CN213101437U - Lost foam casting exhaust treatment device - Google Patents

Abstract

The utility model discloses a lost foam casting exhaust treatment device, aqueous vapor separator including the order connection, dry-type rose box and catalytic combustion device, aqueous vapor separator includes support frame and barrel, the bottom of barrel is provided with the toper portion, the lateral wall top of barrel is provided with the intake pipe, the intake pipe is tangent with the barrel, the axis position of barrel is provided with the outlet duct, the bottom fixed connection of fixed plate and barrel is passed through to the bottom of outlet duct, the fixed interior collar that is provided with in upper portion of outlet duct, the top of barrel is provided with the outer collar that is flat mutually with interior collar, detachable is provided with the lid structure on interior collar and the outer collar, detachable is provided with network structure on the inner wall of barrel, form the annular that can supply network structure business turn over between interior collar and the outer collar and get out the groove. The utility model discloses increased network structure on traditional aqueous vapor separator's basis, further strengthened the seizure ability to moisture content, improved the aqueous vapor separation effect.

Description

Lost foam casting exhaust treatment device

Technical Field

The utility model relates to a lost foam casting exhaust-gas treatment technical field especially relates to a lost foam casting exhaust treatment device.

Background

The lost foam casting is a negative pressure vacuum casting type, a sand box is connected with a vacuum pump through an exhaust pipe, gas generated by decomposition of foam during casting is sucked out by the vacuum pump, a main VOCs pollution source of the lost foam casting is organic waste gas such as high-concentration benzene, toluene, xylene and alkanes generated instantly after the foam is gasified in the casting process, the lost foam casting vacuum system is water-circulating, so that the waste gas also contains a large amount of moisture, and in order to treat the waste gas with the components, the conventional lost foam casting waste gas treatment system generally comprises a water-gas separation device, a dry filter box and catalytic combustion equipment, but the conventional water-gas separation device has the problem of poor water-gas separation effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a lost foam casting exhaust treatment device to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lost foam casting waste gas treatment device, which comprises a water-gas separation device, a dry filter box and a catalytic combustion device which are connected in sequence, the water-gas separation device comprises a support frame and a cylinder body, the bottom of the cylinder body is provided with a conical part, the bottom end of the conical part is provided with a water outlet, the top of the side wall of the cylinder body is provided with an air inlet pipe which is tangent with the cylinder body, the axial line of the cylinder body is provided with an air outlet pipe, the bottom of the air outlet pipe is fixedly connected with the bottom of the cylinder body through a fixing plate, the upper part of the air outlet pipe is fixedly provided with an inner mounting ring, the top of the cylinder body is provided with an outer mounting ring which is level with the inner mounting ring, the inner mounting ring and the outer mounting ring are detachably provided with cover body structures, the inner wall of the cylinder body is detachably provided with a net-shaped structure, and an annular taking-out groove for the net-shaped structure to go in and out is formed between the inner mounting ring and the outer mounting ring.

Further, the cover body structure comprises a first cover body and a second cover body which are spliced, and the first cover body and the second cover body are connected with the inner mounting ring and the outer mounting ring through bolts.

Furthermore, the splicing position of the first cover body and the second cover body is of a step structure.

Further, network structure includes two semi-ring network bodies, and the semi-ring network body includes the wire net and sets up the frame around the wire net, the inboard cooperation frame of barrel is provided with the fixture block along vertical direction.

Further, the horizontal section of the fixture block is T-shaped.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses network structure has been increased on traditional aqueous vapor separator's basis, has further strengthened the seizure ability to moisture content, has improved the aqueous vapor separation effect to network structure adopts removable structure, can regularly pull down to change or clear up, and is very convenient.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;

fig. 5 is a cross-sectional view of a cover structure according to an embodiment of the present invention;

fig. 6 is a sectional view taken along line D-D in fig. 1.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, the lost foam casting waste gas treatment device described in this embodiment includes a water-gas separation device, a dry-type filter box and a catalytic combustion device, which are connected in sequence, the water-gas separation device includes a support frame 1 and a cylinder 2, a conical portion 3 is disposed at the bottom of the cylinder 2, a water outlet 4 is disposed at the bottom end of the conical portion 3, an air inlet pipe 5 is disposed at the top of the side wall of the cylinder 2, the air inlet pipe 5 is tangent to the cylinder 2, an air outlet pipe 6 is disposed at the axial position of the cylinder 2, the bottom of the air outlet pipe 6 extends to the lower side of the cylinder 2, the top of the air outlet pipe 6 extends to the upper side of the cylinder 2, the top of the air outlet pipe 6 is connected to the inlet of the dry-type filter box through a waste gas pipeline, the bottom of the air outlet pipe 6 is fixedly connected to the bottom of the cylinder 2, the detachable is provided with lid structure on interior collar 8 and the outer collar 9, and the detachable is provided with network structure on the inner wall of barrel 2, forms the annular groove 10 of getting out that can supply network structure business turn over between interior collar 8 and the outer collar 9.

As shown in fig. 4-5, the cover structure includes a first cover 11 and a second cover 12 that are spliced together, both the first cover 11 and the second cover 12 are semi-annular, both the first cover 11 and the second cover 12 are connected to the inner mounting ring 8 and the outer mounting ring 9 through bolts, and sealing gaskets are disposed between the first cover 11 and the second cover 12 and between the inner mounting ring 8 and the outer mounting ring 9.

As shown in fig. 5, the joint of the first cover 11 and the second cover 12 is a stepped structure, and a sealing gasket is disposed in the stepped structure.

The net structure comprises two semi-ring net bodies, each semi-ring net body comprises a steel wire mesh 13 and a frame 14 arranged around the steel wire mesh 13, clamping blocks 15 are arranged on the inner side of the cylinder body 2 and matched with the frames 14 in the vertical direction, and the horizontal sections of the clamping blocks 15 are T-shaped.

The steel wire mesh 13 is provided with an opening at the position corresponding to the air inlet pipe 5, so that the entering gas is prevented from being blocked.

The utility model discloses in the during operation, the waste gas that is mingled with a large amount of moisture gets into from intake pipe 5, carries out the spiral decline in barrel 2, collides with the inner wall and the network structure of barrel 2 at the in-process waste gas that descends, catches the moisture content that contains in the waste gas, and the moisture content of catching flows into in the toper portion 3 downwards, then discharges from outlet 4, and the waste gas of separation moisture content is from outlet duct 6 discharges.

In the use, can attach more and more impurity simultaneously on the network structure, when shutting down, can take out network structure and change or clear up through pulling down lid structure, it is very convenient.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides a lost foam casting exhaust treatment device, includes aqueous vapor separator, dry-type rose box and the catalytic combustion device that the order is connected, aqueous vapor separator includes support frame and barrel, the bottom of barrel is provided with the toper portion, and the bottom of toper portion is provided with the outlet, the lateral wall top of barrel is provided with the intake pipe, and the intake pipe is tangent with the barrel, the axis position of barrel is provided with outlet duct, its characterized in that: the bottom of outlet duct is through the bottom fixed connection of fixed plate and barrel, and the upper portion of outlet duct is fixed and is provided with interior collar, the top of barrel is provided with the outer collar that is level with interior collar, and detachable is provided with lid structure on interior collar and the outer collar, detachable is provided with network structure on the inner wall of barrel, forms the annular groove of getting out that can supply network structure business turn over between interior collar and the outer collar.

2. The exhaust gas treatment device for lost foam casting according to claim 1, wherein: the cover body structure comprises a first cover body and a second cover body which are spliced, and the first cover body and the second cover body are connected with an inner mounting ring and an outer mounting ring through bolts.

3. The exhaust gas treatment device for lost foam casting according to claim 2, wherein: the splicing position of the first cover body and the second cover body is of a stepped structure.

4. The exhaust gas treatment device for lost foam casting according to claim 2, wherein: the net structure comprises two semi-annular net bodies, each semi-annular net body comprises a steel wire mesh and a frame arranged around the steel wire mesh, and the inner side of the cylinder body is matched with the frame and provided with clamping blocks along the vertical direction.

5. The exhaust gas treatment device for lost foam casting according to claim 4, wherein: the horizontal section of the fixture block is T-shaped.

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