of the water running groove is attached to the heating surface of the semiconductor heating and refrigerating sheets, one side of the water running groove is communicated with the water inlet pipe, and the other side of the water running groove is communicated with the water outlet main pipe.
Preferably, heat conduction silica gel is also coated between the inner side surface of the water trough and the heating surface of the semiconductor heating and refrigerating sheet; a plurality of baffle plates are also arranged in the condensation channel.
Preferably, a temperature sensor is further arranged in the condensation channel, and the temperature sensor transmits detected data to a central control room control system for display.
The invention has the beneficial effects that:
(1) The dust remover and the spraying device are used for removing dust and washing waste flue gas, so that the dust removal efficiency and the dust removal effect can be effectively improved; the air flow led out by the fan drives the wind wheel to rotate so as to drive the first scraping plate and the second scraping plate to clean dust on the coarse filter plate and the fine filter plate, and meanwhile, the arc scraping plate can be driven to clean the inner wall of the dust remover between the air inlet branch pipe and the coarse filter plate;
(2) The heat exchange coil is arranged in the dust remover between the coarse filter plate and the fine filter plate, so that the waste heat of waste smoke can be reused, and the resource utilization rate is improved;
(3) The gas entering the fan is subjected to condensation drying treatment through the condensation dryer, so that the normal use of the fan can be ensured; and the water trough is matched with the semiconductor heating and refrigerating sheet, so that the condensing effect on gas can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a dust removing device corresponding to embodiment 1;
fig. 2 is a schematic structural diagram of a dust removing device corresponding to embodiment 2;
fig. 3 is a schematic structural diagram of a dust removing device corresponding to embodiment 3;
FIG. 4 is a top view of a dust collector;
FIG. 5 is a top view of the gear box;
FIG. 6 is a schematic diagram of a heat exchange coil configuration;
FIG. 7 is a schematic view of a spray device;
FIG. 8 is a schematic view of a condensate dryer;
the main reference numerals in the figures have the following meanings:
1. the device comprises a dust remover, 2, a spraying device, 3, a fan, 4, an air inlet branch pipe, 5, an air inlet main pipe, 6, an air outlet branch pipe, 7, an air outlet main pipe, 8, a fixed block, 9, a coarse filter plate, 10, a fine filter plate, 11, a heat exchange coil pipe, 12, a transmission box, 13, a transmission shaft, 14, a wind wheel, 15, a conical gear I, 16, a rotating shaft, 17, a conical gear II, 18, a scraping plate I, 19, a scraping plate II, 20, an air outlet pipe, 21, a side blowing pipe, 22, a connecting pipe, 23, an electromagnetic valve, 24, a blow-off pipe, 25, a flushing pipe, 26, a one-way valve, 27, an arc scraping plate, 28, a spraying box, 29, a circulator pump, 30, a spraying pipe, 31, a distributor, 32, an exhaust pipe, 33, a liquid level meter, 34, a water supplementing pipe, 35, a drain pipe, 36, a demister, 37, a filler layer, 38, a condensation dryer, 39, an air inlet channel, 40, a condensation channel, 41, a drying channel, 42, a U-shaped pipe, 43, a drying agent layer, 44, a semiconductor heating sheet, 45, a water trough, a 46, a water deflector, a water tank, a 46, an automatic temperature sensor, a water deflector, a 48 and a water drain valve.
Detailed Description
Example 1:
as shown in fig. 1, fig. 4, fig. 5 and fig. 7, the embodiment is a high-efficiency dust removal device for boiler waste smoke, which comprises two dust collectors 1, a spray device 2 and a fan 3 which are symmetrically arranged, wherein one ends of the two dust collectors 1 are communicated with an air inlet main pipe 5 through an air inlet branch pipe 4, the other ends of the two dust collectors 1 are communicated with an air outlet main pipe 7 through an air outlet branch pipe 6, the air outlet main pipe 7 is communicated with the bottom of the spray device 2, and the fan 3 is arranged at the top of the spray device 2 and is used for exhausting gas in the spray device 2 to a desulfurization and denitrification device for treatment and then discharging the gas through a chimney;
a plurality of fixed blocks 8 are symmetrically arranged around the inside of two sides of the dust remover 1, a coarse filter plate 9 is arranged on one side of the fixed block 8 close to the air inlet branch pipe 4, and a fine filter plate 10 is arranged on one side of the fixed block 8 close to the air outlet branch pipe 6;
a transmission box 12 is erected at the top of the dust remover 1 between the coarse filter plate 9 and the fine filter plate 10, a transmission shaft 13 with the bottom extending into the dust remover 1 is arranged in the transmission box 12, a wind wheel 14 is rotatably arranged on the transmission shaft 13 positioned in the transmission box 12, a first bevel gear 15 is arranged at the end part of the transmission shaft 13 positioned in the dust remover 1, two rotating shafts 16 are symmetrically arranged at two sides of the dust remover 1, the two rotating shafts 16 respectively correspond to a second bevel gear 17 which penetrates through the coarse filter plate 9 and the fine filter plate 10 at the corresponding side and is meshed with the first bevel gear 15 at one side, which is close to the two rotating shafts 16, the two rotating shafts 16 are respectively connected with the coarse filter plate 9 and the fine filter plate 10 at the corresponding side in a rotating way, a plurality of first scraping plates 18 are respectively arranged on the two rotating shafts 16 at the side, which is far away from the coarse filter plate 9 and the fine filter plate 10, a plurality of scraping plates 19 are respectively arranged on the two rotating shafts 16 at the side, and the scraping plates 19 are respectively attached to the surfaces of the corresponding sides and are arranged in a sliding way;
the air outlet end of the fan 3 is provided with an air outlet pipe 20, the air outlet pipe 20 is inserted between two transmission boxes 12 on the two dust collectors 1, two sides of the pipe body of the air outlet pipe 20 are provided with side blowing pipes 21 which are obliquely oriented and communicated with one side of the transmission boxes 12, and the other side of the transmission boxes 12 is provided with a connecting pipe 22 communicated with the air outlet pipe 20 positioned at the rear end of the side blowing pipes 21;
solenoid valves 23 are provided in the intake branch pipe 4, the outlet branch pipe 6, the outlet pipe 20 positioned at the front end of the side blow pipe 21, and the side blow pipe 21.
Drain pipes 24 are arranged at the bottom of the dust remover 1 between the air inlet branch pipe 4 and the coarse filter plate 9, at the bottom of the dust remover 1 between the coarse filter plate 9 and the fine filter plate 10 and at the bottom of the dust remover 1 between the fine filter plate 10 and the air outlet branch pipe 6; a flushing pipe 25 is arranged at the top of the dust remover 1 between the air inlet branch pipe 4 and the coarse filter plate 9; solenoid valves 23 are also provided on the drain pipe 24 and the flushing pipe 25.
A check valve 26 is provided in the connection pipe 22.
An arc-shaped scraping plate 27 which is attached to the inner wall of the dust remover 1 is also arranged at the end part of the scraping plate II 19 in the dust remover 1 between the air inlet branch pipe 4 and the coarse filter plate 9.
The spray device 2 comprises a spray box 28, a solvent is filled in the spray box 28, an air outlet header pipe 7 extends to the lower part of the solvent liquid level in the spray box 28, the tail end of the air outlet header pipe 7 positioned in the spray box 28 is vertically arranged downwards, a plurality of air outlet holes are formed in the tail end pipe body of the air outlet header pipe 7, a circulating machine pump 29 is arranged on one side of the spray box 28, the water inlet end of the circulating machine pump 29 is communicated with the bottom pipe of the spray box 28, a spray pipe 30 is arranged at the water outlet end of the circulating machine pump 29, the tail end of the spray pipe 30 horizontally extends into the box body above the spray box 28, a distributor 31 is further arranged at the tail end of the spray pipe 30 positioned in the spray box 28, an exhaust pipe 32 is arranged at the top of the spray box 28, and the exhaust pipe 32 is communicated with the air inlet end of the fan 3.
The spraying box 28 is also provided with a liquid level meter 33, a water supplementing pipe 34 and a water draining pipe 35 are respectively arranged above and below one side of the spraying box 28, and a demister 36 and a packing layer 37 are respectively arranged in the spraying box 28 above and below the distributor 31.
During practical application, the two dust collectors 1 are provided, waste flue gas is sequentially filtered through the coarse filter plate 9 and the fine filter plate 10 in the dust collector 1, particle dust in the waste flue gas is filtered, filtered flue gas passes through the spraying device 2, the waste flue gas is further dedusted through the adsorption of the solvent in the spraying box 28 and the washing effect of the solvent sprayed after being pumped out through the circulating pump 29 and sent to the distributor 31 through the spraying pipe 30, and the washed gas is finally discharged after being pumped out through the fan 3, so that the dust removal effect is effectively improved.
After a period of time, the other dust remover 1 is put into use, the electromagnetic valves 23 on the air inlet branch pipe 4 and the air outlet branch pipe 6 at the two ends of the dust remover 1 which work between the two ends are closed, then the electromagnetic valves 23 on the side blowing pipes 21 which are communicated with the top transmission box 12 of the dust remover 1 after the work is stopped are opened, air flows are blown to the wind wheel 14 in the transmission box 12, the wind wheel 14 rotates and then drives the first bevel gear 15 positioned at the bottom of the transmission shaft 13 to rotate, the first bevel gear 15 is meshed with the second bevel gear 17 at the end parts of the two rotating shafts 16, then the rotating shafts 16 can be driven to rotate, the first scraping plate 18 and the second scraping plate 19 can be driven to clean dust on the rough filter plate 9 and the fine filter plate 10, meanwhile, the arc scraping plate 27 can be driven to clean the inner walls of the dust remover 1 between the air inlet branch pipe 4 and the rough filter plate 9, the cleaning liquid is sent into the cleaning liquid to clean the dust remover 1, the waste liquid is finally discharged through the drain pipe 24 and collected and then is intensively treated, and after the cleaning is finished, the electromagnetic valves 23 on the side blowing pipes 21 and the side blowing pipes 21 which are communicated with the top transmission box 12 of the dust remover 1 after the work is stopped are closed.
Example 2:
as shown in fig. 2, 4, 5, 6 and 7, the present embodiment is a high-efficiency dust-removing device for boiler exhaust smoke, which is different from embodiment 1 in that a heat exchange coil 11 is further disposed in the dust remover 1 between the coarse filter plate 9 and the fine filter plate 10, both ends of the heat exchange coil 11 extend to the outside of the dust remover 1, one end of the heat exchange coil 11 is communicated with a water inlet pipe, and the other end of the heat exchange coil 11 is communicated with a water outlet header pipe.
In practical application, the use and cleaning of the dust remover 1 are the same as those of the embodiment 1, and the working process of the spraying device 2 is the same as that of the embodiment 1, except that a great amount of waste heat is carried in flue gas, a heat exchange coil 11 is arranged in the dust remover 1 between the coarse filter plate 9 and the fine filter plate 10 for recycling the waste heat, the waste heat in the waste flue gas acts on water flow introduced into the heat exchange coil 11, so that the water can be heated, the heated water flow is sent out for other aspects, and the resource utilization rate is improved.
Example 3:
as shown in fig. 3 to 8, this embodiment is a high-efficiency dust-removing device for boiler exhaust fume, which is different from embodiment 1 and embodiment 2 in that a condensation dryer 38 is further provided on the exhaust pipe 32 between the spray box 28 and the blower 3, the condensation dryer 38 includes an air intake passage 39, a condensation passage 40 provided at the top of the air intake passage 39, and a drying passage 41 provided at the top of the condensation passage 40, one side of the air intake passage 39 is communicated with one end of the exhaust pipe 32, the top of the drying passage 41 is communicated with the other end of the exhaust pipe 32, a U-shaped pipe 42 is provided at the bottom of the air intake passage 39, an automatic drain valve 48 is provided at the bottom of the U-shaped pipe 42, and a desiccant layer 43 is provided in the drying passage 41;
the outer side wall of the condensation channel 40 is provided with a plurality of semiconductor heating and refrigerating sheets 44, the refrigerating surface of the semiconductor heating and refrigerating sheets 44 is attached to the outer side wall of the condensation channel 40, a water running groove 45 is sleeved outside the condensation channel 40, the water running groove 45 is connected with the condensation channel 40 through bolts, the inner side surface of the water running groove 45 is attached to the heating surface of the semiconductor heating and refrigerating sheets 44, one side of the water running groove 45 is communicated with a water inlet pipe, and the other side of the water running groove 45 is communicated with a water outlet header pipe.
A heat-conducting silica gel is also coated between the inner side surface of the water trough 45 and the heating surface of the semiconductor heating and refrigerating sheet 44; a plurality of baffles 46 are also disposed within the condensing channels 40.
A temperature sensor 47 is also provided in the condensing channel 40, and the temperature sensor 47 transmits detected data to a central control system for display.
In practical application, the dust remover 1 is used and cleaned in the same way as in the embodiment 1, the working process of the spraying device 2 is the same as in the embodiment 1, the waste heat recycling principle of the heat exchange coil 11 on waste flue gas is the same as in the embodiment 2, and the difference is that in order to ensure the normal use of the fan 3, a condensing dryer 38 is arranged on the exhaust pipe 32 between the spraying box 28 and the fan 3; the solvent carried by the dust-removed and washed gas and the spray box 28 enters the air inlet channel 39 and then enters the condensation channel 40, the baffle plate 46 in the condensation channel 40 can prolong the residence time of the gas in the condensation channel 40, so that the refrigeration surface of the electrified semiconductor heating and refrigerating sheet 44 can fully act on the gas in the condensation channel 40 to cool the gas, the solvent carried in the gas is condensed and falls into the U-shaped pipe 42 and finally discharged through the automatic drain valve 48 to be collected for reuse, the gas after the solvent is removed by condensation rises again to pass through the drying channel 41 and is subjected to further drying treatment under the action of the drying agent layer 43, the gas passing through the fan 3 does not contain solvent, and the normal use of the fan 3 is ensured.
The water trough 45 can take away the heat of the heating surface of the semiconductor heating and refrigerating sheet 44 to reduce the temperature of the hot end, so that the refrigerating surface of the semiconductor heating and refrigerating sheet 44 can reach a lower temperature, and the condensation effect can be improved.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient dust collector of boiler waste smoke which characterized in that: the device comprises two dust collectors, a spraying device and a fan which are symmetrically arranged, wherein one ends of the two dust collectors are communicated with an air inlet main pipe through an air inlet branch pipe, the other ends of the two dust collectors are communicated with an air outlet main pipe through an air outlet branch pipe, the air outlet main pipe is communicated with the bottom of the spraying device, and the fan is arranged at the top of the spraying device and is used for exhausting gas in the spraying device to a desulfurization and denitrification device for treatment and then exhausting the gas through a chimney;
a plurality of fixed blocks are symmetrically arranged around the inside of two sides of the dust remover, a coarse filter plate is arranged on one side of the fixed block close to the air inlet branch pipe, and a fine filter plate is arranged on one side of the fixed block close to the air outlet branch pipe;
the top of the dust remover between the coarse filter plate and the fine filter plate is provided with a transmission box, the transmission box is internally provided with a transmission shaft with the bottom extending into the dust remover, a wind wheel is rotatably arranged on the transmission shaft in the transmission box, the end part of the transmission shaft in the dust remover is provided with a first conical gear, two sides of the dust remover are symmetrically provided with two rotating shafts, the two rotating shafts respectively penetrate through the coarse filter plate and the fine filter plate on the corresponding sides and are respectively provided with a second conical gear meshed with the first conical gear on the sides, which are close to each other, of the two rotating shafts, the two rotating shafts are respectively connected with the coarse filter plate and the fine filter plate on the corresponding sides in a rotating way, a plurality of first scraping plates are respectively arranged on the two rotating shafts between the coarse filter plate and the fine filter plate, and a plurality of second scraping plates are respectively arranged on the two rotating shafts on the sides, which are far away from each other, of the first scraping plates and the second scraping plates are respectively attached to the surfaces of the filter plates on the corresponding sides and are arranged in a sliding way;
the air outlet end of the fan is provided with an air outlet pipe, the air outlet pipe is inserted between two transmission boxes on the two dust collectors, two sides of the pipe body of the air outlet pipe are provided with side blowing pipes which are obliquely oriented and communicated with one side of the transmission boxes, and the other side of the transmission boxes is provided with a connecting pipe communicated with the air outlet pipe positioned at the rear end of the side blowing pipe;
electromagnetic valves are arranged on the air inlet branch pipe, the air outlet pipe positioned at the front end of the side blowing pipe and the side blowing pipe.
2. The efficient dust removing device for the boiler waste smoke according to claim 1, wherein a heat exchanging coil is further arranged in the dust remover between the coarse filter plate and the fine filter plate, two ends of the heat exchanging coil extend to the outer side of the dust remover, one end of the heat exchanging coil is communicated with the water inlet pipe, and the other end of the heat exchanging coil is communicated with the water outlet main pipe.
3. The efficient dust removing device for the waste smoke of the boiler according to claim 1, wherein a drain pipe is arranged at the bottom of the dust remover between the air inlet branch pipe and the rough filter plate, at the bottom of the dust remover between the rough filter plate and the fine filter plate and at the bottom of the dust remover between the fine filter plate and the air outlet branch pipe; a flushing pipe is arranged at the top of the dust remover between the air inlet branch pipe and the coarse filter plate; electromagnetic valves are also arranged on the sewage drain pipe and the flushing pipe.
4. A high efficiency dust removing apparatus for exhaust fumes of a boiler according to claim 1, wherein a check valve is provided at the connection pipe.
5. The efficient dust removing device for the waste smoke of the boiler according to claim 1, wherein the end part of the second scraping plate in the dust remover positioned between the air inlet branch pipe and the coarse filter plate is further provided with an arc scraping plate attached to the inner wall of the dust remover.
6. The efficient dust removal device for the boiler waste smoke according to claim 1, wherein the spray device comprises a spray box, a solvent is filled in the spray box, the tail end of the air outlet main pipe extending to the lower part of the solvent liquid level in the spray box and positioned in the spray box is vertically downwards provided with a plurality of air outlet holes on the tail end pipe body of the air outlet main pipe, one side of the spray box is provided with a circulating machine pump, the water inlet end of the circulating machine pump is communicated with the bottom pipeline of the spray box, the water outlet end of the circulating machine pump is provided with a spray pipe, the tail end of the spray pipe horizontally extends into the box above the spray box, the tail end of the spray pipe positioned in the spray box is further provided with a distributor, the top of the spray box is provided with an exhaust pipe, and the exhaust pipe is communicated with the air inlet end of a fan.
7. The efficient dust removing device for the boiler waste smoke according to claim 6, wherein a liquid level meter is further arranged on the box body of the spray box, a water supplementing pipe and a water draining pipe are respectively arranged above and below one side of the spray box, and a demister and a packing layer are respectively arranged in the box body of the spray box above and below the distributor.
8. The efficient dust removing device for the waste smoke of the boiler according to claim 6, wherein a condensing dryer is further arranged on an exhaust pipe between the spray box and the fan, the condensing dryer comprises an air inlet channel, a condensing channel arranged at the top of the air inlet channel and a drying channel arranged at the top of the condensing channel, one side of the air inlet channel is communicated with one end of the exhaust pipe, the top of the drying channel is communicated with the other end of the exhaust pipe, a U-shaped pipe is arranged at the bottom of the air inlet channel, an automatic drain valve is arranged at the bottom of the U-shaped pipe, and a drying agent layer is arranged in the drying channel;
the semiconductor heating and refrigerating device is characterized in that a plurality of semiconductor heating and refrigerating sheets are arranged on the outer side wall of the condensing channel, the refrigerating surface of the semiconductor heating and refrigerating sheets is attached to the outer side wall of the condensing channel, a water running groove is further sleeved outside the condensing channel, the water running groove is connected with the condensing channel through bolts, the inner side surface of the water running groove is attached to the heating surface of the semiconductor heating and refrigerating sheets, one side of the water running groove is communicated with a water inlet pipe, and the other side of the water running groove is communicated with a water outlet main pipe.
9. The efficient dust removing device for the boiler waste smoke according to claim 8, wherein heat conducting silica gel is further coated between the inner side surface of the water trough and the heating surface of the semiconductor heating and refrigerating sheet; a plurality of baffle plates are also arranged in the condensation channel.
10. The efficient dust removing device for the boiler waste smoke according to claim 8, wherein a temperature sensor is further arranged in the condensation channel, and the temperature sensor transmits detected data to a central control room control system for display.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11337044A (en) * | 1998-05-22 | 1999-12-10 | Takuo Mochizuki | Flue gas treating device in incinerator |
| CN102389696A (en) * | 2011-09-12 | 2012-03-28 | 张步芳 | Fire coal smoke cyclone dedusting desulfurizer |
| CN209706105U (en) * | 2019-01-24 | 2019-11-29 | 北京金宇正环保设备有限公司 | Spray equipment is used in a kind of processing of boiler smoke |
| CN212663042U (en) * | 2020-05-31 | 2021-03-09 | 内蒙古鸿远煤炭集团有限公司孙三沟煤矿 | Spraying dust-settling equipment for coal mining |
| CN112844018A (en) * | 2020-12-24 | 2021-05-28 | 利晟（杭州）科技有限公司 | Flue gas pollutant removal system |
| CN213334477U (en) * | 2020-07-09 | 2021-06-01 | 北京嘉德奥通智能科技有限公司 | More efficient desulfurization dust remover |
-
2021
- 2021-06-18 CN CN202110683597.4A patent/CN113294797B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11337044A (en) * | 1998-05-22 | 1999-12-10 | Takuo Mochizuki | Flue gas treating device in incinerator |
| CN102389696A (en) * | 2011-09-12 | 2012-03-28 | 张步芳 | Fire coal smoke cyclone dedusting desulfurizer |
| CN209706105U (en) * | 2019-01-24 | 2019-11-29 | 北京金宇正环保设备有限公司 | Spray equipment is used in a kind of processing of boiler smoke |
| CN212663042U (en) * | 2020-05-31 | 2021-03-09 | 内蒙古鸿远煤炭集团有限公司孙三沟煤矿 | Spraying dust-settling equipment for coal mining |
| CN213334477U (en) * | 2020-07-09 | 2021-06-01 | 北京嘉德奥通智能科技有限公司 | More efficient desulfurization dust remover |
| CN112844018A (en) * | 2020-12-24 | 2021-05-28 | 利晟（杭州）科技有限公司 | Flue gas pollutant removal system |
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| CN113294797A (en) | 2021-08-24 |
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