CN219944039U - Pouring and sand box cooling flue gas integrated trapping device - Google Patents
Pouring and sand box cooling flue gas integrated trapping device Download PDFInfo
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- CN219944039U CN219944039U CN202223215664.9U CN202223215664U CN219944039U CN 219944039 U CN219944039 U CN 219944039U CN 202223215664 U CN202223215664 U CN 202223215664U CN 219944039 U CN219944039 U CN 219944039U
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- pipe
- flue gas
- fan
- cover body
- casting
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- 238000001816 cooling Methods 0.000 title claims abstract description 56
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 239000003546 flue gas Substances 0.000 title claims abstract description 42
- 244000035744 Hura crepitans Species 0.000 title claims abstract description 37
- 239000000779 smoke Substances 0.000 claims abstract description 39
- 238000005266 casting Methods 0.000 claims abstract description 36
- 239000000428 dust Substances 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000000746 purification Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a pouring and sand box cooling flue gas integrated trapping device, which consists of a pouring flue gas trapping part and a cooling flue gas trapping part, wherein the pouring flue gas trapping part comprises a first bracket, a first cover body and a first trapping assembly, the first trapping assembly comprises a first fan, an inlet and an outlet of the first fan are respectively connected with an L-shaped bent pipe, and a return air inlet and a supply air outlet are respectively arranged on transverse pipe sections of the two L-shaped bent pipes; the second collecting device comprises a second bracket, a second cover body and a second collecting component, wherein the second collecting component comprises a smoke exhaust pipe arranged at the highest position of the second cover body, the bottom of the smoke exhaust pipe is provided with a smoke suction port, and the top of the smoke exhaust pipe is provided with a circulating pipe and an exhaust pipe; the circulating pipe is communicated with air supply pipes arranged on two sides of the top of the second cover body, and roof attached jet orifices are arranged on the air supply pipes; the exhaust pipe is connected with the exhaust main pipe through the sliding sealing pipe mechanism, and the exhaust main pipe is connected with the dust removing and purifying device. The utility model can realize the casting and cooling flue gas trapping rate of more than 90 percent and reduce the energy saving by 80 percent.
Description
Technical Field
The utility model relates to the technical field of flue gas trapping, in particular to a pouring and sand box cooling flue gas integrated trapping device.
Background
Floor casting is one of the important process technologies of the foundry industry. A large amount of smoke dust is generated during casting, and the smoke dust is continuously discharged outwards from the high-temperature casting and the sand box after casting. The smoke dust in the pouring and casting cooling processes needs to be trapped and purified to be discharged after reaching the standard. The ground pouring process is mainly characterized in that: the floor area is large, pouring operation points are not fixed, smoke dust is continuously released in the cooling process of the sand box, and the sand box and the ladle adopt a travelling crane conveying mode. Based on the characteristics of the ground pouring process, the following problems exist in casting pouring and the trapping of cooling smoke: 1) The space for arranging the trapping facilities is limited due to the driving transportation mode, and the space requirement of the driving transportation sand box is considered when the trapping cover is arranged; 2) The contradiction between the short-time release of the casting flue gas and the long-time cooling of the sand box, wherein the casting and the cooling of the sand box are respectively provided with an exhaust hood and purifying equipment, so that the problems of high ventilation quantity, high initial investment and high operation cost exist, and meanwhile, the arrangement space of the purifying equipment is limited or even cannot be arranged; 3) The large ventilation quantity of the flue gas causes large occupied area of equipment, high initial investment and operation cost and high energy consumption of system operation. The above difficulties limit the implementation of relevant environmental protection measures in floor casting, which have created a barrier to environmental protection, green development and high quality development for enterprises.
Disclosure of Invention
In order to solve the problems, the utility model provides a pouring and sand box cooling flue gas integrated trapping device, which specifically adopts the following technical scheme:
the utility model relates to a pouring and sand box cooling flue gas integrated trapping device which is suitable for the working condition that a pouring area is arranged at the end part of a sand box cooling area and comprises
A casting fume trapping part comprising
A first support arranged across the pouring zone;
the first cover body is connected with the first bracket in a sliding way and moves transversely along the first bracket;
the first trapping assembly is arranged on the first cover body and comprises an axial-flow type first fan, an inlet and an outlet of the first fan are respectively connected with an L-shaped bent pipe, the L-shaped bent pipes are positioned on the same side of the first fan, an air return opening is formed in the L-shaped bent pipe which is close to the cooling area of the sand box, an air supply opening is formed in the L-shaped bent pipe which is far away from the cooling area of the sand box, and the air return opening and the air supply opening are arranged on a transverse pipe section of the L-shaped bent pipe at a single row interval;
a cooling flue gas trapping part comprising
The second bracket is arranged above the sand box cooling area;
the second cover body is connected with the second bracket in a sliding way and moves longitudinally along the second bracket, and the top of the second cover body is of a herringbone structure;
the second trapping assembly is arranged on the second cover body and comprises a smoke exhaust pipe longitudinally arranged at the highest position of the second cover body, the bottom of the smoke exhaust pipe is provided with a smoke suction port, and the top of the smoke exhaust pipe is provided with a circulating pipe and an exhaust pipe; the circulating pipe is communicated with air supply pipes arranged on two sides of the top of the second cover body, and roof attached jet orifices are formed in the air supply pipes; the exhaust pipe is connected with the exhaust main pipe through the sliding sealing pipe mechanism, and the exhaust main pipe is connected with the dust removal purification device.
For convenient movement, the ground is provided with a guide rail which is connected with the first bracket in a sliding way and is used for enabling the first bracket to be longitudinally transferred between the sand box cooling areas at two ends of the pouring area.
The first fan is an axial flow fan or a mixed flow fan connected with a forward and reverse rotation circuit and is used for enabling the air return opening and the air supply opening to be mutually exchanged.
The air return opening and the air supply opening on the L-shaped bent pipe are both arranged close to the first fan side and obliquely downwards, so that partial air backflow and partial air entering the second cover body of the sand box cooling area can be realized.
The cross section of the smoke exhaust pipe is of an inverted triangle structure, the air suction openings are arranged on two sides of the bottom of the smoke exhaust pipe, and at least two circulating pipes extend to two sides of the smoke exhaust pipe respectively.
And the circulating pipe is provided with an axial flow type second fan.
The roof attached jet port on the blast pipe is a linear port arranged longitudinally, and the roof attached jet port is provided with an angle-adjusting guide plate.
The inside of the top of the second cover body is a smooth steel plate, and a framework or purline is arranged on the outside of the smooth steel plate, so that conditions are created for forming attached jet flow on the top plate.
The two ends of the second cover body are provided with lifting type vertical curtains, and the vertical curtains can be lifted according to actual conditions to keep the sealing of the second cover body.
The second fan on the circulating pipe and the fan of the dust removal purification device are controlled in a linkage mode, and the first fan on the first cover body is controlled independently.
The pouring and sand box cooling flue gas integrated trapping device provided by the utility model combines pouring flue gas trapping and cooling flue gas trapping into a whole, has a simple structure and is easy to control, and compared with the prior art, the device has the following advantages: 1) The casting smoke purifying device is reduced, and meanwhile, the axial flow fan is used, so that the air quantity of the main ventilator is reduced, and the pipeline arrangement is convenient; 2) The ventilation quantity of the system is reduced, and the exhaust quantity of the hood body is reduced by arranging an axial flow fan or a mixed flow fan (namely a second fan) in the cooling flue gas capturing hood (namely a second hood body) to return the flue gas captured in the hood into the hood to form a roof attached jet flow to participate in capturing the flue gas again; 3) The casting smoke is captured by an air supply jet flow mode and then is sent into a cooling smoke capture cover, so that the ventilation quantity of a casting smoke capture system is reduced; 4) The casting flue gas trapping cover (namely the first cover body) can reach the other end from one end through the cooling flue gas trapping cover, so that the occupied area of the cover body is reduced, and meanwhile, the axial flow or mixed flow fan (namely the first fan) of the casting flue gas trapping cover realizes the change of the air supply direction through reverse operation, so that the application range of the casting flue gas trapping cover is enlarged, and the requirement of full coverage of a casting area is met. Experiments prove that the utility model realizes that the casting and cooling flue gas trapping rate is more than 90%, can reduce the ventilation rate by about 70%, reduce the total pollutant emission amount by about 70%, reduce the energy saving amount by 80%, reduce the running cost by 50%, reduce the running energy consumption by 70%, effectively improve the occupational health condition in workshops, and has good green low-carbon characteristics and better social benefit, environmental protection benefit and economic benefit.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a section A-A of fig. 1.
Fig. 3 is a sectional view of B-B in fig. 1.
Fig. 4 is a C-C section view of fig. 1.
Fig. 5 is a flow state diagram of the fume trap in the hood of fig. 1.
Detailed Description
The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific construction processes of the present utility model are given by implementing the embodiments on the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.
The casting and sand box cooling flue gas integrated trapping device is suitable for the working condition that a casting area is arranged at the end part of a sand box cooling area, and comprises a casting flue gas trapping part and a cooling flue gas trapping part.
1-5, the casting fume trapping part comprises a first bracket 11 which is arranged across the casting area, and a first cover body 12 is connected to the first bracket 11 in a sliding manner and can move transversely along the first bracket 11; install first entrapment subassembly on the first cover body 12, including axial-flow type first fan 13 (can adopt axial-flow fan or mixed flow fan), the import and export of first fan 13 are connected with an L shape return bend respectively, and two L shape return bends all are at the homonymy of first fan 13, and have seted up return air inlet 14 on the L shape return bend that is close to the sand box cooling zone, have seted up supply-air outlet 15 on the L shape return bend that keeps away from the sand box cooling zone, above-mentioned return air inlet 14 and supply-air outlet 15 all are single row interval setting on the horizontal section of L shape return bend. When the casting operation is carried out, a large amount of generated high-temperature smoke and dust transpires upwards and is captured by the first capturing component under the action of the first fan 13, wherein a part of air flow sent out from the air supply port 15 is sucked by the air return port 14 and returns to the first capturing component again, and a part of air flow enters the sand box cooling area under the action of the air supply air flow and is captured by the cooling smoke capturing part. In general, the return air opening 14 and the air supply opening 15 on the L-shaped bent pipe are both disposed near the side of the first air blower and obliquely downward, so that a part of air can be returned and a part of air can enter the cooling area of the sand box. When the sand box cooling areas are arranged at the two ends of the pouring area, the guide rail which is connected with the first bracket 11 in a sliding way is arranged on the ground, so that the first bracket 11 can be conveniently transferred between the two sand box cooling areas along the longitudinal direction. At this time, the first fan 13 is a positive and negative fan, which facilitates the exchange of the return air inlet 14 and the air supply outlet 15.
The cooling flue gas trapping part comprises a second bracket 21 arranged above the sand box cooling area, and a second cover 22 is connected to the second bracket 21 in a sliding manner and can longitudinally move along the second bracket 21 to trap the sand box cooling flue gas in the covered area. The top of the second cover 22 is of a herringbone structure, the inner side of the second cover is a smooth steel plate, and a framework or purline is arranged on the outer side of the second cover, so that conditions are created for forming attached jet flow on the top plate. The two ends of the second cover 22 are also respectively provided with a lifting curtain, which can be lifted according to actual conditions to keep the sealing of the second cover 22. The second trapping assembly is installed at the top of the second cover 22, and comprises a smoke exhaust pipe 23 longitudinally arranged at the highest position of the second cover 22, wherein the cross section of the smoke exhaust pipe 23 is generally triangular, the two sides of the bottom of the smoke exhaust pipe are provided with air suction ports, and the top of the smoke exhaust pipe is provided with a circulating pipe 24 and an exhaust pipe 25. At least two circulating pipes 24 extend to two sides of the smoke exhaust pipe 23 respectively; when more than two circulating pipes 24 are provided, the circulating pipes are staggered on both sides of the smoke exhaust pipe 23, so that the air flow is uniformly distributed as much as possible. An axial flow type second fan 26 (an axial flow fan or a mixed flow fan may be adopted) is installed in each circulation pipe 24, and the other ends of the axial flow type second fans are respectively communicated with air supply pipes 27 arranged at two sides of the top of the second cover 22. The air supply pipes 27 are respectively provided with roof attached jet ports, each roof attached jet port is a linear port arranged longitudinally, and an angle-adjusting guide plate is arranged at the opening of each roof attached jet port, so that the ejected air flow attaches to the roof to form attached jet flow with entrainment effect for capturing high-temperature flue gas emitted in the cooling process of the sand box and casting smoke dust entering the second cover body 22. The exhaust pipe 25 is located at the end of the smoke exhaust pipe 23, and is connected with the exhaust main pipe 28 through a sliding seal pipe mechanism (the sliding seal pipe mechanism can adopt the structure described in ZLCN 202221491426.8), and the exhaust main pipe 28 is connected with a dust removal and purification device, so that dust entering the smoke exhaust pipe 23 through the air suction inlet can be removed and purified, and finally the smoke can reach the emission standard.
In general, the second fan 26 on the circulation pipe 24 and the fan of the dust removal and purification device are controlled in a linkage manner, and the first fan 13 on the first cover 12 is controlled independently, so that the purposes of convenient operation, simplicity, easiness in control and improvement of trapping effect are achieved.
It should be noted that, in the description of the present utility model, terms such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Claims (10)
1. The utility model provides a pouring and sand box cooling flue gas integration entrapment device, is applicable to the operating mode that the pouring district set up at sand box cooling zone tip, its characterized in that: comprising
A casting fume trapping part comprising
A first support arranged across the pouring zone;
the first cover body is connected with the first bracket in a sliding way and moves transversely along the first bracket;
the first trapping assembly is arranged on the first cover body and comprises an axial-flow type first fan, an inlet and an outlet of the first fan are respectively connected with an L-shaped bent pipe, the L-shaped bent pipes are positioned on the same side of the first fan, an air return opening is formed in the L-shaped bent pipe which is close to the cooling area of the sand box, an air supply opening is formed in the L-shaped bent pipe which is far away from the cooling area of the sand box, and the air return opening and the air supply opening are arranged on a transverse pipe section of the L-shaped bent pipe at a single row interval;
a cooling flue gas trapping part comprising
The second bracket is arranged above the sand box cooling area;
the second cover body is connected with the second bracket in a sliding way and moves longitudinally along the second bracket, and the top of the second cover body is of a herringbone structure;
the second trapping assembly is arranged on the second cover body and comprises a smoke exhaust pipe longitudinally arranged at the highest position of the second cover body, the bottom of the smoke exhaust pipe is provided with a smoke suction port, and the top of the smoke exhaust pipe is provided with a circulating pipe and an exhaust pipe; the circulating pipe is communicated with air supply pipes arranged on two sides of the top of the second cover body, and roof attached jet orifices are formed in the air supply pipes; the exhaust pipe is connected with the exhaust main pipe through the sliding sealing pipe mechanism, and the exhaust main pipe is connected with the dust removal purification device.
2. The casting and flask cooling flue gas integrated capturing device according to claim 1, wherein: the ground is provided with a guide rail which is connected with the first bracket in a sliding way and is used for enabling the first bracket to be longitudinally transferred between sand box cooling areas at two ends of the pouring area.
3. The casting and flask cooling flue gas integrated capturing device according to claim 2, wherein: the first fan is an axial flow fan or a mixed flow fan connected with a forward and reverse rotation circuit.
4. The casting and flask cooling flue gas integrated capturing device according to claim 3, wherein: the air return opening and the air supply opening on the L-shaped bent pipe are both arranged close to the first fan side and obliquely downwards.
5. The casting and flask cooling flue gas integrated trapping device according to claim 4, wherein: the cross section of the smoke exhaust pipe is of an inverted triangle structure, the air suction openings are arranged on two sides of the bottom of the smoke exhaust pipe, and at least two circulating pipes extend to two sides of the smoke exhaust pipe respectively.
6. The casting and flask cooling flue gas integrated trapping device according to claim 5, wherein: and the circulating pipe is provided with an axial flow type second fan.
7. The casting and flask cooling flue gas integrated capturing device according to claim 6, wherein: the roof attached jet port on the blast pipe is a linear port arranged longitudinally, and the roof attached jet port is provided with an angle-adjusting guide plate.
8. The casting and flask cooling flue gas integrated capturing device according to claim 7, wherein: the inside of top of the second cover body is smooth steel plate, skeleton or purlin are provided with in the smooth steel plate outside.
9. The casting and sand box cooling flue gas integrated trapping device according to claim 8, wherein: the two ends of the second cover body are provided with lifting type vertical curtains.
10. The casting and flask cooling flue gas integrated capturing device according to claim 9, wherein: the second fan on the circulating pipe and the fan of the dust removal purification device are controlled in a linkage mode, and the first fan on the first cover body is controlled independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223215664.9U CN219944039U (en) | 2022-12-02 | 2022-12-02 | Pouring and sand box cooling flue gas integrated trapping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223215664.9U CN219944039U (en) | 2022-12-02 | 2022-12-02 | Pouring and sand box cooling flue gas integrated trapping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219944039U true CN219944039U (en) | 2023-11-03 |
Family
ID=88538915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223215664.9U Active CN219944039U (en) | 2022-12-02 | 2022-12-02 | Pouring and sand box cooling flue gas integrated trapping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219944039U (en) |
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2022
- 2022-12-02 CN CN202223215664.9U patent/CN219944039U/en active Active
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