CN214276542U - High-temperature flue gas dust collector - Google Patents

Abstract

The utility model relates to a high temperature furnace smoke exhausting equipment technical field, concretely relates to high temperature flue gas dust collector, including advancing the tobacco pipe, the dust chamber and the pipe of discharging fume, the dust chamber is two at least and parallelly connected setting, the pipe of discharging fume installs at the top of advancing the tobacco pipe and through a plurality of dust chambers with advance the tobacco pipe intercommunication, the inside fixed mounting of dust chamber has the vertical heat transfer board of a plurality of faces, the inside heat transfer chamber of having seted up of heat transfer board, the heat transfer board communicates the dust chamber outside so that insert heat transfer air system or heat transfer water system through the heat transfer chamber, the both sides face of hot plate has all set firmly a plurality of boards of gathering dust, the board slope that gathers dust sets up in order to make up the dust guide groove of V-arrangement with the heat transfer board, the dust collection box that the dust blowing motor that is used for blowing to the dust guide groove and is used for collecting is installed respectively to the relative both sides of dust guide chamber.

Description

High-temperature flue gas dust collector

Technical Field

The utility model relates to a high temperature furnace fume extractor technical field, concretely relates to high temperature flue gas dust collector.

Background

High-temperature dust-containing gas is often generated in the production process of industries such as electric power, steel, nonferrous metallurgy, building materials, chemical industry, pharmacy, casting and the like, and the high-temperature smoke contains pollutants such as dust, heavy metals and the like with high dust content due to different production processes. The purification treatment is needed, but because the working temperature of the purification equipment is limited, the high-temperature flue gas can be treated only by cooling the temperature to 150-350 ℃, so that various problems such as cooling, dust removal, energy recycling and the like need to be comprehensively considered in the high-temperature flue gas exhaust process, and the problems such as low dust removal efficiency, unstable cooling effect or low energy recycling efficiency exist in the use process of the existing high-temperature flue gas treatment equipment, so that a novel high-temperature flue gas treatment equipment capable of comprehensively solving the problems is needed.

SUMMERY OF THE UTILITY MODEL

For solving the problem, the utility model provides a high temperature flue gas dust collector, including advancing the tobacco pipe, the dust collecting chamber and the pipe of discharging fume, the dust collecting chamber is two at least and parallelly connected setting, the pipe of discharging fume is installed at the top of advancing the tobacco pipe and through a plurality of dust collecting chambers with advance the tobacco pipe intercommunication, the inside fixed mounting of dust collecting chamber has the vertical heat transfer board of a plurality of faces, the inside heat transfer chamber that has seted up of heat transfer board, the heat transfer board communicates the dust collecting chamber outside so that insert heat transfer air system or heat transfer water system through the heat transfer chamber, the both sides face of hot plate has all set firmly a plurality of boards of gathering dust, the slope of board that gathers dust sets up in order to make up the dust guide groove of V-arrangement with the heat transfer board, the dust collection case that is used for the dust collection motor that blows to guide groove and is used for collecting the dust is installed respectively to the both sides that the dust collecting chamber is relative.

The utility model provides a high temperature flue gas dust collector for solving the above problems, which comprises a smoke inlet pipe, two dust chambers and a smoke exhaust pipe, wherein the smoke inlet pipe is vertically arranged, the dust chambers are arranged in parallel, a plurality of dust chambers are all arranged at the top end of the smoke inlet pipe and are communicated with the smoke inlet pipe, the smoke exhaust pipe is arranged at the top of the smoke inlet pipe and is communicated with the smoke inlet pipe through a plurality of dust chambers, the dust chambers are square pipes which are vertically arranged and have open upper and lower ends, two side walls opposite to the dust chambers are respectively provided with a plurality of strip-shaped holes, a plurality of heat exchange plates with vertical surfaces are fixedly arranged in the dust chambers, the heat exchange plates are plane plates with heat exchange cavities arranged inside, two end plates opposite to the heat exchange plates are fixedly connected along two side inner walls opposite to the dust chambers respectively, two end ports of the heat exchange cavities are respectively butted with the two strip-shaped holes to communicate the heat exchange cavities with the outside of the dust chambers, the two side surfaces of the heat exchange plates are fixedly provided with a plurality of the dust collecting plates, the dust collecting plate is a strip-shaped plate, the lower plate edge of the dust collecting plate is fixedly connected with the heat exchange plate, the surface of the dust collecting plate is inclined relative to the heat exchange plate to form a V-shaped dust guide groove, and the two opposite sides of the dust collecting chamber are respectively provided with a dust blowing motor for blowing air to the dust guide groove and a dust collecting box for collecting dust.

As a further proposal of the high-temperature flue gas dust collector, the outer walls of the two opposite sides of the dust collecting chamber are provided with a conical hopper-shaped flow guide cover, a plurality of strip-shaped holes are all covered in the flow guide cover, and a multi-layer filter screen is installed on a smoke exhaust pipe and a connector of the dust collecting chamber.

As a further proposal of the high-temperature flue gas dust collector, the dust collecting plate is a strip-shaped plate, the axis direction of the dust collecting plate inclines so as to lead the length direction of the dust guide groove, and the dust blowing motor and the dust box are respectively arranged at the higher end and the lower end of the dust guide groove.

As a further proposal of the high-temperature flue gas dust collector, an air guide pipe is fixedly arranged on the surface of the heat exchange plate, the vertical setting of the air guide pipe is communicated with the air outlet of the soot blowing motor at the higher end of the soot guide groove, and a plurality of blowing openings are arranged on the air guide pipe.

As a further proposal of the high-temperature flue gas dust collector, an installation cylinder is fixedly arranged on the outer wall of the dust collection chamber, the installation cylinder is a rectangular cylinder and is communicated with the inside of the dust collection chamber, the dust collection box is in the shape of a hollow cube drawer with an open top end, and the dust collection box is movably arranged in the installation cylinder and the upper end of the dust collection box is positioned below a plurality of dust guide grooves.

As a further proposal of the high-temperature flue gas dust collector, a guide cylinder is vertically and fixedly arranged on the inner wall of the dust collecting chamber, and the upper end and the lower end of the guide cylinder are open and are positioned between a heat exchange plate and a dust collecting box.

As a further proposal of the high-temperature flue gas dust collector, a plurality of dust collecting plates positioned on the opposite side faces of two adjacent heat exchange plates are staggered in the height direction in sequence.

As a further proposal of the high-temperature flue gas dust collector, the dust collecting chamber is connected with a heat exchange air system or a heat exchange water system through two guide hoods.

As a further proposal of the high-temperature flue gas dust collector, the exhaust pipe is mutually vertical to the smoke inlet pipe, and the filter screen is obliquely arranged at the port of the exhaust pipe.

Compared with the prior art, the utility model discloses the beneficial effect who has: in the scheme, high-temperature flue gas is discharged after passing through the dust collection chamber, the high-temperature flue gas passes through a plurality of heat exchange plates, the flue gas continuously turns in an S shape under the guiding action of a plurality of dust collection plates fixedly arranged on the heat exchange plates, and meanwhile, large-particle dust in the flue gas falls into a dust collection groove formed by the dust collection plates and the heat exchange plates under the action of air pressure, so that the dust in the dust collection groove can be quickly discharged under the coordination of a dust blowing motor and a dust collection box; under the effect of the dust collecting plate, the time of high-temperature flue gas passing through the heat exchange plates is prolonged, so that the high-temperature flue gas is cooled by heat exchange media flowing inside the heat exchange plates, and the influence of overhigh temperature of the flue gas on a filter screen at a smoke exhaust pipe orifice is avoided.

Drawings

FIG. 1 is a schematic view of the connection of the components of the flue gas dust collector of the present invention;

FIG. 2 is a schematic view of the internal structure of the dust collecting box of the flue gas dust collector of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a schematic view of the installation of the heat exchange plate of the flue gas dust collector of the present invention;

the labels in the figure are: 1. the device comprises a smoke inlet pipe, a smoke exhaust pipe, a heat exchange plate, a dust collection box, a dust guide pipe, an installation cylinder, a guide cylinder, a filter screen and a dust collection chamber, wherein the smoke inlet pipe 2, the dust collection chamber 3, the smoke exhaust pipe 4, the heat exchange plate 5, the dust collection plate 6, the dust collection box 7, the air guide pipe 8, the installation cylinder 9, the guide cylinder 10 and the filter screen are arranged on the smoke inlet pipe.

Detailed Description

As shown in the figure: a high-temperature flue gas dust collector comprises a flue gas inlet pipe 1, a dust collection chamber 2 and a flue gas exhaust pipe 3, wherein the flue gas inlet pipe 1 is vertically arranged, the bottom end of the flue gas inlet pipe 1 is communicated with production equipment such as a high-temperature furnace, the top end of the flue gas inlet pipe 1 is communicated with the flue gas exhaust pipe 3 through the dust collection chamber 2, a plurality of dust collection chambers 2 are arranged in parallel, at least two dust collection chambers 2 are preferably arranged, the dust collection chambers 2 are square pipes which are vertically arranged and are provided with openings at the upper end and the lower end, two opposite side walls of the dust collection chamber 2 are respectively provided with a plurality of strip-shaped holes, the length directions of the strip-shaped holes are vertically arranged, the strip-shaped holes are arranged at equal intervals, and the strip-shaped holes on the two opposite side walls of; the dust collection chamber 2 is internally and fixedly provided with a plurality of heat exchange plates 4 with vertical surfaces, each heat exchange plate 4 is a plane plate with a heat exchange cavity arranged inside, two opposite end plates of each heat exchange plate 4 are fixedly connected with two opposite inner walls of the dust collection chamber 2 respectively, two ports of each heat exchange cavity are correspondingly communicated with two strip-shaped holes respectively, the two opposite outer walls of the dust collection chamber 2 are provided with conical-hopper-shaped air deflectors, the strip-shaped holes on the outer wall of the dust collection chamber 2 are covered in the air deflectors, the dust collection chamber 2 is connected into a heat exchange air system or a heat exchange water system through the two air deflectors, when the heat exchange air system is connected, normal-temperature air enters the heat exchange cavities from one air deflector and is led out from the other air deflector, heat in the dust collection chamber 2 is taken away through the heat exchange cavities to cool high-temperature flue gas, when the heat exchange water system is connected, normal-temperature water or cooling water is pumped into one air deflector and flows to the other air deflector through the heat exchange cavities, the heat in the dust collection chamber 2 is taken away when passing through the heat exchange cavity, thereby realizing the cooling of the high-temperature flue gas.

The dust collecting plates 5 are strip-shaped plates, the plate surfaces of the dust collecting plates 5 and the plate surfaces of the heat exchange plates 4 form a certain included angle, the lower edges of the dust collecting plates 5 are fixedly connected with the plate surfaces of the heat exchange plates 4 to form a V-shaped dust guide groove, preferably, the dust collecting plates 5 are inclined in the axial direction to enable one end of the dust guide groove to be higher and the other end to be lower, the dust collecting plates 5 on the same plate surface of the heat exchange plates 4 are longitudinally arranged at equal intervals, the dust collecting plates 5 on the opposite side plate surfaces of the two adjacent heat exchange plates 4 are sequentially staggered in the height direction, high-temperature smoke passing through between the two heat exchange plates 4 continuously rises in an S shape under the guide of the dust collecting plates 5, so that the contact time between the high-temperature smoke and the heat exchange plates 4 is prolonged, the dust blowing motors and dust collecting boxes 6 are respectively installed on the two opposite sides of the dust collecting chamber 2, the dust blowing motors and the dust collecting boxes 6 are respectively located at the higher end, the dust blowing motor is used for blowing air into the dust guide groove so as to blow away dust accumulated in the dust guide groove along the length direction of the groove, and the dust collection box 6 is positioned at the lower end and is used for receiving the dust blown out of the dust guide groove by the dust blowing motor.

All set firmly guide duct 7 on the both sides face of heat transfer board 4, the higher one end in ash guide groove is located to the vertical setting of guide duct 7, has seted up a plurality of mouths of blowing on the guide duct 7, a plurality of mouths of blowing correspond with a plurality of ash guide grooves respectively, guide duct 7 communicates so that the soot blower during operation can disperse wind to a plurality of ash guide grooves with the air exit of air blowing motor, and is preferred, air outlet pipe is all installed to a plurality of mouths of blowing of guide duct 7, air outlet pipe and ash guide groove parallel arrangement. The dust collecting chamber is characterized in that an installation cylinder 8 is fixedly arranged on the outer wall of the dust collecting chamber 2, the installation cylinder 8 is a rectangular cylinder and is communicated with the interior of the dust collecting chamber 2, a dust collecting box 6 is in a hollow cube drawer shape with an open top end, the dust collecting box 6 is movably arranged in the installation cylinder 8 in a penetrating mode, the length of the dust collecting box 6 is larger than that of the installation cylinder 8, when the dust collecting box 6 is movably inserted into the installation cylinder 8, part of an upper end opening is positioned in the dust collecting chamber 2 and is correspondingly positioned below a plurality of dust guide grooves, a connecting plate is fixedly arranged on the outer wall of the installation cylinder 8, an outer baffle is fixedly arranged on the end face, positioned outside the dust collecting chamber 2, of the dust collecting box 6, an outer baffle is fixedly arranged, after the dust collecting box 6 is arranged in the installation cylinder 8, the dust collecting chamber 6 is connected with the outer baffles through bolts or lock catch connecting plates, a guide cylinder 9 is vertically and fixedly arranged on the inner wall of the dust collecting chamber 2, the rectangular cylinder 9 with upper and lower ends open is vertically arranged below the guide cylinder 9, the lower port is positioned above the upper port of the dust box 6, and the dust blown off from the dust guide groove by the blowing motor falls into the dust box 6 through the guide tube 9 for temporary storage.

The smoke exhaust pipe 3 is arranged at the top of the smoke inlet pipe 1 and is communicated with the smoke inlet pipe 1 through the dust collection chambers 2, the smoke exhaust pipe 3 is perpendicular to the smoke inlet pipe 1, a connecting port of the smoke exhaust pipe 3 and the dust collection chambers 2 is provided with a plurality of layers of filter screens 10, and the filter screens 10 are obliquely arranged at the port positions of the smoke exhaust pipe 3. The bottom ports of the dust collecting chambers 2 are all provided with port regulating valves, and the regulation of different regulating valves can lead the smoke inlet pipe 1 to be communicated with different dust collecting chambers 2, so that the device can clean the dust collecting chambers 2 without stopping working. High-temperature dust-containing flue gas sequentially passes through the smoke inlet pipe 1, the dust collection chamber 2 and the smoke exhaust pipe 3 in the production process, the flue gas passes through gaps among the heat exchange plates 4 when passing through the dust collection chamber 2 so as to realize cooling, the flue gas is continuously turned in an S shape under the guiding action of the dust collection plates 5 when passing through the heat exchange plates 4, the flue gas is filtered by the filter plate when entering the smoke exhaust pipe 3 from the top end of the dust collection chamber 2, the flue gas is extruded among the dust collection plates 5 so as to be disordered, and a large amount of dust falls off due to the filtering of the filter plate at the top, because the dust guide groove is a V-shaped groove with a wider upper notch, dust is accumulated in the dust guide groove, the dust collection chamber 2 is disconnected with the smoke inlet pipe 1 after a certain time, the dust accumulated in the dust guide groove is blown into the dust collection box 6 through the blowing motor, and the dust collection box is provided with at least two dust collection chambers 2 for cleaning the dust accumulation of the equipment in a non-stop state.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims (9)

1. The utility model provides a high temperature flue gas dust collector which characterized in that: comprises a smoke inlet pipe (1), at least two dust collecting chambers (2) and a smoke exhaust pipe (3), wherein the smoke inlet pipe (1) is vertically arranged, the dust collecting chambers (2) are arranged in parallel, a plurality of dust collecting chambers (2) are all arranged at the top end of the smoke inlet pipe (1) and are communicated with the smoke inlet pipe (1), the smoke exhaust pipe (3) is arranged at the top of the smoke inlet pipe (1) and is communicated with the smoke inlet pipe (1) through a plurality of dust collecting chambers (2), the dust collecting chambers (2) are vertically arranged and are square pipes with the upper and lower ends open, a plurality of strip-shaped holes are respectively arranged on two opposite side walls of the dust collecting chambers (2), a plurality of heat exchange plates (4) with vertical plate surfaces are fixedly arranged in the dust collecting chambers (2), the heat exchange plates (4) are plane plates with heat exchange cavities arranged in the dust collecting chambers, two opposite end plates of the heat exchange plates (4) are fixedly connected with the inner walls of two opposite sides of the dust collecting chambers (2) respectively, and two end ports of the heat exchange cavities are respectively in butt joint with the two strip-shaped holes to enable the heat exchange chambers (2) to be communicated with the outer parts of the dust collecting chambers, the dust collecting device is characterized in that a plurality of dust collecting plates (5) are fixedly arranged on the two side surfaces of the heat exchange plate (4), the dust collecting plates (5) are strip-shaped plates, lower plates of the strip-shaped plates are fixedly connected with the heat exchange plate (4), the surfaces of the dust collecting plates (5) are inclined relative to the heat exchange plate (4) to form a V-shaped dust guiding groove, and dust blowing motors used for blowing air to the dust guiding groove and dust collecting boxes (6) used for collecting dust are respectively arranged on the two opposite sides of the dust collecting chamber (2).

2. The high-temperature flue gas dust collector of claim 1, wherein: the outer wall of the two opposite sides of the dust collection chamber (2) is provided with a conical hopper-shaped flow guide cover, a plurality of strip-shaped holes are covered in the flow guide cover, and a multi-layer filter screen (10) is installed on a connecting port of the smoke exhaust pipe (3) and the dust collection chamber (2).

3. The high-temperature flue gas dust collector of claim 2, wherein: the dust collecting plate (5) is a strip-shaped plate, the axis direction of the dust collecting plate (5) inclines to enable the length direction of the dust guide groove to incline, and the dust blowing motor and the dust collecting box (6) are respectively arranged at the higher end and the lower end of the dust guide groove.

4. The high-temperature flue gas dust collector of claim 3, wherein: the plate surface of the heat exchange plate (4) is fixedly provided with an air guide pipe (7), the air guide pipe (7) is vertically arranged at the higher end of the ash guide groove and is communicated with an air outlet of the ash blowing motor, and the air guide pipe (7) is provided with a plurality of air blowing openings.

5. The high-temperature flue gas dust collector of claim 3, wherein: the dust collection device is characterized in that an installation cylinder (8) is fixedly arranged on the outer wall of the dust collection chamber (2), the installation cylinder (8) is a rectangular cylinder and is communicated with the interior of the dust collection chamber (2), the dust collection box (6) is in a hollow cube drawer shape with an open top end, the dust collection box (6) is movably arranged in the installation cylinder (8) in a penetrating mode, and the upper end opening of the dust collection box is located below the plurality of dust guide grooves.

6. The high-temperature flue gas dust collector of claim 5, wherein: the dust collection chamber (2) is vertically and fixedly provided with a guide cylinder (9) on the inner wall, and the upper end and the lower end of the guide cylinder (9) are open and are positioned between the heat exchange plate (4) and the dust collection box (6).

7. The high-temperature flue gas dust collector of claim 2, wherein: a plurality of dust collecting plates (5) positioned on the opposite side plate surfaces of two adjacent heat exchange plates (4) are staggered in sequence in the height direction.

8. The high-temperature flue gas dust collector of claim 7, wherein: the dust collection chamber (2) is connected to a heat exchange air system or a heat exchange water system through the two air guide sleeves.

9. The high-temperature flue gas dust collector of claim 8, wherein: the smoke exhaust pipe (3) is perpendicular to the smoke inlet pipe (1), and the filter screen (10) is obliquely arranged at the port of the smoke exhaust pipe (3).

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