CN210718677U - Quick cooling device for heat furnace - Google Patents

Abstract

The utility model discloses a quick cooling device for a heating furnace, which comprises at least one exhaust pipe, at least one heat exchanger and an exhaust fan, wherein the exhaust pipe is arranged outside a furnace tube; the air inlet of the exhaust pipe is communicated to the high-temperature gas in the furnace pipe, and the air outlet of the exhaust pipe is communicated to the air inlet of the heat exchanger; the air outlet of the heat exchanger is communicated to the air inlet of the exhaust fan, and the heat exchanger is used for cooling high-temperature gas; the exhaust fan is used for extracting the gas flowing through the heat exchanger and exhausting the gas out of the heat exchanger through an exhaust port of the exhaust fan. The utility model discloses can directly take away interior high temperature gas rapidly, make the interior product temperature of stove descend rapidly, the cooling rate is fast, and the cooling effect is obvious.

Description

Quick cooling device for heat furnace

Technical Field

The utility model relates to a boiler tube heat dissipation technical field especially relates to a hot stove quick cooling device.

Background

The hot furnace is an important production device necessary for the photovoltaic semiconductor industry, on one hand, in order to improve the heating rate and the safety, the hot furnace must use a very good heat-insulating material, the temperature of the shell of the furnace tube is ensured to be very low, and the heat conductivity coefficient of the hot furnace tube is very small (less than 0.2W/m), which inevitably leads to the very slow cooling speed of the hot furnace. In order to improve the working efficiency of the heating furnace, the cooling speed becomes the bottleneck restricting the production efficiency, and how to solve the problem of rapid cooling of the heating furnace, the prior art only carries out water cooling or air cooling on the shell of the furnace tube generally. The product is placed in a quartz tube 11 ' (furnace pipe), the normal cooling process is as shown by the arrow in fig. 1, the heat energy of the product is radiated to a furnace wall 13 ', high-temperature gas 15 ' is arranged between the quartz tube 11 ' and the furnace wall 13 ', the heat energy is conducted from the furnace wall 13 ' to a furnace tube shell 14 ' through a furnace wall 12 ' (temperature-resistant fireproof material and heat-insulating material), and then the heat energy is radiated and naturally convected to the external environment through the furnace tube shell 14 '.

The furnace tube shell 14 ' is water-cooled or air-cooled, and because the heat insulation performance of the heat insulation material is very good, the heat of the product in the furnace is conducted to the outer surface of the furnace tube shell 14 ' very slowly, the influence on the interior of the furnace is very difficult no matter which scheme is adopted for cooling the furnace tube shell 14 ', and the problem of rapid transfer of the internal heat energy is difficult to fundamentally solve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hot stove quick cooling device can directly take away the interior high temperature gas of stove rapidly, makes the interior product temperature of stove descend rapidly, and the cooling rate is fast, and the cooling effect is obvious.

In order to realize the purpose, the following technical scheme is adopted:

a quick cooling device for a hot furnace comprises at least one exhaust pipe, at least one heat exchanger and an exhaust fan, wherein the exhaust pipe, the at least one heat exchanger and the exhaust fan are arranged outside a furnace pipe; the air inlet of the exhaust pipe is communicated to the high-temperature gas in the furnace pipe, and the air outlet of the exhaust pipe is communicated to the air inlet of the heat exchanger; the air outlet of the heat exchanger is communicated to the air inlet of the exhaust fan, and the heat exchanger is used for cooling high-temperature gas; the exhaust fan is used for extracting the gas flowing through the heat exchanger and exhausting the gas out of the heat exchanger through an exhaust port of the exhaust fan.

Preferably, the heat exchanger includes a heat dissipation tube, the heat dissipation tube is of a winding structure, an air inlet of the heat dissipation tube is communicated with an air outlet of the exhaust pipe, and an air outlet of the heat dissipation tube is communicated with an air inlet of the exhaust fan.

Preferably, the heat exchanger further comprises a water cooling mechanism disposed near the heat dissipation pipe, for performing water cooling treatment on the high-temperature gas in the heat dissipation pipe.

Preferably, the heat exchanger further comprises an air cooling mechanism arranged near the radiating pipe and used for carrying out air cooling treatment on the high-temperature gas in the radiating pipe.

Preferably, the winding structure of the radiating pipe is a spiral corrugated structure.

Preferably, the exhaust pipe is communicated with the furnace pipe and is used for exhausting high-temperature gas between the furnace pipe and the furnace wall of the furnace pipe.

Preferably, the exhaust pipe is made of high-temperature-resistant stainless steel.

Preferably, the exhaust fan is a centrifugal exhaust fan.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

the utility model discloses a high-temperature gas between the furnace pipe of direct pair of boiler tube and the oven extracts to through the cooling tube of spiral corrugate, transfer heat energy to the stove hall outside fast, thereby neither influence the interior intensification of stove, can guarantee again that the product temperature descends rapidly in the furnace pipe, the cooling is fast, and the cooling effect is obvious, and simple structure easily realizes.

Drawings

FIG. 1 is a schematic view of a furnace tube;

fig. 2 is a perspective view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

wherein the figures identify the description:

1/1-furnace tube, 2-exhaust tube,

3-a heat exchanger, 4-an exhaust fan,

11/11 '-quartz tube, 11/12' -furnace wall,

13/13 '-furnace wall, 14/14' -furnace tube shell,

15/15' -hot gas, 31-radiating pipe,

32-water cooling mechanism.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 3, the present invention provides a rapid cooling device for a heating furnace, which comprises at least one exhaust pipe 2, at least one heat exchanger 3 and an exhaust fan 4, wherein the exhaust pipe 2, the at least one heat exchanger 3 and the exhaust fan 4 are arranged outside a furnace tube 1; the air inlet of the exhaust pipe 2 is communicated to the high-temperature gas 15 in the furnace tube 1, the air outlet of the exhaust pipe 2 is communicated to the air inlet of the heat exchanger 3, and the exhaust pipe 2 is made of high-temperature-resistant stainless steel. An air outlet of the heat exchanger 3 is communicated to an air inlet of the exhaust fan 4, and the heat exchanger 3 is used for cooling the high-temperature gas 15; the exhaust fan 4 is used for extracting the gas flowing through the heat exchanger 3 and exhausting the gas to the outside through an exhaust port of the heat exchanger, and the exhaust fan 4 can be a centrifugal exhaust fan.

Wherein, heat exchanger 3 includes cooling tube 31, and cooling tube 31 is winding structure, and the air inlet of cooling tube 31 communicates with the gas outlet of blast pipe 2, and the gas outlet of cooling tube 31 communicates with the air inlet of air exhauster 4. The heat pipe 31 may be naturally cooled, and in order to enhance the cooling effect, the heat pipe 31 may be air-cooled or water-cooled.

In one embodiment, as shown in fig. 3, the heat exchanger 3 further includes a water cooling mechanism 32 disposed near the heat dissipating pipe 31 for performing a water cooling process on the high temperature gas 15 in the heat dissipating pipe 31. Preferably, the water cooling mechanism 32 is a water cooling tank, and the water cooling tank is nested around the radiating pipe 31.

In another embodiment, the heat exchanger 3 further comprises an air cooling mechanism (not shown) disposed near the heat dissipating pipe 31 for performing an air cooling process on the high temperature gas in the heat dissipating pipe 31. Preferably, the air cooling mechanism employs an air cooling machine.

The winding structure of the radiating pipe 31 is a spiral corrugated structure, and the spiral corrugated radiating pipe 31 can contact the ambient air in the largest area, so that the air convection and the radiation energy are maximized, and the temperature of the high-temperature gas 15 in the radiating pipe 31 is rapidly reduced.

With continued reference to FIG. 3, the exhaust pipe 2 communicates and serves to exhaust the high temperature gas 15 between the furnace shell and the furnace wall 13 of the furnace tube 1. The tail end of the furnace tube shell 14 is provided with a tail cover, and the exhaust tube 2 passes through the tail cover and extends to be communicated between the furnace pipe and the furnace wall 13. Increase one or more high temperature resistant stainless steel blast pipes on the tail-hood of boiler tube shell 14, blast pipe 2 connects the cooling tube 31 again, through the gas after air cooling or water-cooling, connect to centrifugal exhaust fan 4's air inlet, centrifugal exhaust fan 4's gas vent then discharges gas to external exhaust duct, do not need to radiate high-temperature gas 15 through 12 to boiler tube shells 14 heat dissipations of brickwork, just can realize the 15 heats of high-temperature gas in the stove and have transferred to the furnace hall exterior space fast, thereby realize that the inside product temperature of furnace courage (quartz capsule 11) descends fast.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A quick cooling device for a hot furnace is characterized by comprising at least one exhaust pipe, at least one heat exchanger and an exhaust fan, wherein the exhaust pipe, the at least one heat exchanger and the exhaust fan are arranged outside a furnace pipe; the air inlet of the exhaust pipe is communicated to the high-temperature gas in the furnace pipe, and the air outlet of the exhaust pipe is communicated to the air inlet of the heat exchanger; the air outlet of the heat exchanger is communicated to the air inlet of the exhaust fan, and the heat exchanger is used for cooling high-temperature gas; the exhaust fan is used for extracting the gas flowing through the heat exchanger and exhausting the gas out of the heat exchanger through an exhaust port of the exhaust fan.

2. The rapid cooling apparatus for a heating furnace as claimed in claim 1, wherein the heat exchanger comprises a heat dissipating tube, the heat dissipating tube is in a winding structure, an air inlet of the heat dissipating tube is communicated with an air outlet of the exhaust pipe, and an air outlet of the heat dissipating tube is communicated with an air inlet of the exhaust fan.

3. The rapid cooling apparatus for a thermal furnace as defined in claim 2 wherein the heat exchanger further comprises a water cooling mechanism disposed adjacent the heat pipe for water cooling the hot gas in the heat pipe.

4. The rapid furnace cooling apparatus of claim 2 wherein the heat exchanger further comprises an air cooling mechanism disposed adjacent the heat pipe for air cooling the hot gas within the heat pipe.

5. The hot furnace rapid cooling apparatus of claim 2 wherein the coil structure of the heat pipe is provided as a spiral corrugated structure.

6. The furnace rapid cooling apparatus of claim 1 wherein the exhaust duct is in communication with and adapted to exhaust high temperature gases between the furnace shell and the furnace wall of the furnace tube.

7. The hot furnace rapid cooling device of claim 6, wherein the exhaust tube is made of a high temperature resistant stainless steel.

8. The hot furnace rapid cooling device of claim 1, wherein the suction fan is a centrifugal suction fan.

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