CN212309181U

CN212309181U - Be used for as cast exhaust treatment device

Info

Publication number: CN212309181U
Application number: CN202020558215.6U
Authority: CN
Inventors: 杨晶
Original assignee: Wenzhou Shenggui Valve Co ltd
Current assignee: Wenzhou Shenggui Valve Co ltd
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2021-01-08
Anticipated expiration: 2030-04-15

Abstract

The utility model discloses a waste gas treatment device for casting, which comprises an intermediate frequency furnace and an air suction cover, wherein an air inlet pipeline is arranged above the air suction cover, one end of the air inlet pipeline, which is far away from the air suction cover, is provided with a water spraying treatment box, the middle part of the lower part of the water spraying treatment box is provided with a vertical pipe, the lower end of the vertical pipe is provided with a rectangular pipe, the lower surface of the rectangular pipe is provided with a mixed liquid outlet, the lower end surface of the mixed liquid outlet is provided with a cover plate through a reset hinge, a dust collecting chamber is arranged below the mixed liquid outlet, one end of the rectangular pipe, which is far away from the vertical pipe, is provided with an air outlet pipe, the lower end of the air outlet pipe is connected with a combustion chamber, the utility model is provided with the water spraying treatment box, the water spraying treatment box, the explosion phenomenon is avoided, and the utility model discloses all waste gases get into the combustion chamber and burn.

Description

Be used for as cast exhaust treatment device

Technical Field

The utility model relates to a casting technical field specifically is a be used for as cast exhaust treatment device.

Background

The purification method for the smoke dust and the casting waste gas generated by the casting plant has various methods: the direct combustion method, the activated carbon adsorption method, the chemical catalysis method, the biological decomposition method and the ozone deodorization method have high investment cost and unobvious purification effect, and can generate secondary pollution if the treatment is not good;

the combustion method is widely used because it is relatively thorough, but the exhaust gas carries dust from the dust box, in which case if it is directly combusted, a blasting phenomenon occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for as cast exhaust treatment device to can carry dust box dust in solving prior art in the waste gas, if the problem that the direct combustion then can produce the blasting phenomenon under this kind of condition.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for as cast exhaust treatment device, includes intermediate frequency furnace and the cover that induced drafts, the intake stack is installed to the top of the cover that induced drafts, the intake stack is kept away from the one end of the cover that induced drafts and is installed water spray treatment case, the below mid-mounting of water spray treatment case has the standpipe, the rectangular pipe is installed to the lower extreme of standpipe, the lower surface mounting of rectangular pipe has mixed liquid export, the lower terminal surface that mixes the liquid export is installed the apron through the hinge that resets, the below of mixing the liquid export is provided with the dust collecting chamber, the rectangular pipe is kept away from the one end of standpipe and is installed.

Preferably, the air suction cover is umbrella-shaped, and an air suction fan is arranged in the air suction cover.

Preferably, a transverse water pipe is installed above the inside of the water spraying treatment box, at least three spray heads are installed on the lower surface of the water pipe, and one end of the water pipe is connected with an external water source.

Preferably, the one end that the hinge that resets is kept away from to the apron sets up to the arc, mix and install sealed the pad with the position that the arc portion of apron corresponds on the inner wall of liquid export.

Preferably, the intermediate frequency furnace is positioned below the air suction hood.

Preferably, a water outlet pipe is arranged at one side below the dust collecting chamber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the water spraying treatment box which can spray water to the waste gas, so that the dust and the dust enter the water, the dust and the dust in the waste gas are combusted after being treated, and the explosion phenomenon is avoided;

2. the utility model discloses set up the rectangular pipe, mixed liquid export and through hinge articulated apron that resets, the apron receives the action of gravity that mixes the liquid and just can be opened to avoid from the water spray treatment case exhaust still not discharged by the waste gas of burning from mixing the liquid export discharge, guaranteed that all waste gas get into the combustion chamber and burn.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is a schematic structural view of the rectangular tube of the present invention.

In the figure: 1. an intermediate frequency furnace; 2. an air suction hood; 3. an air suction fan; 4. an air inlet pipeline; 5. a water spray treatment tank; 6. a spray head; 7. a water pipe; 8. a rectangular tube; 9. a vertical tube; 10. An air outlet pipe; 11. a combustion chamber; 12. a dust collecting chamber; 13. a gasket; 14. a mixed liquid outlet; 15. a cover plate; 16. and (4) resetting the hinge.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, in an embodiment of the present invention, an exhaust gas treatment apparatus for casting includes an intermediate frequency furnace 1 and an air draft cover 2, the air draft cover 2 is located above the intermediate frequency furnace 1, the air draft cover 2 is umbrella-shaped, and an air draft fan 3 is installed inside the air draft cover 2, the air draft fan 3 sucks away the exhaust gas generated by the intermediate frequency furnace 1, the air draft cover 2 can enlarge the air draft range, the exhaust gas of the intermediate frequency furnace 1 is also prevented from scattering, and all the exhaust gas is ensured to be sucked away by the air draft fan 3;

continuing to refer to fig. 1, an air inlet pipeline 4 is installed above the air suction hood 2, a water spraying treatment box 5 is installed at one end of the air inlet pipeline 4 far away from the air suction hood 2, waste gas enters the water spraying treatment box 5 through the air inlet pipeline 4, and the water spraying treatment box 5 is used as a place for treating ash and dust;

continuing to refer to fig. 1, a transverse water pipe 7 is installed above the inside of the water spray treatment box 5, at least three spray heads 6 are installed on the lower surface of the water pipe 7, one end of the water pipe 7 is connected with an external water source, the external water source conveys water to the spray heads 6 through the water pipe 7, the spray heads 6 spray the water downwards, and the water can coat dust and dust to form a mixture;

referring to fig. 1, 2 and 3, a rectangular pipe 8 is installed in the middle of the lower portion of the water spray treatment tank 5, a vertical pipe 9 should be connected between the rectangular pipe 8 and the water spray treatment tank 5, a mixed liquid outlet 14 is installed on the lower surface of the rectangular pipe 8, a cover plate 15 is installed on the lower end surface of the mixed liquid outlet 14 through a reset hinge 16, one end of the cover plate 15, which is far away from the reset hinge 16, is arc-shaped, a sealing pad 13 is installed on the inner wall of the mixed liquid outlet 14, which corresponds to the arc-shaped portion of the cover plate 15, a mixture of water and ash dust can enter the rectangular pipe 8 through the vertical pipe 9, and the mixture of, when the weight reaches the bearing limit of the reset hinge 16, the cover plate 15 can be opened, the gap opened by the cover plate 15 is blocked by the mixture of water and dust, the waste gas can not be discharged from the mixed liquid outlet 14, and only at the moment, the mixture of water and dust flows downwards;

as shown in fig. 1, a dust collection chamber 12 is arranged below the mixed liquid outlet 14, a water outlet pipe is arranged at one side below the dust collection chamber 12, the mixture of water and dust flows downwards to the rear shell to reach the dust collection chamber 12, and the water outlet pipe of the dust collection chamber 12 can discharge waste water;

continuing to refer to fig. 1, an outlet pipe 10 is installed at one end of the rectangular pipe 8 far from the vertical pipe 9, the lower end of the outlet pipe 10 is connected with a combustion chamber 11, and waste gas after ash and dust treatment can enter the combustion chamber 11 through the outlet pipe 10 to be subjected to combustion method for waste gas treatment.

The utility model discloses a theory of operation and use flow: when the device is used, the exhaust fan 3 sucks the exhaust gas generated by the intermediate frequency furnace 1, the air suction cover 2 can enlarge the air suction range, the exhaust gas of the intermediate frequency furnace 1 is prevented from being scattered, all the exhaust gas is ensured to be sucked by the air suction fan 3, the exhaust gas enters the inside of the water spray treatment box 5 through the air inlet pipeline 4, an external water source conveys water to the spray head 6 through the water pipe 7, the spray head 6 sprays the water downwards, the water can coat the dust and the dust to form a mixture, the mixture of the water and the dust can be pressed on the cover plate 15, when the weight reaches the bearing limit of the reset hinge 16, the cover plate 15 can be opened, the gap opened by the cover plate 15 is blocked by the mixture of the water and the dust and the exhaust gas, the exhaust gas cannot be discharged from the mixed liquid outlet 14, only the mixture of the water and the dust and the exhaust gas after the treatment flows downwards, and the exhaust gas after, the waste gas is treated by a combustion method.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be used for as cast exhaust treatment device, includes intermediate frequency furnace (1) and suction hood (2), its characterized in that: air inlet duct (4) are installed to the top of cover (2) induced drafts, air inlet duct (4) are kept away from the one end of cover (2) induced drafts and are installed water spray treatment case (5), the below mid-mounting of water spray treatment case (5) has standpipe (9), rectangular pipe (8) are installed to the lower extreme of standpipe (9), the lower surface mounting of rectangular pipe (8) has mixed liquid export (14), apron (15) are installed through hinge (16) that resets to the lower terminal surface of mixed liquid export (14), the below of mixed liquid export (14) is provided with dust collecting chamber (12), standpipe (9) are kept away from in rectangular pipe (8) one end is installed outlet duct (10), the lower extreme of outlet duct (10) is connected with combustion chamber (11).

2. An exhaust gas treatment device for casting according to claim 1, wherein: the air suction cover (2) is umbrella-shaped, and an air suction fan (3) is arranged in the air suction cover (2).

3. An exhaust gas treatment device for casting according to claim 1, wherein: horizontal water pipe (7) are installed to the inside top of water spray treatment case (5), and the lower surface mounting of water pipe (7) has at least three shower nozzle (6), and the outside water source is connected to the one end of water pipe (7).

4. An exhaust gas treatment device for casting according to claim 1, wherein: the one end that resets hinge (16) is kept away from in apron (15) sets up to the arc, mix the position that corresponds with the arc portion of apron (15) on the inner wall of liquid export (14) and install sealed pad (13).

5. An exhaust gas treatment device for casting according to claim 1, wherein: the intermediate frequency furnace (1) is positioned below the air suction hood (2).

6. An exhaust gas treatment device for casting according to claim 1, wherein: a water outlet pipe is arranged on one side below the dust collecting chamber (12).