CN112717606A - Flue gas condensation, dust removal and demisting device for sintering machine - Google Patents
Flue gas condensation, dust removal and demisting device for sintering machine Download PDFInfo
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- CN112717606A CN112717606A CN202011428193.2A CN202011428193A CN112717606A CN 112717606 A CN112717606 A CN 112717606A CN 202011428193 A CN202011428193 A CN 202011428193A CN 112717606 A CN112717606 A CN 112717606A
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- demisting
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- dedusting
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- 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
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- 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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Abstract
The invention is suitable for the technical field of dust and mist separation, and provides a condensing, dedusting and demisting device for flue gas of a sintering machine, which comprises a flue, a condensing and dedusting module, a demisting device and a fixing device, wherein the condensing and dedusting module comprises a plurality of condensing pipes, a water guide pipe and a flushing device, and the flushing device comprises a flushing water pipe and a flushing nozzle; the demisting device comprises a fixed plate, demisting blades and a structural beam, wherein the demisting blades are arranged in a V shape; fixing device includes base, eccentric member, extrusion piece and screw rod, is equipped with spout and spacing groove on the base, is equipped with the arc on the eccentric member, is equipped with the recess that holds the eccentric member on the fixed plate, and the recess inboard is equipped with spacing post, spacing post butt arc, and the shaping of buckling of extrusion piece, the screw rod is cup jointed to the rotation axis, and the fixed plate is located extrusion piece tip below. Therefore, the smoke dust removal separation device can effectively achieve smoke dust removal separation, improves separation efficiency, and is convenient to achieve detection and maintenance.
Description
Technical Field
The invention relates to the technical field of dust and mist separation, in particular to a condensing, dedusting and demisting device for flue gas of a sintering machine.
Background
In 2018, in Hebei, Shanxi, Tianjin and the like, heavy-spot industry atmospheric pollutant depth treatment files such as steel sintering machines, coking, coal-fired power plant boilers and the like are produced in succession. The method is characterized in that gypsum rain and colored smoke plume are required to be treated in the file, the emission temperature and the moisture content of smoke are reduced through corresponding technologies, moisture in supersaturated water vapor in the smoke is collected, and emission of condensable particles such as soluble salt, sulfuric acid mist and organic matters in the smoke is reduced.
Handan city issued an implementation scheme for advanced treatment of air pollution in key industry of industrial enterprises in 2020 of Handan city in 3 months in 2020, and the scheme requires that the emission concentration of particulate matters in sintering machine heads in the steel industry is not higher than 10mg/Nm 3.
The flue gas characteristics of the head of the sintering machine contain SO2, NOx and particulate matters, the requirement on NOx emission indexes in the flue gas is not strict in the early national environmental protection policy, most sintering machines are not provided with a denitration device, and the established sintering machine mostly adopts the combined technology of an electrostatic dust collector, wet desulphurization (comprising a limestone/lime-gypsum method, an ammonia method, a double alkali method and the like) and a wet electric dust collector for treating SO2 and particulate matters in the flue gas.
When the outlet effect of the electrostatic dust collector for the head flue gas of the sintering machine is good at present, the emission concentration of particulate matters can be controlled to be about 50mg/Nm3 and normally about 80mg/Nm3, and in combination with a following wet electric dust collector, the emission concentration effect of the particulate matters at the terminal can be controlled to be about 15mg/Nm3 and cannot reach below 10mg/Nm3, so that the emission concentration of the particulate matters is not higher than 10mg/Nm3 in the current environmental protection policy, and the emission concentration of the particulate matters is in the following part of regions.
The traditional condensation dedusting and demisting method is that after wet desulphurization is carried out on the flue gas of a sintering machine head, a water spraying cooling layer and an independent demister layer are arranged in the top of a desulphurization tower (the upper part of a desulphurization slurry spraying layer) or a flue behind the desulphurization tower, and a water collecting tray is arranged between the desulphurization spraying layer and the water spraying cooling layer.
The prior art has the problems that: firstly, the water of cooling usefulness and high temperature flue gas direct contact have increased the droplet volume in the flue gas when reducing the gas temperature, have increaseed the defogging pressure of follow-up defroster, lead to the flue gas to take water seriously, influence rear end equipment. Secondly, the water collecting tray increases the smoke resistance, which leads to high requirement on the output of the fan and high power consumption in operation. Thirdly, the liquid drops collected by the water collecting tray are provided with most of slurry particles, all water cooling systems need to select corrosion-resistant and wear-resistant materials, and an independent cooling water treatment system is also needed. Fourthly, the water consumption of the system is greatly increased due to the cooling of the water spray, and the water balance of the whole system cannot be ensured. Fifthly, due to the characteristic of sintering flue gas, the traditional demisting device is easy to block, and once the demisting device is blocked, the device can be overhauled only after the unit stops running and under the condition that no flue gas passes through.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a sintering machine flue gas condensation dust removal demisting device which can improve the dust removal demisting separation efficiency and separation quality and reduce the detection and maintenance cost.
In order to achieve the purpose, the invention provides a condensing, dedusting and demisting device for flue gas of a sintering machine, which comprises a flue, a condensing and dedusting module positioned in the flue, a demisting device positioned above the condensing and dedusting module and a fixing device positioned at the end part of the demisting device, wherein the condensing and dedusting module comprises a plurality of condensation pipes, a water guide pipe connected with the condensation pipes and a flushing device positioned on one side of the condensation pipes, and the flushing device comprises a flushing water pipe and a plurality of flushing nozzles positioned on the flushing water pipe; the demisting device comprises a fixed plate, a plurality of demisting blades which are obliquely arranged and a structural beam which is connected with the plurality of demisting blades, wherein the plurality of demisting blades are arranged in a V shape; fixing device includes the eccentric member of base, swing joint base, the extrusion piece of swing joint eccentric member and the screw rod of spiro union extrusion piece, be equipped with spout and spacing groove on the base, be equipped with the arc on the eccentric member, just the eccentric member passes through the bottom plate and connects the spout, be equipped with the recess that holds the eccentric member on the bottom plate, the recess inboard is equipped with spacing post, spacing post butt arc, the shaping is buckled to the extrusion piece, just the rotation axis is installed at the position of buckling of extrusion piece, the screw rod is cup jointed to the rotation axis, just be equipped with on the rotation axis with screw rod assorted screw hole, the fixed plate is located extrusion piece tip below.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, the water guide pipe comprises a water inlet pipe and a water outlet pipe, and filter screens are arranged between the water inlet pipe and the condenser pipe and between the water outlet pipe and the condenser pipe.
According to the device for condensing, dedusting and demisting flue gas of the sintering machine, the flushing nozzle comprises a fixing ring, a rubber pipe and a water outlet head connected with the rubber pipe, the fixing ring comprises a straight edge section and an internal thread section, the end part of the rubber pipe is fixedly connected with the straight edge section, the water outlet head is provided with an external thread matched with the internal thread, and the other end of the rubber pipe is fixedly connected with the inner side of the water outlet head.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, the base is provided with the anti-skid protrusions, the fixed plate is provided with the anti-skid grooves matched with the anti-skid protrusions, and the end parts of the demisting blades are inserted with the structural beams.
According to the condensing, dedusting and demisting device for the flue gas of the sintering machine, the screw comprises the handle, the straight rod and the positioning ring positioned at the lower end of the straight rod, the positioning ring comprises the upper positioning ring and the lower positioning ring, the upper positioning ring and the lower positioning ring are respectively positioned at two sides of the limiting groove, and the limiting groove is provided with the through hole matched with the straight rod.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, two fixing blocks are arranged in the limiting groove, the fixing blocks are connected with the base through fixing bolts, the two fixing blocks are respectively positioned on two sides of the screw, and the fixing blocks slide in the limiting groove.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, the bottom plate is movable in the sliding groove, the bottom plate is connected with the sliding groove through the adjusting bolt, and the sliding groove is a T-shaped groove.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, the end part of the extrusion block is provided with a fixing hole, an auxiliary rod is inserted into the fixing hole and comprises a left auxiliary rod and a right auxiliary rod, and the left auxiliary rod is in threaded connection with the right auxiliary rod.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, the diameter of the threaded joint of the left auxiliary rod and the right auxiliary rod is smaller than that of the fixed hole, and the left auxiliary rod and the right auxiliary rod are respectively provided with an elastic pad.
According to the device for condensing, dedusting and demisting the flue gas of the sintering machine, the buffer parts are arranged between the left auxiliary rod and the extrusion block, and the buffer parts are buffer springs or buffer rubber or buffer sponge.
The invention provides a condensing, dedusting and demisting device for flue gas of a sintering machine, which comprises a flue, a condensing and dedusting module positioned in the flue, a demisting device positioned above the condensing and dedusting module and a fixing device positioned at the end part of the demisting device, wherein the condensing and dedusting module comprises a plurality of condensation pipes, a water guide pipe connected with the condensation pipes and a washing device positioned on one side of the condensation pipes, the washing device comprises a washing water pipe and a plurality of washing nozzles positioned on the washing water pipe, and the condensation pipes are used for cooling the flue gas and reducing the water content, so that the subsequent effective demisting is facilitated; the demisting device comprises a fixed plate, a plurality of demisting blades arranged in an inclined mode and a structural beam connected with the plurality of demisting blades, the plurality of demisting blades are arranged in a V-shaped mode, demisting is achieved through the demisting blades arranged in the V-shaped mode, meanwhile, flow guiding can be effectively achieved, and the phenomenon of water flow accumulation in the demisting process is avoided; fixing device includes the eccentric member of base, swing joint base, the extrusion piece of swing joint eccentric member and the screw rod of spiro union extrusion piece, be equipped with spout and spacing groove on the base, be equipped with the arc on the eccentric member, just the eccentric member passes through the bottom plate and connects the spout, be equipped with the recess that holds the eccentric member on the bottom plate, the recess inboard is equipped with spacing post, spacing post butt arc, the shaping is buckled to the extrusion piece, just the rotation axis is installed at the position of buckling of extrusion piece, the screw rod is cup jointed to the rotation axis, just be equipped with on the rotation axis with screw rod assorted screw hole, the fixed plate is located extrusion piece tip below, realizes effectively changing fixedly through the screw rod to the regulation of extrusion piece height, and it can realize effectively changing to the defogging device of different filtration models to be convenient for it, improves work. The invention has the beneficial effects that: the condensation dust removal module is used for effectively separating and removing water vapor in smoke, the water content of the smoke in the subsequent separation process is reduced, multiple times of separation are used for effectively separating and removing high-temperature smoke, and the removal efficiency of system particles is effectively improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the fixing device of the present invention.
FIG. 3 is a schematic view of the construction of the eccentric member of the present invention.
FIG. 4 is a schematic view of the construction of the extrusion block of the present invention.
FIG. 5 is a schematic view of the structure of the screw of the present invention.
Fig. 6 is a schematic structural view of the base plate in the present invention.
Fig. 7 is a schematic view of the structure of the rotating shaft in the present invention.
Fig. 8 is a schematic view of the structure of the auxiliary lever in the present invention.
Fig. 9 is a schematic view of the structure of the washing spray head of the present invention.
In the figure, 1-flue, 2-condensation dust removal module, 31-fixing plate, 32-demisting blade, 33-structural beam, 4-fixing device, 41-base, 411-sliding groove, 412-limiting groove, 42-eccentric part, 421-arc plate, 43-extrusion block, 44-screw rod, 441-handle, 442-straight rod, 443-upper positioning ring, 444-lower positioning ring, 45-bottom plate, 451-adjusting bolt, 452-groove, 453-limiting column, 46-fixing block, 461-fixing bolt, 47-rotating shaft, 471-threaded hole, 481-left auxiliary rod, 482-right auxiliary rod, 483-elastic pad, 5-washing nozzle, 51-fixing ring, 52-rubber tube and 53-water outlet head.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the invention provides a condensing, dedusting and demisting device for flue gas of a sintering machine, which comprises a flue 1, a condensing and dedusting module 2 positioned in the flue 1, a demisting device positioned above the condensing and dedusting module 2 and a fixing device 4 positioned at the end part of the demisting device, wherein the condensing and dedusting module 2 comprises a plurality of condensation pipes, water guide pipes connected with the condensation pipes and a flushing device positioned at one side of the condensation pipes, the flushing device comprises a flushing water pipe and a plurality of flushing nozzles 5 positioned on the flushing water pipe, and the condensation pipes are used for cooling the flue gas and reducing the water content, so that the subsequent effective demisting is facilitated; the demisting device comprises a fixing plate 31, a plurality of demisting blades 32 which are obliquely arranged and a structural beam 33 which is connected with the demisting blades 32, wherein the demisting blades 32 are arranged in a V shape, and the demisting blades 32 arranged in the V shape can realize demisting and simultaneously effectively realize flow guiding, so that the phenomenon of water flow accumulation in the demisting process is avoided; as shown in fig. 2, the fixing device 4 includes a base 41, an eccentric member 42 movably connected to the base 41, a pressing block 43 movably connected to the eccentric member 42, and a screw 44 screwed to the pressing block 43, the base 41 is provided with a sliding slot 411 and a limiting slot 412, as shown in fig. 3, the eccentric member 42 is provided with an arc plate 421, and the eccentric member 42 is connected to the sliding slot 411 through a bottom plate 45, as shown in fig. 6, the bottom plate 45 is provided with a groove 452 for accommodating the eccentric member 42, the inner side of the groove 452 is provided with a limiting post 453, the limiting post 453 abuts against the arc plate 421, as shown in fig. 4, the pressing block 43 is bent, and a rotating shaft 47 is installed at a bent portion of the pressing block 43, as shown in fig. 7, the rotating shaft 47 is sleeved on the screw 44, and a threaded hole 471 matched with the screw 44 is provided on the rotating shaft 47, the fixing plate, realize the regulation to extrusion piece 43 height through screw rod 44, it can realize effectively changing fixedly to the defogging device of different filtration models of being convenient for, improves work efficiency.
Preferably, the water guide pipe comprises a water inlet pipe and a water outlet pipe, filter screens are arranged between the water inlet pipe and the condenser pipe and between the water outlet pipe and the condenser pipe, impurities in the water guide pipe in the conveying process are reduced by the filter screens, the cleanliness of conveyed water quality is further guaranteed, and the water guide pipe is prevented from being blocked after long-time use.
In addition, as shown in fig. 9, the washing nozzle 5 of the present invention includes a fixing ring 51, a rubber tube 52 and a water outlet 53 connected to the rubber tube 52, the fixing ring 51 includes a straight section and an internal thread section, the end of the rubber tube 52 is fixedly connected to the straight section, the water outlet 53 is provided with an external thread matching the internal thread, and the other end of the rubber tube 52 is fixedly connected to the inner side of the water outlet 53, the fixing ring 51 and the water outlet 53 which can be screwed are utilized to realize the adjustment of the whole position of the washing nozzle, when the two are not in the screwed state, the water outlet 53 can realize the multi-angle irregular spraying due to the water pressure and the rubber tube 52 during the water spraying process, and further can perform the multi-area washing on the inside of the flue 1; when the two are in a screwed connection state, the water outlet position of the water outlet head 53 can be effectively limited, so that water can be sprayed to a certain position, and point flushing is realized.
Furthermore, the base 41 of the present invention is provided with anti-skid protrusions, the fixing plate 31 is provided with anti-skid grooves matched with the anti-skid protrusions, the ends of the defogging blades 32 are inserted with the structural beams, the defogging blades 32 are quickly disassembled and assembled in an insertion manner, so as to improve the detection and maintenance efficiency, and meanwhile, the anti-skid protrusions and the anti-skid grooves are utilized to effectively limit the position of the fixing plate 31, so as to ensure the stability of the fixing plate in the working process.
Preferably, as shown in fig. 5, the screw 44 of the present invention includes a handle 441, a straight rod 442, and a positioning ring located at the lower end of the straight rod 442, where the positioning ring includes an upper positioning ring 443 and a lower positioning ring 444, the upper positioning ring 443 and the lower positioning ring 444 are located at two sides of the positioning groove 412, and a through hole matching with the straight rod 442 is disposed on the positioning groove 412, so that the position of the screw 44 is limited by the positioning ring, and the screw can move along the through hole without dropping, and the separation efficiency and the separation quality are not affected by the dropping phenomenon during the adjustment process of the extrusion block 43, that is, the upper positioning ring 443 and the lower positioning ring 444 are located at two sides of the through hole, and the distance between the upper positioning ring 443 and the lower positioning ring 444 is equal to the diameter of the through hole, and the straight rod.
In the implementation process of the invention: take thick liquid high temperature flue gas to get into from condensation dust removal module 2 below, reduce flue gas temperature and the flue gas through condensation dust removal module 2 in the large granule droplet, then after the small droplet is further collected to defogging device, go to the wet-type electrostatic precipitator of rear end.
In the long-time working process, need dismantle the clearance to condensation dust removal module 2 and defogging device, condensation dust removal module 2 and defogging device all can adopt fixing device 4 to fix, only need the tip have the extension section can, for the ease of effectively adjusting fixing device 4, can set up the opening that is convenient for to adjust on flue 1, the opening part utilizes the fender cigarette cloth of pasting to shelter from, only need open when adjusting and keep off the cigarette cloth and can adjust, cover when need not to adjust and keep off the cigarette cloth and can prevent that smog from revealing. When the fixing device 4 is used for fixing or dismounting, the eccentric part 42 is rotated to drive the extrusion block 43 to rotate along the shaft joint of the extrusion block 43 and the screw 44, so that the end part of the extrusion block 43 can extrude and fix or dismount the workpiece. Two fixing blocks 46 are installed in the limiting groove 412, the lower end of each fixing block 46 is provided with a protrusion matched with the limiting groove 412, the fixing blocks are guaranteed to move in the limiting groove, the fixing blocks 46 are connected with the base 41 through fixing bolts 461, the two fixing blocks 46 are located on two sides of the screw 44 respectively, the fixing blocks 46 slide in the limiting groove 412, and the fixing blocks 46 move in the limiting groove 412 to limit the position of the screw 44 and guarantee the stability of the screw 44 in the working process. Bottom plate 45 moves about in spout 411, just bottom plate 45 passes through adjusting bolt 451 and connects spout 411, spout 411 is T type groove, and bottom plate 45 below is equipped with spout 411 assorted arch, and bottom plate 45 of being convenient for slides in spout 411, utilizes adjusting bolt 451 to adjust or fasten the position of bottom plate 45 simultaneously, realizes the regulation to extrusion piece 43 tip angular position, makes it realize controlling, and then selects the extrusion point of work piece according to actual conditions, guarantees the stability of work piece extrusion fixed in-process, improves the fixed quality of extrusion. In order to ensure effective extrusion on the workpiece, a fixing hole may be formed in the end of the extrusion block 43, an auxiliary rod is inserted into the fixing hole, as shown in fig. 8, the auxiliary rod includes a left auxiliary rod 481 and a right auxiliary rod 482, the left auxiliary rod 481 is screwed with the right auxiliary rod 482, the ends of the left auxiliary rod 481 and the right auxiliary rod 482 are inserted into the fixing hole, and the auxiliary rod is used to increase the contact area with the workpiece, thereby increasing the stability of extrusion and fixation. The diameters of the threaded parts of the left auxiliary rod 481 and the right auxiliary rod 482 are smaller than the diameter of the fixing hole, and the elastic pads 483 are arranged on the left auxiliary rod 481 and the right auxiliary rod 482, so that the workpiece is effectively extruded by the elastic pads 483, the hard friction between the workpiece and the extrusion block 43 is reduced, the fixing quality is improved, and the degree of abrasion to the workpiece is reduced. The left auxiliary rod 481, the right auxiliary rod 482 and the extrusion block 43 are provided with buffer parts, the buffer parts are buffer springs or buffer rubber or buffer sponge, and the friction between the auxiliary rods and the extrusion block 43 is realized in the extrusion or moving process by utilizing buffer pads, so that effective buffer force is provided, and further the manufacturing and maintenance cost is reduced.
In conclusion, the invention provides a condensing, dedusting and demisting device for flue gas of a sintering machine, which comprises a flue, a condensing and dedusting module positioned in the flue, a demisting device positioned above the condensing and dedusting module and a fixing device positioned at the end part of the demisting device, wherein the condensing and dedusting module comprises a plurality of condensation pipes, a water guide pipe connected with the condensation pipes and a flushing device positioned at one side of the condensation pipes, the flushing device comprises a flushing water pipe and a plurality of flushing nozzles positioned on the flushing water pipe, and the condensation pipes are used for cooling the flue gas and reducing the water content, so that the subsequent effective demisting is facilitated; the demisting device comprises a fixed plate, a plurality of demisting blades arranged in an inclined mode and a structural beam connected with the plurality of demisting blades, the plurality of demisting blades are arranged in a V-shaped mode, demisting is achieved through the demisting blades arranged in the V-shaped mode, meanwhile, flow guiding can be effectively achieved, and the phenomenon of water flow accumulation in the demisting process is avoided; fixing device includes the eccentric member of base, swing joint base, the extrusion piece of swing joint eccentric member and the screw rod of spiro union extrusion piece, be equipped with spout and spacing groove on the base, be equipped with the arc on the eccentric member, just the eccentric member passes through the bottom plate and connects the spout, be equipped with the recess that holds the eccentric member on the bottom plate, the recess inboard is equipped with spacing post, spacing post butt arc, the shaping is buckled to the extrusion piece, just the rotation axis is installed at the position of buckling of extrusion piece, the screw rod is cup jointed to the rotation axis, just be equipped with on the rotation axis with screw rod assorted screw hole, the fixed plate is located extrusion piece tip below, realizes effectively changing fixedly through the screw rod to the regulation of extrusion piece height, and it can realize effectively changing to the defogging device of different filtration models to be convenient for it, improves work. The invention has the beneficial effects that: the condensation dust removal module is used for effectively separating and removing water vapor in smoke, the water content of the smoke in the subsequent separation process is reduced, multiple times of separation are used for effectively separating and removing high-temperature smoke, and the removal efficiency of system particles is effectively improved.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A condensing, dedusting and demisting device for flue gas of a sintering machine is characterized by comprising a flue, a condensing and dedusting module positioned in the flue, a demisting device positioned above the condensing and dedusting module and a fixing device positioned at the end part of the demisting device, wherein the condensing and dedusting module comprises a plurality of condensation pipes, a water guide pipe connected with the condensation pipes and a washing device positioned on one side of the condensation pipes, and the washing device comprises a washing water pipe and a plurality of washing nozzles positioned on the washing water pipe;
the demisting device comprises a fixed plate, a plurality of demisting blades which are obliquely arranged and a structural beam which is connected with the plurality of demisting blades, wherein the plurality of demisting blades are arranged in a V shape;
fixing device includes the eccentric member of base, swing joint base, the extrusion piece of swing joint eccentric member and the screw rod of spiro union extrusion piece, be equipped with spout and spacing groove on the base, be equipped with the arc on the eccentric member, just the eccentric member passes through the bottom plate and connects the spout, be equipped with the recess that holds the eccentric member on the bottom plate, the recess inboard is equipped with spacing post, spacing post butt arc, the shaping is buckled to the extrusion piece, just the rotation axis is installed at the position of buckling of extrusion piece, the screw rod is cup jointed to the rotation axis, just be equipped with on the rotation axis with screw rod assorted screw hole, the fixed plate is located extrusion piece tip below.
2. The device for condensing, dedusting and demisting the flue gas of the sintering machine according to claim 1, wherein the water guide pipe comprises a water inlet pipe and a water outlet pipe, and a filter screen is arranged between the water inlet pipe and the condenser pipe and between the water outlet pipe and the condenser pipe.
3. The device for condensing, dedusting and demisting flue gas of a sintering machine according to claim 1, wherein the flushing nozzle comprises a fixing ring, a rubber pipe and a water outlet head connected with the rubber pipe, the fixing ring comprises a straight section and an internal thread section, the end part of the rubber pipe is fixedly connected with the straight section, the water outlet head is provided with an external thread matched with the internal thread, and the other end of the rubber pipe is fixedly connected with the inner side of the water outlet head.
4. The device for condensing, dedusting and demisting flue gas of a sintering machine according to claim 1, wherein the base is provided with anti-skid projections, the fixed plate is provided with anti-skid grooves matched with the anti-skid projections, and the ends of the demisting blades are inserted into the structural beams.
5. The condensing, dedusting and demisting device for the flue gas of the sintering machine according to claim 1, wherein the screw comprises a handle, a straight rod and a positioning ring positioned at the lower end of the straight rod, the positioning ring comprises an upper positioning ring and a lower positioning ring, the upper positioning ring and the lower positioning ring are respectively positioned at two sides of a limiting groove, and the limiting groove is provided with a through hole matched with the straight rod.
6. The flue gas condensing, dedusting and demisting device for the sintering machine as claimed in claim 5, wherein two fixed blocks are installed in the limiting groove, the fixed blocks are connected with the base through fixed bolts, the two fixed blocks are respectively located on two sides of the screw, and the fixed blocks slide in the limiting groove.
7. The device for condensing, dedusting and demisting the flue gas of the sintering machine according to claim 1, wherein the bottom plate is movable in a chute, and the bottom plate is connected with the chute through an adjusting bolt, and the chute is a T-shaped groove.
8. The device for condensing, dedusting and demisting flue gas of a sintering machine according to claim 1, wherein a fixing hole is formed in an end of the extrusion block, an auxiliary rod is inserted into the fixing hole and comprises a left auxiliary rod and a right auxiliary rod, and the left auxiliary rod is in threaded connection with the right auxiliary rod.
9. The flue gas condensing, dedusting and demisting device for the sintering machine as claimed in claim 8, wherein the diameter of the threaded part of the left auxiliary rod and the right auxiliary rod is smaller than that of the fixing hole, and elastic pads are arranged on the left auxiliary rod and the right auxiliary rod.
10. The device for condensing, dedusting and demisting the flue gas of the sintering machine according to claim 9, wherein buffering members are arranged between the left auxiliary rod and the extrusion block and between the right auxiliary rod and the extrusion block, and the buffering members are buffering springs or buffering rubber or buffering sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011428193.2A CN112717606B (en) | 2020-12-07 | 2020-12-07 | Flue gas condensation, dust removal and demisting device for sintering machine |
Applications Claiming Priority (1)
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| CN112717606B (en) | 2022-07-05 |
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