CN112076964A - Lost foam coating drying room with quick energy-saving air duct - Google Patents
Lost foam coating drying room with quick energy-saving air duct Download PDFInfo
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- CN112076964A CN112076964A CN202011004397.3A CN202011004397A CN112076964A CN 112076964 A CN112076964 A CN 112076964A CN 202011004397 A CN202011004397 A CN 202011004397A CN 112076964 A CN112076964 A CN 112076964A
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- air
- drying room
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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Abstract
The invention discloses a lost foam coating drying room with a quick energy-saving air channel, belonging to the technical field of lost foam coating drying, and comprising a drying room body, wherein one end of the outer side of the drying room body is provided with an air circulation heating device; the air outlet and the air inlet of the air circulation heating device are respectively communicated with the air inlet duct and the air return duct through pipelines. The evaporative pattern coating drying room with the rapid energy-saving air duct provided by the invention has the advantages that the drying room is totally enclosed, no emission is caused, the drying cycle is realized, the air outlet and the air return are uniform, the drying efficiency is high due to the penetration and flowing of the air inside and outside the pattern without dead angles, the same product efficiency is doubled, the operation cost is reduced by 30%, the evaporative pattern coating drying room is not influenced by humidity and atmosphere, and the performance is stable.
Description
Technical Field
The invention belongs to the technical field of evaporative pattern coating drying, and particularly relates to an evaporative pattern coating drying room with a quick energy-saving air duct.
Background
In the existing production and manufacturing, a mould is the most important part in the production process, and the lost foam is very widely applied to the mould; the lost foam is a foam plastic mould and is an essential mould for lost foam casting. The lost foam must be coated with a coating before it is used for casting and after coating is completed the lost foam needs to be dried in a drying room to cure the coating. However, the lost foam needs to be heated and dried, a general lost foam drying process is carried out in a mold drying room built in a factory, in order to save energy, the heat in the drying room can be recycled by the drying room used at present, and a good energy-saving effect is achieved.
Meanwhile, the lost foam casting industry adopts an air energy heat pump as a heating source, the coating is dried for about 6 to 8 hours in a single time, and the coating is dried for about 12 to 20 hours in two or three times; the steam radiator is adopted as a heating source to dry the coating for about 6-8 hours in a single time, and the coating is dried for about 16 and 24 hours in two and three times, so that the drying time is long, the operation cost is high, and the effect can not meet the requirements of the lost foam casting process.
Therefore, a drying room for the lost foam coating, which can uniformly heat the lost foam coating in the drying process, has short drying time and high efficiency, is urgently needed.
Disclosure of Invention
The invention aims to provide a lost foam coating drying room which can uniformly heat a lost foam coating in the drying process, is short in drying time and high in efficiency. The invention adopts the following technical scheme:
a lost foam coating drying room with a quick energy-saving air channel comprises a drying room body, wherein one end of the outer side of the drying room body is provided with an air circulation heating device, an air circulation system is arranged in the drying room body and comprises an air inlet air channel and a return air channel, a plurality of air outlet holes are formed in the air inlet air channel, and a plurality of return air holes are formed in the return air channel; and an air outlet and an air inlet of the air circulation heating device are respectively communicated with the air inlet duct and the air return duct.
Further, the air inlet duct set up in stoving room body bottom, the return air duct set up in stoving room body top.
Further, the air inlet duct set up in stoving room body top, the return air duct set up in stoving room body bottom.
Furthermore, the air inlet duct comprises a horn-shaped air guide pipe and a plurality of air inlet channels, the air inlet end of the air guide pipe is connected with the air outlet of the air circulation heating device, and the other end of the air guide pipe is communicated with the air inlet channels; the air inlet channel is provided with a plurality of through holes for air outlet; the air return channel comprises a plurality of air return channels, and the air return channels are provided with a plurality of through holes for returning air; and the air outlet end of the air return channel is connected with an air inlet of the air circulation heating device.
Furthermore, an induced draft fan is arranged on the air return channel, and the induced draft fan enables air flow from inside to outside to be formed in the air return channel; the outlet end of the return air channel is provided with a dehumidifier for drying the air entering the air circulation heating device; and the outlet of the dehumidifier is communicated with the air inlet of the air circulation heating device.
Furthermore, the air inlet channel or the air return channel arranged at the bottom of the drying room body comprises a concave groove and a sealing plate; the sealing plate is arranged at the top end of the concave groove and forms a cavity with a gradient of 5% with the concave groove; the through hole of air-out set up in on the shrouding.
Further, the return air pipe comprises a groove and a cover plate, the cover plate is arranged at the top end of the groove and forms a cavity with a gradient of 5% with the groove, and the cover plate is provided with a plurality of through holes for return air.
Further, the drying room body outside with the one end that air circulation heating device corresponds is provided with the door body, the door body is 2 two gates that open.
Furthermore, a plurality of drying rooms can be arranged, are controlled in a centralized manner through an ETHERNET industrial network and are operated by adopting a PLC control cabinet; wherein, the PLC switch board is provided with the digital display screen, the digital display screen shows every the inside temperature and humidity in stoving room, the data set in stoving room shows on the digital display screen, the digital display screen is the full-color LED display screen of p 4.
The invention has the beneficial effects that:
the evaporative pattern coating drying room with the rapid energy-saving air duct provided by the invention has the advantages that the drying room is totally enclosed, no emission is caused, the drying cycle is realized, the air outlet and the air return are uniform, the drying efficiency is high due to the penetration and flowing of the air inside and outside the pattern without dead angles, the same product efficiency is doubled, the operation cost is reduced by 30%, the evaporative pattern coating drying room is not influenced by humidity and atmosphere, and the performance is stable.
Meanwhile, the air circulation heating device has high-low pressure protection, compressor overload protection, exhaust temperature high-temperature protection and automatic defrosting function, and ensures the safe operation of the unit; under the same conditions, the strong dehumidification of the invention can increase the dehumidification by 20 to 30 percent in the same time; when the relative humidity of the environment is 30%, the length dehumidification can be carried out, the highest temperature of the unit can reach 65 ℃, and the lowest relative humidity can reach 10%.
Drawings
FIG. 1 is a schematic structural view of a lost foam coating drying room with a lower air inlet duct and an upper air return duct
FIG. 2 is a schematic top view of the lower air inlet duct shown in FIG. 1
FIG. 3 is a schematic top view of the upper return air duct of FIG. 1
FIG. 4 is a right side view of FIG. 1
3 FIG. 3 5 3 is 3 a 3 schematic 3 sectional 3 view 3 of 3 A 3- 3 A 3 in 3 FIG. 3 4 3
FIG. 6 is a schematic structural view of a lost foam coating drying room with an upper air inlet duct and a lower air inlet duct
Wherein, 1, drying room body; 2. an air circulation heating device; 3. an air inlet duct; 4. an air return duct; 5. a dehumidifier; 6. model erecting vehicle; 7. an induced draft fan; 8. closing the plate; 9. an air guide pipe; 10. a through hole; 11. a door body.
Detailed Description
Example 1
The embodiment provides a lost foam coating drying room with a quick energy-saving lower air inlet duct and an upper air return duct, which comprises a drying room body 1, wherein one end of the outer side of the drying room body 1 is provided with an air circulation heating device 2, an air circulation system is arranged in the drying room body 1 and comprises an air inlet duct 3 and an air return duct 4, the air inlet duct 3 is provided with a plurality of air outlet holes, and the air return duct 4 is provided with a plurality of air return holes; the air outlet and the air inlet of the air circulation heating device are respectively communicated with the air inlet duct 3 and the air return duct 4.
In this embodiment, the air outlet direction of the air outlet is aligned with the evaporative pattern model to be dried on the model car 6.
In this embodiment, the drying room body 1 has a length of 12 m, a width of 6 m and a height of 3.3 m.
In this embodiment, the air inlet duct 3 is arranged at the bottom of the drying room body 1, and the air return duct 4 is arranged at the top of the drying room body.
The air inlet duct 3 comprises a horn-shaped air guide pipe 9 and a plurality of air inlet channels, the air inlet end of the air guide pipe 9 is connected with the air outlet of the air circulation heating device 2, and the other end of the air guide pipe is communicated with the air inlet channels; the top of the air inlet channel is provided with a plurality of through holes 10 for air outlet; the air return duct 4 comprises a plurality of air return channels, and the lower ends of the air return channels are provided with a plurality of through holes 10 for returning air; the air outlet end of the air return channel is connected with an air inlet of the air circulation heating device 2. In the present embodiment, the through hole 10 may be a circular hole, a square hole or other special-shaped hole, preferably a circular hole; the size of the circular hole is
The number is 100 x 100.
The air circulation heating device 2 is an air energy heat pump or a steam fin radiator.
In this embodiment, the main fan of the air-source heat pump or the steam-fin radiator blows the heated air to the air guiding duct 9.
An induced draft fan 7 is arranged on the air return channel, and the induced draft fan 7 enables air flow from inside to outside to be formed in the air return channel; the outlet end of the return air channel is provided with a dehumidifier 5 for drying the air entering the air circulation heating device 2. The outlet of the dehumidifier 5 is communicated with the air inlet of the air circulation heating device 2. The inlet air channel that 1 bottom in stoving room body set up includes concave groove and shrouding 8, and shrouding 8 sets up in the concave groove top to form the cavity that has 5% slope with the concave groove, the through-hole 10 of air-out sets up on shrouding 8. The dehumidifier 5 is preferably an industrial dehumidifier; the draught fans 7 are axial flow fans, and the number of the draught fans is 4.
In this embodiment, the sealing plate 8 and the concave groove are sealed to form a cavity with a width of 6 meters, a length of 12 meters and a height of 220-250mm and a gradient of 5%.
In addition, a door body 11 is arranged at one end of the outer side of the drying room body 1 corresponding to the air circulation heating device 2, and the door body 11 is 2 double-opening doors.
In this embodiment, the size of the bell-mouth duct 9 inside the drying room body 1 is 220mm, and the size from the duct 9 to the double-open door of the drying room is 250 mm.
In this embodiment, a plurality of drying rooms can be provided, and are centrally controlled by an ETHERNET industrial network and operated by a PLC control cabinet; wherein, the PLC switch board is provided with the digital display screen, and the inside temperature and humidity in every stoving room of digital display screen display, the data set in stoving room show on the digital display screen, and the digital display screen is the full-color LED display screen of p 4.
The working process of the embodiment: the main machine fan of the air energy heat pump or the steam radiating fin radiator blows heated air to an air guide pipe 9, the air guide pipe 9 guides hot air to each air inlet channel, the hot air is discharged through a through hole 10 for air outlet of a sealing plate 8 covering the air inlet channel, a lost mold part to be dried on a mold trolley 6 is dried, then the lost mold part enters a prefabricated air return channel 4 through an air return through hole 10 on the air return channel and is introduced into a dehumidifier 5 by 4 axial flow fans for dehumidification, and the dried air is heated by the main machine fan through the air energy heat pump or the steam radiating fin radiator for circulation operation, so that closed emission-free drying internal circulation of a drying room is realized.
Example 2
This embodiment provides a disappearance mould coating stoving room with air duct, lower return air duct on energy-conserving fast, and air duct 3 sets up in stoving room body top, and return air duct 4 sets up in stoving room body bottom.
Wherein, the air return duct 4 is 8 cement trenches with the thickness of 200 × 11500mm dug in the ground construction of the drying room and is used as a concave groove; be provided with shrouding 8 on the cement trench, be provided with the through-hole 10 of a plurality of return airs on the shrouding 8, the inlet air channel lower extreme is provided with a plurality of through-holes 10 that are used for the air-out.
In this embodiment, 100 × 100 sealing plates 8 are provided
And a circular through hole.
The other settings were the same as in example 1.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. The evaporative pattern coating drying room with the rapid energy-saving air channel is characterized by comprising a drying room body (1), wherein one end of the outer side of the drying room body (1) is provided with an air circulation heating device (2), an air circulation system is arranged in the drying room body (1), the air circulation system comprises an air inlet air channel (3) and a return air channel (4), the air inlet air channel (3) is provided with a plurality of air outlet holes, and the return air channel (4) is provided with a plurality of return air holes; and an air outlet and an air inlet of the air circulation heating device are respectively communicated with the air inlet duct (3) and the air return duct (4).
2. The drying room for lost foam paint as claimed in claim 1, wherein the air inlet duct (3) is disposed at the bottom of the drying room body (1), and the air return duct (4) is disposed at the top of the drying room body.
3. The drying room for lost foam paint as claimed in claim 1, wherein the air inlet duct (3) is disposed at the top of the drying room body, and the air return duct (4) is disposed at the bottom of the drying room body.
4. The drying room for lost foam coating according to claim 2 or 3, wherein the air inlet duct (3) comprises a trumpet-shaped air guide pipe (9) and a plurality of air inlet channels, the air inlet end of the air guide pipe (9) is connected with the air outlet of the air circulation heating device (2), and the other end of the air guide pipe is communicated with the air inlet channels; the air inlet channel is provided with a plurality of through holes (10) for air outlet; the air return duct (4) comprises a plurality of air return channels, and the air return channels are provided with a plurality of through holes (10) for air return; and the air outlet end of the air return channel is connected with an air inlet of the air circulation heating device (2).
5. The drying room for the lost foam coating according to claim 4, wherein an induced draft fan (7) is arranged on the return air channel, and the induced draft fan (7) enables air flow from inside to outside to be formed in the return air channel; a dehumidifier (5) is arranged at the outlet end of the return air channel and is used for drying the air entering the air circulation heating device (2); the outlet of the dehumidifier (5) is communicated with the air inlet of the air circulation heating device (2).
6. The drying room for the lost foam paint as claimed in claim 5, wherein the air inlet channel or the air return channel arranged at the bottom of the drying room body (1) comprises a concave groove and a sealing plate (8); the sealing plate (8) is arranged at the top end of the concave groove and forms a cavity with a gradient of 5% with the concave groove; the through holes (10) for air outlet are arranged on the sealing plate (8).
7. The drying room for lost foam paint according to claim 1, wherein a door body (11) is arranged at one end of the outside of the drying room body (1) corresponding to the air circulation heating device (2), and the door body (11) is 2 double-opening doors.
8. The drying room for the lost foam coating according to claim 1, wherein the drying room is a plurality of drying rooms, is centrally controlled by an ETHERNET industrial network, and is operated by a PLC control cabinet; wherein, the PLC switch board is provided with the digital display screen, the digital display screen shows every the inside temperature and humidity in stoving room, the data set in stoving room shows on the digital display screen, the digital display screen is the full-color LED display screen of p 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004397.3A CN112076964A (en) | 2020-09-22 | 2020-09-22 | Lost foam coating drying room with quick energy-saving air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011004397.3A CN112076964A (en) | 2020-09-22 | 2020-09-22 | Lost foam coating drying room with quick energy-saving air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112076964A true CN112076964A (en) | 2020-12-15 |
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ID=73738308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011004397.3A Pending CN112076964A (en) | 2020-09-22 | 2020-09-22 | Lost foam coating drying room with quick energy-saving air duct |
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| CN (1) | CN112076964A (en) |
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| CN205192191U (en) * | 2015-11-05 | 2016-04-27 | 埃维柯精密铸造（安徽）有限公司 | Disappearance mould coating stoving room of wet function of band elimination |
| KR20170046332A (en) * | 2015-10-21 | 2017-05-02 | (재)한국섬유기계연구원 | Air nozzle for high speed digital textile printer drier |
| CN207585242U (en) * | 2017-12-15 | 2018-07-06 | 湖北光辉节能科技有限公司 | A kind of evaporative pattern baking machine |
| CN207778978U (en) * | 2017-12-28 | 2018-08-28 | 苏州冬宝光电科技有限公司 | A kind of drying unit of cylindrical part |
| CN108499821A (en) * | 2018-03-14 | 2018-09-07 | 邵锦文 | Air energy paint-spraying baking booth |
| CN109248838A (en) * | 2018-09-30 | 2019-01-22 | 机械工业第四设计研究院有限公司 | A kind of transverse direction drying room |
| CN208437167U (en) * | 2018-03-14 | 2019-01-29 | 邵锦文 | Air energy paint-spraying baking booth |
| KR102048527B1 (en) * | 2019-08-06 | 2019-11-25 | 김다별 | Vehicle body painting booth |
-
2020
- 2020-09-22 CN CN202011004397.3A patent/CN112076964A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170046332A (en) * | 2015-10-21 | 2017-05-02 | (재)한국섬유기계연구원 | Air nozzle for high speed digital textile printer drier |
| CN205192191U (en) * | 2015-11-05 | 2016-04-27 | 埃维柯精密铸造（安徽）有限公司 | Disappearance mould coating stoving room of wet function of band elimination |
| CN207585242U (en) * | 2017-12-15 | 2018-07-06 | 湖北光辉节能科技有限公司 | A kind of evaporative pattern baking machine |
| CN207778978U (en) * | 2017-12-28 | 2018-08-28 | 苏州冬宝光电科技有限公司 | A kind of drying unit of cylindrical part |
| CN108499821A (en) * | 2018-03-14 | 2018-09-07 | 邵锦文 | Air energy paint-spraying baking booth |
| CN208437167U (en) * | 2018-03-14 | 2019-01-29 | 邵锦文 | Air energy paint-spraying baking booth |
| CN109248838A (en) * | 2018-09-30 | 2019-01-22 | 机械工业第四设计研究院有限公司 | A kind of transverse direction drying room |
| KR102048527B1 (en) * | 2019-08-06 | 2019-11-25 | 김다별 | Vehicle body painting booth |
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Inventor after: Li Sanyu Inventor before: Calendar three in |