CN217233869U - Lifting rotary smoke collecting device - Google Patents

Abstract

The utility model relates to a lift rotation flue gas entrapment device, including equipment fixing basis, flue gas entrapment cover, horizontal dust absorption pipeline, strutting arrangement, its technical essential is: the tail end of the horizontal dust collection pipeline is connected with the seal box through a flange, a balancing weight is fixed in the seal box, a vertical smoke outlet pipe port is arranged on the top surface of the middle of the horizontal dust collection pipeline, the supporting device comprises a rotary table and a supporting column assembly, the supporting column assembly comprises a lower guide sleeve and an upper guide column, the upper end of the upper guide column is connected and fixed with the bottom surface of the middle of the horizontal dust collection pipeline through the upper flange, a pair of lifting oil cylinders are symmetrically arranged on two sides of the supporting column assembly, the cylinder bodies of the lifting oil cylinders are hinged to the lower flange, and the cylinder rods of the lifting oil cylinders are hinged to the upper flange. The problem of current fixed entrapment device easily take place to interfere with dust removal regional interior equipment has been solved to this device, and job stabilization, occupation space is little when the state of accomodating, avoids taking place to interfere with dust removal regional equipment, uses in a flexible way, long service life.

Description

Lifting rotary smoke collecting device

Technical Field

The utility model relates to a dust pelletizing system flue gas entrapment device technical field, concretely relates to lift rotation flue gas entrapment device is applicable to the steelmaking workshop molten steel of returning to the stove process of turning over.

Background

The smoke trapping device is an important component of the dust removal system, a dust hood with a certain area is arranged at a dust source point to collect smoke dust generated by the dust source, and the trapped smoke enters the dust remover for dust removal through a pipeline under the action of negative pressure of a fan of the dust removal system and is finally discharged into the atmosphere.

The prior flue gas trapping device has the following problems in the use process: 1. the fixed trapping device is easy to cause interference to other working equipment in a dust removal area; 2. the movable trapping device is easy to cause instability in the working process, and the service life is influenced.

Disclosure of Invention

The utility model aims at providing a rational in infrastructure, use reliable lift rotation flue gas entrapment device, solve current fixed entrapment device easily and the regional interior equipment of removing dust problem of taking place to interfere, and for portable entrapment device job stabilization, occupation space is little during the state of accomodating, avoids taking place to interfere with the regional equipment of removing dust, uses in a flexible way, long service life.

The technical scheme of the utility model is that:

the utility model provides a lift rotation flue gas entrapment device, includes equipment fixing basis, flue gas entrapment cover, with the horizontal dust absorption pipeline of the top intercommunication of flue gas entrapment cover, locate the strutting arrangement between horizontal dust absorption pipeline and the flue gas entrapment cover, its technical essential is: the end of horizontal dust absorption pipeline utilizes the flange joint seal box, fixed balancing weight in the seal box, horizontal dust absorption pipeline middle part top surface are equipped with perpendicular smoke outlet pipe mouth and communicate with external flue through perpendicular smoke outlet pipe mouth, strutting arrangement include with the basic fixed revolving platform of equipment fixing, connect the support column subassembly between revolving platform and horizontal dust absorption pipeline, the support column subassembly by utilize lower flange and revolving platform be connected lower uide bushing, with down uide bushing complex go up the guide post and constitute, the upper end of going up the guide post utilizes upper flange and horizontal dust absorption pipeline middle part bottom surface to be connected fixedly, support column subassembly bilateral symmetry is equipped with a pair of lift cylinder, lift cylinder's cylinder body is articulated with lower flange, and lift cylinder's jar pole is articulated with the upper flange.

In the lifting rotary type flue gas trapping device, the counterweight block is a counterweight ring, and the positioning columns corresponding to the counterweight ring are arranged in the sealing box, so that the assembly and disassembly are convenient.

Foretell lift rotation flue gas entrapment device, flue gas entrapment cover side is equipped with the horizontal mouth of pipe, the horizontal mouth of pipe is equipped with the sealing joint subassembly with the chapter of horizontal dust absorption pipeline port, the sealing joint subassembly by with horizontal dust absorption pipeline welded mounting flange I, with horizontal mouth of pipe welded mounting flange II, connect the middle flange sleeve between mounting flange I and mounting flange II, the sealing filler between middle flange sleeve and horizontal mouth of pipe and the horizontal dust absorption pipeline lateral wall, be equipped with between mounting flange II and the sealing filler and press from both sides tight piece to avoid leaking the cigarette.

Foretell lift rotation flue gas entrapment device, the lower extension that the flue gas entrapment cover was followed by last four pyramid covers, was located four pyramid covers down encloses the fender and constitutes, the lower extension encloses to keep off down along one side height, and the opposite side is low, is the trapezoidal form. The higher side is close to the ladle-to-ladle device.

In the lifting rotary type flue gas trapping device, the center of the flue gas trapping cover is hung with the drainage cylinder with the lower end opened, the inner end of the horizontal pipe orifice on the side surface of the flue gas trapping cover extends inwards the cover and is communicated with the upper part of the drainage cylinder, on one hand, the position is reduced, the distance between the inner end of the horizontal pipe orifice and a dust source point is shortened, and on the other hand, turbulence is prevented from being generated in the cover.

The utility model has the advantages that:

1. realize lift rotation structural design, during the dust removal, the flue gas entrapment covers makes the cover body cover locate dust source point top under the revolving platform effect, recycles lift cylinder and descends, and when need not to remove dust, the flue gas entrapment covers reverse gyration under revolving platform effect and lift cylinder effect, descends to accomodating the station, has avoided taking place to interfere with the regional interior equipment of removing dust, has thoroughly solved the fixed cover occupation space of current dust pelletizing system big, the problem of easily taking place to interfere with equipment such as overhead traveling crane, and the range of application is wide.

2. Adopt seal box and balancing weight, guarantee that the flue gas entrapment cover operates steadily at gyration and lift in-process, extension equipment life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a diagram illustrating the usage status of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

figure 4 is a schematic view of the interior of a flue gas capture hood.

In the figure: 1. the device comprises a smoke collecting cover, 101, an upper quadrangular pyramid cover, 102, a lower extension enclosure, 2, a horizontal pipe orifice, 3, a horizontal dust suction pipeline, 4, a vertical smoke outlet pipe orifice, 5, a sealing box, 6, an upper flange, 7, an upper guide post, 8, a lifting oil cylinder, 9, a lower guide sleeve, 10, a lower flange, 11, a rotary table, 12, a device installation foundation, 13, a dust source point, 14, a ladle pouring device, 15, a fixed flange I, 16, a fixed flange II, 17, a middle flange sleeve, 18, sealing filler, 19, a clamping sheet and 20, a drainage cylinder.

Detailed Description

As shown in fig. 1-4, the lifting rotary flue gas collecting device comprises an equipment installation base 12, a flue gas collecting cover 1, a horizontal dust collecting pipeline 3 communicated with the top of the flue gas collecting cover 1, and a supporting device arranged between the horizontal dust collecting pipeline 3 and the flue gas collecting cover 1.

The tail end of the horizontal dust collection pipeline 3 is connected with a sealing box 5 through a flange, and a balancing weight is fixed in the sealing box 5. The top surface of the middle part of the horizontal dust absorption pipeline 3 is provided with a vertical smoke outlet pipe port 4 and is communicated with an external flue through the vertical smoke outlet pipe port 4. The supporting device comprises a rotary table 11 fixed with an equipment installation base 12 and a supporting column assembly connected between the rotary table 11 and the horizontal dust suction pipeline 3. The supporting column assembly consists of a lower guide sleeve 9 connected with a rotary table 11 by a lower flange 10 and an upper guide column 7 matched with the lower guide sleeve 9. The upper end of the upper guide post 7 is fixedly connected with the bottom surface of the middle part of the horizontal dust collection pipeline 3 by an upper flange 6. A pair of lifting oil cylinders 8 are symmetrically arranged on two sides of the supporting column assembly, the body of each lifting oil cylinder 8 is hinged to the lower flange 10, and the rod of each lifting oil cylinder 8 is hinged to the upper flange 6.

In this embodiment, the balancing weight is the counter weight ring, be equipped with the reference column that corresponds the counter weight ring in the seal box 5, convenient equipment and dismantlement. The side surface of the flue gas collecting cover 1 is provided with a horizontal pipe orifice 2, and the seal between the horizontal pipe orifice 2 and the port of the horizontal dust collection pipeline 3 is provided with a sealing joint component. The sealing joint component comprises a fixing flange I15 welded with the horizontal dust suction pipeline 3, a fixing flange II 16 welded with the horizontal pipe orifice 2 and a middle flange sleeve 17 connected between the fixing flange I15 and the fixing flange II 16. And a sealing packing 18 is arranged between the middle flange sleeve 17 and the outer side wall of the horizontal pipe orifice 2 and the outer side wall of the horizontal dust suction pipeline 3, and a clamping sheet 19 is arranged between the fixing flange II 16 and the sealing packing 18 so as to avoid smoke leakage. The flue gas trapping cover 1 is composed of an upper quadrangular pyramid cover 101 and a lower extension enclosing barrier 102 arranged on the lower edge of the upper quadrangular pyramid cover 101, wherein one side of the lower edge of the lower extension enclosing barrier 102 is high, and the other side of the lower extension enclosing barrier is low and is in a trapezoidal shape. The upper side is adjacent to the ladle apparatus 14. The central of the flue gas collecting cover 1 is hung with a drainage cylinder 20 with an opening at the lower end, the inner end of a horizontal pipe orifice 2 at the side of the flue gas collecting cover 1 extends inwards and is communicated with the upper part of the drainage cylinder 20, on one hand, the position is reduced, the distance between the inner end and a dust source point 13 is shortened, and on the other hand, the cover is prevented from generating turbulence in the other direction.

The working principle is as follows:

when the device is applied to a molten steel ladle-returning process in a steelmaking workshop, under the drive of a rotary table 11, a support column assembly drives a horizontal dust suction pipeline 3 and a flue gas trapping cover 1 to rotate to the position above a dust source point 13 (a ladle) around the central line of the rotary table 11, then a lifting oil cylinder 8 is used for driving the horizontal dust suction pipeline 3 and the flue gas trapping cover 1 to move downwards, molten steel is slowly poured into the ladle, flue gas generated in the process is sucked into the flue gas trapping cover 1 under the negative pressure action of a fan of a dust removal system, and is discharged to an external flue through the horizontal dust suction pipeline 3 and a vertical smoke outlet pipe 4 and finally discharged into the atmosphere. When the smoke trapping cover does not need to work, the rotary table 11 and the lifting oil cylinder 8 reset, and the smoke trapping cover 1 rotates and descends to the containing station.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims (5)

1. The utility model provides a lift rotation flue gas entrapment device, includes equipment fixing basis, flue gas entrapment cover, with the horizontal dust absorption pipeline of the top intercommunication of flue gas entrapment cover, locate the strutting arrangement between horizontal dust absorption pipeline and the flue gas entrapment cover, its characterized in that: the end of horizontal dust absorption pipeline utilizes the flange joint seal box, fixed balancing weight in the seal box, horizontal dust absorption pipeline middle part top surface are equipped with perpendicular smoke outlet pipe mouth and communicate with external flue through perpendicular smoke outlet pipe mouth, strutting arrangement include with the basic fixed revolving platform of equipment fixing, connect the support column subassembly between revolving platform and horizontal dust absorption pipeline, the support column subassembly by utilize the lower guide housing that lower flange is connected with the revolving platform, with down the guide housing complex on the guide column constitute, the upper end of going up the guide column utilizes upper flange and horizontal dust absorption pipeline middle part bottom surface to be connected fixedly, support column subassembly bilateral symmetry is equipped with a pair of lift cylinder, lift cylinder's cylinder body is articulated with lower flange, and lift cylinder's jar pole is articulated with the upper flange.

2. The rotary lifting flue gas capture device as recited in claim 1, wherein: the balancing weight is a balancing ring, and a positioning column corresponding to the balancing ring is arranged in the sealing box.

3. The elevating rotary flue gas capture device of claim 1, wherein: the flue gas entrapment cover side is equipped with the horizontal mouth of pipe, the chapter of the horizontal mouth of pipe and horizontal dust absorption pipeline port is equipped with the sealing joint subassembly, the sealing joint subassembly by with horizontal dust absorption pipeline welded mounting flange I, with horizontal mouth of pipe welded mounting flange II, connect the intermediate flange sleeve between mounting flange I and mounting flange II, the sealing packing between intermediate flange sleeve and horizontal mouth of pipe and the horizontal dust absorption pipeline lateral wall, be equipped with the tight piece of clamp between mounting flange II and the sealing packing.

4. The elevating rotary flue gas capture device of claim 1, wherein: the flue gas entrapment cover encloses the fender by last four pyramid covers, the lower extension of locating four pyramid cover lower edges and constitutes, the lower extension encloses to keep off down along one side height, and the opposite side is low, is the trapezoidal form.

5. The elevating rotary flue gas capture device of claim 1, wherein: the center of the smoke trapping cover is hung with a drainage tube with an opening at the lower end, and the inner end of a horizontal tube orifice on the side surface of the smoke trapping cover extends inwards to the cover and is communicated with the upper part of the drainage tube.

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