CN211803732U - A water-air dual-channel spray rack - Google Patents

Abstract

The utility model relates to a water-gas double-channel spray rack. The device includes a tubular water jacket, the tubular water jacket includes an inner tubular body and an outer tubular body, both ends of the inner tubular body and the outer tubular body are sealed by annular end caps, and a gap between the inner tubular body and the outer tubular body is provided. There are spiral fins, the spiral fins divide the gap into spiral cavities connected end to end, the upper end of the outer tubular body is provided with a liquid inlet, the lower end is provided with a liquid outlet, the liquid inlet is connected to one end of the spiral cavity, and the liquid outlet It is connected with the other end of the spiral cavity. Several nozzles are arranged on the inner wall of the inner tubular body, and each nozzle is connected with the spiral cavity. The hydraulic pressure in each nozzle is consistent, and there is no excessive difference between the water flow between the nozzle at the upper end of the inner tubular body and the nozzle at the lower end, which improves the uniformity of spraying and the cooling effect of the parts to be cooled. The device is suitable for industrial production. Strong practicality.

Description

A water-air dual-channel spray rack

technical field

The utility model belongs to the technical field of spray racks, in particular to a water-gas double-channel spray rack.

Background technique

In the existing Chinese patent database, a patent named a double-channel water and gas spray rack for a billet crystallizer is disclosed. 2014.07.09, the patent consists of two annular pipelines, the two annular pipelines are connected by connecting plates, one annular pipeline is provided with a compressed air interface, the other annular pipeline is provided with a cooling water interface, aerosol nozzles The branch pipes are respectively connected with two annular pipelines, and the annular pipelines are stainless steel annular pipelines. Poor cooling effect.

Utility model content

The technical problem to be solved by the utility model is that the pressure distribution in each nozzle on the existing spray rack is uneven, which makes the uniformity of spraying poor. In order to improve its shortcomings, the utility model provides a water vapor Dual channel spray rack.

To achieve the above object, the present invention is achieved through the following technical solutions:

A water and gas dual-channel spray rack, comprising a vertically arranged tubular water jacket, the tubular water jacket comprising an inner tubular body and an outer tubular body coaxially arranged with the inner tubular body, the inner tubular body and the outer tubular body Both ends of the tubular body are sealed by annular end caps, and spiral fins are vertically arranged in the gap between the inner tubular body and the outer tubular body. The upper end of the tubular body is provided with a liquid inlet, and the lower end is provided with a liquid outlet. The liquid inlet is connected to one end of the spiral cavity, and the liquid outlet is connected to the other end of the spiral cavity. A number of nozzles are arranged, each nozzle is connected with the spiral cavity, and each nozzle sprays toward the central axis of the tubular water jacket.

When the utility model works, the liquid enters the gap between the inner tubular body and the outer tubular body through the liquid inlet of the outer tubular body of the tubular water jacket, and the spiral fins between the inner tubular body and the outer tubular body divide the gap into head and tail Connected closed spiral cavity, the spiral cavity makes the liquid flow in a single direction, and forms a spiral circulation flow, each nozzle on the inner tubular inner wall is connected with the spiral cavity, the flow in the spiral cavity The liquid is sprayed toward the central axis of the tubular water jacket through each nozzle, and sprayed on the surface of the parts to be cooled.

Compared with the prior art, the beneficial effect of the present utility model is: due to the arrangement of the spiral fins between the inner tubular body and the outer tubular body, the gap between the inner tubular body and the outer tubular body is divided into spiral cavities which are connected end to end. When the liquid flows in the spiral cavity, it can not only prolong the time for the liquid to flow in the spray rack, improve the cooling time, but also make the hydraulic pressure in each nozzle consistent, and there will be no nozzles at the upper end of the inner tubular body and nozzles at the lower end. The difference of water flow is too large, which improves the uniformity of spraying and the cooling effect of the parts to be cooled. The device is suitable for industrial production and has strong practicability.

An annular lower air curtain coaxial with the inner tubular body is arranged on the inner wall of the lower end of the inner tubular body. The air holes of the annular lower air curtain are inclined upward, and each air hole is sprayed toward the central axis of the tubular water jacket to form a conical sealing surface. The arrangement of the annular lower air curtain makes the liquid sprayed from the nozzle at the lower end of the inner tubular body stay longer in the tubular water jacket, prolongs the contact time between the liquid and the surface of the part to be cooled, and improves the cooling effect.

An annular upper air curtain coaxial with the inner tubular body is arranged on the inner wall of the upper end of the inner tubular body. The air holes of the annular upper air curtain are inclined downward, and each air hole is sprayed toward the central axis of the tubular water jacket to form a conical sealing surface. The arrangement of the annular upper air curtain makes the liquid sprayed from the nozzle at the upper end of the inner tubular body stay longer in the tubular water jacket, prolongs the contact time between the liquid and the surface of the part to be cooled, and improves the cooling effect.

It also includes an annular base coaxially arranged with the tubular water jacket, and the tubular water jacket is arranged on the annular base. The arrangement of the annular base makes the tubular water jacket more stable when placed.

The tubular water jacket is fixed on the annular base via screws.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

In the picture: 1 tubular water jacket, 101 inner tubular body, 102 outer tubular body, 2 annular end cap, 3 spiral fins, 4 spiral cavity, 5 liquid inlet, 6 liquid outlet, 7 nozzle, 8 annular lower air curtain , 9 annular upper air curtain, 10 conical sealing surface, 11 annular base.

Detailed ways

The technical solutions of the present application will be further described below with reference to the accompanying drawings and embodiments.

As shown in FIG. 1 , it is a water-gas dual-channel spray rack, which includes a vertical tubular water jacket 1 . The tubular water jacket 1 includes an inner tubular body 101 and an outer tubular body 101 coaxially arranged. Body 102, both ends of inner tubular body 101 and outer tubular body 102 are sealed by annular end caps 2, and spiral fins 3 are vertically arranged in the gap between inner tubular body 101 and outer tubular body 102. The gap is divided into a spiral cavity 4 connected end to end, the upper end of the outer tubular body 102 is provided with a liquid inlet 5, the lower end is provided with a liquid outlet 6, the liquid inlet 5 is connected to one end of the spiral cavity 4, and the liquid outlet 6 is connected to the spiral cavity 4. The other end of the cavity 4 is connected, and several nozzles 7 are arranged on the inner wall of the inner tubular body 101 , each nozzle 7 is connected to the spiral cavity 4 , and each nozzle 7 sprays toward the central axis of the tubular water jacket 1 . An annular lower air curtain 8 coaxial with the inner tubular body 101 is disposed on the inner wall of the lower end of the inner tubular body 101 . The air holes of the annular lower air curtain 8 are inclined upward, and each air hole is sprayed toward the central axis of the tubular water jacket 1 to form a conical sealing surface 10 . The arrangement of the annular lower air curtain 8 makes the liquid sprayed from the nozzle 7 at the lower end of the inner tubular body 101 stay in the tubular water jacket 1 for a longer time, prolonging the contact time between the liquid and the surface of the part to be cooled, and improving the cooling effect. The inner wall of the upper end of the inner tubular body 101 is provided with an annular upper air curtain 9 that is coaxial with the inner tubular body 101. Each air hole of the annular upper air curtain 9 is arranged obliquely downward, and each air hole is sprayed toward the central axis of the tubular water jacket 1 to form a conical sealing surface 10. . The arrangement of the annular upper air curtain 9 makes the liquid sprayed from the nozzle 7 at the upper end of the inner tubular body 101 stay in the tubular water jacket 1 for a longer time, prolonging the contact time between the liquid and the surface of the part to be cooled, and improving the cooling effect. It also includes an annular base 11 coaxially arranged with the tubular water jacket 1 , and the tubular water jacket 1 is arranged on the annular base 11 . The arrangement of the annular base 11 makes the tubular water jacket 1 more stable when placed. The tubular water jacket 1 is fixed on the annular base 11 by screws.

During operation, the liquid enters the gap between the inner tubular body 101 and the outer tubular body 102 through the liquid inlet 5 of the outer tubular body 102 of the tubular water jacket 1, and the spiral fins 3 between the inner tubular body 101 and the outer tubular body 102 The gap is divided into closed helical chambers 4 that are connected end to end. The helical chamber 4 makes the liquid flow in a single direction and flows in a spiral circulation manner. Each nozzle 7 on the inner wall of the inner tubular body 101 is connected to the helical chamber. The body 4 is connected, and the flowing liquid in the spiral cavity 4 is sprayed toward the central axis of the tubular water jacket 1 through each nozzle 7, and sprayed on the surface of the part to be cooled.

The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some technical features according to the disclosed technical content without creative work. Replacement and deformation, these replacements and deformations are within the protection scope of the present invention.

Claims (5)

1. A water-gas dual-channel spray rack is characterized in that: it comprises a vertical tubular water jacket, and the tubular water jacket comprises an inner tubular body and an outer tubular body arranged coaxially with the inner tubular body, so that the Both ends of the inner tubular body and the outer tubular body are sealed by annular end caps, and spiral fins are vertically arranged in the gap between the inner tubular body and the outer tubular body, and the spiral fins divide the gap into spiral fins that are connected end to end. Cavity, the upper end of the outer tubular body is provided with a liquid inlet, and the lower end is provided with a liquid outlet, the liquid inlet is connected to one end of the spiral cavity, and the liquid outlet is connected to the other end of the spiral cavity, so Several nozzles are arranged on the inner wall of the inner tubular shape, each nozzle is connected with the spiral cavity, and each nozzle sprays toward the central axis of the tubular water jacket. 2 . The water-gas dual-channel spray rack according to claim 1 , wherein the inner wall of the lower end of the inner tubular body is provided with an annular lower air curtain that is coaxial with the inner tubular body, and each air hole of the annular lower air curtain is inclined. 3 . Set upward, each air hole is sprayed toward the central axis of the tubular water jacket to form a conical sealing surface. 3. A water-gas dual-channel spray rack according to claim 2, characterized in that: an annular upper air curtain coaxial with the inner tubular body is arranged on the inner wall of the upper end of the inner tubular body, and each air hole of the annular upper air curtain is inclined Set downward, each air hole is sprayed toward the central axis of the tubular water jacket to form a conical sealing surface. 4. A water-gas dual-channel spray rack according to any one of claims 1-3, characterized in that: further comprising an annular base coaxially arranged with a tubular water jacket, the tubular water jacket Set on a ring base. 5 . The water-gas dual-channel spray rack according to claim 4 , wherein the tubular water jacket is fixed on the annular base by screws. 6 .

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