Box-type furnace capable of rapidly cooling

Abstract

The utility model discloses a fast cooling box-type furnace, which comprises a furnace front wall, a furnace rear wall, a furnace side wall and a furnace bottom wall, the furnace front wall, the furnace rear wall, the furnace side wall and the furnace bottom wall are enclosed to form the box-type furnace, and a furnace door is arranged on the furnace front wall; clamping cavities are formed in the furnace rear wall, the furnace side walls and the furnace bottom wall, the clamping cavities of the furnace rear wall, the furnace side walls and the furnace bottom wall are independent of one another and do not communicate with one another, and a furnace door water cooling box is arranged on the furnace front wall and surrounds the furnace door; according to the utility model, through the arrangement of the clamping cavity, when the cooling water passes through the clamping cavity, the cooling water can directly absorb the heat of the furnace wall and quickly take away the heat, so that the reduction speed of the temperature in the furnace is accelerated, the process period can be shortened, the operation time of equipment is shortened, and the energy is saved; and the cooling water is uniformly distributed on the periphery of the furnace wall, so that the temperature distribution in the whole furnace chamber is more uniform, and the problem of local overheating or supercooling is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to box type furnace technical field, especially relate to a box type furnace of quick cooling. BACKGROUND

[0002] The box type furnace is a common heat treatment equipment, and is widely applied to the heating, annealing, quenching, tempering and other heat treatment processes of metal materials.

[0003] A large amount of heat is generated in the heating process of the box type furnace, and cooling needs to be carried out after heating. The box type furnace in the prior art is cooled by setting a forced air cooling structure. However, the forced air cooling method depends on the distribution of air flow. If the air flow is unevenly distributed, the temperature distribution in the furnace will be uneven, and some areas may be cooled too quickly, while other areas may be cooled too slowly. In addition, the heat transfer efficiency is low due to the low thermal conductivity of air, which may result in a slow cooling speed. CONTENT OF THE UTILITY MODEL

[0004] In view of the problems in the prior art, the utility model provides the following technical scheme.

[0005] The utility model provides a box type furnace of quick cooling, which comprises:

[0006] A furnace front wall, a furnace rear wall, furnace side walls and a furnace bottom wall are arranged to form a box type furnace, and a furnace door is arranged on the furnace front wall.

[0007] A clamping cavity is arranged in each of the furnace rear wall, the furnace side walls and the furnace bottom wall, and the clamping cavities of the furnace rear wall, the furnace side walls and the furnace bottom wall are independent and not connected with each other. A furnace door water cooling box is arranged on the furnace front wall and surrounds the furnace door.

[0008] Cooling water is filled in the clamping cavities and the furnace door water cooling box.

[0009] As a preferred embodiment of the above technical scheme, a plurality of reinforcing ribs are arranged on the furnace rear wall and the furnace side walls at intervals.

[0010] As a preferred embodiment of the above technical scheme, a water inlet pipe one and a water outlet pipe one are arranged on the furnace rear wall and the furnace side walls and are connected with the respective clamping cavities, and the water inlet pipe one is arranged at a position lower than the water outlet pipe one.

[0011] As a preferred embodiment of the above technical scheme, a water inlet pipe three and a water outlet pipe three are arranged on the furnace bottom wall and are connected with the clamping cavity of the furnace bottom wall.

[0012] As a preferred embodiment of the above technical scheme, a water inlet pipe two and a water outlet pipe two are arranged on the furnace door water cooling box.

[0013] The utility model has the following beneficial effects:

[0014] (1) The utility model discloses a cavity is set up, when cooling water passes through the cavity, can directly absorb the heat of furnace wall, rapidly takes away heat, thereby speeds up the temperature drop rate in the furnace, thereby can shorten the process cycle, reduces the operation time of equipment, saves energy, and because cooling water is evenly distributed around the furnace wall, can ensure that the temperature distribution in the whole furnace cavity is more uniform, avoids the problem of local overheating or supercooling.

[0015] (2) The utility model discloses a furnace door water cooling box is set up, directly absorbs the heat around the furnace door through circulating cooling water, can rapidly reduce the temperature of furnace door, speeds up the cooling speed, can improve the operation safety of operator. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 Fig. 1 shows the overall schematic diagram of the box furnace in the embodiment Figure 1 ;

[0017] Figure 2 Fig. 1 shows the overall schematic diagram of the box furnace in the embodiment Figure 2 ;

[0018] Figure 3 Fig. 2 shows the partial sectional view schematic diagram in the embodiment Figure 1 ;

[0019] Reference signs: 11, furnace front wall; 12, furnace back wall; 13, furnace side wall; 14, furnace bottom wall; 21, cavity; 22, furnace door water cooling box; 23, water inlet pipe one; 24, water outlet pipe one; 25, water inlet pipe two; 26, water outlet pipe two; 27, water inlet pipe three; 28, water outlet pipe three; 30, reinforcing rib. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the following will combine the embodiment to the utility model technical scheme clear, complete description.

[0021] EMBODIMENT

[0022] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 1 Fig. 1 shows the overall schematic diagram of the box furnace in the embodiment Figure 1 ; Figure 2 Fig. 1 shows the overall schematic diagram of the box furnace in the embodiment Figure 2 ; Figure 3 Fig. 2 shows the partial sectional view schematic diagram in the embodiment Figure 1 ;

[0023] The device comprises:

[0024] A furnace front wall 11, a furnace back wall 12, a furnace side wall 13 and a furnace bottom wall 14 are arranged to form a box furnace, and the furnace front wall 11 is provided with a furnace door;

[0025] The furnace back wall 12, the furnace side wall 13 and the furnace bottom wall 14 are each provided with a clamping cavity 21, and the clamping cavities 21 of the furnace back wall 12, the furnace side wall 13 and the furnace bottom wall 14 are independent and not connected to each other, and the furnace front wall 11 is provided with a furnace door water cooling box 22 around the furnace door;

[0026] The clamping cavities 21 and the furnace door water cooling box 22 are filled with circulating cooling water.

[0027] The furnace door water cooling box 22 is arranged to directly absorb the heat around the furnace door through the circulating cooling water, which can quickly reduce the temperature of the furnace door and accelerate the cooling speed, thereby improving the operation safety of the operator.

[0028] The clamping cavities 21 are arranged to directly absorb the heat of the furnace wall when the cooling water passes through the clamping cavities 21, which can quickly take away the heat and thereby accelerate the temperature drop speed in the furnace, thereby shortening the process cycle, reducing the operation time of the equipment and saving energy;

[0029] Moreover, the cooling water is uniformly distributed around the furnace wall, which can ensure that the temperature distribution in the entire furnace cavity is more uniform and avoid the problems of local overheating or overcooling;

[0030] Moreover, the cooling water can be effectively recycled and reused by transferring the heat to other systems that need to be heated through a heat exchanger, thereby reducing the overall energy consumption;

[0031] In addition, the cooling rate can be accurately controlled by adjusting the flow and temperature of the cooling water to meet the requirements of different materials and processes for the cooling speed.

[0032] As shown in Figure 1 , Figure 2 , Figure 1 , a schematic diagram of the box furnace in the embodiment is shown Figure 1 ; Figure 2 , a schematic diagram of the box furnace in the embodiment is shown Figure 2 ;

[0033] The furnace back wall 12 and the furnace side wall 13 are each provided with a plurality of reinforcing ribs 30 at intervals;

[0034] The reinforcing ribs 30 are arranged to improve the strength of the corresponding furnace wall and ensure that the furnace wall can withstand a certain water pressure to avoid deformation of the furnace wall.

[0035] As shown in Figure 2 , Figure 2 , a schematic diagram of the box furnace in the embodiment is shown Figure 3;.

[0036] The furnace rear wall 12 and the furnace side wall 13 are both provided with water inlet pipe one 23 and water outlet pipe one 24 which are communicated with the respective clamping cavities 21, and the water inlet pipe one 23 is arranged lower than the water outlet pipe one 24.

[0037] The water inlet pipe one 23 is arranged lower than the water outlet pipe one 24, so that the natural flow path of the water flow is smoother, and the possibility of pressure fluctuation is reduced.

[0038] The furnace bottom wall 14 is provided with water inlet pipe three 27 and water outlet pipe three 28 which are communicated with the clamping cavities 21.

[0039] As shown in the drawings, Figure 3 , the partial cross-sectional schematic view in the furnace door water cooling box 22 is shown. Figure 1 ​

[0040] The furnace door water cooling box 22 is provided with water inlet pipe two 25 and water outlet pipe two 26;

[0041] The water inlet pipe two 25 and the water outlet pipe two 26 are communicated with the cavity inside the furnace door water cooling box 22, and the water inlet pipe two 25 is arranged lower than the water outlet pipe two 26.

[0042] Working principle: by circulating filling cooling water in the clamping cavities 21 of the furnace rear wall 12, the furnace side wall 13 and the furnace bottom wall 14 and in the furnace door water cooling box 22, the heat of each furnace wall is absorbed, and the heat is quickly taken away, so as to accelerate the temperature drop speed in the furnace, shorten the process cycle, reduce the running time of the equipment, and save energy.

[0043] The above examples are only used to illustrate the technical solutions of the utility model, and not to limit them.​​

Claims

1. A box-type furnace for rapid cooling, comprising a front wall (11), a rear wall (12), a side wall (13), and a bottom wall (14), wherein the front wall (11), rear wall (12), side wall (13), and bottom wall (14) enclose a box-type furnace, and a furnace door is provided on the front wall (11), characterized in that: The rear wall (12), side wall (13) and bottom wall (14) of the furnace are all provided with cavities (21). The cavities (21) of the rear wall (12), side wall (13) and bottom wall (14) are independent and not connected to each other. A furnace door water-cooling box (22) is provided on the front wall (11) and around the furnace door. Cooling water is circulated in the clamping cavity (21) and the furnace door water-cooling box (22).

2. The box furnace for rapid cooling according to claim 1, characterized in that, Several reinforcing ribs (30) are provided at intervals on the rear wall (12) and side wall (13) of the furnace.

3. The box furnace for rapid cooling according to claim 1, characterized in that, The rear wall (12) and side wall (13) of the furnace are each provided with a water inlet pipe (23) and a water outlet pipe (24) that are connected to their respective cavities (21). The water inlet pipe (23) is positioned lower than the water outlet pipe (24).

4. A box furnace for rapid cooling according to claim 1, characterized in that, The furnace bottom wall (14) is provided with a water inlet pipe (27) and a water outlet pipe (28) that are connected to its cavity (21).

5. A box furnace for rapid cooling according to claim 1, characterized in that, The furnace door water-cooled box (22) is equipped with a second water inlet pipe (25) and a second water outlet pipe (26).

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