CN113295012B

CN113295012B - Flue gas treatment system based on automatic hanging

Info

Publication number: CN113295012B
Application number: CN202110574777.9A
Authority: CN
Inventors: 朱以松; 吴昀
Original assignee: Wuxi Xinan Foundry Machinery Co ltd
Current assignee: Wuxi Xinan Foundry Machinery Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2023-07-04
Anticipated expiration: 2041-05-26
Also published as: CN113295012A

Abstract

The invention provides a flue gas treatment system based on automatic hanging, which comprises a longitudinal translation device, a transverse translation device, a rotation device, a mechanical arm and a synchronous lifting device; the mechanical arm is also connected with the rotary device through a central flue gas pipe; the central flue gas pipe is a hollow pipe and is in sliding connection with a sleeve at the center of the rotary device; the top end of the sleeve is provided with an opening and is used for connecting smoke treatment equipment; and the two sides of the mechanical arm are provided with smoke capturing covers for converging and guiding smoke. According to the automatic hanging flue gas treatment system, the central flue gas pipe of the automatic hanging is utilized as a flue gas channel, and the flue gas collection is more efficient and energy-saving because the exhaust port at one end of the flue gas pipe is always right opposite to the flue gas emission point.

Description

Flue gas treatment system based on automatic hanging

Technical Field

The invention relates to the technical field of flue gas treatment in the casting industry, in particular to a flue gas treatment system based on an automatic crane.

Background

In recent years, with the improvement of national industrial dust-removing flue gas emission standards, a foundry dust-removing system based on a large-scale molding pouring process is generated, and because of the uncertainty of a plurality of process sites, a common dust-removing cover is difficult to consider the dust-removing mode of any process at any site, and a large number of dust-removing covers are needed to meet the demands, so that the cost and the energy consumption are increased intangibly, and a system capable of solving the problem of six-scale smoke dust treatment of the foundry is urgently needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a flue gas treatment system based on an automatic crane, which can recycle and treat flue gas generated in casting, unpacking, shakeout or flow coating operation through a flue gas treatment device by penetrating through a central flue gas pipe of the automatic crane, so as to realize the purpose of high-efficiency energy-saving flue gas treatment in a foundry. The technical scheme adopted by the invention is as follows:

the flue gas treatment system based on the automatic crane comprises a longitudinal translation device, a transverse translation device, a rotation device, a mechanical arm and a synchronous lifting device;

the mechanical arm is also connected with the rotary device through a central flue gas pipe;

the central flue gas pipe is a hollow pipe and is in sliding connection with a sleeve at the center of the rotary device;

the top end of the sleeve is provided with an opening and is used for connecting smoke treatment equipment;

and the two sides of the mechanical arm are provided with smoke capturing covers for converging and guiding smoke.

Further, the top end of the sleeve is connected with the dust and odor removing integrated machine through the top cap and the flue gas inlet pipe.

Further, the dust and odor removing integrated machine comprises a first dust removing box, a second dust removing box and an activated carbon box;

the first dust removing box is connected with an air inlet of the first fan through a first fan air inlet box body on the side face;

the second dust removing box is connected with an air inlet of a second fan through a second fan air inlet box body on the side face;

the air outlets of the first fan and the second fan are communicated with the activated carbon box through a three-way pipe.

Further, a plurality of filtering devices are transversely arranged in the first dust removing box and the second dust removing box, and air outlets of the filtering devices are respectively communicated with the first fan air inlet box body and the second fan air inlet box body;

the top of the first dust removing box and the top of the second dust removing box are provided with air inlets, the top of the activated carbon box is provided with an exhaust funnel, and the air inlets are communicated with the flue gas inlet pipe.

Further, the first fan and the second fan are respectively positioned at the bottoms of the first fan air inlet box body and the second fan air inlet box body; the active carbon box set up in first dust removal case with the second dust removal case is middle or next door, and the active carbon incasement is filled with the active carbon for adsorb dust and VOCs, the active carbon still has the amortization effect simultaneously.

Still further, first dust removal case with second dust removal case bottom all is equipped with the ash bin, and inside all is equipped with jetting device, through jetting device to filter equipment jetting gas blows, blows the dust of absorption, and falls into the ash bin is collected.

Further, the top end of the sleeve is connected with the first negative pressure air suction pipe through the top cap and the flue gas inlet pipe; one end of the first negative pressure air suction pipe is connected with the second negative pressure air suction pipe through a negative pressure connecting pipe, and the second negative pressure air suction pipe is used for connecting external dust removing equipment to treat flue gas.

Further, the first negative pressure air suction pipe is arranged along the length direction of the longitudinal translation device and mainly comprises a first pipe body and a first flexible pad, the upper end of the first pipe body is opened, and the bottom opening of the flue gas inlet pipe is communicated with the first pipe body; the first flexible pad surrounds the flue gas inlet pipe and is adsorbed to the upper end opening of the first pipe body through negative pressure.

Further, the second negative pressure air suction pipe is arranged along the vertical direction of the first negative pressure air suction pipe and mainly comprises a second pipe body and a second flexible pad, the upper end of the second pipe body is opened, one end of the negative pressure connecting pipe is communicated with the first negative pressure air suction pipe, and the bottom opening of the other end of the negative pressure connecting pipe is communicated with the second pipe body; the second flexible pad surrounds the negative pressure connecting pipe and is adsorbed on the upper end opening of the second pipe body through negative pressure.

Further, first compression rollers are arranged on the first flexible pad at two sides of the smoke inlet pipe and synchronously move along with the smoke inlet pipe, and are used for pressing the first flexible pad to prevent smoke leakage in the moving process of the smoke inlet pipe;

and second compression rollers are arranged on the second flexible pad at two sides of the negative pressure connecting pipe and synchronously move along with the negative pressure connecting pipe, and are used for pressing the second flexible pad to prevent smoke leakage in the moving process of the negative pressure connecting pipe.

The invention has the advantages that:

1) The system can simultaneously solve the problems of the movement of a casting ladle in a casting shop, the smoke generated during casting operation, the smoke generated during casting cooling, the smoke generated during pre-opening operation, the smoke generated during integral sand hanging box, box opening, sand box hanging and moving, sand falling operation, the smoke generated during sand mold flow coating and ignition operation after flow coating, the smoke suspended at the top of a workshop during moving and capturing, and the smoke generated during overturning when entering a shakeout machine through a hopper, and has the advantages of less investment and high efficiency.

2) The user can select to use the external flue gas treatment system to remove dust on the spot or use the far-end of leading-out flue gas treatment system to remove dust by oneself, and two kinds of modes are freely selected, practices thrift user's transformation cost.

Drawings

FIG. 1 is a schematic diagram of an external hanging type flue gas treatment system based on an automatic hanging in an embodiment of the invention.

FIG. 2 is a front view of an automated hanger based external hanging flue gas remediation system in an embodiment of the present invention.

FIG. 3 is a side view of an automated hanger based external hanging flue gas remediation system in an embodiment of the present invention.

Fig. 4 is a front view of an integrated dust and odor removal machine for an externally hung flue gas treatment system based on an automatic crane in an embodiment of the invention.

FIG. 5 is a side view of an integrated dust and odor removal machine for an externally hung flue gas treatment system based on an automatic crane in an embodiment of the invention.

Fig. 6 is a schematic structural diagram of an automatic hanging-based extraction type flue gas treatment system in an embodiment of the invention.

FIG. 7 is a front view of an automated hanger based extraction flue gas remediation system in an embodiment of the present invention.

FIG. 8 is a side view of an automated hanger based extraction flue gas remediation system in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Example 1

As shown in fig. 1-3, the externally hung flue gas treatment system based on the automatic hanging provided by the embodiment of the invention comprises a longitudinal translation device 1, a transverse translation device 2, a rotation device 3, a mechanical arm 4 and a synchronous lifting device 5; the longitudinal translation device 1 moves back and forth along a longitudinal track, the transverse translation device 2 moves back and forth along the track on the longitudinal translation device 1, one end of the turning device 3 is rotationally connected with the transverse translation device 2, and the other end of the turning device is connected with the mechanical arm 4 through the synchronous lifting device 5 and is respectively used for driving the mechanical arm 4 to turn or lift; the mechanical arm 4 is also connected with the turning device 3 through a central flue gas pipe 6; the central flue gas pipe 6 is a hollow pipe and is in sliding connection with the sleeve 301 at the center of the turning device 3, and the central flue gas pipe 6 can be designed to be a round pipe which rotates relative to the sleeve 301 or a square pipe which is only in sliding connection with the sleeve 301 along the vertical direction; the top end of the sleeve 301 is opened and is used for being connected with a flue gas treatment device; the two sides of the mechanical arm 4 are provided with the smoke capturing covers 7 for converging and guiding smoke, so that the smoke collecting and capturing area can be increased; when the automatic hanging is carried out the casting ladle and is moved, the flue gas that produces when pouring the operation, when cooling the foundry goods, the flue gas that produces when carrying out the operation of pre-opening the box, hang and move the sand box after carrying out whole hanging sand box, unpacking and opening the box, the flue gas that produces when the operation of shakeout, the flue gas that produces when sand mould flow coating, flow coating back ignition, when snatching the pit and scattering sand, when entering the shakeout machine through the hopper, the flue gas that the upset produced or when automatic hanging is moving to catch the flue gas of suspension in the workshop top, catch and assemble through flue gas catch cover 7 in the center flue gas pipe 6 for the center pipe lower extreme is just to the exhaust center for the flue gas is collected more energy-efficient.

Specifically, the top end of the sleeve 301 is connected with the dust and odor removing integrated machine 10 through a top cap 8 and a flue gas inlet pipe 9, the top cap 8 is in a hollow conical shape, and two ends of the top cap are respectively communicated with the sleeve 301 and the flue gas inlet pipe 9; under the suction of negative pressure, the flue gas sequentially passes through the central flue gas pipe 6, the sleeve 301, the top cap 8 and the flue gas inlet pipe 9 to enter the dust and odor removing integrated machine 10 for on-site treatment.

Specifically, as shown in fig. 4 and 5, the dust-removing and smell-removing integrated machine 10 includes a first dust-removing tank 1001, a second dust-removing tank 1002 and an activated carbon tank 1003; the first dust removal box 1001 is connected with an air inlet of a first fan 1005 through a first fan air inlet box 1004 on the side face; the second dust removing box 1002 is connected with an air inlet of a second fan 1007 through a second fan air inlet box 1006 at the side face; the air outlets of the first fan 1005 and the second fan 1007 are both communicated with the activated carbon tank 1003 through a tee 1008.

Further, a plurality of filtering devices 1009, such as a flat bag dust collector or an air filter, are transversely arranged in the first dust collection box 1001 and the second dust collection box 1002; the air outlets of the filter device 1009 are respectively communicated with the first fan air inlet box 1004 and the second fan air inlet box 1006; the first dust removal case 1001 with second dust removal case 1002 top is equipped with air intake 10010, activated carbon case 1003 top is equipped with exhaust pipe 10011, air intake 10010 with flue gas intake pipe 9 intercommunication, flue gas is through air intake 10010 reposition of redundant personnel back gets into respectively first dust removal case 1001 with second dust removal case 1002 removes dust, the process after the filter equipment 1009 filters the flue gas is respectively through first fan 1005 with the leading-in activated carbon case 1003 of second fan 1007 further removes dust and removes flavor, and clean air at last passes through exhaust pipe 10011 discharges, and particulate matter is less than 2mg/m in the air after the twice removes dust and removes flavor and is down to be arranged in the workshop in a straight line, and efficiency is higher, and flue gas treatment investment is little.

Specifically, the first fan 1005 and the second fan 1007 are respectively located at bottoms of the first fan air inlet box 1004 and the second fan air inlet box 1006; the activated carbon box 1003 is disposed in the first dust removing box 1001 and the second dust removing box 1002 or beside the first dust removing box 1001, and activated carbon is filled in the activated carbon box 1003 for adsorbing dust and VOCs, and meanwhile, the activated carbon has a silencing effect.

Specifically, the bottom of the first dust removing box 1001 and the bottom of the second dust removing box 1002 are both provided with an ash bin 10012, and the inside of the first dust removing box and the bottom of the second dust removing box are both provided with a blowing device 10013, and the blowing device 10013 blows air to the filtering device 1009, blows dust adsorbed on the filtering device 1009, and the dust falls into the ash bin 10012 to be collected, so that ash cleaning frequency is reduced, and service life of the filtering device 1009 is prolonged.

Example two

As shown in fig. 6-8, the extraction type flue gas treatment system based on automatic hanging provided by the embodiment of the invention comprises a longitudinal translation device 1, a transverse translation device 2, a rotation device 3, a mechanical arm 4 and a synchronous lifting device 5; the longitudinal translation device 1 moves back and forth along a longitudinal track, the transverse translation device 2 moves back and forth along the track on the longitudinal translation device 1, one end of the turning device 3 is rotationally connected with the transverse translation device 2, and the other end of the turning device is connected with the mechanical arm 4 through the synchronous lifting device 5 and is respectively used for driving the mechanical arm 4 to turn or lift; the mechanical arm 4 is also connected with the turning device 3 through a central flue gas pipe 6; the central flue gas pipe 6 is a hollow pipe and is in sliding connection with the sleeve 301 at the center of the turning device 3, and the central flue gas pipe 6 can be designed to be a round pipe which rotates relative to the sleeve 301 or a square pipe which is only in sliding connection with the sleeve 301 along the vertical direction; the top end of the sleeve 301 is opened and is used for being connected with a flue gas treatment device; the two sides of the mechanical arm 4 are provided with the smoke capturing covers 7 for converging and guiding smoke, so that the smoke collecting and capturing area can be increased; when the automatic hanging is carried out the casting ladle and is moved, the flue gas that produces when pouring the operation, when cooling the foundry goods, the flue gas that produces when carrying out the operation of pre-opening the box, hang and move the sand box after carrying out whole hanging sand box, unpacking and opening the box, the flue gas that produces when the operation of shakeout, the flue gas that produces when sand mould flow coating, flow coating back ignition, when snatching the pit and scattering sand, when entering the shakeout machine through the hopper, the flue gas that the upset produced or when automatic hanging is moving to catch the flue gas of suspension in the workshop top, catch and assemble through flue gas catch cover 7 in the center flue gas pipe 6 for the center pipe lower extreme is just to the exhaust center for the flue gas is collected more energy-efficient.

The top end of the sleeve 301 is connected with a first negative pressure air suction pipe 11 through a top cap 8 and a smoke inlet pipe 9; one end of the first negative pressure air suction pipe 11 is connected with the second negative pressure air suction pipe 13 through a negative pressure connecting pipe 12, and the second negative pressure air suction pipe 13 is used for connecting external dust removing equipment to treat flue gas; the top cap 8 is hollow conical, and two ends of the top cap are respectively communicated with the sleeve 301 and the flue gas inlet pipe 9; under negative pressure suction, the flue gas sequentially passes through the central flue gas pipe 6, the sleeve 301, the top cap 8, the first negative pressure air suction pipe 11, the negative pressure connecting pipe 12 and the second negative pressure air suction pipe 13 to enter external dust removing equipment for treatment.

Specifically, the first negative pressure air suction pipe 11 is disposed along the length direction of the longitudinal translation device 1, and mainly comprises a first pipe 1101 and a first flexible pad 1102, an upper end of the first pipe 1101 is opened, and a bottom opening of the flue gas inlet pipe 9 is communicated with the first pipe 1101; the first flexible pad 1102 surrounds the flue gas inlet pipe 9, and is adsorbed to the upper end opening of the first pipe 1101 due to the negative pressure continuously existing in the air suction pipe; the second negative pressure air suction pipe 13 is arranged along the vertical direction of the first negative pressure air suction pipe 11, and mainly comprises a second pipe body 1301 and a second flexible pad 1302, the upper end of the second pipe body 1301 is opened, one end of the negative pressure connecting pipe 12 is communicated with the first negative pressure air suction pipe 11, and the bottom opening of the other end is communicated with the second pipe body 1301; the second flexible pad 1302 surrounds the negative pressure connection pipe 12 and is attached to the upper end opening of the second pipe body 1301 by negative pressure.

Further, first press rollers are arranged on the first flexible pad 1102 at two sides of the smoke inlet pipe 9 and synchronously move along with the smoke inlet pipe 9, and in the moving process of the smoke inlet pipe 9, the smoke inlet pipe 9 continuously lifts the first flexible pad 1102, but the first press rollers continuously press the first flexible pad 1102 from two sides to prevent smoke leakage; the second compression rollers are arranged on the second flexible pad 1302 at two sides of the negative pressure connecting pipe 12 and synchronously move along with the negative pressure connecting pipe 12, and in the moving process of the negative pressure connecting pipe 12, the negative pressure connecting pipe 12 continuously lifts the second flexible pad 1302, but the second compression rollers continuously press the second flexible pad 1302 from two sides to prevent smoke leakage, so that the smoke inlet pipe 9 and the negative pressure connecting pipe 12 are always respectively connected with the first negative pressure air suction pipe 11 and the second negative pressure air suction pipe 13, and no smoke leakage is caused.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.

Claims

1. The flue gas treatment system based on the automatic crane comprises a longitudinal translation device (1), a transverse translation device (2), a rotation device (3), a mechanical arm (4) and a synchronous lifting device (5); the mechanical arm (4) is connected with the turning device (3) through a central smoke pipe (6);

the longitudinal translation device (1) moves back and forth along a longitudinal track, the transverse translation device (2) moves back and forth along the track on the longitudinal translation device (1), one end of the turning device (3) is rotationally connected with the transverse translation device (2), and the other end of the turning device is connected with the mechanical arm (4) through the synchronous lifting device (5) and is respectively used for driving the mechanical arm (4) to turn or lift; the mechanical arm (4) is connected with the rotating device (3) through the central flue gas pipe (6);

the central flue gas pipe (6) is a hollow pipe and is in sliding connection with a sleeve (301) at the center of the rotary device (3);

the top end of the sleeve (301) is provided with an opening and is used for being connected with smoke treatment equipment;

two sides of the mechanical arm (4) are provided with smoke capturing covers (7) for converging and guiding smoke;

the top end of the sleeve (301) is connected with a first negative pressure air suction pipe (11) through a top cap (8) and a flue gas inlet pipe (9); one end of the first negative pressure air suction pipe (11) is connected with the second negative pressure air suction pipe (13) through a negative pressure connecting pipe (12), and the second negative pressure air suction pipe (13) is used for connecting external dust removing equipment to treat flue gas; the top cap (8) is hollow conical, and two ends of the top cap are respectively communicated with the sleeve (301) and the flue gas inlet pipe (9);

the first negative pressure air suction pipe (11) is arranged along the length direction of the longitudinal translation device (1) and mainly comprises a first pipe body (1101) and a first flexible pad (1102), the upper end of the first pipe body (1101) is opened, and the bottom opening of the flue gas inlet pipe (9) is communicated with the first pipe body (1101); the first flexible pad (1102) surrounds the flue gas inlet pipe (9) and is adsorbed to the upper end opening of the first pipe body (1101) through negative pressure;

the second negative pressure air suction pipe (13) is arranged along the vertical direction of the first negative pressure air suction pipe (11) and mainly comprises a second pipe body (1301) and a second flexible pad (1302), the upper end of the second pipe body (1301) is opened, one end of the negative pressure connecting pipe (12) is communicated with the first negative pressure air suction pipe (11), and the bottom opening of the other end of the negative pressure connecting pipe is communicated with the second pipe body (1301); the second flexible pad (1302) surrounds the negative pressure connecting pipe (12) and is adsorbed to the upper end opening of the second pipe body (1301) through negative pressure;

first compression rollers are arranged on the first flexible pad (1102) at two sides of the smoke inlet pipe (9) and synchronously move along with the smoke inlet pipe (9) to press the first flexible pad (1102) to prevent smoke leakage in the moving process of the smoke inlet pipe (9);

second compression rollers are arranged on the second flexible pad (1302) at two sides of the negative pressure connecting pipe (12) and synchronously move along with the negative pressure connecting pipe (12), and are used for pressing the second flexible pad (1302) to prevent smoke leakage in the moving process of the negative pressure connecting pipe (12).