CN219836290U - A fume filtration device for lost foam casting pouring - Google Patents
A fume filtration device for lost foam casting pouring Download PDFInfo
- Publication number
- CN219836290U CN219836290U CN202320785263.2U CN202320785263U CN219836290U CN 219836290 U CN219836290 U CN 219836290U CN 202320785263 U CN202320785263 U CN 202320785263U CN 219836290 U CN219836290 U CN 219836290U
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- CN
- China
- Prior art keywords
- pipe
- filter screen
- dust collecting
- lost foam
- foam casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010114 lost-foam casting Methods 0.000 title claims abstract description 28
- 239000003517 fume Substances 0.000 title claims abstract description 21
- 238000001914 filtration Methods 0.000 title abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000000779 smoke Substances 0.000 claims abstract description 29
- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000012423 maintenance Methods 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Separation Of Particles Using Liquids (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a smoke filtering device for lost foam casting pouring, which relates to the technical field of lost foam casting pouring equipment and comprises a smoke collecting hood, a dust collecting pipe, a water tank and a pump body, wherein the upper end of the smoke collecting hood is communicated with a bending pipe; the fume collecting hood is adjusted to the upper part of the lost foam casting area through the rotary flange bearing, the fume collecting hood is convenient to move and capable of quickly collecting fume, clear water is uniformly sprayed on the periphery of the filter screen cylinder through the spray header, and then the fume and the tiny dust are subjected to sedimentation filtration, so that a good filtering effect is achieved.
Description
Technical Field
The utility model relates to the technical field of lost foam casting equipment, in particular to a smoke filtering device for lost foam casting.
Background
The lost foam casting is a novel casting method for producing castings by using foam plastic (EPS) polymer materials to manufacture a full mold with the same structure and size as the parts to be cast, dipping fireproof paint, drying, burying in dry quartz sand, three-dimensional vibration molding, pouring molten metal into a casting mold box under a negative pressure state, heating, gasifying and extracting the polymer material model, and then replacing the liquid metal with a one-step molding casting novel process formed after cooling and solidification. In the vacuum casting process of the lost foam, the foam model is liquefied and combusted under the action of high-temperature molten metal to generate a large amount of black smoke and dust, but the dust and the black smoke cannot be directly discharged into the atmosphere and need to be treated by a dust remover.
At present, the lost foam casting mainly adopts a cloth bag dust remover and a water ring vacuum pump to pump negative pressure to achieve the dust removal effect, but the cloth bag dust remover only can collect generated particulate matters such as tiny dust, and the like, has an unobvious purifying effect on flue gas, can seriously influence the working environment of workshops and the physical health of operators, has large wind resistance and small exhaust amount in the use process of the cloth bag dust remover, reduces the negative pressure in a system, influences the quality of lost foam casting, and therefore has a certain limitation in using cloth bag dust removal. On the other hand, the negative pressure pumping by adopting the water ring vacuum pump is only a tail end trapping mode of waste gas, and the flue gas cannot be completely removed.
Disclosure of Invention
The utility model aims at: in order to solve the technical problems, the utility model provides a smoke filtering device for lost foam casting pouring, so as to improve the efficiency of collecting dust collecting devices, smoke dust and purifying smoke.
The utility model adopts the following technical scheme for realizing the purposes: the utility model provides a flue gas filter equipment for lost foam casting pouring, includes collection petticoat pipe, dust collecting pipe, water tank and the pump body, collection petticoat pipe's upper end intercommunication has the bending tube, the one end of dust collecting pipe is fixed with the connecting pipe, install rotatory flange bearing between bending tube and the connecting pipe, the internally mounted of dust collecting pipe has a filter screen cylinder, the intercommunication has the drain pipe between dust collecting pipe and the water tank, inlet tube and outlet pipe are installed respectively to the water inlet and the delivery port of the pump body, the other end and the water tank intercommunication of inlet tube, the other end intercommunication of outlet pipe has the shower, the outside intercommunication of shower has a plurality of branch pipe, a plurality of the lower extreme of branch pipe all runs through the inside that extends to the dust collecting pipe, a plurality of the shower is all installed to the lower extreme of branch pipe.
In order to facilitate rapid collection of smoke, the smoke filtering device for lost foam casting pouring is preferably provided with a plurality of fans fixedly arranged on the lower end face of the smoke collecting cover.
In order to facilitate the disassembly and cleaning of the filter screen cylinder, the preferred flue gas filtering device for lost foam casting pouring is characterized in that the inner wall of the dust collecting pipe is fixedly connected with a fixing ring, the inner ring of the fixing ring is fixedly provided with a first screw cylinder, one end of the filter screen cylinder is closed, the other end of the filter screen cylinder is open, the open end of the filter screen cylinder is positioned at one side close to the fume collecting hood, and the open end of the filter screen cylinder is fixedly connected with a second screw cylinder matched with the first screw cylinder.
In order to facilitate the removal of the filter screen cylinder from the dust collecting pipe, the smoke filtering device for lost foam casting pouring is preferably provided with a maintenance door hinged to the outer wall of the dust collecting pipe, and a sealing strip is arranged on the periphery of the maintenance door.
In order to filter water flowing into the pump body in the water tank, the smoke filtering device for lost foam casting pouring is preferably provided with a filter screen at the joint of the water tank and the water inlet pipe.
In order to conveniently control the water flow entering the pump body, the smoke filtering device for lost foam casting pouring is preferably adopted, and electromagnetic valves are arranged on the outer sides of the water inlet pipe and the water outlet pipe.
The beneficial effects of the utility model are as follows:
1. the fume collecting hood is adjusted to be above the lost foam casting area through the rotary flange bearing, and the external fan sucks generated fume and tiny dust into the dust collecting pipe through the fume collecting hood during casting, so that the fume collecting hood is convenient to move and can collect fume quickly;
2. the smoke dust is filtered through the filter screen cylinder, meanwhile, the circulating water pump body sends water of the water tank to the spray pipe through the water inlet pipe and the water outlet pipe, and the water is uniformly sprayed on the periphery of the filter screen cylinder through the spray header, so that the smoke and the tiny dust are subjected to sedimentation filtration, and a good filtering effect is achieved by adopting spray filtration.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a dust collection tube;
FIG. 3 is a schematic diagram at A of FIG. 2;
fig. 4 is a split view of the first screw barrel and the second screw barrel.
Reference numerals: 1. a lost foam casting area; 2. a fume collecting hood; 201. a blower; 202. bending the tube; 3. a rotating flange bearing; 4. a dust collecting pipe; 401. maintaining the door; 402. a connecting pipe; 403. a fixing ring; 404. a first screw barrel; 5. a water tank; 501. a drain pipe; 502. a filter screen; 6. a pump body; 601. a water inlet pipe; 602. a water outlet pipe; 7. a shower pipe; 701. a branch pipe; 702. a spray header; 8. a filter screen cylinder; 801. and a second screw cylinder.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements 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.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a flue gas filter for lost foam casting pouring, including collection petticoat pipe 2, dust collecting pipe 4, water tank 5 and pump body 6, the lower terminal surface fixed mounting of collection petticoat pipe 2 has a plurality of fans 201, the upper end intercommunication of collection petticoat pipe 2 has the bend pipe 202, the one end of dust collecting pipe 4 is fixed with connecting pipe 402, install rotatory flange bearing 3 between bend pipe 202 and the connecting pipe 402, the internally mounted of dust collecting pipe 4 has filter screen cylinder 8, the intercommunication has drain pipe 501 between dust collecting pipe 4 and the water tank 5, the filter screen 502 is installed to the junction of water tank 5 and inlet tube 601, inlet tube 601 and outlet tube 602 are installed respectively to the water inlet and the delivery port of pump body 6, the solenoid valve is all installed in the outside of inlet tube 601 and outlet tube 602, the other end and the water tank 5 intercommunication of inlet tube 602, the other end intercommunication of outlet tube 602 has shower 7, the outside intercommunication of shower 7 has a plurality of branch 701, the lower extreme of a plurality of branch 701 all runs through and extends to the inside of dust collecting pipe 4, the lower extreme of a plurality of branch 701 all installs the shower head 702.
In this embodiment: the fume collecting hood 2 is adjusted to the upper part of the lost foam casting area 1 through the rotary flange bearing 3, the external fan 201 sucks generated fume and tiny dust into the dust collecting pipe 4 through the fume collecting hood 2 during casting, the fume is filtered through the filter screen cylinder 8, meanwhile, the circulating water pump body 6 sends water of the water tank 5 to the spray pipe 7 through the water inlet pipe 601 and the water outlet pipe 602, the water is uniformly sprayed around the filter screen cylinder 8 through the spray header 702, the fume and the tiny dust are subjected to sedimentation filtration, finally, the filtered gas is discharged through a discharge pipeline connected with the end part of the filtering device, the settled sewage is recycled into the water tank 5 through the water outlet pipe 501, and the filter screen 502 can filter the water entering the pump body 6 when the pump body 6 circulates.
As a technical optimization scheme of the utility model, a fixed ring 403 is fixedly connected to the inner wall of a dust collecting pipe 4, a first screw barrel 404 is fixedly arranged on the inner ring of the fixed ring 403, one end of a filter screen barrel 8 is closed, the other end of the filter screen barrel 8 is open, the open end of the filter screen barrel 8 is positioned at one side close to a fume collecting hood 2, a second screw barrel 801 matched with the first screw barrel 404 is fixedly connected to the open end of the filter screen barrel 8, a maintenance door 401 is hinged to the outer wall of the dust collecting pipe 4, and a sealing strip is arranged on one circle of the maintenance door 401.
In this embodiment: through first spiral shell section of thick bamboo 404 and second spiral shell section of thick bamboo 801 threaded connection, and then the position of fixed filter screen section of thick bamboo 8, after filter screen section of thick bamboo 8 used a period, make first spiral shell section of thick bamboo 404 and second spiral shell section of thick bamboo 801 separation, open maintenance door 401 again, can take out filter screen section of thick bamboo 8 from dust collecting tube 4, and then clear up its inside smoke and dust impurity to reach the effect of conveniently dismantling clearance flue gas filter equipment.
The working principle and the using flow of the utility model are as follows: when the smoke filtering device is used, the smoke collecting cover 2 is adjusted to the upper part of the lost foam casting area 1 through the rotary flange bearing 3, the external fan 201 sucks generated smoke and tiny dust into the dust collecting pipe 4 through the smoke collecting cover 2 during casting, smoke and dust are filtered through the filter screen barrel 8, meanwhile, the circulating water pump body 6 sends water of the water tank 5 to the spray pipe 7 through the water inlet pipe 601 and the water outlet pipe 602, the water is uniformly sprayed around the filter screen barrel 8 through the spray header 702, the smoke and the tiny dust are further subjected to sedimentation filtration, finally, the filtered gas is discharged through a discharge pipeline connected with the end part of the filtering device, the settled sewage is recycled into the water tank 5 through the water outlet pipe 501, the position of the filter screen barrel 8 is further fixed through the threaded connection of the first threaded barrel 404 and the second threaded barrel 801, after the filter screen barrel 8 is used for a period of time, the first threaded barrel 404 is separated from the second threaded barrel 801, the maintenance door 401 is opened, the filter screen barrel 8 can be taken out from the dust collecting pipe 4, and dust impurities inside the filter screen barrel 8 are further cleaned.
While the foregoing has been provided by embodiments of the present utility model with particularity, the principles and modes of carrying out the embodiments of the present utility model have been described in detail by reference to specific examples, which are merely intended to assist in understanding the principles of the embodiments of the present utility model, those skilled in the art should not be limited to the details of this utility model, since modifications in light of the principles and modes of carrying out the embodiments of the present utility model may be made by those skilled in the art.
Claims (6)
1. The utility model provides a flue gas filter for lost foam casting pouring, includes collection petticoat pipe (2), dust collecting pipe (4), water tank (5) and pump body (6), its characterized in that: the utility model discloses a dust collecting hood, including dust collecting hood, connecting pipe (7), filter screen cylinder (8), filter screen cylinder (501), water inlet pipe (601) and outlet pipe (602) are installed respectively to the upper end intercommunication of collecting hood (2), the one end of dust collecting pipe (4) is fixed with connecting pipe (402), install swivel flange bearing (3) between the connecting pipe (402) and the bending pipe (202), internally mounted of dust collecting pipe (4) has filter screen cylinder (8), the intercommunication has drain pipe (501) between dust collecting pipe (4) and water tank (5), inlet pipe (601) and outlet pipe (602) are installed respectively to the water inlet and the outlet of pump body (6), the other end and the water tank (5) intercommunication of inlet pipe (601), the other end intercommunication of outlet pipe (602) has shower (7), the outside intercommunication of shower (7) has a plurality of branch pipe (701), a plurality of the lower extreme of branch pipe (701) all runs through the inside that extends to dust collecting pipe (4), and a plurality of shower head (702) are all installed to the lower extreme of branch pipe (701).
2. A smoke filter for lost foam casting pouring as defined in claim 1 wherein: the lower end face of the fume collecting hood (2) is fixedly provided with a plurality of fans (201).
3. A smoke filter for lost foam casting pouring as defined in claim 1 wherein: the dust collecting pipe is characterized in that a fixing ring (403) is fixedly connected to the inner wall of the dust collecting pipe (4), a first screw cylinder (404) is fixed to the inner ring of the fixing ring (403), one end of the filter screen cylinder (8) is in a closed shape, the other end of the filter screen cylinder (8) is in an open shape, the open end of the filter screen cylinder (8) is located on one side close to the fume collecting hood (2), and a second screw cylinder (801) matched with the first screw cylinder (404) is fixedly connected to the open end of the filter screen cylinder (8).
4. A smoke filter for lost foam casting pouring as defined in claim 1 wherein: the outer wall hinge of the dust collecting pipe (4) is connected with a maintenance door (401), and a sealing strip is arranged on the periphery of the maintenance door (401).
5. A smoke filter for lost foam casting pouring as defined in claim 1 wherein: a filter screen (502) is arranged at the joint of the water tank (5) and the water inlet pipe (601).
6. A smoke filter for lost foam casting pouring as defined in claim 1 wherein: electromagnetic valves are arranged on the outer sides of the water inlet pipe (601) and the water outlet pipe (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320785263.2U CN219836290U (en) | 2023-04-11 | 2023-04-11 | A fume filtration device for lost foam casting pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320785263.2U CN219836290U (en) | 2023-04-11 | 2023-04-11 | A fume filtration device for lost foam casting pouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219836290U true CN219836290U (en) | 2023-10-17 |
Family
ID=88298631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320785263.2U Active CN219836290U (en) | 2023-04-11 | 2023-04-11 | A fume filtration device for lost foam casting pouring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219836290U (en) |
-
2023
- 2023-04-11 CN CN202320785263.2U patent/CN219836290U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |