Flue gas emission device of casting smelting furnace

Abstract

The utility model discloses a flue gas emission device of a casting smelter, which comprises an emission gas pipe, the end of the emission gas pipe is communicated with the inside of a guide assembly, the surface of the guide assembly is sleeved with a water injection mechanism, the surface of the water injection mechanism is covered with a heat preservation assembly, and a filter assembly is installed inside the guide assembly. The end of the guide assembly is sleeved with a dismounting assembly. Smoke can be conveniently guided into the guide gas pipe through the exhaust gas pipe, sweeps and dust in the smoke can be filtered into the guide gas pipe through the filter disc installed in the guide assembly, meanwhile, part of harmful substances in the smoke can be conveniently adsorbed through the activated carbon bag placed in the installation head, and therefore the smoke purification effect is improved. And moreover, the mounting head and the guide gas pipe are detachably mounted, so that the filter disc and the activated carbon bag can be conveniently disassembled, assembled and replaced, the interior of the guide gas pipe can be conveniently cleaned, and the treatment pressure of subsequent equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke exhaust pipe technical field especially relates to a casting smelting furnace's flue gas emission device. BACKGROUND

[0002] Casting smelting furnace is a kind of equipment for melting and casting metal, is widely used in foundry industry.Casting smelting furnace's main function is to heat metal material to melting point, make it melt, then carry out casting, forging, extrusion etc.

[0003] The existing casting smelting furnace when in use, will be between the flue gas exhaust by exhaust pipe, but the current flue gas contains a large amount of waste scrap impurities and harmful gases, therefore direct emission can cause pollution to the environment, and a large amount of waste scrap impurities can increase the working strength of subsequent processing equipment, easy to cause the internal blockage of equipment, therefore, we propose a kind of casting smelting furnace's flue gas emission device to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a kind of casting smelting furnace's flue gas emission device.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of casting smelting furnace's flue gas emission device, including discharge pipe, the end of the discharge pipe is communicated with the inside of guide component, and the surface of guide component is provided with water injection mechanism, the surface of water injection mechanism is covered with heat preservation component, the inside of guide component is provided with filter component, the end of guide component is provided with dismounting component.

[0007] Preferably, the guide component includes a guide pipe, the end of the discharge pipe is communicated with one end of the guide pipe, and the inner wall of the guide pipe is fixedly connected with one end of the connecting column, the other end of the connecting column is fixedly connected with the fixed column, and the fixed column is fixed by the multiple connecting columns.

[0008] Preferably, one end of the fixed column is fixedly connected with a guide head, and the cross section of the guide head is conical, which can guide the flue gas.

[0009] Preferably, the water injection mechanism includes a water pipe, the surface of the guide pipe is provided with the water pipe, and both ends of the water pipe are provided with connecting heads, which can form a reflux of water in the water pipe.

[0010] Preferably, the heat preservation assembly comprises a heat preservation cover, the outer surface of the guide air pipe is sleeved with the heat preservation cover, and the inner wall of the heat preservation cover is bonded with a heat preservation pad; the water pipe passes through the inside of the heat preservation cover and the heat preservation pad at both ends, and the heat preservation cover can conveniently heat the water pipe, thereby improving the heat recovery efficiency.

[0011] Preferably, the filter assembly comprises a mounting bolt, the other end of the fixed column is provided with a filter disc through the mounting bolt, and the surface size of the filter disc is matched with the inner wall size of the guide air pipe; the surface size of the filter disc is matched with the inner wall size of the guide air pipe, so that the flue gas flowing in the guide air pipe can be conveniently filtered.

[0012] Preferably, the dismounting assembly comprises a mounting head, the other end of the guide air pipe is threadedly sleeved with the mounting head, and the outer end of the mounting head is communicated with a tail pipe; one end of the guide air pipe inserted into the inside of the mounting head abuts against one side of a limiting ring, and the other side of the limiting ring abuts against an activated carbon bag; the limiting ring can conveniently limit and press the activated carbon bag.

[0013] Compared with the prior art, the device has the following beneficial effects:

[0014] 1. The device can conveniently guide the flue gas into the guide air pipe through the discharge air pipe, filter the waste dust in the flue gas in the guide air pipe through the filter disc installed in the guide assembly, conveniently adsorb part of the harmful substances in the flue gas through the activated carbon bag placed in the mounting head, reduce the pollution of the discharged flue gas, and conveniently dismount, replace and clean the filter disc, the activated carbon bag and the inside of the guide air pipe through the detachable mounting of the mounting head and the guide air pipe, thereby reducing the processing pressure of subsequent equipment.

[0015] 2. The device can conveniently inject water into the water pipe through the connecting head, heat the water in the water pipe when conveying the flue gas in the guide air pipe, conveniently recover the heat in the flue gas, and conveniently heat and recover the heat in the water pipe through the heat preservation cover and the heat preservation pad sleeved on the surface of the water pipe, thereby improving the heat recovery efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of a flue gas discharge device of a casting furnace;

[0017] Figure 2 It is a three-dimensional sectional view of a flue gas discharge device of a casting furnace;

[0018] Figure 3 It is Figure 1 a three-dimensional sectional view of the discharge air pipe and the guide air pipe structure in the flue gas discharge device of the casting furnace;

[0019] Figure 4For Figure 1 Fig. 3 is a schematic view of the fixed column and filter disc structure in a three-dimensional separated state.

[0020] Fig. 1: exhaust pipe;

[0021] 2, guide assembly; 21, guide pipe; 22, connecting column; 23, fixed column; 24, guide head;

[0022] 3, water injection mechanism; 31, water pipe; 32, connecting head;

[0023] 4, heat preservation assembly; 41, heat preservation cover; 42, heat preservation pad;

[0024] 5, filter assembly; 51, mounting bolt; 52, filter disc;

[0025] 6, disassembly assembly; 61, mounting head; 62, tail pipe; 63, limiting ring; 64, activated carbon package. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0027] Referring to Figures 1-4 , a flue gas exhaust device of a casting furnace, comprising an exhaust pipe 1, the end of the exhaust pipe 1 is in communication with the inside of a guide assembly 2, and the surface of the guide assembly 2 is sleeved with a water injection mechanism 3, the surface of the water injection mechanism 3 is covered with a heat preservation assembly 4, the inside of the guide assembly 2 is provided with a filter assembly 5, and the end of the guide assembly 2 is sleeved with a disassembly assembly 6, which is detachably installed through the guide assembly 2 and the disassembly assembly 6, so that the inside of the guide assembly 2 can be conveniently cleaned regularly.

[0028] Further, referring to Figure 2 and Figure 3 It can be seen that the guide assembly 2 comprises a guide pipe 21, the end of the exhaust pipe 1 is in communication with one end of the guide pipe 21, and the inner wall of the guide pipe 21 is fixedly connected with one end of a connecting column 22, the other end of the connecting column 22 is fixedly connected with a fixed column 23, and the inside of the exhaust pipe 1 is in communication with the guide pipe 21, which can facilitate the guiding of flue gas.

[0029] Further, referring to Figure 3 and Figure 4 It can be seen that one end of the fixed column 23 is fixedly connected with a guide head 24, and the cross section of the guide head 24 is conical, and the cross section of the guide head 24 is conical, which can facilitate the guiding of flue gas and increase the contact amount of flue gas with the inner wall of the guide pipe 21.

[0030] Further, referring to Figure 1 And Figure 2 It can be known that the water injection mechanism 3 comprises a water pipe 31, the surface of the guide air pipe 21 is sleeved with the water pipe 31, and the two ends of the water pipe 31 are both provided with a connecting head 32, so that the water pipe 31 can be conveniently replenished with water.

[0031] Further, referring to Figure 1 And Figure 2 It can be known that the heat preservation assembly 4 comprises a heat preservation cover 41, the outer surface of the guide air pipe 21 is fixedly sleeved with the heat preservation cover 41, and the inner wall of the heat preservation cover 41 is bonded with a heat preservation pad 42; the two ends of the water pipe 31 pass through the inside of the heat preservation cover 41 and the heat preservation pad 42, and the heat preservation pad 42 can conveniently increase the heat preservation property of the inside of the heat preservation cover 41.

[0032] Further, referring to Figure 3 And Figure 4 It can be known that the filter assembly 5 comprises a mounting bolt 51, the other end of the fixed column 23 is provided with a filter disc 52 through the mounting bolt 51, and the surface size of the filter disc 52 is matched with the inner wall size of the guide air pipe 21; the filter disc 52 is threadedly connected with the fixed column 23 through the mounting bolt 51 passing through the filter disc 52, so that the filter disc 52 can be conveniently disassembled.

[0033] Further, referring to Figure 3 And Figure 4 It can be known that the disassembling assembly 6 comprises a mounting head 61, the other end of the guide air pipe 21 is threadedly sleeved with the mounting head 61, and the outer end of the mounting head 61 is communicated with a tail pipe 62; one end of the guide air pipe 21 inserted into the inside of the mounting head 61 abuts against one side of a limiting ring 63, and the other side of the limiting ring 63 abuts against an activated carbon bag 64; the activated carbon bag 64 can be conveniently replaced through the thread connection between the mounting head 61 and the guide air pipe 21.

[0034] Working principle: when the exhaust pipe 1 is used, according to the attached Figure 1 , the attached Figure 2 , the attached Figure 3 and the attached Figure 4 , the waste gas can be guided into the inside of the guide air pipe 21 through the exhaust pipe 1, and the flow of the flue gas and the inner wall of the guide air pipe 21 can be increased through the guidance of the guide head 24; when the flue gas flows along the inside of the guide air pipe 21, the waste debris and impurities in the flue gas can be filtered through the filter disc 52, and part of the harmful substances in the flue gas can be adsorbed and filtered through the activated carbon bag 64; the filtered flue gas is discharged through the mounting head 61 and the tail pipe 62, and the inside of the water pipe 31 can be injected with water through the connection between the connecting head 32 and the external water pipe, so that the water in the inside of the water pipe 31 can be heated when the flue gas flows in the inside of the guide air pipe 21, and the inside of the water pipe 31 can be heat preserved through the heat preservation cover 41 and the heat preservation pad 42.

[0035] The above is the whole working principle of the present application.

[0036] In the present application, the installation mode, connection mode or setting mode of all the components described above are common mechanical modes, and the specific structure, model and coefficient index of all the components are self-contained technologies, as long as they can achieve the beneficial effects, and can be implemented, so no more description is added.

[0037] The above embodiments are the preferred embodiments of the present application, but the embodiments of the present application are not limited by the above embodiments, and any changes, modifications, substitutions, combinations and simplifications made without departing from the spirit and principles of the present application are equivalent replacement methods, which are all included in the protection scope of the present application.

[0038] In the present application, unless otherwise stated, the orientation words contained in the terms such as "up, down, left, right, front, back, inside, outside and vertical and horizontal" only represent the orientation of the term in the conventional use state, or the common name understood by the person skilled in the art, and should not be regarded as a limitation of the term, at the same time, the ordinal terms such as "first", "second" and "third" do not represent the specific quantity and order, but are only used for the differentiation of the name, and moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes the elements inherent in such process, method, article or device.

Claims

1. A fume exhaust device for a foundry furnace comprising an exhaust duct (1), characterized in that, The end of the exhaust pipe (1) is in communication with the inside of the guide assembly (2), the surface of the guide assembly (2) is sleeved with a water injection mechanism (3), the surface of the water injection mechanism (3) is covered with a heat preservation assembly (4), the inside of the guide assembly (2) is provided with a filter assembly (5), and the end of the guide assembly (2) is sleeved with a dismounting assembly (6).

2. A fume exhaust apparatus for a casting furnace according to claim 1, wherein The guide assembly (2) comprises a guide pipe (21), the end of the exhaust pipe (1) is in communication with one end of the guide pipe (21), and the inner wall of the guide pipe (21) is fixedly connected with one end of a connecting column (22).

3. A fume exhaust for a casting furnace as defined in claim 2, wherein One end of the fixed column (23) is fixedly connected with a guide head (24), and the cross section of the guide head (24) is conical.

4. A fume exhaust apparatus for a casting furnace according to claim 2, wherein The water injection mechanism (3) comprises a water pipe (31), the surface of the guide pipe (21) is sleeved with the water pipe (31), and both ends of the water pipe (31) are provided with connecting heads (32).

5. A fume exhaust arrangement for a casting furnace as claimed in claim 4, wherein, The heat preservation assembly (4) comprises a heat preservation cover (41), the outer surface of the guide pipe (21) is fixedly sleeved with the heat preservation cover (41), the inner wall of the heat preservation cover (41) is bonded with a heat preservation pad (42), and both ends of the water pipe (31) pass through the inside of the heat preservation cover (41) and the heat preservation pad (42).

6. A fume exhaust apparatus for a casting furnace according to claim 3, wherein The filter assembly (5) comprises a mounting bolt (51), the other end of the fixed column (23) is provided with a filter disc (52) through the mounting bolt (51), and the surface size of the filter disc (52) is matched with the inner wall size of the guide pipe (21).

7. A fume exhaust apparatus for a casting furnace according to claim 2, wherein The dismounting assembly (6) comprises a mounting head (61), the other end of the guide pipe (21) is threadedly sleeved with the mounting head (61), the outer end of the mounting head (61) is in communication with a tail pipe (62), one end of the guide pipe (21) inserted into the inside of the mounting head (61) abuts against one side of a limiting ring (63), and the other side of the limiting ring (63) abuts against an activated carbon bag (64).

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