CN215571698U - Lost foam drying room using circulating air heater - Google Patents
Lost foam drying room using circulating air heater Download PDFInfo
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- CN215571698U CN215571698U CN202121297201.4U CN202121297201U CN215571698U CN 215571698 U CN215571698 U CN 215571698U CN 202121297201 U CN202121297201 U CN 202121297201U CN 215571698 U CN215571698 U CN 215571698U
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Abstract
The utility model discloses a lost foam drying room using a circulating air heater, and belongs to the field of lost foam casting process equipment. The aim is to reduce energy consumption, save cost, reduce drying time and improve drying efficiency when the lost foam is dried. The technical scheme is that a disappearance mould baking house that uses circulation air heater is provided, including the baking house main part, circulation air heater, air-supply line and air-out pipeline, the lateral wall face bottom of baking house main part is equipped with first air intake, the lateral wall face top of baking house main part is equipped with first air outlet, be equipped with second air intake and second air outlet on the circulation air heater, be equipped with "n" shape air pipe in the baking house main part, the one end and the second air outlet of air-supply line are connected, first air intake is passed to the other end of air-supply line and "n" shape air pipe is connected, the one end and the second air intake connection of air-out pipeline, the other end of air-out pipeline passes first air outlet and baking house main part internal connection, be equipped with a plurality of third air outlets on the "n" shape air pipe.
Description
Technical Field
The utility model belongs to the field of lost foam casting process equipment, and relates to a lost foam drying room using a circulating air heater.
Background
The lost foam casting is a novel casting method which comprises the steps of bonding and combining paraffin or foam models with similar sizes and shapes to form a model cluster, coating refractory paint, drying, burying in dry quartz sand for vibration modeling, pouring under negative pressure to enable the model to be gasified, enabling liquid metal to occupy the position of the model, solidifying and cooling to form the casting. One of the key links of lost foam casting is to produce a foam model, and the production speed of the foam model correspondingly influences the production speed of a lost foam casting product. The foam model produced in the existing lost foam casting process can be used in the next process after being dried, in the lost foam casting process, a layer of coating with a certain thickness needs to be coated on the surface of the foam model, a water-based coating is generally adopted to form a casting inner shell, and the coating has the functions of improving the strength and rigidity of the foam model, improving the capability of resisting sand scouring on the surface of the model, preventing the damage of the surface of the model or the deformation of the model during the molding of the casting and ensuring the size precision of the casting. In order to make the coating play a due role, after the foam model is coated with the coating, the model needs to be placed into a drying room for drying, the aim is to reduce the gas forming amount during casting and prevent casting defects from being generated during lost foam casting, and the heating in the drying room is generally realized by heating in a resistance wire furnace.
In the process of implementing the utility model, the inventor finds that at least the following problems exist in the prior art:
1. the heating loss is high by a resistance wire furnace heating mode, and the coverage range is small;
2. the heating temperature is lowered along with the increase of the distance of the resistance wire, and the temperature difference is large;
3. the heating efficiency is low, and the lost foam can be basically dried after 24 hours.
Disclosure of Invention
In view of this, the present invention provides a drying room for a lost foam using a circulating air heater, which can reduce energy consumption, save cost, reduce drying time, and improve drying efficiency.
The utility model provides a lost foam drying room using a circulating air heater, which comprises a drying room main body, the circulating air heater, an air inlet pipeline and an air outlet pipeline, wherein a first air inlet is arranged at the bottom of the side wall surface of the drying room main body, a first air outlet is arranged at the top of the side wall surface of the drying room main body, a second air inlet and a second air outlet are arranged on the circulating air heater, an n-shaped ventilation pipeline is arranged in the drying room main body, one end of the air inlet pipeline is connected with the second air outlet, the other end of the air inlet pipeline penetrates through the first air inlet and is connected with the n-shaped ventilation pipeline, one end of the air outlet pipeline is connected with the second air inlet, and the other end of the air outlet pipeline penetrates through the first air outlet and is connected with the inside of the drying room main body, and a plurality of third air outlets are arranged on the n-shaped ventilation pipeline.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that a plurality of third air outlets are arranged on the n-shaped ventilating duct at equal intervals.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that a third air outlet is rectangular.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that an air opening of the third air outlet faces to the center of the bottom of the drying room main body.
The further technical scheme is that the space between two adjacent third air outlets is 1.5 m.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that the distance between the n-shaped ventilating duct and the side wall surface of the drying room main body is 0.1 m.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that a temperature monitoring system is arranged in the drying room main body and is connected with the circulating air heater.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that a plurality of supporting columns for supporting the n-shaped ventilating ducts are arranged at the bottom of the drying room main body.
The further technical scheme is that the evaporative pattern drying room using the circulating air heater is characterized in that the support columns are arranged at equal intervals.
The further technical scheme is that the distance between the n-shaped ventilating pipeline and the bottom of the drying room main body is 0.2 m.
Compared with the prior art, one of the technical solutions has the following advantages:
a) the utility model adopts an evaporative pattern drying room using a circulating air heater, which comprises a drying room main body, the circulating air heater, an air inlet pipeline and an air outlet pipeline, wherein a first air inlet is arranged at the bottom of the side wall surface of the drying room main body, a first air outlet is arranged at the top of the side wall surface of the drying room main body, a second air inlet and a second air outlet are arranged on the circulating air heater, an n-shaped ventilation pipeline is arranged in the drying room main body, and a plurality of third air outlets are arranged on the n-shaped ventilation pipeline, so that a hot air circulating channel can be formed, the temperature of each area in the drying room is uniform, the drying time is shortened, the drying efficiency is improved, and the energy consumption and the cost are reduced by recycling hot air.
b) The utility model adopts the mode that the n-shaped ventilating duct is equidistantly provided with the plurality of third air outlets, so that each area in the drying room is uniformly heated, and the drying effect is ensured.
c) The third air outlet is rectangular, so that the air outlet quantity is large, and the drying efficiency of the lost foam can be accelerated.
d) The air outlet of the third air outlet is arranged towards the center of the bottom of the drying room main body, so that hot air flows from the lower part to the upper part of the drying room to form circulation.
e) The distance between every two adjacent third air outlets is 1.5m, so that the temperature in each area in the drying room is uniform.
f) The utility model adopts the arrangement that the distance between the n-shaped ventilating duct and the side wall surface of the drying room main body is 0.1m, and can avoid the influence on the hot air temperature caused by the contact between the n-shaped ventilating duct and the side wall surface of the drying room main body.
g) The utility model adopts the arrangement of the temperature monitoring system arranged in the drying room main body, can adjust the working condition of the air heater according to the temperature condition in the drying room, and reduces the energy consumption.
h) According to the utility model, the arrangement that the plurality of supporting columns for supporting the n-shaped ventilating duct are arranged at the bottom of the drying room main body is adopted, so that the overall stability of the n-shaped ventilating duct is improved.
i) The utility model adopts a plurality of support columns which are arranged at equal intervals, thereby further improving the overall stability of the n-shaped ventilation pipeline.
j) The utility model adopts the arrangement that the distance between the n-shaped ventilating duct and the bottom of the drying room main body is 0.2m, thereby avoiding the direct contact of the n-shaped ventilating duct and the bottom of the drying room main body and reducing the temperature of outlet air.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of fig. 1.
The labels in the figure are respectively: 100 drying room main bodies, 110 first air inlets, 120 first air outlets, 130 'n' -shaped ventilating ducts, 131 third air outlets, 140 supporting columns, 200 circulating hot air blowers, 300 air inlet pipelines and 400 air outlet pipelines.
Detailed Description
The following description is made with reference to the accompanying drawings and a specific embodiment.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
See fig. 1-2. The drying room using the circulating hot air blower 200 described in this embodiment includes a drying room main body 100, a circulating hot air blower 200, an air inlet duct 300 and an air outlet duct 400, a first air inlet 110 is arranged at the bottom of the side wall surface of the drying room main body 100, a first air outlet 120 is arranged at the top of the side wall surface of the drying room main body 100, the circulating air heater 200 is provided with a second air inlet and a second air outlet, an n-shaped ventilation duct 130 is arranged in the drying room main body 100, one end of the air inlet pipe 300 is connected with the second air outlet, the other end of the air inlet pipe 300 passes through the first air inlet 110 and is connected with the n-shaped ventilation duct 130, the one end and the second air intake connection of air-out pipeline 400, the other end of air-out pipeline 400 passes first air outlet 120 and baking house main part 100 internal connection, be equipped with 19 third air outlets 131 on "n" shape air pipe 130. In this embodiment, the drying room main body 100 is used for placing the evaporative pattern to be dried, the circulating air heater 200 is used for providing hot air to the drying room main body 100 and collecting the hot air with residual heat in the drying room main body 100, the air inlet duct 300 is used as a channel for conveying the hot air generated by the circulating air heater 200 to the n-shaped ventilation duct 130, the hot air entering the n-shaped ventilation duct 130 enters each area in the drying room main body 100 through the third air outlet 131, and the air outlet duct 400 is used as a channel for collecting the hot air with residual heat at the top of the drying room main body 100 to the circulating air heater 200, so as to form a circulation. It should be noted that the circulating hot air blower 200 used in this embodiment is a circulating hot air blower of model number HLJT-D220-TX3A-0.15, and is a direct application to the prior art, and besides this model of circulating hot air blower, the circulating hot air blower of the prior art that can be applied to the present invention can be used in the present invention without the need for creative labor by those skilled in the art.
Specifically, the 19 third air outlets 131 are equidistantly arranged on the n-shaped ventilation duct 130, so that the temperature uniformity of each area in the drying room can be ensured.
Specifically, the third air outlet 131 is rectangular, so that the air output is large, the hot air circulation efficiency is improved, and the time required for drying the lost foam is shortened.
Specifically, the air outlet of the third air outlet 131 faces the center of the bottom of the drying room main body 100, and faces the center of the drying room main body 100 at an angle of 45 degrees to the ground.
Specifically, the distance between two adjacent third air outlets 131 is 1.5 m. The temperature of each area in the drying room main body 100 can be ensured to be the same, and the complete drying of the lost foam is ensured.
Specifically, the distance between the n-shaped ventilation duct 130 and the side wall surface of the drying room main body 100 is 0.1m, so that the n-shaped ventilation duct 130 is prevented from being directly contacted with the side wall surface of the drying room main body 100, and the temperature of hot air is prevented from being reduced.
Specifically, be equipped with temperature monitoring system in the baking house main part 100, temperature monitoring system is connected with circulation air heater 200, it needs to explain, in this embodiment temperature monitoring system is the direct application to prior art, the skilled person need not pay creative work for this reason, temperature monitoring system includes temperature sensor, treater and controller, temperature sensor collects the temperature information in the baking house main part 100 and transmits for the treater, the treater turns into it and transmits for the controller into specific numerical value, the controller is compared through the current temperature of baking house and settlement temperature, when the current temperature of baking house is less than the settlement temperature, controller control circulation air heater 200 opens, reach the settlement temperature or when being higher than the settlement temperature, controller control circulation air heater 200 closes, can reduce the energy consumption, and the cost is saved.
Specifically, the bottom of the drying room main body 100 is provided with 7 supporting columns 140 for supporting the n-shaped ventilation duct 130, so that the n-shaped ventilation duct 130 is prevented from being directly connected with the bottom of the drying room main body 100, and the temperature of hot air is reduced or the air outlet is influenced.
Specifically, 7 support columns 140 equidistance setting, interval 4m between two adjacent support columns 140 guarantees that "n" shape air pipe 130 overall structure is firm reliable, has higher steadiness.
Specifically, the distance between the n-shaped ventilation duct 130 and the bottom of the drying room main body 100 is 0.2 m.
When the drying room is used, the circulating hot air blower needs to be preheated to 55 ℃ which is set by the process in advance for 1 hour, and the lost foam which needs to be dried can be completely dried after 12 hours after the lost foam is put into the drying room main body 100.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.
Claims (10)
1. The utility model provides an use disappearance mould baking house of circulation air heater, its characterized in that, includes baking house main part (100), circulation air heater (200), air-supply line (300) and air-out pipeline (400), the lateral wall face bottom of baking house main part (100) is equipped with first air intake (110), the lateral wall face top of baking house main part (100) is equipped with first air outlet (120), be equipped with second air intake and second air outlet on circulation air heater (200), be equipped with "n" shape air pipe (130) in baking house main part (100), the one end and the second air outlet of air-supply line (300) are connected, the other end of air-supply line (300) passes first air intake (110) and is connected with "n" shape air pipe (130), the one end and the second air intake of air-out pipeline (400) are connected, the other end of air-out pipeline (400) passes first air outlet (120) and baking house main part (100) internal connection, the n-shaped ventilation pipeline (130) is provided with a plurality of third air outlets (131).
2. The drying room using circulating air heaters of claim 1, wherein the third air outlets (131) are equidistantly arranged on the n-shaped ventilation duct (130).
3. The drying room using circulating air heaters of claim 1, wherein the third air outlet (131) is rectangular.
4. The drying room using the evaporative cooling fan as set forth in claim 1, wherein the third outlet (131) is directed toward the center of the bottom of the drying room main body (100).
5. The drying room using circulating hot air blower of claim 2, wherein the distance between the adjacent third air outlets (131) is 1.5 m.
6. A disappearing mould drying room using circulating air heater as claimed in claim 1, characterized in that the distance between the "n" -shaped ventilation duct (130) and the side wall surface of the drying room main body (100) is 0.1 m.
7. A disappearing mould drying room using circulating air heater according to claim 1, characterized in that the inside of the drying room main body (100) is provided with a temperature monitoring system, and the temperature monitoring system is connected with the circulating air heater (200).
8. A disappearing mould drying room using circulating air heater according to claim 1, characterized in that the bottom of the drying room main body (100) is provided with a plurality of supporting columns (140) for supporting the "n" shaped ventilation ducts (130).
9. A disappearing mould drying room using circulating air heater according to claim 8, characterized in that the supporting columns (140) are arranged equidistantly.
10. A disappearing mould drying room using circulating air heater according to claim 8, characterized in that the distance between the "n" -shaped ventilation duct (130) and the bottom of the drying room body (100) is 0.2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121297201.4U CN215571698U (en) | 2021-06-10 | 2021-06-10 | Lost foam drying room using circulating air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121297201.4U CN215571698U (en) | 2021-06-10 | 2021-06-10 | Lost foam drying room using circulating air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215571698U true CN215571698U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121297201.4U Active CN215571698U (en) | 2021-06-10 | 2021-06-10 | Lost foam drying room using circulating air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215571698U (en) |
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2021
- 2021-06-10 CN CN202121297201.4U patent/CN215571698U/en active Active
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