Lost foam drying room for large castings

Abstract

The evanescent mode drying room comprises a machine body, a draught fan is fixedly installed on one side of the machine body, a second air inlet pipe is fixedly installed at the air inlet end of the draught fan, the second air inlet pipe is inserted into the machine body, a second air outlet pipe is fixedly installed at the air outlet end of the draught fan, and a heating bin is fixedly installed on one side of the machine body. An electric heating pipe is fixedly mounted in the heating bin, one end of the second air outlet pipe is inserted into the heating bin, a first air outlet pipe is fixedly mounted at the top of the heating bin, one end of the first air outlet pipe is inserted into the machine body, and a first valve is fixedly mounted on the first air outlet pipe; waste heat air in the drying machine body is pumped into the water storage tank, and cold water in the water storage tank is heated by pumping out waste heat, so that injury of hot air to workers is avoided, and the utilization rate of the waste heat is increased.

Description

Technical Field

[0001] The utility model relates to a drying room, in particular to a lost foam drying room used for large castings. Background Art

[0002] In the lost foam casting process, the white mold becomes a lost foam shell after being dipped in paint. A drying room is needed to dry the lost foam shell to avoid affecting the quality of casting.

[0003] In the prior art with announcement number CN213886980U, a double-layer baking room for drying lost foam coatings is proposed. By arranging symmetrical ventilation boxes inside the baking room and cooperating with an elliptical ceiling, hot air docking and flow are promoted, and exhaust holes are arranged at the bottom of the baking room. Such an exhaust and ventilation structure has high air circulation efficiency, and the utilization rate of hot air is high due to the long process, and the relative energy consumption utilization rate is increased.

[0004] However, the lost foam drying room proposed in the above-mentioned prior art has the waste heat inside that is directly discharged into the air after the door is opened, and the heat cannot be further utilized, resulting in heat waste. Therefore, the present application proposes a lost foam drying room for large castings to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a lost foam drying room for large castings, so as to solve the problem that the residual heat inside the lost foam drying room in the prior art proposed in the above background technology is directly discharged into the air after the door of the room is opened, and the heat cannot be further utilized, resulting in heat waste.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A lost foam drying room for large castings comprises a machine body, a fan is fixedly installed on one side of the machine body, a second air inlet pipe is fixedly installed on the air inlet end of the fan, the second air inlet pipe is inserted into the interior of the machine body, a second air outlet pipe is fixedly installed on the air outlet end of the fan, a heating bin is fixedly installed on one side of the machine body, an electric heating pipe is fixedly installed inside the heating bin, one end of the second air outlet pipe is inserted into the interior of the heating bin, a first air outlet pipe is fixedly installed on the top of the heating bin, one end of the first air outlet pipe is inserted into the interior of the machine body, a first valve is fixedly installed on the first air outlet pipe, a bottom plate is fixedly installed on the bottom of the machine body, a water storage tank is fixedly installed on one side of the top of the bottom plate, a liquid replenishing pipe is fixedly installed on the top of the water storage tank, a first air inlet pipe is fixedly installed on one side of the second air outlet pipe, a second valve is fixedly installed on one end of the first air inlet pipe inserted into the water storage tank, one end of the first air inlet pipe passes through the water storage tank and is inserted into the interior of the machine body, a third valve is fixedly installed on one end of the first air inlet pipe passing through the water storage tank, and a plurality of partition nets are fixedly installed inside the machine body.

[0008] As a further solution of the utility model: a liquid supplement pipe is fixedly installed at the top of the water storage tank, a water outlet pipe is fixedly installed at the bottom of one side of the water storage tank, and a water outlet valve is fixedly installed on the water outlet pipe.

[0009] As a further solution of the utility model: a closing door is hingedly arranged on the front side of the machine body.

[0010] As a further solution of the utility model: a temperature sensor is arranged on the machine body, the probe end of the temperature sensor is inserted into the interior of the machine body, the display end of the temperature sensor is fixed on the outer side of the machine body, and the temperature sensor is electrically connected to an external power supply.

[0011] As a further solution of the utility model: cushion blocks are symmetrically and fixedly installed on the inner bottom side of the machine body, and a fan is arranged on the top of the two cushion blocks together.

[0012] As a further solution of the utility model: a switch is fixedly installed on the front side of the water storage tank, the first valve, the second valve, the third valve, the electric heating tube, the blower and the fan are all electrically connected to the switch through wires, and the switch is electrically connected to an external power supply through wires.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. By pumping the waste heat air inside the drying machine body into the water storage tank and heating the cold water inside the water storage tank by extracting the waste heat, the utility model not only avoids the harm of hot air to the staff but also improves the utilization rate of waste heat.

[0015] 2. By driving the air inside the machine body to circulate and heat through the blower and using the fan to accelerate the flow of hot air inside the machine body, the drying effect is improved. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the utility model.

[0017] Figure 2 It is a top view of the partition net of the utility model.

[0018] Figure 3 It is a front view of the utility model.

[0019] 1. First air outlet pipe; 2. Electric heating tube; 3. Heating chamber; 4. First air inlet pipe; 5. Second air outlet pipe; 6. Blower; 7. Water outlet pipe; 8. Water storage tank; 9. Second air inlet pipe; 10. Bottom plate; 11. Fan; 12. Partition net; 13. Temperature sensor; 14. Machine body; 15. First valve; 16. Closing door; 17. Second valve; 18. Third valve. Detailed Embodiment

[0020] Next, in combination with the drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 3 , in the embodiment of the present utility model, a lost foam drying room for large castings includes a machine body 14. A blower 6 is fixedly installed on one side of the machine body 14. A second intake pipe 9 is fixedly installed at the intake end of the blower 6. The second intake pipe 9 is inserted into the machine body 14. A second outlet pipe 5 is fixedly installed at the outlet end of the blower 6. A heating chamber 3 is fixedly installed on one side of the machine body 14. An electric heating pipe 2 is fixedly installed inside the heating chamber 3. One end of the second outlet pipe 5 is inserted into the heating chamber 3. A first outlet pipe 1 is fixedly installed at the top of the heating chamber 3. One end of the first outlet pipe 1 is inserted into the machine body 14. A first valve 15 is fixedly installed on the first outlet pipe 1. A bottom plate 10 is fixedly installed at the bottom of the machine body 14. A water storage tank 8 is fixedly installed on one side of the top of the bottom plate 10. A liquid replenishing pipe is fixedly installed at the top of the water storage tank 8. A first intake pipe 4 is fixedly installed on one side of the second outlet pipe 5. A second valve 17 is fixedly installed at the end of the first intake pipe 4 inserted into the water storage tank 8. One end of the first intake pipe 4 penetrates through the water storage tank 8 and is inserted into the machine body 14. A third valve 18 is fixedly installed at the end of the first intake pipe 4 passing out of the water storage tank 8. A plurality of partition nets 12 are fixedly installed inside the machine body 14.

[0022] A liquid replenishing pipe is fixedly installed at the top of the water storage tank 8. A water outlet pipe is fixedly installed at the bottom on one side of the water storage tank 8. A water outlet valve is fixedly installed on the water outlet pipe, which is used for the replenishment of cold water and the discharge of hot water.

[0023] A closing door 16 is hingedly arranged on the front side of the machine body 14, which is convenient for taking and placing lost foam.

[0024] A temperature sensor 13 is arranged on the machine body 14. The probe end of the temperature sensor 13 is inserted into the machine body 14. The display end of the temperature sensor 13 is fixed on the outside of the machine body 14. The temperature sensor 13 is electrically connected to an external power supply, and the temperature inside the machine body 14 is detected by the temperature sensor 13.

[0025] On the bottom side inside the machine body 14, cushion blocks are symmetrically and fixedly installed. A fan 11 is arranged on the top of the two cushion blocks, which is used to accelerate the air flow inside the machine body 14.

[0026] A switch is fixedly installed on the front side of the water storage tank 8. The first valve 15, the second valve 17, the third valve 18, the electric heating tube 2, the fan 6 and the blower 11 are all electrically connected to the switch through wires, and the switch is electrically connected to an external power supply through wires.

[0027] The working principle of the present utility model is as follows:

[0028] When the present utility model is in use, open the closing door 16, place the lost foam on the partition net 12, close the closing door 16, extract the air inside the machine body 14 through the fan 6. Before starting the fan 6, close the second valve 17 on the first air inlet pipe 4. The air extracted from the inside of the machine body 14 passes through the inside of the heating chamber 3 and is heated by the electric heating tube 2. After heating, it enters the inside of the machine body 14 again through the first air outlet pipe 2. The heated air inside the machine body 14 has the effect of drying the lost foam. The blower 11 speeds up the flow rate of the hot air. The temperature sensor 13 is used to monitor the temperature inside the machine body 14 and display the specific temperature through the digital display 15. After the drying is completed, start the fan 6 and close the first valve 15 on the first air outlet pipe 1. At the same time, open the second valve 17 and the third valve 18 on the first air inlet pipe 4, so that the hot air inside the machine body 14 is drawn into the inside of the water storage tank 8 and circulates into the inside of the machine body 14. The water inside the water storage tank 8 is heated by the first air inlet pipe 4 through which the hot air flows, thereby improving the utilization rate of heat. After observing through the digital display 15 that the temperature inside the machine body 14 reaches a temperature that will not damage the staff, the closing door 16 can be opened and the lost foam can be taken out.

[0029] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A lost foam drying room for large castings, comprising a machine body (14), characterized in that: One side of the body (14) is fixedly installed with a blower (6). The air inlet end of the blower (6) is fixedly installed with a second air inlet pipe (9). The second air inlet pipe (9) is inserted into the interior of the body (14). The air outlet end of the blower (6) is fixedly installed with a second air outlet pipe (5). One side of the body (14) is fixedly installed with a heating chamber (3). An electric heating pipe (2) is fixedly installed inside the heating chamber (3). One end of the second air outlet pipe (5) is inserted into the interior of the heating chamber (3). The top of the heating chamber (3) is fixedly installed with a first air outlet pipe (1). One end of the first air outlet pipe (1) is inserted into the interior of the body (14). A first valve (15) is fixedly installed on the first air outlet pipe (1). The bottom of the body (14) is fixedly installed with a bottom plate (10). One side of the top of the bottom plate (10) is fixedly installed with a water storage tank (8). One side of the second air outlet pipe (5) is fixedly installed with a first air inlet pipe (4). A second valve (17) is fixedly installed on the end of the first air inlet pipe (4) inserted into the water storage tank (8). One end of the first air inlet pipe (4) penetrates through the water storage tank (8) and is inserted into the interior of the body (14). A third valve (18) is fixedly installed on the end of the first air inlet pipe (4) passing out of the water storage tank (8). A number of partition nets (12) are fixedly installed inside the body (14).

2. The lost foam drying room for large castings according to claim 1, characterized in that: A liquid supplement pipe is fixedly installed on the top of the water storage tank (8). A water outlet pipe is fixedly installed at the bottom on one side of the water storage tank (8). A water outlet valve is fixedly installed on the water outlet pipe.

3. The lost foam drying room for large castings according to claim 1, characterized in that: A closing door (16) is hingedly arranged on the front side of the body (14).

4. A lost foam drying room for large castings according to claim 1, characterized in that: A temperature sensor (13) is arranged on the body (14). The probe end of the temperature sensor (13) is inserted into the interior of the body (14). The display end of the temperature sensor (13) is fixed on the outside of the body (14). The temperature sensor (13) is electrically connected to an external power supply.

5. A lost foam drying room for large castings according to claim 1, characterized in that: On the bottom side inside the body (14), cushion blocks are symmetrically and fixedly installed. A fan (11) is arranged on the tops of the two cushion blocks together.

6. The lost foam drying room for large castings according to claim 5, characterized in that: A switch is fixedly installed on the front side of the water storage tank (8). The first valve (15), the second valve (17), the third valve (18), the electric heating pipe (2), the blower (6) and the fan (11) are all electrically connected to the switch through wires. The switch is electrically connected to an external power supply through a wire.

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