CN216694573U - Improved device for local cooling of hot air pipeline - Google Patents

Abstract

The utility model discloses an improved device for local cooling of a hot air pipeline, which comprises a base, wherein a hot air pipe is arranged on the base, a cooling part for local cooling is arranged on the hot air pipe, a cooling water tank is arranged on the base, and a control part connected with the cooling part is arranged on the cooling water tank. The improved device of the utility model determines the area of the hot blast pipe to be cooled, starts the control piece to control the water in the water supply tank to flow into the local position to be cooled for cooling, and can also carry out cooling simultaneously, the cooling pipeline is wound around the outer side of the hot blast pipe body, the cooling contact area is enlarged, the uniform cooling is achieved, and the cooling effect of the pipeline on the area surface is improved.

Description

Improved device for local cooling of hot air pipeline

Technical Field

The utility model relates to the field of cooling facilities, in particular to an improved device for local cooling of a hot air pipeline.

Background

The hot blast stove is a thermodynamic machine, is widely applied in China in the end of the 20 th century 70 s, and becomes an upgrading product of an electric heat source and a traditional steam power heat source in many industries. The hot blast stove has various types and complete series, and is divided into a hand-burning furnace and a machine-burning furnace by a coal feeding mode, and is divided into a coal furnace, an oil furnace, a gas furnace and the like by fuel types.

At present, the service life of a 2# furnace hot blast stove is long, and because the temperature of a plurality of pipelines inside a hot blast pipeline is high (more than or equal to 300 ℃), a refractory brick falls off and cracks are more, so that a plurality of local pipelines are possibly reddened and even blown out, and the blast furnace is forced to be stopped and slowly blown, so that adverse effects are brought to the safe production and the continuous stability of the blast furnace.

Traditional hot-blast main local cooling device adopts the oxygen lance mode to cool off, and the cooling facility can't cool off regional face pipeline, and cooling area is little, and the cooling effect is poor, can't satisfy the production requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved device for local cooling of a hot air pipe, which is characterized in that a region needing to be cooled of the hot air pipe is determined, a control part is started to control water in a water supply tank to flow into the local position needing to be cooled for cooling, and the water can be simultaneously cooled.

The purpose of the utility model can be realized by the following technical scheme:

the improved device comprises a base, wherein a hot air pipe is arranged on the base, a cooling part for local cooling is arranged on the hot air pipe, a cooling water tank is arranged on the base, and a control part connected with the cooling part is arranged on the cooling water tank.

Further, the base includes the backup pad, and the below of backup pad is equipped with the support column of array distribution.

Furthermore, the hot-blast main comprises a hot-blast main body, exhaust holes are formed in the hot-blast main body in an array distribution mode, U-shaped ventilation pipelines are arranged on the hot-blast main body in an array distribution mode, and a galvanized pipe used for guaranteeing pressure and flow of a cooling medium is arranged on the hot-blast main body.

Further, the cooling piece comprises a cooling pipeline which is circular or semicircular.

Furthermore, the cooling pipeline is fixed on the hot-blast main body and spills the girl, and the cooling pipeline includes first cooling pipeline, second cooling pipeline and third cooling pipeline, is equipped with first water inlet and first delivery port on the first cooling pipeline.

And a second water inlet and a second water outlet are arranged on the second cooling pipeline, a third water inlet and a third water outlet are arranged on the third cooling pipeline, stabilizing blocks are arranged at the positions where the second water outlet is communicated with the third water inlet and the positions where the first water outlet is communicated with the second water inlet, and control valves for controlling the communication condition are arranged on the stabilizing blocks.

Furthermore, the cooling water tank comprises a cooling tank, a collecting box fixed on the supporting plate is arranged below the cooling tank, and the cooling tank is used for cooling water in the collecting box.

The cooling box is provided with a water supply tank, a connecting pipe is arranged between the water supply tank and the collecting box, and a first one-way control valve and a pressure pump are arranged on the connecting pipe.

Furthermore, the water supply tank is provided with a first water inlet pipe, a second water inlet pipe and a third water inlet pipe which are connected with the water inlet, and the collecting tank is provided with a first water outlet pipe, a second water outlet pipe and a third water outlet pipe which are connected with the water outlet.

Further, the control member includes a first control valve, a second control valve, and a third control valve on the water service tank.

The control member includes a fourth control valve, a fifth control valve and a sixth control valve located on the collection tank.

The utility model has the beneficial effects that:

1. the improved device of the utility model starts the control piece to control the water in the water supply tank to flow into the local position to be cooled for cooling by determining the area of the hot air pipe to be cooled, and can also simultaneously cool;

2. the improved device of the utility model winds around the outside of the hot air pipe body through the cooling pipeline, increases the cooling contact area, achieves uniform cooling and improves the cooling effect of the pipeline on the area surface.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the improved apparatus of the present invention;

FIG. 2 is a schematic view of the improved apparatus of the present invention;

FIG. 3 is a schematic view of a hot air duct according to the present invention;

fig. 4 is a sectional view of a hot blast duct of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 creative effort, shall fall within the protection scope of the present invention.

An improved device for local cooling of a hot air pipeline comprises a base 1, as shown in figure 1, a hot air pipe 2 is arranged on the base 1, a cooling part 3 for local cooling is arranged on the hot air pipe 2, a cooling water tank 4 is arranged on the base 1, and a control part 5 connected with the cooling part 3 is arranged on the cooling water tank 4.

The base 1 comprises a supporting plate 11, as shown in fig. 2, support columns 12 distributed in an array are arranged below the supporting plate 11.

The hot-blast pipe 2 comprises a hot-blast pipe body 21, as shown in fig. 3 and 4, the inside of the hot-blast pipe body 21 is provided with exhaust holes 22 distributed in an array, the hot-blast pipe body 21 is provided with U-shaped ventilation ducts 23 distributed in an array, the hot-blast pipe body 21 is provided with a galvanized pipe 24 for ensuring the pressure and flow of a cooling medium, and the galvanized pipe 24 is connected with an external rubber pipe on an additional air pressure wind or nitrogen gas storage bag.

The cooling part 3 comprises a cooling pipeline wound around the outer side of the hot air pipe body 21, the cooling pipeline is circular or semicircular, the cooling pipeline is fixedly connected with the hot air pipe body 21, the cooling pipeline comprises a first cooling pipeline 31, a second cooling pipeline 32 and a third cooling pipeline 33, a first water inlet 34 and a first water outlet 35 are arranged on the first cooling pipeline 31, a second water inlet 36 and a second water outlet 37 are arranged on the second cooling pipeline 32, a third water inlet 38 and a third water outlet 39 are arranged on the third cooling pipeline 33, stabilizing blocks are arranged at the positions where the second water outlet 37 is communicated with the third water inlet 38 and the positions where the first water outlet 35 is communicated with the second water inlet 36, and a control valve for controlling the communication condition is arranged on each stabilizing block.

The cooling water tank 4 includes a cooling tank 41, a collecting tank 42 fixed to the support plate 11 is provided below the cooling tank 41, the cooling tank 41 is used for cooling water in the collecting tank 42, a water supply tank 43 is provided on the cooling tank 41, a connection pipe 44 is provided between the water supply tank 43 and the collecting tank 42, and a first one-way control valve 45 and a pressure pump 46 are provided on the connection pipe 44.

The water supply tank 43 is provided with a first water inlet pipe 431 connected with the first water inlet 34, a second water inlet pipe 432 connected with the second water inlet 36, and a third water inlet pipe 433 connected with the third water inlet 38, and the collection tank 42 is provided with a first water outlet pipe 421 connected with the first water outlet 35, a second water outlet pipe 422 connected with the second water outlet 37, and a third water outlet pipe 423 connected with the third water outlet 39.

The control part 5 comprises a first control valve 51 for controlling the water inlet of the first water inlet pipe 431, a second control valve 52 for controlling the water inlet of the second water inlet pipe 432, a third control valve 53 for controlling the water inlet of the third water inlet pipe 433, a fourth control valve 54 for controlling the water outlet of the first water outlet pipe 421, a fifth control valve 55 for controlling the water outlet of the second water outlet pipe 422, and a sixth control valve 56 for controlling the water outlet of the third water outlet pipe 423.

During the use, confirm the hot-blast main needs cooling area, the local position that need the refrigerated through the rivers income of control 5 control feed tank 43 cools off, also can cool off simultaneously, and cooling tube winds around the hot-blast main body 21 outside, has increaseed cooling contact area, has reached the cooling evenly, has promoted regional face pipeline cooling effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims (8)

1. The utility model provides an improvement device of hot-blast main local cooling, improves the device and includes base (1), its characterized in that, be equipped with hot-blast main (2) on base (1), be equipped with local refrigerated cooling piece (3) on hot-blast main (2), be equipped with coolant tank (4) on base (1), be equipped with control (5) of being connected with cooling piece (3) on coolant tank (4).

2. An improved device for local cooling of a hot air duct according to claim 1, characterized in that the base (1) comprises a supporting plate (11), and an array of supporting columns (12) is arranged below the supporting plate (11).

3. The improved device for local cooling of hot air duct according to claim 1, wherein said hot air duct (2) comprises a hot air duct body (21), the interior of the hot air duct body (21) is provided with exhaust holes (22) distributed in an array, the hot air duct body (21) is provided with U-shaped ventilation ducts (23) distributed in an array, and the hot air duct body (21) is provided with a galvanized pipe (24) for ensuring the pressure and flow rate of the cooling medium.

4. An improved hot air duct local cooling arrangement according to claim 1, characterized in that said cooling element (3) comprises a cooling duct, the cooling duct being circular or semicircular.

5. The improved device for locally cooling the hot-blast pipe according to claim 4, wherein the cooling pipe is fixed on the hot-blast pipe body (21) and comprises a first cooling pipe (31), a second cooling pipe (32) and a third cooling pipe (33), the first cooling pipe (31) is provided with a first water inlet (34) and a first water outlet (35);

the second cooling pipeline (32) is provided with a second water inlet (36) and a second water outlet (37), the third cooling pipeline (33) is provided with a third water inlet (38) and a third water outlet (39), the position where the second water outlet (37) is communicated with the third water inlet (38) and the position where the first water outlet (35) is communicated with the second water inlet (36) are both provided with a stabilizing block, and the stabilizing block is provided with a control valve for controlling the communication condition.

6. The improved device for local cooling of hot air duct according to claim 2, wherein the cooling water tank (4) comprises a cooling tank (41), a collecting tank (42) fixed on the supporting plate (11) is arranged below the cooling tank (41), the cooling tank (41) is used for cooling the water in the collecting tank (42);

the cooling box (41) is provided with a water supply tank (43), a connecting pipe (44) is arranged between the water supply tank (43) and the collecting box (42), and the connecting pipe (44) is provided with a first one-way control valve (45) and a pressure pump (46).

7. An improved device for local cooling of hot air duct according to claim 6, characterized in that said water supply tank (43) is provided with a first inlet pipe (431), a second inlet pipe (432) and a third inlet pipe (433) connected to the water inlet, and the collection tank (42) is provided with a first outlet pipe (421), a second outlet pipe (422) and a third outlet pipe (423) connected to the water outlet.

8. An improved device for local cooling of a hot blast pipe according to claim 7, wherein said control means (5) comprises a first control valve (51), a second control valve (52) and a third control valve (53) on the water supply tank (43);

the control member (5) comprises a fourth control valve (54), a fifth control valve (55) and a sixth control valve (56) on the collecting tank (42).

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