CN210135790U

CN210135790U - Smoke sealing device of carbon anode roasting furnace

Info

Publication number: CN210135790U
Application number: CN201920797926.6U
Authority: CN
Inventors: 姜国; 王雷; 张传明
Original assignee: Shandong Huadu Carbon Technology Co Ltd
Current assignee: Shandong Huadu Carbon Technology Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-10
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a burning furnace flue gas sealing device is baked over a slow fire to carbon anode, including baking over a slow fire the furnace body, it has the exhaust port to bake over a slow fire open body top outer wall one side over a slow fire, and the interior grafting of exhaust port is fixed with the delivery pipe, and delivery pipe circumference outer wall top is fixed with solid fixed ring, the delivery pipe top has cup jointed the pipe of discharging fume, and discharges fume and manage circumference outer wall bottom and solid fixed ring circumference outer wall and be fixed with second go-between and first go-between respectively, first go-between top outer wall is fixed with the sealing ring, and second go-between bottom outer wall open have with the annular seal groove of sealing ring specification adaptation, cup jointed two arc covers on first. The utility model discloses can make things convenient for the delivery pipe and discharge fume the pipe and connect fixed work, easy to assemble, and the sealing ring can increase connection area between first go-between and the second go-between, improves the leakproofness between pipe and the delivery pipe of discharging fume, prevents that the flue gas from spilling over.

Description

Smoke sealing device of carbon anode roasting furnace

Technical Field

The utility model relates to a bake burning furnace technical field over a slow fire, especially relate to a charcoal anode roasting furnace smoke gas seal device.

Background

With the rapid popularization and application of the carbon industry, higher and higher requirements are put forward on the demand of refractory materials. The carbon roasting furnace is a key process for producing the prebaked electrolytic aluminum anode, the energy consumption of the carbon roasting furnace is high, and a large amount of pollutants such as asphalt smoke, smoke dust and the like are discharged in the production process, so the service life of a flue of the roasting furnace is more and more emphasized.

The flue of the carbon roasting furnace usually adopts light castable with high refractoriness and good strength and thermal shock resistance as a flue lining material. However, the flue needs to be subjected to permeation and erosion of harmful products such as asphalt gas and sulfide in the flue, so that the overall strength of the flue sealing structure needs to be improved, but the existing flue is inconvenient to assemble and disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an air sealing device for smoke of a carbon anode roasting furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a charcoal anode roasting furnace gas seal device, includes and bakes the burning furnace body over a slow fire, it has the exhaust port to bake burning furnace body top outer wall one side open, and the interior grafting of exhaust port is fixed with the delivery pipe, and delivery pipe circumference outer wall top is fixed with solid fixed ring, the delivery pipe top has cup jointed the pipe of discharging fume, and discharges fume and manage circumference outer wall bottom and solid fixed ring circumference outer wall and be fixed with second go-between and first go-between respectively, first go-between top outer wall is fixed with the sealing ring, and second go-between bottom outer wall open have with the annular seal groove of sealing ring specification adaptation, cup jointed two arc covers on first go-between and the second go-between, and pass through the bolt fastening between arc cover and first go-between.

Furthermore, the smoke outlet and the discharge pipe are fixed by welding.

Further, the outer diameter of the fixing ring is the same as that of the smoke exhaust pipe.

Furthermore, an arc-shaped chamfer is arranged at the edge of the circumferential outer wall at the top of the sealing ring.

Furthermore, the top end of the circumferential outer wall of the exhaust pipe is provided with an L groove, and the inner wall of the exhaust pipe is fixed with a convex column which is in clamping fit with the L groove.

Furthermore, the outer wall of the top of the fixing ring is fixed with a plurality of annularly distributed limiting columns, and the limiting columns are inserted into the smoke exhaust pipe.

Further, the inner wall of the smoke outlet and the outer wall of the discharge pipe are both provided with threads, and the discharge pipe is in threaded connection with the smoke outlet in a fixing mode.

The utility model has the advantages that:

1. the arrangement of the first connecting ring and the second connecting ring can facilitate the connection and fixation of the exhaust pipe and the exhaust pipe, the installation is convenient, the sealing ring can increase the connection area between the first connecting ring and the second connecting ring, the sealing performance between the exhaust pipe and the exhaust pipe is improved, and the overflow of smoke is prevented.

2. The setting through the convex column can be at the pipe rotatory joint when pegging graft on the delivery pipe of discharging fume and at the L inslot, prevents to rock, and solid fixed ring's setting can support the tub bottom of discharging fume, and spacing post can be pegged graft spacingly to the tub bottom of discharging fume, improves the holistic structural strength of exhaust pipe.

3. The pipe of discharging can conveniently discharging fume through the setting of screw thread and dismantle the dismantlement of back to the delivery pipe, further improves the convenience of device dismouting work, the later maintenance of being convenient for.

Drawings

FIG. 1 is a schematic sectional view of an embodiment 1 of an air sealing device for smoke of a carbon anode roasting furnace according to the present invention;

FIG. 2 is a schematic perspective view of an air sealing device for smoke of a carbon anode roasting furnace according to example 1 of the present invention;

fig. 3 is a schematic sectional structural view of embodiment 2 of the smoke sealing device for a carbon anode roasting furnace according to the present invention.

In the figure: the device comprises a roasting furnace body 1, a discharge pipe 2, a first connecting ring 3, a first connecting ring 4, an arc-shaped sleeve 5, a convex column 6, a groove 7L, a smoke exhaust pipe 8, a limiting column 9, a sealing ring 10, a fixing ring 11 and threads 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1 and 2, a charcoal anode roasting furnace smoke sealing device, including roasting a stove body 1 over a slow fire, it has the exhaust port to roast 1 top outer wall one side of stove body over a slow fire, and it is fixed with delivery pipe 2 to peg graft in the exhaust port, 2 circumference outer wall tops of delivery pipe are fixed with solid fixed

ring

11, 2 tops of delivery pipe cup joint the pipe 8 of discharging fume, and 8 circumference outer wall bottoms of pipe of discharging fume and solid fixed ring 11 circumference outer wall are fixed with second go-between 4 and first go-between 3 respectively, 3 top outer walls of first go-between are fixed with sealing ring 10, and 4 bottom outer walls of second go-between open the annular seal groove with 10 specification adaptations of sealing ring, cup joint two arc covers 5 on first go-between 3 and the second go-between 4, and pass through the bolt fastening between arc cover 5 and first go-between.

Wherein, the fixing mode between the smoke outlet and the discharge pipe 2 is welding.

Wherein, the outer diameter of the fixed ring 11 is the same as the outer diameter of the smoke exhaust pipe 8, and the fixed ring 11 can support the bottom of the smoke exhaust pipe 8.

Wherein, sealing ring 10 top circumference outer wall edge is equipped with arc chamfer, further increases the sealing strength between the go-between.

Wherein, 2 circumference outer wall tops of delivery pipe are opened there is L groove 7, and the 8 inner walls of pipe of discharging fume are fixed with and form joint complex projection 6 with L groove 7, and projection 6 can be at rotatory joint when 8 pegs graft on delivery pipe 2 of discharging fume in L groove 7, prevent to rock.

Wherein, fixed ring 11 top outer wall is fixed with a plurality of spacing posts 9 that the annular distributes, and just spacing post 9 pegs graft in tub 8 of discharging fume, and spacing post 9 can be to 8 bottoms of tub of discharging fume spacing of pegging graft.

The working principle of the embodiment is as follows: first go-between 3 and second go-between 4 can make things convenient for discharge pipe 2 and discharge pipe 8 to connect fixed work, easy to assemble, and sealing ring 10 can increase connection area between first go-between 3 and the second go-between 4, improve the leakproofness between 8 and the discharge pipe 2 of discharging fume, prevent that the flue gas from spilling over, gu fixed ring 11 can support 8 bottoms of discharging fume, rotatory joint is in L inslot 7 when 8 of pipe of discharging fume are pegged graft on discharge pipe 2 in projection 6, prevent to rock, and spacing post 9 can be pegged graft spacingly to 8 bottoms of pipe of discharging fume, improve the holistic structural strength of the pipeline of discharging fume.

Example 2

Referring to fig. 3, the present embodiment of a smoke sealing device for a carbon anode roasting furnace is different from embodiment 1 in that the inner wall of the exhaust port and the outer wall of the exhaust pipe 2 are both provided with threads 12, and the exhaust pipe 2 and the exhaust port are fixed by a threaded connection.

The working principle of the embodiment is as follows: the screw thread 12 can conveniently discharge fume 8 and dismantle the back to the dismantlement of delivery pipe 2, further improves the convenience of device dismouting work, the later maintenance of being convenient for.

In the description of this patent, it is to be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In this patent, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate, or they may be connected internally or in an interactive relationship with each other, and unless otherwise specifically limited, the specific meaning of the above terms in this patent will be understood by those skilled in the art according to the specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A smoke sealing device of a carbon anode roasting furnace comprises a roasting furnace body (1) and is characterized in that one side of the outer wall of the top of the roasting furnace body (1) is provided with a smoke outlet, a discharge pipe (2) is fixedly inserted in the smoke exhaust port, a fixed ring (11) is fixed at the top end of the circumferential outer wall of the discharge pipe (2), a smoke exhaust pipe (8) is sleeved at the top end of the discharge pipe (2), and the bottom end of the circumferential outer wall of the smoke exhaust pipe (8) and the circumferential outer wall of the fixed ring (11) are respectively fixed with a second connecting ring (4) and a first connecting ring (3), a sealing ring (10) is fixed on the outer wall of the top of the first connecting ring (3), and the outer wall of the bottom of the second connecting ring (4) is provided with an annular sealing groove which is matched with the sealing ring (10) in specification, the first connecting ring (3) and the second connecting ring (4) are sleeved with two arc sleeves (5), and the arc-shaped sleeve (5) is fixed with the first connecting ring (3) and the second connecting ring (4) through bolts.

2. A carbon anode roasting furnace smoke gas sealing device according to claim 1, characterized in that the fixing manner between the smoke outlet and the discharge pipe (2) is welding.

3. The carbon anode roasting furnace smoke gas sealing device according to claim 1, wherein the outer diameter of the fixing ring (11) is the same as the outer diameter of the smoke exhaust pipe (8).

4. The carbon anode roasting furnace smoke gas sealing device according to claim 1, characterized in that the edge of the outer circumferential wall of the top of the sealing ring (10) is provided with an arc-shaped chamfer.

5. The carbon anode roasting furnace smoke gas sealing device according to claim 1, wherein the top end of the circumferential outer wall of the discharge pipe (2) is provided with an L-shaped groove (7), and the inner wall of the smoke discharge pipe (8) is fixed with a convex column (6) which forms a clamping fit with the L-shaped groove (7).

6. The carbon anode roasting furnace smoke gas sealing device according to claim 1, wherein a plurality of annularly distributed limiting columns (9) are fixed on the outer wall of the top of the fixing ring (11), and the limiting columns (9) are inserted into the smoke exhaust pipe (8).

7. The carbon anode roasting furnace smoke gas sealing device according to claim 1, wherein the inner wall of the smoke outlet and the outer wall of the discharge pipe (2) are both provided with threads (12), and the discharge pipe (2) is in threaded connection with the smoke outlet.