CN219211012U - Flue gas trapping cover - Google Patents
Flue gas trapping cover Download PDFInfo
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- CN219211012U CN219211012U CN202223089053.4U CN202223089053U CN219211012U CN 219211012 U CN219211012 U CN 219211012U CN 202223089053 U CN202223089053 U CN 202223089053U CN 219211012 U CN219211012 U CN 219211012U
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- suction
- trapping
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Abstract
The utility model discloses a smoke trapping cover which comprises a cover body, two side suction flues and a top suction flue, wherein the cover body is erected above a die casting machine, the two side suction flues are respectively arranged at the bottoms of the two sides of the cover body in the length direction, the top suction flue is arranged in the middle area of the top of the cover body, a plurality of trapping ports communicated with the inside of the side suction flues and the top suction flue are arranged at the bottoms of the side suction flues and the top suction flue, and the smoke outlets of the side suction flues and the top suction flue are communicated with the outside through pipelines. The smoke trapping cover provided by the utility model is provided with the side suction flue, the side suction flue is arranged along the edge direction of the safety door, and a negative pressure area is formed in the area near the safety door, so that the smoke leakage phenomenon caused by the transverse jet impact generated in the spraying link is relieved, and the induction and trapping of spray jet at two sides of the spraying link are completed; the top flue is arranged at the top of the cover body by utilizing the heat rising power generated by the temperature gradient of the flue gas, so that the flue gas can be collected with low energy consumption.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment, in particular to a flue gas capturing cover.
Background
In the 21 st century, with the rapid development of national economy, the die casting industry developed more rapidly in the pull of downstream automobile, communication equipment manufacturing, railway locomotives and general equipment manufacturing industries, but the following environmental problems have also been increasingly prominent. The die casting machine can generate a large amount of smoke in the processes of die opening, spraying and punch injection, and the smoke generally contains particles smaller than 10 mu m such as oil smoke, water mist, aerosol and the like, and the pollutants not only can cause air quality deterioration and harm to the physical and mental health of staff, but also increase mechanical abrasion, reduce the service life of production equipment and cause difficult cleaning and maintenance. These problems limit the further development of the die casting industry.
Aiming at the problems, the traditional measures adopted by some casting factories in China are to add a simple housing above a die casting machine, and then exhaust the flue gas through a draught fan. The die casting machine can generate a large amount of smoke in the die opening and closing areas and the punch areas, particularly when the release agent is sprayed, the airflow velocity in the die areas is extremely high due to high-speed jet spraying, the dynamic pressure is extremely high, so that the smoke is rapidly diffused around, the traditional suction mode can cause serious smoke overflow due to long suction distance and insufficient power, and the smoke near a safety door is difficult to collect, so that the traditional method has poor collecting effect and still causes air pollution; in addition, part of the flue gas is scattered in the housing after flowing into the housing, and a plurality of irregular small-sized gas circulation (vortex) are formed to mutually disturb, so that the rapid suction of the flue gas is not facilitated, and the energy consumption in the suction process is high.
In addition, in the die casting production process, the maintenance and the hoisting operation of the die are frequently carried out, and after the smoke trapping cover is added at the top, the maintenance and the hoisting operation are hindered, so that the production efficiency is seriously influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model discloses a smoke trapping cover.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the utility model discloses a smoke trapping cover which comprises a cover body, two side suction flues and a top suction flue, wherein the cover body is erected above a die casting machine, the two side suction flues are respectively arranged at the bottoms of the two sides of the cover body in the length direction, the top suction flue is arranged in the middle area of the top of the cover body, a plurality of trapping ports communicated with the inside of the side suction flues and the top suction flue are arranged at the bottoms of the side suction flues and the top suction flue, and the smoke outlets of the side suction flues and the top suction flue are communicated with an external oil mist purifier through pipelines.
Preferably, the cover body comprises a movable cover body positioned in the middle, and a first fixed cover body and a second fixed cover body used for closing two ends of the movable cover body, wherein the first fixed cover body and the second fixed cover body are of plate-shaped structures, and the movable cover body covers/is far away from the upper part of a die closing area of the die casting machine under the action of a driving mechanism;
the die casting machine top is set firmly through the support and is used for supporting remove the first track and the second track of cover body rectilinear movement, first orbital length is greater than the length of second, and break off between the two and set up the first space that forms and be used for the die casting machine's mould level to shift out in setting for the altitude department, first track and second track are located respectively the fixed cover body of first and second place side, when removing the cover body and keeping away from under actuating mechanism's effect the top of die casting machine compound die district, remove the cover body and move back to the fixed cover body of first place side.
Further, the first fixed cover body and the second fixed cover body are of a short cover or thin plate structure, and the length/thickness ratio of the second fixed cover body to the length ratio of the movable cover body is 1:5 to 1:15, a second space formed from the inner side of the second fixed cover body to the other end of the second rail is used for hoisting components of the die casting machine.
Preferably, the top smoke suction channel is arranged along the length direction of the cover body and is parallel to the side smoke suction channel in space.
Preferably, the smoke outlets of the side-suction flue and the top-suction flue are arranged at the tail end parts of the respective flues, the smoke outlets of the side-suction flue and the top-suction flue are respectively connected with a smoke outlet pipeline, and the joint of each smoke outlet pipeline and the air inlet pipeline of the purifier is sealed dynamically and dynamically in a 45-degree oblique connection mode.
Preferably, the side suction flue and the top suction flue are integrally in a square-shaped structure; and/or the cover body comprises a frame and a metal plate veneer attached to the inner side and the outer side of the frame.
Further preferably, the side draft flue and the top draft flue are respectively detachably connected with the cover body.
Further preferably, the first rail comprises a first base and a guide pulley fixed above the first base, a guide chute matched with the guide pulley is arranged below the side part of the movable cover body, a movable roller is fixed at one end part of the movable cover body, which is close to the second rail, the second rail comprises a second base, and when the movable cover body moves, the movable roller moves on the upper surfaces of the first base and the second base.
Further, a first transition inclined surface which is inclined downwards is arranged at one end part of the first base, which is close to the second base, and a second transition inclined surface which is inclined downwards is arranged at one end part of the second base, which is close to the first base.
Further preferably, the driving mechanism comprises a motor, a gear connected with the motor and a rack matched with the gear, and the rack is connected with the movable cover body.
Compared with the prior art, the utility model has at least the following advantages:
the flue gas trapping cover provided by the utility model is provided with the side suction flue, the side suction flue is arranged along the edge direction of the safety door, and a negative pressure area is formed in the area near the safety door, so that the transverse jet impact generated in the spraying link is relieved, and the induction and trapping of spray jet at two sides of the spraying link are completed;
the top flue is arranged at the top of the cover body by utilizing the heat rising power generated by the temperature gradient of the flue gas, so that the flue gas can be collected with low energy consumption;
the three-section trapping mode of side suction and top suction on two sides forms directional air flow control on a control area, the adverse vortex in the cover body is reduced, the air flow structure is optimized, and the trapping efficiency is improved to more than 95%.
The first rail and the second rail are arranged at intervals, and a first space for allowing the die of the die casting machine to horizontally move out at a set height is formed between the first rail and the second rail, so that the defect that the die can be lifted out only when the die is lifted to a height higher than the cover body is avoided, the problem that the die cannot be lifted due to limited factory building height or the problem that the operation difficulty is high and the safety coefficient is low due to overhigh lifting height is avoided;
the second fixed cover body is arranged to be a short cover or a thin plate frame structure, so that a certain gap is formed between the second fixed cover body and the second rail, and therefore, the parts of the die casting machine can be conveniently overhauled or hoisted, and the trouble that the cover body is required to be disassembled and removed in the prior art to operate is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic view of a flue gas capturing hood according to an embodiment of the present utility model mounted on a die casting machine (with the hood open);
FIG. 2 is a schematic view of a smoke trapping hood according to an embodiment of the present utility model (with the hood open);
FIG. 3 is a schematic view of a smoke trapping hood according to an embodiment of the present utility model (with the hood closed);
FIG. 4 is a schematic view of a cover according to an embodiment of the present utility model;
FIG. 5 is a side view of a cover as disclosed in an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a flue gas capture according to an embodiment of the present disclosure;
FIG. 7 is a top view of a first track and drive mechanism disclosed in an embodiment of the present utility model;
FIG. 8 is a side view of a first track and drive mechanism disclosed in an embodiment of the present utility model;
fig. 9 is a schematic diagram of a bottom frame and a moving roller of a moving cover according to an embodiment of the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to examples and drawings to enable those skilled in the art to practice the same and to refer to the description.
Referring to fig. 1 to 9, an embodiment of the utility model discloses a smoke trapping cover, which comprises a cover body 1 arranged above a die casting machine A, two side smoke suction channels 2 respectively arranged at the bottoms of two sides of the length direction of the cover body 1, and a top smoke suction channel 3 arranged in the middle area of the top in the cover body 1, wherein a plurality of trapping ports communicated with the inside of the side smoke suction channels 2 and the bottom of the top smoke suction channel 3 are arranged at the bottoms of the side smoke suction channels 2 and the top smoke suction channel 3, the smoke outlets of the side smoke suction channels 2 and the top smoke suction channel 3 are communicated with an external oil mist purifier through pipelines, and the top smoke suction channel 3 is arranged along the length direction of the cover body 1 and is parallel to the side smoke suction channels 2 in space.
The smoke trapping cover provided by the embodiment of the utility model is provided with the side smoke absorbing channels 2, the side smoke absorbing channels 2 are arranged along the edge direction of the safety gate, and a negative pressure area is formed in the area near the safety gate, so that the transverse jet impact generated in the spraying link is relieved, and the induction and trapping of spray jet at two sides of the spraying link are completed; the top flue is arranged at the top of the cover body 1 by utilizing the heat rising power generated by the temperature gradient of the flue gas, so that the flue gas can be collected with low energy consumption; the three-section trapping mode of side suction and top suction on two sides forms directional air flow control on a control area, the adverse vortex in the cover body 1 is reduced, the air flow structure is optimized, and the trapping efficiency is improved to more than 95%.
The side-draft flue 2 and the top-draft flue 3 are integrally of square-tube structure, and the side-draft flue 2 and the top-draft flue 3 are detachably connected with the cover body 1 respectively, so that the flue is convenient to maintain and clean. The cover body 1 comprises a frame and a metal plate veneer attached to the inner side and the outer side of the frame.
The smoke outlets of the side smoke channel 2 and the top smoke channel 3 are arranged at the tail end parts of the respective flues, the smoke outlet of the side smoke channel 2 is connected with a smoke outlet pipeline 21, the smoke outlet of the top smoke channel 3 is connected with a smoke outlet pipeline 31, and the joint of each smoke outlet pipeline and the air inlet pipeline of the purifier is sealed dynamically and dynamically in a 45-degree oblique connection mode. Through setting up 45 inclined planes at the terminal surface of play cigarette pipeline and admission line to guarantee that both can the inseparable contact, avoid the flue gas to reveal, only innovate on the structure, solved the problem of pipeline hookup promptly, among the prior art, need promote admission line and play cigarette pipeline through the cylinder and compress tightly, not only the structure is complicated, and the cost of whole hookup mode is higher.
The cover body 1 comprises a movable cover body 11 positioned in the middle, a first fixed cover body 12 and a second fixed cover body 13 used for closing two ends of the movable cover body 1, wherein the first fixed cover body 12 and the second fixed cover body 13 are of plate-shaped structures and are used for sealing the end face of the movable cover body 1, the movable cover body 11 covers/is far away from the upper part of a die-casting machine die-closing area under the action of a driving mechanism 4, the driving mechanism 4 comprises a motor 41, a gear 42 connected with the motor 41 and a rack 43 matched with the gear 42, and the rack 43 is connected with the movable cover body 1. Specifically, the side smoke-absorbing channels 2 are disposed at the bottoms of both sides of the movable cover 11 in the longitudinal direction, and the top smoke-absorbing channels 3 are disposed at the inner top of the movable cover 11 and distributed along the longitudinal direction of the movable cover 11.
The die casting machine top is set firmly through the support and is used for supporting the first track 5 and the second track 6 of removing the cover 11 rectilinear movement, the length of first track 5 is greater than the length of second track 6, and break off the first space that sets up between the two and be used for the die casting machine's mould level to shift out in setting for the altitude department, first track 5 and second track 6 are located the fixed cover 12 of first and second respectively and cover 13 place the side, when removing cover 11 and keeping away from the top of die casting machine compound die area under actuating mechanism 4's effect, remove cover 11 and move to the fixed cover 12 place side of first.
The first fixed cover 12 and the second fixed cover 13 are of a short cover or sheet frame structure, and the length/thickness ratio of the second fixed cover 13 to the length of the movable cover 11 is 1:5 to 1:15 (preferably 1:10), the second space formed by moving the inner side of the cover 11 to the other end of the second rail 6 is used for hoisting a part of the die casting machine (may be an injection part, etc.). The second fixed cover 13 is of a short cover or sheet structure, so that a certain gap is formed between the second fixed cover and the second rail 6, and therefore, the maintenance or hoisting of parts of the die casting machine can be facilitated, and the trouble that the cover is required to be detached and removed in the prior art to operate is avoided.
The first rail 5 includes a first base 51 and a guide pulley 52 fixed above the first base 51, a guide chute 53 matching the guide pulley 52 is provided below the side of the moving cover 11, a moving roller 7 is fixed at one end of the bottom frame 1a of the moving cover 1 near the second rail 6, the second rail 6 includes a second base 61, and the moving roller 7 moves on the upper surfaces of the first base 51 and the second base 61 when the moving cover 1 moves.
The first base 51 is provided with a first transition slope 511 inclined downward near an end of the second base 61, and the second base 61 is provided with a second transition slope 611 inclined downward near an end of the first base 51. When the moving roller 7 moves to the end of the first base 51 (i.e. the end of the first base 51 near the second base 61), the moving roller 7 sinks, and the first transition slope can play a role in transition, so that the instability of the mechanism caused by abrupt sinking of the moving roller 7 is avoided; when the moving roller 7 moves to the head end of the second base 61 (i.e. the end of the second base 61 near the first base 51), the moving roller 7 will rise, and the second transition slope can play a role in transition, so as to avoid the unstable mechanism caused by the abrupt rising of the moving roller 7.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a flue gas entrapment cover which characterized in that: the device comprises a cover body arranged above a die casting machine, two side suction flues arranged at the bottoms of the two sides of the length direction of the cover body and a top suction flue arranged in a top middle area in the cover body, wherein a plurality of trapping ports communicated with the inside of the side suction flues and the bottom of the top suction flue are arranged at the bottoms of the side suction flues and the top suction flue, and the smoke outlets of the side suction flues and the top suction flue are communicated with an external oil mist purifier through pipelines.
2. A smoke-trapping mask according to claim 1, wherein: the cover body comprises a movable cover body positioned in the middle, a first fixed cover body and a second fixed cover body used for closing two ends of the movable cover body, and the movable cover body covers/is far away from the upper part of a die closing area of the die casting machine under the action of a driving mechanism;
the die casting machine top is set firmly through the support and is used for supporting remove the first track and the second track of cover body rectilinear movement, first orbital length is greater than the length of second, and break off between the two and set up the first space that forms and be used for the die casting machine's mould level to shift out in setting for the altitude department, first track and second track are located respectively the fixed cover body of first and second place side, when removing the cover body and keeping away from under actuating mechanism's effect the top of die casting machine compound die district, remove the cover body and move back to the fixed cover body of first place side.
3. A smoke-trapping mask according to claim 2, wherein: the first fixed cover body and the second fixed cover body are of short cover or thin plate frame structures, and the length/thickness ratio of the second fixed cover body to the movable cover body is 1:5 to 1:15, a second space formed from the inner side of the second fixed cover body to the other end of the second rail is used for hoisting components of the die casting machine.
4. A smoke-trapping mask according to claim 1, wherein: the top suction flue is arranged along the length direction of the cover body and is parallel to the side suction flue in space.
5. A smoke-trapping mask according to claim 1, wherein: the smoke outlets of the side-suction flue and the top-suction flue are arranged at the tail end parts of the respective flues, the smoke outlets of the side-suction flue and the top-suction flue are respectively connected with a smoke outlet pipeline, and the joint of each smoke outlet pipeline and the air inlet pipeline of the purifier is sealed dynamically and dynamically in a 45-degree oblique connection mode.
6. A smoke-trapping mask according to claim 1, wherein: the side suction flue and the top suction flue are integrally of square-shaped structures; and/or the cover body comprises a frame and a metal plate veneer attached to the inner side and the outer side of the frame.
7. A smoke-trapping mask according to claim 6, wherein: the side suction flue and the top suction flue are respectively and detachably connected with the cover body.
8. A smoke-trapping mask according to claim 2, wherein: the first track comprises a first base and a guide pulley fixedly arranged above the first base, a guide chute matched with the guide pulley is arranged below the side part of the movable cover body, a movable roller is fixedly arranged at one end part of the movable cover body, which is close to the second track, the second track comprises a second base, and when the movable cover body moves, the movable roller moves on the upper surfaces of the first base and the second base.
9. A smoke-trapping mask according to claim 8, wherein: the first base is close to the first transition inclined plane that inclines downwards is provided with to the one end of second base, the second base is close to the one end of first base sets up the second transition inclined plane that inclines downwards.
10. A smoke-trapping mask according to claim 2, wherein: the driving mechanism comprises a motor, a gear connected with the motor and a rack matched with the gear, and the rack is connected with the movable cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223089053.4U CN219211012U (en) | 2022-11-17 | 2022-11-17 | Flue gas trapping cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223089053.4U CN219211012U (en) | 2022-11-17 | 2022-11-17 | Flue gas trapping cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219211012U true CN219211012U (en) | 2023-06-20 |
Family
ID=86750137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223089053.4U Active CN219211012U (en) | 2022-11-17 | 2022-11-17 | Flue gas trapping cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219211012U (en) |
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2022
- 2022-11-17 CN CN202223089053.4U patent/CN219211012U/en active Active
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