CN215572070U - Ventilation cooling device for cooling section of tunnel kiln - Google Patents
Ventilation cooling device for cooling section of tunnel kiln Download PDFInfo
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- CN215572070U CN215572070U CN202122055912.7U CN202122055912U CN215572070U CN 215572070 U CN215572070 U CN 215572070U CN 202122055912 U CN202122055912 U CN 202122055912U CN 215572070 U CN215572070 U CN 215572070U
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Abstract
The utility model relates to the technical field of ventilation of tunnel kilns, and provides a ventilation cooling device for a cooling section of a tunnel kiln. Through above-mentioned technical scheme, the problem that the cooling effect is not good in the tunnel cave cooling zone among the correlation technique has been solved.
Description
Technical Field
The utility model relates to the technical field of ventilation of tunnel kilns, in particular to a ventilation cooling device for a cooling section of a tunnel kiln.
Background
The tunnel kiln is generally a long straight tunnel with fixed walls and vaults on both sides and at the top, and a kiln car running on a track laid at the bottom. The combustion equipment is arranged at two sides of the middle part of the tunnel kiln to form a fixed high-temperature zone, namely a burning zone, high-temperature flue gas generated by combustion flows towards the kiln head along the tunnel under the action of a chimney or an induced draft fan at the front end of the tunnel kiln, and simultaneously gradually preheats products entering the kiln, and the section forms a preheating zone of the tunnel kiln. Blowing cold air into the tail of the tunnel kiln to cool the products in the later section of the tunnel kiln, pumping the blown cold air to the dryer to be used as a heat source for drying green bodies after the blown cold air flows through the products to be heated, and forming a cooling zone of the tunnel kiln.
In the cooling process, if the temperature of the fed cold air is too low, the product is easy to quench and crack when flowing through the product, and if the temperature of the fed cold air is not low enough when flowing through the product, the product cannot be cooled sufficiently; in the cooling air section, products are stacked together, so that the phenomenon of uneven cooling of the products occurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a ventilation cooling device for a cooling section of a tunnel kiln, which solves the problem of poor cooling effect of the cooling section of the tunnel kiln in the related technology.
The technical scheme of the utility model is as follows:
a ventilation cooling device for a cooling section of a tunnel kiln comprises a cooling kiln section with an air inlet, a first air cooler communicated with the air inlet, and a second air cooler,
and the cooling water pipe is arranged at one end, close to the air inlet, of the cooling kiln section and is in a spiral shape.
As a further technical solution, it also includes,
the cooling air pipe is spiral and is sleeved on the cooling water pipe, a cold air space is formed between the cooling air pipe and the cooling water pipe, the cooling air pipe is provided with a cold air inlet and a cold air outlet, and the cold air outlet is positioned in the cooling kiln section;
and the second air cooler is communicated with the cold air inlet.
As a further technical solution, it is proposed that,
and the cold air outlet is arranged along the spiral direction of the cooling air pipe and is tangent to the vault of the cooling kiln section.
As a further technical solution, it also includes,
and the air supply hole is formed in the cooling air pipe.
As a further technical solution, it is proposed that,
the pitch of the cooling water pipes increases in the direction in which the cooling water pipes go deeper into the cooling kiln section.
As a further technical solution, it also includes,
the support frames are arranged in the cooling kiln section at intervals;
the conveying surface is arranged on the supporting frame and used for conveying the trolley filled with the products, and the conveying surface is provided with a ventilation hole.
The working principle and the beneficial effects of the utility model are as follows:
in the application, in order to solve the problem of poor cooling effect of the cooling section of the tunnel kiln, a cooling water pipe is arranged at one end of the cooling kiln section close to an air inlet, the cooling water pipe is spiral, in the prior art, a first air cooler is communicated with the air inlet, cold air is blown into the cooling kiln section through the air inlet, if the temperature is not well controlled, the product is easy to crack due to too low temperature when cold air passes through the product, and the product cooling effect is poor due to too high temperature, therefore, the cooling water pipe is arranged at the inlet and is filled with circulating water, when cold air enters, the heat exchange is carried out between the cooling water pipe and the cooling water pipe, thus realizing the temperature control of the cold air blown into the cooling kiln section, when the temperature of the products blown by the cold air is too low, the temperature of circulating water in the cooling water pipe can be adjusted upwards, so that the temperature of blown cold air is higher; when the temperature that cold wind insufflates the goods is not low enough, can down regulate the temperature of condenser tube internal recycle water to it is lower to make the cold wind temperature of insufflating, and is better to the cooling effect of goods. And, if the cooling effect of goods is not good, that along with the continuous travel of platform truck, finally can come out from the cooling kiln section through condenser tube, and during the condenser tube, spiral helicine condenser tube can carry out further cooling to the goods on the platform truck, realizes better cooling effect.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view from a certain perspective of the present invention;
FIG. 3 is a cross-sectional view from another perspective of the present invention;
in the figure: 1. the air inlet, 2, the cooling kiln section, 4, the cooling water pipe, 5, the cooling air pipe, 6, the cold air space, 7, the cold air inlet, 8, the cold air outlet, 10, the air supply hole, 11, the support frame, 12, the conveying surface, 13 and the air vent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to fig. 3, the present embodiment provides a ventilation cooling device for a cooling section of a tunnel kiln, which includes a cooling kiln section 2 having an air inlet 1, a first air cooler communicated with the air inlet 1, and further includes,
and the cooling water pipe 4 is arranged at one end of the cooling kiln section 2 close to the air inlet 1, and the cooling water pipe 4 is in a spiral shape.
In the application, in order to solve the problem of poor cooling effect of the cooling section of the tunnel kiln, a cooling water pipe 4 is arranged, the cooling water pipe 4 is arranged at one end of the cooling kiln section 2 close to an air inlet 1, the cooling water pipe 4 is spiral, in the prior art, a first air cooler is communicated with the air inlet 1, cold air is blown into the cooling kiln section 2 through the air inlet 1, if the temperature control is poor, the temperature of the cold air is too low when the cold air passes through a product, so that the product is easy to crack, and the temperature is too high, so that the product cooling effect is poor, the cooling water pipe 4 is arranged at an inlet, circulating water is filled in the cooling water pipe 4, when the cold air enters, the heat exchange can be carried out with the cooling water pipe 4, so that the temperature control of the cold air blown into the cooling kiln section 2 is realized, and when the temperature of the cold air blown into the product is too low, the temperature of the circulating water in the cooling water pipe can be adjusted upwards, thereby the temperature of the blown cold air is higher; when the temperature that cold wind blows into the goods is not low enough, can down regulate the temperature of 4 internal circulating water of condenser tube to it is lower to make the cold wind temperature of blowing in, and is better to the cooling effect of goods. And, if the cooling effect of goods is not good, that along with the continuous travel of platform truck, finally can come out from cooling kiln section 2 through condenser tube, when condenser tube 4, the spiral helicine condenser tube can carry out further cooling to the goods on the platform truck, realizes better cooling effect.
Further, the method also comprises the following steps of,
the cooling air pipe 5 is spiral and is sleeved on the cooling water pipe 4, a cold air space 6 is formed between the cooling air pipe 5 and the cooling water pipe 4, the cooling air pipe 5 is provided with a cold air inlet 7 and a cold air outlet 8, and the cold air outlet 8 is positioned in the cooling kiln section 2;
and the second air cooler is communicated with the cold air inlet 7.
In this application, in order to be able to evenly cool off the goods on the platform truck, cooling air duct 5 has been set up, cooling air duct 5 is the heliciform, the cover is established on condenser tube 4, and form cold wind space 6 between condenser tube 4, cooling air duct 5 has cold wind entry 7 and cold wind export 8, the second air-cooler leads to cold wind entry 7 in, cold wind blows in cold wind space 6, carry out abundant heat exchange with condenser tube 4, then blow off through cold wind export 8, when wind blows off like this, the temperature is more suitable, and after the air-out, the wind direction is the heliciform, can drive the air in the cooling kiln section 2 and fully flow, make the temperature in the cooling kiln section 2 balanced, thereby make the goods cooling even.
Further, the cold air outlet 8 is arranged along the spiral direction of the cooling air pipe 5 and is tangent with the vault of the cooling kiln section 2.
In the application, if the cooling kiln section 2 is very high, the upper and lower temperature difference in the cooling kiln section 2 is very large, in order to balance the temperature difference and further promote the uniform cooling of products, the cold air outlet 8 is arranged along the spiral direction of the cooling air pipe 5 and is tangent to the vault of the cooling kiln section 2, so that after the cold air is blown out, the cold air can flow along the vault, the hot air at the upper part of the cooling kiln section 2 can be pushed to flow towards the lower part of the cooling kiln section 2, and a temperature cycle is formed,
further, the cooling air duct comprises an air supply hole 10, and the air supply hole 10 is arranged on the cooling air duct 5.
In this application, in order to make the spiral flow direction of the air blown out from the cold air outlet 8 more obvious, a plurality of air supply holes 10 are arranged on the cooling air duct 5, and the air supply holes 10 can be tangent to the spiral line of the cooling air duct 5.
Further, the pitch of the cooling water pipes 4 increases in the direction in which the cooling water pipes 4 go deeper into the cooling kiln section 2.
In this application, because behind cold wind entering cooling kiln section 2 of itself, the temperature risees gradually, in order to reduce thermal waste, along condenser tube 4 deepening the direction of cooling kiln section 2 more, condenser tube 4's pitch increase to at the in-process that the platform truck rolled out, also can progressively cool off.
Further, the method also comprises the following steps of,
the support frames 11 are arranged in the cooling kiln section 2 at intervals;
the conveying surface 12 is arranged on the support frame 11, the conveying surface 12 is used for conveying a trolley filled with products, and the conveying surface 12 is provided with a vent hole 13.
In the application, after the cooling water pipe 4 and the cooling air pipe 5 are added, in order to achieve a better cooling effect, the trolley can be arranged higher, and the ventilation performance is better, so that the support frame 11 and the conveying surface 12 are arranged in the cooling kiln section 2, and the support frame 11 is arranged at intervals in order to avoid the cooling air pipe 5; the conveying surface 12 is arranged on the supporting frame 11, the conveying surface 12 is used for bearing a trolley filled with products, the conveying surface 12 is provided with a vent hole 13, and cold air can be blown to the products on the trolley from the vent hole 13.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A ventilation cooling device for a cooling section of a tunnel kiln comprises a cooling kiln section (2) with an air inlet (1), a first air cooler communicated with the air inlet (1), and is characterized by also comprising,
the cooling water pipe (4), the cooling water pipe (4) set up cooling kiln section (2) are close to the one end of income wind gap (1), cooling water pipe (4) are the heliciform.
2. The tunnel kiln cooling zone ventilation cooling device of claim 1, further comprising,
the cooling air pipe (5) is spiral and is sleeved on the cooling water pipe (4), a cold air space (6) is formed between the cooling air pipe (5) and the cooling water pipe (4), the cooling air pipe (5) is provided with a cold air inlet (7) and a cold air outlet (8), and the cold air outlet (8) is positioned in the cooling kiln section (2);
and the second air cooler is communicated with the cold air inlet (7).
3. The tunnel kiln cooling zone ventilation cooling device of claim 2,
and the cold air outlet (8) is arranged along the spiral direction of the cooling air pipe (5) and is tangent to the vault of the cooling kiln section (2).
4. The tunnel kiln cooling zone ventilation cooling device of claim 2, further comprising,
and the air supply holes (10) are formed in the cooling air pipe (5), and the air supply holes (10) are formed in the cooling air pipe (5).
5. The tunnel kiln cooling zone ventilation cooling device of claim 1,
the pitch of the cooling water pipes (4) increases along the direction in which the cooling water pipes (4) penetrate into the cooling kiln section (2).
6. The tunnel kiln cooling zone ventilation cooling device of claim 1, further comprising,
the supporting frames (11), the supporting frames (11) are arranged in the cooling kiln section (2) at intervals;
the conveying surface (12), the conveying surface (12) sets up on support frame (11), conveying surface (12) are used for carrying the platform truck that is equipped with the goods, be provided with ventilation hole (13) on conveying surface (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202122055912.7U CN215572070U (en) | 2021-08-27 | 2021-08-27 | Ventilation cooling device for cooling section of tunnel kiln |
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CN202122055912.7U CN215572070U (en) | 2021-08-27 | 2021-08-27 | Ventilation cooling device for cooling section of tunnel kiln |
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CN215572070U true CN215572070U (en) | 2022-01-18 |
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CN202122055912.7U Active CN215572070U (en) | 2021-08-27 | 2021-08-27 | Ventilation cooling device for cooling section of tunnel kiln |
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2021
- 2021-08-27 CN CN202122055912.7U patent/CN215572070U/en active Active
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