CN113713551A - Waste gas dedusting and purifying device for solid metal smelting furnace and treatment process thereof - Google Patents
Waste gas dedusting and purifying device for solid metal smelting furnace and treatment process thereof Download PDFInfo
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- CN113713551A CN113713551A CN202111079675.6A CN202111079675A CN113713551A CN 113713551 A CN113713551 A CN 113713551A CN 202111079675 A CN202111079675 A CN 202111079675A CN 113713551 A CN113713551 A CN 113713551A
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- 239000002912 waste gas Substances 0.000 title claims abstract description 85
- 238000003723 Smelting Methods 0.000 title claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 25
- 239000002184 metal Substances 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000008569 process Effects 0.000 title claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 32
- 238000010168 coupling process Methods 0.000 claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 238000000746 purification Methods 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 36
- 239000007788 liquid Substances 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 26
- 239000000110 cooling liquid Substances 0.000 claims description 18
- 238000007790 scraping Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims 2
- 238000001914 filtration Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 21
- 239000002923 metal particle Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000007123 defense Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
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- 230000005484 gravity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 235000015842 Hesperis Nutrition 0.000 description 1
- 235000012633 Iberis amara Nutrition 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
Images
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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- 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
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
-
- 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
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a waste gas dust removal purification device for a solid metal smelting furnace and a treatment process thereof, and the waste gas dust removal purification device comprises a smelting furnace, an exhaust fan and a waste gas treatment device which are fixedly connected through a connecting pipe, wherein the exhaust fan is fixedly connected and communicated with an air inlet of the waste gas treatment device; the tip rigid coupling that the coil pipe is located the treatment chamber has the mounting, and the drive assembly is installed to the mounting internal rotation, and one side of drive assembly is connected with the pivot, and the upper segment rigid coupling of pivot has a plurality of stirring leaves, and the top of stirring leaf is equipped with the second scraper blade of rigid coupling on the pivot top, and the top frictional contact of second scraper blade has the filter.
Description
Technical Field
The invention relates to the technical field of waste gas purification, in particular to a waste gas dedusting and purifying device for a solid metal smelting furnace and a treatment process thereof.
Background
Nonferrous metals are essential basic materials and important strategic materials for national economy, daily life of people and development of national defense industry and science and technology. Non-ferrous metals are not available in agricultural modernization, industrial modernization, national defense and scientific technology modernization. Most of components or parts required for advanced weapons such as airplanes, missiles, rockets, satellites, nuclear submarines and the like, and advanced technologies such as atomic energy, televisions, communications, radars, electronic computers and the like are made of light metals and rare metals in nonferrous metals; in addition, the production of alloy steel is not carried out without nonferrous metals such as nickel, cobalt, tungsten, molybdenum, vanadium, niobium and the like. The usage amount of the nonferrous metals in certain applications (such as power industry and the like) is also considerable. Many countries in the world, especially industrially developed countries, compete with the development of the non-ferrous metal industry and increase the strategic reserves of non-ferrous metals.
A dust remover for the waste gas of smelting furnace is composed of casing, atomizing unit installed in the air inlet of casing, washing unit installed in the air outlet of casing, motor, water spray pipe, filter core installed in the air outlet of casing, atomizing unit installed on the atomizing unit, second bearing installed in the casing, washing unit installed in the casing via the first bearing and the second bearing, washing water tank in the casing, water outlet at the bottom of washing water tank, and motor installed outside the casing, the power output shaft of the motor is connected with the power input end of the washing assembly, and the water spray pipe penetrates through the shell to be installed in the washing assembly and sprays water towards the atomizing part.
Because the waste gas contains a large amount of harmful substances, the patent has poor purification effect on the harmful substances, and simultaneously the waste gas contains moving metal particles.
Disclosure of Invention
The invention aims to provide a waste gas dedusting and purifying device for a solid metal smelting furnace and a treatment process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a waste gas dedusting and purifying device for a solid metal smelting furnace comprises a smelting furnace, an exhaust fan and a waste gas treatment device, wherein the exhaust fan and the waste gas treatment device are fixedly connected through a connecting pipe;
the end part of the coil pipe, which is positioned in the treatment cavity, is fixedly connected with a fixing piece, a transmission assembly is rotatably arranged in the fixing piece, one side of the transmission assembly is connected with a rotating shaft, the upper section of the rotating shaft is fixedly connected with a plurality of stirring blades, the top ends of the stirring blades are provided with second scraping plates fixedly connected to the top ends of the rotating shaft, the top ends of the second scraping plates are in frictional contact with a filter plate, and the filter plate is fixedly connected to the upper section in the treatment cavity;
the bottom rigid coupling of pivot has scrapes moves the subassembly, the bottom frictional contact who scrapes the subassembly has the magnet piece, the magnet piece rigid coupling is at the bottom inner wall of process chamber, the bottom rigid coupling of process chamber has the blow off pipe, install the valve on the blow off pipe, the top rigid coupling of process chamber has the blast pipe.
Preferably, the housing is formed by combining two cylinders with a hollow interior.
Preferably, the water pump is fixed with a liquid supply tank externally connected with cooling liquid and provides circulating cooling liquid for the cooling cavity through a water pipe, and the coil is of a spiral structure.
Preferably, the mounting includes a fixed section of thick bamboo, the fixed overcoat in middle part of a fixed section of thick bamboo has the ring flange, the ring flange passes through the bolt-up and installs the one end at the coil pipe, the fixed one end of embedding at the coil pipe of one end of a fixed section of thick bamboo, other end inner wall rigid coupling have the mount, rotate on the mount and install transmission assembly.
Preferably, the transmission assembly includes the transmission shaft, the one end of transmission shaft is rotated and is installed on the mount, and the other end rotates and installs on one side inner wall of treatment chamber, the transmission shaft is outer to be rotated and has been cup jointed two and support a section of thick bamboo, the one end outer wall rigid coupling that supports a section of thick bamboo has the one end of mounting bracket, the other end rigid coupling of mounting bracket is on the one end outer wall of another support section of thick bamboo, another the other end rigid coupling that supports a section of thick bamboo is on one side inner wall of treatment chamber, two it installs the worm to rotate between the support section of thick bamboo, the coaxial rigid coupling in both ends of worm is on the transmission shaft, one side meshing of worm is connected with the worm wheel, the coaxial rigid coupling of worm wheel has the pivot, one side of pivot is rotated and is cup jointed the one end at the support frame, the other end rigid coupling of support frame is on the mounting bracket.
Preferably, scrape and move the subassembly and include first scraper blade, the one end rigid coupling of first scraper blade is in the bottom of pivot, the other end rigid coupling of first scraper blade has the spacing ring, one side indent of first scraper blade is equipped with the arc wall, scrape and move the whole conical structure that is of subassembly.
A process for dedusting and purifying waste gas for a solid metal smelting furnace comprises the following steps:
s1, fully pumping cooling liquid in a cooling cavity of the waste gas treatment device through a water pump in a circulating manner;
s2, filling the waste gas treatment liquid into the treatment cavity of the waste gas treatment device, wherein the height of the treatment liquid is lower than that of the filter plate;
s3, putting solid metal into a smelting furnace for smelting, discharging waste gas generated in smelting through an exhaust pipe at the top end, and simultaneously, pumping the waste gas in the smelting furnace into a waste gas treatment device for treatment by operating an exhaust fan;
and S4, discharging the waste gas treated by the waste gas treatment device from the exhaust pipe after the waste gas is detected to be qualified.
Compared with the prior art, the invention has the beneficial effects that: the cooling liquid circulating in the cooling cavity is matched with the coil pipe to rapidly cool the high-temperature waste gas, so that the subsequent waste gas treatment liquid can conveniently treat harmful substances in the waste gas; waste gas is extracted through the exhaust fan, the flow speed of the waste gas at the end part of the coil pipe is accelerated, so that better power is provided for a spiral blade of the transmission assembly, the rotating speed of the spiral blade is improved, the normal work of the spiral blade is ensured, the spiral blade rotates under the flow of the waste gas to drive a fixedly connected transmission shaft to rotate, the transmission shaft drives a rotating shaft to rotate through the matching of a worm and a worm wheel, the rotating shaft further drives a stirring blade to rotate, the stirring blade stirs waste gas treatment liquid, the fluidity of the waste gas treatment liquid is increased, and the treatment efficiency is improved; when the rotating shaft rotates, the scraper fixedly connected with the top end is driven to rotate, and the scraper further cleans the filter plate to prevent large particles from adhering to block the filter plate; simultaneously the pivot drives scraping of bottom and moves the subassembly and rotate, and the magnet piece of treatment chamber bottom rigid coupling can adsorb the metal particle in the waste gas, scrapes and moves the subassembly and scrape the removal to adsorbed metal particle, makes things convenient for metal particle to discharge from the blow off pipe and collects.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fixing member according to the present invention;
FIG. 3 is a partial schematic view of the drive assembly of the present invention;
FIG. 4 is a schematic view of a supporting frame according to the present invention;
FIG. 5 is a schematic view of a scraping assembly according to the present invention.
In the figure: 1. a smelting furnace; 2. an exhaust gas treatment device; 21. an exhaust pipe; 22. a cooling chamber; 23. a treatment chamber; 24. a housing; 3. a water pump; 4. a scraping and moving assembly; 41. a first squeegee; 42. a limiting ring; 43. an arc-shaped slot; 5. a magnet block; 6. a partition plate; 7. an exhaust fan; 8. a coil pipe; 9. a fixing member; 91. a fixed cylinder; 92. a flange plate; 93. a fixed mount; 10. a blow-off pipe; 11. a valve; 12. a transmission assembly; 121. a support cylinder; 122. a drive shaft; 123. a helical blade; 124. a worm; 125. a mounting frame; 126. a support frame; 127. a worm gear; 13. a rotating shaft; 14. stirring blades; 15. a filter plate; 16. a second squeegee.
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. 1-5, the present invention provides a technical solution: a waste gas dust removal and purification device for a solid metal smelting furnace comprises a smelting furnace 1, an exhaust fan 7 and a waste gas treatment device 2 which are fixedly connected through a connecting pipe, wherein the exhaust fan 7 is fixedly connected and communicated with an air inlet of the waste gas treatment device 2, the waste gas treatment device 2 comprises a shell 24, the shell 24 is formed by combining two hollow cylinders, a partition plate 6 is fixedly connected to one side in the shell 24, the interior of the shell 24 is divided into a cooling cavity 22 and a treatment cavity 23 by the partition plate 6, a coil 8 is filled in the cooling cavity 22, one end of the coil 8 is fixedly connected with the exhaust fan 7, the other end of the coil 8 fixedly penetrates through the partition plate 6 and extends into the treatment cavity 23, the top of the cooling cavity 22 is connected with a water pump 3 through a water pipe, and the water pump 3 is fixedly installed on one side of the top of the shell 24; the water pump 3 is fixed with a liquid supply box externally connected with cooling liquid and supplies circulating cooling liquid to the cooling cavity 22 through a water pipe, and the coil 8 is of a spiral structure; when the cooling device is used, the water pump 3 is externally connected with a liquid supply tank of cooling liquid, then the water pump 3 works to fill the cooling cavity 22 in the waste gas treatment device 2 with the cooling liquid, and meanwhile, the circulating flow of the cooling liquid is ensured, and the temperature of the cooling liquid in the cooling cavity 22 is prevented from being too high;
as shown in fig. 1-2, a fixing member 9 is fixedly connected to an end portion of the coil pipe 8 located in the processing chamber 23, the fixing member 9 includes a fixing cylinder 91, a flange 92 is fixedly sleeved on a middle portion of the fixing cylinder 91, the flange 92 is fixedly installed at one end of the coil pipe 8 through a bolt, one end of the fixing cylinder 91 is fixedly embedded in one end of the coil pipe 8, a fixing frame 93 is fixedly connected to an inner wall of the other end of the fixing cylinder 91, and a transmission assembly 12 is rotatably installed on the fixing frame 93.
As shown in fig. 1-4, the transmission assembly 12 includes a transmission shaft 122, one end of the transmission shaft 122 is rotatably installed on the fixing frame 93, the other end of the transmission shaft is rotatably installed on one side of the inner wall of the treatment chamber 23, two supporting cylinders 121 are rotatably sleeved outside the transmission shaft 122, one end of the supporting cylinder 121 is fixedly connected to one end of the mounting frame 125, the other end of the mounting frame 125 is fixedly connected to one end of the other supporting cylinder 121, the other end of the other supporting cylinder 121 is fixedly connected to one side of the inner wall of the treatment chamber 23, a worm 124 is rotatably installed between the two supporting cylinders 121, two ends of the worm 124 are coaxially and fixedly connected to the transmission shaft 122, one side of the worm 124 is engaged with a worm wheel 127, the worm wheel 127 is coaxially and fixedly connected to the rotating shaft 13, one side of the rotating shaft 13 is rotatably sleeved on one end of the supporting frame 126, and the other end of the supporting frame 126 is fixedly connected to the mounting frame 125.
As shown in fig. 1, one side of the transmission assembly 12 is connected with a rotating shaft 13, the upper section of the rotating shaft 13 is fixedly connected with a plurality of stirring blades 14, the top ends of the stirring blades 14 are provided with second scraping plates 16 fixedly connected to the top end of the rotating shaft 13, the top ends of the second scraping plates 16 are in friction contact with a filter plate 15, the filter plate 15 is fixedly connected to the upper section in a processing chamber 23, the processing chamber 23 is filled with a waste gas treatment liquid, and meanwhile, the liquid level of the waste gas treatment liquid in the processing chamber 23 is ensured to be lower than the bottom end of the filter plate 15; solid metal is put into a smelting furnace 1 for smelting, waste gas generated during smelting is discharged through an exhaust pipe at the top end, an exhaust fan 7 works at the same time, the waste gas in the smelting furnace 1 is extracted and enters a coil pipe 8 positioned in a cooling cavity 22, the waste gas passes through the coil pipe 8 and is cooled in the cooling cavity 22, the temperature of the high-temperature waste gas is reduced, and purification treatment of waste gas treatment liquid is facilitated; exhaust gas is extracted through the exhaust fan 7, the flow rate of the exhaust gas at the end part of the coil pipe 8 is accelerated, after the exhaust gas flows out of the coil pipe 8, the spiral blade 123 of the end part transmission assembly 12 is driven to rotate, the spiral blade 123 rotates to drive the fixedly connected transmission shaft 122 to rotate, the transmission shaft 122 drives the fixedly connected worm 124 to rotate, the worm 124 drives the rotating shaft 13 to rotate through the worm wheel 127 which is meshed and connected, the rotating shaft 13 rotates to drive the fixedly connected stirring blade 14 to rotate, the stirring blade 14 further stirs the exhaust gas treatment liquid in the treatment cavity 23, the fluidity of the exhaust gas treatment liquid is increased, the treatment efficiency of the exhaust gas is improved, after the exhaust gas is treated by the exhaust gas treatment liquid, the exhaust gas rises to the filter plate 15, is filtered by the filter plate 15, and is discharged from the exhaust pipe 21 after being detected to be qualified;
as shown in fig. 1 and 5, the bottom rigid coupling of pivot 13 has scrapes moves subassembly 4, it includes first scraper blade 41 to scrape to move subassembly 4, the one end rigid coupling of first scraper blade 41 is in the bottom of pivot 13, the other end rigid coupling of first scraper blade 41 has spacing ring 42, one side indent of first scraper blade 41 is equipped with arc wall 43, it is whole that it is conical structure and bottom frictional contact has magnet piece 5 to scrape to move subassembly 4, magnet piece 5 rigid coupling is at the bottom inner wall of treatment chamber 23, the bottom rigid coupling of treatment chamber 23 has blow off pipe 10, install valve 11 on the blow off pipe 10, the top rigid coupling of treatment chamber 23 has blast pipe 21. When waste gas is discharged from the end part of the coil pipe 8, metal particles contained in the waste gas are adsorbed at the bottom end of the processing cavity 23 under the action of gravity and the adsorption of the magnet block 5, the rotating shaft 13 rotates to drive the scraping component 4 to rotate, the first scraper 41 of the scraping component 4 scrapes and moves the metal particles at the bottom, meanwhile, the limiting ring 42 prevents the metal particles from being attached to the inner wall of the processing cavity 23, the scraping cleanliness is ensured, the scraped and moved metal particles enter the sewage discharge pipe 10 through the transmission of the arc-shaped groove 43, the sewage discharge pipe 10 can be discharged by opening the valve 11, and meanwhile, waste gas treatment liquid in the processing cavity 23 can be conveniently replaced; the top of pivot 13 is rotated and is installed in the bottom of filter 15, has guaranteed the steadiness of pivot 13, and pivot 13 drives the second scraper blade 16 on top simultaneously again and clears up filter 15 bottom, prevents that the granule adhesion in the waste gas from causing the jam on filter 15.
The invention also provides a technical scheme that: a process for dedusting and purifying waste gas for a solid metal smelting furnace comprises the following steps:
s1, the cooling cavity 22 of the waste gas treatment device 2 is filled with cooling liquid through the water pump 3 in a circulating mode, the water pump 3 ensures the circulating flow of the cooling liquid, the temperature of the cooling liquid in the cooling cavity 22 is prevented from being too high, and the cooling effect of the coil pipe 8 is ensured;
s2, filling waste gas treatment liquid into the treatment cavity 23 of the waste gas treatment device 2, wherein the height of the treatment liquid is lower than that of the filter plate 15, and the waste gas treatment liquid effectively purifies the introduced waste gas;
s3, solid metal is put into the smelting furnace 1 for smelting, waste gas generated during smelting is discharged through an exhaust pipe at the top end, meanwhile, the exhaust fan 7 works to extract the waste gas in the smelting furnace 1 and enter the waste gas treatment device 2 for treatment, and the waste gas can be rapidly and effectively dedusted and purified through the cooperation of the filter plate 15 and the waste gas treatment liquid in the treatment cavity 23;
s4, the exhaust gas treated by the exhaust gas treatment device 2 is detected as being acceptable and then discharged from the exhaust pipe 21.
The working principle is as follows: when the invention is used, firstly, the water pump 3 is externally connected with a liquid supply box of cooling liquid, then the water pump 3 works to fill the cooling cavity 22 in the waste gas treatment device 2 with the cooling liquid, ensure the circulating flow of the cooling liquid and prevent the temperature in the cooling cavity 22 from being overhigh, then the treatment cavity 23 is filled with the waste gas treatment liquid, and ensure that the liquid level of the waste gas treatment liquid in the treatment cavity 23 is lower than the bottom end of the filter plate 15; solid metal is put into a smelting furnace 1 for smelting, waste gas generated during smelting is discharged through an exhaust pipe at the top end, an exhaust fan 7 works at the same time, the waste gas in the smelting furnace 1 is extracted and enters a coil pipe 8 positioned in a cooling cavity 22, the waste gas passes through the coil pipe 8 and is cooled in the cooling cavity 22, the temperature of the high-temperature waste gas is reduced, and purification treatment of waste gas treatment liquid is facilitated; exhaust gas is extracted through the exhaust fan 7, the flow rate of the exhaust gas at the end part of the coil pipe 8 is accelerated, after the exhaust gas flows out of the coil pipe 8, the spiral blade 123 of the end part transmission assembly 12 is driven to rotate, the spiral blade 123 rotates to drive the fixedly connected transmission shaft 122 to rotate, the transmission shaft 122 drives the fixedly connected worm 124 to rotate, the worm 124 drives the rotating shaft 13 to rotate through the worm wheel 127 which is meshed and connected, the rotating shaft 13 rotates to drive the fixedly connected stirring blade 14 to rotate, the stirring blade 14 further stirs the exhaust gas treatment liquid in the treatment cavity 23, the fluidity of the exhaust gas treatment liquid is increased, the treatment efficiency of the exhaust gas is improved, after the exhaust gas is treated by the exhaust gas treatment liquid, the exhaust gas rises to the filter plate 15, is filtered by the filter plate 15, and is discharged from the exhaust pipe 21 after being detected to be qualified; when waste gas is discharged from the end part of the coil pipe 8, metal particles contained in the waste gas are adsorbed at the bottom end of the processing cavity 23 under the action of gravity and the adsorption of the magnet block 5, the rotating shaft 13 rotates to drive the scraping component 4 to rotate, the first scraper 41 of the scraping component 4 scrapes and moves the metal particles at the bottom, meanwhile, the limiting ring 42 prevents the metal particles from being attached to the inner wall of the processing cavity 23, the scraping cleanliness is ensured, the scraped and moved metal particles enter the sewage discharge pipe 10 through the transmission of the arc-shaped groove 43, the sewage discharge pipe 10 can be discharged by opening the valve 11, and meanwhile, waste gas treatment liquid in the processing cavity 23 can be conveniently replaced; the top of pivot 13 is rotated and is installed in the bottom of filter 15, has guaranteed the steadiness of pivot 13, and pivot 13 drives the second scraper blade 16 on top simultaneously again and clears up filter 15 bottom, prevents that the granule adhesion in the waste gas from causing the jam on filter 15.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a waste gas dust removal purification device for solid metal smelting furnace, includes smelting furnace (1) and exhaust fan (7) and exhaust treatment device (2) through the connecting pipe rigid coupling, exhaust fan (7) rigid coupling intercommunication is at the air intake of exhaust treatment device (2), its characterized in that: the waste gas treatment device (2) comprises a shell (24), a partition plate (6) is fixedly connected to one side in the shell (24), the partition plate (6) divides the interior of the shell (24) into a cooling cavity (22) and a treatment cavity (23), a cooling liquid is filled in the cooling cavity (22), a coil (8) is arranged in the cooling cavity (22), one end of the coil (8) is fixedly connected with an exhaust fan (7), the other end of the coil fixedly penetrates through the partition plate (6) and extends into the treatment cavity (23), the top of the cooling cavity (22) is connected with a water pump (3) through a water pipe, and the water pump (3) is fixedly installed on one side of the top of the shell (24);
the end part, located in the treatment cavity (23), of the coil pipe (8) is fixedly connected with a fixing piece (9), a transmission assembly (12) is rotatably mounted in the fixing piece (9), one side of the transmission assembly (12) is connected with a rotating shaft (13), the upper section of the rotating shaft (13) is fixedly connected with a plurality of stirring blades (14), the top ends of the stirring blades (14) are provided with second scraping plates (16) fixedly connected to the top end of the rotating shaft (13), the top ends of the second scraping plates (16) are in friction contact with a filtering plate (15), and the filtering plate (15) is fixedly connected to the upper section in the treatment cavity (23);
the bottom rigid coupling of pivot (13) has scrapes and moves subassembly (4), the bottom frictional contact who scrapes and move subassembly (4) has magnet piece (5), the bottom inner wall of magnet piece (5) rigid coupling at treatment chamber (23), the bottom rigid coupling of treatment chamber (23) has blow off pipe (10), install valve (11) on blow off pipe (10), the top rigid coupling of treatment chamber (23) has blast pipe (21).
2. The apparatus according to claim 1, wherein the apparatus further comprises: the shell (24) is formed by combining two cylinders with hollow inner parts.
3. The apparatus according to claim 1, wherein the apparatus further comprises: the liquid supply box of external coolant liquid is fixed in water pump (3) and provides the circulating coolant liquid in cooling chamber (22) through the water pipe, coil pipe (8) are helical structure.
4. The apparatus according to claim 1, wherein the apparatus further comprises: mounting (9) are including solid fixed cylinder (91), the fixed overcoat in middle part of solid fixed cylinder (91) has ring flange (92), the one end at coil pipe (8) is installed through the bolt-up in ring flange (92), the one end of solid fixed cylinder (91) is fixed embedded in the one end of coil pipe (8), and other end inner wall rigid coupling has mount (93), it installs drive assembly (12) to rotate on mount (93).
5. The apparatus according to claim 4, wherein the apparatus further comprises: the transmission assembly (12) comprises a transmission shaft (122), one end of the transmission shaft (122) is rotatably installed on the fixing frame (93), the other end of the transmission shaft is rotatably installed on the inner wall of one side of the treatment cavity (23), the transmission shaft (122) is externally rotatably sleeved with two supporting cylinders (121), the outer wall of one end of each supporting cylinder (121) is fixedly connected with one end of the mounting frame (125), the other end of each mounting frame (125) is fixedly connected onto the outer wall of one end of another supporting cylinder (121), the other end of the other supporting cylinder (121) is fixedly connected onto the inner wall of one side of the treatment cavity (23), a worm (124) is rotatably installed between the two supporting cylinders (121), the two ends of the worm (124) are coaxially and fixedly connected onto the transmission shaft (122), one side of the worm (124) is engaged with a worm wheel (127), and the worm wheel (127) is coaxially and fixedly connected with a rotating shaft (13), one side of the rotating shaft (13) is rotatably sleeved at one end of the supporting frame (126), and the other end of the supporting frame (126) is fixedly connected to the mounting frame (125).
6. The apparatus according to claim 1, wherein the apparatus further comprises: scrape and move subassembly (4) including first scraper blade (41), the one end rigid coupling of first scraper blade (41) is in the bottom of pivot (13), the other end rigid coupling of first scraper blade (41) has spacing ring (42), one side indent of first scraper blade (41) is equipped with arc wall (43), scrape and move subassembly (4) whole conical structure.
7. The process for dedusting and purifying the waste gas for the solid metal smelting furnace according to the claims 1 to 6, is characterized by comprising the following steps:
s1, fully pumping cooling liquid in a cooling cavity (22) of the waste gas treatment device (2) through a water pump (3) in a circulating mode;
s2, filling waste gas treatment liquid into a treatment cavity (23) of the waste gas treatment device (2) and simultaneously enabling the height of the treatment liquid to be lower than that of a filter plate (15);
s3, putting solid metal into a smelting furnace (1) for smelting, discharging waste gas generated in the smelting process through an exhaust pipe at the top end, and simultaneously, operating an exhaust fan (7) to extract the waste gas in the smelting furnace (1) and enter a waste gas treatment device (2) for treatment;
and S4, discharging the waste gas treated by the waste gas treatment device (2) from the exhaust pipe (21) after the waste gas is detected to be qualified.
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| CN202111079675.6A CN113713551A (en) | 2021-09-15 | 2021-09-15 | Waste gas dedusting and purifying device for solid metal smelting furnace and treatment process thereof |
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| CN202111079675.6A CN113713551A (en) | 2021-09-15 | 2021-09-15 | Waste gas dedusting and purifying device for solid metal smelting furnace and treatment process thereof |
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Cited By (1)
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Application publication date: 20211130 |